libreplaygain_r475/ 40777 0 0 0 11620563340 7500 5libreplaygain_r475/CMakeLists.txt100777 0 0 323 10601717240 12314 0CMAKE_MINIMUM_REQUIRED(VERSION 2.4) project(libreplaygain C) set(CMAKE_VERBOSE_MAKEFILE false) if(NOT MSVC) set(CMAKE_C_FLAGS "-O3 -fomit-frame-pointer -pipe") endif(NOT MSVC) add_subdirectory(src)libreplaygain_r475/configure.in100777 0 0 322 10576622004 12070 0AC_INIT(configure.in) AC_CONFIG_AUX_DIR(config) AM_CONFIG_HEADER(include/config.h) AM_INIT_AUTOMAKE(libreplaygain, 1.0) AC_LANG_C AC_PROG_CC AM_PROG_LIBTOOL AC_OUTPUT(Makefile src/Makefile include/Makefile) libreplaygain_r475/include/ 40777 0 0 0 11620563341 11124 5libreplaygain_r475/include/Makefile.am100777 0 0 120 10576622004 13232 0AUTOMAKE_OPTIONS = foreign nobase_include_HEADERS = replaygain/gain_analysis.h libreplaygain_r475/include/replaygain/ 40777 0 0 0 11620563344 13262 5libreplaygain_r475/include/replaygain/gain_analysis.h100777 0 0 6653 11103132606 16353 0/* * ReplayGainAnalysis - analyzes input samples and give the recommended dB change * Copyright (C) 2001 David Robinson and Glen Sawyer * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * concept and filter values by David Robinson (David@Robinson.org) * -- blame him if you think the idea is flawed * coding by Glen Sawyer (mp3gain@hotmail.com) 735 W 255 N, Orem, UT 84057-4505 USA * -- blame him if you think this runs too slowly, or the coding is otherwise flawed * * For an explanation of the concepts and the basic algorithms involved, go to: * http://www.replaygain.org/ */ /** * Pseudo-code to process an album: * * Float_t l_samples [4096]; * Float_t r_samples [4096]; * size_t num_samples; * unsigned int num_songs; * unsigned int i; * * gain_init_analysis ( 44100 ); * for ( i = 1; i <= num_songs; i++ ) { * while ( ( num_samples = getSongSamples ( song[i], left_samples, right_samples ) ) > 0 ) * gain_analyze_samples ( left_samples, right_samples, num_samples, 2 ); * fprintf ("Recommended dB change for song %2d: %+6.2f dB\n", i, gain_get_title() ); * } * fprintf ("Recommended dB change for whole album: %+6.2f dB\n", gain_get_album() ); */ #ifndef GAIN_ANALYSIS_H #define GAIN_ANALYSIS_H #include #define GAIN_NOT_ENOUGH_SAMPLES -24601 #define GAIN_ANALYSIS_ERROR 0 #define GAIN_ANALYSIS_OK 1 #define INIT_GAIN_ANALYSIS_ERROR 0 #define INIT_GAIN_ANALYSIS_OK 1 #ifdef __cplusplus extern "C" { #endif typedef double Float_t; // Type used for filtering /// Here's the deal : Call int gain_init_analysis ( long samplefreq ); /// to initialize everything. Call int gain_analyze_samples ( const Float_t* left_samples, const Float_t* right_samples, size_t num_samples, int num_channels ); /// as many times as you want, with as many or as few samples as you want. /// If mono, pass the sample buffer in through left_samples, leave /// right_samples NULL, and make sure num_channels = 1. Float_t gain_get_chapter ( void ); /// will return the recommended dB level change for all samples analyzed /// SINCE THE LAST TIME you called gain_get_chapter() OR gain_init_analysis() OR gain_get_title. Float_t gain_get_title ( void ); /// will return the recommended dB level change for all samples analyzed /// SINCE THE LAST TIME you called gain_get_title() OR gain_init_analysis(). Float_t gain_get_album ( void ); /// will return the recommended dB level change for all samples analyzed /// since gain_init_analysis() was called and finalized with gain_get_title(). #ifdef __cplusplus } #endif #endif /* GAIN_ANALYSIS_H */ libreplaygain_r475/libreplaygain.vcproj100777 0 0 7072 10674264607 13671 0 libreplaygain_r475/Makefile.am100777 0 0 62 10576622004 11574 0AUTOMAKE_OPTIONS = foreign SUBDIRS = src include libreplaygain_r475/Makefile.cvs100777 0 0 44 10576622004 11772 0default: all all: autoreconf -vif libreplaygain_r475/src/ 40777 0 0 0 11620563350 10270 5libreplaygain_r475/src/CMakeLists.txt100777 0 0 1003 11234556655 13135 0include_directories(${libreplaygain_SOURCE_DIR}/include) add_library(replaygain-static STATIC gain_analysis) set_target_properties(replaygain-static PROPERTIES OUTPUT_NAME replaygain CLEAN_DIRECT_OUTPUT 1) add_library(replaygain-shared SHARED gain_analysis) set_target_properties(replaygain-shared PROPERTIES OUTPUT_NAME replaygain CLEAN_DIRECT_OUTPUT 1 VERSION 1.0.0 SOVERSION 1) install(TARGETS replaygain-static replaygain-shared LIBRARY DESTINATION "lib${LIB_SUFFIX}" ARCHIVE DESTINATION "lib${LIB_SUFFIX}") libreplaygain_r475/src/gain_analysis.c100777 0 0 46510 11103132606 13373 0/* * ReplayGainAnalysis - analyzes input samples and give the recommended dB change * Copyright (C) 2001 David Robinson and Glen Sawyer * Improvements and optimizations added by Frank Klemm, and by Marcel Mller * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * concept and filter values by David Robinson (David@Robinson.org) * -- blame him if you think the idea is flawed * original coding by Glen Sawyer (mp3gain@hotmail.com) * -- blame him if you think this runs too slowly, or the coding is otherwise flawed * * lots of code improvements by Frank Klemm ( http://www.uni-jena.de/~pfk/mpp/ ) * -- credit him for all the _good_ programming ;) * * * For an explanation of the concepts and the basic algorithms involved, go to: * http://www.replaygain.org/ */ /* * So here's the main source of potential code confusion: * * The filters applied to the incoming samples are IIR filters, * meaning they rely on up to number of previous samples * AND up to number of previous filtered samples. * * I set up the gain_analyze_samples routine to minimize memory usage and interface * complexity. The speed isn't compromised too much (I don't think), but the * internal complexity is higher than it should be for such a relatively * simple routine. * * Optimization/clarity suggestions are welcome. */ #include #include #include #include #include typedef unsigned short Uint16_t; typedef signed short Int16_t; typedef unsigned int Uint32_t; typedef signed int Int32_t; #define YULE_ORDER 10 #define BUTTER_ORDER 2 #define YULE_FILTER filterYule #define BUTTER_FILTER filterButter #define RMS_PERCENTILE 0.95 // percentile which is louder than the proposed level #define MAX_SAMP_FREQ 48000. // maximum allowed sample frequency [Hz] #define RMS_WINDOW_TIME 0.050 // Time slice size [s] #define STEPS_per_dB 100 // Table entries per dB #define MAX_dB 120 // Table entries for 0...MAX_dB (normal max. values are 70...80 dB) #define MAX_ORDER (BUTTER_ORDER > YULE_ORDER ? BUTTER_ORDER : YULE_ORDER) #define MAX_SAMPLES_PER_WINDOW (size_t) (MAX_SAMP_FREQ * RMS_WINDOW_TIME) // max. Samples per Time slice #define ANALYZE_SIZE (STEPS_per_dB * MAX_dB) #define PINK_REF 64.82 //298640883795 // calibration value static Float_t linprebuf [MAX_ORDER * 2]; static Float_t* linpre; // left input samples, with pre-buffer static Float_t lstepbuf [MAX_SAMPLES_PER_WINDOW + MAX_ORDER]; static Float_t* lstep; // left "first step" (i.e. post first filter) samples static Float_t loutbuf [MAX_SAMPLES_PER_WINDOW + MAX_ORDER]; static Float_t* lout; // left "out" (i.e. post second filter) samples static Float_t rinprebuf [MAX_ORDER * 2]; static Float_t* rinpre; // right input samples ... static Float_t rstepbuf [MAX_SAMPLES_PER_WINDOW + MAX_ORDER]; static Float_t* rstep; static Float_t routbuf [MAX_SAMPLES_PER_WINDOW + MAX_ORDER]; static Float_t* rout; static long sampleWindow; // number of samples required to reach number of milliseconds required for RMS window static long totsamp; static double lsum; static double rsum; static int freqindex; static int first; static int chap_void; // if == 0 gain_analyze_samples as been called static Uint32_t A [ANALYZE_SIZE]; // chapter static Uint32_t B [ANALYZE_SIZE]; // title static Uint32_t C [ANALYZE_SIZE]; // album // for each filter: // [0] 48 kHz, [1] 44.1 kHz, [2] 32 kHz, [3] 24 kHz, [4] 22050 Hz, [5] 16 kHz, [6] 12 kHz, [7] is 11025 Hz, [8] 8 kHz #ifdef WIN32 #ifndef __GNUC__ #pragma warning ( disable : 4305 ) #endif #endif static const Float_t ABYule[9][2*YULE_ORDER + 1] = { {0.03857599435200, -3.84664617118067, -0.02160367184185, 7.81501653005538, -0.00123395316851,-11.34170355132042, -0.00009291677959, 13.05504219327545, -0.01655260341619,-12.28759895145294, 0.02161526843274, 9.48293806319790, -0.02074045215285, -5.87257861775999, 0.00594298065125, 2.75465861874613, 0.00306428023191, -0.86984376593551, 0.00012025322027, 0.13919314567432, 0.00288463683916 }, {0.05418656406430, -3.47845948550071, -0.02911007808948, 6.36317777566148, -0.00848709379851, -8.54751527471874, -0.00851165645469, 9.47693607801280, -0.00834990904936, -8.81498681370155, 0.02245293253339, 6.85401540936998, -0.02596338512915, -4.39470996079559, 0.01624864962975, 2.19611684890774, -0.00240879051584, -0.75104302451432, 0.00674613682247, 0.13149317958808, -0.00187763777362 }, {0.15457299681924, -2.37898834973084, -0.09331049056315, 2.84868151156327, -0.06247880153653, -2.64577170229825, 0.02163541888798, 2.23697657451713, -0.05588393329856, -1.67148153367602, 0.04781476674921, 1.00595954808547, 0.00222312597743, -0.45953458054983, 0.03174092540049, 0.16378164858596, -0.01390589421898, -0.05032077717131, 0.00651420667831, 0.02347897407020, -0.00881362733839 }, {0.30296907319327, -1.61273165137247, -0.22613988682123, 1.07977492259970, -0.08587323730772, -0.25656257754070, 0.03282930172664, -0.16276719120440, -0.00915702933434, -0.22638893773906, -0.02364141202522, 0.39120800788284, -0.00584456039913, -0.22138138954925, 0.06276101321749, 0.04500235387352, -0.00000828086748, 0.02005851806501, 0.00205861885564, 0.00302439095741, -0.02950134983287 }, {0.33642304856132, -1.49858979367799, -0.25572241425570, 0.87350271418188, -0.11828570177555, 0.12205022308084, 0.11921148675203, -0.80774944671438, -0.07834489609479, 0.47854794562326, -0.00469977914380, -0.12453458140019, -0.00589500224440, -0.04067510197014, 0.05724228140351, 0.08333755284107, 0.00832043980773, -0.04237348025746, -0.01635381384540, 0.02977207319925, -0.01760176568150 }, {0.44915256608450, -0.62820619233671, -0.14351757464547, 0.29661783706366, -0.22784394429749, -0.37256372942400, -0.01419140100551, 0.00213767857124, 0.04078262797139, -0.42029820170918, -0.12398163381748, 0.22199650564824, 0.04097565135648, 0.00613424350682, 0.10478503600251, 0.06747620744683, -0.01863887810927, 0.05784820375801, -0.03193428438915, 0.03222754072173, 0.00541907748707 }, {0.56619470757641, -1.04800335126349, -0.75464456939302, 0.29156311971249, 0.16242137742230, -0.26806001042947, 0.16744243493672, 0.00819999645858, -0.18901604199609, 0.45054734505008, 0.30931782841830, -0.33032403314006, -0.27562961986224, 0.06739368333110, 0.00647310677246, -0.04784254229033, 0.08647503780351, 0.01639907836189, -0.03788984554840, 0.01807364323573, -0.00588215443421 }, {0.58100494960553, -0.51035327095184, -0.53174909058578, -0.31863563325245, -0.14289799034253, -0.20256413484477, 0.17520704835522, 0.14728154134330, 0.02377945217615, 0.38952639978999, 0.15558449135573, -0.23313271880868, -0.25344790059353, -0.05246019024463, 0.01628462406333, -0.02505961724053, 0.06920467763959, 0.02442357316099, -0.03721611395801, 0.01818801111503, -0.00749618797172 }, {0.53648789255105, -0.25049871956020, -0.42163034350696, -0.43193942311114, -0.00275953611929, -0.03424681017675, 0.04267842219415, -0.04678328784242, -0.10214864179676, 0.26408300200955, 0.14590772289388, 0.15113130533216, -0.02459864859345, -0.17556493366449, -0.11202315195388, -0.18823009262115, -0.04060034127000, 0.05477720428674, 0.04788665548180, 0.04704409688120, -0.02217936801134 } }; static const Float_t ABButter[9][2*BUTTER_ORDER + 1] = { {0.98621192462708, -1.97223372919527, -1.97242384925416, 0.97261396931306, 0.98621192462708 }, {0.98500175787242, -1.96977855582618, -1.97000351574484, 0.97022847566350, 0.98500175787242 }, {0.97938932735214, -1.95835380975398, -1.95877865470428, 0.95920349965459, 0.97938932735214 }, {0.97531843204928, -1.95002759149878, -1.95063686409857, 0.95124613669835, 0.97531843204928 }, {0.97316523498161, -1.94561023566527, -1.94633046996323, 0.94705070426118, 0.97316523498161 }, {0.96454515552826, -1.92783286977036, -1.92909031105652, 0.93034775234268, 0.96454515552826 }, {0.96009142950541, -1.91858953033784, -1.92018285901082, 0.92177618768381, 0.96009142950541 }, {0.95856916599601, -1.91542108074780, -1.91713833199203, 0.91885558323625, 0.95856916599601 }, {0.94597685600279, -1.88903307939452, -1.89195371200558, 0.89487434461664, 0.94597685600279 } }; #ifdef WIN32 #ifndef __GNUC__ #pragma warning ( default : 4305 ) #endif #endif // When calling these filter procedures, make sure that ip[-order] and op[-order] point to real data! // If your compiler complains that "'operation on 'output' may be undefined", you can // either ignore the warnings or uncomment the three "y" lines (and comment out the indicated line) static void filterYule (const Float_t* input, Float_t* output, size_t nSamples, const Float_t* kernel) { while (nSamples--) { *output = 1e-10 /* 1e-10 is a hack to avoid slowdown because of denormals */ + input [0] * kernel[0] - output[-1] * kernel[1] + input [-1] * kernel[2] - output[-2] * kernel[3] + input [-2] * kernel[4] - output[-3] * kernel[5] + input [-3] * kernel[6] - output[-4] * kernel[7] + input [-4] * kernel[8] - output[-5] * kernel[9] + input [-5] * kernel[10] - output[-6] * kernel[11] + input [-6] * kernel[12] - output[-7] * kernel[13] + input [-7] * kernel[14] - output[-8] * kernel[15] + input [-8] * kernel[16] - output[-9] * kernel[17] + input [-9] * kernel[18] - output[-10]* kernel[19] + input [-10]* kernel[20]; ++output; ++input; } } static void filterButter (const Float_t* input, Float_t* output, size_t nSamples, const Float_t* kernel) { while (nSamples--) { *output = input [0] * kernel[0] - output[-1] * kernel[1] + input [-1] * kernel[2] - output[-2] * kernel[3] + input [-2] * kernel[4]; ++output; ++input; } } // returns a INIT_GAIN_ANALYSIS_OK if successful, INIT_GAIN_ANALYSIS_ERROR if not static int ResetSampleFrequency ( long samplefreq ) { int i; // zero out initial values for ( i = 0; i < MAX_ORDER; i++ ) linprebuf[i] = lstepbuf[i] = loutbuf[i] = rinprebuf[i] = rstepbuf[i] = routbuf[i] = 0.; switch ( (int)(samplefreq) ) { case 48000: freqindex = 0; break; case 44100: freqindex = 1; break; case 32000: freqindex = 2; break; case 24000: freqindex = 3; break; case 22050: freqindex = 4; break; case 16000: freqindex = 5; break; case 12000: freqindex = 6; break; case 11025: freqindex = 7; break; case 8000: freqindex = 8; break; default: return INIT_GAIN_ANALYSIS_ERROR; } sampleWindow = (int) ceil (samplefreq * RMS_WINDOW_TIME); lsum = 0.; rsum = 0.; totsamp = 0; memset ( A, 0, sizeof(A) ); return INIT_GAIN_ANALYSIS_OK; } int gain_init_analysis ( long samplefreq ) { if (ResetSampleFrequency(samplefreq) != INIT_GAIN_ANALYSIS_OK) { return INIT_GAIN_ANALYSIS_ERROR; } linpre = linprebuf + MAX_ORDER; rinpre = rinprebuf + MAX_ORDER; lstep = lstepbuf + MAX_ORDER; rstep = rstepbuf + MAX_ORDER; lout = loutbuf + MAX_ORDER; rout = routbuf + MAX_ORDER; memset ( B, 0, sizeof(B) ); memset ( C, 0, sizeof(C) ); chap_void = 1; return INIT_GAIN_ANALYSIS_OK; } // returns GAIN_ANALYSIS_OK if successful, GAIN_ANALYSIS_ERROR if not static __inline double fsqr(const double d) { return d*d; } int gain_analyze_samples ( const Float_t* left_samples, const Float_t* right_samples, size_t num_samples, int num_channels ) { const Float_t* curleft; const Float_t* curright; long batchsamples; long cursamples; long cursamplepos; int i; if ( num_samples == 0 ) return GAIN_ANALYSIS_OK; cursamplepos = 0; batchsamples = num_samples; switch ( num_channels) { case 1: right_samples = left_samples; case 2: break; default: return GAIN_ANALYSIS_ERROR; } if ( num_samples < MAX_ORDER ) { memcpy ( linprebuf + MAX_ORDER, left_samples , num_samples * sizeof(Float_t) ); memcpy ( rinprebuf + MAX_ORDER, right_samples, num_samples * sizeof(Float_t) ); } else { memcpy ( linprebuf + MAX_ORDER, left_samples, MAX_ORDER * sizeof(Float_t) ); memcpy ( rinprebuf + MAX_ORDER, right_samples, MAX_ORDER * sizeof(Float_t) ); } while ( batchsamples > 0 ) { cursamples = batchsamples > sampleWindow-totsamp ? sampleWindow - totsamp : batchsamples; if ( cursamplepos < MAX_ORDER ) { curleft = linpre+cursamplepos; curright = rinpre+cursamplepos; if (cursamples > MAX_ORDER - cursamplepos ) cursamples = MAX_ORDER - cursamplepos; } else { curleft = left_samples + cursamplepos; curright = right_samples + cursamplepos; } YULE_FILTER ( curleft , lstep + totsamp, cursamples, ABYule[freqindex]); YULE_FILTER ( curright, rstep + totsamp, cursamples, ABYule[freqindex]); BUTTER_FILTER ( lstep + totsamp, lout + totsamp, cursamples, ABButter[freqindex]); BUTTER_FILTER ( rstep + totsamp, rout + totsamp, cursamples, ABButter[freqindex]); curleft = lout + totsamp; // Get the squared values curright = rout + totsamp; i = cursamples % 16; while (i--) { lsum += fsqr(*curleft++); rsum += fsqr(*curright++); } i = cursamples / 16; while (i--) { lsum += fsqr(curleft[0]) + fsqr(curleft[1]) + fsqr(curleft[2]) + fsqr(curleft[3]) + fsqr(curleft[4]) + fsqr(curleft[5]) + fsqr(curleft[6]) + fsqr(curleft[7]) + fsqr(curleft[8]) + fsqr(curleft[9]) + fsqr(curleft[10]) + fsqr(curleft[11]) + fsqr(curleft[12]) + fsqr(curleft[13]) + fsqr(curleft[14]) + fsqr(curleft[15]); curleft += 16; rsum += fsqr(curright[0]) + fsqr(curright[1]) + fsqr(curright[2]) + fsqr(curright[3]) + fsqr(curright[4]) + fsqr(curright[5]) + fsqr(curright[6]) + fsqr(curright[7]) + fsqr(curright[8]) + fsqr(curright[9]) + fsqr(curright[10]) + fsqr(curright[11]) + fsqr(curright[12]) + fsqr(curright[13]) + fsqr(curright[14]) + fsqr(curright[15]); curright += 16; } batchsamples -= cursamples; cursamplepos += cursamples; totsamp += cursamples; if ( totsamp == sampleWindow ) { // Get the Root Mean Square (RMS) for this set of samples double val = STEPS_per_dB * 10. * log10 ( (lsum+rsum) / totsamp * 0.5 + 1.e-37 ); int ival = (int) val; if ( ival < 0 ) ival = 0; if ( ival >= ANALYZE_SIZE ) ival = ANALYZE_SIZE - 1; A [ival]++; lsum = rsum = 0.; memmove ( loutbuf , loutbuf + totsamp, MAX_ORDER * sizeof(Float_t) ); memmove ( routbuf , routbuf + totsamp, MAX_ORDER * sizeof(Float_t) ); memmove ( lstepbuf, lstepbuf + totsamp, MAX_ORDER * sizeof(Float_t) ); memmove ( rstepbuf, rstepbuf + totsamp, MAX_ORDER * sizeof(Float_t) ); totsamp = 0; } if ( totsamp > sampleWindow ) // somehow I really screwed up: Error in programming! Contact author about totsamp > sampleWindow return GAIN_ANALYSIS_ERROR; } if ( num_samples < MAX_ORDER ) { memmove ( linprebuf, linprebuf + num_samples, (MAX_ORDER-num_samples) * sizeof(Float_t) ); memmove ( rinprebuf, rinprebuf + num_samples, (MAX_ORDER-num_samples) * sizeof(Float_t) ); memcpy ( linprebuf + MAX_ORDER - num_samples, left_samples, num_samples * sizeof(Float_t) ); memcpy ( rinprebuf + MAX_ORDER - num_samples, right_samples, num_samples * sizeof(Float_t) ); } else { memcpy ( linprebuf, left_samples + num_samples - MAX_ORDER, MAX_ORDER * sizeof(Float_t) ); memcpy ( rinprebuf, right_samples + num_samples - MAX_ORDER, MAX_ORDER * sizeof(Float_t) ); } chap_void = 0; return GAIN_ANALYSIS_OK; } static Float_t analyzeResult ( Uint32_t* Array, size_t len ) { Uint32_t elems; Int32_t upper; size_t i; elems = 0; for ( i = 0; i < len; i++ ) elems += Array[i]; if ( elems == 0 ) return GAIN_NOT_ENOUGH_SAMPLES; upper = (Int32_t) ceil (elems * (1. - RMS_PERCENTILE)); for ( i = len; i-- > 0; ) { if ( (upper -= Array[i]) <= 0 ) break; } return (Float_t)i / (Float_t)STEPS_per_dB; } Float_t gain_get_chapter ( void ) { Float_t retval; int i; retval = analyzeResult ( A, ANALYZE_SIZE ); for ( i = 0; i < ANALYZE_SIZE; i++ ) { B[i] += A[i]; A[i] = 0; } for ( i = 0; i < MAX_ORDER; i++ ) linprebuf[i] = lstepbuf[i] = loutbuf[i] = rinprebuf[i] = rstepbuf[i] = routbuf[i] = 0.f; totsamp = 0; lsum = rsum = 0.; chap_void = 1; return retval; } Float_t gain_get_title ( void ) { Float_t retval; int i; if (chap_void == 0) gain_get_chapter(); retval = analyzeResult ( B, ANALYZE_SIZE ); for ( i = 0; i < ANALYZE_SIZE; i++ ) { C[i] += B[i]; B[i] = 0; } return retval; } Float_t gain_get_album ( void ) { return analyzeResult ( C, ANALYZE_SIZE ); } /* end of gain_analysis.c */ libreplaygain_r475/src/Makefile.am100777 0 0 322 11004362311 12367 0INCLUDES = -I$(top_srcdir)/include METASOURCES = AUTO lib_LTLIBRARIES = libreplaygain.la libreplaygain_la_LDFLAGS = -no-undefined -version-info 1:0:0 libreplaygain_la_SOURCES = gain_analysis.c AM_CFLAGS = -fpic