libass-0.17.1/0000755060175106017510000000000014376701522010103 500000000000000libass-0.17.1/aclocal.m40000644060175106017510000015554414376701460011702 00000000000000# generated automatically by aclocal 1.16.5 -*- Autoconf -*- # Copyright (C) 1996-2021 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],, [m4_warning([this file was generated for autoconf 2.71. 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See the GNU dnl General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA dnl 02111-1307, USA. dnl dnl As a special exception to the GNU General Public License, if you dnl distribute this file as part of a program that contains a dnl configuration script generated by Autoconf, you may include it under dnl the same distribution terms that you use for the rest of that dnl program. dnl PKG_PREREQ(MIN-VERSION) dnl ----------------------- dnl Since: 0.29 dnl dnl Verify that the version of the pkg-config macros are at least dnl MIN-VERSION. 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For the feature to be available at runtime, libass must be linked against the new optional dependency libunibreak. * Improve VSFilter compatibility: * Fix premature truncation of animated alphas (was a 0.15.0 regression) * Fix handling of small delay parameters for legacy SSA Effects * Fix x-scaling with PlayResX * Fix x-scaling for anamorphic video (except for \be whose scaling remains buggy in general) * Support SSA's AlphaLevel style field * Support the \kt override tag from VSFilter's v4++ set * Parse ScriptType headers * Parse integer header, style and event field values like VSFilter * Ignore trailing whitespace in an event's text libass (0.16.0) * Fix missing `-framework` options in libass.pc on macOS * Fix missing GDI or DirectWrite options in libass.pc on Win32 * Fix crashes with fonts missing Postscript names and without one being synthesised by the font provider * Fix crashes on negative fontsizes and some overflows * Fix a rare memory leak introduced in 0.13.0 * Fix minimum dependency versions in configure and our pc-file * Fix our public headers for use with GCC versions between 3.1.0 and 4.5.0 (was a regression introduced in 0.15.0) * x86: Fix potential buffer over-read by 16 bytes with AVX2 assembly when large tiles are not enabled (the default) * x86: Fix PIC flags not being interpreted by the assembler, breaking the asm-enabled build setup on NetBSD and OpenBSD. On 32-bit x86, if the toolchain requires PIC objects and relies on compiler defaults to get PIC implicitly, you need to pass `--with-pic` to configure to ensure NASM always produces PIC objects * x86: Fix AVX support not being detected on non-Intel CPUs and some VMs * x86: Fix CPUID being used on CPUs not supporting the instruction (<= i486) and the way it is used for CPUs with less than 7 CPUID-leafs which could lead to crashes due to illegal instructions * MS Windows-only issue: Fix crashes with FreeType >= 2.11.1 on Win32 when rendering strikethrough or underline * Improve `\iclip` quality * Improve quality of very small outlines * Switch to wyhash for much better cache performance * Propagate ZWJ/ZWNJ effects across glyph run boundaries * Do not depend on compiler-specific defines to actually use built assembly * Expand documentation and fix mistakes in it * configure now errors out if an explicitly requested feature is unavailable * MS Windows-only issue: ease linking against static/shared GNU FriBidi * Add ASS_FEATURE_WHOLE_TEXT_LAYOUT to apply bidi, shaping and \fay to the entire unsplit event text. The non-portable `Encoding=-1` mode always behaves as if the feature were enabled * MS Windows-only issue: add support for arbitrary Unicode paths; see documentation of related functions for details * Improve VSFilter compatibility * Do not treat format lines using `Actor` in place of `Name` as custom format lines. The former is used by VSFilter itself, the latter by Aegisub * Run bidi and shaping on each glyph run separately by default * Match VSFilter's \fsp effects on bidi and shaping * Match VSFilter's \fay behaviour * Support non-Unicode font cmaps when Win32 API or iconv is available and can convert to the relevant encoding * Treat empty clip outlines as if everything was outside the clip not inside (was a 0.14.0 regression) * Parse integer parameters of override tags more like VSFilter libass (0.15.2) * Fix some known 0.15.x regressions: * Fix Core Text font fallback failing on some fonts with multiple names * Fix DirectWrite failing to look up any but the first loaded variant of system fonts * Fix some format string bugs, which could lead to garbled log messages or on some platforms crashes * Fix ass_set_fonts_dir failing to load long paths * Better handling of control characters that have no associated font glyphs * DirectWrite: font lookup is now closer to VSFilter * DirectWrite: this font provider can now be built for UWP libass (0.15.1) * Fix currently known 0.15.0 regressions: * Fix crashing on some ASS files with embedded fonts * Fix total font fallback failure with some fonts on Core Text * Fix embedded and memory fonts not actually being used unless ass_set_fonts was called after they have been added * Fix events assuming the largest xbord-value of a preceding event of the same frame during collision handling * Fix \fscx0 and \fscy0 making more text disappear than they should * Fix shift in vertical positioning of some right-to-left events with \an4-6, \pos, \move or Scroll effects * Fix imprecise output for \be with huge argument * Fix the --enable-large-tiles configure switch doing nothing * Fix output of ASM-enabled builds deviating from non-ASM builds * Fix ASM-builds on Haiku and 32-bit *BSDs * Overhaul x86 assembly for better performance and to allow ASM-enabled PIC-builds on 32-bit * Reduce temporary allocation in rendering * DirectWrite: request fonts on demand for better performance and improved compatibility with external on-demand font activation * Log libass version numbers upon renderer startup * Accept pointers to const as arguments to ass_add_font * Improve VSFilter compatibility: * Disregard zero area events in collision handling * Do not apply \fsp to vector drawings * Fix bug preventing cutting out glyphs from border & shadow with abnormal \fad values (or causing aliasing artifacts in some cases with normal values) libass (0.15.0) * Fix backwards/VSFilter-incompatible font sizes with FreeType 2.10+ * Improve speed via better caching * Require HarfBuzz unconditionally to ensure good shaping for complex scripts * ass_set_use_margins(true) now simply places text on the whole screen instead of attempting to tie it to video positioning (set by the margin values) and failing in various ways when margins are used to implement pan & scan in a video player * Add ass_track_set_feature() & catch-all ASS_FEATURE_INCOMPATIBLE_EXTENSIONS * Add ASS_FEATURE_BIDI_BRACKETS to enable Unicode 6.3+ bracket matching when applying the Unicode Bidirectional Algorithm (incompatible with VSFilter; requires libass built with FriBidi 1.0+) * Fix stack overflow on deeply nested \t tags * Fix positioning of events with leading line breaks * Fix small but nonzero \bord becoming \bord0 (regression in 0.14.0) * Measure BorderStyle=4 box padding from glyph border, not from glyph fill * Scale everything from script resolution if storage size is not set (including borders and shadows regardless of ScaledBorderAndShadow) * Fix the default aspect ratio calculation when neither ass_set_pixel_aspect() nor ass_set_aspect_ratio() is called * Multiple fixes for karaoke override tags * Handle memory allocation failures better: avoid some crashes and produce images closer to truth * Avoid some integer overflows * Add internal infrastructure for regression testing * Improve VSFilter compatibility: * Treat invalid nested \t tags like VSFilter * Make \t(T,T,...) at time exactly T use the post-transition values * Make lines stack more like they do in VSFilter * Default ScaledBorderAndShadow to 0 (like VSFilter), except for subtitles that were produced by old FFmpeg/Libav * Make shadow positioning with 3D transforms match VSFilter's * Cut out glyphs from border & shadow in all the same cases as VSFilter * Match VSFilter on animated color tags with negative acceleration * Fix parsing of some files that VSFilter accepts but libass didn't by ignoring leading whitespace in each line of an ASS file or CodecPrivate * Improve font selection with CoreText * Stop faux-bolding fonts that are too bold to get faux bold in VSFilter * Ignore leading/trailing spaces when calculating height of nonblank lines * Match VSFilter on \fade with large alpha value arguments * Stop splitting bitmaps on font substitution * Multiple fixes for Banner and Scroll effects * Multiple fixes for karaoke override tags libass (0.14.0) * Brand new, faster and better outline stroker (replaces FreeType stroker) * Remove option to use the FreeType rasterizer * Fix spots of missing border around self-intersecting shapes * Switch from Yasm to NASM for building hand-written assembler code * Support Core Text font provider on Mac OS X 10.6 and 10.7 * Clear font cache in ass_set_fonts(). This fixes potentially incorrect font choices and an occasional crash if this function is called midway through rendering a file. libass (0.13.7) * Fix invalid memory accesses with BorderStyle=4 * Fix change detection bug on frame resizes * Fix cache bugs with border size * Reduce precision of border width in font outline caching * Don't treat :;<=>? as hexadecimal digits in color headers * Fix parsing of unusual Alignment values in ASS style definitions * Fix potential truncation in timestamp parsing * Treat negative PlayResX/PlayResY like VSFilter * Fixes to parsing of embedded fonts * Remove arbitrary bitmap limit (fixes issues with subtitle rendering at 4K) * Allow using shadow offset to adjust size of background with BorderStyle=4 * Fix TrueType/OpenType font collection handling with the DirectWrite backend libass (0.13.6) * Bump ABI version to account for the new Justify field in ASS_Style that was added in 0.13.5. libass (0.13.5) * Add Justify style override that changes text justification (left/right/center) without affecting event positioning. * Fix ass_set_cache_limits() to affect total bitmap cache size including composite bitmap cache. * Number parsing fixes * Fix illegal read when parsing some numbers in scientific notation with huge exponents. * Correctly evaluate numbers in scientific notation with large exponents. * Correctly evaluate numbers with many leading zeros. * Bug fixes found with fuzzing * Fix a small memory leak in the parser. * Fix illegal read in the parser on specially crafted input with \t tags. libass (0.13.4) * Bug fixes found with fuzzing * Fix memory reallocation in the shaper. (CVE-2016-7972) * Fix two small memory leaks in the parser and test program. * Fix illegal read in Gaussian blur coefficient calculations. (CVE-2016-7970) * Fix mode 0/3 line wrapping equalization in specific cases which could result in illegal reads while laying out and shaping text. (CVE-2016-7969) libass (0.13.3) * Improve compatibility/portablility of build system, should fix e.g. compilation on Solaris. * Fix memory leak in DirectWrite font provider. * Fix the rasterizer when rendering some large outlines. * Remove hack that forced RTL base direction depending on font encoding. * Greatly improve the internal caches with refcounting and gradual clearing. libass (0.13.2) * Add ass_set_check_readorder() API function to disable use of the ReadOrder field for duplicate checking in ass_process_chunk(). * ass_step_sub(track, now, 0) now finds the start of the subtitle at "now". * Bug fixes * Fix an issue with the new duplicate checking, which could lead to missing subtitles after seeking. * Fix a crash with CoreText under specific circumstances libass (0.13.1) * Much faster duplicate event check in ass_process_chunk. This can bring a large speedup for embedded subtitles with lots of events. To make this possible, it is now forbidden to combine calls to ass_process_chunk with any other method of manipulating the event list, namely, manual manipulation and calls to ass_process_data, ass_read_memory and ass_read_file. * Interpret negative timestamp components as actual negative numbers. This change increases compatibility with VSFilter. * Font matching changes for VSFilter compatibility * Look up fonts that contain PostScript outlines by their PostScript name instead of their full names. Family names continue to be used for all fonts. * Keep spaces in font names * Drop support for Fontconfig < 2.10.92 to ensure correct font matching * Bug fixes * Fix building the assembler code for the x32 ABI (GH #200) * Fix static linking against libass through pkg-config when libass uses libiconv * Fix some small memory leaks, potential crashes and bad data uses libass (0.13.0) * Add native font selection backends for OSX (CoreText) and Windows (DirectWrite). You can now run libass without fontconfig on these platforms. This fixes problems with fontconfig behaving badly on these platforms (it could take minutes to scan all system fonts). Even on Linux, this speeds up loading of embedded fonts (such as provided by ass_add_font()). The DirectWrite backend only works on Windows Vista and later. On XP, fontconfig is still needed. libass can be compiled with both DirectWrite and fontconfig, and then it will fallback to fontconfig automatically if DirectWrite is not available at runtime. * Add ass_get_available_font_providers() API function. * Change the 4th parameter of ass_set_fonts(). This now selects the font provider. This is somewhat backwards compatible with the old behavior, but if you ever passed values other than 0 or 1, your application might break with this libass release. * The ass_fonts_update() function now does nothing. It's kept for backward compatibility only. * Much faster gaussian blur. This can bring a large speedup with big blurred signs and such. * Drop ENCA support * Bug fixes * Fix compilation of the freetype rasterizer (disabled by default) * Fix rendering with some cases of consecutive line breaks (\N\N). * Fix some memory allocation failure checks * Avoid system locale dependent behavior by reinventing some standard C functions * Fix rendering errors with strikes (GH #193) * MSVC compilation fixes libass (0.12.3) * VSFilter blur compatibility changes * VSFilter color/alpha parsing compatibility changes * Bugfixes * Fix some potential memory leaks and crashes * Fix large timestamps (larger than about 600 hours) * Fix a potential crash with the new rasterizer and complex fonts * Do not apply user-configured line position to non-dialog events * Strictly clip non-dialog events to the video rectangle libass (0.12.2) * Add extern "C" guards to the public headers for C++ compatibility * Improvements to style override API and implementation * Bugfixes * Fix some rasterizer bugs of unknown severity * Fix a broken memset() of unknown severity * Make timestamp parsing more lenient, which makes libass accept invalid files accepted by most other ASS parsers * Increase compatibility with broken ASS drawings accepted by VSFilter libass (0.12.1) * Make ASS drawings with an extremely high number of control points work This change increases compatibility with VSFilter. * Bugfixes * Fix a crash when using newer harfbuzz versions (GH #155) * Load embedded memory fonts correctly * Large shadow offsets rendered incorrectly (GH #142) * Fix incorrect closing of last drawing contour * Fix issues with undefined behavior in shifts * Lots of of malloc() error checking libass (0.12.0) * Implement fast quad-tree rasterizer in C and SSE2/AVX2 assembly * Make \be animatable * Add BorderStyle=4 (GH #105) * Add selective style override functionality * ass_set_selective_style_override() * ass_set_selective_style_override_enabled() * Support for assembly on DragonFly BSD * Bugfixes * Various parser fixes * Fix premature parser exit on }{ in drawing mode (GH #75) * Reset clipping mode on every rectangle clip * Improved error handling for FriBidi and FreeType (GH #131) * Fix bitmap combining cache libass (0.11.2) * Improve yasm version check * Fix \fscx0 crashes * Actually export ass_library_version * Fix change detection with vector clips * SIMD assembly bugfixes * Parse drawing numbers as floats (GH #63) * Fix shaper sign bug (GH #68) * Initialize \pbo correctly (GH #74) libass (0.11.1) * Fix distfile generation * No functional changes libass (0.11.0) * Add bitmap run combining/compositing This changes the text rendering model and increases compatibility with VSFilter. It may make rendering faster or slower in certain cases. * Add AVX/SSE2 implementations for \be and compositing This adds yasm as (optional) build dependency. * Add ass_library_version() API funcion (GC #113) * Add 'profile' program for benchmarks * Improve gaussian blur * Fix compilation with MSVC 2013 * Speed up HarfBuzz shaper * Speed up cache * Notable compatibility bugfixes * Reset origin on \fay changes (GC #88) * Tons of parser fixes * Fix ascender/descender metrics (GH #8) * Fix \pbo sign and scaling * Don't reset wrap style on \r (GC #116, GH #45) * Notable bugfixes: * Correctly handle @font advance (GC #94) * Disable ligatures for non-zero \fsp * Make sure to release vector clip (GH #22) libass (0.10.2) * API additions and some ABI changes, bumped SONAME * Expose header field for VSFilter color mangling (GC #87) * Add functions for explicit scaling hints (GC #6) * Add 'type' field to ASS_Image (GC #31) * Workaround Freetype's font size grid-fitting where appropriate * Apply blur to both glyph and border when using opaque box * Parser bugfixes * Parse angles in style as number * Fix fallback event formats * Make closing ')' optional for some tags * Fix crazy VSFilter behaviour for \move (GC #90) * Make \r fall back to line style (GC #104) * Parse style name like VSFilter * Ignore junk in nested \t tags * Make \clip tag arguments mandatory * Properly handle script and language in the HarfBuzz shaper * Allow ASS_Track and ASS_Renderer to have different ASS_Library * Fix stroking in some rare cases * Correctly handle @font advance (GC #94) * Fix ascent/descent for some fonts (GC #106) * Fix ass_step_sub to not require sorted events * Fix blur scaling * Don't mutate input strings (GC #88) * Remove/change some error messages * Fix various small memory leaks libass (0.10.1) * Fix letter spacing * Add \rSTYLENAME syntax support (GC #43) * Fix border generation and border style reset (GC #56) * Fix various issues with bug-for-bug compatibility of transformations (\fax, \fay, etc.) to VSFilter (GC #46, GC #42) * Fix drawing parsing (GC #47) * Various fixes to shaper (GC #54, GC #55, GC#59) * Fix change detection * Add ass_set_line_position API to set a vertical subtitle offset * Fix scaling of drawing baseline offset (\pbo) values * Fix skipping of zero-width characters for FriBiDi shaper * Use LTR text base direction by default, similar to VSFilter libass (0.10.0) * Bidirectional layout and Arabic shaping via FriBidi (GC #13) * OpenType shaping via HarfBuzz-ng (GC #13) * Add API for shaper configuration * Add support for `Language' Script Info property, this can be used for hinting the text language * Vertical layout improvements * Use `vert' and `vkna' OpenType features for vertical glyph variants * Position rotated glyphs onto baseline * Parse font encoding property for base text direction hinting * Refactor cache system * Use generic outlines in place of FreeType glyphs * Direct outline bitmap rendering * Fix whitespace trimming (GC #35) * Do not render border if there's no shadow or glyph (GC #29) * Adjust spacing after a italic to non-italic style change (GC #37) * Fix fade timing * Fix x positioning with borders (GC #27) * Build system tweaks libass (0.9.12) * Switch to permissive (ISC) license * Support \fs+ and \fs- syntax for modifying font size * Fix word-wrapping * Improved charmap fallback matching * Handle a few more VSFilter quirks correctly * Add a sensible default style * Fix compilation against libpng 1.5 libass (0.9.11) * Fix serious memory leaks * Reduce frame/drawing initialization overhead libass (0.9.10) * Basic (incorrect, but working) support for @font vertical text layout * Fix multiple faces per font attachment * charmap selection fixes * Add ass_flush_events API function * Improve fullname font matching * Better PAR correction if text transforms are used * Calculate drawing bounding box like VSFilter * Performance improvements * Cache vector clip masks * Avoid unnecessary glyph copies * Various rendering fixes libass (0.9.9) * Parse numbers in a locale-independent way * Remove support for freetype < 2.2.1, fontconfig < 2.4.1; this especially means libass will not extract fonts into the file system anymore * Disable script file size limit * Match fonts against the full name ("name for humans") * Reset clip mode after \iclip * Improve VSFilter compatibility * Update API documentation * A couple of smaller fixes and cleanups libass (0.9.8) * Support \q override tag * Support wrap style 1 (i.e. wrap, but do not equalize line lengths) * Support border style 3 (opaque box) * Use the event bounding box (instead of vertical position and height) for collision detection * Embold glyphs if no bold variant is available, but was requested * Modify \fax to be similar to VSFilter * Trim spaces after line wrapping * Fix border/shadow overlap combining in some cases * Disable kerning by default. Use "Kerning=yes" style override or "Kerning: yes" in [Script Info] to enable it * Slight bitmap handling optimizations * Various bugfixes libass (0.9.7) * Build system fixes * Fixed cache lookup and overload problems * All globals have been eliminated, libass is reentrant * Dynamically allocate glyph and line buffers * Fix up stroking of big borders * Support empty lines (\N\N) * Support for the following override tags: \fax, \fay, \xshad, \yshad, \ybord, \xbord, \iclip, \u, \s, \p, \pbo * Full subpixel accuracy for positioning * PAR and rotation correction for EOSD rendering * Drawing mode (including vector \clip and \iclip) * Fixed a few memory leaks * Removed MPlayer compatibility code * Introduced message handling callback * Various fixes to match VSFilter quirks and Windows font metrics * Lots of bugfixes LibASS (0.9.6) * Various fixes and updates to match VSFilter renderer. * Support \blur tag and ScaledBordersAndShadow property. * Fractional arguments and subpixel accuracy. * Keep positions when pan-and-scan is used. * Lots of bugfixes and other changes. LibASS (0.9.5) * Support '=' and '.' in style name in arguments to ass_set_style_overrides(). * Allow overriding [Script Info] parameters with ass_set_style_overrides(). * Add workarounds for some buggy fonts. * Remove buggy workarounds for some other fonts. * Fixed ass_set_line_spacing() (was broken before). * Negative margin sizes are now used for image cropping. * Better handling of behind-the-camera objects. * Case insensitive parsing of SSA/ASS section headers. * Improved font matching. * When 2 styles have the same name, the later one is used. * Fixed several other bugs. libass-0.17.1/compare/0000755060175106017510000000000014376701522011531 500000000000000libass-0.17.1/compare/compare.c0000644060175106017510000004744614371314501013252 00000000000000/* * Copyright (C) 2017 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "image.h" #include "../libass/ass.h" #include #include #include #include #if defined(_WIN32) && !defined(__CYGWIN__) #include #define mkdir(path, mode) _mkdir(path) #endif #define FFMAX(a,b) ((a) > (b) ? (a) : (b)) #define FFMIN(a,b) ((a) > (b) ? (b) : (a)) static void blend_image(Image8 *frame, int32_t x0, int32_t y0, const ASS_Image *img) { int32_t x1 = img->dst_x, x_min = FFMAX(x0, x1); int32_t y1 = img->dst_y, y_min = FFMAX(y0, y1); x0 = x_min - x0; x1 = x_min - x1; y0 = y_min - y0; y1 = y_min - y1; int32_t w = FFMIN(x0 + frame->width, x1 + img->w); int32_t h = FFMIN(y0 + frame->height, y1 + img->h); if (w <= 0 || h <= 0) return; uint8_t r = img->color >> 24; uint8_t g = img->color >> 16; uint8_t b = img->color >> 8; uint8_t a = img->color >> 0; int32_t mul = 129 * (255 - a); const int32_t offs = (int32_t) 1 << 22; int32_t stride = 4 * frame->width; uint8_t *dst = frame->buffer + y0 * stride + 4 * x0; const uint8_t *src = img->bitmap + y1 * img->stride + x1; for (int32_t y = 0; y < h; y++) { for (int32_t x = 0; x < w; x++) { int32_t k = src[x] * mul; dst[4 * x + 0] -= ((dst[4 * x + 0] - r) * k + offs) >> 23; dst[4 * x + 1] -= ((dst[4 * x + 1] - g) * k + offs) >> 23; dst[4 * x + 2] -= ((dst[4 * x + 2] - b) * k + offs) >> 23; dst[4 * x + 3] -= ((dst[4 * x + 3] - 0) * k + offs) >> 23; } dst += stride; src += img->stride; } } static void blend_all(Image8 *frame, int32_t x0, int32_t y0, const ASS_Image *img) { uint8_t *dst = frame->buffer; size_t size = (size_t) frame->width * frame->height; for (size_t i = 0; i < size; i++) { dst[0] = dst[1] = dst[2] = 0; dst[3] = 255; dst += 4; } for (; img; img = img->next) blend_image(frame, x0, y0, img); } inline static uint16_t abs_diff(uint16_t a, uint16_t b) { return a > b ? a - b : b - a; } inline static uint16_t abs_diff4(const uint16_t a[4], const uint16_t b[4]) { uint16_t res = 0; for (int k = 0; k < 4; k++) { uint16_t diff = abs_diff(a[k], b[k]); res = FFMAX(res, diff); } return res; } // Calculate error visibility scale according to formula: // max_pixel_value / 255 + max(max_side_gradient / 4, max_diagonal_gradient / 8). static void calc_grad(const Image16 *target, uint16_t *grad) { const int base = 257; const int border = base + 65535 / 4; int32_t w = target->width; int32_t h = target->height; int32_t stride = 4 * target->width; for (int32_t x = 0; x < w; x++) *grad++ = border; const uint16_t *tg = target->buffer + stride + 4; for (int32_t y = 1; y < h - 1; y++) { *grad++ = border; for (int32_t x = 1; x < w - 1; x++) { uint16_t g[8]; g[0] = abs_diff4(tg, tg - 4) / 4; g[1] = abs_diff4(tg, tg + 4) / 4; g[2] = abs_diff4(tg, tg - stride) / 4; g[3] = abs_diff4(tg, tg + stride) / 4; g[4] = abs_diff4(tg, tg - stride - 4) / 8; g[5] = abs_diff4(tg, tg - stride + 4) / 8; g[6] = abs_diff4(tg, tg + stride - 4) / 8; g[7] = abs_diff4(tg, tg + stride + 4) / 8; uint16_t gg = g[0]; for (int k = 1; k < 8; k++) gg = FFMAX(gg, g[k]); *grad++ = base + gg; tg += 4; } *grad++ = border; tg += 8; } for (int32_t x = 0; x < w; x++) *grad++ = border; } static int compare1(const Image16 *target, const uint16_t *grad, const ASS_Image *img, const char *path, double *result) { Image8 frame; frame.width = target->width; frame.height = target->height; size_t size = (size_t) frame.width * frame.height; frame.buffer = malloc(4 * size); if (!frame.buffer) return 0; blend_all(&frame, 0, 0, img); double max_err = 0; const uint8_t *ptr = frame.buffer; const uint16_t *tg = target->buffer; for (size_t i = 0; i < size; i++) { uint16_t cmp[4]; for (int k = 0; k < 4; k++) cmp[k] = 257u * ptr[k]; double err = (double) abs_diff4(cmp, tg) / *grad++; if (max_err < err) max_err = err; ptr += 4; tg += 4; } int flag = path && !write_png8(path, &frame) ? -1 : 1; free(frame.buffer); *result = max_err; return flag; } static int compare(const Image16 *target, const uint16_t *grad, const ASS_Image *img, const char *path, double *result, int scale_x, int scale_y) { if (scale_x == 1 && scale_y == 1) return compare1(target, grad, img, path, result); int scale_area = scale_x * scale_y; Image16 frame; frame.width = target->width; frame.height = target->height; size_t size = (size_t) frame.width * frame.height; frame.buffer = malloc(8 * size); if (!frame.buffer) return 0; Image8 temp; temp.width = scale_x * target->width; temp.height = scale_y * target->height; temp.buffer = malloc(4 * scale_area * size); if (!temp.buffer) { free(frame.buffer); return 0; } blend_all(&temp, 0, 0, img); uint16_t *dst = frame.buffer; const uint8_t *src = temp.buffer; int32_t stride = 4 * temp.width; const uint32_t offs = ((uint32_t) 1 << 19) - 1; uint32_t mul = ((uint32_t) 257 << 20) / scale_area; for (int32_t y = 0; y < frame.height; y++) { for (int32_t x = 0; x < frame.width; x++) { uint16_t res[4] = {0}; const uint8_t *ptr = src; for (int i = 0; i < scale_y; i++) { for (int j = 0; j < scale_x; j++) for (int k = 0; k < 4; k++) res[k] += ptr[4 * j + k]; ptr += stride; } for (int k = 0; k < 4; k++) // equivalent to (257 * res[k] + (scale_area - 1) / 2) / scale_area; *dst++ = (res[k] * (uint64_t) mul + offs) >> 20; src += 4 * scale_x; } src += (scale_y - 1) * stride; } free(temp.buffer); double max_err = 0; const uint16_t *ptr = frame.buffer; const uint16_t *tg = target->buffer; for (size_t i = 0; i < size; i++) { double err = (double) abs_diff4(ptr, tg) / *grad++; if (max_err < err) max_err = err; ptr += 4; tg += 4; } int flag = path && !write_png16(path, &frame) ? -1 : 1; free(frame.buffer); *result = max_err; return flag; } static bool load_font(ASS_Library *lib, const char *dir, const char *file) { char path[4096]; snprintf(path, sizeof(path), "%s/%s", dir, file); FILE *fp = fopen(path, "rb"); if (!fp) return false; if (fseek(fp, 0, SEEK_END) == -1) { fclose(fp); return false; } long size = ftell(fp); if (size <= 0 || size > (1l << 30)) { fclose(fp); return false; } rewind(fp); char *buf = malloc(size); if (!buf) { fclose(fp); return false; } long pos = 0; while (pos < size) { size_t n = fread(buf + pos, 1, size - pos, fp); if (!n) { free(buf); fclose(fp); return false; } pos += n; } fclose(fp); printf("Loading font '%s'.\n", file); ass_add_font(lib, file, buf, size); free(buf); return true; } static ASS_Track *load_track(ASS_Library *lib, const char *dir, const char *file) { char path[4096]; snprintf(path, sizeof(path), "%s/%s", dir, file); ASS_Track *track = ass_read_file(lib, path, NULL); if (!track) { printf("Cannot load subtitle file '%s'!\n", file); return NULL; } printf("Processing '%s':\n", file); return track; } static bool out_of_memory(void) { printf("Not enough memory!\n"); return false; } typedef enum { R_SAME, R_GOOD, R_BAD, R_FAIL, R_ERROR } Result; static const char *result_text[R_ERROR] = { "SAME", "GOOD", "BAD", "FAIL" }; Result classify_result(double error) { if (error == 0) return R_SAME; else if (error < 2) return R_GOOD; else if (error < 4) return R_BAD; else return R_FAIL; } static Result process_image(ASS_Renderer *renderer, ASS_Track *track, const char *input, const char *output, const char *file, int64_t time, int scale_x, int scale_y) { uint64_t tm = time; unsigned msec = tm % 1000; tm /= 1000; unsigned sec = tm % 60; tm /= 60; unsigned min = tm % 60; tm /= 60; printf(" Time %u:%02u:%02u.%03u - ", (unsigned) tm, min, sec, msec); char path[4096]; snprintf(path, sizeof(path), "%s/%s", input, file); Image16 target; if (!read_png(path, &target)) { printf("PNG reading failed!\n"); return R_ERROR; } uint16_t *grad = malloc(2 * target.width * target.height); if (!grad) { free(target.buffer); out_of_memory(); return R_ERROR; } calc_grad(&target, grad); ass_set_storage_size(renderer, target.width, target.height); ass_set_frame_size(renderer, scale_x * target.width, scale_y * target.height); ASS_Image *img = ass_render_frame(renderer, track, time, NULL); const char *out_file = NULL; if (output) { snprintf(path, sizeof(path), "%s/%s", output, file); out_file = path; } double max_err; int res = compare(&target, grad, img, out_file, &max_err, scale_x, scale_y); free(target.buffer); free(grad); if (!res) { out_of_memory(); return R_ERROR; } Result flag = classify_result(max_err); printf("%.3f %s\n", max_err, result_text[flag]); if (res < 0) printf("Cannot write PNG to file '%s'!\n", path); return flag; } typedef struct { char *name; size_t prefix; const char *dir; int64_t time; } Item; typedef struct { size_t n_items, max_items; Item *items; } ItemList; static bool add_item(ItemList *list) { if (list->n_items < list->max_items) return true; size_t n = list->max_items ? 2 * list->max_items : 256; Item *next = realloc(list->items, n * sizeof(Item)); if (!next) return out_of_memory(); list->max_items = n; list->items = next; return true; } static void delete_items(ItemList *list) { for (size_t i = 0; i < list->n_items; i++) free(list->items[i].name); free(list->items); } static int item_compare(const void *ptr1, const void *ptr2) { const Item *e1 = ptr1, *e2 = ptr2; int cmp_len = 0; size_t len = e1->prefix; if (len > e2->prefix) { cmp_len = +1; len = e2->prefix; } else if (len < e2->prefix) { cmp_len = -1; } int cmp = memcmp(e1->name, e2->name, len); if (cmp) return cmp; if (cmp_len) return cmp_len; if (e1->time > e2->time) return +1; if (e1->time < e2->time) return -1; return 0; } static bool add_sub_item(ItemList *list, const char *dir, const char *file, size_t len) { if (!add_item(list)) return false; Item *item = &list->items[list->n_items]; item->name = strdup(file); if (!item->name) return out_of_memory(); item->prefix = len; item->dir = dir; item->time = -1; list->n_items++; return true; } static bool add_img_item(ItemList *list, const char *dir, const char *file, size_t len) { // Parse image name: // -.png size_t pos = len, first = len; while (true) { if (!pos--) return true; if (file[pos] == '-') break; if (file[pos] < '0' || file[pos] > '9') return true; if (file[pos] != '0') first = pos; } if (pos + 1 == len || first + 15 < len) return true; if (!add_item(list)) return false; Item *item = &list->items[list->n_items]; item->name = strdup(file); if (!item->name) return out_of_memory(); item->prefix = pos; item->dir = dir; item->time = 0; for (size_t i = first; i < len; i++) item->time = 10 * item->time + (file[i] - '0'); list->n_items++; return true; } static bool process_input(ItemList *list, const char *path, ASS_Library *lib) { DIR *dir = opendir(path); if (!dir) { printf("Cannot open input directory '%s'!\n", path); return false; } struct dirent *file; while ((file = readdir(dir))) { const char *name = file->d_name; if (name[0] == '.') continue; const char *ext = strrchr(name + 1, '.'); if (!ext) continue; char ext_lc[5]; size_t pos = 0; while (pos < sizeof(ext_lc) - 1) { char c = ext[pos + 1]; if (!c) break; if (c >= 'A' && c <= 'Z') c += 'a' - 'A'; ext_lc[pos] = c; pos++; } ext_lc[pos] = '\0'; if (!strcmp(ext_lc, "png")) { if (add_img_item(list, path, name, ext - name)) continue; } else if (!strcmp(ext_lc, "ass")) { if (add_sub_item(list, path, name, ext - name)) continue; } else if (!strcmp(ext_lc, "ttf") || !strcmp(ext_lc, "otf") || !strcmp(ext_lc, "pfb")) { if (load_font(lib, path, name)) continue; printf("Cannot load font '%s'!\n", name); } else { continue; } closedir(dir); return false; } closedir(dir); return true; } enum { OUTPUT, SCALE, LEVEL, INPUT }; static int *parse_cmdline(int argc, char *argv[]) { int *pos = calloc(INPUT + argc, sizeof(int)); if (!pos) { out_of_memory(); return NULL; } int input = INPUT; for (int i = 1; i < argc; i++) { if (argv[i][0] != '-') { pos[input++] = i; continue; } int index; switch (argv[i][1]) { case 'i': index = input++; break; case 'o': index = OUTPUT; break; case 's': index = SCALE; break; case 'p': index = LEVEL; break; default: goto fail; } if (argv[i][2] || ++i >= argc || pos[index]) goto fail; pos[index] = i; } if (pos[INPUT]) return pos; fail: free(pos); const char *fmt = "Usage: %s ([-i] )+ [-o ] [-s [x]] [-p ]\n" "\n" "Scale can be a single uniform scaling factor or a pair of independent horizontal and vertical factors. -s N is equivalent to -s NxN.\n"; printf(fmt, argv[0] ? argv[0] : "compare"); return NULL; } static bool parse_scale(const char *arg, int *scale_x, int *scale_y) { if (arg[0] < '1' || arg[0] > '8') return false; *scale_x = *scale_y = arg[0] - '0'; if (!arg[1]) return true; if (arg[1] != 'x' || arg[2] < '1' || arg[2] > '8' || arg[3]) return false; *scale_y = arg[2] - '0'; return true; } void msg_callback(int level, const char *fmt, va_list va, void *data) { if (level > 3) return; fprintf(stderr, "libass: "); vfprintf(stderr, fmt, va); fprintf(stderr, "\n"); } int main(int argc, char *argv[]) { int *pos = parse_cmdline(argc, argv); if (!pos) return R_ERROR; ASS_Library *lib = NULL; ItemList list = {0}; int result = R_ERROR; int scale_x = 1, scale_y = 1; if (pos[SCALE] && !parse_scale(argv[pos[SCALE]], &scale_x, &scale_y)) { printf("Invalid scale value, should be 1-8[x1-8]!\n"); goto end; } int level = R_BAD; if (pos[LEVEL]) { const char *arg = argv[pos[LEVEL]]; if (arg[0] < '0' || arg[0] > '3' || arg[1]) { printf("Invalid pass level value, should be 0-3!\n"); goto end; } level = arg[0] - '0'; } const char *output = NULL; if (pos[OUTPUT]) { output = argv[pos[OUTPUT]]; struct stat st; if (stat(output, &st)) { if (mkdir(output, 0755)) { printf("Cannot create output directory '%s'!\n", output); goto end; } } else if (!(st.st_mode & S_IFDIR)) { printf("Invalid output directory '%s'!\n", output); goto end; } } lib = ass_library_init(); if (!lib) { printf("ass_library_init failed!\n"); goto end; } ass_set_message_cb(lib, msg_callback, NULL); ass_set_extract_fonts(lib, true); for (int *input = pos + INPUT; *input; input++) { if (!process_input(&list, argv[*input], lib)) goto end; } ASS_Renderer *renderer = ass_renderer_init(lib); if (!renderer) { printf("ass_renderer_init failed!\n"); goto end; } ass_set_fonts(renderer, NULL, NULL, ASS_FONTPROVIDER_NONE, NULL, 0); result = 0; size_t prefix = 0; const char *prev = ""; ASS_Track *track = NULL; unsigned total = 0, good = 0; if (list.n_items) qsort(list.items, list.n_items, sizeof(Item), item_compare); for (size_t i = 0; i < list.n_items; i++) { char *name = list.items[i].name; size_t len = list.items[i].prefix; if (prefix != len || memcmp(prev, name, len)) { if (track) { ass_free_track(track); track = NULL; } prev = name; prefix = len; if (list.items[i].time >= 0) { printf("Missing subtitle file '%.*s.ass'!\n", (int) len, name); total++; } else if (i + 1 < list.n_items && list.items[i + 1].time >= 0) track = load_track(lib, list.items[i].dir, prev); continue; } if (list.items[i].time < 0) { printf("Multiple subtitle files '%.*s.ass'!\n", (int) len, name); continue; } total++; if (!track) continue; Result res = process_image(renderer, track, list.items[i].dir, output, name, list.items[i].time, scale_x, scale_y); result = FFMAX(result, res); if (res <= level) good++; } if (track) ass_free_track(track); ass_renderer_done(renderer); if (!total) { printf("No images found!\n"); result = R_ERROR; } else if (good < total) { printf("Only %u of %u images have passed test (%s or better)\n", good, total, result_text[level]); } else { printf("All %u images have passed test (%s or better)\n", total, result_text[level]); result = 0; } end: delete_items(&list); if (lib) ass_library_done(lib); free(pos); return result; } libass-0.17.1/compare/image.c0000644060175106017510000001640514371314501012675 00000000000000/* * Copyright (C) 2017 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "image.h" #include static inline bool is_little_endian(void) { return *(char *) &(uint16_t) {1}; } bool read_png(const char *path, Image16 *img) { FILE *fp = fopen(path, "rb"); if (!fp) return false; png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); if (!png) { fclose(fp); return false; } png_infop info = png_create_info_struct(png); if (!info) { png_destroy_read_struct(&png, NULL, NULL); fclose(fp); return false; } png_byte *volatile buf = NULL; png_byte **volatile rows = NULL; if (setjmp(png_jmpbuf(png))) { free(buf); free(rows); png_destroy_read_struct(&png, &info, NULL); fclose(fp); return false; } png_init_io(png, fp); png_read_info(png, info); uint32_t w = png_get_image_width(png, info); uint32_t h = png_get_image_height(png, info); int type = png_get_color_type(png, info); int depth = png_get_bit_depth(png, info); if (w > 0xFFFF || h > 0xFFFF || type != PNG_COLOR_TYPE_RGBA) { png_destroy_read_struct(&png, &info, NULL); fclose(fp); return false; } ptrdiff_t stride = 8 * w; buf = malloc(stride * h); rows = malloc(h * sizeof(png_byte *)); if (!buf || !rows) { free(buf); free(rows); png_destroy_read_struct(&png, &info, NULL); fclose(fp); return false; } png_byte *ptr = buf; ptrdiff_t half = 4 * w; if (depth == 8) ptr += half; else if (is_little_endian()) png_set_swap(png); for (uint32_t i = 0; i < h; i++) { rows[i] = ptr; ptr += stride; } png_read_image(png, rows); png_read_end(png, NULL); free(rows); png_destroy_read_struct(&png, &info, NULL); fclose(fp); // convert to premultiplied with inverted alpha if (depth == 8) { uint8_t *ptr = (uint8_t *) buf; for (uint32_t y = 0; y < h; y++) { for (uint32_t x = 0; x < w; x++) { uint8_t r = ptr[half + 4 * x + 0]; uint8_t g = ptr[half + 4 * x + 1]; uint8_t b = ptr[half + 4 * x + 2]; uint8_t a = ptr[half + 4 * x + 3]; uint16_t ra = (uint16_t) r * a; uint16_t ga = (uint16_t) g * a; uint16_t ba = (uint16_t) b * a; ptr[8 * x + 0] = ptr[8 * x + 1] = (ra + (ra >> 8) + 128) >> 8; ptr[8 * x + 2] = ptr[8 * x + 3] = (ga + (ga >> 8) + 128) >> 8; ptr[8 * x + 4] = ptr[8 * x + 5] = (ba + (ba >> 8) + 128) >> 8; ptr[8 * x + 6] = ptr[8 * x + 7] = ~a; } ptr += stride; } } else { uint16_t *ptr = (uint16_t *) buf; for (uint32_t y = 0; y < h; y++) { for (uint32_t x = 0; x < w; x++) { uint16_t r = ptr[4 * x + 0]; uint16_t g = ptr[4 * x + 1]; uint16_t b = ptr[4 * x + 2]; uint16_t a = ptr[4 * x + 3]; uint32_t ra = (uint32_t) r * a; uint32_t ga = (uint32_t) g * a; uint32_t ba = (uint32_t) b * a; ptr[4 * x + 0] = (ra + (ra >> 16) + (1 << 15)) >> 16; ptr[4 * x + 1] = (ga + (ga >> 16) + (1 << 15)) >> 16; ptr[4 * x + 2] = (ba + (ba >> 16) + (1 << 15)) >> 16; ptr[4 * x + 3] = ~a; } ptr += half; } } img->width = w; img->height = h; img->buffer = (uint16_t *) buf; return true; } static bool write_png(const char *path, uint32_t width, uint32_t height, ptrdiff_t stride, const void *buffer, int depth) { FILE *fp = fopen(path, "wb"); if (!fp) return false; png_structp png = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); if (!png) { fclose(fp); return false; } png_infop info = png_create_info_struct(png); if (!info) { png_destroy_write_struct(&png, NULL); fclose(fp); return false; } png_byte **rows = malloc(height * sizeof(png_byte *)); if (!rows) { png_destroy_write_struct(&png, &info); fclose(fp); return false; } png_byte *ptr = (png_byte *) buffer; for (uint32_t i = 0; i < height; i++) { rows[i] = (png_byte *) ptr; ptr += stride; } if (setjmp(png_jmpbuf(png))) { free(rows); png_destroy_write_struct(&png, &info); fclose(fp); return false; } png_init_io(png, fp); png_set_IHDR(png, info, width, height, depth, PNG_COLOR_TYPE_RGBA, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); png_write_info(png, info); if (depth > 8 && is_little_endian()) png_set_swap(png); png_write_image(png, rows); png_write_end(png, NULL); free(rows); png_destroy_write_struct(&png, &info); fclose(fp); return true; } bool write_png8(const char *path, Image8 *img) { uint8_t *ptr = img->buffer; size_t size = (size_t) img->width * img->height; for (size_t i = 0; i < size; i++) { uint8_t alpha = ~ptr[3]; if (alpha) { const uint32_t offs = (uint32_t) 1 << 15; uint32_t inv = ((uint32_t) 255 << 16) / alpha + 1; // equivalent to (255 * ptr[k] + alpha / 2) / alpha ptr[0] = (ptr[0] * inv + offs) >> 16; ptr[1] = (ptr[1] * inv + offs) >> 16; ptr[2] = (ptr[2] * inv + offs) >> 16; } ptr[3] = alpha; ptr += 4; } return write_png(path, img->width, img->height, 4 * img->width, img->buffer, 8); } bool write_png16(const char *path, Image16 *img) { uint16_t *ptr = img->buffer; size_t size = (size_t) img->width * img->height; for (size_t i = 0; i < size; i++) { uint16_t alpha = ~ptr[3]; if (alpha) { const uint64_t offs = (uint64_t) 1 << 32; uint64_t inv = ((uint64_t) 65535 << 33) / alpha + 1; // equivalent to (65535 * ptr[k] + alpha / 2) / alpha ptr[0] = (ptr[0] * inv + offs) >> 33; ptr[1] = (ptr[1] * inv + offs) >> 33; ptr[2] = (ptr[2] * inv + offs) >> 33; } ptr[3] = alpha; ptr += 4; } return write_png(path, img->width, img->height, 8 * img->width, img->buffer, 16); } libass-0.17.1/compare/image.h0000644060175106017510000000242014201032210012654 00000000000000/* * Copyright (C) 2017 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef COMPARE_IMAGE_H #define COMPARE_IMAGE_H #include #include #include #include typedef struct { int32_t width, height; uint8_t *buffer; } Image8; typedef struct { int32_t width, height; uint16_t *buffer; } Image16; bool read_png(const char *path, Image16 *img); bool write_png8(const char *path, Image8 *img); bool write_png16(const char *path, Image16 *img); #endif /* COMPARE_IMAGE_H */ libass-0.17.1/compare/README.md0000644060175106017510000001050114371314501012715 00000000000000Regression Testing ================== To build a test utility configure libass with the `--enable-compare` flag. The utility works with `png` image files so there is external dependency of libpng. Test program command line: `compare ([-i] )+ [-o ] [-s [x]] [-p ]` * `` is a test input directory, can be several of them; * `` if present sets directory to store the rendering results; * `` sets factors for horizontal and vertical oversampling (positive integers up to 8) or a single factor to be used in both directions (default 1); * `` corresponds to the level of image differences required to pass test: - 0: only `SAME` level accepted, bitwise comparison mode; - 1: `GOOD` level or less required; - 2: `BAD` level or less required, default mode; - 3: `FAIL` level or less required, i. e. any difference accepted, error checking mode. An input directory consists of font files (`*.ttf`, `*.otf` and `*.pfb`), subtitle files (`*.ass`), and image files (`*.png`). All the fonts required for rendering should be present in the input directories as libass is configured to not use anything external outside of it (`ASS_FONTPROVIDER_NONE`). After loading all the fonts in the directories, the test program scans for subtitle files (`.ass`) and their corresponding image files in the form of `-NNNN.png`, where `NNNN` is an arbitrary number of decimal digits. The subtitle file then would be rendered at the time of `NNNN` milliseconds and compared with the loaded image file. For example, an input directory can have the following structure: ``` test/ font1.ttf font2.otf sub1.ass sub1-0500.png sub1-1500.png sub1-2500.png sub2.ass sub2-153000.png ``` More precisely, the test program (`compare`) would scan all input directories and do the following: 1) load all the fonts found (`*.ttf`, `*.otf`, `*.pfb`); 2) search for subtitle files (`*.ass`); 3) for every file found (`.ass`) scan for the files with names of `-NNNN.png`; 4) interpret `NNNN` as a time in milliseconds and render the subtitle file at that time with a transparent background; 5) fuzzy compare the rendering result with the corresponding png file; 6) save the rendering result in the output directory if requested. Target images should be transparent RGBA png files with 8 or 16 bits per channel. A subtitle rendering resolution is determined by the extents of the target image files multiplied by an optional scale factor (`-s` switch). In the case of nontrivial scale factor, the result would be downsampled using 16-bit precision before comparison. Downsampling is done assuming a linear color space which is physically incorrect but commonly used in computer rendering. It's possible to save rendering results by using `-o` switch. Saved files would have the same names as the target image files. That functionality can be used for an initial generation of target images by supplying arbitrary source images with correct names and extents. Test program output can look like the following: ``` Loading font 'font1.ttf'. Loading font 'font2.otf'. Processing 'sub1.ass': Time 0:00:00.500 - 2.464 BAD Time 0:00:01.500 - 1.412 OK Time 0:00:02.500 - 4.919 FAIL Processing 'sub2.ass': Time 0:02:33.000 - 0.728 OK Only 3 of 4 images have passed test ``` For each target image file the program reports a maximal ratio of the per pixel comparison difference to the baseline error scale. The baseline error scale tries to take account of neighboring pixels to estimate visibility of a difference in that specific pixel location. Zero difference is marked as `SAME` (level 0), nonzero value in the range of [0–2.0] is marked as `GOOD` (level 1), in the range of [2.0–4.0] as `BAD` (level 2) and more than 4.0 as `FAIL` (level 3). Any problem during processing of a specific image is treated as a level 4 difference. If all images have level of difference less or equal to pass level (`-p` switch, default 2) then the test is considered as passed and program returns 0. Otherwise program returns maximal level of difference throughout all images (4 in case of error). Note that almost any type of a rendering error can be greatly exaggerated by the specially tailored test cases. Therefore test cases should be chosen to represent generic real world scenarios only. libass-0.17.1/compile0000755060175106017510000001635014376701466011415 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2021 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. 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"$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libass-0.17.1/config.guess0000755060175106017510000014030414376701466012354 00000000000000#! /bin/sh # Attempt to guess a canonical system name. # Copyright 1992-2021 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2021-06-03' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \ /sbin/sysctl -n hw.machine_arch 2>/dev/null || \ /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \ echo unknown)` case $UNAME_MACHINE_ARCH in aarch64eb) machine=aarch64_be-unknown ;; armeb) machine=armeb-unknown ;; arm*) machine=arm-unknown ;; sh3el) machine=shl-unknown ;; sh3eb) machine=sh-unknown ;; sh5el) machine=sh5le-unknown ;; earmv*) arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'` endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'` machine=${arch}${endian}-unknown ;; *) machine=$UNAME_MACHINE_ARCH-unknown ;; esac # The Operating System including object format, if it has switched # to ELF recently (or will in the future) and ABI. case $UNAME_MACHINE_ARCH in earm*) os=netbsdelf ;; arm*|i386|m68k|ns32k|sh3*|sparc|vax) set_cc_for_build if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ELF__ then # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). # Return netbsd for either. 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ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` case $ALPHA_CPU_TYPE in "EV4 (21064)") UNAME_MACHINE=alpha ;; "EV4.5 (21064)") UNAME_MACHINE=alpha ;; "LCA4 (21066/21068)") UNAME_MACHINE=alpha ;; "EV5 (21164)") UNAME_MACHINE=alphaev5 ;; "EV5.6 (21164A)") UNAME_MACHINE=alphaev56 ;; "EV5.6 (21164PC)") UNAME_MACHINE=alphapca56 ;; "EV5.7 (21164PC)") UNAME_MACHINE=alphapca57 ;; "EV6 (21264)") UNAME_MACHINE=alphaev6 ;; "EV6.7 (21264A)") UNAME_MACHINE=alphaev67 ;; "EV6.8CB (21264C)") UNAME_MACHINE=alphaev68 ;; "EV6.8AL (21264B)") UNAME_MACHINE=alphaev68 ;; "EV6.8CX (21264D)") UNAME_MACHINE=alphaev68 ;; "EV6.9A (21264/EV69A)") UNAME_MACHINE=alphaev69 ;; "EV7 (21364)") UNAME_MACHINE=alphaev7 ;; "EV7.9 (21364A)") UNAME_MACHINE=alphaev79 ;; esac # A Pn.n version is a patched version. # A Vn.n version is a released version. # A Tn.n version is a released field test version. # A Xn.n version is an unreleased experimental baselevel. # 1.2 uses "1.2" for uname -r. OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` GUESS=$UNAME_MACHINE-dec-osf$OSF_REL ;; Amiga*:UNIX_System_V:4.0:*) GUESS=m68k-unknown-sysv4 ;; *:[Aa]miga[Oo][Ss]:*:*) GUESS=$UNAME_MACHINE-unknown-amigaos ;; *:[Mm]orph[Oo][Ss]:*:*) GUESS=$UNAME_MACHINE-unknown-morphos ;; *:OS/390:*:*) GUESS=i370-ibm-openedition ;; *:z/VM:*:*) GUESS=s390-ibm-zvmoe ;; *:OS400:*:*) GUESS=powerpc-ibm-os400 ;; arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) GUESS=arm-acorn-riscix$UNAME_RELEASE ;; arm*:riscos:*:*|arm*:RISCOS:*:*) GUESS=arm-unknown-riscos ;; SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) GUESS=hppa1.1-hitachi-hiuxmpp ;; Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) # akee@wpdis03.wpafb.af.mil (Earle F. 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The system name ranges from "MiNT" over "FreeMiNT" # to the lowercase version "mint" (or "freemint"). Finally # the system name "TOS" denotes a system which is actually not # MiNT. But MiNT is downward compatible to TOS, so this should # be no problem. atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) GUESS=m68k-atari-mint$UNAME_RELEASE ;; atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) GUESS=m68k-atari-mint$UNAME_RELEASE ;; *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) GUESS=m68k-atari-mint$UNAME_RELEASE ;; milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) GUESS=m68k-milan-mint$UNAME_RELEASE ;; hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) GUESS=m68k-hades-mint$UNAME_RELEASE ;; *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) GUESS=m68k-unknown-mint$UNAME_RELEASE ;; m68k:machten:*:*) GUESS=m68k-apple-machten$UNAME_RELEASE ;; powerpc:machten:*:*) GUESS=powerpc-apple-machten$UNAME_RELEASE ;; RISC*:Mach:*:*) GUESS=mips-dec-mach_bsd4.3 ;; RISC*:ULTRIX:*:*) GUESS=mips-dec-ultrix$UNAME_RELEASE ;; VAX*:ULTRIX*:*:*) GUESS=vax-dec-ultrix$UNAME_RELEASE ;; 2020:CLIX:*:* | 2430:CLIX:*:*) GUESS=clipper-intergraph-clix$UNAME_RELEASE ;; mips:*:*:UMIPS | mips:*:*:RISCos) set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #ifdef __cplusplus #include /* for printf() prototype */ int main (int argc, char *argv[]) { #else int main (argc, argv) int argc; char *argv[]; { #endif #if defined (host_mips) && defined (MIPSEB) #if defined (SYSTYPE_SYSV) printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_SVR4) printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0); #endif #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0); #endif #endif exit (-1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` && SYSTEM_NAME=`"$dummy" "$dummyarg"` && { echo "$SYSTEM_NAME"; exit; } GUESS=mips-mips-riscos$UNAME_RELEASE ;; Motorola:PowerMAX_OS:*:*) GUESS=powerpc-motorola-powermax ;; Motorola:*:4.3:PL8-*) GUESS=powerpc-harris-powermax ;; Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) GUESS=powerpc-harris-powermax ;; Night_Hawk:Power_UNIX:*:*) GUESS=powerpc-harris-powerunix ;; m88k:CX/UX:7*:*) GUESS=m88k-harris-cxux7 ;; m88k:*:4*:R4*) GUESS=m88k-motorola-sysv4 ;; m88k:*:3*:R3*) GUESS=m88k-motorola-sysv3 ;; AViiON:dgux:*:*) # DG/UX returns AViiON for all architectures UNAME_PROCESSOR=`/usr/bin/uname -p` if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110 then if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \ test "$TARGET_BINARY_INTERFACE"x = x then GUESS=m88k-dg-dgux$UNAME_RELEASE else GUESS=m88k-dg-dguxbcs$UNAME_RELEASE fi else GUESS=i586-dg-dgux$UNAME_RELEASE fi ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) GUESS=m88k-dolphin-sysv3 ;; M88*:*:R3*:*) # Delta 88k system running SVR3 GUESS=m88k-motorola-sysv3 ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) GUESS=m88k-tektronix-sysv3 ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) GUESS=m68k-tektronix-bsd ;; *:IRIX*:*:*) IRIX_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/g'` GUESS=mips-sgi-irix$IRIX_REL ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. GUESS=romp-ibm-aix # uname -m gives an 8 hex-code CPU id ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i*86:AIX:*:*) GUESS=i386-ibm-aix ;; ia64:AIX:*:*) if test -x /usr/bin/oslevel ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=$UNAME_VERSION.$UNAME_RELEASE fi GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` then GUESS=$SYSTEM_NAME else GUESS=rs6000-ibm-aix3.2.5 fi elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then GUESS=rs6000-ibm-aix3.2.4 else GUESS=rs6000-ibm-aix3.2 fi ;; *:AIX:*:[4567]) IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if test -x /usr/bin/lslpp ; then IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \ awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` else IBM_REV=$UNAME_VERSION.$UNAME_RELEASE fi GUESS=$IBM_ARCH-ibm-aix$IBM_REV ;; *:AIX:*:*) GUESS=rs6000-ibm-aix ;; ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*) GUESS=romp-ibm-bsd4.4 ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and GUESS=romp-ibm-bsd$UNAME_RELEASE # 4.3 with uname added to ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) GUESS=rs6000-bull-bosx ;; DPX/2?00:B.O.S.:*:*) GUESS=m68k-bull-sysv3 ;; 9000/[34]??:4.3bsd:1.*:*) GUESS=m68k-hp-bsd ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) GUESS=m68k-hp-bsd4.4 ;; 9000/[34678]??:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` case $UNAME_MACHINE in 9000/31?) HP_ARCH=m68000 ;; 9000/[34]??) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if test -x /usr/bin/getconf; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case $sc_cpu_version in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case $sc_kernel_bits in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if test "$HP_ARCH" = ""; then set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if test "$HP_ARCH" = hppa2.0w then set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi GUESS=$HP_ARCH-hp-hpux$HPUX_REV ;; ia64:HP-UX:*:*) HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` GUESS=ia64-hp-hpux$HPUX_REV ;; 3050*:HI-UX:*:*) set_cc_for_build sed 's/^ //' << EOF > "$dummy.c" #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } GUESS=unknown-hitachi-hiuxwe2 ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) GUESS=hppa1.1-hp-bsd ;; 9000/8??:4.3bsd:*:*) GUESS=hppa1.0-hp-bsd ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) GUESS=hppa1.0-hp-mpeix ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) GUESS=hppa1.1-hp-osf ;; hp8??:OSF1:*:*) GUESS=hppa1.0-hp-osf ;; i*86:OSF1:*:*) if test -x /usr/sbin/sysversion ; then GUESS=$UNAME_MACHINE-unknown-osf1mk else GUESS=$UNAME_MACHINE-unknown-osf1 fi ;; parisc*:Lites*:*:*) GUESS=hppa1.1-hp-lites ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) GUESS=c1-convex-bsd ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) GUESS=c34-convex-bsd ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) GUESS=c38-convex-bsd ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) GUESS=c4-convex-bsd ;; CRAY*Y-MP:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=ymp-cray-unicos$CRAY_REL ;; CRAY*[A-Z]90:*:*:*) echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=t90-cray-unicos$CRAY_REL ;; CRAY*T3E:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=alphaev5-cray-unicosmk$CRAY_REL ;; CRAY*SV1:*:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=sv1-cray-unicos$CRAY_REL ;; *:UNICOS/mp:*:*) CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` GUESS=craynv-cray-unicosmp$CRAY_REL ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE ;; sparc*:BSD/OS:*:*) GUESS=sparc-unknown-bsdi$UNAME_RELEASE ;; *:BSD/OS:*:*) GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE ;; arm:FreeBSD:*:*) UNAME_PROCESSOR=`uname -p` set_cc_for_build if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi else FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf fi ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case $UNAME_PROCESSOR in amd64) UNAME_PROCESSOR=x86_64 ;; i386) UNAME_PROCESSOR=i586 ;; esac FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL ;; i*:CYGWIN*:*) GUESS=$UNAME_MACHINE-pc-cygwin ;; *:MINGW64*:*) GUESS=$UNAME_MACHINE-pc-mingw64 ;; *:MINGW*:*) GUESS=$UNAME_MACHINE-pc-mingw32 ;; *:MSYS*:*) GUESS=$UNAME_MACHINE-pc-msys ;; i*:PW*:*) GUESS=$UNAME_MACHINE-pc-pw32 ;; *:Interix*:*) case $UNAME_MACHINE in x86) GUESS=i586-pc-interix$UNAME_RELEASE ;; authenticamd | genuineintel | EM64T) GUESS=x86_64-unknown-interix$UNAME_RELEASE ;; IA64) GUESS=ia64-unknown-interix$UNAME_RELEASE ;; esac ;; i*:UWIN*:*) GUESS=$UNAME_MACHINE-pc-uwin ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) GUESS=x86_64-pc-cygwin ;; prep*:SunOS:5.*:*) SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` GUESS=powerpcle-unknown-solaris2$SUN_REL ;; *:GNU:*:*) # the GNU system GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'` GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL ;; *:GNU/*:*:*) # other systems with GNU libc and userland GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"` GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC ;; *:Minix:*:*) GUESS=$UNAME_MACHINE-unknown-minix ;; aarch64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC=gnulibc1 ; fi GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; arm*:Linux:*:*) set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then GUESS=$UNAME_MACHINE-unknown-linux-$LIBC else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi else GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf fi fi ;; avr32*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; cris:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; crisv32:Linux:*:*) GUESS=$UNAME_MACHINE-axis-linux-$LIBC ;; e2k:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; frv:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; hexagon:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:Linux:*:*) GUESS=$UNAME_MACHINE-pc-linux-$LIBC ;; ia64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; k1om:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m32r*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; m68*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; mips:Linux:*:* | mips64:Linux:*:*) set_cc_for_build IS_GLIBC=0 test x"${LIBC}" = xgnu && IS_GLIBC=1 sed 's/^ //' << EOF > "$dummy.c" #undef CPU #undef mips #undef mipsel #undef mips64 #undef mips64el #if ${IS_GLIBC} && defined(_ABI64) LIBCABI=gnuabi64 #else #if ${IS_GLIBC} && defined(_ABIN32) LIBCABI=gnuabin32 #else LIBCABI=${LIBC} #endif #endif #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa64r6 #else #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 CPU=mipsisa32r6 #else #if defined(__mips64) CPU=mips64 #else CPU=mips #endif #endif #endif #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) MIPS_ENDIAN=el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) MIPS_ENDIAN= #else MIPS_ENDIAN= #endif #endif EOF cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'` eval "$cc_set_vars" test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; } ;; mips64el:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; openrisc*:Linux:*:*) GUESS=or1k-unknown-linux-$LIBC ;; or32:Linux:*:* | or1k*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; padre:Linux:*:*) GUESS=sparc-unknown-linux-$LIBC ;; parisc64:Linux:*:* | hppa64:Linux:*:*) GUESS=hppa64-unknown-linux-$LIBC ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;; PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;; *) GUESS=hppa-unknown-linux-$LIBC ;; esac ;; ppc64:Linux:*:*) GUESS=powerpc64-unknown-linux-$LIBC ;; ppc:Linux:*:*) GUESS=powerpc-unknown-linux-$LIBC ;; ppc64le:Linux:*:*) GUESS=powerpc64le-unknown-linux-$LIBC ;; ppcle:Linux:*:*) GUESS=powerpcle-unknown-linux-$LIBC ;; riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; s390:Linux:*:* | s390x:Linux:*:*) GUESS=$UNAME_MACHINE-ibm-linux-$LIBC ;; sh64*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sh*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; sparc:Linux:*:* | sparc64:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; tile*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; vax:Linux:*:*) GUESS=$UNAME_MACHINE-dec-linux-$LIBC ;; x86_64:Linux:*:*) set_cc_for_build LIBCABI=$LIBC if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_X32 >/dev/null then LIBCABI=${LIBC}x32 fi fi GUESS=$UNAME_MACHINE-pc-linux-$LIBCABI ;; xtensa*:Linux:*:*) GUESS=$UNAME_MACHINE-unknown-linux-$LIBC ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. GUESS=i386-sequent-sysv4 ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. GUESS=$UNAME_MACHINE-pc-os2-emx ;; i*86:XTS-300:*:STOP) GUESS=$UNAME_MACHINE-unknown-stop ;; i*86:atheos:*:*) GUESS=$UNAME_MACHINE-unknown-atheos ;; i*86:syllable:*:*) GUESS=$UNAME_MACHINE-pc-syllable ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) GUESS=i386-unknown-lynxos$UNAME_RELEASE ;; i*86:*DOS:*:*) GUESS=$UNAME_MACHINE-pc-msdosdjgpp ;; i*86:*:4.*:*) UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL fi ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL else GUESS=$UNAME_MACHINE-pc-sysv32 fi ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. GUESS=i586-pc-msdosdjgpp ;; Intel:Mach:3*:*) GUESS=i386-pc-mach3 ;; paragon:*:*:*) GUESS=i860-intel-osf1 ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then GUESS=i860-stardent-sysv$UNAME_RELEASE # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. GUESS=i860-unknown-sysv$UNAME_RELEASE # Unknown i860-SVR4 fi ;; mini*:CTIX:SYS*5:*) # "miniframe" GUESS=m68010-convergent-sysv ;; mc68k:UNIX:SYSTEM5:3.51m) GUESS=m68k-convergent-sysv ;; M680?0:D-NIX:5.3:*) GUESS=m68k-diab-dnix ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) GUESS=m68k-unknown-lynxos$UNAME_RELEASE ;; mc68030:UNIX_System_V:4.*:*) GUESS=m68k-atari-sysv4 ;; TSUNAMI:LynxOS:2.*:*) GUESS=sparc-unknown-lynxos$UNAME_RELEASE ;; rs6000:LynxOS:2.*:*) GUESS=rs6000-unknown-lynxos$UNAME_RELEASE ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) GUESS=powerpc-unknown-lynxos$UNAME_RELEASE ;; SM[BE]S:UNIX_SV:*:*) GUESS=mips-dde-sysv$UNAME_RELEASE ;; RM*:ReliantUNIX-*:*:*) GUESS=mips-sni-sysv4 ;; RM*:SINIX-*:*:*) GUESS=mips-sni-sysv4 ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` GUESS=$UNAME_MACHINE-sni-sysv4 else GUESS=ns32k-sni-sysv fi ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says GUESS=i586-unisys-sysv4 ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm GUESS=hppa1.1-stratus-sysv4 ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. GUESS=i860-stratus-sysv4 ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. GUESS=$UNAME_MACHINE-stratus-vos ;; *:VOS:*:*) # From Paul.Green@stratus.com. GUESS=hppa1.1-stratus-vos ;; mc68*:A/UX:*:*) GUESS=m68k-apple-aux$UNAME_RELEASE ;; news*:NEWS-OS:6*:*) GUESS=mips-sony-newsos6 ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if test -d /usr/nec; then GUESS=mips-nec-sysv$UNAME_RELEASE else GUESS=mips-unknown-sysv$UNAME_RELEASE fi ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. GUESS=powerpc-be-beos ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. GUESS=powerpc-apple-beos ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. GUESS=i586-pc-beos ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. GUESS=i586-pc-haiku ;; x86_64:Haiku:*:*) GUESS=x86_64-unknown-haiku ;; SX-4:SUPER-UX:*:*) GUESS=sx4-nec-superux$UNAME_RELEASE ;; SX-5:SUPER-UX:*:*) GUESS=sx5-nec-superux$UNAME_RELEASE ;; SX-6:SUPER-UX:*:*) GUESS=sx6-nec-superux$UNAME_RELEASE ;; SX-7:SUPER-UX:*:*) GUESS=sx7-nec-superux$UNAME_RELEASE ;; SX-8:SUPER-UX:*:*) GUESS=sx8-nec-superux$UNAME_RELEASE ;; SX-8R:SUPER-UX:*:*) GUESS=sx8r-nec-superux$UNAME_RELEASE ;; SX-ACE:SUPER-UX:*:*) GUESS=sxace-nec-superux$UNAME_RELEASE ;; Power*:Rhapsody:*:*) GUESS=powerpc-apple-rhapsody$UNAME_RELEASE ;; *:Rhapsody:*:*) GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE ;; arm64:Darwin:*:*) GUESS=aarch64-apple-darwin$UNAME_RELEASE ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` case $UNAME_PROCESSOR in unknown) UNAME_PROCESSOR=powerpc ;; esac if command -v xcode-select > /dev/null 2> /dev/null && \ ! xcode-select --print-path > /dev/null 2> /dev/null ; then # Avoid executing cc if there is no toolchain installed as # cc will be a stub that puts up a graphical alert # prompting the user to install developer tools. CC_FOR_BUILD=no_compiler_found else set_cc_for_build fi if test "$CC_FOR_BUILD" != no_compiler_found; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_PPC >/dev/null then UNAME_PROCESSOR=powerpc fi elif test "$UNAME_PROCESSOR" = i386 ; then # uname -m returns i386 or x86_64 UNAME_PROCESSOR=$UNAME_MACHINE fi GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE ;; *:procnto*:*:* | *:QNX:[0123456789]*:*) UNAME_PROCESSOR=`uname -p` if test "$UNAME_PROCESSOR" = x86; then UNAME_PROCESSOR=i386 UNAME_MACHINE=pc fi GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE ;; *:QNX:*:4*) GUESS=i386-pc-qnx ;; NEO-*:NONSTOP_KERNEL:*:*) GUESS=neo-tandem-nsk$UNAME_RELEASE ;; NSE-*:NONSTOP_KERNEL:*:*) GUESS=nse-tandem-nsk$UNAME_RELEASE ;; NSR-*:NONSTOP_KERNEL:*:*) GUESS=nsr-tandem-nsk$UNAME_RELEASE ;; NSV-*:NONSTOP_KERNEL:*:*) GUESS=nsv-tandem-nsk$UNAME_RELEASE ;; NSX-*:NONSTOP_KERNEL:*:*) GUESS=nsx-tandem-nsk$UNAME_RELEASE ;; *:NonStop-UX:*:*) GUESS=mips-compaq-nonstopux ;; BS2000:POSIX*:*:*) GUESS=bs2000-siemens-sysv ;; DS/*:UNIX_System_V:*:*) GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE ;; *:Plan9:*:*) # "uname -m" is not consistent, so use $cputype instead. 386 # is converted to i386 for consistency with other x86 # operating systems. if test "${cputype-}" = 386; then UNAME_MACHINE=i386 elif test "x${cputype-}" != x; then UNAME_MACHINE=$cputype fi GUESS=$UNAME_MACHINE-unknown-plan9 ;; *:TOPS-10:*:*) GUESS=pdp10-unknown-tops10 ;; *:TENEX:*:*) GUESS=pdp10-unknown-tenex ;; KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) GUESS=pdp10-dec-tops20 ;; XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) GUESS=pdp10-xkl-tops20 ;; *:TOPS-20:*:*) GUESS=pdp10-unknown-tops20 ;; *:ITS:*:*) GUESS=pdp10-unknown-its ;; SEI:*:*:SEIUX) GUESS=mips-sei-seiux$UNAME_RELEASE ;; *:DragonFly:*:*) DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL ;; *:*VMS:*:*) UNAME_MACHINE=`(uname -p) 2>/dev/null` case $UNAME_MACHINE in A*) GUESS=alpha-dec-vms ;; I*) GUESS=ia64-dec-vms ;; V*) GUESS=vax-dec-vms ;; esac ;; *:XENIX:*:SysV) GUESS=i386-pc-xenix ;; i*86:skyos:*:*) SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'` GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL ;; i*86:rdos:*:*) GUESS=$UNAME_MACHINE-pc-rdos ;; *:AROS:*:*) GUESS=$UNAME_MACHINE-unknown-aros ;; x86_64:VMkernel:*:*) GUESS=$UNAME_MACHINE-unknown-esx ;; amd64:Isilon\ OneFS:*:*) GUESS=x86_64-unknown-onefs ;; *:Unleashed:*:*) GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE ;; esac # Do we have a guess based on uname results? if test "x$GUESS" != x; then echo "$GUESS" exit fi # No uname command or uname output not recognized. set_cc_for_build cat > "$dummy.c" < #include #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #include #if defined(_SIZE_T_) || defined(SIGLOST) #include #endif #endif #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; if (version < 4) printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); else printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-pc-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) #if !defined (ultrix) #include #if defined (BSD) #if BSD == 43 printf ("vax-dec-bsd4.3\n"); exit (0); #else #if BSD == 199006 printf ("vax-dec-bsd4.3reno\n"); exit (0); #else printf ("vax-dec-bsd\n"); exit (0); #endif #endif #else printf ("vax-dec-bsd\n"); exit (0); #endif #else #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname un; uname (&un); printf ("vax-dec-ultrix%s\n", un.release); exit (0); #else printf ("vax-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) #if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) #if defined(_SIZE_T_) || defined(SIGLOST) struct utsname *un; uname (&un); printf ("mips-dec-ultrix%s\n", un.release); exit (0); #else printf ("mips-dec-ultrix\n"); exit (0); #endif #endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` && { echo "$SYSTEM_NAME"; exit; } # Apollos put the system type in the environment. test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; } echo "$0: unable to guess system type" >&2 case $UNAME_MACHINE:$UNAME_SYSTEM in mips:Linux | mips64:Linux) # If we got here on MIPS GNU/Linux, output extra information. cat >&2 <&2 <&2 </dev/null || echo unknown` uname -r = `(uname -r) 2>/dev/null || echo unknown` uname -s = `(uname -s) 2>/dev/null || echo unknown` uname -v = `(uname -v) 2>/dev/null || echo unknown` /usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` /bin/uname -X = `(/bin/uname -X) 2>/dev/null` hostinfo = `(hostinfo) 2>/dev/null` /bin/universe = `(/bin/universe) 2>/dev/null` /usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` /bin/arch = `(/bin/arch) 2>/dev/null` /usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` UNAME_MACHINE = "$UNAME_MACHINE" UNAME_RELEASE = "$UNAME_RELEASE" UNAME_SYSTEM = "$UNAME_SYSTEM" UNAME_VERSION = "$UNAME_VERSION" EOF fi exit 1 # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "timestamp='" # time-stamp-format: "%:y-%02m-%02d" # time-stamp-end: "'" # End: libass-0.17.1/config.h.in0000644060175106017510000000526414376701462012060 00000000000000/* config.h.in. Generated from configure.ac by autoheader. */ /* targeting a 32- or 64-bit x86 host architecture */ #undef ARCH_X86 /* ASM enabled */ #undef CONFIG_ASM /* found CoreText framework */ #undef CONFIG_CORETEXT /* found DirectWrite and GDI (Win32) */ #undef CONFIG_DIRECTWRITE /* found fontconfig via pkg-config */ #undef CONFIG_FONTCONFIG /* found freetype2 via pkg-config */ #undef CONFIG_FREETYPE /* found fribidi via pkg-config */ #undef CONFIG_FRIBIDI /* found harfbuzz via pkg-config */ #undef CONFIG_HARFBUZZ /* use iconv */ #undef CONFIG_ICONV /* use small tiles */ #undef CONFIG_LARGE_TILES /* found libpng via pkg-config */ #undef CONFIG_LIBPNG /* string containing info about the used source */ #undef CONFIG_SOURCEVERSION /* found libunibreak via pkg-config */ #undef CONFIG_UNIBREAK /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H /* Define to 1 if you have the header file. */ #undef HAVE_ICONV_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDIO_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the `strdup' function. */ #undef HAVE_STRDUP /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strndup' function. */ #undef HAVE_STRNDUP /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to the sub-directory where libtool stores uninstalled libraries. */ #undef LT_OBJDIR /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if all of the C90 standard headers exist (not just the ones required in a freestanding environment). This macro is provided for backward compatibility; new code need not use it. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION libass-0.17.1/config.sub0000755060175106017510000010471414376701466012024 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2021 Free Software Foundation, Inc. # shellcheck disable=SC2006,SC2268 # see below for rationale timestamp='2021-08-14' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # https://git.savannah.gnu.org/cgit/config.git/plain/config.sub # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. # The "shellcheck disable" line above the timestamp inhibits complaints # about features and limitations of the classic Bourne shell that were # superseded or lifted in POSIX. However, this script identifies a wide # variety of pre-POSIX systems that do not have POSIX shells at all, and # even some reasonably current systems (Solaris 10 as case-in-point) still # have a pre-POSIX /bin/sh. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Options: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" >&2 exit 1 ;; *local*) # First pass through any local machine types. echo "$1" exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Split fields of configuration type # shellcheck disable=SC2162 saved_IFS=$IFS IFS="-" read field1 field2 field3 field4 <&2 exit 1 ;; *-*-*-*) basic_machine=$field1-$field2 basic_os=$field3-$field4 ;; *-*-*) # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two # parts maybe_os=$field2-$field3 case $maybe_os in nto-qnx* | linux-* | uclinux-uclibc* \ | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \ | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \ | storm-chaos* | os2-emx* | rtmk-nova*) basic_machine=$field1 basic_os=$maybe_os ;; android-linux) basic_machine=$field1-unknown basic_os=linux-android ;; *) basic_machine=$field1-$field2 basic_os=$field3 ;; esac ;; *-*) # A lone config we happen to match not fitting any pattern case $field1-$field2 in decstation-3100) basic_machine=mips-dec basic_os= ;; *-*) # Second component is usually, but not always the OS case $field2 in # Prevent following clause from handling this valid os sun*os*) basic_machine=$field1 basic_os=$field2 ;; zephyr*) basic_machine=$field1-unknown basic_os=$field2 ;; # Manufacturers dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \ | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \ | unicom* | ibm* | next | hp | isi* | apollo | altos* \ | convergent* | ncr* | news | 32* | 3600* | 3100* \ | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \ | ultra | tti* | harris | dolphin | highlevel | gould \ | cbm | ns | masscomp | apple | axis | knuth | cray \ | microblaze* | sim | cisco \ | oki | wec | wrs | winbond) basic_machine=$field1-$field2 basic_os= ;; *) basic_machine=$field1 basic_os=$field2 ;; esac ;; esac ;; *) # Convert single-component short-hands not valid as part of # multi-component configurations. case $field1 in 386bsd) basic_machine=i386-pc basic_os=bsd ;; a29khif) basic_machine=a29k-amd basic_os=udi ;; adobe68k) basic_machine=m68010-adobe basic_os=scout ;; alliant) basic_machine=fx80-alliant basic_os= ;; altos | altos3068) basic_machine=m68k-altos basic_os= ;; am29k) basic_machine=a29k-none basic_os=bsd ;; amdahl) basic_machine=580-amdahl basic_os=sysv ;; amiga) basic_machine=m68k-unknown basic_os= ;; amigaos | amigados) basic_machine=m68k-unknown basic_os=amigaos ;; amigaunix | amix) basic_machine=m68k-unknown basic_os=sysv4 ;; apollo68) basic_machine=m68k-apollo basic_os=sysv ;; apollo68bsd) basic_machine=m68k-apollo basic_os=bsd ;; aros) basic_machine=i386-pc basic_os=aros ;; aux) basic_machine=m68k-apple basic_os=aux ;; balance) basic_machine=ns32k-sequent basic_os=dynix ;; blackfin) basic_machine=bfin-unknown basic_os=linux ;; 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It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. 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These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! 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" >&6; } LN_S=$as_ln_s if test "$LN_S" = "ln -s"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 printf "%s\n" "no, using $LN_S" >&6; } fi # find the maximum length of command line arguments { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 printf %s "checking the maximum length of command line arguments... " >&6; } if test ${lt_cv_sys_max_cmd_len+y} then : printf %s "(cached) " >&6 else $as_nop i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | msys* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[ ]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac fi if test -n "$lt_cv_sys_max_cmd_len"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 printf "%s\n" "$lt_cv_sys_max_cmd_len" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5 printf "%s\n" "none" >&6; } fi max_cmd_len=$lt_cv_sys_max_cmd_len : ${CP="cp -f"} : ${MV="mv -f"} : ${RM="rm -f"} if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then lt_unset=unset else lt_unset=false fi # test EBCDIC or ASCII case `echo X|tr X '\101'` in A) # ASCII based system # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr lt_SP2NL='tr \040 \012' lt_NL2SP='tr \015\012 \040\040' ;; *) # EBCDIC based system lt_SP2NL='tr \100 \n' lt_NL2SP='tr \r\n \100\100' ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 printf %s "checking how to convert $build file names to $host format... " >&6; } if test ${lt_cv_to_host_file_cmd+y} then : printf %s "(cached) " >&6 else $as_nop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 ;; *-*-cygwin* | *-*-msys* ) lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 ;; esac ;; *-*-cygwin* | *-*-msys* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin ;; *-*-cygwin* | *-*-msys* ) lt_cv_to_host_file_cmd=func_convert_file_noop ;; * ) # otherwise, assume *nix lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin ;; esac ;; * ) # unhandled hosts (and "normal" native builds) lt_cv_to_host_file_cmd=func_convert_file_noop ;; esac fi to_host_file_cmd=$lt_cv_to_host_file_cmd { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 printf "%s\n" "$lt_cv_to_host_file_cmd" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 printf %s "checking how to convert $build file names to toolchain format... " >&6; } if test ${lt_cv_to_tool_file_cmd+y} then : printf %s "(cached) " >&6 else $as_nop #assume ordinary cross tools, or native build. lt_cv_to_tool_file_cmd=func_convert_file_noop case $host in *-*-mingw* ) case $build in *-*-mingw* ) # actually msys lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 ;; esac ;; esac fi to_tool_file_cmd=$lt_cv_to_tool_file_cmd { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 printf "%s\n" "$lt_cv_to_tool_file_cmd" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 printf %s "checking for $LD option to reload object files... " >&6; } if test ${lt_cv_ld_reload_flag+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ld_reload_flag='-r' fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 printf "%s\n" "$lt_cv_ld_reload_flag" >&6; } reload_flag=$lt_cv_ld_reload_flag case $reload_flag in "" | " "*) ;; *) reload_flag=" $reload_flag" ;; esac reload_cmds='$LD$reload_flag -o $output$reload_objs' case $host_os in cygwin* | msys* | mingw* | pw32* | cegcc*) if test yes != "$GCC"; then reload_cmds=false fi ;; darwin*) if test yes = "$GCC"; then reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' else reload_cmds='$LD$reload_flag -o $output$reload_objs' fi ;; esac if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}file", so it can be a program name with args. set dummy ${ac_tool_prefix}file; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_FILECMD+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$FILECMD"; then ac_cv_prog_FILECMD="$FILECMD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_FILECMD="${ac_tool_prefix}file" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi FILECMD=$ac_cv_prog_FILECMD if test -n "$FILECMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $FILECMD" >&5 printf "%s\n" "$FILECMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_FILECMD"; then ac_ct_FILECMD=$FILECMD # Extract the first word of "file", so it can be a program name with args. set dummy file; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_FILECMD+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_FILECMD"; then ac_cv_prog_ac_ct_FILECMD="$ac_ct_FILECMD" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_FILECMD="file" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_FILECMD=$ac_cv_prog_ac_ct_FILECMD if test -n "$ac_ct_FILECMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_FILECMD" >&5 printf "%s\n" "$ac_ct_FILECMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_FILECMD" = x; then FILECMD=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac FILECMD=$ac_ct_FILECMD fi else FILECMD="$ac_cv_prog_FILECMD" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. set dummy ${ac_tool_prefix}objdump; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OBJDUMP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$OBJDUMP"; then ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OBJDUMP=$ac_cv_prog_OBJDUMP if test -n "$OBJDUMP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 printf "%s\n" "$OBJDUMP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OBJDUMP"; then ac_ct_OBJDUMP=$OBJDUMP # Extract the first word of "objdump", so it can be a program name with args. set dummy objdump; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OBJDUMP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_OBJDUMP"; then ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OBJDUMP="objdump" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP if test -n "$ac_ct_OBJDUMP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 printf "%s\n" "$ac_ct_OBJDUMP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OBJDUMP" = x; then OBJDUMP="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OBJDUMP=$ac_ct_OBJDUMP fi else OBJDUMP="$ac_cv_prog_OBJDUMP" fi test -z "$OBJDUMP" && OBJDUMP=objdump { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 printf %s "checking how to recognize dependent libraries... " >&6; } if test ${lt_cv_deplibs_check_method+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_file_magic_cmd='$MAGIC_CMD' lt_cv_file_magic_test_file= lt_cv_deplibs_check_method='unknown' # Need to set the preceding variable on all platforms that support # interlibrary dependencies. # 'none' -- dependencies not supported. # 'unknown' -- same as none, but documents that we really don't know. # 'pass_all' -- all dependencies passed with no checks. # 'test_compile' -- check by making test program. # 'file_magic [[regex]]' -- check by looking for files in library path # that responds to the $file_magic_cmd with a given extended regex. # If you have 'file' or equivalent on your system and you're not sure # whether 'pass_all' will *always* work, you probably want this one. case $host_os in aix[4-9]*) lt_cv_deplibs_check_method=pass_all ;; beos*) lt_cv_deplibs_check_method=pass_all ;; bsdi[45]*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' lt_cv_file_magic_cmd='$FILECMD -L' lt_cv_file_magic_test_file=/shlib/libc.so ;; cygwin* | msys*) # func_win32_libid is a shell function defined in ltmain.sh lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' ;; mingw* | pw32*) # Base MSYS/MinGW do not provide the 'file' command needed by # func_win32_libid shell function, so use a weaker test based on 'objdump', # unless we find 'file', for example because we are cross-compiling. if ( file / ) >/dev/null 2>&1; then lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' lt_cv_file_magic_cmd='func_win32_libid' else # Keep this pattern in sync with the one in func_win32_libid. lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64|coff-arm|coff-arm64|coff-i386|coff-x86-64)' lt_cv_file_magic_cmd='$OBJDUMP -f' fi ;; cegcc*) # use the weaker test based on 'objdump'. See mingw*. lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' lt_cv_file_magic_cmd='$OBJDUMP -f' ;; darwin* | rhapsody*) lt_cv_deplibs_check_method=pass_all ;; freebsd* | dragonfly* | midnightbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then case $host_cpu in i*86 ) # Not sure whether the presence of OpenBSD here was a mistake. # Let's accept both of them until this is cleared up. lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; haiku*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20* | hpux11*) lt_cv_file_magic_cmd=$FILECMD case $host_cpu in ia64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so ;; hppa*64*) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl ;; *) lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; esac ;; interix[3-9]*) # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' ;; irix5* | irix6* | nonstopux*) case $LD in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac lt_cv_deplibs_check_method=pass_all ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) lt_cv_deplibs_check_method=pass_all ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' fi ;; newos6*) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' lt_cv_file_magic_cmd=$FILECMD lt_cv_file_magic_test_file=/usr/lib/libnls.so ;; *nto* | *qnx*) lt_cv_deplibs_check_method=pass_all ;; openbsd* | bitrig*) if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' else lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' fi ;; osf3* | osf4* | osf5*) lt_cv_deplibs_check_method=pass_all ;; rdos*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) lt_cv_deplibs_check_method=pass_all ;; sysv4 | sysv4.3*) case $host_vendor in motorola) lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; ncr) lt_cv_deplibs_check_method=pass_all ;; sequent) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;; sni) lt_cv_file_magic_cmd='/bin/file' lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" lt_cv_file_magic_test_file=/lib/libc.so ;; siemens) lt_cv_deplibs_check_method=pass_all ;; pc) lt_cv_deplibs_check_method=pass_all ;; esac ;; tpf*) lt_cv_deplibs_check_method=pass_all ;; os2*) lt_cv_deplibs_check_method=pass_all ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 printf "%s\n" "$lt_cv_deplibs_check_method" >&6; } file_magic_glob= want_nocaseglob=no if test "$build" = "$host"; then case $host_os in mingw* | pw32*) if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then want_nocaseglob=yes else file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` fi ;; esac fi file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method test -z "$deplibs_check_method" && deplibs_check_method=unknown if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. set dummy ${ac_tool_prefix}dlltool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DLLTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$DLLTOOL"; then ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DLLTOOL=$ac_cv_prog_DLLTOOL if test -n "$DLLTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 printf "%s\n" "$DLLTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_DLLTOOL"; then ac_ct_DLLTOOL=$DLLTOOL # Extract the first word of "dlltool", so it can be a program name with args. set dummy dlltool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DLLTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_DLLTOOL"; then ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DLLTOOL="dlltool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL if test -n "$ac_ct_DLLTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 printf "%s\n" "$ac_ct_DLLTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_DLLTOOL" = x; then DLLTOOL="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DLLTOOL=$ac_ct_DLLTOOL fi else DLLTOOL="$ac_cv_prog_DLLTOOL" fi test -z "$DLLTOOL" && DLLTOOL=dlltool { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 printf %s "checking how to associate runtime and link libraries... " >&6; } if test ${lt_cv_sharedlib_from_linklib_cmd+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_sharedlib_from_linklib_cmd='unknown' case $host_os in cygwin* | msys* | mingw* | pw32* | cegcc*) # two different shell functions defined in ltmain.sh; # decide which one to use based on capabilities of $DLLTOOL case `$DLLTOOL --help 2>&1` in *--identify-strict*) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib ;; *) lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback ;; esac ;; *) # fallback: assume linklib IS sharedlib lt_cv_sharedlib_from_linklib_cmd=$ECHO ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; } sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO if test -n "$ac_tool_prefix"; then for ac_prog in ar do # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. set dummy $ac_tool_prefix$ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_AR+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$AR"; then ac_cv_prog_AR="$AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_AR="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi AR=$ac_cv_prog_AR if test -n "$AR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 printf "%s\n" "$AR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$AR" && break done fi if test -z "$AR"; then ac_ct_AR=$AR for ac_prog in ar do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_AR+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_AR"; then ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_AR="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_AR=$ac_cv_prog_ac_ct_AR if test -n "$ac_ct_AR"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 printf "%s\n" "$ac_ct_AR" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$ac_ct_AR" && break done if test "x$ac_ct_AR" = x; then AR="false" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac AR=$ac_ct_AR fi fi : ${AR=ar} # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because thats what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 printf %s "checking for archiver @FILE support... " >&6; } if test ${lt_cv_ar_at_file+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ar_at_file=no cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 (eval $lt_ar_try) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 printf "%s\n" "$lt_cv_ar_at_file" >&6; } if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. set dummy ${ac_tool_prefix}strip; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_STRIP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$STRIP"; then ac_cv_prog_STRIP="$STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_STRIP="${ac_tool_prefix}strip" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi STRIP=$ac_cv_prog_STRIP if test -n "$STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 printf "%s\n" "$STRIP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_STRIP"; then ac_ct_STRIP=$STRIP # Extract the first word of "strip", so it can be a program name with args. set dummy strip; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_STRIP+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_STRIP"; then ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_STRIP="strip" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP if test -n "$ac_ct_STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 printf "%s\n" "$ac_ct_STRIP" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_STRIP" = x; then STRIP=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac STRIP=$ac_ct_STRIP fi else STRIP="$ac_cv_prog_STRIP" fi test -z "$STRIP" && STRIP=: if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. set dummy ${ac_tool_prefix}ranlib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_RANLIB+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi RANLIB=$ac_cv_prog_RANLIB if test -n "$RANLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 printf "%s\n" "$RANLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_RANLIB"; then ac_ct_RANLIB=$RANLIB # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_RANLIB+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_RANLIB"; then ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_RANLIB="ranlib" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB if test -n "$ac_ct_RANLIB"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 printf "%s\n" "$ac_ct_RANLIB" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_RANLIB" = x; then RANLIB=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac RANLIB=$ac_ct_RANLIB fi else RANLIB="$ac_cv_prog_RANLIB" fi test -z "$RANLIB" && RANLIB=: # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Check for command to grab the raw symbol name followed by C symbol from nm. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 printf %s "checking command to parse $NM output from $compiler object... " >&6; } if test ${lt_cv_sys_global_symbol_pipe+y} then : printf %s "(cached) " >&6 else $as_nop # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[BCDT]' ;; cygwin* | msys* | mingw* | pw32* | cegcc*) symcode='[ABCDGISTW]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[ABCDEGRST]' fi ;; irix* | nonstopux*) symcode='[BCDEGRST]' ;; osf*) symcode='[BCDEGQRST]' ;; solaris*) symcode='[BDRT]' ;; sco3.2v5*) symcode='[DT]' ;; sysv4.2uw2*) symcode='[DT]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[ABDT]' ;; sysv4) symcode='[DFNSTU]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[ABCDGIRSTW]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK '"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then # Now try to grab the symbols. nlist=conftest.nm if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&5 fi else echo "cannot find nm_test_var in $nlist" >&5 fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 fi else echo "$progname: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done fi if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: failed" >&5 printf "%s\n" "failed" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5 printf "%s\n" "ok" >&6; } fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then nm_file_list_spec='@' fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 printf %s "checking for sysroot... " >&6; } # Check whether --with-sysroot was given. if test ${with_sysroot+y} then : withval=$with_sysroot; else $as_nop with_sysroot=no fi lt_sysroot= case $with_sysroot in #( yes) if test yes = "$GCC"; then lt_sysroot=`$CC --print-sysroot 2>/dev/null` fi ;; #( /*) lt_sysroot=`echo "$with_sysroot" | $SED -e "$sed_quote_subst"` ;; #( no|'') ;; #( *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 printf "%s\n" "$with_sysroot" >&6; } as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 printf "%s\n" "${lt_sysroot:-no}" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 printf %s "checking for a working dd... " >&6; } if test ${ac_cv_path_lt_DD+y} then : printf %s "(cached) " >&6 else $as_nop printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i : ${lt_DD:=$DD} if test -z "$lt_DD"; then ac_path_lt_DD_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in dd do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_lt_DD="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_lt_DD" || continue if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: fi $ac_path_lt_DD_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_lt_DD"; then : fi else ac_cv_path_lt_DD=$lt_DD fi rm -f conftest.i conftest2.i conftest.out fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 printf "%s\n" "$ac_cv_path_lt_DD" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 printf %s "checking how to truncate binary pipes... " >&6; } if test ${lt_cv_truncate_bin+y} then : printf %s "(cached) " >&6 else $as_nop printf 0123456789abcdef0123456789abcdef >conftest.i cat conftest.i conftest.i >conftest2.i lt_cv_truncate_bin= if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then cmp -s conftest.i conftest.out \ && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" fi rm -f conftest.i conftest2.i conftest.out test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 printf "%s\n" "$lt_cv_truncate_bin" >&6; } # Calculate cc_basename. Skip known compiler wrappers and cross-prefix. func_cc_basename () { for cc_temp in $*""; do case $cc_temp in compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; \-*) ;; *) break;; esac done func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` } # Check whether --enable-libtool-lock was given. if test ${enable_libtool_lock+y} then : enableval=$enable_libtool_lock; fi test no = "$enable_libtool_lock" || enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in ia64-*-hpux*) # Find out what ABI is being produced by ac_compile, and set mode # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.$ac_objext` in *ELF-32*) HPUX_IA64_MODE=32 ;; *ELF-64*) HPUX_IA64_MODE=64 ;; esac fi rm -rf conftest* ;; *-*-irix6*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then if test yes = "$lt_cv_prog_gnu_ld"; then case `$FILECMD conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -melf32bsmip" ;; *N32*) LD="${LD-ld} -melf32bmipn32" ;; *64-bit*) LD="${LD-ld} -melf64bmip" ;; esac else case `$FILECMD conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi fi rm -rf conftest* ;; mips64*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo '#line '$LINENO' "configure"' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then emul=elf case `$FILECMD conftest.$ac_objext` in *32-bit*) emul="${emul}32" ;; *64-bit*) emul="${emul}64" ;; esac case `$FILECMD conftest.$ac_objext` in *MSB*) emul="${emul}btsmip" ;; *LSB*) emul="${emul}ltsmip" ;; esac case `$FILECMD conftest.$ac_objext` in *N32*) emul="${emul}n32" ;; esac LD="${LD-ld} -m $emul" fi rm -rf conftest* ;; x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ s390*-*linux*|s390*-*tpf*|sparc*-*linux*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. Note that the listed cases only cover the # situations where additional linker options are needed (such as when # doing 32-bit compilation for a host where ld defaults to 64-bit, or # vice versa); the common cases where no linker options are needed do # not appear in the list. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.o` in *32-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_i386_fbsd" ;; x86_64-*linux*) case `$FILECMD conftest.o` in *x86-64*) LD="${LD-ld} -m elf32_x86_64" ;; *) LD="${LD-ld} -m elf_i386" ;; esac ;; powerpc64le-*linux*) LD="${LD-ld} -m elf32lppclinux" ;; powerpc64-*linux*) LD="${LD-ld} -m elf32ppclinux" ;; s390x-*linux*) LD="${LD-ld} -m elf_s390" ;; sparc64-*linux*) LD="${LD-ld} -m elf32_sparc" ;; esac ;; *64-bit*) case $host in x86_64-*kfreebsd*-gnu) LD="${LD-ld} -m elf_x86_64_fbsd" ;; x86_64-*linux*) LD="${LD-ld} -m elf_x86_64" ;; powerpcle-*linux*) LD="${LD-ld} -m elf64lppc" ;; powerpc-*linux*) LD="${LD-ld} -m elf64ppc" ;; s390*-*linux*|s390*-*tpf*) LD="${LD-ld} -m elf64_s390" ;; sparc*-*linux*) LD="${LD-ld} -m elf64_sparc" ;; esac ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -belf" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 printf %s "checking whether the C compiler needs -belf... " >&6; } if test ${lt_cv_cc_needs_belf+y} then : printf %s "(cached) " >&6 else $as_nop ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_cc_needs_belf=yes else $as_nop lt_cv_cc_needs_belf=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 printf "%s\n" "$lt_cv_cc_needs_belf" >&6; } if test yes != "$lt_cv_cc_needs_belf"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS=$SAVE_CFLAGS fi ;; *-*solaris*) # Find out what ABI is being produced by ac_compile, and set linker # options accordingly. echo 'int i;' > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then case `$FILECMD conftest.o` in *64-bit*) case $lt_cv_prog_gnu_ld in yes*) case $host in i?86-*-solaris*|x86_64-*-solaris*) LD="${LD-ld} -m elf_x86_64" ;; sparc*-*-solaris*) LD="${LD-ld} -m elf64_sparc" ;; esac # GNU ld 2.21 introduced _sol2 emulations. Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. set dummy ${ac_tool_prefix}mt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_MANIFEST_TOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$MANIFEST_TOOL"; then ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL if test -n "$MANIFEST_TOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 printf "%s\n" "$MANIFEST_TOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_MANIFEST_TOOL"; then ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL # Extract the first word of "mt", so it can be a program name with args. set dummy mt; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_MANIFEST_TOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_MANIFEST_TOOL"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL if test -n "$ac_ct_MANIFEST_TOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 printf "%s\n" "$ac_ct_MANIFEST_TOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_MANIFEST_TOOL" = x; then MANIFEST_TOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL fi else MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" fi test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 printf %s "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } if test ${lt_cv_path_mainfest_tool+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_path_mainfest_tool=no echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out cat conftest.err >&5 if $GREP 'Manifest Tool' conftest.out > /dev/null; then lt_cv_path_mainfest_tool=yes fi rm -f conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 printf "%s\n" "$lt_cv_path_mainfest_tool" >&6; } if test yes != "$lt_cv_path_mainfest_tool"; then MANIFEST_TOOL=: fi case $host_os in rhapsody* | darwin*) if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_DSYMUTIL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$DSYMUTIL"; then ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi DSYMUTIL=$ac_cv_prog_DSYMUTIL if test -n "$DSYMUTIL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 printf "%s\n" "$DSYMUTIL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_DSYMUTIL"; then ac_ct_DSYMUTIL=$DSYMUTIL # Extract the first word of "dsymutil", so it can be a program name with args. set dummy dsymutil; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_DSYMUTIL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_DSYMUTIL"; then ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL if test -n "$ac_ct_DSYMUTIL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 printf "%s\n" "$ac_ct_DSYMUTIL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_DSYMUTIL" = x; then DSYMUTIL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac DSYMUTIL=$ac_ct_DSYMUTIL fi else DSYMUTIL="$ac_cv_prog_DSYMUTIL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. set dummy ${ac_tool_prefix}nmedit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_NMEDIT+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$NMEDIT"; then ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi NMEDIT=$ac_cv_prog_NMEDIT if test -n "$NMEDIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 printf "%s\n" "$NMEDIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_NMEDIT"; then ac_ct_NMEDIT=$NMEDIT # Extract the first word of "nmedit", so it can be a program name with args. set dummy nmedit; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_NMEDIT+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_NMEDIT"; then ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_NMEDIT="nmedit" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT if test -n "$ac_ct_NMEDIT"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 printf "%s\n" "$ac_ct_NMEDIT" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_NMEDIT" = x; then NMEDIT=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac NMEDIT=$ac_ct_NMEDIT fi else NMEDIT="$ac_cv_prog_NMEDIT" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. set dummy ${ac_tool_prefix}lipo; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_LIPO+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$LIPO"; then ac_cv_prog_LIPO="$LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_LIPO="${ac_tool_prefix}lipo" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi LIPO=$ac_cv_prog_LIPO if test -n "$LIPO"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 printf "%s\n" "$LIPO" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_LIPO"; then ac_ct_LIPO=$LIPO # Extract the first word of "lipo", so it can be a program name with args. set dummy lipo; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_LIPO+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_LIPO"; then ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_LIPO="lipo" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO if test -n "$ac_ct_LIPO"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 printf "%s\n" "$ac_ct_LIPO" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_LIPO" = x; then LIPO=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac LIPO=$ac_ct_LIPO fi else LIPO="$ac_cv_prog_LIPO" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. set dummy ${ac_tool_prefix}otool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$OTOOL"; then ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL="${ac_tool_prefix}otool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL=$ac_cv_prog_OTOOL if test -n "$OTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 printf "%s\n" "$OTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL"; then ac_ct_OTOOL=$OTOOL # Extract the first word of "otool", so it can be a program name with args. set dummy otool; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OTOOL+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_OTOOL"; then ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL="otool" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL if test -n "$ac_ct_OTOOL"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 printf "%s\n" "$ac_ct_OTOOL" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OTOOL" = x; then OTOOL=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL=$ac_ct_OTOOL fi else OTOOL="$ac_cv_prog_OTOOL" fi if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. set dummy ${ac_tool_prefix}otool64; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_OTOOL64+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$OTOOL64"; then ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi OTOOL64=$ac_cv_prog_OTOOL64 if test -n "$OTOOL64"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 printf "%s\n" "$OTOOL64" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_OTOOL64"; then ac_ct_OTOOL64=$OTOOL64 # Extract the first word of "otool64", so it can be a program name with args. set dummy otool64; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_OTOOL64+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_OTOOL64"; then ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_OTOOL64="otool64" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 if test -n "$ac_ct_OTOOL64"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 printf "%s\n" "$ac_ct_OTOOL64" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_OTOOL64" = x; then OTOOL64=":" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac OTOOL64=$ac_ct_OTOOL64 fi else OTOOL64="$ac_cv_prog_OTOOL64" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 printf %s "checking for -single_module linker flag... " >&6; } if test ${lt_cv_apple_cc_single_mod+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_apple_cc_single_mod=no if test -z "$LT_MULTI_MODULE"; then # By default we will add the -single_module flag. You can override # by either setting the environment variable LT_MULTI_MODULE # non-empty at configure time, or by adding -multi_module to the # link flags. rm -rf libconftest.dylib* echo "int foo(void){return 1;}" > conftest.c echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c" >&5 $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ -dynamiclib -Wl,-single_module conftest.c 2>conftest.err _lt_result=$? # If there is a non-empty error log, and "single_module" # appears in it, assume the flag caused a linker warning if test -s conftest.err && $GREP single_module conftest.err; then cat conftest.err >&5 # Otherwise, if the output was created with a 0 exit code from # the compiler, it worked. elif test -f libconftest.dylib && test 0 = "$_lt_result"; then lt_cv_apple_cc_single_mod=yes else cat conftest.err >&5 fi rm -rf libconftest.dylib* rm -f conftest.* fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 printf %s "checking for -exported_symbols_list linker flag... " >&6; } if test ${lt_cv_ld_exported_symbols_list+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ld_exported_symbols_list=no save_LDFLAGS=$LDFLAGS echo "_main" > conftest.sym LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_ld_exported_symbols_list=yes else $as_nop lt_cv_ld_exported_symbols_list=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 printf %s "checking for -force_load linker flag... " >&6; } if test ${lt_cv_ld_force_load+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_ld_force_load=no cat > conftest.c << _LT_EOF int forced_loaded() { return 2;} _LT_EOF echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 echo "$AR $AR_FLAGS libconftest.a conftest.o" >&5 $AR $AR_FLAGS libconftest.a conftest.o 2>&5 echo "$RANLIB libconftest.a" >&5 $RANLIB libconftest.a 2>&5 cat > conftest.c << _LT_EOF int main() { return 0;} _LT_EOF echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err _lt_result=$? if test -s conftest.err && $GREP force_load conftest.err; then cat conftest.err >&5 elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then lt_cv_ld_force_load=yes else cat conftest.err >&5 fi rm -f conftest.err libconftest.a conftest conftest.c rm -rf conftest.dSYM fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 printf "%s\n" "$lt_cv_ld_force_load" >&6; } case $host_os in rhapsody* | darwin1.[012]) _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; darwin1.*) _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; darwin*) case $MACOSX_DEPLOYMENT_TARGET,$host in 10.[012],*|,*powerpc*-darwin[5-8]*) _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; *) _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; esac ;; esac if test yes = "$lt_cv_apple_cc_single_mod"; then _lt_dar_single_mod='$single_module' fi if test yes = "$lt_cv_ld_exported_symbols_list"; then _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' else _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' fi if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then _lt_dsymutil='~$DSYMUTIL $lib || :' else _lt_dsymutil= fi ;; esac # func_munge_path_list VARIABLE PATH # ----------------------------------- # VARIABLE is name of variable containing _space_ separated list of # directories to be munged by the contents of PATH, which is string # having a format: # "DIR[:DIR]:" # string "DIR[ DIR]" will be prepended to VARIABLE # ":DIR[:DIR]" # string "DIR[ DIR]" will be appended to VARIABLE # "DIRP[:DIRP]::[DIRA:]DIRA" # string "DIRP[ DIRP]" will be prepended to VARIABLE and string # "DIRA[ DIRA]" will be appended to VARIABLE # "DIR[:DIR]" # VARIABLE will be replaced by "DIR[ DIR]" func_munge_path_list () { case x$2 in x) ;; *:) eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" ;; x:*) eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" ;; *::*) eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" ;; *) eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" ;; esac } ac_header= ac_cache= for ac_item in $ac_header_c_list do if test $ac_cache; then ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default" if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then printf "%s\n" "#define $ac_item 1" >> confdefs.h fi ac_header= ac_cache= elif test $ac_header; then ac_cache=$ac_item else ac_header=$ac_item fi done if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes then : printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default " if test "x$ac_cv_header_dlfcn_h" = xyes then : printf "%s\n" "#define HAVE_DLFCN_H 1" >>confdefs.h fi # Set options enable_dlopen=no enable_win32_dll=no # Check whether --enable-shared was given. if test ${enable_shared+y} then : enableval=$enable_shared; p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop enable_shared=yes fi # Check whether --enable-static was given. if test ${enable_static+y} then : enableval=$enable_static; p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop enable_static=yes fi # Check whether --with-pic was given. if test ${with_pic+y} then : withval=$with_pic; lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop pic_mode=default fi # Check whether --enable-fast-install was given. if test ${enable_fast_install+y} then : enableval=$enable_fast_install; p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac else $as_nop enable_fast_install=yes fi shared_archive_member_spec= case $host,$enable_shared in power*-*-aix[5-9]*,yes) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 printf %s "checking which variant of shared library versioning to provide... " >&6; } # Check whether --with-aix-soname was given. if test ${with_aix_soname+y} then : withval=$with_aix_soname; case $withval in aix|svr4|both) ;; *) as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 ;; esac lt_cv_with_aix_soname=$with_aix_soname else $as_nop if test ${lt_cv_with_aix_soname+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_with_aix_soname=aix fi with_aix_soname=$lt_cv_with_aix_soname fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 printf "%s\n" "$with_aix_soname" >&6; } if test aix != "$with_aix_soname"; then # For the AIX way of multilib, we name the shared archive member # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, # the AIX toolchain works better with OBJECT_MODE set (default 32). if test 64 = "${OBJECT_MODE-32}"; then shared_archive_member_spec=shr_64 else shared_archive_member_spec=shr fi fi ;; *) with_aix_soname=aix ;; esac # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' test -z "$LN_S" && LN_S="ln -s" if test -n "${ZSH_VERSION+set}"; then setopt NO_GLOB_SUBST fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 printf %s "checking for objdir... " >&6; } if test ${lt_cv_objdir+y} then : printf %s "(cached) " >&6 else $as_nop rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then lt_cv_objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. lt_cv_objdir=_libs fi rmdir .libs 2>/dev/null fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 printf "%s\n" "$lt_cv_objdir" >&6; } objdir=$lt_cv_objdir printf "%s\n" "#define LT_OBJDIR \"$lt_cv_objdir/\"" >>confdefs.h case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test set != "${COLLECT_NAMES+set}"; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Global variables: ofile=libtool can_build_shared=yes # All known linkers require a '.a' archive for static linking (except MSVC and # ICC, which need '.lib'). libext=a with_gnu_ld=$lt_cv_prog_gnu_ld old_CC=$CC old_CFLAGS=$CFLAGS # Set sane defaults for various variables test -z "$CC" && CC=cc test -z "$LTCC" && LTCC=$CC test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS test -z "$LD" && LD=ld test -z "$ac_objext" && ac_objext=o func_cc_basename $compiler cc_basename=$func_cc_basename_result # Only perform the check for file, if the check method requires it test -z "$MAGIC_CMD" && MAGIC_CMD=file case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 printf %s "checking for ${ac_tool_prefix}file... " >&6; } if test ${lt_cv_path_MAGIC_CMD+y} then : printf %s "(cached) " >&6 else $as_nop case $MAGIC_CMD in [\\/*] | ?:[\\/]*) lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD=$MAGIC_CMD lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" for ac_dir in $ac_dummy; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/${ac_tool_prefix}file"; then lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" if test -n "$file_magic_test_file"; then case $deplibs_check_method in "file_magic "*) file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` MAGIC_CMD=$lt_cv_path_MAGIC_CMD if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | $EGREP "$file_magic_regex" > /dev/null; then : else cat <<_LT_EOF 1>&2 *** Warning: the command libtool uses to detect shared libraries, *** $file_magic_cmd, produces output that libtool cannot recognize. *** The result is that libtool may fail to recognize shared libraries *** as such. This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS=$lt_save_ifs MAGIC_CMD=$lt_save_MAGIC_CMD ;; esac fi MAGIC_CMD=$lt_cv_path_MAGIC_CMD if test -n "$MAGIC_CMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 printf "%s\n" "$MAGIC_CMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test -z "$lt_cv_path_MAGIC_CMD"; then if test -n "$ac_tool_prefix"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for file" >&5 printf %s "checking for file... " >&6; } if test ${lt_cv_path_MAGIC_CMD+y} then : printf %s "(cached) " >&6 else $as_nop case $MAGIC_CMD in [\\/*] | ?:[\\/]*) lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. ;; *) lt_save_MAGIC_CMD=$MAGIC_CMD lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" for ac_dir in $ac_dummy; do IFS=$lt_save_ifs test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/file"; then lt_cv_path_MAGIC_CMD=$ac_dir/"file" if test -n "$file_magic_test_file"; then case $deplibs_check_method in "file_magic "*) file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` MAGIC_CMD=$lt_cv_path_MAGIC_CMD if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | $EGREP "$file_magic_regex" > /dev/null; then : else cat <<_LT_EOF 1>&2 *** Warning: the command libtool uses to detect shared libraries, *** $file_magic_cmd, produces output that libtool cannot recognize. *** The result is that libtool may fail to recognize shared libraries *** as such. This will affect the creation of libtool libraries that *** depend on shared libraries, but programs linked with such libtool *** libraries will work regardless of this problem. Nevertheless, you *** may want to report the problem to your system manager and/or to *** bug-libtool@gnu.org _LT_EOF fi ;; esac fi break fi done IFS=$lt_save_ifs MAGIC_CMD=$lt_save_MAGIC_CMD ;; esac fi MAGIC_CMD=$lt_cv_path_MAGIC_CMD if test -n "$MAGIC_CMD"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 printf "%s\n" "$MAGIC_CMD" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi else MAGIC_CMD=: fi fi fi ;; esac # Use C for the default configuration in the libtool script lt_save_CC=$CC ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu # Source file extension for C test sources. ac_ext=c # Object file extension for compiled C test sources. objext=o objext=$objext # Code to be used in simple compile tests lt_simple_compile_test_code="int some_variable = 0;" # Code to be used in simple link tests lt_simple_link_test_code='int main(){return(0);}' # If no C compiler was specified, use CC. LTCC=${LTCC-"$CC"} # If no C compiler flags were specified, use CFLAGS. LTCFLAGS=${LTCFLAGS-"$CFLAGS"} # Allow CC to be a program name with arguments. compiler=$CC # Save the default compiler, since it gets overwritten when the other # tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. compiler_DEFAULT=$CC # save warnings/boilerplate of simple test code ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" >conftest.$ac_ext eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err _lt_compiler_boilerplate=`cat conftest.err` $RM conftest* ac_outfile=conftest.$ac_objext echo "$lt_simple_link_test_code" >conftest.$ac_ext eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err _lt_linker_boilerplate=`cat conftest.err` $RM -r conftest* ## CAVEAT EMPTOR: ## There is no encapsulation within the following macros, do not change ## the running order or otherwise move them around unless you know exactly ## what you are doing... if test -n "$compiler"; then lt_prog_compiler_no_builtin_flag= if test yes = "$GCC"; then case $cc_basename in nvcc*) lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; *) lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 printf %s "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } if test ${lt_cv_prog_compiler_rtti_exceptions+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_rtti_exceptions=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_rtti_exceptions=yes fi fi $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 printf "%s\n" "$lt_cv_prog_compiler_rtti_exceptions" >&6; } if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" else : fi fi lt_prog_compiler_wl= lt_prog_compiler_pic= lt_prog_compiler_static= if test yes = "$GCC"; then lt_prog_compiler_wl='-Wl,' lt_prog_compiler_static='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' fi lt_prog_compiler_pic='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support lt_prog_compiler_pic='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | msys* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. lt_prog_compiler_static= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) lt_prog_compiler_pic='-fPIC' ;; esac ;; interix[3-9]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. lt_prog_compiler_can_build_shared=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic=-Kconform_pic fi ;; *) lt_prog_compiler_pic='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 lt_prog_compiler_wl='-Xlinker ' if test -n "$lt_prog_compiler_pic"; then lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) lt_prog_compiler_wl='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor lt_prog_compiler_static='-Bstatic' else lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_prog_compiler_pic='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; esac ;; mingw* | cygwin* | msys* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_prog_compiler_pic='-DDLL_EXPORT' case $host_os in os2*) lt_prog_compiler_static='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) lt_prog_compiler_wl='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) lt_prog_compiler_pic='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? lt_prog_compiler_static='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) lt_prog_compiler_wl='-Wl,' # PIC (with -KPIC) is the default. lt_prog_compiler_static='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; # Lahey Fortran 8.1. lf95*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='--shared' lt_prog_compiler_static='--static' ;; nagfor*) # NAG Fortran compiler lt_prog_compiler_wl='-Wl,-Wl,,' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; ccc*) lt_prog_compiler_wl='-Wl,' # All Alpha code is PIC. lt_prog_compiler_static='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-qpic' lt_prog_compiler_static='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='' ;; *Sun\ F* | *Sun*Fortran*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' lt_prog_compiler_wl='-Wl,' ;; *Intel*\ [CF]*Compiler*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fPIC' lt_prog_compiler_static='-static' ;; *Portland\ Group*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-fpic' lt_prog_compiler_static='-Bstatic' ;; esac ;; esac ;; newsos6) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. lt_prog_compiler_pic='-fPIC -shared' ;; osf3* | osf4* | osf5*) lt_prog_compiler_wl='-Wl,' # All OSF/1 code is PIC. lt_prog_compiler_static='-non_shared' ;; rdos*) lt_prog_compiler_static='-non_shared' ;; solaris*) lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' case $cc_basename in f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) lt_prog_compiler_wl='-Qoption ld ';; *) lt_prog_compiler_wl='-Wl,';; esac ;; sunos4*) lt_prog_compiler_wl='-Qoption ld ' lt_prog_compiler_pic='-PIC' lt_prog_compiler_static='-Bstatic' ;; sysv4 | sysv4.2uw2* | sysv4.3*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec; then lt_prog_compiler_pic='-Kconform_pic' lt_prog_compiler_static='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_pic='-KPIC' lt_prog_compiler_static='-Bstatic' ;; unicos*) lt_prog_compiler_wl='-Wl,' lt_prog_compiler_can_build_shared=no ;; uts4*) lt_prog_compiler_pic='-pic' lt_prog_compiler_static='-Bstatic' ;; *) lt_prog_compiler_can_build_shared=no ;; esac fi case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) lt_prog_compiler_pic= ;; *) lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 printf %s "checking for $compiler option to produce PIC... " >&6; } if test ${lt_cv_prog_compiler_pic+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_pic=$lt_prog_compiler_pic fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; } lt_prog_compiler_pic=$lt_cv_prog_compiler_pic # # Check to make sure the PIC flag actually works. # if test -n "$lt_prog_compiler_pic"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } if test ${lt_cv_prog_compiler_pic_works+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_pic_works=no ac_outfile=conftest.$ac_objext echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_pic_works=yes fi fi $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; } if test yes = "$lt_cv_prog_compiler_pic_works"; then case $lt_prog_compiler_pic in "" | " "*) ;; *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; esac else lt_prog_compiler_pic= lt_prog_compiler_can_build_shared=no fi fi # # Check to make sure the static flag actually works. # wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } if test ${lt_cv_prog_compiler_static_works+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_static_works=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $lt_tmp_static_flag" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler_static_works=yes fi else lt_cv_prog_compiler_static_works=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; } if test yes = "$lt_cv_prog_compiler_static_works"; then : else lt_prog_compiler_static= fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; } if test ${lt_cv_prog_compiler_c_o+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_c_o=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then lt_cv_prog_compiler_c_o=yes fi fi chmod u+w . 2>&5 $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; } if test ${lt_cv_prog_compiler_c_o+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler_c_o=no $RM -r conftest 2>/dev/null mkdir conftest cd conftest mkdir out echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="-o out/conftest2.$ac_objext" # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then lt_cv_prog_compiler_c_o=yes fi fi chmod u+w . 2>&5 $RM conftest* # SGI C++ compiler will create directory out/ii_files/ for # template instantiation test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files $RM out/* && rmdir out cd .. $RM -r conftest $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; } hard_links=nottested if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then # do not overwrite the value of need_locks provided by the user { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 printf %s "checking if we can lock with hard links... " >&6; } hard_links=yes $RM conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 printf "%s\n" "$hard_links" >&6; } if test no = "$hard_links"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 printf "%s\n" "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} need_locks=warn fi else need_locks=no fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 printf %s "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } runpath_var= allow_undefined_flag= always_export_symbols=no archive_cmds= archive_expsym_cmds= compiler_needs_object=no enable_shared_with_static_runtimes=no export_dynamic_flag_spec= export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' hardcode_automatic=no hardcode_direct=no hardcode_direct_absolute=no hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_minus_L=no hardcode_shlibpath_var=unsupported inherit_rpath=no link_all_deplibs=unknown module_cmds= module_expsym_cmds= old_archive_from_new_cmds= old_archive_from_expsyms_cmds= thread_safe_flag_spec= whole_archive_flag_spec= # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list include_expsyms= # exclude_expsyms can be an extended regexp of symbols to exclude # it will be wrapped by ' (' and ')$', so one must not match beginning or # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', # as well as any symbol that contains 'd'. exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out # platforms (ab)use it in PIC code, but their linkers get confused if # the symbol is explicitly referenced. Since portable code cannot # rely on this symbol name, it's probably fine to never include it in # preloaded symbol tables. # Exclude shared library initialization/finalization symbols. extract_expsyms_cmds= case $host_os in cygwin* | msys* | mingw* | pw32* | cegcc*) # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using # Microsoft Visual C++ or Intel C++ Compiler. if test yes != "$GCC"; then with_gnu_ld=no fi ;; interix*) # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC) with_gnu_ld=yes ;; openbsd* | bitrig*) with_gnu_ld=no ;; esac ld_shlibs=yes # On some targets, GNU ld is compatible enough with the native linker # that we're better off using the native interface for both. lt_use_gnu_ld_interface=no if test yes = "$with_gnu_ld"; then case $host_os in aix*) # The AIX port of GNU ld has always aspired to compatibility # with the native linker. However, as the warning in the GNU ld # block says, versions before 2.19.5* couldn't really create working # shared libraries, regardless of the interface used. case `$LD -v 2>&1` in *\ \(GNU\ Binutils\)\ 2.19.5*) ;; *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; *\ \(GNU\ Binutils\)\ [3-9]*) ;; *) lt_use_gnu_ld_interface=yes ;; esac ;; *) lt_use_gnu_ld_interface=yes ;; esac fi if test yes = "$lt_use_gnu_ld_interface"; then # If archive_cmds runs LD, not CC, wlarc should be empty wlarc='$wl' # Set some defaults for GNU ld with shared library support. These # are reset later if shared libraries are not supported. 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The following line is correct: shared_flag='-G' else if test yes = "$aix_use_runtimelinking"; then shared_flag='$wl-G' else shared_flag='$wl-bM:SRE' fi shared_flag_aix='$wl-bM:SRE' shared_flag_svr4='$wl-G' fi fi export_dynamic_flag_spec='$wl-bexpall' # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. always_export_symbols=yes if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if test ${lt_cv_aix_libpath_+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag else if test ia64 = "$host_cpu"; then hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an # empty executable. if test set = "${lt_cv_aix_libpath+set}"; then aix_libpath=$lt_cv_aix_libpath else if test ${lt_cv_aix_libpath_+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_aix_libpath_sed=' /Import File Strings/,/^$/ { /^0/ { s/^0 *\([^ ]*\) *$/\1/ p } }' lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` # Check for a 64-bit object if we didn't find anything. if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$lt_cv_aix_libpath_"; then lt_cv_aix_libpath_=/usr/lib:/lib fi fi aix_libpath=$lt_cv_aix_libpath_ fi hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. no_undefined_flag=' $wl-bernotok' allow_undefined_flag=' $wl-berok' if test yes = "$with_gnu_ld"; then # We only use this code for GNU lds that support --whole-archive. whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' else # Exported symbols can be pulled into shared objects from archives whole_archive_flag_spec='$convenience' fi archive_cmds_need_lc=yes archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' # -brtl affects multiple linker settings, -berok does not and is overridden later compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' if test svr4 != "$with_aix_soname"; then # This is similar to how AIX traditionally builds its shared libraries. archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' fi if test aix != "$with_aix_soname"; then archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' else # used by -dlpreopen to get the symbols archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' fi archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' archive_expsym_cmds='' ;; m68k) archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes ;; esac ;; bsdi[45]*) export_dynamic_flag_spec=-rdynamic ;; cygwin* | msys* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++ or Intel C++ Compiler. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl* | icl*) # Native MSVC or ICC hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported always_export_symbols=yes file_list_spec='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then cp "$export_symbols" "$output_objdir/$soname.def"; echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; else $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, )='true' enable_shared_with_static_runtimes=yes exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib old_postinstall_cmds='chmod 644 $oldlib' postlink_cmds='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile=$lt_outputfile.exe lt_tool_outputfile=$lt_tool_outputfile.exe ;; esac~ if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC and ICC wrapper hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' enable_shared_with_static_runtimes=yes ;; esac ;; darwin* | rhapsody*) archive_cmds_need_lc=no hardcode_direct=no hardcode_automatic=yes hardcode_shlibpath_var=unsupported if test yes = "$lt_cv_ld_force_load"; then whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' else whole_archive_flag_spec='' fi link_all_deplibs=yes allow_undefined_flag=$_lt_dar_allow_undefined case $cc_basename in ifort*|nagfor*) _lt_dar_can_shared=yes ;; *) _lt_dar_can_shared=$GCC ;; esac if test yes = "$_lt_dar_can_shared"; then output_verbose_link_cmd=func_echo_all archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" archive_expsym_cmds="$SED 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" module_expsym_cmds="$SED -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" else ld_shlibs=no fi ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2.*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly* | midnightbsd*) archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; hpux9*) if test yes = "$GCC"; then archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' else archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' fi hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: hardcode_direct=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes export_dynamic_flag_spec='$wl-E' ;; hpux10*) if test yes,no = "$GCC,$with_gnu_ld"; then archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes fi ;; hpux11*) if test yes,no = "$GCC,$with_gnu_ld"; then case $host_cpu in hppa*64*) archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) # Older versions of the 11.00 compiler do not understand -b yet # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 printf %s "checking if $CC understands -b... " >&6; } if test ${lt_cv_prog_compiler__b+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_prog_compiler__b=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -b" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&5 $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then lt_cv_prog_compiler__b=yes fi else lt_cv_prog_compiler__b=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 printf "%s\n" "$lt_cv_prog_compiler__b" >&6; } if test yes = "$lt_cv_prog_compiler__b"; then archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi ;; esac fi if test no = "$with_gnu_ld"; then hardcode_libdir_flag_spec='$wl+b $wl$libdir' hardcode_libdir_separator=: case $host_cpu in hppa*64*|ia64*) hardcode_direct=no hardcode_shlibpath_var=no ;; *) hardcode_direct=yes hardcode_direct_absolute=yes export_dynamic_flag_spec='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. hardcode_minus_L=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test yes = "$GCC"; then archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 printf %s "checking whether the $host_os linker accepts -exported_symbol... " >&6; } if test ${lt_cv_irix_exported_symbol+y} then : printf %s "(cached) " >&6 else $as_nop save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo (void) { return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : lt_cv_irix_exported_symbol=yes else $as_nop lt_cv_irix_exported_symbol=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 printf "%s\n" "$lt_cv_irix_exported_symbol" >&6; } if test yes = "$lt_cv_irix_exported_symbol"; then archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' fi else archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: inherit_rpath=yes link_all_deplibs=yes ;; linux*) case $cc_basename in tcc*) # Fabrice Bellard et al's Tiny C Compiler ld_shlibs=yes archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' ;; esac ;; netbsd*) if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; newsos6) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: hardcode_shlibpath_var=no ;; *nto* | *qnx*) ;; openbsd* | bitrig*) if test -f /usr/libexec/ld.so; then hardcode_direct=yes hardcode_shlibpath_var=no hardcode_direct_absolute=yes if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' hardcode_libdir_flag_spec='$wl-rpath,$libdir' export_dynamic_flag_spec='$wl-E' else archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' hardcode_libdir_flag_spec='$wl-rpath,$libdir' fi else ld_shlibs=no fi ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported shrext_cmds=.dll archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' enable_shared_with_static_runtimes=yes file_list_spec='@' ;; osf3*) if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi archive_cmds_need_lc='no' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then allow_undefined_flag=' $wl-expect_unresolved $wl\*' archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly hardcode_libdir_flag_spec='-rpath $libdir' fi archive_cmds_need_lc='no' hardcode_libdir_separator=: ;; solaris*) no_undefined_flag=' -z defs' if test yes = "$GCC"; then wlarc='$wl' archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case $host_os in solaris2.[0-5] | solaris2.[0-5].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else whole_archive_flag_spec='-z allextract$convenience -z defaultextract' fi ;; esac link_all_deplibs=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) case $host_vendor in sni) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' reload_cmds='$CC -r -o $output$reload_objs' hardcode_direct=no ;; motorola) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) no_undefined_flag='$wl-z,text' archive_cmds_need_lc=no hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. no_undefined_flag='$wl-z,text' allow_undefined_flag='$wl-z,nodefs' archive_cmds_need_lc=no hardcode_shlibpath_var=no hardcode_libdir_flag_spec='$wl-R,$libdir' hardcode_libdir_separator=':' link_all_deplibs=yes export_dynamic_flag_spec='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; *) ld_shlibs=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) export_dynamic_flag_spec='$wl-Blargedynsym' ;; esac fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 printf "%s\n" "$ld_shlibs" >&6; } test no = "$ld_shlibs" && can_build_shared=no with_gnu_ld=$with_gnu_ld # # Do we need to explicitly link libc? # case "x$archive_cmds_need_lc" in x|xyes) # Assume -lc should be added archive_cmds_need_lc=yes if test yes,yes = "$GCC,$enable_shared"; then case $archive_cmds in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 printf %s "checking whether -lc should be explicitly linked in... " >&6; } if test ${lt_cv_archive_cmds_need_lc+y} then : printf %s "(cached) " >&6 else $as_nop $RM conftest* echo "$lt_simple_compile_test_code" > conftest.$ac_ext if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 (eval $ac_compile) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } 2>conftest.err; then soname=conftest lib=conftest libobjs=conftest.$ac_objext deplibs= wl=$lt_prog_compiler_wl pic_flag=$lt_prog_compiler_pic compiler_flags=-v linker_flags=-v verstring= output_objdir=. libname=conftest lt_save_allow_undefined_flag=$allow_undefined_flag allow_undefined_flag= if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } then lt_cv_archive_cmds_need_lc=no else lt_cv_archive_cmds_need_lc=yes fi allow_undefined_flag=$lt_save_allow_undefined_flag else cat conftest.err 1>&5 fi $RM conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 printf "%s\n" "$lt_cv_archive_cmds_need_lc" >&6; } archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc ;; esac fi ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 printf %s "checking dynamic linker characteristics... " >&6; } if test yes = "$GCC"; then case $host_os in darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; *) lt_awk_arg='/^libraries:/' ;; esac case $host_os in mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; *) lt_sed_strip_eq='s|=/|/|g' ;; esac lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` case $lt_search_path_spec in *\;*) # if the path contains ";" then we assume it to be the separator # otherwise default to the standard path separator (i.e. ":") - it is # assumed that no part of a normal pathname contains ";" but that should # okay in the real world where ";" in dirpaths is itself problematic. lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` ;; *) lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` ;; esac # Ok, now we have the path, separated by spaces, we can step through it # and add multilib dir if necessary... lt_tmp_lt_search_path_spec= lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` # ...but if some path component already ends with the multilib dir we assume # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). case "$lt_multi_os_dir; $lt_search_path_spec " in "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) lt_multi_os_dir= ;; esac for lt_sys_path in $lt_search_path_spec; do if test -d "$lt_sys_path$lt_multi_os_dir"; then lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" elif test -n "$lt_multi_os_dir"; then test -d "$lt_sys_path" && \ lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" fi done lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' BEGIN {RS = " "; FS = "/|\n";} { lt_foo = ""; lt_count = 0; for (lt_i = NF; lt_i > 0; lt_i--) { if ($lt_i != "" && $lt_i != ".") { if ($lt_i == "..") { lt_count++; } else { if (lt_count == 0) { lt_foo = "/" $lt_i lt_foo; } else { lt_count--; } } } } if (lt_foo != "") { lt_freq[lt_foo]++; } if (lt_freq[lt_foo] == 1) { print lt_foo; } }'` # AWK program above erroneously prepends '/' to C:/dos/paths # for these hosts. case $host_os in mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ $SED 's|/\([A-Za-z]:\)|\1|g'` ;; esac sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` else sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" fi library_names_spec= libname_spec='lib$name' soname_spec= shrext_cmds=.so postinstall_cmds= postuninstall_cmds= finish_cmds= finish_eval= shlibpath_var= shlibpath_overrides_runpath=unknown version_type=none dynamic_linker="$host_os ld.so" sys_lib_dlsearch_path_spec="/lib /usr/lib" need_lib_prefix=unknown hardcode_into_libs=no # when you set need_version to no, make sure it does not cause -set_version # flags to be left without arguments need_version=unknown case $host_os in aix3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname.a' shlibpath_var=LIBPATH # AIX 3 has no versioning support, so we append a major version to the name. soname_spec='$libname$release$shared_ext$major' ;; aix[4-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no hardcode_into_libs=yes if test ia64 = "$host_cpu"; then # AIX 5 supports IA64 library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH else # With GCC up to 2.95.x, collect2 would create an import file # for dependence libraries. The import file would start with # the line '#! .'. This would cause the generated library to # depend on '.', always an invalid library. This was fixed in # development snapshots of GCC prior to 3.0. case $host_os in aix4 | aix4.[01] | aix4.[01].*) if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' echo ' yes ' echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then : else can_build_shared=no fi ;; esac # Using Import Files as archive members, it is possible to support # filename-based versioning of shared library archives on AIX. While # this would work for both with and without runtime linking, it will # prevent static linking of such archives. So we do filename-based # shared library versioning with .so extension only, which is used # when both runtime linking and shared linking is enabled. # Unfortunately, runtime linking may impact performance, so we do # not want this to be the default eventually. Also, we use the # versioned .so libs for executables only if there is the -brtl # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. # To allow for filename-based versioning support, we need to create # libNAME.so.V as an archive file, containing: # *) an Import File, referring to the versioned filename of the # archive as well as the shared archive member, telling the # bitwidth (32 or 64) of that shared object, and providing the # list of exported symbols of that shared object, eventually # decorated with the 'weak' keyword # *) the shared object with the F_LOADONLY flag set, to really avoid # it being seen by the linker. # At run time we better use the real file rather than another symlink, # but for link time we create the symlink libNAME.so -> libNAME.so.V case $with_aix_soname,$aix_use_runtimelinking in # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct # soname into executable. Probably we can add versioning support to # collect2, so additional links can be useful in future. aix,yes) # traditional libtool dynamic_linker='AIX unversionable lib.so' # If using run time linking (on AIX 4.2 or later) use lib.so # instead of lib.a to let people know that these are not # typical AIX shared libraries. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; aix,no) # traditional AIX only dynamic_linker='AIX lib.a(lib.so.V)' # We preserve .a as extension for shared libraries through AIX4.2 # and later when we are not doing run time linking. library_names_spec='$libname$release.a $libname.a' soname_spec='$libname$release$shared_ext$major' ;; svr4,*) # full svr4 only dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' # We do not specify a path in Import Files, so LIBPATH fires. shlibpath_overrides_runpath=yes ;; *,yes) # both, prefer svr4 dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' # unpreferred sharedlib libNAME.a needs extra handling postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' # We do not specify a path in Import Files, so LIBPATH fires. shlibpath_overrides_runpath=yes ;; *,no) # both, prefer aix dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" library_names_spec='$libname$release.a $libname.a' soname_spec='$libname$release$shared_ext$major' # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' ;; esac shlibpath_var=LIBPATH fi ;; amigaos*) case $host_cpu in powerpc) # Since July 2007 AmigaOS4 officially supports .so libraries. # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' ;; m68k) library_names_spec='$libname.ixlibrary $libname.a' # Create ${libname}_ixlibrary.a entries in /sys/libs. finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' ;; esac ;; beos*) library_names_spec='$libname$shared_ext' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH ;; bsdi[45]*) version_type=linux # correct to gnu/linux during the next big refactor need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; cygwin* | msys* | mingw* | pw32* | cegcc*) version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no case $GCC,$cc_basename in yes,*) # gcc library_names_spec='$libname.dll.a' # DLL is installed to $(libdir)/../bin by postinstall_cmds postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' shlibpath_overrides_runpath=yes case $host_os in cygwin* | msys*) # Cygwin DLLs use 'cyg' prefix rather than 'lib' soname_spec='`echo $libname | $SED -e 's/^lib/msys-/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" ;; mingw* | cegcc*) # MinGW DLLs use traditional 'lib' prefix soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' ;; pw32*) # pw32 DLLs use 'pw' prefix rather than 'lib' library_names_spec='`echo $libname | $SED -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' ;; esac dynamic_linker='Win32 ld.exe' ;; *,cl* | *,icl*) # Native MSVC or ICC libname_spec='$name' soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' library_names_spec='$libname.dll.lib' case $build_os in mingw*) sys_lib_search_path_spec= lt_save_ifs=$IFS IFS=';' for lt_path in $LIB do IFS=$lt_save_ifs # Let DOS variable expansion print the short 8.3 style file name. lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" done IFS=$lt_save_ifs # Convert to MSYS style. sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` ;; cygwin* | msys*) # Convert to unix form, then to dos form, then back to unix form # but this time dos style (no spaces!) so that the unix form looks # like /cygdrive/c/PROGRA~1:/cygdr... sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` ;; *) sys_lib_search_path_spec=$LIB if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then # It is most probably a Windows format PATH. sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` else sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` fi # FIXME: find the short name or the path components, as spaces are # common. (e.g. "Program Files" -> "PROGRA~1") ;; esac # DLL is installed to $(libdir)/../bin by postinstall_cmds postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' shlibpath_overrides_runpath=yes dynamic_linker='Win32 link.exe' ;; *) # Assume MSVC and ICC wrapper library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib' dynamic_linker='Win32 ld.exe' ;; esac # FIXME: first we should search . and the directory the executable is in shlibpath_var=PATH ;; darwin* | rhapsody*) dynamic_linker="$host_os dyld" version_type=darwin need_lib_prefix=no need_version=no library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' soname_spec='$libname$release$major$shared_ext' shlibpath_overrides_runpath=yes shlibpath_var=DYLD_LIBRARY_PATH shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' ;; dgux*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; freebsd* | dragonfly* | midnightbsd*) # DragonFly does not have aout. When/if they implement a new # versioning mechanism, adjust this. if test -x /usr/bin/objformat; then objformat=`/usr/bin/objformat` else case $host_os in freebsd[23].*) objformat=aout ;; *) objformat=elf ;; esac fi version_type=freebsd-$objformat case $version_type in freebsd-elf*) library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' need_version=no need_lib_prefix=no ;; freebsd-*) library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' need_version=yes ;; esac shlibpath_var=LD_LIBRARY_PATH case $host_os in freebsd2.*) shlibpath_overrides_runpath=yes ;; freebsd3.[01]* | freebsdelf3.[01]*) shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; *) # from 4.6 on, and DragonFly shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[3-9]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. hardcode_libdir_flag_spec='-L$libdir' ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH if test ${lt_cv_shlibpath_overrides_runpath+y} then : printf %s "(cached) " >&6 else $as_nop lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null then : lt_cv_shlibpath_overrides_runpath=yes fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LDFLAGS=$save_LDFLAGS libdir=$save_libdir fi shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Ideally, we could use ldconfig to report *all* directores which are # searched for libraries, however this is still not possible. Aside from not # being certain /sbin/ldconfig is available, command # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, # even though it is searched at run-time. Try to do the best guess by # appending ld.so.conf contents (and includes) to the search path. if test -f /etc/ld.so.conf; then lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" fi # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsd*) version_type=sunos need_lib_prefix=no need_version=no if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; newsos6) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; *nto* | *qnx*) version_type=qnx need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes dynamic_linker='ldqnx.so' ;; openbsd* | bitrig*) version_type=sunos sys_lib_dlsearch_path_spec=/usr/lib need_lib_prefix=no if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then need_version=no else need_version=yes fi library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes ;; os2*) libname_spec='$name' version_type=windows shrext_cmds=.dll need_version=no need_lib_prefix=no # OS/2 can only load a DLL with a base name of 8 characters or less. soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; v=$($ECHO $release$versuffix | tr -d .-); n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); $ECHO $n$v`$shared_ext' library_names_spec='${libname}_dll.$libext' dynamic_linker='OS/2 ld.exe' shlibpath_var=BEGINLIBPATH sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec postinstall_cmds='base_file=`basename \$file`~ dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ dldir=$destdir/`dirname \$dlpath`~ test -d \$dldir || mkdir -p \$dldir~ $install_prog $dir/$dlname \$dldir/$dlname~ chmod a+x \$dldir/$dlname~ if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; fi' postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ dlpath=$dir/\$dldll~ $RM \$dlpath' ;; osf3* | osf4* | osf5*) version_type=osf need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; rdos*) dynamic_linker=no ;; solaris*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test yes = "$with_gnu_ld"; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.3*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH case $host_vendor in sni) shlibpath_overrides_runpath=no need_lib_prefix=no runpath_var=LD_RUN_PATH ;; siemens) need_lib_prefix=no ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; sysv4*MP*) if test -d /usr/nec; then version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' soname_spec='$libname$shared_ext.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) version_type=sco need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes if test yes = "$with_gnu_ld"; then sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' else sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' case $host_os in sco3.2v5*) sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" ;; esac fi sys_lib_dlsearch_path_spec='/usr/lib' ;; tpf*) # TPF is a cross-target only. Preferred cross-host = GNU/Linux. version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; uts4*) version_type=linux # correct to gnu/linux during the next big refactor library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LD_LIBRARY_PATH ;; *) dynamic_linker=no ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 printf "%s\n" "$dynamic_linker" >&6; } test no = "$dynamic_linker" && can_build_shared=no variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test yes = "$GCC"; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec fi if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec fi # remember unaugmented sys_lib_dlsearch_path content for libtool script decls... configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec # ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" # to be used as default LT_SYS_LIBRARY_PATH value in generated libtool configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 printf %s "checking how to hardcode library paths into programs... " >&6; } hardcode_action= if test -n "$hardcode_libdir_flag_spec" || test -n "$runpath_var" || test yes = "$hardcode_automatic"; then # We can hardcode non-existent directories. if test no != "$hardcode_direct" && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && test no != "$hardcode_minus_L"; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 printf "%s\n" "$hardcode_action" >&6; } if test relink = "$hardcode_action" || test yes = "$inherit_rpath"; then # Fast installation is not supported enable_fast_install=no elif test yes = "$shlibpath_overrides_runpath" || test no = "$enable_shared"; then # Fast installation is not necessary enable_fast_install=needless fi if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin* | msys*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dlopen (); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else $as_nop ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else $as_nop lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes fi ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" if test "x$ac_cv_func_shl_load" = xyes then : lt_cv_dlopen=shl_load else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 printf %s "checking for shl_load in -ldld... " >&6; } if test ${ac_cv_lib_dld_shl_load+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char shl_load (); int main (void) { return shl_load (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dld_shl_load=yes else $as_nop ac_cv_lib_dld_shl_load=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; } if test "x$ac_cv_lib_dld_shl_load" = xyes then : lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld else $as_nop ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" if test "x$ac_cv_func_dlopen" = xyes then : lt_cv_dlopen=dlopen else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 printf %s "checking for dlopen in -ldl... " >&6; } if test ${ac_cv_lib_dl_dlopen+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dlopen (); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dl_dlopen=yes else $as_nop ac_cv_lib_dl_dlopen=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; } if test "x$ac_cv_lib_dl_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 printf %s "checking for dlopen in -lsvld... " >&6; } if test ${ac_cv_lib_svld_dlopen+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lsvld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dlopen (); int main (void) { return dlopen (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_svld_dlopen=yes else $as_nop ac_cv_lib_svld_dlopen=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 printf "%s\n" "$ac_cv_lib_svld_dlopen" >&6; } if test "x$ac_cv_lib_svld_dlopen" = xyes then : lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 printf %s "checking for dld_link in -ldld... " >&6; } if test ${ac_cv_lib_dld_dld_link+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ldld $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char dld_link (); int main (void) { return dld_link (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_dld_dld_link=yes else $as_nop ac_cv_lib_dld_dld_link=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 printf "%s\n" "$ac_cv_lib_dld_dld_link" >&6; } if test "x$ac_cv_lib_dld_dld_link" = xyes then : lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld fi fi fi fi fi fi ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 printf %s "checking whether a program can dlopen itself... " >&6; } if test ${lt_cv_dlopen_self+y} then : printf %s "(cached) " >&6 else $as_nop if test yes = "$cross_compiling"; then : lt_cv_dlopen_self=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; esac else : # compilation failed lt_cv_dlopen_self=no fi fi rm -fr conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 printf "%s\n" "$lt_cv_dlopen_self" >&6; } if test yes = "$lt_cv_dlopen_self"; then wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 printf %s "checking whether a statically linked program can dlopen itself... " >&6; } if test ${lt_cv_dlopen_self_static+y} then : printf %s "(cached) " >&6 else $as_nop if test yes = "$cross_compiling"; then : lt_cv_dlopen_self_static=cross else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF #line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; } _LT_EOF if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 (eval $ac_link) 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&5 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; esac else : # compilation failed lt_cv_dlopen_self_static=no fi fi rm -fr conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 printf "%s\n" "$lt_cv_dlopen_self_static" >&6; } fi CPPFLAGS=$save_CPPFLAGS LDFLAGS=$save_LDFLAGS LIBS=$save_LIBS ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi striplib= old_striplib= { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 printf %s "checking whether stripping libraries is possible... " >&6; } if test -z "$STRIP"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } else if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else case $host_os in darwin*) # FIXME - insert some real tests, host_os isn't really good enough striplib="$STRIP -x" old_striplib="$STRIP -S" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } ;; freebsd*) if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then old_striplib="$STRIP --strip-debug" striplib="$STRIP --strip-unneeded" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } ;; esac fi fi # Report what library types will actually be built { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 printf %s "checking if libtool supports shared libraries... " >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 printf "%s\n" "$can_build_shared" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 printf %s "checking whether to build shared libraries... " >&6; } test no = "$can_build_shared" && enable_shared=no # On AIX, shared libraries and static libraries use the same namespace, and # are all built from PIC. case $host_os in aix3*) test yes = "$enable_shared" && enable_static=no if test -n "$RANLIB"; then archive_cmds="$archive_cmds~\$RANLIB \$lib" postinstall_cmds='$RANLIB $lib' fi ;; aix[4-9]*) if test ia64 != "$host_cpu"; then case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in yes,aix,yes) ;; # shared object as lib.so file only yes,svr4,*) ;; # shared object as lib.so archive member only yes,*) enable_static=no ;; # shared object in lib.a archive as well esac fi ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 printf "%s\n" "$enable_shared" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 printf %s "checking whether to build static libraries... " >&6; } # Make sure either enable_shared or enable_static is yes. test yes = "$enable_shared" || enable_static=yes { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 printf "%s\n" "$enable_static" >&6; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu CC=$lt_save_CC ac_config_commands="$ac_config_commands libtool" # Only expand once: ac_config_headers="$ac_config_headers config.h" # Checks for programs. ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. set dummy ${ac_tool_prefix}gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ac_ct_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ac_ct_CC"; then ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ac_ct_CC="gcc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi ac_ct_CC=$ac_cv_prog_ac_ct_CC if test -n "$ac_ct_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 printf "%s\n" "$ac_ct_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test "x$ac_ct_CC" = x; then CC="" else case $cross_compiling:$ac_tool_warned in yes:) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} ac_tool_warned=yes ;; esac CC=$ac_ct_CC fi else CC="$ac_cv_prog_CC" fi if test -z "$CC"; then if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. set dummy ${ac_tool_prefix}cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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"no acceptable C compiler found in \$PATH See \`config.log' for more details" "$LINENO" 5; } # Provide some information about the compiler. printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 set X $ac_compile ac_compiler=$2 for ac_option in --version -v -V -qversion -version; do { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" printf "%s\n" "$ac_try_echo"; } >&5 (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? if test -s conftest.err; then sed '10a\ ... rest of stderr output deleted ... 10q' conftest.err >conftest.er1 cat conftest.er1 >&5 fi rm -f conftest.er1 conftest.err printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } done { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5 printf %s "checking whether the compiler supports GNU C... " >&6; } if test ${ac_cv_c_compiler_gnu+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { #ifndef __GNUC__ choke me #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_compiler_gnu=yes else $as_nop ac_compiler_gnu=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_cv_c_compiler_gnu=$ac_compiler_gnu fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; } ac_compiler_gnu=$ac_cv_c_compiler_gnu if test $ac_compiler_gnu = yes; then GCC=yes else GCC= fi ac_test_CFLAGS=${CFLAGS+y} ac_save_CFLAGS=$CFLAGS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 printf %s "checking whether $CC accepts -g... 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" >&6; } if test ${ac_cv_prog_cc_c99+y} then : printf %s "(cached) " >&6 else $as_nop ac_cv_prog_cc_c99=no ac_save_CC=$CC cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $ac_c_conftest_c99_program _ACEOF for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99= do CC="$ac_save_CC $ac_arg" if ac_fn_c_try_compile "$LINENO" then : ac_cv_prog_cc_c99=$ac_arg fi rm -f core conftest.err conftest.$ac_objext conftest.beam test "x$ac_cv_prog_cc_c99" != "xno" && break done rm -f conftest.$ac_ext CC=$ac_save_CC fi if test "x$ac_cv_prog_cc_c99" = xno then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 printf "%s\n" "unsupported" >&6; } else $as_nop if test "x$ac_cv_prog_cc_c99" = x then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 printf "%s\n" "none needed" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; } CC="$CC $ac_cv_prog_cc_c99" fi ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99 ac_prog_cc_stdc=c99 fi fi if test x$ac_prog_cc_stdc = xno then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5 printf %s "checking for $CC option to enable C89 features... 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"Package requirements (freetype2 >= 9.17.3) were not met: $FREETYPE_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables FREETYPE_CFLAGS and FREETYPE_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables FREETYPE_CFLAGS and FREETYPE_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else FREETYPE_CFLAGS=$pkg_cv_FREETYPE_CFLAGS FREETYPE_LIBS=$pkg_cv_FREETYPE_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } pkg_requires="freetype2 >= 9.17.3" CFLAGS="$CFLAGS $FREETYPE_CFLAGS" LIBS="$LIBS $FREETYPE_LIBS" printf "%s\n" "#define CONFIG_FREETYPE 1" >>confdefs.h fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for FRIBIDI" >&5 printf %s "checking for FRIBIDI... " >&6; } if test -n "$FRIBIDI_CFLAGS"; then pkg_cv_FRIBIDI_CFLAGS="$FRIBIDI_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fribidi >= 0.19.1\""; } >&5 ($PKG_CONFIG --exists --print-errors "fribidi >= 0.19.1") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FRIBIDI_CFLAGS=`$PKG_CONFIG --cflags "fribidi >= 0.19.1" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$FRIBIDI_LIBS"; then pkg_cv_FRIBIDI_LIBS="$FRIBIDI_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fribidi >= 0.19.1\""; } >&5 ($PKG_CONFIG --exists --print-errors "fribidi >= 0.19.1") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FRIBIDI_LIBS=`$PKG_CONFIG --libs "fribidi >= 0.19.1" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then FRIBIDI_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "fribidi >= 0.19.1" 2>&1` else FRIBIDI_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "fribidi >= 0.19.1" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$FRIBIDI_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (fribidi >= 0.19.1) were not met: $FRIBIDI_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables FRIBIDI_CFLAGS and FRIBIDI_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables FRIBIDI_CFLAGS and FRIBIDI_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else FRIBIDI_CFLAGS=$pkg_cv_FRIBIDI_CFLAGS FRIBIDI_LIBS=$pkg_cv_FRIBIDI_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } pkg_requires="fribidi >= 0.19.1, ${pkg_requires}" CFLAGS="$CFLAGS $FRIBIDI_CFLAGS" LIBS="$LIBS $FRIBIDI_LIBS" printf "%s\n" "#define CONFIG_FRIBIDI 1" >>confdefs.h fi pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for HARFBUZZ" >&5 printf %s "checking for HARFBUZZ... " >&6; } if test -n "$HARFBUZZ_CFLAGS"; then pkg_cv_HARFBUZZ_CFLAGS="$HARFBUZZ_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"harfbuzz >= 1.2.3\""; } >&5 ($PKG_CONFIG --exists --print-errors "harfbuzz >= 1.2.3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_HARFBUZZ_CFLAGS=`$PKG_CONFIG --cflags "harfbuzz >= 1.2.3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$HARFBUZZ_LIBS"; then pkg_cv_HARFBUZZ_LIBS="$HARFBUZZ_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"harfbuzz >= 1.2.3\""; } >&5 ($PKG_CONFIG --exists --print-errors "harfbuzz >= 1.2.3") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_HARFBUZZ_LIBS=`$PKG_CONFIG --libs "harfbuzz >= 1.2.3" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then HARFBUZZ_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "harfbuzz >= 1.2.3" 2>&1` else HARFBUZZ_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "harfbuzz >= 1.2.3" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$HARFBUZZ_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (harfbuzz >= 1.2.3) were not met: $HARFBUZZ_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables HARFBUZZ_CFLAGS and HARFBUZZ_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables HARFBUZZ_CFLAGS and HARFBUZZ_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else HARFBUZZ_CFLAGS=$pkg_cv_HARFBUZZ_CFLAGS HARFBUZZ_LIBS=$pkg_cv_HARFBUZZ_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } pkg_requires="harfbuzz >= 1.2.3, ${pkg_requires}" CFLAGS="$CFLAGS $HARFBUZZ_CFLAGS" LIBS="$LIBS $HARFBUZZ_LIBS" printf "%s\n" "#define CONFIG_HARFBUZZ 1" >>confdefs.h fi libpng=false if test "x$enable_test" = xyes || test "x$enable_compare" = xyes then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for LIBPNG" >&5 printf %s "checking for LIBPNG... " >&6; } if test -n "$LIBPNG_CFLAGS"; then pkg_cv_LIBPNG_CFLAGS="$LIBPNG_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libpng >= 1.2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "libpng >= 1.2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBPNG_CFLAGS=`$PKG_CONFIG --cflags "libpng >= 1.2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$LIBPNG_LIBS"; then pkg_cv_LIBPNG_LIBS="$LIBPNG_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libpng >= 1.2.0\""; } >&5 ($PKG_CONFIG --exists --print-errors "libpng >= 1.2.0") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBPNG_LIBS=`$PKG_CONFIG --libs "libpng >= 1.2.0" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then LIBPNG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libpng >= 1.2.0" 2>&1` else LIBPNG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libpng >= 1.2.0" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$LIBPNG_PKG_ERRORS" >&5 as_fn_error $? "Package requirements (libpng >= 1.2.0) were not met: $LIBPNG_PKG_ERRORS Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. Alternatively, you may set the environment variables LIBPNG_CFLAGS and LIBPNG_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details." "$LINENO" 5 elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables LIBPNG_CFLAGS and LIBPNG_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see . See \`config.log' for more details" "$LINENO" 5; } else LIBPNG_CFLAGS=$pkg_cv_LIBPNG_CFLAGS LIBPNG_LIBS=$pkg_cv_LIBPNG_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } # Only used for test programs, must not be used for distribution CFLAGS="$CFLAGS $LIBPNG_CFLAGS" printf "%s\n" "#define CONFIG_LIBPNG 1" >>confdefs.h libpng=true fi fi if test "x$enable_libunibreak" != xno then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for LIBUNIBREAK" >&5 printf %s "checking for LIBUNIBREAK... " >&6; } if test -n "$LIBUNIBREAK_CFLAGS"; then pkg_cv_LIBUNIBREAK_CFLAGS="$LIBUNIBREAK_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libunibreak >= 1.1\""; } >&5 ($PKG_CONFIG --exists --print-errors "libunibreak >= 1.1") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBUNIBREAK_CFLAGS=`$PKG_CONFIG --cflags "libunibreak >= 1.1" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$LIBUNIBREAK_LIBS"; then pkg_cv_LIBUNIBREAK_LIBS="$LIBUNIBREAK_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libunibreak >= 1.1\""; } >&5 ($PKG_CONFIG --exists --print-errors "libunibreak >= 1.1") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_LIBUNIBREAK_LIBS=`$PKG_CONFIG --libs "libunibreak >= 1.1" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then LIBUNIBREAK_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libunibreak >= 1.1" 2>&1` else LIBUNIBREAK_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libunibreak >= 1.1" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$LIBUNIBREAK_PKG_ERRORS" >&5 if test "x$enable_libunibreak" = xyes then : as_fn_error $? "libunibreak support was requested, but it was not found." "$LINENO" 5 fi elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if test "x$enable_libunibreak" = xyes then : as_fn_error $? "libunibreak support was requested, but it was not found." "$LINENO" 5 fi else LIBUNIBREAK_CFLAGS=$pkg_cv_LIBUNIBREAK_CFLAGS LIBUNIBREAK_LIBS=$pkg_cv_LIBUNIBREAK_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } pkg_requires="libunibreak >= 1.1, ${pkg_requires}" CFLAGS="$CFLAGS $LIBUNIBREAK_CFLAGS" LIBS="$LIBS $LIBUNIBREAK_LIBS" printf "%s\n" "#define CONFIG_UNIBREAK 1" >>confdefs.h fi fi ## Check for system font providers ### Fontconfig if test "x$enable_fontconfig" != xno then : pkg_failed=no { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for FONTCONFIG" >&5 printf %s "checking for FONTCONFIG... " >&6; } if test -n "$FONTCONFIG_CFLAGS"; then pkg_cv_FONTCONFIG_CFLAGS="$FONTCONFIG_CFLAGS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fontconfig >= 2.10.92\""; } >&5 ($PKG_CONFIG --exists --print-errors "fontconfig >= 2.10.92") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FONTCONFIG_CFLAGS=`$PKG_CONFIG --cflags "fontconfig >= 2.10.92" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test -n "$FONTCONFIG_LIBS"; then pkg_cv_FONTCONFIG_LIBS="$FONTCONFIG_LIBS" elif test -n "$PKG_CONFIG"; then if test -n "$PKG_CONFIG" && \ { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fontconfig >= 2.10.92\""; } >&5 ($PKG_CONFIG --exists --print-errors "fontconfig >= 2.10.92") 2>&5 ac_status=$? printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; then pkg_cv_FONTCONFIG_LIBS=`$PKG_CONFIG --libs "fontconfig >= 2.10.92" 2>/dev/null` test "x$?" != "x0" && pkg_failed=yes else pkg_failed=yes fi else pkg_failed=untried fi if test $pkg_failed = yes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then _pkg_short_errors_supported=yes else _pkg_short_errors_supported=no fi if test $_pkg_short_errors_supported = yes; then FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "fontconfig >= 2.10.92" 2>&1` else FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "fontconfig >= 2.10.92" 2>&1` fi # Put the nasty error message in config.log where it belongs echo "$FONTCONFIG_PKG_ERRORS" >&5 fontconfig=false if test "x$enable_fontconfig" = xyes then : as_fn_error $? "fontconfig support was requested, but it was not found." "$LINENO" 5 fi elif test $pkg_failed = untried; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fontconfig=false if test "x$enable_fontconfig" = xyes then : as_fn_error $? "fontconfig support was requested, but it was not found." "$LINENO" 5 fi else FONTCONFIG_CFLAGS=$pkg_cv_FONTCONFIG_CFLAGS FONTCONFIG_LIBS=$pkg_cv_FONTCONFIG_LIBS { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } pkg_requires="fontconfig >= 2.10.92, ${pkg_requires}" CFLAGS="$CFLAGS $FONTCONFIG_CFLAGS" LIBS="$LIBS $FONTCONFIG_LIBS" printf "%s\n" "#define CONFIG_FONTCONFIG 1" >>confdefs.h fontconfig=true fi fi ### Coretext if test "x$enable_coretext" != xno then : # Linking to CoreText directly only works from Mountain Lion and iOS. # In earlier OS X releases CoreText was part of the ApplicationServices # umbrella framework. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CORETEXT" >&5 printf %s "checking for CORETEXT... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : pkg_libs="$pkg_libs -framework ApplicationServices -framework CoreFoundation" LIBS="$LIBS -framework ApplicationServices -framework CoreFoundation" printf "%s\n" "#define CONFIG_CORETEXT 1" >>confdefs.h coretext=true { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : pkg_libs="$pkg_libs -framework CoreText -framework CoreFoundation" LIBS="$LIBS -framework CoreText -framework CoreFoundation" printf "%s\n" "#define CONFIG_CORETEXT 1" >>confdefs.h coretext=true { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop coretext=false { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if test "x$enable_coretext" = xyes then : as_fn_error $? "CoreText support was requested, but it was not found." "$LINENO" 5 fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi ### DirectWrite if test "x$enable_directwrite" != xno then : # Linking to DirectWrite directly only works from Windows { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for DIRECTWRITE" >&5 printf %s "checking for DIRECTWRITE... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { ; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : directwrite=true { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Win32 desktop APIs" >&5 printf %s "checking for Win32 desktop APIs... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #error Win32 desktop APIs are available #endif int main (void) { ; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : # WinRT/UWP/app build: GDI and LoadLibrary are # unavailable, but DirectWrite is always present pkg_libs="$pkg_libs -ldwrite" LIBS="$LIBS -ldwrite" printf "%s\n" "#define CONFIG_DIRECTWRITE 1" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } else $as_nop # Win32/desktop build: GDI is always present; # DirectWrite is optional but can be loaded via LoadLibrary pkg_libs="$pkg_libs -lgdi32" LIBS="$LIBS -lgdi32" printf "%s\n" "#define CONFIG_DIRECTWRITE 1" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop directwrite=false { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } if test "x$enable_directwrite" = xyes then : as_fn_error $? "DirectWrite support was requested, but it was not found." "$LINENO" 5 fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi ## Require at least one system font provider by default if test "x$enable_require_system_font_provider" != xno && test "x$fontconfig" != xtrue && test "x$directwrite" != xtrue && test "x$coretext" != xtrue then : as_fn_error $? "No system font provider! Either DirectWrite (on Windows), CoreText (on OSX), or Fontconfig (Linux, other) is required. 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If set, it is used in make check.]) AC_ARG_VAR([FUZZ_LDFLAGS], [Optional special linking flags only used for the fuzzer binary.]) AC_ARG_VAR([FUZZ_CPPFLAGS], [If fuzzing program is enabled, set this to select alternative modes; see fuzzer source for options.]) FUZZ_CPPFLAGS="${FUZZ_CPPFLAGS:--DASS_FUZZMODE=0}" # Checks for available libraries and define corresponding C Macros # Start with system libs, then check everything else via pkg-config AS_IF([test "x$ac_cv_header_iconv_h" = xyes], [ ## Some iconv libraries like GNU's libiconv define iconv_open as a macro to ## libiconv_open. As SEARCH_LIBS tests linking not compilation, check for ## libiconv_open first. 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AC_SEARCH_LIBS([lrint], [m], [ # noop ], [ AC_MSG_ERROR([Unable to locate math functions!]) ]) pkg_libs="$LIBS" ## Check for libraries via pkg-config and add to pkg_requires as needed PKG_CHECK_MODULES([FREETYPE], [freetype2 >= 9.17.3], [ pkg_requires="freetype2 >= 9.17.3" CFLAGS="$CFLAGS $FREETYPE_CFLAGS" LIBS="$LIBS $FREETYPE_LIBS" AC_DEFINE(CONFIG_FREETYPE, 1, [found freetype2 via pkg-config]) ]) PKG_CHECK_MODULES([FRIBIDI], [fribidi >= 0.19.1], [ pkg_requires="fribidi >= 0.19.1, ${pkg_requires}" CFLAGS="$CFLAGS $FRIBIDI_CFLAGS" LIBS="$LIBS $FRIBIDI_LIBS" AC_DEFINE(CONFIG_FRIBIDI, 1, [found fribidi via pkg-config]) ]) PKG_CHECK_MODULES([HARFBUZZ], [harfbuzz >= 1.2.3], [ pkg_requires="harfbuzz >= 1.2.3, ${pkg_requires}" CFLAGS="$CFLAGS $HARFBUZZ_CFLAGS" LIBS="$LIBS $HARFBUZZ_LIBS" AC_DEFINE(CONFIG_HARFBUZZ, 1, [found harfbuzz via pkg-config]) ]) libpng=false AS_IF([test "x$enable_test" = xyes || test "x$enable_compare" = xyes], [ PKG_CHECK_MODULES([LIBPNG], [libpng >= 1.2.0], [ # Only used for test programs, must not be used for distribution CFLAGS="$CFLAGS $LIBPNG_CFLAGS" AC_DEFINE(CONFIG_LIBPNG, 1, [found libpng via pkg-config]) libpng=true ]) ]) AS_IF([test "x$enable_libunibreak" != xno], [ PKG_CHECK_MODULES([LIBUNIBREAK], [libunibreak >= 1.1], [ pkg_requires="libunibreak >= 1.1, ${pkg_requires}" CFLAGS="$CFLAGS $LIBUNIBREAK_CFLAGS" LIBS="$LIBS $LIBUNIBREAK_LIBS" AC_DEFINE(CONFIG_UNIBREAK, 1, [found libunibreak via pkg-config]) ], [ AS_IF([test "x$enable_libunibreak" = xyes], [ AC_MSG_ERROR([libunibreak support was requested, but it was not found.]) ]) ]) ]) ## Check for system font providers ### Fontconfig AS_IF([test "x$enable_fontconfig" != xno], [ PKG_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.10.92], [ pkg_requires="fontconfig >= 2.10.92, ${pkg_requires}" CFLAGS="$CFLAGS $FONTCONFIG_CFLAGS" LIBS="$LIBS $FONTCONFIG_LIBS" AC_DEFINE(CONFIG_FONTCONFIG, 1, [found fontconfig via pkg-config]) fontconfig=true ], [ fontconfig=false AS_IF([test "x$enable_fontconfig" = xyes], [ AC_MSG_ERROR([fontconfig support was requested, but it was not found.]) ]) ]) ]) ### Coretext AS_IF([test "x$enable_coretext" != xno], [ # Linking to CoreText directly only works from Mountain Lion and iOS. # In earlier OS X releases CoreText was part of the ApplicationServices # umbrella framework. AC_MSG_CHECKING([for CORETEXT]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( dnl# First test for legacy include [[#include ]], [[CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute);]] ) ], [ pkg_libs="$pkg_libs -framework ApplicationServices -framework CoreFoundation" LIBS="$LIBS -framework ApplicationServices -framework CoreFoundation" AC_DEFINE(CONFIG_CORETEXT, 1, [found CoreText in ApplicationServices framework]) coretext=true AC_MSG_RESULT([yes]) ], [ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( dnl# Otherwise check newer include style [[#include ]], [[CTFontDescriptorCopyAttribute(NULL, kCTFontURLAttribute);]] ) ], [ pkg_libs="$pkg_libs -framework CoreText -framework CoreFoundation" LIBS="$LIBS -framework CoreText -framework CoreFoundation" AC_DEFINE(CONFIG_CORETEXT, 1, [found CoreText framework]) coretext=true AC_MSG_RESULT([yes]) ], [ coretext=false AC_MSG_RESULT([no]) AS_IF([test "x$enable_coretext" = xyes], [ AC_MSG_ERROR([CoreText support was requested, but it was not found.]) ]) ]) ]) ]) ### DirectWrite AS_IF([test "x$enable_directwrite" != xno], [ # Linking to DirectWrite directly only works from Windows AC_MSG_CHECKING([for DIRECTWRITE]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[#include ]], [[;]]) ], [ directwrite=true AC_MSG_RESULT([yes]) AC_MSG_CHECKING([for Win32 desktop APIs]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #error Win32 desktop APIs are available #endif ]], [[;]]) ], [ # WinRT/UWP/app build: GDI and LoadLibrary are # unavailable, but DirectWrite is always present pkg_libs="$pkg_libs -ldwrite" LIBS="$LIBS -ldwrite" AC_DEFINE(CONFIG_DIRECTWRITE, 1, [found DirectWrite (WinRT/UWP)]) AC_MSG_RESULT([no]) ], [ # Win32/desktop build: GDI is always present; # DirectWrite is optional but can be loaded via LoadLibrary pkg_libs="$pkg_libs -lgdi32" LIBS="$LIBS -lgdi32" AC_DEFINE(CONFIG_DIRECTWRITE, 1, [found DirectWrite and GDI (Win32)]) AC_MSG_RESULT([yes]) ]) ], [ directwrite=false AC_MSG_RESULT([no]) AS_IF([test "x$enable_directwrite" = xyes], [ AC_MSG_ERROR([DirectWrite support was requested, but it was not found.]) ]) ]) ]) ## Require at least one system font provider by default AS_IF([test "x$enable_require_system_font_provider" != xno dnl && test "x$fontconfig" != xtrue dnl && test "x$directwrite" != xtrue dnl && test "x$coretext" != xtrue ], [ AC_MSG_ERROR(m4_text_wrap(m4_normalize([ Either DirectWrite (on Windows), CoreText (on OSX), or Fontconfig (Linux, other) is required. If you really want to compile without a system font provider, add --disable-require-system-font-provider]), [ ], [No system font provider!], [78] )) ]) # Locate and configure Assembler appropriately can_asm=false AS_IF([test "x$enable_asm" != xno], [ AS_CASE([$host], [i?86-*], [ AS=nasm X86=true BITS=32 BITTYPE=32 ASFLAGS="$ASFLAGS -DARCH_X86_64=0" ], [x86_64-*-gnux32|amd64-*-gnux32], [ AS=nasm X86=true X86_64=true BITS=64 BITTYPE=x32 ASFLAGS="$ASFLAGS -DARCH_X86_64=1" ], [x86_64-*|amd64-*], [ AS=nasm X86=true X86_64=true BITS=64 BITTYPE=64 ASFLAGS="$ASFLAGS -DARCH_X86_64=1" ], [ # default X86=false AC_MSG_NOTICE([Assembly optimizations are not yet supported on this architecture; disabling.]) ] ) AS_IF([test "x$X86" = xtrue], [ AC_CHECK_PROG([nasm_check], [$AS], [yes]) AS_IF([test "x$nasm_check" != xyes], [ AC_MSG_WARN(nasm was not found; ASM functions are disabled.) AC_MSG_WARN(Install nasm for a significantly faster libass build.) ], [ AS_CASE([$host], [*darwin*], [ ASFLAGS="$ASFLAGS -f macho$BITTYPE -DPREFIX -DSTACK_ALIGNMENT=16" ], [*dragonfly*|*bsd*], [ ASFLAGS="$ASFLAGS -f elf$BITTYPE" ], [*cygwin*|*mingw*], [ ASFLAGS="$ASFLAGS -f win$BITTYPE" AS_IF([test "x$BITS" = x32], [ ASFLAGS="$ASFLAGS -DPREFIX" ]) ], [*linux*|*solaris*|*haiku*|*-gnu*], [ ASFLAGS="$ASFLAGS -f elf$BITTYPE -DSTACK_ALIGNMENT=16" ], [ # default AC_MSG_ERROR(m4_text_wrap(m4_normalize([ Please contact libass upstream to figure out if ASM support for your platform can be added. In the meantime you will need to use --disable-asm.]), [ ], [could not identify NASM format for $host !], [78] )) ] ) AC_MSG_CHECKING([if $AS supports vpmovzxwd]) echo "vpmovzxwd ymm0, xmm0" > conftest.asm AS_IF([$AS conftest.asm $ASFLAGS -o conftest.o >conftest.log 2>&1], [ AC_MSG_RESULT([yes]) can_asm=true ], [ AC_MSG_RESULT([no]) VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1` AC_MSG_WARN([nasm is too old (found $VER); ASM functions are disabled.]) AC_MSG_WARN([Install nasm-2.10 or later for a significantly faster libass build.]) ]) rm conftest.asm conftest.o > /dev/null 2>&1 ]) ]) ]) AS_IF([test x"$enable_asm" = xyes && test x"$can_asm" != xtrue], [ AC_MSG_ERROR([Assembly was requested, but cannot be built; see prior messages.]) ]) # Relay config results to output files ## Tell Makefiles which assembler and flags to use AC_SUBST([ASFLAGS], ["$ASFLAGS"]) AC_SUBST([AS], ["$AS"]) ## Relay package configuration to libass.pc.in AS_IF([test "x$enable_shared" != xno], [ AC_SUBST([PKG_LIBS_PUBLIC], []) AC_SUBST([PKG_REQUIRES_PUBLIC], []) AC_SUBST([PKG_LIBS_PRIVATE], [${pkg_libs}]) AC_SUBST([PKG_REQUIRES_PRIVATE], [${pkg_requires}]) ], [ # Not mentioned by the pkg-config specification, but # a common workaround for poor support for mixed builds AC_SUBST([PKG_LIBS_PUBLIC], [${pkg_libs}]) AC_SUBST([PKG_REQUIRES_PUBLIC], [${pkg_requires}]) AC_SUBST([PKG_LIBS_PRIVATE], []) AC_SUBST([PKG_REQUIRES_PRIVATE], []) ]) ## Setup conditionals for use in Makefiles AM_CONDITIONAL([ASM], [test "x$can_asm" = xtrue]) AM_CONDITIONAL([X86], [test "x$X86" = xtrue]) AM_CONDITIONAL([X86_64], [test "x$X86_64" = xtrue]) AM_CONDITIONAL([ENABLE_LARGE_TILES], [test "x$enable_large_tiles" = xyes]) AM_CONDITIONAL([ENABLE_COMPARE], [test "x$enable_compare" = xyes && test "x$libpng" = xtrue]) AM_CONDITIONAL([ENABLE_TEST], [test "x$enable_test" = xyes && test "x$libpng" = xtrue]) AM_CONDITIONAL([ENABLE_PROFILE], [test "x$enable_profile" = xyes]) AM_CONDITIONAL([ENABLE_FUZZ], [test "x$enable_fuzz" = xyes]) AM_CONDITIONAL([FONTCONFIG], [test "x$fontconfig" = xtrue]) AM_CONDITIONAL([CORETEXT], [test "x$coretext" = xtrue]) AM_CONDITIONAL([DIRECTWRITE], [test "x$directwrite" = xtrue]) ## Define C Macros not relating to libraries AM_COND_IF([ASM], [ AC_DEFINE(CONFIG_ASM, 1, [ASM enabled]) AM_COND_IF([X86], [ AC_DEFINE(ARCH_X86, 1, [targeting a 32- or 64-bit x86 host architecture]) ]) ], [ AC_DEFINE(CONFIG_ASM, 0, [ASM enabled]) ]) AM_COND_IF([ENABLE_LARGE_TILES], [ AC_DEFINE(CONFIG_LARGE_TILES, 1, [use large tiles]) ], [ AC_DEFINE(CONFIG_LARGE_TILES, 0, [use small tiles]) ]) ## Make a guess about the source code version AS_IF([test -e "${srcdir}/.git"], [ AC_PATH_PROG([git_bin], [git]) AS_IF([test -n "$git_bin"], [ tmp="$("$git_bin" -C "$srcdir" describe --tags --long --always --broken --abbrev=40 2>/dev/null)" \ || tmp="$("$git_bin" -C "$srcdir" describe --tags --long --always --dirty --abbrev=40 2>/dev/null)" \ || tmp="failed to determine (>= AC_PACKAGE_VERSION)" srcversion_string="commit: $tmp" ], [ srcversion_string="custom after: AC_PACKAGE_VERSION" ]) ], [ dnl# Hope no one creates custom tarballs without adjusting the version srcversion_string="tarball: AC_PACKAGE_VERSION" ]) AC_DEFINE_UNQUOTED([CONFIG_SOURCEVERSION], ["$srcversion_string"], [string containing info about the used source]) ## Setup output beautifier. m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) AC_CONFIG_FILES([Makefile libass.pc]) AC_OUTPUT libass-0.17.1/COPYING0000644060175106017510000000136314021750200011041 00000000000000ISC License Copyright (C) 2006-2016 libass contributors Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. libass-0.17.1/depcomp0000755060175106017510000005602014376701466011412 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2021 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. A plain '-MD' option would be understood by many ## compilers, so we must ensure this comes after the gcc and icc options. pgcc) # Portland's C compiler understands '-MD'. # Will always output deps to 'file.d' where file is the root name of the # source file under compilation, even if file resides in a subdirectory. # The object file name does not affect the name of the '.d' file. # pgcc 10.2 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\' : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. set_base_from "$source" tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. 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This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libass-0.17.1/fuzz/0000755060175106017510000000000014376701522011101 500000000000000libass-0.17.1/fuzz/fuzz.c0000644060175106017510000002044014371314501012153 00000000000000/* * Copyright (C) 2022 libass contributors * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include "ass.h" #include "ass_types.h" #define FUZZMODE_STANDALONE 0 #define FUZZMODE_AFLXX_SHAREDMEM 1 #define FUZZMODE_LIBFUZZER 2 #ifndef ASS_FUZZMODE #define ASS_FUZZMODE FUZZMODE_STANDALONE #endif // MSAN: will trigger MSAN if any pixel in bitmap not written to (costly) #ifndef ASSFUZZ_HASH_WHOLEBITMAP #define ASSFUZZ_HASH_WHOLEBITMAP 0 #endif ASS_Library *ass_library = NULL; ASS_Renderer *ass_renderer = NULL; uint8_t hval = 0; #if ASSFUZZ_HASH_WHOLEBITMAP static inline void hash(const void *buf, size_t len) { const uint8_t *ptr = buf; const uint8_t *end = ptr + len; while (ptr < end) hval ^= *ptr++; // MSAN doesn't trigger on the XORs, but will on conditional branches if (hval) hval ^= 57; } #endif void msg_callback(int level, const char *fmt, va_list va, void *data) { #if ASS_FUZZMODE == FUZZMODE_STANDALONE if (level > 6) return; printf("libass: "); vprintf(fmt, va); printf("\n"); #else // still check for type-mismatches even when not printing // (seems to be cheap enough from some simple perormance tests) char msg[2048]; int l = vsnprintf(msg, sizeof(msg), fmt, va) - 1; l = l >= sizeof(msg) ? sizeof(msg) - 1 : l; l = l < 0 ? 0 : l; hval ^= *(msg + l); #endif } static const int RWIDTH = 854; static const int RHEIGHT = 480; static bool init_renderer(void) { if (ass_renderer) return true; ass_renderer = ass_renderer_init(ass_library); if (!ass_renderer) return false; ass_set_fonts(ass_renderer, NULL, "sans-serif", ASS_FONTPROVIDER_AUTODETECT, NULL, 1); ass_set_frame_size(ass_renderer, RWIDTH, RHEIGHT); ass_set_storage_size(ass_renderer, RWIDTH, RHEIGHT); return true; } static bool init(void) { ass_library = ass_library_init(); if (!ass_library) { printf("ass_library_init failed!\n"); return false; } ass_set_message_cb(ass_library, msg_callback, NULL); if (!init_renderer()) { ass_library_done(ass_library); ass_library = NULL; printf("ass_renderer_init failed!\n"); return false; } return true; } static inline void process_image(ASS_Image* imgs) { for (; imgs; imgs = imgs->next) { assert(imgs->w >= 0 && imgs->h >= 0 && imgs->dst_x >= 0 && imgs->dst_y >= 0 && imgs->dst_x + imgs->w <= RWIDTH && imgs->dst_y + imgs->h <= RHEIGHT && imgs->stride >= imgs->w); #if !ASSFUZZ_HASH_WHOLEBITMAP // Check last pixel to probe for out-of-bounds errors if (imgs->w && imgs->h) hval ^= *(imgs->bitmap + imgs->stride * (imgs->h - 1) + imgs->w - 1); #else unsigned char *src = imgs->bitmap; for (int y = 0; y < imgs->h; ++y) { hash(src, imgs->w); src += imgs->stride; } #endif } } static void consume_track(ASS_Renderer *renderer, ASS_Track *track) { for (int n = 0; n < track->n_events; ++n) { int change; ASS_Event event = track->events[n]; process_image(ass_render_frame(ass_renderer, track, event.Start, &change)); if (event.Duration > 1) { process_image(ass_render_frame(ass_renderer, track, event.Start + event.Duration/2, &change)); process_image(ass_render_frame(ass_renderer, track, event.Start + event.Duration-1, &change)); } } } #if ASS_FUZZMODE == FUZZMODE_STANDALONE static ASS_Track *read_track_from_stdin(void) { size_t smax = 4096; char* buf = malloc(smax); if (!buf) goto error; size_t s = 0; ssize_t read_b = 0; do { // AFL++ docs recommend using raw file descriptors // to avoid buffering issues with stdin read_b = read(STDIN_FILENO, buf + s, smax - s); s += read_b > 0 ? read_b : 0; if (s == smax) { size_t new_smax = smax > SIZE_MAX / 2 ? SIZE_MAX : smax * 2; char* new_buf = realloc(buf, new_smax); if (!new_buf || new_smax <= smax) { free(new_buf ? new_buf : buf); goto error; } smax = new_smax; buf = new_buf; } } while (read_b > 0); buf[s] = '\0'; ASS_Track *track = ass_read_memory(ass_library, buf, s, NULL); free(buf); return track; error: printf("Input too large!\n"); return NULL; } int main(int argc, char *argv[]) { /* Default failure code of sanitisers is 1, unless * changed via env (A|UB|..)SAN_OPTIONS=exitcode=21 * Except, LLVM's UBSAN always exits with 0 (unless using * -fsanitize-undefined-trap-on-error which will SIGILL without an * error report being printed), see https://reviews.llvm.org/D35085 */ enum { FUZZ_OK = 0, //SANITISER_FAIL = 1, // Invalid parameters passed etc FUZZ_BAD_USAGE = 2, // Error before rendering starts FUZZ_INIT_ERR = 0 }; ASS_Track *track = NULL; int retval = FUZZ_OK; if (argc != 2) { printf("usage: %s \n", argc ? argv[0] : "fuzz"); return FUZZ_BAD_USAGE; } if (!init()) { printf("library init failed!\n"); retval = FUZZ_INIT_ERR; goto cleanup; } if (strcmp(argv[1], "-")) track = ass_read_file(ass_library, argv[1], NULL); else track = read_track_from_stdin(); if (!track) { printf("track init failed!\n"); retval = FUZZ_INIT_ERR; goto cleanup; } consume_track(ass_renderer, track); cleanup: if (track) ass_free_track(track); if (ass_renderer) ass_renderer_done(ass_renderer); if (ass_library) ass_library_done(ass_library); return retval; } #elif ASS_FUZZMODE == FUZZMODE_AFLXX_SHAREDMEM __AFL_FUZZ_INIT(); /* * AFL++ docs recommend to disable optimisation for the main function * and GCC and Clang are the only AFL compilers. */ #pragma clang optimize off #pragma GCC optimize("O0") int main(int argc, char *argv[]) { // AFLs buffer and length macros should not be used directly ssize_t len; unsigned char *buf; if (!init()) { printf("library init failed!\n"); return 1; } __AFL_INIT(); buf = __AFL_FUZZ_TESTCASE_BUF; while (__AFL_LOOP(100000)) { len = __AFL_FUZZ_TESTCASE_LEN; if (!init_renderer()) { printf("Failing renderer init, skipping a sample!\n"); continue; } ASS_Track *track = ass_read_memory(ass_library, (char *)buf, len, NULL); if (!track) continue; consume_track(ass_renderer, track); ass_free_track(track); ass_renderer_done(ass_renderer); ass_renderer = NULL; ass_clear_fonts(ass_library); } ass_renderer_done(ass_renderer); ass_library_done(ass_library); return 0; } #elif ASS_FUZZMODE == FUZZMODE_LIBFUZZER int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { ASS_Track *track = NULL; // All return values but zero are reserved if (!init()) return 0; track = ass_read_memory(ass_library, (char *)data, size, NULL); if (track) { consume_track(ass_renderer, track); ass_free_track(track); } ass_renderer_done(ass_renderer); ass_library_done(ass_library); ass_renderer = NULL; ass_library = NULL; return 0; } #else #error Unknown fuzzer mode selected! #endif libass-0.17.1/install-sh0000755060175106017510000003577614376701466012060 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2020-11-14.01; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 # Create dirs (including intermediate dirs) using mode 755. # This is like GNU 'install' as of coreutils 8.32 (2020). mkdir_umask=22 backupsuffix= chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... 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Create the # directory the slow way, step by step, checking for races as we go. case $dstdir in /*) prefix='/';; [-=\(\)!]*) prefix='./';; *) prefix='';; esac oIFS=$IFS IFS=/ set -f set fnord $dstdir shift set +f IFS=$oIFS prefixes= for d do test X"$d" = X && continue prefix=$prefix$d if test -d "$prefix"; then prefixes= else if $posix_mkdir; then (umask $mkdir_umask && $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break # Don't fail if two instances are running concurrently. test -d "$prefix" || exit 1 else case $prefix in *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; *) qprefix=$prefix;; esac prefixes="$prefixes '$qprefix'" fi fi prefix=$prefix/ done if test -n "$prefixes"; then # Don't fail if two instances are running concurrently. (umask $mkdir_umask && eval "\$doit_exec \$mkdirprog $prefixes") || test -d "$dstdir" || exit 1 obsolete_mkdir_used=true fi fi fi if test -n "$dir_arg"; then { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 else # Make a couple of temp file names in the proper directory. dsttmp=${dstdirslash}_inst.$$_ rmtmp=${dstdirslash}_rm.$$_ # Trap to clean up those temp files at exit. trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 # Copy the file name to the temp name. (umask $cp_umask && { test -z "$stripcmd" || { # Create $dsttmp read-write so that cp doesn't create it read-only, # which would cause strip to fail. if test -z "$doit"; then : >"$dsttmp" # No need to fork-exec 'touch'. else $doit touch "$dsttmp" fi } } && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $cpprog $src $dsttmp" command. # { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && # If -C, don't bother to copy if it wouldn't change the file. if $copy_on_change && old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && set -f && set X $old && old=:$2:$4:$5:$6 && set X $new && new=:$2:$4:$5:$6 && set +f && test "$old" = "$new" && $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 then rm -f "$dsttmp" else # If $backupsuffix is set, and the file being installed # already exists, attempt a backup. Don't worry if it fails, # e.g., if mv doesn't support -f. if test -n "$backupsuffix" && test -f "$dst"; then $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null fi # Rename the file to the real destination. $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not # support -f. { # Now remove or move aside any old file at destination location. # We try this two ways since rm can't unlink itself on some # systems and the destination file might be busy for other # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { test ! -f "$dst" || $doit $rmcmd "$dst" 2>/dev/null || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && { $doit $rmcmd "$rmtmp" 2>/dev/null; :; } } || { echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dst" } fi || exit 1 trap '' 0 fi done # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libass-0.17.1/libass/0000755060175106017510000000000014376701522011360 500000000000000libass-0.17.1/libass/ass.c0000644060175106017510000015226514376664500012251 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include #include #include #include #ifdef CONFIG_ICONV #include #endif #include "ass.h" #include "ass_utils.h" #include "ass_library.h" #include "ass_priv.h" #include "ass_shaper.h" #include "ass_string.h" #define ass_atof(STR) (ass_strtod((STR),NULL)) static const char *const ass_style_format = "Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, " "OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, " "ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, " "Alignment, MarginL, MarginR, MarginV, Encoding"; static const char *const ass_event_format = "Layer, Start, End, Style, Name, " "MarginL, MarginR, MarginV, Effect, Text"; static const char *const ssa_style_format = "Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, " "TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, " "Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding"; static const char *const ssa_event_format = "Marked, Start, End, Style, Name, " "MarginL, MarginR, MarginV, Effect, Text"; #define ASS_STYLES_ALLOC 20 int ass_library_version(void) { return LIBASS_VERSION; } void ass_free_track(ASS_Track *track) { int i; if (!track) return; if (track->parser_priv) { free(track->parser_priv->read_order_bitmap); free(track->parser_priv->fontname); free(track->parser_priv->fontdata); free(track->parser_priv); } free(track->style_format); free(track->event_format); free(track->Language); if (track->styles) { for (i = 0; i < track->n_styles; ++i) ass_free_style(track, i); } free(track->styles); if (track->events) { for (i = 0; i < track->n_events; ++i) ass_free_event(track, i); } free(track->events); free(track->name); free(track); } /// \brief Allocate a new style struct /// \param track track /// \return style id or negative value on failure int ass_alloc_style(ASS_Track *track) { int sid; assert(track->n_styles <= track->max_styles); if (track->n_styles == track->max_styles) { if (track->max_styles >= FFMIN(SIZE_MAX, INT_MAX) - ASS_STYLES_ALLOC) return -1; int new_max = track->max_styles + ASS_STYLES_ALLOC; if (!ASS_REALLOC_ARRAY(track->styles, new_max)) return -1; track->max_styles = new_max; } sid = track->n_styles++; memset(track->styles + sid, 0, sizeof(ASS_Style)); return sid; } /// \brief Allocate a new event struct /// \param track track /// \return event id or negative value on failure int ass_alloc_event(ASS_Track *track) { int eid; assert(track->n_events <= track->max_events); if (track->n_events == track->max_events) { if (track->max_events >= FFMIN(SIZE_MAX, INT_MAX) / 2) return -1; int new_max = track->max_events * 2 + 1; if (!ASS_REALLOC_ARRAY(track->events, new_max)) return -1; track->max_events = new_max; } eid = track->n_events++; memset(track->events + eid, 0, sizeof(ASS_Event)); return eid; } void ass_free_event(ASS_Track *track, int eid) { ASS_Event *event = track->events + eid; free(event->Name); free(event->Effect); free(event->Text); free(event->render_priv); } void ass_free_style(ASS_Track *track, int sid) { ASS_Style *style = track->styles + sid; free(style->Name); free(style->FontName); } static int resize_read_order_bitmap(ASS_Track *track, int max_id) { // Don't allow malicious files to OOM us easily. Also avoids int overflows. if (max_id < 0 || max_id >= 10 * 1024 * 1024 * 8) goto fail; assert(track->parser_priv->read_order_bitmap || !track->parser_priv->read_order_elems); if (max_id >= track->parser_priv->read_order_elems * 32) { int oldelems = track->parser_priv->read_order_elems; int elems = ((max_id + 31) / 32 + 1) * 2; assert(elems >= oldelems); track->parser_priv->read_order_elems = elems; void *new_bitmap = realloc(track->parser_priv->read_order_bitmap, elems * 4); if (!new_bitmap) goto fail; track->parser_priv->read_order_bitmap = new_bitmap; memset(track->parser_priv->read_order_bitmap + oldelems, 0, (elems - oldelems) * 4); } return 0; fail: free(track->parser_priv->read_order_bitmap); track->parser_priv->read_order_bitmap = NULL; track->parser_priv->read_order_elems = 0; return -1; } static int test_and_set_read_order_bit(ASS_Track *track, int id) { if (resize_read_order_bitmap(track, id) < 0) return -1; int index = id / 32; uint32_t bit = 1u << (id % 32); if (track->parser_priv->read_order_bitmap[index] & bit) return 1; track->parser_priv->read_order_bitmap[index] |= bit; return 0; } // ============================================================================================== /** * \brief Set up default style * \param style style to edit to defaults * The parameters are mostly taken directly from VSFilter source for * best compatibility. */ static void set_default_style(ASS_Style *style) { style->Name = strdup("Default"); style->FontName = strdup("Arial"); style->FontSize = 18; style->PrimaryColour = 0xffffff00; style->SecondaryColour = 0x00ffff00; style->OutlineColour = 0x00000000; style->BackColour = 0x00000080; style->Bold = 200; style->ScaleX = 1.0; style->ScaleY = 1.0; style->Spacing = 0; style->BorderStyle = 1; style->Outline = 2; style->Shadow = 3; style->Alignment = 2; style->MarginL = style->MarginR = style->MarginV = 20; } static long long string2timecode(ASS_Library *library, char *p) { int h, m, s, ms; long long tm; int res = sscanf(p, "%d:%d:%d.%d", &h, &m, &s, &ms); if (res < 4) { ass_msg(library, MSGL_WARN, "Bad timestamp"); return 0; } tm = ((h * 60LL + m) * 60 + s) * 1000 + ms * 10LL; return tm; } static int read_digits(char **str, unsigned base, uint32_t *res) { char *p = *str; char *start = p; uint32_t val = 0; while (1) { unsigned digit; if (*p >= '0' && *p < FFMIN(base, 10) + '0') digit = *p - '0'; else if (*p >= 'a' && *p < base - 10 + 'a') digit = *p - 'a' + 10; else if (*p >= 'A' && *p < base - 10 + 'A') digit = *p - 'A' + 10; else break; val = val * base + digit; ++p; } *res = val; *str = p; return p != start; } /** * \brief Convert a string to an integer reduced modulo 2**32 * Follows the rules for strtoul but reduces the number modulo 2**32 * instead of saturating it to 2**32 - 1. */ static int mystrtou32_modulo(char **p, unsigned base, uint32_t *res) { // This emulates scanf with %d or %x format as it works on // Windows, because that's what is used by VSFilter. In practice, // scanf works the same way on other platforms too, but // the standard leaves its behavior on overflow undefined. // Unlike scanf and like strtoul, produce 0 for invalid inputs. char *start = *p; int sign = 1; skip_spaces(p); if (**p == '+') ++*p; else if (**p == '-') sign = -1, ++*p; if (base == 16 && !ass_strncasecmp(*p, "0x", 2)) *p += 2; if (read_digits(p, base, res)) { *res *= sign; return 1; } else { *p = start; return 0; } } static int32_t parse_int_header(char *str) { uint32_t val = 0; unsigned base; if (!ass_strncasecmp(str, "&h", 2) || !ass_strncasecmp(str, "0x", 2)) { str += 2; base = 16; } else base = 10; mystrtou32_modulo(&str, base, &val); return val; } static uint32_t parse_color_header(char *str) { uint32_t color = parse_int_header(str); return ass_bswap32(color); } // Return a boolean value for a string static char parse_bool(char *str) { skip_spaces(&str); return !ass_strncasecmp(str, "yes", 3) || strtol(str, NULL, 10) > 0; } static int parse_ycbcr_matrix(char *str) { skip_spaces(&str); if (*str == '\0') return YCBCR_DEFAULT; char *end = str + strlen(str); rskip_spaces(&end, str); // Trim a local copy of the input that we know is safe to // modify. The buffer is larger than any valid string + NUL, // so we can simply chop off the rest of the input. char buffer[16]; size_t n = FFMIN(end - str, sizeof buffer - 1); memcpy(buffer, str, n); buffer[n] = '\0'; if (!ass_strcasecmp(buffer, "none")) return YCBCR_NONE; if (!ass_strcasecmp(buffer, "tv.601")) return YCBCR_BT601_TV; if (!ass_strcasecmp(buffer, "pc.601")) return YCBCR_BT601_PC; if (!ass_strcasecmp(buffer, "tv.709")) return YCBCR_BT709_TV; if (!ass_strcasecmp(buffer, "pc.709")) return YCBCR_BT709_PC; if (!ass_strcasecmp(buffer, "tv.240m")) return YCBCR_SMPTE240M_TV; if (!ass_strcasecmp(buffer, "pc.240m")) return YCBCR_SMPTE240M_PC; if (!ass_strcasecmp(buffer, "tv.fcc")) return YCBCR_FCC_TV; if (!ass_strcasecmp(buffer, "pc.fcc")) return YCBCR_FCC_PC; return YCBCR_UNKNOWN; } #define NEXT(str,token) \ token = next_token(&str); \ if (!token) break; #define ALIAS(alias,name) \ if (ass_strcasecmp(tname, #alias) == 0) {tname = #name;} /* One section started with PARSE_START and PARSE_END parses a single token * (contained in the variable named token) for the header indicated by the * variable tname. It does so by chaining a number of else-if statements, each * of which checks if the tname variable indicates that this header should be * parsed. The first parameter of the macro gives the name of the header. * * The string that is passed is in str. str is advanced to the next token if * a header could be parsed. The parsed results are stored in the variable * target, which has the type ASS_Style* or ASS_Event*. */ #define PARSE_START if (0) { #define PARSE_END } #define ANYVAL(name,func) \ } else if (ass_strcasecmp(tname, #name) == 0) { \ target->name = func(token); #define STRVAL(name) \ } else if (ass_strcasecmp(tname, #name) == 0) { \ char *new_str = strdup(token); \ if (new_str) { \ free(target->name); \ target->name = new_str; \ } #define STARREDSTRVAL(name) \ } else if (ass_strcasecmp(tname, #name) == 0) { \ while (*token == '*') ++token; \ char *new_str = strdup(token); \ if (new_str) { \ free(target->name); \ target->name = new_str; \ } #define COLORVAL(name) ANYVAL(name,parse_color_header) #define INTVAL(name) ANYVAL(name,parse_int_header) #define FPVAL(name) ANYVAL(name,ass_atof) #define TIMEVAL(name) \ } else if (ass_strcasecmp(tname, #name) == 0) { \ target->name = string2timecode(track->library, token); #define STYLEVAL(name) \ } else if (ass_strcasecmp(tname, #name) == 0) { \ target->name = ass_lookup_style(track, token); // skip spaces in str beforehand, or trim leading spaces afterwards static inline void advance_token_pos(const char **const str, const char **const start, const char **const end) { *start = *str; *end = *start; while (**end != '\0' && **end != ',') ++*end; *str = *end + (**end == ','); rskip_spaces((char**)end, (char*)*start); } static char *next_token(char **str) { char *p; char *start; skip_spaces(str); if (**str == '\0') { return 0; } advance_token_pos((const char**)str, (const char**)&start, (const char**)&p); *p = '\0'; return start; } /** * \brief Parse the tail of Dialogue line * \param track track * \param event parsed data goes here * \param str string to parse, zero-terminated * \param n_ignored number of format options to skip at the beginning */ static int process_event_tail(ASS_Track *track, ASS_Event *event, char *str, int n_ignored) { char *token; char *tname; char *p = str; int i; ASS_Event *target = event; char *format = strdup(track->event_format); if (!format) return -1; char *q = format; // format scanning pointer for (i = 0; i < n_ignored; ++i) { NEXT(q, tname); } while (1) { NEXT(q, tname); if (ass_strcasecmp(tname, "Text") == 0) { event->Text = strdup(p); if (event->Text && *event->Text != 0) { char *end = event->Text + strlen(event->Text); while (end > event->Text && (end[-1] == '\r' || end[-1] == '\t' || end[-1] == ' ')) *--end = 0; } event->Duration -= event->Start; free(format); return event->Text ? 0 : -1; // "Text" is always the last } NEXT(p, token); ALIAS(End, Duration) // temporarily store end timecode in event->Duration ALIAS(Actor, Name) // both variants are used in files PARSE_START INTVAL(Layer) STYLEVAL(Style) STRVAL(Name) STRVAL(Effect) INTVAL(MarginL) INTVAL(MarginR) INTVAL(MarginV) TIMEVAL(Start) TIMEVAL(Duration) PARSE_END } free(format); return 1; } static void set_style_alpha(ASS_Style *style, int32_t front_alpha, int32_t back_alpha) { front_alpha = FFMAX(FFMIN(front_alpha, 0xFF), 0); back_alpha = FFMAX(FFMIN(back_alpha, 0xFF), 0); style->PrimaryColour = (style->PrimaryColour & 0xFFFFFF00) | front_alpha; style->SecondaryColour = (style->SecondaryColour & 0xFFFFFF00) | front_alpha; style->OutlineColour = (style->OutlineColour & 0xFFFFFF00) | front_alpha; style->BackColour = (style->BackColour & 0xFFFFFF00) | back_alpha; } /** * \brief Parse command line style overrides (--ass-force-style option) * \param track track to apply overrides to * The format for overrides is [StyleName.]Field=Value */ void ass_process_force_style(ASS_Track *track) { char **fs, *eq, *dt, *style, *tname, *token; ASS_Style *target; int sid; char **list = track->library->style_overrides; if (!list) return; for (fs = list; *fs; ++fs) { eq = strrchr(*fs, '='); if (!eq) continue; *eq = '\0'; token = eq + 1; if (!ass_strcasecmp(*fs, "PlayResX")) track->PlayResX = parse_int_header(token); else if (!ass_strcasecmp(*fs, "PlayResY")) track->PlayResY = parse_int_header(token); else if (!ass_strcasecmp(*fs, "LayoutResX")) track->LayoutResX = parse_int_header(token); else if (!ass_strcasecmp(*fs, "LayoutResY")) track->LayoutResY = parse_int_header(token); else if (!ass_strcasecmp(*fs, "Timer")) track->Timer = ass_atof(token); else if (!ass_strcasecmp(*fs, "WrapStyle")) track->WrapStyle = parse_int_header(token); else if (!ass_strcasecmp(*fs, "ScaledBorderAndShadow")) track->ScaledBorderAndShadow = parse_bool(token); else if (!ass_strcasecmp(*fs, "Kerning")) track->Kerning = parse_bool(token); else if (!ass_strcasecmp(*fs, "YCbCr Matrix")) track->YCbCrMatrix = parse_ycbcr_matrix(token); dt = strrchr(*fs, '.'); if (dt) { *dt = '\0'; style = *fs; tname = dt + 1; } else { style = NULL; tname = *fs; } for (sid = 0; sid < track->n_styles; ++sid) { if (style == NULL || ass_strcasecmp(track->styles[sid].Name, style) == 0) { target = track->styles + sid; PARSE_START STRVAL(FontName) COLORVAL(PrimaryColour) COLORVAL(SecondaryColour) COLORVAL(OutlineColour) COLORVAL(BackColour) } else if (ass_strcasecmp(tname, "AlphaLevel") == 0) { int32_t alpha = parse_int_header(token); set_style_alpha(target, alpha, alpha); FPVAL(FontSize) INTVAL(Bold) INTVAL(Italic) INTVAL(Underline) INTVAL(StrikeOut) FPVAL(Spacing) FPVAL(Angle) INTVAL(BorderStyle) INTVAL(Alignment) INTVAL(Justify) INTVAL(MarginL) INTVAL(MarginR) INTVAL(MarginV) INTVAL(Encoding) FPVAL(ScaleX) FPVAL(ScaleY) FPVAL(Outline) FPVAL(Shadow) FPVAL(Blur) PARSE_END } } *eq = '='; if (dt) *dt = '.'; } } /** * \brief Parse the Style line * \param track track * \param str string to parse, zero-terminated * Allocates a new style struct. */ static int process_style(ASS_Track *track, char *str) { char *token; char *tname; char *p = str; char *format; char *q; // format scanning pointer int sid; ASS_Style *style; ASS_Style *target; if (!track->style_format) { // no style format header // probably an ancient script version if (track->track_type == TRACK_TYPE_SSA) track->style_format = strdup(ssa_style_format); else track->style_format = strdup(ass_style_format); if (!track->style_format) return -1; } q = format = strdup(track->style_format); if (!q) return -1; ass_msg(track->library, MSGL_V, "[%p] Style: %s", track, str); sid = ass_alloc_style(track); if (sid < 0) { free(format); return -1; } style = track->styles + sid; target = style; // fill style with some default values style->ScaleX = 100.; style->ScaleY = 100.; int32_t ssa_alpha = 0; while (1) { NEXT(q, tname); NEXT(p, token); PARSE_START STARREDSTRVAL(Name) STRVAL(FontName) COLORVAL(PrimaryColour) COLORVAL(SecondaryColour) COLORVAL(OutlineColour) // TertiaryColor COLORVAL(BackColour) // SSA uses BackColour for both outline and shadow // this will destroy SSA's TertiaryColour, but i'm not going to use it anyway if (track->track_type == TRACK_TYPE_SSA) target->OutlineColour = target->BackColour; } else if (ass_strcasecmp(tname, "AlphaLevel") == 0) { ssa_alpha = parse_int_header(token); FPVAL(FontSize) INTVAL(Bold) INTVAL(Italic) INTVAL(Underline) INTVAL(StrikeOut) FPVAL(Spacing) FPVAL(Angle) INTVAL(BorderStyle) INTVAL(Alignment) if (track->track_type == TRACK_TYPE_ASS) target->Alignment = numpad2align(target->Alignment); // VSFilter compatibility else if (target->Alignment == 8) target->Alignment = 3; else if (target->Alignment == 4) target->Alignment = 11; INTVAL(MarginL) INTVAL(MarginR) INTVAL(MarginV) INTVAL(Encoding) FPVAL(ScaleX) FPVAL(ScaleY) FPVAL(Outline) FPVAL(Shadow) PARSE_END } free(format); // VSF compat: always set BackColour Alpha to 0x80 in SSA if (track->track_type == TRACK_TYPE_SSA) set_style_alpha(style, ssa_alpha, 0x80); style->ScaleX = FFMAX(style->ScaleX, 0.) / 100.; style->ScaleY = FFMAX(style->ScaleY, 0.) / 100.; style->Spacing = FFMAX(style->Spacing, 0.); style->Outline = FFMAX(style->Outline, 0.); style->Shadow = FFMAX(style->Shadow, 0.); style->Bold = !!style->Bold; style->Italic = !!style->Italic; style->Underline = !!style->Underline; style->StrikeOut = !!style->StrikeOut; if (!style->Name) style->Name = strdup("Default"); if (!style->FontName) style->FontName = strdup("Arial"); if (!style->Name || !style->FontName) { ass_free_style(track, sid); track->n_styles--; return -1; } if (strcmp(target->Name, "Default") == 0) track->default_style = sid; return 0; } static bool format_line_compare(const char *fmt1, const char *fmt2) { #define TOKEN_ALIAS1(token, name, alias) \ if (token ## _end - token ## _start == sizeof( #alias ) - 1 && \ !strncmp(token ## _start, #alias, sizeof( #alias ) - 1)) { \ token ## _start = #name; \ token ## _end = token ## _start + sizeof( #name ) - 1; \ } #define TOKEN_ALIAS(name, alias) TOKEN_ALIAS1(tk1, name, alias) TOKEN_ALIAS1(tk2, name, alias) while (true) { const char *tk1_start, *tk2_start; const char *tk1_end, *tk2_end; skip_spaces((char**)&fmt1); skip_spaces((char**)&fmt2); if (!*fmt1 || !*fmt2) break; advance_token_pos(&fmt1, &tk1_start, &tk1_end); advance_token_pos(&fmt2, &tk2_start, &tk2_end); TOKEN_ALIAS(Name, Actor) if ((tk1_end-tk1_start) != (tk2_end-tk2_start)) return false; if (ass_strncasecmp(tk1_start, tk2_start, tk1_end-tk1_start)) return false; } return *fmt1 == *fmt2; #undef TOKEN_ALIAS #undef TOKEN_ALIAS1 } /** * \brief Set SBAS=1 if not set explicitly in case of custom format line * \param track track * \param fmt format line of file * \param std standard format line * * As of writing libass is the only renderer accepting custom format lines. * For years libass defaultet SBAS to yes instead of no. * To avoid breaking released scripts with custom format lines, * keep SBAS=1 default for custom format files. */ static void custom_format_line_compatibility(ASS_Track *const track, const char *const fmt, const char *const std) { if (!(track->parser_priv->header_flags & SINFO_SCALEDBORDER) && !format_line_compare(fmt, std)) { ass_msg(track->library, MSGL_INFO, "Track has custom format line(s). " "'ScaledBorderAndShadow' will default to 'yes'."); track->ScaledBorderAndShadow = 1; } } static int process_styles_line(ASS_Track *track, char *str) { int ret = 0; if (!strncmp(str, "Format:", 7)) { char *p = str + 7; skip_spaces(&p); free(track->style_format); track->style_format = strdup(p); if (!track->style_format) return -1; ass_msg(track->library, MSGL_DBG2, "Style format: %s", track->style_format); if (track->track_type == TRACK_TYPE_ASS) custom_format_line_compatibility(track, p, ass_style_format); else custom_format_line_compatibility(track, p, ssa_style_format); } else if (!strncmp(str, "Style:", 6)) { char *p = str + 6; skip_spaces(&p); ret = process_style(track, p); } return ret; } static inline void parse_script_type(ASS_Track *track, const char *str) { // VSF compat: don't check for leading 'v' and // parse value from the last non-space backwards const char *p = str + strlen(str); rskip_spaces((char **) &p, (char *) str); size_t len = p - str; if (len < 4) // rskip_spaces stops _at_ last space return; int ver = TRACK_TYPE_SSA; if (*(p-1) == '+') { ver = TRACK_TYPE_ASS; --len; --p; } if (len >= 4 && !strncmp(p-4, "4.00", 4)) track->track_type = ver; } static inline void check_duplicate_info_line(const ASS_Track *const track, const ScriptInfo si, const char *const name) { if (track->parser_priv->header_flags & si) ass_msg(track->library, MSGL_WARN, "Duplicate Script Info Header '%s'. Previous value overwritten!", name); else track->parser_priv->header_flags |= si; } static int process_info_line(ASS_Track *track, char *str) { if (!strncmp(str, "PlayResX:", 9)) { check_duplicate_info_line(track, SINFO_PLAYRESX, "PlayResX"); track->PlayResX = parse_int_header(str + 9); } else if (!strncmp(str, "PlayResY:", 9)) { check_duplicate_info_line(track, SINFO_PLAYRESY, "PlayResY"); track->PlayResY = parse_int_header(str + 9); } else if (!strncmp(str, "LayoutResX:", 11)) { check_duplicate_info_line(track, SINFO_LAYOUTRESX, "LayoutResX"); track->LayoutResX = parse_int_header(str + 11); } else if (!strncmp(str, "LayoutResY:", 11)) { check_duplicate_info_line(track, SINFO_LAYOUTRESY, "LayoutResY"); track->LayoutResY = parse_int_header(str + 11); } else if (!strncmp(str, "Timer:", 6)) { check_duplicate_info_line(track, SINFO_TIMER, "Timer"); track->Timer = ass_atof(str + 6); } else if (!strncmp(str, "WrapStyle:", 10)) { check_duplicate_info_line(track, SINFO_WRAPSTYLE, "WrapStyle"); track->WrapStyle = parse_int_header(str + 10); } else if (!strncmp(str, "ScaledBorderAndShadow:", 22)) { check_duplicate_info_line(track, SINFO_SCALEDBORDER, "ScaledBorderAndShadow"); track->ScaledBorderAndShadow = parse_bool(str + 22); } else if (!strncmp(str, "Kerning:", 8)) { check_duplicate_info_line(track, SINFO_KERNING, "Kerning"); track->Kerning = parse_bool(str + 8); } else if (!strncmp(str, "YCbCr Matrix:", 13)) { check_duplicate_info_line(track, SINFO_COLOURMATRIX, "YCbCr Matrix"); track->YCbCrMatrix = parse_ycbcr_matrix(str + 13); } else if (!strncmp(str, "Language:", 9)) { check_duplicate_info_line(track, SINFO_LANGUAGE, "Language"); char *p = str + 9; while (*p && ass_isspace(*p)) p++; free(track->Language); track->Language = strndup(p, 2); } else if (!strncmp(str, "ScriptType:", 11)) { check_duplicate_info_line(track, SINFO_SCRIPTTYPE, "ScriptType"); parse_script_type(track, str + 11); } else if (!strncmp(str, "; Script generated by ", 22)) { if (!strncmp(str + 22,"FFmpeg/Lavc", 11)) track->parser_priv->header_flags |= GENBY_FFMPEG; } return 0; } static void event_format_fallback(ASS_Track *track) { track->parser_priv->state = PST_EVENTS; if (track->track_type == TRACK_TYPE_SSA) track->event_format = strdup(ssa_event_format); else track->event_format = strdup(ass_event_format); ass_msg(track->library, MSGL_V, "No event format found, using fallback"); } /** * \brief Return if track is post-signature and pre-SBAS ffmpeg track * \param track track */ static bool detect_legacy_conv_subs(ASS_Track *track) { /* * FFmpeg and libav convert srt subtitles to ass. * In legacy versions, they did not set the 'ScaledBorderAndShadow' header, * but expected it to default to yes (which libass did). * To avoid breaking them, we try to detect these * converted subs by common properties of ffmpeg/libav's converted subs. * Since files with custom format lines (-2014.10.11) default to SBAS=1 * regardless of being ffmpeg generated or not, we are only concerned with * post-signature and pre-SBAS ffmpeg-files (2014.10.11-2020.04.17). * We want to avoid matching modified ffmpeg files though. * * Relevant ffmpeg commits are: * 2c77c90684e24ef16f7e7c4462e011434cee6a98 2010.12.29 * Initial conversion format. * Style "Format:" line is mix of SSA and ASS * Event "Format:" line * "Format: Layer, Start, End, Text\r\n" * Only Header in ScriptInfo is "ScriptType: v4.00+" * 0e7782c08ec77739edb0b98ba5d896b45e98235f 2012.06.15 * Adds 'Style' to Event "Format:" line * 5039aadf68deb9ad6dd0737ea11259fe53d3727b 2014.06.18 * Adds PlayerRes(X|Y) (384x288) * (moved below ScriptType: a few minutes later) * 40b9f28641b696c6bb73ce49dc97c2ce2700cbdb 2014.10.11 14:31:23 +0200 * Regular full ASS Event and Style "Format:" lines * 52b0a0ecaa02e17f7e01bead8c3f215f1cfd48dc 2014.10.11 18:37:43 +0200 <== * Signature comment * 56bc0a6736cdc7edab837ff8f304661fd16de0e4 2015.02.08 * Allow custom PlayRes(X|Y) * a8ba2a2c1294a330a0e79ae7f0d3a203a7599166 2020.04.17 * Set 'ScaledBorderAndShadow: yes' * * libav outputs initial ffmpeg format. (no longer maintained) */ // GENBY_FFMPEG and exact ffmpeg headers required if (track->parser_priv->header_flags != (SINFO_SCRIPTTYPE | SINFO_PLAYRESX | SINFO_PLAYRESY | GENBY_FFMPEG)) return false; // Legacy ffmpeg only ever has one style // Check 2 not 1 because libass also adds a def style if (track->n_styles != 2 || strncmp(track->styles[1].Name, "Default", 7)) return false; return true; } static int process_events_line(ASS_Track *track, char *str) { if (!strncmp(str, "Format:", 7)) { char *p = str + 7; skip_spaces(&p); free(track->event_format); track->event_format = strdup(p); if (!track->event_format) return -1; ass_msg(track->library, MSGL_DBG2, "Event format: %s", track->event_format); if (track->track_type == TRACK_TYPE_ASS) custom_format_line_compatibility(track, p, ass_event_format); else custom_format_line_compatibility(track, p, ssa_event_format); // Guess if we are dealing with legacy ffmpeg subs and change accordingly // If file has no event format it was probably not created by ffmpeg/libav if (detect_legacy_conv_subs(track)) { track->ScaledBorderAndShadow = 1; ass_msg(track->library, MSGL_INFO, "Track treated as legacy ffmpeg sub."); } } else if (!strncmp(str, "Dialogue:", 9)) { // This should never be reached for embedded subtitles. // They have slightly different format and are parsed in ass_process_chunk, // called directly from demuxer int eid; ASS_Event *event; // We can't parse events without event_format if (!track->event_format) { event_format_fallback(track); if (!track->event_format) return -1; } str += 9; skip_spaces(&str); eid = ass_alloc_event(track); if (eid < 0) return -1; event = track->events + eid; int ret = process_event_tail(track, event, str, 0); if (!ret) return 0; // If something went wrong, discard the useless Event ass_free_event(track, eid); track->n_events--; return ret; } else { ass_msg(track->library, MSGL_V, "Not understood: '%.30s'", str); } return 0; } static unsigned char *decode_chars(const unsigned char *src, unsigned char *dst, size_t cnt_in) { uint32_t value = 0; for (size_t i = 0; i < cnt_in; i++) value |= (uint32_t) ((src[i] - 33u) & 63) << 6 * (3 - i); *dst++ = value >> 16; if (cnt_in >= 3) *dst++ = value >> 8 & 0xff; if (cnt_in >= 4) *dst++ = value & 0xff; return dst; } static void reset_embedded_font_parsing(ASS_ParserPriv *parser_priv) { free(parser_priv->fontname); free(parser_priv->fontdata); parser_priv->fontname = NULL; parser_priv->fontdata = NULL; parser_priv->fontdata_size = 0; parser_priv->fontdata_used = 0; } static int decode_font(ASS_Track *track) { unsigned char *p; unsigned char *q; size_t i; size_t size; // original size size_t dsize; // decoded size unsigned char *buf = 0; ass_msg(track->library, MSGL_V, "Font: %zu bytes encoded data", track->parser_priv->fontdata_used); size = track->parser_priv->fontdata_used; if (size % 4 == 1) { ass_msg(track->library, MSGL_ERR, "Bad encoded data size"); goto error_decode_font; } buf = malloc(size / 4 * 3 + FFMAX(size % 4, 1) - 1); if (!buf) goto error_decode_font; q = buf; for (i = 0, p = (unsigned char *) track->parser_priv->fontdata; i < size / 4; i++, p += 4) { q = decode_chars(p, q, 4); } if (size % 4 == 2) { q = decode_chars(p, q, 2); } else if (size % 4 == 3) { q = decode_chars(p, q, 3); } dsize = q - buf; assert(dsize == size / 4 * 3 + FFMAX(size % 4, 1) - 1); if (track->library->extract_fonts) { ass_add_font(track->library, track->parser_priv->fontname, (char *) buf, dsize); } error_decode_font: free(buf); reset_embedded_font_parsing(track->parser_priv); return 0; } static int process_fonts_line(ASS_Track *track, char *str) { size_t len; if (!strncmp(str, "fontname:", 9)) { char *p = str + 9; skip_spaces(&p); if (track->parser_priv->fontname) { decode_font(track); } track->parser_priv->fontname = strdup(p); if (!track->parser_priv->fontname) return -1; ass_msg(track->library, MSGL_V, "Fontname: %s", track->parser_priv->fontname); return 0; } if (!track->parser_priv->fontname) { ass_msg(track->library, MSGL_V, "Not understood: '%s'", str); return 1; } len = strlen(str); if (track->parser_priv->fontdata_used >= SIZE_MAX - FFMAX(len, 100 * 1024)) { goto mem_fail; } else if (track->parser_priv->fontdata_used + len > track->parser_priv->fontdata_size) { size_t new_size = track->parser_priv->fontdata_size + FFMAX(len, 100 * 1024); if (!ASS_REALLOC_ARRAY(track->parser_priv->fontdata, new_size)) goto mem_fail; track->parser_priv->fontdata_size = new_size; } if (!track->parser_priv->fontdata) return 0; memcpy(track->parser_priv->fontdata + track->parser_priv->fontdata_used, str, len); track->parser_priv->fontdata_used += len; return 0; mem_fail: reset_embedded_font_parsing(track->parser_priv); return -1; } /** * \brief Parse a header line * \param track track * \param str string to parse, zero-terminated */ static int process_line(ASS_Track *track, char *str) { skip_spaces(&str); if (!ass_strncasecmp(str, "[Script Info]", 13)) { track->parser_priv->state = PST_INFO; } else if (!ass_strncasecmp(str, "[V4 Styles]", 11)) { track->parser_priv->state = PST_STYLES; track->track_type = TRACK_TYPE_SSA; } else if (!ass_strncasecmp(str, "[V4+ Styles]", 12)) { track->parser_priv->state = PST_STYLES; track->track_type = TRACK_TYPE_ASS; } else if (!ass_strncasecmp(str, "[Events]", 8)) { track->parser_priv->state = PST_EVENTS; } else if (!ass_strncasecmp(str, "[Fonts]", 7)) { track->parser_priv->state = PST_FONTS; } else { switch (track->parser_priv->state) { case PST_INFO: process_info_line(track, str); break; case PST_STYLES: process_styles_line(track, str); break; case PST_EVENTS: process_events_line(track, str); break; case PST_FONTS: process_fonts_line(track, str); break; default: break; } } return 0; } static int process_text(ASS_Track *track, char *str) { char *p = str; while (1) { char *q; while (1) { if ((*p == '\r') || (*p == '\n')) ++p; else if (p[0] == '\xef' && p[1] == '\xbb' && p[2] == '\xbf') p += 3; // U+FFFE (BOM) else break; } for (q = p; ((*q != '\0') && (*q != '\r') && (*q != '\n')); ++q) { }; if (q == p) break; if (*q != '\0') *(q++) = '\0'; process_line(track, p); if (*q == '\0') break; p = q; } // there is no explicit end-of-font marker in ssa/ass if (track->parser_priv->fontname) decode_font(track); return 0; } /** * \brief Process a chunk of subtitle stream data. * \param track track * \param data string to parse * \param size length of data */ void ass_process_data(ASS_Track *track, char *data, int size) { char *str = malloc(size + 1); if (!str) return; memcpy(str, data, size); str[size] = '\0'; ass_msg(track->library, MSGL_V, "Event: %s", str); process_text(track, str); free(str); } /** * \brief Process CodecPrivate section of subtitle stream * \param track track * \param data string to parse * \param size length of data CodecPrivate section contains [Stream Info] and [V4+ Styles] ([V4 Styles] for SSA) sections */ void ass_process_codec_private(ASS_Track *track, char *data, int size) { ass_process_data(track, data, size); // probably an mkv produced by ancient mkvtoolnix // such files don't have [Events] and Format: headers if (!track->event_format) event_format_fallback(track); ass_process_force_style(track); } static int check_duplicate_event(ASS_Track *track, int ReadOrder) { if (track->parser_priv->read_order_bitmap) return test_and_set_read_order_bit(track, ReadOrder) > 0; // ignoring last event, it is the one we are comparing with for (int i = 0; i < track->n_events - 1; i++) if (track->events[i].ReadOrder == ReadOrder) return 1; return 0; } void ass_set_check_readorder(ASS_Track *track, int check_readorder) { track->parser_priv->check_readorder = check_readorder == 1; } /** * \brief Process a chunk of subtitle stream data. In Matroska, this contains exactly 1 event (or a commentary). * \param track track * \param data string to parse * \param size length of data * \param timecode starting time of the event (milliseconds) * \param duration duration of the event (milliseconds) */ void ass_process_chunk(ASS_Track *track, char *data, int size, long long timecode, long long duration) { char *str = NULL; int eid; char *p; char *token; ASS_Event *event; int check_readorder = track->parser_priv->check_readorder; if (check_readorder && !track->parser_priv->read_order_bitmap) { for (int i = 0; i < track->n_events; i++) { if (test_and_set_read_order_bit(track, track->events[i].ReadOrder) < 0) break; } } if (!track->event_format) { ass_msg(track->library, MSGL_WARN, "Event format header missing"); goto cleanup; } str = malloc(size + 1); if (!str) goto cleanup; memcpy(str, data, size); str[size] = '\0'; ass_msg(track->library, MSGL_V, "Event at %" PRId64 ", +%" PRId64 ": %s", (int64_t) timecode, (int64_t) duration, str); eid = ass_alloc_event(track); if (eid < 0) goto cleanup; event = track->events + eid; p = str; do { NEXT(p, token); event->ReadOrder = atoi(token); if (check_readorder && check_duplicate_event(track, event->ReadOrder)) break; NEXT(p, token); event->Layer = parse_int_header(token); if (process_event_tail(track, event, p, 3)) break; event->Start = timecode; event->Duration = duration; goto cleanup; // dump_events(tid); } while (0); // some error ass_free_event(track, eid); track->n_events--; cleanup: free(str); } /** * \brief Flush buffered events. * \param track track */ void ass_flush_events(ASS_Track *track) { if (track->events) { int eid; for (eid = 0; eid < track->n_events; eid++) ass_free_event(track, eid); track->n_events = 0; } free(track->parser_priv->read_order_bitmap); track->parser_priv->read_order_bitmap = NULL; track->parser_priv->read_order_elems = 0; } #ifdef CONFIG_ICONV /** \brief recode buffer to utf-8 * constraint: codepage != 0 * \param data pointer to text buffer * \param size buffer size * \return a pointer to recoded buffer, caller is responsible for freeing it **/ static char *sub_recode(ASS_Library *library, char *data, size_t size, char *codepage) { iconv_t icdsc; char *tocp = "UTF-8"; char *outbuf; assert(codepage); if ((icdsc = iconv_open(tocp, codepage)) != (iconv_t) (-1)) { ass_msg(library, MSGL_V, "Opened iconv descriptor"); } else { ass_msg(library, MSGL_ERR, "Error opening iconv descriptor"); return NULL; } { size_t osize = size; size_t ileft = size; size_t oleft = size - 1; char *ip; char *op; size_t rc; int clear = 0; outbuf = malloc(osize); if (!outbuf) goto out; ip = data; op = outbuf; while (1) { if (ileft) rc = iconv(icdsc, &ip, &ileft, &op, &oleft); else { // clear the conversion state and leave clear = 1; rc = iconv(icdsc, NULL, NULL, &op, &oleft); } if (rc == (size_t) (-1)) { if (errno == E2BIG) { size_t offset = op - outbuf; char *nbuf = realloc(outbuf, osize + size); if (!nbuf) { free(outbuf); outbuf = 0; goto out; } outbuf = nbuf; op = outbuf + offset; osize += size; oleft += size; } else { ass_msg(library, MSGL_WARN, "Error recoding file"); free(outbuf); outbuf = NULL; goto out; } } else if (clear) break; } outbuf[osize - oleft - 1] = 0; } out: if (icdsc != (iconv_t) (-1)) { (void) iconv_close(icdsc); ass_msg(library, MSGL_V, "Closed iconv descriptor"); } return outbuf; } #endif // ICONV /** * \brief read file contents into newly allocated buffer * \param fname file name * \param hint file name origin * \param bufsize out: file size * \return pointer to file contents. Caller is responsible for its deallocation. */ char *ass_load_file(ASS_Library *library, const char *fname, FileNameSource hint, size_t *bufsize) { int res; long sz; long bytes_read; char *buf; FILE *fp = ass_open_file(fname, hint); if (!fp) { ass_msg(library, MSGL_WARN, "ass_read_file(%s): fopen failed", fname); return 0; } res = fseek(fp, 0, SEEK_END); if (res == -1) { ass_msg(library, MSGL_WARN, "ass_read_file(%s): fseek failed", fname); fclose(fp); return 0; } sz = ftell(fp); rewind(fp); ass_msg(library, MSGL_V, "File size: %ld", sz); buf = sz < SIZE_MAX ? malloc(sz + 1) : NULL; if (!buf) { fclose(fp); return NULL; } assert(buf); bytes_read = 0; do { res = fread(buf + bytes_read, 1, sz - bytes_read, fp); if (res <= 0) { ass_msg(library, MSGL_INFO, "Read failed, %d: %s", errno, strerror(errno)); fclose(fp); free(buf); return 0; } bytes_read += res; } while (sz - bytes_read > 0); buf[sz] = '\0'; fclose(fp); if (bufsize) *bufsize = sz; return buf; } /* * \param buf pointer to subtitle text in utf-8 */ static ASS_Track *parse_memory(ASS_Library *library, char *buf) { ASS_Track *track; int i; track = ass_new_track(library); if (!track) return NULL; // process header process_text(track, buf); // external SSA/ASS subs does not have ReadOrder field for (i = 0; i < track->n_events; ++i) track->events[i].ReadOrder = i; if (track->track_type == TRACK_TYPE_UNKNOWN) { ass_free_track(track); return 0; } ass_process_force_style(track); return track; } /** * \brief Read subtitles from memory. * \param library libass library object * \param buf pointer to subtitles text * \param bufsize size of buffer * \param codepage recode buffer contents from given codepage * \return newly allocated track */ ASS_Track *ass_read_memory(ASS_Library *library, char *buf, size_t bufsize, char *codepage) { ASS_Track *track; int copied = 0; if (!buf) return 0; #ifdef CONFIG_ICONV if (codepage) { buf = sub_recode(library, buf, bufsize, codepage); if (!buf) return 0; else copied = 1; } #endif if (!copied) { char *newbuf = malloc(bufsize + 1); if (!newbuf) return 0; memcpy(newbuf, buf, bufsize); newbuf[bufsize] = '\0'; buf = newbuf; } track = parse_memory(library, buf); free(buf); if (!track) return 0; ass_msg(library, MSGL_INFO, "Added subtitle file: " " (%d styles, %d events)", track->n_styles, track->n_events); return track; } static char *read_file_recode(ASS_Library *library, char *fname, char *codepage, size_t *size) { char *buf; size_t bufsize; buf = ass_load_file(library, fname, FN_EXTERNAL, &bufsize); if (!buf) return 0; #ifdef CONFIG_ICONV if (codepage) { char *tmpbuf = sub_recode(library, buf, bufsize, codepage); free(buf); buf = tmpbuf; } if (!buf) return 0; #endif *size = bufsize; return buf; } /** * \brief Read subtitles from file. * \param library libass library object * \param fname file name * \param codepage recode buffer contents from given codepage * \return newly allocated track */ ASS_Track *ass_read_file(ASS_Library *library, char *fname, char *codepage) { char *buf; ASS_Track *track; size_t bufsize; buf = read_file_recode(library, fname, codepage, &bufsize); if (!buf) return 0; track = parse_memory(library, buf); free(buf); if (!track) return 0; track->name = strdup(fname); ass_msg(library, MSGL_INFO, "Added subtitle file: '%s' (%d styles, %d events)", fname, track->n_styles, track->n_events); return track; } /** * \brief read styles from file into already initialized track */ int ass_read_styles(ASS_Track *track, char *fname, char *codepage) { char *buf; ParserState old_state; size_t sz; buf = ass_load_file(track->library, fname, FN_EXTERNAL, &sz); if (!buf) return 1; #ifdef CONFIG_ICONV if (codepage) { char *tmpbuf; tmpbuf = sub_recode(track->library, buf, sz, codepage); free(buf); buf = tmpbuf; } if (!buf) return 1; #endif old_state = track->parser_priv->state; track->parser_priv->state = PST_STYLES; process_text(track, buf); free(buf); track->parser_priv->state = old_state; return 0; } long long ass_step_sub(ASS_Track *track, long long now, int movement) { int i; ASS_Event *best = NULL; long long target = now; int direction = (movement > 0 ? 1 : -1) * !!movement; if (track->n_events == 0) return 0; do { ASS_Event *closest = NULL; long long closest_time = now; for (i = 0; i < track->n_events; i++) { if (direction < 0) { long long end = track->events[i].Start + track->events[i].Duration; if (end < target) { if (!closest || end > closest_time) { closest = &track->events[i]; closest_time = end; } } } else if (direction > 0) { long long start = track->events[i].Start; if (start > target) { if (!closest || start < closest_time) { closest = &track->events[i]; closest_time = start; } } } else { long long start = track->events[i].Start; if (start < target) { if (!closest || start >= closest_time) { closest = &track->events[i]; closest_time = start; } } } } target = closest_time + direction; movement -= direction; if (closest) best = closest; } while (movement); return best ? best->Start - now : 0; } ASS_Track *ass_new_track(ASS_Library *library) { int def_sid = -1; ASS_Track *track = calloc(1, sizeof(ASS_Track)); if (!track) goto fail; track->library = library; track->ScaledBorderAndShadow = 0; track->parser_priv = calloc(1, sizeof(ASS_ParserPriv)); if (!track->parser_priv) goto fail; def_sid = ass_alloc_style(track); if (def_sid < 0) goto fail; set_default_style(track->styles + def_sid); track->default_style = def_sid; if (!track->styles[def_sid].Name || !track->styles[def_sid].FontName) goto fail; track->parser_priv->check_readorder = 1; return track; fail: if (track) { if (def_sid >= 0) ass_free_style(track, def_sid); free(track->parser_priv); free(track); } return NULL; } int ass_track_set_feature(ASS_Track *track, ASS_Feature feature, int enable) { if (feature >= sizeof(track->parser_priv->feature_flags) * CHAR_BIT || feature < 0) return -1; // all supported non-meta features static const uint32_t supported = #ifdef USE_FRIBIDI_EX_API FEATURE_MASK(ASS_FEATURE_BIDI_BRACKETS) | #endif #ifdef CONFIG_UNIBREAK FEATURE_MASK(ASS_FEATURE_WRAP_UNICODE) | #endif FEATURE_MASK(ASS_FEATURE_WHOLE_TEXT_LAYOUT) | 0; uint32_t requested = 0; switch (feature) { case ASS_FEATURE_INCOMPATIBLE_EXTENSIONS: requested = supported; break; default: if (!(FEATURE_MASK(feature) & supported)) return -1; requested = FEATURE_MASK(feature); } if (enable) track->parser_priv->feature_flags |= requested; else track->parser_priv->feature_flags &= ~requested; return 0; } /** * \brief Prepare track for rendering */ void ass_lazy_track_init(ASS_Library *lib, ASS_Track *track) { if (track->PlayResX > 0 && track->PlayResY > 0) return; if (track->PlayResX <= 0 && track->PlayResY <= 0) { ass_msg(lib, MSGL_WARN, "Neither PlayResX nor PlayResY defined. Assuming 384x288"); track->PlayResX = 384; track->PlayResY = 288; } else { if (track->PlayResY <= 0 && track->PlayResX == 1280) { track->PlayResY = 1024; ass_msg(lib, MSGL_WARN, "PlayResY undefined, setting to %d", track->PlayResY); } else if (track->PlayResY <= 0) { track->PlayResY = FFMAX(1, track->PlayResX * 3LL / 4); ass_msg(lib, MSGL_WARN, "PlayResY undefined, setting to %d", track->PlayResY); } else if (track->PlayResX <= 0 && track->PlayResY == 1024) { track->PlayResX = 1280; ass_msg(lib, MSGL_WARN, "PlayResX undefined, setting to %d", track->PlayResX); } else if (track->PlayResX <= 0) { track->PlayResX = FFMAX(1, track->PlayResY * 4LL / 3); ass_msg(lib, MSGL_WARN, "PlayResX undefined, setting to %d", track->PlayResX); } } } libass-0.17.1/libass/ass.h0000644060175106017510000007413314376664500012253 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_ASS_H #define LIBASS_ASS_H #include #include #include "ass_types.h" #define LIBASS_VERSION 0x01701000 #ifdef __cplusplus extern "C" { #endif #if (defined(__GNUC__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))) || defined(__clang__) #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) || defined(__clang__) #define ASS_DEPRECATED(msg) __attribute__((deprecated(msg))) #else #define ASS_DEPRECATED(msg) __attribute__((deprecated)) #endif #if __GNUC__ > 5 || defined(__clang__) #define ASS_DEPRECATED_ENUM(msg) __attribute__((deprecated(msg))) #else #define ASS_DEPRECATED_ENUM(msg) #endif #elif defined(_MSC_VER) #define ASS_DEPRECATED(msg) __declspec(deprecated(msg)) #define ASS_DEPRECATED_ENUM(msg) #else #define ASS_DEPRECATED(msg) #define ASS_DEPRECATED_ENUM(msg) #endif /* * A linked list of images produced by an ass renderer. * * These images have to be rendered in-order for the correct screen * composition. The libass renderer clips these bitmaps to the frame size. * w/h can be zero, in this case the bitmap should not be rendered at all. * The last bitmap row is not guaranteed to be padded up to stride size, * e.g. in the worst case a bitmap has the size stride * (h - 1) + w. */ typedef struct ass_image { int w, h; // Bitmap width/height int stride; // Bitmap stride unsigned char *bitmap; // 1bpp stride*h alpha buffer // Note: the last row may not be padded to // bitmap stride! uint32_t color; // Bitmap color and alpha, RGBA // For full VSFilter compatibility, the value // must be transformed as described in // ass_types.h for ASS_YCbCrMatrix int dst_x, dst_y; // Bitmap placement inside the video frame struct ass_image *next; // Next image, or NULL enum { IMAGE_TYPE_CHARACTER, IMAGE_TYPE_OUTLINE, IMAGE_TYPE_SHADOW } type; // New fields can be added here in new ABI-compatible library releases. } ASS_Image; /* * Hinting type. (see ass_set_hinting below) * * Setting hinting to anything but ASS_HINTING_NONE will put libass in a mode * that reduces compatibility with vsfilter and many ASS scripts. The main * problem is that hinting conflicts with smooth scaling, which precludes * animations and precise positioning. * * In other words, enabling hinting might break some scripts severely. * * FreeType's native hinter is still buggy sometimes and it is recommended * to use the light autohinter, ASS_HINTING_LIGHT, instead. For best * compatibility with problematic fonts, disable hinting. */ typedef enum { ASS_HINTING_NONE = 0, ASS_HINTING_LIGHT, ASS_HINTING_NORMAL, ASS_HINTING_NATIVE } ASS_Hinting; /** * \brief Text shaping levels. * * SIMPLE is a fast, font-agnostic shaper that can do only substitutions. * COMPLEX is a slower shaper using OpenType for substitutions and positioning. * * libass uses the best shaper available by default. */ typedef enum { ASS_SHAPING_SIMPLE = 0, ASS_SHAPING_COMPLEX } ASS_ShapingLevel; /** * \brief Style override options. See * ass_set_selective_style_override_enabled() for details. */ typedef enum { /** * Default mode (with no other bits set). All selective override features * as well as the style set with ass_set_selective_style_override() are * disabled, but traditional overrides like ass_set_font_scale() are * applied unconditionally. */ ASS_OVERRIDE_DEFAULT = 0, /** * Apply the style as set with ass_set_selective_style_override() on events * which look like dialogue. Other style overrides are also applied this * way, except ass_set_font_scale(). How ass_set_font_scale() is applied * depends on the ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE flag. * * This is equivalent to setting all of the following bits: * * ASS_OVERRIDE_BIT_FONT_NAME * ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS * ASS_OVERRIDE_BIT_COLORS * ASS_OVERRIDE_BIT_BORDER * ASS_OVERRIDE_BIT_ATTRIBUTES */ ASS_OVERRIDE_BIT_STYLE = 1 << 0, /** * Apply ass_set_font_scale() only on events which look like dialogue. * If not set, the font scale is applied to all events. (The behavior and * name of this flag are unintuitive, but exist for compatibility) */ ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE = 1 << 1, /** * Old alias for ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE. Deprecated. Do not use. */ ASS_OVERRIDE_BIT_FONT_SIZE ASS_DEPRECATED_ENUM("replaced by ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE") = 1 << 1, /** * On dialogue events override: FontSize, Spacing, Blur, ScaleX, ScaleY */ ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS = 1 << 2, /** * On dialogue events override: FontName, treat_fontname_as_pattern */ ASS_OVERRIDE_BIT_FONT_NAME = 1 << 3, /** * On dialogue events override: PrimaryColour, SecondaryColour, OutlineColour, BackColour */ ASS_OVERRIDE_BIT_COLORS = 1 << 4, /** * On dialogue events override: Bold, Italic, Underline, StrikeOut */ ASS_OVERRIDE_BIT_ATTRIBUTES = 1 << 5, /** * On dialogue events override: BorderStyle, Outline, Shadow */ ASS_OVERRIDE_BIT_BORDER = 1 << 6, /** * On dialogue events override: Alignment */ ASS_OVERRIDE_BIT_ALIGNMENT = 1 << 7, /** * On dialogue events override: MarginL, MarginR, MarginV */ ASS_OVERRIDE_BIT_MARGINS = 1 << 8, /** * Unconditionally replace all fields of all styles with the one provided * with ass_set_selective_style_override(). * Does not apply ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE. * Add ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS and ASS_OVERRIDE_BIT_BORDER if * you want FontSize, Spacing, Outline, Shadow to be scaled to the script * resolution given by the ASS_Track. */ ASS_OVERRIDE_FULL_STYLE = 1 << 9, /** * On dialogue events override: Justify */ ASS_OVERRIDE_BIT_JUSTIFY = 1 << 10, // New enum values can be added here in new ABI-compatible library releases. } ASS_OverrideBits; /** * \brief Return the version of library. This returns the value LIBASS_VERSION * was set to when the library was compiled. * \return library version */ int ass_library_version(void); /** * \brief Default Font provider to load fonts in libass' database * * NONE don't use any default font provider for font lookup * AUTODETECT use the first available font provider * CORETEXT force a CoreText based font provider (OS X only) * DIRECTWRITE force a DirectWrite based font provider (Microsoft Win32 only) * FONTCONFIG force a Fontconfig based font provider * * libass uses the best shaper available by default. */ typedef enum { ASS_FONTPROVIDER_NONE = 0, ASS_FONTPROVIDER_AUTODETECT = 1, ASS_FONTPROVIDER_CORETEXT, ASS_FONTPROVIDER_FONTCONFIG, ASS_FONTPROVIDER_DIRECTWRITE, } ASS_DefaultFontProvider; typedef enum { /** * Enable libass extensions that would display ASS subtitles incorrectly. * These may be useful for applications, which use libass as renderer for * subtitles converted from another format, or which use libass for other * purposes that do not involve actual ASS subtitles authored for * distribution. */ ASS_FEATURE_INCOMPATIBLE_EXTENSIONS, /** * Match bracket pairs in bidirectional text according to the revised * Unicode Bidirectional Algorithm introduced in Unicode 6.3. * This is incompatible with VSFilter and disabled by default. * * (Directional isolates, also introduced in Unicode 6.3, * are unconditionally processed when FriBidi is new enough.) * * This feature may be unavailable at runtime (ass_track_set_feature * may return -1) if libass was compiled against old FriBidi. */ ASS_FEATURE_BIDI_BRACKETS, /** * When this feature is disabled, text is split into VSFilter-compatible * segments and text in each segment is processed in isolation. * Notably, this includes running the Unicode Bidirectional * Algorithm and shaping the text within each run separately. * The individual runs are then laid out left-to-right, * even if they contain right-to-left text. * * When this feature is enabled, each event's text is processed as a whole * (as far as possible). In particular, the Unicode Bidirectional * Algorithm is run on the whole text, and text is shaped across * override tags. * * This is incompatible with VSFilter and disabled by default. * * libass extensions to ASS such as Encoding -1 can cause individual * events to be always processed as if this feature is enabled. */ ASS_FEATURE_WHOLE_TEXT_LAYOUT, /** * Break lines according to the Unicode Line Breaking Algorithm. * If the track language is set, some additional language-specific tweaks * may be applied. Setting this enables more breaking opportunities * compared to classic ASS. However, it is still possible for long words * without breaking opportunities to cause overfull lines. * This is incompatible with VSFilter and disabled by default. * * This feature may be unavailable at runtime if * libass was compiled without libunibreak support. */ ASS_FEATURE_WRAP_UNICODE, // New enum values can be added here in new ABI-compatible library releases. } ASS_Feature; /** * \brief Initialize the library. * \return library handle or NULL if failed */ ASS_Library *ass_library_init(void); /** * \brief Finalize the library * \param priv library handle */ void ass_library_done(ASS_Library *priv); /** * \brief Set additional fonts directory. * Optional directory that will be scanned for fonts. The fonts * found are used for font lookup. * NOTE: A valid font directory is not needed to support embedded fonts. * On Microsoft Windows, when using WIN32-APIs, fonts_dir must be in either * UTF-8 mixed with lone or paired UTF-16 surrogates encoded like in CESU-8 * or the encoding accepted by fopen with the former taking precedence * if both versions are valid and exist. * On all other systems there is no need for special considerations like that. * * \param priv library handle * \param fonts_dir directory with additional fonts */ void ass_set_fonts_dir(ASS_Library *priv, const char *fonts_dir); /** * \brief Whether fonts should be extracted from track data. * \param priv library handle * \param extract whether to extract fonts */ void ass_set_extract_fonts(ASS_Library *priv, int extract); /** * \brief Register style overrides with a library instance. * The overrides should have the form [Style.]Param=Value, e.g. * SomeStyle.Font=Arial * ScaledBorderAndShadow=yes * * \param priv library handle * \param list NULL-terminated list of strings */ void ass_set_style_overrides(ASS_Library *priv, char **list); /** * \brief Explicitly process style overrides for a track. * \param track track handle */ void ass_process_force_style(ASS_Track *track); /** * \brief Register a callback for debug/info messages. * If a callback is registered, it is called for every message emitted by * libass. The callback receives a format string and a list of arguments, * to be used for the printf family of functions. Additionally, a log level * from 0 (FATAL errors) to 7 (verbose DEBUG) is passed. Usually, level 5 * should be used by applications. * If no callback is set, all messages level < 5 are printed to stderr, * prefixed with [ass]. * * \param priv library handle * \param msg_cb pointer to callback function * \param data additional data, will be passed to callback */ void ass_set_message_cb(ASS_Library *priv, void (*msg_cb) (int level, const char *fmt, va_list args, void *data), void *data); /** * \brief Initialize the renderer. * \param priv library handle * \return renderer handle or NULL if failed * * NOTE: before rendering starts the renderer should also be * configured with at least ass_set_storage_size(), * ass_set_frame_size() and ass_set_fonts(); * see respective docs. */ ASS_Renderer *ass_renderer_init(ASS_Library *); /** * \brief Finalize the renderer. * \param priv renderer handle */ void ass_renderer_done(ASS_Renderer *priv); /** * \brief Set the frame size in pixels, including margins. * The renderer will never return images that are outside of the frame area. * The value set with this function can influence the pixel aspect ratio used * for rendering. * If after compensating for configured margins the frame size * is not an isotropically scaled version of the video display size, * you may have to use ass_set_pixel_aspect(). * @see ass_set_pixel_aspect() * @see ass_set_margins() * \param priv renderer handle * \param w width * \param h height * * NOTE: frame size must be configured before an ASS_Renderer can be used. */ void ass_set_frame_size(ASS_Renderer *priv, int w, int h); /** * \brief Set the source image size in pixels. * This affects some ASS tags like e.g. 3D transforms and * is used to calculate the source aspect ratio and blur scale. * If subtitles specify valid LayoutRes* headers, those will take precedence. * The source image size can be reset to default by setting w and h to 0. * The value set with this function can influence the pixel aspect ratio used * for rendering. * The values must be the actual storage size of the video stream, * without any anamorphic de-squeeze applied. * @see ass_set_pixel_aspect() * \param priv renderer handle * \param w width * \param h height * * NOTE: storage size must be configured to get correct results, * otherwise libass is forced to make a fallible guess. */ void ass_set_storage_size(ASS_Renderer *priv, int w, int h); /** * \brief Set shaping level. This is merely a hint, the renderer will use * whatever is available if the request cannot be fulfilled. * \param level shaping level */ void ass_set_shaper(ASS_Renderer *priv, ASS_ShapingLevel level); /** * \brief Set frame margins. These values may be negative if pan-and-scan * is used. The margins are in pixels. Each value specifies the distance from * the video rectangle to the renderer frame. If a given margin value is * positive, there will be free space between renderer frame and video area. * If a given margin value is negative, the frame is inside the video, i.e. * the video has been cropped. * * The renderer will try to keep subtitles inside the frame area. If possible, * text is layout so that it is inside the cropped area. Subtitle events * that can't be moved are cropped against the frame area. * * ass_set_use_margins() can be used to allow libass to render subtitles into * the empty areas if margins are positive, i.e. the video area is smaller than * the frame. (Traditionally, this has been used to show subtitles in * the bottom "black bar" between video bottom screen border when playing 16:9 * video on a 4:3 screen.) * * \param priv renderer handle * \param t top margin * \param b bottom margin * \param l left margin * \param r right margin */ void ass_set_margins(ASS_Renderer *priv, int t, int b, int l, int r); /** * \brief Whether margins should be used for placing regular events. * \param priv renderer handle * \param use whether to use the margins */ void ass_set_use_margins(ASS_Renderer *priv, int use); /** * \brief Set pixel aspect ratio correction. * This is the ratio of pixel width to pixel height. * * Generally, this is (d_w / d_h) / (s_w / s_h), where s_w and s_h is the * video storage size, and d_w and d_h is the video display size. (Display * and storage size can be different for anamorphic video, such as DVDs.) * * If the pixel aspect ratio is 0, or if the aspect ratio has never been set * by calling this function, libass will calculate a default pixel aspect ratio * out of values set with ass_set_frame_size() and ass_set_storage_size(). Note * that this default assumes the frame size after compensating for margins * corresponds to an isotropically scaled version of the video display size. * If the storage size has not been set, a pixel aspect ratio of 1 is assumed. * * If subtitles specify valid LayoutRes* headers, the API-configured * pixel aspect value is discarded in favour of one calculated out of the * headers and values set with ass_set_frame_size(). * * \param priv renderer handle * \param par pixel aspect ratio (1.0 means square pixels, 0 means default) */ void ass_set_pixel_aspect(ASS_Renderer *priv, double par); /** * \brief Set aspect ratio parameters. * This calls ass_set_pixel_aspect(priv, dar / sar). * @deprecated New code should use ass_set_pixel_aspect(). * \param priv renderer handle * \param dar display aspect ratio (DAR), prescaled for output PAR * \param sar storage aspect ratio (SAR) */ ASS_DEPRECATED("use 'ass_set_pixel_aspect' instead") void ass_set_aspect_ratio(ASS_Renderer *priv, double dar, double sar); /** * \brief Set a fixed font scaling factor. * \param priv renderer handle * \param font_scale scaling factor, default is 1.0 */ void ass_set_font_scale(ASS_Renderer *priv, double font_scale); /** * \brief Set font hinting method. * \param priv renderer handle * \param ht hinting method */ void ass_set_hinting(ASS_Renderer *priv, ASS_Hinting ht); /** * \brief Set line spacing. Will not be scaled with frame size. * \param priv renderer handle * \param line_spacing line spacing in pixels */ void ass_set_line_spacing(ASS_Renderer *priv, double line_spacing); /** * \brief Set vertical line position. * \param priv renderer handle * \param line_position vertical line position of subtitles in percent * (0-100: 0 = on the bottom (default), 100 = on top) */ void ass_set_line_position(ASS_Renderer *priv, double line_position); /** * \brief Get the list of available font providers. The output array * is allocated with malloc and can be released with free(). If an * allocation error occurs, size is set to (size_t)-1. * \param priv library handle * \param providers output, list of default providers (malloc'ed array) * \param size output, number of providers * \return list of available font providers (user owns the returned array) */ void ass_get_available_font_providers(ASS_Library *priv, ASS_DefaultFontProvider **providers, size_t *size); /** * \brief Set font lookup defaults. * \param default_font path to default font to use. Must be supplied if * all system fontproviders are disabled or unavailable. * \param default_family fallback font family, or NULL * \param dfp which font provider to use (one of ASS_DefaultFontProvider). In * older libass version, this could be 0 or 1, where 1 enabled fontconfig. * Newer relases also accept 0 (ASS_FONTPROVIDER_NONE) and 1 * (ASS_FONTPROVIDER_AUTODETECT), which is almost backward-compatible. * If the requested fontprovider does not exist or fails to initialize, the * behavior is the same as when ASS_FONTPROVIDER_NONE was passed. * \param config path to fontconfig configuration file, or NULL. Only relevant * if fontconfig is used. The encoding must match the one accepted by fontconfig. * \param update whether fontconfig cache should be built/updated now. Only * relevant if fontconfig is used. * * NOTE: font lookup must be configured before an ASS_Renderer can be used. */ void ass_set_fonts(ASS_Renderer *priv, const char *default_font, const char *default_family, int dfp, const char *config, int update); /** * \brief Set selective style override mode. * If enabled, the renderer attempts to override the ASS script's styling of * normal subtitles, without affecting explicitly positioned text. If an event * looks like a normal subtitle, parts of the font style are copied from the * user style set with ass_set_selective_style_override(). * Warning: the heuristic used for deciding when to override the style is rather * rough, and enabling this option can lead to incorrectly rendered * subtitles. Since the ASS format doesn't have any support for * allowing end-users to customize subtitle styling, this feature can * only be implemented on "best effort" basis, and has to rely on * heuristics that can easily break. * \param priv renderer handle * \param bits bit mask comprised of ASS_OverrideBits values. */ void ass_set_selective_style_override_enabled(ASS_Renderer *priv, int bits); /** * \brief Set style for selective style override. * See ass_set_selective_style_override_enabled(). * \param style style settings to use if override is enabled. Applications * should initialize it with {0} before setting fields. Strings will be copied * by the function. */ void ass_set_selective_style_override(ASS_Renderer *priv, ASS_Style *style); /** * \brief This is a stub and does nothing. Old documentation: Update/build font * cache. This needs to be called if it was disabled when ass_set_fonts was set. * * \param priv renderer handle * \return success */ ASS_DEPRECATED("it does nothing") int ass_fonts_update(ASS_Renderer *priv); /** * \brief Set hard cache limits. Do not set, or set to zero, for reasonable * defaults. * * \param priv renderer handle * \param glyph_max maximum number of cached glyphs * \param bitmap_max_size maximum bitmap cache size (in MB) */ void ass_set_cache_limits(ASS_Renderer *priv, int glyph_max, int bitmap_max_size); /** * \brief Render a frame, producing a list of ASS_Image. * \param priv renderer handle * \param track subtitle track * \param now video timestamp in milliseconds * \param detect_change compare to the previous call and set to 1 * if positions may have changed, or set to 2 if content may have changed. */ ASS_Image *ass_render_frame(ASS_Renderer *priv, ASS_Track *track, long long now, int *detect_change); /* * The following functions operate on track objects and do not need * an ass_renderer */ /** * \brief Allocate a new empty track object. * \param library handle * \return pointer to empty track or NULL on failure */ ASS_Track *ass_new_track(ASS_Library *); /** * \brief Enable or disable certain features * This manages flags that control the behavior of the renderer and how certain * tags etc. within the track are interpreted. The defaults on a newly created * ASS_Track are such that rendering is compatible with traditional renderers * like VSFilter, and/or old versions of libass. Calling ass_process_data() or * ass_process_codec_private() may change some of these flags according to file * headers. (ass_process_chunk() will not change any of the flags.) * Additions to ASS_Feature are backward compatible to old libass releases (ABI * compatibility). * After calling ass_render_frame, changing features is no longer allowed. * \param track track * \param feature the specific feature to enable or disable * \param enable 0 for disable, any non-0 value for enable * \return 0 if feature set, -1 if feature is unknown */ int ass_track_set_feature(ASS_Track *track, ASS_Feature feature, int enable); /** * \brief Deallocate track and all its child objects (styles and events). * \param track track to deallocate or NULL */ void ass_free_track(ASS_Track *track); /** * \brief Allocate new style. * \param track track * \return newly allocated style id >= 0, or a value < 0 on failure * See GENERAL NOTE in ass_types.h. */ int ass_alloc_style(ASS_Track *track); /** * \brief Allocate new event. * \param track track * \return newly allocated event id >= 0, or a value < 0 on failure * See GENERAL NOTE in ass_types.h. */ int ass_alloc_event(ASS_Track *track); /** * \brief Delete a style. * \param track track * \param sid style id * Deallocates style data. Does not modify track->n_styles. * Freeing a style without subsequently setting track->n_styles * to a value less than or equal to the freed style id before calling * any other libass API function on the track is undefined behaviour. * Additionally a freed style style still being referenced by an event * in track->events will also result in undefined behaviour. * See GENERAL NOTE in ass_types.h. */ void ass_free_style(ASS_Track *track, int sid); /** * \brief Delete an event. * \param track track * \param eid event id * Deallocates event data. Does not modify track->n_events. * Freeing an event without subsequently setting track->n_events * to a value less than or equal to the freed event id before calling * any other libass API function on the track is undefined behaviour. * See GENERAL NOTE in ass_types.h */ void ass_free_event(ASS_Track *track, int eid); /** * \brief Parse a chunk of subtitle stream data. * \param track track * \param data string to parse * \param size length of data */ void ass_process_data(ASS_Track *track, char *data, int size); /** * \brief Parse Codec Private section of the subtitle stream, in Matroska * format. See the Matroska specification for details. * \param track target track * \param data string to parse * \param size length of data */ void ass_process_codec_private(ASS_Track *track, char *data, int size); /** * \brief Parse a chunk of subtitle stream data. A chunk contains exactly one * event in Matroska format. See the Matroska specification for details. * In later libass versions (since LIBASS_VERSION==0x01300001), using this * function means you agree not to modify events manually, or using other * functions manipulating the event list like ass_process_data(). If you do * anyway, the internal duplicate checking might break. Calling * ass_flush_events() is still allowed. * \param track track * \param data string to parse * \param size length of data * \param timecode starting time of the event (milliseconds) * \param duration duration of the event (milliseconds) */ void ass_process_chunk(ASS_Track *track, char *data, int size, long long timecode, long long duration); /** * \brief Set whether the ReadOrder field when processing a packet with * ass_process_chunk() should be used for eliminating duplicates. * \param check_readorder 0 means do not try to eliminate duplicates; 1 means * use the ReadOrder field embedded in the packet as unique identifier, and * discard the packet if there was already a packet with the same ReadOrder. * Other values are undefined. * If this function is not called, the default value is 1. */ void ass_set_check_readorder(ASS_Track *track, int check_readorder); /** * \brief Flush buffered events. * \param track track */ void ass_flush_events(ASS_Track *track); /** * \brief Read subtitles from file. * \param library library handle * \param fname file name * \param codepage encoding (iconv format) * \return newly allocated track or NULL on failure * NOTE: On Microsoft Windows, when using WIN32-APIs, fname must be in either * UTF-8 mixed with lone or paired UTF-16 surrogates encoded like in CESU-8 * or the encoding accepted by fopen with the former taking precedence * if both versions are valid and exist. * On all other systems there is no need for special considerations like that. */ ASS_Track *ass_read_file(ASS_Library *library, char *fname, char *codepage); /** * \brief Read subtitles from memory. * \param library library handle * \param buf pointer to subtitles text * \param bufsize size of buffer * \param codepage encoding (iconv format) * \return newly allocated track or NULL on failure */ ASS_Track *ass_read_memory(ASS_Library *library, char *buf, size_t bufsize, char *codepage); /** * \brief Read styles from file into already initialized track. * \param fname file name * \param codepage encoding (iconv format) * \return 0 on success * NOTE: On Microsoft Windows, when using WIN32-APIs, fname must be in either * UTF-8 mixed with lone or paired UTF-16 surrogates encoded like in CESU-8 * or the encoding accepted by fopen with the former taking precedence * if both versions are valid and exist. * On all other systems there is no need for special considerations like that. */ int ass_read_styles(ASS_Track *track, char *fname, char *codepage); /** * \brief Add a memory font. * \param library library handle * \param name attachment name * \param data binary font data * \param data_size data size */ void ass_add_font(ASS_Library *library, const char *name, const char *data, int data_size); /** * \brief Remove all fonts stored in an ass_library object. * This can only be called safely if all ASS_Track and ASS_Renderer instances * associated with the library handle have been released first. * \param library library handle */ void ass_clear_fonts(ASS_Library *library); /** * \brief Calculates timeshift from now to the start of some other subtitle * event, depending on movement parameter. * \param track subtitle track * \param now current time in milliseconds * \param movement how many events to skip from the one currently displayed * +2 means "the one after the next", -1 means "previous" * \return timeshift in milliseconds */ long long ass_step_sub(ASS_Track *track, long long now, int movement); #undef ASS_DEPRECATED #undef ASS_DEPRECATED_ENUM #ifdef __cplusplus } #endif #endif /* LIBASS_ASS_H */ libass-0.17.1/libass/ass_bitmap.c0000644060175106017510000002725714376664500013607 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2011 Grigori Goronzy * Copyright (c) 2011-2014, Yu Zhuohuang * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include #include #include FT_GLYPH_H #include FT_OUTLINE_H #include "ass_utils.h" #include "ass_outline.h" #include "ass_bitmap.h" #include "ass_render.h" #define ALIGN C_ALIGN_ORDER #define DECORATE(func) ass_##func##_c #include "ass_func_template.h" #undef ALIGN #undef DECORATE #if CONFIG_ASM && ARCH_X86 #define ALIGN 4 #define DECORATE(func) ass_##func##_sse2 #include "ass_func_template.h" #undef ALIGN #undef DECORATE #define ALIGN 5 #define DECORATE(func) ass_##func##_avx2 #include "ass_func_template.h" #undef ALIGN #undef DECORATE #endif static void be_blur_pre(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height) { for (int y = 0; y < height; ++y) { for (int x = 0; x < width; ++x) { // This is equivalent to (value * 64 + 127) / 255 for all // values from 0 to 256 inclusive. Assist vectorizing // compilers by noting that all temporaries fit in 8 bits. buf[y * stride + x] = (uint8_t) ((buf[y * stride + x] >> 1) + 1) >> 1; } } } static void be_blur_post(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height) { for (int y = 0; y < height; ++y) { for (int x = 0; x < width; ++x) { // This is equivalent to (value * 255 + 32) / 64 for all values // from 0 to 96 inclusive, and we only care about 0 to 64. uint8_t value = buf[y * stride + x]; buf[y * stride + x] = (value << 2) - (value > 32); } } } void ass_synth_blur(const BitmapEngine *engine, Bitmap *bm, int be, double blur_r2x, double blur_r2y) { if (!bm->buffer) return; // Apply gaussian blur if (blur_r2x > 0.001 || blur_r2y > 0.001) ass_gaussian_blur(engine, bm, blur_r2x, blur_r2y); if (!be) return; // Apply box blur (multiple passes, if requested) unsigned align = 1 << engine->align_order; size_t size = sizeof(uint16_t) * bm->stride * 2; uint16_t *tmp = ass_aligned_alloc(align, size, false); if (!tmp) return; int32_t w = bm->w; int32_t h = bm->h; ptrdiff_t stride = bm->stride; uint8_t *buf = bm->buffer; if (--be) { be_blur_pre(buf, stride, w, h); do { engine->be_blur(buf, stride, w, h, tmp); } while (--be); be_blur_post(buf, stride, w, h); } engine->be_blur(buf, stride, w, h, tmp); ass_aligned_free(tmp); } bool ass_alloc_bitmap(const BitmapEngine *engine, Bitmap *bm, int32_t w, int32_t h, bool zero) { unsigned align = 1 << engine->align_order; size_t s = ass_align(align, w); // Too often we use ints as offset for bitmaps => use INT_MAX. if (s > (INT_MAX - align) / FFMAX(h, 1)) return false; uint8_t *buf = ass_aligned_alloc(align, s * h + align, zero); if (!buf) return false; bm->w = w; bm->h = h; bm->stride = s; bm->buffer = buf; return true; } bool ass_realloc_bitmap(const BitmapEngine *engine, Bitmap *bm, int32_t w, int32_t h) { uint8_t *old = bm->buffer; if (!ass_alloc_bitmap(engine, bm, w, h, false)) return false; ass_aligned_free(old); return true; } void ass_free_bitmap(Bitmap *bm) { ass_aligned_free(bm->buffer); } bool ass_copy_bitmap(const BitmapEngine *engine, Bitmap *dst, const Bitmap *src) { if (!src->buffer) { memset(dst, 0, sizeof(*dst)); return true; } if (!ass_alloc_bitmap(engine, dst, src->w, src->h, false)) return false; dst->left = src->left; dst->top = src->top; memcpy(dst->buffer, src->buffer, src->stride * src->h); return true; } bool ass_outline_to_bitmap(RenderContext *state, Bitmap *bm, ASS_Outline *outline1, ASS_Outline *outline2) { ASS_Renderer *render_priv = state->renderer; RasterizerData *rst = &state->rasterizer; if (outline1 && !ass_rasterizer_set_outline(rst, outline1, false)) { ass_msg(render_priv->library, MSGL_WARN, "Failed to process glyph outline!\n"); return false; } if (outline2 && !ass_rasterizer_set_outline(rst, outline2, !!outline1)) { ass_msg(render_priv->library, MSGL_WARN, "Failed to process glyph outline!\n"); return false; } if (rst->bbox.x_min > rst->bbox.x_max || rst->bbox.y_min > rst->bbox.y_max) return false; // enlarge by 1/64th of pixel to bypass slow rasterizer path, add 1 pixel for shift_bitmap int32_t x_min = (rst->bbox.x_min - 1) >> 6; int32_t y_min = (rst->bbox.y_min - 1) >> 6; int32_t x_max = (rst->bbox.x_max + 127) >> 6; int32_t y_max = (rst->bbox.y_max + 127) >> 6; int32_t w = x_max - x_min; int32_t h = y_max - y_min; int mask = (1 << render_priv->engine->tile_order) - 1; // XXX: is that possible to trigger at all? if (w < 0 || h < 0 || w > INT_MAX - mask || h > INT_MAX - mask) { ass_msg(render_priv->library, MSGL_WARN, "Glyph bounding box too large: %dx%dpx", w, h); return false; } int32_t tile_w = (w + mask) & ~mask; int32_t tile_h = (h + mask) & ~mask; if (!ass_alloc_bitmap(render_priv->engine, bm, tile_w, tile_h, false)) return false; bm->left = x_min; bm->top = y_min; if (!ass_rasterizer_fill(render_priv->engine, rst, bm->buffer, x_min, y_min, bm->stride, tile_h, bm->stride)) { ass_msg(render_priv->library, MSGL_WARN, "Failed to rasterize glyph!\n"); ass_free_bitmap(bm); return false; } return true; } /** * \brief fix outline bitmap * * The glyph bitmap is subtracted from outline bitmap. This way looks much * better in some cases. */ void ass_fix_outline(Bitmap *bm_g, Bitmap *bm_o) { if (!bm_g->buffer || !bm_o->buffer) return; int32_t l = FFMAX(bm_o->left, bm_g->left); int32_t t = FFMAX(bm_o->top, bm_g->top); int32_t r = FFMIN(bm_o->left + bm_o->stride, bm_g->left + bm_g->stride); int32_t b = FFMIN(bm_o->top + bm_o->h, bm_g->top + bm_g->h); uint8_t *g = bm_g->buffer + (t - bm_g->top) * bm_g->stride + (l - bm_g->left); uint8_t *o = bm_o->buffer + (t - bm_o->top) * bm_o->stride + (l - bm_o->left); for (int32_t y = 0; y < b - t; y++) { for (int32_t x = 0; x < r - l; x++) o[x] = (o[x] > g[x]) ? o[x] - (g[x] / 2) : 0; g += bm_g->stride; o += bm_o->stride; } } /** * \brief Shift a bitmap by the fraction of a pixel in x and y direction * expressed in 26.6 fixed point */ void ass_shift_bitmap(Bitmap *bm, int shift_x, int shift_y) { assert((shift_x & ~63) == 0 && (shift_y & ~63) == 0); if (!bm->buffer) return; int32_t w = bm->w, h = bm->h; ptrdiff_t s = bm->stride; uint8_t *buf = bm->buffer; // Shift in x direction if (shift_x) for (int32_t y = 0; y < h; y++) { for (int32_t x = w - 1; x > 0; x--) { uint8_t b = buf[x + y * s - 1] * shift_x >> 6; buf[x + y * s - 1] -= b; buf[x + y * s] += b; } } // Shift in y direction if (shift_y) for (int32_t x = 0; x < w; x++) { for (int32_t y = h - 1; y > 0; y--) { uint8_t b = buf[x + y * s - s] * shift_y >> 6; buf[x + y * s - s] -= b; buf[x + y * s] += b; } } } /** * \brief Blur with [[1,2,1], [2,4,2], [1,2,1]] kernel * This blur is the same as the one employed by vsfilter. * Pure C implementation. */ void ass_be_blur_c(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height, uint16_t *tmp) { uint16_t *col_pix_buf = tmp; uint16_t *col_sum_buf = tmp + width; unsigned x, y, old_pix, old_sum, temp1, temp2; uint8_t *src, *dst; y = 0; { src=buf+y*stride; x = 1; old_pix = src[x-1]; old_sum = old_pix; for ( ; x < width; x++) { temp1 = src[x]; temp2 = old_pix + temp1; old_pix = temp1; temp1 = old_sum + temp2; old_sum = temp2; col_pix_buf[x-1] = temp1; col_sum_buf[x-1] = temp1; } temp1 = old_sum + old_pix; col_pix_buf[x-1] = temp1; col_sum_buf[x-1] = temp1; } for (y++; y < height; y++) { src=buf+y*stride; dst=buf+(y-1)*stride; x = 1; old_pix = src[x-1]; old_sum = old_pix; for ( ; x < width; x++) { temp1 = src[x]; temp2 = old_pix + temp1; old_pix = temp1; temp1 = old_sum + temp2; old_sum = temp2; temp2 = col_pix_buf[x-1] + temp1; col_pix_buf[x-1] = temp1; dst[x-1] = (col_sum_buf[x-1] + temp2) >> 4; col_sum_buf[x-1] = temp2; } temp1 = old_sum + old_pix; temp2 = col_pix_buf[x-1] + temp1; col_pix_buf[x-1] = temp1; dst[x-1] = (col_sum_buf[x-1] + temp2) >> 4; col_sum_buf[x-1] = temp2; } { dst=buf+(y-1)*stride; for (x = 0; x < width; x++) dst[x] = (col_sum_buf[x] + col_pix_buf[x]) >> 4; } } /** * \brief Add two bitmaps together at a given position * Uses additive blending, clipped to [0,255]. Pure C implementation. */ void ass_add_bitmaps_c(uint8_t *dst, intptr_t dst_stride, uint8_t *src, intptr_t src_stride, intptr_t width, intptr_t height) { unsigned out; uint8_t* end = dst + dst_stride * height; while (dst < end) { for (unsigned j = 0; j < width; ++j) { out = dst[j] + src[j]; dst[j] = FFMIN(out, 255); } dst += dst_stride; src += src_stride; } } void ass_imul_bitmaps_c(uint8_t *dst, intptr_t dst_stride, uint8_t *src, intptr_t src_stride, intptr_t width, intptr_t height) { uint8_t* end = dst + dst_stride * height; while (dst < end) { for (unsigned j = 0; j < width; ++j) { dst[j] = (dst[j] * (255 - src[j]) + 255) >> 8; } dst += dst_stride; src += src_stride; } } void ass_mul_bitmaps_c(uint8_t *dst, intptr_t dst_stride, uint8_t *src1, intptr_t src1_stride, uint8_t *src2, intptr_t src2_stride, intptr_t width, intptr_t height) { uint8_t* end = src1 + src1_stride * height; while (src1 < end) { for (unsigned x = 0; x < width; ++x) { dst[x] = (src1[x] * src2[x] + 255) >> 8; } dst += dst_stride; src1 += src1_stride; src2 += src2_stride; } } libass-0.17.1/libass/ass_bitmap.h0000644060175106017510000001115314376664500013600 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_BITMAP_H #define LIBASS_BITMAP_H #include #include #include FT_GLYPH_H #include "ass.h" #include "ass_outline.h" struct segment; typedef void (*FillSolidTileFunc)(uint8_t *buf, ptrdiff_t stride, int set); typedef void (*FillHalfplaneTileFunc)(uint8_t *buf, ptrdiff_t stride, int32_t a, int32_t b, int64_t c, int32_t scale); typedef void (*FillGenericTileFunc)(uint8_t *buf, ptrdiff_t stride, const struct segment *line, size_t n_lines, int winding); typedef void (*MergeTileFunc)(uint8_t *buf, ptrdiff_t stride, const uint8_t *tile); typedef void (*BitmapBlendFunc)(uint8_t *dst, intptr_t dst_stride, uint8_t *src, intptr_t src_stride, intptr_t width, intptr_t height); typedef void (*BitmapMulFunc)(uint8_t *dst, intptr_t dst_stride, uint8_t *src1, intptr_t src1_stride, uint8_t *src2, intptr_t src2_stride, intptr_t width, intptr_t height); typedef void (*BeBlurFunc)(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height, uint16_t *tmp); // intermediate bitmaps represented as sets of verical stripes of int16_t[alignment / 2] typedef void (*Convert8to16Func)(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, uintptr_t width, uintptr_t height); typedef void (*Convert16to8Func)(uint8_t *dst, ptrdiff_t dst_stride, const int16_t *src, uintptr_t width, uintptr_t height); typedef void (*FilterFunc)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height); typedef void (*ParamFilterFunc)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); #define C_ALIGN_ORDER 5 typedef struct { int align_order; // log2(alignment) // rasterizer functions int tile_order; // log2(tile_size) FillSolidTileFunc fill_solid; FillHalfplaneTileFunc fill_halfplane; FillGenericTileFunc fill_generic; MergeTileFunc merge_tile; // blend functions BitmapBlendFunc add_bitmaps, imul_bitmaps; BitmapMulFunc mul_bitmaps; // be blur function BeBlurFunc be_blur; // gaussian blur functions Convert8to16Func stripe_unpack; Convert16to8Func stripe_pack; FilterFunc shrink_horz, shrink_vert; FilterFunc expand_horz, expand_vert; ParamFilterFunc blur_horz[5], blur_vert[5]; } BitmapEngine; extern const BitmapEngine ass_bitmap_engine_c; extern const BitmapEngine ass_bitmap_engine_sse2; extern const BitmapEngine ass_bitmap_engine_avx2; typedef struct { int32_t left, top; int32_t w, h; // width, height ptrdiff_t stride; uint8_t *buffer; // h * stride buffer } Bitmap; bool ass_alloc_bitmap(const BitmapEngine *engine, Bitmap *bm, int32_t w, int32_t h, bool zero); bool ass_realloc_bitmap(const BitmapEngine *engine, Bitmap *bm, int32_t w, int32_t h); bool ass_copy_bitmap(const BitmapEngine *engine, Bitmap *dst, const Bitmap *src); void ass_free_bitmap(Bitmap *bm); struct render_context; bool ass_outline_to_bitmap(struct render_context *state, Bitmap *bm, ASS_Outline *outline1, ASS_Outline *outline2); void ass_synth_blur(const BitmapEngine *engine, Bitmap *bm, int be, double blur_r2x, double blur_r2y); bool ass_gaussian_blur(const BitmapEngine *engine, Bitmap *bm, double r2x, double r2y); void ass_shift_bitmap(Bitmap *bm, int shift_x, int shift_y); void ass_fix_outline(Bitmap *bm_g, Bitmap *bm_o); #endif /* LIBASS_BITMAP_H */ libass-0.17.1/libass/ass_blur.c0000644060175106017510000005151714376664500013273 00000000000000/* * Copyright (C) 2015 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include "ass_utils.h" #include "ass_bitmap.h" /* * Cascade Blur Algorithm * * The main idea is simple: to approximate a gaussian blur with large radius, * you can scale down, apply a filter with a relatively small pattern, then scale back up. * * To achieve the desired precision, scaling should be done with sufficiently smooth kernel. * Experiments show that downscaling of factor 2 with kernel [1, 5, 10, 10, 5, 1] and * corresponding upscaling are enough for 8-bit precision. * * Here we use generic filters with 5 different kernel widths (9 to 17-tap). * Kernel coefficients of that filter are obtained from the solution of the least-squares problem * for the Fourier transform of the resulting kernel. */ #define STRIPE_WIDTH (1 << (C_ALIGN_ORDER - 1)) #define STRIPE_MASK (STRIPE_WIDTH - 1) static int16_t zero_line[STRIPE_WIDTH]; static int16_t dither_line[2 * STRIPE_WIDTH] = { #if STRIPE_WIDTH > 8 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 8, 40, 56, 24, 56, 24, 56, 24, 56, 24, 56, 24, 56, 24, 56, 24, 56, 24, #else 8, 40, 8, 40, 8, 40, 8, 40, 56, 24, 56, 24, 56, 24, 56, 24, #endif }; inline static const int16_t *get_line(const int16_t *ptr, uintptr_t offs, uintptr_t size) { return offs < size ? ptr + offs : zero_line; } inline static void copy_line(int16_t *buf, const int16_t *ptr, uintptr_t offs, uintptr_t size) { memcpy(buf, get_line(ptr, offs, size), STRIPE_WIDTH * sizeof(buf[0])); } /* * Unpack/Pack Functions * * Convert between regular 8-bit bitmap and internal format. * Internal image is stored as set of vertical stripes of size [STRIPE_WIDTH x height]. * Each pixel is represented as 16-bit integer in range of [0-0x4000]. */ void ass_stripe_unpack_c(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, uintptr_t width, uintptr_t height) { for (uintptr_t y = 0; y < height; y++) { int16_t *ptr = dst; for (uintptr_t x = 0; x < width; x += STRIPE_WIDTH) { for (int k = 0; k < STRIPE_WIDTH; k++) ptr[k] = (uint16_t) (((src[x + k] << 7) | (src[x + k] >> 1)) + 1) >> 1; //ptr[k] = (0x4000 * src[x + k] + 127) / 255; ptr += STRIPE_WIDTH * height; } dst += STRIPE_WIDTH; src += src_stride; } } void ass_stripe_pack_c(uint8_t *dst, ptrdiff_t dst_stride, const int16_t *src, uintptr_t width, uintptr_t height) { for (uintptr_t x = 0; x < width; x += STRIPE_WIDTH) { uint8_t *ptr = dst; for (uintptr_t y = 0; y < height; y++) { const int16_t *dither = dither_line + (y & 1) * STRIPE_WIDTH; for (int k = 0; k < STRIPE_WIDTH; k++) ptr[k] = (uint16_t) (src[k] - (src[k] >> 8) + dither[k]) >> 6; //ptr[k] = (255 * src[k] + 0x1FFF) / 0x4000; ptr += dst_stride; src += STRIPE_WIDTH; } dst += STRIPE_WIDTH; } uintptr_t left = dst_stride - ((width + STRIPE_MASK) & ~STRIPE_MASK); for (uintptr_t y = 0; y < height; y++) { for (uintptr_t x = 0; x < left; x++) dst[x] = 0; dst += dst_stride; } } /* * Contract Filters * * Contract image by factor 2 with kernel [1, 5, 10, 10, 5, 1]. */ static inline int16_t shrink_func(int16_t p1p, int16_t p1n, int16_t z0p, int16_t z0n, int16_t n1p, int16_t n1n) { /* return (1 * p1p + 5 * p1n + 10 * z0p + 10 * z0n + 5 * n1p + 1 * n1n + 16) >> 5; */ int32_t r = (p1p + p1n + n1p + n1n) >> 1; r = (r + z0p + z0n) >> 1; r = (r + p1n + n1p) >> 1; return (r + z0p + z0n + 2) >> 2; } void ass_shrink_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height) { uintptr_t dst_width = (src_width + 5) >> 1; uintptr_t size = ((src_width + STRIPE_MASK) & ~STRIPE_MASK) * src_height; uintptr_t step = STRIPE_WIDTH * src_height; uintptr_t offs = 0; int16_t buf[3 * STRIPE_WIDTH]; int16_t *ptr = buf + STRIPE_WIDTH; for (uintptr_t x = 0; x < dst_width; x += STRIPE_WIDTH) { for (uintptr_t y = 0; y < src_height; y++) { copy_line(ptr - 1 * STRIPE_WIDTH, src, offs - 1 * step, size); copy_line(ptr + 0 * STRIPE_WIDTH, src, offs + 0 * step, size); copy_line(ptr + 1 * STRIPE_WIDTH, src, offs + 1 * step, size); for (int k = 0; k < STRIPE_WIDTH; k++) dst[k] = shrink_func(ptr[2 * k - 4], ptr[2 * k - 3], ptr[2 * k - 2], ptr[2 * k - 1], ptr[2 * k + 0], ptr[2 * k + 1]); dst += STRIPE_WIDTH; offs += STRIPE_WIDTH; } offs += step; } } void ass_shrink_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height) { uintptr_t dst_height = (src_height + 5) >> 1; uintptr_t step = STRIPE_WIDTH * src_height; for (uintptr_t x = 0; x < src_width; x += STRIPE_WIDTH) { uintptr_t offs = 0; for (uintptr_t y = 0; y < dst_height; y++) { const int16_t *p1p = get_line(src, offs - 4 * STRIPE_WIDTH, step); const int16_t *p1n = get_line(src, offs - 3 * STRIPE_WIDTH, step); const int16_t *z0p = get_line(src, offs - 2 * STRIPE_WIDTH, step); const int16_t *z0n = get_line(src, offs - 1 * STRIPE_WIDTH, step); const int16_t *n1p = get_line(src, offs - 0 * STRIPE_WIDTH, step); const int16_t *n1n = get_line(src, offs + 1 * STRIPE_WIDTH, step); for (int k = 0; k < STRIPE_WIDTH; k++) dst[k] = shrink_func(p1p[k], p1n[k], z0p[k], z0n[k], n1p[k], n1n[k]); dst += 1 * STRIPE_WIDTH; offs += 2 * STRIPE_WIDTH; } src += step; } } /* * Expand Filters * * Expand image by factor 2 with kernel [5, 10, 1], [1, 10, 5]. */ static inline void expand_func(int16_t *rp, int16_t *rn, int16_t p1, int16_t z0, int16_t n1) { /* *rp = (5 * p1 + 10 * z0 + 1 * n1 + 8) >> 4; *rn = (1 * p1 + 10 * z0 + 5 * n1 + 8) >> 4; */ uint16_t r = (uint16_t) (((uint16_t) (p1 + n1) >> 1) + z0) >> 1; *rp = (uint16_t) (((uint16_t) (r + p1) >> 1) + z0 + 1) >> 1; *rn = (uint16_t) (((uint16_t) (r + n1) >> 1) + z0 + 1) >> 1; } void ass_expand_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height) { uintptr_t dst_width = 2 * src_width + 4; uintptr_t size = ((src_width + STRIPE_MASK) & ~STRIPE_MASK) * src_height; uintptr_t step = STRIPE_WIDTH * src_height; uintptr_t offs = 0; int16_t buf[2 * STRIPE_WIDTH]; int16_t *ptr = buf + STRIPE_WIDTH; for (uintptr_t x = STRIPE_WIDTH; x < dst_width; x += 2 * STRIPE_WIDTH) { for (uintptr_t y = 0; y < src_height; y++) { copy_line(ptr - 1 * STRIPE_WIDTH, src, offs - 1 * step, size); copy_line(ptr - 0 * STRIPE_WIDTH, src, offs - 0 * step, size); for (int k = 0; k < STRIPE_WIDTH / 2; k++) expand_func(&dst[2 * k], &dst[2 * k + 1], ptr[k - 2], ptr[k - 1], ptr[k]); int16_t *next = dst + step - STRIPE_WIDTH; for (int k = STRIPE_WIDTH / 2; k < STRIPE_WIDTH; k++) expand_func(&next[2 * k], &next[2 * k + 1], ptr[k - 2], ptr[k - 1], ptr[k]); dst += STRIPE_WIDTH; offs += STRIPE_WIDTH; } dst += step; } if ((dst_width - 1) & STRIPE_WIDTH) return; for (uintptr_t y = 0; y < src_height; y++) { copy_line(ptr - 1 * STRIPE_WIDTH, src, offs - 1 * step, size); copy_line(ptr - 0 * STRIPE_WIDTH, src, offs - 0 * step, size); for (int k = 0; k < STRIPE_WIDTH / 2; k++) expand_func(&dst[2 * k], &dst[2 * k + 1], ptr[k - 2], ptr[k - 1], ptr[k]); dst += STRIPE_WIDTH; offs += STRIPE_WIDTH; } } void ass_expand_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height) { uintptr_t dst_height = 2 * src_height + 4; uintptr_t step = STRIPE_WIDTH * src_height; for (uintptr_t x = 0; x < src_width; x += STRIPE_WIDTH) { uintptr_t offs = 0; for (uintptr_t y = 0; y < dst_height; y += 2) { const int16_t *p1 = get_line(src, offs - 2 * STRIPE_WIDTH, step); const int16_t *z0 = get_line(src, offs - 1 * STRIPE_WIDTH, step); const int16_t *n1 = get_line(src, offs - 0 * STRIPE_WIDTH, step); for (int k = 0; k < STRIPE_WIDTH; k++) expand_func(&dst[k], &dst[k + STRIPE_WIDTH], p1[k], z0[k], n1[k]); dst += 2 * STRIPE_WIDTH; offs += 1 * STRIPE_WIDTH; } src += step; } } /* * Main Parametric Filters * * Perform 1D convolution with kernel [..., c2, c1, c0, d, c0, c1, c2, ...], * cN = param[N], d = 1 - 2 * (c0 + c1 + c2 + ...), * number of parameters is part of the function name. */ static inline void blur_horz(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param, const int n) { uintptr_t dst_width = src_width + 2 * n; uintptr_t size = ((src_width + STRIPE_MASK) & ~STRIPE_MASK) * src_height; uintptr_t step = STRIPE_WIDTH * src_height; uintptr_t offs = 0; int16_t buf[3 * STRIPE_WIDTH]; int16_t *ptr = buf + 2 * STRIPE_WIDTH; for (uintptr_t x = 0; x < dst_width; x += STRIPE_WIDTH) { for (uintptr_t y = 0; y < src_height; y++) { for (int i = -((2 * n + STRIPE_WIDTH - 1u) / STRIPE_WIDTH); i <= 0; i++) copy_line(ptr + i * STRIPE_WIDTH, src, offs + i * step, size); int32_t acc[STRIPE_WIDTH]; for (int k = 0; k < STRIPE_WIDTH; k++) acc[k] = 0x8000; for (int i = n; i > 0; i--) for (int k = 0; k < STRIPE_WIDTH; k++) acc[k] += (int16_t) (ptr[k - n - i] - ptr[k - n]) * param[i - 1] + (int16_t) (ptr[k - n + i] - ptr[k - n]) * param[i - 1]; for (int k = 0; k < STRIPE_WIDTH; k++) dst[k] = ptr[k - n] + (acc[k] >> 16); dst += STRIPE_WIDTH; offs += STRIPE_WIDTH; } } } static inline void blur_vert(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param, const int n) { uintptr_t dst_height = src_height + 2 * n; uintptr_t step = STRIPE_WIDTH * src_height; for (uintptr_t x = 0; x < src_width; x += STRIPE_WIDTH) { uintptr_t offs = 0; for (uintptr_t y = 0; y < dst_height; y++) { int32_t acc[STRIPE_WIDTH]; for (int k = 0; k < STRIPE_WIDTH; k++) acc[k] = 0x8000; const int16_t *center = get_line(src, offs - n * STRIPE_WIDTH, step); for (int i = n; i > 0; i--) { const int16_t *line1 = get_line(src, offs - (n + i) * STRIPE_WIDTH, step); const int16_t *line2 = get_line(src, offs - (n - i) * STRIPE_WIDTH, step); for (int k = 0; k < STRIPE_WIDTH; k++) acc[k] += (int16_t) (line1[k] - center[k]) * param[i - 1] + (int16_t) (line2[k] - center[k]) * param[i - 1]; } for (int k = 0; k < STRIPE_WIDTH; k++) dst[k] = center[k] + (acc[k] >> 16); dst += STRIPE_WIDTH; offs += STRIPE_WIDTH; } src += step; } } void ass_blur4_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_horz(dst, src, src_width, src_height, param, 4); } void ass_blur4_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_vert(dst, src, src_width, src_height, param, 4); } void ass_blur5_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_horz(dst, src, src_width, src_height, param, 5); } void ass_blur5_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_vert(dst, src, src_width, src_height, param, 5); } void ass_blur6_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_horz(dst, src, src_width, src_height, param, 6); } void ass_blur6_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_vert(dst, src, src_width, src_height, param, 6); } void ass_blur7_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_horz(dst, src, src_width, src_height, param, 7); } void ass_blur7_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_vert(dst, src, src_width, src_height, param, 7); } void ass_blur8_horz_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_horz(dst, src, src_width, src_height, param, 8); } void ass_blur8_vert_c(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param) { blur_vert(dst, src, src_width, src_height, param, 8); } static void calc_gauss(double *res, int n, double r2) { double alpha = 0.5 / r2; double mul = exp(-alpha), mul2 = mul * mul; double cur = sqrt(alpha / ASS_PI); res[0] = cur; cur *= mul; res[1] = cur; for (int i = 2; i < n; i++) { mul *= mul2; cur *= mul; res[i] = cur; } } static void coeff_filter(double *coeff, int n, const double kernel[4]) { double prev1 = coeff[1], prev2 = coeff[2], prev3 = coeff[3]; for (int i = 0; i < n; i++) { double res = coeff[i + 0] * kernel[0] + (prev1 + coeff[i + 1]) * kernel[1] + (prev2 + coeff[i + 2]) * kernel[2] + (prev3 + coeff[i + 3]) * kernel[3]; prev3 = prev2; prev2 = prev1; prev1 = coeff[i]; coeff[i] = res; } } static void calc_matrix(double mat[][8], const double *mat_freq, int n) { for (int i = 0; i < n; i++) { mat[i][i] = mat_freq[2 * i + 2] + 3 * mat_freq[0] - 4 * mat_freq[i + 1]; for (int j = i + 1; j < n; j++) mat[i][j] = mat[j][i] = mat_freq[i + j + 2] + mat_freq[j - i] + 2 * (mat_freq[0] - mat_freq[i + 1] - mat_freq[j + 1]); } // invert transpose for (int k = 0; k < n; k++) { double z = 1 / mat[k][k]; mat[k][k] = 1; for (int i = 0; i < n; i++) { if (i == k) continue; double mul = mat[i][k] * z; mat[i][k] = 0; for (int j = 0; j < n; j++) mat[i][j] -= mat[k][j] * mul; } for (int j = 0; j < n; j++) mat[k][j] *= z; } } /** * \brief Solve least squares problem for kernel of the main filter * \param mu out: output coefficients * \param n in: filter kernel radius * \param r2 in: desired standard deviation squared * \param mul in: scale multiplier */ static void calc_coeff(double mu[], int n, double r2, double mul) { assert(n > 0 && n <= 8); const double w = 12096; double kernel[] = { ((( + 3280 / w) * mul + 1092 / w) * mul + 2520 / w) * mul + 5204 / w, ((( - 2460 / w) * mul - 273 / w) * mul - 210 / w) * mul + 2943 / w, ((( + 984 / w) * mul - 546 / w) * mul - 924 / w) * mul + 486 / w, ((( - 164 / w) * mul + 273 / w) * mul - 126 / w) * mul + 17 / w, }; double mat_freq[17] = { kernel[0], kernel[1], kernel[2], kernel[3] }; coeff_filter(mat_freq, 7, kernel); double vec_freq[12]; calc_gauss(vec_freq, n + 4, r2 * mul); coeff_filter(vec_freq, n + 1, kernel); double mat[8][8]; calc_matrix(mat, mat_freq, n); double vec[8]; for (int i = 0; i < n; i++) vec[i] = mat_freq[0] - mat_freq[i + 1] - vec_freq[0] + vec_freq[i + 1]; for (int i = 0; i < n; i++) { double res = 0; for (int j = 0; j < n; j++) res += mat[i][j] * vec[j]; mu[i] = FFMAX(0, res); } } typedef struct { int level, radius; int16_t coeff[8]; } BlurMethod; static void find_best_method(BlurMethod *blur, double r2) { double mu[8]; if (r2 < 0.5) { blur->level = 0; blur->radius = 4; mu[1] = 0.085 * r2 * r2 * r2; mu[0] = 0.5 * r2 - 4 * mu[1]; mu[2] = mu[3] = 0; } else { double frac = frexp(sqrt(0.11569 * r2 + 0.20591047), &blur->level); double mul = pow(0.25, blur->level); blur->radius = 8 - (int) ((10.1525 + 0.8335 * mul) * (1 - frac)); blur->radius = FFMAX(blur->radius, 4); calc_coeff(mu, blur->radius, r2, mul); } for (int i = 0; i < blur->radius; i++) blur->coeff[i] = (int) (0x10000 * mu[i] + 0.5); } /** * \brief Perform approximate gaussian blur * \param r2x in: desired standard deviation along X axis squared * \param r2y in: desired standard deviation along Y axis squared */ bool ass_gaussian_blur(const BitmapEngine *engine, Bitmap *bm, double r2x, double r2y) { BlurMethod blur_x, blur_y; find_best_method(&blur_x, r2x); if (r2y == r2x) memcpy(&blur_y, &blur_x, sizeof(blur_y)); else find_best_method(&blur_y, r2y); uint32_t w = bm->w, h = bm->h; int offset_x = ((2 * blur_x.radius + 9) << blur_x.level) - 5; int offset_y = ((2 * blur_y.radius + 9) << blur_y.level) - 5; uint32_t end_w = ((w + offset_x) & ~((1 << blur_x.level) - 1)) - 4; uint32_t end_h = ((h + offset_y) & ~((1 << blur_y.level) - 1)) - 4; const int stripe_width = 1 << (engine->align_order - 1); uint64_t size = (((uint64_t) end_w + stripe_width - 1) & ~(stripe_width - 1)) * end_h; if (size > INT_MAX / 4) return false; int16_t *tmp = ass_aligned_alloc(2 * stripe_width, 4 * size, false); if (!tmp) return false; engine->stripe_unpack(tmp, bm->buffer, bm->stride, w, h); int16_t *buf[2] = {tmp, tmp + size}; int index = 0; for (int i = 0; i < blur_y.level; i++) { engine->shrink_vert(buf[index ^ 1], buf[index], w, h); h = (h + 5) >> 1; index ^= 1; } for (int i = 0; i < blur_x.level; i++) { engine->shrink_horz(buf[index ^ 1], buf[index], w, h); w = (w + 5) >> 1; index ^= 1; } assert(blur_x.radius >= 4 && blur_x.radius <= 8); engine->blur_horz[blur_x.radius - 4](buf[index ^ 1], buf[index], w, h, blur_x.coeff); w += 2 * blur_x.radius; index ^= 1; assert(blur_y.radius >= 4 && blur_y.radius <= 8); engine->blur_vert[blur_y.radius - 4](buf[index ^ 1], buf[index], w, h, blur_y.coeff); h += 2 * blur_y.radius; index ^= 1; for (int i = 0; i < blur_x.level; i++) { engine->expand_horz(buf[index ^ 1], buf[index], w, h); w = 2 * w + 4; index ^= 1; } for (int i = 0; i < blur_y.level; i++) { engine->expand_vert(buf[index ^ 1], buf[index], w, h); h = 2 * h + 4; index ^= 1; } assert(w == end_w && h == end_h); if (!ass_realloc_bitmap(engine, bm, w, h)) { ass_aligned_free(tmp); return false; } bm->left -= ((blur_x.radius + 4) << blur_x.level) - 4; bm->top -= ((blur_y.radius + 4) << blur_y.level) - 4; engine->stripe_pack(bm->buffer, bm->stride, buf[index], w, h); ass_aligned_free(tmp); return true; } libass-0.17.1/libass/ass_cache.c0000644060175106017510000003443614376664500013373 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include FT_OUTLINE_H #include #include "ass_utils.h" #include "ass_font.h" #include "ass_outline.h" #include "ass_cache.h" // Always enable native-endian mode, since we don't care about cross-platform consistency of the hash #define WYHASH_LITTLE_ENDIAN 1 #include "wyhash.h" // With wyhash any arbitrary 64 bit value will suffice #define ASS_HASH_INIT 0xb3e46a540bd36cd4ULL static inline ass_hashcode ass_hash_buf(const void *buf, size_t len, ass_hashcode hval) { return wyhash(buf, len, hval, _wyp); } // type-specific functions // create hash/compare functions for bitmap, outline and composite cache #define CREATE_HASH_FUNCTIONS #include "ass_cache_template.h" #define CREATE_COMPARISON_FUNCTIONS #include "ass_cache_template.h" // font cache static bool font_key_move(void *dst, void *src) { ASS_FontDesc *d = dst, *s = src; if (!d) return true; *d = *s; d->family.str = ass_copy_string(s->family); return d->family.str; } static void font_destruct(void *key, void *value) { ass_font_clear(value); } size_t ass_font_construct(void *key, void *value, void *priv); const CacheDesc font_cache_desc = { .hash_func = font_hash, .compare_func = font_compare, .key_move_func = font_key_move, .construct_func = ass_font_construct, .destruct_func = font_destruct, .key_size = sizeof(ASS_FontDesc), .value_size = sizeof(ASS_Font) }; // bitmap cache static bool bitmap_key_move(void *dst, void *src) { BitmapHashKey *d = dst, *s = src; if (d) *d = *s; else ass_cache_dec_ref(s->outline); return true; } static void bitmap_destruct(void *key, void *value) { BitmapHashKey *k = key; ass_free_bitmap(value); ass_cache_dec_ref(k->outline); } size_t ass_bitmap_construct(void *key, void *value, void *priv); const CacheDesc bitmap_cache_desc = { .hash_func = bitmap_hash, .compare_func = bitmap_compare, .key_move_func = bitmap_key_move, .construct_func = ass_bitmap_construct, .destruct_func = bitmap_destruct, .key_size = sizeof(BitmapHashKey), .value_size = sizeof(Bitmap) }; // composite cache static ass_hashcode composite_hash(void *key, ass_hashcode hval) { CompositeHashKey *k = key; hval = filter_hash(&k->filter, hval); for (size_t i = 0; i < k->bitmap_count; i++) hval = bitmap_ref_hash(&k->bitmaps[i], hval); return hval; } static bool composite_compare(void *a, void *b) { CompositeHashKey *ak = a; CompositeHashKey *bk = b; if (!filter_compare(&ak->filter, &bk->filter)) return false; if (ak->bitmap_count != bk->bitmap_count) return false; for (size_t i = 0; i < ak->bitmap_count; i++) if (!bitmap_ref_compare(&ak->bitmaps[i], &bk->bitmaps[i])) return false; return true; } static bool composite_key_move(void *dst, void *src) { CompositeHashKey *d = dst, *s = src; if (d) { *d = *s; return true; } for (size_t i = 0; i < s->bitmap_count; i++) { ass_cache_dec_ref(s->bitmaps[i].bm); ass_cache_dec_ref(s->bitmaps[i].bm_o); } free(s->bitmaps); return true; } static void composite_destruct(void *key, void *value) { CompositeHashValue *v = value; CompositeHashKey *k = key; ass_free_bitmap(&v->bm); ass_free_bitmap(&v->bm_o); ass_free_bitmap(&v->bm_s); for (size_t i = 0; i < k->bitmap_count; i++) { ass_cache_dec_ref(k->bitmaps[i].bm); ass_cache_dec_ref(k->bitmaps[i].bm_o); } free(k->bitmaps); } size_t ass_composite_construct(void *key, void *value, void *priv); const CacheDesc composite_cache_desc = { .hash_func = composite_hash, .compare_func = composite_compare, .key_move_func = composite_key_move, .construct_func = ass_composite_construct, .destruct_func = composite_destruct, .key_size = sizeof(CompositeHashKey), .value_size = sizeof(CompositeHashValue) }; // outline cache static ass_hashcode outline_hash(void *key, ass_hashcode hval) { OutlineHashKey *k = key; switch (k->type) { case OUTLINE_GLYPH: return glyph_hash(&k->u, hval); case OUTLINE_DRAWING: return drawing_hash(&k->u, hval); case OUTLINE_BORDER: return border_hash(&k->u, hval); default: // OUTLINE_BOX return hval; } } static bool outline_compare(void *a, void *b) { OutlineHashKey *ak = a; OutlineHashKey *bk = b; if (ak->type != bk->type) return false; switch (ak->type) { case OUTLINE_GLYPH: return glyph_compare(&ak->u, &bk->u); case OUTLINE_DRAWING: return drawing_compare(&ak->u, &bk->u); case OUTLINE_BORDER: return border_compare(&ak->u, &bk->u); default: // OUTLINE_BOX return true; } } static bool outline_key_move(void *dst, void *src) { OutlineHashKey *d = dst, *s = src; if (!d) { if (s->type == OUTLINE_GLYPH) ass_cache_dec_ref(s->u.glyph.font); return true; } *d = *s; if (s->type == OUTLINE_DRAWING) { d->u.drawing.text.str = ass_copy_string(s->u.drawing.text); return d->u.drawing.text.str; } if (s->type == OUTLINE_BORDER) ass_cache_inc_ref(s->u.border.outline); return true; } static void outline_destruct(void *key, void *value) { OutlineHashValue *v = value; OutlineHashKey *k = key; ass_outline_free(&v->outline[0]); ass_outline_free(&v->outline[1]); switch (k->type) { case OUTLINE_GLYPH: ass_cache_dec_ref(k->u.glyph.font); break; case OUTLINE_DRAWING: free((char *) k->u.drawing.text.str); break; case OUTLINE_BORDER: ass_cache_dec_ref(k->u.border.outline); break; default: // OUTLINE_BOX break; } } size_t ass_outline_construct(void *key, void *value, void *priv); const CacheDesc outline_cache_desc = { .hash_func = outline_hash, .compare_func = outline_compare, .key_move_func = outline_key_move, .construct_func = ass_outline_construct, .destruct_func = outline_destruct, .key_size = sizeof(OutlineHashKey), .value_size = sizeof(OutlineHashValue) }; // glyph metric cache static bool glyph_metrics_key_move(void *dst, void *src) { GlyphMetricsHashKey *d = dst, *s = src; if (!d) return true; *d = *s; ass_cache_inc_ref(s->font); return true; } static void glyph_metrics_destruct(void *key, void *value) { GlyphMetricsHashKey *k = key; ass_cache_dec_ref(k->font); } size_t ass_glyph_metrics_construct(void *key, void *value, void *priv); const CacheDesc glyph_metrics_cache_desc = { .hash_func = glyph_metrics_hash, .compare_func = glyph_metrics_compare, .key_move_func = glyph_metrics_key_move, .construct_func = ass_glyph_metrics_construct, .destruct_func = glyph_metrics_destruct, .key_size = sizeof(GlyphMetricsHashKey), .value_size = sizeof(FT_Glyph_Metrics) }; // Cache data typedef struct cache_item { Cache *cache; const CacheDesc *desc; struct cache_item *next, **prev; struct cache_item *queue_next, **queue_prev; size_t size, ref_count; } CacheItem; struct cache { unsigned buckets; CacheItem **map; CacheItem *queue_first, **queue_last; const CacheDesc *desc; size_t cache_size; unsigned hits; unsigned misses; unsigned items; }; #define CACHE_ALIGN 8 #define CACHE_ITEM_SIZE ((sizeof(CacheItem) + (CACHE_ALIGN - 1)) & ~(CACHE_ALIGN - 1)) static inline size_t align_cache(size_t size) { return (size + (CACHE_ALIGN - 1)) & ~(CACHE_ALIGN - 1); } static inline CacheItem *value_to_item(void *value) { return (CacheItem *) ((char *) value - CACHE_ITEM_SIZE); } // Create a cache with type-specific hash/compare/destruct/size functions Cache *ass_cache_create(const CacheDesc *desc) { Cache *cache = calloc(1, sizeof(*cache)); if (!cache) return NULL; cache->buckets = 0xFFFF; cache->queue_last = &cache->queue_first; cache->desc = desc; cache->map = calloc(cache->buckets, sizeof(CacheItem *)); if (!cache->map) { free(cache); return NULL; } return cache; } void *ass_cache_get(Cache *cache, void *key, void *priv) { const CacheDesc *desc = cache->desc; size_t key_offs = CACHE_ITEM_SIZE + align_cache(desc->value_size); unsigned bucket = desc->hash_func(key, ASS_HASH_INIT) % cache->buckets; CacheItem *item = cache->map[bucket]; while (item) { if (desc->compare_func(key, (char *) item + key_offs)) { assert(item->size); if (!item->queue_prev || item->queue_next) { if (item->queue_prev) { item->queue_next->queue_prev = item->queue_prev; *item->queue_prev = item->queue_next; } else item->ref_count++; *cache->queue_last = item; item->queue_prev = cache->queue_last; cache->queue_last = &item->queue_next; item->queue_next = NULL; } cache->hits++; desc->key_move_func(NULL, key); item->ref_count++; return (char *) item + CACHE_ITEM_SIZE; } item = item->next; } cache->misses++; item = malloc(key_offs + desc->key_size); if (!item) { desc->key_move_func(NULL, key); return NULL; } item->cache = cache; item->desc = desc; void *new_key = (char *) item + key_offs; if (!desc->key_move_func(new_key, key)) { free(item); return NULL; } void *value = (char *) item + CACHE_ITEM_SIZE; item->size = desc->construct_func(new_key, value, priv); assert(item->size); CacheItem **bucketptr = &cache->map[bucket]; if (*bucketptr) (*bucketptr)->prev = &item->next; item->prev = bucketptr; item->next = *bucketptr; *bucketptr = item; *cache->queue_last = item; item->queue_prev = cache->queue_last; cache->queue_last = &item->queue_next; item->queue_next = NULL; item->ref_count = 2; cache->cache_size += item->size; cache->items++; return value; } void *ass_cache_key(void *value) { CacheItem *item = value_to_item(value); return (char *) value + align_cache(item->desc->value_size); } static inline void destroy_item(const CacheDesc *desc, CacheItem *item) { assert(item->desc == desc); char *value = (char *) item + CACHE_ITEM_SIZE; desc->destruct_func(value + align_cache(desc->value_size), value); free(item); } void ass_cache_inc_ref(void *value) { if (!value) return; CacheItem *item = value_to_item(value); assert(item->size && item->ref_count); item->ref_count++; } void ass_cache_dec_ref(void *value) { if (!value) return; CacheItem *item = value_to_item(value); assert(item->size && item->ref_count); if (--item->ref_count) return; Cache *cache = item->cache; if (cache) { if (item->next) item->next->prev = item->prev; *item->prev = item->next; cache->items--; cache->cache_size -= item->size; } destroy_item(item->desc, item); } void ass_cache_cut(Cache *cache, size_t max_size) { if (cache->cache_size <= max_size) return; do { CacheItem *item = cache->queue_first; if (!item) break; assert(item->size); cache->queue_first = item->queue_next; if (--item->ref_count) { item->queue_prev = NULL; continue; } if (item->next) item->next->prev = item->prev; *item->prev = item->next; cache->items--; cache->cache_size -= item->size; destroy_item(cache->desc, item); } while (cache->cache_size > max_size); if (cache->queue_first) cache->queue_first->queue_prev = &cache->queue_first; else cache->queue_last = &cache->queue_first; } void ass_cache_stats(Cache *cache, size_t *size, unsigned *hits, unsigned *misses, unsigned *count) { if (size) *size = cache->cache_size; if (hits) *hits = cache->hits; if (misses) *misses = cache->misses; if (count) *count = cache->items; } void ass_cache_empty(Cache *cache) { for (int i = 0; i < cache->buckets; i++) { CacheItem *item = cache->map[i]; while (item) { assert(item->size); CacheItem *next = item->next; if (item->queue_prev) item->ref_count--; if (item->ref_count) item->cache = NULL; else destroy_item(cache->desc, item); item = next; } cache->map[i] = NULL; } cache->queue_first = NULL; cache->queue_last = &cache->queue_first; cache->items = cache->hits = cache->misses = cache->cache_size = 0; } void ass_cache_done(Cache *cache) { ass_cache_empty(cache); free(cache->map); free(cache); } // Type-specific creation function Cache *ass_font_cache_create(void) { return ass_cache_create(&font_cache_desc); } Cache *ass_outline_cache_create(void) { return ass_cache_create(&outline_cache_desc); } Cache *ass_glyph_metrics_cache_create(void) { return ass_cache_create(&glyph_metrics_cache_desc); } Cache *ass_bitmap_cache_create(void) { return ass_cache_create(&bitmap_cache_desc); } Cache *ass_composite_cache_create(void) { return ass_cache_create(&composite_cache_desc); } libass-0.17.1/libass/ass_cache.h0000644060175106017510000000657714376663636013416 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_CACHE_H #define LIBASS_CACHE_H #include "ass.h" #include "ass_font.h" #include "ass_outline.h" #include "ass_bitmap.h" typedef struct cache Cache; typedef uint64_t ass_hashcode; // cache values typedef struct { Bitmap bm, bm_o, bm_s; } CompositeHashValue; typedef struct { bool valid; ASS_Outline outline[2]; ASS_Rect cbox; // bounding box of all control points int advance; // 26.6, advance distance to the next outline in line int asc, desc; // ascender/descender } OutlineHashValue; // Create definitions for bitmap, outline and composite hash keys #define CREATE_STRUCT_DEFINITIONS #include "ass_cache_template.h" // Type-specific function pointers typedef ass_hashcode (*HashFunction)(void *key, ass_hashcode hval); typedef bool (*HashCompare)(void *a, void *b); typedef bool (*CacheKeyMove)(void *dst, void *src); typedef size_t (*CacheValueConstructor)(void *key, void *value, void *priv); typedef void (*CacheItemDestructor)(void *key, void *value); // cache hash keys typedef struct outline_hash_key { enum { OUTLINE_GLYPH, OUTLINE_DRAWING, OUTLINE_BORDER, OUTLINE_BOX, } type; union { GlyphHashKey glyph; DrawingHashKey drawing; BorderHashKey border; } u; } OutlineHashKey; enum { FILTER_BORDER_STYLE_3 = 0x01, FILTER_NONZERO_BORDER = 0x02, FILTER_NONZERO_SHADOW = 0x04, FILTER_FILL_IN_SHADOW = 0x08, FILTER_FILL_IN_BORDER = 0x10, }; typedef struct { FilterDesc filter; size_t bitmap_count; BitmapRef *bitmaps; } CompositeHashKey; typedef struct { HashFunction hash_func; HashCompare compare_func; CacheKeyMove key_move_func; CacheValueConstructor construct_func; CacheItemDestructor destruct_func; size_t key_size; size_t value_size; } CacheDesc; Cache *ass_cache_create(const CacheDesc *desc); void *ass_cache_get(Cache *cache, void *key, void *priv); void *ass_cache_key(void *value); void ass_cache_inc_ref(void *value); void ass_cache_dec_ref(void *value); void ass_cache_cut(Cache *cache, size_t max_size); void ass_cache_stats(Cache *cache, size_t *size, unsigned *hits, unsigned *misses, unsigned *count); void ass_cache_empty(Cache *cache); void ass_cache_done(Cache *cache); Cache *ass_font_cache_create(void); Cache *ass_outline_cache_create(void); Cache *ass_glyph_metrics_cache_create(void); Cache *ass_bitmap_cache_create(void); Cache *ass_composite_cache_create(void); #endif /* LIBASS_CACHE_H */ libass-0.17.1/libass/ass_cache_template.h0000644060175106017510000000637014376663636015300 00000000000000#ifdef CREATE_STRUCT_DEFINITIONS #undef CREATE_STRUCT_DEFINITIONS #define START(funcname, structname) \ typedef struct structname { #define GENERIC(type, member) \ type member; #define STRING(member) \ ASS_StringView member; #define VECTOR(member) \ ASS_Vector member; #define END(typedefnamename) \ } typedefnamename; #elif defined(CREATE_COMPARISON_FUNCTIONS) #undef CREATE_COMPARISON_FUNCTIONS #define START(funcname, structname) \ static bool funcname##_compare(void *key1, void *key2) \ { \ struct structname *a = key1; \ struct structname *b = key2; \ return // conditions follow #define GENERIC(type, member) \ a->member == b->member && #define STRING(member) \ ass_string_equal(a->member, b->member) && #define VECTOR(member) \ a->member.x == b->member.x && a->member.y == b->member.y && #define END(typedefname) \ true; \ } #elif defined(CREATE_HASH_FUNCTIONS) #undef CREATE_HASH_FUNCTIONS #define START(funcname, structname) \ static ass_hashcode funcname##_hash(void *buf, ass_hashcode hval) \ { \ struct structname *p = buf; #define GENERIC(type, member) \ hval = ass_hash_buf(&p->member, sizeof(p->member), hval); #define STRING(member) \ hval = ass_hash_buf(p->member.str, p->member.len, hval); #define VECTOR(member) GENERIC(, member.x); GENERIC(, member.y); #define END(typedefname) \ return hval; \ } #else #error missing defines #endif START(font, ass_font_desc ) STRING(family) GENERIC(unsigned, bold) GENERIC(unsigned, italic) GENERIC(int, vertical) // @font vertical layout END(ASS_FontDesc) // describes an outline bitmap START(bitmap, bitmap_hash_key) GENERIC(OutlineHashValue *, outline) // quantized transform matrix VECTOR(offset) VECTOR(matrix_x) VECTOR(matrix_y) VECTOR(matrix_z) END(BitmapHashKey) START(glyph_metrics, glyph_metrics_hash_key) GENERIC(ASS_Font *, font) GENERIC(double, size) GENERIC(int, face_index) GENERIC(int, glyph_index) END(GlyphMetricsHashKey) // describes an outline glyph START(glyph, glyph_hash_key) GENERIC(ASS_Font *, font) GENERIC(double, size) // font size GENERIC(int, face_index) GENERIC(int, glyph_index) GENERIC(int, bold) GENERIC(int, italic) GENERIC(unsigned, flags) // glyph decoration flags END(GlyphHashKey) // describes an outline drawing START(drawing, drawing_hash_key) STRING(text) END(DrawingHashKey) // describes an offset outline START(border, border_hash_key) GENERIC(OutlineHashValue *, outline) // outline is scaled by 2^scale_ord_x|y before stroking // to keep stoker error in allowable range GENERIC(int, scale_ord_x) GENERIC(int, scale_ord_y) VECTOR(border) // border size in STROKER_ACCURACY units END(BorderHashKey) // describes post-combining effects START(filter, filter_desc) GENERIC(int, flags) GENERIC(int, be) GENERIC(int, blur_x) GENERIC(int, blur_y) VECTOR(shadow) END(FilterDesc) // describes glyph bitmap reference START(bitmap_ref, bitmap_ref_key) GENERIC(Bitmap *, bm) GENERIC(Bitmap *, bm_o) VECTOR(pos) VECTOR(pos_o) END(BitmapRef) #undef START #undef GENERIC #undef STRING #undef VECTOR #undef END libass-0.17.1/libass/ass_compat.h0000644060175106017510000000306014371314501013571 00000000000000/* * Copyright (C) 2015 Oleg Oshmyan * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_COMPAT_H #define LIBASS_COMPAT_H #ifdef _MSC_VER #define _CRT_NONSTDC_NO_DEPRECATE #define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #define inline __inline #endif // Work around build failures on Windows with static FriBidi. // Possible because we only use FriBidi functions, not objects. #if defined(_WIN32) && !defined(FRIBIDI_LIB_STATIC) #define FRIBIDI_LIB_STATIC #endif #ifndef HAVE_STRDUP char *ass_strdup_fallback(const char *s); // definition in ass_utils.c #define strdup ass_strdup_fallback #endif #ifndef HAVE_STRNDUP #include char *ass_strndup_fallback(const char *s, size_t n); // definition in ass_utils.c #define strndup ass_strndup_fallback #endif #endif /* LIBASS_COMPAT_H */ libass-0.17.1/libass/ass_coretext.c0000644060175106017510000002107314371314501014142 00000000000000/* * Copyright (C) 2013 Stefano Pigozzi * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #if TARGET_OS_IPHONE #include #else #include #endif #include "ass_coretext.h" #define SAFE_CFRelease(x) do { if (x) CFRelease(x); } while (0) static const ASS_FontMapping font_substitutions[] = { {"sans-serif", "Helvetica"}, {"serif", "Times"}, {"monospace", "Courier"} }; static char *cfstr2buf(CFStringRef string) { if (!string) return NULL; const int encoding = kCFStringEncodingUTF8; const char *buf_ptr = CFStringGetCStringPtr(string, encoding); if (buf_ptr) { return strdup(buf_ptr); } else { size_t len = CFStringGetLength(string); CFIndex buf_len = CFStringGetMaximumSizeForEncoding(len, encoding); char *buf = malloc(buf_len); if (buf) CFStringGetCString(string, buf, buf_len, encoding); return buf; } } static void destroy_font(void *priv) { CTFontDescriptorRef fontd = priv; CFRelease(fontd); } static bool is_postscript_font_format(CFNumberRef cfformat) { bool ret = false; int format; if (CFNumberGetValue(cfformat, kCFNumberIntType, &format)) { ret = format == kCTFontFormatOpenTypePostScript || format == kCTFontFormatPostScript; } return ret; } static bool check_postscript(void *priv) { CTFontDescriptorRef fontd = priv; CFNumberRef cfformat = CTFontDescriptorCopyAttribute(fontd, kCTFontFormatAttribute); if (!cfformat) return false; bool ret = is_postscript_font_format(cfformat); CFRelease(cfformat); return ret; } static bool check_glyph(void *priv, uint32_t code) { if (code == 0) return true; CTFontDescriptorRef fontd = priv; CFCharacterSetRef set = CTFontDescriptorCopyAttribute(fontd, kCTFontCharacterSetAttribute); if (!set) return true; bool result = CFCharacterSetIsLongCharacterMember(set, code); CFRelease(set); return result; } static char *get_font_file(CTFontDescriptorRef fontd) { CFURLRef url = CTFontDescriptorCopyAttribute(fontd, kCTFontURLAttribute); if (!url) return NULL; CFStringRef path = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle); CFRelease(url); if (!path) return NULL; char *buffer = cfstr2buf(path); CFRelease(path); return buffer; } static char *get_name(CTFontDescriptorRef fontd, CFStringRef attr) { char *ret = NULL; CFStringRef name = CTFontDescriptorCopyAttribute(fontd, attr); if (name) { ret = cfstr2buf(name); CFRelease(name); } return ret; } static bool get_font_info_ct(CTFontDescriptorRef fontd, char **path_out, ASS_FontProviderMetaData *info) { char *path = get_font_file(fontd); *path_out = path; if (!path || !*path) { // skip the font if the URL field in the font descriptor is empty return false; } char *ps_name = get_name(fontd, kCTFontNameAttribute); info->postscript_name = ps_name; if (!ps_name) return false; char *family_name = get_name(fontd, kCTFontFamilyNameAttribute); info->extended_family = family_name; if (!family_name) return false; return true; } static void process_descriptors(ASS_FontProvider *provider, CFArrayRef fontsd) { if (!fontsd) return; for (int i = 0; i < CFArrayGetCount(fontsd); i++) { ASS_FontProviderMetaData meta = {0}; CTFontDescriptorRef fontd = CFArrayGetValueAtIndex(fontsd, i); int index = -1; char *path = NULL; if (get_font_info_ct(fontd, &path, &meta)) { CFRetain(fontd); ass_font_provider_add_font(provider, &meta, path, index, (void*)fontd); } free(meta.postscript_name); free(meta.extended_family); free(path); } } static void match_fonts(void *priv, ASS_Library *lib, ASS_FontProvider *provider, char *name) { CFStringRef cfname = CFStringCreateWithCString(NULL, name, kCFStringEncodingUTF8); if (!cfname) return; enum { attributes_n = 3 }; CTFontDescriptorRef ctdescrs[attributes_n] = {0}; CFStringRef attributes[attributes_n] = { kCTFontFamilyNameAttribute, kCTFontDisplayNameAttribute, kCTFontNameAttribute, }; CFArrayRef descriptors = NULL; CTFontCollectionRef ctcoll = NULL; CFArrayRef fontsd = NULL; for (int i = 0; i < attributes_n; i++) { CFDictionaryRef cfattrs = CFDictionaryCreate(NULL, (const void **)&attributes[i], (const void **)&cfname, 1, NULL, NULL); if (!cfattrs) goto cleanup; ctdescrs[i] = CTFontDescriptorCreateWithAttributes(cfattrs); CFRelease(cfattrs); if (!ctdescrs[i]) goto cleanup; } descriptors = CFArrayCreate(NULL, (const void **)&ctdescrs, attributes_n, NULL); if (!descriptors) goto cleanup; const int nonzero = 1; CFNumberRef cfnonzero = CFNumberCreate(NULL, kCFNumberIntType, &nonzero); if (!cfnonzero) goto cleanup; CFDictionaryRef options = CFDictionaryCreate(NULL, (const void **)&kCTFontCollectionRemoveDuplicatesOption, (const void **)&cfnonzero, 1, NULL, NULL); CFRelease(cfnonzero); if (!options) goto cleanup; ctcoll = CTFontCollectionCreateWithFontDescriptors(descriptors, options); CFRelease(options); if (!ctcoll) goto cleanup; fontsd = CTFontCollectionCreateMatchingFontDescriptors(ctcoll); if (!fontsd) goto cleanup; process_descriptors(provider, fontsd); cleanup: SAFE_CFRelease(fontsd); SAFE_CFRelease(ctcoll); for (int i = 0; i < attributes_n; i++) SAFE_CFRelease(ctdescrs[i]); SAFE_CFRelease(descriptors); CFRelease(cfname); } static char *get_fallback(void *priv, ASS_Library *lib, const char *family, uint32_t codepoint) { CFStringRef name = CFStringCreateWithBytes( 0, (UInt8 *)family, strlen(family), kCFStringEncodingUTF8, false); if (!name) return NULL; CTFontRef font = CTFontCreateWithName(name, 0, NULL); CFRelease(name); if (!font) return NULL; uint32_t codepointle = OSSwapHostToLittleInt32(codepoint); CFStringRef r = CFStringCreateWithBytes( 0, (UInt8*)&codepointle, sizeof(codepointle), kCFStringEncodingUTF32LE, false); if (!r) { CFRelease(font); return NULL; } CTFontRef fb = CTFontCreateForString(font, r, CFRangeMake(0, 1)); CFRelease(font); CFRelease(r); if (!fb) return NULL; CFStringRef cffamily = CTFontCopyFamilyName(fb); CFRelease(fb); if (!cffamily) return NULL; char *res_family = cfstr2buf(cffamily); CFRelease(cffamily); return res_family; } static void get_substitutions(void *priv, const char *name, ASS_FontProviderMetaData *meta) { const int n = sizeof(font_substitutions) / sizeof(font_substitutions[0]); ass_map_font(font_substitutions, n, name, meta); } static ASS_FontProviderFuncs coretext_callbacks = { .check_postscript = check_postscript, .check_glyph = check_glyph, .destroy_font = destroy_font, .match_fonts = match_fonts, .get_substitutions = get_substitutions, .get_fallback = get_fallback, }; ASS_FontProvider * ass_coretext_add_provider(ASS_Library *lib, ASS_FontSelector *selector, const char *config, FT_Library ftlib) { return ass_font_provider_new(selector, &coretext_callbacks, NULL); } libass-0.17.1/libass/ass_coretext.h0000644060175106017510000000215514335161336014155 00000000000000/* * Copyright (C) 2013 Stefano Pigozzi * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "ass_types.h" #include "ass_fontselect.h" #ifndef ASS_CORETEXT_H #define ASS_CORETEXT_H #ifdef CONFIG_CORETEXT ASS_FontProvider * ass_coretext_add_provider(ASS_Library *lib, ASS_FontSelector *selector, const char *config, FT_Library ftlib); #endif #endif libass-0.17.1/libass/ass_directwrite.c0000644060175106017510000010504114371314501014630 00000000000000/* * Copyright (C) 2015 Stephan Vedder * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #define COBJMACROS #include "config.h" #include "ass_compat.h" #include #include #include "dwrite_c.h" #include "ass_directwrite.h" #include "ass_utils.h" #define FALLBACK_DEFAULT_FONT L"Arial" static const ASS_FontMapping font_substitutions[] = { {"sans-serif", "Arial"}, {"serif", "Times New Roman"}, {"monospace", "Courier New"} }; typedef struct ASS_SharedHDC ASS_SharedHDC; #if ASS_WINAPI_DESKTOP struct ASS_SharedHDC { HDC hdc; unsigned ref_count; }; static ASS_SharedHDC *hdc_retain(ASS_SharedHDC *shared_hdc) { shared_hdc->ref_count++; return shared_hdc; } static void hdc_release(ASS_SharedHDC *shared_hdc) { if (!--shared_hdc->ref_count) { DeleteDC(shared_hdc->hdc); free(shared_hdc); } } #endif /* * The private data stored for every font, detected by this backend. */ typedef struct { #if ASS_WINAPI_DESKTOP ASS_SharedHDC *shared_hdc; #endif IDWriteFont *font; IDWriteFontFace *face; IDWriteFontFileStream *stream; } FontPrivate; typedef struct { #if ASS_WINAPI_DESKTOP HMODULE directwrite_lib; #endif IDWriteFactory *factory; IDWriteGdiInterop *gdi_interop; } ProviderPrivate; /** * Custom text renderer class for logging the fonts used. It does not * actually render anything or do anything apart from that. */ typedef struct FallbackLogTextRenderer { IDWriteTextRenderer iface; IDWriteTextRendererVtbl vtbl; IDWriteFactory *dw_factory; LONG ref_count; } FallbackLogTextRenderer; static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_IsPixelSnappingDisabled( IDWriteTextRenderer *This, void* clientDrawingContext, BOOL* isDisabled ) { *isDisabled = true; return S_OK; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_GetCurrentTransform( IDWriteTextRenderer *This, void* clientDrawingContext, DWRITE_MATRIX* transform ) { return E_NOTIMPL; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_GetPixelsPerDip( IDWriteTextRenderer *This, void* clientDrawingContext, FLOAT* pixelsPerDip ) { return E_NOTIMPL; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_DrawGlyphRun( IDWriteTextRenderer *This, void* clientDrawingContext, FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_MEASURING_MODE measuringMode, DWRITE_GLYPH_RUN const* glyphRun, DWRITE_GLYPH_RUN_DESCRIPTION const* glyphRunDescription, IUnknown* clientDrawingEffect ) { FallbackLogTextRenderer *this = (FallbackLogTextRenderer *)This; HRESULT hr; IDWriteFontCollection *font_coll = NULL; IDWriteFont **font = (IDWriteFont **)clientDrawingContext; hr = IDWriteFactory_GetSystemFontCollection(this->dw_factory, &font_coll, FALSE); if (FAILED(hr)) return E_FAIL; hr = IDWriteFontCollection_GetFontFromFontFace(font_coll, glyphRun->fontFace, font); if (FAILED(hr)) return E_FAIL; return S_OK; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_DrawUnderline( IDWriteTextRenderer *This, void* clientDrawingContext, FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_UNDERLINE const* underline, IUnknown* clientDrawingEffect ) { return S_OK; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_DrawStrikethrough( IDWriteTextRenderer *This, void* clientDrawingContext, FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_STRIKETHROUGH const* strikethrough, IUnknown* clientDrawingEffect ) { return S_OK; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_DrawInlineObject( IDWriteTextRenderer *This, void *clientDrawingContext, FLOAT originX, FLOAT originY, IDWriteInlineObject *inlineObject, BOOL isSideways, BOOL isRightToLeft, IUnknown *clientDrawingEffect ) { return S_OK; } // IUnknown methods static ULONG STDMETHODCALLTYPE FallbackLogTextRenderer_AddRef( IDWriteTextRenderer *This ) { FallbackLogTextRenderer *this = (FallbackLogTextRenderer *)This; return InterlockedIncrement(&this->ref_count); } static ULONG STDMETHODCALLTYPE FallbackLogTextRenderer_Release( IDWriteTextRenderer *This ) { FallbackLogTextRenderer *this = (FallbackLogTextRenderer *)This; unsigned long new_count = InterlockedDecrement(&this->ref_count); if (new_count == 0) { free(this); return 0; } return new_count; } static HRESULT STDMETHODCALLTYPE FallbackLogTextRenderer_QueryInterface( IDWriteTextRenderer *This, REFIID riid, void **ppvObject ) { if (IsEqualGUID(riid, &IID_IDWriteTextRenderer) || IsEqualGUID(riid, &IID_IDWritePixelSnapping) || IsEqualGUID(riid, &IID_IUnknown)) { *ppvObject = This; } else { *ppvObject = NULL; return E_FAIL; } This->lpVtbl->AddRef(This); return S_OK; } static void init_FallbackLogTextRenderer(FallbackLogTextRenderer *r, IDWriteFactory *factory) { *r = (FallbackLogTextRenderer) { .iface = { .lpVtbl = &r->vtbl, }, .vtbl = { FallbackLogTextRenderer_QueryInterface, FallbackLogTextRenderer_AddRef, FallbackLogTextRenderer_Release, FallbackLogTextRenderer_IsPixelSnappingDisabled, FallbackLogTextRenderer_GetCurrentTransform, FallbackLogTextRenderer_GetPixelsPerDip, FallbackLogTextRenderer_DrawGlyphRun, FallbackLogTextRenderer_DrawUnderline, FallbackLogTextRenderer_DrawStrikethrough, FallbackLogTextRenderer_DrawInlineObject, }, .dw_factory = factory, }; } /* * This function is called whenever a font is accessed for the * first time. It will create a FontFace for metadata access and * memory reading, which will be stored within the private data. */ static bool init_font_private_face(FontPrivate *priv) { HRESULT hr; IDWriteFontFace *face; if (priv->face != NULL) return true; hr = IDWriteFont_CreateFontFace(priv->font, &face); if (FAILED(hr) || !face) return false; priv->face = face; return true; } /* * This function is called whenever a font is used for the first * time. It will create a FontStream for memory reading, which * will be stored within the private data. */ static bool init_font_private_stream(FontPrivate *priv) { HRESULT hr = S_OK; IDWriteFontFile *file = NULL; IDWriteFontFileStream *stream = NULL; IDWriteFontFileLoader *loader = NULL; UINT32 n_files = 1; const void *refKey = NULL; UINT32 keySize = 0; if (priv->stream != NULL) return true; if (!init_font_private_face(priv)) return false; /* DirectWrite only supports one file per face */ hr = IDWriteFontFace_GetFiles(priv->face, &n_files, &file); if (FAILED(hr) || !file) return false; hr = IDWriteFontFile_GetReferenceKey(file, &refKey, &keySize); if (FAILED(hr)) { IDWriteFontFile_Release(file); return false; } hr = IDWriteFontFile_GetLoader(file, &loader); if (FAILED(hr) || !loader) { IDWriteFontFile_Release(file); return false; } hr = IDWriteFontFileLoader_CreateStreamFromKey(loader, refKey, keySize, &stream); if (FAILED(hr) || !stream) { IDWriteFontFile_Release(file); return false; } priv->stream = stream; IDWriteFontFile_Release(file); return true; } /* * Read a specified part of a fontfile into memory. * If the font wasn't used before first creates a * FontStream and save it into the private data for later usage. * If the parameter "buf" is NULL libass wants to know the * size of the Fontfile */ static size_t get_data(void *data, unsigned char *buf, size_t offset, size_t length) { HRESULT hr = S_OK; FontPrivate *priv = (FontPrivate *) data; const void *fileBuf = NULL; void *fragContext = NULL; if (!init_font_private_stream(priv)) return 0; if (buf == NULL) { UINT64 fileSize; hr = IDWriteFontFileStream_GetFileSize(priv->stream, &fileSize); if (FAILED(hr)) return 0; return fileSize; } hr = IDWriteFontFileStream_ReadFileFragment(priv->stream, &fileBuf, offset, length, &fragContext); if (FAILED(hr) || !fileBuf) return 0; memcpy(buf, fileBuf, length); IDWriteFontFileStream_ReleaseFileFragment(priv->stream, fragContext); return length; } /* * Check whether the font contains PostScript outlines. */ static bool check_postscript(void *data) { FontPrivate *priv = (FontPrivate *) data; if (!init_font_private_face(priv)) return false; DWRITE_FONT_FACE_TYPE type = IDWriteFontFace_GetType(priv->face); return type == DWRITE_FONT_FACE_TYPE_CFF || type == DWRITE_FONT_FACE_TYPE_RAW_CFF || type == DWRITE_FONT_FACE_TYPE_TYPE1; } /* * Lazily return index of font. It requires the FontFace to be present, which is expensive to initialize. */ static unsigned get_font_index(void *data) { FontPrivate *priv = (FontPrivate *)data; if (!init_font_private_face(priv)) return 0; return IDWriteFontFace_GetIndex(priv->face); } /* * Check if the passed font has a specific unicode character. */ static bool check_glyph(void *data, uint32_t code) { HRESULT hr = S_OK; FontPrivate *priv = (FontPrivate *) data; BOOL exists = FALSE; if (code == 0) return true; if (priv->font) { hr = IDWriteFont_HasCharacter(priv->font, code, &exists); if (FAILED(hr)) return false; } else { uint16_t glyph_index; hr = IDWriteFontFace_GetGlyphIndices(priv->face, &code, 1, &glyph_index); if (FAILED(hr)) return false; exists = !!glyph_index; } return exists; } /* * This will release the directwrite backend */ static void destroy_provider(void *priv) { ProviderPrivate *provider_priv = (ProviderPrivate *)priv; provider_priv->gdi_interop->lpVtbl->Release(provider_priv->gdi_interop); provider_priv->factory->lpVtbl->Release(provider_priv->factory); #if ASS_WINAPI_DESKTOP FreeLibrary(provider_priv->directwrite_lib); #endif free(provider_priv); } /* * This will destroy a specific font and it's * Fontstream (in case it does exist) */ static void destroy_font(void *data) { FontPrivate *priv = (FontPrivate *) data; if (priv->font != NULL) IDWriteFont_Release(priv->font); if (priv->face != NULL) IDWriteFontFace_Release(priv->face); if (priv->stream != NULL) IDWriteFontFileStream_Release(priv->stream); #if ASS_WINAPI_DESKTOP hdc_release(priv->shared_hdc); #endif free(priv); } static int encode_utf16(wchar_t *chars, uint32_t codepoint) { if (codepoint < 0x10000) { chars[0] = codepoint; return 1; } else { chars[0] = (codepoint >> 10) + 0xD7C0; chars[1] = (codepoint & 0x3FF) + 0xDC00; return 2; } } static char *get_utf8_name(IDWriteLocalizedStrings *names, int k) { wchar_t *temp_name = NULL; char *mbName = NULL; UINT32 length; HRESULT hr = IDWriteLocalizedStrings_GetStringLength(names, k, &length); if (FAILED(hr)) goto cleanup; if (length >= (UINT32) -1 || length + (size_t) 1 > SIZE_MAX / sizeof(wchar_t)) goto cleanup; temp_name = malloc((length + 1) * sizeof(wchar_t)); if (!temp_name) goto cleanup; hr = IDWriteLocalizedStrings_GetString(names, k, temp_name, length + 1); if (FAILED(hr)) goto cleanup; int size_needed = WideCharToMultiByte(CP_UTF8, 0, temp_name, -1, NULL, 0, NULL, NULL); if (!size_needed) goto cleanup; mbName = malloc(size_needed); if (!mbName) goto cleanup; WideCharToMultiByte(CP_UTF8, 0, temp_name, -1, mbName, size_needed, NULL, NULL); cleanup: free(temp_name); return mbName; } static char *get_fallback(void *priv, ASS_Library *lib, const char *base, uint32_t codepoint) { HRESULT hr; ProviderPrivate *provider_priv = (ProviderPrivate *)priv; IDWriteFactory *dw_factory = provider_priv->factory; IDWriteTextFormat *text_format = NULL; IDWriteTextLayout *text_layout = NULL; FallbackLogTextRenderer renderer; init_FallbackLogTextRenderer(&renderer, dw_factory); hr = IDWriteFactory_CreateTextFormat(dw_factory, FALLBACK_DEFAULT_FONT, NULL, DWRITE_FONT_WEIGHT_MEDIUM, DWRITE_FONT_STYLE_NORMAL, DWRITE_FONT_STRETCH_NORMAL, 1.0f, L"", &text_format); if (FAILED(hr)) { return NULL; } // Encode codepoint as UTF-16 wchar_t char_string[2]; int char_len = encode_utf16(char_string, codepoint); // Create a text_layout, a high-level text rendering facility, using // the given codepoint and dummy format. hr = IDWriteFactory_CreateTextLayout(dw_factory, char_string, char_len, text_format, 0.0f, 0.0f, &text_layout); if (FAILED(hr)) { IDWriteTextFormat_Release(text_format); return NULL; } // Draw the layout with a dummy renderer, which logs the // font used and stores it. IDWriteFont *font = NULL; hr = IDWriteTextLayout_Draw(text_layout, &font, &renderer.iface, 0.0f, 0.0f); if (FAILED(hr) || font == NULL) { IDWriteTextLayout_Release(text_layout); IDWriteTextFormat_Release(text_format); return NULL; } // We're done with these now IDWriteTextLayout_Release(text_layout); IDWriteTextFormat_Release(text_format); // DirectWrite may not have found a valid fallback, so check that // the selected font actually has the requested glyph. BOOL exists = FALSE; if (codepoint > 0) { hr = IDWriteFont_HasCharacter(font, codepoint, &exists); if (FAILED(hr) || !exists) { IDWriteFont_Release(font); return NULL; } } // Now, just extract the first family name IDWriteLocalizedStrings *familyNames = NULL; hr = IDWriteFont_GetInformationalStrings(font, DWRITE_INFORMATIONAL_STRING_WIN32_FAMILY_NAMES, &familyNames, &exists); if (FAILED(hr) || !exists) { IDWriteFont_Release(font); return NULL; } char *family = get_utf8_name(familyNames, 0); IDWriteLocalizedStrings_Release(familyNames); IDWriteFont_Release(font); return family; } static int map_width(enum DWRITE_FONT_STRETCH stretch) { switch (stretch) { case DWRITE_FONT_STRETCH_ULTRA_CONDENSED: return 50; case DWRITE_FONT_STRETCH_EXTRA_CONDENSED: return 63; case DWRITE_FONT_STRETCH_CONDENSED: return FONT_WIDTH_CONDENSED; case DWRITE_FONT_STRETCH_SEMI_CONDENSED: return 88; case DWRITE_FONT_STRETCH_MEDIUM: return FONT_WIDTH_NORMAL; case DWRITE_FONT_STRETCH_SEMI_EXPANDED: return 113; case DWRITE_FONT_STRETCH_EXPANDED: return FONT_WIDTH_EXPANDED; case DWRITE_FONT_STRETCH_EXTRA_EXPANDED: return 150; case DWRITE_FONT_STRETCH_ULTRA_EXPANDED: return 200; default: return FONT_WIDTH_NORMAL; } } #define FONT_TYPE IDWriteFontFace3 #include "ass_directwrite_info_template.h" #undef FONT_TYPE static void add_font_face(IDWriteFontFace *face, ASS_FontProvider *provider, ASS_SharedHDC *shared_hdc) { ASS_FontProviderMetaData meta = {0}; IDWriteFontFace3 *face3; HRESULT hr = IDWriteFontFace_QueryInterface(face, &IID_IDWriteFontFace3, (void **) &face3); if (SUCCEEDED(hr) && face3) { bool success = get_font_info_IDWriteFontFace3(face3, &meta); IDWriteFontFace3_Release(face3); if (!success) goto cleanup; } FontPrivate *font_priv = calloc(1, sizeof(*font_priv)); if (!font_priv) goto cleanup; font_priv->face = face; face = NULL; #if ASS_WINAPI_DESKTOP font_priv->shared_hdc = hdc_retain(shared_hdc); #endif ass_font_provider_add_font(provider, &meta, NULL, 0, font_priv); cleanup: if (meta.families) { for (int k = 0; k < meta.n_family; k++) free(meta.families[k]); free(meta.families); } if (meta.fullnames) { for (int k = 0; k < meta.n_fullname; k++) free(meta.fullnames[k]); free(meta.fullnames); } free(meta.postscript_name); if (face) IDWriteFontFace_Release(face); } #if ASS_WINAPI_DESKTOP struct font_enum_priv { ASS_FontProvider *provider; IDWriteGdiInterop *gdi_interop; ASS_SharedHDC *shared_hdc; }; /* * Windows has three similar functions: EnumFonts, EnumFontFamilies * and EnumFontFamiliesEx, which were introduced at different times. * Each takes a callback, and the declared callback type is the same * for all three. However, the actual arguments passed to the callback * have also changed over time. Some changes match the introduction * of new EnumFont... variants, and some don't. Documentation has * changed over the years, too, so it can be hard to figure out what * types, and when, are safe for the callback to take. * * In the header files, FONTENUMPROC is declared to take: * CONST LOGFONT *, CONST TEXTMETRIC * * These are the baseline structs dating back to 16-bit Windows EnumFont. * * As of 2021, current versions of Microsoft's docs * for the EnumFontFamiliesEx callback use the same: * const LOGFONT *, const TEXTMETRIC * * and for the EnumFontFamilies callback use: * ENUMLOGFONT *, NEWTEXTMETRIC * * and mention that the first "can be cast as" ENUMLOGFONTEX or ENUMLOGFONTEXDV * while the second "can be an ENUMTEXTMETRIC structure" but for * non-TrueType fonts "is a pointer to a TEXTMETRIC structure". * * Docs from the 2000s (which include Win95/98/Me/NT/2000/XP details) use * ENUMLOGFONTEX *, NEWTEXTMETRICEX * * in the EnumFontFamiliesEx callback's definition: * https://web.archive.org/web/20050907052149 * /http://msdn.microsoft.com/library/en-us/gdi/fontext_9rmr.asp * and highlight these two extended struct types as advantages over * the EnumFontFamilies callback, suggesting that the actual arguments * to the EnumFontFamiliesEx callback have always been these two extended * structs. This is also reflected in the callback's parameter names * (which have stayed unchanged in the current docs). * EnumFontFamiliesEx itself was added in Windows NT 4.0 and 95. * * Similarly, the EnumFontFamilies callback's parameter names support * the idea that they have always used ENUMLOGFONT and NEWTEXTMETRIC. * * It seems the extra fields in NEWTEXTMETRIC[EX] compared to TEXTMETRIC * are merely zero-filled when they are irrelevant, rather than nonexistent * or inaccessible. This is further supported by the fact the later-still * struct ENUMTEXTMETRIC extends NEWTEXTMETRICEX even though the former * is/was (upon introduction) relevant only to PostScript fonts * while the latter is (supposedly) relevant only to TrueType fonts. * * Docs from the 2000s for ENUMLOGFONTEXDV and ENUMTEXTMETRIC: * https://web.archive.org/web/20050306200105 * /http://msdn.microsoft.com/library/en-us/gdi/fontext_15gy.asp * seem to assert that the callback receives these two further-extended * structs *if and only if* running on Windows 2000 or newer. * We don't need them, but if we did, we'd have to check (or assume) * Windows version, because this extension does not seem to have * an associated feature check. Moreover, these structs are given * to the callbacks of all three EnumFont... function variants. * So even EnumFonts actually uses the extended structs in 21st-century * Windows, but the declared callback type can no longer be changed * without breaking existing C++ code due to its strongly-typed pointers. * When targeting modern Windows, though, it seems safe for consumer * code to take the newest structs and cast the function pointer * to the declared callback type. */ static int CALLBACK font_enum_proc(const ENUMLOGFONTW *lpelf, const NEWTEXTMETRICW *lpntm, DWORD FontType, LPARAM lParam) { struct font_enum_priv *priv = (struct font_enum_priv *) lParam; HFONT hFont = NULL; HRESULT hr; if (FontType & RASTER_FONTTYPE) goto cleanup; hFont = CreateFontIndirectW(&lpelf->elfLogFont); if (!hFont) goto cleanup; HDC hdc = priv->shared_hdc->hdc; if (!SelectObject(hdc, hFont)) goto cleanup; wchar_t selected_name[LF_FACESIZE]; if (!GetTextFaceW(hdc, LF_FACESIZE, selected_name)) goto cleanup; if (wcsncmp(selected_name, lpelf->elfLogFont.lfFaceName, LF_FACESIZE)) { // A different font was selected. This can happen if the requested // name is subject to charset-specific font substitution while // EnumFont... enumerates additional charsets contained in the font. // Alternatively, the font may have disappeared in the meantime. // Either way, there's no use looking at this font any further. goto cleanup; } // For single-font files, we could also use GetFontData, but for font // collection files, GDI does not expose the current font index. // CreateFontFaceFromHdc is able to find it out using a private API; // and it may also be more efficient if it doesn't copy the data. // The downside is that we must keep the HDC alive, at least on Windows 7, // to prevent the font from being deleted and breaking the IDWriteFontFace. IDWriteFontFace *face = NULL; hr = IDWriteGdiInterop_CreateFontFaceFromHdc(priv->gdi_interop, hdc, &face); if (FAILED(hr) || !face) goto cleanup; add_font_face(face, priv->provider, priv->shared_hdc); cleanup: if (hFont) DeleteObject(hFont); return 1 /* continue enumerating */; } #else static void add_font_set(IDWriteFontSet *fontSet, ASS_FontProvider *provider) { UINT32 n = IDWriteFontSet_GetFontCount(fontSet); for (UINT32 i = 0; i < n; i++) { HRESULT hr; IDWriteFontFaceReference *faceRef; hr = IDWriteFontSet_GetFontFaceReference(fontSet, i, &faceRef); if (FAILED(hr) || !faceRef) continue; if (IDWriteFontFaceReference_GetLocality(faceRef) != DWRITE_LOCALITY_LOCAL) goto cleanup; // Simulations for bold or oblique are sometimes synthesized by // DirectWrite. We are only interested in physical fonts. if (IDWriteFontFaceReference_GetSimulations(faceRef) != 0) goto cleanup; IDWriteFontFace3 *face; hr = IDWriteFontFaceReference_CreateFontFace(faceRef, &face); if (FAILED(hr) || !face) goto cleanup; add_font_face((IDWriteFontFace *) face, provider, NULL); cleanup: IDWriteFontFaceReference_Release(faceRef); } } #define FONT_TYPE IDWriteFont #define FAMILY_AS_ARG #include "ass_directwrite_info_template.h" #undef FONT_TYPE #undef FAMILY_AS_ARG static void add_font(IDWriteFont *font, IDWriteFontFamily *fontFamily, ASS_FontProvider *provider) { ASS_FontProviderMetaData meta = {0}; if (!get_font_info_IDWriteFont(font, fontFamily, &meta)) goto cleanup; FontPrivate *font_priv = calloc(1, sizeof(*font_priv)); if (!font_priv) goto cleanup; font_priv->font = font; font = NULL; ass_font_provider_add_font(provider, &meta, NULL, 0, font_priv); cleanup: if (meta.families) { for (int k = 0; k < meta.n_family; k++) free(meta.families[k]); free(meta.families); } if (meta.fullnames) { for (int k = 0; k < meta.n_fullname; k++) free(meta.fullnames[k]); free(meta.fullnames); } free(meta.postscript_name); if (font) IDWriteFont_Release(font); } #endif /* * When a new font name is requested, called to load that font from Windows */ static void match_fonts(void *priv, ASS_Library *lib, ASS_FontProvider *provider, char *name) { ProviderPrivate *provider_priv = (ProviderPrivate *)priv; LOGFONTW lf = {0}; // lfFaceName can hold up to LF_FACESIZE wchars; truncate longer names MultiByteToWideChar(CP_UTF8, 0, name, -1, lf.lfFaceName, LF_FACESIZE-1); #if ASS_WINAPI_DESKTOP struct font_enum_priv enum_priv; enum_priv.shared_hdc = calloc(1, sizeof(ASS_SharedHDC)); if (!enum_priv.shared_hdc) return; // Keep this HDC alive to keep the fonts alive. This seems to be necessary // on Windows 7, where the fonts can't be deleted as long as the DC lives // and where the converted IDWriteFontFaces only work as long as the fonts // aren't deleted, although not on Windows 10, where fonts can be deleted // even if the DC still lives but IDWriteFontFaces keep working even if // the fonts are deleted. // // But beware of threading: docs say CreateCompatibleDC(NULL) creates a DC // that is bound to the current thread and is deleted when the thread dies. // It's not forbidden to call libass functions from multiple threads // over the lifetime of a font provider, so this doesn't work for us. // Practical tests suggest that the docs are wrong and the DC actually // persists after its creating thread dies, but let's not rely on that. // The workaround is to do a longer dance that is effectively equivalent to // CreateCompatibleDC(NULL) but isn't specifically CreateCompatibleDC(NULL). HDC screen_dc = GetDC(NULL); if (!screen_dc) { free(enum_priv.shared_hdc); return; } HDC hdc = CreateCompatibleDC(screen_dc); ReleaseDC(NULL, screen_dc); if (!hdc) { free(enum_priv.shared_hdc); return; } enum_priv.provider = provider; enum_priv.gdi_interop = provider_priv->gdi_interop; enum_priv.shared_hdc->hdc = hdc; enum_priv.shared_hdc->ref_count = 1; // EnumFontFamilies gives each font once, plus repeats for charset-specific // aliases. EnumFontFamiliesEx gives each charset of each font separately, // so it repeats each font as many times as it has charsets, regardless // of whether they have aliases. Other than this, the two functions are // equivalent. There's no reliable way to distinguish when two items // enumerated by either function refer to the same font (but different // aliases or charsets) or actually distinct fonts, so we add every item // as a separate font to our database and simply prefer the enumeration // function that tends to give fewer duplicates. Generally, many fonts // cover multiple charsets while very few have aliases, so we prefer // EnumFontFamilies. // // Furthermore, the requested name might be an empty string. In this case, // EnumFontFamilies will give us only fonts with empty names, whereas // EnumFontFamiliesEx would give us a list of all installed font families. EnumFontFamiliesW(hdc, lf.lfFaceName, (FONTENUMPROCW) font_enum_proc, (LPARAM) &enum_priv); hdc_release(enum_priv.shared_hdc); #else HRESULT hr; IDWriteFactory3 *factory3; hr = IDWriteFactory_QueryInterface(provider_priv->factory, &IID_IDWriteFactory3, (void **) &factory3); if (SUCCEEDED(hr) && factory3) { IDWriteFontSet *fontSet; hr = IDWriteFactory3_GetSystemFontSet(factory3, &fontSet); IDWriteFactory3_Release(factory3); if (FAILED(hr) || !fontSet) return; DWRITE_FONT_PROPERTY_ID property_ids[] = { DWRITE_FONT_PROPERTY_ID_WIN32_FAMILY_NAME, DWRITE_FONT_PROPERTY_ID_FULL_NAME, DWRITE_FONT_PROPERTY_ID_POSTSCRIPT_NAME, }; for (int i = 0; i < sizeof property_ids / sizeof *property_ids; i++) { DWRITE_FONT_PROPERTY property = { property_ids[i], lf.lfFaceName, L"", }; IDWriteFontSet *filteredSet; hr = IDWriteFontSet_GetMatchingFonts(fontSet, &property, 1, &filteredSet); if (FAILED(hr) || !filteredSet) continue; add_font_set(filteredSet, provider); IDWriteFontSet_Release(filteredSet); } IDWriteFontSet_Release(fontSet); } else { // We must be in Windows 8 WinRT. IDWriteFontSet is not yet // supported, but GDI calls are forbidden. Our only options are // FindFamilyName, CreateFontFromLOGFONT, and eager preloading // of all fonts. The two lazy options are similar, with the // difference that FindFamilyName searches by WWS_FAMILY_NAME // whereas CreateFontFromLOGFONT searches by WIN32_FAMILY_NAME. // The latter is what GDI uses, so pick that. In at least some // versions of Windows, it also searches by FULL_NAME, which is // even better, but it's unclear whether this includes Windows 8. // It never searches by POSTSCRIPT_NAME. This means we won't // find CFF-outline fonts by their PostScript name and may not // find TrueType fonts by their full name; but we can't fix this // without loading the entire font list. lf.lfWeight = FW_DONTCARE; lf.lfCharSet = DEFAULT_CHARSET; lf.lfOutPrecision = OUT_TT_PRECIS; lf.lfClipPrecision = CLIP_DEFAULT_PRECIS; lf.lfQuality = ANTIALIASED_QUALITY; lf.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE; IDWriteFont *font = NULL; hr = IDWriteGdiInterop_CreateFontFromLOGFONT(provider_priv->gdi_interop, &lf, &font); if (FAILED(hr) || !font) return; IDWriteFontFamily *fontFamily = NULL; hr = IDWriteFont_GetFontFamily(font, &fontFamily); IDWriteFont_Release(font); if (FAILED(hr) || !fontFamily) return; UINT32 n = IDWriteFontFamily_GetFontCount(fontFamily); for (UINT32 i = 0; i < n; i++) { hr = IDWriteFontFamily_GetFont(fontFamily, i, &font); if (FAILED(hr)) continue; // Simulations for bold or oblique are sometimes synthesized by // DirectWrite. We are only interested in physical fonts. if (IDWriteFont_GetSimulations(font) != 0) { IDWriteFont_Release(font); continue; } add_font(font, fontFamily, provider); } IDWriteFontFamily_Release(fontFamily); } #endif } static void get_substitutions(void *priv, const char *name, ASS_FontProviderMetaData *meta) { const int n = sizeof(font_substitutions) / sizeof(font_substitutions[0]); ass_map_font(font_substitutions, n, name, meta); } /* * Called by libass when the provider should perform the * specified task */ static ASS_FontProviderFuncs directwrite_callbacks = { .get_data = get_data, .check_postscript = check_postscript, .check_glyph = check_glyph, .destroy_font = destroy_font, .destroy_provider = destroy_provider, .match_fonts = match_fonts, .get_substitutions = get_substitutions, .get_fallback = get_fallback, .get_font_index = get_font_index, }; #if ASS_WINAPI_DESKTOP typedef HRESULT (WINAPI *DWriteCreateFactoryFn) #else // LoadLibrary is forbidden in WinRT/UWP apps, so use DirectWrite directly. // These apps cannot run on older Windows that lacks DirectWrite, // so we lose nothing. HRESULT WINAPI DWriteCreateFactory #endif ( DWRITE_FACTORY_TYPE factoryType, REFIID iid, IUnknown **factory ); /* * Register the directwrite provider. Upon registering * scans all system fonts. The private data for this * provider is IDWriteFactory * On failure returns NULL */ ASS_FontProvider *ass_directwrite_add_provider(ASS_Library *lib, ASS_FontSelector *selector, const char *config, FT_Library ftlib) { HRESULT hr = S_OK; IDWriteFactory *dwFactory = NULL; IDWriteGdiInterop *dwGdiInterop = NULL; ASS_FontProvider *provider = NULL; ProviderPrivate *priv = NULL; #if ASS_WINAPI_DESKTOP HMODULE directwrite_lib = LoadLibraryW(L"Dwrite.dll"); if (!directwrite_lib) goto cleanup; DWriteCreateFactoryFn DWriteCreateFactory = (DWriteCreateFactoryFn)(void *)GetProcAddress(directwrite_lib, "DWriteCreateFactory"); if (!DWriteCreateFactory) goto cleanup; #endif hr = DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, &IID_IDWriteFactory, (IUnknown **) (&dwFactory)); if (FAILED(hr) || !dwFactory) { ass_msg(lib, MSGL_WARN, "Failed to initialize directwrite."); dwFactory = NULL; goto cleanup; } hr = IDWriteFactory_GetGdiInterop(dwFactory, &dwGdiInterop); if (FAILED(hr) || !dwGdiInterop) { ass_msg(lib, MSGL_WARN, "Failed to get IDWriteGdiInterop."); dwGdiInterop = NULL; goto cleanup; } priv = calloc(sizeof(*priv), 1); if (!priv) goto cleanup; #if ASS_WINAPI_DESKTOP priv->directwrite_lib = directwrite_lib; #endif priv->factory = dwFactory; priv->gdi_interop = dwGdiInterop; provider = ass_font_provider_new(selector, &directwrite_callbacks, priv); if (!provider) goto cleanup; return provider; cleanup: free(priv); if (dwGdiInterop) dwGdiInterop->lpVtbl->Release(dwGdiInterop); if (dwFactory) dwFactory->lpVtbl->Release(dwFactory); #if ASS_WINAPI_DESKTOP if (directwrite_lib) FreeLibrary(directwrite_lib); #endif return NULL; } libass-0.17.1/libass/ass_directwrite.h0000644060175106017510000000237614371314501014644 00000000000000/* * Copyright (C) 2015 Stephan Vedder * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "ass_types.h" #include "ass_fontselect.h" #ifndef ASS_DIRECTWRITE_H #define ASS_DIRECTWRITE_H #ifdef WINAPI_FAMILY #include #define ASS_WINAPI_DESKTOP WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #else #define ASS_WINAPI_DESKTOP 1 #endif ASS_FontProvider * ass_directwrite_add_provider(ASS_Library *lib, ASS_FontSelector *selector, const char *config, FT_Library ftlib); #endif libass-0.17.1/libass/ass_directwrite_info_template.h0000644060175106017510000000561214371314501017546 00000000000000#define CONCAT(a, b) a ## b #define NAME(suffix) CONCAT(get_font_info_, suffix) static bool NAME(FONT_TYPE)(FONT_TYPE *font, #ifdef FAMILY_AS_ARG IDWriteFontFamily *fontFamily, #endif ASS_FontProviderMetaData *meta) #undef NAME #undef CONCAT { HRESULT hr; BOOL exists; meta->weight = font->lpVtbl->GetWeight(font); meta->width = map_width(font->lpVtbl->GetStretch(font)); DWRITE_FONT_STYLE style = font->lpVtbl->GetStyle(font); meta->slant = (style == DWRITE_FONT_STYLE_NORMAL) ? FONT_SLANT_NONE : (style == DWRITE_FONT_STYLE_OBLIQUE)? FONT_SLANT_OBLIQUE : (style == DWRITE_FONT_STYLE_ITALIC) ? FONT_SLANT_ITALIC : FONT_SLANT_NONE; IDWriteLocalizedStrings *psNames; hr = font->lpVtbl->GetInformationalStrings(font, DWRITE_INFORMATIONAL_STRING_POSTSCRIPT_NAME, &psNames, &exists); if (FAILED(hr)) return false; if (exists) { meta->postscript_name = get_utf8_name(psNames, 0); IDWriteLocalizedStrings_Release(psNames); if (!meta->postscript_name) return false; } IDWriteLocalizedStrings *fontNames; hr = font->lpVtbl->GetInformationalStrings(font, DWRITE_INFORMATIONAL_STRING_FULL_NAME, &fontNames, &exists); if (FAILED(hr)) return false; if (exists) { meta->n_fullname = IDWriteLocalizedStrings_GetCount(fontNames); meta->fullnames = calloc(meta->n_fullname, sizeof(char *)); if (!meta->fullnames) { IDWriteLocalizedStrings_Release(fontNames); return false; } for (int k = 0; k < meta->n_fullname; k++) { meta->fullnames[k] = get_utf8_name(fontNames, k); if (!meta->fullnames[k]) { IDWriteLocalizedStrings_Release(fontNames); return false; } } IDWriteLocalizedStrings_Release(fontNames); } IDWriteLocalizedStrings *familyNames; hr = font->lpVtbl->GetInformationalStrings(font, DWRITE_INFORMATIONAL_STRING_WIN32_FAMILY_NAMES, &familyNames, &exists); if (!FAILED(hr) && !exists) { #ifdef FAMILY_AS_ARG hr = IDWriteFontFamily_GetFamilyNames(fontFamily, &familyNames); #else hr = font->lpVtbl->GetFamilyNames(font, &familyNames); #endif } if (FAILED(hr)) return false; meta->n_family = IDWriteLocalizedStrings_GetCount(familyNames); meta->families = calloc(meta->n_family, sizeof(char *)); if (!meta->families) { IDWriteLocalizedStrings_Release(familyNames); return false; } for (int k = 0; k < meta->n_family; k++) { meta->families[k] = get_utf8_name(familyNames, k); if (!meta->families[k]) { IDWriteLocalizedStrings_Release(familyNames); return false; } } IDWriteLocalizedStrings_Release(familyNames); return true; } libass-0.17.1/libass/ass_drawing.c0000644060175106017510000002031314371314501013734 00000000000000/* * Copyright (C) 2009 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include "ass_utils.h" #include "ass_drawing.h" #include "ass_font.h" #define DRAWING_INITIAL_POINTS 100 #define DRAWING_INITIAL_SEGMENTS 100 /* * \brief Check whether a number of items on the list is available */ static bool token_check_values(ASS_DrawingToken *token, int i, int type) { for (int j = 0; j < i; j++) { if (!token || token->type != type) return false; token = token->next; } return true; } /* * \brief Tokenize a drawing string into a list of ASS_DrawingToken * This also expands points for closing b-splines */ static ASS_DrawingToken *drawing_tokenize(const char *str) { char *p = (char *) str; int type = -1, is_set = 0; double val; ASS_Vector point = {0, 0}; ASS_DrawingToken *root = NULL, *tail = NULL, *spline_start = NULL; while (p && *p) { int got_coord = 0; if (*p == 'c' && spline_start) { // Close b-splines: add the first three points of the b-spline // back to the end if (token_check_values(spline_start->next, 2, TOKEN_B_SPLINE)) { for (int i = 0; i < 3; i++) { tail->next = calloc(1, sizeof(ASS_DrawingToken)); tail->next->prev = tail; tail = tail->next; tail->type = TOKEN_B_SPLINE; tail->point = spline_start->point; spline_start = spline_start->next; } spline_start = NULL; } } else if (!is_set && mystrtod(&p, &val)) { point.x = double_to_d6(val); is_set = 1; got_coord = 1; p--; } else if (is_set == 1 && mystrtod(&p, &val)) { point.y = double_to_d6(val); is_set = 2; got_coord = 1; p--; } else if (*p == 'm') type = TOKEN_MOVE; else if (*p == 'n') type = TOKEN_MOVE_NC; else if (*p == 'l') type = TOKEN_LINE; else if (*p == 'b') type = TOKEN_CUBIC_BEZIER; else if (*p == 'q') type = TOKEN_CONIC_BEZIER; else if (*p == 's') type = TOKEN_B_SPLINE; // We're simply ignoring TOKEN_EXTEND_B_SPLINE here. // This is not harmful at all, since it can be ommitted with // similar result (the spline is extended anyway). // Ignore the odd extra value, it makes no sense. if (!got_coord) is_set = 0; if (type != -1 && is_set == 2) { if (root) { tail->next = calloc(1, sizeof(ASS_DrawingToken)); tail->next->prev = tail; tail = tail->next; } else root = tail = calloc(1, sizeof(ASS_DrawingToken)); tail->type = type; tail->point = point; is_set = 0; if (type == TOKEN_B_SPLINE && !spline_start) spline_start = tail->prev; } p++; } return root; } /* * \brief Free a list of tokens */ static void drawing_free_tokens(ASS_DrawingToken *token) { while (token) { ASS_DrawingToken *at = token; token = token->next; free(at); } } /* * \brief Add curve to drawing */ static bool drawing_add_curve(ASS_Outline *outline, ASS_Rect *cbox, ASS_DrawingToken *token, bool spline, int started) { ASS_Vector p[4]; for (int i = 0; i < 4; ++i) { p[i] = token->point; rectangle_update(cbox, p[i].x, p[i].y, p[i].x, p[i].y); token = token->next; } if (spline) { int x01 = (p[1].x - p[0].x) / 3; int y01 = (p[1].y - p[0].y) / 3; int x12 = (p[2].x - p[1].x) / 3; int y12 = (p[2].y - p[1].y) / 3; int x23 = (p[3].x - p[2].x) / 3; int y23 = (p[3].y - p[2].y) / 3; p[0].x = p[1].x + ((x12 - x01) >> 1); p[0].y = p[1].y + ((y12 - y01) >> 1); p[3].x = p[2].x + ((x23 - x12) >> 1); p[3].y = p[2].y + ((y23 - y12) >> 1); p[1].x += x12; p[1].y += y12; p[2].x -= x12; p[2].y -= y12; } return (started || ass_outline_add_point(outline, p[0], 0)) && ass_outline_add_point(outline, p[1], 0) && ass_outline_add_point(outline, p[2], 0) && ass_outline_add_point(outline, p[3], OUTLINE_CUBIC_SPLINE); } /* * \brief Convert token list to outline. Calls the line and curve evaluators. */ bool ass_drawing_parse(ASS_Outline *outline, ASS_Rect *cbox, const char *text, ASS_Library *lib) { if (!ass_outline_alloc(outline, DRAWING_INITIAL_POINTS, DRAWING_INITIAL_SEGMENTS)) return false; rectangle_reset(cbox); ASS_DrawingToken *tokens = drawing_tokenize(text); bool started = false; ASS_Vector pen = {0, 0}; ASS_DrawingToken *token = tokens; while (token) { // Draw something according to current command switch (token->type) { case TOKEN_MOVE_NC: pen = token->point; rectangle_update(cbox, pen.x, pen.y, pen.x, pen.y); token = token->next; break; case TOKEN_MOVE: pen = token->point; rectangle_update(cbox, pen.x, pen.y, pen.x, pen.y); if (started) { if (!ass_outline_add_segment(outline, OUTLINE_LINE_SEGMENT)) goto error; ass_outline_close_contour(outline); started = false; } token = token->next; break; case TOKEN_LINE: { ASS_Vector to = token->point; rectangle_update(cbox, to.x, to.y, to.x, to.y); if (!started && !ass_outline_add_point(outline, pen, 0)) goto error; if (!ass_outline_add_point(outline, to, OUTLINE_LINE_SEGMENT)) goto error; started = true; token = token->next; break; } case TOKEN_CUBIC_BEZIER: if (token_check_values(token, 3, TOKEN_CUBIC_BEZIER) && token->prev) { if (!drawing_add_curve(outline, cbox, token->prev, false, started)) goto error; token = token->next; token = token->next; token = token->next; started = true; } else token = token->next; break; case TOKEN_B_SPLINE: if (token_check_values(token, 3, TOKEN_B_SPLINE) && token->prev) { if (!drawing_add_curve(outline, cbox, token->prev, true, started)) goto error; token = token->next; started = true; } else token = token->next; break; default: token = token->next; break; } } // Close the last contour if (started) { if (!ass_outline_add_segment(outline, OUTLINE_LINE_SEGMENT)) goto error; ass_outline_close_contour(outline); } if (lib) ass_msg(lib, MSGL_V, "Parsed drawing with %zu points and %zu segments", outline->n_points, outline->n_segments); drawing_free_tokens(tokens); return true; error: drawing_free_tokens(tokens); ass_outline_free(outline); return false; } libass-0.17.1/libass/ass_drawing.h0000644060175106017510000000267314201032210013734 00000000000000/* * Copyright (C) 2009 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_DRAWING_H #define LIBASS_DRAWING_H #include "ass.h" #include "ass_outline.h" #include "ass_bitmap.h" typedef enum { TOKEN_MOVE, TOKEN_MOVE_NC, TOKEN_LINE, TOKEN_CUBIC_BEZIER, TOKEN_CONIC_BEZIER, TOKEN_B_SPLINE, TOKEN_EXTEND_SPLINE, TOKEN_CLOSE } ASS_TokenType; typedef struct ass_drawing_token { ASS_TokenType type; ASS_Vector point; struct ass_drawing_token *next; struct ass_drawing_token *prev; } ASS_DrawingToken; bool ass_drawing_parse(ASS_Outline *outline, ASS_Rect *cbox, const char *text, ASS_Library *lib); #endif /* LIBASS_DRAWING_H */ libass-0.17.1/libass/ass_filesystem.c0000644060175106017510000002757014371314501014501 00000000000000/* * Copyright (C) 2021 libass contributors * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include "ass_filesystem.h" #include "ass_utils.h" static inline bool check_add_size(size_t *size, size_t amount) { size_t res = *size + amount; if (res < amount) return false; *size = res; return true; } #define NAME_BUF_SIZE 256 // NAME_BUF_SIZE + 2 <= SIZE_MAX static bool alloc_path(ASS_Dir *dir, size_t size) { if (size <= dir->max_path) return true; if (!check_add_size(&size, NAME_BUF_SIZE)) return false; char *path = realloc(dir->path, size); if (!path) return false; dir->path = path; dir->max_path = size; return true; } #if !defined(_WIN32) || defined(__CYGWIN__) #include FILE *ass_open_file(const char *filename, FileNameSource hint) { return fopen(filename, "rb"); } bool ass_open_dir(ASS_Dir *dir, const char *path) { dir->handle = NULL; dir->path = NULL; dir->name = NULL; size_t len = strlen(path); if (len && path[len - 1] == '/') len--; size_t size = NAME_BUF_SIZE + 2; if (!check_add_size(&size, len)) return false; dir->path = malloc(size); if (!dir->path) return false; dir->max_path = size; memcpy(dir->path, path, len); dir->path[len] = '/'; dir->prefix = len + 1; dir->handle = opendir(path); if (dir->handle) return true; free(dir->path); dir->path = NULL; return false; } const char *ass_read_dir(ASS_Dir *dir) { struct dirent *entry = readdir(dir->handle); return dir->name = entry ? entry->d_name : NULL; } const char *ass_current_file_path(ASS_Dir *dir) { size_t size = dir->prefix + 1, len = strlen(dir->name); if (!check_add_size(&size, len) || !alloc_path(dir, size)) return NULL; memcpy(dir->path + dir->prefix, dir->name, len + 1); return dir->path; } void ass_close_dir(ASS_Dir *dir) { if (dir->handle) closedir(dir->handle); free(dir->path); dir->handle = NULL; dir->path = NULL; dir->name = NULL; } #else // Windows #include #include "ass_directwrite.h" // for ASS_WINAPI_DESKTOP static const uint8_t wtf8_len_table[256] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 1x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 2x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 3x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 4x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 5x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 6x 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 7x 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Ax 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Bx 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // Cx 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // Dx 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // Ex 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Fx }; static const uint8_t wtf8_len4_range[5][2] = { { 0x90, 0x30 }, { 0x80, 0x40 }, { 0x80, 0x40 }, { 0x80, 0x40 }, { 0x80, 0x10 } }; static inline bool check_add_size_wtf8to16(size_t *size, size_t len) { return len > SIZE_MAX / sizeof(WCHAR) ? false : check_add_size(size, len * sizeof(WCHAR)); } // does not append zero termination implicitly // expects preallocated buffer (use check_add_size_wtf8to16() for size) static WCHAR *convert_wtf8to16(WCHAR *dst, ASS_StringView src) { const char *str = src.str; for (const char *end = str + src.len; str < end; str++) { uint8_t ch = *str; switch (wtf8_len_table[ch]) { case 1: // 1 -> 1w *dst++ = ch; continue; case 2: // 2 -> 1w if (str + 1 < end) { uint8_t next = *++str; if ((next & 0xC0) != 0x80) return NULL; *dst++ = (ch & 0x1F) << 6 | (next & 0x3F); continue; } return NULL; case 3: // 3 -> 1w if (str + 2 < end) { ch &= 0xF; uint8_t next1 = *++str, next2 = *++str; if (next1 < (ch ? 0x80 : 0xA0) || next1 >= 0xC0 || (next2 & 0xC0) != 0x80) return NULL; *dst++ = ch << 12 | (next1 & 0x3F) << 6 | (next2 & 0x3F); continue; } return NULL; case 4: // 4 -> 2w if (str + 3 < end) { ch &= 0x7; uint8_t next1 = *++str, next2 = *++str, next3 = *++str; if ((uint8_t) (next1 - wtf8_len4_range[ch][0]) >= wtf8_len4_range[ch][1] || (next2 & 0xC0) != 0x80 || (next3 & 0xC0) != 0x80) return NULL; *dst++ = 0xD800 | ((ch << 8 | (next1 & 0x3F) << 2) - 0x40) | (next2 & 0x3F) >> 4; *dst++ = 0xDC00 | (next2 & 0xF) << 6 | (next3 & 0x3F); continue; } return NULL; default: return NULL; } } return dst; } static inline bool check_add_size_wtf16to8(size_t *size, size_t wlen) { enum { max_bytes_per_wchar = 3 }; return wlen > SIZE_MAX / max_bytes_per_wchar ? false : check_add_size(size, max_bytes_per_wchar * wlen); } // does not append zero termination implicitly // expects preallocated buffer (use check_add_size_wtf16to8() for size) static char *convert_wtf16to8(char *dst, const WCHAR *src, size_t wlen) { for (const WCHAR *end = src + wlen; src < end; src++) { uint16_t wch = *src; if (wch < 0x80) { // 1w -> 1 *dst++ = wch; continue; } if (wch < 0x800) { // 1w -> 2 *dst++ = 0xC0 | wch >> 6; *dst++ = 0x80 | (wch & 0x3F); continue; } if (wch >= 0xD800 && wch < 0xDC00 && src + 1 < end) { uint16_t next = src[1]; if (next >= 0xDC00 && next < 0xE000) { // correctly paired surrogates src++; // 2w -> 4 uint32_t full = (uint32_t) ((wch & 0x3FF) + 0x40) << 10 | (next & 0x3FF); *dst++ = 0xF0 | full >> 18; *dst++ = 0x80 | ((full >> 12) & 0x3F); *dst++ = 0x80 | ((full >> 6) & 0x3F); *dst++ = 0x80 | (full & 0x3F); continue; } } // unpaired surrogates fall through here // 1w -> 3 *dst++ = 0xE0 | wch >> 12; *dst++ = 0x80 | ((wch >> 6) & 0x3F); *dst++ = 0x80 | (wch & 0x3F); } return dst; } static FILE *open_file_wtf8(const char *filename) { size_t size = sizeof(WCHAR); ASS_StringView name = { filename, strlen(filename) }; if (!check_add_size_wtf8to16(&size, name.len)) return NULL; WCHAR *wname = malloc(size); if (!wname) return NULL; WCHAR *end = convert_wtf8to16(wname, name); FILE *fp = NULL; if (end) { *end = L'\0'; fp = _wfopen(wname, L"rb"); } free(wname); return fp; } FILE *ass_open_file(const char *filename, FileNameSource hint) { FILE *fp = open_file_wtf8(filename); if (fp || hint == FN_DIR_LIST) return fp; return fopen(filename, "rb"); } static const WCHAR dir_tail[] = L"\\*"; static bool append_tail(WCHAR *wpath, size_t wlen) { size_t offs = 0; if (wlen == 2 && wpath[1] == L':') offs = 1; else if (wlen && (wpath[wlen - 1] == L'/' || wpath[wlen - 1] == L'\\')) offs = 1; memcpy(wpath + wlen, dir_tail + offs, sizeof(dir_tail) - offs); return !offs; } static bool open_dir_wtf8(ASS_Dir *dir, ASS_StringView path) { assert(dir->handle == INVALID_HANDLE_VALUE && !dir->path); size_t size = sizeof(dir_tail); if (!check_add_size_wtf8to16(&size, path.len)) return false; WCHAR *wpath = malloc(size); if (!wpath) return false; bool add_separator; WIN32_FIND_DATAW data; WCHAR *end = convert_wtf8to16(wpath, path); if (end) { add_separator = append_tail(wpath, end - wpath); dir->handle = FindFirstFileExW(wpath, FindExInfoBasic, &data, FindExSearchNameMatch, NULL, 0); } free(wpath); if (dir->handle == INVALID_HANDLE_VALUE) return false; size = NAME_BUF_SIZE + 2; size_t wlen = wcslen(data.cFileName); if (!check_add_size(&size, path.len) || !check_add_size_wtf16to8(&size, wlen) || !(dir->path = malloc(size))) { FindClose(dir->handle); return false; } dir->max_path = size; memcpy(dir->path, path.str, path.len); if (add_separator) dir->path[path.len++] = '\\'; *convert_wtf16to8(dir->path + path.len, data.cFileName, wlen) = '\0'; dir->prefix = path.len; return true; } bool ass_open_dir(ASS_Dir *dir, const char *path) { dir->handle = INVALID_HANDLE_VALUE; dir->path = NULL; dir->name = NULL; size_t len = strlen(path); if (open_dir_wtf8(dir, (ASS_StringView) { path, len })) return true; if (len > INT_MAX) return false; UINT cp = CP_ACP; #if ASS_WINAPI_DESKTOP if (!AreFileApisANSI()) cp = CP_OEMCP; #endif size_t wlen = MultiByteToWideChar(cp, 0, path, len, NULL, 0); if (wlen > (SIZE_MAX - sizeof(dir_tail)) / sizeof(WCHAR)) return false; WCHAR *wpath = malloc(wlen * sizeof(WCHAR) + sizeof(dir_tail)); if (!wpath) return false; MultiByteToWideChar(cp, 0, path, len, wpath, wlen); bool add_separator = append_tail(wpath, wlen); WIN32_FIND_DATAW data; dir->handle = FindFirstFileExW(wpath, FindExInfoBasic, &data, FindExSearchNameMatch, NULL, 0); if (dir->handle == INVALID_HANDLE_VALUE) { free(wpath); return false; } size_t size = NAME_BUF_SIZE + 2, wlen1 = wcslen(data.cFileName); if (!check_add_size_wtf16to8(&size, wlen) || !check_add_size_wtf16to8(&size, wlen1) || !(dir->path = malloc(size))) { FindClose(dir->handle); return false; } dir->max_path = size; char *ptr = convert_wtf16to8(dir->path, wpath, wlen); if (add_separator) *ptr++ = '\\'; convert_wtf16to8(ptr, data.cFileName, wlen1 + 1); dir->prefix = ptr - dir->path; return true; } const char *ass_read_dir(ASS_Dir *dir) { if (!dir->name) // first invocation return dir->name = dir->path + dir->prefix; WIN32_FIND_DATAW data; while (FindNextFileW(dir->handle, &data)) { size_t size = dir->prefix + 1, wlen = wcslen(data.cFileName); if (!check_add_size_wtf16to8(&size, wlen) || !alloc_path(dir, size)) continue; convert_wtf16to8(dir->path + dir->prefix, data.cFileName, wlen + 1); return dir->name = dir->path + dir->prefix; } return NULL; } const char *ass_current_file_path(ASS_Dir *dir) { return dir->path; } void ass_close_dir(ASS_Dir *dir) { if (dir->handle != INVALID_HANDLE_VALUE) FindClose(dir->handle); free(dir->path); dir->handle = INVALID_HANDLE_VALUE; dir->path = NULL; dir->name = NULL; } #endif // Windows libass-0.17.1/libass/ass_filesystem.h0000644060175106017510000000252714371314501014501 00000000000000/* * Copyright (C) 2021 libass contributors * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #ifndef LIBASS_FILESYSTEM_H #define LIBASS_FILESYSTEM_H typedef enum { FN_EXTERNAL, FN_DIR_LIST, } FileNameSource; FILE *ass_open_file(const char *filename, FileNameSource hint); typedef struct { void *handle; char *path; size_t prefix, max_path; const char *name; } ASS_Dir; bool ass_open_dir(ASS_Dir *dir, const char *path); const char *ass_read_dir(ASS_Dir *dir); const char *ass_current_file_path(ASS_Dir *dir); void ass_close_dir(ASS_Dir *dir); #endif /* LIBASS_FILESYSTEM_H */ libass-0.17.1/libass/ass_font.c0000644060175106017510000005536114376664500013276 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include FT_FREETYPE_H #include FT_SYNTHESIS_H #include FT_GLYPH_H #include FT_TRUETYPE_TABLES_H #include FT_OUTLINE_H #include FT_TRUETYPE_IDS_H #include #include "ass.h" #include "ass_library.h" #include "ass_font.h" #include "ass_fontselect.h" #include "ass_utils.h" #include "ass_shaper.h" /** * Get the mbcs codepoint from the output bytes of iconv/WideCharToMultiByte, * by treating the bytes as a prefix-zero-byte-omitted big-endian integer. */ static inline uint32_t pack_mbcs_bytes(const char *bytes, size_t length) { uint32_t ret = 0; for (size_t i = 0; i < length; ++i) { ret <<= 8; ret |= (uint8_t) bytes[i]; } return ret; } /** * Convert a UCS-4 code unit to a packed uint32_t in given multibyte encoding. * * We don't exclude Cygwin for Windows since we use WideCharToMultiByte only, * this shall not violate any Cygwin restrictions on Windows APIs. */ #if defined(_WIN32) #define WIN32_LEAN_AND_MEAN #include static uint32_t convert_unicode_to_mb(FT_Encoding encoding, uint32_t codepoint) { // map freetype encoding to windows codepage UINT codepage; switch (encoding) { case FT_ENCODING_MS_SJIS: codepage = 932; break; case FT_ENCODING_MS_GB2312: codepage = 936; break; case FT_ENCODING_MS_BIG5: codepage = 950; break; case FT_ENCODING_MS_WANSUNG: codepage = 949; break; case FT_ENCODING_MS_JOHAB: codepage = 1361; break; default: return 0; } WCHAR input_buffer[2]; size_t inbuf_size; // encode surrogate pair, assuming codepoint > 0 && codepoint <= 10FFFF if (codepoint >= 0x10000) { // surrogate pair required inbuf_size = 2; input_buffer[0] = 0xD7C0 + (codepoint >> 10); input_buffer[1] = 0xDC00 + (codepoint & 0x3FF); } else { inbuf_size = 1; input_buffer[0] = codepoint; } // do convert char output_buffer[2]; BOOL conversion_fail; int output_length = WideCharToMultiByte(codepage, WC_NO_BEST_FIT_CHARS, input_buffer, inbuf_size, output_buffer, sizeof(output_buffer), NULL, &conversion_fail); if (output_length == 0 || conversion_fail) return 0; return pack_mbcs_bytes(output_buffer, output_length); } #elif defined(CONFIG_ICONV) #include static uint32_t convert_unicode_to_mb(FT_Encoding encoding, uint32_t codepoint) { typedef struct { const char *names[5]; } EncodingList; EncodingList encoding_list; // map freetype encoding to iconv encoding switch (encoding) { case FT_ENCODING_MS_SJIS: encoding_list = (EncodingList) {{"CP932", "SHIFT_JIS", NULL}}; break; case FT_ENCODING_MS_GB2312: encoding_list = (EncodingList) {{"CP936", "GBK", "GB18030", "GB2312", NULL}}; break; case FT_ENCODING_MS_BIG5: encoding_list = (EncodingList) {{"CP950", "BIG5", NULL}}; break; case FT_ENCODING_MS_WANSUNG: encoding_list = (EncodingList) {{"CP949", "EUC-KR", NULL}}; break; case FT_ENCODING_MS_JOHAB: encoding_list = (EncodingList) {{"CP1361", "JOHAB", NULL}}; break; default: return 0; } // open iconv context const char **encoding_str = encoding_list.names; iconv_t cd = (iconv_t) -1; while (*encoding_str) { cd = iconv_open(*encoding_str, "UTF-32LE"); if (cd != (iconv_t) -1) break; ++encoding_str; } if (cd == (iconv_t) -1) return 0; char input_buffer[4]; char output_buffer[2]; // MS-flavour encodings only need 2 bytes uint32_t result = codepoint; // convert input codepoint to little endian uint32_t bytearray, // result becomes 0 after the loop finishes for (int i = 0; i < 4; ++i) { input_buffer[i] = result & 0xFF; result >>= 8; } // do actual convert, only reversible converts are valid, since we are converting unicode to something else size_t inbuf_size = sizeof(input_buffer); size_t outbuf_size = sizeof(output_buffer); char *inbuf = input_buffer; char *outbuf = output_buffer; if (iconv(cd, &inbuf, &inbuf_size, &outbuf, &outbuf_size)) goto clean; // now we have multibyte string in output_buffer // assemble those bytes into uint32_t size_t output_length = sizeof(output_buffer) - outbuf_size; result = pack_mbcs_bytes(output_buffer, output_length); clean: iconv_close(cd); return result; } #else static uint32_t convert_unicode_to_mb(FT_Encoding encoding, uint32_t codepoint) { // just a stub // we can't handle this cmap, fallback return 0; } #endif /** * Select a good charmap, prefer Microsoft Unicode charmaps. * Otherwise, let FreeType decide. */ void ass_charmap_magic(ASS_Library *library, FT_Face face) { int i; int ms_cmap = -1; // Search for a Microsoft Unicode cmap for (i = 0; i < face->num_charmaps; ++i) { FT_CharMap cmap = face->charmaps[i]; unsigned pid = cmap->platform_id; unsigned eid = cmap->encoding_id; if (pid == 3 /*microsoft */ && (eid == 1 /*unicode bmp */ || eid == 10 /*full unicode */ )) { FT_Set_Charmap(face, cmap); return; } else if (pid == 3 && ms_cmap < 0) ms_cmap = i; } // Try the first Microsoft cmap if no Microsoft Unicode cmap was found if (ms_cmap >= 0) { FT_CharMap cmap = face->charmaps[ms_cmap]; FT_Set_Charmap(face, cmap); return; } if (!face->charmap) { if (face->num_charmaps == 0) { ass_msg(library, MSGL_WARN, "Font face with no charmaps"); return; } ass_msg(library, MSGL_WARN, "No charmap autodetected, trying the first one"); FT_Set_Charmap(face, face->charmaps[0]); return; } } /** * Adjust char index if the charmap is weird * (currently all non-Unicode Microsoft cmap) */ uint32_t ass_font_index_magic(FT_Face face, uint32_t symbol) { if (!face->charmap) return symbol; if (face->charmap->platform_id == TT_PLATFORM_MICROSOFT) { switch (face->charmap->encoding) { case FT_ENCODING_MS_SYMBOL: return 0xF000 | symbol; case FT_ENCODING_MS_SJIS: case FT_ENCODING_MS_GB2312: case FT_ENCODING_MS_BIG5: case FT_ENCODING_MS_WANSUNG: case FT_ENCODING_MS_JOHAB: return convert_unicode_to_mb(face->charmap->encoding, symbol); default: return symbol; } } return symbol; } static void set_font_metrics(FT_Face face) { // Mimicking GDI's behavior for asc/desc/height. // These fields are (apparently) sometimes used for signed values, // despite being unsigned in the spec. TT_OS2 *os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2); if (os2 && ((short)os2->usWinAscent + (short)os2->usWinDescent != 0)) { face->ascender = (short)os2->usWinAscent; face->descender = -(short)os2->usWinDescent; face->height = face->ascender - face->descender; } // If we didn't have usable Win values in the OS/2 table, // then the values from FreeType will still be in these fields. // It'll use either the OS/2 typo metrics or the hhea ones. // If the font has typo metrics but FreeType didn't use them // (either old FT or USE_TYPO_METRICS not set), we'll try those. // In the case of a very broken font that has none of those options, // we fall back on using face.bbox. // Anything without valid OS/2 Win values isn't supported by VSFilter, // so at this point compatibility's out the window and we're just // trying to render _something_ readable. if (face->ascender - face->descender == 0 || face->height == 0) { if (os2 && (os2->sTypoAscender - os2->sTypoDescender) != 0) { face->ascender = os2->sTypoAscender; face->descender = os2->sTypoDescender; face->height = face->ascender - face->descender; } else { face->ascender = face->bbox.yMax; face->descender = face->bbox.yMin; face->height = face->ascender - face->descender; } } } FT_Face ass_face_open(ASS_Library *lib, FT_Library ftlib, const char *path, const char *postscript_name, int index) { FT_Face face; int error = FT_New_Face(ftlib, path, index, &face); if (error) { ass_msg(lib, MSGL_WARN, "Error opening font: '%s', %d", path, index); return NULL; } if (index >= 0) { return face; } else { // The font provider gave us a postscript name and is not sure // about the face index.. so use the postscript name to find the // correct face_index in the collection! for (int i = 0; i < face->num_faces; i++) { FT_Done_Face(face); error = FT_New_Face(ftlib, path, i, &face); if (error) { ass_msg(lib, MSGL_WARN, "Error opening font: '%s', %d", path, i); return NULL; } // If there is only one face, don't bother checking the name. // The font might not even *have* a valid PostScript name. if (!i && face->num_faces == 1) return face; // Otherwise, we really need a name to search for. if (!postscript_name) { FT_Done_Face(face); return NULL; } const char *face_psname = FT_Get_Postscript_Name(face); if (face_psname != NULL && strcmp(face_psname, postscript_name) == 0) return face; } FT_Done_Face(face); ass_msg(lib, MSGL_WARN, "Failed to find font '%s' in file: '%s'", postscript_name, path); return NULL; } } static unsigned long read_stream_font(FT_Stream stream, unsigned long offset, unsigned char *buffer, unsigned long count) { ASS_FontStream *font = (ASS_FontStream *)stream->descriptor.pointer; font->func(font->priv, buffer, offset, count); return count; } static void close_stream_font(FT_Stream stream) { free(stream->descriptor.pointer); free(stream); } FT_Face ass_face_stream(ASS_Library *lib, FT_Library ftlib, const char *name, const ASS_FontStream *stream, int index) { ASS_FontStream *fs = calloc(1, sizeof(ASS_FontStream)); if (!fs) return NULL; *fs = *stream; FT_Stream ftstream = calloc(1, sizeof(FT_StreamRec)); if (!ftstream) { free(fs); return NULL; } ftstream->size = stream->func(stream->priv, NULL, 0, 0); ftstream->read = read_stream_font; ftstream->close = close_stream_font; ftstream->descriptor.pointer = (void *)fs; FT_Open_Args args = { .flags = FT_OPEN_STREAM, .stream = ftstream, }; FT_Face face; int error = FT_Open_Face(ftlib, &args, index, &face); if (error) { if (name) { ass_msg(lib, MSGL_WARN, "Error opening memory font: '%s'", name); } else { ass_msg(lib, MSGL_WARN, "Error opening memory font"); } return NULL; } return face; } /** * \brief Select a face with the given charcode and add it to ASS_Font * \return index of the new face in font->faces, -1 if failed */ static int add_face(ASS_FontSelector *fontsel, ASS_Font *font, uint32_t ch) { char *path; char *postscript_name = NULL; int i, index, uid; ASS_FontStream stream = { NULL, NULL }; FT_Face face; if (font->n_faces == ASS_FONT_MAX_FACES) return -1; path = ass_font_select(fontsel, font, &index, &postscript_name, &uid, &stream, ch); if (!path) return -1; for (i = 0; i < font->n_faces; i++) { if (font->faces_uid[i] == uid) { ass_msg(font->library, MSGL_INFO, "Got a font face that already is available! Skipping."); return i; } } if (stream.func) { face = ass_face_stream(font->library, font->ftlibrary, path, &stream, index); } else { face = ass_face_open(font->library, font->ftlibrary, path, postscript_name, index); } if (!face) return -1; ass_charmap_magic(font->library, face); set_font_metrics(face); font->faces[font->n_faces] = face; font->faces_uid[font->n_faces++] = uid; ass_face_set_size(face, font->size); return font->n_faces - 1; } /** * \brief Create a new ASS_Font according to "desc" argument */ ASS_Font *ass_font_new(ASS_Renderer *render_priv, ASS_FontDesc *desc) { ASS_Font *font = ass_cache_get(render_priv->cache.font_cache, desc, render_priv); if (!font) return NULL; if (font->library) return font; ass_cache_dec_ref(font); return NULL; } size_t ass_font_construct(void *key, void *value, void *priv) { ASS_Renderer *render_priv = priv; ASS_FontDesc *desc = key; ASS_Font *font = value; font->library = render_priv->library; font->ftlibrary = render_priv->ftlibrary; font->shaper_priv = NULL; font->n_faces = 0; font->desc.family = desc->family; font->desc.bold = desc->bold; font->desc.italic = desc->italic; font->desc.vertical = desc->vertical; font->size = 0.; int error = add_face(render_priv->fontselect, font, 0); if (error == -1) font->library = NULL; return 1; } void ass_face_set_size(FT_Face face, double size) { FT_Size_RequestRec rq; memset(&rq, 0, sizeof(rq)); rq.type = FT_SIZE_REQUEST_TYPE_REAL_DIM; rq.width = 0; rq.height = double_to_d6(size); rq.horiResolution = rq.vertResolution = 0; FT_Request_Size(face, &rq); } /** * \brief Get face weight **/ int ass_face_get_weight(FT_Face face) { #if FREETYPE_MAJOR > 2 || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 6) TT_OS2 *os2 = FT_Get_Sfnt_Table(face, FT_SFNT_OS2); #else // This old name is still included (as a macro), but deprecated as of 2.6, so avoid using it if we can TT_OS2 *os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2); #endif if (os2 && os2->version != 0xffff && os2->usWeightClass) return os2->usWeightClass; else return 300 * !!(face->style_flags & FT_STYLE_FLAG_BOLD) + 400; } /** * \brief Get maximal font ascender and descender. **/ void ass_font_get_asc_desc(ASS_Font *font, int face_index, int *asc, int *desc) { FT_Face face = font->faces[face_index]; int y_scale = face->size->metrics.y_scale; *asc = FT_MulFix(face->ascender, y_scale); *desc = FT_MulFix(-face->descender, y_scale); } /** * Slightly embold a glyph without touching its metrics */ static void ass_glyph_embolden(FT_GlyphSlot slot) { int str; if (slot->format != FT_GLYPH_FORMAT_OUTLINE) return; str = FT_MulFix(slot->face->units_per_EM, slot->face->size->metrics.y_scale) / 64; FT_Outline_Embolden(&slot->outline, str); } /** * \brief Get glyph and face index * Finds a face that has the requested codepoint and returns both face * and glyph index. */ int ass_font_get_index(ASS_FontSelector *fontsel, ASS_Font *font, uint32_t symbol, int *face_index, int *glyph_index) { int index = 0; int i; FT_Face face = 0; *glyph_index = 0; if (symbol < 0x20) { *face_index = 0; return 0; } // Handle NBSP like a regular space when rendering the glyph if (symbol == 0xa0) symbol = ' '; if (font->n_faces == 0) { *face_index = 0; return 0; } for (i = 0; i < font->n_faces && index == 0; ++i) { face = font->faces[i]; index = ass_font_index_magic(face, symbol); if (index) index = FT_Get_Char_Index(face, index); if (index) *face_index = i; } if (index == 0) { int face_idx; ass_msg(font->library, MSGL_INFO, "Glyph 0x%X not found, selecting one more " "font for (%.*s, %d, %d)", symbol, (int) font->desc.family.len, font->desc.family.str, font->desc.bold, font->desc.italic); face_idx = *face_index = add_face(fontsel, font, symbol); if (face_idx >= 0) { face = font->faces[face_idx]; index = ass_font_index_magic(face, symbol); if (index) index = FT_Get_Char_Index(face, index); if (index == 0 && face->num_charmaps > 0) { int i; ass_msg(font->library, MSGL_WARN, "Glyph 0x%X not found, broken font? Trying all charmaps", symbol); for (i = 0; i < face->num_charmaps; i++) { FT_Set_Charmap(face, face->charmaps[i]); index = ass_font_index_magic(face, symbol); if (index) index = FT_Get_Char_Index(face, index); if (index) break; } } if (index == 0) { ass_msg(font->library, MSGL_ERR, "Glyph 0x%X not found in font for (%.*s, %d, %d)", symbol, (int) font->desc.family.len, font->desc.family.str, font->desc.bold, font->desc.italic); } } } // FIXME: make sure we have a valid face_index. this is a HACK. *face_index = FFMAX(*face_index, 0); *glyph_index = index; return 1; } /** * \brief Get a glyph * \param ch character code **/ bool ass_font_get_glyph(ASS_Font *font, int face_index, int index, ASS_Hinting hinting) { FT_Int32 flags = FT_LOAD_NO_BITMAP | FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH | FT_LOAD_IGNORE_TRANSFORM; switch (hinting) { case ASS_HINTING_NONE: flags |= FT_LOAD_NO_HINTING; break; case ASS_HINTING_LIGHT: flags |= FT_LOAD_FORCE_AUTOHINT | FT_LOAD_TARGET_LIGHT; break; case ASS_HINTING_NORMAL: flags |= FT_LOAD_FORCE_AUTOHINT; break; case ASS_HINTING_NATIVE: break; } FT_Face face = font->faces[face_index]; FT_Error error = FT_Load_Glyph(face, index, flags); if (error) { ass_msg(font->library, MSGL_WARN, "Error loading glyph, index %d", index); return false; } if (!(face->style_flags & FT_STYLE_FLAG_ITALIC) && (font->desc.italic > 55)) FT_GlyphSlot_Oblique(face->glyph); if (font->desc.bold > ass_face_get_weight(face) + 150) ass_glyph_embolden(face->glyph); return true; } /** * \brief Deallocate ASS_Font internals **/ void ass_font_clear(ASS_Font *font) { int i; if (font->shaper_priv) ass_shaper_font_data_free(font->shaper_priv); for (i = 0; i < font->n_faces; ++i) { if (font->faces[i]) FT_Done_Face(font->faces[i]); } free((char *) font->desc.family.str); } /** * \brief Convert glyph into ASS_Outline according to decoration flags **/ bool ass_get_glyph_outline(ASS_Outline *outline, int32_t *advance, FT_Face face, unsigned flags) { int32_t y_scale = face->size->metrics.y_scale; int32_t adv = face->glyph->advance.x; if (flags & DECO_ROTATE) adv = d16_to_d6(face->glyph->linearVertAdvance); *advance = adv; int n_lines = 0; int32_t line_y[2][2]; if (adv > 0 && (flags & DECO_UNDERLINE)) { TT_Postscript *ps = FT_Get_Sfnt_Table(face, ft_sfnt_post); if (ps && ps->underlinePosition <= 0 && ps->underlineThickness > 0) { int64_t pos = ((int64_t) ps->underlinePosition * y_scale + 0x8000) >> 16; int64_t size = ((int64_t) ps->underlineThickness * y_scale + 0x8000) >> 16; pos = -pos - (size >> 1); if (pos >= -OUTLINE_MAX && pos + size <= OUTLINE_MAX) { line_y[n_lines][0] = pos; line_y[n_lines][1] = pos + size; n_lines++; } } } if (adv > 0 && (flags & DECO_STRIKETHROUGH)) { TT_OS2 *os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2); if (os2 && os2->yStrikeoutPosition >= 0 && os2->yStrikeoutSize > 0) { int64_t pos = ((int64_t) os2->yStrikeoutPosition * y_scale + 0x8000) >> 16; int64_t size = ((int64_t) os2->yStrikeoutSize * y_scale + 0x8000) >> 16; pos = -pos - (size >> 1); if (pos >= -OUTLINE_MAX && pos + size <= OUTLINE_MAX) { line_y[n_lines][0] = pos; line_y[n_lines][1] = pos + size; n_lines++; } } } assert(face->glyph->format == FT_GLYPH_FORMAT_OUTLINE); FT_Outline *source = &face->glyph->outline; if (!source->n_points && !n_lines) { ass_outline_clear(outline); return true; } size_t max_points = 2 * source->n_points + 4 * n_lines; size_t max_segments = source->n_points + 4 * n_lines; if (!ass_outline_alloc(outline, max_points, max_segments)) return false; if (!ass_outline_convert(outline, source)) goto fail; if (flags & DECO_ROTATE) { TT_OS2 *os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2); int64_t desc = 0; if (os2) { desc = ((int64_t) os2->sTypoDescender * y_scale + 0x8000) >> 16; if (llabs(desc) > 2 * OUTLINE_MAX) goto fail; } int64_t dv = face->glyph->metrics.vertAdvance + desc; if (llabs(dv) > 2 * OUTLINE_MAX) goto fail; ASS_Vector offs = { dv, -desc }; if (!ass_outline_rotate_90(outline, offs)) goto fail; } if (!n_lines) return true; FT_Orientation dir = FT_Outline_Get_Orientation(source); int iy = (dir == FT_ORIENTATION_TRUETYPE ? 0 : 1); for (int i = 0; i < n_lines; i++) ass_outline_add_rect(outline, 0, line_y[i][iy], adv, line_y[i][iy ^ 1]); return true; fail: ass_outline_free(outline); return false; } libass-0.17.1/libass/ass_font.h0000644060175106017510000000513114371314501013255 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_FONT_H #define LIBASS_FONT_H #include #include #include FT_FREETYPE_H typedef struct ass_font ASS_Font; #include "ass.h" #include "ass_types.h" #include "ass_fontselect.h" #include "ass_cache.h" #include "ass_outline.h" #define VERTICAL_LOWER_BOUND 0x02f1 #define ASS_FONT_MAX_FACES 10 #define DECO_UNDERLINE 1 #define DECO_STRIKETHROUGH 2 #define DECO_ROTATE 4 struct ass_font { ASS_FontDesc desc; ASS_Library *library; FT_Library ftlibrary; int faces_uid[ASS_FONT_MAX_FACES]; FT_Face faces[ASS_FONT_MAX_FACES]; ASS_ShaperFontData *shaper_priv; int n_faces; double size; }; void ass_charmap_magic(ASS_Library *library, FT_Face face); ASS_Font *ass_font_new(ASS_Renderer *render_priv, ASS_FontDesc *desc); void ass_face_set_size(FT_Face face, double size); int ass_face_get_weight(FT_Face face); void ass_font_get_asc_desc(ASS_Font *font, int face_index, int *asc, int *desc); int ass_font_get_index(ASS_FontSelector *fontsel, ASS_Font *font, uint32_t symbol, int *face_index, int *glyph_index); uint32_t ass_font_index_magic(FT_Face face, uint32_t symbol); bool ass_font_get_glyph(ASS_Font *font, int face_index, int index, ASS_Hinting hinting); void ass_font_clear(ASS_Font *font); bool ass_get_glyph_outline(ASS_Outline *outline, int32_t *advance, FT_Face face, unsigned flags); FT_Face ass_face_open(ASS_Library *lib, FT_Library ftlib, const char *path, const char *postscript_name, int index); FT_Face ass_face_stream(ASS_Library *lib, FT_Library ftlib, const char *name, const ASS_FontStream *stream, int index); #endif /* LIBASS_FONT_H */ libass-0.17.1/libass/ass_fontconfig.c0000644060175106017510000002635014371314501014444 00000000000000/* * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include #include "ass_fontconfig.h" #include "ass_fontselect.h" #include "ass_utils.h" #define MAX_NAME 100 typedef struct fc_private { FcConfig *config; FcFontSet *fallbacks; FcCharSet *fallback_chars; } ProviderPrivate; static bool check_postscript(void *priv) { FcPattern *pat = (FcPattern *)priv; char *format; FcResult result = FcPatternGetString(pat, FC_FONTFORMAT, 0, (FcChar8 **)&format); if (result != FcResultMatch) return false; return !strcmp(format, "Type 1") || !strcmp(format, "Type 42") || !strcmp(format, "CID Type 1") || !strcmp(format, "CFF"); } static bool check_glyph(void *priv, uint32_t code) { FcPattern *pat = (FcPattern *)priv; FcCharSet *charset; if (!pat) return true; if (code == 0) return true; FcResult result = FcPatternGetCharSet(pat, FC_CHARSET, 0, &charset); if (result != FcResultMatch) return false; if (FcCharSetHasChar(charset, code) == FcTrue) return true; return false; } static void destroy(void *priv) { ProviderPrivate *fc = (ProviderPrivate *)priv; if (fc->fallback_chars) FcCharSetDestroy(fc->fallback_chars); if (fc->fallbacks) FcFontSetDestroy(fc->fallbacks); FcConfigDestroy(fc->config); free(fc); } static void scan_fonts(FcConfig *config, ASS_FontProvider *provider) { int i; FcFontSet *fonts; ASS_FontProviderMetaData meta = {0}; // get list of fonts fonts = FcConfigGetFonts(config, FcSetSystem); // fill font_info list for (i = 0; i < fonts->nfont; i++) { FcPattern *pat = fonts->fonts[i]; FcBool outline; int index; double weight; char *path; char *fullnames[MAX_NAME]; char *families[MAX_NAME]; // skip non-outline fonts FcResult result = FcPatternGetBool(pat, FC_OUTLINE, 0, &outline); if (result != FcResultMatch || outline != FcTrue) continue; // simple types result = FcPatternGetInteger(pat, FC_SLANT, 0, &meta.slant); result |= FcPatternGetInteger(pat, FC_WIDTH, 0, &meta.width); result |= FcPatternGetDouble(pat, FC_WEIGHT, 0, &weight); result |= FcPatternGetInteger(pat, FC_INDEX, 0, &index); if (result != FcResultMatch) continue; // fontconfig uses its own weight scale, apparently derived // from typographical weight. we're using truetype weights, so // convert appropriately. #if FC_VERSION >= 21292 meta.weight = FcWeightToOpenTypeDouble(weight) + 0.5; #elif FC_VERSION >= 21191 // Versions prior to 2.12.92 only had integer precision. meta.weight = FcWeightToOpenType(weight + 0.5) + 0.5; #else // On older fontconfig, FcWeightToOpenType is unavailable, and its inverse was // implemented more simply, using an if/else ladder instead of linear interpolation. // We implement an inverse of that ladder here. // We don't expect actual FC caches from these versions to have intermediate // values, so the average checks are only for completeness. #define AVG(x, y) (((double)x + y) / 2) #ifndef FC_WEIGHT_SEMILIGHT #define FC_WEIGHT_SEMILIGHT 55 #endif if (weight < AVG(FC_WEIGHT_THIN, FC_WEIGHT_EXTRALIGHT)) meta.weight = 100; else if (weight < AVG(FC_WEIGHT_EXTRALIGHT, FC_WEIGHT_LIGHT)) meta.weight = 200; else if (weight < AVG(FC_WEIGHT_LIGHT, FC_WEIGHT_SEMILIGHT)) meta.weight = 300; else if (weight < AVG(FC_WEIGHT_SEMILIGHT, FC_WEIGHT_BOOK)) meta.weight = 350; else if (weight < AVG(FC_WEIGHT_BOOK, FC_WEIGHT_REGULAR)) meta.weight = 380; else if (weight < AVG(FC_WEIGHT_REGULAR, FC_WEIGHT_MEDIUM)) meta.weight = 400; else if (weight < AVG(FC_WEIGHT_MEDIUM, FC_WEIGHT_SEMIBOLD)) meta.weight = 500; else if (weight < AVG(FC_WEIGHT_SEMIBOLD, FC_WEIGHT_BOLD)) meta.weight = 600; else if (weight < AVG(FC_WEIGHT_BOLD, FC_WEIGHT_EXTRABOLD)) meta.weight = 700; else if (weight < AVG(FC_WEIGHT_EXTRABOLD, FC_WEIGHT_BLACK)) meta.weight = 800; else if (weight < AVG(FC_WEIGHT_BLACK, FC_WEIGHT_EXTRABLACK)) meta.weight = 900; else meta.weight = 1000; #endif // path result = FcPatternGetString(pat, FC_FILE, 0, (FcChar8 **)&path); if (result != FcResultMatch) continue; // read family names meta.n_family = 0; while (meta.n_family < MAX_NAME && FcPatternGetString(pat, FC_FAMILY, meta.n_family, (FcChar8 **)&families[meta.n_family]) == FcResultMatch) meta.n_family++; meta.families = families; // read fullnames meta.n_fullname = 0; while (meta.n_fullname < MAX_NAME && FcPatternGetString(pat, FC_FULLNAME, meta.n_fullname, (FcChar8 **)&fullnames[meta.n_fullname]) == FcResultMatch) meta.n_fullname++; meta.fullnames = fullnames; // read PostScript name result = FcPatternGetString(pat, FC_POSTSCRIPT_NAME, 0, (FcChar8 **)&meta.postscript_name); if (result != FcResultMatch) meta.postscript_name = NULL; ass_font_provider_add_font(provider, &meta, path, index, (void *)pat); } } static void cache_fallbacks(ProviderPrivate *fc) { FcResult result; if (fc->fallbacks) return; // Create a suitable pattern FcPattern *pat = FcPatternCreate(); FcPatternAddString(pat, FC_FAMILY, (FcChar8 *)"sans-serif"); FcPatternAddBool(pat, FC_OUTLINE, FcTrue); FcConfigSubstitute (fc->config, pat, FcMatchPattern); FcDefaultSubstitute (pat); // FC_LANG is automatically set according to locale, but this results // in strange sorting sometimes, so remove the attribute completely. FcPatternDel(pat, FC_LANG); // Sort installed fonts and eliminate duplicates; this can be very // expensive. fc->fallbacks = FcFontSort(fc->config, pat, FcTrue, &fc->fallback_chars, &result); // If this fails, just add an empty set if (result != FcResultMatch) fc->fallbacks = FcFontSetCreate(); FcPatternDestroy(pat); } static char *get_fallback(void *priv, ASS_Library *lib, const char *family, uint32_t codepoint) { ProviderPrivate *fc = (ProviderPrivate *)priv; FcResult result; cache_fallbacks(fc); if (!fc->fallbacks || fc->fallbacks->nfont == 0) return NULL; if (codepoint == 0) { char *family = NULL; result = FcPatternGetString(fc->fallbacks->fonts[0], FC_FAMILY, 0, (FcChar8 **)&family); if (result == FcResultMatch) { return strdup(family); } else { return NULL; } } // fallback_chars is the union of all available charsets, so // if we can't find the glyph in there, the system does not // have any font to render this glyph. if (FcCharSetHasChar(fc->fallback_chars, codepoint) == FcFalse) return NULL; for (int j = 0; j < fc->fallbacks->nfont; j++) { FcPattern *pattern = fc->fallbacks->fonts[j]; FcCharSet *charset; result = FcPatternGetCharSet(pattern, FC_CHARSET, 0, &charset); if (result == FcResultMatch && FcCharSetHasChar(charset, codepoint)) { char *family = NULL; result = FcPatternGetString(pattern, FC_FAMILY, 0, (FcChar8 **)&family); if (result == FcResultMatch) { return strdup(family); } else { return NULL; } } } // we shouldn't get here return NULL; } static void get_substitutions(void *priv, const char *name, ASS_FontProviderMetaData *meta) { ProviderPrivate *fc = (ProviderPrivate *)priv; FcPattern *pat = FcPatternCreate(); if (!pat) return; FcPatternAddString(pat, FC_FAMILY, (FcChar8 *)name); FcPatternAddString(pat, FC_FAMILY, (FcChar8 *)"__libass_delimiter"); FcPatternAddBool(pat, FC_OUTLINE, FcTrue); if (!FcConfigSubstitute(fc->config, pat, FcMatchPattern)) goto cleanup; // read and strdup fullnames meta->n_fullname = 0; meta->fullnames = calloc(MAX_NAME, sizeof(char *)); if (!meta->fullnames) goto cleanup; char *alias = NULL; while (FcPatternGetString(pat, FC_FAMILY, meta->n_fullname, (FcChar8 **)&alias) == FcResultMatch && meta->n_fullname < MAX_NAME && strcmp(alias, "__libass_delimiter") != 0) { alias = strdup(alias); if (!alias) goto cleanup; meta->fullnames[meta->n_fullname] = alias; meta->n_fullname++; } cleanup: FcPatternDestroy(pat); } static ASS_FontProviderFuncs fontconfig_callbacks = { .check_postscript = check_postscript, .check_glyph = check_glyph, .destroy_provider = destroy, .get_substitutions = get_substitutions, .get_fallback = get_fallback, }; ASS_FontProvider * ass_fontconfig_add_provider(ASS_Library *lib, ASS_FontSelector *selector, const char *config, FT_Library ftlib) { int rc; ProviderPrivate *fc = NULL; ASS_FontProvider *provider = NULL; fc = calloc(1, sizeof(ProviderPrivate)); if (fc == NULL) return NULL; // build and load fontconfig configuration fc->config = FcConfigCreate(); rc = FcConfigParseAndLoad(fc->config, (unsigned char *) config, FcTrue); if (!rc) { ass_msg(lib, MSGL_WARN, "No usable fontconfig configuration " "file found, using fallback."); FcConfigDestroy(fc->config); fc->config = FcInitLoadConfig(); } if (fc->config) rc = FcConfigBuildFonts(fc->config); if (!rc || !fc->config) { ass_msg(lib, MSGL_FATAL, "No valid fontconfig configuration found!"); FcConfigDestroy(fc->config); free(fc); return NULL; } // create font provider provider = ass_font_provider_new(selector, &fontconfig_callbacks, fc); // build database from system fonts scan_fonts(fc->config, provider); return provider; } libass-0.17.1/libass/ass_fontconfig.h0000644060175106017510000000215714335161336014456 00000000000000/* * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "ass_types.h" #include "ass_fontselect.h" #ifndef ASS_FONTCONFIG_H #define ASS_FONTCONFIG_H #ifdef CONFIG_FONTCONFIG ASS_FontProvider * ass_fontconfig_add_provider(ASS_Library *lib, ASS_FontSelector *selector, const char *config, FT_Library ftlib); #endif #endif libass-0.17.1/libass/ass_fontselect.c0000644060175106017510000010717314371314501014461 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include #include #include #include #include #include #include #include FT_FREETYPE_H #include FT_SFNT_NAMES_H #include FT_TRUETYPE_IDS_H #include FT_TYPE1_TABLES_H #include "ass_utils.h" #include "ass.h" #include "ass_library.h" #include "ass_filesystem.h" #include "ass_fontselect.h" #include "ass_fontconfig.h" #include "ass_coretext.h" #include "ass_directwrite.h" #include "ass_font.h" #include "ass_string.h" #define ABS(x) ((x) < 0 ? -(x) : (x)) #define MAX_FULLNAME 100 // internal font database element // all strings are utf-8 struct font_info { int uid; // unique font face id char **families; // family name char **fullnames; // list of localized fullnames (e.g. Arial Bold Italic) int n_family; int n_fullname; int slant; int weight; // TrueType scale, 100-900 int width; // how to access this face char *path; // absolute path int index; // font index inside font collections char *postscript_name; // can be used as an alternative to index to // identify a font inside a collection char *extended_family; // font source ASS_FontProvider *provider; // private data for callbacks void *priv; }; struct font_selector { ASS_Library *library; FT_Library ftlibrary; // uid counter int uid; // fallbacks char *family_default; char *path_default; int index_default; // font database int n_font; int alloc_font; ASS_FontInfo *font_infos; ASS_FontProvider *default_provider; ASS_FontProvider *embedded_provider; }; struct font_provider { ASS_FontSelector *parent; ASS_FontProviderFuncs funcs; void *priv; }; typedef struct font_data_ft FontDataFT; struct font_data_ft { ASS_Library *lib; FT_Face face; int idx; }; static bool check_postscript_ft(void *data) { FontDataFT *fd = (FontDataFT *)data; PS_FontInfoRec postscript_info; return !FT_Get_PS_Font_Info(fd->face, &postscript_info); } static bool check_glyph_ft(void *data, uint32_t codepoint) { FontDataFT *fd = (FontDataFT *)data; if (!codepoint) return true; return !!FT_Get_Char_Index(fd->face, codepoint); } static void destroy_font_ft(void *data) { FontDataFT *fd = (FontDataFT *)data; FT_Done_Face(fd->face); free(fd); } static size_t get_data_embedded(void *data, unsigned char *buf, size_t offset, size_t len) { FontDataFT *ft = (FontDataFT *)data; ASS_Fontdata *fd = ft->lib->fontdata; int i = ft->idx; if (buf == NULL) return fd[i].size; if (offset >= fd[i].size) return 0; if (len > fd[i].size - offset) len = fd[i].size - offset; memcpy(buf, fd[i].data + offset, len); return len; } static ASS_FontProviderFuncs ft_funcs = { .get_data = get_data_embedded, .check_postscript = check_postscript_ft, .check_glyph = check_glyph_ft, .destroy_font = destroy_font_ft, }; static void load_fonts_from_dir(ASS_Library *library, const char *dir) { ASS_Dir d; if (!ass_open_dir(&d, dir)) return; while (true) { const char *name = ass_read_dir(&d); if (!name) break; if (name[0] == '.') continue; const char *path = ass_current_file_path(&d); if (!path) continue; ass_msg(library, MSGL_INFO, "Loading font file '%s'", path); size_t size = 0; void *data = ass_load_file(library, path, FN_DIR_LIST, &size); if (data) { ass_add_font(library, name, data, size); free(data); } } ass_close_dir(&d); } /** * \brief Create a bare font provider. * \param selector parent selector. The provider will be attached to it. * \param funcs callback/destroy functions * \param data private data of the provider * \return the font provider */ ASS_FontProvider * ass_font_provider_new(ASS_FontSelector *selector, ASS_FontProviderFuncs *funcs, void *data) { ASS_FontProvider *provider = calloc(1, sizeof(ASS_FontProvider)); if (provider == NULL) return NULL; provider->parent = selector; provider->funcs = *funcs; provider->priv = data; return provider; } /** * Free all data associated with a FontInfo struct. Handles FontInfo structs * with incomplete allocations well. * * \param info FontInfo struct to free associated data from */ static void ass_font_provider_free_fontinfo(ASS_FontInfo *info) { int j; if (info->fullnames) { for (j = 0; j < info->n_fullname; j++) free(info->fullnames[j]); free(info->fullnames); } if (info->families) { for (j = 0; j < info->n_family; j++) free(info->families[j]); free(info->families); } if (info->path) free(info->path); if (info->postscript_name) free(info->postscript_name); if (info->extended_family) free(info->extended_family); } /** * \brief Read basic metadata (names, weight, slant) from a FreeType face, * as required for the FontSelector for matching and sorting. * \param lib FreeType library * \param face FreeType face * \param fallback_family_name family name from outside source, used as last resort * \param info metadata, returned here * \return success */ static bool get_font_info(FT_Library lib, FT_Face face, const char *fallback_family_name, ASS_FontProviderMetaData *info) { int i; int num_fullname = 0; int num_family = 0; int num_names = FT_Get_Sfnt_Name_Count(face); int slant, weight; char *fullnames[MAX_FULLNAME]; char *families[MAX_FULLNAME]; // we're only interested in outlines if (!(face->face_flags & FT_FACE_FLAG_SCALABLE)) return false; for (i = 0; i < num_names; i++) { FT_SfntName name; if (FT_Get_Sfnt_Name(face, i, &name)) continue; if (name.platform_id == TT_PLATFORM_MICROSOFT && (name.name_id == TT_NAME_ID_FULL_NAME || name.name_id == TT_NAME_ID_FONT_FAMILY)) { char buf[1024]; ass_utf16be_to_utf8(buf, sizeof(buf), (uint8_t *)name.string, name.string_len); if (name.name_id == TT_NAME_ID_FULL_NAME && num_fullname < MAX_FULLNAME) { fullnames[num_fullname] = strdup(buf); if (fullnames[num_fullname] == NULL) goto error; num_fullname++; } if (name.name_id == TT_NAME_ID_FONT_FAMILY && num_family < MAX_FULLNAME) { families[num_family] = strdup(buf); if (families[num_family] == NULL) goto error; num_family++; } } } // check if we got a valid family - if not, use // whatever the font provider or FreeType gives us if (num_family == 0 && (fallback_family_name || face->family_name)) { families[0] = strdup(fallback_family_name ? fallback_family_name : face->family_name); if (families[0] == NULL) goto error; num_family++; } // we absolutely need a name if (num_family == 0) goto error; // calculate sensible slant and weight from style attributes slant = 110 * !!(face->style_flags & FT_STYLE_FLAG_ITALIC); weight = ass_face_get_weight(face); // fill our struct info->slant = slant; info->weight = weight; info->width = 100; // FIXME, should probably query the OS/2 table info->postscript_name = (char *)FT_Get_Postscript_Name(face); if (num_family) { info->families = calloc(sizeof(char *), num_family); if (info->families == NULL) goto error; memcpy(info->families, &families, sizeof(char *) * num_family); info->n_family = num_family; } if (num_fullname) { info->fullnames = calloc(sizeof(char *), num_fullname); if (info->fullnames == NULL) goto error; memcpy(info->fullnames, &fullnames, sizeof(char *) * num_fullname); info->n_fullname = num_fullname; } return true; error: for (i = 0; i < num_family; i++) free(families[i]); for (i = 0; i < num_fullname; i++) free(fullnames[i]); free(info->families); free(info->fullnames); info->families = info->fullnames = NULL; info->n_family = info->n_fullname = 0; return false; } /** * \brief Free the dynamically allocated fields of metadata * created by get_font_info. * \param meta metadata created by get_font_info */ static void free_font_info(ASS_FontProviderMetaData *meta) { if (meta->families) { for (int i = 0; i < meta->n_family; i++) free(meta->families[i]); free(meta->families); } if (meta->fullnames) { for (int i = 0; i < meta->n_fullname; i++) free(meta->fullnames[i]); free(meta->fullnames); } } /** * \brief Add a font to a font provider. * \param provider the font provider * \param meta basic metadata of the font * \param path path to the font file, or NULL * \param index face index inside the file (-1 to look up by PostScript name) * \param data private data for the font * \return success */ bool ass_font_provider_add_font(ASS_FontProvider *provider, ASS_FontProviderMetaData *meta, const char *path, int index, void *data) { int i; int weight, slant, width; ASS_FontSelector *selector = provider->parent; ASS_FontInfo *info = NULL; ASS_FontProviderMetaData implicit_meta = {0}; if (!meta->n_family) { FT_Face face; if (provider->funcs.get_font_index) index = provider->funcs.get_font_index(data); if (!path) { ASS_FontStream stream = { .func = provider->funcs.get_data, .priv = data, }; // This name is only used in an error message, so use // our best name but don't panic if we don't have any. // Prefer PostScript name because it is unique. const char *name = meta->postscript_name ? meta->postscript_name : meta->extended_family; face = ass_face_stream(selector->library, selector->ftlibrary, name, &stream, index); } else { face = ass_face_open(selector->library, selector->ftlibrary, path, meta->postscript_name, index); } if (!face) goto error; if (!get_font_info(selector->ftlibrary, face, meta->extended_family, &implicit_meta)) { FT_Done_Face(face); goto error; } if (implicit_meta.postscript_name) { implicit_meta.postscript_name = strdup(implicit_meta.postscript_name); if (!implicit_meta.postscript_name) { FT_Done_Face(face); goto error; } } FT_Done_Face(face); implicit_meta.extended_family = meta->extended_family; meta = &implicit_meta; } #if 0 int j; printf("new font:\n"); printf(" families: "); for (j = 0; j < meta->n_family; j++) printf("'%s' ", meta->families[j]); printf("\n"); printf(" fullnames: "); for (j = 0; j < meta->n_fullname; j++) printf("'%s' ", meta->fullnames[j]); printf("\n"); printf(" slant: %d\n", meta->slant); printf(" weight: %d\n", meta->weight); printf(" width: %d\n", meta->width); printf(" path: %s\n", path); printf(" index: %d\n", index); #endif weight = meta->weight; slant = meta->slant; width = meta->width; // check slant/weight for validity, use defaults if they're invalid if (weight < 100 || weight > 900) weight = 400; if (slant < 0 || slant > 110) slant = 0; if (width < 50 || width > 200) width = 100; // check size if (selector->n_font >= selector->alloc_font) { selector->alloc_font = FFMAX(1, 2 * selector->alloc_font); selector->font_infos = realloc(selector->font_infos, selector->alloc_font * sizeof(ASS_FontInfo)); } // copy over metadata info = selector->font_infos + selector->n_font; memset(info, 0, sizeof(ASS_FontInfo)); // set uid info->uid = selector->uid++; info->slant = slant; info->weight = weight; info->width = width; info->n_fullname = meta->n_fullname; info->n_family = meta->n_family; info->families = calloc(meta->n_family, sizeof(char *)); if (info->families == NULL) goto error; if (meta->n_fullname) { info->fullnames = calloc(meta->n_fullname, sizeof(char *)); if (info->fullnames == NULL) goto error; } for (i = 0; i < info->n_family; i++) { info->families[i] = strdup(meta->families[i]); if (info->families[i] == NULL) goto error; } for (i = 0; i < info->n_fullname; i++) { info->fullnames[i] = strdup(meta->fullnames[i]); if (info->fullnames[i] == NULL) goto error; } if (meta->postscript_name) { info->postscript_name = strdup(meta->postscript_name); if (info->postscript_name == NULL) goto error; } if (meta->extended_family) { info->extended_family = strdup(meta->extended_family); if (info->extended_family == NULL) goto error; } if (path) { info->path = strdup(path); if (info->path == NULL) goto error; } info->index = index; info->priv = data; info->provider = provider; selector->n_font++; return true; error: if (info) ass_font_provider_free_fontinfo(info); free_font_info(&implicit_meta); free(implicit_meta.postscript_name); if (provider->funcs.destroy_font) provider->funcs.destroy_font(data); return false; } /** * \brief Clean up font database. Deletes all fonts that have an invalid * font provider (NULL). * \param selector the font selector */ static void ass_fontselect_cleanup(ASS_FontSelector *selector) { int i, w; for (i = 0, w = 0; i < selector->n_font; i++) { ASS_FontInfo *info = selector->font_infos + i; // update write pointer if (info->provider != NULL) { // rewrite, if needed if (w != i) memcpy(selector->font_infos + w, selector->font_infos + i, sizeof(ASS_FontInfo)); w++; } } selector->n_font = w; } void ass_font_provider_free(ASS_FontProvider *provider) { int i; ASS_FontSelector *selector = provider->parent; // free all fonts and mark their entries for (i = 0; i < selector->n_font; i++) { ASS_FontInfo *info = selector->font_infos + i; if (info->provider == provider) { ass_font_provider_free_fontinfo(info); if (info->provider->funcs.destroy_font) info->provider->funcs.destroy_font(info->priv); info->provider = NULL; } } // delete marked entries ass_fontselect_cleanup(selector); // free private data of the provider if (provider->funcs.destroy_provider) provider->funcs.destroy_provider(provider->priv); free(provider); } static bool check_postscript(ASS_FontInfo *fi) { ASS_FontProvider *provider = fi->provider; assert(provider && provider->funcs.check_postscript); return provider->funcs.check_postscript(fi->priv); } /** * \brief Return whether the given font is in the given family. */ static bool matches_family_name(ASS_FontInfo *f, const char *family, bool match_extended_family) { for (int i = 0; i < f->n_family; i++) { if (ass_strcasecmp(f->families[i], family) == 0) return true; } if (match_extended_family && f->extended_family) { if (ass_strcasecmp(f->extended_family, family) == 0) return true; } return false; } /** * \brief Return whether the given font has the given fullname or * PostScript name depending on whether it has PostScript outlines. */ static bool matches_full_or_postscript_name(ASS_FontInfo *f, const char *fullname) { bool matches_fullname = false; bool matches_postscript_name = false; for (int i = 0; i < f->n_fullname; i++) { if (ass_strcasecmp(f->fullnames[i], fullname) == 0) { matches_fullname = true; break; } } if (f->postscript_name != NULL && ass_strcasecmp(f->postscript_name, fullname) == 0) matches_postscript_name = true; if (matches_fullname == matches_postscript_name) return matches_fullname; if (check_postscript(f)) return matches_postscript_name; else return matches_fullname; } /** * \brief Compare attributes of font (a) against a font request (req). Returns * a matching score - the lower the better. * Ignores font names/families! * \param a font * \param b font request * \return matching score */ static unsigned font_attributes_similarity(ASS_FontInfo *a, ASS_FontInfo *req) { unsigned similarity = 0; similarity += ABS(a->weight - req->weight); similarity += ABS(a->slant - req->slant); similarity += ABS(a->width - req->width); return similarity; } #if 0 // dump font information static void font_info_dump(ASS_FontInfo *font_infos, size_t len) { int i, j; // dump font infos for (i = 0; i < len; i++) { printf("font %d\n", i); printf(" families: "); for (j = 0; j < font_infos[i].n_family; j++) printf("'%s' ", font_infos[i].families[j]); printf(" fullnames: "); for (j = 0; j < font_infos[i].n_fullname; j++) printf("'%s' ", font_infos[i].fullnames[j]); printf("\n"); printf(" slant: %d\n", font_infos[i].slant); printf(" weight: %d\n", font_infos[i].weight); printf(" width: %d\n", font_infos[i].width); printf(" path: %s\n", font_infos[i].path); printf(" index: %d\n", font_infos[i].index); printf(" score: %d\n", font_infos[i].score); } } #endif static bool check_glyph(ASS_FontInfo *fi, uint32_t code) { ASS_FontProvider *provider = fi->provider; assert(provider && provider->funcs.check_glyph); return provider->funcs.check_glyph(fi->priv, code); } static char * find_font(ASS_FontSelector *priv, ASS_FontProviderMetaData meta, bool match_extended_family, unsigned bold, unsigned italic, int *index, char **postscript_name, int *uid, ASS_FontStream *stream, uint32_t code, bool *name_match) { ASS_FontInfo req = {0}; ASS_FontInfo *selected = NULL; // do we actually have any fonts? if (!priv->n_font) return NULL; // fill font request req.slant = italic; req.weight = bold; req.width = 100; // Match font family name against font list unsigned score_min = UINT_MAX; for (int i = 0; i < meta.n_fullname; i++) { const char *fullname = meta.fullnames[i]; for (int x = 0; x < priv->n_font; x++) { ASS_FontInfo *font = &priv->font_infos[x]; unsigned score = UINT_MAX; if (matches_family_name(font, fullname, match_extended_family)) { // If there's a family match, compare font attributes // to determine best match in that particular family score = font_attributes_similarity(font, &req); *name_match = true; } else if (matches_full_or_postscript_name(font, fullname)) { // If we don't have any match, compare fullnames against request // if there is a match now, assign lowest score possible. This means // the font should be chosen instantly, without further search. score = 0; *name_match = true; } // Consider updating idx if score is better than current minimum if (score < score_min) { // Check if the font has the requested glyph. // We are doing this here, for every font face, because // coverage might differ between the variants of a font // family. In practice, it is common that the regular // style has the best coverage while bold/italic/etc // variants cover less (e.g. FreeSans family). // We want to be able to match even if the closest variant // does not have the requested glyph, but another member // of the family has the glyph. if (!check_glyph(font, code)) continue; score_min = score; selected = font; } // Lowest possible score instantly matches; this is typical // for fullname matches, but can also occur with family matches. if (score == 0) break; } // The list of names is sorted by priority. If we matched anything, // we can and should stop. if (selected != NULL) break; } // found anything? char *result = NULL; if (selected) { ASS_FontProvider *provider = selected->provider; // successfully matched, set up return values *postscript_name = selected->postscript_name; *uid = selected->uid; // use lazy evaluation for index if applicable if (provider->funcs.get_font_index) { *index = provider->funcs.get_font_index(selected->priv); } else *index = selected->index; // set up memory stream if there is no path if (selected->path == NULL) { stream->func = provider->funcs.get_data; stream->priv = selected->priv; // Prefer PostScript name because it is unique. This is only // used for display purposes so it doesn't matter that much, // though. if (selected->postscript_name) result = selected->postscript_name; else result = selected->families[0]; } else result = selected->path; } return result; } static char *select_font(ASS_FontSelector *priv, const char *family, bool match_extended_family, unsigned bold, unsigned italic, int *index, char **postscript_name, int *uid, ASS_FontStream *stream, uint32_t code) { ASS_FontProvider *default_provider = priv->default_provider; ASS_FontProviderMetaData meta = {0}; char *result = NULL; bool name_match = false; if (family == NULL) return NULL; ASS_FontProviderMetaData default_meta = { .n_fullname = 1, .fullnames = (char **)&family, }; // Get a list of substitutes if applicable, and use it for matching. if (default_provider && default_provider->funcs.get_substitutions) { default_provider->funcs.get_substitutions(default_provider->priv, family, &meta); } if (!meta.n_fullname) { free(meta.fullnames); meta = default_meta; } result = find_font(priv, meta, match_extended_family, bold, italic, index, postscript_name, uid, stream, code, &name_match); // If no matching font was found, it might not exist in the font list // yet. Call the match_fonts callback to fill in the missing fonts // on demand, and retry the search for a match. if (result == NULL && name_match == false && default_provider && default_provider->funcs.match_fonts) { // TODO: consider changing the API to make more efficient // implementations possible. for (int i = 0; i < meta.n_fullname; i++) { default_provider->funcs.match_fonts(default_provider->priv, priv->library, default_provider, meta.fullnames[i]); } result = find_font(priv, meta, match_extended_family, bold, italic, index, postscript_name, uid, stream, code, &name_match); } // cleanup if (meta.fullnames != default_meta.fullnames) { for (int i = 0; i < meta.n_fullname; i++) free(meta.fullnames[i]); free(meta.fullnames); } return result; } /** * \brief Find a font. Use default family or path if necessary. * \param family font family * \param treat_family_as_pattern treat family as fontconfig pattern * \param bold font weight value * \param italic font slant value * \param index out: font index inside a file * \param code: the character that should be present in the font, can be 0 * \return font file path */ char *ass_font_select(ASS_FontSelector *priv, const ASS_Font *font, int *index, char **postscript_name, int *uid, ASS_FontStream *data, uint32_t code) { char *res = 0; const char *family = font->desc.family.str; // always zero-terminated unsigned bold = font->desc.bold; unsigned italic = font->desc.italic; ASS_FontProvider *default_provider = priv->default_provider; if (family && *family) res = select_font(priv, family, false, bold, italic, index, postscript_name, uid, data, code); if (!res && priv->family_default) { res = select_font(priv, priv->family_default, false, bold, italic, index, postscript_name, uid, data, code); if (res) ass_msg(priv->library, MSGL_WARN, "fontselect: Using default " "font family: (%s, %d, %d) -> %s, %d, %s", family, bold, italic, res, *index, *postscript_name ? *postscript_name : "(none)"); } if (!res && default_provider && default_provider->funcs.get_fallback) { const char *search_family = family; if (!search_family || !*search_family) search_family = "Arial"; char *fallback_family = default_provider->funcs.get_fallback( default_provider->priv, priv->library, search_family, code); if (fallback_family) { res = select_font(priv, fallback_family, true, bold, italic, index, postscript_name, uid, data, code); free(fallback_family); } } if (!res && priv->path_default) { res = priv->path_default; *index = priv->index_default; ass_msg(priv->library, MSGL_WARN, "fontselect: Using default font: " "(%s, %d, %d) -> %s, %d, %s", family, bold, italic, priv->path_default, *index, *postscript_name ? *postscript_name : "(none)"); } if (res) ass_msg(priv->library, MSGL_INFO, "fontselect: (%s, %d, %d) -> %s, %d, %s", family, bold, italic, res, *index, *postscript_name ? *postscript_name : "(none)"); else ass_msg(priv->library, MSGL_WARN, "fontselect: failed to find any fallback with glyph 0x%X for font: " "(%s, %d, %d)", code, family, bold, italic); return res; } /** * \brief Process memory font. * \param priv private data * \param idx index of the processed font in priv->library->fontdata * * Builds a FontInfo with FreeType and some table reading. */ static void process_fontdata(ASS_FontProvider *priv, int idx) { ASS_FontSelector *selector = priv->parent; ASS_Library *library = selector->library; int rc; const char *name = library->fontdata[idx].name; const char *data = library->fontdata[idx].data; int data_size = library->fontdata[idx].size; FT_Face face; int face_index, num_faces = 1; for (face_index = 0; face_index < num_faces; ++face_index) { ASS_FontProviderMetaData info; FontDataFT *ft; rc = FT_New_Memory_Face(selector->ftlibrary, (unsigned char *) data, data_size, face_index, &face); if (rc) { ass_msg(library, MSGL_WARN, "Error opening memory font '%s'", name); continue; } num_faces = face->num_faces; ass_charmap_magic(library, face); memset(&info, 0, sizeof(ASS_FontProviderMetaData)); if (!get_font_info(selector->ftlibrary, face, NULL, &info)) { ass_msg(library, MSGL_WARN, "Error getting metadata for embedded font '%s'", name); FT_Done_Face(face); continue; } ft = calloc(1, sizeof(FontDataFT)); if (ft == NULL) { free_font_info(&info); FT_Done_Face(face); continue; } ft->lib = library; ft->face = face; ft->idx = idx; if (!ass_font_provider_add_font(priv, &info, NULL, face_index, ft)) { ass_msg(library, MSGL_WARN, "Failed to add embedded font '%s'", name); free(ft); } free_font_info(&info); } } /** * \brief Create font provider for embedded fonts. This parses the fonts known * to the current ASS_Library and adds them to the selector. * \param selector font selector * \return font provider */ static ASS_FontProvider * ass_embedded_fonts_add_provider(ASS_FontSelector *selector, size_t *num_emfonts) { ASS_FontProvider *priv = ass_font_provider_new(selector, &ft_funcs, NULL); if (priv == NULL) return NULL; ASS_Library *lib = selector->library; if (lib->fonts_dir && lib->fonts_dir[0]) { load_fonts_from_dir(lib, lib->fonts_dir); } for (size_t i = 0; i < lib->num_fontdata; i++) process_fontdata(priv, i); *num_emfonts = lib->num_fontdata; return priv; } struct font_constructors { ASS_DefaultFontProvider id; ASS_FontProvider *(*constructor)(ASS_Library *, ASS_FontSelector *, const char *, FT_Library); const char *name; }; struct font_constructors font_constructors[] = { #ifdef CONFIG_CORETEXT { ASS_FONTPROVIDER_CORETEXT, &ass_coretext_add_provider, "coretext"}, #endif #ifdef CONFIG_DIRECTWRITE { ASS_FONTPROVIDER_DIRECTWRITE, &ass_directwrite_add_provider, "directwrite" #if ASS_WINAPI_DESKTOP " (with GDI)" #else " (without GDI)" #endif }, #endif #ifdef CONFIG_FONTCONFIG { ASS_FONTPROVIDER_FONTCONFIG, &ass_fontconfig_add_provider, "fontconfig"}, #endif { ASS_FONTPROVIDER_NONE, NULL, NULL }, }; /** * \brief Init font selector. * \param library libass library object * \param ftlibrary freetype library object * \param family default font family * \param path default font path * \return newly created font selector */ ASS_FontSelector * ass_fontselect_init(ASS_Library *library, FT_Library ftlibrary, size_t *num_emfonts, const char *family, const char *path, const char *config, ASS_DefaultFontProvider dfp) { ASS_FontSelector *priv = calloc(1, sizeof(ASS_FontSelector)); if (priv == NULL) return NULL; priv->library = library; priv->ftlibrary = ftlibrary; priv->uid = 1; priv->family_default = family ? strdup(family) : NULL; priv->path_default = path ? strdup(path) : NULL; priv->index_default = 0; if (family && !priv->family_default) goto fail; if (path && !priv->path_default) goto fail; priv->embedded_provider = ass_embedded_fonts_add_provider(priv, num_emfonts); if (priv->embedded_provider == NULL) { ass_msg(library, MSGL_WARN, "failed to create embedded font provider"); goto fail; } if (dfp >= ASS_FONTPROVIDER_AUTODETECT) { for (int i = 0; font_constructors[i].constructor; i++ ) if (dfp == font_constructors[i].id || dfp == ASS_FONTPROVIDER_AUTODETECT) { priv->default_provider = font_constructors[i].constructor(library, priv, config, ftlibrary); if (priv->default_provider) { ass_msg(library, MSGL_INFO, "Using font provider %s", font_constructors[i].name); break; } } if (!priv->default_provider) ass_msg(library, MSGL_WARN, "can't find selected font provider"); } return priv; fail: if (priv->default_provider) ass_font_provider_free(priv->default_provider); if (priv->embedded_provider) ass_font_provider_free(priv->embedded_provider); free(priv->family_default); free(priv->path_default); free(priv); return NULL; } void ass_get_available_font_providers(ASS_Library *priv, ASS_DefaultFontProvider **providers, size_t *size) { size_t offset = 2; *size = offset; for (int i = 0; font_constructors[i].constructor; i++) (*size)++; *providers = calloc(*size, sizeof(ASS_DefaultFontProvider)); if (*providers == NULL) { *size = (size_t)-1; return; } (*providers)[0] = ASS_FONTPROVIDER_NONE; (*providers)[1] = ASS_FONTPROVIDER_AUTODETECT; for (int i = offset; i < *size; i++) (*providers)[i] = font_constructors[i-offset].id; } /** * \brief Free font selector and release associated data * \param the font selector */ void ass_fontselect_free(ASS_FontSelector *priv) { if (priv->default_provider) ass_font_provider_free(priv->default_provider); if (priv->embedded_provider) ass_font_provider_free(priv->embedded_provider); free(priv->font_infos); free(priv->path_default); free(priv->family_default); free(priv); } void ass_map_font(const ASS_FontMapping *map, int len, const char *name, ASS_FontProviderMetaData *meta) { for (int i = 0; i < len; i++) { if (ass_strcasecmp(map[i].from, name) == 0) { meta->fullnames = calloc(1, sizeof(char *)); if (meta->fullnames) { meta->fullnames[0] = strdup(map[i].to); if (meta->fullnames[0]) meta->n_fullname = 1; } return; } } } size_t ass_update_embedded_fonts(ASS_FontSelector *selector, size_t num_loaded) { if (!selector->embedded_provider) return num_loaded; size_t num_fontdata = selector->library->num_fontdata; for (size_t i = num_loaded; i < num_fontdata; i++) process_fontdata(selector->embedded_provider, i); return num_fontdata; } libass-0.17.1/libass/ass_fontselect.h0000644060175106017510000002461714371314501014467 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_FONTSELECT_H #define LIBASS_FONTSELECT_H #include #include #include #include FT_FREETYPE_H typedef struct ass_shaper_font_data ASS_ShaperFontData; typedef struct font_selector ASS_FontSelector; typedef struct font_info ASS_FontInfo; typedef struct ass_font_stream ASS_FontStream; #include "ass_types.h" #include "ass.h" #include "ass_font.h" typedef struct font_provider ASS_FontProvider; /* Font Provider */ typedef struct ass_font_provider_meta_data ASS_FontProviderMetaData; /** * Get font data. This is a stream interface which can be used as an * alternative to providing a font path (which may not be available). * * This is called by fontselect if a given font was added without a * font path (i.e. the path was set to NULL). * * \param font_priv font private data * \param data output buffer; set to NULL to query stream size * \param offset stream offset * \param len bytes to read into output buffer from stream * \return actual number of bytes read, or stream size if data == NULL */ typedef size_t (*GetDataFunc)(void *font_priv, unsigned char *data, size_t offset, size_t len); /** * Check whether the font contains PostScript outlines. * * \param font_priv font private data * \return true if the font contains PostScript outlines */ typedef bool (*CheckPostscriptFunc)(void *font_priv); /** * Check if a glyph is supported by a font. * * \param font_priv font private data * \param codepoint Unicode codepoint (UTF-32) * \return true if codepoint is supported by the font */ typedef bool (*CheckGlyphFunc)(void *font_priv, uint32_t codepoint); /** * Get index of a font in context of a font collection. * This function is optional and may be needed to initialize the font index * lazily. * * \param font_priv font private data * \return font index inside the collection, or 0 in case of a single font */ typedef unsigned (*GetFontIndex)(void *font_priv); /** * Destroy a font's private data. * * \param font_priv font private data */ typedef void (*DestroyFontFunc)(void *font_priv); /** * Destroy a font provider's private data. * * \param priv font provider private data */ typedef void (*DestroyProviderFunc)(void *priv); /** * Add fonts for a given font name; this should add all fonts matching the * given name to the fontselect database. * * This is called by fontselect whenever a new logical font is created. The * font provider set as default is used. * * \param priv font provider private data * \param lib ASS_Library instance * \param provider font provider instance * \param name font name (as specified in script) */ typedef void (*MatchFontsFunc)(void *priv, ASS_Library *lib, ASS_FontProvider *provider, char *name); /** * Substitute font name by another. This implements generic font family * substitutions (e.g. sans-serif, serif, monospace) as well as font aliases. * * The generic families should map to sensible platform-specific font families. * Aliases are sometimes used to map from common fonts that don't exist on * a particular platform to similar alternatives. For example, a Linux * system with fontconfig may map "Arial" to "Liberation Sans" and Windows * maps "Helvetica" to "Arial". * * This is called by fontselect when a new logical font is created. The font * provider set as default is used. * * \param priv font provider private data * \param name input string for substitution, as specified in the script * \param meta metadata (fullnames and n_fullname) to be filled in */ typedef void (*SubstituteFontFunc)(void *priv, const char *name, ASS_FontProviderMetaData *meta); /** * Get an appropriate fallback extended font family for a given codepoint. * * This is called by fontselect whenever a glyph is not found in the * physical font list of a logical font. fontselect will try to add the * font family with match_fonts if it does not exist in the font list * add match_fonts is not NULL. Note that the returned font family should * contain the requested codepoint. * * Note that fontselect uses the font provider set as default to determine * fallbacks. * * \param priv font provider private data * \param lib ASS_Library instance * \param family original font family name (try matching a similar font) (never NULL) * \param codepoint Unicode codepoint (UTF-32) * \return output extended font family, allocated with malloc(), must be freed * by caller. */ typedef char *(*GetFallbackFunc)(void *priv, ASS_Library *lib, const char *family, uint32_t codepoint); typedef struct font_provider_funcs { GetDataFunc get_data; /* optional/mandatory */ CheckPostscriptFunc check_postscript; /* mandatory */ CheckGlyphFunc check_glyph; /* mandatory */ DestroyFontFunc destroy_font; /* optional */ DestroyProviderFunc destroy_provider; /* optional */ MatchFontsFunc match_fonts; /* optional */ SubstituteFontFunc get_substitutions; /* optional */ GetFallbackFunc get_fallback; /* optional */ GetFontIndex get_font_index; /* optional */ } ASS_FontProviderFuncs; /* * Basic font metadata. All strings must be encoded with UTF-8. * At minimum one family is required. * If no family names are present, ass_font_provider_add_font * will open the font file and read metadata from there, * replacing everything but extended_family. */ struct ass_font_provider_meta_data { /** * List of localized font family names, * e.g. "Arial", "Arial Narrow" or "Arial Black". */ char **families; /** * List of localized full names, e.g. "Arial Bold", * "Arial Narrow Bold", "Arial Black" or "Arial Black Normal". * The English name should be listed first to speed up typical matching. */ char **fullnames; /** * The PostScript name, e.g. "Arial-BoldMT", * "ArialNarrow-Bold" or "Arial-Black". */ char *postscript_name; /** * Any name that identifies an extended font family, e.g. "Arial". * This could be the full designer-named typographic family or (perhaps * even better) a (sub)family limited to weight/width/slant variations. * Names returned by get_fallback are matched against this field. */ char *extended_family; int n_family; // Number of localized family names int n_fullname; // Number of localized full names int slant; // Font slant value from FONT_SLANT_* int weight; // Font weight in TrueType scale, 100-900 // See FONT_WEIGHT_* int width; // Font weight in percent, normally 100 // See FONT_WIDTH_* }; struct ass_font_stream { // GetDataFunc size_t (*func)(void *font_priv, unsigned char *data, size_t offset, size_t len); void *priv; }; typedef struct ass_font_mapping ASS_FontMapping; struct ass_font_mapping { const char *from; const char *to; }; /** * Simple font substitution helper. This can be used to implement basic * mappings from one name to another. This is useful for supporting * generic font families in font providers. * * \param map list of mappings * \param len length of list of mappings * \param name font name to map from * \param meta metadata struct, mapped fonts will be stored into this */ void ass_map_font(const ASS_FontMapping *map, int len, const char *name, ASS_FontProviderMetaData *meta); ASS_FontSelector * ass_fontselect_init(ASS_Library *library, FT_Library ftlibrary, size_t *num_emfonts, const char *family, const char *path, const char *config, ASS_DefaultFontProvider dfp); char *ass_font_select(ASS_FontSelector *priv, const ASS_Font *font, int *index, char **postscript_name, int *uid, ASS_FontStream *data, uint32_t code); void ass_fontselect_free(ASS_FontSelector *priv); // Font provider functions ASS_FontProvider *ass_font_provider_new(ASS_FontSelector *selector, ASS_FontProviderFuncs *funcs, void *data); /** * \brief Create an empty font provider. A font provider can be used to * provide additional fonts to libass. * \param priv parent renderer * \param funcs callback functions * \param data private data for provider callbacks * */ ASS_FontProvider * ass_create_font_provider(ASS_Renderer *priv, ASS_FontProviderFuncs *funcs, void *data); /** * \brief Add a font to a font provider. * \param provider the font provider * \param meta font metadata. See struct definition for more information. * \param path absolute path to font, or NULL for memory-based fonts * \param index index inside a font collection file * (-1 to look up by PostScript name) * \param data private data for font callbacks * \return success * */ bool ass_font_provider_add_font(ASS_FontProvider *provider, ASS_FontProviderMetaData *meta, const char *path, int index, void *data); /** * \brief Free font provider and associated fonts. * \param provider the font provider * */ void ass_font_provider_free(ASS_FontProvider *provider); /** * \brief Update embedded and memory fonts */ size_t ass_update_embedded_fonts(ASS_FontSelector *selector, size_t num_loaded); #endif /* LIBASS_FONTSELECT_H */ libass-0.17.1/libass/ass_func_template.h0000644060175106017510000001444714376664500015163 00000000000000/* * Copyright (C) 2015 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ void DECORATE(fill_solid_tile16)(uint8_t *buf, ptrdiff_t stride, int set); void DECORATE(fill_solid_tile32)(uint8_t *buf, ptrdiff_t stride, int set); void DECORATE(fill_halfplane_tile16)(uint8_t *buf, ptrdiff_t stride, int32_t a, int32_t b, int64_t c, int32_t scale); void DECORATE(fill_halfplane_tile32)(uint8_t *buf, ptrdiff_t stride, int32_t a, int32_t b, int64_t c, int32_t scale); void DECORATE(fill_generic_tile16)(uint8_t *buf, ptrdiff_t stride, const struct segment *line, size_t n_lines, int winding); void DECORATE(fill_generic_tile32)(uint8_t *buf, ptrdiff_t stride, const struct segment *line, size_t n_lines, int winding); void DECORATE(merge_tile16)(uint8_t *buf, ptrdiff_t stride, const uint8_t *tile); void DECORATE(merge_tile32)(uint8_t *buf, ptrdiff_t stride, const uint8_t *tile); void DECORATE(add_bitmaps)(uint8_t *dst, intptr_t dst_stride, uint8_t *src, intptr_t src_stride, intptr_t width, intptr_t height); void DECORATE(imul_bitmaps)(uint8_t *dst, intptr_t dst_stride, uint8_t *src, intptr_t src_stride, intptr_t width, intptr_t height); void DECORATE(mul_bitmaps)(uint8_t *dst, intptr_t dst_stride, uint8_t *src1, intptr_t src1_stride, uint8_t *src2, intptr_t src2_stride, intptr_t width, intptr_t height); void DECORATE(be_blur)(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height, uint16_t *tmp); void DECORATE(stripe_unpack)(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, uintptr_t width, uintptr_t height); void DECORATE(stripe_pack)(uint8_t *dst, ptrdiff_t dst_stride, const int16_t *src, uintptr_t width, uintptr_t height); void DECORATE(shrink_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height); void DECORATE(shrink_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height); void DECORATE(expand_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height); void DECORATE(expand_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height); void DECORATE(blur4_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur4_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur5_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur5_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur6_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur6_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur7_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur7_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur8_horz)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); void DECORATE(blur8_vert)(int16_t *dst, const int16_t *src, uintptr_t src_width, uintptr_t src_height, const int16_t *param); const BitmapEngine DECORATE(bitmap_engine) = { .align_order = ALIGN, #if CONFIG_LARGE_TILES .tile_order = 5, .fill_solid = DECORATE(fill_solid_tile32), .fill_halfplane = DECORATE(fill_halfplane_tile32), .fill_generic = DECORATE(fill_generic_tile32), .merge_tile = DECORATE(merge_tile32), #else .tile_order = 4, .fill_solid = DECORATE(fill_solid_tile16), .fill_halfplane = DECORATE(fill_halfplane_tile16), .fill_generic = DECORATE(fill_generic_tile16), .merge_tile = DECORATE(merge_tile16), #endif .add_bitmaps = DECORATE(add_bitmaps), .imul_bitmaps = DECORATE(imul_bitmaps), .mul_bitmaps = DECORATE(mul_bitmaps), .be_blur = DECORATE(be_blur), .stripe_unpack = DECORATE(stripe_unpack), .stripe_pack = DECORATE(stripe_pack), .shrink_horz = DECORATE(shrink_horz), .shrink_vert = DECORATE(shrink_vert), .expand_horz = DECORATE(expand_horz), .expand_vert = DECORATE(expand_vert), .blur_horz = { DECORATE(blur4_horz), DECORATE(blur5_horz), DECORATE(blur6_horz), DECORATE(blur7_horz), DECORATE(blur8_horz) }, .blur_vert = { DECORATE(blur4_vert), DECORATE(blur5_vert), DECORATE(blur6_vert), DECORATE(blur7_vert), DECORATE(blur8_vert) }, }; libass-0.17.1/libass/ass_library.c0000644060175106017510000001017114371314501013746 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include #ifdef CONFIG_UNIBREAK #include #endif #include "ass.h" #include "ass_library.h" #include "ass_utils.h" #include "ass_string.h" static void ass_msg_handler(int level, const char *fmt, va_list va, void *data) { if (level > MSGL_INFO) return; fprintf(stderr, "[ass] "); vfprintf(stderr, fmt, va); fprintf(stderr, "\n"); } ASS_Library *ass_library_init(void) { ASS_Library* lib = calloc(1, sizeof(*lib)); if (lib) lib->msg_callback = ass_msg_handler; #ifdef CONFIG_UNIBREAK // libunibreak works without, but its docs suggest this improves performance init_linebreak(); #endif return lib; } void ass_library_done(ASS_Library *priv) { if (priv) { ass_set_fonts_dir(priv, NULL); ass_set_style_overrides(priv, NULL); ass_clear_fonts(priv); free(priv); } } void ass_set_fonts_dir(ASS_Library *priv, const char *fonts_dir) { free(priv->fonts_dir); priv->fonts_dir = fonts_dir ? strdup(fonts_dir) : 0; } void ass_set_extract_fonts(ASS_Library *priv, int extract) { priv->extract_fonts = !!extract; } void ass_set_style_overrides(ASS_Library *priv, char **list) { char **p; char **q; int cnt; if (priv->style_overrides) { for (p = priv->style_overrides; *p; ++p) free(*p); } free(priv->style_overrides); priv->style_overrides = NULL; if (!list) return; for (p = list, cnt = 0; *p; ++p, ++cnt) { } priv->style_overrides = calloc(cnt + 1, sizeof(char *)); if (!priv->style_overrides) return; for (p = list, q = priv->style_overrides; *p; ++p, ++q) *q = strdup(*p); } void ass_add_font(ASS_Library *priv, const char *name, const char *data, int size) { size_t idx = priv->num_fontdata; if (!name || !data || !size) return; if (!(idx & (idx - 32)) && // power of two >= 32, or zero --> time for realloc !ASS_REALLOC_ARRAY(priv->fontdata, FFMAX(2 * idx, 32))) return; priv->fontdata[idx].name = strdup(name); priv->fontdata[idx].data = malloc(size); if (!priv->fontdata[idx].name || !priv->fontdata[idx].data) goto error; memcpy(priv->fontdata[idx].data, data, size); priv->fontdata[idx].size = size; priv->num_fontdata++; return; error: free(priv->fontdata[idx].name); free(priv->fontdata[idx].data); } void ass_clear_fonts(ASS_Library *priv) { for (size_t i = 0; i < priv->num_fontdata; i++) { free(priv->fontdata[i].name); free(priv->fontdata[i].data); } free(priv->fontdata); priv->fontdata = NULL; priv->num_fontdata = 0; } /* * Register a message callback function with libass. Without setting one, * a default handler is used which prints everything with MSGL_INFO or * higher to the standard output. * * \param msg_cb the callback function * \param data additional data that will be passed to the callback */ void ass_set_message_cb(ASS_Library *priv, void (*msg_cb)(int, const char *, va_list, void *), void *data) { if (msg_cb) { priv->msg_callback = msg_cb; priv->msg_callback_data = data; } } libass-0.17.1/libass/ass_library.h0000644060175106017510000000262114371314501013754 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_LIBRARY_H #define LIBASS_LIBRARY_H #include #include "ass_filesystem.h" typedef struct { char *name; char *data; int size; } ASS_Fontdata; struct ass_library { char *fonts_dir; int extract_fonts; char **style_overrides; ASS_Fontdata *fontdata; size_t num_fontdata; void (*msg_callback)(int, const char *, va_list, void *); void *msg_callback_data; }; char *ass_load_file(struct ass_library *library, const char *fname, FileNameSource hint, size_t *bufsize); #endif /* LIBASS_LIBRARY_H */ libass-0.17.1/libass/ass_outline.c0000644060175106017510000015037414371314501013773 00000000000000/* * Copyright (C) 2016 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include "ass_utils.h" #include "ass_outline.h" /* * \brief Initialize ASS_Outline to an empty state * Equivalent to zeroing of outline object and doesn't free any memory. */ void ass_outline_clear(ASS_Outline *outline) { outline->points = NULL; outline->segments = NULL; outline->n_points = outline->max_points = 0; outline->n_segments = outline->max_segments = 0; } /* * \brief Initialize ASS_Outline and allocate memory */ bool ass_outline_alloc(ASS_Outline *outline, size_t max_points, size_t max_segments) { assert(max_points && max_segments); if (max_points > SIZE_MAX / sizeof(ASS_Vector)) { ass_outline_clear(outline); return false; } outline->points = malloc(sizeof(ASS_Vector) * max_points); outline->segments = malloc(max_segments); if (!outline->points || !outline->segments) { ass_outline_free(outline); return false; } outline->max_points = max_points; outline->max_segments = max_segments; outline->n_points = outline->n_segments = 0; return true; } /* * \brief Free previously initialized ASS_Outline * Outline state after the call is the same as after ass_outline_clear(). * Outline pointer can be NULL. */ void ass_outline_free(ASS_Outline *outline) { if (!outline) return; free(outline->points); free(outline->segments); ass_outline_clear(outline); } static bool valid_point(const FT_Vector *pt) { return labs(pt->x) <= OUTLINE_MAX && labs(pt->y) <= OUTLINE_MAX; } /* * \brief Convert FT_Ouline into ASS_Outline * Outline should be preallocated to a sufficient size. */ bool ass_outline_convert(ASS_Outline *outline, const FT_Outline *source) { enum Status { S_ON, S_Q, S_C1, S_C2 }; for (int i = 0, j = 0; i < source->n_contours; i++) { ASS_Vector pt; int skip_last = 0; enum Status st; char seg; int last = source->contours[i]; if (j > last || last >= source->n_points) return false; // skip degenerate 2-point contours from broken fonts if (last - j < 2) { j = last + 1; continue; } if (!valid_point(source->points + j)) return false; switch (FT_CURVE_TAG(source->tags[j])) { case FT_CURVE_TAG_ON: st = S_ON; break; case FT_CURVE_TAG_CONIC: if (!valid_point(source->points + last)) return false; pt.x = source->points[last].x; pt.y = -source->points[last].y; switch (FT_CURVE_TAG(source->tags[last])) { case FT_CURVE_TAG_ON: skip_last = 1; last--; break; case FT_CURVE_TAG_CONIC: pt.x = (pt.x + source->points[j].x) >> 1; pt.y = (pt.y - source->points[j].y) >> 1; break; default: return false; } assert(outline->n_points < outline->max_points); outline->points[outline->n_points++] = pt; st = S_Q; break; default: return false; } pt.x = source->points[j].x; pt.y = -source->points[j].y; assert(outline->n_points < outline->max_points); outline->points[outline->n_points++] = pt; for (j++; j <= last; j++) { if (!valid_point(source->points + j)) return false; switch (FT_CURVE_TAG(source->tags[j])) { case FT_CURVE_TAG_ON: switch (st) { case S_ON: seg = OUTLINE_LINE_SEGMENT; break; case S_Q: seg = OUTLINE_QUADRATIC_SPLINE; break; case S_C2: seg = OUTLINE_CUBIC_SPLINE; break; default: return false; } assert(outline->n_segments < outline->max_segments); outline->segments[outline->n_segments++] = seg; st = S_ON; break; case FT_CURVE_TAG_CONIC: switch (st) { case S_ON: st = S_Q; break; case S_Q: assert(outline->n_segments < outline->max_segments); outline->segments[outline->n_segments++] = OUTLINE_QUADRATIC_SPLINE; pt.x = (pt.x + source->points[j].x) >> 1; pt.y = (pt.y - source->points[j].y) >> 1; assert(outline->n_points < outline->max_points); outline->points[outline->n_points++] = pt; break; default: return false; } break; case FT_CURVE_TAG_CUBIC: switch (st) { case S_ON: st = S_C1; break; case S_C1: st = S_C2; break; default: return false; } break; default: return false; } pt.x = source->points[j].x; pt.y = -source->points[j].y; assert(outline->n_points < outline->max_points); outline->points[outline->n_points++] = pt; } switch (st) { case S_ON: seg = OUTLINE_LINE_SEGMENT | OUTLINE_CONTOUR_END; break; case S_Q: seg = OUTLINE_QUADRATIC_SPLINE | OUTLINE_CONTOUR_END; break; case S_C2: seg = OUTLINE_CUBIC_SPLINE | OUTLINE_CONTOUR_END; break; default: return false; } assert(outline->n_segments < outline->max_segments); outline->segments[outline->n_segments++] = seg; j += skip_last; } return true; } /* * \brief Add a rectangle to the outline * Outline should be preallocated to a sufficient size * and coordinates should be in the allowable range. */ void ass_outline_add_rect(ASS_Outline *outline, int32_t x0, int32_t y0, int32_t x1, int32_t y1) { assert(outline->n_points + 4 <= outline->max_points); assert(outline->n_segments + 4 <= outline->max_segments); assert(abs(x0) <= OUTLINE_MAX && abs(y0) <= OUTLINE_MAX); assert(abs(x1) <= OUTLINE_MAX && abs(y1) <= OUTLINE_MAX); assert(!outline->n_segments || (outline->segments[outline->n_segments - 1] & OUTLINE_CONTOUR_END)); size_t pos = outline->n_points; outline->points[pos + 0].x = outline->points[pos + 3].x = x0; outline->points[pos + 1].x = outline->points[pos + 2].x = x1; outline->points[pos + 0].y = outline->points[pos + 1].y = y0; outline->points[pos + 2].y = outline->points[pos + 3].y = y1; outline->n_points = pos + 4; pos = outline->n_segments; outline->segments[pos + 0] = OUTLINE_LINE_SEGMENT; outline->segments[pos + 1] = OUTLINE_LINE_SEGMENT; outline->segments[pos + 2] = OUTLINE_LINE_SEGMENT; outline->segments[pos + 3] = OUTLINE_LINE_SEGMENT | OUTLINE_CONTOUR_END; outline->n_segments = pos + 4; } /* * \brief Add a single point to the outline * Outline should be allocated and will be enlarged if needed. * Also adds outline segment if segment parameter is nonzero. */ bool ass_outline_add_point(ASS_Outline *outline, ASS_Vector pt, char segment) { assert(outline->max_points); if (abs(pt.x) > OUTLINE_MAX || abs(pt.y) > OUTLINE_MAX) return false; if (outline->n_points >= outline->max_points) { size_t new_size = 2 * outline->max_points; if (!ASS_REALLOC_ARRAY(outline->points, new_size)) return false; outline->max_points = new_size; } outline->points[outline->n_points] = pt; outline->n_points++; return !segment || ass_outline_add_segment(outline, segment); } /* * \brief Add a segment to the outline * Outline should be allocated and will be enlarged if needed. */ bool ass_outline_add_segment(ASS_Outline *outline, char segment) { assert(outline->max_segments); if (outline->n_segments >= outline->max_segments) { size_t new_size = 2 * outline->max_segments; if (!ASS_REALLOC_ARRAY(outline->segments, new_size)) return false; outline->max_segments = new_size; } outline->segments[outline->n_segments] = segment; outline->n_segments++; return true; } /* * \brief Close last contour */ void ass_outline_close_contour(ASS_Outline *outline) { assert(outline->n_segments); assert(!(outline->segments[outline->n_segments - 1] & ~OUTLINE_COUNT_MASK)); outline->segments[outline->n_segments - 1] |= OUTLINE_CONTOUR_END; } /* * \brief Inplace rotate outline by 90 degrees and translate by offs */ bool ass_outline_rotate_90(ASS_Outline *outline, ASS_Vector offs) { assert(abs(offs.x) <= INT32_MAX - OUTLINE_MAX); assert(abs(offs.y) <= INT32_MAX - OUTLINE_MAX); for (size_t i = 0; i < outline->n_points; i++) { ASS_Vector pt = { offs.x + outline->points[i].y, offs.y - outline->points[i].x }; if (abs(pt.x) > OUTLINE_MAX || abs(pt.y) > OUTLINE_MAX) return false; outline->points[i] = pt; } return true; } /* * \brief Scale outline by {2^scale_ord_x, 2^scale_ord_y} * Result outline should be uninitialized or empty. * Source outline can be NULL. */ bool ass_outline_scale_pow2(ASS_Outline *outline, const ASS_Outline *source, int scale_ord_x, int scale_ord_y) { if (!source || !source->n_points) { ass_outline_clear(outline); return true; } int32_t lim_x = OUTLINE_MAX; if (scale_ord_x > 0) lim_x = scale_ord_x < 32 ? lim_x >> scale_ord_x : 0; else scale_ord_x = FFMAX(scale_ord_x, -32); int32_t lim_y = OUTLINE_MAX; if (scale_ord_y > 0) lim_y = scale_ord_y < 32 ? lim_y >> scale_ord_y : 0; else scale_ord_y = FFMAX(scale_ord_y, -32); if (!lim_x || !lim_y) { ass_outline_clear(outline); return false; } if (!ass_outline_alloc(outline, source->n_points, source->n_segments)) return false; int sx = scale_ord_x + 32; int sy = scale_ord_y + 32; const ASS_Vector *pt = source->points; for (size_t i = 0; i < source->n_points; i++) { if (abs(pt[i].x) > lim_x || abs(pt[i].y) > lim_y) { ass_outline_free(outline); return false; } // that's equivalent to pt[i].x << scale_ord_x, // but works even for negative coordinate and/or shift amount outline->points[i].x = pt[i].x * ((int64_t) 1 << sx) >> 32; outline->points[i].y = pt[i].y * ((int64_t) 1 << sy) >> 32; } memcpy(outline->segments, source->segments, source->n_segments); outline->n_points = source->n_points; outline->n_segments = source->n_segments; return true; } /* * \brief Transform outline by 2x3 matrix * Result outline should be uninitialized or empty. * Source outline can be NULL. */ bool ass_outline_transform_2d(ASS_Outline *outline, const ASS_Outline *source, const double m[2][3]) { if (!source || !source->n_points) { ass_outline_clear(outline); return true; } if (!ass_outline_alloc(outline, source->n_points, source->n_segments)) return false; const ASS_Vector *pt = source->points; for (size_t i = 0; i < source->n_points; i++) { double v[2]; for (int k = 0; k < 2; k++) v[k] = m[k][0] * pt[i].x + m[k][1] * pt[i].y + m[k][2]; if (!(fabs(v[0]) < OUTLINE_MAX && fabs(v[1]) < OUTLINE_MAX)) { ass_outline_free(outline); return false; } outline->points[i].x = lrint(v[0]); outline->points[i].y = lrint(v[1]); } memcpy(outline->segments, source->segments, source->n_segments); outline->n_points = source->n_points; outline->n_segments = source->n_segments; return true; } /* * \brief Apply perspective transform by 3x3 matrix to the outline * Result outline should be uninitialized or empty. * Source outline can be NULL. */ bool ass_outline_transform_3d(ASS_Outline *outline, const ASS_Outline *source, const double m[3][3]) { if (!source || !source->n_points) { ass_outline_clear(outline); return true; } if (!ass_outline_alloc(outline, source->n_points, source->n_segments)) return false; const ASS_Vector *pt = source->points; for (size_t i = 0; i < source->n_points; i++) { double v[3]; for (int k = 0; k < 3; k++) v[k] = m[k][0] * pt[i].x + m[k][1] * pt[i].y + m[k][2]; double w = 1 / FFMAX(v[2], 0.1); v[0] *= w; v[1] *= w; if (!(fabs(v[0]) < OUTLINE_MAX && fabs(v[1]) < OUTLINE_MAX)) { ass_outline_free(outline); return false; } outline->points[i].x = lrint(v[0]); outline->points[i].y = lrint(v[1]); } memcpy(outline->segments, source->segments, source->n_segments); outline->n_points = source->n_points; outline->n_segments = source->n_segments; return true; } /* * \brief Find minimal X-coordinate of control points after perspective transform */ void ass_outline_update_min_transformed_x(const ASS_Outline *outline, const double m[3][3], int32_t *min_x) { const ASS_Vector *pt = outline->points; for (size_t i = 0; i < outline->n_points; i++) { double z = m[2][0] * pt[i].x + m[2][1] * pt[i].y + m[2][2]; double x = (m[0][0] * pt[i].x + m[0][1] * pt[i].y + m[0][2]) / FFMAX(z, 0.1); if (isnan(x)) continue; int32_t ix = lrint(FFMINMAX(x, -OUTLINE_MAX, OUTLINE_MAX)); *min_x = FFMIN(*min_x, ix); } } /* * \brief Update bounding box of control points */ void ass_outline_update_cbox(const ASS_Outline *outline, ASS_Rect *cbox) { for (size_t i = 0; i < outline->n_points; i++) rectangle_update(cbox, outline->points[i].x, outline->points[i].y, outline->points[i].x, outline->points[i].y); } /* * Outline Stroke Algorithm * * Goal: * Given source outline, construct two border outlines, such as that * for any point inside any border outline (nonzero winding rule) * minimal distance to points of source outline (same rule) * is less than 1 with given precision, and for any point outside * both border outlines minimal distance is more than approximately 1. * Distance here is defined in normal space that is scaled by [1 / xbord, 1 / ybord]. * Correspondingly distance is equal to hypot(dx / xbord, dy / ybord) and * approximate allowable error is eps / max(xbord, ybord). * * Two border outlines correspond to ±1 offset curves and * are required in case of self-intersecting source outline. * * Each of source segment that can be line segment, quadratic or cubic spline, * and also connection between them is stroked mostly independently. * Line segments can be offset quite straightforwardly. * For splines algorithm first tries to offset individual points, * then estimates error of such approximation and subdivide recursively if necessary. * * List of border cases handled by this algorithm: * 1) Too close points lead to random derivatives or even division by zero. * Algorithm solves that by merging such points into one. * 2) Degenerate cases--near zero derivative at some spline points. * Algorithm adds circular cap in such cases. * 3) Negative curvature--offset amount is larger than radius of curvature. * Algorithm checks if produced splines can potentially have self-intersection * and handles them accordingly. It's mostly done by skipping * problematic spline and replacing it with polyline that covers only * positive winging part of mathematical offset curve. * * Error estimation for splines is done by analyzing offset spline. * Offset spline is the difference between result and source spline in normal space. * Such spline should consist of vectors with length 1 and orthogonal to source spline. * Correspondingly error estimator have radial and angular part. * * Useful facts about B-splines. * 1) Derivative of B-spline of order N is B-spline of order N-1. * 2) Multiplication of B-splines of order N and M is B-spline of order N+M. * 3) B-spline is fully contained inside convex hull of its control points. * * So, for radial error it's possible to check only control points of * offset spline multiplication by itself. And for angular error it's * possible to check control points of cross and dot product between * offset spline and derivative spline. */ typedef struct { ASS_DVector v; double len; } Normal; typedef struct { ASS_Outline *result[2]; // result outlines size_t contour_first[2]; // start position of last contours double xbord, ybord; // border sizes double xscale, yscale; // inverse border sizes int eps; // allowable error in coordinate space // true if where are points in current contour bool contour_start; // skip flags for first and last point int first_skip, last_skip; // normal at first and last point ASS_DVector first_normal, last_normal; // first and last points of current contour ASS_Vector first_point, last_point; // cosinus of maximal angle that do not require cap double merge_cos; // cosinus of maximal angle of circular arc that can be approximated with quadratic spline double split_cos; // maximal distance between control points in normal space that triggers handling of degenerates double min_len; // constant that used in exact radial error checking in quadratic case double err_q; // constant that used in approximate radial error checking in cubic case double err_c; // tangent of maximal angular error double err_a; } StrokerState; /** * \brief 2D vector dot product */ static inline double vec_dot(ASS_DVector vec1, ASS_DVector vec2) { return vec1.x * vec2.x + vec1.y * vec2.y; } /** * \brief 2D vector cross product */ static inline double vec_crs(ASS_DVector vec1, ASS_DVector vec2) { return vec1.x * vec2.y - vec1.y * vec2.x; } /** * \brief 2D vector length */ static inline double vec_len(ASS_DVector vec) { return sqrt(vec.x * vec.x + vec.y * vec.y); } /** * \brief Add point to one or two border outlines * \param str stroker state * \param pt source point * \param offs offset in normal space * \param segment outline segment type * \param dir destination outline flags * \return false on allocation failure */ static bool emit_point(StrokerState *str, ASS_Vector pt, ASS_DVector offs, char segment, int dir) { int32_t dx = (int32_t) (str->xbord * offs.x); int32_t dy = (int32_t) (str->ybord * offs.y); if (dir & 1) { ASS_Vector res = { pt.x + dx, pt.y + dy }; if (!ass_outline_add_point(str->result[0], res, segment)) return false; } if (dir & 2) { ASS_Vector res = { pt.x - dx, pt.y - dy }; if (!ass_outline_add_point(str->result[1], res, segment)) return false; } return true; } /** * \brief Replace first point of current contour * \param str stroker state * \param pt source point * \param offs offset in normal space * \param dir destination outline flags */ static void fix_first_point(StrokerState *str, ASS_Vector pt, ASS_DVector offs, int dir) { int32_t dx = (int32_t) (str->xbord * offs.x); int32_t dy = (int32_t) (str->ybord * offs.y); if (dir & 1) { ASS_Vector res = { pt.x + dx, pt.y + dy }; ASS_Outline *ol = str->result[0]; ol->points[str->contour_first[0]] = res; } if (dir & 2) { ASS_Vector res = { pt.x - dx, pt.y - dy }; ASS_Outline *ol = str->result[1]; ol->points[str->contour_first[1]] = res; } } /** * \brief Helper function for circular arc construction * \param str stroker state * \param pt center point * \param normal0 first normal * \param normal1 last normal * \param mul precalculated coefficients * \param level subdivision level * \param dir destination outline flags * \return false on allocation failure */ static bool process_arc(StrokerState *str, ASS_Vector pt, ASS_DVector normal0, ASS_DVector normal1, const double *mul, int level, int dir) { ASS_DVector center; center.x = (normal0.x + normal1.x) * mul[level]; center.y = (normal0.y + normal1.y) * mul[level]; if (level) return process_arc(str, pt, normal0, center, mul, level - 1, dir) && process_arc(str, pt, center, normal1, mul, level - 1, dir); return emit_point(str, pt, normal0, OUTLINE_QUADRATIC_SPLINE, dir) && emit_point(str, pt, center, 0, dir); } /** * \brief Construct circular arc * \param str stroker state * \param pt center point * \param normal0 first normal * \param normal1 last normal * \param c dot product between normal0 and normal1 * \param dir destination outline flags * \return false on allocation failure */ static bool draw_arc(StrokerState *str, ASS_Vector pt, ASS_DVector normal0, ASS_DVector normal1, double c, int dir) { enum { max_subdiv = 15 }; double mul[max_subdiv + 1]; ASS_DVector center; bool small_angle = true; if (c < 0) { double mul = dir & 2 ? -sqrt(0.5) : sqrt(0.5); mul /= sqrt(1 - c); center.x = (normal1.y - normal0.y) * mul; center.y = (normal0.x - normal1.x) * mul; c = sqrt(FFMAX(0, 0.5 + 0.5 * c)); small_angle = false; } int pos = max_subdiv; while (c < str->split_cos && pos) { mul[pos] = sqrt(0.5) / sqrt(1 + c); c = (1 + c) * mul[pos]; pos--; } mul[pos] = 1 / (1 + c); return small_angle ? process_arc(str, pt, normal0, normal1, mul + pos, max_subdiv - pos, dir) : process_arc(str, pt, normal0, center, mul + pos, max_subdiv - pos, dir) && process_arc(str, pt, center, normal1, mul + pos, max_subdiv - pos, dir); } /** * \brief Construct full circle * \param str stroker state * \param pt center point * \param dir destination outline flags * \return false on allocation failure */ static bool draw_circle(StrokerState *str, ASS_Vector pt, int dir) { enum { max_subdiv = 15 }; double mul[max_subdiv + 1], c = 0; int pos = max_subdiv; while (c < str->split_cos && pos) { mul[pos] = sqrt(0.5) / sqrt(1 + c); c = (1 + c) * mul[pos]; pos--; } mul[pos] = 1 / (1 + c); ASS_DVector normal[4] = { { 1, 0 }, { 0, 1 }, { -1, 0 }, { 0, -1 } }; return process_arc(str, pt, normal[0], normal[1], mul + pos, max_subdiv - pos, dir) && process_arc(str, pt, normal[1], normal[2], mul + pos, max_subdiv - pos, dir) && process_arc(str, pt, normal[2], normal[3], mul + pos, max_subdiv - pos, dir) && process_arc(str, pt, normal[3], normal[0], mul + pos, max_subdiv - pos, dir); } /** * \brief Start new segment and add circular cap if necessary * \param str stroker state * \param pt start point of the new segment * \param normal normal at start of the new segment * \param dir destination outline flags * \return false on allocation failure */ static bool start_segment(StrokerState *str, ASS_Vector pt, ASS_DVector normal, int dir) { if (str->contour_start) { str->contour_start = false; str->first_skip = str->last_skip = 0; str->first_normal = str->last_normal = normal; str->first_point = pt; return true; } ASS_DVector prev = str->last_normal; double c = vec_dot(prev, normal); if (c > str->merge_cos) { // merge without cap double mul = 1 / (1 + c); str->last_normal.x = (str->last_normal.x + normal.x) * mul; str->last_normal.y = (str->last_normal.y + normal.y) * mul; return true; } str->last_normal = normal; // check for negative curvature double s = vec_crs(prev, normal); int skip_dir = s < 0 ? 1 : 2; if (dir & skip_dir) { if (!emit_point(str, pt, prev, OUTLINE_LINE_SEGMENT, ~str->last_skip & skip_dir)) return false; ASS_DVector zero_normal = {0, 0}; if (!emit_point(str, pt, zero_normal, OUTLINE_LINE_SEGMENT, skip_dir)) return false; } str->last_skip = skip_dir; dir &= ~skip_dir; return !dir || draw_arc(str, pt, prev, normal, c, dir); } /** * \brief Same as emit_point() but also updates skip flags */ static bool emit_first_point(StrokerState *str, ASS_Vector pt, char segment, int dir) { str->last_skip &= ~dir; return emit_point(str, pt, str->last_normal, segment, dir); } /** * \brief Prepare to skip part of curve * \param str stroker state * \param pt start point of the skipped part * \param dir destination outline flags * \param first true if the skipped part is at start of the segment * \return false on allocation failure */ static bool prepare_skip(StrokerState *str, ASS_Vector pt, int dir, bool first) { if (first) str->first_skip |= dir; else if (!emit_point(str, pt, str->last_normal, OUTLINE_LINE_SEGMENT, ~str->last_skip & dir)) return false; str->last_skip |= dir; return true; } /** * \brief Process source line segment * \param str stroker state * \param pt1 end point of the line segment * \param dir destination outline flags * \return false on allocation failure */ static bool add_line(StrokerState *str, ASS_Vector pt1, int dir) { int32_t dx = pt1.x - str->last_point.x; int32_t dy = pt1.y - str->last_point.y; if (dx > -str->eps && dx < str->eps && dy > -str->eps && dy < str->eps) return true; ASS_DVector deriv = { dy * str->yscale, -dx * str->xscale }; double scale = 1 / vec_len(deriv); ASS_DVector normal = { deriv.x * scale, deriv.y * scale }; if (!start_segment(str, str->last_point, normal, dir)) return false; if (!emit_first_point(str, str->last_point, OUTLINE_LINE_SEGMENT, dir)) return false; str->last_normal = normal; str->last_point = pt1; return true; } /** * \brief Estimate error for quadratic spline * \param str stroker state * \param c dot product between normal[0] and normal[1] * \param s cross product between normal[0] and normal[1] * \param normal first and last spline normal * \param result best offset for central spline point * \return false if error is too large */ static bool estimate_quadratic_error(StrokerState *str, double c, double s, const Normal *normal, ASS_DVector *result) { // check radial error if (!((3 + c) * (3 + c) < str->err_q * (1 + c))) return false; double mul = 1 / (1 + c); double l0 = 2 * normal[0].len, l1 = 2 * normal[1].len; double dot0 = l0 + normal[1].len * c, crs0 = (l0 * mul - normal[1].len) * s; double dot1 = l1 + normal[0].len * c, crs1 = (l1 * mul - normal[0].len) * s; // check angular error if (!(fabs(crs0) < str->err_a * dot0 && fabs(crs1) < str->err_a * dot1)) return false; result->x = (normal[0].v.x + normal[1].v.x) * mul; result->y = (normal[0].v.y + normal[1].v.y) * mul; return true; } /** * \brief Helper function for quadratic spline construction * \param str stroker state * \param pt array of 3 source spline points * \param deriv array of 2 differences between adjacent points in normal space * \param normal first and last spline normal * \param dir destination outline flags * \param first true if the current part is at start of the segment * \return false on allocation failure */ static bool process_quadratic(StrokerState *str, const ASS_Vector *pt, const ASS_DVector *deriv, const Normal *normal, int dir, bool first) { double c = vec_dot(normal[0].v, normal[1].v); double s = vec_crs(normal[0].v, normal[1].v); int check_dir = dir, skip_dir = s < 0 ? 1 : 2; if (dir & skip_dir) { double abs_s = fabs(s); double f0 = normal[0].len * c + normal[1].len; double f1 = normal[1].len * c + normal[0].len; double g0 = normal[0].len * abs_s; double g1 = normal[1].len * abs_s; // check for self-intersection if (f0 < abs_s && f1 < abs_s) { double d2 = (f0 * normal[1].len + f1 * normal[0].len) / 2; if (d2 < g0 && d2 < g1) { if (!prepare_skip(str, pt[0], skip_dir, first)) return false; if (f0 < 0 || f1 < 0) { ASS_DVector zero_normal = {0, 0}; if (!emit_point(str, pt[0], zero_normal, OUTLINE_LINE_SEGMENT, skip_dir) || !emit_point(str, pt[2], zero_normal, OUTLINE_LINE_SEGMENT, skip_dir)) return false; } else { double mul = f0 / abs_s; ASS_DVector offs = { normal[0].v.x * mul, normal[0].v.y * mul }; if (!emit_point(str, pt[0], offs, OUTLINE_LINE_SEGMENT, skip_dir)) return false; } dir &= ~skip_dir; if (!dir) { str->last_normal = normal[1].v; return true; } } check_dir ^= skip_dir; } else if (c + g0 < 1 && c + g1 < 1) check_dir ^= skip_dir; } ASS_DVector result; if (check_dir && estimate_quadratic_error(str, c, s, normal, &result)) { if (!emit_first_point(str, pt[0], OUTLINE_QUADRATIC_SPLINE, check_dir)) return false; if (!emit_point(str, pt[1], result, 0, check_dir)) return false; dir &= ~check_dir; if (!dir) { str->last_normal = normal[1].v; return true; } } ASS_Vector next[5]; next[1].x = pt[0].x + pt[1].x; next[1].y = pt[0].y + pt[1].y; next[3].x = pt[1].x + pt[2].x; next[3].y = pt[1].y + pt[2].y; next[2].x = (next[1].x + next[3].x + 2) >> 2; next[2].y = (next[1].y + next[3].y + 2) >> 2; next[1].x >>= 1; next[1].y >>= 1; next[3].x >>= 1; next[3].y >>= 1; next[0] = pt[0]; next[4] = pt[2]; ASS_DVector next_deriv[3]; next_deriv[0].x = deriv[0].x / 2; next_deriv[0].y = deriv[0].y / 2; next_deriv[2].x = deriv[1].x / 2; next_deriv[2].y = deriv[1].y / 2; next_deriv[1].x = (next_deriv[0].x + next_deriv[2].x) / 2; next_deriv[1].y = (next_deriv[0].y + next_deriv[2].y) / 2; double len = vec_len(next_deriv[1]); if (len < str->min_len) { // check degenerate case if (!emit_first_point(str, next[0], OUTLINE_LINE_SEGMENT, dir)) return false; if (!start_segment(str, next[2], normal[1].v, dir)) return false; str->last_skip &= ~dir; return emit_point(str, next[2], normal[1].v, OUTLINE_LINE_SEGMENT, dir); } double scale = 1 / len; Normal next_normal[3] = { { normal[0].v, normal[0].len / 2 }, { { next_deriv[1].x * scale, next_deriv[1].y * scale }, len }, { normal[1].v, normal[1].len / 2 } }; return process_quadratic(str, next + 0, next_deriv + 0, next_normal + 0, dir, first) && process_quadratic(str, next + 2, next_deriv + 1, next_normal + 1, dir, false); } /** * \brief Process source quadratic spline * \param str stroker state * \param pt1 middle control point * \param pt2 final spline point * \param dir destination outline flags * \return false on allocation failure */ static bool add_quadratic(StrokerState *str, ASS_Vector pt1, ASS_Vector pt2, int dir) { int32_t dx0 = pt1.x - str->last_point.x; int32_t dy0 = pt1.y - str->last_point.y; if (dx0 > -str->eps && dx0 < str->eps && dy0 > -str->eps && dy0 < str->eps) return add_line(str, pt2, dir); int32_t dx1 = pt2.x - pt1.x; int32_t dy1 = pt2.y - pt1.y; if (dx1 > -str->eps && dx1 < str->eps && dy1 > -str->eps && dy1 < str->eps) return add_line(str, pt2, dir); ASS_Vector pt[3] = { str->last_point, pt1, pt2 }; str->last_point = pt2; ASS_DVector deriv[2] = { { dy0 * str->yscale, -dx0 * str->xscale }, { dy1 * str->yscale, -dx1 * str->xscale } }; double len0 = vec_len(deriv[0]), scale0 = 1 / len0; double len1 = vec_len(deriv[1]), scale1 = 1 / len1; Normal normal[2] = { { { deriv[0].x * scale0, deriv[0].y * scale0 }, len0 }, { { deriv[1].x * scale1, deriv[1].y * scale1 }, len1 } }; bool first = str->contour_start; return start_segment(str, pt[0], normal[0].v, dir) && process_quadratic(str, pt, deriv, normal, dir, first); } enum { FLAG_INTERSECTION = 1, FLAG_ZERO_0 = 2, FLAG_ZERO_1 = 4, FLAG_CLIP_0 = 8, FLAG_CLIP_1 = 16, FLAG_DIR_2 = 32, FLAG_COUNT = 6, MASK_INTERSECTION = FLAG_INTERSECTION << FLAG_COUNT, MASK_ZERO_0 = FLAG_ZERO_0 << FLAG_COUNT, MASK_ZERO_1 = FLAG_ZERO_1 << FLAG_COUNT, MASK_CLIP_0 = FLAG_CLIP_0 << FLAG_COUNT, MASK_CLIP_1 = FLAG_CLIP_1 << FLAG_COUNT, }; /** * \brief Estimate error for cubic spline * \param str stroker state * \param c dot product between normal[0] and normal[1] * \param s cross product between normal[0] and normal[1] * \param dc dot products between normals and central points difference in normal space * \param dc cross products between normals and central points difference in normal space * \param normal first and last spline normal * \param result best offsets for central spline points (second & third) * \return flags for destination outlines that do not require subdivision */ static int estimate_cubic_error(StrokerState *str, double c, double s, const double *dc, const double *ds, const Normal *normal, ASS_DVector *result, int check_flags, int dir) { double t = (ds[0] + ds[1]) / (dc[0] + dc[1]), c1 = 1 + c, ss = s * s; double ts = t * s, tt = t * t, ttc = tt * c1, ttcc = ttc * c1; const double w = 0.4; double f0[] = { 10 * w * (c - 1) + 9 * w * tt * c, 2 * (c - 1) + 3 * tt + 2 * ts, 2 * (c - 1) + 3 * tt - 2 * ts, }; double f1[] = { 18 * w * (ss - ttc * c), 2 * ss - 6 * ttc - 2 * ts * (c + 4), 2 * ss - 6 * ttc + 2 * ts * (c + 4), }; double f2[] = { 9 * w * (ttcc - ss) * c, 3 * ss + 3 * ttcc + 6 * ts * c1, 3 * ss + 3 * ttcc - 6 * ts * c1, }; double aa = 0, ab = 0; double ch = sqrt(c1 / 2); double inv_ro0 = 1.5 * ch * (ch + 1); for (int i = 0; i < 3; i++) { double a = 2 * f2[i] + f1[i] * inv_ro0; double b = f2[i] - f0[i] * inv_ro0 * inv_ro0; aa += a * a; ab += a * b; } double ro = ab / (aa * inv_ro0 + 1e-9); // best fit double err2 = 0; for (int i = 0; i < 3; i++) { double err = f0[i] + ro * (f1[i] + ro * f2[i]); err2 += err * err; } if (!(err2 < str->err_c)) // check radial error return 0; double r = ro * c1 - 1; double ro0 = t * r - ro * s; double ro1 = t * r + ro * s; int check_dir = check_flags & FLAG_DIR_2 ? 2 : 1; if (dir & check_dir) { double test_s = s, test0 = ro0, test1 = ro1; if (check_flags & FLAG_DIR_2) { test_s = -test_s; test0 = -test0; test1 = -test1; } int flags = 0; if (2 * test_s * r < dc[0] + dc[1]) flags |= FLAG_INTERSECTION; if (normal[0].len - test0 < 0) flags |= FLAG_ZERO_0; if (normal[1].len + test1 < 0) flags |= FLAG_ZERO_1; if (normal[0].len + dc[0] + test_s - test1 * c < 0) flags |= FLAG_CLIP_0; if (normal[1].len + dc[1] + test_s + test0 * c < 0) flags |= FLAG_CLIP_1; if ((flags ^ check_flags) & (check_flags >> FLAG_COUNT)) { dir &= ~check_dir; if (!dir) return 0; } } double d0c = 2 * dc[0], d0s = 2 * ds[0]; double d1c = 2 * dc[1], d1s = 2 * ds[1]; double dot0 = d0c + 3 * normal[0].len, crs0 = d0s + 3 * ro0 * normal[0].len; double dot1 = d1c + 3 * normal[1].len, crs1 = d1s + 3 * ro1 * normal[1].len; // check angular error (stage 1) if (!(fabs(crs0) < str->err_a * dot0 && fabs(crs1) < str->err_a * dot1)) return 0; double cl0 = c * normal[0].len, sl0 = +s * normal[0].len; double cl1 = c * normal[1].len, sl1 = -s * normal[1].len; dot0 = d0c - ro0 * d0s + cl0 + ro1 * sl0 + cl1 / 3; dot1 = d1c - ro1 * d1s + cl1 + ro0 * sl1 + cl0 / 3; crs0 = d0s + ro0 * d0c - sl0 + ro1 * cl0 - sl1 / 3; crs1 = d1s + ro1 * d1c - sl1 + ro0 * cl1 - sl0 / 3; // check angular error (stage 2) if (!(fabs(crs0) < str->err_a * dot0 && fabs(crs1) < str->err_a * dot1)) return 0; result[0].x = normal[0].v.x + normal[0].v.y * ro0; result[0].y = normal[0].v.y - normal[0].v.x * ro0; result[1].x = normal[1].v.x + normal[1].v.y * ro1; result[1].y = normal[1].v.y - normal[1].v.x * ro1; return dir; } /** * \brief Helper function for cubic spline construction * \param str stroker state * \param pt array of 4 source spline points * \param deriv array of 3 differences between adjacent points in normal space * \param normal first and last spline normal * \param dir destination outline flags * \param first true if the current part is at start of the segment * \return false on allocation failure */ static bool process_cubic(StrokerState *str, const ASS_Vector *pt, const ASS_DVector *deriv, const Normal *normal, int dir, bool first) { double c = vec_dot(normal[0].v, normal[1].v); double s = vec_crs(normal[0].v, normal[1].v); double dc[] = { vec_dot(normal[0].v, deriv[1]), vec_dot(normal[1].v, deriv[1]) }; double ds[] = { vec_crs(normal[0].v, deriv[1]), vec_crs(normal[1].v, deriv[1]) }; double f0 = normal[0].len * c + normal[1].len + dc[1]; double f1 = normal[1].len * c + normal[0].len + dc[0]; double g0 = normal[0].len * s - ds[1]; double g1 = normal[1].len * s + ds[0]; double abs_s = s; int check_dir = dir, skip_dir = 2; int flags = FLAG_INTERSECTION | FLAG_DIR_2; if (s < 0) { abs_s = -s; skip_dir = 1; flags = 0; g0 = -g0; g1 = -g1; } if (!(dc[0] + dc[1] > 0)) check_dir = 0; else if (dir & skip_dir) { if (f0 < abs_s && f1 < abs_s) { // check for self-intersection double d2 = (f0 + dc[1]) * normal[1].len + (f1 + dc[0]) * normal[0].len; d2 = (d2 + vec_dot(deriv[1], deriv[1])) / 2; if (d2 < g0 && d2 < g1) { double q = sqrt(d2 / (2 - d2)); double h0 = (f0 * q + g0) * normal[1].len; double h1 = (f1 * q + g1) * normal[0].len; q *= (4.0 / 3) * d2; if (h0 > q && h1 > q) { if (!prepare_skip(str, pt[0], skip_dir, first)) return false; if (f0 < 0 || f1 < 0) { ASS_DVector zero_normal = {0, 0}; if (!emit_point(str, pt[0], zero_normal, OUTLINE_LINE_SEGMENT, skip_dir) || !emit_point(str, pt[3], zero_normal, OUTLINE_LINE_SEGMENT, skip_dir)) return false; } else { double mul = f0 / abs_s; ASS_DVector offs = { normal[0].v.x * mul, normal[0].v.y * mul }; if (!emit_point(str, pt[0], offs, OUTLINE_LINE_SEGMENT, skip_dir)) return false; } dir &= ~skip_dir; if (!dir) { str->last_normal = normal[1].v; return true; } } } check_dir ^= skip_dir; } else { if (ds[0] < 0) flags ^= MASK_INTERSECTION; if (ds[1] < 0) flags ^= MASK_INTERSECTION | FLAG_INTERSECTION; bool parallel = flags & MASK_INTERSECTION; int badness = parallel ? 0 : 1; if (c + g0 < 1) { if (parallel) { flags ^= MASK_ZERO_0 | FLAG_ZERO_0; if (c < 0) flags ^= MASK_CLIP_0; if (f0 > abs_s) flags ^= FLAG_ZERO_0 | FLAG_CLIP_0; } badness++; } else { flags ^= MASK_INTERSECTION | FLAG_INTERSECTION; if (!parallel) { flags ^= MASK_ZERO_0; if (c > 0) flags ^= MASK_CLIP_0; } } if (c + g1 < 1) { if (parallel) { flags ^= MASK_ZERO_1 | FLAG_ZERO_1; if (c < 0) flags ^= MASK_CLIP_1; if (f1 > abs_s) flags ^= FLAG_ZERO_1 | FLAG_CLIP_1; } badness++; } else { flags ^= MASK_INTERSECTION; if (!parallel) { flags ^= MASK_ZERO_1; if (c > 0) flags ^= MASK_CLIP_1; } } if (badness > 2) check_dir ^= skip_dir; } } ASS_DVector result[2]; if (check_dir) check_dir = estimate_cubic_error(str, c, s, dc, ds, normal, result, flags, check_dir); if (check_dir) { if (!emit_first_point(str, pt[0], OUTLINE_CUBIC_SPLINE, check_dir)) return false; if (!emit_point(str, pt[1], result[0], 0, check_dir) || !emit_point(str, pt[2], result[1], 0, check_dir)) return false; dir &= ~check_dir; if (!dir) { str->last_normal = normal[1].v; return true; } } ASS_Vector next[7], center; next[1].x = pt[0].x + pt[1].x; next[1].y = pt[0].y + pt[1].y; center.x = pt[1].x + pt[2].x + 2; center.y = pt[1].y + pt[2].y + 2; next[5].x = pt[2].x + pt[3].x; next[5].y = pt[2].y + pt[3].y; next[2].x = next[1].x + center.x; next[2].y = next[1].y + center.y; next[4].x = center.x + next[5].x; next[4].y = center.y + next[5].y; next[3].x = (next[2].x + next[4].x - 1) >> 3; next[3].y = (next[2].y + next[4].y - 1) >> 3; next[2].x >>= 2; next[2].y >>= 2; next[4].x >>= 2; next[4].y >>= 2; next[1].x >>= 1; next[1].y >>= 1; next[5].x >>= 1; next[5].y >>= 1; next[0] = pt[0]; next[6] = pt[3]; ASS_DVector next_deriv[5], center_deriv; next_deriv[0].x = deriv[0].x / 2; next_deriv[0].y = deriv[0].y / 2; center_deriv.x = deriv[1].x / 2; center_deriv.y = deriv[1].y / 2; next_deriv[4].x = deriv[2].x / 2; next_deriv[4].y = deriv[2].y / 2; next_deriv[1].x = (next_deriv[0].x + center_deriv.x) / 2; next_deriv[1].y = (next_deriv[0].y + center_deriv.y) / 2; next_deriv[3].x = (center_deriv.x + next_deriv[4].x) / 2; next_deriv[3].y = (center_deriv.y + next_deriv[4].y) / 2; next_deriv[2].x = (next_deriv[1].x + next_deriv[3].x) / 2; next_deriv[2].y = (next_deriv[1].y + next_deriv[3].y) / 2; double len = vec_len(next_deriv[2]); if (len < str->min_len) { // check degenerate case Normal next_normal[4]; next_normal[0].v = normal[0].v; next_normal[0].len = normal[0].len / 2; next_normal[3].v = normal[1].v; next_normal[3].len = normal[1].len / 2; next_deriv[1].x += next_deriv[2].x; next_deriv[1].y += next_deriv[2].y; next_deriv[3].x += next_deriv[2].x; next_deriv[3].y += next_deriv[2].y; next_deriv[2].x = next_deriv[2].y = 0; double len1 = vec_len(next_deriv[1]); if (len1 < str->min_len) { next_normal[1] = normal[0]; } else { double scale = 1 / len1; next_normal[1].v.x = next_deriv[1].x * scale; next_normal[1].v.y = next_deriv[1].y * scale; next_normal[1].len = len1; } double len2 = vec_len(next_deriv[3]); if (len2 < str->min_len) { next_normal[2] = normal[1]; } else { double scale = 1 / len2; next_normal[2].v.x = next_deriv[3].x * scale; next_normal[2].v.y = next_deriv[3].y * scale; next_normal[2].len = len2; } if (len1 < str->min_len) { if (!emit_first_point(str, next[0], OUTLINE_LINE_SEGMENT, dir)) return false; } else { if (!process_cubic(str, next + 0, next_deriv + 0, next_normal + 0, dir, first)) return false; } if (!start_segment(str, next[2], next_normal[2].v, dir)) return false; if (len2 < str->min_len) { if (!emit_first_point(str, next[3], OUTLINE_LINE_SEGMENT, dir)) return false; } else { if (!process_cubic(str, next + 3, next_deriv + 2, next_normal + 2, dir, false)) return false; } return true; } double scale = 1 / len; Normal next_normal[3] = { { normal[0].v, normal[0].len / 2 }, { { next_deriv[2].x * scale, next_deriv[2].y * scale }, len }, { normal[1].v, normal[1].len / 2 } }; return process_cubic(str, next + 0, next_deriv + 0, next_normal + 0, dir, first) && process_cubic(str, next + 3, next_deriv + 2, next_normal + 1, dir, false); } /** * \brief Process source cubic spline * \param str stroker state * \param pt1 first middle control point * \param pt2 second middle control point * \param pt3 final spline point * \param dir destination outline flags * \return false on allocation failure */ static bool add_cubic(StrokerState *str, ASS_Vector pt1, ASS_Vector pt2, ASS_Vector pt3, int dir) { int flags = 9; int32_t dx0 = pt1.x - str->last_point.x; int32_t dy0 = pt1.y - str->last_point.y; if (dx0 > -str->eps && dx0 < str->eps && dy0 > -str->eps && dy0 < str->eps) { dx0 = pt2.x - str->last_point.x; dy0 = pt2.y - str->last_point.y; if (dx0 > -str->eps && dx0 < str->eps && dy0 > -str->eps && dy0 < str->eps) return add_line(str, pt3, dir); flags ^= 1; } int32_t dx2 = pt3.x - pt2.x; int32_t dy2 = pt3.y - pt2.y; if (dx2 > -str->eps && dx2 < str->eps && dy2 > -str->eps && dy2 < str->eps) { dx2 = pt3.x - pt1.x; dy2 = pt3.y - pt1.y; if (dx2 > -str->eps && dx2 < str->eps && dy2 > -str->eps && dy2 < str->eps) return add_line(str, pt3, dir); flags ^= 4; } if (flags == 12) return add_line(str, pt3, dir); ASS_Vector pt[4] = { str->last_point, pt1, pt2, pt3 }; str->last_point = pt3; int32_t dx1 = pt[flags >> 2].x - pt[flags & 3].x; int32_t dy1 = pt[flags >> 2].y - pt[flags & 3].y; ASS_DVector deriv[3] = { { dy0 * str->yscale, -dx0 * str->xscale }, { dy1 * str->yscale, -dx1 * str->xscale }, { dy2 * str->yscale, -dx2 * str->xscale } }; double len0 = vec_len(deriv[0]), scale0 = 1 / len0; double len2 = vec_len(deriv[2]), scale2 = 1 / len2; Normal normal[2] = { { { deriv[0].x * scale0, deriv[0].y * scale0 }, len0 }, { { deriv[2].x * scale2, deriv[2].y * scale2 }, len2 } }; bool first = str->contour_start; return start_segment(str, pt[0], normal[0].v, dir) && process_cubic(str, pt, deriv, normal, dir, first); } /** * \brief Process contour closing * \param str stroker state * \param dir destination outline flags * \return false on allocation failure */ static bool close_contour(StrokerState *str, int dir) { if (str->contour_start) { if ((dir & 3) == 3) dir = 1; if (!draw_circle(str, str->last_point, dir)) return false; } else { if (!add_line(str, str->first_point, dir)) return false; if (!start_segment(str, str->first_point, str->first_normal, dir)) return false; if (!emit_point(str, str->first_point, str->first_normal, OUTLINE_LINE_SEGMENT, ~str->last_skip & dir & str->first_skip)) return false; if (str->last_normal.x != str->first_normal.x || str->last_normal.y != str->first_normal.y) fix_first_point(str, str->first_point, str->last_normal, ~str->last_skip & dir & ~str->first_skip); str->contour_start = true; } if (dir & 1) ass_outline_close_contour(str->result[0]); if (dir & 2) ass_outline_close_contour(str->result[1]); str->contour_first[0] = str->result[0]->n_points; str->contour_first[1] = str->result[1]->n_points; return true; } /* * Stroke an outline glyph in x/y direction. * \param result first result outline * \param result1 second result outline * \param path source outline * \param xbord border size in X direction * \param ybord border size in Y direction * \param eps approximate allowable error * \return false on allocation failure */ bool ass_outline_stroke(ASS_Outline *result, ASS_Outline *result1, const ASS_Outline *path, int xbord, int ybord, int eps) { ass_outline_alloc(result, 2 * path->n_points, 2 * path->n_segments); ass_outline_alloc(result1, 2 * path->n_points, 2 * path->n_segments); if (!result->max_points || !result1->max_points) return false; const int dir = 3; int rad = FFMAX(xbord, ybord); assert(rad >= eps && rad <= OUTLINE_MAX); StrokerState str; str.result[0] = result; str.result[1] = result1; str.contour_first[0] = 0; str.contour_first[1] = 0; str.xbord = xbord; str.ybord = ybord; str.xscale = 1.0 / FFMAX(eps, xbord); str.yscale = 1.0 / FFMAX(eps, ybord); str.eps = eps; str.contour_start = true; double rel_err = (double) eps / rad; str.merge_cos = 1 - rel_err; double e = sqrt(2 * rel_err); str.split_cos = 1 + 8 * rel_err - 4 * (1 + rel_err) * e; str.min_len = rel_err / 4; str.err_q = 8 * (1 + rel_err) * (1 + rel_err); str.err_c = 390 * rel_err * rel_err; str.err_a = e; #ifndef NDEBUG for (size_t i = 0; i < path->n_points; i++) assert(abs(path->points[i].x) <= OUTLINE_MAX && abs(path->points[i].y) <= OUTLINE_MAX); #endif ASS_Vector *start = path->points, *cur = start; for (size_t i = 0; i < path->n_segments; i++) { if (start == cur) str.last_point = *start; int n = path->segments[i] & OUTLINE_COUNT_MASK; cur += n; ASS_Vector *end = cur; if (path->segments[i] & OUTLINE_CONTOUR_END) { end = start; start = cur; } switch (n) { case OUTLINE_LINE_SEGMENT: if (!add_line(&str, *end, dir)) return false; break; case OUTLINE_QUADRATIC_SPLINE: if (!add_quadratic(&str, cur[-1], *end, dir)) return false; break; case OUTLINE_CUBIC_SPLINE: if (!add_cubic(&str, cur[-2], cur[-1], *end, dir)) return false; break; default: return false; } if (start == cur && !close_contour(&str, dir)) return false; } assert(start == cur && cur == path->points + path->n_points); return true; } libass-0.17.1/libass/ass_outline.h0000644060175106017510000001071214371314501013767 00000000000000/* * Copyright (C) 2016 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_OUTLINE_H #define LIBASS_OUTLINE_H #include #include FT_OUTLINE_H #include #include #include "ass_utils.h" typedef struct { int32_t x, y; } ASS_Vector; typedef struct { double x, y; } ASS_DVector; typedef struct { int32_t x_min, y_min, x_max, y_max; } ASS_Rect; typedef struct { double x_min, y_min, x_max, y_max; } ASS_DRect; static inline void rectangle_reset(ASS_Rect *rect) { rect->x_min = rect->y_min = INT32_MAX; rect->x_max = rect->y_max = INT32_MIN; } static inline void rectangle_update(ASS_Rect *rect, int32_t x_min, int32_t y_min, int32_t x_max, int32_t y_max) { rect->x_min = FFMIN(rect->x_min, x_min); rect->y_min = FFMIN(rect->y_min, y_min); rect->x_max = FFMAX(rect->x_max, x_max); rect->y_max = FFMAX(rect->y_max, y_max); } /* * Outline represented with array of points and array of segments. * Segment here is spline of order 1 (line), 2 (quadratic) or 3 (cubic). * Each segment owns number of points equal to its order in point array * and uses first point owned by the next segment as last point. * Last segment in each contour instead of the next segment point uses * point owned by the first segment in that contour. Correspondingly * total number of points is equal to the sum of spline orders of all segments. */ enum { OUTLINE_LINE_SEGMENT = 1, // line segment OUTLINE_QUADRATIC_SPLINE = 2, // quadratic spline OUTLINE_CUBIC_SPLINE = 3, // cubic spline OUTLINE_COUNT_MASK = 3, // spline order mask OUTLINE_CONTOUR_END = 4 // last segment in contour flag }; typedef struct { size_t n_points, max_points; size_t n_segments, max_segments; ASS_Vector *points; char *segments; } ASS_Outline; // outline point coordinates should always be in [-OUTLINE_MAX, +OUTLINE_MAX] range #define OUTLINE_MAX (((int32_t) 1 << 28) - 1) // cubic spline splitting requires 8 * OUTLINE_MAX + 4 <= INT32_MAX void ass_outline_clear(ASS_Outline *outline); bool ass_outline_alloc(ASS_Outline *outline, size_t n_points, size_t n_segments); void ass_outline_free(ASS_Outline *outline); // expects preallocated outline and works inplace bool ass_outline_convert(ASS_Outline *outline, const FT_Outline *source); void ass_outline_add_rect(ASS_Outline *outline, int32_t x0, int32_t y0, int32_t x1, int32_t y1); // enlarges outline automatically bool ass_outline_add_point(ASS_Outline *outline, ASS_Vector pt, char segment); bool ass_outline_add_segment(ASS_Outline *outline, char segment); void ass_outline_close_contour(ASS_Outline *outline); // works inplace bool ass_outline_rotate_90(ASS_Outline *outline, ASS_Vector offs); // creates a new outline for the result bool ass_outline_scale_pow2(ASS_Outline *outline, const ASS_Outline *source, int scale_ord_x, int scale_ord_y); bool ass_outline_transform_2d(ASS_Outline *outline, const ASS_Outline *source, const double m[2][3]); bool ass_outline_transform_3d(ASS_Outline *outline, const ASS_Outline *source, const double m[3][3]); // info queries void ass_outline_update_min_transformed_x(const ASS_Outline *outline, const double m[3][3], int32_t *min_x); void ass_outline_update_cbox(const ASS_Outline *outline, ASS_Rect *cbox); // creates new outlines for the results (positive and negative offset outlines) bool ass_outline_stroke(ASS_Outline *result, ASS_Outline *result1, const ASS_Outline *path, int xbord, int ybord, int eps); #endif /* LIBASS_OUTLINE_H */ libass-0.17.1/libass/ass_parse.c0000644060175106017510000011733014371314501013421 00000000000000/* * Copyright (C) 2009 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include "ass_library.h" #include "ass_render.h" #include "ass_parse.h" #define MAX_VALID_NARGS 7 #define MAX_BE 127 #define NBSP 0xa0 // unicode non-breaking space character struct arg { char *start, *end; }; static inline int32_t argtoi32(struct arg arg) { int32_t value; mystrtoi32(&arg.start, 10, &value); return value; } static inline double argtod(struct arg arg) { double value; mystrtod(&arg.start, &value); return value; } static inline void push_arg(struct arg *args, int *nargs, char *start, char *end) { if (*nargs <= MAX_VALID_NARGS) { rskip_spaces(&end, start); if (end > start) { args[*nargs] = (struct arg) {start, end}; ++*nargs; } } } /** * \brief Check if starting part of (*p) matches sample. * If true, shift p to the first symbol after the matching part. */ static inline int mystrcmp(char **p, const char *sample) { char *p2; for (p2 = *p; *sample != 0 && *p2 == *sample; p2++, sample++) ; if (*sample == 0) { *p = p2; return 1; } return 0; } /** * \brief Change current font, using setting from render_priv->state. */ void ass_update_font(RenderContext *state) { unsigned val; ASS_FontDesc desc; desc.family = state->family; if (!desc.family.str) return; if (desc.family.len && desc.family.str[0] == '@') { desc.vertical = 1; desc.family.str++; desc.family.len--; } else { desc.vertical = 0; } val = state->bold; // 0 = normal, 1 = bold, >1 = exact weight if (val == 1 || val == -1) val = 700; // bold else if (val <= 0) val = 400; // normal desc.bold = val; val = state->italic; if (val == 1) val = 100; // italic else if (val <= 0) val = 0; // normal desc.italic = val; ass_cache_dec_ref(state->font); state->font = ass_font_new(state->renderer, &desc); } /** * \brief Convert double to int32_t without UB * on out-of-range values; match x86 behavior */ static inline int32_t dtoi32(double val) { if (isnan(val) || val <= INT32_MIN || val >= INT32_MAX + 1LL) return INT32_MIN; return val; } static double calc_anim(double new, double old, double pwr) { return (1 - pwr) * old + new * pwr; } static int32_t calc_anim_int32(uint32_t new, uint32_t old, double pwr) { return dtoi32(calc_anim(new, old, pwr)); } /** * \brief Calculate a weighted average of two colors * calculates c1*(1-a) + c2*a, but separately for each component except alpha */ static void change_color(uint32_t *var, uint32_t new, double pwr) { uint32_t co = ass_bswap32(*var); uint32_t cn = ass_bswap32(new); uint32_t cc = (calc_anim_int32(cn & 0xff0000, co & 0xff0000, pwr) & 0xff0000) | (calc_anim_int32(cn & 0x00ff00, co & 0x00ff00, pwr) & 0x00ff00) | (calc_anim_int32(cn & 0x0000ff, co & 0x0000ff, pwr) & 0x0000ff); (*var) = (ass_bswap32(cc & 0xffffff)) | _a(*var); } // like change_color, but for alpha component only static inline void change_alpha(uint32_t *var, int32_t new, double pwr) { *var = (*var & 0xFFFFFF00) | (uint8_t)calc_anim_int32(new, _a(*var), pwr); } /** * \brief Multiply two alpha values * \param a first value * \param b second value * \return result of multiplication * At least one of the parameters must be less than or equal to 0xFF. * The result is less than or equal to max(a, b, 0xFF). */ static inline uint32_t mult_alpha(uint32_t a, uint32_t b) { return a - ((uint64_t) a * b + 0x7F) / 0xFF + b; } void ass_apply_fade(uint32_t *clr, int fade) { // VSFilter compatibility: apply fade only when it's positive if (fade > 0) change_alpha(clr, mult_alpha(_a(*clr), fade), 1); } /** * \brief Calculate alpha value by piecewise linear function * Used for \fad, \fade implementation. */ static int interpolate_alpha(long long now, int32_t t1, int32_t t2, int32_t t3, int32_t t4, int a1, int a2, int a3) { int a; double cf; if (now < t1) { a = a1; } else if (now < t2) { cf = ((double) (int32_t) ((uint32_t) now - t1)) / (int32_t) ((uint32_t) t2 - t1); a = a1 * (1 - cf) + a2 * cf; } else if (now < t3) { a = a2; } else if (now < t4) { cf = ((double) (int32_t) ((uint32_t) now - t3)) / (int32_t) ((uint32_t) t4 - t3); a = a2 * (1 - cf) + a3 * cf; } else { // now >= t4 a = a3; } return a; } /** * Parse a vector clip into an outline, using the proper scaling * parameters. Translate it to correct for screen borders, if needed. */ static bool parse_vector_clip(RenderContext *state, struct arg *args, int nargs) { if (nargs != 1 && nargs != 2) return false; int scale = 1; if (nargs == 2) scale = argtoi32(args[0]); struct arg text = args[nargs - 1]; state->clip_drawing_text.str = text.start; state->clip_drawing_text.len = text.end - text.start; state->clip_drawing_scale = scale; return true; } static int32_t parse_alpha_tag(char *str) { int32_t alpha = 0; while (*str == '&' || *str == 'H') ++str; mystrtoi32(&str, 16, &alpha); return alpha; } static uint32_t parse_color_tag(char *str) { int32_t color = 0; while (*str == '&' || *str == 'H') ++str; mystrtoi32(&str, 16, &color); return ass_bswap32((uint32_t) color); } /** * \brief find style by name as in \r * \param track track * \param name style name * \param len style name length * \return style in track->styles * Returns NULL if no style has the given name. */ static ASS_Style *lookup_style_strict(ASS_Track *track, char *name, size_t len) { int i; for (i = track->n_styles - 1; i >= 0; --i) { if (strncmp(track->styles[i].Name, name, len) == 0 && track->styles[i].Name[len] == '\0') return track->styles + i; } ass_msg(track->library, MSGL_WARN, "[%p]: Warning: no style named '%.*s' found", track, (int) len, name); return NULL; } /** * \brief Parse style override tags. * \param p string to parse * \param end end of string to parse, which must be '}', ')', or the first * of a number of spaces immediately preceding '}' or ')' * \param pwr multiplier for some tag effects (comes from \t tags) */ char *ass_parse_tags(RenderContext *state, char *p, char *end, double pwr, bool nested) { ASS_Renderer *render_priv = state->renderer; for (char *q; p < end; p = q) { while (*p != '\\' && p != end) ++p; if (*p != '\\') break; ++p; if (p != end) skip_spaces(&p); q = p; while (*q != '(' && *q != '\\' && q != end) ++q; if (q == p) continue; char *name_end = q; // Store one extra element to be able to detect excess arguments struct arg args[MAX_VALID_NARGS + 1]; int nargs = 0; bool has_backslash_arg = false; for (int i = 0; i <= MAX_VALID_NARGS; ++i) args[i].start = args[i].end = ""; // Split parenthesized arguments. Do this for all tags and before // any non-parenthesized argument because that's what VSFilter does. if (*q == '(') { ++q; while (1) { if (q != end) skip_spaces(&q); // Split on commas. If there is a backslash, ignore any // commas following it and lump everything starting from // the last comma, through the backslash and all the way // to the end of the argument string into a single argument. char *r = q; while (*r != ',' && *r != '\\' && *r != ')' && r != end) ++r; if (*r == ',') { push_arg(args, &nargs, q, r); q = r + 1; } else { // Swallow the rest of the parenthesized string. This could // be either a backslash-argument or simply the last argument. if (*r == '\\') { has_backslash_arg = true; while (*r != ')' && r != end) ++r; } push_arg(args, &nargs, q, r); q = r; // The closing parenthesis could be missing. if (q != end) ++q; break; } } } #define tag(name) (mystrcmp(&p, (name)) && (push_arg(args, &nargs, p, name_end), 1)) #define complex_tag(name) mystrcmp(&p, (name)) // New tags introduced in vsfilter 2.39 if (tag("xbord")) { double val; if (nargs) { val = argtod(*args); val = state->border_x * (1 - pwr) + val * pwr; val = (val < 0) ? 0 : val; } else val = state->style->Outline; state->border_x = val; } else if (tag("ybord")) { double val; if (nargs) { val = argtod(*args); val = state->border_y * (1 - pwr) + val * pwr; val = (val < 0) ? 0 : val; } else val = state->style->Outline; state->border_y = val; } else if (tag("xshad")) { double val; if (nargs) { val = argtod(*args); val = state->shadow_x * (1 - pwr) + val * pwr; } else val = state->style->Shadow; state->shadow_x = val; } else if (tag("yshad")) { double val; if (nargs) { val = argtod(*args); val = state->shadow_y * (1 - pwr) + val * pwr; } else val = state->style->Shadow; state->shadow_y = val; } else if (tag("fax")) { double val; if (nargs) { val = argtod(*args); state->fax = val * pwr + state->fax * (1 - pwr); } else state->fax = 0.; } else if (tag("fay")) { double val; if (nargs) { val = argtod(*args); state->fay = val * pwr + state->fay * (1 - pwr); } else state->fay = 0.; } else if (complex_tag("iclip")) { if (nargs == 4) { int32_t x0, y0, x1, y1; x0 = argtoi32(args[0]); y0 = argtoi32(args[1]); x1 = argtoi32(args[2]); y1 = argtoi32(args[3]); state->clip_x0 = state->clip_x0 * (1 - pwr) + x0 * pwr; state->clip_x1 = state->clip_x1 * (1 - pwr) + x1 * pwr; state->clip_y0 = state->clip_y0 * (1 - pwr) + y0 * pwr; state->clip_y1 = state->clip_y1 * (1 - pwr) + y1 * pwr; state->clip_mode = 1; } else if (!state->clip_drawing_text.str) { if (parse_vector_clip(state, args, nargs)) state->clip_drawing_mode = 1; } } else if (tag("blur")) { double val; if (nargs) { val = argtod(*args); val = state->blur * (1 - pwr) + val * pwr; val = (val < 0) ? 0 : val; val = (val > BLUR_MAX_RADIUS) ? BLUR_MAX_RADIUS : val; state->blur = val; } else state->blur = 0.0; // ASS standard tags } else if (tag("fscx")) { double val; if (nargs) { val = argtod(*args) / 100; val = state->scale_x * (1 - pwr) + val * pwr; val = (val < 0) ? 0 : val; } else val = state->style->ScaleX; state->scale_x = val; } else if (tag("fscy")) { double val; if (nargs) { val = argtod(*args) / 100; val = state->scale_y * (1 - pwr) + val * pwr; val = (val < 0) ? 0 : val; } else val = state->style->ScaleY; state->scale_y = val; } else if (tag("fsc")) { state->scale_x = state->style->ScaleX; state->scale_y = state->style->ScaleY; } else if (tag("fsp")) { double val; if (nargs) { val = argtod(*args); state->hspacing = state->hspacing * (1 - pwr) + val * pwr; } else state->hspacing = state->style->Spacing; } else if (tag("fs")) { double val = 0; if (nargs) { val = argtod(*args); if (*args->start == '+' || *args->start == '-') val = state->font_size * (1 + pwr * val / 10); else val = state->font_size * (1 - pwr) + val * pwr; } if (val <= 0) val = state->style->FontSize; state->font_size = val; } else if (tag("bord")) { double val, xval, yval; if (nargs) { val = argtod(*args); xval = state->border_x * (1 - pwr) + val * pwr; yval = state->border_y * (1 - pwr) + val * pwr; xval = (xval < 0) ? 0 : xval; yval = (yval < 0) ? 0 : yval; } else xval = yval = state->style->Outline; state->border_x = xval; state->border_y = yval; } else if (complex_tag("move")) { double x1, x2, y1, y2; int32_t t1, t2, delta_t, t; double x, y; double k; if (nargs == 4 || nargs == 6) { x1 = argtod(args[0]); y1 = argtod(args[1]); x2 = argtod(args[2]); y2 = argtod(args[3]); t1 = t2 = 0; if (nargs == 6) { t1 = argtoi32(args[4]); t2 = argtoi32(args[5]); if (t1 > t2) { long long tmp = t2; t2 = t1; t1 = tmp; } } } else continue; if (t1 <= 0 && t2 <= 0) { t1 = 0; t2 = state->event->Duration; } delta_t = (uint32_t) t2 - t1; t = render_priv->time - state->event->Start; if (t <= t1) k = 0.; else if (t >= t2) k = 1.; else k = ((double) (int32_t) ((uint32_t) t - t1)) / delta_t; x = k * (x2 - x1) + x1; y = k * (y2 - y1) + y1; if (!(state->evt_type & EVENT_POSITIONED)) { state->pos_x = x; state->pos_y = y; state->detect_collisions = 0; state->evt_type |= EVENT_POSITIONED; } } else if (tag("frx")) { double val; if (nargs) { val = argtod(*args); state->frx = val * pwr + state->frx * (1 - pwr); } else state->frx = 0.; } else if (tag("fry")) { double val; if (nargs) { val = argtod(*args); state->fry = val * pwr + state->fry * (1 - pwr); } else state->fry = 0.; } else if (tag("frz") || tag("fr")) { double val; if (nargs) { val = argtod(*args); state->frz = val * pwr + state->frz * (1 - pwr); } else state->frz = state->style->Angle; } else if (tag("fn")) { char *start = args->start; if (nargs && strncmp(start, "0", args->end - start)) { skip_spaces(&start); state->family.str = start; state->family.len = args->end - start; } else { state->family.str = state->style->FontName; state->family.len = strlen(state->style->FontName); } ass_update_font(state); } else if (tag("alpha")) { int i; if (nargs) { int32_t a = parse_alpha_tag(args->start); for (i = 0; i < 4; ++i) change_alpha(&state->c[i], a, pwr); } else { change_alpha(&state->c[0], _a(state->style->PrimaryColour), 1); change_alpha(&state->c[1], _a(state->style->SecondaryColour), 1); change_alpha(&state->c[2], _a(state->style->OutlineColour), 1); change_alpha(&state->c[3], _a(state->style->BackColour), 1); } // FIXME: simplify } else if (tag("an")) { int32_t val = argtoi32(*args); if ((state->parsed_tags & PARSED_A) == 0) { if (val >= 1 && val <= 9) state->alignment = numpad2align(val); else state->alignment = state->style->Alignment; state->parsed_tags |= PARSED_A; } } else if (tag("a")) { int32_t val = argtoi32(*args); if ((state->parsed_tags & PARSED_A) == 0) { if (val >= 1 && val <= 11) // take care of a vsfilter quirk: // handle illegal \a8 and \a4 like \a5 state->alignment = ((val & 3) == 0) ? 5 : val; else state->alignment = state->style->Alignment; state->parsed_tags |= PARSED_A; } } else if (complex_tag("pos")) { double v1, v2; if (nargs == 2) { v1 = argtod(args[0]); v2 = argtod(args[1]); } else continue; if (state->evt_type & EVENT_POSITIONED) { ass_msg(render_priv->library, MSGL_V, "Subtitle has a new \\pos " "after \\move or \\pos, ignoring"); } else { state->evt_type |= EVENT_POSITIONED; state->detect_collisions = 0; state->pos_x = v1; state->pos_y = v2; } } else if (complex_tag("fade") || complex_tag("fad")) { int32_t a1, a2, a3; int32_t t1, t2, t3, t4; if (nargs == 2) { // 2-argument version (\fad, according to specs) a1 = 0xFF; a2 = 0; a3 = 0xFF; t1 = -1; t2 = argtoi32(args[0]); t3 = argtoi32(args[1]); t4 = -1; } else if (nargs == 7) { // 7-argument version (\fade) a1 = argtoi32(args[0]); a2 = argtoi32(args[1]); a3 = argtoi32(args[2]); t1 = argtoi32(args[3]); t2 = argtoi32(args[4]); t3 = argtoi32(args[5]); t4 = argtoi32(args[6]); } else continue; if (t1 == -1 && t4 == -1) { t1 = 0; t4 = state->event->Duration; t3 = (uint32_t) t4 - t3; } if ((state->parsed_tags & PARSED_FADE) == 0) { state->fade = interpolate_alpha(render_priv->time - state->event->Start, t1, t2, t3, t4, a1, a2, a3); state->parsed_tags |= PARSED_FADE; } } else if (complex_tag("org")) { double v1, v2; if (nargs == 2) { v1 = argtod(args[0]); v2 = argtod(args[1]); } else continue; if (!state->have_origin) { state->org_x = v1; state->org_y = v2; state->have_origin = 1; state->detect_collisions = 0; } } else if (complex_tag("t")) { double accel; int cnt = nargs - 1; int32_t t1, t2, t, delta_t; double k; // VSFilter compatibility (because we can): parse the // timestamps differently depending on argument count. if (cnt == 3) { t1 = argtoi32(args[0]); t2 = argtoi32(args[1]); accel = argtod(args[2]); } else if (cnt == 2) { t1 = dtoi32(argtod(args[0])); t2 = dtoi32(argtod(args[1])); accel = 1.; } else if (cnt == 1) { t1 = 0; t2 = 0; accel = argtod(args[0]); } else { t1 = 0; t2 = 0; accel = 1.; } state->detect_collisions = 0; if (t2 == 0) t2 = state->event->Duration; delta_t = (uint32_t) t2 - t1; t = render_priv->time - state->event->Start; // FIXME: move to render_context if (t < t1) k = 0.; else if (t >= t2) k = 1.; else { assert(delta_t != 0.); k = pow((double) (int32_t) ((uint32_t) t - t1) / delta_t, accel); } if (nested) pwr = k; if (cnt < 0 || cnt > 3) continue; // If there's no backslash in the arguments, there are no // override tags, so it's pointless to try to parse them. if (!has_backslash_arg) continue; p = args[cnt].start; if (args[cnt].end < end) { assert(!nested); p = ass_parse_tags(state, p, args[cnt].end, k, true); } else { assert(q == end); // No other tags can possibly follow this \t tag, // so we don't need to restore pwr after parsing \t. // The recursive call is now essentially a tail call, // so optimize it away. pwr = k; nested = true; q = p; } } else if (complex_tag("clip")) { if (nargs == 4) { int32_t x0, y0, x1, y1; x0 = argtoi32(args[0]); y0 = argtoi32(args[1]); x1 = argtoi32(args[2]); y1 = argtoi32(args[3]); state->clip_x0 = state->clip_x0 * (1 - pwr) + x0 * pwr; state->clip_x1 = state->clip_x1 * (1 - pwr) + x1 * pwr; state->clip_y0 = state->clip_y0 * (1 - pwr) + y0 * pwr; state->clip_y1 = state->clip_y1 * (1 - pwr) + y1 * pwr; state->clip_mode = 0; } else if (!state->clip_drawing_text.str) { if (parse_vector_clip(state, args, nargs)) state->clip_drawing_mode = 0; } } else if (tag("c") || tag("1c")) { if (nargs) { uint32_t val = parse_color_tag(args->start); change_color(&state->c[0], val, pwr); } else change_color(&state->c[0], state->style->PrimaryColour, 1); } else if (tag("2c")) { if (nargs) { uint32_t val = parse_color_tag(args->start); change_color(&state->c[1], val, pwr); } else change_color(&state->c[1], state->style->SecondaryColour, 1); } else if (tag("3c")) { if (nargs) { uint32_t val = parse_color_tag(args->start); change_color(&state->c[2], val, pwr); } else change_color(&state->c[2], state->style->OutlineColour, 1); } else if (tag("4c")) { if (nargs) { uint32_t val = parse_color_tag(args->start); change_color(&state->c[3], val, pwr); } else change_color(&state->c[3], state->style->BackColour, 1); } else if (tag("1a")) { if (nargs) { uint32_t val = parse_alpha_tag(args->start); change_alpha(&state->c[0], val, pwr); } else change_alpha(&state->c[0], _a(state->style->PrimaryColour), 1); } else if (tag("2a")) { if (nargs) { uint32_t val = parse_alpha_tag(args->start); change_alpha(&state->c[1], val, pwr); } else change_alpha(&state->c[1], _a(state->style->SecondaryColour), 1); } else if (tag("3a")) { if (nargs) { uint32_t val = parse_alpha_tag(args->start); change_alpha(&state->c[2], val, pwr); } else change_alpha(&state->c[2], _a(state->style->OutlineColour), 1); } else if (tag("4a")) { if (nargs) { uint32_t val = parse_alpha_tag(args->start); change_alpha(&state->c[3], val, pwr); } else change_alpha(&state->c[3], _a(state->style->BackColour), 1); } else if (tag("r")) { if (nargs) { int len = args->end - args->start; ass_reset_render_context(state, lookup_style_strict(render_priv->track, args->start, len)); } else ass_reset_render_context(state, NULL); } else if (tag("be")) { double dval; if (nargs) { int32_t val; dval = argtod(*args); // VSFilter always adds +0.5, even if the value is negative val = dtoi32(state->be * (1 - pwr) + dval * pwr + 0.5); // Clamp to a safe upper limit, since high values need excessive CPU val = (val < 0) ? 0 : val; val = (val > MAX_BE) ? MAX_BE : val; state->be = val; } else state->be = 0; } else if (tag("b")) { int32_t val = argtoi32(*args); if (!nargs || !(val == 0 || val == 1 || val >= 100)) val = state->style->Bold; state->bold = val; ass_update_font(state); } else if (tag("i")) { int32_t val = argtoi32(*args); if (!nargs || !(val == 0 || val == 1)) val = state->style->Italic; state->italic = val; ass_update_font(state); } else if (tag("kt")) { // v4++ double val = 0; if (nargs) val = argtod(*args) * 10; state->effect_skip_timing = dtoi32(val); state->effect_timing = 0; state->reset_effect = true; } else if (tag("kf") || tag("K")) { double val = 100; if (nargs) val = argtod(*args); state->effect_type = EF_KARAOKE_KF; state->effect_skip_timing += (uint32_t) state->effect_timing; state->effect_timing = dtoi32(val * 10); } else if (tag("ko")) { double val = 100; if (nargs) val = argtod(*args); state->effect_type = EF_KARAOKE_KO; state->effect_skip_timing += (uint32_t) state->effect_timing; state->effect_timing = dtoi32(val * 10); } else if (tag("k")) { double val = 100; if (nargs) val = argtod(*args); state->effect_type = EF_KARAOKE; state->effect_skip_timing += (uint32_t) state->effect_timing; state->effect_timing = dtoi32(val * 10); } else if (tag("shad")) { double val, xval, yval; if (nargs) { val = argtod(*args); xval = state->shadow_x * (1 - pwr) + val * pwr; yval = state->shadow_y * (1 - pwr) + val * pwr; // VSFilter compatibility: clip for \shad but not for \[xy]shad xval = (xval < 0) ? 0 : xval; yval = (yval < 0) ? 0 : yval; } else xval = yval = state->style->Shadow; state->shadow_x = xval; state->shadow_y = yval; } else if (tag("s")) { int32_t val = argtoi32(*args); if (!nargs || !(val == 0 || val == 1)) val = state->style->StrikeOut; if (val) state->flags |= DECO_STRIKETHROUGH; else state->flags &= ~DECO_STRIKETHROUGH; } else if (tag("u")) { int32_t val = argtoi32(*args); if (!nargs || !(val == 0 || val == 1)) val = state->style->Underline; if (val) state->flags |= DECO_UNDERLINE; else state->flags &= ~DECO_UNDERLINE; } else if (tag("pbo")) { double val = argtod(*args); state->pbo = val; } else if (tag("p")) { int32_t val = argtoi32(*args); val = (val < 0) ? 0 : val; state->drawing_scale = val; } else if (tag("q")) { int32_t val = argtoi32(*args); if (!nargs || !(val >= 0 && val <= 3)) val = render_priv->track->WrapStyle; state->wrap_style = val; } else if (tag("fe")) { int32_t val; if (nargs) val = argtoi32(*args); else val = state->style->Encoding; state->font_encoding = val; } } return p; } void ass_apply_transition_effects(RenderContext *state) { ASS_Renderer *render_priv = state->renderer; int v[4]; int cnt; ASS_Event *event = state->event; char *p = event->Effect; if (!p || !*p) return; cnt = 0; while (cnt < 4 && (p = strchr(p, ';'))) { v[cnt++] = atoi(++p); } ASS_Vector layout_res = ass_layout_res(render_priv); if (strncmp(event->Effect, "Banner;", 7) == 0) { double delay; if (cnt < 1) { ass_msg(render_priv->library, MSGL_V, "Error parsing effect: '%s'", event->Effect); return; } if (cnt >= 2 && v[1]) // left-to-right state->scroll_direction = SCROLL_LR; else // right-to-left state->scroll_direction = SCROLL_RL; delay = v[0]; // VSF works in storage coordinates, but scales delay to PlayRes canvas // before applying max(scaled_ delay, 1). This means, if scaled_delay < 1 // (esp. delay=0) we end up with 1 ms per _storage pixel_ without any // PlayRes scaling. // The way libass deals with delay, it is automatically relative to the // PlayRes canvas, so we only want to "unscale" the small delay values. // // VSF also casts the scaled delay to int, which if not emulated leads to // easily noticeable deviations from VSFilter as the effect goes on. // To achieve both we need to keep our Playres-relative delay with high precision, // but must temporarily convert to storage-relative and truncate and take the // maxuimum there, before converting back. double scale_x = ((double) layout_res.x) / render_priv->track->PlayResX; delay = ((int) FFMAX(delay / scale_x, 1)) * scale_x; state->scroll_shift = (render_priv->time - event->Start) / delay; state->evt_type |= EVENT_HSCROLL; state->detect_collisions = 0; state->wrap_style = 2; return; } if (strncmp(event->Effect, "Scroll up;", 10) == 0) { state->scroll_direction = SCROLL_BT; } else if (strncmp(event->Effect, "Scroll down;", 12) == 0) { state->scroll_direction = SCROLL_TB; } else { ass_msg(render_priv->library, MSGL_DBG2, "Unknown transition effect: '%s'", event->Effect); return; } // parse scroll up/down parameters { double delay; int y0, y1; if (cnt < 3) { ass_msg(render_priv->library, MSGL_V, "Error parsing effect: '%s'", event->Effect); return; } delay = v[2]; // See explanation for Banner double scale_y = ((double) layout_res.y) / render_priv->track->PlayResY; delay = ((int) FFMAX(delay / scale_y, 1)) * scale_y; state->scroll_shift = (render_priv->time - event->Start) / delay; if (v[0] < v[1]) { y0 = v[0]; y1 = v[1]; } else { y0 = v[1]; y1 = v[0]; } state->scroll_y0 = y0; state->scroll_y1 = y1; state->evt_type |= EVENT_VSCROLL; state->detect_collisions = 0; } } /** * \brief determine karaoke effects * Karaoke effects cannot be calculated during parse stage (ass_get_next_char()), * so they are done in a separate step. * Parse stage: when karaoke style override is found, its parameters are stored in the next glyph's * (the first glyph of the karaoke word)'s effect_type and effect_timing. * This function: * 1. sets effect_type for all glyphs in the word (_karaoke_ word) * 2. sets effect_timing for all glyphs to x coordinate of the border line between the left and right karaoke parts * (left part is filled with PrimaryColour, right one - with SecondaryColour). */ void ass_process_karaoke_effects(RenderContext *state) { TextInfo *text_info = state->text_info; long long tm_current = state->renderer->time - state->event->Start; int32_t timing = 0, skip_timing = 0; Effect effect_type = EF_NONE; GlyphInfo *last_boundary = NULL; bool has_reset = false; for (int i = 0; i <= text_info->length; i++) { if (i < text_info->length && !text_info->glyphs[i].starts_new_run) { if (text_info->glyphs[i].reset_effect) { has_reset = true; skip_timing = 0; } // VSFilter compatibility: if we have \k12345\k0 without a run // break, subsequent text is still part of the same karaoke word, // the current word's starting and ending time stay unchanged, // but the starting time of the next karaoke word is advanced. skip_timing += (uint32_t) text_info->glyphs[i].effect_skip_timing; continue; } GlyphInfo *start = last_boundary; GlyphInfo *end = text_info->glyphs + i; last_boundary = end; if (!start) continue; if (start->effect_type != EF_NONE) effect_type = start->effect_type; if (effect_type == EF_NONE) continue; if (start->reset_effect) timing = 0; long long tm_start = timing + start->effect_skip_timing; long long tm_end = tm_start + start->effect_timing; timing = !has_reset * tm_end + skip_timing; skip_timing = 0; has_reset = false; if (effect_type != EF_KARAOKE_KF) tm_end = tm_start; int x; if (tm_current < tm_start) x = -100000000; else if (tm_current >= tm_end) x = 100000000; else { GlyphInfo *first_visible = start, *last_visible = end - 1; while (first_visible < last_visible && first_visible->skip) ++first_visible; while (first_visible < last_visible && last_visible->skip) --last_visible; int x_start = first_visible->pos.x; int x_end = last_visible->pos.x + last_visible->advance.x; double dt = (double) (tm_current - tm_start) / (tm_end - tm_start); double frz = fmod(start->frz, 360); if (frz > 90 && frz < 270) { // Fill from right to left dt = 1 - dt; for (GlyphInfo *info = start; info < end; info++) { uint32_t tmp = info->c[0]; info->c[0] = info->c[1]; info->c[1] = tmp; } } x = x_start + lrint((x_end - x_start) * dt); } for (GlyphInfo *info = start; info < end; info++) { info->effect_type = effect_type; info->effect_timing = x - info->pos.x; } } } /** * \brief Get next ucs4 char from string, parsing UTF-8 and escapes * \param str string pointer * \return ucs4 code of the next char * On return str points to the unparsed part of the string */ unsigned ass_get_next_char(RenderContext *state, char **str) { char *p = *str; unsigned chr; if (*p == '\t') { ++p; *str = p; return ' '; } if (*p == '\\') { if ((p[1] == 'N') || ((p[1] == 'n') && (state->wrap_style == 2))) { p += 2; *str = p; return '\n'; } else if (p[1] == 'n') { p += 2; *str = p; return ' '; } else if (p[1] == 'h') { p += 2; *str = p; return NBSP; } else if (p[1] == '{') { p += 2; *str = p; return '{'; } else if (p[1] == '}') { p += 2; *str = p; return '}'; } } chr = ass_utf8_get_char((char **) &p); *str = p; return chr; } // Return 1 if the event contains tags that will apply overrides the selective // style override code should not touch. Return 0 otherwise. int ass_event_has_hard_overrides(char *str) { // look for \pos and \move tags inside {...} // mirrors ass_get_next_char, but is faster and doesn't change any global state while (*str) { if (str[0] == '\\' && str[1] != '\0') { str += 2; } else if (str[0] == '{') { str++; while (*str && *str != '}') { if (*str == '\\') { char *p = str + 1; if (mystrcmp(&p, "pos") || mystrcmp(&p, "move") || mystrcmp(&p, "clip") || mystrcmp(&p, "iclip") || mystrcmp(&p, "org") || mystrcmp(&p, "pbo") || mystrcmp(&p, "p")) return 1; } str++; } } else { str++; } } return 0; } libass-0.17.1/libass/ass_parse.h0000644060175106017510000000275214371314501013427 00000000000000/* * Copyright (C) 2009 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_PARSE_H #define LIBASS_PARSE_H #include "ass_render.h" #define BLUR_MAX_RADIUS 100.0 #define _r(c) ((c) >> 24) #define _g(c) (((c) >> 16) & 0xFF) #define _b(c) (((c) >> 8) & 0xFF) #define _a(c) ((c) & 0xFF) void ass_update_font(RenderContext *state); void ass_apply_transition_effects(RenderContext *state); void ass_process_karaoke_effects(RenderContext *state); unsigned ass_get_next_char(RenderContext *state, char **str); char *ass_parse_tags(RenderContext *state, char *p, char *end, double pwr, bool nested); int ass_event_has_hard_overrides(char *str); void ass_apply_fade(uint32_t *clr, int fade); #endif /* LIBASS_PARSE_H */ libass-0.17.1/libass/ass_priv.h0000644060175106017510000000373514371314501013277 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_PRIV_H #define LIBASS_PRIV_H #include #include #include "ass_shaper.h" typedef enum { PST_UNKNOWN = 0, PST_INFO, PST_STYLES, PST_EVENTS, PST_FONTS } ParserState; typedef enum { SINFO_LANGUAGE = 1 << 0, SINFO_PLAYRESX = 1 << 1, SINFO_PLAYRESY = 1 << 2, SINFO_TIMER = 1 << 3, SINFO_WRAPSTYLE = 1 << 4, SINFO_SCALEDBORDER = 1 << 5, SINFO_COLOURMATRIX = 1 << 6, SINFO_KERNING = 1 << 7, SINFO_SCRIPTTYPE = 1 << 8, SINFO_LAYOUTRESX = 1 << 9, SINFO_LAYOUTRESY = 1 << 10, // for legacy detection GENBY_FFMPEG = 1 << 14 // max 32 enumerators } ScriptInfo; struct parser_priv { ParserState state; char *fontname; char *fontdata; size_t fontdata_size; size_t fontdata_used; // contains bitmap of ReadOrder IDs of all read events uint32_t *read_order_bitmap; int read_order_elems; // size in uint32_t units of read_order_bitmap int check_readorder; // tracks [Script Info] headers set by the script uint32_t header_flags; uint32_t feature_flags; }; #endif /* LIBASS_PRIV_H */ libass-0.17.1/libass/ass_rasterizer.c0000644060175106017510000006271514376664500014523 00000000000000/* * Copyright (C) 2014 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #ifdef _MSC_VER #include #pragma intrinsic(_BitScanReverse) #endif #include "ass_utils.h" #include "ass_outline.h" #include "ass_rasterizer.h" static inline int ilog2(uint32_t n) { #ifdef __GNUC__ return __builtin_clz(n) ^ 31; #elif defined(_MSC_VER) int res; _BitScanReverse(&res, n); return res; #else int res = 0; for (int ord = 16; ord; ord /= 2) if (n >= ((uint32_t) 1 << ord)) { res += ord; n >>= ord; } return res; #endif } bool ass_rasterizer_init(const BitmapEngine *engine, RasterizerData *rst, int outline_error) { rst->outline_error = outline_error; rst->linebuf[0] = rst->linebuf[1] = NULL; rst->size[0] = rst->capacity[0] = 0; rst->size[1] = rst->capacity[1] = 0; rst->n_first = 0; unsigned align = 1 << engine->align_order; unsigned size = 1 << (2 * engine->tile_order); rst->tile = ass_aligned_alloc(align, size, false); return rst->tile; } /** * \brief Ensure sufficient buffer size (allocate if necessary) * \param index index (0 or 1) of the input segment buffer (rst->linebuf) * \param delta requested size increase * \return false on error */ static inline bool check_capacity(RasterizerData *rst, int index, size_t delta) { delta += rst->size[index]; if (rst->capacity[index] >= delta) return true; size_t capacity = FFMAX(2 * rst->capacity[index], 64); while (capacity < delta) capacity *= 2; void *ptr = realloc(rst->linebuf[index], sizeof(struct segment) * capacity); if (!ptr) return false; rst->linebuf[index] = (struct segment *) ptr; rst->capacity[index] = capacity; return true; } void ass_rasterizer_done(RasterizerData *rst) { free(rst->linebuf[0]); free(rst->linebuf[1]); ass_aligned_free(rst->tile); } /* * Tiled Rasterization Algorithm * * 1) Convert splines into polylines using recursive subdivision. * * 2) Determine which segments of resulting polylines fall into each tile. * That's done through recursive splitting of segment array with horizontal or vertical lines. * Each individual segment can lie fully left(top) or right(bottom) from the splitting line or cross it. * In the latter case copies of such segment go to both output arrays. Also winding count * of the top-left corner of the second result rectangle gets calculated simultaneously with splitting. * Winding count of the first result rectangle is the same as of the source rectangle. * * 3) When the splitting is done to the tile level, there are 3 possible outcome: * - Tile doesn't have segments at all--fill it with solid color in accordance with winding count. * - Tile have only 1 segment--use simple half-plane filling algorithm. * - Generic case with 2 or more segments. * In the latter case each segment gets rasterized as right trapezoid into buffer * with additive or subtractive blending. */ // Helper struct for spline split decision typedef struct { ASS_Vector r; int64_t r2, er; } OutlineSegment; static inline void segment_init(OutlineSegment *seg, ASS_Vector beg, ASS_Vector end, int32_t outline_error) { int32_t x = end.x - beg.x; int32_t y = end.y - beg.y; int32_t abs_x = x < 0 ? -x : x; int32_t abs_y = y < 0 ? -y : y; seg->r.x = x; seg->r.y = y; seg->r2 = x * (int64_t) x + y * (int64_t) y; seg->er = outline_error * (int64_t) FFMAX(abs_x, abs_y); } static inline bool segment_subdivide(const OutlineSegment *seg, ASS_Vector beg, ASS_Vector pt) { int32_t x = pt.x - beg.x; int32_t y = pt.y - beg.y; int64_t pdr = seg->r.x * (int64_t) x + seg->r.y * (int64_t) y; int64_t pcr = seg->r.x * (int64_t) y - seg->r.y * (int64_t) x; return pdr < -seg->er || pdr > seg->r2 + seg->er || (pcr < 0 ? -pcr : pcr) > seg->er; } /** * \brief Add new segment to polyline */ static bool add_line(RasterizerData *rst, ASS_Vector pt0, ASS_Vector pt1) { int32_t x = pt1.x - pt0.x; int32_t y = pt1.y - pt0.y; if (!x && !y) return true; if (!check_capacity(rst, 0, 1)) return false; struct segment *line = rst->linebuf[0] + rst->size[0]; rst->size[0]++; line->flags = SEGFLAG_EXACT_LEFT | SEGFLAG_EXACT_RIGHT | SEGFLAG_EXACT_TOP | SEGFLAG_EXACT_BOTTOM; if (x < 0) line->flags ^= SEGFLAG_UL_DR; if (y >= 0) line->flags ^= SEGFLAG_DN | SEGFLAG_UL_DR; line->x_min = FFMIN(pt0.x, pt1.x); line->x_max = FFMAX(pt0.x, pt1.x); line->y_min = FFMIN(pt0.y, pt1.y); line->y_max = FFMAX(pt0.y, pt1.y); line->a = y; line->b = -x; line->c = y * (int64_t) pt0.x - x * (int64_t) pt0.y; // halfplane normalization int32_t abs_x = x < 0 ? -x : x; int32_t abs_y = y < 0 ? -y : y; uint32_t max_ab = (abs_x > abs_y ? abs_x : abs_y); int shift = 30 - ilog2(max_ab); max_ab <<= shift + 1; line->a *= 1 << shift; line->b *= 1 << shift; line->c *= 1 << shift; line->scale = (uint64_t) 0x53333333 * (uint32_t) (max_ab * (uint64_t) max_ab >> 32) >> 32; line->scale += 0x8810624D - (0xBBC6A7EF * (uint64_t) max_ab >> 32); //line->scale = ((uint64_t) 1 << 61) / max_ab; return true; } /** * \brief Add quadratic spline to polyline * Performs recursive subdivision if necessary. */ static bool add_quadratic(RasterizerData *rst, const ASS_Vector *pt) { OutlineSegment seg; segment_init(&seg, pt[0], pt[2], rst->outline_error); if (!segment_subdivide(&seg, pt[0], pt[1])) return add_line(rst, pt[0], pt[2]); ASS_Vector next[5]; next[1].x = pt[0].x + pt[1].x; next[1].y = pt[0].y + pt[1].y; next[3].x = pt[1].x + pt[2].x; next[3].y = pt[1].y + pt[2].y; next[2].x = (next[1].x + next[3].x + 2) >> 2; next[2].y = (next[1].y + next[3].y + 2) >> 2; next[1].x >>= 1; next[1].y >>= 1; next[3].x >>= 1; next[3].y >>= 1; next[0] = pt[0]; next[4] = pt[2]; return add_quadratic(rst, next) && add_quadratic(rst, next + 2); } /** * \brief Add cubic spline to polyline * Performs recursive subdivision if necessary. */ static bool add_cubic(RasterizerData *rst, const ASS_Vector *pt) { OutlineSegment seg; segment_init(&seg, pt[0], pt[3], rst->outline_error); if (!segment_subdivide(&seg, pt[0], pt[1]) && !segment_subdivide(&seg, pt[0], pt[2])) return add_line(rst, pt[0], pt[3]); ASS_Vector next[7], center; next[1].x = pt[0].x + pt[1].x; next[1].y = pt[0].y + pt[1].y; center.x = pt[1].x + pt[2].x + 2; center.y = pt[1].y + pt[2].y + 2; next[5].x = pt[2].x + pt[3].x; next[5].y = pt[2].y + pt[3].y; next[2].x = next[1].x + center.x; next[2].y = next[1].y + center.y; next[4].x = center.x + next[5].x; next[4].y = center.y + next[5].y; next[3].x = (next[2].x + next[4].x - 1) >> 3; next[3].y = (next[2].y + next[4].y - 1) >> 3; next[2].x >>= 2; next[2].y >>= 2; next[4].x >>= 2; next[4].y >>= 2; next[1].x >>= 1; next[1].y >>= 1; next[5].x >>= 1; next[5].y >>= 1; next[0] = pt[0]; next[6] = pt[3]; return add_cubic(rst, next) && add_cubic(rst, next + 3); } bool ass_rasterizer_set_outline(RasterizerData *rst, const ASS_Outline *path, bool extra) { if (!extra) { rectangle_reset(&rst->bbox); rst->n_first = 0; } rst->size[0] = rst->n_first; #ifndef NDEBUG for (size_t i = 0; i < path->n_points; i++) assert(abs(path->points[i].x) <= OUTLINE_MAX && abs(path->points[i].y) <= OUTLINE_MAX); #endif ASS_Vector *start = path->points, *cur = start; for (size_t i = 0; i < path->n_segments; i++) { int n = path->segments[i] & OUTLINE_COUNT_MASK; cur += n; ASS_Vector *end = cur, p[4]; if (path->segments[i] & OUTLINE_CONTOUR_END) { end = start; start = cur; } switch (n) { case OUTLINE_LINE_SEGMENT: if (!add_line(rst, cur[-1], *end)) return false; break; case OUTLINE_QUADRATIC_SPLINE: p[0] = cur[-2]; p[1] = cur[-1]; p[2] = *end; if (!add_quadratic(rst, p)) return false; break; case OUTLINE_CUBIC_SPLINE: p[0] = cur[-3]; p[1] = cur[-2]; p[2] = cur[-1]; p[3] = *end; if (!add_cubic(rst, p)) return false; break; default: return false; } } assert(start == cur && (!cur || cur == path->points + path->n_points)); for (size_t k = rst->n_first; k < rst->size[0]; k++) { struct segment *line = &rst->linebuf[0][k]; rectangle_update(&rst->bbox, line->x_min, line->y_min, line->x_max, line->y_max); } if (!extra) rst->n_first = rst->size[0]; return true; } static void segment_move_x(struct segment *line, int32_t x) { line->x_min -= x; line->x_max -= x; line->x_min = FFMAX(line->x_min, 0); line->c -= line->a * (int64_t) x; static const int test = SEGFLAG_EXACT_LEFT | SEGFLAG_UL_DR; if (!line->x_min && (line->flags & test) == test) line->flags &= ~SEGFLAG_EXACT_TOP; } static void segment_move_y(struct segment *line, int32_t y) { line->y_min -= y; line->y_max -= y; line->y_min = FFMAX(line->y_min, 0); line->c -= line->b * (int64_t) y; static const int test = SEGFLAG_EXACT_TOP | SEGFLAG_UL_DR; if (!line->y_min && (line->flags & test) == test) line->flags &= ~SEGFLAG_EXACT_LEFT; } static void segment_split_horz(struct segment *line, struct segment *next, int32_t x) { assert(x > line->x_min && x < line->x_max); *next = *line; next->c -= line->a * (int64_t) x; next->x_min = 0; next->x_max -= x; line->x_max = x; line->flags &= ~SEGFLAG_EXACT_TOP; next->flags &= ~SEGFLAG_EXACT_BOTTOM; if (line->flags & SEGFLAG_UL_DR) { int32_t tmp = line->flags; line->flags = next->flags; next->flags = tmp; } line->flags |= SEGFLAG_EXACT_RIGHT; next->flags |= SEGFLAG_EXACT_LEFT; } static void segment_split_vert(struct segment *line, struct segment *next, int32_t y) { assert(y > line->y_min && y < line->y_max); *next = *line; next->c -= line->b * (int64_t) y; next->y_min = 0; next->y_max -= y; line->y_max = y; line->flags &= ~SEGFLAG_EXACT_LEFT; next->flags &= ~SEGFLAG_EXACT_RIGHT; if (line->flags & SEGFLAG_UL_DR) { int32_t tmp = line->flags; line->flags = next->flags; next->flags = tmp; } line->flags |= SEGFLAG_EXACT_BOTTOM; next->flags |= SEGFLAG_EXACT_TOP; } static inline int segment_check_left(const struct segment *line, int32_t x) { if (line->flags & SEGFLAG_EXACT_LEFT) return line->x_min >= x; int64_t cc = line->c - line->a * (int64_t) x - line->b * (int64_t) (line->flags & SEGFLAG_UL_DR ? line->y_min : line->y_max); if (line->a < 0) cc = -cc; return cc >= 0; } static inline int segment_check_right(const struct segment *line, int32_t x) { if (line->flags & SEGFLAG_EXACT_RIGHT) return line->x_max <= x; int64_t cc = line->c - line->a * (int64_t) x - line->b * (int64_t) (line->flags & SEGFLAG_UL_DR ? line->y_max : line->y_min); if (line->a > 0) cc = -cc; return cc >= 0; } static inline int segment_check_top(const struct segment *line, int32_t y) { if (line->flags & SEGFLAG_EXACT_TOP) return line->y_min >= y; int64_t cc = line->c - line->b * (int64_t) y - line->a * (int64_t) (line->flags & SEGFLAG_UL_DR ? line->x_min : line->x_max); if (line->b < 0) cc = -cc; return cc >= 0; } static inline int segment_check_bottom(const struct segment *line, int32_t y) { if (line->flags & SEGFLAG_EXACT_BOTTOM) return line->y_max <= y; int64_t cc = line->c - line->b * (int64_t) y - line->a * (int64_t) (line->flags & SEGFLAG_UL_DR ? line->x_max : line->x_min); if (line->b > 0) cc = -cc; return cc >= 0; } /** * \brief Split list of segments horizontally * \param src in: input array, can coincide with *dst0 or *dst1 * \param n_src in: numbers of input segments for both groups * \param dst0, dst1 out: output arrays of at least n_src[0] + n_src[1] size * \param n_dst0, n_dst1 out: numbers of output segments for both groups * \param winding out: resulting winding of bottom-split point * \param x in: split coordinate */ static void polyline_split_horz(const struct segment *src, const size_t n_src[2], struct segment *dst0, size_t n_dst0[2], struct segment *dst1, size_t n_dst1[2], int winding[2], int32_t x) { const struct segment *cmp = src + n_src[0]; const struct segment *end = cmp + n_src[1]; n_dst0[0] = n_dst0[1] = 0; n_dst1[0] = n_dst1[1] = 0; for (; src != end; src++) { int group = src < cmp ? 0 : 1; int delta = 0; if (!src->y_min && (src->flags & SEGFLAG_EXACT_TOP)) delta = src->a < 0 ? 1 : -1; if (segment_check_right(src, x)) { winding[group] += delta; if (src->x_min >= x) continue; *dst0 = *src; dst0->x_max = FFMIN(dst0->x_max, x); n_dst0[group]++; dst0++; continue; } if (segment_check_left(src, x)) { *dst1 = *src; segment_move_x(dst1, x); n_dst1[group]++; dst1++; continue; } if (src->flags & SEGFLAG_UL_DR) winding[group] += delta; *dst0 = *src; segment_split_horz(dst0, dst1, x); n_dst0[group]++; dst0++; n_dst1[group]++; dst1++; } } /** * \brief Split list of segments vertically */ static void polyline_split_vert(const struct segment *src, const size_t n_src[2], struct segment *dst0, size_t n_dst0[2], struct segment *dst1, size_t n_dst1[2], int winding[2], int32_t y) { const struct segment *cmp = src + n_src[0]; const struct segment *end = cmp + n_src[1]; n_dst0[0] = n_dst0[1] = 0; n_dst1[0] = n_dst1[1] = 0; for (; src != end; src++) { int group = src < cmp ? 0 : 1; int delta = 0; if (!src->x_min && (src->flags & SEGFLAG_EXACT_LEFT)) delta = src->b < 0 ? 1 : -1; if (segment_check_bottom(src, y)) { winding[group] += delta; if (src->y_min >= y) continue; *dst0 = *src; dst0->y_max = dst0->y_max < y ? dst0->y_max : y; n_dst0[group]++; dst0++; continue; } if (segment_check_top(src, y)) { *dst1 = *src; segment_move_y(dst1, y); n_dst1[group]++; dst1++; continue; } if (src->flags & SEGFLAG_UL_DR) winding[group] += delta; *dst0 = *src; segment_split_vert(dst0, dst1, y); n_dst0[group]++; dst0++; n_dst1[group]++; dst1++; } } static inline void rasterizer_fill_solid(const BitmapEngine *engine, uint8_t *buf, int width, int height, ptrdiff_t stride, int set) { assert(!(width & ((1 << engine->tile_order) - 1))); assert(!(height & ((1 << engine->tile_order) - 1))); ptrdiff_t step = 1 << engine->tile_order; ptrdiff_t tile_stride = stride * (1 << engine->tile_order); width >>= engine->tile_order; height >>= engine->tile_order; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) engine->fill_solid(buf + x * step, stride, set); buf += tile_stride; } } static inline void rasterizer_fill_halfplane(const BitmapEngine *engine, uint8_t *buf, int width, int height, ptrdiff_t stride, int32_t a, int32_t b, int64_t c, int32_t scale) { assert(!(width & ((1 << engine->tile_order) - 1))); assert(!(height & ((1 << engine->tile_order) - 1))); if (width == 1 << engine->tile_order && height == 1 << engine->tile_order) { engine->fill_halfplane(buf, stride, a, b, c, scale); return; } uint32_t abs_a = a < 0 ? -a : a; uint32_t abs_b = b < 0 ? -b : b; int64_t size = (int64_t) (abs_a + abs_b) << (engine->tile_order + 5); int64_t offs = ((int64_t) a + b) * (1 << (engine->tile_order + 5)); ptrdiff_t step = 1 << engine->tile_order; ptrdiff_t tile_stride = stride * (1 << engine->tile_order); width >>= engine->tile_order; height >>= engine->tile_order; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { int64_t cc = c - (a * (int64_t) x + b * (int64_t) y) * (1 << (engine->tile_order + 6)); int64_t offs_c = offs - cc; int64_t abs_c = offs_c < 0 ? -offs_c : offs_c; if (abs_c < size) engine->fill_halfplane(buf + x * step, stride, a, b, cc, scale); else engine->fill_solid(buf + x * step, stride, ((uint32_t) (offs_c >> 32) ^ scale) & 0x80000000); } buf += tile_stride; } } enum { FLAG_SOLID = 1, FLAG_COMPLEX = 2, FLAG_REVERSE = 4, FLAG_GENERIC = 8, }; static inline int get_fill_flags(struct segment *line, size_t n_lines, int winding) { if (!n_lines) return winding ? FLAG_SOLID : 0; if (n_lines > 1) return FLAG_COMPLEX | FLAG_GENERIC; static const int test = SEGFLAG_UL_DR | SEGFLAG_EXACT_LEFT; if (((line->flags & test) != test) == !(line->flags & SEGFLAG_DN)) winding++; switch (winding) { case 0: return FLAG_COMPLEX | FLAG_REVERSE; case 1: return FLAG_COMPLEX; default: return FLAG_SOLID; } } /** * \brief Main quad-tree filling function * \param index index (0 or 1) of the input segment buffer (rst->linebuf) * \param offs current offset from the beginning of the buffer * \param winding bottom-left winding value * \return false on error * Rasterizes (possibly recursive) one quad-tree level. * Truncates used input buffer. */ static bool rasterizer_fill_level(const BitmapEngine *engine, RasterizerData *rst, uint8_t *buf, int width, int height, ptrdiff_t stride, int index, const size_t n_lines[2], const int winding[2]) { assert(width > 0 && height > 0); assert((unsigned) index < 2u && n_lines[0] + n_lines[1] <= rst->size[index]); assert(!(width & ((1 << engine->tile_order) - 1))); assert(!(height & ((1 << engine->tile_order) - 1))); size_t offs = rst->size[index] - n_lines[0] - n_lines[1]; struct segment *line = rst->linebuf[index] + offs, *line1 = line + n_lines[0]; int flags0 = get_fill_flags(line, n_lines[0], winding[0]); int flags1 = get_fill_flags(line1, n_lines[1], winding[1]); int flags = (flags0 | flags1) ^ FLAG_COMPLEX; if (flags & (FLAG_SOLID | FLAG_COMPLEX)) { rasterizer_fill_solid(engine, buf, width, height, stride, flags & FLAG_SOLID); rst->size[index] = offs; return true; } if (!(flags & FLAG_GENERIC) && ((flags0 ^ flags1) & FLAG_COMPLEX)) { if (flags1 & FLAG_COMPLEX) line = line1; rasterizer_fill_halfplane(engine, buf, width, height, stride, line->a, line->b, line->c, flags & FLAG_REVERSE ? -line->scale : line->scale); rst->size[index] = offs; return true; } if (width == 1 << engine->tile_order && height == 1 << engine->tile_order) { if (!(flags1 & FLAG_COMPLEX)) { engine->fill_generic(buf, stride, line, n_lines[0], winding[0]); rst->size[index] = offs; return true; } if (!(flags0 & FLAG_COMPLEX)) { engine->fill_generic(buf, stride, line1, n_lines[1], winding[1]); rst->size[index] = offs; return true; } if (flags0 & FLAG_GENERIC) engine->fill_generic(buf, stride, line, n_lines[0], winding[0]); else engine->fill_halfplane(buf, stride, line->a, line->b, line->c, flags0 & FLAG_REVERSE ? -line->scale : line->scale); if (flags1 & FLAG_GENERIC) engine->fill_generic(rst->tile, width, line1, n_lines[1], winding[1]); else engine->fill_halfplane(rst->tile, width, line1->a, line1->b, line1->c, flags1 & FLAG_REVERSE ? -line1->scale : line1->scale); engine->merge_tile(buf, stride, rst->tile); rst->size[index] = offs; return true; } size_t offs1 = rst->size[index ^ 1]; if (!check_capacity(rst, index ^ 1, n_lines[0] + n_lines[1])) return false; struct segment *dst0 = line; struct segment *dst1 = rst->linebuf[index ^ 1] + offs1; uint8_t *buf1 = buf; int width1 = width; int height1 = height; size_t n_next0[2], n_next1[2]; int winding1[2] = { winding[0], winding[1] }; if (width > height) { width = 1 << ilog2(width - 1); width1 -= width; buf1 += width; polyline_split_horz(line, n_lines, dst0, n_next0, dst1, n_next1, winding1, (int32_t) width << 6); } else { height = 1 << ilog2(height - 1); height1 -= height; buf1 += height * stride; polyline_split_vert(line, n_lines, dst0, n_next0, dst1, n_next1, winding1, (int32_t) height << 6); } rst->size[index ^ 0] = offs + n_next0[0] + n_next0[1]; rst->size[index ^ 1] = offs1 + n_next1[0] + n_next1[1]; if (!rasterizer_fill_level(engine, rst, buf, width, height, stride, index ^ 0, n_next0, winding)) return false; assert(rst->size[index ^ 0] == offs); if (!rasterizer_fill_level(engine, rst, buf1, width1, height1, stride, index ^ 1, n_next1, winding1)) return false; assert(rst->size[index ^ 1] == offs1); return true; } bool ass_rasterizer_fill(const BitmapEngine *engine, RasterizerData *rst, uint8_t *buf, int x0, int y0, int width, int height, ptrdiff_t stride) { assert(width > 0 && height > 0); assert(!(width & ((1 << engine->tile_order) - 1))); assert(!(height & ((1 << engine->tile_order) - 1))); x0 *= 1 << 6; y0 *= 1 << 6; struct segment *line = rst->linebuf[0]; struct segment *end = line + rst->size[0]; for (; line != end; line++) { line->x_min -= x0; line->x_max -= x0; line->y_min -= y0; line->y_max -= y0; line->c -= line->a * (int64_t) x0 + line->b * (int64_t) y0; } rst->bbox.x_min -= x0; rst->bbox.x_max -= x0; rst->bbox.y_min -= y0; rst->bbox.y_max -= y0; if (!check_capacity(rst, 1, rst->size[0])) return false; size_t n_unused[2]; size_t n_lines[2] = { rst->n_first, rst->size[0] - rst->n_first }; int winding[2] = { 0, 0 }; int32_t size_x = (int32_t) width << 6; int32_t size_y = (int32_t) height << 6; if (rst->bbox.x_max >= size_x) { polyline_split_horz(rst->linebuf[0], n_lines, rst->linebuf[0], n_lines, rst->linebuf[1], n_unused, winding, size_x); winding[0] = winding[1] = 0; } if (rst->bbox.y_max >= size_y) { polyline_split_vert(rst->linebuf[0], n_lines, rst->linebuf[0], n_lines, rst->linebuf[1], n_unused, winding, size_y); winding[0] = winding[1] = 0; } if (rst->bbox.x_min <= 0) { polyline_split_horz(rst->linebuf[0], n_lines, rst->linebuf[1], n_unused, rst->linebuf[0], n_lines, winding, 0); } if (rst->bbox.y_min <= 0) { polyline_split_vert(rst->linebuf[0], n_lines, rst->linebuf[1], n_unused, rst->linebuf[0], n_lines, winding, 0); } rst->size[0] = n_lines[0] + n_lines[1]; rst->size[1] = 0; return rasterizer_fill_level(engine, rst, buf, width, height, stride, 0, n_lines, winding); } libass-0.17.1/libass/ass_rasterizer.h0000644060175106017510000000505014371314501014501 00000000000000/* * Copyright (C) 2014 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_RASTERIZER_H #define LIBASS_RASTERIZER_H #include #include #include #include "ass_bitmap.h" enum { SEGFLAG_DN = 1, SEGFLAG_UL_DR = 2, SEGFLAG_EXACT_LEFT = 4, SEGFLAG_EXACT_RIGHT = 8, SEGFLAG_EXACT_TOP = 16, SEGFLAG_EXACT_BOTTOM = 32, }; // Polyline segment struct struct segment { int64_t c; int32_t a, b, scale, flags; int32_t x_min, x_max, y_min, y_max; }; typedef struct { int outline_error; // acceptable error (in 1/64 pixel units) // usable after rasterizer_set_outline ASS_Rect bbox; // internal buffers struct segment *linebuf[2]; size_t size[2], capacity[2]; size_t n_first; uint8_t *tile; } RasterizerData; bool ass_rasterizer_init(const BitmapEngine *engine, RasterizerData *rst, int outline_error); void ass_rasterizer_done(RasterizerData *rst); /** * \brief Convert outline to polyline and calculate exact bounds * \param path in: source outline * \param extra in: true if path is second border outline * \return false on error */ bool ass_rasterizer_set_outline(RasterizerData *rst, const ASS_Outline *path, bool extra); /** * \brief Polyline rasterization function * \param x0, y0, width, height in: source window (full pixel units) * \param buf out: aligned output buffer (size = stride * height) * \param stride output buffer stride (aligned) * \return false on error * Deletes preprocessed polyline after work. */ bool ass_rasterizer_fill(const BitmapEngine *engine, RasterizerData *rst, uint8_t *buf, int x0, int y0, int width, int height, ptrdiff_t stride); #endif /* LIBASS_RASTERIZER_H */ libass-0.17.1/libass/ass_rasterizer_c.c0000644060175106017510000003210314376664500015011 00000000000000/* * Copyright (C) 2014 Vabishchevich Nikolay * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include "ass_utils.h" #include "ass_rasterizer.h" #include void ass_fill_solid_tile16_c(uint8_t *buf, ptrdiff_t stride, int set) { uint8_t value = set ? 255 : 0; for (int y = 0; y < 16; y++) { for (int x = 0; x < 16; x++) buf[x] = value; buf += stride; } } void ass_fill_solid_tile32_c(uint8_t *buf, ptrdiff_t stride, int set) { uint8_t value = set ? 255 : 0; for (int y = 0; y < 32; y++) { for (int x = 0; x < 32; x++) buf[x] = value; buf += stride; } } /* * Halfplane Filling Functions * * Fill pixels with antialiasing corresponding to equation * A * x + B * y < C, where * x, y - offset of pixel center from bottom-left, * A = a * scale, B = b * scale, C = c * scale / 64. * * Normalization of coefficients prior call: * max(abs(a), abs(b)) * scale = 1 << 61 * * Used Algorithm * Let * max_ab = max(abs(A), abs(B)), * min_ab = min(abs(A), abs(B)), * CC = C - A * x - B * y, then * result = (clamp((CC - min_ab / 4) / max_ab) + * clamp((CC + min_ab / 4) / max_ab) + * 1) / 2, * where clamp(Z) = max(-0.5, min(0.5, Z)). */ void ass_fill_halfplane_tile16_c(uint8_t *buf, ptrdiff_t stride, int32_t a, int32_t b, int64_t c, int32_t scale) { int16_t aa = (a * (int64_t) scale + ((int64_t) 1 << 49)) >> 50; int16_t bb = (b * (int64_t) scale + ((int64_t) 1 << 49)) >> 50; int16_t cc = ((int32_t) (c >> 11) * (int64_t) scale + ((int64_t) 1 << 44)) >> 45; cc += (1 << 9) - ((aa + bb) >> 1); int16_t abs_a = aa < 0 ? -aa : aa; int16_t abs_b = bb < 0 ? -bb : bb; int16_t delta = (FFMIN(abs_a, abs_b) + 2) >> 2; int16_t va1[16], va2[16]; for (int x = 0; x < 16; x++) { va1[x] = aa * x - delta; va2[x] = aa * x + delta; } static const int16_t full = 1 << 10; for (int y = 0; y < 16; y++) { for (int x = 0; x < 16; x++) { int16_t c1 = cc - va1[x]; int16_t c2 = cc - va2[x]; c1 = FFMINMAX(c1, 0, full); c2 = FFMINMAX(c2, 0, full); int16_t res = (c1 + c2) >> 3; buf[x] = FFMIN(res, 255); } buf += stride; cc -= bb; } } void ass_fill_halfplane_tile32_c(uint8_t *buf, ptrdiff_t stride, int32_t a, int32_t b, int64_t c, int32_t scale) { int16_t aa = (a * (int64_t) scale + ((int64_t) 1 << 50)) >> 51; int16_t bb = (b * (int64_t) scale + ((int64_t) 1 << 50)) >> 51; int16_t cc = ((int32_t) (c >> 12) * (int64_t) scale + ((int64_t) 1 << 44)) >> 45; cc += (1 << 8) - ((aa + bb) >> 1); int16_t abs_a = aa < 0 ? -aa : aa; int16_t abs_b = bb < 0 ? -bb : bb; int16_t delta = (FFMIN(abs_a, abs_b) + 2) >> 2; int16_t va1[32], va2[32]; for (int x = 0; x < 32; x++) { va1[x] = aa * x - delta; va2[x] = aa * x + delta; } static const int16_t full = 1 << 9; for (int y = 0; y < 32; y++) { for (int x = 0; x < 32; x++) { int16_t c1 = cc - va1[x]; int16_t c2 = cc - va2[x]; c1 = FFMINMAX(c1, 0, full); c2 = FFMINMAX(c2, 0, full); int16_t res = (c1 + c2) >> 2; buf[x] = FFMIN(res, 255); } buf += stride; cc -= bb; } } /* * Generic Filling Functions * * Used Algorithm * Construct trapeziod from each polyline segment and its projection into left side of tile. * Render that trapeziod into internal buffer with additive blending and correct sign. * Store clamped absolute value from internal buffer into result buffer. */ // Render top/bottom line of the trapeziod with antialiasing static inline void update_border_line16(int16_t res[16], int16_t abs_a, const int16_t va[16], int16_t b, int16_t abs_b, int16_t c, int up, int dn) { int16_t size = dn - up; int16_t w = (1 << 10) + (size << 4) - abs_a; w = FFMIN(w, 1 << 10) << 3; int16_t dc_b = abs_b * (int32_t) size >> 6; int16_t dc = (FFMIN(abs_a, dc_b) + 2) >> 2; int16_t base = (int32_t) b * (int16_t) (up + dn) >> 7; int16_t offs1 = size - ((base + dc) * (int32_t) w >> 16); int16_t offs2 = size - ((base - dc) * (int32_t) w >> 16); size <<= 1; for (int x = 0; x < 16; x++) { int16_t cw = (c - va[x]) * (int32_t) w >> 16; int16_t c1 = cw + offs1; int16_t c2 = cw + offs2; c1 = FFMINMAX(c1, 0, size); c2 = FFMINMAX(c2, 0, size); res[x] += c1 + c2; } } void ass_fill_generic_tile16_c(uint8_t *buf, ptrdiff_t stride, const struct segment *line, size_t n_lines, int winding) { int16_t res[16][16], delta[18]; for (int y = 0; y < 16; y++) for (int x = 0; x < 16; x++) res[y][x] = 0; for (int y = 0; y < 18; y++) delta[y] = 0; static const int16_t full = 1 << 10; const struct segment *end = line + n_lines; for (; line != end; ++line) { assert(line->y_min >= 0 && line->y_min < 1 << 10); assert(line->y_max > 0 && line->y_max <= 1 << 10); assert(line->y_min <= line->y_max); int16_t up_delta = line->flags & SEGFLAG_DN ? 4 : 0; int16_t dn_delta = up_delta; if (!line->x_min && (line->flags & SEGFLAG_EXACT_LEFT)) dn_delta ^= 4; if (line->flags & SEGFLAG_UL_DR) { int16_t tmp = up_delta; up_delta = dn_delta; dn_delta = tmp; } int up = line->y_min >> 6, dn = line->y_max >> 6; int16_t up_pos = line->y_min & 63; int16_t up_delta1 = up_delta * up_pos; int16_t dn_pos = line->y_max & 63; int16_t dn_delta1 = dn_delta * dn_pos; delta[up + 1] -= up_delta1; delta[up] -= (up_delta << 6) - up_delta1; delta[dn + 1] += dn_delta1; delta[dn] += (dn_delta << 6) - dn_delta1; if (line->y_min == line->y_max) continue; int16_t a = (line->a * (int64_t) line->scale + ((int64_t) 1 << 49)) >> 50; int16_t b = (line->b * (int64_t) line->scale + ((int64_t) 1 << 49)) >> 50; int16_t c = ((int32_t) (line->c >> 11) * (int64_t) line->scale + ((int64_t) 1 << 44)) >> 45; c -= (a >> 1) + b * up; int16_t va[16]; for (int x = 0; x < 16; x++) va[x] = a * x; int16_t abs_a = a < 0 ? -a : a; int16_t abs_b = b < 0 ? -b : b; int16_t dc = (FFMIN(abs_a, abs_b) + 2) >> 2; int16_t base = (1 << 9) - (b >> 1); int16_t dc1 = base + dc; int16_t dc2 = base - dc; if (up_pos) { if (dn == up) { update_border_line16(res[up], abs_a, va, b, abs_b, c, up_pos, dn_pos); continue; } update_border_line16(res[up], abs_a, va, b, abs_b, c, up_pos, 64); up++; c -= b; } for (int y = up; y < dn; y++) { for (int x = 0; x < 16; x++) { int16_t c1 = c - va[x] + dc1; int16_t c2 = c - va[x] + dc2; c1 = FFMINMAX(c1, 0, full); c2 = FFMINMAX(c2, 0, full); res[y][x] += (c1 + c2) >> 3; } c -= b; } if (dn_pos) update_border_line16(res[dn], abs_a, va, b, abs_b, c, 0, dn_pos); } int16_t cur = 256 * winding; for (int y = 0; y < 16; y++) { cur += delta[y]; for (int x = 0; x < 16; x++) { int16_t val = res[y][x] + cur, neg_val = -val; val = (val > neg_val ? val : neg_val); buf[x] = FFMIN(val, 255); } buf += stride; } } // Render top/bottom line of the trapeziod with antialiasing static inline void update_border_line32(int16_t res[32], int16_t abs_a, const int16_t va[32], int16_t b, int16_t abs_b, int16_t c, int up, int dn) { int16_t size = dn - up; int16_t w = (1 << 9) + (size << 3) - abs_a; w = FFMIN(w, 1 << 9) << 5; int16_t dc_b = abs_b * (int32_t) size >> 6; int16_t dc = (FFMIN(abs_a, dc_b) + 2) >> 2; int16_t base = (int32_t) b * (int16_t) (up + dn) >> 7; int16_t offs1 = size - ((base + dc) * (int32_t) w >> 16); int16_t offs2 = size - ((base - dc) * (int32_t) w >> 16); size <<= 1; for (int x = 0; x < 32; x++) { int16_t cw = (c - va[x]) * (int32_t) w >> 16; int16_t c1 = cw + offs1; int16_t c2 = cw + offs2; c1 = FFMINMAX(c1, 0, size); c2 = FFMINMAX(c2, 0, size); res[x] += c1 + c2; } } void ass_fill_generic_tile32_c(uint8_t *buf, ptrdiff_t stride, const struct segment *line, size_t n_lines, int winding) { int16_t res[32][32], delta[34]; for (int y = 0; y < 32; y++) for (int x = 0; x < 32; x++) res[y][x] = 0; for (int y = 0; y < 34; y++) delta[y] = 0; static const int16_t full = 1 << 9; const struct segment *end = line + n_lines; for (; line != end; ++line) { assert(line->y_min >= 0 && line->y_min < 1 << 11); assert(line->y_max > 0 && line->y_max <= 1 << 11); assert(line->y_min <= line->y_max); int16_t up_delta = line->flags & SEGFLAG_DN ? 4 : 0; int16_t dn_delta = up_delta; if (!line->x_min && (line->flags & SEGFLAG_EXACT_LEFT)) dn_delta ^= 4; if (line->flags & SEGFLAG_UL_DR) { int16_t tmp = up_delta; up_delta = dn_delta; dn_delta = tmp; } int up = line->y_min >> 6, dn = line->y_max >> 6; int16_t up_pos = line->y_min & 63; int16_t up_delta1 = up_delta * up_pos; int16_t dn_pos = line->y_max & 63; int16_t dn_delta1 = dn_delta * dn_pos; delta[up + 1] -= up_delta1; delta[up] -= (up_delta << 6) - up_delta1; delta[dn + 1] += dn_delta1; delta[dn] += (dn_delta << 6) - dn_delta1; if (line->y_min == line->y_max) continue; int16_t a = (line->a * (int64_t) line->scale + ((int64_t) 1 << 50)) >> 51; int16_t b = (line->b * (int64_t) line->scale + ((int64_t) 1 << 50)) >> 51; int16_t c = ((int32_t) (line->c >> 12) * (int64_t) line->scale + ((int64_t) 1 << 44)) >> 45; c -= (a >> 1) + b * up; int16_t va[32]; for (int x = 0; x < 32; x++) va[x] = a * x; int16_t abs_a = a < 0 ? -a : a; int16_t abs_b = b < 0 ? -b : b; int16_t dc = (FFMIN(abs_a, abs_b) + 2) >> 2; int16_t base = (1 << 8) - (b >> 1); int16_t dc1 = base + dc; int16_t dc2 = base - dc; if (up_pos) { if (dn == up) { update_border_line32(res[up], abs_a, va, b, abs_b, c, up_pos, dn_pos); continue; } update_border_line32(res[up], abs_a, va, b, abs_b, c, up_pos, 64); up++; c -= b; } for (int y = up; y < dn; y++) { for (int x = 0; x < 32; x++) { int16_t c1 = c - va[x] + dc1; int16_t c2 = c - va[x] + dc2; c1 = FFMINMAX(c1, 0, full); c2 = FFMINMAX(c2, 0, full); res[y][x] += (c1 + c2) >> 2; } c -= b; } if (dn_pos) update_border_line32(res[dn], abs_a, va, b, abs_b, c, 0, dn_pos); } int16_t cur = 256 * winding; for (int y = 0; y < 32; y++) { cur += delta[y]; for (int x = 0; x < 32; x++) { int16_t val = res[y][x] + cur, neg_val = -val; val = (val > neg_val ? val : neg_val); buf[x] = FFMIN(val, 255); } buf += stride; } } void ass_merge_tile16_c(uint8_t *buf, ptrdiff_t stride, const uint8_t *tile) { for (int y = 0; y < 16; y++) { for (int x = 0; x < 16; x++) buf[x] = FFMAX(buf[x], tile[x]); buf += stride; tile += 16; } } void ass_merge_tile32_c(uint8_t *buf, ptrdiff_t stride, const uint8_t *tile) { for (int y = 0; y < 32; y++) { for (int x = 0; x < 32; x++) buf[x] = FFMAX(buf[x], tile[x]); buf += stride; tile += 32; } } libass-0.17.1/libass/ass_render.c0000644060175106017510000036252114376664500013606 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #ifdef CONFIG_UNIBREAK #include #endif #include "ass.h" #include "ass_outline.h" #include "ass_render.h" #include "ass_parse.h" #include "ass_priv.h" #include "ass_shaper.h" #define MAX_GLYPHS_INITIAL 1024 #define MAX_LINES_INITIAL 64 #define MAX_BITMAPS_INITIAL 16 #define MAX_SUB_BITMAPS_INITIAL 64 #define SUBPIXEL_MASK 63 #define STROKER_PRECISION 16 // stroker error in integer units, unrelated to final accuracy #define RASTERIZER_PRECISION 16 // rasterizer spline approximation error in 1/64 pixel units #define POSITION_PRECISION 8.0 // rough estimate of transform error in 1/64 pixel units #define MAX_PERSP_SCALE 16.0 #define SUBPIXEL_ORDER 3 // ~ log2(64 / POSITION_PRECISION) #define BLUR_PRECISION (1.0 / 256) // blur error as fraction of full input range static bool text_info_init(TextInfo* text_info) { text_info->max_bitmaps = MAX_BITMAPS_INITIAL; text_info->max_glyphs = MAX_GLYPHS_INITIAL; text_info->max_lines = MAX_LINES_INITIAL; text_info->n_bitmaps = 0; text_info->combined_bitmaps = calloc(MAX_BITMAPS_INITIAL, sizeof(CombinedBitmapInfo)); text_info->glyphs = calloc(MAX_GLYPHS_INITIAL, sizeof(GlyphInfo)); text_info->event_text = calloc(MAX_GLYPHS_INITIAL, sizeof(FriBidiChar)); text_info->breaks = malloc(MAX_GLYPHS_INITIAL); text_info->lines = calloc(MAX_LINES_INITIAL, sizeof(LineInfo)); if (!text_info->combined_bitmaps || !text_info->glyphs || !text_info->lines || !text_info->breaks || !text_info->event_text) return false; return true; } static void text_info_done(TextInfo* text_info) { free(text_info->glyphs); free(text_info->event_text); free(text_info->breaks); free(text_info->lines); free(text_info->combined_bitmaps); } ASS_Renderer *ass_renderer_init(ASS_Library *library) { int error; FT_Library ft; ASS_Renderer *priv = 0; int vmajor, vminor, vpatch; ass_msg(library, MSGL_INFO, "libass API version: 0x%X", LIBASS_VERSION); ass_msg(library, MSGL_INFO, "libass source: %s", CONFIG_SOURCEVERSION); error = FT_Init_FreeType(&ft); if (error) { ass_msg(library, MSGL_FATAL, "%s failed", "FT_Init_FreeType"); goto fail; } FT_Library_Version(ft, &vmajor, &vminor, &vpatch); ass_msg(library, MSGL_V, "Raster: FreeType %d.%d.%d", vmajor, vminor, vpatch); priv = calloc(1, sizeof(ASS_Renderer)); if (!priv) { FT_Done_FreeType(ft); goto fail; } priv->library = library; priv->ftlibrary = ft; // images_root and related stuff is zero-filled in calloc #if CONFIG_ASM && ARCH_X86 bool sse2, avx2; ass_cpu_capabilities(&sse2, &avx2); if (avx2) priv->engine = &ass_bitmap_engine_avx2; else if (sse2) priv->engine = &ass_bitmap_engine_sse2; else priv->engine = &ass_bitmap_engine_c; #else priv->engine = &ass_bitmap_engine_c; #endif if (!ass_rasterizer_init(priv->engine, &priv->state.rasterizer, RASTERIZER_PRECISION)) goto fail; priv->cache.font_cache = ass_font_cache_create(); priv->cache.bitmap_cache = ass_bitmap_cache_create(); priv->cache.composite_cache = ass_composite_cache_create(); priv->cache.outline_cache = ass_outline_cache_create(); priv->cache.metrics_cache = ass_glyph_metrics_cache_create(); if (!priv->cache.font_cache || !priv->cache.bitmap_cache || !priv->cache.composite_cache || !priv->cache.outline_cache || !priv->cache.metrics_cache) goto fail; priv->cache.glyph_max = GLYPH_CACHE_MAX; priv->cache.bitmap_max_size = BITMAP_CACHE_MAX_SIZE; priv->cache.composite_max_size = COMPOSITE_CACHE_MAX_SIZE; if (!text_info_init(&priv->text_info)) goto fail; priv->user_override_style.Name = "OverrideStyle"; // name insignificant priv->state.renderer = priv; priv->state.text_info = &priv->text_info; priv->settings.font_size_coeff = 1.; priv->settings.selective_style_overrides = ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE; if (!(priv->state.shaper = ass_shaper_new(priv->cache.metrics_cache))) goto fail; ass_shaper_info(library); priv->settings.shaper = ASS_SHAPING_COMPLEX; ass_msg(library, MSGL_V, "Initialized"); return priv; fail: ass_msg(library, MSGL_ERR, "Initialization failed"); ass_renderer_done(priv); return NULL; } void ass_renderer_done(ASS_Renderer *render_priv) { if (!render_priv) return; ass_frame_unref(render_priv->images_root); ass_frame_unref(render_priv->prev_images_root); ass_cache_done(render_priv->cache.composite_cache); ass_cache_done(render_priv->cache.bitmap_cache); ass_cache_done(render_priv->cache.outline_cache); ass_cache_done(render_priv->cache.metrics_cache); ass_shaper_free(render_priv->state.shaper); ass_cache_done(render_priv->cache.font_cache); ass_rasterizer_done(&render_priv->state.rasterizer); if (render_priv->fontselect) ass_fontselect_free(render_priv->fontselect); if (render_priv->ftlibrary) FT_Done_FreeType(render_priv->ftlibrary); free(render_priv->eimg); text_info_done(&render_priv->text_info); free(render_priv->settings.default_font); free(render_priv->settings.default_family); free(render_priv->user_override_style.FontName); free(render_priv); } /** * \brief Create a new ASS_Image * Parameters are the same as ASS_Image fields. */ static ASS_Image *my_draw_bitmap(unsigned char *bitmap, int bitmap_w, int bitmap_h, int stride, int dst_x, int dst_y, uint32_t color, CompositeHashValue *source) { ASS_ImagePriv *img = malloc(sizeof(ASS_ImagePriv)); if (!img) { if (!source) ass_aligned_free(bitmap); return NULL; } img->result.w = bitmap_w; img->result.h = bitmap_h; img->result.stride = stride; img->result.bitmap = bitmap; img->result.color = color; img->result.dst_x = dst_x; img->result.dst_y = dst_y; img->source = source; ass_cache_inc_ref(source); img->buffer = source ? NULL : bitmap; img->ref_count = 0; return &img->result; } /** * \brief Mapping between script and screen coordinates */ static double x2scr_pos(ASS_Renderer *render_priv, double x) { return x * render_priv->frame_content_width / render_priv->par_scale_x / render_priv->track->PlayResX + render_priv->settings.left_margin; } static double x2scr_left(RenderContext *state, double x) { ASS_Renderer *render_priv = state->renderer; if (state->explicit || !render_priv->settings.use_margins) return x2scr_pos(render_priv, x); return x * render_priv->fit_width / render_priv->par_scale_x / render_priv->track->PlayResX; } static double x2scr_right(RenderContext *state, double x) { ASS_Renderer *render_priv = state->renderer; if (state->explicit || !render_priv->settings.use_margins) return x2scr_pos(render_priv, x); return x * render_priv->fit_width / render_priv->par_scale_x / render_priv->track->PlayResX + (render_priv->width - render_priv->fit_width); } static double x2scr_pos_scaled(ASS_Renderer *render_priv, double x) { return x * render_priv->frame_content_width / render_priv->track->PlayResX + render_priv->settings.left_margin; } /** * \brief Mapping between script and screen coordinates */ static double y2scr_pos(ASS_Renderer *render_priv, double y) { return y * render_priv->frame_content_height / render_priv->track->PlayResY + render_priv->settings.top_margin; } static double y2scr(RenderContext *state, double y) { ASS_Renderer *render_priv = state->renderer; if (state->explicit || !render_priv->settings.use_margins) return y2scr_pos(render_priv, y); return y * render_priv->fit_height / render_priv->track->PlayResY + (render_priv->height - render_priv->fit_height) * 0.5; } // the same for toptitles static double y2scr_top(RenderContext *state, double y) { ASS_Renderer *render_priv = state->renderer; if (state->explicit || !render_priv->settings.use_margins) return y2scr_pos(render_priv, y); return y * render_priv->fit_height / render_priv->track->PlayResY; } // the same for subtitles static double y2scr_sub(RenderContext *state, double y) { ASS_Renderer *render_priv = state->renderer; if (state->explicit || !render_priv->settings.use_margins) return y2scr_pos(render_priv, y); return y * render_priv->fit_height / render_priv->track->PlayResY + (render_priv->height - render_priv->fit_height); } /* * \brief Convert bitmap glyphs into ASS_Image list with inverse clipping * * Inverse clipping with the following strategy: * - find rectangle from (x0, y0) to (cx0, y1) * - find rectangle from (cx0, y0) to (cx1, cy0) * - find rectangle from (cx0, cy1) to (cx1, y1) * - find rectangle from (cx1, y0) to (x1, y1) * These rectangles can be invalid and in this case are discarded. * Afterwards, they are clipped against the screen coordinates. * In an additional pass, the rectangles need to be split up left/right for * karaoke effects. This can result in a lot of bitmaps (6 to be exact). */ static ASS_Image **render_glyph_i(RenderContext *state, Bitmap *bm, int dst_x, int dst_y, uint32_t color, uint32_t color2, int brk, ASS_Image **tail, unsigned type, CompositeHashValue *source) { ASS_Renderer *render_priv = state->renderer; int i, j, x0, y0, x1, y1, cx0, cy0, cx1, cy1, sx, sy, zx, zy; Rect r[4]; ASS_Image *img; dst_x += bm->left; dst_y += bm->top; brk -= dst_x; // we still need to clip against screen boundaries zx = x2scr_pos_scaled(render_priv, 0); zy = y2scr_pos(render_priv, 0); sx = x2scr_pos_scaled(render_priv, render_priv->track->PlayResX); sy = y2scr_pos(render_priv, render_priv->track->PlayResY); x0 = 0; y0 = 0; x1 = bm->w; y1 = bm->h; cx0 = state->clip_x0 - dst_x; cy0 = state->clip_y0 - dst_y; cx1 = state->clip_x1 - dst_x; cy1 = state->clip_y1 - dst_y; // calculate rectangles and discard invalid ones while we're at it. i = 0; r[i].x0 = x0; r[i].y0 = y0; r[i].x1 = (cx0 > x1) ? x1 : cx0; r[i].y1 = y1; if (r[i].x1 > r[i].x0 && r[i].y1 > r[i].y0) i++; r[i].x0 = (cx0 < 0) ? x0 : cx0; r[i].y0 = y0; r[i].x1 = (cx1 > x1) ? x1 : cx1; r[i].y1 = (cy0 > y1) ? y1 : cy0; if (r[i].x1 > r[i].x0 && r[i].y1 > r[i].y0) i++; r[i].x0 = (cx0 < 0) ? x0 : cx0; r[i].y0 = (cy1 < 0) ? y0 : cy1; r[i].x1 = (cx1 > x1) ? x1 : cx1; r[i].y1 = y1; if (r[i].x1 > r[i].x0 && r[i].y1 > r[i].y0) i++; r[i].x0 = (cx1 < 0) ? x0 : cx1; r[i].y0 = y0; r[i].x1 = x1; r[i].y1 = y1; if (r[i].x1 > r[i].x0 && r[i].y1 > r[i].y0) i++; // clip each rectangle to screen coordinates for (j = 0; j < i; j++) { r[j].x0 = (r[j].x0 + dst_x < zx) ? zx - dst_x : r[j].x0; r[j].y0 = (r[j].y0 + dst_y < zy) ? zy - dst_y : r[j].y0; r[j].x1 = (r[j].x1 + dst_x > sx) ? sx - dst_x : r[j].x1; r[j].y1 = (r[j].y1 + dst_y > sy) ? sy - dst_y : r[j].y1; } // draw the rectangles for (j = 0; j < i; j++) { int lbrk = brk; // kick out rectangles that are invalid now if (r[j].x1 <= r[j].x0 || r[j].y1 <= r[j].y0) continue; // split up into left and right for karaoke, if needed if (lbrk > r[j].x0) { if (lbrk > r[j].x1) lbrk = r[j].x1; img = my_draw_bitmap(bm->buffer + r[j].y0 * bm->stride + r[j].x0, lbrk - r[j].x0, r[j].y1 - r[j].y0, bm->stride, dst_x + r[j].x0, dst_y + r[j].y0, color, source); if (!img) break; img->type = type; *tail = img; tail = &img->next; } if (lbrk < r[j].x1) { if (lbrk < r[j].x0) lbrk = r[j].x0; img = my_draw_bitmap(bm->buffer + r[j].y0 * bm->stride + lbrk, r[j].x1 - lbrk, r[j].y1 - r[j].y0, bm->stride, dst_x + lbrk, dst_y + r[j].y0, color2, source); if (!img) break; img->type = type; *tail = img; tail = &img->next; } } return tail; } /** * \brief convert bitmap glyph into ASS_Image struct(s) * \param bit freetype bitmap glyph, FT_PIXEL_MODE_GRAY * \param dst_x bitmap x coordinate in video frame * \param dst_y bitmap y coordinate in video frame * \param color first color, RGBA * \param color2 second color, RGBA * \param brk x coordinate relative to glyph origin, color is used to the left of brk, color2 - to the right * \param tail pointer to the last image's next field, head of the generated list should be stored here * \return pointer to the new list tail * Performs clipping. Uses my_draw_bitmap for actual bitmap convertion. */ static ASS_Image ** render_glyph(RenderContext *state, Bitmap *bm, int dst_x, int dst_y, uint32_t color, uint32_t color2, int brk, ASS_Image **tail, unsigned type, CompositeHashValue *source) { // Inverse clipping in use? if (state->clip_mode) return render_glyph_i(state, bm, dst_x, dst_y, color, color2, brk, tail, type, source); // brk is absolute // color = color left of brk // color2 = color right of brk int b_x0, b_y0, b_x1, b_y1; // visible part of the bitmap int clip_x0, clip_y0, clip_x1, clip_y1; int tmp; ASS_Image *img; ASS_Renderer *render_priv = state->renderer; dst_x += bm->left; dst_y += bm->top; brk -= dst_x; // clipping clip_x0 = FFMINMAX(state->clip_x0, 0, render_priv->width); clip_y0 = FFMINMAX(state->clip_y0, 0, render_priv->height); clip_x1 = FFMINMAX(state->clip_x1, 0, render_priv->width); clip_y1 = FFMINMAX(state->clip_y1, 0, render_priv->height); b_x0 = 0; b_y0 = 0; b_x1 = bm->w; b_y1 = bm->h; tmp = dst_x - clip_x0; if (tmp < 0) b_x0 = -tmp; tmp = dst_y - clip_y0; if (tmp < 0) b_y0 = -tmp; tmp = clip_x1 - dst_x - bm->w; if (tmp < 0) b_x1 = bm->w + tmp; tmp = clip_y1 - dst_y - bm->h; if (tmp < 0) b_y1 = bm->h + tmp; if ((b_y0 >= b_y1) || (b_x0 >= b_x1)) return tail; if (brk > b_x0) { // draw left part if (brk > b_x1) brk = b_x1; img = my_draw_bitmap(bm->buffer + bm->stride * b_y0 + b_x0, brk - b_x0, b_y1 - b_y0, bm->stride, dst_x + b_x0, dst_y + b_y0, color, source); if (!img) return tail; img->type = type; *tail = img; tail = &img->next; } if (brk < b_x1) { // draw right part if (brk < b_x0) brk = b_x0; img = my_draw_bitmap(bm->buffer + bm->stride * b_y0 + brk, b_x1 - brk, b_y1 - b_y0, bm->stride, dst_x + brk, dst_y + b_y0, color2, source); if (!img) return tail; img->type = type; *tail = img; tail = &img->next; } return tail; } static bool quantize_transform(double m[3][3], ASS_Vector *pos, ASS_DVector *offset, bool first, BitmapHashKey *key) { // Full transform: // x_out = (m_xx * x + m_xy * y + m_xz) / z, // y_out = (m_yx * x + m_yy * y + m_yz) / z, // z = m_zx * x + m_zy * y + m_zz. const double max_val = 1000000; const ASS_Rect *bbox = &key->outline->cbox; double x0 = (bbox->x_min + bbox->x_max) / 2.0; double y0 = (bbox->y_min + bbox->y_max) / 2.0; double dx = (bbox->x_max - bbox->x_min) / 2.0 + 64; double dy = (bbox->y_max - bbox->y_min) / 2.0 + 64; // Change input coordinates' origin to (x0, y0), // after that transformation x:[-dx, dx], y:[-dy, dy], // max|x| = dx and max|y| = dy. for (int i = 0; i < 3; i++) m[i][2] += m[i][0] * x0 + m[i][1] * y0; if (m[2][2] <= 0) return false; double w = 1 / m[2][2]; // Transformed center of bounding box double center[2] = { m[0][2] * w, m[1][2] * w }; // Change output coordinates' origin to center, // m_xz and m_yz is skipped as it becomes 0 and no longer needed. for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++) m[i][j] -= m[2][j] * center[i]; double delta[2] = {0}; if (!first) { delta[0] = offset->x; delta[1] = offset->y; } int32_t qr[2]; // quantized center position for (int i = 0; i < 2; i++) { center[i] /= 64 >> SUBPIXEL_ORDER; center[i] -= delta[i]; if (!(fabs(center[i]) < max_val)) return false; qr[i] = lrint(center[i]); } // Minimal bounding box z coordinate double z0 = m[2][2] - fabs(m[2][0]) * dx - fabs(m[2][1]) * dy; // z0 clamped to z_center / MAX_PERSP_SCALE to mitigate problems with small z w = 1.0 / POSITION_PRECISION / FFMAX(z0, m[2][2] / MAX_PERSP_SCALE); double mul[2] = { dx * w, dy * w }; // 1 / q_x, 1 / q_y // z0 = m_zz - |m_zx| * dx - |m_zy| * dy, // m_zz = z0 + |m_zx| * dx + |m_zy| * dy, // z = m_zx * x + m_zy * y + m_zz // = m_zx * (x + sign(m_zx) * dx) + m_zy * (y + sign(m_zy) * dy) + z0. // Let D(f) denote the absolute error of a quantity f. // Our goal is to determine tolerable error for matrix coefficients, // so that the total error of the output x_out, y_out is still acceptable. // As glyph dimensions are usually larger than a couple of pixels, errors // will be relatively small and we can use first order approximation. // z0 is effectively a scale factor and can thus be treated as a constant. // Error of constants is obviously zero, so: D(dx) = D(dy) = D(z0) = 0. // For arbitrary quantities A, B, C with C not zero, the following holds true: // D(A * B) <= D(A) * max|B| + max|A| * D(B), // D(1 / C) <= D(C) * max|1 / C^2|. // Write ~ for 'same magnitude' and ~= for 'approximately'. // D(x_out) = D((m_xx * x + m_xy * y) / z) // <= D(m_xx * x + m_xy * y) * max|1 / z| + max|m_xx * x + m_xy * y| * D(1 / z) // <= (D(m_xx) * dx + D(m_xy) * dy) / z0 + (|m_xx| * dx + |m_xy| * dy) * D(z) / z0^2, // D(y_out) = D((m_yx * x + m_yy * y) / z) // <= D(m_yx * x + m_yy * y) * max|1 / z| + max|m_yx * x + m_yy * y| * D(1 / z) // <= (D(m_yx) * dx + D(m_yy) * dy) / z0 + (|m_yx| * dx + |m_yy| * dy) * D(z) / z0^2, // |m_xx| * dx + |m_xy| * dy = x_lim, // |m_yx| * dx + |m_yy| * dy = y_lim, // D(z) <= 2 * (D(m_zx) * dx + D(m_zy) * dy), // D(x_out) <= (D(m_xx) * dx + D(m_xy) * dy) / z0 // + 2 * (D(m_zx) * dx + D(m_zy) * dy) * x_lim / z0^2, // D(y_out) <= (D(m_yx) * dx + D(m_yy) * dy) / z0 // + 2 * (D(m_zx) * dx + D(m_zy) * dy) * y_lim / z0^2. // To estimate acceptable error in a matrix coefficient, pick ACCURACY for this substep, // set error in all other coefficients to zero and solve the system // D(x_out) <= ACCURACY, D(y_out) <= ACCURACY for desired D(m_ij). // Note that ACCURACY isn't equal to total error. // Total error is larger than each ACCURACY, but still of the same magnitude. // Via our choice of ACCURACY, we get a total error of up to several POSITION_PRECISION. // Quantization steps (pick: ACCURARY = POSITION_PRECISION): // D(m_xx), D(m_yx) ~ q_x = POSITION_PRECISION * z0 / dx, // D(m_xy), D(m_yy) ~ q_y = POSITION_PRECISION * z0 / dy, // qm_xx = round(m_xx / q_x), qm_xy = round(m_xy / q_y), // qm_yx = round(m_yx / q_x), qm_yy = round(m_yy / q_y). int32_t qm[3][2]; for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++) { double val = m[i][j] * mul[j]; if (!(fabs(val) < max_val)) return false; qm[i][j] = lrint(val); } // x_lim = |m_xx| * dx + |m_xy| * dy // ~= |qm_xx| * q_x * dx + |qm_xy| * q_y * dy // = (|qm_xx| + |qm_xy|) * POSITION_PRECISION * z0, // y_lim = |m_yx| * dx + |m_yy| * dy // ~= |qm_yx| * q_x * dx + |qm_yy| * q_y * dy // = (|qm_yx| + |qm_yy|) * POSITION_PRECISION * z0, // max(x_lim, y_lim) / z0 ~= w // = max(|qm_xx| + |qm_xy|, |qm_yx| + |qm_yy|) * POSITION_PRECISION. // Quantization steps (pick: ACCURACY = 2 * POSITION_PRECISION): // D(m_zx) ~ POSITION_PRECISION * z0^2 / max(x_lim, y_lim) / dx ~= q_zx = q_x / w, // D(m_zy) ~ POSITION_PRECISION * z0^2 / max(x_lim, y_lim) / dy ~= q_zy = q_y / w, // qm_zx = round(m_zx / q_zx), qm_zy = round(m_zy / q_zy). int32_t qmx = abs(qm[0][0]) + abs(qm[0][1]); int32_t qmy = abs(qm[1][0]) + abs(qm[1][1]); w = POSITION_PRECISION * FFMAX(qmx, qmy); mul[0] *= w; mul[1] *= w; for (int j = 0; j < 2; j++) { double val = m[2][j] * mul[j]; if (!(fabs(val) < max_val)) return false; qm[2][j] = lrint(val); } if (first && offset) { offset->x = center[0] - qr[0]; offset->y = center[1] - qr[1]; } *pos = (ASS_Vector) { .x = qr[0] >> SUBPIXEL_ORDER, .y = qr[1] >> SUBPIXEL_ORDER, }; key->offset.x = qr[0] & ((1 << SUBPIXEL_ORDER) - 1); key->offset.y = qr[1] & ((1 << SUBPIXEL_ORDER) - 1); key->matrix_x.x = qm[0][0]; key->matrix_x.y = qm[0][1]; key->matrix_y.x = qm[1][0]; key->matrix_y.y = qm[1][1]; key->matrix_z.x = qm[2][0]; key->matrix_z.y = qm[2][1]; return true; } static void restore_transform(double m[3][3], const BitmapHashKey *key) { const ASS_Rect *bbox = &key->outline->cbox; double x0 = (bbox->x_min + bbox->x_max) / 2.0; double y0 = (bbox->y_min + bbox->y_max) / 2.0; double dx = (bbox->x_max - bbox->x_min) / 2.0 + 64; double dy = (bbox->y_max - bbox->y_min) / 2.0 + 64; // Arbitrary scale has chosen so that z0 = 1 double q_x = POSITION_PRECISION / dx; double q_y = POSITION_PRECISION / dy; m[0][0] = key->matrix_x.x * q_x; m[0][1] = key->matrix_x.y * q_y; m[1][0] = key->matrix_y.x * q_x; m[1][1] = key->matrix_y.y * q_y; int32_t qmx = abs(key->matrix_x.x) + abs(key->matrix_x.y); int32_t qmy = abs(key->matrix_y.x) + abs(key->matrix_y.y); double scale_z = 1.0 / POSITION_PRECISION / FFMAX(qmx, qmy); m[2][0] = key->matrix_z.x * q_x * scale_z; // qm_zx * q_zx m[2][1] = key->matrix_z.y * q_y * scale_z; // qm_zy * q_zy m[0][2] = m[1][2] = 0; m[2][2] = 1 + fabs(m[2][0]) * dx + fabs(m[2][1]) * dy; m[2][2] = FFMIN(m[2][2], MAX_PERSP_SCALE); double center[2] = { key->offset.x * (64 >> SUBPIXEL_ORDER), key->offset.y * (64 >> SUBPIXEL_ORDER), }; for (int i = 0; i < 2; i++) for (int j = 0; j < 3; j++) m[i][j] += m[2][j] * center[i]; for (int i = 0; i < 3; i++) m[i][2] -= m[i][0] * x0 + m[i][1] * y0; } // Calculate bitmap memory footprint static inline size_t bitmap_size(const Bitmap *bm) { return bm->stride * bm->h; } /** * Iterate through a list of bitmaps and blend with clip vector, if * applicable. The blended bitmaps are added to a free list which is freed * at the start of a new frame. */ static void blend_vector_clip(RenderContext *state, ASS_Image *head) { if (!state->clip_drawing_text.str) return; ASS_Renderer *render_priv = state->renderer; OutlineHashKey ol_key; ol_key.type = OUTLINE_DRAWING; ol_key.u.drawing.text = state->clip_drawing_text; double m[3][3] = {{0}}; int32_t scale_base = lshiftwrapi(1, state->clip_drawing_scale - 1); double w = scale_base > 0 ? (1.0 / scale_base) : 0; m[0][0] = state->screen_scale_x * w; m[1][1] = state->screen_scale_y * w; m[2][2] = 1; m[0][2] = int_to_d6(render_priv->settings.left_margin); m[1][2] = int_to_d6(render_priv->settings.top_margin); ASS_Vector pos; BitmapHashKey key; key.outline = ass_cache_get(render_priv->cache.outline_cache, &ol_key, render_priv); if (!key.outline || !key.outline->valid || !quantize_transform(m, &pos, NULL, true, &key)) { ass_cache_dec_ref(key.outline); return; } Bitmap *clip_bm = ass_cache_get(render_priv->cache.bitmap_cache, &key, state); if (!clip_bm) return; // Iterate through bitmaps and blend/clip them for (ASS_Image *cur = head; cur; cur = cur->next) { int left, top, right, bottom, w, h; int ax, ay, aw, ah, as; int bx, by, bw, bh, bs; int aleft, atop, bleft, btop; unsigned char *abuffer, *bbuffer, *nbuffer; abuffer = cur->bitmap; bbuffer = clip_bm->buffer; ax = cur->dst_x; ay = cur->dst_y; aw = cur->w; ah = cur->h; as = cur->stride; bx = pos.x + clip_bm->left; by = pos.y + clip_bm->top; bw = clip_bm->w; bh = clip_bm->h; bs = clip_bm->stride; // Calculate overlap coordinates left = (ax > bx) ? ax : bx; top = (ay > by) ? ay : by; right = ((ax + aw) < (bx + bw)) ? (ax + aw) : (bx + bw); bottom = ((ay + ah) < (by + bh)) ? (ay + ah) : (by + bh); aleft = left - ax; atop = top - ay; w = right - left; h = bottom - top; bleft = left - bx; btop = top - by; unsigned align = 1 << render_priv->engine->align_order; if (state->clip_drawing_mode) { // Inverse clip if (ax + aw < bx || ay + ah < by || ax > bx + bw || ay > by + bh || !h || !w) { continue; } // Allocate new buffer and add to free list nbuffer = ass_aligned_alloc(align, as * ah + align, false); if (!nbuffer) break; // Blend together memcpy(nbuffer, abuffer, ((ah - 1) * as) + aw); render_priv->engine->imul_bitmaps(nbuffer + atop * as + aleft, as, bbuffer + btop * bs + bleft, bs, w, h); } else { // Regular clip if (ax + aw < bx || ay + ah < by || ax > bx + bw || ay > by + bh || !h || !w) { cur->w = cur->h = cur->stride = 0; continue; } // Allocate new buffer and add to free list unsigned ns = ass_align(align, w); nbuffer = ass_aligned_alloc(align, ns * h + align, false); if (!nbuffer) break; // Blend together render_priv->engine->mul_bitmaps(nbuffer, ns, abuffer + atop * as + aleft, as, bbuffer + btop * bs + bleft, bs, w, h); cur->dst_x += aleft; cur->dst_y += atop; cur->w = w; cur->h = h; cur->stride = ns; } ASS_ImagePriv *priv = (ASS_ImagePriv *) cur; priv->buffer = cur->bitmap = nbuffer; ass_cache_dec_ref(priv->source); priv->source = NULL; } ass_cache_dec_ref(clip_bm); } /** * \brief Convert TextInfo struct to ASS_Image list * Splits glyphs in halves when needed (for \kf karaoke). */ static ASS_Image *render_text(RenderContext *state) { ASS_Image *head; ASS_Image **tail = &head; unsigned n_bitmaps = state->text_info->n_bitmaps; CombinedBitmapInfo *bitmaps = state->text_info->combined_bitmaps; for (unsigned i = 0; i < n_bitmaps; i++) { CombinedBitmapInfo *info = &bitmaps[i]; if (!info->bm_s || state->border_style == 4) continue; tail = render_glyph(state, info->bm_s, info->x, info->y, info->c[3], 0, 1000000, tail, IMAGE_TYPE_SHADOW, info->image); } for (unsigned i = 0; i < n_bitmaps; i++) { CombinedBitmapInfo *info = &bitmaps[i]; if (!info->bm_o) continue; if ((info->effect_type == EF_KARAOKE_KO) && (info->effect_timing <= 0)) { // do nothing } else { tail = render_glyph(state, info->bm_o, info->x, info->y, info->c[2], 0, 1000000, tail, IMAGE_TYPE_OUTLINE, info->image); } } for (unsigned i = 0; i < n_bitmaps; i++) { CombinedBitmapInfo *info = &bitmaps[i]; if (!info->bm) continue; if ((info->effect_type == EF_KARAOKE) || (info->effect_type == EF_KARAOKE_KO)) { if (info->effect_timing > 0) tail = render_glyph(state, info->bm, info->x, info->y, info->c[0], 0, 1000000, tail, IMAGE_TYPE_CHARACTER, info->image); else tail = render_glyph(state, info->bm, info->x, info->y, info->c[1], 0, 1000000, tail, IMAGE_TYPE_CHARACTER, info->image); } else if (info->effect_type == EF_KARAOKE_KF) { tail = render_glyph(state, info->bm, info->x, info->y, info->c[0], info->c[1], info->effect_timing, tail, IMAGE_TYPE_CHARACTER, info->image); } else tail = render_glyph(state, info->bm, info->x, info->y, info->c[0], 0, 1000000, tail, IMAGE_TYPE_CHARACTER, info->image); } for (unsigned i = 0; i < n_bitmaps; i++) ass_cache_dec_ref(bitmaps[i].image); *tail = 0; blend_vector_clip(state, head); return head; } static void compute_string_bbox(TextInfo *text, ASS_DRect *bbox) { if (text->length > 0) { bbox->x_min = +32000; bbox->x_max = -32000; bbox->y_min = -text->lines[0].asc; bbox->y_max = bbox->y_min + text->height; for (int i = 0; i < text->length; i++) { GlyphInfo *info = text->glyphs + i; if (info->skip) continue; double s = d6_to_double(info->pos.x); double e = s + d6_to_double(info->cluster_advance.x); bbox->x_min = FFMIN(bbox->x_min, s); bbox->x_max = FFMAX(bbox->x_max, e); } } else bbox->x_min = bbox->x_max = bbox->y_min = bbox->y_max = 0; } static ASS_Style *handle_selective_style_overrides(RenderContext *state, ASS_Style *rstyle) { // The script style is the one the event was declared with. ASS_Renderer *render_priv = state->renderer; ASS_Style *script = render_priv->track->styles + state->event->Style; // The user style was set with ass_set_selective_style_override(). ASS_Style *user = &render_priv->user_override_style; ASS_Style *new = &state->override_style_temp_storage; int explicit = state->explicit; int requested = render_priv->settings.selective_style_overrides; double scale; // Either the event's style, or the style forced with a \r tag. if (!rstyle) rstyle = script; // Create a new style that contains a mix of the original style and // user_style (the user's override style). Copy only fields from the // script's style that are deemed necessary. *new = *rstyle; state->apply_font_scale = !explicit || !(requested & ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE); // On positioned events, do not apply most overrides. if (explicit) requested = 0; if (requested & ASS_OVERRIDE_BIT_STYLE) requested |= ASS_OVERRIDE_BIT_FONT_NAME | ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS | ASS_OVERRIDE_BIT_COLORS | ASS_OVERRIDE_BIT_BORDER | ASS_OVERRIDE_BIT_ATTRIBUTES; // Copies fields even not covered by any of the other bits. if (requested & ASS_OVERRIDE_FULL_STYLE) *new = *user; // The user style is supposed to be independent of the script resolution. // Treat the user style's values as if they were specified for a script with // PlayResY=288, and rescale the values to the current script. scale = render_priv->track->PlayResY / 288.0; if (requested & ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS) { new->FontSize = user->FontSize * scale; new->Spacing = user->Spacing * scale; new->ScaleX = user->ScaleX; new->ScaleY = user->ScaleY; } if (requested & ASS_OVERRIDE_BIT_FONT_NAME) { new->FontName = user->FontName; new->treat_fontname_as_pattern = user->treat_fontname_as_pattern; } if (requested & ASS_OVERRIDE_BIT_COLORS) { new->PrimaryColour = user->PrimaryColour; new->SecondaryColour = user->SecondaryColour; new->OutlineColour = user->OutlineColour; new->BackColour = user->BackColour; } if (requested & ASS_OVERRIDE_BIT_ATTRIBUTES) { new->Bold = user->Bold; new->Italic = user->Italic; new->Underline = user->Underline; new->StrikeOut = user->StrikeOut; } if (requested & ASS_OVERRIDE_BIT_BORDER) { new->BorderStyle = user->BorderStyle; new->Outline = user->Outline * scale; new->Shadow = user->Shadow * scale; } if (requested & ASS_OVERRIDE_BIT_ALIGNMENT) new->Alignment = user->Alignment; if (requested & ASS_OVERRIDE_BIT_JUSTIFY) new->Justify = user->Justify; if (requested & ASS_OVERRIDE_BIT_MARGINS) { new->MarginL = user->MarginL; new->MarginR = user->MarginR; new->MarginV = user->MarginV; } if (!new->FontName) new->FontName = rstyle->FontName; state->style = new; state->overrides = requested; return new; } ASS_Vector ass_layout_res(ASS_Renderer *render_priv) { ASS_Track *track = render_priv->track; if (track->LayoutResX > 0 && track->LayoutResY > 0) return (ASS_Vector) { track->LayoutResX, track->LayoutResY }; ASS_Settings *settings = &render_priv->settings; if (settings->storage_width > 0 && settings->storage_height > 0) return (ASS_Vector) { settings->storage_width, settings->storage_height }; if (settings->par <= 0 || settings->par == 1 || !render_priv->frame_content_width || !render_priv->frame_content_height) return (ASS_Vector) { track->PlayResX, track->PlayResY }; if (settings->par > 1) return (ASS_Vector) { lround(track->PlayResY * render_priv->frame_content_width / render_priv->frame_content_height / settings->par), track->PlayResY }; else return (ASS_Vector) { track->PlayResX, lround(track->PlayResX * render_priv->frame_content_height / render_priv->frame_content_width * settings->par) }; } static void init_font_scale(RenderContext *state) { ASS_Renderer *render_priv = state->renderer; ASS_Settings *settings_priv = &render_priv->settings; double font_scr_w = render_priv->frame_content_width; double font_scr_h = render_priv->frame_content_height; if (!state->explicit && render_priv->settings.use_margins) { font_scr_w = render_priv->fit_width; font_scr_h = render_priv->fit_height; } state->screen_scale_x = font_scr_w / render_priv->track->PlayResX; state->screen_scale_y = font_scr_h / render_priv->track->PlayResY; ASS_Vector layout_res = ass_layout_res(render_priv); state->blur_scale_x = font_scr_w / layout_res.x; state->blur_scale_y = font_scr_h / layout_res.y; if (render_priv->track->ScaledBorderAndShadow) { state->border_scale_x = state->screen_scale_x; state->border_scale_y = state->screen_scale_y; } else { state->border_scale_x = state->blur_scale_x; state->border_scale_y = state->blur_scale_y; } if (state->apply_font_scale) { state->screen_scale_x *= settings_priv->font_size_coeff; state->screen_scale_y *= settings_priv->font_size_coeff; state->border_scale_x *= settings_priv->font_size_coeff; state->border_scale_y *= settings_priv->font_size_coeff; state->blur_scale_x *= settings_priv->font_size_coeff; state->blur_scale_y *= settings_priv->font_size_coeff; } } /** * \brief partially reset render_context to style values * Works like {\r}: resets some style overrides */ void ass_reset_render_context(RenderContext *state, ASS_Style *style) { style = handle_selective_style_overrides(state, style); init_font_scale(state); state->c[0] = style->PrimaryColour; state->c[1] = style->SecondaryColour; state->c[2] = style->OutlineColour; state->c[3] = style->BackColour; state->flags = (style->Underline ? DECO_UNDERLINE : 0) | (style->StrikeOut ? DECO_STRIKETHROUGH : 0); state->font_size = style->FontSize; state->family.str = style->FontName; state->family.len = strlen(style->FontName); state->treat_family_as_pattern = style->treat_fontname_as_pattern; state->bold = style->Bold; state->italic = style->Italic; ass_update_font(state); state->border_style = style->BorderStyle; state->border_x = style->Outline; state->border_y = style->Outline; state->scale_x = style->ScaleX; state->scale_y = style->ScaleY; state->hspacing = style->Spacing; state->be = 0; state->blur = style->Blur; state->shadow_x = style->Shadow; state->shadow_y = style->Shadow; state->frx = state->fry = 0.; state->frz = style->Angle; state->fax = state->fay = 0.; state->font_encoding = style->Encoding; } /** * \brief Start new event. Reset state. */ static void init_render_context(RenderContext *state, ASS_Event *event) { ASS_Renderer *render_priv = state->renderer; state->event = event; state->parsed_tags = 0; state->evt_type = EVENT_NORMAL; state->wrap_style = render_priv->track->WrapStyle; state->pos_x = 0; state->pos_y = 0; state->org_x = 0; state->org_y = 0; state->have_origin = 0; state->clip_x0 = 0; state->clip_y0 = 0; state->clip_x1 = render_priv->track->PlayResX; state->clip_y1 = render_priv->track->PlayResY; state->clip_mode = 0; state->detect_collisions = 1; state->fade = 0; state->drawing_scale = 0; state->pbo = 0; state->effect_type = EF_NONE; state->effect_timing = 0; state->effect_skip_timing = 0; state->reset_effect = false; ass_apply_transition_effects(state); state->explicit = state->evt_type != EVENT_NORMAL || ass_event_has_hard_overrides(event->Text); ass_reset_render_context(state, NULL); state->alignment = state->style->Alignment; state->justify = state->style->Justify; } static void free_render_context(RenderContext *state) { ass_cache_dec_ref(state->font); state->font = NULL; state->family.str = NULL; state->family.len = 0; state->clip_drawing_text.str = NULL; state->clip_drawing_text.len = 0; if (state->text_info) state->text_info->length = 0; } /** * \brief Get normal and outline (border) glyphs * \param info out: struct filled with extracted data * Tries to get both glyphs from cache. * If they can't be found, gets a glyph from font face, generates outline, * and add them to cache. */ static void get_outline_glyph(RenderContext *state, GlyphInfo *info) { ASS_Renderer *priv = state->renderer; OutlineHashValue *val; ASS_DVector scale, offset = {0}; int32_t asc, desc; OutlineHashKey key; if (info->drawing_text.str) { key.type = OUTLINE_DRAWING; key.u.drawing.text = info->drawing_text; val = ass_cache_get(priv->cache.outline_cache, &key, priv); if (!val || !val->valid) { ass_cache_dec_ref(val); return; } int32_t scale_base = lshiftwrapi(1, info->drawing_scale - 1); double w = scale_base > 0 ? (1.0 / scale_base) : 0; scale.x = info->scale_x * w * state->screen_scale_x / priv->par_scale_x; scale.y = info->scale_y * w * state->screen_scale_y; desc = 64 * info->drawing_pbo; asc = val->asc - desc; offset.y = -asc * scale.y; } else { key.type = OUTLINE_GLYPH; GlyphHashKey *k = &key.u.glyph; k->font = info->font; k->size = info->font_size; k->face_index = info->face_index; k->glyph_index = info->glyph_index; k->bold = info->bold; k->italic = info->italic; k->flags = info->flags; val = ass_cache_get(priv->cache.outline_cache, &key, priv); if (!val || !val->valid) { ass_cache_dec_ref(val); return; } scale.x = info->scale_x; scale.y = info->scale_y; asc = val->asc; desc = val->desc; } info->outline = val; info->transform.scale = scale; info->transform.offset = offset; info->bbox.x_min = lrint(val->cbox.x_min * scale.x + offset.x); info->bbox.y_min = lrint(val->cbox.y_min * scale.y + offset.y); info->bbox.x_max = lrint(val->cbox.x_max * scale.x + offset.x); info->bbox.y_max = lrint(val->cbox.y_max * scale.y + offset.y); if (info->drawing_text.str || priv->settings.shaper == ASS_SHAPING_SIMPLE) { info->cluster_advance.x = info->advance.x = lrint(val->advance * scale.x); info->cluster_advance.y = info->advance.y = 0; } info->asc = lrint(asc * scale.y); info->desc = lrint(desc * scale.y); } size_t ass_outline_construct(void *key, void *value, void *priv) { ASS_Renderer *render_priv = priv; OutlineHashKey *outline_key = key; OutlineHashValue *v = value; memset(v, 0, sizeof(*v)); switch (outline_key->type) { case OUTLINE_GLYPH: { GlyphHashKey *k = &outline_key->u.glyph; ass_face_set_size(k->font->faces[k->face_index], k->size); if (!ass_font_get_glyph(k->font, k->face_index, k->glyph_index, render_priv->settings.hinting)) return 1; if (!ass_get_glyph_outline(&v->outline[0], &v->advance, k->font->faces[k->face_index], k->flags)) return 1; ass_font_get_asc_desc(k->font, k->face_index, &v->asc, &v->desc); break; } case OUTLINE_DRAWING: { ASS_Rect bbox; const char *text = outline_key->u.drawing.text.str; // always zero-terminated if (!ass_drawing_parse(&v->outline[0], &bbox, text, render_priv->library)) return 1; v->advance = bbox.x_max - bbox.x_min; v->asc = bbox.y_max - bbox.y_min; v->desc = 0; break; } case OUTLINE_BORDER: { BorderHashKey *k = &outline_key->u.border; if (!k->border.x && !k->border.y) break; if (!k->outline->outline[0].n_points) break; ASS_Outline src; if (!ass_outline_scale_pow2(&src, &k->outline->outline[0], k->scale_ord_x, k->scale_ord_y)) return 1; if (!ass_outline_stroke(&v->outline[0], &v->outline[1], &src, k->border.x * STROKER_PRECISION, k->border.y * STROKER_PRECISION, STROKER_PRECISION)) { ass_msg(render_priv->library, MSGL_WARN, "Cannot stroke outline"); ass_outline_free(&v->outline[0]); ass_outline_free(&v->outline[1]); ass_outline_free(&src); return 1; } ass_outline_free(&src); break; } case OUTLINE_BOX: { ASS_Outline *ol = &v->outline[0]; if (!ass_outline_alloc(ol, 4, 4)) return 1; ol->points[0].x = ol->points[3].x = 0; ol->points[1].x = ol->points[2].x = 64; ol->points[0].y = ol->points[1].y = 0; ol->points[2].y = ol->points[3].y = 64; ol->segments[0] = OUTLINE_LINE_SEGMENT; ol->segments[1] = OUTLINE_LINE_SEGMENT; ol->segments[2] = OUTLINE_LINE_SEGMENT; ol->segments[3] = OUTLINE_LINE_SEGMENT | OUTLINE_CONTOUR_END; ol->n_points = ol->n_segments = 4; break; } default: return 1; } rectangle_reset(&v->cbox); ass_outline_update_cbox(&v->outline[0], &v->cbox); ass_outline_update_cbox(&v->outline[1], &v->cbox); if (v->cbox.x_min > v->cbox.x_max || v->cbox.y_min > v->cbox.y_max) v->cbox.x_min = v->cbox.y_min = v->cbox.x_max = v->cbox.y_max = 0; v->valid = true; return 1; } /** * \brief Calculate outline transformation matrix */ static void calc_transform_matrix(RenderContext *state, GlyphInfo *info, double m[3][3]) { ASS_Renderer *render_priv = state->renderer; double frx = ASS_PI / 180 * info->frx; double fry = ASS_PI / 180 * info->fry; double frz = ASS_PI / 180 * info->frz; double sx = -sin(frx), cx = cos(frx); double sy = sin(fry), cy = cos(fry); double sz = -sin(frz), cz = cos(frz); double fax = info->fax * info->scale_x / info->scale_y; double fay = info->fay * info->scale_y / info->scale_x; double x1[3] = { 1, fax, info->shift.x + info->asc * fax }; double y1[3] = { fay, 1, info->shift.y }; double x2[3], y2[3]; for (int i = 0; i < 3; i++) { x2[i] = x1[i] * cz - y1[i] * sz; y2[i] = x1[i] * sz + y1[i] * cz; } double y3[3], z3[3]; for (int i = 0; i < 3; i++) { y3[i] = y2[i] * cx; z3[i] = y2[i] * sx; } double x4[3], z4[3]; for (int i = 0; i < 3; i++) { x4[i] = x2[i] * cy - z3[i] * sy; z4[i] = x2[i] * sy + z3[i] * cy; } double dist = 20000 * state->blur_scale_y; z4[2] += dist; double scale_x = dist * render_priv->par_scale_x; double offs_x = info->pos.x - info->shift.x * render_priv->par_scale_x; double offs_y = info->pos.y - info->shift.y; for (int i = 0; i < 3; i++) { m[0][i] = z4[i] * offs_x + x4[i] * scale_x; m[1][i] = z4[i] * offs_y + y3[i] * dist; m[2][i] = z4[i]; } } /** * \brief Get bitmaps for a glyph * \param info glyph info * Tries to get glyph bitmaps from bitmap cache. * If they can't be found, they are generated by rotating and rendering the glyph. * After that, bitmaps are added to the cache. * They are returned in info->bm (glyph), info->bm_o (outline). */ static void get_bitmap_glyph(RenderContext *state, GlyphInfo *info, int32_t *leftmost_x, ASS_Vector *pos, ASS_Vector *pos_o, ASS_DVector *offset, bool first, int flags) { ASS_Renderer *render_priv = state->renderer; if (!info->outline || info->symbol == '\n' || info->symbol == 0 || info->skip) { ass_cache_dec_ref(info->outline); return; } double m1[3][3], m2[3][3], m[3][3]; const ASS_Transform *tr = &info->transform; calc_transform_matrix(state, info, m1); for (int i = 0; i < 3; i++) { m2[i][0] = m1[i][0] * tr->scale.x; m2[i][1] = m1[i][1] * tr->scale.y; m2[i][2] = m1[i][0] * tr->offset.x + m1[i][1] * tr->offset.y + m1[i][2]; } memcpy(m, m2, sizeof(m)); if (info->effect_type == EF_KARAOKE_KF) ass_outline_update_min_transformed_x(&info->outline->outline[0], m, leftmost_x); BitmapHashKey key; key.outline = info->outline; if (!quantize_transform(m, pos, offset, first, &key)) { ass_cache_dec_ref(info->outline); return; } info->bm = ass_cache_get(render_priv->cache.bitmap_cache, &key, state); if (!info->bm || !info->bm->buffer) { ass_cache_dec_ref(info->bm); info->bm = NULL; } *pos_o = *pos; OutlineHashKey ol_key; if (flags & FILTER_BORDER_STYLE_3) { if (!(flags & (FILTER_NONZERO_BORDER | FILTER_NONZERO_SHADOW))) return; ol_key.type = OUTLINE_BOX; ASS_DVector bord = { 64 * info->border_x * state->border_scale_x / render_priv->par_scale_x, 64 * info->border_y * state->border_scale_y, }; double width = info->hspacing_scaled + info->advance.x; double height = info->asc + info->desc; ASS_DVector orig_scale; orig_scale.x = info->scale_x * info->scale_fix; orig_scale.y = info->scale_y * info->scale_fix; // Emulate the WTFish behavior of VSFilter, i.e. double-scale // the sizes of the opaque box. bord.x *= orig_scale.x; bord.y *= orig_scale.y; width *= orig_scale.x; height *= orig_scale.y; // to avoid gaps bord.x = FFMAX(64, bord.x); bord.y = FFMAX(64, bord.y); ASS_DVector scale = { (width + 2 * bord.x) / 64, (height + 2 * bord.y) / 64, }; ASS_DVector offset = { -bord.x, -bord.y - info->asc }; for (int i = 0; i < 3; i++) { m[i][0] = m1[i][0] * scale.x; m[i][1] = m1[i][1] * scale.y; m[i][2] = m1[i][0] * offset.x + m1[i][1] * offset.y + m1[i][2]; } } else { if (!(flags & FILTER_NONZERO_BORDER)) return; ol_key.type = OUTLINE_BORDER; BorderHashKey *k = &ol_key.u.border; k->outline = info->outline; double bord_x = 64 * state->border_scale_x * info->border_x / tr->scale.x / render_priv->par_scale_x; double bord_y = 64 * state->border_scale_y * info->border_y / tr->scale.y; const ASS_Rect *bbox = &info->outline->cbox; // Estimate bounding box half size after stroking double dx = (bbox->x_max - bbox->x_min) / 2.0 + (bord_x + 64); double dy = (bbox->y_max - bbox->y_min) / 2.0 + (bord_y + 64); // Matrix after quantize_transform() has // input and output origin at bounding box center. double mxx = fabs(m[0][0]), mxy = fabs(m[0][1]); double myx = fabs(m[1][0]), myy = fabs(m[1][1]); double mzx = fabs(m[2][0]), mzy = fabs(m[2][1]); double z0 = m[2][2] - mzx * dx - mzy * dy; double w = 1 / FFMAX(z0, m[2][2] / MAX_PERSP_SCALE); // Notation from quantize_transform(). // Note that goal here is to estimate acceptable error for stroking, i. e. D(x) and D(y). // Matrix coefficients are constants now, so D(m_ij) = 0 for all i, j from {x, y, z}. // D(z) <= |m_zx| * D(x) + |m_zy| * D(y), // D(x_out) = D((m_xx * x + m_xy * y) / z) // <= (|m_xx| * D(x) + |m_xy| * D(y)) / z0 + x_lim * D(z) / z0^2 // <= (|m_xx| / z0 + |m_zx| * x_lim / z0^2) * D(x) // + (|m_xy| / z0 + |m_zy| * x_lim / z0^2) * D(y), // D(y_out) = D((m_yx * x + m_yy * y) / z) // <= (|m_yx| * D(x) + |m_yy| * D(y)) / z0 + y_lim * D(z) / z0^2 // <= (|m_yx| / z0 + |m_zx| * y_lim / z0^2) * D(x) // + (|m_yy| / z0 + |m_zy| * y_lim / z0^2) * D(y). // Quantization steps (pick: ACCURACY = POSITION_PRECISION): // STROKER_PRECISION / 2^scale_ord_x ~ D(x) ~ POSITION_PRECISION / // (max(|m_xx|, |m_yx|) / z0 + |m_zx| * max(x_lim, y_lim) / z0^2), // STROKER_PRECISION / 2^scale_ord_y ~ D(y) ~ POSITION_PRECISION / // (max(|m_xy|, |m_yy|) / z0 + |m_zy| * max(x_lim, y_lim) / z0^2). double x_lim = mxx * dx + mxy * dy; double y_lim = myx * dx + myy * dy; double rz = FFMAX(x_lim, y_lim) * w; w *= STROKER_PRECISION / POSITION_PRECISION; frexp(w * (FFMAX(mxx, myx) + mzx * rz), &k->scale_ord_x); frexp(w * (FFMAX(mxy, myy) + mzy * rz), &k->scale_ord_y); bord_x = ldexp(bord_x, k->scale_ord_x); bord_y = ldexp(bord_y, k->scale_ord_y); if (!(bord_x < OUTLINE_MAX && bord_y < OUTLINE_MAX)) return; k->border.x = lrint(bord_x / STROKER_PRECISION); k->border.y = lrint(bord_y / STROKER_PRECISION); if (!k->border.x && !k->border.y) { ass_cache_inc_ref(info->bm); info->bm_o = info->bm; return; } for (int i = 0; i < 3; i++) { m[i][0] = ldexp(m2[i][0], -k->scale_ord_x); m[i][1] = ldexp(m2[i][1], -k->scale_ord_y); m[i][2] = m2[i][2]; } } key.outline = ass_cache_get(render_priv->cache.outline_cache, &ol_key, render_priv); if (!key.outline || !key.outline->valid || !quantize_transform(m, pos_o, offset, false, &key)) { ass_cache_dec_ref(key.outline); return; } info->bm_o = ass_cache_get(render_priv->cache.bitmap_cache, &key, state); if (!info->bm_o || !info->bm_o->buffer) { ass_cache_dec_ref(info->bm_o); info->bm_o = NULL; *pos_o = *pos; } else if (!info->bm) *pos = *pos_o; } size_t ass_bitmap_construct(void *key, void *value, void *priv) { RenderContext *state = priv; BitmapHashKey *k = key; Bitmap *bm = value; double m[3][3]; restore_transform(m, k); ASS_Outline outline[2]; if (k->matrix_z.x || k->matrix_z.y) { ass_outline_transform_3d(&outline[0], &k->outline->outline[0], m); ass_outline_transform_3d(&outline[1], &k->outline->outline[1], m); } else { ass_outline_transform_2d(&outline[0], &k->outline->outline[0], m); ass_outline_transform_2d(&outline[1], &k->outline->outline[1], m); } if (!ass_outline_to_bitmap(state, bm, &outline[0], &outline[1])) memset(bm, 0, sizeof(*bm)); ass_outline_free(&outline[0]); ass_outline_free(&outline[1]); return sizeof(BitmapHashKey) + sizeof(Bitmap) + bitmap_size(bm); } static void measure_text_on_eol(RenderContext *state, double scale, int cur_line, int max_asc, int max_desc, double max_border_x, double max_border_y) { TextInfo *text_info = state->text_info; text_info->lines[cur_line].asc = scale * max_asc; text_info->lines[cur_line].desc = scale * max_desc; text_info->height += scale * max_asc + scale * max_desc; // For *VSFilter compatibility do biased rounding on max_border* // https://github.com/Cyberbeing/xy-VSFilter/blob/xy_sub_filter_rc4@%7B2020-05-17%7D/src/subtitles/RTS.cpp#L1465 text_info->border_bottom = (int) (state->border_scale_y * max_border_y + 0.5); if (cur_line == 0) text_info->border_top = text_info->border_bottom; // VSFilter takes max \bordx into account for collision, even if far from edge text_info->border_x = FFMAX(text_info->border_x, (int) (state->border_scale_x * max_border_x + 0.5)); } /** * This function goes through text_info and calculates text parameters. * The following text_info fields are filled: * height * border_top * border_bottom * border_x * lines[].asc * lines[].desc */ static void measure_text(RenderContext *state) { ASS_Renderer *render_priv = state->renderer; TextInfo *text_info = state->text_info; text_info->height = 0; text_info->border_x = 0; int cur_line = 0; double scale = 0.5 / 64; int max_asc = 0, max_desc = 0; double max_border_y = 0, max_border_x = 0; bool empty_trimmed_line = true; for (int i = 0; i < text_info->length; i++) { if (text_info->glyphs[i].linebreak) { measure_text_on_eol(state, scale, cur_line, max_asc, max_desc, max_border_x, max_border_y); empty_trimmed_line = true; max_asc = max_desc = 0; max_border_y = max_border_x = 0; scale = 0.5 / 64; cur_line++; } GlyphInfo *cur = text_info->glyphs + i; // VSFilter ignores metrics of line-leading/trailing (trimmed) // whitespace, except when the line becomes empty after trimming if (empty_trimmed_line && !cur->is_trimmed_whitespace) { empty_trimmed_line = false; // Forget metrics of line-leading whitespace max_asc = max_desc = 0; max_border_y = max_border_x = 0; } else if (!empty_trimmed_line && cur->is_trimmed_whitespace) { // Ignore metrics of line-trailing whitespace continue; } max_asc = FFMAX(max_asc, cur->asc); max_desc = FFMAX(max_desc, cur->desc); max_border_y = FFMAX(max_border_y, cur->border_y); max_border_x = FFMAX(max_border_x, cur->border_x); if (cur->symbol != '\n') scale = 1.0 / 64; } assert(cur_line == text_info->n_lines - 1); measure_text_on_eol(state, scale, cur_line, max_asc, max_desc, max_border_x, max_border_y); text_info->height += cur_line * render_priv->settings.line_spacing; } /** * Mark extra whitespace for later removal. */ #define IS_WHITESPACE(x) ((x->symbol == ' ' || x->symbol == '\n') \ && !x->linebreak) static void trim_whitespace(RenderContext *state) { int i, j; GlyphInfo *cur; TextInfo *ti = state->text_info; // Mark trailing spaces i = ti->length - 1; cur = ti->glyphs + i; while (i && IS_WHITESPACE(cur)) { cur->skip = true; cur->is_trimmed_whitespace = true; cur = ti->glyphs + --i; } // Mark leading whitespace i = 0; cur = ti->glyphs; while (i < ti->length && IS_WHITESPACE(cur)) { cur->skip = true; cur->is_trimmed_whitespace = true; cur = ti->glyphs + ++i; } if (i < ti->length) cur->starts_new_run = true; // Mark all extraneous whitespace inbetween for (i = 0; i < ti->length; ++i) { cur = ti->glyphs + i; if (cur->linebreak) { // Mark whitespace before j = i - 1; cur = ti->glyphs + j; while (j && IS_WHITESPACE(cur)) { cur->skip = true; cur->is_trimmed_whitespace = true; cur = ti->glyphs + --j; } // A break itself can contain a whitespace, too cur = ti->glyphs + i; if (cur->symbol == ' ' || cur->symbol == '\n') { cur->skip = true; cur->is_trimmed_whitespace = true; // Mark whitespace after j = i + 1; cur = ti->glyphs + j; while (j < ti->length && IS_WHITESPACE(cur)) { cur->skip = true; cur->is_trimmed_whitespace = true; cur = ti->glyphs + ++j; } i = j - 1; } if (cur < ti->glyphs + ti->length) cur->starts_new_run = true; } } } #undef IS_WHITESPACE #ifdef CONFIG_UNIBREAK #define ALLOWBREAK(glyph, index) (unibrks ? unibrks[index] == LINEBREAK_ALLOWBREAK : glyph == ' ') #define FORCEBREAK(glyph, index) (unibrks ? unibrks[index] == LINEBREAK_MUSTBREAK : glyph == '\n') #else #define ALLOWBREAK(glyph, index) (glyph == ' ') #define FORCEBREAK(glyph, index) (glyph == '\n') #endif /* * Starts a new line on the first breakable character after overflow */ static void wrap_lines_naive(RenderContext *state, double max_text_width, char *unibrks) { ASS_Renderer *render_priv = state->renderer; TextInfo *text_info = state->text_info; GlyphInfo *s1 = text_info->glyphs; // current line start int last_breakable = -1; int break_type = 0; text_info->n_lines = 1; for (int i = 0; i < text_info->length; ++i) { GlyphInfo *cur = text_info->glyphs + i; int break_at = -1; double s_offset = d6_to_double(s1->bbox.x_min + s1->pos.x); double len = d6_to_double(cur->bbox.x_max + cur->pos.x) - s_offset; if (FORCEBREAK(cur->symbol, i)) { break_type = 2; break_at = i; ass_msg(render_priv->library, MSGL_DBG2, "forced line break at %d", break_at); } else if (len >= max_text_width && cur->symbol != ' ' /* get trimmed */ && (state->wrap_style != 2)) { break_type = 1; break_at = last_breakable; if (break_at >= 0) ass_msg(render_priv->library, MSGL_DBG2, "line break at %d", break_at); } if (ALLOWBREAK(cur->symbol, i)) { last_breakable = i; } if (break_at != -1) { // need to use one more line // marking break_at+1 as start of a new line int lead = break_at + 1; // the first symbol of the new line if (text_info->n_lines >= text_info->max_lines) { // Try to raise the maximum number of lines bool success = false; if (text_info->max_lines <= INT_MAX / 2) { text_info->max_lines *= 2; success = ASS_REALLOC_ARRAY(text_info->lines, text_info->max_lines); } // If realloc fails it's screwed and due to error-info not propagating (FIXME), // the best we can do is to avoid UB by discarding the previous break if (!success) { s1->linebreak = 0; text_info->n_lines--; } } if (lead < text_info->length) { text_info->glyphs[lead].linebreak = break_type; last_breakable = -1; s1 = text_info->glyphs + lead; text_info->n_lines++; } } } } /* * Rewind from a linestart position back to the first non-whitespace (0x20) * character. Trailing ASCII whitespace gets trimmed in rendering. * Assumes both arguments are part of the same array. */ static inline GlyphInfo *rewind_trailing_spaces(GlyphInfo *start1, GlyphInfo* start2) { GlyphInfo *g = start2; do { --g; } while ((g > start1) && (g->symbol == ' ')); return g; } /* * Shift soft linebreaks to balance out line lengths * Does not change the linebreak count * FIXME: implement style 0 and 3 correctly */ static void wrap_lines_rebalance(RenderContext *state, double max_text_width, char *unibrks) { TextInfo *text_info = state->text_info; int exit = 0; #define DIFF(x,y) (((x) < (y)) ? (y - x) : (x - y)) while (!exit && state->wrap_style != 1) { exit = 1; GlyphInfo *s1, *s2, *s3; s3 = text_info->glyphs; s1 = s2 = 0; for (int i = 0; i <= text_info->length; ++i) { GlyphInfo *cur = text_info->glyphs + i; if ((i == text_info->length) || cur->linebreak) { s1 = s2; s2 = s3; s3 = cur; if (s1 && (s2->linebreak == 1)) { // have at least 2 lines, and linebreak is 'soft' double l1, l2, l1_new, l2_new; // Find last word of line and trim surrounding whitespace before measuring // (whitespace ' ' will also get trimmed in rendering) GlyphInfo *w = rewind_trailing_spaces(s1, s2); GlyphInfo *e1_old = w; while ((w > s1) && (!ALLOWBREAK(w->symbol, w - text_info->glyphs))) { --w; } GlyphInfo *e1 = w; while ((e1 > s1) && (e1->symbol == ' ')) { --e1; } if (w->symbol == ' ') ++w; if (w == s1) continue; // Merging linebreaks is never beneficial GlyphInfo *e2 = rewind_trailing_spaces(s2, s3); l1 = d6_to_double( (e1_old->bbox.x_max + e1_old->pos.x) - (s1->bbox.x_min + s1->pos.x)); l2 = d6_to_double( (e2->bbox.x_max + e2->pos.x) - (s2->bbox.x_min + s2->pos.x)); l1_new = d6_to_double( (e1->bbox.x_max + e1->pos.x) - (s1->bbox.x_min + s1->pos.x)); l2_new = d6_to_double( (e2->bbox.x_max + e2->pos.x) - (w->bbox.x_min + w->pos.x)); if (DIFF(l1_new, l2_new) < DIFF(l1, l2)) { w->linebreak = 1; s2->linebreak = 0; s2 = w; exit = 0; } } } if (i == text_info->length) break; } } assert(text_info->n_lines >= 1); #undef DIFF } static void wrap_lines_measure(RenderContext *state, char *unibrks) { TextInfo *text_info = state->text_info; int cur_line = 1; int i = 0; while (i < text_info->length && text_info->glyphs[i].skip) ++i; double pen_shift_x = d6_to_double(-text_info->glyphs[i].pos.x); double pen_shift_y = 0.; for (i = 0; i < text_info->length; ++i) { GlyphInfo *cur = text_info->glyphs + i; if (cur->linebreak) { while (i < text_info->length && cur->skip && !FORCEBREAK(cur->symbol, i)) cur = text_info->glyphs + ++i; double height = text_info->lines[cur_line - 1].desc + text_info->lines[cur_line].asc; text_info->lines[cur_line - 1].len = i - text_info->lines[cur_line - 1].offset; text_info->lines[cur_line].offset = i; cur_line++; pen_shift_x = d6_to_double(-cur->pos.x); pen_shift_y += height + state->renderer->settings.line_spacing; } cur->pos.x += double_to_d6(pen_shift_x); cur->pos.y += double_to_d6(pen_shift_y); } text_info->lines[cur_line - 1].len = text_info->length - text_info->lines[cur_line - 1].offset; } #undef ALLOWBREAK #undef FORCEBREAK /** * \brief rearrange text between lines * \param max_text_width maximal text line width in pixels * The algo is similar to the one in libvo/sub.c: * 1. Place text, wrapping it when current line is full * 2. Try moving words from the end of a line to the beginning of the next one while it reduces * the difference in lengths between this two lines. * The result may not be optimal, but usually is good enough. * * FIXME: implement style 0 and 3 correctly */ static void wrap_lines_smart(RenderContext *state, double max_text_width) { char *unibrks = NULL; #ifdef CONFIG_UNIBREAK ASS_Renderer *render_priv = state->renderer; TextInfo *text_info = state->text_info; if (render_priv->track->parser_priv->feature_flags & FEATURE_MASK(ASS_FEATURE_WRAP_UNICODE)) { unibrks = text_info->breaks; set_linebreaks_utf32( text_info->event_text, text_info->length, render_priv->track->Language, unibrks); #if UNIBREAK_VERSION < 0x0500UL // Prior to 5.0 libunibreaks always ended text with LINE_BREAKMUSTBREAK, matching // Unicode spec, but messing with our text-overflow detection. // Thus reevaluate the last char in a different context. // (Later versions set either MUSTBREAK or the newly added INDETERMINATE) unibrks[text_info->length - 1] = is_line_breakable( text_info->event_text[text_info->length - 1], ' ', render_priv->track->Language ); #endif } #endif wrap_lines_naive(state, max_text_width, unibrks); wrap_lines_rebalance(state, max_text_width, unibrks); trim_whitespace(state); measure_text(state); wrap_lines_measure(state, unibrks); } /** * \brief Calculate base point for positioning and rotation * \param bbox text bbox * \param alignment alignment * \param bx, by out: base point coordinates */ static void get_base_point(ASS_DRect *bbox, int alignment, double *bx, double *by) { const int halign = alignment & 3; const int valign = alignment & 12; if (bx) switch (halign) { case HALIGN_LEFT: *bx = bbox->x_min; break; case HALIGN_CENTER: *bx = (bbox->x_max + bbox->x_min) / 2.0; break; case HALIGN_RIGHT: *bx = bbox->x_max; break; } if (by) switch (valign) { case VALIGN_TOP: *by = bbox->y_min; break; case VALIGN_CENTER: *by = (bbox->y_max + bbox->y_min) / 2.0; break; case VALIGN_SUB: *by = bbox->y_max; break; } } /** * \brief Adjust the glyph's font size and scale factors to ensure smooth * scaling and handle pathological font sizes. The main problem here is * freetype's grid fitting, which destroys animations by font size, or will * result in incorrect final text size if font sizes are very small and * scale factors very large. See Google Code issue #46. * \param priv guess what * \param glyph the glyph to be modified */ static void fix_glyph_scaling(ASS_Renderer *priv, GlyphInfo *glyph) { double ft_size; if (priv->settings.hinting == ASS_HINTING_NONE) { // arbitrary, not too small to prevent grid fitting rounding effects // XXX: this is a rather crude hack ft_size = 256.0; } else { // If hinting is enabled, we want to pass the real font size // to freetype. Normalize scale_y to 1.0. ft_size = glyph->scale_y * glyph->font_size; } if (!ft_size || !glyph->font_size) return; double mul = glyph->font_size / ft_size; glyph->scale_fix = 1 / mul; glyph->scale_x *= mul; glyph->scale_y *= mul; glyph->font_size = ft_size; } // Initial run splitting based purely on the characters' styles static void split_style_runs(RenderContext *state) { TextInfo *text_info = state->text_info; Effect last_effect_type = text_info->glyphs[0].effect_type; text_info->glyphs[0].starts_new_run = true; for (int i = 1; i < text_info->length; i++) { GlyphInfo *info = text_info->glyphs + i; GlyphInfo *last = text_info->glyphs + (i - 1); Effect effect_type = info->effect_type; info->starts_new_run = info->effect_timing || // but ignore effect_skip_timing (effect_type != EF_NONE && effect_type != last_effect_type) || info->drawing_text.str || last->drawing_text.str || !ass_string_equal(last->font->desc.family, info->font->desc.family) || last->font->desc.vertical != info->font->desc.vertical || last->font_size != info->font_size || last->c[0] != info->c[0] || last->c[1] != info->c[1] || last->c[2] != info->c[2] || last->c[3] != info->c[3] || last->be != info->be || last->blur != info->blur || last->shadow_x != info->shadow_x || last->shadow_y != info->shadow_y || last->frx != info->frx || last->fry != info->fry || last->frz != info->frz || last->fax != info->fax || last->fay != info->fay || last->scale_x != info->scale_x || last->scale_y != info->scale_y || last->border_style != info->border_style || last->border_x != info->border_x || last->border_y != info->border_y || last->hspacing != info->hspacing || last->italic != info->italic || last->bold != info->bold || ((last->flags ^ info->flags) & ~DECO_ROTATE); if (effect_type != EF_NONE) last_effect_type = effect_type; } } // Parse event text. // Fill render_priv->text_info. static bool parse_events(RenderContext *state, ASS_Event *event) { TextInfo *text_info = state->text_info; ASS_Renderer *render_priv = state->renderer; char *p = event->Text, *q; // Event parsing. while (true) { ASS_StringView drawing_text = {NULL, 0}; // get next char, executing style override // this affects render_context unsigned code = 0; while (*p) { if ((*p == '{') && (q = strchr(p, '}'))) { p = ass_parse_tags(state, p, q, 1., false); assert(*p == '}'); p++; } else if (state->drawing_scale) { q = p; if (*p == '{') q++; while ((*q != '{') && (*q != 0)) q++; drawing_text.str = p; drawing_text.len = q - p; code = 0xfffc; // object replacement character p = q; break; } else { code = ass_get_next_char(state, &p); break; } } if (code == 0) break; // face could have been changed in get_next_char if (!state->font) goto fail; if (text_info->length >= text_info->max_glyphs) { // Raise maximum number of glyphs int new_max = 2 * FFMIN(FFMAX(text_info->max_glyphs, text_info->length / 2 + 1), INT_MAX / 2); if (text_info->length >= new_max) goto fail; if (!ASS_REALLOC_ARRAY(text_info->glyphs, new_max) || !ASS_REALLOC_ARRAY(text_info->event_text, new_max) || !ASS_REALLOC_ARRAY(text_info->breaks, new_max)) goto fail; text_info->max_glyphs = new_max; } GlyphInfo *info = &text_info->glyphs[text_info->length]; // Clear current GlyphInfo memset(info, 0, sizeof(GlyphInfo)); // Parse drawing if (drawing_text.str) { info->drawing_text = drawing_text; info->drawing_scale = state->drawing_scale; info->drawing_pbo = state->pbo; } // Fill glyph information info->symbol = code; info->font = state->font; if (!drawing_text.str) ass_cache_inc_ref(info->font); for (int i = 0; i < 4; i++) { uint32_t clr = state->c[i]; info->a_pre_fade[i] = _a(clr); ass_apply_fade(&clr, state->fade); info->c[i] = clr; } info->effect_type = state->effect_type; info->effect_timing = state->effect_timing; info->effect_skip_timing = state->effect_skip_timing; info->reset_effect = state->reset_effect; // VSFilter compatibility: font glyphs use PlayResY scaling in both dimensions info->font_size = fabs(state->font_size * state->screen_scale_y); info->be = state->be; info->blur = state->blur; info->shadow_x = state->shadow_x; info->shadow_y = state->shadow_y; info->scale_x = state->scale_x; info->scale_y = state->scale_y; info->border_style = state->border_style; info->border_x = state->border_x; info->border_y = state->border_y; info->hspacing = state->hspacing; info->bold = state->bold; info->italic = state->italic; info->flags = state->flags; if (info->font->desc.vertical && code >= VERTICAL_LOWER_BOUND) info->flags |= DECO_ROTATE; info->frx = state->frx; info->fry = state->fry; info->frz = state->frz; info->fax = state->fax; info->fay = state->fay; info->fade = state->fade; info->hspacing_scaled = 0; info->scale_fix = 1; if (!drawing_text.str) { info->hspacing_scaled = double_to_d6(info->hspacing * state->screen_scale_x / render_priv->par_scale_x * info->scale_x); fix_glyph_scaling(render_priv, info); } text_info->length++; state->effect_type = EF_NONE; state->effect_timing = 0; state->effect_skip_timing = 0; state->reset_effect = false; } return true; fail: free_render_context(state); return false; } // Process render_priv->text_info and load glyph outlines. static void retrieve_glyphs(RenderContext *state) { GlyphInfo *glyphs = state->text_info->glyphs; int i; for (i = 0; i < state->text_info->length; i++) { GlyphInfo *info = glyphs + i; do { get_outline_glyph(state, info); info = info->next; } while (info); info = glyphs + i; // Add additional space after italic to non-italic style changes if (i && glyphs[i - 1].italic && !info->italic) { int back = i - 1; GlyphInfo *og = &glyphs[back]; while (back && og->bbox.x_max - og->bbox.x_min == 0 && og->italic) og = &glyphs[--back]; if (og->bbox.x_max > og->cluster_advance.x) og->cluster_advance.x = og->bbox.x_max; } // add horizontal letter spacing info->cluster_advance.x += info->hspacing_scaled; } } // Preliminary layout (for line wrapping) static void preliminary_layout(RenderContext *state) { ASS_Vector pen = { 0, 0 }; for (int i = 0; i < state->text_info->length; i++) { GlyphInfo *info = state->text_info->glyphs + i; ASS_Vector cluster_pen = pen; do { info->pos.x = cluster_pen.x; info->pos.y = cluster_pen.y; cluster_pen.x += info->advance.x; cluster_pen.y += info->advance.y; info = info->next; } while (info); info = state->text_info->glyphs + i; pen.x += info->cluster_advance.x; pen.y += info->cluster_advance.y; } } // Reorder text into visual order static void reorder_text(RenderContext *state) { ASS_Renderer *render_priv = state->renderer; TextInfo *text_info = state->text_info; FriBidiStrIndex *cmap = ass_shaper_reorder(state->shaper, text_info); if (!cmap) { ass_msg(render_priv->library, MSGL_ERR, "Failed to reorder text"); ass_shaper_cleanup(state->shaper, text_info); free_render_context(state); return; } // Reposition according to the map ASS_Vector pen = { 0, 0 }; int lineno = 1; for (int i = 0; i < text_info->length; i++) { GlyphInfo *info = text_info->glyphs + cmap[i]; if (text_info->glyphs[i].linebreak) { pen.x = 0; pen.y += double_to_d6(text_info->lines[lineno-1].desc); pen.y += double_to_d6(text_info->lines[lineno].asc); pen.y += double_to_d6(render_priv->settings.line_spacing); lineno++; } if (info->skip) continue; ASS_Vector cluster_pen = pen; pen.x += info->cluster_advance.x; pen.y += info->cluster_advance.y; while (info) { info->pos.x = info->offset.x + cluster_pen.x; info->pos.y = info->offset.y + cluster_pen.y; cluster_pen.x += info->advance.x; cluster_pen.y += info->advance.y; info = info->next; } } } static void apply_baseline_shear(RenderContext *state) { ASS_Renderer *render_priv = state->renderer; TextInfo *text_info = state->text_info; FriBidiStrIndex *cmap = ass_shaper_get_reorder_map(state->shaper); int32_t shear = 0; bool whole_text_layout = render_priv->track->parser_priv->feature_flags & FEATURE_MASK(ASS_FEATURE_WHOLE_TEXT_LAYOUT); for (int i = 0; i < text_info->length; i++) { GlyphInfo *info = text_info->glyphs + cmap[i]; if (text_info->glyphs[i].linebreak || (!whole_text_layout && text_info->glyphs[i].starts_new_run)) shear = 0; if (!info->scale_x || !info->scale_y) info->skip = true; if (info->skip) continue; for (GlyphInfo *cur = info; cur; cur = cur->next) cur->pos.y += shear; shear += (info->fay / info->scale_x * info->scale_y) * info->cluster_advance.x; } } static void align_lines(RenderContext *state, double max_text_width) { TextInfo *text_info = state->text_info; GlyphInfo *glyphs = text_info->glyphs; int i, j; double width = 0; int last_break = -1; int halign = state->alignment & 3; int justify = state->justify; double max_width = 0; if (state->evt_type & EVENT_HSCROLL) { justify = halign; halign = HALIGN_LEFT; } for (i = 0; i <= text_info->length; ++i) { // (text_info->length + 1) is the end of the last line if ((i == text_info->length) || glyphs[i].linebreak) { max_width = FFMAX(max_width,width); width = 0; } if (i < text_info->length && !glyphs[i].skip && glyphs[i].symbol != '\n' && glyphs[i].symbol != 0) { width += d6_to_double(glyphs[i].cluster_advance.x); } } for (i = 0; i <= text_info->length; ++i) { // (text_info->length + 1) is the end of the last line if ((i == text_info->length) || glyphs[i].linebreak) { double shift = 0; if (halign == HALIGN_LEFT) { // left aligned, no action if (justify == ASS_JUSTIFY_RIGHT) { shift = max_width - width; } else if (justify == ASS_JUSTIFY_CENTER) { shift = (max_width - width) / 2.0; } else { shift = 0; } } else if (halign == HALIGN_RIGHT) { // right aligned if (justify == ASS_JUSTIFY_LEFT) { shift = max_text_width - max_width; } else if (justify == ASS_JUSTIFY_CENTER) { shift = max_text_width - max_width + (max_width - width) / 2.0; } else { shift = max_text_width - width; } } else if (halign == HALIGN_CENTER) { // centered if (justify == ASS_JUSTIFY_LEFT) { shift = (max_text_width - max_width) / 2.0; } else if (justify == ASS_JUSTIFY_RIGHT) { shift = (max_text_width - max_width) / 2.0 + max_width - width; } else { shift = (max_text_width - width) / 2.0; } } for (j = last_break + 1; j < i; ++j) { GlyphInfo *info = glyphs + j; while (info) { info->pos.x += double_to_d6(shift); info = info->next; } } last_break = i - 1; width = 0; } if (i < text_info->length && !glyphs[i].skip && glyphs[i].symbol != '\n' && glyphs[i].symbol != 0) { width += d6_to_double(glyphs[i].cluster_advance.x); } } } static void calculate_rotation_params(RenderContext *state, ASS_DRect *bbox, double device_x, double device_y) { ASS_Renderer *render_priv = state->renderer; ASS_DVector center; if (state->have_origin) { center.x = x2scr_pos(render_priv, state->org_x); center.y = y2scr_pos(render_priv, state->org_y); } else { double bx = 0., by = 0.; get_base_point(bbox, state->alignment, &bx, &by); center.x = device_x + bx; center.y = device_y + by; } TextInfo *text_info = state->text_info; for (int i = 0; i < text_info->length; i++) { GlyphInfo *info = text_info->glyphs + i; while (info) { info->shift.x = info->pos.x + double_to_d6(device_x - center.x + info->shadow_x * state->border_scale_x / render_priv->par_scale_x); info->shift.y = info->pos.y + double_to_d6(device_y - center.y + info->shadow_y * state->border_scale_y); info = info->next; } } } static int quantize_blur(double radius, int32_t *shadow_mask) { // Gaussian filter kernel (1D): // G(x, r2) = exp(-x^2 / (2 * r2)) / sqrt(2 * pi * r2), // position unit is 1/64th of pixel, r = 64 * radius, r2 = r^2. // Difference between kernels with different but near r2: // G(x, r2 + dr2) - G(x, r2) ~= dr2 * G(x, r2) * (x^2 - r2) / (2 * r2^2). // Maximal possible error relative to full pixel value is half of // integral (from -inf to +inf) of absolute value of that difference. // E_max ~= dr2 / 2 * integral(G(x, r2) * |x^2 - r2| / (2 * r2^2), x) // = dr2 / (4 * r2) * integral(G(y, 1) * |y^2 - 1|, y) // = dr2 / (4 * r2) * 4 / sqrt(2 * pi * e) // ~ dr2 / (4 * r2) ~= dr / (2 * r). // E_max ~ BLUR_PRECISION / 2 as we have 2 dimensions. // To get discretized blur radius solve the following // differential equation (n--quantization index): // dr(n) / dn = BLUR_PRECISION * r + POSITION_PRECISION, r(0) = 0, // r(n) = (exp(BLUR_PRECISION * n) - 1) * POSITION_PRECISION / BLUR_PRECISION, // n = log(1 + r * BLUR_PRECISION / POSITION_PRECISION) / BLUR_PRECISION. // To get shadow offset quantization estimate difference of // G(x + dx, r2) - G(x, r2) ~= dx * G(x, r2) * (-x / r2). // E_max ~= dx / 2 * integral(G(x, r2) * |x| / r2, x) // = dx / sqrt(2 * pi * r2) ~ dx / (2 * r). // 2^ord ~ dx ~ BLUR_PRECISION * r + POSITION_PRECISION. const double scale = 64 * BLUR_PRECISION / POSITION_PRECISION; radius *= scale; int ord; // ord = floor(log2(BLUR_PRECISION * r + POSITION_PRECISION)) // = floor(log2(64 * radius * BLUR_PRECISION + POSITION_PRECISION)) // = floor(log2((radius * scale + 1) * POSITION_PRECISION)), // floor(log2(x)) = frexp(x) - 1 = frexp(x / 2). frexp((1 + radius) * (POSITION_PRECISION / 2), &ord); *shadow_mask = ((uint32_t) 1 << ord) - 1; return lrint(log1p(radius) / BLUR_PRECISION); } static double restore_blur(int qblur) { const double scale = 64 * BLUR_PRECISION / POSITION_PRECISION; double sigma = expm1(BLUR_PRECISION * qblur) / scale; return sigma * sigma; } // Convert glyphs to bitmaps, combine them, apply blur, generate shadows. static void render_and_combine_glyphs(RenderContext *state, double device_x, double device_y) { ASS_Renderer *render_priv = state->renderer; TextInfo *text_info = state->text_info; int left = render_priv->settings.left_margin; device_x = (device_x - left) * render_priv->par_scale_x + left; unsigned nb_bitmaps = 0; bool new_run = true; CombinedBitmapInfo *combined_info = text_info->combined_bitmaps; CombinedBitmapInfo *current_info = NULL; ASS_DVector offset; for (int i = 0; i < text_info->length; i++) { GlyphInfo *info = text_info->glyphs + i; if (info->starts_new_run) new_run = true; if (info->skip) { for (; info; info = info->next) ass_cache_dec_ref(info->outline); continue; } for (; info; info = info->next) { int flags = 0; if (info->border_style == 3) flags |= FILTER_BORDER_STYLE_3; if (info->border_x || info->border_y) flags |= FILTER_NONZERO_BORDER; if (info->shadow_x || info->shadow_y) flags |= FILTER_NONZERO_SHADOW; if (flags & FILTER_NONZERO_SHADOW && (info->effect_type == EF_KARAOKE_KF || info->effect_type == EF_KARAOKE_KO || (info->a_pre_fade[0]) != 0xFF || info->border_style == 3)) flags |= FILTER_FILL_IN_SHADOW; if (!(flags & FILTER_NONZERO_BORDER) && !(flags & FILTER_FILL_IN_SHADOW)) flags &= ~FILTER_NONZERO_SHADOW; if ((flags & FILTER_NONZERO_BORDER && info->a_pre_fade[0] == 0 && info->a_pre_fade[1] == 0 && info->fade == 0) || info->border_style == 3) flags |= FILTER_FILL_IN_BORDER; if (new_run) { if (nb_bitmaps >= text_info->max_bitmaps) { size_t new_size = 2 * text_info->max_bitmaps; if (!ASS_REALLOC_ARRAY(text_info->combined_bitmaps, new_size)) { ass_cache_dec_ref(info->outline); continue; } text_info->max_bitmaps = new_size; combined_info = text_info->combined_bitmaps; } current_info = &combined_info[nb_bitmaps]; memcpy(¤t_info->c, &info->c, sizeof(info->c)); current_info->effect_type = info->effect_type; current_info->effect_timing = info->effect_timing; current_info->leftmost_x = OUTLINE_MAX; FilterDesc *filter = ¤t_info->filter; filter->flags = flags; filter->be = info->be; int32_t shadow_mask_x, shadow_mask_y; double blur_radius_scale = 2 / sqrt(log(256)); double blur_scale_x = state->blur_scale_x * blur_radius_scale; double blur_scale_y = state->blur_scale_y * blur_radius_scale; filter->blur_x = quantize_blur(info->blur * blur_scale_x, &shadow_mask_x); filter->blur_y = quantize_blur(info->blur * blur_scale_y, &shadow_mask_y); if (flags & FILTER_NONZERO_SHADOW) { int32_t x = double_to_d6(info->shadow_x * state->border_scale_x); int32_t y = double_to_d6(info->shadow_y * state->border_scale_y); filter->shadow.x = (x + (shadow_mask_x >> 1)) & ~shadow_mask_x; filter->shadow.y = (y + (shadow_mask_y >> 1)) & ~shadow_mask_y; } else filter->shadow.x = filter->shadow.y = 0; current_info->x = current_info->y = INT_MAX; current_info->bm = current_info->bm_o = current_info->bm_s = NULL; current_info->image = NULL; current_info->bitmap_count = current_info->max_bitmap_count = 0; current_info->bitmaps = malloc(MAX_SUB_BITMAPS_INITIAL * sizeof(BitmapRef)); if (!current_info->bitmaps) { ass_cache_dec_ref(info->outline); continue; } current_info->max_bitmap_count = MAX_SUB_BITMAPS_INITIAL; nb_bitmaps++; new_run = false; } assert(current_info); ASS_Vector pos, pos_o; info->pos.x = double_to_d6(device_x + d6_to_double(info->pos.x) * render_priv->par_scale_x); info->pos.y = double_to_d6(device_y) + info->pos.y; get_bitmap_glyph(state, info, ¤t_info->leftmost_x, &pos, &pos_o, &offset, !current_info->bitmap_count, flags); if (!info->bm && !info->bm_o) { ass_cache_dec_ref(info->bm); ass_cache_dec_ref(info->bm_o); continue; } if (current_info->bitmap_count >= current_info->max_bitmap_count) { size_t new_size = 2 * current_info->max_bitmap_count; if (!ASS_REALLOC_ARRAY(current_info->bitmaps, new_size)) { ass_cache_dec_ref(info->bm); ass_cache_dec_ref(info->bm_o); continue; } current_info->max_bitmap_count = new_size; } current_info->bitmaps[current_info->bitmap_count].bm = info->bm; current_info->bitmaps[current_info->bitmap_count].bm_o = info->bm_o; current_info->bitmaps[current_info->bitmap_count].pos = pos; current_info->bitmaps[current_info->bitmap_count].pos_o = pos_o; current_info->bitmap_count++; current_info->x = FFMIN(current_info->x, pos.x); current_info->y = FFMIN(current_info->y, pos.y); } } for (int i = 0; i < nb_bitmaps; i++) { CombinedBitmapInfo *info = &combined_info[i]; if (!info->bitmap_count) { free(info->bitmaps); continue; } if (info->effect_type == EF_KARAOKE_KF) info->effect_timing = lround(d6_to_double(info->leftmost_x) + d6_to_double(info->effect_timing) * render_priv->par_scale_x); for (int j = 0; j < info->bitmap_count; j++) { info->bitmaps[j].pos.x -= info->x; info->bitmaps[j].pos.y -= info->y; info->bitmaps[j].pos_o.x -= info->x; info->bitmaps[j].pos_o.y -= info->y; } CompositeHashKey key; key.filter = info->filter; key.bitmap_count = info->bitmap_count; key.bitmaps = info->bitmaps; CompositeHashValue *val = ass_cache_get(render_priv->cache.composite_cache, &key, render_priv); if (!val) continue; if (val->bm.buffer) info->bm = &val->bm; if (val->bm_o.buffer) info->bm_o = &val->bm_o; if (val->bm_s.buffer) info->bm_s = &val->bm_s; info->image = val; continue; } text_info->n_bitmaps = nb_bitmaps; } static inline void rectangle_combine(ASS_Rect *rect, const Bitmap *bm, ASS_Vector pos) { pos.x += bm->left; pos.y += bm->top; rectangle_update(rect, pos.x, pos.y, pos.x + bm->w, pos.y + bm->h); } /* * To find these values, simulate blur on the border between two * half-planes, one zero-filled (background) and the other filled * with the maximum supported value (foreground). Keep incrementing * the \be argument. The necessary padding is the distance by which * the blurred foreground image extends beyond the original border * and into the background. Initially it increases along with \be, * but very soon it grinds to a halt. At some point, the blurred * image actually reaches a stationary point and stays unchanged * forever after, simply _shifting_ by one pixel for each \be * step--moving in the direction of the non-zero half-plane and * thus decreasing the necessary padding (although the large * padding is still needed for intermediate results). In practice, * images are finite rather than infinite like half-planes, but * this can only decrease the required padding. Half-planes filled * with extreme values are the theoretical limit of the worst case. * Make sure to use the right pixel value range in the simulation! */ int ass_be_padding(int be) { if (be <= 3) return be; if (be <= 7) return 4; return 5; } size_t ass_composite_construct(void *key, void *value, void *priv) { ASS_Renderer *render_priv = priv; CompositeHashKey *k = key; CompositeHashValue *v = value; memset(v, 0, sizeof(*v)); ASS_Rect rect, rect_o; rectangle_reset(&rect); rectangle_reset(&rect_o); size_t n_bm = 0, n_bm_o = 0; BitmapRef *last = NULL, *last_o = NULL; for (int i = 0; i < k->bitmap_count; i++) { BitmapRef *ref = &k->bitmaps[i]; if (ref->bm) { rectangle_combine(&rect, ref->bm, ref->pos); last = ref; n_bm++; } if (ref->bm_o) { rectangle_combine(&rect_o, ref->bm_o, ref->pos_o); last_o = ref; n_bm_o++; } } int bord = ass_be_padding(k->filter.be); if (!bord && n_bm == 1) { ass_copy_bitmap(render_priv->engine, &v->bm, last->bm); v->bm.left += last->pos.x; v->bm.top += last->pos.y; } else if (n_bm && ass_alloc_bitmap(render_priv->engine, &v->bm, rect.x_max - rect.x_min + 2 * bord, rect.y_max - rect.y_min + 2 * bord, true)) { Bitmap *dst = &v->bm; dst->left = rect.x_min - bord; dst->top = rect.y_min - bord; for (int i = 0; i < k->bitmap_count; i++) { Bitmap *src = k->bitmaps[i].bm; if (!src) continue; int x = k->bitmaps[i].pos.x + src->left - dst->left; int y = k->bitmaps[i].pos.y + src->top - dst->top; assert(x >= 0 && x + src->w <= dst->w); assert(y >= 0 && y + src->h <= dst->h); unsigned char *buf = dst->buffer + y * dst->stride + x; render_priv->engine->add_bitmaps(buf, dst->stride, src->buffer, src->stride, src->w, src->h); } } if (!bord && n_bm_o == 1) { ass_copy_bitmap(render_priv->engine, &v->bm_o, last_o->bm_o); v->bm_o.left += last_o->pos_o.x; v->bm_o.top += last_o->pos_o.y; } else if (n_bm_o && ass_alloc_bitmap(render_priv->engine, &v->bm_o, rect_o.x_max - rect_o.x_min + 2 * bord, rect_o.y_max - rect_o.y_min + 2 * bord, true)) { Bitmap *dst = &v->bm_o; dst->left = rect_o.x_min - bord; dst->top = rect_o.y_min - bord; for (int i = 0; i < k->bitmap_count; i++) { Bitmap *src = k->bitmaps[i].bm_o; if (!src) continue; int x = k->bitmaps[i].pos_o.x + src->left - dst->left; int y = k->bitmaps[i].pos_o.y + src->top - dst->top; assert(x >= 0 && x + src->w <= dst->w); assert(y >= 0 && y + src->h <= dst->h); unsigned char *buf = dst->buffer + y * dst->stride + x; render_priv->engine->add_bitmaps(buf, dst->stride, src->buffer, src->stride, src->w, src->h); } } int flags = k->filter.flags; double r2x = restore_blur(k->filter.blur_x); double r2y = restore_blur(k->filter.blur_y); if (!(flags & FILTER_NONZERO_BORDER) || (flags & FILTER_BORDER_STYLE_3)) ass_synth_blur(render_priv->engine, &v->bm, k->filter.be, r2x, r2y); ass_synth_blur(render_priv->engine, &v->bm_o, k->filter.be, r2x, r2y); if (!(flags & FILTER_FILL_IN_BORDER) && !(flags & FILTER_FILL_IN_SHADOW)) ass_fix_outline(&v->bm, &v->bm_o); if (flags & FILTER_NONZERO_SHADOW) { if (flags & FILTER_NONZERO_BORDER) { ass_copy_bitmap(render_priv->engine, &v->bm_s, &v->bm_o); if ((flags & FILTER_FILL_IN_BORDER) && !(flags & FILTER_FILL_IN_SHADOW)) ass_fix_outline(&v->bm, &v->bm_s); } else if (flags & FILTER_BORDER_STYLE_3) { v->bm_s = v->bm_o; memset(&v->bm_o, 0, sizeof(v->bm_o)); } else { ass_copy_bitmap(render_priv->engine, &v->bm_s, &v->bm); } // Works right even for negative offsets // '>>' rounds toward negative infinity, '&' returns correct remainder v->bm_s.left += k->filter.shadow.x >> 6; v->bm_s.top += k->filter.shadow.y >> 6; ass_shift_bitmap(&v->bm_s, k->filter.shadow.x & SUBPIXEL_MASK, k->filter.shadow.y & SUBPIXEL_MASK); } if ((flags & FILTER_FILL_IN_SHADOW) && !(flags & FILTER_FILL_IN_BORDER)) ass_fix_outline(&v->bm, &v->bm_o); return sizeof(CompositeHashKey) + sizeof(CompositeHashValue) + bitmap_size(&v->bm) + bitmap_size(&v->bm_o) + bitmap_size(&v->bm_s); } static void add_background(RenderContext *state, EventImages *event_images) { ASS_Renderer *render_priv = state->renderer; int size_x = state->shadow_x > 0 ? lround(state->shadow_x * state->border_scale_x) : 0; int size_y = state->shadow_y > 0 ? lround(state->shadow_y * state->border_scale_y) : 0; int left = event_images->left - size_x; int top = event_images->top - size_y; int right = event_images->left + event_images->width + size_x; int bottom = event_images->top + event_images->height + size_y; left = FFMINMAX(left, 0, render_priv->width); top = FFMINMAX(top, 0, render_priv->height); right = FFMINMAX(right, 0, render_priv->width); bottom = FFMINMAX(bottom, 0, render_priv->height); int w = right - left; int h = bottom - top; if (w < 1 || h < 1) return; void *nbuffer = ass_aligned_alloc(1, w * h, false); if (!nbuffer) return; memset(nbuffer, 0xFF, w * h); ASS_Image *img = my_draw_bitmap(nbuffer, w, h, w, left, top, state->c[3], NULL); if (img) { img->next = event_images->imgs; event_images->imgs = img; } } /** * \brief Main ass rendering function, glues everything together * \param event event to render * \param event_images struct containing resulting images, will also be initialized * Process event, appending resulting ASS_Image's to images_root. */ static bool ass_render_event(RenderContext *state, ASS_Event *event, EventImages *event_images) { ASS_Renderer *render_priv = state->renderer; if (event->Style >= render_priv->track->n_styles) { ass_msg(render_priv->library, MSGL_WARN, "No style found"); return false; } if (!event->Text) { ass_msg(render_priv->library, MSGL_WARN, "Empty event"); return false; } free_render_context(state); init_render_context(state, event); if (!parse_events(state, event)) return false; TextInfo *text_info = state->text_info; if (text_info->length == 0) { // no valid symbols in the event; this can be smth like {comment} free_render_context(state); return false; } split_style_runs(state); // Find shape runs and shape text ass_shaper_set_base_direction(state->shaper, ass_resolve_base_direction(state->font_encoding)); ass_shaper_find_runs(state->shaper, render_priv, text_info->glyphs, text_info->length); if (!ass_shaper_shape(state->shaper, text_info)) { ass_msg(render_priv->library, MSGL_ERR, "Failed to shape text"); free_render_context(state); return false; } retrieve_glyphs(state); preliminary_layout(state); int valign = state->alignment & 12; int MarginL = (event->MarginL) ? event->MarginL : state->style->MarginL; int MarginR = (event->MarginR) ? event->MarginR : state->style->MarginR; int MarginV = (event->MarginV) ? event->MarginV : state->style->MarginV; // calculate max length of a line double max_text_width = x2scr_right(state, render_priv->track->PlayResX - MarginR) - x2scr_left(state, MarginL); // wrap lines wrap_lines_smart(state, max_text_width); // depends on glyph x coordinates being monotonous within runs, so it should be done before reorder ass_process_karaoke_effects(state); reorder_text(state); align_lines(state, max_text_width); // determing text bounding box ASS_DRect bbox; compute_string_bbox(text_info, &bbox); apply_baseline_shear(state); // determine device coordinates for text double device_x = 0; double device_y = 0; // handle positioned events first: an event can be both positioned and // scrolling, and the scrolling effect overrides the position on one axis if (state->evt_type & EVENT_POSITIONED) { double base_x = 0; double base_y = 0; get_base_point(&bbox, state->alignment, &base_x, &base_y); device_x = x2scr_pos(render_priv, state->pos_x) - base_x; device_y = y2scr_pos(render_priv, state->pos_y) - base_y; } // x coordinate if (state->evt_type & EVENT_HSCROLL) { if (state->scroll_direction == SCROLL_RL) device_x = x2scr_pos(render_priv, render_priv->track->PlayResX - state->scroll_shift); else if (state->scroll_direction == SCROLL_LR) device_x = x2scr_pos(render_priv, state->scroll_shift) - (bbox.x_max - bbox.x_min); } else if (!(state->evt_type & EVENT_POSITIONED)) { device_x = x2scr_left(state, MarginL); } // y coordinate if (state->evt_type & EVENT_VSCROLL) { if (state->scroll_direction == SCROLL_TB) device_y = y2scr(state, state->scroll_y0 + state->scroll_shift) - bbox.y_max; else if (state->scroll_direction == SCROLL_BT) device_y = y2scr(state, state->scroll_y1 - state->scroll_shift) - bbox.y_min; } else if (!(state->evt_type & EVENT_POSITIONED)) { if (valign == VALIGN_TOP) { // toptitle device_y = y2scr_top(state, MarginV) + text_info->lines[0].asc; } else if (valign == VALIGN_CENTER) { // midtitle double scr_y = y2scr(state, render_priv->track->PlayResY / 2.0); device_y = scr_y - (bbox.y_max + bbox.y_min) / 2.0; } else { // subtitle double line_pos = state->explicit ? 0 : render_priv->settings.line_position; double scr_top, scr_bottom, scr_y0; if (valign != VALIGN_SUB) ass_msg(render_priv->library, MSGL_V, "Invalid valign, assuming 0 (subtitle)"); scr_bottom = y2scr_sub(state, render_priv->track->PlayResY - MarginV); scr_top = y2scr_top(state, 0); //xxx not always 0? device_y = scr_bottom + (scr_top - scr_bottom) * line_pos / 100.0; device_y -= text_info->height; device_y += text_info->lines[0].asc; // clip to top to avoid confusion if line_position is very high, // turning the subtitle into a toptitle // also, don't change behavior if line_position is not used scr_y0 = scr_top + text_info->lines[0].asc; if (device_y < scr_y0 && line_pos > 0) { device_y = scr_y0; } } } // fix clip coordinates if (state->explicit || !render_priv->settings.use_margins) { state->clip_x0 = x2scr_pos_scaled(render_priv, state->clip_x0); state->clip_x1 = x2scr_pos_scaled(render_priv, state->clip_x1); state->clip_y0 = y2scr_pos(render_priv, state->clip_y0); state->clip_y1 = y2scr_pos(render_priv, state->clip_y1); if (state->explicit) { // we still need to clip against screen boundaries double zx = x2scr_pos_scaled(render_priv, 0); double zy = y2scr_pos(render_priv, 0); double sx = x2scr_pos_scaled(render_priv, render_priv->track->PlayResX); double sy = y2scr_pos(render_priv, render_priv->track->PlayResY); state->clip_x0 = FFMAX(state->clip_x0, zx); state->clip_y0 = FFMAX(state->clip_y0, zy); state->clip_x1 = FFMIN(state->clip_x1, sx); state->clip_y1 = FFMIN(state->clip_y1, sy); } } else { // no \clip (explicit==0) and use_margins => only clip to screen with margins state->clip_x0 = 0; state->clip_y0 = 0; state->clip_x1 = render_priv->settings.frame_width; state->clip_y1 = render_priv->settings.frame_height; } if (state->evt_type & EVENT_VSCROLL) { double y0 = y2scr_pos(render_priv, state->scroll_y0); double y1 = y2scr_pos(render_priv, state->scroll_y1); state->clip_y0 = FFMAX(state->clip_y0, y0); state->clip_y1 = FFMIN(state->clip_y1, y1); } calculate_rotation_params(state, &bbox, device_x, device_y); render_and_combine_glyphs(state, device_x, device_y); memset(event_images, 0, sizeof(*event_images)); // VSFilter does *not* shift lines with a border > margin to be within the // frame, so negative values for top and left may occur event_images->top = device_y - text_info->lines[0].asc - text_info->border_top; event_images->height = text_info->height + text_info->border_bottom + text_info->border_top; event_images->left = (device_x + bbox.x_min) * render_priv->par_scale_x - text_info->border_x + 0.5; event_images->width = (bbox.x_max - bbox.x_min) * render_priv->par_scale_x + 2 * text_info->border_x + 0.5; event_images->detect_collisions = state->detect_collisions; event_images->shift_direction = (valign == VALIGN_SUB) ? -1 : 1; event_images->event = event; event_images->imgs = render_text(state); if (state->border_style == 4) add_background(state, event_images); ass_shaper_cleanup(state->shaper, text_info); free_render_context(state); return true; } /** * \brief Check cache limits and reset cache if they are exceeded */ static void check_cache_limits(ASS_Renderer *priv, CacheStore *cache) { ass_cache_cut(cache->composite_cache, cache->composite_max_size); ass_cache_cut(cache->bitmap_cache, cache->bitmap_max_size); ass_cache_cut(cache->outline_cache, cache->glyph_max); } static void setup_shaper(ASS_Shaper *shaper, ASS_Renderer *render_priv) { ASS_Track *track = render_priv->track; ass_shaper_set_kerning(shaper, track->Kerning); ass_shaper_set_language(shaper, track->Language); ass_shaper_set_level(shaper, render_priv->settings.shaper); #ifdef USE_FRIBIDI_EX_API ass_shaper_set_bidi_brackets(shaper, track->parser_priv->feature_flags & FEATURE_MASK(ASS_FEATURE_BIDI_BRACKETS)); #endif ass_shaper_set_whole_text_layout(shaper, track->parser_priv->feature_flags & FEATURE_MASK(ASS_FEATURE_WHOLE_TEXT_LAYOUT)); } /** * \brief Start a new frame */ static bool ass_start_frame(ASS_Renderer *render_priv, ASS_Track *track, long long now) { if (!render_priv->settings.frame_width && !render_priv->settings.frame_height) return false; // library not initialized if (!render_priv->fontselect) return false; if (render_priv->library != track->library) return false; if (track->n_events == 0) return false; // nothing to do render_priv->track = track; render_priv->time = now; ass_lazy_track_init(render_priv->library, render_priv->track); if (render_priv->library->num_fontdata != render_priv->num_emfonts) { assert(render_priv->library->num_fontdata > render_priv->num_emfonts); render_priv->num_emfonts = ass_update_embedded_fonts( render_priv->fontselect, render_priv->num_emfonts); } setup_shaper(render_priv->state.shaper, render_priv); // PAR correction double par = render_priv->settings.par; bool lr_track = track->LayoutResX > 0 && track->LayoutResY > 0; if (par == 0. || lr_track) { if (render_priv->frame_content_width && render_priv->frame_content_height && (lr_track || (render_priv->settings.storage_width && render_priv->settings.storage_height))) { double dar = ((double) render_priv->frame_content_width) / render_priv->frame_content_height; ASS_Vector layout_res = ass_layout_res(render_priv); double sar = ((double) layout_res.x) / layout_res.y; par = dar / sar; } else par = 1.0; } render_priv->par_scale_x = par; render_priv->prev_images_root = render_priv->images_root; render_priv->images_root = NULL; check_cache_limits(render_priv, &render_priv->cache); return true; } static int cmp_event_layer(const void *p1, const void *p2) { ASS_Event *e1 = ((EventImages *) p1)->event; ASS_Event *e2 = ((EventImages *) p2)->event; if (e1->Layer < e2->Layer) return -1; if (e1->Layer > e2->Layer) return 1; if (e1->ReadOrder < e2->ReadOrder) return -1; if (e1->ReadOrder > e2->ReadOrder) return 1; return 0; } static ASS_RenderPriv *get_render_priv(ASS_Renderer *render_priv, ASS_Event *event) { if (!event->render_priv) { event->render_priv = calloc(1, sizeof(ASS_RenderPriv)); if (!event->render_priv) return NULL; } if (render_priv->render_id != event->render_priv->render_id) { memset(event->render_priv, 0, sizeof(ASS_RenderPriv)); event->render_priv->render_id = render_priv->render_id; } return event->render_priv; } static int overlap(Rect *s1, Rect *s2) { if (s1->y0 >= s2->y1 || s2->y0 >= s1->y1 || s1->x0 >= s2->x1 || s2->x0 >= s1->x1) return 0; return 1; } static int cmp_rect_y0(const void *p1, const void *p2) { return ((Rect *) p1)->y0 - ((Rect *) p2)->y0; } static void shift_event(ASS_Renderer *render_priv, EventImages *ei, int shift) { ASS_Image *cur = ei->imgs; while (cur) { cur->dst_y += shift; // clip top and bottom if (cur->dst_y < 0) { int clip = -cur->dst_y; cur->h -= clip; cur->bitmap += clip * cur->stride; cur->dst_y = 0; } if (cur->dst_y + cur->h >= render_priv->height) { int clip = cur->dst_y + cur->h - render_priv->height; cur->h -= clip; } if (cur->h <= 0) { cur->h = 0; cur->dst_y = 0; } cur = cur->next; } ei->top += shift; } // dir: 1 - move down // -1 - move up static int fit_rect(Rect *s, Rect *fixed, int *cnt, int dir) { int i; int shift = 0; if (dir == 1) // move down for (i = 0; i < *cnt; ++i) { if (s->y1 + shift <= fixed[i].y0 || s->y0 + shift >= fixed[i].y1 || s->x1 <= fixed[i].x0 || s->x0 >= fixed[i].x1) continue; shift = fixed[i].y1 - s->y0; } else // dir == -1, move up for (i = *cnt - 1; i >= 0; --i) { if (s->y1 + shift <= fixed[i].y0 || s->y0 + shift >= fixed[i].y1 || s->x1 <= fixed[i].x0 || s->x0 >= fixed[i].x1) continue; shift = fixed[i].y0 - s->y1; } fixed[*cnt].y0 = s->y0 + shift; fixed[*cnt].y1 = s->y1 + shift; fixed[*cnt].x0 = s->x0; fixed[*cnt].x1 = s->x1; (*cnt)++; qsort(fixed, *cnt, sizeof(*fixed), cmp_rect_y0); return shift; } static void fix_collisions(ASS_Renderer *render_priv, EventImages *imgs, int cnt) { Rect *used = ass_realloc_array(NULL, cnt, sizeof(*used)); int cnt_used = 0; int i, j; if (!used) return; // fill used[] with fixed events for (i = 0; i < cnt; ++i) { ASS_RenderPriv *priv; // VSFilter considers events colliding if their intersections area is non-zero, // zero-area events are therefore effectively fixed as well if (!imgs[i].detect_collisions || !imgs[i].height || !imgs[i].width) continue; priv = get_render_priv(render_priv, imgs[i].event); if (priv && priv->height > 0) { // it's a fixed event Rect s; s.y0 = priv->top; s.y1 = priv->top + priv->height; s.x0 = priv->left; s.x1 = priv->left + priv->width; if (priv->height != imgs[i].height) { // no, it's not ass_msg(render_priv->library, MSGL_WARN, "Event height has changed"); priv->top = 0; priv->height = 0; priv->left = 0; priv->width = 0; } for (j = 0; j < cnt_used; ++j) if (overlap(&s, used + j)) { // no, it's not priv->top = 0; priv->height = 0; priv->left = 0; priv->width = 0; } if (priv->height > 0) { // still a fixed event used[cnt_used].y0 = priv->top; used[cnt_used].y1 = priv->top + priv->height; used[cnt_used].x0 = priv->left; used[cnt_used].x1 = priv->left + priv->width; cnt_used++; shift_event(render_priv, imgs + i, priv->top - imgs[i].top); } } } qsort(used, cnt_used, sizeof(*used), cmp_rect_y0); // try to fit other events in free spaces for (i = 0; i < cnt; ++i) { ASS_RenderPriv *priv; if (!imgs[i].detect_collisions || !imgs[i].height || !imgs[i].width) continue; priv = get_render_priv(render_priv, imgs[i].event); if (priv && priv->height == 0) { // not a fixed event int shift; Rect s; s.y0 = imgs[i].top; s.y1 = imgs[i].top + imgs[i].height; s.x0 = imgs[i].left; s.x1 = imgs[i].left + imgs[i].width; shift = fit_rect(&s, used, &cnt_used, imgs[i].shift_direction); if (shift) shift_event(render_priv, imgs + i, shift); // make it fixed priv->top = imgs[i].top; priv->height = imgs[i].height; priv->left = imgs[i].left; priv->width = imgs[i].width; } } free(used); } /** * \brief compare two images * \param i1 first image * \param i2 second image * \return 0 if identical, 1 if different positions, 2 if different content */ static int ass_image_compare(ASS_Image *i1, ASS_Image *i2) { if (i1->w != i2->w) return 2; if (i1->h != i2->h) return 2; if (i1->stride != i2->stride) return 2; if (i1->color != i2->color) return 2; if (i1->bitmap != i2->bitmap) return 2; if (i1->dst_x != i2->dst_x) return 1; if (i1->dst_y != i2->dst_y) return 1; return 0; } /** * \brief compare current and previous image list * \param priv library handle * \return 0 if identical, 1 if different positions, 2 if different content */ static int ass_detect_change(ASS_Renderer *priv) { ASS_Image *img, *img2; int diff; img = priv->prev_images_root; img2 = priv->images_root; diff = 0; while (img && diff < 2) { ASS_Image *next, *next2; next = img->next; if (img2) { int d = ass_image_compare(img, img2); if (d > diff) diff = d; next2 = img2->next; } else { // previous list is shorter diff = 2; break; } img = next; img2 = next2; } // is the previous list longer? if (img2) diff = 2; return diff; } /** * \brief render a frame * \param priv library handle * \param track track * \param now current video timestamp (ms) * \param detect_change a value describing how the new images differ from the previous ones will be written here: * 0 if identical, 1 if different positions, 2 if different content. * Can be NULL, in that case no detection is performed. */ ASS_Image *ass_render_frame(ASS_Renderer *priv, ASS_Track *track, long long now, int *detect_change) { // init frame if (!ass_start_frame(priv, track, now)) { if (detect_change) *detect_change = 2; return NULL; } // render events separately int cnt = 0; for (int i = 0; i < track->n_events; i++) { ASS_Event *event = track->events + i; if ((event->Start <= now) && (now < (event->Start + event->Duration))) { if (cnt >= priv->eimg_size) { priv->eimg_size += 100; priv->eimg = realloc(priv->eimg, priv->eimg_size * sizeof(EventImages)); } if (ass_render_event(&priv->state, event, priv->eimg + cnt)) cnt++; } } // sort by layer if (cnt > 0) qsort(priv->eimg, cnt, sizeof(EventImages), cmp_event_layer); // call fix_collisions for each group of events with the same layer EventImages *last = priv->eimg; for (int i = 1; i < cnt; i++) if (last->event->Layer != priv->eimg[i].event->Layer) { fix_collisions(priv, last, priv->eimg + i - last); last = priv->eimg + i; } if (cnt > 0) fix_collisions(priv, last, priv->eimg + cnt - last); // concat lists ASS_Image **tail = &priv->images_root; for (int i = 0; i < cnt; i++) { ASS_Image *cur = priv->eimg[i].imgs; while (cur) { *tail = cur; tail = &cur->next; cur = cur->next; } } ass_frame_ref(priv->images_root); if (detect_change) *detect_change = ass_detect_change(priv); // free the previous image list ass_frame_unref(priv->prev_images_root); priv->prev_images_root = NULL; return priv->images_root; } /** * \brief Add reference to a frame image list. * \param image_list image list returned by ass_render_frame() */ void ass_frame_ref(ASS_Image *img) { if (!img) return; ((ASS_ImagePriv *) img)->ref_count++; } /** * \brief Release reference to a frame image list. * \param image_list image list returned by ass_render_frame() */ void ass_frame_unref(ASS_Image *img) { if (!img || --((ASS_ImagePriv *) img)->ref_count) return; do { ASS_ImagePriv *priv = (ASS_ImagePriv *) img; img = img->next; ass_cache_dec_ref(priv->source); ass_aligned_free(priv->buffer); free(priv); } while (img); } libass-0.17.1/libass/ass_render.h0000644060175106017510000002647314376664500013616 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2009 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_RENDER_H #define LIBASS_RENDER_H #include #include #include #include #include FT_FREETYPE_H #include FT_GLYPH_H #include FT_SYNTHESIS_H #include #include "ass.h" #include "ass_font.h" #include "ass_bitmap.h" #include "ass_cache.h" #include "ass_utils.h" #include "ass_fontselect.h" #include "ass_library.h" #include "ass_drawing.h" #include "ass_bitmap.h" #include "ass_rasterizer.h" #define GLYPH_CACHE_MAX 10000 #define MEGABYTE (1024 * 1024) #define BITMAP_CACHE_MAX_SIZE (128 * MEGABYTE) #define COMPOSITE_CACHE_RATIO 2 #define COMPOSITE_CACHE_MAX_SIZE (BITMAP_CACHE_MAX_SIZE / COMPOSITE_CACHE_RATIO) #define PARSED_FADE (1<<0) #define PARSED_A (1<<1) typedef struct { ASS_Image result; CompositeHashValue *source; unsigned char *buffer; size_t ref_count; } ASS_ImagePriv; typedef struct { int frame_width; int frame_height; int storage_width; // video width before any rescaling int storage_height; // video height before any rescaling double font_size_coeff; // font size multiplier double line_spacing; // additional line spacing (in frame pixels) double line_position; // vertical position for subtitles, 0-100 (0 = no change) int top_margin; // height of top margin. Video frame is shifted down by top_margin. int bottom_margin; // height of bottom margin. (frame_height - top_margin - bottom_margin) is original video height. int left_margin; int right_margin; int use_margins; // 0 - place all subtitles inside original frame // 1 - place subtitles (incl. toptitles) in full display frame incl. margins double par; // user defined pixel aspect ratio (0 = unset) ASS_Hinting hinting; ASS_ShapingLevel shaper; int selective_style_overrides; // ASS_OVERRIDE_* flags char *default_font; char *default_family; } ASS_Settings; // a rendered event typedef struct { ASS_Image *imgs; int top, height, left, width; int detect_collisions; int shift_direction; ASS_Event *event; } EventImages; typedef enum { EF_NONE = 0, EF_KARAOKE, EF_KARAOKE_KF, EF_KARAOKE_KO } Effect; // describes a combined bitmap typedef struct { FilterDesc filter; uint32_t c[4]; // colors Effect effect_type; // during render_and_combine_glyphs: distance in subpixels from the karaoke origin. // after render_and_combine_glyphs: screen coordinate in pixels. // part of the glyph to the left of it is displayed in a different color. int32_t effect_timing; // karaoke origin: screen coordinate of leftmost post-transform control point x in subpixels int32_t leftmost_x; size_t bitmap_count, max_bitmap_count; BitmapRef *bitmaps; int x, y; Bitmap *bm, *bm_o, *bm_s; // glyphs, outline, shadow bitmaps CompositeHashValue *image; } CombinedBitmapInfo; typedef struct { ASS_DVector scale, offset; } ASS_Transform; // describes a glyph // GlyphInfo and TextInfo are used for text centering and word-wrapping operations typedef struct glyph_info { unsigned symbol; bool skip; // skip glyph when layouting text bool is_trimmed_whitespace; ASS_Font *font; int face_index; int glyph_index; hb_script_t script; double font_size; ASS_StringView drawing_text; int drawing_scale; int drawing_pbo; OutlineHashValue *outline; ASS_Transform transform; ASS_Rect bbox; ASS_Vector pos; ASS_Vector offset; char linebreak; // the first (leading) glyph of some line ? bool starts_new_run; uint32_t c[4]; // colors uint8_t a_pre_fade[4]; // alpha values before applying fades ASS_Vector advance; // 26.6 ASS_Vector cluster_advance; Effect effect_type; int32_t effect_timing; // time duration of current karaoke word // after ass_process_karaoke_effects: distance in subpixels from the karaoke origin. // part of the glyph to the left of it is displayed in a different color. int32_t effect_skip_timing; // delay after the end of last karaoke word bool reset_effect; int asc, desc; // font max ascender and descender int be; // blur edges double blur; // gaussian blur double shadow_x; double shadow_y; double frx, fry, frz; // rotation double fax, fay; // text shearing double scale_x, scale_y; // amount of scale_x,y change due to fix_glyph_scaling // scale_fix = before / after double scale_fix; int border_style; double border_x, border_y; double hspacing; int hspacing_scaled; // 26.6 unsigned italic; unsigned bold; int flags; int fade; int shape_run_id; ASS_Vector shift; Bitmap *bm, *bm_o; // next glyph in this cluster struct glyph_info *next; } GlyphInfo; typedef struct { double asc, desc; int offset, len; } LineInfo; typedef struct { GlyphInfo *glyphs; FriBidiChar *event_text; char *breaks; int length; LineInfo *lines; int n_lines; CombinedBitmapInfo *combined_bitmaps; unsigned n_bitmaps; double height; int border_top; int border_bottom; int border_x; int max_glyphs; int max_lines; unsigned max_bitmaps; } TextInfo; #include "ass_shaper.h" // Renderer state. // Values like current font face, color, screen position, clipping and so on are stored here. struct render_context { ASS_Renderer *renderer; TextInfo *text_info; ASS_Shaper *shaper; RasterizerData rasterizer; ASS_Event *event; ASS_Style *style; ASS_Font *font; double font_size; int parsed_tags; int flags; // decoration flags (underline/strike-through) int alignment; // alignment overrides go here; if zero, style value will be used int justify; // justify instructions double frx, fry, frz; double fax, fay; // text shearing double pos_x, pos_y; // position double org_x, org_y; // origin double scale_x, scale_y; double hspacing; // distance between letters, in pixels double border_x; // outline width double border_y; enum { EVENT_NORMAL = 0, // "normal" top-, sub- or mid- title EVENT_POSITIONED = 1, // happens after \pos or \move, margins are ignored EVENT_HSCROLL = 2, // "Banner" transition effect, text_width is unlimited EVENT_VSCROLL = 4 // "Scroll up", "Scroll down" transition effects } evt_type; int border_style; uint32_t c[4]; // colors(Primary, Secondary, so on) in RGBA int clip_x0, clip_y0, clip_x1, clip_y1; char have_origin; // origin is explicitly defined; if 0, get_base_point() is used char clip_mode; // 1 = iclip char detect_collisions; char be; // blur edges int fade; // alpha from \fad double blur; // gaussian blur double shadow_x; double shadow_y; double pbo; // drawing baseline offset ASS_StringView clip_drawing_text; // used to store RenderContext.style when doing selective style overrides ASS_Style override_style_temp_storage; int drawing_scale; // currently reading: regular text if 0, drawing otherwise int clip_drawing_scale; int clip_drawing_mode; // 0 = regular clip, 1 = inverse clip Effect effect_type; int32_t effect_timing; int32_t effect_skip_timing; bool reset_effect; enum { SCROLL_LR, // left-to-right SCROLL_RL, SCROLL_TB, // top-to-bottom SCROLL_BT } scroll_direction; // for EVENT_HSCROLL, EVENT_VSCROLL double scroll_shift; int scroll_y0, scroll_y1; // face properties ASS_StringView family; unsigned bold; unsigned italic; int treat_family_as_pattern; int wrap_style; int font_encoding; // combination of ASS_OVERRIDE_BIT_* flags that apply right now unsigned overrides; // whether to apply font_scale int apply_font_scale; // whether this is assumed to be explicitly positioned int explicit; double screen_scale_x; double screen_scale_y; double border_scale_x; double border_scale_y; double blur_scale_x; double blur_scale_y; }; typedef struct render_context RenderContext; typedef struct { Cache *font_cache; Cache *outline_cache; Cache *bitmap_cache; Cache *composite_cache; Cache *metrics_cache; size_t glyph_max; size_t bitmap_max_size; size_t composite_max_size; } CacheStore; struct ass_renderer { ASS_Library *library; FT_Library ftlibrary; ASS_FontSelector *fontselect; size_t num_emfonts; ASS_Settings settings; int render_id; ASS_Image *images_root; // rendering result is stored here ASS_Image *prev_images_root; EventImages *eimg; // temporary buffer for sorting rendered events int eimg_size; // allocated buffer size // frame-global data int width, height; // screen dimensions (the whole frame from ass_set_frame_size) int frame_content_height; // content frame height ( = screen height - API margins ) int frame_content_width; // content frame width ( = screen width - API margins ) double fit_height; // content frame height without zoom & pan (fit to screen & letterboxed) double fit_width; // content frame width without zoom & pan (fit to screen & letterboxed) ASS_Track *track; long long time; // frame's timestamp, ms double par_scale_x; // x scale applied to all glyphs to preserve text aspect ratio RenderContext state; TextInfo text_info; CacheStore cache; const BitmapEngine *engine; ASS_Style user_override_style; }; typedef struct render_priv { int top, height, left, width; int render_id; } RenderPriv; typedef struct { int x0; int y0; int x1; int y1; } Rect; void ass_reset_render_context(RenderContext *state, ASS_Style *style); void ass_frame_ref(ASS_Image *img); void ass_frame_unref(ASS_Image *img); ASS_Vector ass_layout_res(ASS_Renderer *render_priv); // XXX: this is actually in ass.c, includes should be fixed later on void ass_lazy_track_init(ASS_Library *lib, ASS_Track *track); #endif /* LIBASS_RENDER_H */ libass-0.17.1/libass/ass_render_api.c0000644060175106017510000001517414371314501014422 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2010 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include "ass_render.h" static void ass_reconfigure(ASS_Renderer *priv) { ASS_Settings *settings = &priv->settings; priv->render_id++; ass_cache_empty(priv->cache.composite_cache); ass_cache_empty(priv->cache.bitmap_cache); ass_cache_empty(priv->cache.outline_cache); priv->width = settings->frame_width; priv->height = settings->frame_height; priv->frame_content_width = settings->frame_width - settings->left_margin - settings->right_margin; priv->frame_content_height = settings->frame_height - settings->top_margin - settings->bottom_margin; priv->fit_width = (long long) priv->frame_content_width * priv->height >= (long long) priv->frame_content_height * priv->width ? priv->width : (double) priv->frame_content_width * priv->height / priv->frame_content_height; priv->fit_height = (long long) priv->frame_content_width * priv->height <= (long long) priv->frame_content_height * priv->width ? priv->height : (double) priv->frame_content_height * priv->width / priv->frame_content_width; } void ass_set_frame_size(ASS_Renderer *priv, int w, int h) { if (w < 0 || h < 0) w = h = 0; if (priv->settings.frame_width != w || priv->settings.frame_height != h) { priv->settings.frame_width = w; priv->settings.frame_height = h; ass_reconfigure(priv); } } void ass_set_storage_size(ASS_Renderer *priv, int w, int h) { if (w < 0 || h < 0) w = h = 0; if (priv->settings.storage_width != w || priv->settings.storage_height != h) { priv->settings.storage_width = w; priv->settings.storage_height = h; ass_reconfigure(priv); } } void ass_set_shaper(ASS_Renderer *priv, ASS_ShapingLevel level) { // select the complex shaper for illegal values if (level == ASS_SHAPING_SIMPLE || level == ASS_SHAPING_COMPLEX) priv->settings.shaper = level; else priv->settings.shaper = ASS_SHAPING_COMPLEX; } void ass_set_margins(ASS_Renderer *priv, int t, int b, int l, int r) { if (priv->settings.left_margin != l || priv->settings.right_margin != r || priv->settings.top_margin != t || priv->settings.bottom_margin != b) { priv->settings.left_margin = l; priv->settings.right_margin = r; priv->settings.top_margin = t; priv->settings.bottom_margin = b; ass_reconfigure(priv); } } void ass_set_use_margins(ASS_Renderer *priv, int use) { priv->settings.use_margins = use; } void ass_set_aspect_ratio(ASS_Renderer *priv, double dar, double sar) { ass_set_pixel_aspect(priv, dar / sar); } void ass_set_pixel_aspect(ASS_Renderer *priv, double par) { if (par < 0) par = 0; if (priv->settings.par != par) { priv->settings.par = par; ass_reconfigure(priv); } } void ass_set_font_scale(ASS_Renderer *priv, double font_scale) { if (priv->settings.font_size_coeff != font_scale) { priv->settings.font_size_coeff = font_scale; ass_reconfigure(priv); } } void ass_set_hinting(ASS_Renderer *priv, ASS_Hinting ht) { if (priv->settings.hinting != ht) { priv->settings.hinting = ht; ass_reconfigure(priv); } } void ass_set_line_spacing(ASS_Renderer *priv, double line_spacing) { priv->settings.line_spacing = line_spacing; } void ass_set_line_position(ASS_Renderer *priv, double line_position) { if (priv->settings.line_position != line_position) { priv->settings.line_position = line_position; ass_reconfigure(priv); } } void ass_set_fonts(ASS_Renderer *priv, const char *default_font, const char *default_family, int dfp, const char *config, int update) { free(priv->settings.default_font); free(priv->settings.default_family); priv->settings.default_font = default_font ? strdup(default_font) : 0; priv->settings.default_family = default_family ? strdup(default_family) : 0; ass_reconfigure(priv); ass_cache_empty(priv->cache.font_cache); ass_cache_empty(priv->cache.metrics_cache); if (priv->fontselect) ass_fontselect_free(priv->fontselect); priv->fontselect = ass_fontselect_init(priv->library, priv->ftlibrary, &priv->num_emfonts, default_family, default_font, config, dfp); } void ass_set_selective_style_override_enabled(ASS_Renderer *priv, int bits) { if (priv->settings.selective_style_overrides != bits) { priv->settings.selective_style_overrides = bits; ass_reconfigure(priv); } } void ass_set_selective_style_override(ASS_Renderer *priv, ASS_Style *style) { ASS_Style *user_style = &priv->user_override_style; free(user_style->FontName); *user_style = *style; user_style->FontName = strdup(user_style->FontName); } int ass_fonts_update(ASS_Renderer *render_priv) { // This is just a stub now! return 1; } void ass_set_cache_limits(ASS_Renderer *render_priv, int glyph_max, int bitmap_max) { render_priv->cache.glyph_max = glyph_max ? glyph_max : GLYPH_CACHE_MAX; size_t bitmap_cache, composite_cache; if (bitmap_max) { bitmap_cache = MEGABYTE * (size_t) bitmap_max; composite_cache = bitmap_cache / (COMPOSITE_CACHE_RATIO + 1); bitmap_cache -= composite_cache; } else { bitmap_cache = BITMAP_CACHE_MAX_SIZE; composite_cache = COMPOSITE_CACHE_MAX_SIZE; } render_priv->cache.bitmap_max_size = bitmap_cache; render_priv->cache.composite_max_size = composite_cache; } ASS_FontProvider * ass_create_font_provider(ASS_Renderer *priv, ASS_FontProviderFuncs *funcs, void *data) { return ass_font_provider_new(priv->fontselect, funcs, data); } libass-0.17.1/libass/ass_shaper.c0000644060175106017510000011036714376664500013610 00000000000000/* * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include "ass_shaper.h" #include "ass_render.h" #include "ass_font.h" #include "ass_parse.h" #include "ass_cache.h" #include #include #include #include FT_FREETYPE_H #include FT_TRUETYPE_TABLES_H enum { VERT = 0, VKNA, KERN, LIGA, CLIG }; #define NUM_FEATURES 5 enum { WHOLE_TEXT_LAYOUT_OFF, WHOLE_TEXT_LAYOUT_IMPLICIT, WHOLE_TEXT_LAYOUT_EXPLICIT, }; struct ass_shaper { ASS_ShapingLevel shaping_level; // FriBidi log2vis int n_glyphs, n_pars; FriBidiChar *event_text; // just a reference, owned by text_info FriBidiCharType *ctypes; FriBidiLevel *emblevels; FriBidiStrIndex *cmap; FriBidiParType *pbase_dir; FriBidiParType base_direction; // OpenType features int n_features; hb_feature_t *features; hb_language_t language; // Glyph metrics cache, to speed up shaping Cache *metrics_cache; #ifdef USE_FRIBIDI_EX_API FriBidiBracketType *btypes; bool bidi_brackets; #endif char whole_text_layout; }; struct ass_shaper_metrics_data { Cache *metrics_cache; GlyphMetricsHashKey hash_key; int vertical; }; struct ass_shaper_font_data { hb_font_t *fonts[ASS_FONT_MAX_FACES]; hb_font_funcs_t *font_funcs[ASS_FONT_MAX_FACES]; struct ass_shaper_metrics_data *metrics_data[ASS_FONT_MAX_FACES]; }; /** * \brief Print version information */ void ass_shaper_info(ASS_Library *lib) { ass_msg(lib, MSGL_INFO, "Shaper: FriBidi " FRIBIDI_VERSION " (SIMPLE)" " HarfBuzz-ng %s (COMPLEX)", hb_version_string() ); } /** * \brief grow arrays, if needed * \param new_size requested size */ static bool check_allocations(ASS_Shaper *shaper, size_t new_size, size_t n_pars) { if (new_size > shaper->n_glyphs) { if (!ASS_REALLOC_ARRAY(shaper->ctypes, new_size) || #ifdef USE_FRIBIDI_EX_API (shaper->bidi_brackets && !ASS_REALLOC_ARRAY(shaper->btypes, new_size)) || #endif !ASS_REALLOC_ARRAY(shaper->emblevels, new_size) || !ASS_REALLOC_ARRAY(shaper->cmap, new_size)) return false; shaper->n_glyphs = new_size; } if (shaper->whole_text_layout && n_pars > shaper->n_pars) { if (!ASS_REALLOC_ARRAY(shaper->pbase_dir, n_pars)) return false; shaper->n_pars = n_pars; } return true; } /** * \brief Free shaper and related data */ void ass_shaper_free(ASS_Shaper *shaper) { free(shaper->features); free(shaper->ctypes); #ifdef USE_FRIBIDI_EX_API free(shaper->btypes); #endif free(shaper->emblevels); free(shaper->cmap); free(shaper->pbase_dir); free(shaper); } void ass_shaper_font_data_free(ASS_ShaperFontData *priv) { int i; for (i = 0; i < ASS_FONT_MAX_FACES; i++) if (priv->fonts[i]) { free(priv->metrics_data[i]); hb_font_destroy(priv->fonts[i]); hb_font_funcs_destroy(priv->font_funcs[i]); } free(priv); } /** * \brief set up the HarfBuzz OpenType feature list with some * standard features. */ static bool init_features(ASS_Shaper *shaper) { shaper->features = calloc(sizeof(hb_feature_t), NUM_FEATURES); if (!shaper->features) return false; shaper->n_features = NUM_FEATURES; shaper->features[VERT].tag = HB_TAG('v', 'e', 'r', 't'); shaper->features[VERT].end = UINT_MAX; shaper->features[VKNA].tag = HB_TAG('v', 'k', 'n', 'a'); shaper->features[VKNA].end = UINT_MAX; shaper->features[KERN].tag = HB_TAG('k', 'e', 'r', 'n'); shaper->features[KERN].end = UINT_MAX; shaper->features[LIGA].tag = HB_TAG('l', 'i', 'g', 'a'); shaper->features[LIGA].end = UINT_MAX; shaper->features[CLIG].tag = HB_TAG('c', 'l', 'i', 'g'); shaper->features[CLIG].end = UINT_MAX; return true; } /** * \brief Set features depending on properties of the run */ static void set_run_features(ASS_Shaper *shaper, GlyphInfo *info) { // enable vertical substitutions for @font runs if (info->font->desc.vertical) shaper->features[VERT].value = shaper->features[VKNA].value = 1; else shaper->features[VERT].value = shaper->features[VKNA].value = 0; // disable ligatures if horizontal spacing is non-standard if (info->hspacing) shaper->features[LIGA].value = shaper->features[CLIG].value = 0; else shaper->features[LIGA].value = shaper->features[CLIG].value = 1; } /** * \brief Update HarfBuzz's idea of font metrics * \param hb_font HarfBuzz font * \param face associated FreeType font face */ static void update_hb_size(hb_font_t *hb_font, FT_Face face) { hb_font_set_scale (hb_font, ((uint64_t) face->size->metrics.x_scale * (uint64_t) face->units_per_EM) >> 16, ((uint64_t) face->size->metrics.y_scale * (uint64_t) face->units_per_EM) >> 16); hb_font_set_ppem (hb_font, face->size->metrics.x_ppem, face->size->metrics.y_ppem); } /* * Cached glyph metrics getters follow * * These functions replace HarfBuzz' standard FreeType font functions * and provide cached access to essential glyph metrics. This usually * speeds up shaping a lot. It also allows us to use custom load flags. * */ static FT_Glyph_Metrics * get_cached_metrics(struct ass_shaper_metrics_data *metrics, hb_codepoint_t unicode, hb_codepoint_t glyph) { bool rotate = false; // if @font rendering is enabled and the glyph should be rotated, // make cached_h_advance pick up the right advance later if (metrics->vertical && unicode >= VERTICAL_LOWER_BOUND) rotate = true; metrics->hash_key.glyph_index = glyph; FT_Glyph_Metrics *val = ass_cache_get(metrics->metrics_cache, &metrics->hash_key, rotate ? metrics : NULL); if (!val) return NULL; if (val->width >= 0) return val; ass_cache_dec_ref(val); return NULL; } size_t ass_glyph_metrics_construct(void *key, void *value, void *priv) { GlyphMetricsHashKey *k = key; FT_Glyph_Metrics *v = value; int load_flags = FT_LOAD_DEFAULT | FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH | FT_LOAD_IGNORE_TRANSFORM; FT_Face face = k->font->faces[k->face_index]; if (FT_Load_Glyph(face, k->glyph_index, load_flags)) { v->width = -1; return 1; } memcpy(v, &face->glyph->metrics, sizeof(FT_Glyph_Metrics)); if (priv) // rotate v->horiAdvance = v->vertAdvance; return 1; } static hb_blob_t* get_reference_table(hb_face_t *hbface, hb_tag_t tag, void *font_data) { FT_Face face = font_data; FT_ULong len = 0; if (FT_Load_Sfnt_Table(face, tag, 0, NULL, &len) != FT_Err_Ok) return NULL; char *buf = malloc(len); if (!buf) return NULL; if (FT_Load_Sfnt_Table(face, tag, 0, (FT_Byte*)buf, &len) != FT_Err_Ok) { free(buf); return NULL; } hb_blob_t *blob = hb_blob_create(buf, len, HB_MEMORY_MODE_WRITABLE, buf, free); if (!blob) free(buf); return blob; } static hb_bool_t get_glyph_nominal(hb_font_t *font, void *font_data, hb_codepoint_t unicode, hb_codepoint_t *glyph, void *user_data) { FT_Face face = font_data; struct ass_shaper_metrics_data *metrics_priv = user_data; *glyph = ass_font_index_magic(face, unicode); if (*glyph) *glyph = FT_Get_Char_Index(face, *glyph); if (!*glyph) return false; // rotate glyph advances for @fonts while we still know the Unicode codepoints FT_Glyph_Metrics *metrics = get_cached_metrics(metrics_priv, unicode, *glyph); ass_cache_dec_ref(metrics); return true; } static hb_bool_t get_glyph_variation(hb_font_t *font, void *font_data, hb_codepoint_t unicode, hb_codepoint_t variation, hb_codepoint_t *glyph, void *user_data) { FT_Face face = font_data; struct ass_shaper_metrics_data *metrics_priv = user_data; *glyph = ass_font_index_magic(face, unicode); if (*glyph) *glyph = FT_Face_GetCharVariantIndex(face, *glyph, variation); if (!*glyph) return false; // rotate glyph advances for @fonts while we still know the Unicode codepoints FT_Glyph_Metrics *metrics = get_cached_metrics(metrics_priv, unicode, *glyph); ass_cache_dec_ref(metrics); return true; } static hb_position_t cached_h_advance(hb_font_t *font, void *font_data, hb_codepoint_t glyph, void *user_data) { struct ass_shaper_metrics_data *metrics_priv = user_data; FT_Glyph_Metrics *metrics = get_cached_metrics(metrics_priv, 0, glyph); if (!metrics) return 0; hb_position_t advance = metrics->horiAdvance; ass_cache_dec_ref(metrics); return advance; } static hb_position_t cached_v_advance(hb_font_t *font, void *font_data, hb_codepoint_t glyph, void *user_data) { struct ass_shaper_metrics_data *metrics_priv = user_data; FT_Glyph_Metrics *metrics = get_cached_metrics(metrics_priv, 0, glyph); if (!metrics) return 0; hb_position_t advance = metrics->vertAdvance; ass_cache_dec_ref(metrics); return advance; } static hb_bool_t cached_h_origin(hb_font_t *font, void *font_data, hb_codepoint_t glyph, hb_position_t *x, hb_position_t *y, void *user_data) { return true; } static hb_bool_t cached_v_origin(hb_font_t *font, void *font_data, hb_codepoint_t glyph, hb_position_t *x, hb_position_t *y, void *user_data) { struct ass_shaper_metrics_data *metrics_priv = user_data; FT_Glyph_Metrics *metrics = get_cached_metrics(metrics_priv, 0, glyph); if (!metrics) return false; *x = metrics->horiBearingX - metrics->vertBearingX; *y = metrics->horiBearingY + metrics->vertBearingY; ass_cache_dec_ref(metrics); return true; } static hb_position_t get_h_kerning(hb_font_t *font, void *font_data, hb_codepoint_t first, hb_codepoint_t second, void *user_data) { FT_Face face = font_data; FT_Vector kern; if (FT_Get_Kerning(face, first, second, FT_KERNING_DEFAULT, &kern)) return 0; return kern.x; } static hb_position_t get_v_kerning(hb_font_t *font, void *font_data, hb_codepoint_t first, hb_codepoint_t second, void *user_data) { return 0; } static hb_bool_t cached_extents(hb_font_t *font, void *font_data, hb_codepoint_t glyph, hb_glyph_extents_t *extents, void *user_data) { struct ass_shaper_metrics_data *metrics_priv = user_data; FT_Glyph_Metrics *metrics = get_cached_metrics(metrics_priv, 0, glyph); if (!metrics) return false; extents->x_bearing = metrics->horiBearingX; extents->y_bearing = metrics->horiBearingY; extents->width = metrics->width; extents->height = -metrics->height; ass_cache_dec_ref(metrics); return true; } static hb_bool_t get_contour_point(hb_font_t *font, void *font_data, hb_codepoint_t glyph, unsigned int point_index, hb_position_t *x, hb_position_t *y, void *user_data) { FT_Face face = font_data; int load_flags = FT_LOAD_DEFAULT | FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH | FT_LOAD_IGNORE_TRANSFORM; if (FT_Load_Glyph(face, glyph, load_flags)) return false; if (point_index >= (unsigned)face->glyph->outline.n_points) return false; *x = face->glyph->outline.points[point_index].x; *y = face->glyph->outline.points[point_index].y; return true; } /** * \brief Retrieve HarfBuzz font from cache. * Create it from FreeType font, if needed. * \param info glyph cluster * \return HarfBuzz font */ static hb_font_t *get_hb_font(ASS_Shaper *shaper, GlyphInfo *info) { ASS_Font *font = info->font; hb_font_t **hb_fonts; if (!font->shaper_priv) font->shaper_priv = calloc(sizeof(ASS_ShaperFontData), 1); if (!font->shaper_priv) return NULL; hb_fonts = font->shaper_priv->fonts; if (!hb_fonts[info->face_index]) { FT_Face face = font->faces[info->face_index]; hb_face_t *hb_face = hb_face_create_for_tables(get_reference_table, face, NULL); if (!hb_face) return NULL; hb_face_set_index(hb_face, face->face_index); hb_face_set_upem(hb_face, face->units_per_EM); hb_font_t *hb_font = hb_fonts[info->face_index] = hb_font_create(hb_face); hb_face_destroy(hb_face); if (!hb_font) return NULL; hb_font_set_scale(hb_font, (int)(((uint64_t)face->size->metrics.x_scale * face->units_per_EM + (1<<15)) >> 16), (int)(((uint64_t)face->size->metrics.y_scale * face->units_per_EM + (1<<15)) >> 16)); // set up cached metrics access struct ass_shaper_metrics_data *metrics = font->shaper_priv->metrics_data[info->face_index] = calloc(sizeof(struct ass_shaper_metrics_data), 1); if (!metrics) return NULL; metrics->metrics_cache = shaper->metrics_cache; metrics->vertical = info->font->desc.vertical; hb_font_funcs_t *funcs = hb_font_funcs_create(); if (!funcs) return NULL; font->shaper_priv->font_funcs[info->face_index] = funcs; hb_font_funcs_set_nominal_glyph_func(funcs, get_glyph_nominal, metrics, NULL); hb_font_funcs_set_variation_glyph_func(funcs, get_glyph_variation, metrics, NULL); hb_font_funcs_set_glyph_h_advance_func(funcs, cached_h_advance, metrics, NULL); hb_font_funcs_set_glyph_v_advance_func(funcs, cached_v_advance, metrics, NULL); hb_font_funcs_set_glyph_h_origin_func(funcs, cached_h_origin, metrics, NULL); hb_font_funcs_set_glyph_v_origin_func(funcs, cached_v_origin, metrics, NULL); hb_font_funcs_set_glyph_h_kerning_func(funcs, get_h_kerning, metrics, NULL); hb_font_funcs_set_glyph_v_kerning_func(funcs, get_v_kerning, metrics, NULL); hb_font_funcs_set_glyph_extents_func(funcs, cached_extents, metrics, NULL); hb_font_funcs_set_glyph_contour_point_func(funcs, get_contour_point, metrics, NULL); hb_font_set_funcs(hb_font, funcs, face, NULL); } ass_face_set_size(font->faces[info->face_index], info->font_size); update_hb_size(hb_fonts[info->face_index], font->faces[info->face_index]); // update hash key for cached metrics struct ass_shaper_metrics_data *metrics = font->shaper_priv->metrics_data[info->face_index]; metrics->hash_key.font = info->font; metrics->hash_key.face_index = info->face_index; metrics->hash_key.size = info->font_size; return hb_fonts[info->face_index]; } /** * \brief Determine whether this Unicode codepoint affects shaping * of neighbors even if they are in separate shape runs due to bidi, * script or font splitting, using VSFilter as the reference. */ static inline bool is_shaping_control(unsigned symbol) { return symbol == 0x200C /* ZWNJ */ || symbol == 0x200D /* ZWJ */; } /** * \brief Map script to default language. * * This maps a script to a language, if a script has a representative * language it is typically used with. Otherwise, the invalid language * is returned. * * The mapping is similar to Pango's pango-language.c. * * \param script script tag * \return language tag */ static hb_language_t script_to_language(hb_script_t script) { switch (script) { // Unicode 1.1 case HB_SCRIPT_ARABIC: return hb_language_from_string("ar", -1); break; case HB_SCRIPT_ARMENIAN: return hb_language_from_string("hy", -1); break; case HB_SCRIPT_BENGALI: return hb_language_from_string("bn", -1); break; case HB_SCRIPT_CANADIAN_ABORIGINAL: return hb_language_from_string("iu", -1); break; case HB_SCRIPT_CHEROKEE: return hb_language_from_string("chr", -1); break; case HB_SCRIPT_COPTIC: return hb_language_from_string("cop", -1); break; case HB_SCRIPT_CYRILLIC: return hb_language_from_string("ru", -1); break; case HB_SCRIPT_DEVANAGARI: return hb_language_from_string("hi", -1); break; case HB_SCRIPT_GEORGIAN: return hb_language_from_string("ka", -1); break; case HB_SCRIPT_GREEK: return hb_language_from_string("el", -1); break; case HB_SCRIPT_GUJARATI: return hb_language_from_string("gu", -1); break; case HB_SCRIPT_GURMUKHI: return hb_language_from_string("pa", -1); break; case HB_SCRIPT_HANGUL: return hb_language_from_string("ko", -1); break; case HB_SCRIPT_HEBREW: return hb_language_from_string("he", -1); break; case HB_SCRIPT_HIRAGANA: return hb_language_from_string("ja", -1); break; case HB_SCRIPT_KANNADA: return hb_language_from_string("kn", -1); break; case HB_SCRIPT_KATAKANA: return hb_language_from_string("ja", -1); break; case HB_SCRIPT_LAO: return hb_language_from_string("lo", -1); break; case HB_SCRIPT_LATIN: return hb_language_from_string("en", -1); break; case HB_SCRIPT_MALAYALAM: return hb_language_from_string("ml", -1); break; case HB_SCRIPT_MONGOLIAN: return hb_language_from_string("mn", -1); break; case HB_SCRIPT_ORIYA: return hb_language_from_string("or", -1); break; case HB_SCRIPT_SYRIAC: return hb_language_from_string("syr", -1); break; case HB_SCRIPT_TAMIL: return hb_language_from_string("ta", -1); break; case HB_SCRIPT_TELUGU: return hb_language_from_string("te", -1); break; case HB_SCRIPT_THAI: return hb_language_from_string("th", -1); break; // Unicode 2.0 case HB_SCRIPT_TIBETAN: return hb_language_from_string("bo", -1); break; // Unicode 3.0 case HB_SCRIPT_ETHIOPIC: return hb_language_from_string("am", -1); break; case HB_SCRIPT_KHMER: return hb_language_from_string("km", -1); break; case HB_SCRIPT_MYANMAR: return hb_language_from_string("my", -1); break; case HB_SCRIPT_SINHALA: return hb_language_from_string("si", -1); break; case HB_SCRIPT_THAANA: return hb_language_from_string("dv", -1); break; // Unicode 3.2 case HB_SCRIPT_BUHID: return hb_language_from_string("bku", -1); break; case HB_SCRIPT_HANUNOO: return hb_language_from_string("hnn", -1); break; case HB_SCRIPT_TAGALOG: return hb_language_from_string("tl", -1); break; case HB_SCRIPT_TAGBANWA: return hb_language_from_string("tbw", -1); break; // Unicode 4.0 case HB_SCRIPT_UGARITIC: return hb_language_from_string("uga", -1); break; // Unicode 4.1 case HB_SCRIPT_BUGINESE: return hb_language_from_string("bug", -1); break; case HB_SCRIPT_OLD_PERSIAN: return hb_language_from_string("peo", -1); break; case HB_SCRIPT_SYLOTI_NAGRI: return hb_language_from_string("syl", -1); break; // Unicode 5.0 case HB_SCRIPT_NKO: return hb_language_from_string("nko", -1); break; // no representative language exists default: return HB_LANGUAGE_INVALID; break; } } /** * \brief Determine language to be used for shaping a run. * * \param shaper shaper instance * \param script script tag associated with run * \return language tag */ static hb_language_t hb_shaper_get_run_language(ASS_Shaper *shaper, hb_script_t script) { hb_language_t lang; // override set, use it if (shaper->language != HB_LANGUAGE_INVALID) return shaper->language; // get default language for given script lang = script_to_language(script); // no dice, use system default if (lang == HB_LANGUAGE_INVALID) lang = hb_language_get_default(); return lang; } /** * \brief Feed a run of shaped characters into the GlyphInfo array. * * \param glyphs GlyphInfo array * \param buf buffer of shaped run * \param offset offset into GlyphInfo array */ static void shape_harfbuzz_process_run(GlyphInfo *glyphs, hb_buffer_t *buf, int offset) { int j; int num_glyphs = hb_buffer_get_length(buf); hb_glyph_info_t *glyph_info = hb_buffer_get_glyph_infos(buf, NULL); hb_glyph_position_t *pos = hb_buffer_get_glyph_positions(buf, NULL); for (j = 0; j < num_glyphs; j++) { unsigned idx = glyph_info[j].cluster + offset; GlyphInfo *info = glyphs + idx; GlyphInfo *root = info; // if we have more than one glyph per cluster, allocate a new one // and attach to the root glyph if (!info->skip) { while (info->next) info = info->next; info->next = malloc(sizeof(GlyphInfo)); if (info->next) { memcpy(info->next, info, sizeof(GlyphInfo)); ass_cache_inc_ref(info->font); info = info->next; info->next = NULL; } } // set position and advance info->skip = false; info->glyph_index = glyph_info[j].codepoint; info->offset.x = lrint(pos[j].x_offset * info->scale_x); info->offset.y = lrint(-pos[j].y_offset * info->scale_y); info->advance.x = lrint(pos[j].x_advance * info->scale_x); info->advance.y = lrint(-pos[j].y_advance * info->scale_y); // accumulate advance in the root glyph root->cluster_advance.x += info->advance.x; root->cluster_advance.y += info->advance.y; } } /** * \brief Shape event text with HarfBuzz. Full OpenType shaping. * \param glyphs glyph clusters * \param len number of clusters */ static bool shape_harfbuzz(ASS_Shaper *shaper, GlyphInfo *glyphs, size_t len) { int i; hb_buffer_t *buf = hb_buffer_create(); hb_segment_properties_t props = HB_SEGMENT_PROPERTIES_DEFAULT; // Initialize: skip all glyphs, this is undone later as needed for (i = 0; i < len; i++) glyphs[i].skip = true; for (i = 0; i < len; i++) { if (glyphs[i].drawing_text.str) { glyphs[i].skip = false; continue; } int offset = i; hb_font_t *font = get_hb_font(shaper, glyphs + offset); if (!font) return false; int run_id = glyphs[offset].shape_run_id; int level = shaper->emblevels[offset]; // advance in text until end of run while (i < (len - 1) && run_id == glyphs[i + 1].shape_run_id && level == shaper->emblevels[i + 1]) i++; hb_buffer_pre_allocate(buf, i - offset + 1); int lead_context = 0, trail_context = 0; if (shaper->whole_text_layout) { hb_buffer_add_utf32(buf, shaper->event_text, len, offset, i - offset + 1); } else { if (offset > 0 && !glyphs[offset].starts_new_run && is_shaping_control(glyphs[offset - 1].symbol)) lead_context = 1; if (i < (len - 1) && !glyphs[i + 1].starts_new_run && is_shaping_control(glyphs[i + 1].symbol)) trail_context = 1; hb_buffer_add_utf32(buf, shaper->event_text + offset - lead_context, i - offset + 1 + lead_context + trail_context, lead_context, i - offset + 1); } props.direction = FRIBIDI_LEVEL_IS_RTL(level) ? HB_DIRECTION_RTL : HB_DIRECTION_LTR; props.script = glyphs[offset].script; props.language = hb_shaper_get_run_language(shaper, props.script); hb_buffer_set_segment_properties(buf, &props); set_run_features(shaper, glyphs + offset); hb_shape(font, buf, shaper->features, shaper->n_features); shape_harfbuzz_process_run(glyphs, buf, shaper->whole_text_layout ? 0 : offset - lead_context); hb_buffer_reset(buf); } hb_buffer_destroy(buf); return true; } /** * \brief Determine script property of all characters. Characters of script * common and inherited get their script from their context. * */ void ass_shaper_determine_script(ASS_Shaper *shaper, GlyphInfo *glyphs, size_t len) { int i; int backwards_scan = 0; hb_unicode_funcs_t *ufuncs = hb_unicode_funcs_get_default(); hb_script_t last_script = HB_SCRIPT_UNKNOWN; // determine script (forward scan) for (i = 0; i < len; i++) { GlyphInfo *info = glyphs + i; info->script = hb_unicode_script(ufuncs, info->symbol); // common/inherit codepoints inherit script from context if (info->script == HB_SCRIPT_COMMON || info->script == HB_SCRIPT_INHERITED) { // unknown is not a valid context if (last_script != HB_SCRIPT_UNKNOWN) info->script = last_script; else // do a backwards scan to check if next codepoint // contains a valid script for context backwards_scan = 1; } else { last_script = info->script; } } // determine script (backwards scan, if needed) last_script = HB_SCRIPT_UNKNOWN; for (i = len - 1; i >= 0 && backwards_scan; i--) { GlyphInfo *info = glyphs + i; // common/inherit codepoints inherit script from context if (info->script == HB_SCRIPT_COMMON || info->script == HB_SCRIPT_INHERITED) { // unknown script is not a valid context if (last_script != HB_SCRIPT_UNKNOWN) info->script = last_script; } else { last_script = info->script; } } } /** * \brief Shape event text with FriBidi. Does mirroring and simple * Arabic shaping. * \param len number of clusters */ static void shape_fribidi(ASS_Shaper *shaper, GlyphInfo *glyphs, size_t len) { int i; FriBidiJoiningType *joins = calloc(sizeof(*joins), len); // shape on codepoint level fribidi_get_joining_types(shaper->event_text, len, joins); fribidi_join_arabic(shaper->ctypes, len, shaper->emblevels, joins); fribidi_shape(FRIBIDI_FLAGS_DEFAULT | FRIBIDI_FLAGS_ARABIC, shaper->emblevels, len, joins, shaper->event_text); // update indexes for (i = 0; i < len; i++) { GlyphInfo *info = glyphs + i; FT_Face face = info->font->faces[info->face_index]; info->symbol = shaper->event_text[i]; info->glyph_index = ass_font_index_magic(face, shaper->event_text[i]); if (info->glyph_index) info->glyph_index = FT_Get_Char_Index(face, info->glyph_index); } free(joins); } /** * \brief Toggle kerning for HarfBuzz shaping. * \param shaper shaper instance * \param kern toggle kerning */ void ass_shaper_set_kerning(ASS_Shaper *shaper, bool kern) { shaper->features[KERN].value = kern; } /** * \brief Determine whether HarfBuzz ignores any font-provided glyph * for this Unicode codepoint and replaces it with a zero-width glyph. * Matches hb_unicode_funcs_t::is_default_ignorable in hb-unicode.hh. * The affected codepoints are a subset of Unicode's Default_Ignorable list. */ static inline bool is_harfbuzz_ignorable(unsigned symbol) { switch (symbol >> 8) { case 0x00: return symbol == 0x00AD; case 0x03: return symbol == 0x034F; case 0x06: return symbol == 0x061C; case 0x17: return symbol >= 0x17B4 && symbol <= 0x17B5; case 0x18: return symbol >= 0x180B && symbol <= 0x180E; case 0x20: return (symbol >= 0x200B && symbol <= 0x200F) || (symbol >= 0x202A && symbol <= 0x202E) || (symbol >= 0x2060 && symbol <= 0x206F); case 0xFE: return (symbol >= 0xFE00 && symbol <= 0xFE0F) || symbol == 0xFEFF; case 0xFF: return symbol >= 0xFFF0 && symbol <= 0xFFF8; case 0x1D1: return symbol >= 0x1D173 && symbol <= 0x1D17A; default: return symbol >= 0xE0000 && symbol <= 0xE0FFF; } } /** * \brief Remove all zero-width invisible characters from the text. */ static void ass_shaper_skip_characters(GlyphInfo *glyphs, size_t len) { for (int i = 0; i < len; i++) { if (is_harfbuzz_ignorable(glyphs[i].symbol)) { glyphs[i].skip = true; } } } /** * \brief Find shape runs according to the event's selected fonts */ void ass_shaper_find_runs(ASS_Shaper *shaper, ASS_Renderer *render_priv, GlyphInfo *glyphs, size_t len) { int i; int shape_run = 0; ass_shaper_determine_script(shaper, glyphs, len); ass_shaper_skip_characters(glyphs, len); // find appropriate fonts for the shape runs for (i = 0; i < len; i++) { GlyphInfo *info = glyphs + i; if (!info->drawing_text.str && !info->skip) { // get font face and glyph index ass_font_get_index(render_priv->fontselect, info->font, info->symbol, &info->face_index, &info->glyph_index); } if (i > 0) { GlyphInfo *last = glyphs + i - 1; if ((last->font != info->font || (!info->skip && last->face_index != info->face_index) || last->script != info->script || info->starts_new_run || (!shaper->whole_text_layout && info->hspacing) || last->flags != info->flags)) shape_run++; else if (info->skip) info->face_index = last->face_index; } info->shape_run_id = shape_run; } } /** * \brief Set base direction (paragraph direction) of the text. * \param dir base direction */ void ass_shaper_set_base_direction(ASS_Shaper *shaper, FriBidiParType dir) { shaper->base_direction = dir; if (shaper->whole_text_layout != WHOLE_TEXT_LAYOUT_EXPLICIT) shaper->whole_text_layout = dir == FRIBIDI_PAR_ON ? WHOLE_TEXT_LAYOUT_IMPLICIT : WHOLE_TEXT_LAYOUT_OFF; } /** * \brief Set language hint. Some languages have specific character variants, * like Serbian Cyrillic. * \param lang ISO 639-1 two-letter language code */ void ass_shaper_set_language(ASS_Shaper *shaper, const char *code) { hb_language_t lang; if (code) lang = hb_language_from_string(code, -1); else lang = HB_LANGUAGE_INVALID; shaper->language = lang; } /** * Set shaping level. Essentially switches between FriBidi and HarfBuzz. */ void ass_shaper_set_level(ASS_Shaper *shaper, ASS_ShapingLevel level) { shaper->shaping_level = level; } #ifdef USE_FRIBIDI_EX_API void ass_shaper_set_bidi_brackets(ASS_Shaper *shaper, bool match_brackets) { shaper->bidi_brackets = match_brackets; } #endif void ass_shaper_set_whole_text_layout(ASS_Shaper *shaper, bool enable) { shaper->whole_text_layout = enable ? WHOLE_TEXT_LAYOUT_EXPLICIT : shaper->base_direction == FRIBIDI_PAR_ON ? WHOLE_TEXT_LAYOUT_IMPLICIT : WHOLE_TEXT_LAYOUT_OFF; } /** * \brief Shape an event's text. Calculates directional runs and shapes them. * \param text_info event's text * \return success, when 0 */ bool ass_shaper_shape(ASS_Shaper *shaper, TextInfo *text_info) { int i, ret, last_break; FriBidiParType dir, *pdir; GlyphInfo *glyphs = text_info->glyphs; shaper->event_text = text_info->event_text; int n_pars = 1; for (i = 0; i < text_info->length - 1; i++) if (glyphs[i].symbol == '\n') n_pars++; if (!check_allocations(shaper, text_info->length, n_pars)) return false; for (i = 0; i < text_info->length; i++) shaper->event_text[i] = glyphs[i].symbol; fribidi_get_bidi_types(shaper->event_text, text_info->length, shaper->ctypes); #ifdef USE_FRIBIDI_EX_API if (shaper->bidi_brackets) { fribidi_get_bracket_types(shaper->event_text, text_info->length, shaper->ctypes, shaper->btypes); } #endif // Get bidi embedding levels last_break = 0; pdir = shaper->pbase_dir; for (i = 0; i < text_info->length; i++) { // embedding levels should be calculated paragraph by paragraph if (glyphs[i].symbol == '\n' || i == text_info->length - 1 || (!shaper->whole_text_layout && (glyphs[i + 1].starts_new_run || glyphs[i].hspacing))) { dir = shaper->base_direction; #ifdef USE_FRIBIDI_EX_API FriBidiBracketType *btypes = NULL; if (shaper->bidi_brackets) btypes = shaper->btypes + last_break; ret = fribidi_get_par_embedding_levels_ex( shaper->ctypes + last_break, btypes, i - last_break + 1, &dir, shaper->emblevels + last_break); #else ret = fribidi_get_par_embedding_levels(shaper->ctypes + last_break, i - last_break + 1, &dir, shaper->emblevels + last_break); #endif if (ret == 0) return false; last_break = i + 1; if (shaper->whole_text_layout) *pdir++ = dir; } } switch (shaper->shaping_level) { case ASS_SHAPING_SIMPLE: shape_fribidi(shaper, glyphs, text_info->length); return true; case ASS_SHAPING_COMPLEX: default: return shape_harfbuzz(shaper, glyphs, text_info->length); } } /** * \brief Create a new shaper instance */ ASS_Shaper *ass_shaper_new(Cache *metrics_cache) { assert(metrics_cache); ASS_Shaper *shaper = calloc(sizeof(*shaper), 1); if (!shaper) return NULL; shaper->base_direction = FRIBIDI_PAR_ON; if (!init_features(shaper)) goto error; shaper->metrics_cache = metrics_cache; return shaper; error: ass_shaper_free(shaper); return NULL; } /** * \brief clean up additional data temporarily needed for shaping and * (e.g. additional glyphs allocated) */ void ass_shaper_cleanup(ASS_Shaper *shaper, TextInfo *text_info) { int i; for (i = 0; i < text_info->length; i++) { GlyphInfo *info = text_info->glyphs + i; info = info->next; while (info) { GlyphInfo *next = info->next; free(info); info = next; } } } /** * \brief Calculate reorder map to render glyphs in visual order * \param shaper shaper instance * \param text_info text to be reordered * \return map of reordered characters, or NULL */ FriBidiStrIndex *ass_shaper_reorder(ASS_Shaper *shaper, TextInfo *text_info) { int i, ret; // Initialize reorder map for (i = 0; i < text_info->length; i++) shaper->cmap[i] = i; // Create reorder map line-by-line or run-by-run int last_break = 0; FriBidiParType *pdir = shaper->whole_text_layout ? shaper->pbase_dir : &shaper->base_direction; GlyphInfo *glyphs = text_info->glyphs; for (i = 0; i < text_info->length; i++) { if (i == text_info->length - 1 || glyphs[i + 1].linebreak || (!shaper->whole_text_layout && (glyphs[i + 1].starts_new_run || glyphs[i].hspacing))) { ret = fribidi_reorder_line(0, shaper->ctypes, i - last_break + 1, last_break, *pdir, shaper->emblevels, NULL, shaper->cmap); if (ret == 0) return NULL; last_break = i + 1; if (shaper->whole_text_layout && glyphs[i].symbol == '\n') pdir++; } } return shaper->cmap; } FriBidiStrIndex *ass_shaper_get_reorder_map(ASS_Shaper *shaper) { return shaper->cmap; } /** * \brief Resolve a Windows font charset number to a suitable base * direction. Generally, use LTR for compatibility with VSFilter. The * special value -1, which is not a legal Windows font charset number, * can be used for autodetection. * \param enc Windows font encoding */ FriBidiParType ass_resolve_base_direction(int enc) { switch (enc) { case -1: return FRIBIDI_PAR_ON; default: return FRIBIDI_PAR_LTR; } } libass-0.17.1/libass/ass_shaper.h0000644060175106017510000000422314371314501013572 00000000000000/* * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_SHAPER_H #define LIBASS_SHAPER_H typedef struct ass_shaper ASS_Shaper; #include #include #include "ass_render.h" #include "ass_cache.h" #if FRIBIDI_MAJOR_VERSION >= 1 #define USE_FRIBIDI_EX_API #endif void ass_shaper_info(ASS_Library *lib); ASS_Shaper *ass_shaper_new(Cache *metrics_cache); void ass_shaper_free(ASS_Shaper *shaper); void ass_shaper_set_kerning(ASS_Shaper *shaper, bool kern); void ass_shaper_find_runs(ASS_Shaper *shaper, ASS_Renderer *render_priv, GlyphInfo *glyphs, size_t len); void ass_shaper_set_base_direction(ASS_Shaper *shaper, FriBidiParType dir); void ass_shaper_set_language(ASS_Shaper *shaper, const char *code); void ass_shaper_set_level(ASS_Shaper *shaper, ASS_ShapingLevel level); #ifdef USE_FRIBIDI_EX_API void ass_shaper_set_bidi_brackets(ASS_Shaper *shaper, bool match_brackets); #endif void ass_shaper_set_whole_text_layout(ASS_Shaper *shaper, bool enable); bool ass_shaper_shape(ASS_Shaper *shaper, TextInfo *text_info); void ass_shaper_cleanup(ASS_Shaper *shaper, TextInfo *text_info); FriBidiStrIndex *ass_shaper_reorder(ASS_Shaper *shaper, TextInfo *text_info); FriBidiStrIndex *ass_shaper_get_reorder_map(ASS_Shaper *shaper); FriBidiParType ass_resolve_base_direction(int font_encoding); void ass_shaper_font_data_free(ASS_ShaperFontData *priv); #endif libass-0.17.1/libass/ass_string.c0000644060175106017510000000600614021750200013602 00000000000000/* * Copyright (C) 2015 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include "ass_string.h" static const unsigned char lowertab[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; int ass_strcasecmp(const char *s1, const char *s2) { unsigned char a, b; do { a = lowertab[(unsigned char)*s1++]; b = lowertab[(unsigned char)*s2++]; } while (a && a == b); return a - b; } int ass_strncasecmp(const char *s1, const char *s2, size_t n) { unsigned char a, b; const char *last = s1 + n; do { a = lowertab[(unsigned char)*s1++]; b = lowertab[(unsigned char)*s2++]; } while (s1 < last && a && a == b); return a - b; } libass-0.17.1/libass/ass_string.h0000644060175106017510000000231514021750200013606 00000000000000/* * Copyright (C) 2015 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #ifndef ASS_STRING_H #define ASS_STRING_H int ass_strcasecmp(const char *s1, const char *s2); int ass_strncasecmp(const char *s1, const char *s2, size_t n); static inline int ass_isspace(int c) { return c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f' || c == '\r'; } static inline int ass_isdigit(int c) { return c >= '0' && c <= '9'; } #endif libass-0.17.1/libass/ass_strtod.c0000644060175106017510000002436414201032210013614 00000000000000/* * Copyright (c) 1988-1993 The Regents of the University of California. * Copyright (c) 1994 Sun Microsystems, Inc. * Copyright (c) 2016 Oleg Oshmyan * * Permission to use, copy, modify, and distribute this * software and its documentation for any purpose and without * fee is hereby granted, provided that the above copyright * notice appear in all copies. The University of California * makes no representations about the suitability of this * software for any purpose. It is provided "as is" without * express or implied warranty. * */ #include "config.h" #include "ass_compat.h" #include #include #include #include "ass_string.h" static const size_t maxExponent = 511; /* Largest possible base 10 exponent. Any * exponent larger than this will already * produce underflow or overflow, so there's * no need to worry about additional digits. */ static const double powersOf10[] = { /* Table giving binary powers of 10. Entry */ 10., /* is 10^2^i. Used to convert decimal */ 100., /* exponents into floating-point numbers. */ 1.0e4, 1.0e8, 1.0e16, 1.0e32, 1.0e64, 1.0e128, 1.0e256 }; static const double negPowOf10[] = { /* Table giving negative binary powers */ 0.1, /* of 10. Entry is 10^-2^i. */ 0.01, /* Used to convert decimal exponents */ 1.0e-4, /* into floating-point numbers. */ 1.0e-8, 1.0e-16, 1.0e-32, 1.0e-64, 1.0e-128, 1.0e-256 }; /* *---------------------------------------------------------------------- * * strtod -- * * This procedure converts a floating-point number from an ASCII * decimal representation to internal double-precision format. * * Results: * The return value is the double-precision floating-point * representation of the characters in string. If endPtr isn't * NULL, then *endPtr is filled in with the address of the * next character after the last one that was part of the * floating-point number. * * Side effects: * None. * *---------------------------------------------------------------------- */ double ass_strtod( const char *string, /* A decimal ASCII floating-point number, * optionally preceded by white space. * Must have form "-I.FE-X", where I is the * integer part of the mantissa, F is the * fractional part of the mantissa, and X * is the exponent. Either of the signs * may be "+", "-", or omitted. Either I * or F may be omitted, or both. The decimal * point isn't necessary unless F is present. * The "E" may actually be an "e". E and X * may both be omitted (but not just one). */ char **endPtr /* If non-NULL, store terminating character's * address here. */ ) { int sign, fracExpSign, expSign; double fraction, dblExp; const double *d; register const char *p; register int c; size_t exp = 0; /* Exponent read from "EX" field. */ size_t fracExp; /* Exponent that derives from the fractional * part. Under normal circumstatnces, it is * the negative of the number of digits in F. * However, if I is very long, the last digits * of I get dropped (otherwise a long I with a * large negative exponent could cause an * unnecessary overflow on I alone). In this * case, fracExp is incremented one for each * dropped digit. */ size_t mantSize; /* Number of digits in mantissa. */ size_t decPt; /* Number of mantissa digits BEFORE decimal * point. */ size_t leadZeros; /* Number of leading zeros in mantissa. */ const char *pExp; /* Temporarily holds location of exponent * in string. */ /* * Strip off leading blanks and check for a sign. */ p = string; while (ass_isspace(*p)) { p += 1; } if (*p == '-') { sign = 1; p += 1; } else { if (*p == '+') { p += 1; } sign = 0; } /* * Count the number of digits in the mantissa (including the decimal * point), and also locate the decimal point. */ decPt = -1; leadZeros = -1; for (mantSize = 0; ; mantSize += 1) { c = *p; if (!ass_isdigit(c)) { if ((c != '.') || (decPt != (size_t) -1)) { break; } decPt = mantSize; } else if ((c != '0') && (leadZeros == (size_t) -1)) { leadZeros = mantSize; } p += 1; } /* * Now suck up the digits in the mantissa. Use two integers to * collect 9 digits each (this is faster than using floating-point). * If the mantissa has more than 18 digits, ignore the extras, since * they can't affect the value anyway. */ if (leadZeros == (size_t) -1) { leadZeros = mantSize; } pExp = p; p -= mantSize - leadZeros; if (decPt == (size_t) -1) { decPt = mantSize; } else { mantSize -= 1; /* One of the digits was the point. */ if (decPt < leadZeros) { leadZeros -= 1; } } if (mantSize - leadZeros > 18) { mantSize = leadZeros + 18; } if (decPt < mantSize) { fracExpSign = 1; fracExp = mantSize - decPt; } else { fracExpSign = 0; fracExp = decPt - mantSize; } if (mantSize == 0) { fraction = 0.0; p = string; goto done; } else { int frac1, frac2, m; mantSize -= leadZeros; m = mantSize; frac1 = 0; for ( ; m > 9; m -= 1) { c = *p; p += 1; if (c == '.') { c = *p; p += 1; } frac1 = 10*frac1 + (c - '0'); } frac2 = 0; for (; m > 0; m -= 1) { c = *p; p += 1; if (c == '.') { c = *p; p += 1; } frac2 = 10*frac2 + (c - '0'); } fraction = (1.0e9 * frac1) + frac2; } /* * Skim off the exponent. */ p = pExp; if ((*p == 'E') || (*p == 'e')) { size_t expLimit; /* If exp > expLimit, appending another digit * to exp is guaranteed to make it too large. * If exp == expLimit, this may depend on * the exact digit, but in any case exp with * the digit appended and fracExp added will * still fit in size_t, even if it does * exceed maxExponent. */ int expWraparound = 0; p += 1; if (*p == '-') { expSign = 1; p += 1; } else { if (*p == '+') { p += 1; } expSign = 0; } if (expSign == fracExpSign) { if (maxExponent < fracExp) { expLimit = 0; } else { expLimit = (maxExponent - fracExp) / 10; } } else { expLimit = fracExp / 10 + (fracExp % 10 + maxExponent) / 10; } while (ass_isdigit(*p)) { if ((exp > expLimit) || expWraparound) { do { p += 1; } while (ass_isdigit(*p)); goto expOverflow; } else if (exp > ((size_t) -1 - (*p - '0')) / 10) { expWraparound = 1; } exp = exp * 10u + (*p - '0'); p += 1; } if (expSign == fracExpSign) { exp = fracExp + exp; } else if ((fracExp <= exp) || expWraparound) { exp = exp - fracExp; } else { exp = fracExp - exp; expSign = fracExpSign; } } else { exp = fracExp; expSign = fracExpSign; } /* * Generate a floating-point number that represents the exponent. * Do this by processing the exponent one bit at a time to combine * many powers of 2 of 10. Then combine the exponent with the * fraction. */ if (exp > maxExponent) { expOverflow: exp = maxExponent; if (fraction != 0.0) { errno = ERANGE; } } /* Prefer positive powers of 10 for increased precision, especially * for small powers that are represented exactly in floating-point. */ if ((exp <= DBL_MAX_10_EXP) || !expSign) { d = powersOf10; } else { /* The floating-point format supports more negative exponents * than positive, or perhaps the result is a subnormal number. */ if (exp > -DBL_MIN_10_EXP) { /* The result might be a valid subnormal number, but the * exponent underflows. Tweak fraction so that it is below * 1.0 first, so that if the exponent still underflows after * that, the result is sure to underflow as well. */ exp -= mantSize; dblExp = 1.0; for (d = powersOf10; mantSize != 0; mantSize >>= 1, d += 1) { if (mantSize & 01) { dblExp *= *d; } } fraction /= dblExp; } d = negPowOf10; expSign = 0; } dblExp = 1.0; for (; exp != 0; exp >>= 1, d += 1) { if (exp & 01) { dblExp *= *d; } } if (expSign) { fraction /= dblExp; } else { fraction *= dblExp; } done: if (endPtr != NULL) { *endPtr = (char *) p; } if (sign) { return -fraction; } return fraction; } libass-0.17.1/libass/ass_types.h0000644060175106017510000003006314371314501013455 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2011 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_TYPES_H #define LIBASS_TYPES_H #include /** * GENERAL NOTE regarding the definitions exposed by this header * * The main use case for this is _reading_ the track fields, especially * track->YCbCrMatrix, to correctly display the rendering results. * * Furthermore, the exposed definitions also open up the possibility to _modify_ * the exposed structs, working closer to library internals and bypassing * e.g. creation of intermediate ASS-text buffers when creating dynamic events. * This is an advanced use case and should only be done when well-versed in ASS * and aware of the effects and legal values of _all_ fields of the structs. * The burden of sanitising and correctly initialising fields is then also * placed on the API user. * By nature of direct struct modifications working closer to library internals, * workflows that make use of this possibility are also more likely to be * affected by future API breaks than those which do not. * * To avoid desynchronisation with internal states, there are some restrictions * on when and how direct struct modification can be performed. * Ignoring them may lead to undefined behaviour. See the following listing: * * - Manual struct edits and track-modifying (including modification to the * event and style elements of the track) API calls cannot be freely mixed: * - Before manual changes are performed, it is allowed to call any such API, * unless the documentation of the funtion says otherwise. * - After manual changes have been performed, no track-modifying API may be * invoked, except for ass_track_set_feature and ass_flush_events. * - After the first call to ass_render_frame, existing array members * (e.g. members of events) and non-array track fields (e.g. PlayResX * or event_format) must not be modified. Adding new members to arrays * and updating the corresponding counter remains allowed. * - Adding and removing members to array fields, like events or styles, * must be done through the corresponding API function, e.g. ass_alloc_event. * See the documentation of these functions. * - The memory pointed to by string fields (char *) must be * free'able by the implementation of free used by libass. * * A non-exhaustive list of examples of track-modifying API functions: * ass_process_data, ass_process_codec_private, * ass_process_chunk, ass_read_styles, ... * * Direct struct modification can be done safely, but it is also easy to * miss an initialisation or violate these restrictions, thus introducing bugs * that may not manifest immediately. It should be carefully considered * whether this is worthwhile for the desired use-case. */ #define VALIGN_SUB 0 #define VALIGN_CENTER 8 #define VALIGN_TOP 4 #define HALIGN_LEFT 1 #define HALIGN_CENTER 2 #define HALIGN_RIGHT 3 #define ASS_JUSTIFY_AUTO 0 #define ASS_JUSTIFY_LEFT 1 #define ASS_JUSTIFY_CENTER 2 #define ASS_JUSTIFY_RIGHT 3 #define FONT_WEIGHT_LIGHT 300 #define FONT_WEIGHT_MEDIUM 400 #define FONT_WEIGHT_BOLD 700 #define FONT_SLANT_NONE 0 #define FONT_SLANT_ITALIC 100 #define FONT_SLANT_OBLIQUE 110 #define FONT_WIDTH_CONDENSED 75 #define FONT_WIDTH_NORMAL 100 #define FONT_WIDTH_EXPANDED 125 /* Opaque objects internally used by libass. Contents are private. */ typedef struct ass_renderer ASS_Renderer; typedef struct render_priv ASS_RenderPriv; typedef struct parser_priv ASS_ParserPriv; typedef struct ass_library ASS_Library; /* ASS Style: line */ typedef struct ass_style { char *Name; //must be a valid non-NULL string pointer; may be an empty string char *FontName; //must be a valid non-NULL string pointer; may be an empty string double FontSize; uint32_t PrimaryColour; uint32_t SecondaryColour; uint32_t OutlineColour; uint32_t BackColour; int Bold; // 0 or 1 (boolean) int Italic; // 0 or 1 (boolean) int Underline; // 0 or 1 (boolean) int StrikeOut; // 0 or 1 (boolean) double ScaleX; // positive with 1.0 representing 100% double ScaleY; // positive with 1.0 representing 100% double Spacing; double Angle; int BorderStyle; double Outline; double Shadow; int Alignment; // use `VALIGN_* | HALIGN_*` as value int MarginL; int MarginR; int MarginV; int Encoding; int treat_fontname_as_pattern; // does nothing (left in place for ABI-compatibility) double Blur; // sets a default \blur for the event; same values as \blur int Justify; // sets text justification independent of event alignment; use ASS_JUSTIFY_* } ASS_Style; /* * ASS_Event corresponds to a single Dialogue line; * text is stored as-is, style overrides will be parsed later. */ typedef struct ass_event { long long Start; // ms long long Duration; // ms int ReadOrder; int Layer; int Style; char *Name; int MarginL; int MarginR; int MarginV; char *Effect; char *Text; ASS_RenderPriv *render_priv; } ASS_Event; /** * Support for (xy-)VSFilter mangled colors * * Generally, xy-VSFilter emulates the classic VSFilter behavior of * rendering directly into the (usually YCbCr) video. Classic * guliverkli(2)-VSFilter is hardcoded to use BT.601(TV) as target colorspace * when converting the subtitle RGB color to the video colorspace. * This led to odd results when other colorspaces were used, particular * once those became more common with the rise of HDTV video: * HDTV typically uses BT.709(TV), but VSFilter continued assuming * BT.601(TV) for conversion. * * This means classic vsfilter will mangle colors as follows: * * screen_rgb = video_csp_to_rgb(rgb_to_bt601tv(ass_rgb)) * * where video_csp is the colorspace of the video with which the * subtitle was muxed. * * Subtitle authors worked around this issue by adjusting the color * to look as intended *after* going through the mangling process. Still, * this behaviour isn't great and also limits the color range. Yet, * for backwards compatibility with existing files, the classic mangling * must be preserved for existing files to not break the display of * color-matched typesets created with older VSFilter versions. Thus, * on iniative of xy-VSFilter/XYSubFilter a new explicit "YCbCr Matrix" * header was introduced to allow new files to avoid this color mangling. * However due to a limitation of VSFilter API, VSFilters don't actually * know the real colorspace of the video they're rendering to, so the * header wasn't created as a simple "Use ColourMangling: yes/no", but instead * specifies exactly which colorspace to use for the initial conversion * from the subtitle's RGB values to the video's YCbCr. So we now got * * screen_rgb = video_csp_to_rgb(rgb_to_ycbcr_header_csp(ass_rgb)) * * with rgb_to_ycbcr_header_csp defaulting to TV-range BT.601. * * XySubFilter, whose API was planned during introduction of this header, * is not affected by this VSFilter-API limitation, so for it and other * renderers like libass an additional special value "None" was also added. * "None" tells the renderer to directly use untouched RGB values without * any conversion. * * If the video itself is already in RGB natively, then no color mangling * happens regardless of the presence or value of a "YCbCr Matrix" header. * * The above mangling process with special value "None" to opt out * of any color mangling is the recommended default behaviour. * * Keep in mind though, that xy-VSFilter cannot accurately implement this and * will instead resort to a guessing the video colorspace based on resolution * and then convert RGB to the guessed space. * Also some versions of MPC-HC's Internal Subtitle Renderer don't implement * "None" and use TV.601 for unknown, but the video colorspace for no or an * empty header (which can break old subtitles). * * Aegisub's (the main application to produce ASS subtitle scripts) behaviour * regarding colorspaces is unfortunately a bit confusing. * As of time of writing there still is a config option to force BT.601(TV) * in some active forks (which should not be used to author subs and serves * at most as a tool to check how now ancient VSFilters would have rendered the * subs), the automatically chosen colorspace may depend on the fork and the * videoprovider used and furthermore Aegisub likes to override * "YCbCr Matrix: None" with the autodetected space of a loaded video. * Supposedly some Aegisub versions had an option that "tries not to mangle the * colors". It was said that if the header is not set to BT.601(TV), the colors * were supposed not to be mangled, even if the header was not set to "None". * * In general, misinterpreting this header or not using it will lead to * slightly different subtitle colors, which can matter if the subtitle * attempts to match solid colored areas in the video. * It is recommended to stick to XySubFilter-like behaviour described above. * A highly motivated application may also expose options to users to emulate * xy-VSFilter's resolution-depended guess or other (historic) mangling modes. * Completly ignoring the color mangling is likely to give bad results. * * Note that libass doesn't change colors based on this header. It * absolutely can't do that, because the video colorspace is required * in order to handle this as intended. API users must use the exposed * information to perform color mangling as described above. */ typedef enum ASS_YCbCrMatrix { YCBCR_DEFAULT = 0, // Header missing YCBCR_UNKNOWN, // Header could not be parsed correctly YCBCR_NONE, // "None" special value YCBCR_BT601_TV, YCBCR_BT601_PC, YCBCR_BT709_TV, YCBCR_BT709_PC, YCBCR_SMPTE240M_TV, YCBCR_SMPTE240M_PC, YCBCR_FCC_TV, YCBCR_FCC_PC // New enum values can be added here in new ABI-compatible library releases. } ASS_YCbCrMatrix; /* * ass track represent either an external script or a matroska subtitle stream * (no real difference between them); it can be used in rendering after the * headers are parsed (i.e. events format line read). */ typedef struct ass_track { int n_styles; // amount used int max_styles; // amount allocated int n_events; int max_events; ASS_Style *styles; // array of styles, max_styles length, n_styles used ASS_Event *events; // the same as styles char *style_format; // style format line (everything after "Format: ") char *event_format; // event format line enum { TRACK_TYPE_UNKNOWN = 0, TRACK_TYPE_ASS, TRACK_TYPE_SSA } track_type; // Script header fields int PlayResX; int PlayResY; double Timer; int WrapStyle; int ScaledBorderAndShadow; // 0 or 1 (boolean) int Kerning; // 0 or 1 (boolean) char *Language; // zero-terminated ISO-639-1 code ASS_YCbCrMatrix YCbCrMatrix; int default_style; // index of default style char *name; // file name in case of external subs, 0 for streams ASS_Library *library; ASS_ParserPriv *parser_priv; int LayoutResX; // overrides values from ass_set_storage_size and int LayoutResY; // also takes precendence over ass_set_pixel_aspect // New fields can be added here in new ABI-compatible library releases. } ASS_Track; #endif /* LIBASS_TYPES_H */ libass-0.17.1/libass/ass_utils.c0000644060175106017510000002015014376664500013454 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include "ass_compat.h" #include #include #include #include #include #include "ass_library.h" #include "ass.h" #include "ass_utils.h" #include "ass_string.h" #if CONFIG_ASM && ARCH_X86 #include "x86/cpuid.h" void ass_cpu_capabilities(bool *sse2, bool *avx2) { *sse2 = false; *avx2 = false; if (!ass_has_cpuid()) return; uint32_t eax = 0, ebx, ecx, edx; ass_get_cpuid(&eax, &ebx, &ecx, &edx); uint32_t max_leaf = eax; bool avx = false; if (max_leaf >= 1) { eax = 1; ass_get_cpuid(&eax, &ebx, &ecx, &edx); if (edx & (1 << 26)) // SSE2 *sse2 = true; if (ecx & (1 << 27) && // OSXSAVE ecx & (1 << 28)) { // AVX uint32_t xcr0l, xcr0h; ass_get_xgetbv(0, &xcr0l, &xcr0h); if (xcr0l & (1 << 1) && // XSAVE for XMM xcr0l & (1 << 2)) // XSAVE for YMM avx = true; } } if (max_leaf >= 7) { eax = 7; ass_get_cpuid(&eax, &ebx, &ecx, &edx); if (avx && ebx & (1 << 5)) // AVX2 *avx2 = true; } } #endif // ASM // Fallbacks #ifndef HAVE_STRDUP char *ass_strdup_fallback(const char *str) { size_t len = strlen(str) + 1; char *new_str = malloc(len); if (new_str) memcpy(new_str, str, len); return new_str; } #endif #ifndef HAVE_STRNDUP char *ass_strndup_fallback(const char *s, size_t n) { char *end = memchr(s, 0, n); size_t len = end ? end - s : n; char *new = len < SIZE_MAX ? malloc(len + 1) : NULL; if (new) { memcpy(new, s, len); new[len] = 0; } return new; } #endif void *ass_aligned_alloc(size_t alignment, size_t size, bool zero) { assert(!(alignment & (alignment - 1))); // alignment must be power of 2 if (size >= SIZE_MAX - alignment - sizeof(void *)) return NULL; char *allocation = zero ? calloc(size + sizeof(void *) + alignment - 1, 1) : malloc(size + sizeof(void *) + alignment - 1); if (!allocation) return NULL; char *ptr = allocation + sizeof(void *); unsigned int misalign = (uintptr_t)ptr & (alignment - 1); if (misalign) ptr += alignment - misalign; *((void **)ptr - 1) = allocation; return ptr; } void ass_aligned_free(void *ptr) { if (ptr) free(*((void **)ptr - 1)); } /** * This works similar to realloc(ptr, nmemb * size), but checks for overflow. * * Unlike some implementations of realloc, this never acts as a call to free(). * If the total size is 0, it is bumped up to 1. This means a NULL return always * means allocation failure, and the unportable realloc(0, 0) case is avoided. */ void *ass_realloc_array(void *ptr, size_t nmemb, size_t size) { if (nmemb > (SIZE_MAX / size)) return NULL; size *= nmemb; if (size < 1) size = 1; return realloc(ptr, size); } /** * Like ass_realloc_array(), but: * 1. on failure, return the original ptr value, instead of NULL * 2. set errno to indicate failure (errno!=0) or success (errno==0) */ void *ass_try_realloc_array(void *ptr, size_t nmemb, size_t size) { void *new_ptr = ass_realloc_array(ptr, nmemb, size); if (new_ptr) { errno = 0; return new_ptr; } else { errno = ENOMEM; return ptr; } } void ass_msg(ASS_Library *priv, int lvl, const char *fmt, ...) { va_list va; va_start(va, fmt); priv->msg_callback(lvl, fmt, va, priv->msg_callback_data); va_end(va); } unsigned ass_utf8_get_char(char **str) { uint8_t *strp = (uint8_t *) * str; unsigned c = *strp++; unsigned mask = 0x80; int len = -1; while (c & mask) { mask >>= 1; len++; } if (len <= 0 || len > 4) goto no_utf8; c &= mask - 1; while ((*strp & 0xc0) == 0x80) { if (len-- <= 0) goto no_utf8; c = (c << 6) | (*strp++ & 0x3f); } if (len) goto no_utf8; *str = (char *) strp; return c; no_utf8: strp = (uint8_t *) * str; c = *strp++; *str = (char *) strp; return c; } /** * Original version from http://www.cprogramming.com/tutorial/utf8.c * \brief Converts a single UTF-32 code point to UTF-8 * \param dest Buffer to write to. Writes a NULL terminator. * \param ch 32-bit character code to convert * \return number of bytes written * converts a single character and ASSUMES YOU HAVE ENOUGH SPACE */ unsigned ass_utf8_put_char(char *dest, uint32_t ch) { char *orig_dest = dest; if (ch < 0x80) { *dest++ = (char)ch; } else if (ch < 0x800) { *dest++ = (ch >> 6) | 0xC0; *dest++ = (ch & 0x3F) | 0x80; } else if (ch < 0x10000) { *dest++ = (ch >> 12) | 0xE0; *dest++ = ((ch >> 6) & 0x3F) | 0x80; *dest++ = (ch & 0x3F) | 0x80; } else if (ch < 0x110000) { *dest++ = (ch >> 18) | 0xF0; *dest++ = ((ch >> 12) & 0x3F) | 0x80; *dest++ = ((ch >> 6) & 0x3F) | 0x80; *dest++ = (ch & 0x3F) | 0x80; } *dest = '\0'; return dest - orig_dest; } /** * \brief Parse UTF-16 and return the code point of the sequence starting at src. * \param src pointer to a pointer to the start of the UTF-16 data * (will be set to the start of the next code point) * \return the code point */ static uint32_t ass_read_utf16be(uint8_t **src, size_t bytes) { if (bytes < 2) goto too_short; uint32_t cp = ((*src)[0] << 8) | (*src)[1]; *src += 2; bytes -= 2; if (cp >= 0xD800 && cp <= 0xDBFF) { if (bytes < 2) goto too_short; uint32_t cp2 = ((*src)[0] << 8) | (*src)[1]; if (cp2 < 0xDC00 || cp2 > 0xDFFF) return 0xFFFD; *src += 2; cp = 0x10000 + ((cp - 0xD800) << 10) + (cp2 - 0xDC00); } if (cp >= 0xDC00 && cp <= 0xDFFF) return 0xFFFD; return cp; too_short: *src += bytes; return 0xFFFD; } void ass_utf16be_to_utf8(char *dst, size_t dst_size, uint8_t *src, size_t src_size) { uint8_t *end = src + src_size; if (!dst_size) return; while (src < end) { uint32_t cp = ass_read_utf16be(&src, end - src); if (dst_size < 5) break; unsigned s = ass_utf8_put_char(dst, cp); dst += s; dst_size -= s; } *dst = '\0'; } /** * \brief find style by name the common way (\r matches differently) * \param track track * \param name style name * \return index in track->styles * Returns 0 if no styles found => expects at least 1 style. * Parsing code always adds "Default" style in the beginning. */ int ass_lookup_style(ASS_Track *track, char *name) { int i; // '*' seem to mean literally nothing; // VSFilter removes them as soon as it can while (*name == '*') ++name; // VSFilter then normalizes the case of "Default" // (only in contexts where this function is called) if (ass_strcasecmp(name, "Default") == 0) name = "Default"; for (i = track->n_styles - 1; i >= 0; --i) { if (strcmp(track->styles[i].Name, name) == 0) return i; } i = track->default_style; ass_msg(track->library, MSGL_WARN, "[%p]: Warning: no style named '%s' found, using '%s'", track, name, track->styles[i].Name); return i; } libass-0.17.1/libass/ass_utils.h0000644060175106017510000001363514376664500013473 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_UTILS_H #define LIBASS_UTILS_H #include #include #include #include #include #include #include #include #include #include #include "ass.h" #ifndef SIZE_MAX #define SIZE_MAX ((size_t)-1) #endif #define MSGL_FATAL 0 #define MSGL_ERR 1 #define MSGL_WARN 2 #define MSGL_INFO 4 #define MSGL_V 6 #define MSGL_DBG2 7 #define FFMAX(a,b) ((a) > (b) ? (a) : (b)) #define FFMIN(a,b) ((a) > (b) ? (b) : (a)) #define FFMINMAX(c,a,b) FFMIN(FFMAX(c, a), b) #define ASS_PI 3.14159265358979323846 #define FEATURE_MASK(feat) (((uint32_t) 1) << (feat)) #if CONFIG_ASM && ARCH_X86 void ass_cpu_capabilities(bool *sse2, bool *avx2); #endif typedef struct { const char *str; size_t len; } ASS_StringView; static inline char *ass_copy_string(ASS_StringView src) { char *buf = malloc(src.len + 1); if (buf) { memcpy(buf, src.str, src.len); buf[src.len] = '\0'; } return buf; } static inline bool ass_string_equal(ASS_StringView str1, ASS_StringView str2) { return str1.len == str2.len && !memcmp(str1.str, str2.str, str1.len); } void *ass_aligned_alloc(size_t alignment, size_t size, bool zero); void ass_aligned_free(void *ptr); void *ass_realloc_array(void *ptr, size_t nmemb, size_t size); void *ass_try_realloc_array(void *ptr, size_t nmemb, size_t size); /** * Reallocate the array in ptr to at least count elements. For example, if * you do "int *ptr = NULL; ASS_REALLOC_ARRAY(ptr, 5)", you can access ptr[0] * through ptr[4] (inclusive). * * If memory allocation fails, ptr is left unchanged, and the macro returns 0: * "if (!ASS_REALLOC_ARRAY(ptr, 5)) goto error;" * * A count of 0 does not free the array (see ass_realloc_array for remarks). */ #define ASS_REALLOC_ARRAY(ptr, count) \ (errno = 0, (ptr) = ass_try_realloc_array(ptr, count, sizeof(*ptr)), !errno) unsigned ass_utf8_get_char(char **str); unsigned ass_utf8_put_char(char *dest, uint32_t ch); void ass_utf16be_to_utf8(char *dst, size_t dst_size, uint8_t *src, size_t src_size); #if defined(__MINGW32__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)) __attribute__ ((format (gnu_printf, 3, 4))) #elif defined(__GNUC__) __attribute__ ((format (printf, 3, 4))) #endif void ass_msg(ASS_Library *priv, int lvl, const char *fmt, ...); int ass_lookup_style(ASS_Track *track, char *name); /* defined in ass_strtod.c */ double ass_strtod(const char *string, char **endPtr); static inline void skip_spaces(char **str) { char *p = *str; while ((*p == ' ') || (*p == '\t')) ++p; *str = p; } static inline void rskip_spaces(char **str, char *limit) { char *p = *str; while ((p > limit) && ((p[-1] == ' ') || (p[-1] == '\t'))) --p; *str = p; } /** * \brief converts numpad-style align to align. */ static inline int numpad2align(int val) { if (val < -INT_MAX) // Pick an alignment somewhat arbitrarily. VSFilter handles // INT32_MIN as a mix of 1, 2 and 3, so prefer one of those values. val = 2; else if (val < 0) val = -val; int res = ((val - 1) % 3) + 1; // horizontal alignment if (val <= 3) res |= VALIGN_SUB; else if (val <= 6) res |= VALIGN_CENTER; else res |= VALIGN_TOP; return res; } static inline size_t ass_align(size_t alignment, size_t s) { if (s > SIZE_MAX - (alignment - 1)) return s; return (s + (alignment - 1)) & ~(alignment - 1); } static inline uint32_t ass_bswap32(uint32_t x) { #ifdef _MSC_VER return _byteswap_ulong(x); #else return (x & 0x000000FF) << 24 | (x & 0x0000FF00) << 8 | (x & 0x00FF0000) >> 8 | (x & 0xFF000000) >> 24; #endif } static inline int d6_to_int(int x) { return (x + 32) >> 6; } static inline int d16_to_int(int x) { return (x + 32768) >> 16; } static inline int int_to_d6(int x) { return x * (1 << 6); } static inline int int_to_d16(int x) { return x * (1 << 16); } static inline int d16_to_d6(int x) { return (x + 512) >> 10; } static inline int d6_to_d16(int x) { return x * (1 << 10); } static inline double d6_to_double(int x) { return x / 64.; } static inline int double_to_d6(double x) { return lrint(x * 64); } static inline double d16_to_double(int x) { return ((double) x) / 0x10000; } static inline int double_to_d16(double x) { return lrint(x * 0x10000); } static inline double d22_to_double(int x) { return ((double) x) / 0x400000; } static inline int double_to_d22(double x) { return lrint(x * 0x400000); } static inline int32_t lshiftwrapi(int32_t i, int32_t shift) { // '0u +' to avoid automatic integer promotion causing UB return (0u + (uint32_t)i) << (shift & 31); } static inline int mystrtod(char **p, double *res) { char *start = *p; *res = ass_strtod(*p, p); return *p != start; } static inline int mystrtoi32(char **p, int base, int32_t *res) { char *start = *p; long long temp_res = strtoll(*p, p, base); *res = FFMINMAX(temp_res, INT32_MIN, INT32_MAX); return *p != start; } #endif /* LIBASS_UTILS_H */ libass-0.17.1/libass/dwrite_c.h0000644060175106017510000011157114371314501013247 00000000000000/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ /** * Stripped version. Only definitions needed by libass. Contains fixes to * make it compile with C. Also needed on MSVC. */ #ifndef __INC_DWRITE__ #define __INC_DWRITE__ #define DWRITEAPI DECLSPEC_IMPORT #include typedef struct IDWriteFactory IDWriteFactory; typedef struct IDWriteFactory3 IDWriteFactory3; typedef struct IDWriteFont IDWriteFont; typedef struct IDWriteFontCollection IDWriteFontCollection; typedef struct IDWriteFontFace IDWriteFontFace; typedef struct IDWriteFontFace3 IDWriteFontFace3; typedef struct IDWriteFontFaceReference IDWriteFontFaceReference; typedef struct IDWriteFontFamily IDWriteFontFamily; typedef struct IDWriteFontList IDWriteFontList; typedef struct IDWriteFontFile IDWriteFontFile; typedef struct IDWriteFontFileLoader IDWriteFontFileLoader; typedef struct IDWriteFontFileStream IDWriteFontFileStream; typedef struct IDWriteFontSet IDWriteFontSet; typedef struct IDWriteInlineObject IDWriteInlineObject; typedef struct IDWriteLocalizedStrings IDWriteLocalizedStrings; typedef struct IDWritePixelSnapping IDWritePixelSnapping; typedef struct IDWriteTextFormat IDWriteTextFormat; typedef struct IDWriteTextLayout IDWriteTextLayout; typedef struct IDWriteTextRenderer IDWriteTextRenderer; typedef struct IDWriteGdiInterop IDWriteGdiInterop; #include typedef enum DWRITE_INFORMATIONAL_STRING_ID { DWRITE_INFORMATIONAL_STRING_NONE = 0, DWRITE_INFORMATIONAL_STRING_COPYRIGHT_NOTICE, DWRITE_INFORMATIONAL_STRING_VERSION_STRINGS, DWRITE_INFORMATIONAL_STRING_TRADEMARK, DWRITE_INFORMATIONAL_STRING_MANUFACTURER, DWRITE_INFORMATIONAL_STRING_DESIGNER, DWRITE_INFORMATIONAL_STRING_DESIGNER_URL, DWRITE_INFORMATIONAL_STRING_DESCRIPTION, DWRITE_INFORMATIONAL_STRING_FONT_VENDOR_URL, DWRITE_INFORMATIONAL_STRING_LICENSE_DESCRIPTION, DWRITE_INFORMATIONAL_STRING_LICENSE_INFO_URL, DWRITE_INFORMATIONAL_STRING_WIN32_FAMILY_NAMES, DWRITE_INFORMATIONAL_STRING_WIN32_SUBFAMILY_NAMES, DWRITE_INFORMATIONAL_STRING_PREFERRED_FAMILY_NAMES, DWRITE_INFORMATIONAL_STRING_PREFERRED_SUBFAMILY_NAMES, DWRITE_INFORMATIONAL_STRING_SAMPLE_TEXT, DWRITE_INFORMATIONAL_STRING_FULL_NAME, DWRITE_INFORMATIONAL_STRING_POSTSCRIPT_NAME, DWRITE_INFORMATIONAL_STRING_POSTSCRIPT_CID_NAME } DWRITE_INFORMATIONAL_STRING_ID; typedef enum DWRITE_FACTORY_TYPE { DWRITE_FACTORY_TYPE_SHARED = 0, DWRITE_FACTORY_TYPE_ISOLATED } DWRITE_FACTORY_TYPE; typedef enum DWRITE_FONT_FACE_TYPE { DWRITE_FONT_FACE_TYPE_CFF = 0, DWRITE_FONT_FACE_TYPE_TRUETYPE, DWRITE_FONT_FACE_TYPE_TRUETYPE_COLLECTION, DWRITE_FONT_FACE_TYPE_TYPE1, DWRITE_FONT_FACE_TYPE_VECTOR, DWRITE_FONT_FACE_TYPE_BITMAP, DWRITE_FONT_FACE_TYPE_UNKNOWN, DWRITE_FONT_FACE_TYPE_RAW_CFF } DWRITE_FONT_FACE_TYPE; typedef enum DWRITE_FONT_PROPERTY_ID { DWRITE_FONT_PROPERTY_ID_NONE = 0, DWRITE_FONT_PROPERTY_ID_WEIGHT_STRETCH_STYLE_FAMILY_NAME, DWRITE_FONT_PROPERTY_ID_TYPOGRAPHIC_FAMILY_NAME, DWRITE_FONT_PROPERTY_ID_WEIGHT_STRETCH_STYLE_FACE_NAME, DWRITE_FONT_PROPERTY_ID_FULL_NAME, DWRITE_FONT_PROPERTY_ID_WIN32_FAMILY_NAME, DWRITE_FONT_PROPERTY_ID_POSTSCRIPT_NAME, DWRITE_FONT_PROPERTY_ID_DESIGN_SCRIPT_LANGUAGE_TAG, DWRITE_FONT_PROPERTY_ID_SUPPORTED_SCRIPT_LANGUAGE_TAG, DWRITE_FONT_PROPERTY_ID_SEMANTIC_TAG, DWRITE_FONT_PROPERTY_ID_WEIGHT, DWRITE_FONT_PROPERTY_ID_STRETCH, DWRITE_FONT_PROPERTY_ID_STYLE, DWRITE_FONT_PROPERTY_ID_TYPOGRAPHIC_FACE_NAME, /* rest dropped */ } DWRITE_FONT_PROPERTY_ID; typedef enum DWRITE_FONT_SIMULATIONS { DWRITE_FONT_SIMULATIONS_NONE = 0x0000, DWRITE_FONT_SIMULATIONS_BOLD = 0x0001, DWRITE_FONT_SIMULATIONS_OBLIQUE = 0x0002 } DWRITE_FONT_SIMULATIONS; typedef enum DWRITE_FONT_STRETCH { DWRITE_FONT_STRETCH_UNDEFINED = 0, DWRITE_FONT_STRETCH_ULTRA_CONDENSED = 1, DWRITE_FONT_STRETCH_EXTRA_CONDENSED = 2, DWRITE_FONT_STRETCH_CONDENSED = 3, DWRITE_FONT_STRETCH_SEMI_CONDENSED = 4, DWRITE_FONT_STRETCH_NORMAL = 5, DWRITE_FONT_STRETCH_MEDIUM = 5, DWRITE_FONT_STRETCH_SEMI_EXPANDED = 6, DWRITE_FONT_STRETCH_EXPANDED = 7, DWRITE_FONT_STRETCH_EXTRA_EXPANDED = 8, DWRITE_FONT_STRETCH_ULTRA_EXPANDED = 9 } DWRITE_FONT_STRETCH; typedef enum DWRITE_FONT_STYLE { DWRITE_FONT_STYLE_NORMAL = 0, DWRITE_FONT_STYLE_OBLIQUE, DWRITE_FONT_STYLE_ITALIC } DWRITE_FONT_STYLE; typedef enum DWRITE_FONT_WEIGHT { DWRITE_FONT_WEIGHT_MEDIUM = 500, /* rest dropped */ } DWRITE_FONT_WEIGHT; typedef enum DWRITE_LOCALITY { DWRITE_LOCALITY_REMOTE = 0, DWRITE_LOCALITY_PARTIAL, DWRITE_LOCALITY_LOCAL } DWRITE_LOCALITY; typedef struct DWRITE_FONT_METRICS { UINT16 designUnitsPerEm; UINT16 ascent; UINT16 descent; INT16 lineGap; UINT16 capHeight; UINT16 xHeight; INT16 underlinePosition; UINT16 underlineThickness; INT16 strikethroughPosition; UINT16 strikethroughThickness; } DWRITE_FONT_METRICS; typedef struct DWRITE_FONT_PROPERTY { DWRITE_FONT_PROPERTY_ID propertyId; const WCHAR *propertyValue; const WCHAR *localeName; } DWRITE_FONT_PROPERTY; typedef struct DWRITE_GLYPH_OFFSET DWRITE_GLYPH_OFFSET; typedef struct DWRITE_GLYPH_RUN { IDWriteFontFace *fontFace; FLOAT fontEmSize; UINT32 glyphCount; const UINT16 *glyphIndices; const FLOAT *glyphAdvances; const DWRITE_GLYPH_OFFSET *glyphOffsets; BOOL isSideways; UINT32 bidiLevel; } DWRITE_GLYPH_RUN; typedef struct DWRITE_GLYPH_RUN_DESCRIPTION DWRITE_GLYPH_RUN_DESCRIPTION; typedef struct DWRITE_HIT_TEST_METRICS DWRITE_HIT_TEST_METRICS; typedef struct DWRITE_LINE_METRICS DWRITE_LINE_METRICS; typedef struct DWRITE_MATRIX DWRITE_MATRIX; typedef struct DWRITE_STRIKETHROUGH DWRITE_STRIKETHROUGH; typedef struct DWRITE_TEXT_METRICS DWRITE_TEXT_METRICS; typedef struct DWRITE_TEXT_RANGE { UINT32 startPosition; UINT32 length; } DWRITE_TEXT_RANGE; typedef struct DWRITE_TRIMMING DWRITE_TRIMMING; typedef struct DWRITE_UNDERLINE DWRITE_UNDERLINE; #ifndef __MINGW_DEF_ARG_VAL #ifdef __cplusplus #define __MINGW_DEF_ARG_VAL(x) = x #else #define __MINGW_DEF_ARG_VAL(x) #endif #endif #undef INTERFACE #define INTERFACE IDWriteFactory DECLARE_INTERFACE_(IDWriteFactory,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFactory methods */ STDMETHOD(GetSystemFontCollection)(THIS_ IDWriteFontCollection **fontCollection, BOOL checkForUpdates __MINGW_DEF_ARG_VAL(FALSE)) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(dummy6)(THIS); STDMETHOD(dummy7)(THIS); STDMETHOD(dummy8)(THIS); STDMETHOD(dummy9)(THIS); STDMETHOD(dummy10)(THIS); STDMETHOD(dummy11)(THIS); STDMETHOD(CreateTextFormat)(THIS_ WCHAR const *fontFamilyName, IDWriteFontCollection *fontCollection, DWRITE_FONT_WEIGHT fontWeight, DWRITE_FONT_STYLE fontStyle, DWRITE_FONT_STRETCH fontStretch, FLOAT fontSize, WCHAR const *localeName, IDWriteTextFormat **textFormat) PURE; STDMETHOD(dummy12)(THIS); STDMETHOD(GetGdiInterop)(THIS_ IDWriteGdiInterop **gdiInterop) PURE; STDMETHOD(CreateTextLayout)(THIS_ WCHAR const *string, UINT32 stringLength, IDWriteTextFormat *textFormat, FLOAT maxWidth, FLOAT maxHeight, IDWriteTextLayout **textLayout) PURE; /* remainder dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFactory_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFactory_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFactory_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFactory_GetSystemFontCollection(This,fontCollection,checkForUpdates) (This)->lpVtbl->GetSystemFontCollection(This,fontCollection,checkForUpdates) #define IDWriteFactory_CreateTextFormat(This,fontFamilyName,fontCollection,fontWeight,fontStyle,fontStretch,fontSize,localeName,textFormat) (This)->lpVtbl->CreateTextFormat(This,fontFamilyName,fontCollection,fontWeight,fontStyle,fontStretch,fontSize,localeName,textFormat) #define IDWriteFactory_CreateTextLayout(This,string,stringLength,textFormat,maxWidth,maxHeight,textLayout) (This)->lpVtbl->CreateTextLayout(This,string,stringLength,textFormat,maxWidth,maxHeight,textLayout) #define IDWriteFactory_GetGdiInterop(This,gdiInterop) (This)->lpVtbl->GetGdiInterop(This,gdiInterop) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFactory3 DECLARE_INTERFACE_(IDWriteFactory3,IDWriteFactory) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; /* IDWriteFactory methods */ STDMETHOD(GetSystemFontCollection)(THIS_ IDWriteFontCollection **fontCollection, BOOL checkForUpdates __MINGW_DEF_ARG_VAL(FALSE)) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(dummy6)(THIS); STDMETHOD(dummy7)(THIS); STDMETHOD(dummy8)(THIS); STDMETHOD(dummy9)(THIS); STDMETHOD(dummy10)(THIS); STDMETHOD(dummy11)(THIS); STDMETHOD(CreateTextFormat)(THIS_ WCHAR const *fontFamilyName, IDWriteFontCollection *fontCollection, DWRITE_FONT_WEIGHT fontWeight, DWRITE_FONT_STYLE fontStyle, DWRITE_FONT_STRETCH fontStretch, FLOAT fontSize, WCHAR const *localeName, IDWriteTextFormat **textFormat) PURE; STDMETHOD(dummy12)(THIS); STDMETHOD(GetGdiInterop)(THIS_ IDWriteGdiInterop **gdiInterop) PURE; STDMETHOD(CreateTextLayout)(THIS_ WCHAR const *string, UINT32 stringLength, IDWriteTextFormat *textFormat, FLOAT maxWidth, FLOAT maxHeight, IDWriteTextLayout **textLayout) PURE; #endif STDMETHOD(dummy13)(THIS); STDMETHOD(dummy14)(THIS); STDMETHOD(dummy15)(THIS); STDMETHOD(dummy16)(THIS); STDMETHOD(dummy17)(THIS); /* IDWriteFactory1 methods */ STDMETHOD(dummy18)(THIS); STDMETHOD(dummy19)(THIS); /* IDWriteFactory2 methods */ STDMETHOD(dummy20)(THIS); STDMETHOD(dummy21)(THIS); STDMETHOD(dummy22)(THIS); STDMETHOD(dummy23)(THIS); STDMETHOD(dummy24)(THIS); /* IDWriteFactory3 methods */ STDMETHOD(dummy25)(THIS); STDMETHOD(dummy26)(THIS); STDMETHOD(dummy27)(THIS); STDMETHOD(dummy28)(THIS); STDMETHOD(GetSystemFontSet)(THIS_ IDWriteFontSet **fontSet) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFactory3_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFactory3_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFactory3_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFactory3_GetSystemFontCollection(This,fontCollection,checkForUpdates) (This)->lpVtbl->GetSystemFontCollection(This,fontCollection,checkForUpdates) #define IDWriteFactory3_CreateTextFormat(This,fontFamilyName,fontCollection,fontWeight,fontStyle,fontStretch,fontSize,localeName,textFormat) (This)->lpVtbl->CreateTextFormat(This,fontFamilyName,fontCollection,fontWeight,fontStyle,fontStretch,fontSize,localeName,textFormat) #define IDWriteFactory3_CreateTextLayout(This,string,stringLength,textFormat,maxWidth,maxHeight,textLayout) (This)->lpVtbl->CreateTextLayout(This,string,stringLength,textFormat,maxWidth,maxHeight,textLayout) #define IDWriteFactory3_GetGdiInterop(This,gdiInterop) (This)->lpVtbl->GetGdiInterop(This,gdiInterop) #define IDWriteFactory3_GetSystemFontSet(This,fontSet) (This)->lpVtbl->GetSystemFontSet(This,fontSet) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFont DECLARE_INTERFACE_(IDWriteFont,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFont methods */ STDMETHOD(GetFontFamily)(THIS_ IDWriteFontFamily **fontFamily) PURE; STDMETHOD_(DWRITE_FONT_WEIGHT, GetWeight)(THIS) PURE; STDMETHOD_(DWRITE_FONT_STRETCH, GetStretch)(THIS) PURE; STDMETHOD_(DWRITE_FONT_STYLE, GetStyle)(THIS) PURE; STDMETHOD_(BOOL, IsSymbolFont)(THIS) PURE; STDMETHOD(GetFaceNames)(THIS_ IDWriteLocalizedStrings **names) PURE; STDMETHOD(GetInformationalStrings)(THIS_ DWRITE_INFORMATIONAL_STRING_ID informationalStringID, IDWriteLocalizedStrings **informationalStrings, BOOL *exists) PURE; STDMETHOD_(DWRITE_FONT_SIMULATIONS, GetSimulations)(THIS) PURE; STDMETHOD_(void, GetMetrics)(THIS_ DWRITE_FONT_METRICS *fontMetrics) PURE; STDMETHOD(HasCharacter)(THIS_ UINT32 unicodeValue, BOOL *exists) PURE; STDMETHOD(CreateFontFace)(THIS_ IDWriteFontFace **fontFace) PURE; END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFont_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFont_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFont_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFont_CreateFontFace(This,fontFace) (This)->lpVtbl->CreateFontFace(This,fontFace) #define IDWriteFont_GetFaceNames(This,names) (This)->lpVtbl->GetFaceNames(This,names) #define IDWriteFont_GetFontFamily(This,fontFamily) (This)->lpVtbl->GetFontFamily(This,fontFamily) #define IDWriteFont_GetInformationalStrings(This,informationalStringID,informationalStrings,exists) (This)->lpVtbl->GetInformationalStrings(This,informationalStringID,informationalStrings,exists) #define IDWriteFont_GetMetrics(This,fontMetrics) (This)->lpVtbl->GetMetrics(This,fontMetrics) #define IDWriteFont_GetSimulations(This) (This)->lpVtbl->GetSimulations(This) #define IDWriteFont_GetStretch(This) (This)->lpVtbl->GetStretch(This) #define IDWriteFont_GetStyle(This) (This)->lpVtbl->GetStyle(This) #define IDWriteFont_GetWeight(This) (This)->lpVtbl->GetWeight(This) #define IDWriteFont_HasCharacter(This,unicodeValue,exists) (This)->lpVtbl->HasCharacter(This,unicodeValue,exists) #define IDWriteFont_IsSymbolFont(This) (This)->lpVtbl->IsSymbolFont(This) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontCollection DECLARE_INTERFACE_(IDWriteFontCollection,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFontCollection methods */ STDMETHOD_(UINT32, GetFontFamilyCount)(THIS) PURE; STDMETHOD(GetFontFamily)(THIS_ UINT32 index, IDWriteFontFamily **fontFamily) PURE; STDMETHOD(FindFamilyName)(THIS_ WCHAR const *familyName, UINT32 *index, BOOL *exists) PURE; STDMETHOD(GetFontFromFontFace)(THIS_ IDWriteFontFace* fontFace, IDWriteFont **font) PURE; END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontCollection_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontCollection_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontCollection_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontCollection_FindFamilyName(This,familyName,index,exists) (This)->lpVtbl->FindFamilyName(This,familyName,index,exists) #define IDWriteFontCollection_GetFontFamily(This,index,fontFamily) (This)->lpVtbl->GetFontFamily(This,index,fontFamily) #define IDWriteFontCollection_GetFontFamilyCount(This) (This)->lpVtbl->GetFontFamilyCount(This) #define IDWriteFontCollection_GetFontFromFontFace(This,fontFace,font) (This)->lpVtbl->GetFontFromFontFace(This,fontFace,font) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFace DECLARE_INTERFACE_(IDWriteFontFace,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFontFace methods */ STDMETHOD_(DWRITE_FONT_FACE_TYPE, GetType)(THIS) PURE; STDMETHOD(GetFiles)(THIS_ UINT32 *numberOfFiles, IDWriteFontFile **fontFiles) PURE; STDMETHOD_(UINT32, GetIndex)(THIS) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(GetGlyphIndices)(THIS_ UINT32 const *codePoints, UINT32 codePointCount, UINT16 *glyphIndices) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFace_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontFace_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontFace_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFace_GetType(This) (This)->lpVtbl->GetType(This) #define IDWriteFontFace_GetFiles(This,numberOfFiles,fontFiles) (This)->lpVtbl->GetFiles(This,numberOfFiles,fontFiles) #define IDWriteFontFace_GetIndex(This) (This)->lpVtbl->GetIndex(This) #define IDWriteFontFace_GetGlyphIndices(This,codePoints,codePointCount,glyphIndices) (This)->lpVtbl->GetGlyphIndices(This,codePoints,codePointCount,glyphIndices) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFace3 DECLARE_INTERFACE_(IDWriteFontFace3,IDWriteFontFace) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; /* IDWriteFontFace methods */ STDMETHOD_(DWRITE_FONT_FACE_TYPE, GetType)(THIS) PURE; STDMETHOD(GetFiles)(THIS_ UINT32 *numberOfFiles, IDWriteFontFile **fontFiles) PURE; STDMETHOD_(UINT32, GetIndex)(THIS) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(GetGlyphIndices)(THIS_ UINT32 const *codePoints, UINT32 codePointCount, UINT16 *glyphIndices) PURE; STDMETHOD(dummy6)(THIS); STDMETHOD(dummy7)(THIS); STDMETHOD(dummy8)(THIS); STDMETHOD(dummy9)(THIS); STDMETHOD(dummy10)(THIS); STDMETHOD(dummy11)(THIS); #endif /* IDWriteFontFace1 methods */ STDMETHOD(dummy12)(THIS); STDMETHOD(dummy13)(THIS); STDMETHOD(dummy14)(THIS); STDMETHOD(dummy15)(THIS); STDMETHOD(dummy16)(THIS); STDMETHOD(dummy17)(THIS); STDMETHOD(dummy18)(THIS); STDMETHOD(dummy19)(THIS); STDMETHOD(dummy20)(THIS); STDMETHOD(dummy21)(THIS); STDMETHOD(dummy22)(THIS); STDMETHOD(dummy23)(THIS); /* IDWriteFontFace2 methods */ STDMETHOD(dummy24)(THIS); STDMETHOD(dummy25)(THIS); STDMETHOD(dummy26)(THIS); STDMETHOD(dummy27)(THIS); STDMETHOD(dummy28)(THIS); /* IDWriteFontFace3 methods */ STDMETHOD(dummy29)(THIS); STDMETHOD(dummy30)(THIS); STDMETHOD_(DWRITE_FONT_WEIGHT, GetWeight)(THIS) PURE; STDMETHOD_(DWRITE_FONT_STRETCH, GetStretch)(THIS) PURE; STDMETHOD_(DWRITE_FONT_STYLE, GetStyle)(THIS) PURE; STDMETHOD(GetFamilyNames)(THIS_ IDWriteLocalizedStrings **names) PURE; STDMETHOD(dummy31)(THIS); STDMETHOD(GetInformationalStrings)(THIS_ DWRITE_INFORMATIONAL_STRING_ID informationalStringID, IDWriteLocalizedStrings **informationalStrings, BOOL *exists) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFace3_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontFace3_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontFace3_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFace3_GetType(This) (This)->lpVtbl->GetType(This) #define IDWriteFontFace3_GetFiles(This,numberOfFiles,fontFiles) (This)->lpVtbl->GetFiles(This,numberOfFiles,fontFiles) #define IDWriteFontFace3_GetIndex(This) (This)->lpVtbl->GetIndex(This) #define IDWriteFontFace3_GetGlyphIndices(This,codePoints,codePointCount,glyphIndices) (This)->lpVtbl->GetGlyphIndices(This,codePoints,codePointCount,glyphIndices) #define IDWriteFontFace3_GetWeight(This) (This)->lpVtbl->GetWeight(This) #define IDWriteFontFace3_GetStretch(This) (This)->lpVtbl->GetStretch(This) #define IDWriteFontFace3_GetStyle(This) (This)->lpVtbl->GetStyle(This) #define IDWriteFontFace3_GetFamilyNames(This,names) (This)->lpVtbl->GetFamilyNames(This,names) #define IDWriteFontFace3_GetInformationalStrings(This,informationalStringID,informationalStrings,exists) (This)->lpVtbl->GetInformationalStrings(This,informationalStringID,informationalStrings,exists) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFaceReference DECLARE_INTERFACE_(IDWriteFontFaceReference,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif STDMETHOD(CreateFontFace)(THIS_ IDWriteFontFace3 **fontFace) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD_(DWRITE_FONT_SIMULATIONS, GetSimulations)(THIS) PURE; STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(dummy6)(THIS); STDMETHOD(dummy7)(THIS); STDMETHOD_(DWRITE_LOCALITY, GetLocality)(THIS) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFaceReference_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontFaceReference_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontFaceReference_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFaceReference_CreateFontFace(This,fontFace) (This)->lpVtbl->CreateFontFace(This,fontFace) #define IDWriteFontFaceReference_GetSimulations(This) (This)->lpVtbl->GetSimulations(This) #define IDWriteFontFaceReference_GetLocality(This) (This)->lpVtbl->GetLocality(This) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFamily DECLARE_INTERFACE_(IDWriteFontFamily,IDWriteFontList) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; /* IDWriteFontList methods */ STDMETHOD(GetFontCollection)(THIS_ IDWriteFontCollection** fontCollection) PURE; STDMETHOD_(UINT32, GetFontCount)(THIS) PURE; STDMETHOD(GetFont)(THIS_ UINT32 index, IDWriteFont **font) PURE; #endif /* IDWriteFontFamily methods */ STDMETHOD(GetFamilyNames)(THIS_ IDWriteLocalizedStrings **names) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFamily_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontFamily_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontFamily_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFamily_GetFont(This,index,font) (This)->lpVtbl->GetFont(This,index,font) #define IDWriteFontFamily_GetFontCount(This) (This)->lpVtbl->GetFontCount(This) #define IDWriteFontFamily_GetFamilyNames(This,names) (This)->lpVtbl->GetFamilyNames(This,names) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFile DECLARE_INTERFACE_(IDWriteFontFile,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFontFile methods */ STDMETHOD(GetReferenceKey)(THIS_ void const **fontFileReferenceKey, UINT32 *fontFileReferenceKeySize) PURE; STDMETHOD(GetLoader)(THIS_ IDWriteFontFileLoader **fontFileLoader) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFile_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFile_GetLoader(This,fontFileLoader) (This)->lpVtbl->GetLoader(This,fontFileLoader) #define IDWriteFontFile_GetReferenceKey(This,fontFileReferenceKey,fontFileReferenceKeySize) (This)->lpVtbl->GetReferenceKey(This,fontFileReferenceKey,fontFileReferenceKeySize) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFileLoader DECLARE_INTERFACE_(IDWriteFontFileLoader,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFontFileLoader methods */ STDMETHOD(CreateStreamFromKey)(THIS_ void const *fontFileReferenceKey, UINT32 fontFileReferenceKeySize, IDWriteFontFileStream **fontFileStream) PURE; END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFileLoader_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontFileLoader_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontFileLoader_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFileLoader_CreateStreamFromKey(This,fontFileReferenceKey,fontFileReferenceKeySize,fontFileStream) (This)->lpVtbl->CreateStreamFromKey(This,fontFileReferenceKey,fontFileReferenceKeySize,fontFileStream) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontFileStream DECLARE_INTERFACE_(IDWriteFontFileStream,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFontFileStream methods */ STDMETHOD(ReadFileFragment)(THIS_ void const **fragmentStart, UINT64 fileOffset, UINT64 fragmentSize, void** fragmentContext) PURE; STDMETHOD_(void, ReleaseFileFragment)(THIS_ void *fragmentContext) PURE; STDMETHOD(GetFileSize)(THIS_ UINT64 *fileSize) PURE; STDMETHOD(GetLastWriteTime)(THIS_ UINT64 *lastWriteTime) PURE; END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontFileStream_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontFileStream_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontFileStream_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontFileStream_GetFileSize(This,fileSize) (This)->lpVtbl->GetFileSize(This,fileSize) #define IDWriteFontFileStream_ReadFileFragment(This,fragmentStart,fileOffset,fragmentSize,fragmentContext) (This)->lpVtbl->ReadFileFragment(This,fragmentStart,fileOffset,fragmentSize,fragmentContext) #define IDWriteFontFileStream_ReleaseFileFragment(This,fragmentContext) (This)->lpVtbl->ReleaseFileFragment(This,fragmentContext) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteFontSet DECLARE_INTERFACE_(IDWriteFontSet,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteFontSet methods */ STDMETHOD_(UINT32, GetFontCount)(THIS) PURE; STDMETHOD(GetFontFaceReference)(THIS_ UINT32 listIndex, IDWriteFontFaceReference **fontFaceReference) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(dummy6)(THIS); STDMETHOD(dummy7)(THIS); STDMETHOD(GetMatchingFonts)(THIS_ DWRITE_FONT_PROPERTY const *properties, UINT32 propertyCount, IDWriteFontSet **filteredSet) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteFontSet_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteFontSet_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteFontSet_Release(This) (This)->lpVtbl->Release(This) #define IDWriteFontSet_GetFontCount(This) (This)->lpVtbl->GetFontCount(This) #define IDWriteFontSet_GetFontFaceReference(This,listIndex,fontFaceReference) (This)->lpVtbl->GetFontFaceReference(This,listIndex,fontFaceReference) #define IDWriteFontSet_GetMatchingFonts(This,properties,propertyCount,filteredSet) (This)->lpVtbl->GetMatchingFonts(This,properties,propertyCount,filteredSet) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteLocalizedStrings DECLARE_INTERFACE_(IDWriteLocalizedStrings,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteLocalizedStrings methods */ STDMETHOD_(UINT32, GetCount)(THIS) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(GetStringLength)(THIS_ UINT32 index, UINT32 *length) PURE; STDMETHOD(GetString)(THIS_ UINT32 index, WCHAR *stringBuffer, UINT32 size) PURE; END_INTERFACE }; #ifdef COBJMACROS #define IDWriteLocalizedStrings_Release(This) (This)->lpVtbl->Release(This) #define IDWriteLocalizedStrings_GetCount(This) (This)->lpVtbl->GetCount(This) #define IDWriteLocalizedStrings_GetStringLength(This,index,length) (This)->lpVtbl->GetStringLength(This,index,length) #define IDWriteLocalizedStrings_GetString(This,index,stringBuffer,size) (This)->lpVtbl->GetString(This,index,stringBuffer,size) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteTextFormat DECLARE_INTERFACE_(IDWriteTextFormat,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif /* IDWriteTextFormat methods */ /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteTextFormat_Release(This) (This)->lpVtbl->Release(This) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteTextLayout DECLARE_INTERFACE_(IDWriteTextLayout,IDWriteTextFormat) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; /* IDWriteTextFormat methods */ STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(dummy3)(THIS); STDMETHOD(dummy4)(THIS); STDMETHOD(dummy5)(THIS); STDMETHOD(dummy6)(THIS); STDMETHOD(dummy7)(THIS); STDMETHOD(dummy8)(THIS); STDMETHOD(dummy9)(THIS); STDMETHOD(dummy10)(THIS); STDMETHOD(dummy11)(THIS); STDMETHOD(dummy12)(THIS); STDMETHOD(dummy13)(THIS); STDMETHOD(dummy14)(THIS); STDMETHOD(dummy15)(THIS); STDMETHOD(dummy16)(THIS); STDMETHOD(dummy17)(THIS); STDMETHOD(dummy18)(THIS); STDMETHOD(dummy19)(THIS); STDMETHOD(dummy20)(THIS); STDMETHOD(dummy21)(THIS); STDMETHOD(dummy22)(THIS); STDMETHOD(dummy23)(THIS); STDMETHOD(dummy24)(THIS); STDMETHOD(dummy25)(THIS); #endif /* IDWriteTextLayout methods */ STDMETHOD(dummy26)(THIS); STDMETHOD(dummy27)(THIS); STDMETHOD(dummy28)(THIS); STDMETHOD(dummy29)(THIS); STDMETHOD(dummy30)(THIS); STDMETHOD(dummy31)(THIS); STDMETHOD(dummy32)(THIS); STDMETHOD(dummy33)(THIS); STDMETHOD(dummy34)(THIS); STDMETHOD(dummy35)(THIS); STDMETHOD(dummy36)(THIS); STDMETHOD(dummy37)(THIS); STDMETHOD(dummy38)(THIS); STDMETHOD(dummy39)(THIS); STDMETHOD(dummy40)(THIS); STDMETHOD(dummy41)(THIS); STDMETHOD(dummy42)(THIS); STDMETHOD(dummy43)(THIS); STDMETHOD(dummy44)(THIS); STDMETHOD(dummy45)(THIS); STDMETHOD(dummy46)(THIS); STDMETHOD(dummy47)(THIS); STDMETHOD(dummy48)(THIS); STDMETHOD(dummy49)(THIS); STDMETHOD(dummy50)(THIS); STDMETHOD(dummy51)(THIS); STDMETHOD(dummy52)(THIS); STDMETHOD(dummy53)(THIS); STDMETHOD(dummy54)(THIS); STDMETHOD(dummy55)(THIS); STDMETHOD(Draw)(THIS_ void *clientDrawingContext, IDWriteTextRenderer *renderer, FLOAT originX, FLOAT originY) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteTextLayout_Release(This) (This)->lpVtbl->Release(This) #define IDWriteTextLayout_Draw(This,clientDrawingContext,renderer,originX,originY) (This)->lpVtbl->Draw(This,clientDrawingContext,renderer,originX,originY) #endif /*COBJMACROS*/ #undef INTERFACE #define INTERFACE IDWriteTextRenderer DECLARE_INTERFACE_(IDWriteTextRenderer,IDWritePixelSnapping) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; /* IDWritePixelSnapping methods */ STDMETHOD(IsPixelSnappingDisabled)(THIS_ void *clientDrawingContext, BOOL *isDisabled) PURE; STDMETHOD(GetCurrentTransform)(THIS_ void *clientDrawingContext, DWRITE_MATRIX *transform) PURE; STDMETHOD(GetPixelsPerDip)(THIS_ void *clientDrawingContext, FLOAT *pixelsPerDip) PURE; #endif /* IDWriteTextRenderer methods */ STDMETHOD(DrawGlyphRun)(THIS_ void *clientDrawingContext, FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_MEASURING_MODE measuringMode, DWRITE_GLYPH_RUN const *glyphRun, DWRITE_GLYPH_RUN_DESCRIPTION const *glyphRunDescription, IUnknown* clientDrawingEffect) PURE; STDMETHOD(DrawUnderline)(THIS_ void *clientDrawingContext, FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_UNDERLINE const *underline, IUnknown *clientDrawingEffect) PURE; STDMETHOD(DrawStrikethrough)(THIS_ void *clientDrawingContext, FLOAT baselineOriginX, FLOAT baselineOriginY, DWRITE_STRIKETHROUGH const *strikethrough, IUnknown* clientDrawingEffect) PURE; STDMETHOD(DrawInlineObject)(THIS_ void *clientDrawingContext, FLOAT originX, FLOAT originY, IDWriteInlineObject *inlineObject, BOOL isSideways, BOOL isRightToLeft, IUnknown *clientDrawingEffect) PURE; END_INTERFACE }; #undef INTERFACE #define INTERFACE IDWriteGdiInterop DECLARE_INTERFACE_(IDWriteGdiInterop,IUnknown) { BEGIN_INTERFACE #ifndef __cplusplus /* IUnknown methods */ STDMETHOD(QueryInterface)(THIS_ REFIID riid, void **ppvObject) PURE; STDMETHOD_(ULONG, AddRef)(THIS) PURE; STDMETHOD_(ULONG, Release)(THIS) PURE; #endif STDMETHOD(CreateFontFromLOGFONT)(THIS_ LOGFONTW const *logFont, IDWriteFont **font) PURE; STDMETHOD(dummy1)(THIS); STDMETHOD(dummy2)(THIS); STDMETHOD(CreateFontFaceFromHdc)(THIS_ HDC hdc, IDWriteFontFace **fontFace) PURE; /* rest dropped */ END_INTERFACE }; #ifdef COBJMACROS #define IDWriteGdiInterop_QueryInterface(This,riid,ppvObject) (This)->lpVtbl->QueryInterface(This,riid,ppvObject) #define IDWriteGdiInterop_AddRef(This) (This)->lpVtbl->AddRef(This) #define IDWriteGdiInterop_Release(This) (This)->lpVtbl->Release(This) #define IDWriteGdiInterop_CreateFontFromLOGFONT(This,logFont,font) (This)->lpVtbl->CreateFontFromLOGFONT(This,logFont,font) #define IDWriteGdiInterop_CreateFontFaceFromHdc(This,hdc,fontFace) (This)->lpVtbl->CreateFontFaceFromHdc(This,hdc,fontFace) #endif /*COBJMACROS*/ DEFINE_GUID(IID_IDWriteFactory, 0xb859ee5a,0xd838,0x4b5b,0xa2,0xe8,0x1a,0xdc,0x7d,0x93,0xdb,0x48); DEFINE_GUID(IID_IDWriteFactory3, 0x9a1b41c3,0xd3bb,0x466a,0x87,0xfc,0xfe,0x67,0x55,0x6a,0x3b,0x65); DEFINE_GUID(IID_IDWriteFontFace3, 0xd37d7598,0x09be,0x4222,0xa2,0x36,0x20,0x81,0x34,0x1c,0xc1,0xf2); DEFINE_GUID(IID_IDWritePixelSnapping, 0xeaf3a2da,0xecf4,0x4d24,0xb6,0x44,0xb3,0x4f,0x68,0x42,0x02,0x4b); DEFINE_GUID(IID_IDWriteTextRenderer, 0xef8a8135,0x5cc6,0x45fe,0x88,0x25,0xc5,0xa0,0x72,0x4e,0xb8,0x19); #endif /* __INC_DWRITE__ */ libass-0.17.1/libass/libass.sym0000644060175106017510000000156714334754552013325 00000000000000ass_library_init ass_library_done ass_library_version ass_set_fonts_dir ass_set_extract_fonts ass_set_style_overrides ass_renderer_init ass_renderer_done ass_set_frame_size ass_set_storage_size ass_set_margins ass_set_use_margins ass_set_aspect_ratio ass_set_font_scale ass_set_hinting ass_set_line_spacing ass_get_available_font_providers ass_set_fonts ass_render_frame ass_new_track ass_free_track ass_alloc_style ass_alloc_event ass_free_style ass_free_event ass_process_data ass_process_codec_private ass_process_chunk ass_read_file ass_read_memory ass_read_styles ass_add_font ass_clear_fonts ass_step_sub ass_process_force_style ass_set_message_cb ass_fonts_update ass_set_cache_limits ass_flush_events ass_set_shaper ass_set_line_position ass_set_pixel_aspect ass_set_selective_style_override_enabled ass_set_selective_style_override ass_set_check_readorder ass_track_set_feature libass-0.17.1/libass/Makefile_library.am0000644060175106017510000000475514376664500015077 00000000000000LIBASS_LT_CURRENT = 11 LIBASS_LT_REVISION = 1 LIBASS_LT_AGE = 2 nasm_verbose = $(nasm_verbose_$(V)) nasm_verbose_ = $(nasm_verbose_$(AM_DEFAULT_VERBOSITY)) nasm_verbose_0 = @echo " NASM " $@; .asm.lo: $(nasm_verbose)$(LIBTOOL) $(AM_V_lt) --tag=CC --mode=compile $(top_srcdir)/ltnasm.sh $(AS) $(ASFLAGS) -I$(top_srcdir)/libass/ -Dprivate_prefix=ass -o $@ $< SRC_X86 = libass/x86/rasterizer.asm libass/x86/blend_bitmaps.asm libass/x86/be_blur.asm \ libass/x86/blur.asm libass/x86/cpuid.asm libass/x86/cpuid.h SRC_FONTCONFIG = libass/ass_fontconfig.c libass/ass_fontconfig.h SRC_DIRECTWRITE = libass/ass_directwrite.c libass/ass_directwrite.h \ libass/ass_directwrite_info_template.h libass/dwrite_c.h SRC_CORETEXT = libass/ass_coretext.c libass/ass_coretext.h lib_LTLIBRARIES += libass/libass.la libass_libass_la_SOURCES = \ libass/ass.h libass/ass.c libass/ass_bitmap.c libass/ass_bitmap.h \ libass/ass_blur.c libass/ass_cache.c libass/ass_cache.h \ libass/ass_cache_template.h libass/ass_compat.h libass/ass_drawing.c \ libass/ass_drawing.h libass/ass_filesystem.c libass/ass_filesystem.h \ libass/ass_font.c libass/ass_font.h libass/ass_fontselect.c \ libass/ass_fontselect.h libass/ass_func_template.h \ libass/ass_library.c libass/ass_library.h libass/ass_outline.c \ libass/ass_outline.h libass/ass_parse.c libass/ass_parse.h \ libass/ass_priv.h libass/ass_rasterizer.c libass/ass_rasterizer_c.c \ libass/ass_rasterizer.h libass/ass_render_api.c libass/ass_render.c \ libass/ass_render.h libass/ass_shaper.c libass/ass_shaper.h \ libass/ass_string.c libass/ass_string.h libass/ass_strtod.c \ libass/ass_types.h libass/ass_utils.c libass/ass_utils.h \ libass/wyhash.h libass_libass_la_LDFLAGS = -no-undefined -version-info $(LIBASS_LT_CURRENT):$(LIBASS_LT_REVISION):$(LIBASS_LT_AGE) libass_libass_la_LDFLAGS += -export-symbols $(top_srcdir)/libass/libass.sym if FONTCONFIG libass_libass_la_SOURCES += $(SRC_FONTCONFIG) endif if DIRECTWRITE libass_libass_la_SOURCES += $(SRC_DIRECTWRITE) endif if CORETEXT libass_libass_la_SOURCES += $(SRC_CORETEXT) endif if ASM if X86 libass_libass_la_SOURCES += $(SRC_X86) endif endif assheadersdir = $(includedir)/ass dist_assheaders_HEADERS = libass/ass.h libass/ass_types.h EXTRA_DIST += libass/libass.sym libass/x86/x86inc.asm libass/x86/utils.asm libass-0.17.1/libass/wyhash.h0000644060175106017510000002710414371314501012750 00000000000000// This is free and unencumbered software released into the public domain under The Unlicense (http://unlicense.org/) // main repo: https://github.com/wangyi-fudan/wyhash // author: 王一 Wang Yi // contributors: Reini Urban, Dietrich Epp, Joshua Haberman, Tommy Ettinger, Daniel Lemire, Otmar Ertl, cocowalla, leo-yuriev, Diego Barrios Romero, paulie-g, dumblob, Yann Collet, ivte-ms, hyb, James Z.M. Gao, easyaspi314 (Devin), TheOneric /* quick example: string s="fjsakfdsjkf"; uint64_t hash=wyhash(s.c_str(), s.size(), 0, _wyp); */ #ifndef wyhash_final_version_3 #define wyhash_final_version_3 #ifndef WYHASH_CONDOM //protections that produce different results: //1: normal valid behavior //2: extra protection against entropy loss (probability=2^-63), aka. "blind multiplication" #define WYHASH_CONDOM 1 #endif #ifndef WYHASH_32BIT_MUM //0: normal version, slow on 32 bit systems //1: faster on 32 bit systems but produces different results, incompatible with wy2u0k function #define WYHASH_32BIT_MUM 0 #endif //includes #include #include #if defined(_MSC_VER) && defined(_M_X64) #include #pragma intrinsic(_umul128) #endif //likely and unlikely macros #if defined(__GNUC__) || defined(__INTEL_COMPILER) || defined(__clang__) #define _likely_(x) __builtin_expect(x,1) #define _unlikely_(x) __builtin_expect(x,0) #else #define _likely_(x) (x) #define _unlikely_(x) (x) #endif //128bit multiply function static inline uint64_t _wyrot(uint64_t x) { return (x>>32)|(x<<32); } static inline void _wymum(uint64_t *A, uint64_t *B){ #if(WYHASH_32BIT_MUM) uint64_t hh=(*A>>32)*(*B>>32), hl=(*A>>32)*(uint32_t)*B, lh=(uint32_t)*A*(*B>>32), ll=(uint64_t)(uint32_t)*A*(uint32_t)*B; #if(WYHASH_CONDOM>1) *A^=_wyrot(hl)^hh; *B^=_wyrot(lh)^ll; #else *A=_wyrot(hl)^hh; *B=_wyrot(lh)^ll; #endif #elif defined(__SIZEOF_INT128__) __uint128_t r=*A; r*=*B; #if(WYHASH_CONDOM>1) *A^=(uint64_t)r; *B^=(uint64_t)(r>>64); #else *A=(uint64_t)r; *B=(uint64_t)(r>>64); #endif #elif defined(_MSC_VER) && defined(_M_X64) #if(WYHASH_CONDOM>1) uint64_t a, b; a=_umul128(*A,*B,&b); *A^=a; *B^=b; #else *A=_umul128(*A,*B,B); #endif #else uint64_t ha=*A>>32, hb=*B>>32, la=(uint32_t)*A, lb=(uint32_t)*B, hi, lo; uint64_t rh=ha*hb, rm0=ha*lb, rm1=hb*la, rl=la*lb, t=rl+(rm0<<32), c=t>32)+(rm1>>32)+c; #if(WYHASH_CONDOM>1) *A^=lo; *B^=hi; #else *A=lo; *B=hi; #endif #endif } //multiply and xor mix function, aka MUM static inline uint64_t _wymix(uint64_t A, uint64_t B){ _wymum(&A,&B); return A^B; } //endian macros #ifndef WYHASH_LITTLE_ENDIAN #if defined(_WIN32) || defined(__LITTLE_ENDIAN__) || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) #define WYHASH_LITTLE_ENDIAN 1 #elif defined(__BIG_ENDIAN__) || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) #define WYHASH_LITTLE_ENDIAN 0 #else #warning could not determine endianness! Falling back to little endian. #define WYHASH_LITTLE_ENDIAN 1 #endif #endif //read functions #if (WYHASH_LITTLE_ENDIAN) static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return v;} static inline uint64_t _wyr4(const uint8_t *p) { uint32_t v; memcpy(&v, p, 4); return v;} #elif defined(__GNUC__) || defined(__INTEL_COMPILER) || defined(__clang__) static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return __builtin_bswap64(v);} static inline uint64_t _wyr4(const uint8_t *p) { uint32_t v; memcpy(&v, p, 4); return __builtin_bswap32(v);} #elif defined(_MSC_VER) static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return _byteswap_uint64(v);} static inline uint64_t _wyr4(const uint8_t *p) { uint32_t v; memcpy(&v, p, 4); return _byteswap_ulong(v);} #else static inline uint64_t _wyr8(const uint8_t *p) { uint64_t v; memcpy(&v, p, 8); return (((v >> 56) & 0xff)| ((v >> 40) & 0xff00)| ((v >> 24) & 0xff0000)| ((v >> 8) & 0xff000000)| ((v << 8) & 0xff00000000)| ((v << 24) & 0xff0000000000)| ((v << 40) & 0xff000000000000)| ((v << 56) & 0xff00000000000000)); } static inline uint64_t _wyr4(const uint8_t *p) { uint32_t v; memcpy(&v, p, 4); return (((v >> 24) & 0xff)| ((v >> 8) & 0xff00)| ((v << 8) & 0xff0000)| ((v << 24) & 0xff000000)); } #endif static inline uint64_t _wyr3(const uint8_t *p, size_t k) { return (((uint64_t)p[0])<<16)|(((uint64_t)p[k>>1])<<8)|p[k-1];} //wyhash main function static inline uint64_t wyhash(const void *key, size_t len, uint64_t seed, const uint64_t *secret){ const uint8_t *p=(const uint8_t *)key; seed^=*secret; uint64_t a, b; if(_likely_(len<=16)){ if(_likely_(len>=4)){ a=(_wyr4(p)<<32)|_wyr4(p+((len>>3)<<2)); b=(_wyr4(p+len-4)<<32)|_wyr4(p+len-4-((len>>3)<<2)); } else if(_likely_(len>0)){ a=_wyr3(p,len); b=0;} else a=b=0; } else{ size_t i=len; if(_unlikely_(i>48)){ uint64_t see1=seed, see2=seed; do{ seed=_wymix(_wyr8(p)^secret[1],_wyr8(p+8)^seed); see1=_wymix(_wyr8(p+16)^secret[2],_wyr8(p+24)^see1); see2=_wymix(_wyr8(p+32)^secret[3],_wyr8(p+40)^see2); p+=48; i-=48; }while(_likely_(i>48)); seed^=see1^see2; } while(_unlikely_(i>16)){ seed=_wymix(_wyr8(p)^secret[1],_wyr8(p+8)^seed); i-=16; p+=16; } a=_wyr8(p+i-16); b=_wyr8(p+i-8); } return _wymix(secret[1]^len,_wymix(a^secret[1],b^seed)); } //the default secret parameters static const uint64_t _wyp[4] = {0xa0761d6478bd642full, 0xe7037ed1a0b428dbull, 0x8ebc6af09c88c6e3ull, 0x589965cc75374cc3ull}; //a useful 64bit-64bit mix function to produce deterministic pseudo random numbers that can pass BigCrush and PractRand static inline uint64_t wyhash64(uint64_t A, uint64_t B){ A^=0xa0761d6478bd642full; B^=0xe7037ed1a0b428dbull; _wymum(&A,&B); return _wymix(A^0xa0761d6478bd642full,B^0xe7037ed1a0b428dbull);} //The wyrand PRNG that pass BigCrush and PractRand static inline uint64_t wyrand(uint64_t *seed){ *seed+=0xa0761d6478bd642full; return _wymix(*seed,*seed^0xe7037ed1a0b428dbull);} //convert any 64 bit pseudo random numbers to uniform distribution [0,1). It can be combined with wyrand, wyhash64 or wyhash. static inline double wy2u01(uint64_t r){ const double _wynorm=1.0/(1ull<<52); return (r>>12)*_wynorm;} //convert any 64 bit pseudo random numbers to APPROXIMATE Gaussian distribution. It can be combined with wyrand, wyhash64 or wyhash. static inline double wy2gau(uint64_t r){ const double _wynorm=1.0/(1ull<<20); return ((r&0x1fffff)+((r>>21)&0x1fffff)+((r>>42)&0x1fffff))*_wynorm-3.0;} #if(!WYHASH_32BIT_MUM) //fast range integer random number generation on [0,k) credit to Daniel Lemire. May not work when WYHASH_32BIT_MUM=1. It can be combined with wyrand, wyhash64 or wyhash. static inline uint64_t wy2u0k(uint64_t r, uint64_t k){ _wymum(&r,&k); return k; } #endif //make your own secret static inline void make_secret(uint64_t seed, uint64_t *secret){ uint8_t c[] = {15, 23, 27, 29, 30, 39, 43, 45, 46, 51, 53, 54, 57, 58, 60, 71, 75, 77, 78, 83, 85, 86, 89, 90, 92, 99, 101, 102, 105, 106, 108, 113, 114, 116, 120, 135, 139, 141, 142, 147, 149, 150, 153, 154, 156, 163, 165, 166, 169, 170, 172, 177, 178, 180, 184, 195, 197, 198, 201, 202, 204, 209, 210, 212, 216, 225, 226, 228, 232, 240 }; for(size_t i=0;i<4;i++){ uint8_t ok; do{ ok=1; secret[i]=0; for(size_t j=0;j<64;j+=8) secret[i]|=((uint64_t)c[wyrand(&seed)%sizeof(c)])<> 1) & 0x5555555555555555; x = (x & 0x3333333333333333) + ((x >> 2) & 0x3333333333333333); x = (x + (x >> 4)) & 0x0f0f0f0f0f0f0f0f; x = (x * 0x0101010101010101) >> 56; if(x!=32){ ok=0; break; } #endif } }while(!ok); } } /* This is world's fastest hash map: 2x faster than bytell_hash_map. It does not store the keys, but only the hash/signature of keys. First we use pos=hash1(key) to approximately locate the bucket. Then we search signature=hash2(key) from pos linearly. If we find a bucket with matched signature we report the bucket Or if we meet a bucket whose signature=0, we report a new position to insert The signature collision probability is very low as we usually searched N~10 buckets. By combining hash1 and hash2, we acturally have 128 bit anti-collision strength. hash1 and hash2 can be the same function, resulting lower collision resistance but faster. The signature is 64 bit, but can be modified to 32 bit if necessary for save space. The above two can be activated by define WYHASHMAP_WEAK_SMALL_FAST simple examples: const size_t size=213432; vector idx(size); // allocate the index of fixed size. idx MUST be zeroed. vector value(size); // we only care about the index, user should maintain his own value vectors. string key="dhskfhdsj" // the object to be inserted into idx size_t pos=wyhashmap(idx.data(), idx.size(), key.c_str(), key.size(), 1); // get the position and insert if(pos */ libass-0.17.1/libass/x86/0000755060175106017510000000000014376701522012005 500000000000000libass-0.17.1/libass/x86/be_blur.asm0000644060175106017510000001222514376664500014047 00000000000000;****************************************************************************** ;* be_blur.asm: SSE2 \be blur ;****************************************************************************** ;* Copyright (C) 2013 rcombs ;* ;* This file is part of libass. ;* ;* Permission to use, copy, modify, and distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;****************************************************************************** %include "x86/utils.asm" SECTION .text ;------------------------------------------------------------------------------ ; BE_BLUR ; void be_blur(uint8_t *buf, intptr_t stride, ; intptr_t width, intptr_t height, uint16_t *tmp); ;------------------------------------------------------------------------------ %macro BE_BLUR 0 cglobal be_blur, 5,7,8 lea r0, [r0 + r2] lea r4, [r4 + 4 * r2] mov r6, r0 neg r2 mov r5, r2 imul r3, r1 add r3, r0 pxor m6, m6 mova m3, [r0 + r5] %if mmsize == 32 vpermq m3, m3, q3120 %endif punpcklbw m4, m3, m6 %if mmsize == 32 vperm2i128 m0, m6, m4, 0x21 vpalignr m5,m4,m0, 14 %else pslldq m5, m4, 2 %endif paddw m5, m4 punpckhbw m0, m3, m6 jmp .first_loop_entry .first_width_loop: mova m3, [r0 + r5] %if mmsize == 32 vpermq m3, m3, q3120 %endif punpcklbw m4, m3, m6 %if mmsize == 32 vperm2i128 m0, m0, m4, 0x21 %endif PALIGNR m5,m4,m0, m0, 14 paddw m5, m4 punpckhbw m0, m3, m6 %if mmsize == 32 vperm2i128 m7, m5, m1, 0x03 vpalignr m3, m7, m1, 2 %else PALIGNR m3,m5,m1, m7, 2 %endif paddw m3, m1 mova [r4 + 4 * r5 - 2 * mmsize], m3 mova [r4 + 4 * r5 - mmsize], m3 .first_loop_entry: %if mmsize == 32 vperm2i128 m4, m4, m0, 0x21 %endif PALIGNR m1,m0,m4, m4, 14 paddw m1, m0 %if mmsize == 32 vperm2i128 m7, m1, m5, 0x03 vpalignr m3, m7, m5, 2 %else PALIGNR m3,m1,m5, m7, 2 %endif paddw m3, m5 mova [r4 + 4 * r5], m3 mova [r4 + 4 * r5 + mmsize], m3 add r5, mmsize jnc .first_width_loop psrldq m0, 14 %if mmsize == 32 vperm2i128 m7, m0, m1, 0x13 vpalignr m3, m7, m1, 2 %else PALIGNR m3,m0,m1, m7, 2 %endif paddw m3, m1 mova [r4 + 4 * r5 - 2 * mmsize], m3 mova [r4 + 4 * r5 - mmsize], m3 add r0, r1 cmp r0, r3 jge .last_row .height_loop: mov r5, r2 mova m3, [r0 + r5] %if mmsize == 32 vpermq m3, m3, q3120 %endif punpcklbw m4, m3, m6 %if mmsize == 32 vperm2i128 m0, m6, m4, 0x21 vpalignr m5,m4,m0, 14 %else pslldq m5, m4, 2 %endif paddw m5, m4 punpckhbw m0, m3, m6 jmp .loop_entry .width_loop: mova m3, [r0 + r5] %if mmsize == 32 vpermq m3, m3, q3120 %endif punpcklbw m4, m3, m6 %if mmsize == 32 vperm2i128 m0, m0, m4, 0x21 %endif PALIGNR m5,m4,m0, m0, 14 paddw m5, m4 punpckhbw m0, m3, m6 %if mmsize == 32 vperm2i128 m7, m5, m1, 0x03 vpalignr m3, m7, m1, 2 %else PALIGNR m3,m5,m1, m7, 2 %endif paddw m3, m1 paddw m1, m3, [r4 + 4 * r5 - 2 * mmsize] mova [r4 + 4 * r5 - 2 * mmsize], m3 paddw m3, m1, [r4 + 4 * r5 - mmsize] mova [r4 + 4 * r5 - mmsize], m1 psrlw m3, 4 packuswb m2, m3 %if mmsize == 32 vpermq m2, m2, q3120 %endif mova [r6 + r5 - mmsize], m2 .loop_entry: %if mmsize == 32 vperm2i128 m4, m4, m0, 0x21 %endif PALIGNR m1,m0,m4, m4, 14 paddw m1, m0 %if mmsize == 32 vperm2i128 m7, m1, m5, 0x03 vpalignr m3, m7, m5, 2 %else PALIGNR m3,m1,m5, m7, 2 %endif paddw m3, m5 paddw m4, m3, [r4 + 4 * r5] mova [r4 + 4 * r5], m3 paddw m2, m4, [r4 + 4 * r5 + mmsize] mova [r4 + 4 * r5 + mmsize], m4 psrlw m2, 4 add r5, mmsize jnc .width_loop psrldq m0, 14 %if mmsize == 32 vperm2i128 m7, m0, m1, 0x13 vpalignr m3, m7, m1, 2 %else PALIGNR m3,m0,m1, m7, 2 %endif paddw m3, m1 paddw m1, m3, [r4 + 4 * r5 - 2 * mmsize] mova [r4 + 4 * r5 - 2 * mmsize], m3 paddw m3, m1, [r4 + 4 * r5 - mmsize] mova [r4 + 4 * r5 - mmsize], m1 psrlw m3, 4 packuswb m2, m3 %if mmsize == 32 vpermq m2, m2, q3120 %endif mova [r6 + r5 - mmsize], m2 add r0, r1 add r6, r1 cmp r0, r3 jl .height_loop .last_row: mov r5, r2 .last_width_loop: mova m2, [r4 + 4 * r5] paddw m2, [r4 + 4 * r5 + mmsize] psrlw m2, 4 mova m3, [r4 + 4 * r5 + 2 * mmsize] paddw m3, [r4 + 4 * r5 + 3 * mmsize] psrlw m3, 4 packuswb m2, m3 %if mmsize == 32 vpermq m2, m2, q3120 %endif mova [r6 + r5], m2 add r5, mmsize jnc .last_width_loop RET %endmacro INIT_XMM sse2 BE_BLUR INIT_YMM avx2 BE_BLUR libass-0.17.1/libass/x86/blend_bitmaps.asm0000644060175106017510000001453214376664500015243 00000000000000;****************************************************************************** ;* blend_bitmaps.asm: SSE2 and AVX2 bitmap blending ;****************************************************************************** ;* Copyright (C) 2013 rcombs ;* ;* This file is part of libass. ;* ;* Permission to use, copy, modify, and distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;****************************************************************************** %include "x86/utils.asm" SECTION_RODATA 32 %if ARCH_X86_64 || !PIC times 32 db 0xFF edge_mask: times 32 db 0x00 words_255: times 16 dw 0xFF %endif SECTION .text ;------------------------------------------------------------------------------ ; LOAD_EDGE_MASK 1:m_dst, 2:n, 3:tmp ; Set n last bytes of xmm/ymm register to zero and other bytes to 255 ;------------------------------------------------------------------------------ %macro LOAD_EDGE_MASK 3 %if !PIC movu m%1, [edge_mask + %2 - mmsize] %elif ARCH_X86_64 lea %3, [rel edge_mask] movu m%1, [%3 + %2 - mmsize] %elif mmsize <= STACK_ALIGNMENT %assign %%pad -(stack_offset + gprsize) & (mmsize - 1) pxor m%1, m%1 mova [rsp - %%pad - mmsize], m%1 pcmpeqb m%1, m%1 mova [rsp - %%pad - 2 * mmsize], m%1 movu m%1, [rsp + %2 - %%pad - 2 * mmsize] %else mov %3, rsp and %3, -mmsize pxor m%1, m%1 mova [%3 - mmsize], m%1 pcmpeqb m%1, m%1 mova [%3 - 2 * mmsize], m%1 movu m%1, [%3 + %2 - 2 * mmsize] %endif %endmacro ;------------------------------------------------------------------------------ ; ADD_BITMAPS ; void add_bitmaps(uint8_t *dst, intptr_t dst_stride, ; uint8_t *src, intptr_t src_stride, ; intptr_t width, intptr_t height); ;------------------------------------------------------------------------------ %macro ADD_BITMAPS 0 %if ARCH_X86_64 cglobal add_bitmaps, 6,8,3 DECLARE_REG_TMP 7 %else cglobal add_bitmaps, 5,7,3 DECLARE_REG_TMP 5 %endif lea r0, [r0 + r4] lea r2, [r2 + r4] neg r4 mov r6, r4 and r4, mmsize - 1 LOAD_EDGE_MASK 2, r4, t0 %if !ARCH_X86_64 mov r5, r5m %endif imul r5, r3 add r5, r2 mov r4, r6 jmp .loop_entry .width_loop: paddusb m0, m1 movu [r0 + r4 - mmsize], m0 .loop_entry: movu m0, [r0 + r4] movu m1, [r2 + r4] add r4, mmsize jnc .width_loop pand m1, m2 paddusb m0, m1 movu [r0 + r4 - mmsize], m0 add r0, r1 add r2, r3 mov r4, r6 cmp r2, r5 jl .loop_entry RET %endmacro INIT_XMM sse2 ADD_BITMAPS INIT_YMM avx2 ADD_BITMAPS ;------------------------------------------------------------------------------ ; IMUL_BITMAPS ; void imul_bitmaps(uint8_t *dst, intptr_t dst_stride, ; uint8_t *src, intptr_t src_stride, ; intptr_t width, intptr_t height); ;------------------------------------------------------------------------------ %macro IMUL_BITMAPS 0 %if ARCH_X86_64 cglobal imul_bitmaps, 6,8,8 DECLARE_REG_TMP 7 %else cglobal imul_bitmaps, 5,7,8 DECLARE_REG_TMP 5 %endif lea r0, [r0 + r4] lea r2, [r2 + r4] neg r4 mov r6, r4 and r4, mmsize - 1 LOAD_EDGE_MASK 4, r4, t0 %if ARCH_X86_64 || !PIC mova m5, [words_255] %else mov t0d, 255 * 0x10001 BCASTD 5, t0d %endif pxor m6, m6 pcmpeqb m7, m7 %if !ARCH_X86_64 mov r5, r5m %endif imul r5, r3 add r5, r2 mov r4, r6 jmp .loop_entry .width_loop: pxor m1, m7 punpckhbw m2, m0, m6 punpckhbw m3, m1, m6 punpcklbw m0, m6 punpcklbw m1, m6 pmullw m2, m3 pmullw m0, m1 paddw m2, m5 paddw m0, m5 psrlw m2, 8 psrlw m0, 8 packuswb m0, m2 movu [r0 + r4 - mmsize], m0 .loop_entry: movu m0, [r0 + r4] movu m1, [r2 + r4] add r4, mmsize jnc .width_loop pand m1, m4 pxor m1, m7 punpckhbw m2, m0, m6 punpckhbw m3, m1, m6 punpcklbw m0, m6 punpcklbw m1, m6 pmullw m2, m3 pmullw m0, m1 paddw m2, m5 paddw m0, m5 psrlw m2, 8 psrlw m0, 8 packuswb m0, m2 movu [r0 + r4 - mmsize], m0 add r0, r1 add r2, r3 mov r4, r6 cmp r2, r5 jl .loop_entry RET %endmacro INIT_XMM sse2 IMUL_BITMAPS INIT_YMM avx2 IMUL_BITMAPS ;------------------------------------------------------------------------------ ; MUL_BITMAPS ; void mul_bitmaps(uint8_t *dst, intptr_t dst_stride, ; uint8_t *src1, intptr_t src1_stride, ; uint8_t *src2, intptr_t src2_stride, ; intptr_t width, intptr_t height); ;------------------------------------------------------------------------------ %macro MUL_BITMAPS 0 %if ARCH_X86_64 cglobal mul_bitmaps, 7,9,7 DECLARE_REG_TMP 8,7 %else cglobal mul_bitmaps, 1,7,7 DECLARE_REG_TMP 1,3 mov r2, r2m mov r4, r4m mov r5, r5m mov r6, r6m %endif lea r0, [r0 + r6] lea r2, [r2 + r6] lea r4, [r4 + r6] neg r6 mov t0, r6 and r6, mmsize - 1 LOAD_EDGE_MASK 4, r6, t1 %if ARCH_X86_64 || !PIC mova m5, [words_255] %else mov t1d, 255 * 0x10001 BCASTD 5, t1d %endif pxor m6, m6 mov t1, r7m imul t1, r5 add t1, r4 mov r6, t0 jmp .loop_entry .width_loop: mova [r0 + r6 - mmsize], m0 .loop_entry: movu m0, [r2 + r6] movu m1, [r4 + r6] punpckhbw m2, m0, m6 punpckhbw m3, m1, m6 punpcklbw m0, m6 punpcklbw m1, m6 pmullw m2, m3 pmullw m0, m1 paddw m2, m5 paddw m0, m5 psrlw m2, 8 psrlw m0, 8 packuswb m0, m2 add r6, mmsize jnc .width_loop pand m0, m4 mova [r0 + r6 - mmsize], m0 %if ARCH_X86_64 add r0, r1 add r2, r3 %else add r0, r1m add r2, r3m %endif add r4, r5 mov r6, t0 cmp r4, t1 jl .loop_entry RET %endmacro INIT_XMM sse2 MUL_BITMAPS INIT_YMM avx2 MUL_BITMAPS libass-0.17.1/libass/x86/blur.asm0000644060175106017510000005246114376664500013407 00000000000000;****************************************************************************** ;* blur.asm: SSE2/AVX2 cascade blur ;****************************************************************************** ;* Copyright (C) 2015 Vabishchevich Nikolay ;* ;* This file is part of libass. ;* ;* Permission to use, copy, modify, and distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;****************************************************************************** %include "x86/utils.asm" SECTION_RODATA 32 %if ARCH_X86_64 || !PIC words_zero: times 16 dw 0 words_one: times 16 dw 1 words_dither_init: times 8 dw 8, 40 words_dither_flip: times 16 dw 48 %if ARCH_X86_64 words_sign: times 16 dw 0x8000 %endif dwords_two: times 8 dd 2 dwords_round: times 8 dd 0x8000 dwords_lomask: times 8 dd 0xFFFF %endif SECTION .text ;------------------------------------------------------------------------------ ; STRIPE_UNPACK ; void stripe_unpack(int16_t *dst, const uint8_t *src, ptrdiff_t src_stride, ; uintptr_t width, uintptr_t height); ;------------------------------------------------------------------------------ %macro STRIPE_UNPACK 0 cglobal stripe_unpack, 5,6,3 lea r3, [2 * r3 + mmsize - 1] and r3, -mmsize mov r5, r3 imul r3, r4 shr r5, 1 MUL r4, mmsize and r5, -mmsize sub r3, r4 sub r2, r5 %if ARCH_X86_64 || !PIC mova m2, [words_one] %else mov r5d, 0x10001 BCASTD 2, r5d %endif xor r5, r5 jmp .row_loop .col_loop: mova m1, [r1] %if mmsize == 32 vpermq m1, m1, q3120 %endif punpcklbw m0, m1, m1 punpckhbw m1, m1 psrlw m0, 1 psrlw m1, 1 paddw m0, m2 paddw m1, m2 psrlw m0, 1 psrlw m1, 1 mova [r0 + r5], m0 add r5, r4 mova [r0 + r5], m1 add r5, r4 add r1, mmsize .row_loop: cmp r5, r3 jl .col_loop sub r5, r4 cmp r5, r3 jge .skip_odd add r5, r4 mova m0, [r1] %if mmsize == 32 vpermq m0, m0, q3120 %endif punpcklbw m0, m0 psrlw m0, 1 paddw m0, m2 psrlw m0, 1 mova [r0 + r5], m0 .skip_odd: add r5, mmsize sub r5, r3 add r1, r2 cmp r5, r4 jb .row_loop RET %endmacro INIT_XMM sse2 STRIPE_UNPACK INIT_YMM avx2 STRIPE_UNPACK ;------------------------------------------------------------------------------ ; STRIPE_PACK ; void stripe_pack(uint8_t *dst, ptrdiff_t dst_stride, const int16_t *src, ; uintptr_t width, uintptr_t height); ;------------------------------------------------------------------------------ %macro STRIPE_PACK 0 cglobal stripe_pack, 5,7,5 lea r3, [2 * r3 + mmsize - 1] mov r6, r1 and r3, -mmsize mov r5, mmsize imul r3, r4 imul r6, r4 add r3, r2 MUL r4, mmsize sub r5, r6 %if ARCH_X86_64 || !PIC mova m4, [words_dither_flip] %else mov r6d, 48 * 0x10001 BCASTD 4, r6d %endif jmp .row_loop .col_loop: mova m0, [r2] mova m2, m0 psrlw m2, 8 psubw m0, m2 mova m1, [r2 + r4] mova m2, m1 psrlw m2, 8 psubw m1, m2 paddw m0, m3 paddw m1, m3 psrlw m0, 6 psrlw m1, 6 packuswb m0, m1 %if mmsize == 32 vpermq m0, m0, q3120 %endif mova [r0], m0 pxor m3, m4 add r2, mmsize add r0, r1 cmp r2, r6 jb .col_loop add r0, r5 add r2, r4 .row_loop: %if ARCH_X86_64 || !PIC mova m3, [words_dither_init] %else mov r6d, 8 | 40 << 16 BCASTD 3, r6d %endif lea r6, [r2 + r4] cmp r6, r3 jb .col_loop cmp r2, r3 jb .odd_stripe RET .odd_stripe: mova m0, [r2] mova m2, m0 psrlw m2, 8 psubw m0, m2 pxor m1, m1 paddw m0, m3 psrlw m0, 6 packuswb m0, m1 %if mmsize == 32 vpermq m0, m0, q3120 %endif mova [r0], m0 pxor m3, m4 add r2, mmsize add r0, r1 cmp r2, r6 jb .odd_stripe RET %endmacro INIT_XMM sse2 STRIPE_PACK INIT_YMM avx2 STRIPE_PACK ;------------------------------------------------------------------------------ ; LOAD_LINE 1:m_dst, 2:base, 3:max, 4:zero_offs, ; 5:offs(lea arg), 6:tmp, [7:left/right] ; LOAD_LINE_COMPACT 1:m_dst, 2:base, 3:max, ; 4:offs(register), 5:tmp, [6:left/right] ; Load xmm/ymm register with correct source bitmap data ;------------------------------------------------------------------------------ %macro LOAD_LINE 6-7 lea %6, [%5] cmp %6, %3 cmovae %6, %4 %if mmsize != 32 || %0 < 7 mova m%1, [%2 + %6] %elifidn %7, left mova xm%1, [%2 + %6] %elifidn %7, right mova xm%1, [%2 + %6 + 16] %else %error "left/right expected" %endif %endmacro %macro LOAD_LINE_COMPACT 5-6 %if ARCH_X86_64 || !PIC lea %5, [words_zero] %else mov %5, rsp %endif sub %5, %2 cmp %4, %3 cmovb %5, %4 %if mmsize != 32 || %0 < 6 mova m%1, [%2 + %5] %elifidn %6, left mova xm%1, [%2 + %5] %elifidn %6, right mova xm%1, [%2 + %5 + 16] %else %error "left/right expected" %endif %endmacro ;------------------------------------------------------------------------------ ; SHRINK_HORZ ; void shrink_horz(int16_t *dst, const int16_t *src, ; uintptr_t src_width, uintptr_t src_height); ;------------------------------------------------------------------------------ %macro SHRINK_HORZ 0 %if ARCH_X86_64 cglobal shrink_horz, 4,9,9 DECLARE_REG_TMP 8 %else %if !PIC cglobal shrink_horz, 4,7,8 %else cglobal shrink_horz, 4,7,8, -mmsize pxor m0, m0 mova [rsp], m0 %endif DECLARE_REG_TMP 6 %endif lea t0, [r2 + mmsize + 3] lea r2, [2 * r2 + mmsize - 1] and t0, -mmsize and r2, -mmsize imul t0, r3 imul r2, r3 add t0, r0 xor r4, r4 MUL r3, mmsize sub r4, r3 %if ARCH_X86_64 || !PIC mova m7, [dwords_lomask] %else mov r5d, 0xFFFF BCASTD 7, r5d %endif %if ARCH_X86_64 mova m8, [dwords_two] lea r7, [words_zero] sub r7, r1 %else mov [rsp - 4], t0 %endif lea r5, [r0 + r3] .main_loop: %if ARCH_X86_64 LOAD_LINE 0, r1,r2,r7, r4 + 0 * r3, r6, right LOAD_LINE 1, r1,r2,r7, r4 + 1 * r3, r6 LOAD_LINE 2, r1,r2,r7, r4 + 2 * r3, r6 %else LOAD_LINE_COMPACT 0, r1,r2,r4, r6, right add r4, r3 LOAD_LINE_COMPACT 1, r1,r2,r4, r6 add r4, r3 LOAD_LINE_COMPACT 2, r1,r2,r4, r6 sub r4, r3 sub r4, r3 %endif %if mmsize == 32 vperm2i128 m3, m0, m1, 0x20 vperm2i128 m4, m1, m2, 0x21 %else mova m3, m0 mova m4, m1 %endif PALIGNR m3,m1,m3, m6, 10 PALIGNR m4,m2,m4, m6, 10 paddw m3, m1 paddw m4, m2 pand m3, m7 pand m4, m7 psrld xm6, xm0, 16 paddw xm0, xm6 psrld m6, m1, 16 paddw m1, m6 psrld m6, m2, 16 paddw m2, m6 pand xm0, xm7 pand m1, m7 pand m2, m7 %if mmsize == 32 vperm2i128 m0, m0, m1, 0x20 %endif PALIGNR m5,m1,m0, m6, 8 paddd m5, m1 psrld m5, 1 PALIGNR m0,m1,m0, m6, 12 paddd m5, m0 psrld m5, 1 paddd m5, m3 psrld m5, 1 paddd m0, m5 %if mmsize == 32 vperm2i128 m1, m1, m2, 0x21 %endif PALIGNR m5,m2,m1, m6, 8 paddd m5, m2 psrld m5, 1 PALIGNR m1,m2,m1, m6, 12 paddd m5, m1 psrld m5, 1 paddd m5, m4 psrld m5, 1 paddd m1, m5 %if ARCH_X86_64 paddd m0, m8 paddd m1, m8 %else %if !PIC mova m6, [dwords_two] %else mov r6d, 2 BCASTD 6, r6d %endif paddd m0, m6 paddd m1, m6 %endif psrld m0, 2 psrld m1, 2 packssdw m0, m1 %if mmsize == 32 vpermq m0, m0, q3120 %endif mova [r0], m0 add r0, mmsize add r4, mmsize cmp r0, r5 jb .main_loop add r4, r3 add r5, r3 %if ARCH_X86_64 cmp r0, t0 %else cmp r0, [rsp - 4] %endif jb .main_loop RET %endmacro INIT_XMM sse2 SHRINK_HORZ INIT_YMM avx2 SHRINK_HORZ ;------------------------------------------------------------------------------ ; SHRINK_VERT ; void shrink_vert(int16_t *dst, const int16_t *src, ; uintptr_t src_width, uintptr_t src_height); ;------------------------------------------------------------------------------ %macro SHRINK_VERT 0 %if ARCH_X86_64 cglobal shrink_vert, 4,7,9 %elif !PIC cglobal shrink_vert, 4,7,8 %else cglobal shrink_vert, 4,7,8, -mmsize pxor m0, m0 mova [rsp], m0 %endif lea r2, [2 * r2 + mmsize - 1] lea r5, [r3 + 5] and r2, -mmsize shr r5, 1 imul r2, r5 MUL r3, mmsize add r2, r0 %if ARCH_X86_64 || !PIC mova m7, [words_one] %if ARCH_X86_64 mova m8, [words_sign] %endif lea r6, [words_zero] %else mov r4d, 0x10001 BCASTD 7, r4d mov r6, rsp %endif sub r6, r1 .col_loop: mov r4, -4 * mmsize pxor m0, m0 pxor m1, m1 pxor m2, m2 pxor m3, m3 .row_loop: LOAD_LINE 4, r1,r3,r6, r4 + 4 * mmsize, r5 LOAD_LINE 5, r1,r3,r6, r4 + 5 * mmsize, r5 %if ARCH_X86_64 mova m6, m8 %else psllw m6, m7, 15 %endif paddw m1, m4 paddw m4, m5 pand m6, m0 pand m6, m4 paddw m0, m4 psrlw m0, 1 por m0, m6 pand m6, m2 paddw m0, m2 psrlw m0, 1 por m0, m6 pand m6, m1 paddw m0, m1 psrlw m0, 1 por m0, m6 paddw m0, m2 psrlw m0, 1 por m0, m6 paddw m0, m7 psrlw m0, 1 mova [r0], m0 add r4, 2 * mmsize add r0, mmsize mova m0, m2 mova m1, m3 mova m2, m4 mova m3, m5 cmp r4, r3 jl .row_loop add r1, r3 sub r6, r3 cmp r0, r2 jb .col_loop RET %endmacro INIT_XMM sse2 SHRINK_VERT INIT_YMM avx2 SHRINK_VERT ;------------------------------------------------------------------------------ ; EXPAND_HORZ ; void expand_horz(int16_t *dst, const int16_t *src, ; uintptr_t src_width, uintptr_t src_height); ;------------------------------------------------------------------------------ %macro EXPAND_HORZ 0 %if ARCH_X86_64 cglobal expand_horz, 4,9,5 DECLARE_REG_TMP 8 %else %if !PIC cglobal expand_horz, 4,7,5 %else cglobal expand_horz, 4,7,5, -mmsize pxor m0, m0 mova [rsp], m0 %endif DECLARE_REG_TMP 6 %endif lea t0, [4 * r2 + 7] lea r2, [2 * r2 + mmsize - 1] and t0, -mmsize and r2, -mmsize imul t0, r3 imul r2, r3 add t0, r0 xor r4, r4 MUL r3, mmsize sub r4, r3 %if ARCH_X86_64 || !PIC mova m4, [words_one] %else mov r5d, 0x10001 BCASTD 4, r5d %endif %if ARCH_X86_64 lea r7, [words_zero] sub r7, r1 %endif lea r5, [r0 + r3] cmp r0, t0 jae .odd_stripe %if !ARCH_X86_64 mov [rsp - 4], t0 %endif .main_loop: %if ARCH_X86_64 LOAD_LINE 2, r1,r2,r7, r4 + 0 * r3, r6, right LOAD_LINE 1, r1,r2,r7, r4 + 1 * r3, r6 %else LOAD_LINE_COMPACT 2, r1,r2,r4, r6, right add r4, r3 LOAD_LINE_COMPACT 1, r1,r2,r4, r6 sub r4, r3 %endif %if mmsize == 32 vperm2i128 m2, m2, m1, 0x20 %endif PALIGNR m0,m1,m2, m3, 12 PALIGNR m2,m1,m2, m3, 14 paddw m3, m0, m1 psrlw m3, 1 paddw m3, m2 psrlw m3, 1 paddw m0, m3 paddw m1, m3 psrlw m0, 1 psrlw m1, 1 paddw m0, m2 paddw m1, m2 paddw m0, m4 paddw m1, m4 psrlw m0, 1 psrlw m1, 1 %if mmsize == 32 vpermq m0, m0, q3120 vpermq m1, m1, q3120 %endif punpcklwd m2, m0, m1 punpckhwd m0, m1 mova [r0], m2 mova [r0 + r3], m0 add r0, mmsize add r4, mmsize cmp r0, r5 jb .main_loop add r0, r3 lea r5, [r0 + r3] %if !ARCH_X86_64 mov t0, [rsp - 4] %endif cmp r0, t0 jb .main_loop add t0, r3 cmp r0, t0 jb .odd_stripe RET .odd_stripe: %if ARCH_X86_64 LOAD_LINE 2, r1,r2,r7, r4 + 0 * r3, r6, right LOAD_LINE 1, r1,r2,r7, r4 + 1 * r3, r6, left %else LOAD_LINE_COMPACT 2, r1,r2,r4, r6, right add r4, r3 LOAD_LINE_COMPACT 1, r1,r2,r4, r6, left sub r4, r3 %endif PALIGNR xm0,xm1,xm2, xm3, 12 PALIGNR xm2,xm1,xm2, xm3, 14 paddw xm3, xm0, xm1 psrlw xm3, 1 paddw xm3, xm2 psrlw xm3, 1 paddw xm0, xm3 paddw xm1, xm3 psrlw xm0, 1 psrlw xm1, 1 paddw xm0, xm2 paddw xm1, xm2 paddw xm0, xm4 paddw xm1, xm4 psrlw xm0, 1 psrlw xm1, 1 %if mmsize == 32 vpermq m0, m0, q3120 vpermq m1, m1, q3120 %endif punpcklwd m0, m1 mova [r0], m0 add r0, mmsize add r4, mmsize cmp r0, r5 jb .odd_stripe RET %endmacro INIT_XMM sse2 EXPAND_HORZ INIT_YMM avx2 EXPAND_HORZ ;------------------------------------------------------------------------------ ; EXPAND_VERT ; void expand_vert(int16_t *dst, const int16_t *src, ; uintptr_t src_width, uintptr_t src_height); ;------------------------------------------------------------------------------ %macro EXPAND_VERT 0 %if ARCH_X86_64 || !PIC cglobal expand_vert, 4,7,5 %else cglobal expand_vert, 4,7,5, -mmsize pxor m0, m0 mova [rsp], m0 %endif lea r2, [2 * r2 + mmsize - 1] lea r5, [2 * r3 + 4] and r2, -mmsize imul r2, r5 MUL r3, mmsize add r2, r0 %if ARCH_X86_64 || !PIC mova m4, [words_one] lea r6, [words_zero] %else mov r4d, 0x10001 BCASTD 4, r4d mov r6, rsp %endif sub r6, r1 .col_loop: mov r4, -2 * mmsize pxor m0, m0 pxor m1, m1 .row_loop: LOAD_LINE 2, r1,r3,r6, r4 + 2 * mmsize, r5 paddw m3, m0, m2 psrlw m3, 1 paddw m3, m1 psrlw m3, 1 paddw m0, m3 paddw m3, m2 psrlw m0, 1 psrlw m3, 1 paddw m0, m1 paddw m3, m1 paddw m0, m4 paddw m3, m4 psrlw m0, 1 psrlw m3, 1 mova [r0], m0 mova [r0 + mmsize], m3 add r4, mmsize add r0, 2 * mmsize mova m0, m1 mova m1, m2 cmp r4, r3 jl .row_loop add r1, r3 sub r6, r3 cmp r0, r2 jb .col_loop RET %endmacro INIT_XMM sse2 EXPAND_VERT INIT_YMM avx2 EXPAND_VERT ;------------------------------------------------------------------------------ ; LOAD_MULTIPLIER 1:n, 2:m_mul, 3:src, 4:tmp ; Load blur parameters into xmm/ymm registers ;------------------------------------------------------------------------------ %macro LOAD_MULTIPLIER 4 %if ARCH_X86_64 %assign %%t %2 + (%1 - 1) / 2 %else %assign %%t %2 %endif movu xm %+ %%t, [%3] %if %1 % 2 pextrw %4d, xm %+ %%t, 0 pslldq xm %+ %%t, 2 pinsrw xm %+ %%t, %4d, 0 %endif %if mmsize == 32 vpermq m %+ %%t, m %+ %%t, q1010 %endif %if ARCH_X86_64 %assign %%i 0 %rep (%1 + 1) / 2 %assign %%c %2 + %%i pshufd m %+ %%c, m %+ %%t, q1111 * %%i %assign %%i %%i + 1 %endrep %endif %endmacro ;------------------------------------------------------------------------------ ; FILTER_PAIR 1-2:m_acc[2], 3-4:m_line[2], 5:m_tmp, 6:m_mul, 7:pos ; Calculate acc += line[0] * mul[odd] + line[1] * mul[even] ;------------------------------------------------------------------------------ %macro FILTER_PAIR 7 punpcklwd m%5, m%4, m%3 punpckhwd m%4, m%3 %assign %%p ((%7) - 1) / 2 %if ARCH_X86_64 %assign %%p %6 + %%p %else pshufd m%3, m%6, q1111 * %%p %assign %%p %3 %endif pmaddwd m%5, m %+ %%p pmaddwd m%4, m %+ %%p %ifidn %1, %5 paddd m%1, m%2 %else paddd m%1, m%5 %endif paddd m%2, m%4 %endmacro ;------------------------------------------------------------------------------ ; NEXT_DIFF 1:m_res, 2:m_side, 3:m_center, 4:position, 5:left/right ; Calculate difference between next offset line and center line ;------------------------------------------------------------------------------ %macro NEXT_DIFF 5 %ifidn %5, left %if cpuflag(ssse3) palignr m%1, m%3, m%2, 16 - (%4) %else psrldq m%2, 2 pslldq m%1, m%3, %4 por m%1, m%2 %endif %elifidn %5, right %if cpuflag(ssse3) palignr m%1, m%2, m%3, %4 %else pslldq m%2, 2 psrldq m%1, m%3, %4 por m%1, m%2 %endif %else %error "left/right expected" %endif psubw m%1, m%3 %endmacro ;------------------------------------------------------------------------------ ; BLUR_HORZ 1:radius ; void blurN_horz(int16_t *dst, const int16_t *src, ; uintptr_t src_width, uintptr_t src_height, ; const int16_t *param); ;------------------------------------------------------------------------------ %macro BLUR_HORZ 1 %if ARCH_X86_64 %assign %%narg 9 + (%1 + 1) / 2 cglobal blur%1_horz, 5,8,%%narg %else %if !PIC cglobal blur%1_horz, 5,7,8 %else cglobal blur%1_horz, 5,7,8, -mmsize pxor m0, m0 mova [rsp], m0 %endif SWAP 7, 9 %endif LOAD_MULTIPLIER %1, 9, r4, r5 lea r5, [2 * r2 + mmsize + 4 * %1 - 1] lea r2, [2 * r2 + mmsize - 1] and r5, -mmsize and r2, -mmsize imul r5, r3 imul r2, r3 add r5, r0 xor r4, r4 MUL r3, mmsize %if mmsize != 32 && %1 > 4 sub r4, r3 %endif sub r4, r3 %if ARCH_X86_64 mova m7, [dwords_round] lea r7, [words_zero] sub r7, r1 %endif .main_loop: %if ARCH_X86_64 %if %1 > 4 LOAD_LINE 1, r1,r2,r7, r4 + 0 * r3, r6 %else LOAD_LINE 1, r1,r2,r7, r4 + 0 * r3, r6, right %endif LOAD_LINE 2, r1,r2,r7, r4 + 1 * r3, r6 %if mmsize != 32 && %1 > 4 LOAD_LINE 0, r1,r2,r7, r4 + 2 * r3, r6 SWAP 0, 2 %endif %else %if %1 > 4 LOAD_LINE_COMPACT 1, r1,r2,r4, r6 %else LOAD_LINE_COMPACT 1, r1,r2,r4, r6, right %endif add r4, r3 LOAD_LINE_COMPACT 2, r1,r2,r4, r6 %if mmsize != 32 && %1 > 4 add r4, r3 LOAD_LINE_COMPACT 0, r1,r2,r4, r6 SWAP 0, 2 sub r4, r3 %endif sub r4, r3 %endif %if %1 > 4 %if mmsize == 32 vperm2i128 m0, m1, m2, 0x21 %endif %if cpuflag(ssse3) PALIGNR m1,m0,m1, m3, 16 - 2 * %1 %else PALIGNR m1,m0,m1, m3, 32 - 4 * %1 %endif PALIGNR m0,m2,m0, m3, 16 - 2 * %1 %else %if mmsize == 32 vperm2i128 m1, m1, m2, 0x20 %endif %if cpuflag(ssse3) palignr m0, m2, m1, 8 pslldq m1, 8 %else shufpd m0, m1, m2, 5 %endif %endif %if ARCH_X86_64 mova m6, m7 %else %if !PIC mova m6, [dwords_round] %else mov r6d, 0x8000 BCASTD 6, r6d %endif mova [r0], m1 SWAP 1, 8 %endif %assign %%i %1 psubw m3, m2, m0 %if cpuflag(ssse3) && %1 < 8 psrldq m2, 16 - 2 * %1 %endif NEXT_DIFF 4,2,0, 2 * %%i - 2, right FILTER_PAIR 5,6, 3,4, 5, 9,%%i %rep %1 / 2 - 1 %assign %%i %%i - 2 NEXT_DIFF 3,2,0, 2 * %%i, right NEXT_DIFF 4,2,0, 2 * %%i - 2, right FILTER_PAIR 5,6, 3,4, 8, 9,%%i %endrep %if !ARCH_X86_64 SWAP 1, 8 mova m1, [r0] %if %1 % 2 mova [r0], m2 %endif SWAP 2, 8 %endif %assign %%i %1 %if cpuflag(ssse3) && %1 < 8 NEXT_DIFF 3,1,0, 2 * %%i, left %else psubw m3, m1, m0 %endif NEXT_DIFF 4,1,0, 2 * %%i - 2, left FILTER_PAIR 5,6, 3,4, 8, 9,%%i %rep %1 / 2 - 1 %assign %%i %%i - 2 NEXT_DIFF 3,1,0, 2 * %%i, left NEXT_DIFF 4,1,0, 2 * %%i - 2, left FILTER_PAIR 5,6, 3,4, 8, 9,%%i %endrep %if %%i > 2 %assign %%i %%i - 2 %if !ARCH_X86_64 SWAP 2, 8 mova m2, [r0] %endif NEXT_DIFF 3,1,0, 2 * %%i, left NEXT_DIFF 4,2,0, 2 * %%i, right FILTER_PAIR 5,6, 3,4, 1, 9,%%i %endif psrad m5, 16 psrad m6, 16 packssdw m5, m6 paddw m0, m5 mova [r0], m0 add r0, mmsize add r4, mmsize cmp r0, r5 jb .main_loop RET %endmacro INIT_XMM sse2 BLUR_HORZ 4 BLUR_HORZ 5 BLUR_HORZ 6 BLUR_HORZ 7 BLUR_HORZ 8 INIT_YMM avx2 BLUR_HORZ 4 BLUR_HORZ 5 BLUR_HORZ 6 BLUR_HORZ 7 BLUR_HORZ 8 ;------------------------------------------------------------------------------ ; BLUR_VERT 1:radius ; void blurN_vert(int16_t *dst, const int16_t *src, ; uintptr_t src_width, uintptr_t src_height, ; const int16_t *param); ;------------------------------------------------------------------------------ %macro BLUR_VERT 1 %if ARCH_X86_64 %assign %%narg 7 + (%1 + 1) / 2 cglobal blur%1_vert, 5,7,%%narg %elif !PIC cglobal blur%1_vert, 5,7,8 %else cglobal blur%1_vert, 5,7,8, -mmsize pxor m0, m0 mova [rsp], m0 %endif LOAD_MULTIPLIER %1, 7, r4, r5 lea r2, [2 * r2 + mmsize - 1] lea r5, [r3 + 2 * %1] and r2, -mmsize imul r2, r5 MUL r3, mmsize add r2, r0 %if ARCH_X86_64 || !PIC mova m4, [dwords_round] lea r6, [words_zero] %else mov r5d, 0x8000 BCASTD 4, r5d mov r6, rsp %endif sub r6, r1 .col_loop: mov r4, -2 * %1 * mmsize .row_loop: mova m5, m4 mova m6, m4 LOAD_LINE 0, r1,r3,r6, r4 + %1 * mmsize, r5 %assign %%i %1 %rep %1 / 2 LOAD_LINE 1, r1,r3,r6, r4 + (%1 - %%i) * mmsize, r5 LOAD_LINE 2, r1,r3,r6, r4 + (%1 - %%i + 1) * mmsize, r5 psubw m1, m0 psubw m2, m0 FILTER_PAIR 5,6, 1,2, 3, 7,%%i LOAD_LINE 1, r1,r3,r6, r4 + (%1 + %%i) * mmsize, r5 LOAD_LINE 2, r1,r3,r6, r4 + (%1 + %%i - 1) * mmsize, r5 psubw m1, m0 psubw m2, m0 FILTER_PAIR 5,6, 1,2, 3, 7,%%i %assign %%i %%i - 2 %endrep %if %%i > 0 LOAD_LINE 1, r1,r3,r6, r4 + (%1 - %%i) * mmsize, r5 LOAD_LINE 2, r1,r3,r6, r4 + (%1 + %%i) * mmsize, r5 psubw m1, m0 psubw m2, m0 FILTER_PAIR 5,6, 1,2, 3, 7,%%i %endif psrad m5, 16 psrad m6, 16 packssdw m5, m6 paddw m0, m5 mova [r0], m0 add r4, mmsize add r0, mmsize cmp r4, r3 jl .row_loop add r1, r3 sub r6, r3 cmp r0, r2 jb .col_loop RET %endmacro INIT_XMM sse2 BLUR_VERT 4 BLUR_VERT 5 BLUR_VERT 6 BLUR_VERT 7 BLUR_VERT 8 INIT_YMM avx2 BLUR_VERT 4 BLUR_VERT 5 BLUR_VERT 6 BLUR_VERT 7 BLUR_VERT 8 libass-0.17.1/libass/x86/cpuid.asm0000644060175106017510000000500014371314501013516 00000000000000;****************************************************************************** ;* cpuid.asm: check for cpu capabilities ;****************************************************************************** ;* Copyright (C) 2013 rcombs ;* ;* This file is part of libass. ;* ;* Permission to use, copy, modify, and distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;****************************************************************************** %include "x86/x86inc.asm" SECTION .text ;------------------------------------------------------------------------------ ; uint32_t has_cpuid( void ); ;------------------------------------------------------------------------------ INIT_XMM cglobal has_cpuid, 0, 0, 0 %if ARCH_X86_64 mov eax, 1 %else pushfd pop ecx mov eax, ecx xor eax, 0x00200000 push eax popfd pushfd pop eax xor eax, ecx and eax, 0x00200000 ; non-zero if bit is writable push ecx ; Restore original EFLAGS popfd %endif RET ;------------------------------------------------------------------------------ ; void get_cpuid( uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); ;------------------------------------------------------------------------------ INIT_XMM cglobal get_cpuid, 4, 5, 0 push rbx push r3 push r2 push r1 push r0 mov eax, [r0] xor ecx, ecx cpuid pop r4 mov [r4], eax pop r4 mov [r4], ebx pop r4 mov [r4], ecx pop r4 mov [r4], edx pop rbx RET ;----------------------------------------------------------------------------- ; void get_xgetbv( uint32_t op, uint32_t *eax, uint32_t *edx ) ;----------------------------------------------------------------------------- INIT_XMM cglobal get_xgetbv, 3, 7, 0 push r2 push r1 mov ecx, r0d xgetbv pop r4 mov [r4], eax pop r4 mov [r4], edx RET libass-0.17.1/libass/x86/cpuid.h0000644060175106017510000000207314371314501013174 00000000000000/* * Copyright (C) 2013 rcombs * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef LIBASS_X86_CPUID_H #define LIBASS_X86_CPUID_H #include uint32_t ass_has_cpuid( void ); void ass_get_cpuid( uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); void ass_get_xgetbv( uint32_t op, uint32_t *eax, uint32_t *edx ); #endif libass-0.17.1/libass/x86/rasterizer.asm0000644060175106017510000005045514376664500014636 00000000000000;****************************************************************************** ;* rasterizer.asm: SSE2/AVX2 tile rasterization ;****************************************************************************** ;* Copyright (C) 2014 Vabishchevich Nikolay ;* ;* This file is part of libass. ;* ;* Permission to use, copy, modify, and distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;****************************************************************************** %include "x86/utils.asm" SECTION_RODATA 32 words_index: dw 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F %if ARCH_X86_64 || !PIC words_tile16: times 16 dw 1024 words_tile32: times 16 dw 512 %endif SECTION .text ;------------------------------------------------------------------------------ ; FILL_LINE 1:dst, 2:m_src, 3:size ;------------------------------------------------------------------------------ %macro FILL_LINE 3 %if ((%3) & (mmsize - 1)) == 0 %assign %%i 0 %rep (%3) / mmsize mova [%1 + %%i], m%2 %assign %%i %%i + mmsize %endrep %elif (%3) == 16 mova [%1], xm%2 %else %error "invalid line size" %endif %endmacro ;------------------------------------------------------------------------------ ; FILL_SOLID_TILE 1:tile_order, 2:suffix ; void fill_solid_tile%2(uint8_t *buf, ptrdiff_t stride, int set); ;------------------------------------------------------------------------------ %macro FILL_SOLID_TILE 2 cglobal fill_solid_tile%2, 3,4,1 mov r3d, -1 test r2d, r2d cmovnz r2d, r3d BCASTD 0, r2d %rep (1 << %1) - 1 FILL_LINE r0, 0, 1 << %1 add r0, r1 %endrep FILL_LINE r0, 0, 1 << %1 RET %endmacro INIT_XMM sse2 FILL_SOLID_TILE 4,16 FILL_SOLID_TILE 5,32 INIT_YMM avx2 FILL_SOLID_TILE 4,16 FILL_SOLID_TILE 5,32 ;------------------------------------------------------------------------------ ; CALC_LINE 1:tile_order, 2:m_dst, 3:m_src, 4:m_delta, ; 5:m_zero, 6:m_full, 7:m_tmp ; Calculate line using antialiased halfplane algorithm ;------------------------------------------------------------------------------ %macro CALC_LINE 7 paddw m%7, m%3, m%4 pmaxsw m%2, m%3, m%5 pmaxsw m%7, m%5 pminsw m%2, m%6 pminsw m%7, m%6 paddw m%2, m%7 psraw m%2, 7 - %1 %endmacro ;------------------------------------------------------------------------------ ; DEF_A_SHIFT 1:tile_order ; If single mm-register is enough to store the whole line ; then sets a_shift = 0, ; else sets a_shift = log2(mmsize / sizeof(int16_t)). ;------------------------------------------------------------------------------ %macro DEF_A_SHIFT 1 %if mmsize >= (2 << %1) %define a_shift 0 %elif mmsize == 32 %define a_shift 4 %elif mmsize == 16 %define a_shift 3 %else %error "invalid mmsize" %endif %endmacro ;------------------------------------------------------------------------------ ; FILL_HALFPLANE_TILE 1:tile_order, 2:suffix ; void fill_halfplane_tile%2(uint8_t *buf, ptrdiff_t stride, ; int32_t a, int32_t b, int64_t c, int32_t scale); ;------------------------------------------------------------------------------ %macro FILL_HALFPLANE_TILE 2 DEF_A_SHIFT %1 %if ARCH_X86_64 && a_shift cglobal fill_halfplane_tile%2, 6,7,9 %elif ARCH_X86_64 cglobal fill_halfplane_tile%2, 6,7,8 %elif !PIC cglobal fill_halfplane_tile%2, 0,7,8 %else cglobal fill_halfplane_tile%2, 0,7,8, -mmsize LEA r0, words_index mova m0, [r0] mova [rsp], m0 %endif %if !a_shift SWAP 3, 8 %endif %if ARCH_X86_64 movsxd r2, r2d ; a movsxd r3, r3d ; b sar r4, 7 + %1 ; c >> (tile_order + 7) movsxd r5, r5d ; scale mov r6, 1 << (45 + %1) imul r2, r5 add r2, r6 sar r2, 46 + %1 ; aa imul r3, r5 add r3, r6 sar r3, 46 + %1 ; bb imul r4, r5 shr r6, 1 + %1 add r4, r6 sar r4, 45 ; cc %else mov r0d, r4m ; c_lo mov r2d, r5m ; c_hi mov r1d, r6m ; scale mov r5d, 1 << 12 shr r0d, 7 + %1 shl r2d, 25 - %1 or r0d, r2d ; r0d (eax) = c >> (tile_order + 7) imul r1d ; r2d (edx) = (c >> ...) * scale >> 32 add r2d, r5d sar r2d, 13 mov r4d, r2d ; cc shl r5d, 1 + %1 mov r0d, r3m ; r0d (eax) = b imul r1d ; r2d (edx) = b * scale >> 32 add r2d, r5d sar r2d, 14 + %1 mov r3d, r2d ; bb mov r0d, r2m ; r0d (eax) = a imul r1d ; r2d (edx) = a * scale >> 32 add r2d, r5d sar r2d, 14 + %1 ; aa mov r0d, r0m mov r1d, r1m %endif add r4d, 1 << (13 - %1) mov r6d, r2d add r6d, r3d sar r6d, 1 sub r4d, r6d BCASTW 1, r4d ; cc BCASTW 2, r2d ; aa %if a_shift psllw m3, m2, a_shift ; aa * (mmsize / 2) %endif %if ARCH_X86_64 || !PIC pmullw m2, [words_index] %else pmullw m2, [rsp] %endif psubw m1, m2 ; cc - aa * i mov r4d, r2d ; aa mov r6d, r4d sar r6d, 31 xor r4d, r6d sub r4d, r6d ; abs_a mov r5d, r3d ; bb mov r6d, r5d sar r6d, 31 xor r5d, r6d sub r5d, r6d ; abs_b cmp r4d, r5d cmovg r4d, r5d add r4d, 2 sar r4d, 2 ; delta BCASTW 2, r4d psubw m1, m2 ; c1 = cc - aa * i - delta paddw m2, m2 ; 2 * delta %if a_shift MUL r2d, (1 << %1) - (mmsize / 2) sub r3d, r2d ; bb - (tile_size - mmsize / 2) * aa %endif %if ARCH_X86_64 || !a_shift BCASTW 8, r3d %endif pxor m0, m0 %if ARCH_X86_64 || !PIC mova m4, [words_tile%2] %else mov r4d, 0x10001 << (14 - %1) BCASTD 4, r4d %endif mov r2d, (1 << %1) jmp .loop_entry .loop_start: add r0, r1 %if ARCH_X86_64 || !a_shift psubw m1, m8 %else BCASTW 7, r3d psubw m1, m7 %endif .loop_entry: %assign i 0 %rep (1 << %1) / mmsize %if i psubw m1, m3 %endif CALC_LINE %1, 5, 1,2, 0,4, 7 psubw m1, m3 CALC_LINE %1, 6, 1,2, 0,4, 7 packuswb m5, m6 %if mmsize == 32 vpermq m5, m5, q3120 %endif mova [r0 + i], m5 %assign i i + mmsize %endrep %if (1 << %1) < mmsize CALC_LINE %1, 5, 1,2, 0,4, 7 packuswb m5, m6 vpermq m5, m5, q3120 mova [r0 + i], xm5 %endif sub r2d,1 jnz .loop_start RET %endmacro INIT_XMM sse2 FILL_HALFPLANE_TILE 4,16 FILL_HALFPLANE_TILE 5,32 INIT_YMM avx2 FILL_HALFPLANE_TILE 4,16 FILL_HALFPLANE_TILE 5,32 ;------------------------------------------------------------------------------ ; struct segment { ; int64_t c; ; int32_t a, b, scale, flags; ; int32_t x_min, x_max, y_min, y_max; ; }; ;------------------------------------------------------------------------------ struc line .c: resq 1 .a: resd 1 .b: resd 1 .scale: resd 1 .flags: resd 1 .x_min: resd 1 .x_max: resd 1 .y_min: resd 1 .y_max: resd 1 endstruc ;------------------------------------------------------------------------------ ; ZEROFILL 1:dst, 2:size, 3:m_zero, 4:tmp ;------------------------------------------------------------------------------ %macro ZEROFILL 4 %assign %%n 128 / mmsize mov %4, (%2) / 128 %%zerofill_loop: %assign %%i 0 %rep %%n mova [%1 + %%i], m%3 %assign %%i %%i + mmsize %endrep add %1, 128 sub %4, 1 jnz %%zerofill_loop %assign %%i 0 %rep ((%2) / mmsize) & (%%n - 1) mova [%1 + %%i], m%3 %assign %%i %%i + mmsize %endrep %endmacro ;------------------------------------------------------------------------------ ; CALC_DELTA_FLAG 1:res, 2:line, 3-4:tmp ; Set bits of result register (res): ; bit 3 - for nonzero up_delta, ; bit 2 - for nonzero dn_delta. ;------------------------------------------------------------------------------ %macro CALC_DELTA_FLAG 4 mov %3d, [%2 + line.flags] xor %4d, %4d cmp %4d, [%2 + line.x_min] cmovz %4d, %3d xor %1d, %1d test %3d, 2 ; SEGFLAG_UL_DR cmovnz %1d, %4d shl %3d, 2 xor %1d, %3d and %4d, 4 and %1d, 4 lea %1d, [%1d + 2 * %1d] xor %1d, %4d %endmacro ;------------------------------------------------------------------------------ ; UPDATE_DELTA 1:dn/up, 2:dst, 3:flag, 4:pos, 5:tmp ; Update delta array ;------------------------------------------------------------------------------ %macro UPDATE_DELTA 5 %ifidn %1, dn %define %%op add %define %%opi sub %assign %%flag 1 << 2 %elifidn %1, up %define %%op sub %define %%opi add %assign %%flag 1 << 3 %else %error "dn/up expected" %endif test %3d, %%flag jz %%skip lea %5d, [4 * %4d - 256] %%opi [%2], %5w lea %5d, [4 * %4d] %%op [%2 + 2], %5w %%skip: %endmacro ;------------------------------------------------------------------------------ ; CALC_VBA 1:tile_order, 2:m_vba, 4:(m_van), 3:b ; Calculate b - (tile_size - (mmsize / sizeof(int16_t))) * a ;------------------------------------------------------------------------------ %macro CALC_VBA 4 BCASTW %2, %4d %rep (2 << %1) / mmsize - 1 psubw m%2, m%3 %endrep %endmacro ;------------------------------------------------------------------------------ ; FILL_BORDER_LINE 1:tile_order, 2:res, 3:abs_a[abs_ab], 4:b, 5:[abs_b], ; 6:size, 7:sum, 8:m_vc, 9:(m_van), 10:m_zero, ; 11-12:tmp, 13-11:m_tmp, 18:[m_tmp] ; Render top/bottom line of the trapezium with antialiasing ;------------------------------------------------------------------------------ %macro FILL_BORDER_LINE 18 mov %11d, %6d shl %11d, 8 - %1 ; size << (8 - tile_order) xor %12d, %12d %if ARCH_X86_64 sub %11d, %3d ; abs_a cmovg %11d, %12d add %11d, 1 << (14 - %1) shl %11d, 2 * %1 - 5 ; w BCASTW %18, %11d mov %12d, %5d ; abs_b imul %12d, %6d sar %12d, 6 ; dc_b cmp %12d, %3d ; abs_a cmovg %12d, %3d %else sub %11w, %3w ; abs_a cmovg %11d, %12d add %11w, 1 << (14 - %1) shl %11d, 2 * %1 - 5 ; w mov %12d, %3d ; abs_ab shr %12d, 16 ; abs_b imul %12d, %6d sar %12d, 6 ; dc_b cmp %12w, %3w cmovg %12w, %3w %endif add %12d, 2 sar %12d, 2 ; dc imul %7d, %4d ; sum * b sar %7d, 7 ; avg * b sub %7d, %12d ; avg * b - dc lea %12d, [%7d + 2 * %12d] ; avg * b + dc imul %7d, %11d imul %12d, %11d sar %7d, 16 sar %12d, 16 sub %7d, %12d ; offs1 - offs2 sub %12d, %6d ; -offs1 add %6d, %6d BCASTW %14, %7d BCASTW %13, %12d BCASTW %15, %6d %assign %%i 0 %rep (2 << %1) / mmsize %if %%i psubw m%8, m%9 %endif %if ARCH_X86_64 pmulhw m%16, m%8, m%18 %else BCASTW %17, %11d pmulhw m%16, m%8, m%17 %endif psubw m%16, m%13 ; c1 psubw m%17, m%16, m%14 ; c2 pmaxsw m%16, m%10 pmaxsw m%17, m%10 pminsw m%16, m%15 pminsw m%17, m%15 paddw m%16, m%17 paddw m%16, [%2 + %%i] mova [%2 + %%i], m%16 %assign %%i %%i + mmsize %endrep %endmacro ;------------------------------------------------------------------------------ ; SAVE_RESULT 1:tile_order, 2:buf, 3:stride, 4:src, 5:delta, ; 6-7:tmp, 8-11:m_tmp ; Convert and store internal buffer (with delta array) in the result buffer ;------------------------------------------------------------------------------ %macro SAVE_RESULT 11 mov %6d, 1 << %1 xor %7d, %7d %%save_loop: add %7w, [%5] BCASTW %10, %7d add %5, 2 %assign %%i 0 %rep (1 << %1) / mmsize paddw m%8, m%10, [%4 + 2 * %%i] PABSW %8, %11 paddw m%9, m%10, [%4 + 2 * %%i + mmsize] PABSW %9, %11 packuswb m%8, m%9 %if mmsize == 32 vpermq m%8, m%8, q3120 %endif mova [%2 + %%i], m%8 %assign %%i %%i + mmsize %endrep %if (1 << %1) < mmsize paddw m%8, m%10, [%4 + 2 * %%i] PABSW %8, %11 packuswb m%8, m%8 vpermq m%8, m%8, q3120 mova [%2 + %%i], xm%8 %endif add %2, %3 add %4, 2 << %1 sub %6d, 1 jnz %%save_loop %endmacro ;------------------------------------------------------------------------------ ; FILL_GENERIC_TILE 1:tile_order, 2:suffix ; void fill_generic_tile%2(uint8_t *buf, ptrdiff_t stride, ; const struct segment *line, size_t n_lines, ; int winding); ;------------------------------------------------------------------------------ %macro FILL_GENERIC_TILE 2 ; t3=line t4=up/cur t5=dn/end t6=dn_pos t7=up_pos ; t8=a/abs_a/abs_ab t9=b t10=c/abs_b %if ARCH_X86_64 DECLARE_REG_TMP 10,11,5,2, 4,9,6,7, 8,12,13 %else DECLARE_REG_TMP 0,1,5,3, 4,6,6,0, 2,3,5 %endif %assign tile_size 1 << %1 %assign delta_offs 2 * tile_size * tile_size %assign buf_size delta_offs + 2 * tile_size %if ARCH_X86_64 %assign alloc_size buf_size + 4 %elif mmsize <= STACK_ALIGNMENT %assign alloc_size buf_size + 12 %else %assign alloc_size buf_size + 32 %endif %assign alloc_size (alloc_size + mmsize - 1) & -mmsize %if !ARCH_X86_64 && PIC %assign alloc_size alloc_size + mmsize %endif %xdefine delta (rsp + delta_offs) DEF_A_SHIFT %1 %define zero 5 %define vc 7 %if ARCH_X86_64 %define full 9 %define vba 10 %define van 11 %if a_shift cglobal fill_generic_tile%2, 5,14,12, -alloc_size %else cglobal fill_generic_tile%2, 5,14,11, -alloc_size %endif %define m_index m8 %else %define full 4 %if a_shift %define vba 3 %else %define vba 6 %endif %define van 6 cglobal fill_generic_tile%2, 0,7,8, -alloc_size %if mmsize <= STACK_ALIGNMENT %define args (rsp + stack_offset + 4) %else %define args (rsp + buf_size + 16) movu xm0, r0m mova [args], xm0 %endif %if ARCH_X86_64 || !PIC %define m_index [words_index] %else %define m_index [rsp + alloc_size - mmsize] LEA r0, words_index mova m1, [r0] mova m_index, m1 %endif mov r4d, r4m %endif mov t0, rsp pxor m%+zero, m%+zero ZEROFILL t0, buf_size, zero, t1 shl r4d, 8 mov [delta], r4w %if ARCH_X86_64 mova m_index, [words_index] mova m%+full, [words_tile%2] %define dn_addr t5 %else %define dn_addr [rsp + buf_size + 4] %define dn_pos [rsp + buf_size + 8] %endif .line_loop: %if !ARCH_X86_64 mov t3, [args + 8] lea t0, [t3 + line_size] mov [args + 8], t0 %endif CALC_DELTA_FLAG t0, t3, t1,t2 mov t4d, [t3 + line.y_min] mov t2d, [t3 + line.y_max] %if ARCH_X86_64 mov t8d, t4d mov t6d, t4d and t6d, 63 ; up_pos shr t4d, 6 ; up mov t5d, t2d mov t7d, t2d and t7d, 63 ; dn_pos shr t5d, 6 ; dn UPDATE_DELTA up, delta + 2 * t4, t0,t6, t1 UPDATE_DELTA dn, delta + 2 * t5, t0,t7, t1 cmp t8d, t2d %else lea t1d, [t0d + 1] cmp t4d, t2d cmovnz t0d, t1d ; bit 0 -- not horz line mov t6d, t2d and t6d, 63 ; dn_pos shr t2d, 6 ; dn UPDATE_DELTA dn, delta + 2 * t2, t0,t6, t1 shl t2d, 1 + %1 add t2, rsp mov dn_addr, t2 mov dn_pos, t6d mov t6d, t4d and t6d, 63 ; up_pos shr t4d, 6 ; up UPDATE_DELTA up, delta + 2 * t4, t0,t6, t1 test t0d, 1 %endif jz .end_line_loop %if ARCH_X86_64 movsxd t8, dword [t3 + line.a] movsxd t9, dword [t3 + line.b] mov t10, [t3 + line.c] sar t10, 7 + %1 ; c >> (tile_order + 7) movsxd t0, dword [t3 + line.scale] mov t1, 1 << (45 + %1) imul t8, t0 add t8, t1 sar t8, 46 + %1 ; a imul t9, t0 add t9, t1 sar t9, 46 + %1 ; b imul t10, t0 shr t1, 1 + %1 add t10, t1 sar t10, 45 ; c %else mov r0d, [t3 + line.c] mov r2d, [t3 + line.c + 4] mov r1d, [t3 + line.scale] shr r0d, 7 + %1 shl r2d, 25 - %1 or r0d, r2d ; r0d (eax) = c >> (tile_order + 7) imul r1d ; r2d (edx) = (c >> ...) * scale >> 32 add r2d, 1 << 12 sar r2d, 13 mov t10d, r2d ; c mov r0d, [t3 + line.b] ; r0d (eax) imul r1d ; r2d (edx) = b * scale >> 32 add r2d, 1 << (13 + %1) sar r2d, 14 + %1 mov r0d, [t3 + line.a] ; r0d (eax) mov t9d, r2d ; b (overrides t3) imul r1d ; r2d (edx) = a * scale >> 32 add r2d, 1 << (13 + %1) sar r2d, 14 + %1 ; a (t8d) %endif mov t0d, t8d ; a sar t0d, 1 sub t10d, t0d mov t0d, t9d ; b imul t0d, t4d sub t10d, t0d BCASTW vc, t10d BCASTW 0, t8d %if a_shift psllw m%+van, m0, a_shift ; a * (mmsize / 2) %endif pmullw m0, m_index psubw m%+vc, m0 ; c - a * i mov t0d, t8d ; a sar t0d, 31 xor t8d, t0d sub t8d, t0d ; abs_a mov t0d, t9d ; b mov t10d, t9d sar t0d, 31 xor t10d, t0d sub t10d, t0d ; abs_b %if !ARCH_X86_64 shl t10d, 16 or t8d, t10d ; abs_ab %endif shl t4d, 1 + %1 add t4, rsp %if ARCH_X86_64 shl t5d, 1 + %1 add t5, rsp %endif cmp t4, dn_addr jz .single_line %if ARCH_X86_64 || !a_shift CALC_VBA %1, vba,van, t9 %endif test t6d, t6d jz .generic_first mov t2d, 64 sub t2d, t6d ; 64 - up_pos add t6d, 64 ; 64 + up_pos FILL_BORDER_LINE %1, t4,t8,t9,t10,t2,t6, vc,van,zero, t0,t1, 0,1,2,3,4,6 %if !ARCH_X86_64 mov t5, dn_addr %if a_shift CALC_VBA %1, vba,van, t9 %endif %endif psubw m%+vc, m%+vba add t4, 2 << %1 cmp t4, t5 jge .end_loop %if !ARCH_X86_64 jmp .bulk_fill %endif .generic_first: %if !ARCH_X86_64 mov t5, dn_addr %if a_shift CALC_VBA %1, vba,van, t9 %endif %endif .bulk_fill: mov t2d, 1 << (13 - %1) mov t0d, t9d ; b sar t0d, 1 sub t2d, t0d ; base %if ARCH_X86_64 mov t0d, t10d ; abs_b cmp t0d, t8d ; abs_a cmovg t0d, t8d %else mov t0d, t8d ; abs_ab shr t0d, 16 ; abs_b cmp t0w, t8w cmovg t0w, t8w %endif add t0d, 2 sar t0d, 2 ; dc sub t2d, t0d ; base - dc add t0d, t0d ; 2 * dc BCASTW 2, t0d %if ARCH_X86_64 BCASTW 3, t2d paddw m%+vc, m3 %else BCASTW 0, t2d paddw m%+vc, m0 %if !PIC mova m%+full, [words_tile%2] %else mov t0d, 0x10001 << (14 - %1) BCASTD full, t0d %endif %endif .internal_loop: %assign i 0 %rep (2 << %1) / mmsize %if i psubw m%+vc, m%+van %endif CALC_LINE %1, 0, vc,2, zero,full, 1 paddw m0, [t4 + i] mova [t4 + i], m0 %assign i i + mmsize %endrep psubw m%+vc, m%+vba add t4, 2 << %1 cmp t4, t5 jl .internal_loop %if ARCH_X86_64 psubw m%+vc, m3 %else BCASTW 0, t2d psubw m%+vc, m0 %endif .end_loop: %if ARCH_X86_64 test t7d, t7d jz .end_line_loop xor t6d, t6d %else mov t2d, dn_pos test t2d, t2d jz .end_line_loop mov t6d, t2d jmp .last_line %endif .single_line: %if !ARCH_X86_64 mov t7d, dn_pos %endif mov t2d, t7d sub t2d, t6d ; dn_pos - up_pos add t6d, t7d ; dn_pos + up_pos .last_line: FILL_BORDER_LINE %1, t4,t8,t9,t10,t2,t6, vc,van,zero, t0,t1, 0,1,2,3,4,6 .end_line_loop: %if ARCH_X86_64 add r2, line_size sub r3, 1 %else sub dword [args + 12], 1 %endif jnz .line_loop %if !ARCH_X86_64 mov r0, [args] mov r1, [args + 4] %endif mov r2, rsp lea r3, [delta] SAVE_RESULT %1, r0,r1,r2,r3, r4,t2, 0,1,2,3 RET %endmacro INIT_XMM sse2 FILL_GENERIC_TILE 4,16 FILL_GENERIC_TILE 5,32 INIT_YMM avx2 FILL_GENERIC_TILE 4,16 FILL_GENERIC_TILE 5,32 ;------------------------------------------------------------------------------ ; MERGE_LINE 1:dst, 2:src, 3:m_tmp, 4:size ;------------------------------------------------------------------------------ %macro MERGE_LINE 4 %if ((%4) & (mmsize - 1)) == 0 %assign %%i 0 %rep (%4) / mmsize mova m%3, [%1 + %%i] pmaxub m%3, [%2 + %%i] mova [%1 + %%i], m%3 %assign %%i %%i + mmsize %endrep %elif (%4) == 16 mova xm%3, [%1] pmaxub xm%3, [%2] mova [%1], xm%3 %else %error "invalid line size" %endif %endmacro ;------------------------------------------------------------------------------ ; MERGE_TILE 1:tile_order, 2:suffix ; void merge_tile%2(uint8_t *buf, ptrdiff_t stride, const uint8_t *tile); ;------------------------------------------------------------------------------ %macro MERGE_TILE 2 cglobal merge_tile%2, 3,3,1 %assign %%offs 0 %rep (1 << %1) - 1 MERGE_LINE r0, r2 + %%offs, 0, 1 << %1 add r0, r1 %assign %%offs %%offs + (1 << %1) %endrep MERGE_LINE r0, r2 + %%offs, 0, 1 << %1 RET %endmacro INIT_XMM sse2 MERGE_TILE 4,16 MERGE_TILE 5,32 INIT_YMM avx2 MERGE_TILE 4,16 MERGE_TILE 5,32 libass-0.17.1/libass/x86/utils.asm0000644060175106017510000000730414335161336013571 00000000000000;****************************************************************************** ;* utils.asm: helper macros ;****************************************************************************** ;* Copyright (C) 2014 Vabishchevich Nikolay ;* ;* This file is part of libass. ;* ;* Permission to use, copy, modify, and distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;****************************************************************************** %include "x86/x86inc.asm" ;------------------------------------------------------------------------------ ; MUL 1:reg, 2:num ; Multiply by constant ;------------------------------------------------------------------------------ %macro MUL 2 %if (%2) == 0 xor %1, %1 %elif (%2) == 1 %elif (%2) == 2 add %1, %1 ; lea %1, [%1 + %1] %elif (%2) == 3 lea %1, [%1 + 2 * %1] %elif (%2) == 4 lea %1, [4 * %1] ; shl %1, 2 %elif (%2) == 5 lea %1, [%1 + 4 * %1] %elif (%2) == 8 lea %1, [8 * %1] ; shl %1, 3 %elif (%2) == 9 lea %1, [%1 + 8 * %1] %elif (%2) == 16 shl %1, 4 %elif (%2) == 32 shl %1, 5 %elif (%2) == 64 shl %1, 6 %elif (%2) == 128 shl %1, 7 %elif (%2) == 256 shl %1, 8 %else imul %1, %2 %endif %endmacro ;------------------------------------------------------------------------------ ; BCASTW 1:m_dst, 2:r_src ;------------------------------------------------------------------------------ %macro BCASTW 2 movd xm%1, %2 %if mmsize == 32 vpbroadcastw m%1, xm%1 %else punpcklwd m%1, m%1 pshufd m%1, m%1, q0000 %endif %endmacro ;------------------------------------------------------------------------------ ; BCASTD 1:m_dst, 2:r_src ;------------------------------------------------------------------------------ %macro BCASTD 2 movd xm%1, %2 %if mmsize == 32 vpbroadcastd m%1, xm%1 %else pshufd m%1, m%1, q0000 %endif %endmacro ;------------------------------------------------------------------------------ ; PABSW 1:m_reg, 2:m_tmp ;------------------------------------------------------------------------------ %macro PABSW 2 %if cpuflag(ssse3) pabsw m%1, m%1 %else pxor m%2, m%2 psubw m%2, m%1 pmaxsw m%1, m%2 %endif %endmacro ;------------------------------------------------------------------------------ ; PALIGNR 1:m_dst, 2:m_src1, 3:m_src2, 4:m_tmp, 5:amount ;------------------------------------------------------------------------------ %macro PALIGNR 5 %if (%5) == 0 %ifnidn %1, %3 mova %1, %3 %endif %elif mmsize == 32 palignr %1, %2, %3, %5 %elif cpuflag(ssse3) %ifnidn %1, %3 palignr %1, %2, %3, %5 %elifidn %2, %4 palignr %2, %3, %5 mova %1, %2 %else mova %4, %3 palignr %1, %2, %4, %5 %endif %elif (%5) == 8 %ifnidn %1, %2 shufpd %1, %3, %2, 5 %elifidn %3, %4 shufpd %3, %2, 5 mova %1, %3 %else mova %4, %2 shufpd %1, %3, %4, 5 %endif %else %assign %%flip 0 %ifidn %1, %3 %assign %%flip 1 %endif %ifidn %2, %4 %assign %%flip 1 %endif %if %%flip pslldq %4, %2, 16 - (%5) psrldq %1, %3, %5 %else pslldq %1, %2, 16 - (%5) psrldq %4, %3, %5 %endif por %1, %4 %endif %endmacro libass-0.17.1/libass/x86/x86inc.asm0000644060175106017510000015204314335161336013551 00000000000000;***************************************************************************** ;* x86inc.asm: x86 abstraction layer ;***************************************************************************** ;* Copyright (C) 2005-2020 x264 project ;* ;* Authors: Loren Merritt ;* Henrik Gramner ;* Anton Mitrofanov ;* Fiona Glaser ;* ;* Permission to use, copy, modify, and/or distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above ;* copyright notice and this permission notice appear in all copies. ;* ;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES ;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF ;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF ;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ;***************************************************************************** ; This is a header file for the x86inc.asm assembly language, which uses ; NASM/YASM syntax combined with a large number of macros to provide easy ; abstraction between different calling conventions (x86_32, win64, linux64). ; It also has various other useful features to simplify writing the kind of ; DSP functions that are most often used. %ifndef private_prefix %error private_prefix not defined %endif %ifndef public_prefix %define public_prefix private_prefix %endif %ifndef STACK_ALIGNMENT %if ARCH_X86_64 %define STACK_ALIGNMENT 16 %else %define STACK_ALIGNMENT 4 %endif %endif %define WIN64 0 %define UNIX64 0 %if ARCH_X86_64 %ifidn __OUTPUT_FORMAT__,win32 %define WIN64 1 %elifidn __OUTPUT_FORMAT__,win64 %define WIN64 1 %elifidn __OUTPUT_FORMAT__,x64 %define WIN64 1 %else %define UNIX64 1 %endif %endif %define FORMAT_ELF 0 %define FORMAT_MACHO 0 %ifidn __OUTPUT_FORMAT__,elf %define FORMAT_ELF 1 %elifidn __OUTPUT_FORMAT__,elf32 %define FORMAT_ELF 1 %elifidn __OUTPUT_FORMAT__,elf64 %define FORMAT_ELF 1 %elifidn __OUTPUT_FORMAT__,macho %define FORMAT_MACHO 1 %elifidn __OUTPUT_FORMAT__,macho32 %define FORMAT_MACHO 1 %elifidn __OUTPUT_FORMAT__,macho64 %define FORMAT_MACHO 1 %endif %ifdef PREFIX %define mangle(x) _ %+ x %else %define mangle(x) x %endif %macro SECTION_RODATA 0-1 16 %ifidn __OUTPUT_FORMAT__,win32 SECTION .rdata align=%1 %elif WIN64 SECTION .rdata align=%1 %else SECTION .rodata align=%1 %endif %endmacro %if ARCH_X86_64 %define PIC 1 ; always use PIC on x86-64 default rel %elifidn __OUTPUT_FORMAT__,win32 %define PIC 0 ; PIC isn't used on 32-bit Windows %elifndef PIC %define PIC 0 %endif %define HAVE_PRIVATE_EXTERN 1 %ifdef __NASM_VER__ %use smartalign %if __NASM_VERSION_ID__ < 0x020e0000 ; 2.14 %define HAVE_PRIVATE_EXTERN 0 %endif %endif ; Macros to eliminate most code duplication between x86_32 and x86_64: ; Currently this works only for leaf functions which load all their arguments ; into registers at the start, and make no other use of the stack. Luckily that ; covers most use cases. ; PROLOGUE: ; %1 = number of arguments. loads them from stack if needed. ; %2 = number of registers used. pushes callee-saved regs if needed. ; %3 = number of xmm registers used. pushes callee-saved xmm regs if needed. ; %4 = (optional) stack size to be allocated. The stack will be aligned before ; allocating the specified stack size. If the required stack alignment is ; larger than the known stack alignment the stack will be manually aligned ; and an extra register will be allocated to hold the original stack ; pointer (to not invalidate r0m etc.). To prevent the use of an extra ; register as stack pointer, request a negative stack size. ; %4+/%5+ = list of names to define to registers ; PROLOGUE can also be invoked by adding the same options to cglobal ; e.g. ; cglobal foo, 2,3,7,0x40, dst, src, tmp ; declares a function (foo) that automatically loads two arguments (dst and ; src) into registers, uses one additional register (tmp) plus 7 vector ; registers (m0-m6) and allocates 0x40 bytes of stack space. ; TODO Some functions can use some args directly from the stack. If they're the ; last args then you can just not declare them, but if they're in the middle ; we need more flexible macro. ; RET: ; Pops anything that was pushed by PROLOGUE, and returns. ; REP_RET: ; Use this instead of RET if it's a branch target. ; registers: ; rN and rNq are the native-size register holding function argument N ; rNd, rNw, rNb are dword, word, and byte size ; rNh is the high 8 bits of the word size ; rNm is the original location of arg N (a register or on the stack), dword ; rNmp is native size %macro DECLARE_REG 2-3 %define r%1q %2 %define r%1d %2d %define r%1w %2w %define r%1b %2b %define r%1h %2h %define %2q %2 %if %0 == 2 %define r%1m %2d %define r%1mp %2 %elif ARCH_X86_64 ; memory %define r%1m [rstk + stack_offset + %3] %define r%1mp qword r %+ %1 %+ m %else %define r%1m [rstk + stack_offset + %3] %define r%1mp dword r %+ %1 %+ m %endif %define r%1 %2 %endmacro %macro DECLARE_REG_SIZE 3 %define r%1q r%1 %define e%1q r%1 %define r%1d e%1 %define e%1d e%1 %define r%1w %1 %define e%1w %1 %define r%1h %3 %define e%1h %3 %define r%1b %2 %define e%1b %2 %if ARCH_X86_64 == 0 %define r%1 e%1 %endif %endmacro DECLARE_REG_SIZE ax, al, ah DECLARE_REG_SIZE bx, bl, bh DECLARE_REG_SIZE cx, cl, ch DECLARE_REG_SIZE dx, dl, dh DECLARE_REG_SIZE si, sil, null DECLARE_REG_SIZE di, dil, null DECLARE_REG_SIZE bp, bpl, null ; t# defines for when per-arch register allocation is more complex than just function arguments %macro DECLARE_REG_TMP 1-* %assign %%i 0 %rep %0 CAT_XDEFINE t, %%i, r%1 %assign %%i %%i+1 %rotate 1 %endrep %endmacro %macro DECLARE_REG_TMP_SIZE 0-* %rep %0 %define t%1q t%1 %+ q %define t%1d t%1 %+ d %define t%1w t%1 %+ w %define t%1h t%1 %+ h %define t%1b t%1 %+ b %rotate 1 %endrep %endmacro DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 %if ARCH_X86_64 %define gprsize 8 %else %define gprsize 4 %endif %macro LEA 2 %if ARCH_X86_64 lea %1, [%2] %elif PIC call $+5 ; special-cased to not affect the RSB on most CPU:s pop %1 add %1, (%2)-$+1 %else mov %1, %2 %endif %endmacro %macro PUSH 1 push %1 %ifidn rstk, rsp %assign stack_offset stack_offset+gprsize %endif %endmacro %macro POP 1 pop %1 %ifidn rstk, rsp %assign stack_offset stack_offset-gprsize %endif %endmacro %macro PUSH_IF_USED 1-* %rep %0 %if %1 < regs_used PUSH r%1 %endif %rotate 1 %endrep %endmacro %macro POP_IF_USED 1-* %rep %0 %if %1 < regs_used pop r%1 %endif %rotate 1 %endrep %endmacro %macro LOAD_IF_USED 1-* %rep %0 %if %1 < num_args mov r%1, r %+ %1 %+ mp %endif %rotate 1 %endrep %endmacro %macro SUB 2 sub %1, %2 %ifidn %1, rstk %assign stack_offset stack_offset+(%2) %endif %endmacro %macro ADD 2 add %1, %2 %ifidn %1, rstk %assign stack_offset stack_offset-(%2) %endif %endmacro %macro movifnidn 2 %ifnidn %1, %2 mov %1, %2 %endif %endmacro %if ARCH_X86_64 == 0 %define movsxd movifnidn %endif %macro movsxdifnidn 2 %ifnidn %1, %2 movsxd %1, %2 %endif %endmacro %macro ASSERT 1 %if (%1) == 0 %error assertion ``%1'' failed %endif %endmacro %macro DEFINE_ARGS 0-* %ifdef n_arg_names %assign %%i 0 %rep n_arg_names CAT_UNDEF arg_name %+ %%i, q CAT_UNDEF arg_name %+ %%i, d CAT_UNDEF arg_name %+ %%i, w CAT_UNDEF arg_name %+ %%i, h CAT_UNDEF arg_name %+ %%i, b CAT_UNDEF arg_name %+ %%i, m CAT_UNDEF arg_name %+ %%i, mp CAT_UNDEF arg_name, %%i %assign %%i %%i+1 %endrep %endif %xdefine %%stack_offset stack_offset %undef stack_offset ; so that the current value of stack_offset doesn't get baked in by xdefine %assign %%i 0 %rep %0 %xdefine %1q r %+ %%i %+ q %xdefine %1d r %+ %%i %+ d %xdefine %1w r %+ %%i %+ w %xdefine %1h r %+ %%i %+ h %xdefine %1b r %+ %%i %+ b %xdefine %1m r %+ %%i %+ m %xdefine %1mp r %+ %%i %+ mp CAT_XDEFINE arg_name, %%i, %1 %assign %%i %%i+1 %rotate 1 %endrep %xdefine stack_offset %%stack_offset %assign n_arg_names %0 %endmacro %define required_stack_alignment ((mmsize + 15) & ~15) %define vzeroupper_required (mmsize > 16 && (ARCH_X86_64 == 0 || xmm_regs_used > 16 || notcpuflag(avx512))) %define high_mm_regs (16*cpuflag(avx512)) %macro ALLOC_STACK 0-2 0, 0 ; stack_size, n_xmm_regs (for win64 only) %ifnum %1 %if %1 != 0 %assign %%pad 0 %assign stack_size %1 %if stack_size < 0 %assign stack_size -stack_size %endif %if WIN64 %assign %%pad %%pad + 32 ; shadow space %if mmsize != 8 %assign xmm_regs_used %2 %if xmm_regs_used > 8 %assign %%pad %%pad + (xmm_regs_used-8)*16 ; callee-saved xmm registers %endif %endif %endif %if required_stack_alignment <= STACK_ALIGNMENT ; maintain the current stack alignment %assign stack_size_padded stack_size + %%pad + ((-%%pad-stack_offset-gprsize) & (STACK_ALIGNMENT-1)) SUB rsp, stack_size_padded %else %assign %%reg_num (regs_used - 1) %xdefine rstk r %+ %%reg_num ; align stack, and save original stack location directly above ; it, i.e. in [rsp+stack_size_padded], so we can restore the ; stack in a single instruction (i.e. mov rsp, rstk or mov ; rsp, [rsp+stack_size_padded]) %if %1 < 0 ; need to store rsp on stack %xdefine rstkm [rsp + stack_size + %%pad] %assign %%pad %%pad + gprsize %else ; can keep rsp in rstk during whole function %xdefine rstkm rstk %endif %assign stack_size_padded stack_size + ((%%pad + required_stack_alignment-1) & ~(required_stack_alignment-1)) mov rstk, rsp and rsp, ~(required_stack_alignment-1) sub rsp, stack_size_padded movifnidn rstkm, rstk %endif WIN64_PUSH_XMM %endif %endif %endmacro %macro SETUP_STACK_POINTER 0-1 0 %ifnum %1 %if %1 != 0 && required_stack_alignment > STACK_ALIGNMENT %if %1 > 0 ; Reserve an additional register for storing the original stack pointer, but avoid using ; eax/rax for this purpose since it can potentially get overwritten as a return value. %assign regs_used (regs_used + 1) %if ARCH_X86_64 && regs_used == 7 %assign regs_used 8 %elif ARCH_X86_64 == 0 && regs_used == 1 %assign regs_used 2 %endif %endif %if ARCH_X86_64 && regs_used < 5 + UNIX64 * 3 ; Ensure that we don't clobber any registers containing arguments. For UNIX64 we also preserve r6 (rax) ; since it's used as a hidden argument in vararg functions to specify the number of vector registers used. %assign regs_used 5 + UNIX64 * 3 %endif %endif %endif %endmacro %if WIN64 ; Windows x64 ;================================================= DECLARE_REG 0, rcx DECLARE_REG 1, rdx DECLARE_REG 2, R8 DECLARE_REG 3, R9 DECLARE_REG 4, R10, 40 DECLARE_REG 5, R11, 48 DECLARE_REG 6, rax, 56 DECLARE_REG 7, rdi, 64 DECLARE_REG 8, rsi, 72 DECLARE_REG 9, rbx, 80 DECLARE_REG 10, rbp, 88 DECLARE_REG 11, R14, 96 DECLARE_REG 12, R15, 104 DECLARE_REG 13, R12, 112 DECLARE_REG 14, R13, 120 %macro PROLOGUE 2-5+ 0, 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names... %assign num_args %1 %assign regs_used %2 ASSERT regs_used >= num_args SETUP_STACK_POINTER %4 ASSERT regs_used <= 15 PUSH_IF_USED 7, 8, 9, 10, 11, 12, 13, 14 ALLOC_STACK %4, %3 %if mmsize != 8 && stack_size == 0 WIN64_SPILL_XMM %3 %endif LOAD_IF_USED 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 %if %0 > 4 %ifnum %4 DEFINE_ARGS %5 %else DEFINE_ARGS %4, %5 %endif %elifnnum %4 DEFINE_ARGS %4 %endif %endmacro %macro WIN64_PUSH_XMM 0 ; Use the shadow space to store XMM6 and XMM7, the rest needs stack space allocated. %if xmm_regs_used > 6 + high_mm_regs movaps [rstk + stack_offset + 8], xmm6 %endif %if xmm_regs_used > 7 + high_mm_regs movaps [rstk + stack_offset + 24], xmm7 %endif %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 %if %%xmm_regs_on_stack > 0 %assign %%i 8 %rep %%xmm_regs_on_stack movaps [rsp + (%%i-8)*16 + stack_size + 32], xmm %+ %%i %assign %%i %%i+1 %endrep %endif %endmacro %macro WIN64_SPILL_XMM 1 %assign xmm_regs_used %1 ASSERT xmm_regs_used <= 16 + high_mm_regs %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 %if %%xmm_regs_on_stack > 0 ; Allocate stack space for callee-saved xmm registers plus shadow space and align the stack. %assign %%pad %%xmm_regs_on_stack*16 + 32 %assign stack_size_padded %%pad + ((-%%pad-stack_offset-gprsize) & (STACK_ALIGNMENT-1)) SUB rsp, stack_size_padded %endif WIN64_PUSH_XMM %endmacro %macro WIN64_RESTORE_XMM_INTERNAL 0 %assign %%pad_size 0 %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 %if %%xmm_regs_on_stack > 0 %assign %%i xmm_regs_used - high_mm_regs %rep %%xmm_regs_on_stack %assign %%i %%i-1 movaps xmm %+ %%i, [rsp + (%%i-8)*16 + stack_size + 32] %endrep %endif %if stack_size_padded > 0 %if stack_size > 0 && required_stack_alignment > STACK_ALIGNMENT mov rsp, rstkm %else add rsp, stack_size_padded %assign %%pad_size stack_size_padded %endif %endif %if xmm_regs_used > 7 + high_mm_regs movaps xmm7, [rsp + stack_offset - %%pad_size + 24] %endif %if xmm_regs_used > 6 + high_mm_regs movaps xmm6, [rsp + stack_offset - %%pad_size + 8] %endif %endmacro %macro WIN64_RESTORE_XMM 0 WIN64_RESTORE_XMM_INTERNAL %assign stack_offset (stack_offset-stack_size_padded) %assign stack_size_padded 0 %assign xmm_regs_used 0 %endmacro %define has_epilogue regs_used > 7 || stack_size > 0 || vzeroupper_required || xmm_regs_used > 6+high_mm_regs %macro RET 0 WIN64_RESTORE_XMM_INTERNAL POP_IF_USED 14, 13, 12, 11, 10, 9, 8, 7 %if vzeroupper_required vzeroupper %endif AUTO_REP_RET %endmacro %elif ARCH_X86_64 ; *nix x64 ;============================================= DECLARE_REG 0, rdi DECLARE_REG 1, rsi DECLARE_REG 2, rdx DECLARE_REG 3, rcx DECLARE_REG 4, R8 DECLARE_REG 5, R9 DECLARE_REG 6, rax, 8 DECLARE_REG 7, R10, 16 DECLARE_REG 8, R11, 24 DECLARE_REG 9, rbx, 32 DECLARE_REG 10, rbp, 40 DECLARE_REG 11, R14, 48 DECLARE_REG 12, R15, 56 DECLARE_REG 13, R12, 64 DECLARE_REG 14, R13, 72 %macro PROLOGUE 2-5+ 0, 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names... %assign num_args %1 %assign regs_used %2 %assign xmm_regs_used %3 ASSERT regs_used >= num_args SETUP_STACK_POINTER %4 ASSERT regs_used <= 15 PUSH_IF_USED 9, 10, 11, 12, 13, 14 ALLOC_STACK %4 LOAD_IF_USED 6, 7, 8, 9, 10, 11, 12, 13, 14 %if %0 > 4 %ifnum %4 DEFINE_ARGS %5 %else DEFINE_ARGS %4, %5 %endif %elifnnum %4 DEFINE_ARGS %4 %endif %endmacro %define has_epilogue regs_used > 9 || stack_size > 0 || vzeroupper_required %macro RET 0 %if stack_size_padded > 0 %if required_stack_alignment > STACK_ALIGNMENT mov rsp, rstkm %else add rsp, stack_size_padded %endif %endif POP_IF_USED 14, 13, 12, 11, 10, 9 %if vzeroupper_required vzeroupper %endif AUTO_REP_RET %endmacro %else ; X86_32 ;============================================================== DECLARE_REG 0, eax, 4 DECLARE_REG 1, ecx, 8 DECLARE_REG 2, edx, 12 DECLARE_REG 3, ebx, 16 DECLARE_REG 4, esi, 20 DECLARE_REG 5, edi, 24 DECLARE_REG 6, ebp, 28 %define rsp esp %macro DECLARE_ARG 1-* %rep %0 %define r%1m [rstk + stack_offset + 4*%1 + 4] %define r%1mp dword r%1m %rotate 1 %endrep %endmacro DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14 %macro PROLOGUE 2-5+ 0, 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names... %assign num_args %1 %assign regs_used %2 ASSERT regs_used >= num_args %if num_args > 7 %assign num_args 7 %endif %if regs_used > 7 %assign regs_used 7 %endif SETUP_STACK_POINTER %4 ASSERT regs_used <= 7 PUSH_IF_USED 3, 4, 5, 6 ALLOC_STACK %4 LOAD_IF_USED 0, 1, 2, 3, 4, 5, 6 %if %0 > 4 %ifnum %4 DEFINE_ARGS %5 %else DEFINE_ARGS %4, %5 %endif %elifnnum %4 DEFINE_ARGS %4 %endif %endmacro %define has_epilogue regs_used > 3 || stack_size > 0 || vzeroupper_required %macro RET 0 %if stack_size_padded > 0 %if required_stack_alignment > STACK_ALIGNMENT mov rsp, rstkm %else add rsp, stack_size_padded %endif %endif POP_IF_USED 6, 5, 4, 3 %if vzeroupper_required vzeroupper %endif AUTO_REP_RET %endmacro %endif ;====================================================================== %if WIN64 == 0 %macro WIN64_SPILL_XMM 1 %assign xmm_regs_used %1 %endmacro %macro WIN64_RESTORE_XMM 0 %assign xmm_regs_used 0 %endmacro %macro WIN64_PUSH_XMM 0 %endmacro %endif ; On AMD cpus <=K10, an ordinary ret is slow if it immediately follows either ; a branch or a branch target. So switch to a 2-byte form of ret in that case. ; We can automatically detect "follows a branch", but not a branch target. ; (SSSE3 is a sufficient condition to know that your cpu doesn't have this problem.) %macro REP_RET 0 %if has_epilogue || cpuflag(ssse3) RET %else rep ret %endif annotate_function_size %endmacro %define last_branch_adr $$ %macro AUTO_REP_RET 0 %if notcpuflag(ssse3) times ((last_branch_adr-$)>>31)+1 rep ; times 1 iff $ == last_branch_adr. %endif ret annotate_function_size %endmacro %macro BRANCH_INSTR 0-* %rep %0 %macro %1 1-2 %1 %2 %1 %if notcpuflag(ssse3) %%branch_instr equ $ %xdefine last_branch_adr %%branch_instr %endif %endmacro %rotate 1 %endrep %endmacro BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, jna, jnae, jb, jbe, jnb, jnbe, jc, jnc, js, jns, jo, jno, jp, jnp %macro TAIL_CALL 1-2 1 ; callee, is_nonadjacent %if has_epilogue call %1 RET %elif %2 jmp %1 %endif annotate_function_size %endmacro ;============================================================================= ; arch-independent part ;============================================================================= %assign function_align 16 ; Begin a function. ; Applies any symbol mangling needed for C linkage, and sets up a define such that ; subsequent uses of the function name automatically refer to the mangled version. ; Appends cpuflags to the function name if cpuflags has been specified. ; The "" empty default parameter is a workaround for nasm, which fails if SUFFIX ; is empty and we call cglobal_internal with just %1 %+ SUFFIX (without %2). %macro cglobal 1-2+ "" ; name, [PROLOGUE args] cglobal_internal 1, %1 %+ SUFFIX, %2 %endmacro %macro cvisible 1-2+ "" ; name, [PROLOGUE args] cglobal_internal 0, %1 %+ SUFFIX, %2 %endmacro %macro cglobal_internal 2-3+ annotate_function_size %ifndef cglobaled_%2 %if %1 %xdefine %2 mangle(private_prefix %+ _ %+ %2) %else %xdefine %2 mangle(public_prefix %+ _ %+ %2) %endif %xdefine %2.skip_prologue %2 %+ .skip_prologue CAT_XDEFINE cglobaled_, %2, 1 %endif %xdefine current_function %2 %xdefine current_function_section __SECT__ %if FORMAT_ELF %if %1 global %2:function hidden %else global %2:function %endif %elif FORMAT_MACHO && HAVE_PRIVATE_EXTERN && %1 global %2:private_extern %else global %2 %endif align function_align %2: RESET_MM_PERMUTATION ; needed for x86-64, also makes disassembly somewhat nicer %xdefine rstk rsp ; copy of the original stack pointer, used when greater alignment than the known stack alignment is required %assign stack_offset 0 ; stack pointer offset relative to the return address %assign stack_size 0 ; amount of stack space that can be freely used inside a function %assign stack_size_padded 0 ; total amount of allocated stack space, including space for callee-saved xmm registers on WIN64 and alignment padding %assign xmm_regs_used 0 ; number of XMM registers requested, used for dealing with callee-saved registers on WIN64 and vzeroupper %ifnidn %3, "" PROLOGUE %3 %endif %endmacro ; Create a global symbol from a local label with the correct name mangling and type %macro cglobal_label 1 %if FORMAT_ELF global current_function %+ %1:function hidden %elif FORMAT_MACHO && HAVE_PRIVATE_EXTERN global current_function %+ %1:private_extern %else global current_function %+ %1 %endif %1: %endmacro %macro cextern 1 %xdefine %1 mangle(private_prefix %+ _ %+ %1) CAT_XDEFINE cglobaled_, %1, 1 extern %1 %endmacro ; like cextern, but without the prefix %macro cextern_naked 1 %ifdef PREFIX %xdefine %1 mangle(%1) %endif CAT_XDEFINE cglobaled_, %1, 1 extern %1 %endmacro %macro const 1-2+ %xdefine %1 mangle(private_prefix %+ _ %+ %1) %if FORMAT_ELF global %1:data hidden %elif FORMAT_MACHO && HAVE_PRIVATE_EXTERN global %1:private_extern %else global %1 %endif %1: %2 %endmacro ; This is needed for ELF, otherwise the GNU linker assumes the stack is executable by default. %if FORMAT_ELF [SECTION .note.GNU-stack noalloc noexec nowrite progbits] %endif ; Tell debuggers how large the function was. ; This may be invoked multiple times per function; we rely on later instances overriding earlier ones. ; This is invoked by RET and similar macros, and also cglobal does it for the previous function, ; but if the last function in a source file doesn't use any of the standard macros for its epilogue, ; then its size might be unspecified. %macro annotate_function_size 0 %ifdef __YASM_VER__ %ifdef current_function %if FORMAT_ELF current_function_section %%ecf equ $ size current_function %%ecf - current_function __SECT__ %endif %endif %endif %endmacro ; cpuflags %assign cpuflags_mmx (1<<0) %assign cpuflags_mmx2 (1<<1) | cpuflags_mmx %assign cpuflags_3dnow (1<<2) | cpuflags_mmx %assign cpuflags_3dnowext (1<<3) | cpuflags_3dnow %assign cpuflags_sse (1<<4) | cpuflags_mmx2 %assign cpuflags_sse2 (1<<5) | cpuflags_sse %assign cpuflags_sse2slow (1<<6) | cpuflags_sse2 %assign cpuflags_lzcnt (1<<7) | cpuflags_sse2 %assign cpuflags_sse3 (1<<8) | cpuflags_sse2 %assign cpuflags_ssse3 (1<<9) | cpuflags_sse3 %assign cpuflags_sse4 (1<<10) | cpuflags_ssse3 %assign cpuflags_sse42 (1<<11) | cpuflags_sse4 %assign cpuflags_aesni (1<<12) | cpuflags_sse42 %assign cpuflags_gfni (1<<13) | cpuflags_sse42 %assign cpuflags_avx (1<<14) | cpuflags_sse42 %assign cpuflags_xop (1<<15) | cpuflags_avx %assign cpuflags_fma4 (1<<16) | cpuflags_avx %assign cpuflags_fma3 (1<<17) | cpuflags_avx %assign cpuflags_bmi1 (1<<18) | cpuflags_avx|cpuflags_lzcnt %assign cpuflags_bmi2 (1<<19) | cpuflags_bmi1 %assign cpuflags_avx2 (1<<20) | cpuflags_fma3|cpuflags_bmi2 %assign cpuflags_avx512 (1<<21) | cpuflags_avx2 ; F, CD, BW, DQ, VL %assign cpuflags_avx512icl (1<<22) | cpuflags_avx512|cpuflags_gfni ; VNNI, IFMA, VBMI, VBMI2, VPOPCNTDQ, BITALG, VAES, VPCLMULQDQ %assign cpuflags_cache32 (1<<23) %assign cpuflags_cache64 (1<<24) %assign cpuflags_aligned (1<<25) ; not a cpu feature, but a function variant %assign cpuflags_atom (1<<26) ; Returns a boolean value expressing whether or not the specified cpuflag is enabled. %define cpuflag(x) (((((cpuflags & (cpuflags_ %+ x)) ^ (cpuflags_ %+ x)) - 1) >> 31) & 1) %define notcpuflag(x) (cpuflag(x) ^ 1) ; Takes an arbitrary number of cpuflags from the above list. ; All subsequent functions (up to the next INIT_CPUFLAGS) is built for the specified cpu. ; You shouldn't need to invoke this macro directly, it's a subroutine for INIT_MMX &co. %macro INIT_CPUFLAGS 0-* %xdefine SUFFIX %undef cpuname %assign cpuflags 0 %if %0 >= 1 %rep %0 %ifdef cpuname %xdefine cpuname cpuname %+ _%1 %else %xdefine cpuname %1 %endif %assign cpuflags cpuflags | cpuflags_%1 %rotate 1 %endrep %xdefine SUFFIX _ %+ cpuname %if cpuflag(avx) %assign avx_enabled 1 %endif %if (mmsize == 16 && notcpuflag(sse2)) || (mmsize == 32 && notcpuflag(avx2)) %define mova movaps %define movu movups %define movnta movntps %endif %if cpuflag(aligned) %define movu mova %elif cpuflag(sse3) && notcpuflag(ssse3) %define movu lddqu %endif %endif %if ARCH_X86_64 || cpuflag(sse2) %ifdef __NASM_VER__ ALIGNMODE p6 %else CPU amdnop %endif %else %ifdef __NASM_VER__ ALIGNMODE nop %else CPU basicnop %endif %endif %endmacro ; Merge mmx, sse*, and avx* ; m# is a simd register of the currently selected size ; xm# is the corresponding xmm register if mmsize >= 16, otherwise the same as m# ; ym# is the corresponding ymm register if mmsize >= 32, otherwise the same as m# ; zm# is the corresponding zmm register if mmsize >= 64, otherwise the same as m# ; (All 4 remain in sync through SWAP.) %macro CAT_XDEFINE 3 %xdefine %1%2 %3 %endmacro %macro CAT_UNDEF 2 %undef %1%2 %endmacro %macro DEFINE_MMREGS 1 ; mmtype %assign %%prev_mmregs 0 %ifdef num_mmregs %assign %%prev_mmregs num_mmregs %endif %assign num_mmregs 8 %if ARCH_X86_64 && mmsize >= 16 %assign num_mmregs 16 %if cpuflag(avx512) || mmsize == 64 %assign num_mmregs 32 %endif %endif %assign %%i 0 %rep num_mmregs CAT_XDEFINE m, %%i, %1 %+ %%i CAT_XDEFINE nn%1, %%i, %%i %assign %%i %%i+1 %endrep %if %%prev_mmregs > num_mmregs %rep %%prev_mmregs - num_mmregs CAT_UNDEF m, %%i CAT_UNDEF nn %+ mmtype, %%i %assign %%i %%i+1 %endrep %endif %xdefine mmtype %1 %endmacro ; Prefer registers 16-31 over 0-15 to avoid having to use vzeroupper %macro AVX512_MM_PERMUTATION 0-1 0 ; start_reg %if ARCH_X86_64 && cpuflag(avx512) %assign %%i %1 %rep 16-%1 %assign %%i_high %%i+16 SWAP %%i, %%i_high %assign %%i %%i+1 %endrep %endif %endmacro %macro INIT_MMX 0-1+ %assign avx_enabled 0 %define RESET_MM_PERMUTATION INIT_MMX %1 %define mmsize 8 %define mova movq %define movu movq %define movh movd %define movnta movntq INIT_CPUFLAGS %1 DEFINE_MMREGS mm %endmacro %macro INIT_XMM 0-1+ %assign avx_enabled 0 %define RESET_MM_PERMUTATION INIT_XMM %1 %define mmsize 16 %define mova movdqa %define movu movdqu %define movh movq %define movnta movntdq INIT_CPUFLAGS %1 DEFINE_MMREGS xmm %if WIN64 AVX512_MM_PERMUTATION 6 ; Swap callee-saved registers with volatile registers %endif %xdefine bcstd 1to4 %xdefine bcstq 1to2 %endmacro %macro INIT_YMM 0-1+ %assign avx_enabled 1 %define RESET_MM_PERMUTATION INIT_YMM %1 %define mmsize 32 %define mova movdqa %define movu movdqu %undef movh %define movnta movntdq INIT_CPUFLAGS %1 DEFINE_MMREGS ymm AVX512_MM_PERMUTATION %xdefine bcstd 1to8 %xdefine bcstq 1to4 %endmacro %macro INIT_ZMM 0-1+ %assign avx_enabled 1 %define RESET_MM_PERMUTATION INIT_ZMM %1 %define mmsize 64 %define mova movdqa %define movu movdqu %undef movh %define movnta movntdq INIT_CPUFLAGS %1 DEFINE_MMREGS zmm AVX512_MM_PERMUTATION %xdefine bcstd 1to16 %xdefine bcstq 1to8 %endmacro INIT_XMM %macro DECLARE_MMCAST 1 %define mmmm%1 mm%1 %define mmxmm%1 mm%1 %define mmymm%1 mm%1 %define mmzmm%1 mm%1 %define xmmmm%1 mm%1 %define xmmxmm%1 xmm%1 %define xmmymm%1 xmm%1 %define xmmzmm%1 xmm%1 %define ymmmm%1 mm%1 %define ymmxmm%1 xmm%1 %define ymmymm%1 ymm%1 %define ymmzmm%1 ymm%1 %define zmmmm%1 mm%1 %define zmmxmm%1 xmm%1 %define zmmymm%1 ymm%1 %define zmmzmm%1 zmm%1 %define xm%1 xmm %+ m%1 %define ym%1 ymm %+ m%1 %define zm%1 zmm %+ m%1 %endmacro %assign i 0 %rep 32 DECLARE_MMCAST i %assign i i+1 %endrep ; I often want to use macros that permute their arguments. e.g. there's no ; efficient way to implement butterfly or transpose or dct without swapping some ; arguments. ; ; I would like to not have to manually keep track of the permutations: ; If I insert a permutation in the middle of a function, it should automatically ; change everything that follows. For more complex macros I may also have multiple ; implementations, e.g. the SSE2 and SSSE3 versions may have different permutations. ; ; Hence these macros. Insert a PERMUTE or some SWAPs at the end of a macro that ; permutes its arguments. It's equivalent to exchanging the contents of the ; registers, except that this way you exchange the register names instead, so it ; doesn't cost any cycles. %macro PERMUTE 2-* ; takes a list of pairs to swap %rep %0/2 %xdefine %%tmp%2 m%2 %rotate 2 %endrep %rep %0/2 %xdefine m%1 %%tmp%2 CAT_XDEFINE nn, m%1, %1 %rotate 2 %endrep %endmacro %macro SWAP 2+ ; swaps a single chain (sometimes more concise than pairs) %ifnum %1 ; SWAP 0, 1, ... SWAP_INTERNAL_NUM %1, %2 %else ; SWAP m0, m1, ... SWAP_INTERNAL_NAME %1, %2 %endif %endmacro %macro SWAP_INTERNAL_NUM 2-* %rep %0-1 %xdefine %%tmp m%1 %xdefine m%1 m%2 %xdefine m%2 %%tmp CAT_XDEFINE nn, m%1, %1 CAT_XDEFINE nn, m%2, %2 %rotate 1 %endrep %endmacro %macro SWAP_INTERNAL_NAME 2-* %xdefine %%args nn %+ %1 %rep %0-1 %xdefine %%args %%args, nn %+ %2 %rotate 1 %endrep SWAP_INTERNAL_NUM %%args %endmacro ; If SAVE_MM_PERMUTATION is placed at the end of a function, then any later ; calls to that function will automatically load the permutation, so values can ; be returned in mmregs. %macro SAVE_MM_PERMUTATION 0-1 %if %0 %xdefine %%f %1_m %else %xdefine %%f current_function %+ _m %endif %assign %%i 0 %rep num_mmregs %xdefine %%tmp m %+ %%i CAT_XDEFINE %%f, %%i, regnumof %+ %%tmp %assign %%i %%i+1 %endrep %endmacro %macro LOAD_MM_PERMUTATION 0-1 ; name to load from %if %0 %xdefine %%f %1_m %else %xdefine %%f current_function %+ _m %endif %xdefine %%tmp %%f %+ 0 %ifnum %%tmp RESET_MM_PERMUTATION AVX512_MM_PERMUTATION %assign %%i 0 %rep num_mmregs %xdefine %%tmp %%f %+ %%i CAT_XDEFINE %%m, %%i, m %+ %%tmp %assign %%i %%i+1 %endrep %rep num_mmregs %assign %%i %%i-1 CAT_XDEFINE m, %%i, %%m %+ %%i CAT_XDEFINE nn, m %+ %%i, %%i %endrep %endif %endmacro ; Append cpuflags to the callee's name iff the appended name is known and the plain name isn't %macro call 1 %ifid %1 call_internal %1 %+ SUFFIX, %1 %else call %1 %endif %endmacro %macro call_internal 2 %xdefine %%i %2 %ifndef cglobaled_%2 %ifdef cglobaled_%1 %xdefine %%i %1 %endif %endif call %%i LOAD_MM_PERMUTATION %%i %endmacro ; Substitutions that reduce instruction size but are functionally equivalent %macro add 2 %ifnum %2 %if %2==128 sub %1, -128 %else add %1, %2 %endif %else add %1, %2 %endif %endmacro %macro sub 2 %ifnum %2 %if %2==128 add %1, -128 %else sub %1, %2 %endif %else sub %1, %2 %endif %endmacro ;============================================================================= ; AVX abstraction layer ;============================================================================= %assign i 0 %rep 32 %if i < 8 CAT_XDEFINE sizeofmm, i, 8 CAT_XDEFINE regnumofmm, i, i %endif CAT_XDEFINE sizeofxmm, i, 16 CAT_XDEFINE sizeofymm, i, 32 CAT_XDEFINE sizeofzmm, i, 64 CAT_XDEFINE regnumofxmm, i, i CAT_XDEFINE regnumofymm, i, i CAT_XDEFINE regnumofzmm, i, i %assign i i+1 %endrep %undef i %macro CHECK_AVX_INSTR_EMU 3-* %xdefine %%opcode %1 %xdefine %%dst %2 %rep %0-2 %ifidn %%dst, %3 %error non-avx emulation of ``%%opcode'' is not supported %endif %rotate 1 %endrep %endmacro ;%1 == instruction ;%2 == minimal instruction set ;%3 == 1 if float, 0 if int ;%4 == 1 if 4-operand emulation, 0 if 3-operand emulation, 255 otherwise (no emulation) ;%5 == 1 if commutative (i.e. doesn't matter which src arg is which), 0 if not ;%6+: operands %macro RUN_AVX_INSTR 6-9+ %ifnum sizeof%7 %assign __sizeofreg sizeof%7 %elifnum sizeof%6 %assign __sizeofreg sizeof%6 %else %assign __sizeofreg mmsize %endif %assign __emulate_avx 0 %if avx_enabled && __sizeofreg >= 16 %xdefine __instr v%1 %else %xdefine __instr %1 %if %0 >= 8+%4 %assign __emulate_avx 1 %endif %endif %ifnidn %2, fnord %ifdef cpuname %if notcpuflag(%2) %error use of ``%1'' %2 instruction in cpuname function: current_function %elif %3 == 0 && __sizeofreg == 16 && notcpuflag(sse2) %error use of ``%1'' sse2 instruction in cpuname function: current_function %elif %3 == 0 && __sizeofreg == 32 && notcpuflag(avx2) %error use of ``%1'' avx2 instruction in cpuname function: current_function %elif __sizeofreg == 16 && notcpuflag(sse) %error use of ``%1'' sse instruction in cpuname function: current_function %elif __sizeofreg == 32 && notcpuflag(avx) %error use of ``%1'' avx instruction in cpuname function: current_function %elif __sizeofreg == 64 && notcpuflag(avx512) %error use of ``%1'' avx512 instruction in cpuname function: current_function %elifidn %1, pextrw ; special case because the base instruction is mmx2, %ifnid %6 ; but sse4 is required for memory operands %if notcpuflag(sse4) %error use of ``%1'' sse4 instruction in cpuname function: current_function %endif %endif %endif %endif %endif %if __emulate_avx %xdefine __src1 %7 %xdefine __src2 %8 %if %5 && %4 == 0 %ifnidn %6, %7 %ifidn %6, %8 %xdefine __src1 %8 %xdefine __src2 %7 %elifnnum sizeof%8 ; 3-operand AVX instructions with a memory arg can only have it in src2, ; whereas SSE emulation prefers to have it in src1 (i.e. the mov). ; So, if the instruction is commutative with a memory arg, swap them. %xdefine __src1 %8 %xdefine __src2 %7 %endif %endif %endif %ifnidn %6, __src1 %if %0 >= 9 CHECK_AVX_INSTR_EMU {%1 %6, %7, %8, %9}, %6, __src2, %9 %else CHECK_AVX_INSTR_EMU {%1 %6, %7, %8}, %6, __src2 %endif %if __sizeofreg == 8 MOVQ %6, __src1 %elif %3 MOVAPS %6, __src1 %else MOVDQA %6, __src1 %endif %endif %if %0 >= 9 %1 %6, __src2, %9 %else %1 %6, __src2 %endif %elif %0 >= 9 __instr %6, %7, %8, %9 %elif %0 == 8 %if avx_enabled && %5 %xdefine __src1 %7 %xdefine __src2 %8 %ifnum regnumof%7 %ifnum regnumof%8 %if regnumof%7 < 8 && regnumof%8 >= 8 && regnumof%8 < 16 && sizeof%8 <= 32 ; Most VEX-encoded instructions require an additional byte to encode when ; src2 is a high register (e.g. m8..15). If the instruction is commutative ; we can swap src1 and src2 when doing so reduces the instruction length. %xdefine __src1 %8 %xdefine __src2 %7 %endif %endif %endif __instr %6, __src1, __src2 %else __instr %6, %7, %8 %endif %elif %0 == 7 %if avx_enabled && %5 %xdefine __src1 %6 %xdefine __src2 %7 %ifnum regnumof%6 %ifnum regnumof%7 %if regnumof%6 < 8 && regnumof%7 >= 8 && regnumof%7 < 16 && sizeof%7 <= 32 %xdefine __src1 %7 %xdefine __src2 %6 %endif %endif %endif __instr %6, __src1, __src2 %else __instr %6, %7 %endif %else __instr %6 %endif %endmacro ;%1 == instruction ;%2 == minimal instruction set ;%3 == 1 if float, 0 if int ;%4 == 1 if 4-operand emulation, 0 if 3-operand emulation, 255 otherwise (no emulation) ;%5 == 1 if commutative (i.e. doesn't matter which src arg is which), 0 if not %macro AVX_INSTR 1-5 fnord, 0, 255, 0 %macro %1 1-10 fnord, fnord, fnord, fnord, %1, %2, %3, %4, %5 %ifidn %2, fnord RUN_AVX_INSTR %6, %7, %8, %9, %10, %1 %elifidn %3, fnord RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2 %elifidn %4, fnord RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2, %3 %elifidn %5, fnord RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2, %3, %4 %else RUN_AVX_INSTR %6, %7, %8, %9, %10, %1, %2, %3, %4, %5 %endif %endmacro %endmacro ; Instructions with both VEX/EVEX and legacy encodings ; Non-destructive instructions are written without parameters AVX_INSTR addpd, sse2, 1, 0, 1 AVX_INSTR addps, sse, 1, 0, 1 AVX_INSTR addsd, sse2, 1, 0, 0 AVX_INSTR addss, sse, 1, 0, 0 AVX_INSTR addsubpd, sse3, 1, 0, 0 AVX_INSTR addsubps, sse3, 1, 0, 0 AVX_INSTR aesdec, aesni, 0, 0, 0 AVX_INSTR aesdeclast, aesni, 0, 0, 0 AVX_INSTR aesenc, aesni, 0, 0, 0 AVX_INSTR aesenclast, aesni, 0, 0, 0 AVX_INSTR aesimc, aesni AVX_INSTR aeskeygenassist, aesni AVX_INSTR andnpd, sse2, 1, 0, 0 AVX_INSTR andnps, sse, 1, 0, 0 AVX_INSTR andpd, sse2, 1, 0, 1 AVX_INSTR andps, sse, 1, 0, 1 AVX_INSTR blendpd, sse4, 1, 1, 0 AVX_INSTR blendps, sse4, 1, 1, 0 AVX_INSTR blendvpd, sse4 ; can't be emulated AVX_INSTR blendvps, sse4 ; can't be emulated AVX_INSTR cmpeqpd, sse2, 1, 0, 1 AVX_INSTR cmpeqps, sse, 1, 0, 1 AVX_INSTR cmpeqsd, sse2, 1, 0, 0 AVX_INSTR cmpeqss, sse, 1, 0, 0 AVX_INSTR cmplepd, sse2, 1, 0, 0 AVX_INSTR cmpleps, sse, 1, 0, 0 AVX_INSTR cmplesd, sse2, 1, 0, 0 AVX_INSTR cmpless, sse, 1, 0, 0 AVX_INSTR cmpltpd, sse2, 1, 0, 0 AVX_INSTR cmpltps, sse, 1, 0, 0 AVX_INSTR cmpltsd, sse2, 1, 0, 0 AVX_INSTR cmpltss, sse, 1, 0, 0 AVX_INSTR cmpneqpd, sse2, 1, 0, 1 AVX_INSTR cmpneqps, sse, 1, 0, 1 AVX_INSTR cmpneqsd, sse2, 1, 0, 0 AVX_INSTR cmpneqss, sse, 1, 0, 0 AVX_INSTR cmpnlepd, sse2, 1, 0, 0 AVX_INSTR cmpnleps, sse, 1, 0, 0 AVX_INSTR cmpnlesd, sse2, 1, 0, 0 AVX_INSTR cmpnless, sse, 1, 0, 0 AVX_INSTR cmpnltpd, sse2, 1, 0, 0 AVX_INSTR cmpnltps, sse, 1, 0, 0 AVX_INSTR cmpnltsd, sse2, 1, 0, 0 AVX_INSTR cmpnltss, sse, 1, 0, 0 AVX_INSTR cmpordpd, sse2 1, 0, 1 AVX_INSTR cmpordps, sse 1, 0, 1 AVX_INSTR cmpordsd, sse2 1, 0, 0 AVX_INSTR cmpordss, sse 1, 0, 0 AVX_INSTR cmppd, sse2, 1, 1, 0 AVX_INSTR cmpps, sse, 1, 1, 0 AVX_INSTR cmpsd, sse2, 1, 1, 0 AVX_INSTR cmpss, sse, 1, 1, 0 AVX_INSTR cmpunordpd, sse2, 1, 0, 1 AVX_INSTR cmpunordps, sse, 1, 0, 1 AVX_INSTR cmpunordsd, sse2, 1, 0, 0 AVX_INSTR cmpunordss, sse, 1, 0, 0 AVX_INSTR comisd, sse2, 1 AVX_INSTR comiss, sse, 1 AVX_INSTR cvtdq2pd, sse2, 1 AVX_INSTR cvtdq2ps, sse2, 1 AVX_INSTR cvtpd2dq, sse2, 1 AVX_INSTR cvtpd2ps, sse2, 1 AVX_INSTR cvtps2dq, sse2, 1 AVX_INSTR cvtps2pd, sse2, 1 AVX_INSTR cvtsd2si, sse2, 1 AVX_INSTR cvtsd2ss, sse2, 1, 0, 0 AVX_INSTR cvtsi2sd, sse2, 1, 0, 0 AVX_INSTR cvtsi2ss, sse, 1, 0, 0 AVX_INSTR cvtss2sd, sse2, 1, 0, 0 AVX_INSTR cvtss2si, sse, 1 AVX_INSTR cvttpd2dq, sse2, 1 AVX_INSTR cvttps2dq, sse2, 1 AVX_INSTR cvttsd2si, sse2, 1 AVX_INSTR cvttss2si, sse, 1 AVX_INSTR divpd, sse2, 1, 0, 0 AVX_INSTR divps, sse, 1, 0, 0 AVX_INSTR divsd, sse2, 1, 0, 0 AVX_INSTR divss, sse, 1, 0, 0 AVX_INSTR dppd, sse4, 1, 1, 0 AVX_INSTR dpps, sse4, 1, 1, 0 AVX_INSTR extractps, sse4, 1 AVX_INSTR gf2p8affineinvqb, gfni, 0, 1, 0 AVX_INSTR gf2p8affineqb, gfni, 0, 1, 0 AVX_INSTR gf2p8mulb, gfni, 0, 0, 0 AVX_INSTR haddpd, sse3, 1, 0, 0 AVX_INSTR haddps, sse3, 1, 0, 0 AVX_INSTR hsubpd, sse3, 1, 0, 0 AVX_INSTR hsubps, sse3, 1, 0, 0 AVX_INSTR insertps, sse4, 1, 1, 0 AVX_INSTR lddqu, sse3 AVX_INSTR ldmxcsr, sse, 1 AVX_INSTR maskmovdqu, sse2 AVX_INSTR maxpd, sse2, 1, 0, 1 AVX_INSTR maxps, sse, 1, 0, 1 AVX_INSTR maxsd, sse2, 1, 0, 0 AVX_INSTR maxss, sse, 1, 0, 0 AVX_INSTR minpd, sse2, 1, 0, 1 AVX_INSTR minps, sse, 1, 0, 1 AVX_INSTR minsd, sse2, 1, 0, 0 AVX_INSTR minss, sse, 1, 0, 0 AVX_INSTR movapd, sse2, 1 AVX_INSTR movaps, sse, 1 AVX_INSTR movd, mmx AVX_INSTR movddup, sse3, 1 AVX_INSTR movdqa, sse2 AVX_INSTR movdqu, sse2 AVX_INSTR movhlps, sse, 1, 0, 0 AVX_INSTR movhpd, sse2, 1, 0, 0 AVX_INSTR movhps, sse, 1, 0, 0 AVX_INSTR movlhps, sse, 1, 0, 0 AVX_INSTR movlpd, sse2, 1, 0, 0 AVX_INSTR movlps, sse, 1, 0, 0 AVX_INSTR movmskpd, sse2, 1 AVX_INSTR movmskps, sse, 1 AVX_INSTR movntdq, sse2 AVX_INSTR movntdqa, sse4 AVX_INSTR movntpd, sse2, 1 AVX_INSTR movntps, sse, 1 AVX_INSTR movq, mmx AVX_INSTR movsd, sse2, 1, 0, 0 AVX_INSTR movshdup, sse3, 1 AVX_INSTR movsldup, sse3, 1 AVX_INSTR movss, sse, 1, 0, 0 AVX_INSTR movupd, sse2, 1 AVX_INSTR movups, sse, 1 AVX_INSTR mpsadbw, sse4, 0, 1, 0 AVX_INSTR mulpd, sse2, 1, 0, 1 AVX_INSTR mulps, sse, 1, 0, 1 AVX_INSTR mulsd, sse2, 1, 0, 0 AVX_INSTR mulss, sse, 1, 0, 0 AVX_INSTR orpd, sse2, 1, 0, 1 AVX_INSTR orps, sse, 1, 0, 1 AVX_INSTR pabsb, ssse3 AVX_INSTR pabsd, ssse3 AVX_INSTR pabsw, ssse3 AVX_INSTR packssdw, mmx, 0, 0, 0 AVX_INSTR packsswb, mmx, 0, 0, 0 AVX_INSTR packusdw, sse4, 0, 0, 0 AVX_INSTR packuswb, mmx, 0, 0, 0 AVX_INSTR paddb, mmx, 0, 0, 1 AVX_INSTR paddd, mmx, 0, 0, 1 AVX_INSTR paddq, sse2, 0, 0, 1 AVX_INSTR paddsb, mmx, 0, 0, 1 AVX_INSTR paddsw, mmx, 0, 0, 1 AVX_INSTR paddusb, mmx, 0, 0, 1 AVX_INSTR paddusw, mmx, 0, 0, 1 AVX_INSTR paddw, mmx, 0, 0, 1 AVX_INSTR palignr, ssse3, 0, 1, 0 AVX_INSTR pand, mmx, 0, 0, 1 AVX_INSTR pandn, mmx, 0, 0, 0 AVX_INSTR pavgb, mmx2, 0, 0, 1 AVX_INSTR pavgw, mmx2, 0, 0, 1 AVX_INSTR pblendvb, sse4 ; can't be emulated AVX_INSTR pblendw, sse4, 0, 1, 0 AVX_INSTR pclmulhqhqdq, fnord, 0, 0, 0 AVX_INSTR pclmulhqlqdq, fnord, 0, 0, 0 AVX_INSTR pclmullqhqdq, fnord, 0, 0, 0 AVX_INSTR pclmullqlqdq, fnord, 0, 0, 0 AVX_INSTR pclmulqdq, fnord, 0, 1, 0 AVX_INSTR pcmpeqb, mmx, 0, 0, 1 AVX_INSTR pcmpeqd, mmx, 0, 0, 1 AVX_INSTR pcmpeqq, sse4, 0, 0, 1 AVX_INSTR pcmpeqw, mmx, 0, 0, 1 AVX_INSTR pcmpestri, sse42 AVX_INSTR pcmpestrm, sse42 AVX_INSTR pcmpgtb, mmx, 0, 0, 0 AVX_INSTR pcmpgtd, mmx, 0, 0, 0 AVX_INSTR pcmpgtq, sse42, 0, 0, 0 AVX_INSTR pcmpgtw, mmx, 0, 0, 0 AVX_INSTR pcmpistri, sse42 AVX_INSTR pcmpistrm, sse42 AVX_INSTR pextrb, sse4 AVX_INSTR pextrd, sse4 AVX_INSTR pextrq, sse4 AVX_INSTR pextrw, mmx2 AVX_INSTR phaddd, ssse3, 0, 0, 0 AVX_INSTR phaddsw, ssse3, 0, 0, 0 AVX_INSTR phaddw, ssse3, 0, 0, 0 AVX_INSTR phminposuw, sse4 AVX_INSTR phsubd, ssse3, 0, 0, 0 AVX_INSTR phsubsw, ssse3, 0, 0, 0 AVX_INSTR phsubw, ssse3, 0, 0, 0 AVX_INSTR pinsrb, sse4, 0, 1, 0 AVX_INSTR pinsrd, sse4, 0, 1, 0 AVX_INSTR pinsrq, sse4, 0, 1, 0 AVX_INSTR pinsrw, mmx2, 0, 1, 0 AVX_INSTR pmaddubsw, ssse3, 0, 0, 0 AVX_INSTR pmaddwd, mmx, 0, 0, 1 AVX_INSTR pmaxsb, sse4, 0, 0, 1 AVX_INSTR pmaxsd, sse4, 0, 0, 1 AVX_INSTR pmaxsw, mmx2, 0, 0, 1 AVX_INSTR pmaxub, mmx2, 0, 0, 1 AVX_INSTR pmaxud, sse4, 0, 0, 1 AVX_INSTR pmaxuw, sse4, 0, 0, 1 AVX_INSTR pminsb, sse4, 0, 0, 1 AVX_INSTR pminsd, sse4, 0, 0, 1 AVX_INSTR pminsw, mmx2, 0, 0, 1 AVX_INSTR pminub, mmx2, 0, 0, 1 AVX_INSTR pminud, sse4, 0, 0, 1 AVX_INSTR pminuw, sse4, 0, 0, 1 AVX_INSTR pmovmskb, mmx2 AVX_INSTR pmovsxbd, sse4 AVX_INSTR pmovsxbq, sse4 AVX_INSTR pmovsxbw, sse4 AVX_INSTR pmovsxdq, sse4 AVX_INSTR pmovsxwd, sse4 AVX_INSTR pmovsxwq, sse4 AVX_INSTR pmovzxbd, sse4 AVX_INSTR pmovzxbq, sse4 AVX_INSTR pmovzxbw, sse4 AVX_INSTR pmovzxdq, sse4 AVX_INSTR pmovzxwd, sse4 AVX_INSTR pmovzxwq, sse4 AVX_INSTR pmuldq, sse4, 0, 0, 1 AVX_INSTR pmulhrsw, ssse3, 0, 0, 1 AVX_INSTR pmulhuw, mmx2, 0, 0, 1 AVX_INSTR pmulhw, mmx, 0, 0, 1 AVX_INSTR pmulld, sse4, 0, 0, 1 AVX_INSTR pmullw, mmx, 0, 0, 1 AVX_INSTR pmuludq, sse2, 0, 0, 1 AVX_INSTR por, mmx, 0, 0, 1 AVX_INSTR psadbw, mmx2, 0, 0, 1 AVX_INSTR pshufb, ssse3, 0, 0, 0 AVX_INSTR pshufd, sse2 AVX_INSTR pshufhw, sse2 AVX_INSTR pshuflw, sse2 AVX_INSTR psignb, ssse3, 0, 0, 0 AVX_INSTR psignd, ssse3, 0, 0, 0 AVX_INSTR psignw, ssse3, 0, 0, 0 AVX_INSTR pslld, mmx, 0, 0, 0 AVX_INSTR pslldq, sse2, 0, 0, 0 AVX_INSTR psllq, mmx, 0, 0, 0 AVX_INSTR psllw, mmx, 0, 0, 0 AVX_INSTR psrad, mmx, 0, 0, 0 AVX_INSTR psraw, mmx, 0, 0, 0 AVX_INSTR psrld, mmx, 0, 0, 0 AVX_INSTR psrldq, sse2, 0, 0, 0 AVX_INSTR psrlq, mmx, 0, 0, 0 AVX_INSTR psrlw, mmx, 0, 0, 0 AVX_INSTR psubb, mmx, 0, 0, 0 AVX_INSTR psubd, mmx, 0, 0, 0 AVX_INSTR psubq, sse2, 0, 0, 0 AVX_INSTR psubsb, mmx, 0, 0, 0 AVX_INSTR psubsw, mmx, 0, 0, 0 AVX_INSTR psubusb, mmx, 0, 0, 0 AVX_INSTR psubusw, mmx, 0, 0, 0 AVX_INSTR psubw, mmx, 0, 0, 0 AVX_INSTR ptest, sse4 AVX_INSTR punpckhbw, mmx, 0, 0, 0 AVX_INSTR punpckhdq, mmx, 0, 0, 0 AVX_INSTR punpckhqdq, sse2, 0, 0, 0 AVX_INSTR punpckhwd, mmx, 0, 0, 0 AVX_INSTR punpcklbw, mmx, 0, 0, 0 AVX_INSTR punpckldq, mmx, 0, 0, 0 AVX_INSTR punpcklqdq, sse2, 0, 0, 0 AVX_INSTR punpcklwd, mmx, 0, 0, 0 AVX_INSTR pxor, mmx, 0, 0, 1 AVX_INSTR rcpps, sse, 1 AVX_INSTR rcpss, sse, 1, 0, 0 AVX_INSTR roundpd, sse4, 1 AVX_INSTR roundps, sse4, 1 AVX_INSTR roundsd, sse4, 1, 1, 0 AVX_INSTR roundss, sse4, 1, 1, 0 AVX_INSTR rsqrtps, sse, 1 AVX_INSTR rsqrtss, sse, 1, 0, 0 AVX_INSTR shufpd, sse2, 1, 1, 0 AVX_INSTR shufps, sse, 1, 1, 0 AVX_INSTR sqrtpd, sse2, 1 AVX_INSTR sqrtps, sse, 1 AVX_INSTR sqrtsd, sse2, 1, 0, 0 AVX_INSTR sqrtss, sse, 1, 0, 0 AVX_INSTR stmxcsr, sse, 1 AVX_INSTR subpd, sse2, 1, 0, 0 AVX_INSTR subps, sse, 1, 0, 0 AVX_INSTR subsd, sse2, 1, 0, 0 AVX_INSTR subss, sse, 1, 0, 0 AVX_INSTR ucomisd, sse2, 1 AVX_INSTR ucomiss, sse, 1 AVX_INSTR unpckhpd, sse2, 1, 0, 0 AVX_INSTR unpckhps, sse, 1, 0, 0 AVX_INSTR unpcklpd, sse2, 1, 0, 0 AVX_INSTR unpcklps, sse, 1, 0, 0 AVX_INSTR xorpd, sse2, 1, 0, 1 AVX_INSTR xorps, sse, 1, 0, 1 ; 3DNow instructions, for sharing code between AVX, SSE and 3DN AVX_INSTR pfadd, 3dnow, 1, 0, 1 AVX_INSTR pfmul, 3dnow, 1, 0, 1 AVX_INSTR pfsub, 3dnow, 1, 0, 0 ;%1 == instruction ;%2 == minimal instruction set %macro GPR_INSTR 2 %macro %1 2-5 fnord, %1, %2 %ifdef cpuname %if notcpuflag(%5) %error use of ``%4'' %5 instruction in cpuname function: current_function %endif %endif %ifidn %3, fnord %4 %1, %2 %else %4 %1, %2, %3 %endif %endmacro %endmacro GPR_INSTR andn, bmi1 GPR_INSTR bextr, bmi1 GPR_INSTR blsi, bmi1 GPR_INSTR blsmsk, bmi1 GPR_INSTR blsr, bmi1 GPR_INSTR bzhi, bmi2 GPR_INSTR mulx, bmi2 GPR_INSTR pdep, bmi2 GPR_INSTR pext, bmi2 GPR_INSTR popcnt, sse42 GPR_INSTR rorx, bmi2 GPR_INSTR sarx, bmi2 GPR_INSTR shlx, bmi2 GPR_INSTR shrx, bmi2 ; base-4 constants for shuffles %assign i 0 %rep 256 %assign j ((i>>6)&3)*1000 + ((i>>4)&3)*100 + ((i>>2)&3)*10 + (i&3) %if j < 10 CAT_XDEFINE q000, j, i %elif j < 100 CAT_XDEFINE q00, j, i %elif j < 1000 CAT_XDEFINE q0, j, i %else CAT_XDEFINE q, j, i %endif %assign i i+1 %endrep %undef i %undef j %macro FMA_INSTR 3 %macro %1 4-7 %1, %2, %3 %if cpuflag(xop) v%5 %1, %2, %3, %4 %elifnidn %1, %4 %6 %1, %2, %3 %7 %1, %4 %else %error non-xop emulation of ``%5 %1, %2, %3, %4'' is not supported %endif %endmacro %endmacro FMA_INSTR pmacsdd, pmulld, paddd ; sse4 emulation FMA_INSTR pmacsdql, pmuldq, paddq ; sse4 emulation FMA_INSTR pmacsww, pmullw, paddw FMA_INSTR pmadcswd, pmaddwd, paddd ; Macros for consolidating FMA3 and FMA4 using 4-operand (dst, src1, src2, src3) syntax. ; FMA3 is only possible if dst is the same as one of the src registers. ; Either src2 or src3 can be a memory operand. %macro FMA4_INSTR 2-* %push fma4_instr %xdefine %$prefix %1 %rep %0 - 1 %macro %$prefix%2 4-6 %$prefix, %2 %if notcpuflag(fma3) && notcpuflag(fma4) %error use of ``%5%6'' fma instruction in cpuname function: current_function %elif cpuflag(fma4) v%5%6 %1, %2, %3, %4 %elifidn %1, %2 ; If %3 or %4 is a memory operand it needs to be encoded as the last operand. %ifnum sizeof%3 v%{5}213%6 %2, %3, %4 %else v%{5}132%6 %2, %4, %3 %endif %elifidn %1, %3 v%{5}213%6 %3, %2, %4 %elifidn %1, %4 v%{5}231%6 %4, %2, %3 %else %error fma3 emulation of ``%5%6 %1, %2, %3, %4'' is not supported %endif %endmacro %rotate 1 %endrep %pop %endmacro FMA4_INSTR fmadd, pd, ps, sd, ss FMA4_INSTR fmaddsub, pd, ps FMA4_INSTR fmsub, pd, ps, sd, ss FMA4_INSTR fmsubadd, pd, ps FMA4_INSTR fnmadd, pd, ps, sd, ss FMA4_INSTR fnmsub, pd, ps, sd, ss ; Macros for converting VEX instructions to equivalent EVEX ones. %macro EVEX_INSTR 2-3 0 ; vex, evex, prefer_evex %macro %1 2-7 fnord, fnord, %1, %2, %3 %ifidn %3, fnord %define %%args %1, %2 %elifidn %4, fnord %define %%args %1, %2, %3 %else %define %%args %1, %2, %3, %4 %endif %assign %%evex_required cpuflag(avx512) & %7 %ifnum regnumof%1 %if regnumof%1 >= 16 || sizeof%1 > 32 %assign %%evex_required 1 %endif %endif %ifnum regnumof%2 %if regnumof%2 >= 16 || sizeof%2 > 32 %assign %%evex_required 1 %endif %endif %ifnum regnumof%3 %if regnumof%3 >= 16 || sizeof%3 > 32 %assign %%evex_required 1 %endif %endif %if %%evex_required %6 %%args %else %5 %%args ; Prefer VEX over EVEX due to shorter instruction length %endif %endmacro %endmacro EVEX_INSTR vbroadcastf128, vbroadcastf32x4 EVEX_INSTR vbroadcasti128, vbroadcasti32x4 EVEX_INSTR vextractf128, vextractf32x4 EVEX_INSTR vextracti128, vextracti32x4 EVEX_INSTR vinsertf128, vinsertf32x4 EVEX_INSTR vinserti128, vinserti32x4 EVEX_INSTR vmovdqa, vmovdqa32 EVEX_INSTR vmovdqu, vmovdqu32 EVEX_INSTR vpand, vpandd EVEX_INSTR vpandn, vpandnd EVEX_INSTR vpor, vpord EVEX_INSTR vpxor, vpxord EVEX_INSTR vrcpps, vrcp14ps, 1 ; EVEX versions have higher precision EVEX_INSTR vrcpss, vrcp14ss, 1 EVEX_INSTR vrsqrtps, vrsqrt14ps, 1 EVEX_INSTR vrsqrtss, vrsqrt14ss, 1 libass-0.17.1/libass.pc.in0000644060175106017510000000054514371314501012225 00000000000000prefix=@prefix@ exec_prefix=@exec_prefix@ libdir=@libdir@ includedir=@includedir@ Name: libass Description: LibASS is an SSA/ASS subtitles rendering library Version: @PACKAGE_VERSION@ Requires: @PKG_REQUIRES_PUBLIC@ Requires.private: @PKG_REQUIRES_PRIVATE@ Libs: -L${libdir} -lass @PKG_LIBS_PUBLIC@ Libs.private: @PKG_LIBS_PRIVATE@ Cflags: -I${includedir} libass-0.17.1/ltmain.sh0000755060175106017510000122015514376701454011660 00000000000000#! /usr/bin/env sh ## DO NOT EDIT - This file generated from ./build-aux/ltmain.in ## by inline-source v2019-02-19.15 # libtool (GNU libtool) 2.4.7 # Provide generalized library-building support services. # Written by Gordon Matzigkeit , 1996 # Copyright (C) 1996-2019, 2021-2022 Free Software Foundation, Inc. # This is free software; see the source for copying conditions. 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Vaughan, 2004 # This is free software. There is NO warranty; not even for # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Copyright (C) 2004-2019, 2021 Bootstrap Authors # # This file is dual licensed under the terms of the MIT license # , and GPL version 2 or later # . You must apply one of # these licenses when using or redistributing this software or any of # the files within it. See the URLs above, or the file `LICENSE` # included in the Bootstrap distribution for the full license texts. # Please report bugs or propose patches to: # ## ------ ## ## Usage. ## ## ------ ## # Evaluate this file near the top of your script to gain access to # the functions and variables defined here: # # . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh # # If you need to override any of the default environment variable # settings, do that before evaluating this file. ## -------------------- ## ## Shell normalisation. ## ## -------------------- ## # Some shells need a little help to be as Bourne compatible as possible. # Before doing anything else, make sure all that help has been provided! DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. Disable this feature. alias -g '${1+"$@"}'='"$@"' setopt NO_GLOB_SUBST else case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac fi # NLS nuisances: We save the old values in case they are required later. _G_user_locale= _G_safe_locale= for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test set = \"\${$_G_var+set}\"; then save_$_G_var=\$$_G_var $_G_var=C export $_G_var _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" fi" done # These NLS vars are set unconditionally (bootstrap issue #24). Unset those # in case the environment reset is needed later and the $save_* variant is not # defined (see the code above). LC_ALL=C LANGUAGE=C export LANGUAGE LC_ALL # Make sure IFS has a sensible default sp=' ' nl=' ' IFS="$sp $nl" # There are apparently some retarded systems that use ';' as a PATH separator! if test "${PATH_SEPARATOR+set}" != set; then PATH_SEPARATOR=: (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || PATH_SEPARATOR=';' } fi # func_unset VAR # -------------- # Portably unset VAR. # In some shells, an 'unset VAR' statement leaves a non-zero return # status if VAR is already unset, which might be problematic if the # statement is used at the end of a function (thus poisoning its return # value) or when 'set -e' is active (causing even a spurious abort of # the script in this case). func_unset () { { eval $1=; (eval unset $1) >/dev/null 2>&1 && eval unset $1 || : ; } } # Make sure CDPATH doesn't cause `cd` commands to output the target dir. func_unset CDPATH # Make sure ${,E,F}GREP behave sanely. func_unset GREP_OPTIONS ## ------------------------- ## ## Locate command utilities. ## ## ------------------------- ## # func_executable_p FILE # ---------------------- # Check that FILE is an executable regular file. func_executable_p () { test -f "$1" && test -x "$1" } # func_path_progs PROGS_LIST CHECK_FUNC [PATH] # -------------------------------------------- # Search for either a program that responds to --version with output # containing "GNU", or else returned by CHECK_FUNC otherwise, by # trying all the directories in PATH with each of the elements of # PROGS_LIST. # # CHECK_FUNC should accept the path to a candidate program, and # set $func_check_prog_result if it truncates its output less than # $_G_path_prog_max characters. func_path_progs () { _G_progs_list=$1 _G_check_func=$2 _G_PATH=${3-"$PATH"} _G_path_prog_max=0 _G_path_prog_found=false _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} for _G_dir in $_G_PATH; do IFS=$_G_save_IFS test -z "$_G_dir" && _G_dir=. for _G_prog_name in $_G_progs_list; do for _exeext in '' .EXE; do _G_path_prog=$_G_dir/$_G_prog_name$_exeext func_executable_p "$_G_path_prog" || continue case `"$_G_path_prog" --version 2>&1` in *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; *) $_G_check_func $_G_path_prog func_path_progs_result=$func_check_prog_result ;; esac $_G_path_prog_found && break 3 done done done IFS=$_G_save_IFS test -z "$func_path_progs_result" && { echo "no acceptable sed could be found in \$PATH" >&2 exit 1 } } # We want to be able to use the functions in this file before configure # has figured out where the best binaries are kept, which means we have # to search for them ourselves - except when the results are already set # where we skip the searches. # Unless the user overrides by setting SED, search the path for either GNU # sed, or the sed that truncates its output the least. test -z "$SED" && { _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ for _G_i in 1 2 3 4 5 6 7; do _G_sed_script=$_G_sed_script$nl$_G_sed_script done echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed _G_sed_script= func_check_prog_sed () { _G_path_prog=$1 _G_count=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo '' >> conftest.nl "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "sed gsed" func_check_prog_sed "$PATH:/usr/xpg4/bin" rm -f conftest.sed SED=$func_path_progs_result } # Unless the user overrides by setting GREP, search the path for either GNU # grep, or the grep that truncates its output the least. test -z "$GREP" && { func_check_prog_grep () { _G_path_prog=$1 _G_count=0 _G_path_prog_max=0 printf 0123456789 >conftest.in while : do cat conftest.in conftest.in >conftest.tmp mv conftest.tmp conftest.in cp conftest.in conftest.nl echo 'GREP' >> conftest.nl "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break diff conftest.out conftest.nl >/dev/null 2>&1 || break _G_count=`expr $_G_count + 1` if test "$_G_count" -gt "$_G_path_prog_max"; then # Best one so far, save it but keep looking for a better one func_check_prog_result=$_G_path_prog _G_path_prog_max=$_G_count fi # 10*(2^10) chars as input seems more than enough test 10 -lt "$_G_count" && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out } func_path_progs "grep ggrep" func_check_prog_grep "$PATH:/usr/xpg4/bin" GREP=$func_path_progs_result } ## ------------------------------- ## ## User overridable command paths. ## ## ------------------------------- ## # All uppercase variable names are used for environment variables. These # variables can be overridden by the user before calling a script that # uses them if a suitable command of that name is not already available # in the command search PATH. : ${CP="cp -f"} : ${ECHO="printf %s\n"} : ${EGREP="$GREP -E"} : ${FGREP="$GREP -F"} : ${LN_S="ln -s"} : ${MAKE="make"} : ${MKDIR="mkdir"} : ${MV="mv -f"} : ${RM="rm -f"} : ${SHELL="${CONFIG_SHELL-/bin/sh}"} ## -------------------- ## ## Useful sed snippets. ## ## -------------------- ## sed_dirname='s|/[^/]*$||' sed_basename='s|^.*/||' # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='s|\([`"$\\]\)|\\\1|g' # Same as above, but do not quote variable references. sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' # Sed substitution that turns a string into a regex matching for the # string literally. sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' # Sed substitution that converts a w32 file name or path # that contains forward slashes, into one that contains # (escaped) backslashes. A very naive implementation. sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' # Re-'\' parameter expansions in output of sed_double_quote_subst that # were '\'-ed in input to the same. If an odd number of '\' preceded a # '$' in input to sed_double_quote_subst, that '$' was protected from # expansion. Since each input '\' is now two '\'s, look for any number # of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. _G_bs='\\' _G_bs2='\\\\' _G_bs4='\\\\\\\\' _G_dollar='\$' sed_double_backslash="\ s/$_G_bs4/&\\ /g s/^$_G_bs2$_G_dollar/$_G_bs&/ s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g s/\n//g" # require_check_ifs_backslash # --------------------------- # Check if we can use backslash as IFS='\' separator, and set # $check_ifs_backshlash_broken to ':' or 'false'. require_check_ifs_backslash=func_require_check_ifs_backslash func_require_check_ifs_backslash () { _G_save_IFS=$IFS IFS='\' _G_check_ifs_backshlash='a\\b' for _G_i in $_G_check_ifs_backshlash do case $_G_i in a) check_ifs_backshlash_broken=false ;; '') break ;; *) check_ifs_backshlash_broken=: break ;; esac done IFS=$_G_save_IFS require_check_ifs_backslash=: } ## ----------------- ## ## Global variables. ## ## ----------------- ## # Except for the global variables explicitly listed below, the following # functions in the '^func_' namespace, and the '^require_' namespace # variables initialised in the 'Resource management' section, sourcing # this file will not pollute your global namespace with anything # else. There's no portable way to scope variables in Bourne shell # though, so actually running these functions will sometimes place # results into a variable named after the function, and often use # temporary variables in the '^_G_' namespace. If you are careful to # avoid using those namespaces casually in your sourcing script, things # should continue to work as you expect. And, of course, you can freely # overwrite any of the functions or variables defined here before # calling anything to customize them. EXIT_SUCCESS=0 EXIT_FAILURE=1 EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. # Allow overriding, eg assuming that you follow the convention of # putting '$debug_cmd' at the start of all your functions, you can get # bash to show function call trace with: # # debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name debug_cmd=${debug_cmd-":"} exit_cmd=: # By convention, finish your script with: # # exit $exit_status # # so that you can set exit_status to non-zero if you want to indicate # something went wrong during execution without actually bailing out at # the point of failure. exit_status=$EXIT_SUCCESS # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh # is ksh but when the shell is invoked as "sh" and the current value of # the _XPG environment variable is not equal to 1 (one), the special # positional parameter $0, within a function call, is the name of the # function. progpath=$0 # The name of this program. progname=`$ECHO "$progpath" |$SED "$sed_basename"` # Make sure we have an absolute progpath for reexecution: case $progpath in [\\/]*|[A-Za-z]:\\*) ;; *[\\/]*) progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` progdir=`cd "$progdir" && pwd` progpath=$progdir/$progname ;; *) _G_IFS=$IFS IFS=${PATH_SEPARATOR-:} for progdir in $PATH; do IFS=$_G_IFS test -x "$progdir/$progname" && break done IFS=$_G_IFS test -n "$progdir" || progdir=`pwd` progpath=$progdir/$progname ;; esac ## ----------------- ## ## Standard options. ## ## ----------------- ## # The following options affect the operation of the functions defined # below, and should be set appropriately depending on run-time para- # meters passed on the command line. opt_dry_run=false opt_quiet=false opt_verbose=false # Categories 'all' and 'none' are always available. Append any others # you will pass as the first argument to func_warning from your own # code. warning_categories= # By default, display warnings according to 'opt_warning_types'. Set # 'warning_func' to ':' to elide all warnings, or func_fatal_error to # treat the next displayed warning as a fatal error. warning_func=func_warn_and_continue # Set to 'all' to display all warnings, 'none' to suppress all # warnings, or a space delimited list of some subset of # 'warning_categories' to display only the listed warnings. opt_warning_types=all ## -------------------- ## ## Resource management. ## ## -------------------- ## # This section contains definitions for functions that each ensure a # particular resource (a file, or a non-empty configuration variable for # example) is available, and if appropriate to extract default values # from pertinent package files. Call them using their associated # 'require_*' variable to ensure that they are executed, at most, once. # # It's entirely deliberate that calling these functions can set # variables that don't obey the namespace limitations obeyed by the rest # of this file, in order that that they be as useful as possible to # callers. # require_term_colors # ------------------- # Allow display of bold text on terminals that support it. require_term_colors=func_require_term_colors func_require_term_colors () { $debug_cmd test -t 1 && { # COLORTERM and USE_ANSI_COLORS environment variables take # precedence, because most terminfo databases neglect to describe # whether color sequences are supported. test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} if test 1 = "$USE_ANSI_COLORS"; then # Standard ANSI escape sequences tc_reset='' tc_bold=''; tc_standout='' tc_red=''; tc_green='' tc_blue=''; tc_cyan='' else # Otherwise trust the terminfo database after all. test -n "`tput sgr0 2>/dev/null`" && { tc_reset=`tput sgr0` test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` tc_standout=$tc_bold test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` } fi } require_term_colors=: } ## ----------------- ## ## Function library. ## ## ----------------- ## # This section contains a variety of useful functions to call in your # scripts. Take note of the portable wrappers for features provided by # some modern shells, which will fall back to slower equivalents on # less featureful shells. # func_append VAR VALUE # --------------------- # Append VALUE onto the existing contents of VAR. # We should try to minimise forks, especially on Windows where they are # unreasonably slow, so skip the feature probes when bash or zsh are # being used: if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then : ${_G_HAVE_ARITH_OP="yes"} : ${_G_HAVE_XSI_OPS="yes"} # The += operator was introduced in bash 3.1 case $BASH_VERSION in [12].* | 3.0 | 3.0*) ;; *) : ${_G_HAVE_PLUSEQ_OP="yes"} ;; esac fi # _G_HAVE_PLUSEQ_OP # Can be empty, in which case the shell is probed, "yes" if += is # useable or anything else if it does not work. test -z "$_G_HAVE_PLUSEQ_OP" \ && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ && _G_HAVE_PLUSEQ_OP=yes if test yes = "$_G_HAVE_PLUSEQ_OP" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_append () { $debug_cmd eval "$1+=\$2" }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_append () { $debug_cmd eval "$1=\$$1\$2" } fi # func_append_quoted VAR VALUE # ---------------------------- # Quote VALUE and append to the end of shell variable VAR, separated # by a space. if test yes = "$_G_HAVE_PLUSEQ_OP"; then eval 'func_append_quoted () { $debug_cmd func_quote_arg pretty "$2" eval "$1+=\\ \$func_quote_arg_result" }' else func_append_quoted () { $debug_cmd func_quote_arg pretty "$2" eval "$1=\$$1\\ \$func_quote_arg_result" } fi # func_append_uniq VAR VALUE # -------------------------- # Append unique VALUE onto the existing contents of VAR, assuming # entries are delimited by the first character of VALUE. For example: # # func_append_uniq options " --another-option option-argument" # # will only append to $options if " --another-option option-argument " # is not already present somewhere in $options already (note spaces at # each end implied by leading space in second argument). func_append_uniq () { $debug_cmd eval _G_current_value='`$ECHO $'$1'`' _G_delim=`expr "$2" : '\(.\)'` case $_G_delim$_G_current_value$_G_delim in *"$2$_G_delim"*) ;; *) func_append "$@" ;; esac } # func_arith TERM... # ------------------ # Set func_arith_result to the result of evaluating TERMs. test -z "$_G_HAVE_ARITH_OP" \ && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ && _G_HAVE_ARITH_OP=yes if test yes = "$_G_HAVE_ARITH_OP"; then eval 'func_arith () { $debug_cmd func_arith_result=$(( $* )) }' else func_arith () { $debug_cmd func_arith_result=`expr "$@"` } fi # func_basename FILE # ------------------ # Set func_basename_result to FILE with everything up to and including # the last / stripped. if test yes = "$_G_HAVE_XSI_OPS"; then # If this shell supports suffix pattern removal, then use it to avoid # forking. Hide the definitions single quotes in case the shell chokes # on unsupported syntax... _b='func_basename_result=${1##*/}' _d='case $1 in */*) func_dirname_result=${1%/*}$2 ;; * ) func_dirname_result=$3 ;; esac' else # ...otherwise fall back to using sed. _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` if test "X$func_dirname_result" = "X$1"; then func_dirname_result=$3 else func_append func_dirname_result "$2" fi' fi eval 'func_basename () { $debug_cmd '"$_b"' }' # func_dirname FILE APPEND NONDIR_REPLACEMENT # ------------------------------------------- # Compute the dirname of FILE. If nonempty, add APPEND to the result, # otherwise set result to NONDIR_REPLACEMENT. eval 'func_dirname () { $debug_cmd '"$_d"' }' # func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT # -------------------------------------------------------- # Perform func_basename and func_dirname in a single function # call: # dirname: Compute the dirname of FILE. If nonempty, # add APPEND to the result, otherwise set result # to NONDIR_REPLACEMENT. # value returned in "$func_dirname_result" # basename: Compute filename of FILE. # value retuned in "$func_basename_result" # For efficiency, we do not delegate to the functions above but instead # duplicate the functionality here. eval 'func_dirname_and_basename () { $debug_cmd '"$_b"' '"$_d"' }' # func_echo ARG... # ---------------- # Echo program name prefixed message. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname: $_G_line" done IFS=$func_echo_IFS } # func_echo_all ARG... # -------------------- # Invoke $ECHO with all args, space-separated. func_echo_all () { $ECHO "$*" } # func_echo_infix_1 INFIX ARG... # ------------------------------ # Echo program name, followed by INFIX on the first line, with any # additional lines not showing INFIX. func_echo_infix_1 () { $debug_cmd $require_term_colors _G_infix=$1; shift _G_indent=$_G_infix _G_prefix="$progname: $_G_infix: " _G_message=$* # Strip color escape sequences before counting printable length for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" do test -n "$_G_tc" && { _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` } done _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes func_echo_infix_1_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_infix_1_IFS $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 _G_prefix=$_G_indent done IFS=$func_echo_infix_1_IFS } # func_error ARG... # ----------------- # Echo program name prefixed message to standard error. func_error () { $debug_cmd $require_term_colors func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 } # func_fatal_error ARG... # ----------------------- # Echo program name prefixed message to standard error, and exit. func_fatal_error () { $debug_cmd func_error "$*" exit $EXIT_FAILURE } # func_grep EXPRESSION FILENAME # ----------------------------- # Check whether EXPRESSION matches any line of FILENAME, without output. func_grep () { $debug_cmd $GREP "$1" "$2" >/dev/null 2>&1 } # func_len STRING # --------------- # Set func_len_result to the length of STRING. STRING may not # start with a hyphen. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_len () { $debug_cmd func_len_result=${#1} }' else func_len () { $debug_cmd func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` } fi # func_mkdir_p DIRECTORY-PATH # --------------------------- # Make sure the entire path to DIRECTORY-PATH is available. func_mkdir_p () { $debug_cmd _G_directory_path=$1 _G_dir_list= if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then # Protect directory names starting with '-' case $_G_directory_path in -*) _G_directory_path=./$_G_directory_path ;; esac # While some portion of DIR does not yet exist... while test ! -d "$_G_directory_path"; do # ...make a list in topmost first order. Use a colon delimited # list incase some portion of path contains whitespace. _G_dir_list=$_G_directory_path:$_G_dir_list # If the last portion added has no slash in it, the list is done case $_G_directory_path in */*) ;; *) break ;; esac # ...otherwise throw away the child directory and loop _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` done _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` func_mkdir_p_IFS=$IFS; IFS=: for _G_dir in $_G_dir_list; do IFS=$func_mkdir_p_IFS # mkdir can fail with a 'File exist' error if two processes # try to create one of the directories concurrently. Don't # stop in that case! $MKDIR "$_G_dir" 2>/dev/null || : done IFS=$func_mkdir_p_IFS # Bail out if we (or some other process) failed to create a directory. test -d "$_G_directory_path" || \ func_fatal_error "Failed to create '$1'" fi } # func_mktempdir [BASENAME] # ------------------------- # Make a temporary directory that won't clash with other running # libtool processes, and avoids race conditions if possible. If # given, BASENAME is the basename for that directory. func_mktempdir () { $debug_cmd _G_template=${TMPDIR-/tmp}/${1-$progname} if test : = "$opt_dry_run"; then # Return a directory name, but don't create it in dry-run mode _G_tmpdir=$_G_template-$$ else # If mktemp works, use that first and foremost _G_tmpdir=`mktemp -d "$_G_template-XXXXXXXX" 2>/dev/null` if test ! -d "$_G_tmpdir"; then # Failing that, at least try and use $RANDOM to avoid a race _G_tmpdir=$_G_template-${RANDOM-0}$$ func_mktempdir_umask=`umask` umask 0077 $MKDIR "$_G_tmpdir" umask $func_mktempdir_umask fi # If we're not in dry-run mode, bomb out on failure test -d "$_G_tmpdir" || \ func_fatal_error "cannot create temporary directory '$_G_tmpdir'" fi $ECHO "$_G_tmpdir" } # func_normal_abspath PATH # ------------------------ # Remove doubled-up and trailing slashes, "." path components, # and cancel out any ".." path components in PATH after making # it an absolute path. func_normal_abspath () { $debug_cmd # These SED scripts presuppose an absolute path with a trailing slash. _G_pathcar='s|^/\([^/]*\).*$|\1|' _G_pathcdr='s|^/[^/]*||' _G_removedotparts=':dotsl s|/\./|/|g t dotsl s|/\.$|/|' _G_collapseslashes='s|/\{1,\}|/|g' _G_finalslash='s|/*$|/|' # Start from root dir and reassemble the path. func_normal_abspath_result= func_normal_abspath_tpath=$1 func_normal_abspath_altnamespace= case $func_normal_abspath_tpath in "") # Empty path, that just means $cwd. func_stripname '' '/' "`pwd`" func_normal_abspath_result=$func_stripname_result return ;; # The next three entries are used to spot a run of precisely # two leading slashes without using negated character classes; # we take advantage of case's first-match behaviour. ///*) # Unusual form of absolute path, do nothing. ;; //*) # Not necessarily an ordinary path; POSIX reserves leading '//' # and for example Cygwin uses it to access remote file shares # over CIFS/SMB, so we conserve a leading double slash if found. func_normal_abspath_altnamespace=/ ;; /*) # Absolute path, do nothing. ;; *) # Relative path, prepend $cwd. func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath ;; esac # Cancel out all the simple stuff to save iterations. We also want # the path to end with a slash for ease of parsing, so make sure # there is one (and only one) here. func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` while :; do # Processed it all yet? if test / = "$func_normal_abspath_tpath"; then # If we ascended to the root using ".." the result may be empty now. if test -z "$func_normal_abspath_result"; then func_normal_abspath_result=/ fi break fi func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcar"` func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ -e "$_G_pathcdr"` # Figure out what to do with it case $func_normal_abspath_tcomponent in "") # Trailing empty path component, ignore it. ;; ..) # Parent dir; strip last assembled component from result. func_dirname "$func_normal_abspath_result" func_normal_abspath_result=$func_dirname_result ;; *) # Actual path component, append it. func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" ;; esac done # Restore leading double-slash if one was found on entry. func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result } # func_notquiet ARG... # -------------------- # Echo program name prefixed message only when not in quiet mode. func_notquiet () { $debug_cmd $opt_quiet || func_echo ${1+"$@"} # A bug in bash halts the script if the last line of a function # fails when set -e is in force, so we need another command to # work around that: : } # func_relative_path SRCDIR DSTDIR # -------------------------------- # Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. func_relative_path () { $debug_cmd func_relative_path_result= func_normal_abspath "$1" func_relative_path_tlibdir=$func_normal_abspath_result func_normal_abspath "$2" func_relative_path_tbindir=$func_normal_abspath_result # Ascend the tree starting from libdir while :; do # check if we have found a prefix of bindir case $func_relative_path_tbindir in $func_relative_path_tlibdir) # found an exact match func_relative_path_tcancelled= break ;; $func_relative_path_tlibdir*) # found a matching prefix func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" func_relative_path_tcancelled=$func_stripname_result if test -z "$func_relative_path_result"; then func_relative_path_result=. fi break ;; *) func_dirname $func_relative_path_tlibdir func_relative_path_tlibdir=$func_dirname_result if test -z "$func_relative_path_tlibdir"; then # Have to descend all the way to the root! func_relative_path_result=../$func_relative_path_result func_relative_path_tcancelled=$func_relative_path_tbindir break fi func_relative_path_result=../$func_relative_path_result ;; esac done # Now calculate path; take care to avoid doubling-up slashes. func_stripname '' '/' "$func_relative_path_result" func_relative_path_result=$func_stripname_result func_stripname '/' '/' "$func_relative_path_tcancelled" if test -n "$func_stripname_result"; then func_append func_relative_path_result "/$func_stripname_result" fi # Normalisation. If bindir is libdir, return '.' else relative path. if test -n "$func_relative_path_result"; then func_stripname './' '' "$func_relative_path_result" func_relative_path_result=$func_stripname_result fi test -n "$func_relative_path_result" || func_relative_path_result=. : } # func_quote_portable EVAL ARG # ---------------------------- # Internal function to portably implement func_quote_arg. Note that we still # keep attention to performance here so we as much as possible try to avoid # calling sed binary (so far O(N) complexity as long as func_append is O(1)). func_quote_portable () { $debug_cmd $require_check_ifs_backslash func_quote_portable_result=$2 # one-time-loop (easy break) while true do if $1; then func_quote_portable_result=`$ECHO "$2" | $SED \ -e "$sed_double_quote_subst" -e "$sed_double_backslash"` break fi # Quote for eval. case $func_quote_portable_result in *[\\\`\"\$]*) # Fallback to sed for $func_check_bs_ifs_broken=:, or when the string # contains the shell wildcard characters. case $check_ifs_backshlash_broken$func_quote_portable_result in :*|*[\[\*\?]*) func_quote_portable_result=`$ECHO "$func_quote_portable_result" \ | $SED "$sed_quote_subst"` break ;; esac func_quote_portable_old_IFS=$IFS for _G_char in '\' '`' '"' '$' do # STATE($1) PREV($2) SEPARATOR($3) set start "" "" func_quote_portable_result=dummy"$_G_char$func_quote_portable_result$_G_char"dummy IFS=$_G_char for _G_part in $func_quote_portable_result do case $1 in quote) func_append func_quote_portable_result "$3$2" set quote "$_G_part" "\\$_G_char" ;; start) set first "" "" func_quote_portable_result= ;; first) set quote "$_G_part" "" ;; esac done done IFS=$func_quote_portable_old_IFS ;; *) ;; esac break done func_quote_portable_unquoted_result=$func_quote_portable_result case $func_quote_portable_result in # double-quote args containing shell metacharacters to delay # word splitting, command substitution and variable expansion # for a subsequent eval. # many bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") func_quote_portable_result=\"$func_quote_portable_result\" ;; esac } # func_quotefast_eval ARG # ----------------------- # Quote one ARG (internal). This is equivalent to 'func_quote_arg eval ARG', # but optimized for speed. Result is stored in $func_quotefast_eval. if test xyes = `(x=; printf -v x %q yes; echo x"$x") 2>/dev/null`; then printf -v _GL_test_printf_tilde %q '~' if test '\~' = "$_GL_test_printf_tilde"; then func_quotefast_eval () { printf -v func_quotefast_eval_result %q "$1" } else # Broken older Bash implementations. Make those faster too if possible. func_quotefast_eval () { case $1 in '~'*) func_quote_portable false "$1" func_quotefast_eval_result=$func_quote_portable_result ;; *) printf -v func_quotefast_eval_result %q "$1" ;; esac } fi else func_quotefast_eval () { func_quote_portable false "$1" func_quotefast_eval_result=$func_quote_portable_result } fi # func_quote_arg MODEs ARG # ------------------------ # Quote one ARG to be evaled later. MODEs argument may contain zero or more # specifiers listed below separated by ',' character. This function returns two # values: # i) func_quote_arg_result # double-quoted (when needed), suitable for a subsequent eval # ii) func_quote_arg_unquoted_result # has all characters that are still active within double # quotes backslashified. Available only if 'unquoted' is specified. # # Available modes: # ---------------- # 'eval' (default) # - escape shell special characters # 'expand' # - the same as 'eval'; but do not quote variable references # 'pretty' # - request aesthetic output, i.e. '"a b"' instead of 'a\ b'. This might # be used later in func_quote to get output like: 'echo "a b"' instead # of 'echo a\ b'. This is slower than default on some shells. # 'unquoted' # - produce also $func_quote_arg_unquoted_result which does not contain # wrapping double-quotes. # # Examples for 'func_quote_arg pretty,unquoted string': # # string | *_result | *_unquoted_result # ------------+-----------------------+------------------- # " | \" | \" # a b | "a b" | a b # "a b" | "\"a b\"" | \"a b\" # * | "*" | * # z="${x-$y}" | "z=\"\${x-\$y}\"" | z=\"\${x-\$y}\" # # Examples for 'func_quote_arg pretty,unquoted,expand string': # # string | *_result | *_unquoted_result # --------------+---------------------+-------------------- # z="${x-$y}" | "z=\"${x-$y}\"" | z=\"${x-$y}\" func_quote_arg () { _G_quote_expand=false case ,$1, in *,expand,*) _G_quote_expand=: ;; esac case ,$1, in *,pretty,*|*,expand,*|*,unquoted,*) func_quote_portable $_G_quote_expand "$2" func_quote_arg_result=$func_quote_portable_result func_quote_arg_unquoted_result=$func_quote_portable_unquoted_result ;; *) # Faster quote-for-eval for some shells. func_quotefast_eval "$2" func_quote_arg_result=$func_quotefast_eval_result ;; esac } # func_quote MODEs ARGs... # ------------------------ # Quote all ARGs to be evaled later and join them into single command. See # func_quote_arg's description for more info. func_quote () { $debug_cmd _G_func_quote_mode=$1 ; shift func_quote_result= while test 0 -lt $#; do func_quote_arg "$_G_func_quote_mode" "$1" if test -n "$func_quote_result"; then func_append func_quote_result " $func_quote_arg_result" else func_append func_quote_result "$func_quote_arg_result" fi shift done } # func_stripname PREFIX SUFFIX NAME # --------------------------------- # strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. # PREFIX and SUFFIX must not contain globbing or regex special # characters, hashes, percent signs, but SUFFIX may contain a leading # dot (in which case that matches only a dot). if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_stripname () { $debug_cmd # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are # positional parameters, so assign one to ordinary variable first. func_stripname_result=$3 func_stripname_result=${func_stripname_result#"$1"} func_stripname_result=${func_stripname_result%"$2"} }' else func_stripname () { $debug_cmd case $2 in .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; esac } fi # func_show_eval CMD [FAIL_EXP] # ----------------------------- # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. func_show_eval () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} func_quote_arg pretty,expand "$_G_cmd" eval "func_notquiet $func_quote_arg_result" $opt_dry_run || { eval "$_G_cmd" _G_status=$? if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_show_eval_locale CMD [FAIL_EXP] # ------------------------------------ # Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is # not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP # is given, then evaluate it. Use the saved locale for evaluation. func_show_eval_locale () { $debug_cmd _G_cmd=$1 _G_fail_exp=${2-':'} $opt_quiet || { func_quote_arg expand,pretty "$_G_cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || { eval "$_G_user_locale $_G_cmd" _G_status=$? eval "$_G_safe_locale" if test 0 -ne "$_G_status"; then eval "(exit $_G_status); $_G_fail_exp" fi } } # func_tr_sh # ---------- # Turn $1 into a string suitable for a shell variable name. # Result is stored in $func_tr_sh_result. All characters # not in the set a-zA-Z0-9_ are replaced with '_'. Further, # if $1 begins with a digit, a '_' is prepended as well. func_tr_sh () { $debug_cmd case $1 in [0-9]* | *[!a-zA-Z0-9_]*) func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` ;; * ) func_tr_sh_result=$1 ;; esac } # func_verbose ARG... # ------------------- # Echo program name prefixed message in verbose mode only. func_verbose () { $debug_cmd $opt_verbose && func_echo "$*" : } # func_warn_and_continue ARG... # ----------------------------- # Echo program name prefixed warning message to standard error. func_warn_and_continue () { $debug_cmd $require_term_colors func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 } # func_warning CATEGORY ARG... # ---------------------------- # Echo program name prefixed warning message to standard error. Warning # messages can be filtered according to CATEGORY, where this function # elides messages where CATEGORY is not listed in the global variable # 'opt_warning_types'. func_warning () { $debug_cmd # CATEGORY must be in the warning_categories list! case " $warning_categories " in *" $1 "*) ;; *) func_internal_error "invalid warning category '$1'" ;; esac _G_category=$1 shift case " $opt_warning_types " in *" $_G_category "*) $warning_func ${1+"$@"} ;; esac } # func_sort_ver VER1 VER2 # ----------------------- # 'sort -V' is not generally available. # Note this deviates from the version comparison in automake # in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a # but this should suffice as we won't be specifying old # version formats or redundant trailing .0 in bootstrap.conf. # If we did want full compatibility then we should probably # use m4_version_compare from autoconf. func_sort_ver () { $debug_cmd printf '%s\n%s\n' "$1" "$2" \ | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n } # func_lt_ver PREV CURR # --------------------- # Return true if PREV and CURR are in the correct order according to # func_sort_ver, otherwise false. Use it like this: # # func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." func_lt_ver () { $debug_cmd test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: #! /bin/sh # A portable, pluggable option parser for Bourne shell. # Written by Gary V. Vaughan, 2010 # This is free software. There is NO warranty; not even for # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Copyright (C) 2010-2019, 2021 Bootstrap Authors # # This file is dual licensed under the terms of the MIT license # , and GPL version 2 or later # . You must apply one of # these licenses when using or redistributing this software or any of # the files within it. See the URLs above, or the file `LICENSE` # included in the Bootstrap distribution for the full license texts. # Please report bugs or propose patches to: # # Set a version string for this script. scriptversion=2019-02-19.15; # UTC ## ------ ## ## Usage. ## ## ------ ## # This file is a library for parsing options in your shell scripts along # with assorted other useful supporting features that you can make use # of too. # # For the simplest scripts you might need only: # # #!/bin/sh # . relative/path/to/funclib.sh # . relative/path/to/options-parser # scriptversion=1.0 # func_options ${1+"$@"} # eval set dummy "$func_options_result"; shift # ...rest of your script... # # In order for the '--version' option to work, you will need to have a # suitably formatted comment like the one at the top of this file # starting with '# Written by ' and ending with '# Copyright'. # # For '-h' and '--help' to work, you will also need a one line # description of your script's purpose in a comment directly above the # '# Written by ' line, like the one at the top of this file. # # The default options also support '--debug', which will turn on shell # execution tracing (see the comment above debug_cmd below for another # use), and '--verbose' and the func_verbose function to allow your script # to display verbose messages only when your user has specified # '--verbose'. # # After sourcing this file, you can plug in processing for additional # options by amending the variables from the 'Configuration' section # below, and following the instructions in the 'Option parsing' # section further down. ## -------------- ## ## Configuration. ## ## -------------- ## # You should override these variables in your script after sourcing this # file so that they reflect the customisations you have added to the # option parser. # The usage line for option parsing errors and the start of '-h' and # '--help' output messages. You can embed shell variables for delayed # expansion at the time the message is displayed, but you will need to # quote other shell meta-characters carefully to prevent them being # expanded when the contents are evaled. usage='$progpath [OPTION]...' # Short help message in response to '-h' and '--help'. Add to this or # override it after sourcing this library to reflect the full set of # options your script accepts. usage_message="\ --debug enable verbose shell tracing -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -v, --verbose verbosely report processing --version print version information and exit -h, --help print short or long help message and exit " # Additional text appended to 'usage_message' in response to '--help'. long_help_message=" Warning categories include: 'all' show all warnings 'none' turn off all the warnings 'error' warnings are treated as fatal errors" # Help message printed before fatal option parsing errors. fatal_help="Try '\$progname --help' for more information." ## ------------------------- ## ## Hook function management. ## ## ------------------------- ## # This section contains functions for adding, removing, and running hooks # in the main code. A hook is just a list of function names that can be # run in order later on. # func_hookable FUNC_NAME # ----------------------- # Declare that FUNC_NAME will run hooks added with # 'func_add_hook FUNC_NAME ...'. func_hookable () { $debug_cmd func_append hookable_fns " $1" } # func_add_hook FUNC_NAME HOOK_FUNC # --------------------------------- # Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must # first have been declared "hookable" by a call to 'func_hookable'. func_add_hook () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not accept hook functions." ;; esac eval func_append ${1}_hooks '" $2"' } # func_remove_hook FUNC_NAME HOOK_FUNC # ------------------------------------ # Remove HOOK_FUNC from the list of hook functions to be called by # FUNC_NAME. func_remove_hook () { $debug_cmd eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' } # func_propagate_result FUNC_NAME_A FUNC_NAME_B # --------------------------------------------- # If the *_result variable of FUNC_NAME_A _is set_, assign its value to # *_result variable of FUNC_NAME_B. func_propagate_result () { $debug_cmd func_propagate_result_result=: if eval "test \"\${${1}_result+set}\" = set" then eval "${2}_result=\$${1}_result" else func_propagate_result_result=false fi } # func_run_hooks FUNC_NAME [ARG]... # --------------------------------- # Run all hook functions registered to FUNC_NAME. # It's assumed that the list of hook functions contains nothing more # than a whitespace-delimited list of legal shell function names, and # no effort is wasted trying to catch shell meta-characters or preserve # whitespace. func_run_hooks () { $debug_cmd case " $hookable_fns " in *" $1 "*) ;; *) func_fatal_error "'$1' does not support hook functions." ;; esac eval _G_hook_fns=\$$1_hooks; shift for _G_hook in $_G_hook_fns; do func_unset "${_G_hook}_result" eval $_G_hook '${1+"$@"}' func_propagate_result $_G_hook func_run_hooks if $func_propagate_result_result; then eval set dummy "$func_run_hooks_result"; shift fi done } ## --------------- ## ## Option parsing. ## ## --------------- ## # In order to add your own option parsing hooks, you must accept the # full positional parameter list from your hook function. You may remove # or edit any options that you action, and then pass back the remaining # unprocessed options in '_result', escaped # suitably for 'eval'. # # The '_result' variable is automatically unset # before your hook gets called; for best performance, only set the # *_result variable when necessary (i.e. don't call the 'func_quote' # function unnecessarily because it can be an expensive operation on some # machines). # # Like this: # # my_options_prep () # { # $debug_cmd # # # Extend the existing usage message. # usage_message=$usage_message' # -s, --silent don'\''t print informational messages # ' # # No change in '$@' (ignored completely by this hook). Leave # # my_options_prep_result variable intact. # } # func_add_hook func_options_prep my_options_prep # # # my_silent_option () # { # $debug_cmd # # args_changed=false # # # Note that, for efficiency, we parse as many options as we can # # recognise in a loop before passing the remainder back to the # # caller on the first unrecognised argument we encounter. # while test $# -gt 0; do # opt=$1; shift # case $opt in # --silent|-s) opt_silent=: # args_changed=: # ;; # # Separate non-argument short options: # -s*) func_split_short_opt "$_G_opt" # set dummy "$func_split_short_opt_name" \ # "-$func_split_short_opt_arg" ${1+"$@"} # shift # args_changed=: # ;; # *) # Make sure the first unrecognised option "$_G_opt" # # is added back to "$@" in case we need it later, # # if $args_changed was set to 'true'. # set dummy "$_G_opt" ${1+"$@"}; shift; break ;; # esac # done # # # Only call 'func_quote' here if we processed at least one argument. # if $args_changed; then # func_quote eval ${1+"$@"} # my_silent_option_result=$func_quote_result # fi # } # func_add_hook func_parse_options my_silent_option # # # my_option_validation () # { # $debug_cmd # # $opt_silent && $opt_verbose && func_fatal_help "\ # '--silent' and '--verbose' options are mutually exclusive." # } # func_add_hook func_validate_options my_option_validation # # You'll also need to manually amend $usage_message to reflect the extra # options you parse. It's preferable to append if you can, so that # multiple option parsing hooks can be added safely. # func_options_finish [ARG]... # ---------------------------- # Finishing the option parse loop (call 'func_options' hooks ATM). func_options_finish () { $debug_cmd func_run_hooks func_options ${1+"$@"} func_propagate_result func_run_hooks func_options_finish } # func_options [ARG]... # --------------------- # All the functions called inside func_options are hookable. See the # individual implementations for details. func_hookable func_options func_options () { $debug_cmd _G_options_quoted=false for my_func in options_prep parse_options validate_options options_finish do func_unset func_${my_func}_result func_unset func_run_hooks_result eval func_$my_func '${1+"$@"}' func_propagate_result func_$my_func func_options if $func_propagate_result_result; then eval set dummy "$func_options_result"; shift _G_options_quoted=: fi done $_G_options_quoted || { # As we (func_options) are top-level options-parser function and # nobody quoted "$@" for us yet, we need to do it explicitly for # caller. func_quote eval ${1+"$@"} func_options_result=$func_quote_result } } # func_options_prep [ARG]... # -------------------------- # All initialisations required before starting the option parse loop. # Note that when calling hook functions, we pass through the list of # positional parameters. If a hook function modifies that list, and # needs to propagate that back to rest of this script, then the complete # modified list must be put in 'func_run_hooks_result' before returning. func_hookable func_options_prep func_options_prep () { $debug_cmd # Option defaults: opt_verbose=false opt_warning_types= func_run_hooks func_options_prep ${1+"$@"} func_propagate_result func_run_hooks func_options_prep } # func_parse_options [ARG]... # --------------------------- # The main option parsing loop. func_hookable func_parse_options func_parse_options () { $debug_cmd _G_parse_options_requote=false # this just eases exit handling while test $# -gt 0; do # Defer to hook functions for initial option parsing, so they # get priority in the event of reusing an option name. func_run_hooks func_parse_options ${1+"$@"} func_propagate_result func_run_hooks func_parse_options if $func_propagate_result_result; then eval set dummy "$func_parse_options_result"; shift # Even though we may have changed "$@", we passed the "$@" array # down into the hook and it quoted it for us (because we are in # this if-branch). No need to quote it again. _G_parse_options_requote=false fi # Break out of the loop if we already parsed every option. test $# -gt 0 || break # We expect that one of the options parsed in this function matches # and thus we remove _G_opt from "$@" and need to re-quote. _G_match_parse_options=: _G_opt=$1 shift case $_G_opt in --debug|-x) debug_cmd='set -x' func_echo "enabling shell trace mode" >&2 $debug_cmd ;; --no-warnings|--no-warning|--no-warn) set dummy --warnings none ${1+"$@"} shift ;; --warnings|--warning|-W) if test $# = 0 && func_missing_arg $_G_opt; then _G_parse_options_requote=: break fi case " $warning_categories $1" in *" $1 "*) # trailing space prevents matching last $1 above func_append_uniq opt_warning_types " $1" ;; *all) opt_warning_types=$warning_categories ;; *none) opt_warning_types=none warning_func=: ;; *error) opt_warning_types=$warning_categories warning_func=func_fatal_error ;; *) func_fatal_error \ "unsupported warning category: '$1'" ;; esac shift ;; --verbose|-v) opt_verbose=: ;; --version) func_version ;; -\?|-h) func_usage ;; --help) func_help ;; # Separate optargs to long options (plugins may need this): --*=*) func_split_equals "$_G_opt" set dummy "$func_split_equals_lhs" \ "$func_split_equals_rhs" ${1+"$@"} shift ;; # Separate optargs to short options: -W*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "$func_split_short_opt_arg" ${1+"$@"} shift ;; # Separate non-argument short options: -\?*|-h*|-v*|-x*) func_split_short_opt "$_G_opt" set dummy "$func_split_short_opt_name" \ "-$func_split_short_opt_arg" ${1+"$@"} shift ;; --) _G_parse_options_requote=: ; break ;; -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; *) set dummy "$_G_opt" ${1+"$@"}; shift _G_match_parse_options=false break ;; esac if $_G_match_parse_options; then _G_parse_options_requote=: fi done if $_G_parse_options_requote; then # save modified positional parameters for caller func_quote eval ${1+"$@"} func_parse_options_result=$func_quote_result fi } # func_validate_options [ARG]... # ------------------------------ # Perform any sanity checks on option settings and/or unconsumed # arguments. func_hookable func_validate_options func_validate_options () { $debug_cmd # Display all warnings if -W was not given. test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" func_run_hooks func_validate_options ${1+"$@"} func_propagate_result func_run_hooks func_validate_options # Bail if the options were screwed! $exit_cmd $EXIT_FAILURE } ## ----------------- ## ## Helper functions. ## ## ----------------- ## # This section contains the helper functions used by the rest of the # hookable option parser framework in ascii-betical order. # func_fatal_help ARG... # ---------------------- # Echo program name prefixed message to standard error, followed by # a help hint, and exit. func_fatal_help () { $debug_cmd eval \$ECHO \""Usage: $usage"\" eval \$ECHO \""$fatal_help"\" func_error ${1+"$@"} exit $EXIT_FAILURE } # func_help # --------- # Echo long help message to standard output and exit. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message" exit 0 } # func_missing_arg ARGNAME # ------------------------ # Echo program name prefixed message to standard error and set global # exit_cmd. func_missing_arg () { $debug_cmd func_error "Missing argument for '$1'." exit_cmd=exit } # func_split_equals STRING # ------------------------ # Set func_split_equals_lhs and func_split_equals_rhs shell variables # after splitting STRING at the '=' sign. test -z "$_G_HAVE_XSI_OPS" \ && (eval 'x=a/b/c; test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ && _G_HAVE_XSI_OPS=yes if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_equals () { $debug_cmd func_split_equals_lhs=${1%%=*} func_split_equals_rhs=${1#*=} if test "x$func_split_equals_lhs" = "x$1"; then func_split_equals_rhs= fi }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_equals () { $debug_cmd func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` func_split_equals_rhs= test "x$func_split_equals_lhs=" = "x$1" \ || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` } fi #func_split_equals # func_split_short_opt SHORTOPT # ----------------------------- # Set func_split_short_opt_name and func_split_short_opt_arg shell # variables after splitting SHORTOPT after the 2nd character. if test yes = "$_G_HAVE_XSI_OPS" then # This is an XSI compatible shell, allowing a faster implementation... eval 'func_split_short_opt () { $debug_cmd func_split_short_opt_arg=${1#??} func_split_short_opt_name=${1%"$func_split_short_opt_arg"} }' else # ...otherwise fall back to using expr, which is often a shell builtin. func_split_short_opt () { $debug_cmd func_split_short_opt_name=`expr "x$1" : 'x\(-.\)'` func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` } fi #func_split_short_opt # func_usage # ---------- # Echo short help message to standard output and exit. func_usage () { $debug_cmd func_usage_message $ECHO "Run '$progname --help |${PAGER-more}' for full usage" exit 0 } # func_usage_message # ------------------ # Echo short help message to standard output. func_usage_message () { $debug_cmd eval \$ECHO \""Usage: $usage"\" echo $SED -n 's|^# || /^Written by/{ x;p;x } h /^Written by/q' < "$progpath" echo eval \$ECHO \""$usage_message"\" } # func_version # ------------ # Echo version message to standard output and exit. # The version message is extracted from the calling file's header # comments, with leading '# ' stripped: # 1. First display the progname and version # 2. Followed by the header comment line matching /^# Written by / # 3. Then a blank line followed by the first following line matching # /^# Copyright / # 4. Immediately followed by any lines between the previous matches, # except lines preceding the intervening completely blank line. # For example, see the header comments of this file. func_version () { $debug_cmd printf '%s\n' "$progname $scriptversion" $SED -n ' /^# Written by /!b s|^# ||; p; n :fwd2blnk /./ { n b fwd2blnk } p; n :holdwrnt s|^# || s|^# *$|| /^Copyright /!{ /./H n b holdwrnt } s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| G s|\(\n\)\n*|\1|g p; q' < "$progpath" exit $? } # Local variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-pattern: "30/scriptversion=%:y-%02m-%02d.%02H; # UTC" # time-stamp-time-zone: "UTC" # End: # Set a version string. scriptversion='(GNU libtool) 2.4.7' # func_echo ARG... # ---------------- # Libtool also displays the current mode in messages, so override # funclib.sh func_echo with this custom definition. func_echo () { $debug_cmd _G_message=$* func_echo_IFS=$IFS IFS=$nl for _G_line in $_G_message; do IFS=$func_echo_IFS $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" done IFS=$func_echo_IFS } # func_warning ARG... # ------------------- # Libtool warnings are not categorized, so override funclib.sh # func_warning with this simpler definition. func_warning () { $debug_cmd $warning_func ${1+"$@"} } ## ---------------- ## ## Options parsing. ## ## ---------------- ## # Hook in the functions to make sure our own options are parsed during # the option parsing loop. usage='$progpath [OPTION]... [MODE-ARG]...' # Short help message in response to '-h'. usage_message="Options: --config show all configuration variables --debug enable verbose shell tracing -n, --dry-run display commands without modifying any files --features display basic configuration information and exit --mode=MODE use operation mode MODE --no-warnings equivalent to '-Wnone' --preserve-dup-deps don't remove duplicate dependency libraries --quiet, --silent don't print informational messages --tag=TAG use configuration variables from tag TAG -v, --verbose print more informational messages than default --version print version information -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] -h, --help, --help-all print short, long, or detailed help message " # Additional text appended to 'usage_message' in response to '--help'. func_help () { $debug_cmd func_usage_message $ECHO "$long_help_message MODE must be one of the following: clean remove files from the build directory compile compile a source file into a libtool object execute automatically set library path, then run a program finish complete the installation of libtool libraries install install libraries or executables link create a library or an executable uninstall remove libraries from an installed directory MODE-ARGS vary depending on the MODE. When passed as first option, '--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. Try '$progname --help --mode=MODE' for a more detailed description of MODE. When reporting a bug, please describe a test case to reproduce it and include the following information: host-triplet: $host shell: $SHELL compiler: $LTCC compiler flags: $LTCFLAGS linker: $LD (gnu? $with_gnu_ld) version: $progname (GNU libtool) 2.4.7 automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` Report bugs to . GNU libtool home page: . General help using GNU software: ." exit 0 } # func_lo2o OBJECT-NAME # --------------------- # Transform OBJECT-NAME from a '.lo' suffix to the platform specific # object suffix. lo2o=s/\\.lo\$/.$objext/ o2lo=s/\\.$objext\$/.lo/ if test yes = "$_G_HAVE_XSI_OPS"; then eval 'func_lo2o () { case $1 in *.lo) func_lo2o_result=${1%.lo}.$objext ;; * ) func_lo2o_result=$1 ;; esac }' # func_xform LIBOBJ-OR-SOURCE # --------------------------- # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) # suffix to a '.lo' libtool-object suffix. eval 'func_xform () { func_xform_result=${1%.*}.lo }' else # ...otherwise fall back to using sed. func_lo2o () { func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` } func_xform () { func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` } fi # func_fatal_configuration ARG... # ------------------------------- # Echo program name prefixed message to standard error, followed by # a configuration failure hint, and exit. func_fatal_configuration () { func_fatal_error ${1+"$@"} \ "See the $PACKAGE documentation for more information." \ "Fatal configuration error." } # func_config # ----------- # Display the configuration for all the tags in this script. func_config () { re_begincf='^# ### BEGIN LIBTOOL' re_endcf='^# ### END LIBTOOL' # Default configuration. $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" # Now print the configurations for the tags. for tagname in $taglist; do $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" done exit $? } # func_features # ------------- # Display the features supported by this script. func_features () { echo "host: $host" if test yes = "$build_libtool_libs"; then echo "enable shared libraries" else echo "disable shared libraries" fi if test yes = "$build_old_libs"; then echo "enable static libraries" else echo "disable static libraries" fi exit $? } # func_enable_tag TAGNAME # ----------------------- # Verify that TAGNAME is valid, and either flag an error and exit, or # enable the TAGNAME tag. We also add TAGNAME to the global $taglist # variable here. func_enable_tag () { # Global variable: tagname=$1 re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" sed_extractcf=/$re_begincf/,/$re_endcf/p # Validate tagname. case $tagname in *[!-_A-Za-z0-9,/]*) func_fatal_error "invalid tag name: $tagname" ;; esac # Don't test for the "default" C tag, as we know it's # there but not specially marked. case $tagname in CC) ;; *) if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then taglist="$taglist $tagname" # Evaluate the configuration. Be careful to quote the path # and the sed script, to avoid splitting on whitespace, but # also don't use non-portable quotes within backquotes within # quotes we have to do it in 2 steps: extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` eval "$extractedcf" else func_error "ignoring unknown tag $tagname" fi ;; esac } # func_check_version_match # ------------------------ # Ensure that we are using m4 macros, and libtool script from the same # release of libtool. func_check_version_match () { if test "$package_revision" != "$macro_revision"; then if test "$VERSION" != "$macro_version"; then if test -z "$macro_version"; then cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from an older release. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, but the $progname: definition of this LT_INIT comes from $PACKAGE $macro_version. $progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION $progname: and run autoconf again. _LT_EOF fi else cat >&2 <<_LT_EOF $progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, $progname: but the definition of this LT_INIT comes from revision $macro_revision. $progname: You should recreate aclocal.m4 with macros from revision $package_revision $progname: of $PACKAGE $VERSION and run autoconf again. _LT_EOF fi exit $EXIT_MISMATCH fi } # libtool_options_prep [ARG]... # ----------------------------- # Preparation for options parsed by libtool. libtool_options_prep () { $debug_mode # Option defaults: opt_config=false opt_dlopen= opt_dry_run=false opt_help=false opt_mode= opt_preserve_dup_deps=false opt_quiet=false nonopt= preserve_args= _G_rc_lt_options_prep=: # Shorthand for --mode=foo, only valid as the first argument case $1 in clean|clea|cle|cl) shift; set dummy --mode clean ${1+"$@"}; shift ;; compile|compil|compi|comp|com|co|c) shift; set dummy --mode compile ${1+"$@"}; shift ;; execute|execut|execu|exec|exe|ex|e) shift; set dummy --mode execute ${1+"$@"}; shift ;; finish|finis|fini|fin|fi|f) shift; set dummy --mode finish ${1+"$@"}; shift ;; install|instal|insta|inst|ins|in|i) shift; set dummy --mode install ${1+"$@"}; shift ;; link|lin|li|l) shift; set dummy --mode link ${1+"$@"}; shift ;; uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) shift; set dummy --mode uninstall ${1+"$@"}; shift ;; *) _G_rc_lt_options_prep=false ;; esac if $_G_rc_lt_options_prep; then # Pass back the list of options. func_quote eval ${1+"$@"} libtool_options_prep_result=$func_quote_result fi } func_add_hook func_options_prep libtool_options_prep # libtool_parse_options [ARG]... # --------------------------------- # Provide handling for libtool specific options. libtool_parse_options () { $debug_cmd _G_rc_lt_parse_options=false # Perform our own loop to consume as many options as possible in # each iteration. while test $# -gt 0; do _G_match_lt_parse_options=: _G_opt=$1 shift case $_G_opt in --dry-run|--dryrun|-n) opt_dry_run=: ;; --config) func_config ;; --dlopen|-dlopen) opt_dlopen="${opt_dlopen+$opt_dlopen }$1" shift ;; --preserve-dup-deps) opt_preserve_dup_deps=: ;; --features) func_features ;; --finish) set dummy --mode finish ${1+"$@"}; shift ;; --help) opt_help=: ;; --help-all) opt_help=': help-all' ;; --mode) test $# = 0 && func_missing_arg $_G_opt && break opt_mode=$1 case $1 in # Valid mode arguments: clean|compile|execute|finish|install|link|relink|uninstall) ;; # Catch anything else as an error *) func_error "invalid argument for $_G_opt" exit_cmd=exit break ;; esac shift ;; --no-silent|--no-quiet) opt_quiet=false func_append preserve_args " $_G_opt" ;; --no-warnings|--no-warning|--no-warn) opt_warning=false func_append preserve_args " $_G_opt" ;; --no-verbose) opt_verbose=false func_append preserve_args " $_G_opt" ;; --silent|--quiet) opt_quiet=: opt_verbose=false func_append preserve_args " $_G_opt" ;; --tag) test $# = 0 && func_missing_arg $_G_opt && break opt_tag=$1 func_append preserve_args " $_G_opt $1" func_enable_tag "$1" shift ;; --verbose|-v) opt_quiet=false opt_verbose=: func_append preserve_args " $_G_opt" ;; # An option not handled by this hook function: *) set dummy "$_G_opt" ${1+"$@"} ; shift _G_match_lt_parse_options=false break ;; esac $_G_match_lt_parse_options && _G_rc_lt_parse_options=: done if $_G_rc_lt_parse_options; then # save modified positional parameters for caller func_quote eval ${1+"$@"} libtool_parse_options_result=$func_quote_result fi } func_add_hook func_parse_options libtool_parse_options # libtool_validate_options [ARG]... # --------------------------------- # Perform any sanity checks on option settings and/or unconsumed # arguments. libtool_validate_options () { # save first non-option argument if test 0 -lt $#; then nonopt=$1 shift fi # preserve --debug test : = "$debug_cmd" || func_append preserve_args " --debug" case $host in # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 *cygwin* | *msys* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) # don't eliminate duplications in $postdeps and $predeps opt_duplicate_compiler_generated_deps=: ;; *) opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps ;; esac $opt_help || { # Sanity checks first: func_check_version_match test yes != "$build_libtool_libs" \ && test yes != "$build_old_libs" \ && func_fatal_configuration "not configured to build any kind of library" # Darwin sucks eval std_shrext=\"$shrext_cmds\" # Only execute mode is allowed to have -dlopen flags. if test -n "$opt_dlopen" && test execute != "$opt_mode"; then func_error "unrecognized option '-dlopen'" $ECHO "$help" 1>&2 exit $EXIT_FAILURE fi # Change the help message to a mode-specific one. generic_help=$help help="Try '$progname --help --mode=$opt_mode' for more information." } # Pass back the unparsed argument list func_quote eval ${1+"$@"} libtool_validate_options_result=$func_quote_result } func_add_hook func_validate_options libtool_validate_options # Process options as early as possible so that --help and --version # can return quickly. func_options ${1+"$@"} eval set dummy "$func_options_result"; shift ## ----------- ## ## Main. ## ## ----------- ## magic='%%%MAGIC variable%%%' magic_exe='%%%MAGIC EXE variable%%%' # Global variables. extracted_archives= extracted_serial=0 # If this variable is set in any of the actions, the command in it # will be execed at the end. This prevents here-documents from being # left over by shells. exec_cmd= # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF $1 _LTECHO_EOF' } # func_generated_by_libtool # True iff stdin has been generated by Libtool. This function is only # a basic sanity check; it will hardly flush out determined imposters. func_generated_by_libtool_p () { $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 } # func_lalib_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_lalib_p () { test -f "$1" && $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p } # func_lalib_unsafe_p file # True iff FILE is a libtool '.la' library or '.lo' object file. # This function implements the same check as func_lalib_p without # resorting to external programs. To this end, it redirects stdin and # closes it afterwards, without saving the original file descriptor. # As a safety measure, use it only where a negative result would be # fatal anyway. Works if 'file' does not exist. func_lalib_unsafe_p () { lalib_p=no if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then for lalib_p_l in 1 2 3 4 do read lalib_p_line case $lalib_p_line in \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; esac done exec 0<&5 5<&- fi test yes = "$lalib_p" } # func_ltwrapper_script_p file # True iff FILE is a libtool wrapper script # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_script_p () { test -f "$1" && $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p } # func_ltwrapper_executable_p file # True iff FILE is a libtool wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_executable_p () { func_ltwrapper_exec_suffix= case $1 in *.exe) ;; *) func_ltwrapper_exec_suffix=.exe ;; esac $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 } # func_ltwrapper_scriptname file # Assumes file is an ltwrapper_executable # uses $file to determine the appropriate filename for a # temporary ltwrapper_script. func_ltwrapper_scriptname () { func_dirname_and_basename "$1" "" "." func_stripname '' '.exe' "$func_basename_result" func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper } # func_ltwrapper_p file # True iff FILE is a libtool wrapper script or wrapper executable # This function is only a basic sanity check; it will hardly flush out # determined imposters. func_ltwrapper_p () { func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" } # func_execute_cmds commands fail_cmd # Execute tilde-delimited COMMANDS. # If FAIL_CMD is given, eval that upon failure. # FAIL_CMD may read-access the current command in variable CMD! func_execute_cmds () { $debug_cmd save_ifs=$IFS; IFS='~' for cmd in $1; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs func_show_eval "$cmd" "${2-:}" done IFS=$save_ifs } # func_source file # Source FILE, adding directory component if necessary. # Note that it is not necessary on cygwin/mingw to append a dot to # FILE even if both FILE and FILE.exe exist: automatic-append-.exe # behavior happens only for exec(3), not for open(2)! Also, sourcing # 'FILE.' does not work on cygwin managed mounts. func_source () { $debug_cmd case $1 in */* | *\\*) . "$1" ;; *) . "./$1" ;; esac } # func_resolve_sysroot PATH # Replace a leading = in PATH with a sysroot. Store the result into # func_resolve_sysroot_result func_resolve_sysroot () { func_resolve_sysroot_result=$1 case $func_resolve_sysroot_result in =*) func_stripname '=' '' "$func_resolve_sysroot_result" func_resolve_sysroot_result=$lt_sysroot$func_stripname_result ;; esac } # func_replace_sysroot PATH # If PATH begins with the sysroot, replace it with = and # store the result into func_replace_sysroot_result. func_replace_sysroot () { case $lt_sysroot:$1 in ?*:"$lt_sysroot"*) func_stripname "$lt_sysroot" '' "$1" func_replace_sysroot_result='='$func_stripname_result ;; *) # Including no sysroot. func_replace_sysroot_result=$1 ;; esac } # func_infer_tag arg # Infer tagged configuration to use if any are available and # if one wasn't chosen via the "--tag" command line option. # Only attempt this if the compiler in the base compile # command doesn't match the default compiler. # arg is usually of the form 'gcc ...' func_infer_tag () { $debug_cmd if test -n "$available_tags" && test -z "$tagname"; then CC_quoted= for arg in $CC; do func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case $@ in # Blanks in the command may have been stripped by the calling shell, # but not from the CC environment variable when configure was run. " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; # Blanks at the start of $base_compile will cause this to fail # if we don't check for them as well. *) for z in $available_tags; do if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then # Evaluate the configuration. eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" CC_quoted= for arg in $CC; do # Double-quote args containing other shell metacharacters. func_append_quoted CC_quoted "$arg" done CC_expanded=`func_echo_all $CC` CC_quoted_expanded=`func_echo_all $CC_quoted` case "$@ " in " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) # The compiler in the base compile command matches # the one in the tagged configuration. # Assume this is the tagged configuration we want. tagname=$z break ;; esac fi done # If $tagname still isn't set, then no tagged configuration # was found and let the user know that the "--tag" command # line option must be used. if test -z "$tagname"; then func_echo "unable to infer tagged configuration" func_fatal_error "specify a tag with '--tag'" # else # func_verbose "using $tagname tagged configuration" fi ;; esac fi } # func_write_libtool_object output_name pic_name nonpic_name # Create a libtool object file (analogous to a ".la" file), # but don't create it if we're doing a dry run. func_write_libtool_object () { write_libobj=$1 if test yes = "$build_libtool_libs"; then write_lobj=\'$2\' else write_lobj=none fi if test yes = "$build_old_libs"; then write_oldobj=\'$3\' else write_oldobj=none fi $opt_dry_run || { cat >${write_libobj}T </dev/null` if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | $SED -e "$sed_naive_backslashify"` else func_convert_core_file_wine_to_w32_result= fi fi } # end: func_convert_core_file_wine_to_w32 # func_convert_core_path_wine_to_w32 ARG # Helper function used by path conversion functions when $build is *nix, and # $host is mingw, cygwin, or some other w32 environment. Relies on a correctly # configured wine environment available, with the winepath program in $build's # $PATH. Assumes ARG has no leading or trailing path separator characters. # # ARG is path to be converted from $build format to win32. # Result is available in $func_convert_core_path_wine_to_w32_result. # Unconvertible file (directory) names in ARG are skipped; if no directory names # are convertible, then the result may be empty. func_convert_core_path_wine_to_w32 () { $debug_cmd # unfortunately, winepath doesn't convert paths, only file names func_convert_core_path_wine_to_w32_result= if test -n "$1"; then oldIFS=$IFS IFS=: for func_convert_core_path_wine_to_w32_f in $1; do IFS=$oldIFS func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" if test -n "$func_convert_core_file_wine_to_w32_result"; then if test -z "$func_convert_core_path_wine_to_w32_result"; then func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result else func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" fi fi done IFS=$oldIFS fi } # end: func_convert_core_path_wine_to_w32 # func_cygpath ARGS... # Wrapper around calling the cygpath program via LT_CYGPATH. This is used when # when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) # $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or # (2), returns the Cygwin file name or path in func_cygpath_result (input # file name or path is assumed to be in w32 format, as previously converted # from $build's *nix or MSYS format). In case (3), returns the w32 file name # or path in func_cygpath_result (input file name or path is assumed to be in # Cygwin format). Returns an empty string on error. # # ARGS are passed to cygpath, with the last one being the file name or path to # be converted. # # Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH # environment variable; do not put it in $PATH. func_cygpath () { $debug_cmd if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` if test "$?" -ne 0; then # on failure, ensure result is empty func_cygpath_result= fi else func_cygpath_result= func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" fi } #end: func_cygpath # func_convert_core_msys_to_w32 ARG # Convert file name or path ARG from MSYS format to w32 format. Return # result in func_convert_core_msys_to_w32_result. func_convert_core_msys_to_w32 () { $debug_cmd # awkward: cmd appends spaces to result func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` } #end: func_convert_core_msys_to_w32 # func_convert_file_check ARG1 ARG2 # Verify that ARG1 (a file name in $build format) was converted to $host # format in ARG2. Otherwise, emit an error message, but continue (resetting # func_to_host_file_result to ARG1). func_convert_file_check () { $debug_cmd if test -z "$2" && test -n "$1"; then func_error "Could not determine host file name corresponding to" func_error " '$1'" func_error "Continuing, but uninstalled executables may not work." # Fallback: func_to_host_file_result=$1 fi } # end func_convert_file_check # func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH # Verify that FROM_PATH (a path in $build format) was converted to $host # format in TO_PATH. Otherwise, emit an error message, but continue, resetting # func_to_host_file_result to a simplistic fallback value (see below). func_convert_path_check () { $debug_cmd if test -z "$4" && test -n "$3"; then func_error "Could not determine the host path corresponding to" func_error " '$3'" func_error "Continuing, but uninstalled executables may not work." # Fallback. This is a deliberately simplistic "conversion" and # should not be "improved". See libtool.info. if test "x$1" != "x$2"; then lt_replace_pathsep_chars="s|$1|$2|g" func_to_host_path_result=`echo "$3" | $SED -e "$lt_replace_pathsep_chars"` else func_to_host_path_result=$3 fi fi } # end func_convert_path_check # func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG # Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT # and appending REPL if ORIG matches BACKPAT. func_convert_path_front_back_pathsep () { $debug_cmd case $4 in $1 ) func_to_host_path_result=$3$func_to_host_path_result ;; esac case $4 in $2 ) func_append func_to_host_path_result "$3" ;; esac } # end func_convert_path_front_back_pathsep ################################################## # $build to $host FILE NAME CONVERSION FUNCTIONS # ################################################## # invoked via '$to_host_file_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # Result will be available in $func_to_host_file_result. # func_to_host_file ARG # Converts the file name ARG from $build format to $host format. Return result # in func_to_host_file_result. func_to_host_file () { $debug_cmd $to_host_file_cmd "$1" } # end func_to_host_file # func_to_tool_file ARG LAZY # converts the file name ARG from $build format to toolchain format. Return # result in func_to_tool_file_result. If the conversion in use is listed # in (the comma separated) LAZY, no conversion takes place. func_to_tool_file () { $debug_cmd case ,$2, in *,"$to_tool_file_cmd",*) func_to_tool_file_result=$1 ;; *) $to_tool_file_cmd "$1" func_to_tool_file_result=$func_to_host_file_result ;; esac } # end func_to_tool_file # func_convert_file_noop ARG # Copy ARG to func_to_host_file_result. func_convert_file_noop () { func_to_host_file_result=$1 } # end func_convert_file_noop # func_convert_file_msys_to_w32 ARG # Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_file_result. func_convert_file_msys_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_to_host_file_result=$func_convert_core_msys_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_w32 # func_convert_file_cygwin_to_w32 ARG # Convert file name ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_file_cygwin_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # because $build is cygwin, we call "the" cygpath in $PATH; no need to use # LT_CYGPATH in this case. func_to_host_file_result=`cygpath -m "$1"` fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_cygwin_to_w32 # func_convert_file_nix_to_w32 ARG # Convert file name ARG from *nix to w32 format. Requires a wine environment # and a working winepath. Returns result in func_to_host_file_result. func_convert_file_nix_to_w32 () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_file_wine_to_w32 "$1" func_to_host_file_result=$func_convert_core_file_wine_to_w32_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_w32 # func_convert_file_msys_to_cygwin ARG # Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_file_msys_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then func_convert_core_msys_to_w32 "$1" func_cygpath -u "$func_convert_core_msys_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_msys_to_cygwin # func_convert_file_nix_to_cygwin ARG # Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed # in a wine environment, working winepath, and LT_CYGPATH set. Returns result # in func_to_host_file_result. func_convert_file_nix_to_cygwin () { $debug_cmd func_to_host_file_result=$1 if test -n "$1"; then # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. func_convert_core_file_wine_to_w32 "$1" func_cygpath -u "$func_convert_core_file_wine_to_w32_result" func_to_host_file_result=$func_cygpath_result fi func_convert_file_check "$1" "$func_to_host_file_result" } # end func_convert_file_nix_to_cygwin ############################################# # $build to $host PATH CONVERSION FUNCTIONS # ############################################# # invoked via '$to_host_path_cmd ARG' # # In each case, ARG is the path to be converted from $build to $host format. # The result will be available in $func_to_host_path_result. # # Path separators are also converted from $build format to $host format. If # ARG begins or ends with a path separator character, it is preserved (but # converted to $host format) on output. # # All path conversion functions are named using the following convention: # file name conversion function : func_convert_file_X_to_Y () # path conversion function : func_convert_path_X_to_Y () # where, for any given $build/$host combination the 'X_to_Y' value is the # same. If conversion functions are added for new $build/$host combinations, # the two new functions must follow this pattern, or func_init_to_host_path_cmd # will break. # func_init_to_host_path_cmd # Ensures that function "pointer" variable $to_host_path_cmd is set to the # appropriate value, based on the value of $to_host_file_cmd. to_host_path_cmd= func_init_to_host_path_cmd () { $debug_cmd if test -z "$to_host_path_cmd"; then func_stripname 'func_convert_file_' '' "$to_host_file_cmd" to_host_path_cmd=func_convert_path_$func_stripname_result fi } # func_to_host_path ARG # Converts the path ARG from $build format to $host format. Return result # in func_to_host_path_result. func_to_host_path () { $debug_cmd func_init_to_host_path_cmd $to_host_path_cmd "$1" } # end func_to_host_path # func_convert_path_noop ARG # Copy ARG to func_to_host_path_result. func_convert_path_noop () { func_to_host_path_result=$1 } # end func_convert_path_noop # func_convert_path_msys_to_w32 ARG # Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic # conversion to w32 is not available inside the cwrapper. Returns result in # func_to_host_path_result. func_convert_path_msys_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from ARG. MSYS # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; # and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_msys_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_msys_to_w32 # func_convert_path_cygwin_to_w32 ARG # Convert path ARG from Cygwin to w32 format. Returns result in # func_to_host_file_result. func_convert_path_cygwin_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_cygwin_to_w32 # func_convert_path_nix_to_w32 ARG # Convert path ARG from *nix to w32 format. Requires a wine environment and # a working winepath. Returns result in func_to_host_file_result. func_convert_path_nix_to_w32 () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_to_host_path_result=$func_convert_core_path_wine_to_w32_result func_convert_path_check : ";" \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" fi } # end func_convert_path_nix_to_w32 # func_convert_path_msys_to_cygwin ARG # Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. # Returns result in func_to_host_file_result. func_convert_path_msys_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # See func_convert_path_msys_to_w32: func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_msys_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_msys_to_cygwin # func_convert_path_nix_to_cygwin ARG # Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a # a wine environment, working winepath, and LT_CYGPATH set. Returns result in # func_to_host_file_result. func_convert_path_nix_to_cygwin () { $debug_cmd func_to_host_path_result=$1 if test -n "$1"; then # Remove leading and trailing path separator characters from # ARG. msys behavior is inconsistent here, cygpath turns them # into '.;' and ';.', and winepath ignores them completely. func_stripname : : "$1" func_to_host_path_tmp1=$func_stripname_result func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" func_to_host_path_result=$func_cygpath_result func_convert_path_check : : \ "$func_to_host_path_tmp1" "$func_to_host_path_result" func_convert_path_front_back_pathsep ":*" "*:" : "$1" fi } # end func_convert_path_nix_to_cygwin # func_dll_def_p FILE # True iff FILE is a Windows DLL '.def' file. # Keep in sync with _LT_DLL_DEF_P in libtool.m4 func_dll_def_p () { $debug_cmd func_dll_def_p_tmp=`$SED -n \ -e 's/^[ ]*//' \ -e '/^\(;.*\)*$/d' \ -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ -e q \ "$1"` test DEF = "$func_dll_def_p_tmp" } # func_mode_compile arg... func_mode_compile () { $debug_cmd # Get the compilation command and the source file. base_compile= srcfile=$nonopt # always keep a non-empty value in "srcfile" suppress_opt=yes suppress_output= arg_mode=normal libobj= later= pie_flag= for arg do case $arg_mode in arg ) # do not "continue". Instead, add this to base_compile lastarg=$arg arg_mode=normal ;; target ) libobj=$arg arg_mode=normal continue ;; normal ) # Accept any command-line options. case $arg in -o) test -n "$libobj" && \ func_fatal_error "you cannot specify '-o' more than once" arg_mode=target continue ;; -pie | -fpie | -fPIE) func_append pie_flag " $arg" continue ;; -shared | -static | -prefer-pic | -prefer-non-pic) func_append later " $arg" continue ;; -no-suppress) suppress_opt=no continue ;; -Xcompiler) arg_mode=arg # the next one goes into the "base_compile" arg list continue # The current "srcfile" will either be retained or ;; # replaced later. I would guess that would be a bug. -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result lastarg= save_ifs=$IFS; IFS=, for arg in $args; do IFS=$save_ifs func_append_quoted lastarg "$arg" done IFS=$save_ifs func_stripname ' ' '' "$lastarg" lastarg=$func_stripname_result # Add the arguments to base_compile. func_append base_compile " $lastarg" continue ;; *) # Accept the current argument as the source file. # The previous "srcfile" becomes the current argument. # lastarg=$srcfile srcfile=$arg ;; esac # case $arg ;; esac # case $arg_mode # Aesthetically quote the previous argument. func_append_quoted base_compile "$lastarg" done # for arg case $arg_mode in arg) func_fatal_error "you must specify an argument for -Xcompile" ;; target) func_fatal_error "you must specify a target with '-o'" ;; *) # Get the name of the library object. test -z "$libobj" && { func_basename "$srcfile" libobj=$func_basename_result } ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo case $libobj in *.[cCFSifmso] | \ *.ada | *.adb | *.ads | *.asm | \ *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) func_xform "$libobj" libobj=$func_xform_result ;; esac case $libobj in *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; *) func_fatal_error "cannot determine name of library object from '$libobj'" ;; esac func_infer_tag $base_compile for arg in $later; do case $arg in -shared) test yes = "$build_libtool_libs" \ || func_fatal_configuration "cannot build a shared library" build_old_libs=no continue ;; -static) build_libtool_libs=no build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; esac done func_quote_arg pretty "$libobj" test "X$libobj" != "X$func_quote_arg_result" \ && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ && func_warning "libobj name '$libobj' may not contain shell special characters." func_dirname_and_basename "$obj" "/" "" objname=$func_basename_result xdir=$func_dirname_result lobj=$xdir$objdir/$objname test -z "$base_compile" && \ func_fatal_help "you must specify a compilation command" # Delete any leftover library objects. if test yes = "$build_old_libs"; then removelist="$obj $lobj $libobj ${libobj}T" else removelist="$lobj $libobj ${libobj}T" fi # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | msys* | mingw* | pw32* | os2* | cegcc*) pic_mode=default ;; esac if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test no = "$compiler_c_o"; then output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext lockfile=$output_obj.lock else output_obj= need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test yes = "$need_locks"; then until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done elif test warn = "$need_locks"; then if test -f "$lockfile"; then $ECHO "\ *** ERROR, $lockfile exists and contains: `cat $lockfile 2>/dev/null` This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi func_append removelist " $output_obj" $ECHO "$srcfile" > "$lockfile" fi $opt_dry_run || $RM $removelist func_append removelist " $lockfile" trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 srcfile=$func_to_tool_file_result func_quote_arg pretty "$srcfile" qsrcfile=$func_quote_arg_result # Only build a PIC object if we are building libtool libraries. if test yes = "$build_libtool_libs"; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test no != "$pic_mode"; then command="$base_compile $qsrcfile $pic_flag" else # Don't build PIC code command="$base_compile $qsrcfile" fi func_mkdir_p "$xdir$objdir" if test -z "$output_obj"; then # Place PIC objects in $objdir func_append command " -o $lobj" fi func_show_eval_locale "$command" \ 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed, then go on to compile the next one if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then func_show_eval '$MV "$output_obj" "$lobj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi # Allow error messages only from the first compilation. if test yes = "$suppress_opt"; then suppress_output=' >/dev/null 2>&1' fi fi # Only build a position-dependent object if we build old libraries. if test yes = "$build_old_libs"; then if test yes != "$pic_mode"; then # Don't build PIC code command="$base_compile $qsrcfile$pie_flag" else command="$base_compile $qsrcfile $pic_flag" fi if test yes = "$compiler_c_o"; then func_append command " -o $obj" fi # Suppress compiler output if we already did a PIC compilation. func_append command "$suppress_output" func_show_eval_locale "$command" \ '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' if test warn = "$need_locks" && test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then $ECHO "\ *** ERROR, $lockfile contains: `cat $lockfile 2>/dev/null` but it should contain: $srcfile This indicates that another process is trying to use the same temporary object file, and libtool could not work around it because your compiler does not support '-c' and '-o' together. If you repeat this compilation, it may succeed, by chance, but you had better avoid parallel builds (make -j) in this platform, or get a better compiler." $opt_dry_run || $RM $removelist exit $EXIT_FAILURE fi # Just move the object if needed if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then func_show_eval '$MV "$output_obj" "$obj"' \ 'error=$?; $opt_dry_run || $RM $removelist; exit $error' fi fi $opt_dry_run || { func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" # Unlock the critical section if it was locked if test no != "$need_locks"; then removelist=$lockfile $RM "$lockfile" fi } exit $EXIT_SUCCESS } $opt_help || { test compile = "$opt_mode" && func_mode_compile ${1+"$@"} } func_mode_help () { # We need to display help for each of the modes. case $opt_mode in "") # Generic help is extracted from the usage comments # at the start of this file. func_help ;; clean) $ECHO \ "Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... Remove files from the build directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, object or program, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; compile) $ECHO \ "Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE Compile a source file into a libtool library object. This mode accepts the following additional options: -o OUTPUT-FILE set the output file name to OUTPUT-FILE -no-suppress do not suppress compiler output for multiple passes -prefer-pic try to build PIC objects only -prefer-non-pic try to build non-PIC objects only -shared do not build a '.o' file suitable for static linking -static only build a '.o' file suitable for static linking -Wc,FLAG -Xcompiler FLAG pass FLAG directly to the compiler COMPILE-COMMAND is a command to be used in creating a 'standard' object file from the given SOURCEFILE. The output file name is determined by removing the directory component from SOURCEFILE, then substituting the C source code suffix '.c' with the library object suffix, '.lo'." ;; execute) $ECHO \ "Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... Automatically set library path, then run a program. This mode accepts the following additional options: -dlopen FILE add the directory containing FILE to the library path This mode sets the library path environment variable according to '-dlopen' flags. If any of the ARGS are libtool executable wrappers, then they are translated into their corresponding uninstalled binary, and any of their required library directories are added to the library path. Then, COMMAND is executed, with ARGS as arguments." ;; finish) $ECHO \ "Usage: $progname [OPTION]... --mode=finish [LIBDIR]... Complete the installation of libtool libraries. Each LIBDIR is a directory that contains libtool libraries. The commands that this mode executes may require superuser privileges. Use the '--dry-run' option if you just want to see what would be executed." ;; install) $ECHO \ "Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... Install executables or libraries. INSTALL-COMMAND is the installation command. The first component should be either the 'install' or 'cp' program. The following components of INSTALL-COMMAND are treated specially: -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation The rest of the components are interpreted as arguments to that command (only BSD-compatible install options are recognized)." ;; link) $ECHO \ "Usage: $progname [OPTION]... --mode=link LINK-COMMAND... Link object files or libraries together to form another library, or to create an executable program. LINK-COMMAND is a command using the C compiler that you would use to create a program from several object files. The following components of LINK-COMMAND are treated specially: -all-static do not do any dynamic linking at all -avoid-version do not add a version suffix if possible -bindir BINDIR specify path to binaries directory (for systems where libraries must be found in the PATH setting at runtime) -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) -export-symbols SYMFILE try to export only the symbols listed in SYMFILE -export-symbols-regex REGEX try to export only the symbols matching REGEX -LLIBDIR search LIBDIR for required installed libraries -lNAME OUTPUT-FILE requires the installed library libNAME -module build a library that can dlopened -no-fast-install disable the fast-install mode -no-install link a not-installable executable -no-undefined declare that a library does not refer to external symbols -o OUTPUT-FILE create OUTPUT-FILE from the specified objects -objectlist FILE use a list of object files found in FILE to specify objects -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) -precious-files-regex REGEX don't remove output files matching REGEX -release RELEASE specify package release information -rpath LIBDIR the created library will eventually be installed in LIBDIR -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries -shared only do dynamic linking of libtool libraries -shrext SUFFIX override the standard shared library file extension -static do not do any dynamic linking of uninstalled libtool libraries -static-libtool-libs do not do any dynamic linking of libtool libraries -version-info CURRENT[:REVISION[:AGE]] specify library version info [each variable defaults to 0] -weak LIBNAME declare that the target provides the LIBNAME interface -Wc,FLAG -Xcompiler FLAG pass linker-specific FLAG directly to the compiler -Wa,FLAG -Xassembler FLAG pass linker-specific FLAG directly to the assembler -Wl,FLAG -Xlinker FLAG pass linker-specific FLAG directly to the linker -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) All other options (arguments beginning with '-') are ignored. Every other argument is treated as a filename. Files ending in '.la' are treated as uninstalled libtool libraries, other files are standard or library object files. If the OUTPUT-FILE ends in '.la', then a libtool library is created, only library objects ('.lo' files) may be specified, and '-rpath' is required, except when creating a convenience library. If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created using 'ar' and 'ranlib', or on Windows using 'lib'. If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file is created, otherwise an executable program is created." ;; uninstall) $ECHO \ "Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... Remove libraries from an installation directory. RM is the name of the program to use to delete files associated with each FILE (typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed to RM. If FILE is a libtool library, all the files associated with it are deleted. Otherwise, only FILE itself is deleted using RM." ;; *) func_fatal_help "invalid operation mode '$opt_mode'" ;; esac echo $ECHO "Try '$progname --help' for more information about other modes." } # Now that we've collected a possible --mode arg, show help if necessary if $opt_help; then if test : = "$opt_help"; then func_mode_help else { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do func_mode_help done } | $SED -n '1p; 2,$s/^Usage:/ or: /p' { func_help noexit for opt_mode in compile link execute install finish uninstall clean; do echo func_mode_help done } | $SED '1d /^When reporting/,/^Report/{ H d } $x /information about other modes/d /more detailed .*MODE/d s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' fi exit $? fi # func_mode_execute arg... func_mode_execute () { $debug_cmd # The first argument is the command name. cmd=$nonopt test -z "$cmd" && \ func_fatal_help "you must specify a COMMAND" # Handle -dlopen flags immediately. for file in $opt_dlopen; do test -f "$file" \ || func_fatal_help "'$file' is not a file" dir= case $file in *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$lib' is not a valid libtool archive" # Read the libtool library. dlname= library_names= func_source "$file" # Skip this library if it cannot be dlopened. if test -z "$dlname"; then # Warn if it was a shared library. test -n "$library_names" && \ func_warning "'$file' was not linked with '-export-dynamic'" continue fi func_dirname "$file" "" "." dir=$func_dirname_result if test -f "$dir/$objdir/$dlname"; then func_append dir "/$objdir" else if test ! -f "$dir/$dlname"; then func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" fi fi ;; *.lo) # Just add the directory containing the .lo file. func_dirname "$file" "" "." dir=$func_dirname_result ;; *) func_warning "'-dlopen' is ignored for non-libtool libraries and objects" continue ;; esac # Get the absolute pathname. absdir=`cd "$dir" && pwd` test -n "$absdir" && dir=$absdir # Now add the directory to shlibpath_var. if eval "test -z \"\$$shlibpath_var\""; then eval "$shlibpath_var=\"\$dir\"" else eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" fi done # This variable tells wrapper scripts just to set shlibpath_var # rather than running their programs. libtool_execute_magic=$magic # Check if any of the arguments is a wrapper script. args= for file do case $file in -* | *.la | *.lo ) ;; *) # Do a test to see if this is really a libtool program. if func_ltwrapper_script_p "$file"; then func_source "$file" # Transform arg to wrapped name. file=$progdir/$program elif func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" func_source "$func_ltwrapper_scriptname_result" # Transform arg to wrapped name. file=$progdir/$program fi ;; esac # Quote arguments (to preserve shell metacharacters). func_append_quoted args "$file" done if $opt_dry_run; then # Display what would be done. if test -n "$shlibpath_var"; then eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" echo "export $shlibpath_var" fi $ECHO "$cmd$args" exit $EXIT_SUCCESS else if test -n "$shlibpath_var"; then # Export the shlibpath_var. eval "export $shlibpath_var" fi # Restore saved environment variables for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES do eval "if test \"\${save_$lt_var+set}\" = set; then $lt_var=\$save_$lt_var; export $lt_var else $lt_unset $lt_var fi" done # Now prepare to actually exec the command. exec_cmd=\$cmd$args fi } test execute = "$opt_mode" && func_mode_execute ${1+"$@"} # func_mode_finish arg... func_mode_finish () { $debug_cmd libs= libdirs= admincmds= for opt in "$nonopt" ${1+"$@"} do if test -d "$opt"; then func_append libdirs " $opt" elif test -f "$opt"; then if func_lalib_unsafe_p "$opt"; then func_append libs " $opt" else func_warning "'$opt' is not a valid libtool archive" fi else func_fatal_error "invalid argument '$opt'" fi done if test -n "$libs"; then if test -n "$lt_sysroot"; then sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" else sysroot_cmd= fi # Remove sysroot references if $opt_dry_run; then for lib in $libs; do echo "removing references to $lt_sysroot and '=' prefixes from $lib" done else tmpdir=`func_mktempdir` for lib in $libs; do $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ > $tmpdir/tmp-la mv -f $tmpdir/tmp-la $lib done ${RM}r "$tmpdir" fi fi if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then for libdir in $libdirs; do if test -n "$finish_cmds"; then # Do each command in the finish commands. func_execute_cmds "$finish_cmds" 'admincmds="$admincmds '"$cmd"'"' fi if test -n "$finish_eval"; then # Do the single finish_eval. eval cmds=\"$finish_eval\" $opt_dry_run || eval "$cmds" || func_append admincmds " $cmds" fi done fi # Exit here if they wanted silent mode. $opt_quiet && exit $EXIT_SUCCESS if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then echo "----------------------------------------------------------------------" echo "Libraries have been installed in:" for libdir in $libdirs; do $ECHO " $libdir" done echo echo "If you ever happen to want to link against installed libraries" echo "in a given directory, LIBDIR, you must either use libtool, and" echo "specify the full pathname of the library, or use the '-LLIBDIR'" echo "flag during linking and do at least one of the following:" if test -n "$shlibpath_var"; then echo " - add LIBDIR to the '$shlibpath_var' environment variable" echo " during execution" fi if test -n "$runpath_var"; then echo " - add LIBDIR to the '$runpath_var' environment variable" echo " during linking" fi if test -n "$hardcode_libdir_flag_spec"; then libdir=LIBDIR eval flag=\"$hardcode_libdir_flag_spec\" $ECHO " - use the '$flag' linker flag" fi if test -n "$admincmds"; then $ECHO " - have your system administrator run these commands:$admincmds" fi if test -f /etc/ld.so.conf; then echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" fi echo echo "See any operating system documentation about shared libraries for" case $host in solaris2.[6789]|solaris2.1[0-9]) echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" echo "pages." ;; *) echo "more information, such as the ld(1) and ld.so(8) manual pages." ;; esac echo "----------------------------------------------------------------------" fi exit $EXIT_SUCCESS } test finish = "$opt_mode" && func_mode_finish ${1+"$@"} # func_mode_install arg... func_mode_install () { $debug_cmd # There may be an optional sh(1) argument at the beginning of # install_prog (especially on Windows NT). if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || # Allow the use of GNU shtool's install command. case $nonopt in *shtool*) :;; *) false;; esac then # Aesthetically quote it. func_quote_arg pretty "$nonopt" install_prog="$func_quote_arg_result " arg=$1 shift else install_prog= arg=$nonopt fi # The real first argument should be the name of the installation program. # Aesthetically quote it. func_quote_arg pretty "$arg" func_append install_prog "$func_quote_arg_result" install_shared_prog=$install_prog case " $install_prog " in *[\\\ /]cp\ *) install_cp=: ;; *) install_cp=false ;; esac # We need to accept at least all the BSD install flags. dest= files= opts= prev= install_type= isdir=false stripme= no_mode=: for arg do arg2= if test -n "$dest"; then func_append files " $dest" dest=$arg continue fi case $arg in -d) isdir=: ;; -f) if $install_cp; then :; else prev=$arg fi ;; -g | -m | -o) prev=$arg ;; -s) stripme=" -s" continue ;; -*) ;; *) # If the previous option needed an argument, then skip it. if test -n "$prev"; then if test X-m = "X$prev" && test -n "$install_override_mode"; then arg2=$install_override_mode no_mode=false fi prev= else dest=$arg continue fi ;; esac # Aesthetically quote the argument. func_quote_arg pretty "$arg" func_append install_prog " $func_quote_arg_result" if test -n "$arg2"; then func_quote_arg pretty "$arg2" fi func_append install_shared_prog " $func_quote_arg_result" done test -z "$install_prog" && \ func_fatal_help "you must specify an install program" test -n "$prev" && \ func_fatal_help "the '$prev' option requires an argument" if test -n "$install_override_mode" && $no_mode; then if $install_cp; then :; else func_quote_arg pretty "$install_override_mode" func_append install_shared_prog " -m $func_quote_arg_result" fi fi if test -z "$files"; then if test -z "$dest"; then func_fatal_help "no file or destination specified" else func_fatal_help "you must specify a destination" fi fi # Strip any trailing slash from the destination. func_stripname '' '/' "$dest" dest=$func_stripname_result # Check to see that the destination is a directory. test -d "$dest" && isdir=: if $isdir; then destdir=$dest destname= else func_dirname_and_basename "$dest" "" "." destdir=$func_dirname_result destname=$func_basename_result # Not a directory, so check to see that there is only one file specified. set dummy $files; shift test "$#" -gt 1 && \ func_fatal_help "'$dest' is not a directory" fi case $destdir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) for file in $files; do case $file in *.lo) ;; *) func_fatal_help "'$destdir' must be an absolute directory name" ;; esac done ;; esac # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic=$magic staticlibs= future_libdirs= current_libdirs= for file in $files; do # Do each installation. case $file in *.$libext) # Do the static libraries later. func_append staticlibs " $file" ;; *.la) func_resolve_sysroot "$file" file=$func_resolve_sysroot_result # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$file" \ || func_fatal_help "'$file' is not a valid libtool archive" library_names= old_library= relink_command= func_source "$file" # Add the libdir to current_libdirs if it is the destination. if test "X$destdir" = "X$libdir"; then case "$current_libdirs " in *" $libdir "*) ;; *) func_append current_libdirs " $libdir" ;; esac else # Note the libdir as a future libdir. case "$future_libdirs " in *" $libdir "*) ;; *) func_append future_libdirs " $libdir" ;; esac fi func_dirname "$file" "/" "" dir=$func_dirname_result func_append dir "$objdir" if test -n "$relink_command"; then # Determine the prefix the user has applied to our future dir. inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` # Don't allow the user to place us outside of our expected # location b/c this prevents finding dependent libraries that # are installed to the same prefix. # At present, this check doesn't affect windows .dll's that # are installed into $libdir/../bin (currently, that works fine) # but it's something to keep an eye on. test "$inst_prefix_dir" = "$destdir" && \ func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" if test -n "$inst_prefix_dir"; then # Stick the inst_prefix_dir data into the link command. relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` else relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` fi func_warning "relinking '$file'" func_show_eval "$relink_command" \ 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' fi # See the names of the shared library. set dummy $library_names; shift if test -n "$1"; then realname=$1 shift srcname=$realname test -n "$relink_command" && srcname=${realname}T # Install the shared library and build the symlinks. func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ 'exit $?' tstripme=$stripme case $host_os in cygwin* | msys* | mingw* | pw32* | cegcc*) case $realname in *.dll.a) tstripme= ;; esac ;; os2*) case $realname in *_dll.a) tstripme= ;; esac ;; esac if test -n "$tstripme" && test -n "$striplib"; then func_show_eval "$striplib $destdir/$realname" 'exit $?' fi if test "$#" -gt 0; then # Delete the old symlinks, and create new ones. # Try 'ln -sf' first, because the 'ln' binary might depend on # the symlink we replace! Solaris /bin/ln does not understand -f, # so we also need to try rm && ln -s. for linkname do test "$linkname" != "$realname" \ && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" done fi # Do each command in the postinstall commands. lib=$destdir/$realname func_execute_cmds "$postinstall_cmds" 'exit $?' fi # Install the pseudo-library for information purposes. func_basename "$file" name=$func_basename_result instname=$dir/${name}i func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' # Maybe install the static library, too. test -n "$old_library" && func_append staticlibs " $dir/$old_library" ;; *.lo) # Install (i.e. copy) a libtool object. # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # Deduce the name of the destination old-style object file. case $destfile in *.lo) func_lo2o "$destfile" staticdest=$func_lo2o_result ;; *.$objext) staticdest=$destfile destfile= ;; *) func_fatal_help "cannot copy a libtool object to '$destfile'" ;; esac # Install the libtool object if requested. test -n "$destfile" && \ func_show_eval "$install_prog $file $destfile" 'exit $?' # Install the old object if enabled. if test yes = "$build_old_libs"; then # Deduce the name of the old-style object file. func_lo2o "$file" staticobj=$func_lo2o_result func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' fi exit $EXIT_SUCCESS ;; *) # Figure out destination file name, if it wasn't already specified. if test -n "$destname"; then destfile=$destdir/$destname else func_basename "$file" destfile=$func_basename_result destfile=$destdir/$destfile fi # If the file is missing, and there is a .exe on the end, strip it # because it is most likely a libtool script we actually want to # install stripped_ext= case $file in *.exe) if test ! -f "$file"; then func_stripname '' '.exe' "$file" file=$func_stripname_result stripped_ext=.exe fi ;; esac # Do a test to see if this is really a libtool program. case $host in *cygwin* | *msys* | *mingw*) if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" wrapper=$func_ltwrapper_scriptname_result else func_stripname '' '.exe' "$file" wrapper=$func_stripname_result fi ;; *) wrapper=$file ;; esac if func_ltwrapper_script_p "$wrapper"; then notinst_deplibs= relink_command= func_source "$wrapper" # Check the variables that should have been set. test -z "$generated_by_libtool_version" && \ func_fatal_error "invalid libtool wrapper script '$wrapper'" finalize=: for lib in $notinst_deplibs; do # Check to see that each library is installed. libdir= if test -f "$lib"; then func_source "$lib" fi libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` if test -n "$libdir" && test ! -f "$libfile"; then func_warning "'$lib' has not been installed in '$libdir'" finalize=false fi done relink_command= func_source "$wrapper" outputname= if test no = "$fast_install" && test -n "$relink_command"; then $opt_dry_run || { if $finalize; then tmpdir=`func_mktempdir` func_basename "$file$stripped_ext" file=$func_basename_result outputname=$tmpdir/$file # Replace the output file specification. relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` $opt_quiet || { func_quote_arg expand,pretty "$relink_command" eval "func_echo $func_quote_arg_result" } if eval "$relink_command"; then : else func_error "error: relink '$file' with the above command before installing it" $opt_dry_run || ${RM}r "$tmpdir" continue fi file=$outputname else func_warning "cannot relink '$file'" fi } else # Install the binary that we compiled earlier. file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` fi fi # remove .exe since cygwin /usr/bin/install will append another # one anyway case $install_prog,$host in */usr/bin/install*,*cygwin*|*/usr/bin/install*,*msys*) case $file:$destfile in *.exe:*.exe) # this is ok ;; *.exe:*) destfile=$destfile.exe ;; *:*.exe) func_stripname '' '.exe' "$destfile" destfile=$func_stripname_result ;; esac ;; esac func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' $opt_dry_run || if test -n "$outputname"; then ${RM}r "$tmpdir" fi ;; esac done for file in $staticlibs; do func_basename "$file" name=$func_basename_result # Set up the ranlib parameters. oldlib=$destdir/$name func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result func_show_eval "$install_prog \$file \$oldlib" 'exit $?' if test -n "$stripme" && test -n "$old_striplib"; then func_show_eval "$old_striplib $tool_oldlib" 'exit $?' fi # Do each command in the postinstall commands. func_execute_cmds "$old_postinstall_cmds" 'exit $?' done test -n "$future_libdirs" && \ func_warning "remember to run '$progname --finish$future_libdirs'" if test -n "$current_libdirs"; then # Maybe just do a dry run. $opt_dry_run && current_libdirs=" -n$current_libdirs" exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' else exit $EXIT_SUCCESS fi } test install = "$opt_mode" && func_mode_install ${1+"$@"} # func_generate_dlsyms outputname originator pic_p # Extract symbols from dlprefiles and create ${outputname}S.o with # a dlpreopen symbol table. func_generate_dlsyms () { $debug_cmd my_outputname=$1 my_originator=$2 my_pic_p=${3-false} my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` my_dlsyms= if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then if test -n "$NM" && test -n "$global_symbol_pipe"; then my_dlsyms=${my_outputname}S.c else func_error "not configured to extract global symbols from dlpreopened files" fi fi if test -n "$my_dlsyms"; then case $my_dlsyms in "") ;; *.c) # Discover the nlist of each of the dlfiles. nlist=$output_objdir/$my_outputname.nm func_show_eval "$RM $nlist ${nlist}S ${nlist}T" # Parse the name list into a source file. func_verbose "creating $output_objdir/$my_dlsyms" $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ /* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ /* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ #ifdef __cplusplus extern \"C\" { #endif #if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) #pragma GCC diagnostic ignored \"-Wstrict-prototypes\" #endif /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT_DLSYM_CONST #else # define LT_DLSYM_CONST const #endif #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* External symbol declarations for the compiler. */\ " if test yes = "$dlself"; then func_verbose "generating symbol list for '$output'" $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" # Add our own program objects to the symbol list. progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` for progfile in $progfiles; do func_to_tool_file "$progfile" func_convert_file_msys_to_w32 func_verbose "extracting global C symbols from '$func_to_tool_file_result'" $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" done if test -n "$exclude_expsyms"; then $opt_dry_run || { eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi if test -n "$export_symbols_regex"; then $opt_dry_run || { eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' } fi # Prepare the list of exported symbols if test -z "$export_symbols"; then export_symbols=$output_objdir/$outputname.exp $opt_dry_run || { $RM $export_symbols eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' case $host in *cygwin* | *msys* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' ;; esac } else $opt_dry_run || { eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' eval '$MV "$nlist"T "$nlist"' case $host in *cygwin* | *msys* | *mingw* | *cegcc* ) eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' ;; esac } fi fi for dlprefile in $dlprefiles; do func_verbose "extracting global C symbols from '$dlprefile'" func_basename "$dlprefile" name=$func_basename_result case $host in *cygwin* | *msys* | *mingw* | *cegcc* ) # if an import library, we need to obtain dlname if func_win32_import_lib_p "$dlprefile"; then func_tr_sh "$dlprefile" eval "curr_lafile=\$libfile_$func_tr_sh_result" dlprefile_dlbasename= if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then # Use subshell, to avoid clobbering current variable values dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` if test -n "$dlprefile_dlname"; then func_basename "$dlprefile_dlname" dlprefile_dlbasename=$func_basename_result else # no lafile. user explicitly requested -dlpreopen . $sharedlib_from_linklib_cmd "$dlprefile" dlprefile_dlbasename=$sharedlib_from_linklib_result fi fi $opt_dry_run || { if test -n "$dlprefile_dlbasename"; then eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' else func_warning "Could not compute DLL name from $name" eval '$ECHO ": $name " >> "$nlist"' fi func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" } else # not an import lib $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } fi ;; *) $opt_dry_run || { eval '$ECHO ": $name " >> "$nlist"' func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" } ;; esac done $opt_dry_run || { # Make sure we have at least an empty file. test -f "$nlist" || : > "$nlist" if test -n "$exclude_expsyms"; then $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T $MV "$nlist"T "$nlist" fi # Try sorting and uniquifying the output. if $GREP -v "^: " < "$nlist" | if sort -k 3 /dev/null 2>&1; then sort -k 3 else sort +2 fi | uniq > "$nlist"S; then : else $GREP -v "^: " < "$nlist" > "$nlist"S fi if test -f "$nlist"S; then eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' else echo '/* NONE */' >> "$output_objdir/$my_dlsyms" fi func_show_eval '$RM "${nlist}I"' if test -n "$global_symbol_to_import"; then eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' fi echo >> "$output_objdir/$my_dlsyms" "\ /* The mapping between symbol names and symbols. */ typedef struct { const char *name; void *address; } lt_dlsymlist; extern LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[];\ " if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ static void lt_syminit(void) { LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; for (; symbol->name; ++symbol) {" $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" echo >> "$output_objdir/$my_dlsyms" "\ } }" fi echo >> "$output_objdir/$my_dlsyms" "\ LT_DLSYM_CONST lt_dlsymlist lt_${my_prefix}_LTX_preloaded_symbols[] = { {\"$my_originator\", (void *) 0}," if test -s "$nlist"I; then echo >> "$output_objdir/$my_dlsyms" "\ {\"@INIT@\", (void *) <_syminit}," fi case $need_lib_prefix in no) eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; *) eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" ;; esac echo >> "$output_objdir/$my_dlsyms" "\ {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt_${my_prefix}_LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif\ " } # !$opt_dry_run pic_flag_for_symtable= case "$compile_command " in *" -static "*) ;; *) case $host in # compiling the symbol table file with pic_flag works around # a FreeBSD bug that causes programs to crash when -lm is # linked before any other PIC object. But we must not use # pic_flag when linking with -static. The problem exists in # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; *-*-hpux*) pic_flag_for_symtable=" $pic_flag" ;; *) $my_pic_p && pic_flag_for_symtable=" $pic_flag" ;; esac ;; esac symtab_cflags= for arg in $LTCFLAGS; do case $arg in -pie | -fpie | -fPIE) ;; *) func_append symtab_cflags " $arg" ;; esac done # Now compile the dynamic symbol file. func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' # Clean up the generated files. func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' # Transform the symbol file into the correct name. symfileobj=$output_objdir/${my_outputname}S.$objext case $host in *cygwin* | *msys* | *mingw* | *cegcc* ) if test -f "$output_objdir/$my_outputname.def"; then compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` else compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` fi ;; *) compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` ;; esac ;; *) func_fatal_error "unknown suffix for '$my_dlsyms'" ;; esac else # We keep going just in case the user didn't refer to # lt_preloaded_symbols. The linker will fail if global_symbol_pipe # really was required. # Nullify the symbol file. compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` fi } # func_cygming_gnu_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is a GNU/binutils-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_gnu_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` test -n "$func_cygming_gnu_implib_tmp" } # func_cygming_ms_implib_p ARG # This predicate returns with zero status (TRUE) if # ARG is an MS-style import library. Returns # with nonzero status (FALSE) otherwise. func_cygming_ms_implib_p () { $debug_cmd func_to_tool_file "$1" func_convert_file_msys_to_w32 func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` test -n "$func_cygming_ms_implib_tmp" } # func_win32_libid arg # return the library type of file 'arg' # # Need a lot of goo to handle *both* DLLs and import libs # Has to be a shell function in order to 'eat' the argument # that is supplied when $file_magic_command is called. # Despite the name, also deal with 64 bit binaries. func_win32_libid () { $debug_cmd win32_libid_type=unknown win32_fileres=`file -L $1 2>/dev/null` case $win32_fileres in *ar\ archive\ import\ library*) # definitely import win32_libid_type="x86 archive import" ;; *ar\ archive*) # could be an import, or static # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64|coff-arm|coff-arm64|coff-i386|coff-x86-64)' >/dev/null; then case $nm_interface in "MS dumpbin") if func_cygming_ms_implib_p "$1" || func_cygming_gnu_implib_p "$1" then win32_nmres=import else win32_nmres= fi ;; *) func_to_tool_file "$1" func_convert_file_msys_to_w32 win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | $SED -n -e ' 1,100{ / I /{ s|.*|import| p q } }'` ;; esac case $win32_nmres in import*) win32_libid_type="x86 archive import";; *) win32_libid_type="x86 archive static";; esac fi ;; *DLL*) win32_libid_type="x86 DLL" ;; *executable*) # but shell scripts are "executable" too... case $win32_fileres in *MS\ Windows\ PE\ Intel*) win32_libid_type="x86 DLL" ;; esac ;; esac $ECHO "$win32_libid_type" } # func_cygming_dll_for_implib ARG # # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib () { $debug_cmd sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` } # func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs # # The is the core of a fallback implementation of a # platform-specific function to extract the name of the # DLL associated with the specified import library LIBNAME. # # SECTION_NAME is either .idata$6 or .idata$7, depending # on the platform and compiler that created the implib. # # Echos the name of the DLL associated with the # specified import library. func_cygming_dll_for_implib_fallback_core () { $debug_cmd match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` $OBJDUMP -s --section "$1" "$2" 2>/dev/null | $SED '/^Contents of section '"$match_literal"':/{ # Place marker at beginning of archive member dllname section s/.*/====MARK====/ p d } # These lines can sometimes be longer than 43 characters, but # are always uninteresting /:[ ]*file format pe[i]\{,1\}-/d /^In archive [^:]*:/d # Ensure marker is printed /^====MARK====/p # Remove all lines with less than 43 characters /^.\{43\}/!d # From remaining lines, remove first 43 characters s/^.\{43\}//' | $SED -n ' # Join marker and all lines until next marker into a single line /^====MARK====/ b para H $ b para b :para x s/\n//g # Remove the marker s/^====MARK====// # Remove trailing dots and whitespace s/[\. \t]*$// # Print /./p' | # we now have a list, one entry per line, of the stringified # contents of the appropriate section of all members of the # archive that possess that section. Heuristic: eliminate # all those that have a first or second character that is # a '.' (that is, objdump's representation of an unprintable # character.) This should work for all archives with less than # 0x302f exports -- but will fail for DLLs whose name actually # begins with a literal '.' or a single character followed by # a '.'. # # Of those that remain, print the first one. $SED -e '/^\./d;/^.\./d;q' } # func_cygming_dll_for_implib_fallback ARG # Platform-specific function to extract the # name of the DLL associated with the specified # import library ARG. # # This fallback implementation is for use when $DLLTOOL # does not support the --identify-strict option. # Invoked by eval'ing the libtool variable # $sharedlib_from_linklib_cmd # Result is available in the variable # $sharedlib_from_linklib_result func_cygming_dll_for_implib_fallback () { $debug_cmd if func_cygming_gnu_implib_p "$1"; then # binutils import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` elif func_cygming_ms_implib_p "$1"; then # ms-generated import library sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` else # unknown sharedlib_from_linklib_result= fi } # func_extract_an_archive dir oldlib func_extract_an_archive () { $debug_cmd f_ex_an_ar_dir=$1; shift f_ex_an_ar_oldlib=$1 if test yes = "$lock_old_archive_extraction"; then lockfile=$f_ex_an_ar_oldlib.lock until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do func_echo "Waiting for $lockfile to be removed" sleep 2 done fi func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ 'stat=$?; rm -f "$lockfile"; exit $stat' if test yes = "$lock_old_archive_extraction"; then $opt_dry_run || rm -f "$lockfile" fi if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then : else func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" fi } # func_extract_archives gentop oldlib ... func_extract_archives () { $debug_cmd my_gentop=$1; shift my_oldlibs=${1+"$@"} my_oldobjs= my_xlib= my_xabs= my_xdir= for my_xlib in $my_oldlibs; do # Extract the objects. case $my_xlib in [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; *) my_xabs=`pwd`"/$my_xlib" ;; esac func_basename "$my_xlib" my_xlib=$func_basename_result my_xlib_u=$my_xlib while :; do case " $extracted_archives " in *" $my_xlib_u "*) func_arith $extracted_serial + 1 extracted_serial=$func_arith_result my_xlib_u=lt$extracted_serial-$my_xlib ;; *) break ;; esac done extracted_archives="$extracted_archives $my_xlib_u" my_xdir=$my_gentop/$my_xlib_u func_mkdir_p "$my_xdir" case $host in *-darwin*) func_verbose "Extracting $my_xabs" # Do not bother doing anything if just a dry run $opt_dry_run || { darwin_orig_dir=`pwd` cd $my_xdir || exit $? darwin_archive=$my_xabs darwin_curdir=`pwd` func_basename "$darwin_archive" darwin_base_archive=$func_basename_result darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` if test -n "$darwin_arches"; then darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` darwin_arch= func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" for darwin_arch in $darwin_arches; do func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" cd "unfat-$$/$darwin_base_archive-$darwin_arch" func_extract_an_archive "`pwd`" "$darwin_base_archive" cd "$darwin_curdir" $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" done # $darwin_arches ## Okay now we've a bunch of thin objects, gotta fatten them up :) darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` darwin_file= darwin_files= for darwin_file in $darwin_filelist; do darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` $LIPO -create -output "$darwin_file" $darwin_files done # $darwin_filelist $RM -rf unfat-$$ cd "$darwin_orig_dir" else cd $darwin_orig_dir func_extract_an_archive "$my_xdir" "$my_xabs" fi # $darwin_arches } # !$opt_dry_run ;; *) func_extract_an_archive "$my_xdir" "$my_xabs" ;; esac my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` done func_extract_archives_result=$my_oldobjs } # func_emit_wrapper [arg=no] # # Emit a libtool wrapper script on stdout. # Don't directly open a file because we may want to # incorporate the script contents within a cygwin/mingw # wrapper executable. Must ONLY be called from within # func_mode_link because it depends on a number of variables # set therein. # # ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR # variable will take. If 'yes', then the emitted script # will assume that the directory where it is stored is # the $objdir directory. This is a cygwin/mingw-specific # behavior. func_emit_wrapper () { func_emit_wrapper_arg1=${1-no} $ECHO "\ #! $SHELL # $output - temporary wrapper script for $objdir/$outputname # Generated by $PROGRAM (GNU $PACKAGE) $VERSION # # The $output program cannot be directly executed until all the libtool # libraries that it depends on are installed. # # This wrapper script should never be moved out of the build directory. # If it is, it will not operate correctly. # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. sed_quote_subst='$sed_quote_subst' # Be Bourne compatible if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which # is contrary to our usage. Disable this feature. alias -g '\${1+\"\$@\"}'='\"\$@\"' setopt NO_GLOB_SUBST else case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac fi BIN_SH=xpg4; export BIN_SH # for Tru64 DUALCASE=1; export DUALCASE # for MKS sh # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. (unset CDPATH) >/dev/null 2>&1 && unset CDPATH relink_command=\"$relink_command\" # This environment variable determines our operation mode. if test \"\$libtool_install_magic\" = \"$magic\"; then # install mode needs the following variables: generated_by_libtool_version='$macro_version' notinst_deplibs='$notinst_deplibs' else # When we are sourced in execute mode, \$file and \$ECHO are already set. if test \"\$libtool_execute_magic\" != \"$magic\"; then file=\"\$0\"" func_quote_arg pretty "$ECHO" qECHO=$func_quote_arg_result $ECHO "\ # A function that is used when there is no print builtin or printf. func_fallback_echo () { eval 'cat <<_LTECHO_EOF \$1 _LTECHO_EOF' } ECHO=$qECHO fi # Very basic option parsing. These options are (a) specific to # the libtool wrapper, (b) are identical between the wrapper # /script/ and the wrapper /executable/ that is used only on # windows platforms, and (c) all begin with the string "--lt-" # (application programs are unlikely to have options that match # this pattern). # # There are only two supported options: --lt-debug and # --lt-dump-script. There is, deliberately, no --lt-help. # # The first argument to this parsing function should be the # script's $0 value, followed by "$@". lt_option_debug= func_parse_lt_options () { lt_script_arg0=\$0 shift for lt_opt do case \"\$lt_opt\" in --lt-debug) lt_option_debug=1 ;; --lt-dump-script) lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` cat \"\$lt_dump_D/\$lt_dump_F\" exit 0 ;; --lt-*) \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 exit 1 ;; esac done # Print the debug banner immediately: if test -n \"\$lt_option_debug\"; then echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 fi } # Used when --lt-debug. Prints its arguments to stdout # (redirection is the responsibility of the caller) func_lt_dump_args () { lt_dump_args_N=1; for lt_arg do \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` done } # Core function for launching the target application func_exec_program_core () { " case $host in # Backslashes separate directories on plain windows *-*-mingw | *-*-os2* | *-cegcc*) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} " ;; *) $ECHO "\ if test -n \"\$lt_option_debug\"; then \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 func_lt_dump_args \${1+\"\$@\"} 1>&2 fi exec \"\$progdir/\$program\" \${1+\"\$@\"} " ;; esac $ECHO "\ \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 exit 1 } # A function to encapsulate launching the target application # Strips options in the --lt-* namespace from \$@ and # launches target application with the remaining arguments. func_exec_program () { case \" \$* \" in *\\ --lt-*) for lt_wr_arg do case \$lt_wr_arg in --lt-*) ;; *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; esac shift done ;; esac func_exec_program_core \${1+\"\$@\"} } # Parse options func_parse_lt_options \"\$0\" \${1+\"\$@\"} # Find the directory that this script lives in. thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` test \"x\$thisdir\" = \"x\$file\" && thisdir=. # Follow symbolic links until we get to the real thisdir. file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` while test -n \"\$file\"; do destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` # If there was a directory component, then change thisdir. if test \"x\$destdir\" != \"x\$file\"; then case \"\$destdir\" in [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; *) thisdir=\"\$thisdir/\$destdir\" ;; esac fi file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` done # Usually 'no', except on cygwin/mingw when embedded into # the cwrapper. WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then # special case for '.' if test \"\$thisdir\" = \".\"; then thisdir=\`pwd\` fi # remove .libs from thisdir case \"\$thisdir\" in *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; $objdir ) thisdir=. ;; esac fi # Try to get the absolute directory name. absdir=\`cd \"\$thisdir\" && pwd\` test -n \"\$absdir\" && thisdir=\"\$absdir\" " if test yes = "$fast_install"; then $ECHO "\ program=lt-'$outputname'$exeext progdir=\"\$thisdir/$objdir\" if test ! -f \"\$progdir/\$program\" || { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ test \"X\$file\" != \"X\$progdir/\$program\"; }; then file=\"\$\$-\$program\" if test ! -d \"\$progdir\"; then $MKDIR \"\$progdir\" else $RM \"\$progdir/\$file\" fi" $ECHO "\ # relink executable if necessary if test -n \"\$relink_command\"; then if relink_command_output=\`eval \$relink_command 2>&1\`; then : else \$ECHO \"\$relink_command_output\" >&2 $RM \"\$progdir/\$file\" exit 1 fi fi $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || { $RM \"\$progdir/\$program\"; $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } $RM \"\$progdir/\$file\" fi" else $ECHO "\ program='$outputname' progdir=\"\$thisdir/$objdir\" " fi $ECHO "\ if test -f \"\$progdir/\$program\"; then" # fixup the dll searchpath if we need to. # # Fix the DLL searchpath if we need to. Do this before prepending # to shlibpath, because on Windows, both are PATH and uninstalled # libraries must come first. if test -n "$dllsearchpath"; then $ECHO "\ # Add the dll search path components to the executable PATH PATH=$dllsearchpath:\$PATH " fi # Export our shlibpath_var if we have one. if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then $ECHO "\ # Add our own library path to $shlibpath_var $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" # Some systems cannot cope with colon-terminated $shlibpath_var # The second colon is a workaround for a bug in BeOS R4 sed $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` export $shlibpath_var " fi $ECHO "\ if test \"\$libtool_execute_magic\" != \"$magic\"; then # Run the actual program with our arguments. func_exec_program \${1+\"\$@\"} fi else # The program doesn't exist. \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 exit 1 fi fi\ " } # func_emit_cwrapperexe_src # emit the source code for a wrapper executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_cwrapperexe_src () { cat < #include #ifdef _MSC_VER # include # include # include #else # include # include # ifdef __CYGWIN__ # include # include # endif #endif #include #include #include #include #include #include #include #include #define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) /* declarations of non-ANSI functions */ #if defined __MINGW32__ # if defined(__STRICT_ANSI__) && !defined(__MINGW64_VERSION_MAJOR) || defined(_POSIX_) int _putenv (const char *); # endif #elif defined __CYGWIN__ # ifdef __STRICT_ANSI__ char *realpath (const char *, char *); int putenv (char *); int setenv (const char *, const char *, int); # endif /* #elif defined other_platform || defined ... */ #endif /* portability defines, excluding path handling macros */ #if defined _MSC_VER # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv # define S_IXUSR _S_IEXEC #elif defined __MINGW32__ # define setmode _setmode # define stat _stat # define chmod _chmod # define getcwd _getcwd # define putenv _putenv #elif defined __CYGWIN__ # define HAVE_SETENV # define FOPEN_WB "wb" /* #elif defined other platforms ... */ #endif #if defined PATH_MAX # define LT_PATHMAX PATH_MAX #elif defined MAXPATHLEN # define LT_PATHMAX MAXPATHLEN #else # define LT_PATHMAX 1024 #endif #ifndef S_IXOTH # define S_IXOTH 0 #endif #ifndef S_IXGRP # define S_IXGRP 0 #endif /* path handling portability macros */ #ifndef DIR_SEPARATOR # define DIR_SEPARATOR '/' # define PATH_SEPARATOR ':' #endif #if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ defined __OS2__ # define HAVE_DOS_BASED_FILE_SYSTEM # define FOPEN_WB "wb" # ifndef DIR_SEPARATOR_2 # define DIR_SEPARATOR_2 '\\' # endif # ifndef PATH_SEPARATOR_2 # define PATH_SEPARATOR_2 ';' # endif #endif #ifndef DIR_SEPARATOR_2 # define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) #else /* DIR_SEPARATOR_2 */ # define IS_DIR_SEPARATOR(ch) \ (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) #endif /* DIR_SEPARATOR_2 */ #ifndef PATH_SEPARATOR_2 # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) #else /* PATH_SEPARATOR_2 */ # define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) #endif /* PATH_SEPARATOR_2 */ #ifndef FOPEN_WB # define FOPEN_WB "w" #endif #ifndef _O_BINARY # define _O_BINARY 0 #endif #define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) #define XFREE(stale) do { \ if (stale) { free (stale); stale = 0; } \ } while (0) #if defined LT_DEBUGWRAPPER static int lt_debug = 1; #else static int lt_debug = 0; #endif const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ void *xmalloc (size_t num); char *xstrdup (const char *string); const char *base_name (const char *name); char *find_executable (const char *wrapper); char *chase_symlinks (const char *pathspec); int make_executable (const char *path); int check_executable (const char *path); char *strendzap (char *str, const char *pat); void lt_debugprintf (const char *file, int line, const char *fmt, ...); void lt_fatal (const char *file, int line, const char *message, ...); static const char *nonnull (const char *s); static const char *nonempty (const char *s); void lt_setenv (const char *name, const char *value); char *lt_extend_str (const char *orig_value, const char *add, int to_end); void lt_update_exe_path (const char *name, const char *value); void lt_update_lib_path (const char *name, const char *value); char **prepare_spawn (char **argv); void lt_dump_script (FILE *f); EOF cat <= 0) && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) return 1; else return 0; } int make_executable (const char *path) { int rval = 0; struct stat st; lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", nonempty (path)); if ((!path) || (!*path)) return 0; if (stat (path, &st) >= 0) { rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); } return rval; } /* Searches for the full path of the wrapper. Returns newly allocated full path name if found, NULL otherwise Does not chase symlinks, even on platforms that support them. */ char * find_executable (const char *wrapper) { int has_slash = 0; const char *p; const char *p_next; /* static buffer for getcwd */ char tmp[LT_PATHMAX + 1]; size_t tmp_len; char *concat_name; lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", nonempty (wrapper)); if ((wrapper == NULL) || (*wrapper == '\0')) return NULL; /* Absolute path? */ #if defined HAVE_DOS_BASED_FILE_SYSTEM if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } else { #endif if (IS_DIR_SEPARATOR (wrapper[0])) { concat_name = xstrdup (wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } #if defined HAVE_DOS_BASED_FILE_SYSTEM } #endif for (p = wrapper; *p; p++) if (*p == '/') { has_slash = 1; break; } if (!has_slash) { /* no slashes; search PATH */ const char *path = getenv ("PATH"); if (path != NULL) { for (p = path; *p; p = p_next) { const char *q; size_t p_len; for (q = p; *q; q++) if (IS_PATH_SEPARATOR (*q)) break; p_len = (size_t) (q - p); p_next = (*q == '\0' ? q : q + 1); if (p_len == 0) { /* empty path: current directory */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); } else { concat_name = XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, p, p_len); concat_name[p_len] = '/'; strcpy (concat_name + p_len + 1, wrapper); } if (check_executable (concat_name)) return concat_name; XFREE (concat_name); } } /* not found in PATH; assume curdir */ } /* Relative path | not found in path: prepend cwd */ if (getcwd (tmp, LT_PATHMAX) == NULL) lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", nonnull (strerror (errno))); tmp_len = strlen (tmp); concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); memcpy (concat_name, tmp, tmp_len); concat_name[tmp_len] = '/'; strcpy (concat_name + tmp_len + 1, wrapper); if (check_executable (concat_name)) return concat_name; XFREE (concat_name); return NULL; } char * chase_symlinks (const char *pathspec) { #ifndef S_ISLNK return xstrdup (pathspec); #else char buf[LT_PATHMAX]; struct stat s; char *tmp_pathspec = xstrdup (pathspec); char *p; int has_symlinks = 0; while (strlen (tmp_pathspec) && !has_symlinks) { lt_debugprintf (__FILE__, __LINE__, "checking path component for symlinks: %s\n", tmp_pathspec); if (lstat (tmp_pathspec, &s) == 0) { if (S_ISLNK (s.st_mode) != 0) { has_symlinks = 1; break; } /* search backwards for last DIR_SEPARATOR */ p = tmp_pathspec + strlen (tmp_pathspec) - 1; while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) p--; if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) { /* no more DIR_SEPARATORS left */ break; } *p = '\0'; } else { lt_fatal (__FILE__, __LINE__, "error accessing file \"%s\": %s", tmp_pathspec, nonnull (strerror (errno))); } } XFREE (tmp_pathspec); if (!has_symlinks) { return xstrdup (pathspec); } tmp_pathspec = realpath (pathspec, buf); if (tmp_pathspec == 0) { lt_fatal (__FILE__, __LINE__, "could not follow symlinks for %s", pathspec); } return xstrdup (tmp_pathspec); #endif } char * strendzap (char *str, const char *pat) { size_t len, patlen; assert (str != NULL); assert (pat != NULL); len = strlen (str); patlen = strlen (pat); if (patlen <= len) { str += len - patlen; if (STREQ (str, pat)) *str = '\0'; } return str; } void lt_debugprintf (const char *file, int line, const char *fmt, ...) { va_list args; if (lt_debug) { (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); va_start (args, fmt); (void) vfprintf (stderr, fmt, args); va_end (args); } } static void lt_error_core (int exit_status, const char *file, int line, const char *mode, const char *message, va_list ap) { fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); vfprintf (stderr, message, ap); fprintf (stderr, ".\n"); if (exit_status >= 0) exit (exit_status); } void lt_fatal (const char *file, int line, const char *message, ...) { va_list ap; va_start (ap, message); lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); va_end (ap); } static const char * nonnull (const char *s) { return s ? s : "(null)"; } static const char * nonempty (const char *s) { return (s && !*s) ? "(empty)" : nonnull (s); } void lt_setenv (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_setenv) setting '%s' to '%s'\n", nonnull (name), nonnull (value)); { #ifdef HAVE_SETENV /* always make a copy, for consistency with !HAVE_SETENV */ char *str = xstrdup (value); setenv (name, str, 1); #else size_t len = strlen (name) + 1 + strlen (value) + 1; char *str = XMALLOC (char, len); sprintf (str, "%s=%s", name, value); if (putenv (str) != EXIT_SUCCESS) { XFREE (str); } #endif } } char * lt_extend_str (const char *orig_value, const char *add, int to_end) { char *new_value; if (orig_value && *orig_value) { size_t orig_value_len = strlen (orig_value); size_t add_len = strlen (add); new_value = XMALLOC (char, add_len + orig_value_len + 1); if (to_end) { strcpy (new_value, orig_value); strcpy (new_value + orig_value_len, add); } else { strcpy (new_value, add); strcpy (new_value + add_len, orig_value); } } else { new_value = xstrdup (add); } return new_value; } void lt_update_exe_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); /* some systems can't cope with a ':'-terminated path #' */ size_t len = strlen (new_value); while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) { new_value[--len] = '\0'; } lt_setenv (name, new_value); XFREE (new_value); } } void lt_update_lib_path (const char *name, const char *value) { lt_debugprintf (__FILE__, __LINE__, "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", nonnull (name), nonnull (value)); if (name && *name && value && *value) { char *new_value = lt_extend_str (getenv (name), value, 0); lt_setenv (name, new_value); XFREE (new_value); } } EOF case $host_os in mingw*) cat <<"EOF" /* Prepares an argument vector before calling spawn(). Note that spawn() does not by itself call the command interpreter (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&v); v.dwPlatformId == VER_PLATFORM_WIN32_NT; }) ? "cmd.exe" : "command.com"). Instead it simply concatenates the arguments, separated by ' ', and calls CreateProcess(). We must quote the arguments since Win32 CreateProcess() interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a special way: - Space and tab are interpreted as delimiters. They are not treated as delimiters if they are surrounded by double quotes: "...". - Unescaped double quotes are removed from the input. Their only effect is that within double quotes, space and tab are treated like normal characters. - Backslashes not followed by double quotes are not special. - But 2*n+1 backslashes followed by a double quote become n backslashes followed by a double quote (n >= 0): \" -> " \\\" -> \" \\\\\" -> \\" */ #define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" #define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" char ** prepare_spawn (char **argv) { size_t argc; char **new_argv; size_t i; /* Count number of arguments. */ for (argc = 0; argv[argc] != NULL; argc++) ; /* Allocate new argument vector. */ new_argv = XMALLOC (char *, argc + 1); /* Put quoted arguments into the new argument vector. */ for (i = 0; i < argc; i++) { const char *string = argv[i]; if (string[0] == '\0') new_argv[i] = xstrdup ("\"\""); else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) { int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); size_t length; unsigned int backslashes; const char *s; char *quoted_string; char *p; length = 0; backslashes = 0; if (quote_around) length++; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') length += backslashes + 1; length++; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) length += backslashes + 1; quoted_string = XMALLOC (char, length + 1); p = quoted_string; backslashes = 0; if (quote_around) *p++ = '"'; for (s = string; *s != '\0'; s++) { char c = *s; if (c == '"') { unsigned int j; for (j = backslashes + 1; j > 0; j--) *p++ = '\\'; } *p++ = c; if (c == '\\') backslashes++; else backslashes = 0; } if (quote_around) { unsigned int j; for (j = backslashes; j > 0; j--) *p++ = '\\'; *p++ = '"'; } *p = '\0'; new_argv[i] = quoted_string; } else new_argv[i] = (char *) string; } new_argv[argc] = NULL; return new_argv; } EOF ;; esac cat <<"EOF" void lt_dump_script (FILE* f) { EOF func_emit_wrapper yes | $SED -n -e ' s/^\(.\{79\}\)\(..*\)/\1\ \2/ h s/\([\\"]\)/\\\1/g s/$/\\n/ s/\([^\n]*\).*/ fputs ("\1", f);/p g D' cat <<"EOF" } EOF } # end: func_emit_cwrapperexe_src # func_emit_exe_manifest # emit a Win32 UAC manifest for executable on stdout # Must ONLY be called from within func_mode_link because # it depends on a number of variable set therein. func_emit_exe_manifest () { cat < EOF } # func_win32_import_lib_p ARG # True if ARG is an import lib, as indicated by $file_magic_cmd func_win32_import_lib_p () { $debug_cmd case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in *import*) : ;; *) false ;; esac } # func_suncc_cstd_abi # !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! # Several compiler flags select an ABI that is incompatible with the # Cstd library. Avoid specifying it if any are in CXXFLAGS. func_suncc_cstd_abi () { $debug_cmd case " $compile_command " in *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) suncc_use_cstd_abi=no ;; *) suncc_use_cstd_abi=yes ;; esac } # func_mode_link arg... func_mode_link () { $debug_cmd case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) # It is impossible to link a dll without this setting, and # we shouldn't force the makefile maintainer to figure out # what system we are compiling for in order to pass an extra # flag for every libtool invocation. # allow_undefined=no # FIXME: Unfortunately, there are problems with the above when trying # to make a dll that has undefined symbols, in which case not # even a static library is built. For now, we need to specify # -no-undefined on the libtool link line when we can be certain # that all symbols are satisfied, otherwise we get a static library. allow_undefined=yes ;; *) allow_undefined=yes ;; esac libtool_args=$nonopt base_compile="$nonopt $@" compile_command=$nonopt finalize_command=$nonopt compile_rpath= finalize_rpath= compile_shlibpath= finalize_shlibpath= convenience= old_convenience= deplibs= old_deplibs= compiler_flags= linker_flags= dllsearchpath= lib_search_path=`pwd` inst_prefix_dir= new_inherited_linker_flags= avoid_version=no bindir= dlfiles= dlprefiles= dlself=no export_dynamic=no export_symbols= export_symbols_regex= generated= libobjs= ltlibs= module=no no_install=no objs= os2dllname= non_pic_objects= precious_files_regex= prefer_static_libs=no preload=false prev= prevarg= release= rpath= xrpath= perm_rpath= temp_rpath= thread_safe=no vinfo= vinfo_number=no weak_libs= single_module=$wl-single_module func_infer_tag $base_compile # We need to know -static, to get the right output filenames. for arg do case $arg in -shared) test yes != "$build_libtool_libs" \ && func_fatal_configuration "cannot build a shared library" build_old_libs=no break ;; -all-static | -static | -static-libtool-libs) case $arg in -all-static) if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then func_warning "complete static linking is impossible in this configuration" fi if test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; -static) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=built ;; -static-libtool-libs) if test -z "$pic_flag" && test -n "$link_static_flag"; then dlopen_self=$dlopen_self_static fi prefer_static_libs=yes ;; esac build_libtool_libs=no build_old_libs=yes break ;; esac done # See if our shared archives depend on static archives. test -n "$old_archive_from_new_cmds" && build_old_libs=yes # Go through the arguments, transforming them on the way. while test "$#" -gt 0; do arg=$1 shift func_quote_arg pretty,unquoted "$arg" qarg=$func_quote_arg_unquoted_result func_append libtool_args " $func_quote_arg_result" # If the previous option needs an argument, assign it. if test -n "$prev"; then case $prev in output) func_append compile_command " @OUTPUT@" func_append finalize_command " @OUTPUT@" ;; esac case $prev in bindir) bindir=$arg prev= continue ;; dlfiles|dlprefiles) $preload || { # Add the symbol object into the linking commands. func_append compile_command " @SYMFILE@" func_append finalize_command " @SYMFILE@" preload=: } case $arg in *.la | *.lo) ;; # We handle these cases below. force) if test no = "$dlself"; then dlself=needless export_dynamic=yes fi prev= continue ;; self) if test dlprefiles = "$prev"; then dlself=yes elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then dlself=yes else dlself=needless export_dynamic=yes fi prev= continue ;; *) if test dlfiles = "$prev"; then func_append dlfiles " $arg" else func_append dlprefiles " $arg" fi prev= continue ;; esac ;; expsyms) export_symbols=$arg test -f "$arg" \ || func_fatal_error "symbol file '$arg' does not exist" prev= continue ;; expsyms_regex) export_symbols_regex=$arg prev= continue ;; framework) case $host in *-*-darwin*) case "$deplibs " in *" $qarg.ltframework "*) ;; *) func_append deplibs " $qarg.ltframework" # this is fixed later ;; esac ;; esac prev= continue ;; inst_prefix) inst_prefix_dir=$arg prev= continue ;; mllvm) # Clang does not use LLVM to link, so we can simply discard any # '-mllvm $arg' options when doing the link step. prev= continue ;; objectlist) if test -f "$arg"; then save_arg=$arg moreargs= for fil in `cat "$save_arg"` do # func_append moreargs " $fil" arg=$fil # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result if test none != "$pic_object"; then # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object fi # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi done else func_fatal_error "link input file '$arg' does not exist" fi arg=$save_arg prev= continue ;; os2dllname) os2dllname=$arg prev= continue ;; precious_regex) precious_files_regex=$arg prev= continue ;; release) release=-$arg prev= continue ;; rpath | xrpath) # We need an absolute path. case $arg in [\\/]* | [A-Za-z]:[\\/]*) ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac if test rpath = "$prev"; then case "$rpath " in *" $arg "*) ;; *) func_append rpath " $arg" ;; esac else case "$xrpath " in *" $arg "*) ;; *) func_append xrpath " $arg" ;; esac fi prev= continue ;; shrext) shrext_cmds=$arg prev= continue ;; weak) func_append weak_libs " $arg" prev= continue ;; xassembler) func_append compiler_flags " -Xassembler $qarg" prev= func_append compile_command " -Xassembler $qarg" func_append finalize_command " -Xassembler $qarg" continue ;; xcclinker) func_append linker_flags " $qarg" func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xcompiler) func_append compiler_flags " $qarg" prev= func_append compile_command " $qarg" func_append finalize_command " $qarg" continue ;; xlinker) func_append linker_flags " $qarg" func_append compiler_flags " $wl$qarg" prev= func_append compile_command " $wl$qarg" func_append finalize_command " $wl$qarg" continue ;; *) eval "$prev=\"\$arg\"" prev= continue ;; esac fi # test -n "$prev" prevarg=$arg case $arg in -all-static) if test -n "$link_static_flag"; then # See comment for -static flag below, for more details. func_append compile_command " $link_static_flag" func_append finalize_command " $link_static_flag" fi continue ;; -allow-undefined) # FIXME: remove this flag sometime in the future. func_fatal_error "'-allow-undefined' must not be used because it is the default" ;; -avoid-version) avoid_version=yes continue ;; -bindir) prev=bindir continue ;; -dlopen) prev=dlfiles continue ;; -dlpreopen) prev=dlprefiles continue ;; -export-dynamic) export_dynamic=yes continue ;; -export-symbols | -export-symbols-regex) if test -n "$export_symbols" || test -n "$export_symbols_regex"; then func_fatal_error "more than one -exported-symbols argument is not allowed" fi if test X-export-symbols = "X$arg"; then prev=expsyms else prev=expsyms_regex fi continue ;; -framework) prev=framework continue ;; -inst-prefix-dir) prev=inst_prefix continue ;; # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* # so, if we see these flags be careful not to treat them like -L -L[A-Z][A-Z]*:*) case $with_gcc/$host in no/*-*-irix* | /*-*-irix*) func_append compile_command " $arg" func_append finalize_command " $arg" ;; esac continue ;; -L*) func_stripname "-L" '' "$arg" if test -z "$func_stripname_result"; then if test "$#" -gt 0; then func_fatal_error "require no space between '-L' and '$1'" else func_fatal_error "need path for '-L' option" fi fi func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; *) absdir=`cd "$dir" && pwd` test -z "$absdir" && \ func_fatal_error "cannot determine absolute directory name of '$dir'" dir=$absdir ;; esac case "$deplibs " in *" -L$dir "* | *" $arg "*) # Will only happen for absolute or sysroot arguments ;; *) # Preserve sysroot, but never include relative directories case $dir in [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; *) func_append deplibs " -L$dir" ;; esac func_append lib_search_path " $dir" ;; esac case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` case :$dllsearchpath: in *":$dir:"*) ;; ::) dllsearchpath=$dir;; *) func_append dllsearchpath ":$dir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac continue ;; -l*) if test X-lc = "X$arg" || test X-lm = "X$arg"; then case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) # These systems don't actually have a C or math library (as such) continue ;; *-*-os2*) # These systems don't actually have a C library (as such) test X-lc = "X$arg" && continue ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig* | *-*-midnightbsd*) # Do not include libc due to us having libc/libc_r. test X-lc = "X$arg" && continue ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C and math libraries are in the System framework func_append deplibs " System.ltframework" continue ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype test X-lc = "X$arg" && continue ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work test X-lc = "X$arg" && continue ;; esac elif test X-lc_r = "X$arg"; then case $host in *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig* | *-*-midnightbsd*) # Do not include libc_r directly, use -pthread flag. continue ;; esac fi func_append deplibs " $arg" continue ;; -mllvm) prev=mllvm continue ;; -module) module=yes continue ;; # Tru64 UNIX uses -model [arg] to determine the layout of C++ # classes, name mangling, and exception handling. # Darwin uses the -arch flag to determine output architecture. -model|-arch|-isysroot|--sysroot) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" prev=xcompiler continue ;; # Solaris ld rejects as of 11.4. Refer to Oracle bug 22985199. -pthread) case $host in *solaris2*) ;; *) case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac ;; esac continue ;; -mt|-mthreads|-kthread|-Kthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) func_append compiler_flags " $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case "$new_inherited_linker_flags " in *" $arg "*) ;; * ) func_append new_inherited_linker_flags " $arg" ;; esac continue ;; -multi_module) single_module=$wl-multi_module continue ;; -no-fast-install) fast_install=no continue ;; -no-install) case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) # The PATH hackery in wrapper scripts is required on Windows # and Darwin in order for the loader to find any dlls it needs. func_warning "'-no-install' is ignored for $host" func_warning "assuming '-no-fast-install' instead" fast_install=no ;; *) no_install=yes ;; esac continue ;; -no-undefined) allow_undefined=no continue ;; -objectlist) prev=objectlist continue ;; -os2dllname) prev=os2dllname continue ;; -o) prev=output ;; -precious-files-regex) prev=precious_regex continue ;; -release) prev=release continue ;; -rpath) prev=rpath continue ;; -R) prev=xrpath continue ;; -R*) func_stripname '-R' '' "$arg" dir=$func_stripname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) ;; =*) func_stripname '=' '' "$dir" dir=$lt_sysroot$func_stripname_result ;; *) func_fatal_error "only absolute run-paths are allowed" ;; esac case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac continue ;; -shared) # The effects of -shared are defined in a previous loop. continue ;; -shrext) prev=shrext continue ;; -static | -static-libtool-libs) # The effects of -static are defined in a previous loop. # We used to do the same as -all-static on platforms that # didn't have a PIC flag, but the assumption that the effects # would be equivalent was wrong. It would break on at least # Digital Unix and AIX. continue ;; -thread-safe) thread_safe=yes continue ;; -version-info) prev=vinfo continue ;; -version-number) prev=vinfo vinfo_number=yes continue ;; -weak) prev=weak continue ;; -Wc,*) func_stripname '-Wc,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_arg pretty "$flag" func_append arg " $func_quote_arg_result" func_append compiler_flags " $func_quote_arg_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Wl,*) func_stripname '-Wl,' '' "$arg" args=$func_stripname_result arg= save_ifs=$IFS; IFS=, for flag in $args; do IFS=$save_ifs func_quote_arg pretty "$flag" func_append arg " $wl$func_quote_arg_result" func_append compiler_flags " $wl$func_quote_arg_result" func_append linker_flags " $func_quote_arg_result" done IFS=$save_ifs func_stripname ' ' '' "$arg" arg=$func_stripname_result ;; -Xassembler) prev=xassembler continue ;; -Xcompiler) prev=xcompiler continue ;; -Xlinker) prev=xlinker continue ;; -XCClinker) prev=xcclinker continue ;; # -msg_* for osf cc -msg_*) func_quote_arg pretty "$arg" arg=$func_quote_arg_result ;; # Flags to be passed through unchanged, with rationale: # -64, -mips[0-9] enable 64-bit mode for the SGI compiler # -r[0-9][0-9]* specify processor for the SGI compiler # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler # +DA*, +DD* enable 64-bit mode for the HP compiler # -q* compiler args for the IBM compiler # -m*, -t[45]*, -txscale* architecture-specific flags for GCC # -F/path path to uninstalled frameworks, gcc on darwin # -p, -pg, --coverage, -fprofile-* profiling flags for GCC # -fstack-protector* stack protector flags for GCC # @file GCC response files # -tp=* Portland pgcc target processor selection # --sysroot=* for sysroot support # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization # -specs=* GCC specs files # -stdlib=* select c++ std lib with clang # -{shared,static}-libgcc, -static-{libgfortran|libstdc++} # link against specified runtime library # -fsanitize=* Clang/GCC memory and address sanitizer # -fuse-ld=* Linker select flags for GCC # -Wa,* Pass flags directly to the assembler -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \ -specs=*|-fsanitize=*|-fuse-ld=*|-Wa,*|-ftree-parallelize-loops=*| \ -fcilkplus|-fgnu-tm|-ffast-math|-funsafe-math-optimizations| \ -fvtable-verify*|-shared-libgcc|-static-libgcc|-static-libgfortran| \ -static-libstdc++) func_quote_arg pretty "$arg" arg=$func_quote_arg_result func_append compile_command " $arg" func_append finalize_command " $arg" func_append compiler_flags " $arg" continue ;; -Z*) if test os2 = "`expr $host : '.*\(os2\)'`"; then # OS/2 uses -Zxxx to specify OS/2-specific options compiler_flags="$compiler_flags $arg" func_append compile_command " $arg" func_append finalize_command " $arg" case $arg in -Zlinker | -Zstack) prev=xcompiler ;; esac continue else # Otherwise treat like 'Some other compiler flag' below func_quote_arg pretty "$arg" arg=$func_quote_arg_result fi ;; # Some other compiler flag. -* | +*) func_quote_arg pretty "$arg" arg=$func_quote_arg_result ;; *.$objext) # A standard object. func_append objs " $arg" ;; *.lo) # A libtool-controlled object. # Check to see that this really is a libtool object. if func_lalib_unsafe_p "$arg"; then pic_object= non_pic_object= # Read the .lo file func_source "$arg" if test -z "$pic_object" || test -z "$non_pic_object" || test none = "$pic_object" && test none = "$non_pic_object"; then func_fatal_error "cannot find name of object for '$arg'" fi # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result test none = "$pic_object" || { # Prepend the subdirectory the object is found in. pic_object=$xdir$pic_object if test dlfiles = "$prev"; then if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then func_append dlfiles " $pic_object" prev= continue else # If libtool objects are unsupported, then we need to preload. prev=dlprefiles fi fi # CHECK ME: I think I busted this. -Ossama if test dlprefiles = "$prev"; then # Preload the old-style object. func_append dlprefiles " $pic_object" prev= fi # A PIC object. func_append libobjs " $pic_object" arg=$pic_object } # Non-PIC object. if test none != "$non_pic_object"; then # Prepend the subdirectory the object is found in. non_pic_object=$xdir$non_pic_object # A standard non-PIC object func_append non_pic_objects " $non_pic_object" if test -z "$pic_object" || test none = "$pic_object"; then arg=$non_pic_object fi else # If the PIC object exists, use it instead. # $xdir was prepended to $pic_object above. non_pic_object=$pic_object func_append non_pic_objects " $non_pic_object" fi else # Only an error if not doing a dry-run. if $opt_dry_run; then # Extract subdirectory from the argument. func_dirname "$arg" "/" "" xdir=$func_dirname_result func_lo2o "$arg" pic_object=$xdir$objdir/$func_lo2o_result non_pic_object=$xdir$func_lo2o_result func_append libobjs " $pic_object" func_append non_pic_objects " $non_pic_object" else func_fatal_error "'$arg' is not a valid libtool object" fi fi ;; *.$libext) # An archive. func_append deplibs " $arg" func_append old_deplibs " $arg" continue ;; *.la) # A libtool-controlled library. func_resolve_sysroot "$arg" if test dlfiles = "$prev"; then # This library was specified with -dlopen. func_append dlfiles " $func_resolve_sysroot_result" prev= elif test dlprefiles = "$prev"; then # The library was specified with -dlpreopen. func_append dlprefiles " $func_resolve_sysroot_result" prev= else func_append deplibs " $func_resolve_sysroot_result" fi continue ;; # Some other compiler argument. *) # Unknown arguments in both finalize_command and compile_command need # to be aesthetically quoted because they are evaled later. func_quote_arg pretty "$arg" arg=$func_quote_arg_result ;; esac # arg # Now actually substitute the argument into the commands. if test -n "$arg"; then func_append compile_command " $arg" func_append finalize_command " $arg" fi done # argument parsing loop test -n "$prev" && \ func_fatal_help "the '$prevarg' option requires an argument" if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then eval arg=\"$export_dynamic_flag_spec\" func_append compile_command " $arg" func_append finalize_command " $arg" fi oldlibs= # calculate the name of the file, without its directory func_basename "$output" outputname=$func_basename_result libobjs_save=$libobjs if test -n "$shlibpath_var"; then # get the directories listed in $shlibpath_var eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` else shlib_search_path= fi eval sys_lib_search_path=\"$sys_lib_search_path_spec\" eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" # Definition is injected by LT_CONFIG during libtool generation. func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" func_dirname "$output" "/" "" output_objdir=$func_dirname_result$objdir func_to_tool_file "$output_objdir/" tool_output_objdir=$func_to_tool_file_result # Create the object directory. func_mkdir_p "$output_objdir" # Determine the type of output case $output in "") func_fatal_help "you must specify an output file" ;; *.$libext) linkmode=oldlib ;; *.lo | *.$objext) linkmode=obj ;; *.la) linkmode=lib ;; *) linkmode=prog ;; # Anything else should be a program. esac specialdeplibs= libs= # Find all interdependent deplibs by searching for libraries # that are linked more than once (e.g. -la -lb -la) for deplib in $deplibs; do if $opt_preserve_dup_deps; then case "$libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append libs " $deplib" done if test lib = "$linkmode"; then libs="$predeps $libs $compiler_lib_search_path $postdeps" # Compute libraries that are listed more than once in $predeps # $postdeps and mark them as special (i.e., whose duplicates are # not to be eliminated). pre_post_deps= if $opt_duplicate_compiler_generated_deps; then for pre_post_dep in $predeps $postdeps; do case "$pre_post_deps " in *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; esac func_append pre_post_deps " $pre_post_dep" done fi pre_post_deps= fi deplibs= newdependency_libs= newlib_search_path= need_relink=no # whether we're linking any uninstalled libtool libraries notinst_deplibs= # not-installed libtool libraries notinst_path= # paths that contain not-installed libtool libraries case $linkmode in lib) passes="conv dlpreopen link" for file in $dlfiles $dlprefiles; do case $file in *.la) ;; *) func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" ;; esac done ;; prog) compile_deplibs= finalize_deplibs= alldeplibs=false newdlfiles= newdlprefiles= passes="conv scan dlopen dlpreopen link" ;; *) passes="conv" ;; esac for pass in $passes; do # The preopen pass in lib mode reverses $deplibs; put it back here # so that -L comes before libs that need it for instance... if test lib,link = "$linkmode,$pass"; then ## FIXME: Find the place where the list is rebuilt in the wrong ## order, and fix it there properly tmp_deplibs= for deplib in $deplibs; do tmp_deplibs="$deplib $tmp_deplibs" done deplibs=$tmp_deplibs fi if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass"; then libs=$deplibs deplibs= fi if test prog = "$linkmode"; then case $pass in dlopen) libs=$dlfiles ;; dlpreopen) libs=$dlprefiles ;; link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; esac fi if test lib,dlpreopen = "$linkmode,$pass"; then # Collect and forward deplibs of preopened libtool libs for lib in $dlprefiles; do # Ignore non-libtool-libs dependency_libs= func_resolve_sysroot "$lib" case $lib in *.la) func_source "$func_resolve_sysroot_result" ;; esac # Collect preopened libtool deplibs, except any this library # has declared as weak libs for deplib in $dependency_libs; do func_basename "$deplib" deplib_base=$func_basename_result case " $weak_libs " in *" $deplib_base "*) ;; *) func_append deplibs " $deplib" ;; esac done done libs=$dlprefiles fi if test dlopen = "$pass"; then # Collect dlpreopened libraries save_deplibs=$deplibs deplibs= fi for deplib in $libs; do lib= found=false case $deplib in -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append compiler_flags " $deplib" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -l*) if test lib != "$linkmode" && test prog != "$linkmode"; then func_warning "'-l' is ignored for archives/objects" continue fi func_stripname '-l' '' "$deplib" name=$func_stripname_result if test lib = "$linkmode"; then searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" else searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" fi for searchdir in $searchdirs; do for search_ext in .la $std_shrext .so .a; do # Search the libtool library lib=$searchdir/lib$name$search_ext if test -f "$lib"; then if test .la = "$search_ext"; then found=: else found=false fi break 2 fi done done if $found; then # deplib is a libtool library # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, # We need to do some special things here, and not later. if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $deplib "*) if func_lalib_p "$lib"; then library_names= old_library= func_source "$lib" for l in $old_library $library_names; do ll=$l done if test "X$ll" = "X$old_library"; then # only static version available found=false func_dirname "$lib" "" "." ladir=$func_dirname_result lib=$ladir/$old_library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi fi ;; *) ;; esac fi else # deplib doesn't seem to be a libtool library if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" fi continue fi ;; # -l *.ltframework) if test prog,link = "$linkmode,$pass"; then compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else deplibs="$deplib $deplibs" if test lib = "$linkmode"; then case "$new_inherited_linker_flags " in *" $deplib "*) ;; * ) func_append new_inherited_linker_flags " $deplib" ;; esac fi fi continue ;; -L*) case $linkmode in lib) deplibs="$deplib $deplibs" test conv = "$pass" && continue newdependency_libs="$deplib $newdependency_libs" func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; prog) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi if test scan = "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; *) func_warning "'-L' is ignored for archives/objects" ;; esac # linkmode continue ;; # -L -R*) if test link = "$pass"; then func_stripname '-R' '' "$deplib" func_resolve_sysroot "$func_stripname_result" dir=$func_resolve_sysroot_result # Make sure the xrpath contains only unique directories. case "$xrpath " in *" $dir "*) ;; *) func_append xrpath " $dir" ;; esac fi deplibs="$deplib $deplibs" continue ;; *.la) func_resolve_sysroot "$deplib" lib=$func_resolve_sysroot_result ;; *.$libext) if test conv = "$pass"; then deplibs="$deplib $deplibs" continue fi case $linkmode in lib) # Linking convenience modules and compiler provided static libraries # into shared libraries is allowed, but linking other static # libraries is non-portable. case $deplib in */libgcc*.$libext | */libclang_rt*.$libext) deplibs="$deplib $deplibs" continue ;; esac case " $dlpreconveniencelibs " in *" $deplib "*) ;; *) valid_a_lib=false case $deplibs_check_method in match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ | $EGREP "$match_pattern_regex" > /dev/null; then valid_a_lib=: fi ;; pass_all) valid_a_lib=: ;; esac if $valid_a_lib; then echo $ECHO "*** Warning: Linking the shared library $output against the" $ECHO "*** static library $deplib is not portable!" deplibs="$deplib $deplibs" else echo $ECHO "*** Warning: Trying to link with static lib archive $deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because the file extensions .$libext of this argument makes me believe" echo "*** that it is just a static archive that I should not use here." fi ;; esac continue ;; prog) if test link != "$pass"; then deplibs="$deplib $deplibs" else compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" fi continue ;; esac # linkmode ;; # *.$libext *.lo | *.$objext) if test conv = "$pass"; then deplibs="$deplib $deplibs" elif test prog = "$linkmode"; then if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then # If there is no dlopen support or we're linking statically, # we need to preload. func_append newdlprefiles " $deplib" compile_deplibs="$deplib $compile_deplibs" finalize_deplibs="$deplib $finalize_deplibs" else func_append newdlfiles " $deplib" fi fi continue ;; %DEPLIBS%) alldeplibs=: continue ;; esac # case $deplib $found || test -f "$lib" \ || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" # Check to see that this really is a libtool archive. func_lalib_unsafe_p "$lib" \ || func_fatal_error "'$lib' is not a valid libtool archive" func_dirname "$lib" "" "." ladir=$func_dirname_result dlname= dlopen= dlpreopen= libdir= library_names= old_library= inherited_linker_flags= # If the library was installed with an old release of libtool, # it will not redefine variables installed, or shouldnotlink installed=yes shouldnotlink=no avoidtemprpath= # Read the .la file func_source "$lib" # Convert "-framework foo" to "foo.ltframework" if test -n "$inherited_linker_flags"; then tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do case " $new_inherited_linker_flags " in *" $tmp_inherited_linker_flag "*) ;; *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; esac done fi dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` if test lib,link = "$linkmode,$pass" || test prog,scan = "$linkmode,$pass" || { test prog != "$linkmode" && test lib != "$linkmode"; }; then test -n "$dlopen" && func_append dlfiles " $dlopen" test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" fi if test conv = "$pass"; then # Only check for convenience libraries deplibs="$lib $deplibs" if test -z "$libdir"; then if test -z "$old_library"; then func_fatal_error "cannot find name of link library for '$lib'" fi # It is a libtool convenience library, so add in its objects. func_append convenience " $ladir/$objdir/$old_library" func_append old_convenience " $ladir/$objdir/$old_library" elif test prog != "$linkmode" && test lib != "$linkmode"; then func_fatal_error "'$lib' is not a convenience library" fi tmp_libs= for deplib in $dependency_libs; do deplibs="$deplib $deplibs" if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done continue fi # $pass = conv # Get the name of the library we link against. linklib= if test -n "$old_library" && { test yes = "$prefer_static_libs" || test built,no = "$prefer_static_libs,$installed"; }; then linklib=$old_library else for l in $old_library $library_names; do linklib=$l done fi if test -z "$linklib"; then func_fatal_error "cannot find name of link library for '$lib'" fi # This library was specified with -dlopen. if test dlopen = "$pass"; then test -z "$libdir" \ && func_fatal_error "cannot -dlopen a convenience library: '$lib'" if test -z "$dlname" || test yes != "$dlopen_support" || test no = "$build_libtool_libs" then # If there is no dlname, no dlopen support or we're linking # statically, we need to preload. We also need to preload any # dependent libraries so libltdl's deplib preloader doesn't # bomb out in the load deplibs phase. func_append dlprefiles " $lib $dependency_libs" else func_append newdlfiles " $lib" fi continue fi # $pass = dlopen # We need an absolute path. case $ladir in [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; *) abs_ladir=`cd "$ladir" && pwd` if test -z "$abs_ladir"; then func_warning "cannot determine absolute directory name of '$ladir'" func_warning "passing it literally to the linker, although it might fail" abs_ladir=$ladir fi ;; esac func_basename "$lib" laname=$func_basename_result # Find the relevant object directory and library name. if test yes = "$installed"; then if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then func_warning "library '$lib' was moved." dir=$ladir absdir=$abs_ladir libdir=$abs_ladir else dir=$lt_sysroot$libdir absdir=$lt_sysroot$libdir fi test yes = "$hardcode_automatic" && avoidtemprpath=yes else if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then dir=$ladir absdir=$abs_ladir # Remove this search path later func_append notinst_path " $abs_ladir" else dir=$ladir/$objdir absdir=$abs_ladir/$objdir # Remove this search path later func_append notinst_path " $abs_ladir" fi fi # $installed = yes func_stripname 'lib' '.la' "$laname" name=$func_stripname_result # This library was specified with -dlpreopen. if test dlpreopen = "$pass"; then if test -z "$libdir" && test prog = "$linkmode"; then func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" fi case $host in # special handling for platforms with PE-DLLs. *cygwin* | *msys* | *mingw* | *cegcc* ) # Linker will automatically link against shared library if both # static and shared are present. Therefore, ensure we extract # symbols from the import library if a shared library is present # (otherwise, the dlopen module name will be incorrect). We do # this by putting the import library name into $newdlprefiles. # We recover the dlopen module name by 'saving' the la file # name in a special purpose variable, and (later) extracting the # dlname from the la file. if test -n "$dlname"; then func_tr_sh "$dir/$linklib" eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" func_append newdlprefiles " $dir/$linklib" else func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" fi ;; * ) # Prefer using a static library (so that no silly _DYNAMIC symbols # are required to link). if test -n "$old_library"; then func_append newdlprefiles " $dir/$old_library" # Keep a list of preopened convenience libraries to check # that they are being used correctly in the link pass. test -z "$libdir" && \ func_append dlpreconveniencelibs " $dir/$old_library" # Otherwise, use the dlname, so that lt_dlopen finds it. elif test -n "$dlname"; then func_append newdlprefiles " $dir/$dlname" else func_append newdlprefiles " $dir/$linklib" fi ;; esac fi # $pass = dlpreopen if test -z "$libdir"; then # Link the convenience library if test lib = "$linkmode"; then deplibs="$dir/$old_library $deplibs" elif test prog,link = "$linkmode,$pass"; then compile_deplibs="$dir/$old_library $compile_deplibs" finalize_deplibs="$dir/$old_library $finalize_deplibs" else deplibs="$lib $deplibs" # used for prog,scan pass fi continue fi if test prog = "$linkmode" && test link != "$pass"; then func_append newlib_search_path " $ladir" deplibs="$lib $deplibs" linkalldeplibs=false if test no != "$link_all_deplibs" || test -z "$library_names" || test no = "$build_libtool_libs"; then linkalldeplibs=: fi tmp_libs= for deplib in $dependency_libs; do case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result" func_append newlib_search_path " $func_resolve_sysroot_result" ;; esac # Need to link against all dependency_libs? if $linkalldeplibs; then deplibs="$deplib $deplibs" else # Need to hardcode shared library paths # or/and link against static libraries newdependency_libs="$deplib $newdependency_libs" fi if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $deplib "*) func_append specialdeplibs " $deplib" ;; esac fi func_append tmp_libs " $deplib" done # for deplib continue fi # $linkmode = prog... if test prog,link = "$linkmode,$pass"; then if test -n "$library_names" && { { test no = "$prefer_static_libs" || test built,yes = "$prefer_static_libs,$installed"; } || test -z "$old_library"; }; then # We need to hardcode the library path if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then # Make sure the rpath contains only unique directories. case $temp_rpath: in *"$absdir:"*) ;; *) func_append temp_rpath "$absdir:" ;; esac fi # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi # $linkmode,$pass = prog,link... if $alldeplibs && { test pass_all = "$deplibs_check_method" || { test yes = "$build_libtool_libs" && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi fi link_static=no # Whether the deplib will be linked statically use_static_libs=$prefer_static_libs if test built = "$use_static_libs" && test yes = "$installed"; then use_static_libs=no fi if test -n "$library_names" && { test no = "$use_static_libs" || test -z "$old_library"; }; then case $host in *cygwin* | *msys* | *mingw* | *cegcc* | *os2*) # No point in relinking DLLs because paths are not encoded func_append notinst_deplibs " $lib" need_relink=no ;; *) if test no = "$installed"; then func_append notinst_deplibs " $lib" need_relink=yes fi ;; esac # This is a shared library # Warn about portability, can't link against -module's on some # systems (darwin). Don't bleat about dlopened modules though! dlopenmodule= for dlpremoduletest in $dlprefiles; do if test "X$dlpremoduletest" = "X$lib"; then dlopenmodule=$dlpremoduletest break fi done if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then echo if test prog = "$linkmode"; then $ECHO "*** Warning: Linking the executable $output against the loadable module" else $ECHO "*** Warning: Linking the shared library $output against the loadable module" fi $ECHO "*** $linklib is not portable!" fi if test lib = "$linkmode" && test yes = "$hardcode_into_libs"; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) func_append compile_rpath " $absdir" ;; esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac ;; esac fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names shift realname=$1 shift libname=`eval "\\$ECHO \"$libname_spec\""` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname=$dlname elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin* | *msys* | mingw* | *cegcc* | *os2*) func_arith $current - $age major=$func_arith_result versuffix=-$major ;; esac eval soname=\"$soname_spec\" else soname=$realname fi # Make a new name for the extract_expsyms_cmds to use soroot=$soname func_basename "$soroot" soname=$func_basename_result func_stripname 'lib' '.dll' "$soname" newlib=libimp-$func_stripname_result.a # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else func_verbose "extracting exported symbol list from '$soname'" func_execute_cmds "$extract_expsyms_cmds" 'exit $?' fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else func_verbose "generating import library for '$soname'" func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n "$old_archive_from_expsyms_cmds" if test prog = "$linkmode" || test relink != "$opt_mode"; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test no = "$hardcode_direct"; then add=$dir/$linklib case $host in *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; *-*-sysv4*uw2*) add_dir=-L$dir ;; *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ *-*-unixware7*) add_dir=-L$dir ;; *-*-darwin* ) # if the lib is a (non-dlopened) module then we cannot # link against it, someone is ignoring the earlier warnings if /usr/bin/file -L $add 2> /dev/null | $GREP ": [^:]* bundle" >/dev/null; then if test "X$dlopenmodule" != "X$lib"; then $ECHO "*** Warning: lib $linklib is a module, not a shared library" if test -z "$old_library"; then echo echo "*** And there doesn't seem to be a static archive available" echo "*** The link will probably fail, sorry" else add=$dir/$old_library fi elif test -n "$old_library"; then add=$dir/$old_library fi fi esac elif test no = "$hardcode_minus_L"; then case $host in *-*-sunos*) add_shlibpath=$dir ;; esac add_dir=-L$dir add=-l$name elif test no = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; relink) if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$dir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$absdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name elif test yes = "$hardcode_shlibpath_var"; then add_shlibpath=$dir add=-l$name else lib_linked=no fi ;; *) lib_linked=no ;; esac if test yes != "$lib_linked"; then func_fatal_configuration "unsupported hardcode properties" fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) func_append compile_shlibpath "$add_shlibpath:" ;; esac fi if test prog = "$linkmode"; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test yes != "$hardcode_direct" && test yes != "$hardcode_minus_L" && test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac fi fi fi if test prog = "$linkmode" || test relink = "$opt_mode"; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test yes = "$hardcode_direct" && test no = "$hardcode_direct_absolute"; then add=$libdir/$linklib elif test yes = "$hardcode_minus_L"; then add_dir=-L$libdir add=-l$name elif test yes = "$hardcode_shlibpath_var"; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) func_append finalize_shlibpath "$libdir:" ;; esac add=-l$name elif test yes = "$hardcode_automatic"; then if test -n "$inst_prefix_dir" && test -f "$inst_prefix_dir$libdir/$linklib"; then add=$inst_prefix_dir$libdir/$linklib else add=$libdir/$linklib fi else # We cannot seem to hardcode it, guess we'll fake it. add_dir=-L$libdir # Try looking first in the location we're being installed to. if test -n "$inst_prefix_dir"; then case $libdir in [\\/]*) func_append add_dir " -L$inst_prefix_dir$libdir" ;; esac fi add=-l$name fi if test prog = "$linkmode"; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test prog = "$linkmode"; then # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test unsupported != "$hardcode_direct"; then test -n "$old_library" && linklib=$old_library compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test yes = "$build_libtool_libs"; then # Not a shared library if test pass_all != "$deplibs_check_method"; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo $ECHO "*** Warning: This system cannot link to static lib archive $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test yes = "$module"; then echo "*** But as you try to build a module library, libtool will still create " echo "*** a static module, that should work as long as the dlopening application" echo "*** is linked with the -dlopen flag to resolve symbols at runtime." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test lib = "$linkmode"; then if test -n "$dependency_libs" && { test yes != "$hardcode_into_libs" || test yes = "$build_old_libs" || test yes = "$link_static"; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) func_stripname '-R' '' "$libdir" temp_xrpath=$func_stripname_result case " $xrpath " in *" $temp_xrpath "*) ;; *) func_append xrpath " $temp_xrpath";; esac;; *) func_append temp_deplibs " $libdir";; esac done dependency_libs=$temp_deplibs fi func_append newlib_search_path " $absdir" # Link against this library test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case $deplib in -L*) func_stripname '-L' '' "$deplib" func_resolve_sysroot "$func_stripname_result";; *) func_resolve_sysroot "$deplib" ;; esac if $opt_preserve_dup_deps; then case "$tmp_libs " in *" $func_resolve_sysroot_result "*) func_append specialdeplibs " $func_resolve_sysroot_result" ;; esac fi func_append tmp_libs " $func_resolve_sysroot_result" done if test no != "$link_all_deplibs"; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do path= case $deplib in -L*) path=$deplib ;; *.la) func_resolve_sysroot "$deplib" deplib=$func_resolve_sysroot_result func_dirname "$deplib" "" "." dir=$func_dirname_result # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then func_warning "cannot determine absolute directory name of '$dir'" absdir=$dir fi ;; esac if $GREP "^installed=no" $deplib > /dev/null; then case $host in *-*-darwin*) depdepl= eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` if test -n "$deplibrary_names"; then for tmp in $deplibrary_names; do depdepl=$tmp done if test -f "$absdir/$objdir/$depdepl"; then depdepl=$absdir/$objdir/$depdepl darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` if test -z "$darwin_install_name"; then darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` fi func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" path= fi fi ;; *) path=-L$absdir/$objdir ;; esac else eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` test -z "$libdir" && \ func_fatal_error "'$deplib' is not a valid libtool archive" abs_inode=`ls -i "$deplib" | awk '{print $1}'` lib_inode=`ls -i "$libdir/$(basename $deplib)" | awk '{print $1}'` test "$abs_inode" != "$lib_inode" && \ func_warning "'$deplib' seems to be moved" path=-L$absdir fi ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$path $deplibs" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test link = "$pass"; then if test prog = "$linkmode"; then compile_deplibs="$new_inherited_linker_flags $compile_deplibs" finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" else compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` fi fi dependency_libs=$newdependency_libs if test dlpreopen = "$pass"; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test dlopen != "$pass"; then test conv = "$pass" || { # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) func_append lib_search_path " $dir" ;; esac done newlib_search_path= } if test prog,link = "$linkmode,$pass"; then vars="compile_deplibs finalize_deplibs" else vars=deplibs fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do # FIXME: Pedantically, this is the right thing to do, so # that some nasty dependency loop isn't accidentally # broken: #new_libs="$deplib $new_libs" # Pragmatically, this seems to cause very few problems in # practice: case $deplib in -L*) new_libs="$deplib $new_libs" ;; -R*) ;; *) # And here is the reason: when a library appears more # than once as an explicit dependence of a library, or # is implicitly linked in more than once by the # compiler, it is considered special, and multiple # occurrences thereof are not removed. Compare this # with having the same library being listed as a # dependency of multiple other libraries: in this case, # we know (pedantically, we assume) the library does not # need to be listed more than once, so we keep only the # last copy. This is not always right, but it is rare # enough that we require users that really mean to play # such unportable linking tricks to link the library # using -Wl,-lname, so that libtool does not consider it # for duplicate removal. case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) func_append tmp_libs " $deplib" ;; esac ;; *) func_append tmp_libs " $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi # Add Sun CC postdeps if required: test CXX = "$tagname" && { case $host_os in linux*) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; solaris*) func_cc_basename "$CC" case $func_cc_basename_result in CC* | sunCC*) func_suncc_cstd_abi if test no != "$suncc_use_cstd_abi"; then func_append postdeps ' -library=Cstd -library=Crun' fi ;; esac ;; esac } # Last step: remove runtime libs from dependency_libs # (they stay in deplibs) tmp_libs= for i in $dependency_libs; do case " $predeps $postdeps $compiler_lib_search_path " in *" $i "*) i= ;; esac if test -n "$i"; then func_append tmp_libs " $i" fi done dependency_libs=$tmp_libs done # for pass if test prog = "$linkmode"; then dlfiles=$newdlfiles fi if test prog = "$linkmode" || test lib = "$linkmode"; then dlprefiles=$newdlprefiles fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for archives" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for archives" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for archives" test -n "$xrpath" && \ func_warning "'-R' is ignored for archives" test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for archives" test -n "$release" && \ func_warning "'-release' is ignored for archives" test -n "$export_symbols$export_symbols_regex" && \ func_warning "'-export-symbols' is ignored for archives" # Now set the variables for building old libraries. build_libtool_libs=no oldlibs=$output func_append objs "$old_deplibs" ;; lib) # Make sure we only generate libraries of the form 'libNAME.la'. case $outputname in lib*) func_stripname 'lib' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" ;; *) test no = "$module" \ && func_fatal_help "libtool library '$output' must begin with 'lib'" if test no != "$need_lib_prefix"; then # Add the "lib" prefix for modules if required func_stripname '' '.la' "$outputname" name=$func_stripname_result eval shared_ext=\"$shrext_cmds\" eval libname=\"$libname_spec\" else func_stripname '' '.la' "$outputname" libname=$func_stripname_result fi ;; esac if test -n "$objs"; then if test pass_all != "$deplibs_check_method"; then func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" else echo $ECHO "*** Warning: Linking the shared library $output against the non-libtool" $ECHO "*** objects $objs is not portable!" func_append libobjs " $objs" fi fi test no = "$dlself" \ || func_warning "'-dlopen self' is ignored for libtool libraries" set dummy $rpath shift test 1 -lt "$#" \ && func_warning "ignoring multiple '-rpath's for a libtool library" install_libdir=$1 oldlibs= if test -z "$rpath"; then if test yes = "$build_libtool_libs"; then # Building a libtool convenience library. # Some compilers have problems with a '.al' extension so # convenience libraries should have the same extension an # archive normally would. oldlibs="$output_objdir/$libname.$libext $oldlibs" build_libtool_libs=convenience build_old_libs=yes fi test -n "$vinfo" && \ func_warning "'-version-info/-version-number' is ignored for convenience libraries" test -n "$release" && \ func_warning "'-release' is ignored for convenience libraries" else # Parse the version information argument. save_ifs=$IFS; IFS=: set dummy $vinfo 0 0 0 shift IFS=$save_ifs test -n "$7" && \ func_fatal_help "too many parameters to '-version-info'" # convert absolute version numbers to libtool ages # this retains compatibility with .la files and attempts # to make the code below a bit more comprehensible case $vinfo_number in yes) number_major=$1 number_minor=$2 number_revision=$3 # # There are really only two kinds -- those that # use the current revision as the major version # and those that subtract age and use age as # a minor version. But, then there is irix # that has an extra 1 added just for fun # case $version_type in # correct linux to gnu/linux during the next big refactor darwin|freebsd-elf|linux|midnightbsd-elf|osf|windows|none) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_revision ;; freebsd-aout|qnx|sunos) current=$number_major revision=$number_minor age=0 ;; irix|nonstopux) func_arith $number_major + $number_minor current=$func_arith_result age=$number_minor revision=$number_minor lt_irix_increment=no ;; esac ;; no) current=$1 revision=$2 age=$3 ;; esac # Check that each of the things are valid numbers. case $current in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "CURRENT '$current' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $revision in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "REVISION '$revision' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac case $age in 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; *) func_error "AGE '$age' must be a nonnegative integer" func_fatal_error "'$vinfo' is not valid version information" ;; esac if test "$age" -gt "$current"; then func_error "AGE '$age' is greater than the current interface number '$current'" func_fatal_error "'$vinfo' is not valid version information" fi # Calculate the version variables. major= versuffix= verstring= case $version_type in none) ;; darwin) # Like Linux, but with the current version available in # verstring for coding it into the library header func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision # Darwin ld doesn't like 0 for these options... func_arith $current + 1 minor_current=$func_arith_result xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" # On Darwin other compilers case $CC in nagfor*) verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" ;; *) verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" ;; esac ;; freebsd-aout) major=.$current versuffix=.$current.$revision ;; freebsd-elf | midnightbsd-elf) func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; irix | nonstopux) if test no = "$lt_irix_increment"; then func_arith $current - $age else func_arith $current - $age + 1 fi major=$func_arith_result case $version_type in nonstopux) verstring_prefix=nonstopux ;; *) verstring_prefix=sgi ;; esac verstring=$verstring_prefix$major.$revision # Add in all the interfaces that we are compatible with. loop=$revision while test 0 -ne "$loop"; do func_arith $revision - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring_prefix$major.$iface:$verstring done # Before this point, $major must not contain '.'. major=.$major versuffix=$major.$revision ;; linux) # correct to gnu/linux during the next big refactor func_arith $current - $age major=.$func_arith_result versuffix=$major.$age.$revision ;; osf) func_arith $current - $age major=.$func_arith_result versuffix=.$current.$age.$revision verstring=$current.$age.$revision # Add in all the interfaces that we are compatible with. loop=$age while test 0 -ne "$loop"; do func_arith $current - $loop iface=$func_arith_result func_arith $loop - 1 loop=$func_arith_result verstring=$verstring:$iface.0 done # Make executables depend on our current version. func_append verstring ":$current.0" ;; qnx) major=.$current versuffix=.$current ;; sco) major=.$current versuffix=.$current ;; sunos) major=.$current versuffix=.$current.$revision ;; windows) # Use '-' rather than '.', since we only want one # extension on DOS 8.3 file systems. func_arith $current - $age major=$func_arith_result versuffix=-$major ;; *) func_fatal_configuration "unknown library version type '$version_type'" ;; esac # Clear the version info if we defaulted, and they specified a release. if test -z "$vinfo" && test -n "$release"; then major= case $version_type in darwin) # we can't check for "0.0" in archive_cmds due to quoting # problems, so we reset it completely verstring= ;; *) verstring=0.0 ;; esac if test no = "$need_version"; then versuffix= else versuffix=.0.0 fi fi # Remove version info from name if versioning should be avoided if test yes,no = "$avoid_version,$need_version"; then major= versuffix= verstring= fi # Check to see if the archive will have undefined symbols. if test yes = "$allow_undefined"; then if test unsupported = "$allow_undefined_flag"; then if test yes = "$build_old_libs"; then func_warning "undefined symbols not allowed in $host shared libraries; building static only" build_libtool_libs=no else func_fatal_error "can't build $host shared library unless -no-undefined is specified" fi fi else # Don't allow undefined symbols. allow_undefined_flag=$no_undefined_flag fi fi func_generate_dlsyms "$libname" "$libname" : func_append libobjs " $symfileobj" test " " = "$libobjs" && libobjs= if test relink != "$opt_mode"; then # Remove our outputs, but don't remove object files since they # may have been created when compiling PIC objects. removelist= tempremovelist=`$ECHO "$output_objdir/*"` for p in $tempremovelist; do case $p in *.$objext | *.gcno) ;; $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) if test -n "$precious_files_regex"; then if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 then continue fi fi func_append removelist " $p" ;; *) ;; esac done test -n "$removelist" && \ func_show_eval "${RM}r \$removelist" fi # Now set the variables for building old libraries. if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then func_append oldlibs " $output_objdir/$libname.$libext" # Transform .lo files to .o files. oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` fi # Eliminate all temporary directories. #for path in $notinst_path; do # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` #done if test -n "$xrpath"; then # If the user specified any rpath flags, then add them. temp_xrpath= for libdir in $xrpath; do func_replace_sysroot "$libdir" func_append temp_xrpath " -R$func_replace_sysroot_result" case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then dependency_libs="$temp_xrpath $dependency_libs" fi fi # Make sure dlfiles contains only unique files that won't be dlpreopened old_dlfiles=$dlfiles dlfiles= for lib in $old_dlfiles; do case " $dlprefiles $dlfiles " in *" $lib "*) ;; *) func_append dlfiles " $lib" ;; esac done # Make sure dlprefiles contains only unique files old_dlprefiles=$dlprefiles dlprefiles= for lib in $old_dlprefiles; do case "$dlprefiles " in *" $lib "*) ;; *) func_append dlprefiles " $lib" ;; esac done if test yes = "$build_libtool_libs"; then if test -n "$rpath"; then case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) # these systems don't actually have a c library (as such)! ;; *-*-rhapsody* | *-*-darwin1.[012]) # Rhapsody C library is in the System framework func_append deplibs " System.ltframework" ;; *-*-netbsd*) # Don't link with libc until the a.out ld.so is fixed. ;; *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-midnightbsd*) # Do not include libc due to us having libc/libc_r. ;; *-*-sco3.2v5* | *-*-sco5v6*) # Causes problems with __ctype ;; *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) # Compiler inserts libc in the correct place for threads to work ;; *) # Add libc to deplibs on all other systems if necessary. if test yes = "$build_libtool_need_lc"; then func_append deplibs " -lc" fi ;; esac fi # Transform deplibs into only deplibs that can be linked in shared. name_save=$name libname_save=$libname release_save=$release versuffix_save=$versuffix major_save=$major # I'm not sure if I'm treating the release correctly. I think # release should show up in the -l (ie -lgmp5) so we don't want to # add it in twice. Is that correct? release= versuffix= major= newdeplibs= droppeddeps=no case $deplibs_check_method in pass_all) # Don't check for shared/static. Everything works. # This might be a little naive. We might want to check # whether the library exists or not. But this is on # osf3 & osf4 and I'm not really sure... Just # implementing what was already the behavior. newdeplibs=$deplibs ;; test_compile) # This code stresses the "libraries are programs" paradigm to its # limits. Maybe even breaks it. We compile a program, linking it # against the deplibs as a proxy for the library. Then we can check # whether they linked in statically or dynamically with ldd. $opt_dry_run || $RM conftest.c cat > conftest.c </dev/null` $nocaseglob else potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` fi for potent_lib in $potential_libs; do # Follow soft links. if ls -lLd "$potent_lib" 2>/dev/null | $GREP " -> " >/dev/null; then continue fi # The statement above tries to avoid entering an # endless loop below, in case of cyclic links. # We might still enter an endless loop, since a link # loop can be closed while we follow links, # but so what? potlib=$potent_lib while test -h "$potlib" 2>/dev/null; do potliblink=`ls -ld $potlib | $SED 's/.* -> //'` case $potliblink in [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; esac done if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | $SED -e 10q | $EGREP "$file_magic_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi # Linking compiler provided static libraries into shared # libraries is allowed, but linking other static libraries is # non-portable. case $potlib in */libFortran*.$libext) func_append newdeplibs " $potlib" a_deplib= ;; esac done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for file magic test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a file magic. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; match_pattern*) set dummy $deplibs_check_method; shift match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` for a_deplib in $deplibs; do case $a_deplib in -l*) func_stripname -l '' "$a_deplib" name=$func_stripname_result if test yes = "$allow_libtool_libs_with_static_runtimes"; then case " $predeps $postdeps " in *" $a_deplib "*) func_append newdeplibs " $a_deplib" a_deplib= ;; esac fi if test -n "$a_deplib"; then libname=`eval "\\$ECHO \"$libname_spec\""` for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do potential_libs=`ls $i/$libname[.-]* 2>/dev/null` for potent_lib in $potential_libs; do potlib=$potent_lib # see symlink-check above in file_magic test if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ $EGREP "$match_pattern_regex" > /dev/null; then func_append newdeplibs " $a_deplib" a_deplib= break 2 fi done done fi if test -n "$a_deplib"; then droppeddeps=yes echo $ECHO "*** Warning: linker path does not have real file for library $a_deplib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have" echo "*** because I did check the linker path looking for a file starting" if test -z "$potlib"; then $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" else $ECHO "*** with $libname and none of the candidates passed a file format test" $ECHO "*** using a regex pattern. Last file checked: $potlib" fi fi ;; *) # Add a -L argument. func_append newdeplibs " $a_deplib" ;; esac done # Gone through all deplibs. ;; none | unknown | *) newdeplibs= tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` if test yes = "$allow_libtool_libs_with_static_runtimes"; then for i in $predeps $postdeps; do # can't use Xsed below, because $i might contain '/' tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` done fi case $tmp_deplibs in *[!\ \ ]*) echo if test none = "$deplibs_check_method"; then echo "*** Warning: inter-library dependencies are not supported in this platform." else echo "*** Warning: inter-library dependencies are not known to be supported." fi echo "*** All declared inter-library dependencies are being dropped." droppeddeps=yes ;; esac ;; esac versuffix=$versuffix_save major=$major_save release=$release_save libname=$libname_save name=$name_save case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library with the System framework newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac if test yes = "$droppeddeps"; then if test yes = "$module"; then echo echo "*** Warning: libtool could not satisfy all declared inter-library" $ECHO "*** dependencies of module $libname. Therefore, libtool will create" echo "*** a static module, that should work as long as the dlopening" echo "*** application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using 'nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** 'nm' from GNU binutils and a full rebuild may help." fi if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi else echo "*** The inter-library dependencies that have been dropped here will be" echo "*** automatically added whenever a program is linked with this library" echo "*** or is declared to -dlopen it." if test no = "$allow_undefined"; then echo echo "*** Since this library must not contain undefined symbols," echo "*** because either the platform does not support them or" echo "*** it was explicitly requested with -no-undefined," echo "*** libtool will only create a static version of it." if test no = "$build_old_libs"; then oldlibs=$output_objdir/$libname.$libext build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi fi fi # Done checking deplibs! deplibs=$newdeplibs fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" case $host in *-*-darwin*) newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done deplibs=$new_libs # All the library-specific variables (install_libdir is set above). library_names= old_library= dlname= # Test again, we may have decided not to build it any more if test yes = "$build_libtool_libs"; then # Remove $wl instances when linking with ld. # FIXME: should test the right _cmds variable. case $archive_cmds in *\$LD\ *) wl= ;; esac if test yes = "$hardcode_into_libs"; then # Hardcode the library paths hardcode_libdirs= dep_rpath= rpath=$finalize_rpath test relink = "$opt_mode" || rpath=$compile_rpath$rpath for libdir in $rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then func_replace_sysroot "$libdir" libdir=$func_replace_sysroot_result if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append dep_rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" fi if test -n "$runpath_var" && test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" fi test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" fi shlibpath=$finalize_shlibpath test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath if test -n "$shlibpath"; then eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" fi # Get the real and link names of the library. eval shared_ext=\"$shrext_cmds\" eval library_names=\"$library_names_spec\" set dummy $library_names shift realname=$1 shift if test -n "$soname_spec"; then eval soname=\"$soname_spec\" else soname=$realname fi if test -z "$dlname"; then dlname=$soname fi lib=$output_objdir/$realname linknames= for link do func_append linknames " $link" done # Use standard objects if they are pic test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` test "X$libobjs" = "X " && libobjs= delfiles= if test -n "$export_symbols" && test -n "$include_expsyms"; then $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" export_symbols=$output_objdir/$libname.uexp func_append delfiles " $export_symbols" fi orig_export_symbols= case $host_os in cygwin* | msys* | mingw* | cegcc*) if test -n "$export_symbols" && test -z "$export_symbols_regex"; then # exporting using user supplied symfile func_dll_def_p "$export_symbols" || { # and it's NOT already a .def file. Must figure out # which of the given symbols are data symbols and tag # them as such. So, trigger use of export_symbols_cmds. # export_symbols gets reassigned inside the "prepare # the list of exported symbols" if statement, so the # include_expsyms logic still works. orig_export_symbols=$export_symbols export_symbols= always_export_symbols=yes } fi ;; esac # Prepare the list of exported symbols if test -z "$export_symbols"; then if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols cmds=$export_symbols_cmds save_ifs=$IFS; IFS='~' for cmd1 in $cmds; do IFS=$save_ifs # Take the normal branch if the nm_file_list_spec branch # doesn't work or if tool conversion is not needed. case $nm_file_list_spec~$to_tool_file_cmd in *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) try_normal_branch=yes eval cmd=\"$cmd1\" func_len " $cmd" len=$func_len_result ;; *) try_normal_branch=no ;; esac if test yes = "$try_normal_branch" \ && { test "$len" -lt "$max_cmd_len" \ || test "$max_cmd_len" -le -1; } then func_show_eval "$cmd" 'exit $?' skipped_export=false elif test -n "$nm_file_list_spec"; then func_basename "$output" output_la=$func_basename_result save_libobjs=$libobjs save_output=$output output=$output_objdir/$output_la.nm func_to_tool_file "$output" libobjs=$nm_file_list_spec$func_to_tool_file_result func_append delfiles " $output" func_verbose "creating $NM input file list: $output" for obj in $save_libobjs; do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > "$output" eval cmd=\"$cmd1\" func_show_eval "$cmd" 'exit $?' output=$save_output libobjs=$save_libobjs skipped_export=false else # The command line is too long to execute in one step. func_verbose "using reloadable object file for export list..." skipped_export=: # Break out early, otherwise skipped_export may be # set to false by a later but shorter cmd. break fi done IFS=$save_ifs if test -n "$export_symbols_regex" && test : != "$skipped_export"; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi fi if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test : != "$skipped_export" && test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi tmp_deplibs= for test_deplib in $deplibs; do case " $convenience " in *" $test_deplib "*) ;; *) func_append tmp_deplibs " $test_deplib" ;; esac done deplibs=$tmp_deplibs if test -n "$convenience"; then if test -n "$whole_archive_flag_spec" && test yes = "$compiler_needs_object" && test -z "$libobjs"; then # extract the archives, so we have objects to list. # TODO: could optimize this to just extract one archive. whole_archive_flag_spec= fi if test -n "$whole_archive_flag_spec"; then save_libobjs=$libobjs eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= else gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $convenience func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi fi if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then eval flag=\"$thread_safe_flag_spec\" func_append linker_flags " $flag" fi # Make a backup of the uninstalled library when relinking if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? fi # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then eval test_cmds=\"$module_expsym_cmds\" cmds=$module_expsym_cmds else eval test_cmds=\"$module_cmds\" cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then eval test_cmds=\"$archive_expsym_cmds\" cmds=$archive_expsym_cmds else eval test_cmds=\"$archive_cmds\" cmds=$archive_cmds fi fi if test : != "$skipped_export" && func_len " $test_cmds" && len=$func_len_result && test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then : else # The command line is too long to link in one step, link piecewise # or, if using GNU ld and skipped_export is not :, use a linker # script. # Save the value of $output and $libobjs because we want to # use them later. If we have whole_archive_flag_spec, we # want to use save_libobjs as it was before # whole_archive_flag_spec was expanded, because we can't # assume the linker understands whole_archive_flag_spec. # This may have to be revisited, in case too many # convenience libraries get linked in and end up exceeding # the spec. if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then save_libobjs=$libobjs fi save_output=$output func_basename "$output" output_la=$func_basename_result # Clear the reloadable object creation command queue and # initialize k to one. test_cmds= concat_cmds= objlist= last_robj= k=1 if test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then output=$output_objdir/$output_la.lnk func_verbose "creating linker input file list: $output" : > $output set x $save_libobjs shift firstobj= if test yes = "$compiler_needs_object"; then firstobj="$1 " shift fi for obj do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done func_append delfiles " $output" func_to_tool_file "$output" output=$firstobj\"$file_list_spec$func_to_tool_file_result\" elif test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then output=$output_objdir/$output_la.lnkscript func_verbose "creating GNU ld script: $output" echo 'INPUT (' > $output for obj in $save_libobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" >> $output done echo ')' >> $output func_append delfiles " $output" func_to_tool_file "$output" output=$func_to_tool_file_result else if test -n "$save_libobjs"; then func_verbose "creating reloadable object files..." output=$output_objdir/$output_la-$k.$objext eval test_cmds=\"$reload_cmds\" func_len " $test_cmds" len0=$func_len_result len=$len0 # Loop over the list of objects to be linked. for obj in $save_libobjs do func_len " $obj" func_arith $len + $func_len_result len=$func_arith_result if test -z "$objlist" || test "$len" -lt "$max_cmd_len"; then func_append objlist " $obj" else # The command $test_cmds is almost too long, add a # command to the queue. if test 1 -eq "$k"; then # The first file doesn't have a previous command to add. reload_objs=$objlist eval concat_cmds=\"$reload_cmds\" else # All subsequent reloadable object files will link in # the last one created. reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" fi last_robj=$output_objdir/$output_la-$k.$objext func_arith $k + 1 k=$func_arith_result output=$output_objdir/$output_la-$k.$objext objlist=" $obj" func_len " $last_robj" func_arith $len0 + $func_len_result len=$func_arith_result fi done # Handle the remaining objects by creating one last # reloadable object file. All subsequent reloadable object # files will link in the last one created. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ reload_objs="$objlist $last_robj" eval concat_cmds=\"\$concat_cmds$reload_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi func_append delfiles " $output" else output= fi ${skipped_export-false} && { func_verbose "generating symbol list for '$libname.la'" export_symbols=$output_objdir/$libname.exp $opt_dry_run || $RM $export_symbols libobjs=$output # Append the command to create the export file. test -z "$concat_cmds" || concat_cmds=$concat_cmds~ eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" if test -n "$last_robj"; then eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" fi } test -n "$save_libobjs" && func_verbose "creating a temporary reloadable object file: $output" # Loop through the commands generated above and execute them. save_ifs=$IFS; IFS='~' for cmd in $concat_cmds; do IFS=$save_ifs $opt_quiet || { func_quote_arg expand,pretty "$cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs if test -n "$export_symbols_regex" && ${skipped_export-false}; then func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' func_show_eval '$MV "${export_symbols}T" "$export_symbols"' fi fi ${skipped_export-false} && { if test -n "$export_symbols" && test -n "$include_expsyms"; then tmp_export_symbols=$export_symbols test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' fi if test -n "$orig_export_symbols"; then # The given exports_symbols file has to be filtered, so filter it. func_verbose "filter symbol list for '$libname.la' to tag DATA exports" # FIXME: $output_objdir/$libname.filter potentially contains lots of # 's' commands, which not all seds can handle. GNU sed should be fine # though. Also, the filter scales superlinearly with the number of # global variables. join(1) would be nice here, but unfortunately # isn't a blessed tool. $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter func_append delfiles " $export_symbols $output_objdir/$libname.filter" export_symbols=$output_objdir/$libname.def $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols fi } libobjs=$output # Restore the value of output. output=$save_output if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then eval libobjs=\"\$libobjs $whole_archive_flag_spec\" test "X$libobjs" = "X " && libobjs= fi # Expand the library linking commands again to reset the # value of $libobjs for piecewise linking. # Do each of the archive commands. if test yes = "$module" && test -n "$module_cmds"; then if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then cmds=$module_expsym_cmds else cmds=$module_cmds fi else if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then cmds=$archive_expsym_cmds else cmds=$archive_cmds fi fi fi if test -n "$delfiles"; then # Append the command to remove temporary files to $cmds. eval cmds=\"\$cmds~\$RM $delfiles\" fi # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append libobjs " $func_extract_archives_result" test "X$libobjs" = "X " && libobjs= fi save_ifs=$IFS; IFS='~' for cmd in $cmds; do IFS=$sp$nl eval cmd=\"$cmd\" IFS=$save_ifs $opt_quiet || { func_quote_arg expand,pretty "$cmd" eval "func_echo $func_quote_arg_result" } $opt_dry_run || eval "$cmd" || { lt_exit=$? # Restore the uninstalled library and exit if test relink = "$opt_mode"; then ( cd "$output_objdir" && \ $RM "${realname}T" && \ $MV "${realname}U" "$realname" ) fi exit $lt_exit } done IFS=$save_ifs # Restore the uninstalled library and exit if test relink = "$opt_mode"; then $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? if test -n "$convenience"; then if test -z "$whole_archive_flag_spec"; then func_show_eval '${RM}r "$gentop"' fi fi exit $EXIT_SUCCESS fi # Create links to the real library. for linkname in $linknames; do if test "$realname" != "$linkname"; then func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' fi done # If -module or -export-dynamic was specified, set the dlname. if test yes = "$module" || test yes = "$export_dynamic"; then # On all known operating systems, these are identical. dlname=$soname fi fi ;; obj) if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then func_warning "'-dlopen' is ignored for objects" fi case " $deplibs" in *\ -l* | *\ -L*) func_warning "'-l' and '-L' are ignored for objects" ;; esac test -n "$rpath" && \ func_warning "'-rpath' is ignored for objects" test -n "$xrpath" && \ func_warning "'-R' is ignored for objects" test -n "$vinfo" && \ func_warning "'-version-info' is ignored for objects" test -n "$release" && \ func_warning "'-release' is ignored for objects" case $output in *.lo) test -n "$objs$old_deplibs" && \ func_fatal_error "cannot build library object '$output' from non-libtool objects" libobj=$output func_lo2o "$libobj" obj=$func_lo2o_result ;; *) libobj= obj=$output ;; esac # Delete the old objects. $opt_dry_run || $RM $obj $libobj # Objects from convenience libraries. This assumes # single-version convenience libraries. Whenever we create # different ones for PIC/non-PIC, this we'll have to duplicate # the extraction. reload_conv_objs= gentop= # if reload_cmds runs $LD directly, get rid of -Wl from # whole_archive_flag_spec and hope we can get by with turning comma # into space. case $reload_cmds in *\$LD[\ \$]*) wl= ;; esac if test -n "$convenience"; then if test -n "$whole_archive_flag_spec"; then eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags else gentop=$output_objdir/${obj}x func_append generated " $gentop" func_extract_archives $gentop $convenience reload_conv_objs="$reload_objs $func_extract_archives_result" fi fi # If we're not building shared, we need to use non_pic_objs test yes = "$build_libtool_libs" || libobjs=$non_pic_objects # Create the old-style object. reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs output=$obj func_execute_cmds "$reload_cmds" 'exit $?' # Exit if we aren't doing a library object file. if test -z "$libobj"; then if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS fi test yes = "$build_libtool_libs" || { if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi # Create an invalid libtool object if no PIC, so that we don't # accidentally link it into a program. # $show "echo timestamp > $libobj" # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? exit $EXIT_SUCCESS } if test -n "$pic_flag" || test default != "$pic_mode"; then # Only do commands if we really have different PIC objects. reload_objs="$libobjs $reload_conv_objs" output=$libobj func_execute_cmds "$reload_cmds" 'exit $?' fi if test -n "$gentop"; then func_show_eval '${RM}r "$gentop"' fi exit $EXIT_SUCCESS ;; prog) case $host in *cygwin* | *msys*) func_stripname '' '.exe' "$output" output=$func_stripname_result.exe;; esac test -n "$vinfo" && \ func_warning "'-version-info' is ignored for programs" test -n "$release" && \ func_warning "'-release' is ignored for programs" $preload \ && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." case $host in *-*-rhapsody* | *-*-darwin1.[012]) # On Rhapsody replace the C library is the System framework compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` ;; esac case $host in *-*-darwin*) # Don't allow lazy linking, it breaks C++ global constructors # But is supposedly fixed on 10.4 or later (yay!). if test CXX = "$tagname"; then case ${MACOSX_DEPLOYMENT_TARGET-10.0} in 10.[0123]) func_append compile_command " $wl-bind_at_load" func_append finalize_command " $wl-bind_at_load" ;; esac fi # Time to change all our "foo.ltframework" stuff back to "-framework foo" compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` ;; esac # move library search paths that coincide with paths to not yet # installed libraries to the beginning of the library search list new_libs= for path in $notinst_path; do case " $new_libs " in *" -L$path/$objdir "*) ;; *) case " $compile_deplibs " in *" -L$path/$objdir "*) func_append new_libs " -L$path/$objdir" ;; esac ;; esac done for deplib in $compile_deplibs; do case $deplib in -L*) case " $new_libs " in *" $deplib "*) ;; *) func_append new_libs " $deplib" ;; esac ;; *) func_append new_libs " $deplib" ;; esac done compile_deplibs=$new_libs func_append compile_command " $compile_deplibs" func_append finalize_command " $finalize_deplibs" if test -n "$rpath$xrpath"; then # If the user specified any rpath flags, then add them. for libdir in $rpath $xrpath; do # This is the magic to use -rpath. case "$finalize_rpath " in *" $libdir "*) ;; *) func_append finalize_rpath " $libdir" ;; esac done fi # Now hardcode the library paths rpath= hardcode_libdirs= for libdir in $compile_rpath $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$perm_rpath " in *" $libdir "*) ;; *) func_append perm_rpath " $libdir" ;; esac fi case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` case :$dllsearchpath: in *":$libdir:"*) ;; ::) dllsearchpath=$libdir;; *) func_append dllsearchpath ":$libdir";; esac case :$dllsearchpath: in *":$testbindir:"*) ;; ::) dllsearchpath=$testbindir;; *) func_append dllsearchpath ":$testbindir";; esac ;; esac done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi compile_rpath=$rpath rpath= hardcode_libdirs= for libdir in $finalize_rpath; do if test -n "$hardcode_libdir_flag_spec"; then if test -n "$hardcode_libdir_separator"; then if test -z "$hardcode_libdirs"; then hardcode_libdirs=$libdir else # Just accumulate the unique libdirs. case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) ;; *) func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" ;; esac fi else eval flag=\"$hardcode_libdir_flag_spec\" func_append rpath " $flag" fi elif test -n "$runpath_var"; then case "$finalize_perm_rpath " in *" $libdir "*) ;; *) func_append finalize_perm_rpath " $libdir" ;; esac fi done # Substitute the hardcoded libdirs into the rpath. if test -n "$hardcode_libdir_separator" && test -n "$hardcode_libdirs"; then libdir=$hardcode_libdirs eval rpath=\" $hardcode_libdir_flag_spec\" fi finalize_rpath=$rpath if test -n "$libobjs" && test yes = "$build_old_libs"; then # Transform all the library objects into standard objects. compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` fi func_generate_dlsyms "$outputname" "@PROGRAM@" false # template prelinking step if test -n "$prelink_cmds"; then func_execute_cmds "$prelink_cmds" 'exit $?' fi wrappers_required=: case $host in *cegcc* | *mingw32ce*) # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. wrappers_required=false ;; *cygwin* | *msys* | *mingw* ) test yes = "$build_libtool_libs" || wrappers_required=false ;; *) if test no = "$need_relink" || test yes != "$build_libtool_libs"; then wrappers_required=false fi ;; esac $wrappers_required || { # Replace the output file specification. compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` link_command=$compile_command$compile_rpath # We have no uninstalled library dependencies, so finalize right now. exit_status=0 func_show_eval "$link_command" 'exit_status=$?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Delete the generated files. if test -f "$output_objdir/${outputname}S.$objext"; then func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' fi exit $exit_status } if test -n "$compile_shlibpath$finalize_shlibpath"; then compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" fi if test -n "$finalize_shlibpath"; then finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" fi compile_var= finalize_var= if test -n "$runpath_var"; then if test -n "$perm_rpath"; then # We should set the runpath_var. rpath= for dir in $perm_rpath; do func_append rpath "$dir:" done compile_var="$runpath_var=\"$rpath\$$runpath_var\" " fi if test -n "$finalize_perm_rpath"; then # We should set the runpath_var. rpath= for dir in $finalize_perm_rpath; do func_append rpath "$dir:" done finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " fi fi if test yes = "$no_install"; then # We don't need to create a wrapper script. link_command=$compile_var$compile_command$compile_rpath # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` # Delete the old output file. $opt_dry_run || $RM $output # Link the executable and exit func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi exit $EXIT_SUCCESS fi case $hardcode_action,$fast_install in relink,*) # Fast installation is not supported link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath func_warning "this platform does not like uninstalled shared libraries" func_warning "'$output' will be relinked during installation" ;; *,yes) link_command=$finalize_var$compile_command$finalize_rpath relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` ;; *,no) link_command=$compile_var$compile_command$compile_rpath relink_command=$finalize_var$finalize_command$finalize_rpath ;; *,needless) link_command=$finalize_var$compile_command$finalize_rpath relink_command= ;; esac # Replace the output file specification. link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` # Delete the old output files. $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname func_show_eval "$link_command" 'exit $?' if test -n "$postlink_cmds"; then func_to_tool_file "$output_objdir/$outputname" postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` func_execute_cmds "$postlink_cmds" 'exit $?' fi # Now create the wrapper script. func_verbose "creating $output" # Quote the relink command for shipping. if test -n "$relink_command"; then # Preserve any variables that may affect compiler behavior for var in $variables_saved_for_relink; do if eval test -z \"\${$var+set}\"; then relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" elif eval var_value=\$$var; test -z "$var_value"; then relink_command="$var=; export $var; $relink_command" else func_quote_arg pretty "$var_value" relink_command="$var=$func_quote_arg_result; export $var; $relink_command" fi done func_quote eval cd "`pwd`" func_quote_arg pretty,unquoted "($func_quote_result; $relink_command)" relink_command=$func_quote_arg_unquoted_result fi # Only actually do things if not in dry run mode. $opt_dry_run || { # win32 will think the script is a binary if it has # a .exe suffix, so we strip it off here. case $output in *.exe) func_stripname '' '.exe' "$output" output=$func_stripname_result ;; esac # test for cygwin because mv fails w/o .exe extensions case $host in *cygwin* | *msys*) exeext=.exe func_stripname '' '.exe' "$outputname" outputname=$func_stripname_result ;; *) exeext= ;; esac case $host in *cygwin* | *msys* | *mingw* ) func_dirname_and_basename "$output" "" "." output_name=$func_basename_result output_path=$func_dirname_result cwrappersource=$output_path/$objdir/lt-$output_name.c cwrapper=$output_path/$output_name.exe $RM $cwrappersource $cwrapper trap "$RM $cwrappersource $cwrapper $cwrapper.manifest; exit $EXIT_FAILURE" 1 2 15 func_emit_cwrapperexe_src > $cwrappersource # The wrapper executable is built using the $host compiler, # because it contains $host paths and files. If cross- # compiling, it, like the target executable, must be # executed on the $host or under an emulation environment. $opt_dry_run || { $LTCC $LTCFLAGS -o $cwrapper $cwrappersource $STRIP $cwrapper } # Now, create the wrapper script for func_source use: func_ltwrapper_scriptname $cwrapper $RM $func_ltwrapper_scriptname_result trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 $opt_dry_run || { # note: this script will not be executed, so do not chmod. if test "x$build" = "x$host"; then # Create the UAC manifests first if necessary (but the # manifest files must have executable permission regardless). case $output_name in *instal*|*patch*|*setup*|*update*) func_emit_exe_manifest > $cwrapper.manifest func_emit_exe_manifest > $output_path/$objdir/$output_name.exe.manifest chmod +x $cwrapper.manifest chmod +x $output_path/$objdir/$output_name.exe.manifest ;; esac $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result else func_emit_wrapper no > $func_ltwrapper_scriptname_result fi } ;; * ) $RM $output trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 func_emit_wrapper no > $output chmod +x $output ;; esac } exit $EXIT_SUCCESS ;; esac # See if we need to build an old-fashioned archive. for oldlib in $oldlibs; do case $build_libtool_libs in convenience) oldobjs="$libobjs_save $symfileobj" addlibs=$convenience build_libtool_libs=no ;; module) oldobjs=$libobjs_save addlibs=$old_convenience build_libtool_libs=no ;; *) oldobjs="$old_deplibs $non_pic_objects" $preload && test -f "$symfileobj" \ && func_append oldobjs " $symfileobj" addlibs=$old_convenience ;; esac if test -n "$addlibs"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $addlibs func_append oldobjs " $func_extract_archives_result" fi # Do each command in the archive commands. if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then cmds=$old_archive_from_new_cmds else # Add any objects from preloaded convenience libraries if test -n "$dlprefiles"; then gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_extract_archives $gentop $dlprefiles func_append oldobjs " $func_extract_archives_result" fi # POSIX demands no paths to be encoded in archives. We have # to avoid creating archives with duplicate basenames if we # might have to extract them afterwards, e.g., when creating a # static archive out of a convenience library, or when linking # the entirety of a libtool archive into another (currently # not supported by libtool). if (for obj in $oldobjs do func_basename "$obj" $ECHO "$func_basename_result" done | sort | sort -uc >/dev/null 2>&1); then : else echo "copying selected object files to avoid basename conflicts..." gentop=$output_objdir/${outputname}x func_append generated " $gentop" func_mkdir_p "$gentop" save_oldobjs=$oldobjs oldobjs= counter=1 for obj in $save_oldobjs do func_basename "$obj" objbase=$func_basename_result case " $oldobjs " in " ") oldobjs=$obj ;; *[\ /]"$objbase "*) while :; do # Make sure we don't pick an alternate name that also # overlaps. newobj=lt$counter-$objbase func_arith $counter + 1 counter=$func_arith_result case " $oldobjs " in *[\ /]"$newobj "*) ;; *) if test ! -f "$gentop/$newobj"; then break; fi ;; esac done func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" func_append oldobjs " $gentop/$newobj" ;; *) func_append oldobjs " $obj" ;; esac done fi func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 tool_oldlib=$func_to_tool_file_result eval cmds=\"$old_archive_cmds\" func_len " $cmds" len=$func_len_result if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then cmds=$old_archive_cmds elif test -n "$archiver_list_spec"; then func_verbose "using command file archive linking..." for obj in $oldobjs do func_to_tool_file "$obj" $ECHO "$func_to_tool_file_result" done > $output_objdir/$libname.libcmd func_to_tool_file "$output_objdir/$libname.libcmd" oldobjs=" $archiver_list_spec$func_to_tool_file_result" cmds=$old_archive_cmds else # the command line is too long to link in one step, link in parts func_verbose "using piecewise archive linking..." save_RANLIB=$RANLIB RANLIB=: objlist= concat_cmds= save_oldobjs=$oldobjs oldobjs= # Is there a better way of finding the last object in the list? 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then $ECHO >> $output "\ relink_command=\"$relink_command\"" fi done } # Do a symbolic link so that the libtool archive can be found in # LD_LIBRARY_PATH before the program is installed. func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' ;; esac exit $EXIT_SUCCESS } if test link = "$opt_mode" || test relink = "$opt_mode"; then func_mode_link ${1+"$@"} fi # func_mode_uninstall arg... func_mode_uninstall () { $debug_cmd RM=$nonopt files= rmforce=false exit_status=0 # This variable tells wrapper scripts just to set variables rather # than running their programs. libtool_install_magic=$magic for arg do case $arg in -f) func_append RM " $arg"; rmforce=: ;; -*) func_append RM " $arg" ;; *) func_append files " $arg" ;; esac done test -z "$RM" && \ func_fatal_help "you must specify an RM program" rmdirs= for file in $files; do func_dirname "$file" "" "." dir=$func_dirname_result if test . = "$dir"; then odir=$objdir else odir=$dir/$objdir fi func_basename "$file" name=$func_basename_result test uninstall = "$opt_mode" && odir=$dir # Remember odir for removal later, being careful to avoid duplicates if test clean = "$opt_mode"; then case " $rmdirs " in *" $odir "*) ;; *) func_append rmdirs " $odir" ;; esac fi # Don't error if the file doesn't exist and rm -f was used. if { test -L "$file"; } >/dev/null 2>&1 || { test -h "$file"; } >/dev/null 2>&1 || test -f "$file"; then : elif test -d "$file"; then exit_status=1 continue elif $rmforce; then continue fi rmfiles=$file case $name in *.la) # Possibly a libtool archive, so verify it. if func_lalib_p "$file"; then func_source $dir/$name # Delete the libtool libraries and symlinks. for n in $library_names; do func_append rmfiles " $odir/$n" done test -n "$old_library" && func_append rmfiles " $odir/$old_library" case $opt_mode in clean) case " $library_names " in *" $dlname "*) ;; *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; esac test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" ;; uninstall) if test -n "$library_names"; then # Do each command in the postuninstall commands. func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1' fi if test -n "$old_library"; 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then if func_ltwrapper_executable_p "$file"; then func_ltwrapper_scriptname "$file" relink_command= func_source $func_ltwrapper_scriptname_result func_append rmfiles " $func_ltwrapper_scriptname_result" else relink_command= func_source $dir/$noexename fi # note $name still contains .exe if it was in $file originally # as does the version of $file that was added into $rmfiles func_append rmfiles " $odir/$name $odir/${name}S.$objext" func_append rmfiles " ${name}.manifest $objdir/${name}.manifest" if test yes = "$fast_install" && test -n "$relink_command"; then func_append rmfiles " $odir/lt-$name $objdir/lt-${name}.manifest" fi if test "X$noexename" != "X$name"; then func_append rmfiles " $odir/lt-$noexename.c" fi fi fi ;; esac func_show_eval "$RM $rmfiles" 'exit_status=1' done # Try to remove the $objdir's in the directories where we deleted files for dir in $rmdirs; do if test -d "$dir"; then func_show_eval "rmdir $dir >/dev/null 2>&1" fi done exit $exit_status } if test uninstall = "$opt_mode" || test clean = "$opt_mode"; 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There is NO # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # GNU Libtool is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of of the License, or # (at your option) any later version. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program or library that is built # using GNU Libtool, you may include this file under the same # distribution terms that you use for the rest of that program. # # GNU Libtool is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . ]) # serial 59 LT_INIT # LT_PREREQ(VERSION) # ------------------ # Complain and exit if this libtool version is less that VERSION. m4_defun([LT_PREREQ], [m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, [m4_default([$3], [m4_fatal([Libtool version $1 or higher is required], 63)])], [$2])]) # _LT_CHECK_BUILDDIR # ------------------ # Complain if the absolute build directory name contains unusual characters m4_defun([_LT_CHECK_BUILDDIR], [case `pwd` in *\ * | *\ *) AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; esac ]) # LT_INIT([OPTIONS]) # ------------------ AC_DEFUN([LT_INIT], [AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl AC_BEFORE([$0], [LT_LANG])dnl AC_BEFORE([$0], [LT_OUTPUT])dnl AC_BEFORE([$0], [LTDL_INIT])dnl m4_require([_LT_CHECK_BUILDDIR])dnl dnl Autoconf doesn't catch unexpanded LT_ macros by default: m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 dnl unless we require an AC_DEFUNed macro: AC_REQUIRE([LTOPTIONS_VERSION])dnl AC_REQUIRE([LTSUGAR_VERSION])dnl AC_REQUIRE([LTVERSION_VERSION])dnl AC_REQUIRE([LTOBSOLETE_VERSION])dnl m4_require([_LT_PROG_LTMAIN])dnl _LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) dnl Parse OPTIONS _LT_SET_OPTIONS([$0], [$1]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS=$ltmain # Always use our own libtool. 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Use them if available. if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then LD=${LD-ld}_sol2 fi ;; *) if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then LD="${LD-ld} -64" fi ;; esac ;; esac fi rm -rf conftest* ;; esac need_locks=$enable_libtool_lock ])# _LT_ENABLE_LOCK # _LT_PROG_AR # ----------- m4_defun([_LT_PROG_AR], [AC_CHECK_TOOLS(AR, [ar], false) : ${AR=ar} _LT_DECL([], [AR], [1], [The archiver]) # Use ARFLAGS variable as AR's operation code to sync the variable naming with # Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have # higher priority because thats what people were doing historically (setting # ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS # variable obsoleted/removed. test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} lt_ar_flags=$AR_FLAGS _LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)]) # Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override # by AR_FLAGS because that was never working and AR_FLAGS is about to die. _LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}], [Flags to create an archive]) AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], [lt_cv_ar_at_file=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM], [echo conftest.$ac_objext > conftest.lst lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' AC_TRY_EVAL([lt_ar_try]) if test 0 -eq "$ac_status"; then # Ensure the archiver fails upon bogus file names. rm -f conftest.$ac_objext libconftest.a AC_TRY_EVAL([lt_ar_try]) if test 0 -ne "$ac_status"; then lt_cv_ar_at_file=@ fi fi rm -f conftest.* libconftest.a ]) ]) if test no = "$lt_cv_ar_at_file"; then archiver_list_spec= else archiver_list_spec=$lt_cv_ar_at_file fi _LT_DECL([], [archiver_list_spec], [1], [How to feed a file listing to the archiver]) ])# _LT_PROG_AR # _LT_CMD_OLD_ARCHIVE # ------------------- m4_defun([_LT_CMD_OLD_ARCHIVE], [_LT_PROG_AR AC_CHECK_TOOL(STRIP, strip, :) test -z "$STRIP" && STRIP=: _LT_DECL([], [STRIP], [1], [A symbol stripping program]) AC_CHECK_TOOL(RANLIB, ranlib, :) test -z "$RANLIB" && RANLIB=: _LT_DECL([], [RANLIB], [1], [Commands used to install an old-style archive]) # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in bitrig* | openbsd*) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" ;; *) old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" fi case $host_os in darwin*) lock_old_archive_extraction=yes ;; *) lock_old_archive_extraction=no ;; esac _LT_DECL([], [old_postinstall_cmds], [2]) _LT_DECL([], [old_postuninstall_cmds], [2]) _LT_TAGDECL([], [old_archive_cmds], [2], [Commands used to build an old-style archive]) _LT_DECL([], [lock_old_archive_extraction], [0], [Whether to use a lock for old archive extraction]) ])# _LT_CMD_OLD_ARCHIVE # _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------------------- # Check whether the given compiler option works AC_DEFUN([_LT_COMPILER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) echo "$lt_simple_compile_test_code" > conftest.$ac_ext lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment # Insert the option either (1) after the last *FLAGS variable, or # (2) before a word containing "conftest.", or (3) at the end. # Note that $ac_compile itself does not contain backslashes and begins # with a dollar sign (not a hyphen), so the echo should work correctly. # The option is referenced via a variable to avoid confusing sed. lt_compile=`echo "$ac_compile" | $SED \ -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&AS_MESSAGE_LOG_FD echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi fi $RM conftest* ]) if test yes = "[$]$2"; then m4_if([$5], , :, [$5]) else m4_if([$6], , :, [$6]) fi ])# _LT_COMPILER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) # _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, # [ACTION-SUCCESS], [ACTION-FAILURE]) # ---------------------------------------------------- # Check whether the given linker option works AC_DEFUN([_LT_LINKER_OPTION], [m4_require([_LT_FILEUTILS_DEFAULTS])dnl m4_require([_LT_DECL_SED])dnl AC_CACHE_CHECK([$1], [$2], [$2=no save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $3" echo "$lt_simple_link_test_code" > conftest.$ac_ext if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then # The linker can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then # Append any errors to the config.log. cat conftest.err 1>&AS_MESSAGE_LOG_FD $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 if diff conftest.exp conftest.er2 >/dev/null; then $2=yes fi else $2=yes fi fi $RM -r conftest* LDFLAGS=$save_LDFLAGS ]) if test yes = "[$]$2"; then m4_if([$4], , :, [$4]) else m4_if([$5], , :, [$5]) fi ])# _LT_LINKER_OPTION # Old name: AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) # LT_CMD_MAX_LEN #--------------- AC_DEFUN([LT_CMD_MAX_LEN], [AC_REQUIRE([AC_CANONICAL_HOST])dnl # find the maximum length of command line arguments AC_MSG_CHECKING([the maximum length of command line arguments]) AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl i=0 teststring=ABCD case $build_os in msdosdjgpp*) # On DJGPP, this test can blow up pretty badly due to problems in libc # (any single argument exceeding 2000 bytes causes a buffer overrun # during glob expansion). Even if it were fixed, the result of this # check would be larger than it should be. lt_cv_sys_max_cmd_len=12288; # 12K is about right ;; gnu*) # Under GNU Hurd, this test is not required because there is # no limit to the length of command line arguments. # Libtool will interpret -1 as no limit whatsoever lt_cv_sys_max_cmd_len=-1; ;; cygwin* | msys* | mingw* | cegcc*) # On Win9x/ME, this test blows up -- it succeeds, but takes # about 5 minutes as the teststring grows exponentially. # Worse, since 9x/ME are not pre-emptively multitasking, # you end up with a "frozen" computer, even though with patience # the test eventually succeeds (with a max line length of 256k). # Instead, let's just punt: use the minimum linelength reported by # all of the supported platforms: 8192 (on NT/2K/XP). lt_cv_sys_max_cmd_len=8192; ;; mint*) # On MiNT this can take a long time and run out of memory. lt_cv_sys_max_cmd_len=8192; ;; amigaos*) # On AmigaOS with pdksh, this test takes hours, literally. # So we just punt and use a minimum line length of 8192. lt_cv_sys_max_cmd_len=8192; ;; bitrig* | darwin* | dragonfly* | freebsd* | midnightbsd* | netbsd* | openbsd*) # This has been around since 386BSD, at least. Likely further. if test -x /sbin/sysctl; then lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` elif test -x /usr/sbin/sysctl; then lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` else lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs fi # And add a safety zone lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` ;; interix*) # We know the value 262144 and hardcode it with a safety zone (like BSD) lt_cv_sys_max_cmd_len=196608 ;; os2*) # The test takes a long time on OS/2. lt_cv_sys_max_cmd_len=8192 ;; osf*) # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not # nice to cause kernel panics so lets avoid the loop below. # First set a reasonable default. lt_cv_sys_max_cmd_len=16384 # if test -x /sbin/sysconfig; then case `/sbin/sysconfig -q proc exec_disable_arg_limit` in *1*) lt_cv_sys_max_cmd_len=-1 ;; esac fi ;; sco3.2v5*) lt_cv_sys_max_cmd_len=102400 ;; sysv5* | sco5v6* | sysv4.2uw2*) kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` if test -n "$kargmax"; then lt_cv_sys_max_cmd_len=`echo $kargmax | $SED 's/.*[[ ]]//'` else lt_cv_sys_max_cmd_len=32768 fi ;; *) lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` if test -n "$lt_cv_sys_max_cmd_len" && \ test undefined != "$lt_cv_sys_max_cmd_len"; then lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` else # Make teststring a little bigger before we do anything with it. # a 1K string should be a reasonable start. for i in 1 2 3 4 5 6 7 8; do teststring=$teststring$teststring done SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} # If test is not a shell built-in, we'll probably end up computing a # maximum length that is only half of the actual maximum length, but # we can't tell. while { test X`env echo "$teststring$teststring" 2>/dev/null` \ = "X$teststring$teststring"; } >/dev/null 2>&1 && test 17 != "$i" # 1/2 MB should be enough do i=`expr $i + 1` teststring=$teststring$teststring done # Only check the string length outside the loop. lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` teststring= # Add a significant safety factor because C++ compilers can tack on # massive amounts of additional arguments before passing them to the # linker. It appears as though 1/2 is a usable value. lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` fi ;; esac ]) if test -n "$lt_cv_sys_max_cmd_len"; then AC_MSG_RESULT($lt_cv_sys_max_cmd_len) else AC_MSG_RESULT(none) fi max_cmd_len=$lt_cv_sys_max_cmd_len _LT_DECL([], [max_cmd_len], [0], [What is the maximum length of a command?]) ])# LT_CMD_MAX_LEN # Old name: AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) # _LT_HEADER_DLFCN # ---------------- m4_defun([_LT_HEADER_DLFCN], [AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl ])# _LT_HEADER_DLFCN # _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ---------------------------------------------------------------- m4_defun([_LT_TRY_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes = "$cross_compiling"; then : [$4] else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF [#line $LINENO "configure" #include "confdefs.h" #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif /* When -fvisibility=hidden is used, assume the code has been annotated correspondingly for the symbols needed. */ #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) int fnord () __attribute__((visibility("default"))); #endif int fnord () { return 42; } int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else { if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; else puts (dlerror ()); } /* dlclose (self); */ } else puts (dlerror ()); return status; }] _LT_EOF if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_dlunknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_TRY_DLOPEN_SELF # LT_SYS_DLOPEN_SELF # ------------------ AC_DEFUN([LT_SYS_DLOPEN_SELF], [m4_require([_LT_HEADER_DLFCN])dnl if test yes != "$enable_dlopen"; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen=load_add_on lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; mingw* | pw32* | cegcc*) lt_cv_dlopen=LoadLibrary lt_cv_dlopen_libs= ;; cygwin* | msys*) lt_cv_dlopen=dlopen lt_cv_dlopen_libs= ;; darwin*) # if libdl is installed we need to link against it AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ lt_cv_dlopen=dyld lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ]) ;; tpf*) # Don't try to run any link tests for TPF. We know it's impossible # because TPF is a cross-compiler, and we know how we open DSOs. lt_cv_dlopen=dlopen lt_cv_dlopen_libs= lt_cv_dlopen_self=no ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen=shl_load], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen=dlopen], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) ]) ]) ]) ]) ]) ;; esac if test no = "$lt_cv_dlopen"; then enable_dlopen=no else enable_dlopen=yes fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS=$CPPFLAGS test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS=$LDFLAGS wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS=$LIBS LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test yes = "$lt_cv_dlopen_self"; 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esac ;; haiku*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no dynamic_linker="$host_os runtime_loader" library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' shlibpath_var=LIBRARY_PATH shlibpath_overrides_runpath=no sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. version_type=sunos need_lib_prefix=no need_version=no case $host_cpu in ia64*) shrext_cmds='.so' hardcode_into_libs=yes dynamic_linker="$host_os dld.so" shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' if test 32 = "$HPUX_IA64_MODE"; then sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" sys_lib_dlsearch_path_spec=/usr/lib/hpux32 else sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" sys_lib_dlsearch_path_spec=/usr/lib/hpux64 fi ;; hppa*64*) shrext_cmds='.sl' hardcode_into_libs=yes dynamic_linker="$host_os dld.sl" shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec ;; *) shrext_cmds='.sl' dynamic_linker="$host_os dld.sl" shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' ;; esac # HP-UX runs *really* slowly unless shared libraries are mode 555, ... postinstall_cmds='chmod 555 $lib' # or fails outright, so override atomically: install_override_mode=555 ;; interix[[3-9]]*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; irix5* | irix6* | nonstopux*) case $host_os in nonstopux*) version_type=nonstopux ;; *) if test yes = "$lt_cv_prog_gnu_ld"; then version_type=linux # correct to gnu/linux during the next big refactor else version_type=irix fi ;; esac need_lib_prefix=no need_version=no soname_spec='$libname$release$shared_ext$major' library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' case $host_os in irix5* | nonstopux*) libsuff= shlibsuff= ;; *) case $LD in # libtool.m4 will add one of these switches to LD *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" hardcode_into_libs=yes ;; # No shared lib support for Linux oldld, aout, or coff. linux*oldld* | linux*aout* | linux*coff*) dynamic_linker=no ;; linux*android*) version_type=none # Android doesn't support versioned libraries. need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext' soname_spec='$libname$release$shared_ext' finish_cmds= shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes dynamic_linker='Android linker' # Don't embed -rpath directories since the linker doesn't support them. _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' ;; # This must be glibc/ELF. linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) version_type=linux # correct to gnu/linux during the next big refactor need_lib_prefix=no need_version=no library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' soname_spec='$libname$release$shared_ext$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # Some binutils ld are patched to set DT_RUNPATH AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], [lt_cv_shlibpath_overrides_runpath=no save_LDFLAGS=$LDFLAGS save_libdir=$libdir eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], [lt_cv_shlibpath_overrides_runpath=yes])]) LDFLAGS=$save_LDFLAGS libdir=$save_libdir ]) shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # Ideally, we could use ldconfig to report *all* directores which are # searched for libraries, however this is still not possible. 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then case $cc_basename in nvcc*) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; *) _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; esac _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], lt_cv_prog_compiler_rtti_exceptions, [-fno-rtti -fno-exceptions], [], [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) fi _LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], [Compiler flag to turn off builtin functions]) ])# _LT_COMPILER_NO_RTTI # _LT_CMD_GLOBAL_SYMBOLS # ---------------------- m4_defun([_LT_CMD_GLOBAL_SYMBOLS], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_AWK])dnl AC_REQUIRE([LT_PATH_NM])dnl AC_REQUIRE([LT_PATH_LD])dnl m4_require([_LT_DECL_SED])dnl m4_require([_LT_DECL_EGREP])dnl m4_require([_LT_TAG_COMPILER])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. symcode='[[BCDEGRST]]' # Regexp to match symbols that can be accessed directly from C. sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' # Define system-specific variables. case $host_os in aix*) symcode='[[BCDT]]' ;; cygwin* | msys* | mingw* | pw32* | cegcc*) symcode='[[ABCDGISTW]]' ;; hpux*) if test ia64 = "$host_cpu"; then symcode='[[ABCDEGRST]]' fi ;; irix* | nonstopux*) symcode='[[BCDEGRST]]' ;; osf*) symcode='[[BCDEGQRST]]' ;; solaris*) symcode='[[BDRT]]' ;; sco3.2v5*) symcode='[[DT]]' ;; sysv4.2uw2*) symcode='[[DT]]' ;; sysv5* | sco5v6* | unixware* | OpenUNIX*) symcode='[[ABDT]]' ;; sysv4) symcode='[[DFNSTU]]' ;; esac # If we're using GNU nm, then use its standard symbol codes. case `$NM -V 2>&1` in *GNU* | *'with BFD'*) symcode='[[ABCDGIRSTW]]' ;; esac if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Gets list of data symbols to import. lt_cv_sys_global_symbol_to_import="$SED -n -e 's/^I .* \(.*\)$/\1/p'" # Adjust the below global symbol transforms to fixup imported variables. lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" lt_c_name_lib_hook="\ -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" else # Disable hooks by default. lt_cv_sys_global_symbol_to_import= lt_cdecl_hook= lt_c_name_hook= lt_c_name_lib_hook= fi # Transform an extracted symbol line into a proper C declaration. # Some systems (esp. on ia64) link data and code symbols differently, # so use this general approach. lt_cv_sys_global_symbol_to_cdecl="$SED -n"\ $lt_cdecl_hook\ " -e 's/^T .* \(.*\)$/extern int \1();/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_sys_global_symbol_to_c_name_address="$SED -n"\ $lt_c_name_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" # Transform an extracted symbol line into symbol name with lib prefix and # symbol address. lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="$SED -n"\ $lt_c_name_lib_hook\ " -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ " -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ " -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" # Handle CRLF in mingw tool chain opt_cr= case $build_os in mingw*) opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # Try without a prefix underscore, then with it. for ac_symprfx in "" "_"; do # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. symxfrm="\\1 $ac_symprfx\\2 \\2" # Write the raw and C identifiers. if test "$lt_cv_nm_interface" = "MS dumpbin"; then # Fake it for dumpbin and say T for any non-static function, # D for any global variable and I for any imported variable. # Also find C++ and __fastcall symbols from MSVC++ or ICC, # which start with @ or ?. lt_cv_sys_global_symbol_pipe="$AWK ['"\ " {last_section=section; section=\$ 3};"\ " /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ " /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ " /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ " /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ " /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ " \$ 0!~/External *\|/{next};"\ " / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ " {if(hide[section]) next};"\ " {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ " {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ " s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ " s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ " ' prfx=^$ac_symprfx]" else lt_cv_sys_global_symbol_pipe="$SED -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" fi lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | $SED '/ __gnu_lto/d'" # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext <<_LT_EOF #ifdef __cplusplus extern "C" { #endif char nm_test_var; void nm_test_func(void); void nm_test_func(void){} #ifdef __cplusplus } #endif int main(){nm_test_var='a';nm_test_func();return(0);} _LT_EOF if AC_TRY_EVAL(ac_compile); then # Now try to grab the symbols. nlist=conftest.nm if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if $GREP ' nm_test_var$' "$nlist" >/dev/null; then if $GREP ' nm_test_func$' "$nlist" >/dev/null; then cat <<_LT_EOF > conftest.$ac_ext /* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ #if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE /* DATA imports from DLLs on WIN32 can't be const, because runtime relocations are performed -- see ld's documentation on pseudo-relocs. */ # define LT@&t@_DLSYM_CONST #elif defined __osf__ /* This system does not cope well with relocations in const data. */ # define LT@&t@_DLSYM_CONST #else # define LT@&t@_DLSYM_CONST const #endif #ifdef __cplusplus extern "C" { #endif _LT_EOF # Now generate the symbol file. eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' cat <<_LT_EOF >> conftest.$ac_ext /* The mapping between symbol names and symbols. */ LT@&t@_DLSYM_CONST struct { const char *name; void *address; } lt__PROGRAM__LTX_preloaded_symbols[[]] = { { "@PROGRAM@", (void *) 0 }, _LT_EOF $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext cat <<\_LT_EOF >> conftest.$ac_ext {0, (void *) 0} }; /* This works around a problem in FreeBSD linker */ #ifdef FREEBSD_WORKAROUND static const void *lt_preloaded_setup() { return lt__PROGRAM__LTX_preloaded_symbols; } #endif #ifdef __cplusplus } #endif _LT_EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext lt_globsym_save_LIBS=$LIBS lt_globsym_save_CFLAGS=$CFLAGS LIBS=conftstm.$ac_objext CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then pipe_works=yes fi LIBS=$lt_globsym_save_LIBS CFLAGS=$lt_globsym_save_CFLAGS else echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD fi else echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD cat conftest.$ac_ext >&5 fi rm -rf conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test yes = "$pipe_works"; then break else lt_cv_sys_global_symbol_pipe= fi done ]) if test -z "$lt_cv_sys_global_symbol_pipe"; then lt_cv_sys_global_symbol_to_cdecl= fi if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi # Response file support. if test "$lt_cv_nm_interface" = "MS dumpbin"; then nm_file_list_spec='@' elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then nm_file_list_spec='@' fi _LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], [Take the output of nm and produce a listing of raw symbols and C names]) _LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], [Transform the output of nm in a proper C declaration]) _LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], [Transform the output of nm into a list of symbols to manually relocate]) _LT_DECL([global_symbol_to_c_name_address], [lt_cv_sys_global_symbol_to_c_name_address], [1], [Transform the output of nm in a C name address pair]) _LT_DECL([global_symbol_to_c_name_address_lib_prefix], [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], [Transform the output of nm in a C name address pair when lib prefix is needed]) _LT_DECL([nm_interface], [lt_cv_nm_interface], [1], [The name lister interface]) _LT_DECL([], [nm_file_list_spec], [1], [Specify filename containing input files for $NM]) ]) # _LT_CMD_GLOBAL_SYMBOLS # _LT_COMPILER_PIC([TAGNAME]) # --------------------------- m4_defun([_LT_COMPILER_PIC], [m4_require([_LT_TAG_COMPILER])dnl _LT_TAGVAR(lt_prog_compiler_wl, $1)= _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)= m4_if([$1], [CXX], [ # C++ specific cases for pic, static, wl, etc. if test yes = "$GXX"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | msys* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; *djgpp*) # DJGPP does not support shared libraries at all _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac else case $host_os in aix[[4-9]]*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; chorus*) case $cc_basename in cxch68*) # Green Hills C++ Compiler # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" ;; esac ;; mingw* | cygwin* | msys* | os2* | pw32* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) ;; dgux*) case $cc_basename in ec++*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; ghcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; freebsd* | dragonfly* | midnightbsd*) # FreeBSD uses GNU C++ ;; hpux9* | hpux10* | hpux11*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' if test ia64 != "$host_cpu"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' fi ;; aCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac ;; *) ;; esac ;; interix*) # This is c89, which is MS Visual C++ (no shared libs) # Anyone wants to do a port? ;; irix5* | irix6* | nonstopux*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' # CC pic flag -KPIC is the default. ;; *) ;; esac ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in KCC*) # KAI C++ Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; ecpc* ) # old Intel C++ for x86_64, which still supported -KPIC. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; icpc* ) # Intel C++, used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgCC* | pgcpp*) # Portland Group C++ compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; cxx*) # Compaq C++ # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL 8.0, 9.0 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ C*) # Sun C++ 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; esac ;; esac ;; lynxos*) ;; m88k*) ;; mvs*) case $cc_basename in cxx*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' ;; *) ;; esac ;; netbsd*) ;; *qnx* | *nto*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; osf3* | osf4* | osf5*) case $cc_basename in KCC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' ;; RCC*) # Rational C++ 2.4.1 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; cxx*) # Digital/Compaq C++ _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # Make sure the PIC flag is empty. It appears that all Alpha # Linux and Compaq Tru64 Unix objects are PIC. _LT_TAGVAR(lt_prog_compiler_pic, $1)= _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; *) ;; esac ;; psos*) ;; solaris*) case $cc_basename in CC* | sunCC*) # Sun C++ 4.2, 5.x and Centerline C++ _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; gcx*) # Green Hills C++ Compiler _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' ;; *) ;; esac ;; sunos4*) case $cc_basename in CC*) # Sun C++ 4.x _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; lcc*) # Lucid _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' ;; *) ;; esac ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) case $cc_basename in CC*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; tandem*) case $cc_basename in NCC*) # NonStop-UX NCC 3.20 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' ;; *) ;; esac ;; vxworks*) ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ], [ if test yes = "$GCC"; then _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' case $host_os in aix*) # All AIX code is PIC. if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; m68k) # FIXME: we need at least 68020 code to build shared libraries, but # adding the '-m68020' flag to GCC prevents building anything better, # like '-m68040'. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' ;; esac ;; beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; mingw* | cygwin* | msys* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). # Although the cygwin gcc ignores -fPIC, still need this for old-style # (--disable-auto-import) libraries m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' ;; haiku*) # PIC is the default for Haiku. # The "-static" flag exists, but is broken. _LT_TAGVAR(lt_prog_compiler_static, $1)= ;; hpux*) # PIC is the default for 64-bit PA HP-UX, but not for 32-bit # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag # sets the default TLS model and affects inlining. case $host_cpu in hppa*64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac ;; interix[[3-9]]*) # Interix 3.x gcc -fpic/-fPIC options generate broken code. # Instead, we relocate shared libraries at runtime. ;; msdosdjgpp*) # Just because we use GCC doesn't mean we suddenly get shared libraries # on systems that don't support them. _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no enable_shared=no ;; *nto* | *qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic fi ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' ;; esac case $cc_basename in nvcc*) # Cuda Compiler Driver 2.2 _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" fi ;; esac else # PORTME Check for flag to pass linker flags through the system compiler. case $host_os in aix*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' if test ia64 = "$host_cpu"; then # AIX 5 now supports IA64 processor _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' else _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' fi ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' case $cc_basename in nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; mingw* | cygwin* | msys* | pw32* | os2* | cegcc*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). m4_if([$1], [GCJ], [], [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) case $host_os in os2*) _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' ;; esac ;; hpux9* | hpux10* | hpux11*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but # not for PA HP-UX. case $host_cpu in hppa*64*|ia64*) # +Z the default ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' ;; esac # Is there a better lt_prog_compiler_static that works with the bundled CC? _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' ;; irix5* | irix6* | nonstopux*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # PIC (with -KPIC) is the default. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) case $cc_basename in # old Intel for x86_64, which still supported -KPIC. ecc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # icc used to be incompatible with GCC. # ICC 10 doesn't accept -KPIC any more. icc* | ifort*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; # Lahey Fortran 8.1. lf95*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' ;; nagfor*) # NAG Fortran compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; tcc*) # Fabrice Bellard et al's Tiny C Compiler _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) # Portland Group compilers (*not* the Pentium gcc compiler, # which looks to be a dead project) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; ccc*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' # All Alpha code is PIC. _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' ;; xl* | bgxl* | bgf* | mpixl*) # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' ;; *) case `$CC -V 2>&1 | $SED 5q` in *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) # Sun Fortran 8.3 passes all unrecognized flags to the linker _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='' ;; *Sun\ F* | *Sun*Fortran*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' ;; *Sun\ C*) # Sun C 5.9 _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' ;; *Intel*\ [[CF]]*Compiler*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' ;; *Portland\ Group*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; esac ;; esac ;; newsos6) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; 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then _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' fi ;; sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; unicos*) _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; uts4*) _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' ;; *) _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no ;; esac fi ]) case $host_os in # For platforms that do not support PIC, -DPIC is meaningless: *djgpp*) _LT_TAGVAR(lt_prog_compiler_pic, $1)= ;; *) _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" ;; esac AC_CACHE_CHECK([for $compiler option to produce PIC], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) _LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) # # Check to make sure the PIC flag actually works. # if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; 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$soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' else # used by -dlpreopen to get the symbols _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' fi _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' fi fi ;; amigaos*) case $host_cpu in powerpc) # see comment about AmigaOS4 .so support _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='' ;; m68k) _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes ;; esac ;; bsdi[[45]]*) _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic ;; cygwin* | msys* | mingw* | pw32* | cegcc*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++ or Intel C++ Compiler. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. case $cc_basename in cl* | icl*) # Native MSVC or ICC _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' _LT_TAGVAR(allow_undefined_flag, $1)=unsupported _LT_TAGVAR(always_export_symbols, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then cp "$export_symbols" "$output_objdir/$soname.def"; echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; else $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; fi~ $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ linknames=' # The linker will not automatically build a static lib if we build a DLL. # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' # Don't use ranlib _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ lt_tool_outputfile="@TOOL_OUTPUT@"~ case $lt_outputfile in *.exe|*.EXE) ;; *) lt_outputfile=$lt_outputfile.exe lt_tool_outputfile=$lt_tool_outputfile.exe ;; esac~ if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; $RM "$lt_outputfile.manifest"; fi' ;; *) # Assume MSVC and ICC wrapper _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' _LT_TAGVAR(allow_undefined_flag, $1)=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=.dll # FIXME: Setting linknames here is a bad hack. _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' # FIXME: Should let the user specify the lib program. _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes ;; esac ;; darwin* | rhapsody*) _LT_DARWIN_LINKER_FEATURES($1) ;; dgux*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. Future versions do this automatically, but an explicit c++rt0.o # does not break anything, and helps significantly (at the cost of a little # extra space). freebsd2.2*) _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; # Unfortunately, older versions of FreeBSD 2 do not have this feature. freebsd2.*) _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; # FreeBSD 3 and greater uses gcc -shared to do shared libraries. freebsd* | dragonfly* | midnightbsd*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; hpux9*) if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' else _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(hardcode_direct, $1)=yes # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' ;; hpux10*) if test yes,no = "$GCC,$with_gnu_ld"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' fi if test no = "$with_gnu_ld"; then _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_direct_absolute, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. _LT_TAGVAR(hardcode_minus_L, $1)=yes fi ;; hpux11*) if test yes,no = "$GCC,$with_gnu_ld"; then case $host_cpu in hppa*64*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; esac else case $host_cpu in hppa*64*) _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' ;; ia64*) _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' ;; *) m4_if($1, [], [ # Older versions of the 11.00 compiler do not understand -b yet # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) _LT_LINKER_OPTION([if $CC understands -b], _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) ;; esac fi if test no = "$with_gnu_ld"; then _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: case $host_cpu in hppa*64*|ia64*) _LT_TAGVAR(hardcode_direct, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_direct_absolute, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' # hardcode_minus_L: Not really in the search PATH, # but as the default location of the library. _LT_TAGVAR(hardcode_minus_L, $1)=yes ;; esac fi ;; irix5* | irix6* | nonstopux*) if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' # Try to use the -exported_symbol ld option, if it does not # work, assume that -exports_file does not work either and # implicitly export all symbols. # This should be the same for all languages, so no per-tag cache variable. 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then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' else _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' fi else _LT_TAGVAR(ld_shlibs, $1)=no fi ;; os2*) _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(allow_undefined_flag, $1)=unsupported shrext_cmds=.dll _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ $ECHO EXPORTS >> $output_objdir/$libname.def~ prefix_cmds="$SED"~ if test EXPORTS = "`$SED 1q $export_symbols`"; then prefix_cmds="$prefix_cmds -e 1d"; fi~ prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ emximp -o $lib $output_objdir/$libname.def' _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes _LT_TAGVAR(file_list_spec, $1)='@' ;; osf3*) if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test yes = "$GCC"; then _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' else _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' # Both c and cxx compiler support -rpath directly _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' fi _LT_TAGVAR(archive_cmds_need_lc, $1)='no' _LT_TAGVAR(hardcode_libdir_separator, $1)=: ;; solaris*) _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' if test yes = "$GCC"; then wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' else case `$CC -V 2>&1` in *"Compilers 5.0"*) wlarc='' _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' ;; *) wlarc='$wl' _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' ;; esac fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no case $host_os in solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; *) # The compiler driver will combine and reorder linker options, # but understands '-z linker_flag'. GCC discards it without '$wl', # but is careful enough not to reorder. # Supported since Solaris 2.6 (maybe 2.5.1?) if test yes = "$GCC"; then _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' else _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' fi ;; esac _LT_TAGVAR(link_all_deplibs, $1)=yes ;; sunos4*) if test sequent = "$host_vendor"; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_direct, $1)=yes _LT_TAGVAR(hardcode_minus_L, $1)=yes _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4) case $host_vendor in sni) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? ;; siemens) ## LD is ld it makes a PLAMLIB ## CC just makes a GrossModule. _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' _LT_TAGVAR(hardcode_direct, $1)=no ;; motorola) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie ;; esac runpath_var='LD_RUN_PATH' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; sysv4.3*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' ;; sysv4*MP*) if test -d /usr/nec; then _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes _LT_TAGVAR(ld_shlibs, $1)=yes fi ;; sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; sysv5* | sco3.2v5* | sco5v6*) # Note: We CANNOT use -z defs as we might desire, because we do not # link with -lc, and that would cause any symbols used from libc to # always be unresolved, which means just about no library would # ever link correctly. If we're not using GNU ld we use -z text # though, which does catch some bad symbols but isn't as heavy-handed # as -z defs. _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' _LT_TAGVAR(archive_cmds_need_lc, $1)=no _LT_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' _LT_TAGVAR(hardcode_libdir_separator, $1)=':' _LT_TAGVAR(link_all_deplibs, $1)=yes _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' runpath_var='LD_RUN_PATH' if test yes = "$GCC"; then _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' else _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' fi ;; uts4*) _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_TAGVAR(ld_shlibs, $1)=no ;; esac if test sni = "$host_vendor"; then case $host in sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' ;; esac fi fi ]) AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no _LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld _LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl _LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl _LT_DECL([], [extract_expsyms_cmds], [2], [The commands to extract the exported symbol list from a shared archive]) # # Do we need to explicitly link libc? # case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in x|xyes) # Assume -lc should be added _LT_TAGVAR(archive_cmds_need_lc, $1)=yes if test yes,yes = "$GCC,$enable_shared"; then case $_LT_TAGVAR(archive_cmds, $1) in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 8 ltoptions.m4 # This is to help aclocal find these macros, as it can't see m4_define. AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) # ------------------------------------------ m4_define([_LT_MANGLE_OPTION], [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) # --------------------------------------- # Set option OPTION-NAME for macro MACRO-NAME, and if there is a # matching handler defined, dispatch to it. Other OPTION-NAMEs are # saved as a flag. m4_define([_LT_SET_OPTION], [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), _LT_MANGLE_DEFUN([$1], [$2]), [m4_warning([Unknown $1 option '$2'])])[]dnl ]) # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) # ------------------------------------------------------------ # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. m4_define([_LT_IF_OPTION], [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) # ------------------------------------------------------- # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME # are set. m4_define([_LT_UNLESS_OPTIONS], [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), [m4_define([$0_found])])])[]dnl m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 ])[]dnl ]) # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) # ---------------------------------------- # OPTION-LIST is a space-separated list of Libtool options associated # with MACRO-NAME. If any OPTION has a matching handler declared with # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about # the unknown option and exit. m4_defun([_LT_SET_OPTIONS], [# Set options m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), [_LT_SET_OPTION([$1], _LT_Option)]) m4_if([$1],[LT_INIT],[ dnl dnl Simply set some default values (i.e off) if boolean options were not dnl specified: _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no ]) _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no ]) dnl dnl If no reference was made to various pairs of opposing options, then dnl we run the default mode handler for the pair. For example, if neither dnl 'shared' nor 'disable-shared' was passed, we enable building of shared dnl archives by default: _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], [_LT_ENABLE_FAST_INSTALL]) _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], [_LT_WITH_AIX_SONAME([aix])]) ]) ])# _LT_SET_OPTIONS ## --------------------------------- ## ## Macros to handle LT_INIT options. ## ## --------------------------------- ## # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) # ----------------------------------------- m4_define([_LT_MANGLE_DEFUN], [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) # ----------------------------------------------- m4_define([LT_OPTION_DEFINE], [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl ])# LT_OPTION_DEFINE # dlopen # ------ LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes ]) AU_DEFUN([AC_LIBTOOL_DLOPEN], [_LT_SET_OPTION([LT_INIT], [dlopen]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'dlopen' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) # win32-dll # --------- # Declare package support for building win32 dll's. LT_OPTION_DEFINE([LT_INIT], [win32-dll], [enable_win32_dll=yes case $host in *-*-cygwin* | *-*-msys* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) ;; esac test -z "$AS" && AS=as _LT_DECL([], [AS], [1], [Assembler program])dnl test -z "$DLLTOOL" && DLLTOOL=dlltool _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl test -z "$OBJDUMP" && OBJDUMP=objdump _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl ])# win32-dll AU_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_REQUIRE([AC_CANONICAL_HOST])dnl _LT_SET_OPTION([LT_INIT], [win32-dll]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'win32-dll' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) # _LT_ENABLE_SHARED([DEFAULT]) # ---------------------------- # implement the --enable-shared flag, and supports the 'shared' and # 'disable-shared' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_SHARED], [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS=$lt_save_ifs ;; esac], [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) _LT_DECL([build_libtool_libs], [enable_shared], [0], [Whether or not to build shared libraries]) ])# _LT_ENABLE_SHARED LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) # Old names: AC_DEFUN([AC_ENABLE_SHARED], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) ]) AC_DEFUN([AC_DISABLE_SHARED], [_LT_SET_OPTION([LT_INIT], [disable-shared]) ]) AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_SHARED], []) dnl AC_DEFUN([AM_DISABLE_SHARED], []) # _LT_ENABLE_STATIC([DEFAULT]) # ---------------------------- # implement the --enable-static flag, and support the 'static' and # 'disable-static' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_STATIC], [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS=$lt_save_ifs ;; esac], [enable_static=]_LT_ENABLE_STATIC_DEFAULT) _LT_DECL([build_old_libs], [enable_static], [0], [Whether or not to build static libraries]) ])# _LT_ENABLE_STATIC LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) # Old names: AC_DEFUN([AC_ENABLE_STATIC], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) ]) AC_DEFUN([AC_DISABLE_STATIC], [_LT_SET_OPTION([LT_INIT], [disable-static]) ]) AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AM_ENABLE_STATIC], []) dnl AC_DEFUN([AM_DISABLE_STATIC], []) # _LT_ENABLE_FAST_INSTALL([DEFAULT]) # ---------------------------------- # implement the --enable-fast-install flag, and support the 'fast-install' # and 'disable-fast-install' LT_INIT options. # DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. m4_define([_LT_ENABLE_FAST_INSTALL], [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl AC_ARG_ENABLE([fast-install], [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], [p=${PACKAGE-default} case $enableval in yes) enable_fast_install=yes ;; no) enable_fast_install=no ;; *) enable_fast_install=no # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for pkg in $enableval; do IFS=$lt_save_ifs if test "X$pkg" = "X$p"; then enable_fast_install=yes fi done IFS=$lt_save_ifs ;; esac], [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) _LT_DECL([fast_install], [enable_fast_install], [0], [Whether or not to optimize for fast installation])dnl ])# _LT_ENABLE_FAST_INSTALL LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) # Old names: AU_DEFUN([AC_ENABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'fast-install' option into LT_INIT's first parameter.]) ]) AU_DEFUN([AC_DISABLE_FAST_INSTALL], [_LT_SET_OPTION([LT_INIT], [disable-fast-install]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'disable-fast-install' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) # _LT_WITH_AIX_SONAME([DEFAULT]) # ---------------------------------- # implement the --with-aix-soname flag, and support the `aix-soname=aix' # and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT # is either `aix', `both' or `svr4'. 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If omitted, it defaults to 'both'. m4_define([_LT_WITH_PIC], [AC_ARG_WITH([pic], [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], [lt_p=${PACKAGE-default} case $withval in yes|no) pic_mode=$withval ;; *) pic_mode=default # Look at the argument we got. We use all the common list separators. lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, for lt_pkg in $withval; do IFS=$lt_save_ifs if test "X$lt_pkg" = "X$lt_p"; then pic_mode=yes fi done IFS=$lt_save_ifs ;; esac], [pic_mode=m4_default([$1], [default])]) _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl ])# _LT_WITH_PIC LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) # Old name: AU_DEFUN([AC_LIBTOOL_PICMODE], [_LT_SET_OPTION([LT_INIT], [pic-only]) AC_DIAGNOSE([obsolete], [$0: Remove this warning and the call to _LT_SET_OPTION when you put the 'pic-only' option into LT_INIT's first parameter.]) ]) dnl aclocal-1.4 backwards compatibility: dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) ## ----------------- ## ## LTDL_INIT Options ## ## ----------------- ## m4_define([_LTDL_MODE], []) LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], [m4_define([_LTDL_MODE], [nonrecursive])]) LT_OPTION_DEFINE([LTDL_INIT], [recursive], [m4_define([_LTDL_MODE], [recursive])]) LT_OPTION_DEFINE([LTDL_INIT], [subproject], [m4_define([_LTDL_MODE], [subproject])]) m4_define([_LTDL_TYPE], []) LT_OPTION_DEFINE([LTDL_INIT], [installable], [m4_define([_LTDL_TYPE], [installable])]) LT_OPTION_DEFINE([LTDL_INIT], [convenience], [m4_define([_LTDL_TYPE], [convenience])]) libass-0.17.1/m4/ltsugar.m40000644060175106017510000001045314376701455012276 00000000000000# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- # # Copyright (C) 2004-2005, 2007-2008, 2011-2019, 2021-2022 Free Software # Foundation, Inc. # Written by Gary V. Vaughan, 2004 # # This file is free software; the Free Software Foundation gives # unlimited permission to copy and/or distribute it, with or without # modifications, as long as this notice is preserved. # serial 6 ltsugar.m4 # This is to help aclocal find these macros, as it can't see m4_define. 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You may also peek at any GNU archive site, in" echo "case some other package contains this missing '$1' program." ;; esac } give_advice "$1" | sed -e '1s/^/WARNING: /' \ -e '2,$s/^/ /' >&2 # Propagate the correct exit status (expected to be 127 for a program # not found, 63 for a program that failed due to version mismatch). exit $st # Local variables: # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: libass-0.17.1/profile/0000755060175106017510000000000014376701522011543 500000000000000libass-0.17.1/profile/profile.c0000644060175106017510000000550314371314501013262 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2009 Grigori Goronzy * Copyright (C) 2013 rcombs * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "../libass/ass.h" typedef struct image_s { int width, height, stride; unsigned char *buffer; // RGB24 } image_t; ASS_Library *ass_library; ASS_Renderer *ass_renderer; void msg_callback(int level, const char *fmt, va_list va, void *data) { if (level > 6) return; printf("libass: "); vprintf(fmt, va); printf("\n"); } static void init(int frame_w, int frame_h) { ass_library = ass_library_init(); if (!ass_library) { printf("ass_library_init failed!\n"); exit(1); } ass_set_message_cb(ass_library, msg_callback, NULL); ass_set_extract_fonts(ass_library, 1); ass_renderer = ass_renderer_init(ass_library); if (!ass_renderer) { printf("ass_renderer_init failed!\n"); exit(1); } ass_set_storage_size(ass_renderer, frame_w, frame_h); ass_set_frame_size(ass_renderer, frame_w, frame_h); ass_set_fonts(ass_renderer, NULL, "Sans", 1, NULL, 1); } int main(int argc, char *argv[]) { const int frame_w = 1280; const int frame_h = 720; if (argc < 5) { printf("usage: %s \n", argv[0] ? argv[0] : "profile"); exit(1); } char *subfile = argv[1]; double tm = strtod(argv[2], 0); double fps = strtod(argv[3], 0); double end_time = strtod(argv[4], 0); if (fps == 0) { printf("fps cannot equal 0\n"); exit(1); } init(frame_w, frame_h); ASS_Track *track = ass_read_file(ass_library, subfile, NULL); if (!track) { printf("track init failed!\n"); exit(1); } while (tm < end_time) { ass_render_frame(ass_renderer, track, (int) (tm * 1000), NULL); tm += 1 / fps; } ass_free_track(track); ass_renderer_done(ass_renderer); ass_library_done(ass_library); return 0; } libass-0.17.1/README.md0000644060175106017510000000724414376665510011317 00000000000000[![Build status](https://github.com/libass/libass/actions/workflows/ghci.yml/badge.svg?branch=master&event=push)](https://github.com/libass/libass/actions/workflows/ghci.yml?query=branch%3Amaster+event%3Apush) [![Coverity scan build status](https://scan.coverity.com/projects/3531/badge.svg)](https://scan.coverity.com/projects/3531) libass ====== libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format. It is mostly compatible with VSFilter. Get it ====== See [GitHub releases](https://github.com/libass/libass/releases) for the latest release 0.17.1 (released 2023-02-26). See the [changelog](https://github.com/libass/libass/blob/master/Changelog) for a detailed list of changes. Source code is available from our [GitHub repository](https://github.com/libass/libass). Contact ======= Please use the [issue tracker](https://github.com/libass/libass/issues?state=open) to report bugs or feature requests. We have an IRC channel, too. Talk to us on [irc.libera.chat/#libass](https://web.libera.chat/#libass). Note that we cannot be online all the time and we cannot answer IRC questions if you leave the channel. Even if you do not get an immediate response, keep your IRC client open, and we will eventually get back to you. Related Links ============= The following projects/companies use libass: - [MPlayer](http://www.mplayerhq.hu/) - [mplayer2](http://www.mplayer2.org/) - [mpv](http://mpv.io/) - [VLC](http://www.videolan.org/) - [GStreamer](http://gstreamer.freedesktop.org/) (assrender plugin) - [FFmpeg](http://ffmpeg.org/) - [Libav](http://libav.org/) (unmaintained) - [Aegisub](http://www.aegisub.org/) - [Kodi (XBMC)](http://kodi.tv/) - [avidemux](http://fixounet.free.fr/avidemux/) - [PunkGraphicsStream (BD subtitle encoder)](http://code.google.com/p/punkgraphicstream/) - [HandBrake](http://handbrake.fr/) - [MX Player](https://play.google.com/store/apps/details?id=com.mxtech.videoplayer.ad) - [QMPlay2](http://zaps166.sourceforge.net/?app=QMPlay2) - [SubtitlesOctopus](https://github.com/libass/JavascriptSubtitlesOctopus) (JavaScript ASS via wasm libass) - [Crunchyroll](http://www.crunchyroll.com/) uses SubtitlesOctopus - [AssRender for Avisynth(+)](http://avisynth.nl/index.php/AssRender) Information about the ASS format: ================================= - [ASS format overview (incomplete and partially incorrect)](http://moodub.free.fr/video/ass-specs.doc) - [ASS override tags (Aegisub manual)](http://docs.aegisub.org/latest/ASS_Tags/) - [VSFilter source code (Guliverkli2)](http://sourceforge.net/p/guliverkli2/code/HEAD/tree/src/subtitles/) Other ASS/SSA implementations: ============================== - VSFilter: - [xy-VSFilter/XySubFilter](https://github.com/Cyberbeing/xy-VSFilter/) - [pfmod](https://github.com/pinterf/xy-VSFilter/) - VSFilter in [MPC-HC](https://github.com/clsid2/mpc-hc/tree/develop/src/filters/transform/VSFilter/) - [VSFilterMod](https://code.google.com/archive/p/vsfiltermod/) (with custom format extensions) - [sorayuki fork](https://github.com/sorayuki/VSFilterMod/) with some bugfixes - [Threaded VSFilter](https://code.google.com/p/threaded-vsfilter/) (defunct) - VSFilter in [Guliverkli2](http://sourceforge.net/projects/guliverkli2/) (defunct, subsumed by all of the above) - VSFilter in [guliverkli](http://sourceforge.net/projects/guliverkli/) (defunct, forked as Guliverkli2) - [ffdshow](http://ffdshow-tryout.sourceforge.net/) (defunct) - [Perian](https://github.com/MaddTheSane/perian) (defunct) - [asa](https://web.archive.org/web/20110906033709/http://asa.diac24.net/) (defunct) - [libjass](https://github.com/Arnavion/libjass) (defunct) - [ASS.js](https://github.com/weizhenye/ASS) libass-0.17.1/test/0000755060175106017510000000000014376701522011062 500000000000000libass-0.17.1/test/test.c0000644060175106017510000001525314371314501012123 00000000000000/* * Copyright (C) 2006 Evgeniy Stepanov * Copyright (C) 2009 Grigori Goronzy * * This file is part of libass. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "../libass/ass.h" #include typedef struct image_s { int width, height, stride; unsigned char *buffer; // RGB24 } image_t; ASS_Library *ass_library; ASS_Renderer *ass_renderer; void msg_callback(int level, const char *fmt, va_list va, void *data) { if (level > 6) return; printf("libass: "); vprintf(fmt, va); printf("\n"); } static void write_png(char *fname, image_t *img) { FILE *fp; png_structp png_ptr; png_infop info_ptr; png_byte **row_pointers; int k; png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); info_ptr = png_create_info_struct(png_ptr); fp = NULL; if (setjmp(png_jmpbuf(png_ptr))) { png_destroy_write_struct(&png_ptr, &info_ptr); fclose(fp); return; } fp = fopen(fname, "wb"); if (fp == NULL) { printf("PNG Error opening %s for writing!\n", fname); return; } png_init_io(png_ptr, fp); png_set_compression_level(png_ptr, 0); png_set_IHDR(png_ptr, info_ptr, img->width, img->height, 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); png_write_info(png_ptr, info_ptr); png_set_bgr(png_ptr); row_pointers = malloc(img->height * sizeof(png_byte *)); for (k = 0; k < img->height; k++) row_pointers[k] = img->buffer + img->stride * k; png_write_image(png_ptr, row_pointers); png_write_end(png_ptr, info_ptr); png_destroy_write_struct(&png_ptr, &info_ptr); free(row_pointers); fclose(fp); } static void init(int frame_w, int frame_h) { ass_library = ass_library_init(); if (!ass_library) { printf("ass_library_init failed!\n"); exit(1); } ass_set_message_cb(ass_library, msg_callback, NULL); ass_set_extract_fonts(ass_library, 1); ass_renderer = ass_renderer_init(ass_library); if (!ass_renderer) { printf("ass_renderer_init failed!\n"); exit(1); } ass_set_storage_size(ass_renderer, frame_w, frame_h); ass_set_frame_size(ass_renderer, frame_w, frame_h); ass_set_fonts(ass_renderer, NULL, "sans-serif", ASS_FONTPROVIDER_AUTODETECT, NULL, 1); } static image_t *gen_image(int width, int height) { image_t *img = malloc(sizeof(image_t)); img->width = width; img->height = height; img->stride = width * 3; img->buffer = calloc(1, height * width * 3); memset(img->buffer, 63, img->stride * img->height); //for (int i = 0; i < height * width * 3; ++i) // img->buffer[i] = (i/3/50) % 100; return img; } #define _r(c) ((c)>>24) #define _g(c) (((c)>>16)&0xFF) #define _b(c) (((c)>>8)&0xFF) #define _a(c) ((c)&0xFF) static void blend_single(image_t * frame, ASS_Image *img) { int x, y; unsigned char opacity = 255 - _a(img->color); unsigned char r = _r(img->color); unsigned char g = _g(img->color); unsigned char b = _b(img->color); unsigned char *src; unsigned char *dst; src = img->bitmap; dst = frame->buffer + img->dst_y * frame->stride + img->dst_x * 3; for (y = 0; y < img->h; ++y) { for (x = 0; x < img->w; ++x) { unsigned k = ((unsigned) src[x]) * opacity / 255; // possible endianness problems dst[x * 3] = (k * b + (255 - k) * dst[x * 3]) / 255; dst[x * 3 + 1] = (k * g + (255 - k) * dst[x * 3 + 1]) / 255; dst[x * 3 + 2] = (k * r + (255 - k) * dst[x * 3 + 2]) / 255; } src += img->stride; dst += frame->stride; } } static void blend(image_t * frame, ASS_Image *img) { int cnt = 0; while (img) { blend_single(frame, img); ++cnt; img = img->next; } printf("%d images blended\n", cnt); } char *font_provider_labels[] = { [ASS_FONTPROVIDER_NONE] = "None", [ASS_FONTPROVIDER_AUTODETECT] = "Autodetect", [ASS_FONTPROVIDER_CORETEXT] = "CoreText", [ASS_FONTPROVIDER_FONTCONFIG] = "Fontconfig", [ASS_FONTPROVIDER_DIRECTWRITE]= "DirectWrite", }; static void print_font_providers(ASS_Library *ass_library) { int i; ASS_DefaultFontProvider *providers; size_t providers_size = 0; ass_get_available_font_providers(ass_library, &providers, &providers_size); printf("test.c: Available font providers (%zu): ", providers_size); for (i = 0; i < providers_size; i++) { const char *separator = i > 0 ? ", ": ""; printf("%s'%s'", separator, font_provider_labels[providers[i]]); } printf(".\n"); free(providers); } int main(int argc, char *argv[]) { int frame_w = 1280; int frame_h = 720; if (argc != 4 && argc != 6) { printf("usage: %s