w3cam-0.7.2/0040755000076400000620000000000007412662333011374 5ustar rascauserw3cam-0.7.2/configure.in0100644000076400000620000000213507366314420013702 0ustar rascauserAC_INIT() AC_ISC_POSIX LDFLAGS="$LDFLAGS -L/usr/local/lib -L/usr/local/X11/lib" CFLAGS="$CFLAGS -I/usr/local/include" AC_CHECK_LIB(m, pow) AC_CHECK_LIB(z, gzopen) AC_CHECK_LIB(png, png_create_write_struct) AC_CHECK_LIB(jpeg, jpeg_set_defaults) AC_MSG_CHECKING(--with-syslog=?) AC_ARG_WITH(syslog, [ --with-syslog use syslog [default=no]], [ac_syslog=$withval], [ac_syslog=no] ) if test "$ac_syslog" = "yes" ; then CFLAGS="$CFLAGS -DUSE_SYSLOG" else ac_syslog=no fi AC_MSG_RESULT($ac_syslog) AC_MSG_CHECKING(--with-device=?) AC_ARG_WITH(device, [ --with-device= video4linux device [default=/dev/video]], [ac_device=$withval], [ac_device=/dev/video] ) AC_MSG_RESULT($ac_device) if ! test -c $ac_device; then echo "** Warning: can't see '$ac_device'" fi AC_MSG_CHECKING(--with-ttf-inc=?) 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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, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #ifdef USE_SYSLOG #include #endif #if defined __GLIBC__ && __GLIBC__ >= 2 #include /* basename */ #endif #include #include #include #include #include #include #include #include #ifdef HAVE_LIBZ #include #endif #ifdef HAVE_LIBPNG #include #endif #ifdef HAVE_LIBJPEG #include #endif #ifdef HAVE_LIBTTF #include #endif #include "w3cam.h" #include "cgi.h" #include "v4l.h" /* * some default values, change these to fit your needs * most of these could be changed at runtime with config file */ #define FMT_DEFAULT FMT_JPEG /* FMT_PPM, FMT_JPEG, FMT_PNG */ #define QUALITY_DEFAULT 65 /* JPEG default quality */ #define WIDTH_DEFAULT 240 /* default width and height of the image */ #define HEIGHT_DEFAULT 180 #define MODE_DEFAULT MODE_PLAIN /* MODE_GUI or MODE_PLAIN */ #define USEC_DEFAULT 20000 /* wait microseconds before capturing */ #define REFRESH_DEFAULT OFF /* don't use refreshing */ #define MIN_REFRESH 0.0 /* min refresh time, compile time option */ #define FREQLIST_DEFAULT "878;9076;9844;9460" /* default frequenzies */ #define MAX_TRY_OPEN 20 /* may be the device is locked, so try max*/ /* end of default values * ********************* */ /* */ void usage (char *pname, int width, int height, int color, int quality, int usec) { cgi_response (http_bad_request, "text/html"); printf ( "w3cam - help
W3Cam, Version %s\n\n"
	"Usage: %s\n"
	"CGI parameters (GET or POST):\n"
	" help                                    show this page\n"
	" size=#x#                                geometry of picture "
		"[default = %dx%d]\n"
	" color={0|1}                             color or grey mode "
		"[default = %d]\n"
	" input={tv|composite|composite2|s-video} define input source\n"
	" quality={1-100}                         jpeg quality "
		"[default = %d]\n"
	" format={ppm|png|jpeg}                   output format\n"
	" freq=#                                  define frequenzy for TV\n"
	" usleep=#                                sleep # micro secs before cap. "
		"[default = %d]\n"
	" mode=[gui|html]                         build a page with panel or plain html\n"
	" refresh=#.#                             time in sec to refresh gui\n"
	" norm={pal|ntsc|secam}                   tv norm\n"
	" bgr={1|0}                               swap RGB to BGR (default: no)\n",
	VERSION, basename(pname), width, height, color, quality, usec);
	printf (
	"\nCompiled in features:\n");
#ifdef HAVE_LIBPNG
	printf (" PNG file format\n");
#endif
#ifdef HAVE_LIBJPEG
	printf (" JPEG file format\n");
#endif
#ifdef HAVE_LIBTTF
	printf ( " TTF/TimeStamp\n");
#endif
#ifdef USE_SYSLOG
	printf ( " SYSLOG support\n");
#endif
	exit (0);
}

/*
 */
void
log (char *info)
{
#ifdef USE_SYSLOG
	syslog (LOG_USER, "%s\n", info);
#else
	fprintf (stderr, "%s\n", info);
#endif
}

/*
 */
void
log2 (char *s1, char *s2)
{
#ifdef USE_SYSLOG
	syslog (LOG_USER, "%s %s\n", s1, s2);
#else
	fprintf (stderr, "%s %s\n", s1, s2);
#endif
}

/*
 * parse comma seperated frequency list
 */
char **
parse_list (char *freqs)
{
	char **flist = NULL;
	char *p = freqs, *end = NULL;
	int num = 0, i, len;

	if (!freqs)
		return (NULL);
	while ((p = strchr(p, ';')) != NULL) {
		p++;
		num++;
	}
	num++;
	flist = malloc ((num + 1) * sizeof (char *));
	flist[num] = NULL;
	p = freqs;
	for (i = 0; i < num; i++) {
		if (i == (num-1)) {
			/* last element */
			len = strlen (p);
		} else {
			end = strchr(p, ';');
			len = end - p;
		}
		flist[i] = malloc (len+1);
		strncpy (flist[i], p, len);
		p = end+1;
	}
	return (flist);
}

/*
 * read rgb image from v4l device
 * return: new allocated buffer
 */
unsigned char *
get_image (int dev, int width, int height, int input, int usec,
			unsigned long freq, int palette)
{
	struct video_mbuf vid_buf;
	struct video_mmap vid_mmap;
	char *map;
	unsigned char *buff;
	int size, len, bpp;
	register int i;

	if (input == IN_TV) {
		if (freq > 0) {
			if (ioctl (dev, VIDIOCSFREQ, &freq) == -1)
				log2 ("ioctl (VIDIOCSREQ):", strerror(errno));
		}
	}

	/* it seems some cards need a little bit time to come in
		sync with the new settings */
	if (usec)
		usleep (usec);

	if (palette != VIDEO_PALETTE_GREY) {
		/* RGB or YUV */
		size = width * height * 3;
		bpp = 3;
	} else {
		size = width * height * 1;
		bpp = 1;
	}
	vid_mmap.format = palette;

	if (ioctl (dev, VIDIOCGMBUF, &vid_buf) == -1) {
		/* do a normal read()
		 */
		struct video_window vid_win;

		if (ioctl (dev, VIDIOCGWIN, &vid_win) != -1) {
			vid_win.width  = width;
			vid_win.height = height;
			if (ioctl (dev, VIDIOCSWIN, &vid_win) == -1) {
				log2 ("ioctl(VIDIOCSWIN):", strerror(errno));
				return (NULL);
			}
		}
		map = malloc (size);
		if (!map)
			return (NULL);
		
		len = read (dev, map, size);
		if (len <= 0) {
			free (map);
			return NULL;
		}
		if (palette == VIDEO_PALETTE_YUV420P) {
			char *convmap;
            convmap = malloc ( width * height * bpp );
            v4l_yuv420p2rgb (convmap, map, width, height, bpp * 8);
            memcpy (map, convmap, (size_t) width * height * bpp);
            free (convmap);
        } else if (palette == VIDEO_PALETTE_YUV422P) {
			char *convmap;
            convmap = malloc ( width * height * bpp );
            v4l_yuv422p2rgb (convmap, map, width, height, bpp * 8);
            memcpy (map, convmap, (size_t) width * height * bpp);
            free (convmap);
		}
		return (map);
	}

	map = mmap (0, vid_buf.size, PROT_READ|PROT_WRITE,MAP_SHARED,dev,0);
	if ((unsigned char *)-1 == (unsigned char *)map) {
		log2 ("mmap():", strerror(errno));
		return (NULL);
	}
	vid_mmap.frame = 0;
	vid_mmap.width = width;
	vid_mmap.height =height;
	if (ioctl (dev, VIDIOCMCAPTURE, &vid_mmap) == -1) {
		log2 ("ioctl(VIDIOCMCAPTURE):", strerror(errno));
		munmap (map, vid_buf.size);
		return (NULL);
	}
	if (ioctl (dev, VIDIOCSYNC, &vid_mmap.frame) == -1) {
		log2 ("ioctl(VIDIOCSYNC):", strerror(errno));
		munmap (map, vid_buf.size);
		return (NULL);
	}
	buff = (unsigned char *) malloc (size);
	if (buff) {
		if (palette == VIDEO_PALETTE_YUV420P) {
			v4l_yuv420p2rgb (buff, map, width, height, 24);
        } else if (palette == VIDEO_PALETTE_YUV422P) {
            v4l_yuv422p2rgb (buff, map, width, height, 24);
		} else {
			for (i = 0; i < size; i++)
				buff[i] = map[i];
		}
	} else {
		perror ("malloc()");
	}
	munmap (map, vid_buf.size);
	return (buff);
}

/*
 */
void
put_image_jpeg (char *image, int width, int height, int quality, int color)
{
#ifdef HAVE_LIBJPEG
	register int x, y, line_width;
	JSAMPROW row_ptr[1];
	struct jpeg_compress_struct cjpeg;
	struct jpeg_error_mgr jerr;
	char *line = NULL;

	if (color) {
		line_width = width * 3;
		line = malloc (line_width);
		if (!line)
			return;
	} else {
		line_width = width;
	}
	cjpeg.err = jpeg_std_error(&jerr);
	jpeg_create_compress (&cjpeg);
	cjpeg.image_width = width;
	cjpeg.image_height= height;
	if (color) {
		cjpeg.input_components = 3;
		cjpeg.in_color_space = JCS_RGB;
	} else {
		cjpeg.input_components = 1;
		cjpeg.in_color_space = JCS_GRAYSCALE;
	}
	jpeg_set_defaults (&cjpeg);

	jpeg_simple_progression (&cjpeg);
	jpeg_set_quality (&cjpeg, quality, TRUE);
	cjpeg.dct_method = JDCT_FASTEST;
	jpeg_stdio_dest (&cjpeg, stdout);

	jpeg_start_compress (&cjpeg, TRUE);

	if (color) {
		row_ptr[0] = line;
		for ( y = 0; y < height; y++) {
			for (x = 0; x < line_width; x += 3) {
				line[x]   = image[x+2];
				line[x+1] = image[x+1];
				line[x+2] = image[x];
			}
			image += line_width;
			jpeg_write_scanlines (&cjpeg, row_ptr, 1);
		}
		free (line);
	} else {
		for ( y = 0; y < height; y++) {
			row_ptr[0] = image;
			jpeg_write_scanlines (&cjpeg, row_ptr, 1);
			image += line_width;
		}
	}
	jpeg_finish_compress (&cjpeg);
	jpeg_destroy_compress (&cjpeg);
#endif
}

/*
 * write png image to stdout
 */
void
put_image_png (char *image, int width, int height, int color)
{
#ifdef HAVE_LIBPNG
	register int y;
	register char *p;
	png_infop info_ptr;
	png_structp png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING,
						NULL, NULL, NULL);
	if (!png_ptr)
		return;
	info_ptr = png_create_info_struct (png_ptr);
	if (!info_ptr)
		return;

	png_init_io (png_ptr, stdout);
	if (color) {
		png_set_IHDR (png_ptr, info_ptr, width, height,
					8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
					PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
		png_set_bgr (png_ptr);
	} else {
		png_set_IHDR (png_ptr, info_ptr, width, height,
					8, PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE,
					PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
	}
	png_write_info (png_ptr, info_ptr);
	p = image;
	if (color) {
		width *= 3;
		for (y = 0; y < height; y++) {
			png_write_row (png_ptr, p);
			p += width;
		}
	} else {
		for (y = 0; y < height; y++) {
			png_write_row (png_ptr, p);
			p += width;
		}
	}
	png_write_end (png_ptr, info_ptr);
	png_destroy_write_struct (&png_ptr, &info_ptr);
#endif
}

/*
 * write ppm image to stdout
 */
void
put_image_ppm (char *image, int width, int height)
{
	int x, y, ls=0;
	unsigned char *p = (unsigned char *)image;
	printf ("P3\n%d %d\n%d\n", width, height, 255);
	for (x = 0; x < width; x++) {
		for (y = 0; y < height; y++) {
			printf ("%03d %03d %03d  ", p[2], p[1], p[0]);
			p += 3;
			if (ls++ > 4) {
				printf ("\n");
				ls = 0;
			}
		}
	}
}

/*
 */
const char *
palette2string (int palette) {
	if (palette == VIDEO_PALETTE_RGB24)
		return "rgb24";
	if (palette == VIDEO_PALETTE_YUV420P)
		return "yuv420p";
	if (palette == VIDEO_PALETTE_YUV422P)
		return "yuv422p";
	if (palette == VIDEO_PALETTE_GREY)
		return "grey";
	return "color";
}

/*
 * create a plain html page
 */
void
make_html (int width, int height, int color, int input, int fmt, int quality,
			float refresh, int us, int norm, int freq, char **freqs, int pal,
			int swapRGB)
{
	cgi_response (http_ok, "text/html");
	/* cgi_refresh (refresh, NULL); */
	cgi_html_start ("W3Cam");
	printf ("
\n");
}


/*
 * create a html page with panel
 */
void
make_gui (int width, int height, int color, int input, int fmt, int quality,
			float refresh, int us, int norm, int freq, char **freqs, int pal,
			int swapRGB)
{
	make_html (width, height, color, input, fmt, quality,
			refresh, us, norm, freq, freqs, pal, swapRGB);

	printf ("
\n");
	printf ("", width);
	printf ("\n", height);
	printf ("");
	printf ("\n", quality);
	printf ("\n", us);

	printf ("Input:\n",
				input == IN_SVIDEO? " selected":"");

	if ((norm != OFF) && (input == IN_TV)) {
		printf ("Norm:\n");
	}
	if (freqs && (input == IN_TV)) {
		int f;
		printf ("Freq:\n");
	}

	printf ("Format:\n", fmt == FMT_JPEG? " selected":"");

	printf ("Size:\n", width == 768 ? " selected": "");

	printf ("Refresh (sec.):\n", refresh);
	else
		printf ("\n");

	printf ("
\n");
	cgi_html_end ("
w3cam, © rasca
");
}

/*
 */
void
on_signal (int signum)
{
	exit (0);
}


#ifdef HAVE_LIBTTF
#include "font.c"
#endif

/*
 * main()
 */
int
main (int argc, char *argv[])
{
	int width = WIDTH_DEFAULT, height = HEIGHT_DEFAULT, dev = -1;
	char *val = NULL, **form = NULL, *image;
	char *boundary = "--w3cam-ns-boundary--may-not-work-with-ie--";
	char *freqlist = FREQLIST_DEFAULT;
	char **freqs = NULL;
	char *device = VIDEO_DEV;
	int max_try = MAX_TRY_OPEN;	/* we try 20 times (5 sec) to open the device */
	int quality = QUALITY_DEFAULT;	/* default jpeg quality setting */
	int input = INPUT_DEFAULT;
	int norm  = NORM_DEFAULT;
	int mode = MODE_DEFAULT;
	int color = TRUE;
	int swapRGB = FALSE;
	int palette = VIDEO_PALETTE_RGB24;
	float refresh = REFRESH_DEFAULT;
	float min_refresh = MIN_REFRESH;
	int format = FMT_DEFAULT;
	int usec = USEC_DEFAULT;
	int freq = 0;
	int protected = 0;
	char *mime = NULL;
#ifdef HAVE_LIBTTF
	char *font = NULL;
	char *timestamp = NULL;
	int font_size = 12;
#define TS_MAX 128
	/* timestamp string */
	char ts_buff[TS_MAX+1];
	int ts_len;
	int border = 2;
	int blend = 60;
	int align = 1;
	time_t t;
	struct tm *tm;
	TT_Engine engine;
	TT_Face face;
	TT_Face_Properties properties;
	TT_Instance instance;
	TT_Glyph *glyphs = NULL;
	TT_Raster_Map bit;
	TT_Raster_Map sbit;
#endif

#ifdef USE_SYSLOG
	openlog (argv[0], LOG_PID, LOG_USER);
#endif
	cgi_init (argv[0]);
	if (signal (SIGTERM, on_signal) == SIG_ERR) {
		log ("couldn't register handler for SIGTERM");
	}
	if (signal (SIGPIPE, on_signal) == SIG_ERR) {
		log ("couldn't register handler for SIGPIPE");
	}
	/* check some values from the config file
	 */
	val = cgi_cfg_value ("width");
	if (val) width = atoi (val);
	val = cgi_cfg_value ("height");
	if (val) height = atoi (val);
	val = cgi_cfg_value ("color");
	if (val) {
		if (strcasecmp (val, "yuv420p") == 0) {
			color = 1;
			palette = VIDEO_PALETTE_YUV420P;
		} else if (strcasecmp (val, "yuv422p") == 0) {
			color = 1;
			palette = VIDEO_PALETTE_YUV422P;
		} else if (*val == '0' || *val == 'g') {
			color = 0;
			palette = VIDEO_PALETTE_GREY;
		} else {
			color = 1;
		}
	}
	val = cgi_cfg_value ("refresh");
	if (val) refresh = atof (val);
	val = cgi_cfg_value ("norm");
	if (val) norm = atoi (val);
	val = cgi_cfg_value ("input");
	if (val) input = atoi (val);
	val = cgi_cfg_value ("format");
	if (val) format = atoi (val);
	val = cgi_cfg_value ("quality");
	if (val) quality = atoi (val);
	val = cgi_cfg_value ("mode");
	if (val) mode = atoi (val);
	val = cgi_cfg_value ("usleep");
	if (val) usec = atoi (val);
	val = cgi_cfg_value ("freq");
	if (val) freq = atoi (val);
	val = cgi_cfg_value ("freqlist");
	if (val) freqlist = val;
	val = cgi_cfg_value ("protected");
	if (val) protected = atoi (val);
	val = cgi_cfg_value ("device");
	if (val) device = val;
	val = cgi_cfg_value ("bgr");
	if (val) swapRGB = atoi (val);
#ifdef HAVE_LIBTTF
	val = cgi_cfg_value ("font");
	if (val) font = val;
	val = cgi_cfg_value ("font_size");
	if (val) font_size = atoi (val);
	val = cgi_cfg_value ("timestamp");
	if (val) timestamp = val;
	val = cgi_cfg_value ("timestamp_border");
	if (val) border = atoi (val);
	val = cgi_cfg_value ("timestamp_blend");
	if (val) blend = atoi (val);
	val = cgi_cfg_value ("timestamp_align");
	if (val) align = atoi (val);
#endif

	/* parse the form, if there is any
	 */
	if (!protected)
		form = cgi_parse_form ();

	if (form && !protected) {
		val = cgi_form_value ("help");
		if (val) {
			usage (argv[0], width, height, color, quality, usec);
		}
		val = cgi_form_value ("size");
		if (val) {
			sscanf (val, "%dx%d", &width, &height);
		}
		val = cgi_form_value ("color");
		if (val) {
			if (strcasecmp (val, "yuv420p") == 0) {
				color = 1;
				palette = VIDEO_PALETTE_YUV420P;
			} else if (strcasecmp (val, "yuv422p") == 0) {
				color = 1;
				palette = VIDEO_PALETTE_YUV422P;
			} else if (*val == '0' || *val == 'g') {
				color = 0;
				palette = VIDEO_PALETTE_GREY;
			} else {
				color = 1;
				palette = VIDEO_PALETTE_RGB24;
			}
		}
		val = cgi_form_value ("format");
		if (val) {
			if ((strcasecmp ("ppm", val) == 0) && color) {
				format = FMT_PPM;
			} else if (strcasecmp ("png", val) == 0) {
				format = FMT_PNG;
			} else if (strcasecmp ("jpeg", val) == 0) {
				format = FMT_JPEG;
			}
		}
		val = cgi_form_value ("refresh");
		if (val) refresh = atof (val);
		val = cgi_form_value ("quality");
		if (val) quality = atoi (val);
		val = cgi_form_value ("usleep");
		if (val) usec = atoi (val);
		val = cgi_form_value ("freq");
		if (val) freq = atoi (val);

		val = cgi_form_value ("mode");
		if (val) {
			if (strcmp ("gui", val) == 0)
				mode = MODE_GUI;
			else if (strcmp ("html", val) == 0)
				mode = MODE_HTML;
			else
				mode = MODE_PLAIN;
		}
		val = cgi_form_value ("input");
		if (val) {
			if (strcasecmp ("tv", val) == 0) {
				input = IN_TV;
			} else if (strcasecmp ("composite", val) == 0) {
				input = IN_COMP1;
			} else if (strcasecmp ("composite2", val) ==0) {
				input = IN_COMP2;
			} else if (strcasecmp ("s-video", val) == 0) {
				input = IN_SVIDEO;
			} else {
				input = INPUT_DEFAULT;
			}
		}
		val = cgi_form_value ("norm");
		if (val) {
			if (strcasecmp ("pal", val) == 0) {
				norm = NORM_PAL;
			} else if (strcasecmp ("ntsc", val) == 0) {
				norm = NORM_NTSC;
			} else if (strcasecmp ("secam", val) == 0) {
				norm = NORM_SECAM;
			} else {
				norm = OFF;
			}
		}
		val = cgi_form_value ("bgr");
		if (val) {
			/* check for yes,true,1 */
			if ((*val == '1') || (*val == 't') || (*val == 'y')) {
				swapRGB = 1;
			} else {
				swapRGB = 0;
			}
		}
	}

	if ((refresh > OFF) && (refresh < min_refresh))
		refresh = min_refresh;
	if (!*freqlist)
		freqlist = NULL;

	if (mode == MODE_GUI) {
		freqs = parse_list (freqlist);
		make_gui (width, height, color, input, format, quality, refresh, usec,
					norm,freq, freqs, palette, swapRGB);
		return (0);
	}
	if (mode == MODE_HTML) {
		freqs = parse_list (freqlist);
		make_html (width, height, color, input, format, quality, refresh, usec,
					norm,freq, freqs, palette, swapRGB);
		return (0);
	}
	switch (format) {
		case FMT_PPM:
			mime = "image/ppm";
			break;
		case FMT_JPEG:
			mime = "image/jpeg";
			break;
		case FMT_PNG:
			mime = "image/png";
			break;
		default:
			log ("unknown image format..!?");
			break;
	}
#ifdef HAVE_LIBTTF
	if (font && timestamp) {
		if (TT_Init_FreeType (&engine)) {
			font = NULL;
			goto no_time_stamp;
		}
		if (Face_Open (font, engine, &face, &properties, &instance, font_size)){
			TT_Done_FreeType (engine);
			font = NULL;
			goto no_time_stamp;
		}
	}
no_time_stamp:
#endif
	if (!color) {
		palette = VIDEO_PALETTE_GREY;
	}
	/* open the video4linux device */
again:
	while (max_try) {
		dev = open (device, O_RDWR);
		if (dev == -1) {
			log2 (device, strerror(errno));
			if (!--max_try) {
				cgi_response (http_ok, "text/plain");
				printf ("Can't open device %s: %s\n",device,strerror(errno));
				exit (0);
			}
			/* sleep 1/4 second */
			usleep (250000);
		} else {
			max_try = MAX_TRY_OPEN;	/* we may need it in a loop later .. */
			break;
		}
	}
	if (v4l_mute_sound (dev) == -1) {
		perror ("mute sound");
	}
	if (v4l_set_input (dev, input, norm) == -1) {
		return 1;
	}
	if (v4l_check_size (dev, &width, &height) == -1) {
		return 1;
	}
	/* if (v4l_check_palette (dev, &palette) == -1) {
		return 1;
	} */
again_without_open:
	image = get_image (dev, width, height, input, usec,freq, palette);
	if (image) {
		if (swapRGB && (palette == VIDEO_PALETTE_RGB24)) {
			int x,y;
			unsigned char *p, pt;
			p = image;
			for (y = 0; y < height; y++) {
				for (x = 0; x < width; x++) {
					pt = *p;
					*p = *(p+2);
					*(p+2) = pt;
					p += 3;
				}
			}
		}
		if (refresh != 0.0) {
			close (dev);
		}
		if (refresh != OFF) {
			cgi_multipart (boundary);
			printf ("Content-Type: %s\n\n", mime);
		} else {
			cgi_response (http_ok, mime);
		}
#ifdef HAVE_LIBTTF
	if (font && timestamp) {
		time (&t);
		tm = localtime (&t);
		ts_buff[TS_MAX] = '\0';
		strftime (ts_buff, TS_MAX, timestamp, tm);
		ts_len = strlen (ts_buff);

		glyphs = Glyphs_Load (face, &properties, instance, ts_buff, ts_len);
		Raster_Init(face, &properties,instance,ts_buff,ts_len, border, glyphs, &bit);
		Raster_Small_Init (&sbit, &instance);
		Render_String (glyphs, ts_buff, ts_len, &bit, &sbit, border);
		if (bit.bitmap) {
			int x, y, psize, i, x_off, y_off;
			unsigned char *p;

			if (color)
				psize = 3;
			else
				psize = 1;

			switch (align) {
				case 1:
					x_off = (width - bit.width) * psize;
					y_off = 0;
					break;
				case 2:
					x_off = 0;
					y_off = height - bit.rows;
					break;
				case 3:
					x_off = (width - bit.width) * psize;
					y_off = height - bit.rows;
					break;
				default:
					x_off = y_off = 0;
					break;
			}

			for (y = 0; y < bit.rows; y++) {
				p = image + (y + y_off) * (width * psize) + x_off;
				for (x = 0; x < bit.width; x++) {
					switch (((unsigned char *)bit.bitmap)
								[((bit.rows-y-1)*bit.cols)+x]) {
						case 0:
							for (i = 0; i < psize; i++) {
								*p = (255 * blend + *p * (100 - blend))/100;
								p++;
							}
							break;
						case 1:
							for (i = 0; i < psize; i++) {
								*p = (220 * blend + *p * (100 - blend))/100;
								p++;
							}
							break;
						case 2:
							for (i = 0; i < psize; i++) {
								*p = (162 * blend + *p * (100 - blend))/100;
								p++;
							}
							break;
						case 3:
							for (i = 0; i < psize; i++) {
								*p = (64 * blend + *p * (100 - blend))/100;
								p++;
							}
							break;
						default:
							for (i = 0; i < psize; i++) {
								*p = (0 * blend + *p * (100 - blend))/100;
								p++;
							}
							break;
					}
				}
			}
		}
		Raster_Done (&sbit);
		Raster_Done (&bit);
		Glyphs_Done (glyphs);
		glyphs = NULL;
	}
#endif
		switch (format) {
			case FMT_PPM:
				put_image_ppm (image, width, height);
				printf ("\n%s\n", boundary);
				break;
			case FMT_PNG:
				put_image_png (image, width, height, color);
				printf ("\n%s\n", boundary);
				break;
			case FMT_JPEG:
				put_image_jpeg (image, width, height, quality, color);
				printf ("\n%s\n", boundary);
				break;
			default:
				/* should never be reached */
				printf ("Unknown format (%d)\n", format);
				printf ("\n%s\n", boundary);
				break;
		}
		free (image);
		if (refresh == 0.0) {
			fflush (stdout);
			/* wait ? */
			goto again_without_open;
		}
		if (refresh != OFF) {
			fflush (stdout);
			usleep ((int)(refresh * 1000000));
			goto again;
		}
	} else {
		cgi_response (http_ok, "text/plain");
		printf ("Error: Can't get image\n");
		close (dev);
	}
#ifdef HAVE_LIBTTF
	if (font && timestamp) {
		Face_Done (instance, face);
		TT_Done_FreeType (engine);
	}
#endif
	return (0);
}

w3cam-0.7.2/vidcat.c0100644000076400000620000003750007373452150013014 0ustar  rascauser/*
 * vidcat.c
 *
 * Copyright (C) 1998 - 2001 Rasca, Berlin
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 	/* gettimeofday() */
#include 
#include 
#include 
#include 
#ifdef HAVE_LIBZ
#include 
#endif
#ifdef HAVE_LIBPNG
#include 
#endif
#ifdef HAVE_LIBJPEG
#include 
#endif
#include "v4l.h"

#define DEF_WIDTH	320	/* default width */
#define DEF_HEIGHT	240	/* default height */

#define FMT_UNKNOWN		0
#define FMT_PPM			1
#define FMT_PGM			2
#define FMT_PNG			3
#define FMT_JPEG		4
#define FMT_YUV4MPEG	5

#define IN_TV			0
#define IN_COMPOSITE	1
#define IN_COMPOSITE2	2
#define IN_SVIDEO		3

#define NORM_PAL		0
#define NORM_NTSC		1
#define NORM_SECAM		2

#define QUAL_DEFAULT	80

char *basename (const char *s);

/* globals
 */
static int verbose = 0;

/*
 */
void
usage (char *pname)
{
	fprintf (stderr,
	"VidCat, Version %s\n"
	"Usage: %s \n"
	" -b                          make a raw PPM instead of an ASCII one\n"
	" -d                  video device (default: "VIDEO_DEV")\n"
	" -f {ppm|jpeg|png|yuv4mpeg}  output format of the image\n"
	" -g                          greayscale instead of color\n"
	" -i {tv|comp1|comp2|s-video} which input channel to use\n"
	" -l                          loop on, doesn't make sense in most cases\n"
	" -n {pal|ntsc|secam}         select video norm\n"
	" -o                    write output to file instead of stdout\n"
	" -p c|g|y|Y                  videopalette to use\n"
	" -q                 only for jpeg: quality setting (1-100,"
		" default: %d)\n"
	" -s NxN                      define size of the output image (default:"
		" %dx%d)\n"
	"Example: vidcat | xsetbg stdin\n",
		VERSION, (char*)basename(pname), QUAL_DEFAULT, DEF_WIDTH, DEF_HEIGHT);
	exit (1);
}

/*
 */
double
ms_time (void)
{
	static struct timeval tod;
	gettimeofday (&tod, NULL);
	return ((double)tod.tv_sec * 1000.0 + (double)tod.tv_usec / 1000.0);
	
}


/*
 * read rgb image from v4l device
 * return: mmap'ed buffer and size
 */
char *
get_image (int dev, int width, int height, int palette ,int *size)
{
	struct video_mbuf vid_buf;
	struct video_mmap vid_mmap;
	char *map, *convmap;
	int len;
	int bytes = 3;

	if (palette == VIDEO_PALETTE_GREY)
		bytes = 1;	/* bytes per pixel */

	if (ioctl (dev, VIDIOCGMBUF, &vid_buf) == -1) {
		/* to do a normal read()
		 */
		struct video_window vid_win;
		if (verbose) {
			fprintf (stderr, "using read()\n");
		}

		if (ioctl (dev, VIDIOCGWIN, &vid_win) != -1) {
			vid_win.width  = width;
			vid_win.height = height;
			if (ioctl (dev, VIDIOCSWIN, &vid_win) == -1) {
				perror ("ioctl(VIDIOCSWIN)");
				return (NULL);
			}
		}

		map = malloc (width * height * bytes);
		len = read (dev, map, width * height * bytes);
		if (len <=  0) {
			free (map);
			return (NULL);
		}
		*size = 0;
		if (palette == VIDEO_PALETTE_YUV420P) {
			convmap = malloc ( width * height * bytes );
			v4l_yuv420p2rgb (convmap, map, width, height, bytes * 8);
			memcpy (map, convmap, (size_t) width * height * bytes);
			free (convmap);
		} else if (palette == VIDEO_PALETTE_YUV422P) {
			convmap = malloc ( width * height * bytes );
			v4l_yuv422p2rgb (convmap, map, width, height, bytes * 8);
			memcpy (map, convmap, (size_t) width * height * bytes);
			free (convmap);
		}
		return (map);
	}

	map = mmap (0, vid_buf.size, PROT_READ|PROT_WRITE,MAP_SHARED,dev,0);
	if ((unsigned char *)-1 == (unsigned char *)map) {
		perror ("mmap()");
		return (NULL);
	}

	vid_mmap.format = palette;
	vid_mmap.frame = 0;
	vid_mmap.width = width;
	vid_mmap.height = height;
	if (ioctl (dev, VIDIOCMCAPTURE, &vid_mmap) == -1) {
		perror ("VIDIOCMCAPTURE");
		fprintf (stderr, "args: width=%d height=%d palette=%d\n",
					vid_mmap.width, vid_mmap.height, vid_mmap.format);
		munmap (map, vid_buf.size);
		return (NULL);
	}
	if (ioctl (dev, VIDIOCSYNC, &vid_mmap.frame) == -1) {
		perror ("VIDIOCSYNC");
		munmap (map, vid_buf.size);
		return (NULL);
	}
	*size = vid_buf.size;
	
	if (palette == VIDEO_PALETTE_YUV420P) {
		if (verbose)
			fprintf (stderr, "converting from YUV to RGB\n");
		convmap = malloc ( width * height * bytes );
		v4l_yuv420p2rgb (convmap, map, width, height, bytes * 8);
		memcpy (map, convmap, (size_t) width * height * bytes);
		free (convmap);
	} else if (palette == VIDEO_PALETTE_YUV422P) {
		if (verbose)
			fprintf (stderr, "converting from YUV to RGB\n");
		convmap = malloc ( width * height * bytes );
		v4l_yuv422p2rgb (convmap, map, width, height, bytes * 8);
		memcpy (map, convmap, (size_t) width * height * bytes);
		free (convmap);
	}
	
	return (map);
	if (verbose)
		fprintf (stderr, "got picture\n");
}

/*
 */
void
put_image_jpeg (FILE *out, char *image, int width, int height, int quality, int palette)
{
#ifdef HAVE_LIBJPEG
	int y, x, line_width;
	JSAMPROW row_ptr[1];
	struct jpeg_compress_struct cjpeg;
	struct jpeg_error_mgr jerr;
	char *line;

	line = malloc (width * 3);
	if (!line)
		return;
	if (verbose)
		fprintf (stderr, "writing JPEG data\n");
	cjpeg.err = jpeg_std_error(&jerr);
	jpeg_create_compress (&cjpeg);
	cjpeg.image_width = width;
	cjpeg.image_height= height;
	if (palette == VIDEO_PALETTE_GREY) {
		cjpeg.input_components = 1;
		cjpeg.in_color_space = JCS_GRAYSCALE;
	//	jpeg_set_colorspace (&cjpeg, JCS_GRAYSCALE);
	} else {
		cjpeg.input_components = 3;
		cjpeg.in_color_space = JCS_RGB;
	}
	jpeg_set_defaults (&cjpeg);
	jpeg_set_quality (&cjpeg, quality, TRUE);
	cjpeg.dct_method = JDCT_FASTEST;
	jpeg_stdio_dest (&cjpeg, out);


	jpeg_start_compress (&cjpeg, TRUE);
	row_ptr[0] = line;
	if (palette == VIDEO_PALETTE_GREY) {
		line_width = width;
		for ( y = 0; y < height; y++) {
			row_ptr[0] = image;
			jpeg_write_scanlines (&cjpeg, row_ptr, 1);
			image += line_width;
		}
	} else {
		line_width = width * 3;
		for ( y = 0; y < height; y++) {
			for (x = 0; x < line_width; x+=3) {
				line[x]   = image[x+2];
				line[x+1] = image[x+1];
				line[x+2] = image[x];
			}
			jpeg_write_scanlines (&cjpeg, row_ptr, 1);
			image += line_width;
		}
	}
	jpeg_finish_compress (&cjpeg);
	jpeg_destroy_compress (&cjpeg);
	free (line);
#endif
}

/*
 * write png image to stdout
 */
void
put_image_png (FILE *out, char *image, int width, int height, int palette)
{
#ifdef HAVE_LIBPNG
	int y, bpp;
	char *p;
	png_infop info_ptr;
	png_structp png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING,
						NULL, NULL, NULL);
	if (!png_ptr)
		return;
	info_ptr = png_create_info_struct (png_ptr);
	if (!info_ptr)
		return;

	png_init_io (png_ptr, out);
	if (palette == VIDEO_PALETTE_GREY) {
		png_set_IHDR (png_ptr, info_ptr, width, height,
					8, PNG_COLOR_TYPE_GRAY, PNG_INTERLACE_NONE,
					PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
		bpp = 1;
	} else {
		png_set_IHDR (png_ptr, info_ptr, width, height,
					8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
					PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
		bpp = 3;
	}
	png_set_bgr (png_ptr);
	png_write_info (png_ptr, info_ptr);
	p = image;
	for (y = 0; y < height; y++) {
		png_write_row (png_ptr, p);
		p += width * bpp;
	}
	png_write_end (png_ptr, info_ptr);
#endif
}

/*
 * write ppm image to stdout / file
 */
void
put_image_ppm (FILE *out, char *image, int width, int height, int binary)
{
	int x, y, ls=0;
	unsigned char *p = (unsigned char *)image;
	if (!binary) {
		fprintf (out, "P3\n%d %d\n%d\n", width, height, 255);
		for (x = 0; x < width; x++) {
			for (y = 0; y < height; y++) {
				fprintf (out, "%03d %03d %03d  ", p[2], p[1], p[0]);
				p += 3;
				if (ls++ > 4) {
					fprintf (out, "\n");
					ls = 0;
				}
			}
		}
		fprintf (out, "\n");
	} else {
		unsigned char buff[3];
		fprintf (out, "P6\n%d %d\n%d\n", width, height, 255);
		for (x = 0; x < width * height; x++) {
			buff[0] = p[2];
			buff[1] = p[1];
			buff[2] = p[0];
			fwrite (buff, 1, 3, out);
			p += 3;
		}
	}
	fflush (out);
}

/*
 * write pgm image to stdout / file
 */
void
put_image_pgm (FILE *out, char *image, int width, int height, int binary)
{
	int x, y, ls=0;
	unsigned char *p = (unsigned char *)image;
	if (!binary) {
		fprintf (out, "P2\n%d %d\n%d\n", width, height, 255);
		for (x = 0; x < width; x++) {
			for (y = 0; y < height; y++) {
				fprintf (out, "%03d ", p[0]);
				p++;
				if (ls++ > 4) {
					fprintf (out, "\n");
					ls = 0;
				}
			}
		}
		fprintf (out, "\n");
	} else {
		fprintf (out, "P5\n%d %d\n%d\n", width, height, 255);
		for (x = 0; x < width * height; x++) {
			fwrite (p, 1, 1, out);
			p++;
		}
	}
	fflush (out);
}

/*
 * write YUV4MPEG stream which is nice for mpeg2enc
 */
int
to_yuv (FILE *out, int fd, int width, int height)
{
	struct video_mbuf vid_buf;
	struct video_mmap vid_mmap;
	int do_read = 0;
	int done = 0;
	char *map;
	int size;
	int num = 0;
	double ms_time0, ms_time1;
	int tpf = 40;	/* 40 ms time per frame (= 25 fps) */

	if (ioctl (fd, VIDIOCGMBUF, &vid_buf) == -1) {
		do_read = 1;
	} else {
		fprintf (stderr, "buffsize=%d frames=%d\n",vid_buf.size,vid_buf.frames);
	}

	if (!do_read) {
		map = mmap (0, vid_buf.size, PROT_READ|PROT_WRITE,MAP_SHARED, fd, 0);
		if ((unsigned char *)-1 == (unsigned char *)map) {
			perror ("mmap()");
			return -1;
		}
		vid_mmap.format = VIDEO_PALETTE_YUV420P;
		vid_mmap.frame = 0;
		vid_mmap.width = width;
		vid_mmap.height =height;
		size = (width * height) + (width * height / 2);

		fprintf (stderr, "%dx%d bufsize=%d size=%d\n",
				width, height, vid_buf.size, size);

		printf ("YUV4MPEG%d %d %d\n", width, height, 3);

		if (ioctl (fd, VIDIOCMCAPTURE, &vid_mmap) == -1) {
			perror ("ioctl VIDIOCMCAPTURE");
			munmap (map, vid_buf.size);
			return -1;
		}
		vid_mmap.frame = 1;
		if (ioctl (fd, VIDIOCMCAPTURE, &vid_mmap) == -1) {
			perror ("ioctl VIDIOCMCAPTURE");
			munmap (map, vid_buf.size);
			return -1;
		}
		while (!done) {
			ms_time0 = ms_time(); /* milli seconds */
			vid_mmap.frame = vid_mmap.frame > 0 ? 0 : 1;
			if (ioctl (fd, VIDIOCSYNC, &vid_mmap.frame) == -1) {
				perror ("ioctl VIDIOCSYNC");
				munmap (map, vid_buf.size);
				return -1;
			}
			printf ("FRAME\n");
			fwrite (map + vid_buf.offsets[vid_mmap.frame], 1, size, stdout);
			if (ioctl (fd, VIDIOCMCAPTURE, &vid_mmap) == -1) {
				perror ("ioctl VIDIOCMCAPTURE");
				munmap (map, vid_buf.size);
				return -1;
			}
			num++;
			ms_time1 = ms_time () - ms_time0;
			if (ms_time1 < (double)tpf) {
				usleep (tpf - (int)ms_time1);
			} else {
				fprintf (stderr, "delayed: dt=%f\n",ms_time1 - (double)tpf);
			}
		}
		munmap (map, vid_buf.size);
	} else {
		fprintf (stderr, "still not implemented\n");
	}
	return 0;
}

/*
 * main()
 */
int
main (int argc, char *argv[])
{
	int width = DEF_WIDTH, height = DEF_HEIGHT, size, dev = -1, c;
	char *image, *device = VIDEO_DEV, *file = NULL;
	int max_try = 5;	/* we try 5 seconds/times to open the device */
	int quality = QUAL_DEFAULT;	/* default jpeg quality setting */
	int input = INPUT_DEFAULT; /* this means take over current device settings*/
	int norm  = NORM_DEFAULT;
	int loop =0 ;
	int binary = 0;
	int palette = VIDEO_PALETTE_RGB24;
	//int palette = VIDEO_PALETTE_YUV420;
	int num = 0;
	FILE *out = stdout;
#ifdef HAVE_LIBJPEG
	int format = FMT_JPEG;
#else
#	ifdef HAVE_LIBPNG
	int format = FMT_PNG;
#	else
	int format = FMT_PPM;
#	endif
#endif

	while ((c = getopt (argc, argv, "bd:f:gi:ln:o:p:q:s:vV")) != EOF) {
		switch (c) {
			case 'b': /* PPM as binary file */
				binary = 1;
				break;
			case 'd': /* change default device */
				device = optarg;
				break;
			case 'f':
				if (strcasecmp ("yuv4mpeg", optarg) == 0)
					format = FMT_YUV4MPEG;
				else if (strcasecmp ("png", optarg) == 0)
					format = FMT_PNG;
				else if (strcasecmp ("ppm", optarg) == 0)
					format = FMT_PPM;
				else if (strcasecmp ("pgm", optarg) == 0) {
					format = FMT_PGM;
					palette = VIDEO_PALETTE_GREY;
				} else if (strcasecmp ("jpeg", optarg) == 0)
					format = FMT_JPEG;
				else
					format = FMT_UNKNOWN;
				break;
			case 'g':
				palette = VIDEO_PALETTE_GREY;
				break;
			case 'i':
				if (strcasecmp ("tv", optarg) == 0) {
					input = IN_TV;
				} else if (strcasecmp ("comp1", optarg) == 0) {
					input = IN_COMPOSITE;
				} else if (strcasecmp ("comp2", optarg) ==0) {
					input = IN_COMPOSITE2;
				} else if (strcasecmp ("s-video", optarg) == 0) {
					input = IN_SVIDEO;
				} else {
					usage (argv[0]);
				}
				break;
			case 'l':
				loop = 1;
				break;
			case 'n':
				if (strcasecmp ("pal", optarg) == 0)
					norm = NORM_PAL;
				else if (strcasecmp ("ntsc", optarg) == 0)
					norm = NORM_NTSC;
				else if (strcasecmp ("secam", optarg) == 0)
					norm = NORM_SECAM;
				else
					usage (argv[0]);
				break;
			case 'o':
				file = optarg;
				break;
			case 'p':
				switch (*optarg) {
					case 'R':
					case 'c':
						palette = VIDEO_PALETTE_RGB24;
						break;
					case 'y':
						palette = VIDEO_PALETTE_YUV420P;
						break;
					case 'Y':
						palette = VIDEO_PALETTE_YUV422P;
						break;
					case 'g':
						palette = VIDEO_PALETTE_GREY;
						break;
					default:
						usage (argv[0]);
						break;
				}
				break;
			case 'q':
				sscanf (optarg, "%d", &quality);
				break;
			case 's':
				sscanf (optarg, "%dx%d", &width, &height);
				break;
			case 'v':
				verbose++;
				break;
			case 'V':
				printf ("Vidcat, Version %s\n", VERSION);
				exit (0);
				break;
			default:
				usage (argv[0]);
				break;
		}
	}
	if (verbose) {
		fprintf (stderr, "input palette: %s\n",
			palette == VIDEO_PALETTE_GREY ? "grey" :
			palette == VIDEO_PALETTE_RGB24 ? "rgb" :
			palette == VIDEO_PALETTE_YUV420P ? "yuv420" : "yuv422");
		fprintf (stderr, "size: %dx%d\n", width, height);
	}
	if (file) {
		out = fopen (file, "wb");
		if (!out) {
			perror (file);
			return 1;
		}
	}
again:
	/* open the video4linux device */
	while (max_try) {
		dev = open (device, O_RDWR);
		if (dev == -1) {
			if (!--max_try) {
				fprintf (stderr, "Can't open device %s\n", device);
				return (1);
			}
			sleep (1);
		} else { break; }
	}
	if (!num) {
		/* if we loop we have to do this only once. so
		 * check frame number and execute only for the
		 * frame number "0".
		 */
		if (v4l_set_input (dev, input, norm) == -1) {
			return (1);
		}
		if (v4l_check_size (dev, &width, &height) == -1) {
			return (1);
		}
		/*if (v4l_check_palette (dev, &palette) == -1) {
			return (1);
		}*/
	}
	switch (format) {
		case FMT_YUV4MPEG:
			if (palette == VIDEO_PALETTE_YUV420P)
				return to_yuv (out, dev, width, height);
			break;
	}
	image = get_image (dev, width, height, palette, &size);
	if (!size)
		close (dev);
	if (image) {
		switch (format) {
			case FMT_PPM:
				if (palette == VIDEO_PALETTE_GREY)
					put_image_pgm (out, image, width, height, binary);
				else
					put_image_ppm (out, image, width, height, binary);
				break;
			case FMT_PGM:
				put_image_pgm (out, image, width, height, binary);
				break;
			case FMT_PNG:
				put_image_png (out, image, width, height, palette);
				break;
			case FMT_JPEG:
				put_image_jpeg (out, image, width, height, quality, palette);
				break;
			default:
				fprintf (stderr, "Unknown format (%d)\n", format);
				break;
		}
		if (size) {
			munmap (image, size);
			close (dev);
		} else if (image) {
			free (image);
		}
		if (loop) {
			num++;
			goto again;
		}
	} else {
		fprintf (stderr, "Error: Can't get image\n");
	}
	return (0);
}

w3cam-0.7.2/w3camd/0040755000076400000620000000000007412662332012551 5ustar  rascauserw3cam-0.7.2/w3camd/w3camd.c0100644000076400000620000002650407150315403014070 0ustar  rascauser/*
 * w3camd.c
 *
 * Copyright (C) 1998 - 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include "w3socket.h"
#include "w3http.h"
#include "w3v4l.h"
#include "w3jpeg.h"
#include "w3log.h"

#ifndef CAM_PORT
#define CAM_PORT 8999
#endif
#define forever() while(1)
#define MAX_WIDTH	768
#define MAX_HEIGHT	576
#define SERVER_NAME	"w3camd/0.3"
#define SLEEP(n)	usleep((int)(n * 1000000))
#define OFF -1

enum {
	ST_NONE,
	ST_ERROR,
	ST_BUSY,
	ST_READY,
	ST_EXIT,
};

typedef struct {
	int childs;
	pthread_mutex_t childs_lock;
	pthread_cond_t childs_cond;
	int state;
	int width;				/* image width */
	int height;				/* image height */
	int input;
	unsigned char *img;		/* image data for the childs */
	pthread_mutex_t img_lock;
	pthread_cond_t img_cond;
} image_t;

typedef struct {
	int fd;					/* fd for the incoming connection */
	int verbose;
	char *url;
	char *image;
	int image_size;
	image_t *img;
	pthread_t thread;
	/* */
	float refresh;
	int quality;
} conn_t;

typedef struct {
	char *dev;
	image_t *img;
} camera_t;


/*
 * show possible parameters
 */
void
usage (char *pname) {
	fprintf (stderr,
		"Usage: %s [-v] [-p #] [-h host] [-s #x#] [-m #] [-i #] [-d device] \n",
		pname);
	exit (1);
}

/*
 * write jpeg file to filedescriptor fd
 */
int
write_jpeg (image_t *img, int fd, int quality)
{
	JSAMPROW row_ptr[1];
	struct jpeg_compress_struct jpeg;
	struct jpeg_error_mgr jerr;
	char *line, *image;
	int y, x, line_width;

#ifdef DEBUG
	fprintf (stderr, "%s: write_jpeg() width=%d height=%d\n",
		__FILE__, img->width, img->height);
#endif
	line = malloc (img->width * 3);
	if (!line)
		return 0;
	jpeg.err = jpeg_std_error (&jerr);
	jpeg_create_compress (&jpeg);
	jpeg.image_width = img->width;
	jpeg.image_height= img->height;
	jpeg.input_components = 3;
	jpeg.in_color_space = JCS_RGB;
	jpeg_set_defaults (&jpeg);
	jpeg_set_quality (&jpeg, quality, TRUE);
	jpeg.dct_method = JDCT_FASTEST;
	jpeg_io_dest (&jpeg, fd);	/* this is in w3jpeg.c */
	jpeg_start_compress (&jpeg, TRUE);
	row_ptr[0] = line;
	line_width = img->width * 3;
	image = img->img;
	for (y = 0; y < img->height; y++) {
		for (x = 0; x < line_width; x+=3) {
			line[x]   = image[x+2];
			line[x+1] = image[x+1];
			line[x+2] = image[x];
		}
		if (!jpeg_write_scanlines (&jpeg, row_ptr, 1)) {
			jpeg_destroy_compress (&jpeg);
			free (line);
			return 0;
		}
		image += line_width;
	}
	jpeg_finish_compress (&jpeg);
	jpeg_destroy_compress (&jpeg);
	free (line);
	return 1;
}

/*
 * capture images continously
 */
void *
image_thread (void *data)
{
	camera_t *cam = (camera_t *) data;
	image_t *img = cam->img;
	video_t *vid;
#ifdef DEBUG
	printf ("%s: image_thread() img->childs=%d\n", __FILE__, img->childs);
	printf ("%s:  pid = %d\n", __FILE__, getpid());
#endif
WAIT:
	img->state = ST_NONE;
	pthread_mutex_lock (&img->childs_lock);
	forever () {
		pthread_cond_wait (&img->childs_cond, &img->childs_lock);
		log_print ("%s: no. of childs changed: childs=%d\n", __FILE__, img->childs);
		if (img->childs > 0)
			break;
	}
	pthread_mutex_unlock (&img->childs_lock);

	if (!(vid = v4l_init(cam->dev, img->input, img->width, img->height))) {
		img->state = ST_ERROR;
		/* pthread_cond_broadcast (&img->img_cond); */
		log_print("%s: can't init v4l\n", __FILE__);
		goto WAIT;
	}
	vid->width = img->width;
	vid->height= img->height;

	while (img->childs > 0) {
		if (!v4l_image(vid)) {
			img->state = ST_ERROR;
			log_print ("image_thread() error\n");
		} else {
			img->state = ST_BUSY;
			pthread_mutex_lock (&img->img_lock);
			printf ("0x%X 0x%X %dx%d\n", img, vid->mem,vid->width, vid->height);
			memcpy (img->img, vid->mem, vid->width * vid->height * 3);
			printf ("done ..\n");
#ifdef DEBUG
			printf ("%s: unlocking img..\n", __FILE__);
#endif
			pthread_mutex_unlock (&img->img_lock);
			img->state = ST_READY;
			pthread_cond_broadcast (&img->img_cond);
			SLEEP(0.005);
		}
	}
	v4l_fini (vid);
	goto WAIT;
	return (NULL);
}

/*
 */
void
e_help (conn_t *cn)
{
	char buf[16];
	char *e =
		"Usage:\n"
		"  /image[?quality=<#>[&stream]] - retrieve an image\n"
		"  /help                - see these lines\n";

	sprintf (buf, "%d", strlen (e));
	http_status (cn->fd, HTTP_OK);
	http_header (cn->fd, HTTP_SERVER, SERVER_NAME);
	http_header (cn->fd, HTTP_CONTENT_TYPE, "text/plain");
	http_header (cn->fd, HTTP_CONTENT_LENGTH, buf);
	http_header (cn->fd, HTTP_HEADER_END, NULL);
	write (cn->fd, e, strlen(e));
}

/*
 */
void
e_wrong_url (conn_t *cn)
{
	char buf[16];
	char *e = "wrong url!\n  try \"/help\"\n";

	sprintf (buf, "%d", strlen (e));
	http_status (cn->fd, HTTP_BAD_REQUEST);
	http_header (cn->fd, HTTP_SERVER, SERVER_NAME);
	http_header (cn->fd, HTTP_CONTENT_TYPE, "text/plain");
	http_header (cn->fd, HTTP_CONTENT_LENGTH, buf);
	http_header (cn->fd, HTTP_HEADER_END, NULL);
	write (cn->fd, e, strlen(e));
}

/*
 */
void
e_error (conn_t *cn)
{
	char buf[64];
	http_status (cn->fd, HTTP_BAD_REQUEST);
	http_header (cn->fd, HTTP_SERVER, SERVER_NAME);
	http_header (cn->fd, HTTP_CONTENT_TYPE, "text/plain");
	http_header (cn->fd, HTTP_HEADER_END, NULL);
	sprintf (buf, "can't read image! device busy?!\n");
	write (cn->fd, buf, strlen(buf));
}


/*
 * process the requested url
 */
void
process_url (conn_t *cn)
{
	char rfc1123[64];
	time_t gmt;
	int stream = 0;
	char buf[128];
#	define BOUNDARY "--w3camd-ns-boundary--may-not-work-with-ie--"

	gmt = time (NULL);
	strftime (rfc1123, 64, "%a, %d %b %Y %H:%M:%S GMT", gmtime (&gmt));
	
	if (!cn->url) {
		e_wrong_url (cn);
		return;
	}
	if (strncmp (cn->url, "/image", 6) != 0) {
		if (strncmp (cn->url, "/help", 5) == 0)
			e_help (cn);
		else
			e_wrong_url (cn);
		return;
	}
	if (strstr (cn->url, "stream")) {
		stream = 1;
	}
	if (cn->img->state == ST_ERROR) {
		e_error (cn);
		return;
	}
	http_status (cn->fd, HTTP_OK);
	http_header (cn->fd, HTTP_SERVER, SERVER_NAME);
	if (stream) {
		http_header (cn->fd, HTTP_CONTENT_TYPE,
				"multipart/x-mixed-replace;boundary="BOUNDARY);
	} else {
		http_header (cn->fd, HTTP_CONTENT_TYPE, "image/jpeg");
	}
	http_header (cn->fd, HTTP_EXPIRES, rfc1123);
	http_header (cn->fd, HTTP_HEADER_END, NULL);
	forever () {
		pthread_cond_wait (&cn->img->img_cond, &cn->img->img_lock);
		log_print ("process_url() state=%d\n", cn->img->state);
		if (cn->img->state == ST_READY) {
			/* pthread_mutex_lock (&cn->img->img_lock); */
			if (stream) {
				sprintf (buf, "\n%s\n", BOUNDARY);
				write (cn->fd, buf, strlen(buf));
				sprintf (buf, "Content-Type: image/jpeg\n\n");
				write (cn->fd, buf, strlen(buf));
			}
			if (!write_jpeg (cn->img, cn->fd, cn->quality))
				return;
			/* pthread_mutex_unlock (&cn->img->img_lock); */
			if (!stream)
				break;
		}
	}
}

/*
 * child which handles an incoming connection
 */
void *
server_thread (void *data)
{
#define MAX_BUF	1024
#define MAX_ALL	4096
	conn_t *cn = (conn_t *) data;
	int len, inlen = 0;
	char buf  [MAX_BUF+1];
	char inbuf[MAX_ALL+1];
	char **args, *val;

	buf  [MAX_BUF] = '\0';
	inbuf[MAX_BUF] = '\0';

	if (cn->verbose)
		printf ("server_thread() state=%d\n", cn->img->state);

	forever () {
		len = read (cn->fd, buf, MAX_BUF);
		if (len <= 0) {
			/* client closed connection */
			goto CLIENT_END;
			return (NULL);
		}
		buf[len] = '\0';
		if (inlen + len > MAX_ALL) {
			log_print ("input overrun\n");
			break;
		}
		memcpy (inbuf+inlen, buf, len);
		inlen += len;
		if (strstr (inbuf, "\n\n")		||
			strstr (inbuf, "\r\n\r\n")	||
			strstr (inbuf, "\r\r")		)
			break;
	}
	inbuf[inlen] = '\0';
	cn->url = http_parse (inbuf, &args);
	if (cn->verbose > 1)
		log_print ("getting url=%s\n", cn->url);
	if (args) {
		val = http_arg_val (args, "refresh");
		if (val)	/* not used until now */
			cn->refresh = atof (val);
		val = http_arg_val (args, "quality");
		if (val)
			cn->quality = atoi (val);
	}
	if (cn->verbose > 2) {
		printf ("  quality=%d\n", cn->quality);
		printf ("  refresh=%f\n", cn->refresh);
	}
	process_url (cn);
	close (cn->fd);
	cn->img->childs--;
	if (args) {
		http_free_args (args);
	}
	free (cn->url);
	if (cn->verbose) {
		printf ("connection closed\n");
	}
CLIENT_END:
	pthread_detach (cn->thread);
	free (cn);
	return (NULL);
}

/*
 */
static void
on_sig_pipe (int signum)
{
	log_print ("** signal pipe received\n");
}

static void
on_signal (int signum)
{
	log_print ("%d received signal %d\n", getpid(), signum);
	exit (1);
}


/*
 * let's start up
 */
int
main (int argc, char *argv[])
{
	int c, sd, cd, fps = 25, input = -1;
	int verbose = 0, max_connections = 10;
	int width = 240, height = 180;
	int port = CAM_PORT;
	char *host = "localhost";	/* default host to run on */
	conn_t *cn;
	image_t *img;
	pthread_t ithread;
	camera_t cam;

	cam.dev = "/dev/video0";

	/* parse arguments
	 */
	while ((c = getopt (argc, argv, "vp:h:i:s:f:m:d:")) != EOF) {
		switch (c) {
			case 'd':
				cam.dev = optarg;
				break;
			case 'f':
				fps = atoi(optarg);
				break;
			case 'h':
				host = optarg;
				break;
			case 'i':
				input = atoi(optarg);
				break;
			case 'm':
				max_connections = atoi(optarg);
				break;
			case 'p':
				port = atoi (optarg);
				break;
			case 's':
				sscanf (optarg, "%dx%d", &width, &height);
				break;
			case 'v':
				verbose++;
				break;
			default:
				usage (argv[0]);
				break;
		}
	}

	if (verbose)
		log_print ("main thread pid = %d\n", getpid());

	img = malloc (sizeof (image_t) + 3 * MAX_WIDTH * MAX_HEIGHT);
	if (!img)
		exit (1);
	img->img = (unsigned char *)(img + 1);
	img->childs = 0;
	img->width = width;
	img->height= height;
	img->state = ST_NONE;
	img->input = input;
	cam.img = img;

	signal (SIGPIPE, on_sig_pipe);
	signal (SIGSEGV, on_signal);

	pthread_mutex_init (&img->childs_lock, NULL);
	pthread_mutex_init (&img->img_lock, NULL);
	pthread_cond_init  (&img->childs_cond, NULL);
	pthread_cond_init  (&img->img_cond, NULL);

	sd = bind_port (host, port);
	if (verbose)
		printf ("bind %s:%d to file descriptor %d\n", host, port, sd);
	if (sd < 0) {
		return (-1);
	}

	pthread_create (&ithread, NULL, image_thread, (void *)&cam);

	forever () {
		cd = accept_con (sd);
		if (cd < 0) {
			printf ("oops!? accept_con() returned < 0\n");
			continue;
		}
		if (verbose)
			printf ("incoming connection..\n");
		if ((img->childs+1) > max_connections) {
			if (verbose)
				printf ("too much connections!\n");
			continue;
		}
		pthread_mutex_lock (&img->childs_lock);
		img->childs++;
		pthread_cond_broadcast (&img->childs_cond);
		pthread_mutex_unlock (&img->childs_lock);

		cn = malloc (sizeof (conn_t));
		if (!cn)
			exit (2);
		cn->fd = cd;
		cn->img = img;
		cn->verbose = verbose;
		cn->quality = 75;

		if (verbose)
			printf ("serving connection, (childs=%d)\n", cn->img->childs);
		/* child */
		pthread_create (&cn->thread, NULL, server_thread, cn);
	}
	return (0);
}

w3cam-0.7.2/w3camd/Makefile0100644000076400000620000000107507412643155014213 0ustar  rascauser# Generated automatically from Makefile.in by configure.
#
# makefile for w3camd
#
prefix=/usr/local
sbindir=/usr/local/sbin

CFLAGS = -O2 -Wall -I/usr/local/include -I/usr/local/X11/include -I.. -I. -I/usr/local/include -g -DDEBUG -DCAM_PORT=8999 -D_REENTRANT
CC = gcc

default: w3camd

OBJ = w3camd.o w3socket.o w3v4l.o w3http.o w3jpeg.o

%.o: %.c
	$(CC) $(CFLAGS) -c $<

w3camd: $(OBJ)
	$(CC) -o $@ $(OBJ) -lpthread -ljpeg

install:
	install w3camd $(sbindir)/

clean:
	rm -f *.o w3camd

README: index.html
	lynx -dump http://www/~rasca/w3cam/w3camd/index.html >README

w3cam-0.7.2/w3camd/w3socket.c0100644000076400000620000000516707103321564014461 0ustar  rascauser/*
 * w3socket.c
 *
 * Copyright (C) 1998 - 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include 
#include 
#include 

#include "w3socket.h"

#define EMPTY '\0'
#define INIT_ADDR(addr) (memset((char *)&addr, '\0', sizeof (addr)))

/*
 * convert host name or number into the binary version,
 * returns "-1" on error.
 */
unsigned long
host_addr (char *host)
{
	unsigned long bhost = 0;
	struct hostent *hostp;

	if ((host == NULL) || (*host == EMPTY)) {
		return (INADDR_ANY);
	}
	if ((bhost = inet_addr (host)) > -1) {
		return (bhost);
	}
	if ((hostp = gethostbyname(host)) == NULL) {
		errno = EINVAL;
		return (-1);
	}
	if (hostp->h_addrtype != AF_INET) {
		errno = EINVAL;
		return (-1);
	}
	return (*((unsigned long *)hostp->h_addr));
}

/*
 * return the file descriptor
 */
int
bind_port (char *host, int port)
{
	int sd=0;
	struct sockaddr_in addr;
	int one = 1;

	INIT_ADDR(addr);

	addr.sin_family = AF_INET;
	addr.sin_addr.s_addr = host_addr(host);
	if (errno == EINVAL) {
		perror (host);
		return (-1);
	}
	if (sizeof (addr.sin_port) == sizeof(short)) {
		addr.sin_port = htons(port);
	} else {
		addr.sin_port = htonl(port);
	}
	if ((sd = socket (AF_INET, SOCK_STREAM, 0)) < 0) {
		perror (host);
		return (-1);
	}
#ifdef DEBUG
	printf ("%s, sd=%d host_addr()=%d\n", __FILE__, sd, addr.sin_addr.s_addr);
#endif
	setsockopt (sd, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof(one));
	if (bind (sd, (struct sockaddr *) &addr, sizeof (addr)) < 0) {
		close (sd);
		perror ("bind()");
		return (-1);
	}
	while (listen (sd, 3) == -1) {
		if (errno != EINTR) {
			return (-1);
		}
	}
	return (sd);
}

/*
 * block until next incoming connection
 */
int
accept_con (int sd)
{
	int nd = -1;
	int len;
	struct sockaddr raddr;

	do {
		nd = accept (sd, &raddr, &len);
	} while ((nd < 1) && (errno == EINTR));

	if (nd < 0) {
		return (-1);
	}
	return (nd);
}

w3cam-0.7.2/w3camd/w3socket.h0100644000076400000620000000157106627542307014473 0ustar  rascauser/*
 * w3socket.h
 *
 * Copyright (C) 1998 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __W3SOCKET_H__
#define __W3SOCKET_H__

int bind_port (char *, int);
int accept_con(int);
#endif

w3cam-0.7.2/w3camd/w3v4l.c0100644000076400000620000000636007150316203013666 0ustar  rascauser/*
 * w3v4l.c
 *
 * Copyright (C) 1998 - 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include "w3v4l.h"

/*
 */
video_t *
v4l_init (char *dev, int input, int width, int height)
{
	int fd;
	struct video_capability vid_caps;
	struct video_mbuf vid_mbuf;
	struct video_channel vid_chnl;
	video_t *vid;

	fd = open (dev, O_RDWR);
	if (fd == -1) {
		perror (dev);
		return (NULL);
	}
	if (ioctl (fd, VIDIOCGCAP, &vid_caps) == -1) {
		perror ("ioctl (VIDIOCGCAP)");
		return (NULL);
	}

	vid = malloc (sizeof (video_t));
	vid->fd = fd;
	if (ioctl (fd, VIDIOCGMBUF, &vid_mbuf) == -1) {
		struct video_window vid_win;
		vid->map_size = 0;
		if (ioctl(fd, VIDIOCGWIN, &vid_win) != -1) {
			vid_win.width = width;
			vid_win.height= height;
			ioctl (fd, VIDIOCSWIN, &vid_win);
		}
	} else {
		vid->map_size = vid_mbuf.size;
	}
#ifdef DEBUG
	printf ("%s: mbuf.size=%d\n", __FILE__, vid_mbuf.size);
#endif

	if (input > -1) {
		vid_chnl.channel = input;
		if (ioctl (fd, VIDIOCGCHAN, &vid_chnl) == -1) {
			perror ("ioctl (VIDIOCGCHAN)");
		} else {
			vid_chnl.channel = input;
			if (ioctl (fd, VIDIOCSCHAN, &vid_chnl) == -1) {
				perror ("ioctl (VIDIOCSCHAN)");
			}
		}
	}
	if (vid->map_size > 0) {
		vid->mem = mmap (0,vid->map_size, PROT_READ|PROT_WRITE,MAP_SHARED,fd,0);
		if ((unsigned char *) -1 == (unsigned char *)vid->mem) {
			perror ("mmap()");
			close (fd);
			free (vid);
			return (NULL);
		}
	} else {
		vid->mem = malloc (width * height * 3);
	}
	vid->width = width;
	vid->height= height;
	return (vid);
}

/*
 */
void
v4l_fini (video_t *vid)
{
	if (vid->fd >= 0) {
		if (vid->map_size == 0)
			free (vid->mem);
		else
			munmap (vid->mem, vid->map_size);
		close (vid->fd);
	}
	free (vid);
}

/*
 * return a new image
 */
int
v4l_image (video_t *vid)
{
	struct video_mmap vid_mmap;

	if (vid->map_size == 0) {
		printf ("%s: reading image .. \n", __FILE__);
		if (read (vid->fd, vid->mem, vid->width * vid->height * 3) <= 0) {
			free (vid->mem);
			return (0);
		}
	} else {
		vid_mmap.format = VIDEO_PALETTE_RGB24;
		vid_mmap.frame = 0;
		vid_mmap.width = vid->width;
		vid_mmap.height= vid->height;
		if (ioctl (vid->fd, VIDIOCMCAPTURE, &vid_mmap) == -1) {
			perror ("ioctl (VIDIOCMCAPTURE)");
			return (0);
		}
		if (ioctl (vid->fd, VIDIOCSYNC, &vid_mmap) == -1) {
			perror ("ioctl (VIDIOCSYNC)");
			return (0);
		}
	}
	printf ("%s: done\n", __FILE__);
	return (1);
}

w3cam-0.7.2/w3camd/w3v4l.h0100644000076400000620000000203507150312755013676 0ustar  rascauser/*
 * w3v4l.h
 *
 * Copyright (C) 1998 - 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __W3V4L_H__
#define __W3V4L_H__

typedef struct {
	int fd;
	int map_size;
	char *mem;	/* memory for the image */
	int width, height;
} video_t;

video_t *v4l_init  (char *, int, int, int);
void   v4l_fini  (video_t *);
int    v4l_image (video_t *);
#endif

w3cam-0.7.2/w3camd/w3http.c0100644000076400000620000001140507113426054014141 0ustar  rascauser/*
 * w3http.c
 *
 * Copyright (C) 1998 - 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include "w3http.h"

static http_code _http_status[] = {
	{100,	"Continue", 				sizeof("Continue")},
	{101,	"Switching Protocols",		sizeof("Switching Protocols")},
	{200,	"Ok",						sizeof("Ok")},
	{201,	"Created",					sizeof("Created")},
	{202,	"Accepted",					sizeof("Accepted")},
	{204,	"No Content",				sizeof("No Content")},
	{400,	"Bad Request",				sizeof("Bad Request")},
	{500,	"Internal Server Error",	sizeof("Internal Server Error")},
};

static http_code _http_header[] = {
	{HTTP_SERVER,		"Server: ",			sizeof ("Server: ")},
	{HTTP_CONTENT_TYPE,	"Content-Type: ",	sizeof ("Content-type: ")},
	{HTTP_CONTENT_LENGTH,"Content-Length: ",sizeof ("Content-length: ")},
	{HTTP_MIME_VERSION,	"MIME-Version: ",	sizeof ("MIME-Version: ")},
	{HTTP_EXPIRES,		"Expires: ",		sizeof ("Expires: ")},
	{HTTP_HEADER_END,	"\r\n",				sizeof ("\r\n")},
};

#define HTTP_PROTOCOL "HTTP/1.1"

#define STATUS_CHECK(n) if (n <0 || n>=HTTP_STATUS_END) no = HTTP_SERVER_ERROR;
#define STATUS_ASSIGN(n,c) c = &_http_status[no];

#define HEADER_CHECK(n) if (n <0 || n> HTTP_HEADER_END) no = HTTP_CONTENT_TYPE;
#define HEADER_ASSIGN(n,c) c = &_http_header[no];

/*
 */
int
http_status (int fd, int no)
{
	http_code *c;
	char buf[128];
	int rc;

	STATUS_CHECK(no);
	STATUS_ASSIGN(no,c);

	sprintf (buf, HTTP_PROTOCOL" %d %s\r\n", c->num, c->str);
	rc = write (fd, buf, strlen(buf));
	return (rc);
}

/*
 */
int
http_header (int fd, int no, char *value)
{
#define MAX_HEADER	2048
	http_code *c;
	char buf[MAX_HEADER+3];
	int rc, len;

	HEADER_CHECK(no);
	HEADER_ASSIGN(no,c);

	sprintf (buf, "%s", c->str);
	rc = write (fd, buf, strlen(buf));

	if (value) {
		len = strlen (value);
		if (len > MAX_HEADER)
			value = "--buffer too short!--";
		sprintf (buf, "%s\r\n", value);
		rc += write (fd, buf, strlen(buf));
	}
	return (rc);
}

/*
 */
static char *
hex_to_asc (const char *str, int len)
{
	char *p, *s;
	char buff[4];
	int chr;

	if (!str)
		return (NULL);
	s = (char *) malloc (len + 1);
	p = s;
	buff[2] = '\0';
	while (*str && len) {
		if (*str == '%') {
			strncpy (buff, str+1, 2);
			sscanf (buff, "%02X", &chr);
			*p = (unsigned char) chr;
			str += 3;
			len -= 3;
		} else {
			if (*str == '+')
				*p = ' ';
			else
				*p = *str;
			str++;
			len--;
		}
		p++;
	}
	*p = '\0';
	return (s);
}


/*
 */
static char **
parse_string (const char *str)
{
	char **kv = NULL;
	const char *p, *end;
	int num = 1, i;
	int len;

	if (!str)
		return (NULL);
	p = str;
	while ((p = strchr (p, '&')) != NULL) {
		num++;
		p++;
	}
	kv = (char **) calloc ((num * 2 +1), sizeof (char **));
	p = str;
	i = 0;
	do {
		len = 0;
		if (*p == '&') {
			p++;
		}
		end = p;
		while ((*end != '=') && (*end != '\0') && (*end != '&')) {
			len++;
			end++;
		}
		kv[i] = hex_to_asc (p, len);
		if (*end == '&') {
			/* variable has no value .. */
			p += len;
			i++;
			continue;
		}
		p += len+1;
		end = p;
		i++;
		len = 0;
		while ((*end != '&') && (*end != '\0')) {
			len++;
			end++;
		}
		kv[i] = hex_to_asc (p, len);
		if (len > 0)
			p++;
		i++;
	} while ((p = strchr (p, '&')) != NULL);
	return (kv);
}

/*
 */
char *
http_parse (char *buf, char ***args)
{
	char *url, *ep;
	int len;

	if (strncasecmp (buf, "GET ", 4))
		return (NULL);
	ep = strstr (buf, " HTTP/");
	if (!ep)
		ep = strstr (buf, " http/");
	if (!ep)
		return (NULL);

	len = ep - buf - 4;
	url = malloc (len+1);
	if (!url)
		return (NULL);
	strncpy (url, buf+4, len);
	url[len] = '\0';
	if (args) {
		char *p;
		if ((p = strchr (url, '?')) != NULL) {
			*args = parse_string (p+1);
		}
	}
#ifdef DEBUG2
	printf ("%s: get_url() buf=%s\n", __FILE__, buf);
#endif
	return (url);
}

/*
 */
char *
http_arg_val (char **args, char *key)
{
	char *val = NULL;
	if (!args)
		return (NULL);
	if (!key)
		return (NULL);
	while (*args) {
		if (strcmp (key, *args) == 0)
			return (*(args+1));
		args += 2;
	}
	return (val);
}

/*
 */
void
http_free_args (char **args)
{
	char **p;
	if (args) {
		p = args;
		while (*p) {
			free (*p++);
		}
		free (args);
	}
}

w3cam-0.7.2/w3camd/w3http.h0100644000076400000620000000256307101674177014163 0ustar  rascauser/*
 * w3http.h
 *
 * Copyright (C) 1998 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __W3HTTP_H__
#define __W3HTTP_H__

typedef struct {
	int num;
	char *str;
	int len;
} http_code ;

/* status types */
enum {
	HTTP_CONTINUE,
	HTTP_SWITCHING_PROTOCOLS,
	HTTP_OK,
	HTTP_CREATED,
	HTTP_ACCEPTED,
	HTTP_NO_CONTENT,
	HTTP_BAD_REQUEST,
	HTTP_SERVER_ERROR,
	HTTP_STATUS_END,
};

/* header types */
enum {
	HTTP_SERVER,
	HTTP_CONTENT_TYPE,
	HTTP_CONTENT_LENGTH,
	HTTP_MIME_VERSION,
	HTTP_EXPIRES,
	HTTP_HEADER_END,
};

int http_status (int, int);
int http_header (int, int, char *);
char *http_parse (char *, char ***);
char *http_arg_val (char **, char *);
void http_free_args (char **);

#endif
w3cam-0.7.2/w3camd/Makefile.in0100644000076400000620000000072007103315710014602 0ustar  rascauser#
# makefile for w3camd
#
prefix=@prefix@
sbindir=@prefix@/sbin

CFLAGS = @CFLAGS@ -I.. -I. -I@prefix@/include -g -DDEBUG -DCAM_PORT=8999 -D_REENTRANT
CC = @CC@

default: w3camd

OBJ = w3camd.o w3socket.o w3v4l.o w3http.o w3jpeg.o

%.o: %.c
	$(CC) $(CFLAGS) -c $<

w3camd: $(OBJ)
	$(CC) -o $@ $(OBJ) -lpthread -ljpeg

install:
	install w3camd $(sbindir)/

clean:
	rm -f *.o w3camd

README: index.html
	lynx -dump http://www/~rasca/w3cam/w3camd/index.html >README

w3cam-0.7.2/w3camd/w3jpeg.c0100644000076400000620000000551207111545323014110 0ustar  rascauser/*
 * w3jpeg.c
 * plain io destination manager (write())
 *
 * Copyright (C) 1998 - 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include "w3jpeg.h"

typedef struct {
	struct jpeg_destination_mgr pub;
	int fd;
	JOCTET *buffer;
} my_destination_mgr;

typedef my_destination_mgr *my_dest_ptr;
#define OUTPUT_BUF_SIZE 2048


/*
 * initialize buffer
 */
METHODDEF(void)
init_destination (j_compress_ptr cinfo)
{
	my_dest_ptr dest = (my_dest_ptr) cinfo->dest;

	dest->buffer = (JOCTET *)
		(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
		OUTPUT_BUF_SIZE * sizeof(JOCTET));

	dest->pub.next_output_byte = dest->buffer;
	dest->pub.free_in_buffer = OUTPUT_BUF_SIZE;
}

/*
 * flush buffer to filedescriptor
 */
METHODDEF(boolean)
empty_output_buffer (j_compress_ptr cinfo)
{
	my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
	if (write (dest->fd, dest->buffer, OUTPUT_BUF_SIZE) != OUTPUT_BUF_SIZE) {
#ifdef DEBUG_JPEG
		fprintf (stderr, "%s: empty_output_buffer()\n", __FILE__);
#endif
		return (FALSE);
		ERREXIT(cinfo, JERR_FILE_WRITE);
	}
	dest->pub.next_output_byte = dest->buffer;
	dest->pub.free_in_buffer = OUTPUT_BUF_SIZE;
	return (TRUE);
}

/*
 */
METHODDEF(void)
term_destination(j_compress_ptr cinfo)
{
	my_dest_ptr dest = (my_dest_ptr) cinfo->dest;
	size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer;

	if (datacount > 0) {
		if (write (dest->fd, dest->buffer, datacount) != datacount) {
#ifdef DEBUG_JPEG
			fprintf (stderr, "%s: term_destination()\n", __FILE__);
#endif
			return;
			ERREXIT(cinfo, JERR_FILE_WRITE);
		}
	}
}


/*
 */
GLOBAL(void)
jpeg_io_dest (j_compress_ptr cinfo, int fd)
{
	my_dest_ptr dest;
	if (cinfo->dest == NULL) {
		cinfo->dest = (struct jpeg_destination_mgr *)
			(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_PERMANENT,
			sizeof(my_destination_mgr));
	}
#ifdef DEBUG_JPEG
			fprintf (stderr, "%s: jpeg_io_dest()\n", __FILE__);
#endif
	dest = (my_dest_ptr) cinfo->dest;
	dest->pub.init_destination = init_destination;
	dest->pub.empty_output_buffer = empty_output_buffer;
	dest->pub.term_destination = term_destination;
	dest->fd = fd;
}

w3cam-0.7.2/w3camd/w3jpeg.h0100644000076400000620000000155106630546105014120 0ustar  rascauser/*
 * w3jpeg.h
 *
 * Copyright (C) 1998 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __W3JPEG_H__
#define __W3JPEG_H__
void jpeg_io_dest (j_compress_ptr, int);
#endif

w3cam-0.7.2/w3camd/test.html0100644000076400000620000000015606630620324014411 0ustar  rascauser





/image?..



w3cam-0.7.2/w3camd/index.html0100644000076400000620000000144407101676774014560 0ustar  rascauser

w3camd



w3camd 0.2, simple webcam daemon


w3camd is part of the w3cam-package and is distributed
under the GNU GPL. (c) Rasca, Berlin 1998

w3camd needs the jpeg library. Warning: w3camd is
still in early alpha state, this code is distributed only
for developers!


Options:

	-v       verbose mode
	-p #     port number (default: 8999)
	-h host  host name to bind to (default: localhost)
	-m #     max connections to serve (default: 10)
	-s #x#	 size of image
	-i input 0=TV, 1=comp1, 2=comp2, 3=s-video
	-d dev   camera device, default: /dev/video0


	


Test-link:
	/image?quality=55




rasca,
27. Apr 2000 - 01:38





w3cam-0.7.2/w3camd/README0100644000076400000620000000146207101677000013422 0ustar  rascauser
w3camd 0.2, simple webcam daemon

   w3camd is part of the w3cam-package and is distributed under the GNU
   GPL. (c) Rasca, Berlin 1998
   
   w3camd needs the jpeg library. Warning: w3camd is still in early alpha
   state, this code is distributed only for developers!
   
   Options:
        -v       verbose mode
        -p #     port number (default: 8999)
        -h host  host name to bind to (default: localhost)
        -m #     max connections to serve (default: 10)
        -s #x#   size of image
        -i input 0=TV, 1=comp1, 2=comp2, 3=s-video
        -d dev   camera device, default: /dev/video0

   Test-link: [1]/image?quality=55
     _________________________________________________________________
   
   
    rasca, 27. Apr 2000 - 01:38

References

   1. http://localhost:8999/image?quality=55
w3cam-0.7.2/w3camd/w3log.h0100644000076400000620000000152707103315673013757 0ustar  rascauser/*
 * w3log.h
 *
 * Copyright (C) 2000 Rasca, Berlin
 * EMail: thron@gmx.de
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __W3LOG_H__
#define __W3LOG_H__

#define log_print printf
#endif

w3cam-0.7.2/w3camd/w3camd.fig0100644000076400000620000000064307112331517014411 0ustar  rascauser#FIG 3.2
Landscape
Center
Metric
A4      
100.00
Single
-2
1200 2
2 2 0 1 0 7 0 0 -1 0.000 0 0 -1 0 0 5
	 1350 4050 2700 4050 2700 4950 1350 4950 1350 4050
2 2 0 1 0 7 0 0 -1 0.000 0 0 -1 0 0 5
	 3600 4050 4950 4050 4950 4950 3600 4950 3600 4050
2 2 0 1 0 7 0 0 -1 0.000 0 0 -1 0 0 5
	 5850 4050 7200 4050 7200 4950 5850 4950 5850 4050
2 1 0 1 0 7 0 0 -1 0.000 0 0 -1 1 0 2
	1 1 1.00 60.00 120.00
	 2700 4500 3600 4500
w3cam-0.7.2/cgi.c0100644000076400000620000004463407373452116012314 0ustar  rascauser/*
 * CGI C-library, v1.1.1
 *
 * Copyright (C) '97,'98,'.. Rasca, Berlin
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 		/* getenv() */
#include 		/* printf() */
#include 		/* strcat() */
#include 		/* PATH_MAX */
#include 		/* getpid() */
#include 	/* stat() */
#include /* uname() */
#include 		/* time() */
#include "cgi.h"

#define MAX_LINE	1024
#define EMPTY		'\0'

static char *cgi_background = NULL;
static char *cgi_foreground = NULL;
static char *cgi_stylesheet = NULL;
static char *cgi_source_url = NULL;
static char *cgi_loggingdir = NULL;
static char *cgi_defaultmta = NULL;
static char *cgi_bottomline = NULL;
static char *cgi_meta_desc = NULL;
static char *cgi_meta_keyw = NULL;
static char **cgi_form = NULL;
static char **cgi_cfg = NULL;
static char *program = NULL;
static const char *prog_wp = NULL;
static int  run_as_nph = 0;
static int  cgi_refresh_time = 0;
static char *cgi_refresh_url = 0;

/* http 1.0 status codes
 */
static http_code http[] =
	{ /*
	status code, reason-phrase
		*/
	{ 100, "Continue" },						/* 1.1 */
    { 200, "Ok" },
    { 201, "Created" },
    { 202, "Accepted" },
	{ 203, "Non-Authoritative Information"},	/* 1.1 */
    { 204, "No Content" },
	{ 205, "Reset Content" },					/* 1.1 */
    { 301, "Moved Permanently" },
    { 302, "Moved Temporarily" },
    { 304, "Not Modified" },
	{ 305, "Use Proxy" },						/* 1.1 */
    { 400, "Bad Request" },
    { 401, "Unauthorized" },
    { 403, "Forbidden" },
    { 404, "Not Found" },
	{ 410, "Gone" },							/* 1.1 */
    { 500, "Internal Server Error" },
    { 501, "Not Implemented" },
    { 502, "Bad Gateway" },
    { 503, "Service Unavailable" },
    { 000, NULL },
    };

/*
 * return RFC 822, 1123 date string
 * next call will override previous value!
 */
char *
cgi_gmt_str (long date)
{
	char *day[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
	char *mon[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
				    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
	static char str[48];	/* should be enough */
	struct tm *s;

	s = gmtime (&date);
	sprintf (str, "%s, %02d %s %d %02d:%02d:%02d GMT", day[s->tm_wday],
			s->tm_mday, mon[s->tm_mon], s->tm_year + 1900, s->tm_hour,
			s->tm_min, s->tm_sec);
	return (str);
}


/*
 * returns the url, where the cgi is included/started
 */
const char *
cgi_url_ref ()
{
	char *url;
	static char urlb[URL_MAX+1];

	url = getenv ("HTTP_REFERER");
	if (!url) {
		/* not CGI conform, but try ..
		 */
		url = getenv ("REFERER_URL");
	}
	if (!url) {
		url = getenv ("DOCUMENT_URI");
		if (url) {
			urlb[0] = '\0';
			strcat (urlb, "http://");
			strcat (urlb, cgi_server_name());
			strcat (urlb, ":");
			strcat (urlb, getenv("SERVER_PORT"));
			strcat (urlb, url);
			url = urlb;
		} else {
			const char *server;
			/* may be lynx is starting local CGIs ..? */
			server = cgi_server_software();
			if (server && prog_wp) {
				if (strstr (server, "Lynx")) {
					if ((strlen (prog_wp) + 8) < URL_MAX) {
						sprintf (urlb, "lynxcgi:%s", prog_wp);
						url = urlb;
					}
				}
			}
		}
	}
	if (url) {
		if (*url == '\0') {
			url = NULL;
		}
	}
	return (url);
}


/*
 * returns the name of the server software
 */
const char *
cgi_server_software (void)
{
	return (getenv ("SERVER_SOFTWARE"));
}

/*
 * returns the name of the server
 */
const char *
cgi_server_name (void)
{
	const char *sn;
	struct utsname un;

	sn = getenv ("SERVER_NAME");
	if (!sn) {
		sn = getenv ("HOSTNAME");
		if (!sn) {
			uname (&un);
			sn = un.nodename;
		}
	}
	return (sn);
}

/*
 * returns the name of the script
 */
const char *
cgi_script_name (void)
{
	const char *sn = NULL;
	const char *server;
	static char url[URL_MAX+1];

	sn = getenv ("SCRIPT_NAME");
	if (!sn) {
		/* lynx cgi ? */
		server = cgi_server_software();
		if (server && prog_wp) {
			if (strstr (server, "Lynx")) {
				if ((strlen (prog_wp) + 8) < URL_MAX) {
					sprintf (url, "lynxcgi:%s", prog_wp);
					sn = url;
				}
			}
		}
	}
	return (sn);
}

/*
 * returns the name of the browser software
 */
const char *
cgi_client_software (void)
{
	return (getenv ("HTTP_USER_AGENT"));
}

/*
 */
const char *
cgi_remote_host (void)
{
	const char *host;

	host = getenv ("REMOTE_HOST");
	if (!host)
		return ( getenv ("REMOTE_ADDR") );
	return ( host );
}

/*
 * print a http status line
 */
void
cgi_status (int num)
{
	printf ("HTTP/1.0 %d %s\r\n", http[num].num, http[num].str);
}

/*
 * send the content type given in "ct", if "name" is not
 * NULL it is added in the following way, e.g.
 * Content-Type: text/html; name="foo.gif"
 */
void
cgi_content_type (const char *ct, const char *name)
{
	if (run_as_nph) {
		cgi_status (http_ok);
		printf ("Server: %s/libcgi/%s\r\n", program, VER);
		printf ("Date: %s\r\n", cgi_gmt_str (time(NULL)));
	}
	if (name) {
		printf ("Content-Type: %s; name=\"%s\"\r\n\r\n", ct, name);
	} else {
		printf ("Content-Type: %s\r\n\r\n", ct);
	}
}

/*
 */
void
cgi_multipart (const char *boundary)
{
	if (run_as_nph) {
		cgi_status (http_ok);
		printf ("Server: %s/libcgi/%s\r\n", program, VER);
		printf ("Date: %s\r\n", cgi_gmt_str (time(NULL)));
	}
	printf ("Content-Type: multipart/x-mixed-replace;boundary=%s\n", boundary);
	printf ("\n%s\n", boundary);
}

/*
 * send a status line and content type if 'content_t' is not NULL,
 * e.g. cgi_response (http_ok, "text/html");
 */
void
cgi_response (int num, char *content_t)
{
	if (run_as_nph) {
		cgi_status (num);
		printf ("Server: %s/libcgi/%s\r\n", program, VER);
		printf ("Date: %s\r\n", cgi_gmt_str (time(NULL)));
	}
	if (content_t) {
		printf ("Content-Type: %s\r\n", content_t);
	}
	printf ("\r\n");
}

/*
 * return the base url
 */
const char *
cgi_base (void)
{
	static char base[URL_MAX+1];
	const char *url_ref, *p;
	int i, len;

	url_ref = cgi_url_ref();
	if (url_ref) {
		len = strlen (url_ref);
		if (url_ref[len-1] == '/') {
			strcpy (base, url_ref);
		} else {
			p = strrchr (url_ref, '/');
			if (p) {
				i = 0;
				while (url_ref < (p+1)) {
					base[i] = *url_ref;
					url_ref++;
					i++;
				}
				base[i] = '\0';
			} else {
				/* should never be reached ..! */
				return (NULL);
			}
		}
		return (base);
	}
	return (NULL);
}

/*
 * redirect to the given url, which could be a relative or an
 * absolute url. note: relative urls could be a problem with
 * some browsers, cause sometimes there is no way to find out
 * the "REFERER"..
 */
void
cgi_redirect (const char *url)
{
	const char *p, *s, *hash;
	char buff[URL_MAX+1];

	if (run_as_nph) {
		cgi_status (http_moved_permanently);
		printf ("Server: %s/libcgi/%s\r\n", program, VER);
		printf ("Date: %s\r\n", cgi_gmt_str (time(NULL)));
	}
	if (strstr (url, "://") > url) {
		/* its an absolute URL ..
		 */
		printf ("Location: %s\r\n", url);
	} else if (*url == '/') {
		/* relative URL which starts at the root
		 */
		if ((s = p = cgi_base ()) != NULL ) {
			int i;
			for (i = 0; i < 3; i++) {
				if (p) {
					p = strchr (p, '/');
				}
				p++;
			}
			if (p) {
				strncpy (buff, s, p-s-1);
				buff[p-s-1] = '\0'; 
				printf ("Location: %s%s\r\n", buff, url);
			} else {
				printf ("Location: %s\r\n", url);
			}
		} else {
			printf ("Location: %s\r\n", url);
		}
	} else if (*url == '#') {
		p = cgi_url_ref();
		if (p) {
			hash = strrchr (p, '#');
			if (!hash) {
				printf ("Location: %s%s\r\n", p, url);
			} else {
				/* there is still a name value, we have to remove it ..
				 */
				strncpy (buff, p, hash-p);
				buff[hash-p] = '\0';
				strcat (buff, url);
				printf ("Location: %s\r\n", buff);
			}
		} else
			printf ("Location: %s\r\n", url);
	} else {
		/* some other kind of relative URL..
		 */
		p = cgi_base();
		printf ("Location: %s%s\r\n", p ? p:"", url);
	}
	printf ("Content-Type: text/html\r\n\r\n");
}

/*
 * lock a name file
 */
int
cgi_lock (const char *file)
{
	char pfile[PATH_MAX+1];
	char lfile[PATH_MAX+1];
	FILE *pfp;
	int pid, loop;
	struct stat info;

	loop = 5; /* try five times to lock .. */
	pid = getpid();
	strcpy (pfile, file);
	sprintf (pfile+strlen(file), ".%d", pid);
	strcpy (lfile, file);
	strcat (lfile, ".LCK");

	pfp = fopen (pfile, "wb");
	if (!pfp) {
		perror (pfile);
		return (0);
	}
	fwrite (&pid, sizeof (pid), 1, pfp);
	fclose (pfp);
	while ((stat (lfile, &info) == 0) || (link (pfile, lfile) != 0)) {
		sleep (1);
		loop--;
		if (loop < 1) {
			unlink (pfile);
			return (0);
		}
	}
	return (1);
}


/*
 * unlock the named file
 */
int
cgi_unlock (const char *file)
{
	char pfile[PATH_MAX+1];
	char lfile[PATH_MAX+1];
	int pid;

	pid = getpid();
	strcpy (pfile, file);
	sprintf (pfile+strlen(file), ".%d", pid);
	strcpy (lfile, file);
	strcat (lfile, ".LCK");
	unlink (pfile);
	unlink (lfile);
	return (1);
}



/*
 */
void
cgi_html_start (const char *title)
{
	printf ("\n");
	printf ("\n");
	printf ("\t%s\n", title);
	if (cgi_source_url) {
		printf ("\t\n", cgi_source_url);
	}
	if (cgi_meta_desc) {
		printf ("\t\n",
				cgi_meta_desc);
	}
	if (cgi_meta_keyw) {
		printf ("\t\n",
				cgi_meta_keyw);
	}
	if (cgi_refresh_time > 0) {
		printf ("\t\n", cgi_refresh_url);
		else if (getenv("QUERY_STRING"))
			printf ("%s?%s'\">\n", cgi_script_name(), getenv("QUERY_STRING"));
		else
			printf ("%s'\">\n", cgi_script_name());
	}
	if (cgi_stylesheet) {
		printf ("\t\n", cgi_stylesheet);
	}
	printf ("\n");
	printf ("\n");
}

/*
 */
void
cgi_html_end (const char *s)
{
	if (s) {
		printf ("%s\n", s);
	}
	if (cgi_bottomline) {
		printf ("%s\n", cgi_bottomline);
	}
	printf ("\n\n");
}


/*
 */
const char *
cgi_sourceURL (void)
{
	return (cgi_source_url);
}

/*
 */
const char *
cgi_logdir (void)
{
	return (cgi_loggingdir);
}

/*
 */
const char *
cgi_defaultMTA (void)
{
	return (cgi_defaultmta);
}

/*
 */
int
cgi_init (const char *pname)
{
#	define CFG_bg	"background"
#	define CFG_fg	"foreground"
#	define CFG_css	"stylesheet"
#	define CFG_src	"source_url"
#	define CFG_log	"loggingdir"
#	define CFG_btl	"bottomline"
#	define CFG_mta	"detaultMTA"
#	define CFG_desc	"meta_desc"
#	define CFG_keyw	"meta_keyw"
	char cfgfile[PATH_MAX+1];
	char buff[MAX_LINE], *p;
	char key[256], value[256];
	FILE *fp;
	int len;
	int cfg_num = 0;

	prog_wp = pname;
	program = strrchr (pname, '/');
	if (program) program++;
	else program = (char *)pname;
	if (strstr (program, "nph-"))
		run_as_nph = 1;
	strcpy (cfgfile, pname);
	strcat (cfgfile, ".scf");
	fp = fopen (cfgfile, "rb");
	if (!fp) {
		return (0);
	}
	while (fgets (buff, MAX_LINE, fp) != NULL) {
		p = buff;
		while (*p && (*p == ' ' || *p == '\t'))
			p++;
		if (*p == '#')
			continue;
		*value = EMPTY;
		sscanf (p, " %[^= \t] = %[^\n]", key, value);
		if (*value) {
			len = strlen (value);
			if (len > 0) {
				if (*value == '"') {
					/* remove quote chars */
					memmove (value, value+1, len + 1);
					p = strrchr (value, '"');
					if (p)
						*p = EMPTY;
				} else {
					/* use last white char as end point */
					p = strchr (value, '\t');
					if (p)
						*p = EMPTY;
					else {
						p = strchr (value, ' ');
						if (p)
							*p = EMPTY;
					}
				}
			}
		} else {
			continue;
		}
#ifdef DEBUG
		fprintf (stderr, "key=%s, value=%s\n", key, value);
#endif
		len = strlen (key);
		if ((len == strlen (CFG_bg)) && (strcmp (key, CFG_bg) ==0)) {
			cgi_background = (char *) malloc (strlen (value) +1);
			strcpy (cgi_background, value);
		} else
		if ((len == strlen (CFG_fg)) && (strcmp (key, CFG_fg) ==0)) {
			cgi_foreground = (char *) malloc (strlen (value) +1);
			strcpy (cgi_foreground, value);
		} else
		if ((len == strlen (CFG_css)) && (strcmp (key, CFG_css) ==0)) {
			cgi_stylesheet = (char *) malloc (strlen (value) +1);
			strcpy (cgi_stylesheet, value);
		} else
		if ((len == strlen (CFG_src)) && (strcmp (key, CFG_src) ==0)) {
			cgi_source_url = (char *) malloc (strlen (value) +1);
			strcpy (cgi_source_url, value);
		} else
		if ((len == strlen (CFG_log)) && (strcmp (key, CFG_log) ==0)) {
			cgi_loggingdir = (char *) malloc (strlen (value) +1);
			strcpy (cgi_loggingdir, value);
		} else
		if ((len == strlen (CFG_btl)) && (strcmp (key, CFG_btl) ==0)) {
			cgi_bottomline = (char *) malloc (strlen (value) +1);
			strcpy (cgi_bottomline, value);
		} else
		if ((len == strlen (CFG_mta)) && (strcmp (key, CFG_mta) ==0)) {
			cgi_defaultmta = (char *) malloc (strlen (value) +1);
			strcpy (cgi_defaultmta, value);
		} else
		if ((len == strlen (CFG_desc)) && (strcmp (key, CFG_desc) ==0)) {
			cgi_meta_desc = (char *) malloc (strlen (value) +1);
			strcpy (cgi_meta_desc, value);
		} else
		if ((len == strlen (CFG_keyw)) && (strcmp (key, CFG_keyw) ==0)) {
			cgi_meta_keyw = (char *) malloc (strlen (value) +1);
			strcpy (cgi_meta_keyw, value);
		} else {
			/* private configuration data
			 */
			cfg_num += 2;
			if (cfg_num == 2) {	/* first time */
				cgi_cfg = calloc (3, sizeof(char *));
			} else {
				cgi_cfg = realloc (cgi_cfg, (cfg_num+1) * sizeof (char *));
			}
			cgi_cfg[cfg_num-2] = strdup (key);
			cgi_cfg[cfg_num-1] = strdup (value);
			cgi_cfg[cfg_num] = NULL;
		}
	}
	fclose (fp);
	return (1);
}


/*
 */
int
cgi_content (void)
{
	char *c;
	c = getenv ("CONTENT_TYPE");
	if (c) {
		if (strstr (c, "multipart/form-data"))
			return (MULTIPART_FORM);
	}
	return (0);
}


/*
 * returns the method: CGI_METHOD_{GET|POST|PUT}
 */
int
cgi_method (void)
{
	const char *method;
	int rc = 0;

	method = getenv ("REQUEST_METHOD");
	if (method) {
		if (strcmp (method, "GET") == 0)
			rc = CGI_METHOD_GET;
		else if (strcmp (method, "POST") == 0)
			rc = CGI_METHOD_POST;
		else if (strcmp (method, "PUT") == 0)
			rc = CGI_METHOD_PUT;
		else if (strcmp (method, "DELETE") == 0)
			rc = CGI_METHOD_DELETE;
	}
	return (rc);
}

/*
 */
static char *
hex_to_asc (const char *str, int len)
{
	char *p, *s;
	char buff[4];
	int chr;

	if (!str)
		return (NULL);
	s = (char *) malloc (len + 1);
	p = s;
	buff[2] = '\0';
	while (*str && len) {
		if (*str == '%') {
			strncpy (buff, str+1, 2);
			sscanf (buff, "%02X", &chr);
			*p = (unsigned char) chr;
			str += 3;
			len -= 3;
		} else {
			if (*str == '+')
				*p = ' ';
			else
				*p = *str;
			str++;
			len--;
		}
		p++;
	}
	*p = '\0';
	return (s);
}


/*
 */
char **
cgi_parse_string (const char *str)
{
	char **kv = NULL;
	const char *p, *end;
	int num = 1, i;
	int len;

	if (!str)
		return (NULL);
	p = str;
	while ((p = strchr (p, '&')) != NULL) {
		num++;
		p++;
	}
	kv = (char **) calloc ((num * 2 +1), sizeof (char **));
	p = str;
	i = 0;
	do {
		len = 0;
		if (*p == '&') {
			p++;
		}
		end = p;
		while ((*end != '=') && (*end != '\0') && (*end != '&')) {
			len++;
			end++;
		}
		kv[i] = hex_to_asc (p, len);
		if (*end == '&') {
			/* variable has no value .. */
			p += len;
			i++;
			continue;
		}
		p += len+1;
		end = p;
		i++;
		len = 0;
		while ((*end != '&') && (*end != '\0')) {
			len++;
			end++;
		}
		kv[i] = hex_to_asc (p, len);
		if (len > 0)
			p++;
		i++;
	} while ((p = strchr (p, '&')) != NULL);
	return (kv);
}

/*
 * return content length as int
 */
int
cgi_content_length (void)
{
	const char *len_env;
	int len = 0;

	len_env = getenv ("CONTENT_LENGTH");
	if (!len_env)
		return (0);
	sscanf (len_env, " %d ", &len);
	return (len);
}

/*
 * read multipart request
 * still not ready!
 */
mime **
cgi_parse_multipart (void)
{
	mime **mpart = NULL;
	char *boundary;
	char line[MAX_LINE];
	int len, sl, read = 0, max = MAX_LINE;

	boundary = getenv("CONTENT_TYPE");
	boundary = strstr (boundary, "boundary=");
	len = cgi_content_length ();
	if (!boundary || !len)
		return (NULL);

	if (len < MAX_LINE)
		max = len;
	boundary += 9;
	do {
		/* find the start boundary
		 */
		fgets (line, max, stdin);
		read += strlen (line);
		if (strstr (line, boundary))
			break;
	} while (read < len);

	printf ("found\n");
	do {
		fgets (line, max, stdin);
		sl = strlen (line);
		if (sl >= 20) {
			if (strncasecmp (line, "content-disposition:", 20)) {
			}
		}
		read += sl;
	} while (read < len);
	return (mpart);
}


/*
 * read stdin and encode query data
 */
char **
cgi_parse_stdin (void)
{
	char **form = NULL;
	char *buff;
	int len;

	len = cgi_content_length();
	if (!len)
		return (NULL);
	buff = (char *) malloc (len+1);
	buff[len] = '\0';
	fread (buff, 1, len, stdin);
	form = cgi_parse_string(buff);
	free (buff);
	return (form);
}

/*
 */
char **
cgi_parse_query (void)
{
	char *qs = getenv ("QUERY_STRING");
	if (!qs)
		return (NULL);
	return (cgi_parse_string (qs));
}

/*
 * parse a formular, not depending on the request method
 * PUT method not done until now
 */
char **
cgi_parse_form (void)
{
	int method;

	/* changes globals! (cgi_form) */
	method = cgi_method();
	if (method == CGI_METHOD_POST) {
		if (cgi_content() == MULTIPART_FORM)
			cgi_form = (char **) cgi_parse_multipart ();
		else
			cgi_form = cgi_parse_stdin();
	} else if (method == CGI_METHOD_GET)
		cgi_form = cgi_parse_query();
	else
		cgi_form = NULL;
	return (cgi_form);
}

/*
 * return the corresponding value for a given key
 */
char *
cgi_form_value (const char *key)
{
	char **form;
	if (!key)
		return (NULL);
	if (!cgi_form)
		return (NULL);
	form = cgi_form;
	while (*form) {
		if (strcmp (key, *form) == 0)
			return (*(form+1));
		form += 2;
	}
	return (NULL);
}

/*
 * return the corresponding value for a given key
 */
char *
cgi_cfg_value (const char *key)
{
	char **cfg;
	if (!key)
		return (NULL);
	if (!cgi_cfg)
		return (NULL);
	cfg = cgi_cfg;
	while (*cfg) {
		if (strcmp (key, *cfg) == 0)
			return (*(cfg+1));
		cfg += 2;
	}
	return (NULL);
}

/*
 * set refresh time, use 0 to disable
 */
void
cgi_refresh (int t, char *url)
{
	cgi_refresh_time = t;
	cgi_refresh_url = url;
}

w3cam-0.7.2/cgi.h0100644000076400000620000000523107373452122012304 0ustar  rascauser/*
 * public header for cgi.c
 *
 * Copyright (C) '97,'98 Rasca, Berlin
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#define URL_MAX	2048

#define CGI_METHOD_HEAD		1
#define CGI_METHOD_GET		2
#define CGI_METHOD_POST		3
#define CGI_METHOD_PUT		4
#define CGI_METHOD_DELETE	5
#define CGI_METHOD_LINK		6
#define CGI_METHOD_UNLINK	7

#ifndef VER
#define VER "1.1"
#endif

#define MULTIPART_FORM	1

typedef struct {
	int num;
	char *str;
} http_code;

/*
 * http 1.0 and 1.1 status codes
 */
enum {
	http_continue,
	http_ok,
	http_created,
	http_accepted,
	http_non_authoritative,
	http_no_content,
	http_reset_content,
	http_moved_permanently,
	http_moved_temporarily,
	http_not_modyfied,
	http_use_proxy,
	http_bad_request,
	http_unauthorized,
	http_forbidden,
	http_not_found,
	http_gone,
	http_internal_server_error,
	http_not_implemented,
	http_bad_gateway,
	http_service_unavailable,
};

typedef struct {
	char *name;
	char *filename;
	char *data;
	char *content_type;
	char *boundary;
	int content_encoding;
	int content_length;
} mime;

int cgi_init (const char *);
void cgi_response (int status_num, char *content_type);
void cgi_status (int status_num);
const char *cgi_url_ref (void);
const char *cgi_base (void);
const char *cgi_server_software (void);
const char *cgi_server_name (void);
const char *cgi_client_software (void);
const char *cgi_script_name (void);
void cgi_content_type (const char *ct, const char *name);
void cgi_html_start (const char *);
void cgi_html_end (const char *);
void cgi_redirect (const char *);
int cgi_lock (const char *);
int cgi_unlock (const char *);
char **cgi_parse_form (void);
char **cgi_parse_stdin (void);
char **cgi_parse_query (void);
char **cgi_parse_string (const char *s);
char *cgi_form_value (const char *);
char *cgi_cfg_value (const char *);
const char *cgi_logdir();
const char *cgi_sourceURL();
const char *cgi_defaultMTA();
int cgi_content (void);
int cgi_method (void);
char *cgi_gmt_str (long date);
void cgi_refresh (int, char *);
void cgi_multipart (const char *);
w3cam-0.7.2/README0100644000076400000620000000512307412661634012255 0ustar  rascauser
                            w3cam, Version 0.7.2
                                      
    [1]Rasca, Berlin 1998-2001, published under the [2]GNU GPL
   Note: This [3]CGI is for [4]Linux running a kernel of the [5]2.2.X
   series or newer!
   
   w3cam is a simple CGI to retrieve images from a so called video4linux
   device. In other words this program will only run on Linux machines
   which support a video4linux-device.
   
   w3cam supports a plain mode and a gui mode. In the gui mode a html
   with a form is supplied to change some parameters with the mouse ..
   
     * Supported output formats: [6]PNG, [7]JPEG and PPM
     * Screen dumps in GUI mode [8]double.jpg
     * Installation: run 'configure & make install' and edit the
       installed w3cam.cgi.scf file for the runtime configuration.
     * Usage: Install the CGI and then call {url}/w3cam.cgi?help
     * Download source code: [9]w3cam-0.7.2.tar.gz
     * Needed Libraries: [10]libz, libpng, libjpeg
     * Checkout [11]ChangeLog for changes since the last release.
     * Tips:
          + Don't use refresh=0 if you are not the only one, who want to
            access the video, cause this will lock the v4l device.
          + Set refresh=-1 if the image is NOT embedded in a
            [12]HTML-page (or set it at compile time as the default or at
            runtime in the configuration file).
          + Use w3cam.css to change the layout (don't forget to install
            and define the URL in the config file..)
     * Problems?: [13]Mini FAQ, and also consult the included
       documentation and HTML samples.
     * Links:
          + [14]Video4Linux
          + [15]Video 4 Linux Resources
          + [16]bttv Driver
          + [17]FreeType Library
          + [18]Motion
     _________________________________________________________________
   
   
    rasca , 27. Dec 2001 - 18:28

References

   1. http://home.pages.de/~rasca/
   2. http://home.pages.de/~rasca/w3cam/COPYING
   3. http://hoohoo.ncsa.uiuc.edu/cgi/
   4. http://www.linux.org/
   5. ftp://ftp.kernel.org/pub/linux/kernel/v2.2/
   6. http://www.libpng.org/pub/png/
   7. http://www.jpeg.org/
   8. http://home.pages.de/~rasca/w3cam/double.jpg
   9. http://home.pages.de/~rasca/w3cam-0.7.2.tar.gz
  10. http://www.zlib.org/
  11. http://home.pages.de/~rasca/w3cam/ChangeLog.txt
  12. http://www.w3.org/MarkUp/
  13. http://home.pages.de/~rasca/w3cam/FAQ.txt
  14. http://roadrunner.swansea.uk.linux.org/v4l.shtml
  15. http://www.exploits.org/v4l/
  16. http://www.metzlerbros.de/bttv.html
  17. http://www.freetype.org/
  18. http://motion.technolust.cx/
w3cam-0.7.2/w3cam.cgi.scf0100644000076400000620000000404207343633116013641 0ustar  rascauser#SCFF/sh
# this is an example config file. if it is not in the same
# directory as the CGI all compiled in default values are used

#
# options which are used by the CGI library
#
#background=#ffffff
#foreground=#000000
source_url="http://home.pages.de/~rasca/w3cam/"

# uncomment the following to include a CSS style sheet (url)
# default: none
#stylesheet="/~rasca/w3cam/w3cam.css"

#
# options for the w3cam program
# you override some default values in the following
# uncomment thinks you want to change at runtime
#
#  when protected = 1 all form parameters are ignored
#protected=0

#  the video4linux device
#device = "/dev/video"

# image width and height
#width=320
#height=240

# color or grey JPEGs
# could also be used to define the palette. possible values are
# yuv420p, yuv422p, grey, 1 (=color), 0 (= grey)
#color=1

# refresh time in #.# seconds, "-1" disables refreshing
# refreshing doesn't work if the cgi is not embeded in a html page,
# so it is not a good idea to enable refreshing at this point!
#refresh="-1"

# norm, 0=PAL, 1=NTSC, 2=SECAM
#norm="0"

# input, 0=TV, 1=Composite1, 2=Composite2, 3=S-Video
#input="0"

# format, 1=PPM, 2=JPEG, 3=PNG
#format="3"

# jpeg quality: 1-100
#quality="30"

# mode, 0=plain, 1=gui (build a control panel in html)
#mode="1"

# sleep micro seconds before capturing, e.g. 500000 for half a second
#usleep="500000"

# define a frequenzy for the tuner, 'freq' must be in 1/16 MHz and
# only integers are allowed
#freq="9076"

# list of frequencies in gui mode
#freqlist="878;9076;9844;9460"

# for timestamps; all keywords are only in the configuration
# file available..
# to enable time stamps as a minimum "font" and "timestamp"
# must be defined.
#
#font = /usr/local/X11/lib/ttfonts/arial.ttf
#font_size = 12
#
#  for the timestamp format string see the strftime(3) manpage
#timestamp = "Berlin,  %H:%M  %d.%m.%Y"
#timestamp_border = 2
#
#  blend value: 1 .. 100
#timestamp_blend = 60
#  alignment: 0 = upper left corner, 1 = upper right corner,
# 	2 = lower left corner, 3 = lower right corner
#timestamp_align = 1
w3cam-0.7.2/w3cam.css0100644000076400000620000000115207366313424013116 0ustar  rascauser/* w3cam example CSS style file */

BODY {
	background: #f0f0f0;
	color: #0f0f0f;
	margin-top:  0.4em;
	margin-left: 0.2em;
}

A {
	text-decoration: underline;
}
A:link {
	color: rgb(040,040,238)
}
A:visited {
	color: rgb(090,090,200)
}
A:active {
	color: rgb(153,153,000)
}

H1,H2,H3,H4,H5,H6 {
	color: #a0a0ff;
	font-family: fattip, crillee, helvetica;
}
H1 { font-size: 22pt; }

ADDRESS {
	font-style: italic;
	font-size: small;
}
FORM {
	background: black;
	font-size: small;
}

/* some classes */

.panel {
	text-align: center;
	/* font-size: tiny; */
}

.image {
	align: left;
}

.footer {
	font-size: small;
}

w3cam-0.7.2/w3cam.h0100644000076400000620000000204107373452156012557 0ustar  rascauser/*
 * w3cam.h
 *
 * Copyright (C) 1998 Rasca, Berlin
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#define FMT_UNKNOWN	0
#define FMT_PPM		1
#define FMT_JPEG	2
#define FMT_PNG		3

#define IN_TV			0
#define IN_COMP1		1
#define IN_COMP2		2
#define IN_SVIDEO		3

#define NORM_PAL	0
#define NORM_NTSC	1
#define NORM_SECAM	2

#define MODE_GUI	1
#define MODE_PLAIN	2
#define MODE_HTML	3

#define OFF		-1

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@(E{GIoV*;] ]mJ""4kX[IBV9f4.VUVG֮CZa-)4e$$8U>Ol =s6ۋ1%4/S.!@kAN\6kʐuEĎGbQ, }d>?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z#O?$Z6Fg%i`?w3cam-0.7.2/font.c0100644000076400000620000001556107373452130012511 0ustar  rascauser/*
 * font.c
 *
 * Copyright (C) 2000 Rasca, Berlin
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#define ERROR -1
#define DPI 76
#define TT_VALID(x) ((x).z != NULL)

typedef struct _ttfont {
	TT_Face face;
	TT_Face_Properties props;
	TT_Instance inst;
	int smooth;
} ttfont;

static unsigned char bounded_palette[8] = {0, 1, 2, 3, 4, 4, 4, 4};

/*
 */
int
Face_Open (char *file, TT_Engine engine, TT_Face *face,
			TT_Face_Properties *prop, TT_Instance *inst, int ptsize)
{
	if (TT_Open_Face (engine, file, face)) {
		return ERROR;
	}
	TT_Get_Face_Properties (*face, prop);

	TT_New_Instance (*face, inst);
	TT_Set_Instance_Resolutions (*inst, DPI, DPI);
	TT_Set_Instance_CharSize (*inst, ptsize*64);
	return 0;
}

/*
 * release the resources for the instance and the face
 */
void
Face_Done (TT_Instance inst, TT_Face face)
{
	TT_Done_Instance (inst);
	TT_Close_Face (face);
}

/*
 */
TT_Glyph *
Glyphs_Load (TT_Face face, TT_Face_Properties *prop, TT_Instance inst,
		unsigned char *str, int len)
{
	unsigned short n, i;
	unsigned short platform, encoding;
	unsigned short num_glyphs = 0, num_cmap = 0;
	unsigned short load_flags, j, code;

	TT_CharMap char_map;
	TT_Glyph *gl;

	n = prop->num_CharMaps;
	for (i = 0; i < n; i++) {
		TT_Get_CharMap_ID (face, i, &platform, &encoding);
		if ((platform == 3 && encoding == 1) ||
			(platform == 0 && encoding == 0)) {
			TT_Get_CharMap (face, i, &char_map);
			break;
		}
	}
	if (i == n) {
		num_cmap = i;
		num_glyphs = prop->num_Glyphs;
	}
	gl = (TT_Glyph *) malloc (256 * sizeof (TT_Glyph));
	memset (gl, 0, 256 * sizeof (TT_Glyph));

	load_flags = TTLOAD_SCALE_GLYPH;
	for (i = 0; i < len; i++) {
		j = str[i];
		if (TT_VALID(gl[j])) {	/* still done */
			continue;
		}
		if (num_cmap) {
			/* hmm.. does this really work? */
			code = (j - ' ' + 1) < 0 ? 0 : (j - ' ' + 1);
			if (code >= num_glyphs) {
				code = 0;
			}
		} else {
			code = TT_Char_Index (char_map, j);
		}
		TT_New_Glyph (face, &gl[j]);
		TT_Load_Glyph (inst, gl[j], code, load_flags);
	}
	return gl;
}

/*
 */
void
Glyphs_Done (TT_Glyph *gl)
{
	int i;
	if (!gl)
		return;
	for (i = 0; i < 256; i++) {
		TT_Done_Glyph (gl[i]);
	}
	free (gl);
}

/*
 */
void
Raster_Init (TT_Face face, TT_Face_Properties *prop, TT_Instance inst,
			unsigned char *str,
			int len, int border, TT_Glyph *gl, TT_Raster_Map *bit)
{
	TT_Instance_Metrics imetrics;
	int upm, ascent, descent;
	int width, height, i;
	unsigned int j;
	TT_Glyph_Metrics gmetrics;

	TT_Get_Instance_Metrics (inst, &imetrics);
	upm = prop->header->Units_Per_EM;
	ascent = (prop->horizontal->Ascender * imetrics.y_ppem) / upm;
	descent= (prop->horizontal->Descender * imetrics.y_ppem) / upm;

	width = 2 * border;
	height= 2 * border + ascent - descent;
	for (i = 0; i < len; i++) {
		j = str[i];
		if (!TT_VALID(gl[j]))
			continue;
		TT_Get_Glyph_Metrics (gl[j], &gmetrics);
		width += gmetrics.advance / 64;
	}
	bit->rows = height;
	bit->width= width;
	bit->cols= (width + 3) & -4;	 /* for pixmap, must be 32-bits aligned */
	bit->flow = TT_Flow_Down;

	bit->size = bit->rows * bit->cols;
	bit->bitmap = malloc (bit->size);
	if (bit->bitmap)
		memset (bit->bitmap, 0, bit->size);
}

/*
 */
void
Raster_Done (TT_Raster_Map *bit)
{
	free (bit->bitmap);
	bit->bitmap = NULL;
}

/*
 */
void
Raster_Small_Init (TT_Raster_Map *map, TT_Instance *inst)
{
	TT_Instance_Metrics metrics;
	TT_Get_Instance_Metrics (*inst, &metrics);
	map->rows = metrics.y_ppem + 32;
	map->width= metrics.x_ppem + 32;
	map->cols = (map->width + 3) & -4;
	map->flow = TT_Flow_Up;
	map->size = (long)map->rows * map->cols;
	map->bitmap = malloc ((int)map->size);
}

/*
 */
void
Bitmap_Clear (TT_Raster_Map *map)
{
	if (map && map->bitmap)
		memset (map->bitmap, 0, map->size);
}

/*
 */
void
Render_Glyph (TT_Glyph g, TT_Glyph_Metrics *gm, int x_offset, int y_offset,
		TT_Raster_Map *bit,
		TT_Raster_Map *sbit)
{
	TT_F26Dot6  x, y, xmin, ymin, xmax, ymax;
	int ioff, iread;
	char *off, *read, *off2, *read2;

	xmin = gm->bbox.xMin & -64;
	ymin = gm->bbox.yMin & -64;
	xmax = (gm->bbox.xMax+63) & -64;
	ymax = (gm->bbox.yMax+63) & -64;

	Bitmap_Clear (sbit);
	if (TT_Get_Glyph_Pixmap (g, sbit, -xmin, -ymin))
		return;
	xmin = (xmin >> 6) + x_offset;
	ymin = (ymin >> 6) + y_offset;
	xmax = (xmax >> 6) + x_offset;
	ymax = (ymax >> 6) + y_offset;

	if (xmin >= (int)bit->width ||
		ymin >= (int)bit->rows ||
		xmax < 0 ||
		ymax < 0)
		return;

	if (xmax - xmin + 1 > sbit->width)
		xmax = xmin + sbit->width - 1;
	if (ymax - ymin + 1 > sbit->rows)
		ymax = ymin + sbit->rows - 1;

	iread = 0;
	if (ymin < 0) {
		iread -= ymin * sbit->cols;
		ioff = 0;
		ymin = 0;
	} else {
		ioff = ymin * bit->cols;
	}

	if (ymax >= bit->rows)
		ymax = bit->rows-1;

	if (xmin < 0) {
		iread -= xmin;
		xmin = 0;
	} else {
		ioff += xmin;
	}

	if (xmax >= bit->width)
		xmax = bit->width - 1;

	read2 = (char *)sbit->bitmap + iread;
	off2  = (char *)bit->bitmap + ioff;

	for (y = ymin; y <= ymax; y++) {
		read = read2;
		off = off2;
		for (x = xmin; x <= xmax; x++) {
			*off = bounded_palette[*off | *read];
			off++;
			read++;
		}
		read2 += sbit->cols;
		off2 += bit->cols;
	}
}

/*
 */
unsigned char *
Render_String (TT_Glyph *gl, unsigned char *str, int len, TT_Raster_Map *bit,
		TT_Raster_Map *sbit, int border)
{
	int i;
	unsigned int j;
	TT_F26Dot6 x, y, z, min_x, min_y, max_x, max_y;
	TT_Glyph_Metrics gmetrics;

	min_x = min_y = 0;
	max_x = max_y = 0;
	x = 0;
	y = 0;

	for (i = 0; i < len; i++) {
		j = str[i];
		if (!TT_VALID(gl[j]))
			continue;
		TT_Get_Glyph_Metrics (gl[j], &gmetrics);

		z = x + gmetrics.bbox.xMin;
		if (min_x > z)
			min_x = z;

		z = x + gmetrics.bbox.xMax;
		if (max_x < z)
			max_x = z;

		z = y + gmetrics.bbox.yMin;
		if (min_y > z)
			min_y = z;
	
		z = y + gmetrics.bbox.yMax;
		if (max_y < z)
			max_y = z;

		x += gmetrics.advance & -64;

	}
	min_x = (min_x & -64) >> 6;
	min_y = (min_y & -64) >> 6;
	max_x = ((max_x + 63) & -64) >> 6;
	max_y = ((max_y + 63) & -64) >> 6;

	max_x -= min_x;
	max_y -= min_y;

	min_x = (bit->width - max_x + 2) / 2;
	min_y = (bit->rows - max_y + 4) / 2;

	max_x += min_x;
	max_y += min_y;


	/* */
	x = min_x;
	y = min_y;
	for (i = 0; i < len; i++) {
		j = str[i];
		if (!TT_VALID(gl[j]))
			continue;
		TT_Get_Glyph_Metrics (gl[j], &gmetrics);
		Render_Glyph (gl[j], &gmetrics, x, y, bit, sbit);
		x += gmetrics.advance / 64;
	}
	return NULL;
}

w3cam-0.7.2/Makefile.std0100644000076400000620000000200706642437313013623 0ustar  rascauserCC = cc
prefix=/usr/local
exec_prefix=${prefix}
sbindir=${exec_prefix}/sbin
cgibindir=$(prefix)/cgi-bin
bindir=${exec_prefix}/bin

CFLAGS = -O2 -Wall  -DHAVE_LIBM=1 -DHAVE_LIBZ=1 -DHAVE_LIBPNG=1 \
	-DHAVE_LIBJPEG=1  -DVIDEO_DEV=\"/dev/video\"
LDFLAGS = 
LIBS = -ljpeg -lpng -lz -lm 

OBJ = w3cam.o cgi.o

default: w3cam.cgi vidcat w3camd/w3camd

w3cam.cgi: $(OBJ)
	$(CC) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)

vidcat: cgi.o vidcat.o
	$(CC) $(LDFLAGS) -o $@ vidcat.o cgi.o $(LIBS)

w3camd/w3camd:
	cd w3camd && make

install: w3cam.cgi
	install w3cam.cgi $(cgibindir)/
	test -f $(cgibindir)/w3cam.cgi.scf || \
		install w3cam.cgi.scf $(cgibindir)/
	install vidcat $(bindir)/

clean:
	rm -f *.o w3cam.cgi vidcat
	cd w3camd && make clean && rm -f w3camd

msproper: clean
	rm -f config.status config.log config.cache

README: index.html
	lynx -dump http://www/~rasca/w3cam/index.html | \
		sed "s%/www/%/home.pages.de/%g" > README

tarball: clean
	rm -f config.status config.log config.cache Makefile
	cd .. && tar -czvf w3cam07.tgz w3cam/

w3cam-0.7.2/ppmtoascii.c0100644000076400000620000000545207373452143013715 0ustar  rascauser/*
 * ppmtoascii
 *
 * Copyright (C) 1998 Rasca, Berlin
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 

/* char map[] =
	"   ,,''`//--))(("
	"__..::;;<<>>ii++"
	"rrccuuoorrzzeebb"
	"qqddffqqqzzuuw$$"
	"mmm***###hhnnn%%"
	"nnmm=====[[[]]{}"
	"VVVVYYXXirrrrrrr"
	"xxxxyyyyggggffff"
	"HHHHHHHHHHHHHHHH"
	"IILLNNPPUUTTRRRR"
	"iirreeaabbtttttt"
	"ddffzzuuwwHHHHHH"
	"GGGGGGhhrrrrssuu"
	"PPOOOQQQEEEEFFFF"
	"***###VVVVYYZZZX"
	"OOOXXXMMMM@@@@@@"
; */

char map[] =
	"       `````````"
	"____----....++++"
	"rrccuuoorrzzeebb"
	"qqddffqqqzzuuw$$"
	"mmmaaaaaahhnnn%%"
	"nnmm=====[[[]]{}"
	"VVVVYYXXirrrrrrr"
	"xxxxyyyyggggffff"
	"HHHHHHHHHHHHHHHH"
	"IILLNNPPUUTTRRRR"
	"iirreeaabbtttttt"
	"ddffzzuuwwHHHHHH"
	"GGGGGGhhrrrrssuu"
	"PPOOOQQQEEEEFFFF"
	"***###VVVVYYZZZX"
	"OOOXXXMMMM@@@@@@"
;

int
main (int argc, char *argv[])
{
#define BUFFSIZE 1024
	int c, i, val;
	FILE *fp;
	char buff[BUFFSIZE];
	int verbose = 0;
	int width = 0, height =0;
	int maxval = 0;
	unsigned char *image;

	while ((c = getopt (argc, argv, "v")) != EOF) {
		switch (c) {
			case 'v':
				verbose++;
				break;
			default:
				break;
		}
	}
	if (argc == optind) {
		fp = stdin;
	} else {
		fp = fopen (argv[argc-1], "rb");
		if (!fp)
			return (1);
	}
	fgets (buff, BUFFSIZE, fp);
	if (strncmp (buff, "P6", 2) != 0) {
		fprintf (stderr, "input is not a raw ppm file\n");
		return (2);
	}
	fgets (buff, BUFFSIZE, fp);
	sscanf (buff, "%d %d", &width, &height);
	fgets (buff, BUFFSIZE, fp);
	sscanf (buff, "%d", &maxval);
	if (width == 0 ||
		height ==0 ||
		maxval ==0) {
		fprintf (stderr, "input is not a raw ppm file\n");
		return (3);
	}
	if (verbose)
		fprintf (stderr, "width=%d height=%d maxval=%d\n", width,height,maxval);
	image = malloc (width * height);
	if (!image) {
		perror (argv[0]);
		return (4);
	}
	for (i = 0; i < width * height; i++) {
		fread (buff, 1, 3, fp);
		val = buff[0] + buff[1] + buff[2];
		image[i] = ~((unsigned char )(val / 3));
	}
	for (i = 0; i < height; i++) {
		int w;
		for (w = 0; w < width; w++) {
			printf ("%c", (unsigned char) map[(unsigned char )(image[(i*width)+w])]);
		}
		printf ("\n");
	}
	return (0);
}

w3cam-0.7.2/index.in0100644000076400000620000000520207412661616013032 0ustar  rascauserw3cam for Video4Linux
	
	
	


w3cam, Version @VERSION@


© Rasca,
	Berlin 1998-2001, published under the GNU GPL


Note: This CGI is for
	Linux running a kernel of the
	2.2.X
	series or newer!


w3cam is a simple CGI to retrieve images from a so
called video4linux device. In other words this program
will only run on Linux machines which support a video4linux-device.


w3cam supports a plain mode and a gui mode. In the gui mode
a html with a form is supplied to change some parameters with the mouse ..



    

  • Supported output formats: PNG,
	JPEG and PPM

  • Screen dumps in GUI mode double.jpg

  • Installation: run 'configure & make install' and edit the
	installed w3cam.cgi.scf file
	for the runtime configuration.

  • Usage:
	Install the CGI and then call {url}/w3cam.cgi?help

  • Download source code: 
w3cam-@VERSION@.tar.gz

  • Needed Libraries: libz, libpng, libjpeg

  • Checkout ChangeLog for changes since the last release.

  • Tips:
	
      
	
    • Don't use refresh=0 if you are not the only one, who
		want to access the video, cause this will lock the v4l device.
	
    • Set refresh=-1 if the image is NOT embedded in a 
		HTML-page
		(or set it at compile time as the default or at runtime
		in the configuration file).
	
    • Use w3cam.css to change the layout (don't forget to install and
		define the URL in the config file..)
	
    

  • Problems?: Mini FAQ, and also consult the
	included documentation and HTML samples.

  • Links:
	






rasca <fcii at gmx.de>,
27. Dec 2001 - 18:28


w3cam-0.7.2/index.html0100644000076400000620000000516607412661634013401 0ustar  rascauserw3cam for Video4Linux
	
	
	


w3cam, Version 0.7.2


© Rasca,
	Berlin 1998-2001, published under the GNU GPL


Note: This CGI is for
	Linux running a kernel of the
	2.2.X
	series or newer!


w3cam is a simple CGI to retrieve images from a so
called video4linux device. In other words this program
will only run on Linux machines which support a video4linux-device.


w3cam supports a plain mode and a gui mode. In the gui mode
a html with a form is supplied to change some parameters with the mouse ..



    

  • Supported output formats: PNG,
	JPEG and PPM

  • Screen dumps in GUI mode double.jpg

  • Installation: run 'configure & make install' and edit the
	installed w3cam.cgi.scf file
	for the runtime configuration.

  • Usage:
	Install the CGI and then call {url}/w3cam.cgi?help

  • Download source code: 
w3cam-0.7.2.tar.gz

  • Needed Libraries: libz, libpng, libjpeg

  • Checkout ChangeLog for changes since the last release.

  • Tips:
	
      
	
    • Don't use refresh=0 if you are not the only one, who
		want to access the video, cause this will lock the v4l device.
	
    • Set refresh=-1 if the image is NOT embedded in a 
		HTML-page
		(or set it at compile time as the default or at runtime
		in the configuration file).
	
    • Use w3cam.css to change the layout (don't forget to install and
		define the URL in the config file..)
	
    

  • Problems?: Mini FAQ, and also consult the
	included documentation and HTML samples.

  • Links:
	






rasca <fcii at gmx.de>,
27. Dec 2001 - 18:28


w3cam-0.7.2/TODO.txt0100644000076400000620000000005207343636252012700 0ustar  rascauser- w3cam: brithness, saturation
- cgi-path
w3cam-0.7.2/out0100644000076400000620000002621607366316502012134 0ustar  rascauserJFIFC


		
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6+yJjGZۙߡ=M8}XpG#IƮFG#5tfCAuOMBYv9Gw4EN(EH rA}jsMlB~k9nDwyqy݊R@?Z/_PqIrcEΫQ8e>-k*m{#y#W#D1#G7k>o72;E]Fu͝sEooE0sj
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.\Z9TD@"s8E5?I^NYO'5=G2xMbDAhQmqlLg•w3cam-0.7.2/SAMPLES0100644000076400000620000000026607341476625012434 0ustar  rascauser
http://62.108.3.228/cgi-bin/w3cam.cgi?width=320&height=240&mode=gui&quality=75&usleep=20000&input=Composite&format=JPEG&size=320x240&refresh=-1
http://www.show-control.com/cam.html
w3cam-0.7.2/v4l.c0100644000076400000620000002176007412642723012251 0ustar  rascauser/*
 * v4l.c
 *
 * Copyright (C) 2001 Rasca, Berlin
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include "v4l.h"

#define min(a,b) ((a) < (b) ? (a) : (b))
#define max(a,b) ((a) > (b) ? (a) : (b))

/*
 * set the input and norm for the video4linux device
 */
int
v4l_set_input (int fd, int input, int norm)
{
	struct video_channel vid_chnl;

	if (input != INPUT_DEFAULT || norm != NORM_DEFAULT) {
		if (vid_chnl.channel != INPUT_DEFAULT)
			vid_chnl.channel = input;
		else
			vid_chnl.channel = 0;
		vid_chnl.norm = -1;
		if (ioctl (fd, VIDIOCGCHAN, &vid_chnl) == -1) {
			perror ("ioctl (VIDIOCGCHAN)");
			return -1;
		} else {
			if (input != 0)
				vid_chnl.channel = input;
			if (norm != NORM_DEFAULT)
				vid_chnl.norm    = norm;
			if (ioctl (fd, VIDIOCSCHAN, &vid_chnl) == -1) {
				perror ("ioctl (VIDIOCSCHAN)");
				return -1;
			}
		}
	}
	return 0;
}

/*
 * check the size and readjust if necessary
 */
int
v4l_check_size (int fd, int *width, int *height)
{
	struct video_capability vid_caps;

	if (ioctl (fd, VIDIOCGCAP, &vid_caps) == -1) {
		perror ("ioctl (VIDIOCGCAP)");
		return -1;
	}
	/* readjust if necessary */
	if (*width > vid_caps.maxwidth || *width < vid_caps.minwidth) {
		*width = min (*width, vid_caps.maxwidth);
		*width = max (*width, vid_caps.minwidth);
		fprintf (stderr, "readjusting width to %d\n", *width);
	}
	if (*height > vid_caps.maxheight || *height < vid_caps.minheight) {
		*height = min (*height, vid_caps.maxheight);
		*height = max (*height, vid_caps.minheight);
		fprintf (stderr, "readjusting height to %d\n", *height);
	}
	return 0;
}

/*
 * check the requested palette and adjust if possible
 * seems not to work :-(
 */
int
v4l_check_palette (int fd, int *palette)
{
	struct video_picture vid_pic;

	if (!palette)
		return -1;

	if (ioctl (fd, VIDIOCGPICT, &vid_pic) == -1) {
		perror ("ioctl (VIDIOCGPICT)");
		return -1;
	}
	vid_pic.palette = *palette;
	if (ioctl (fd, VIDIOCSPICT, &vid_pic) == -1) {
		/* try YUV420P
		 */
		fprintf (stderr, "failed\n");
		vid_pic.palette = *palette = VIDEO_PALETTE_YUV420P;
		if (ioctl (fd, VIDIOCSPICT, &vid_pic) == -1) {
			perror ("ioctl (VIDIOCSPICT) to YUV");
			/* ok, try grayscale..
			 */
			vid_pic.palette = *palette = VIDEO_PALETTE_GREY;
			if (ioctl (fd, VIDIOCSPICT, &vid_pic) == -1) {
				perror ("ioctl (VIDIOCSPICT) to GREY");
				return -1;
			}
		}
	}
	return 0;
}

/*
 * check if driver supports mmap'ed buffer
 */
int
v4l_check_mmap (int fd, int *size)
{
	struct video_mbuf vid_buf;

	if (ioctl (fd, VIDIOCGMBUF, &vid_buf) == -1) {
		return -1;
	}
	if (size)
		*size = vid_buf.size;
	return 0;
}

/*
 * mute sound if available
 */
int
v4l_mute_sound (int fd)
{
	struct video_capability vid_caps;
	struct video_audio vid_aud;

	if (ioctl (fd, VIDIOCGCAP, &vid_caps) == -1) {
		perror ("ioctl (VIDIOCGCAP)");
		return -1;
	}
	if (vid_caps.audios > 0) {
		/* mute the sound */
		if (ioctl (fd, VIDIOCGAUDIO, &vid_aud) == -1) {
			return -1;
        } else {
            vid_aud.flags = VIDEO_AUDIO_MUTE;
            if (ioctl (fd, VIDIOCSAUDIO, &vid_aud) == -1)
				return -1;
        }
    }
	return 0;
}

/*
 * Turn a YUV4:2:0 block into an RGB block
 *
 * Video4Linux seems to use the blue, green, red channel
 * order convention-- rgb[0] is blue, rgb[1] is green, rgb[2] is red.
 *
 * Color space conversion coefficients taken from the excellent
 * http://www.inforamp.net/~poynton/ColorFAQ.html
 * In his terminology, this is a CCIR 601.1 YCbCr -> RGB.
 * Y values are given for all 4 pixels, but the U (Pb)
 * and V (Pr) are assumed constant over the 2x2 block.
 *
 * To avoid floating point arithmetic, the color conversion
 * coefficients are scaled into 16.16 fixed-point integers.
 * They were determined as follows:
 *
 *	double brightness = 1.0;  (0->black; 1->full scale) 
 *	double saturation = 1.0;  (0->greyscale; 1->full color)
 *	double fixScale = brightness * 256 * 256;
 *	int rvScale = (int)(1.402 * saturation * fixScale);
 *	int guScale = (int)(-0.344136 * saturation * fixScale);
 *	int gvScale = (int)(-0.714136 * saturation * fixScale);
 *	int buScale = (int)(1.772 * saturation * fixScale);
 *	int yScale = (int)(fixScale);	
 */

/* LIMIT: convert a 16.16 fixed-point value to a byte, with clipping. */
#define LIMIT(x) ((x)>0xffffff?0xff: ((x)<=0xffff?0:((x)>>16)))

/*
 */
static inline void
v4l_copy_420_block (int yTL, int yTR, int yBL, int yBR, int u, int v, 
	int rowPixels, unsigned char * rgb, int bits)
{
	const int rvScale = 91881;
	const int guScale = -22553;
	const int gvScale = -46801;
	const int buScale = 116129;
	const int yScale  = 65536;
	int r, g, b;

	g = guScale * u + gvScale * v;
	r = rvScale * v;
	b = buScale * u;

	yTL *= yScale; yTR *= yScale;
	yBL *= yScale; yBR *= yScale;

	if (bits == 24) {
		/* Write out top two pixels */
		rgb[0] = LIMIT(b+yTL); rgb[1] = LIMIT(g+yTL); rgb[2] = LIMIT(r+yTL);
		rgb[3] = LIMIT(b+yTR); rgb[4] = LIMIT(g+yTR); rgb[5] = LIMIT(r+yTR);

		/* Skip down to next line to write out bottom two pixels */
		rgb += 3 * rowPixels;
		rgb[0] = LIMIT(b+yBL); rgb[1] = LIMIT(g+yBL); rgb[2] = LIMIT(r+yBL);
		rgb[3] = LIMIT(b+yBR); rgb[4] = LIMIT(g+yBR); rgb[5] = LIMIT(r+yBR);
	} else if (bits == 16) {
		/* Write out top two pixels */
		rgb[0] = ((LIMIT(b+yTL) >> 3) & 0x1F) | ((LIMIT(g+yTL) << 3) & 0xE0);
		rgb[1] = ((LIMIT(g+yTL) >> 5) & 0x07) | (LIMIT(r+yTL) & 0xF8);

		rgb[2] = ((LIMIT(b+yTR) >> 3) & 0x1F) | ((LIMIT(g+yTR) << 3) & 0xE0);
		rgb[3] = ((LIMIT(g+yTR) >> 5) & 0x07) | (LIMIT(r+yTR) & 0xF8);

		/* Skip down to next line to write out bottom two pixels */
		rgb += 2 * rowPixels;

		rgb[0] = ((LIMIT(b+yBL) >> 3) & 0x1F) | ((LIMIT(g+yBL) << 3) & 0xE0);
		rgb[1] = ((LIMIT(g+yBL) >> 5) & 0x07) | (LIMIT(r+yBL) & 0xF8);

		rgb[2] = ((LIMIT(b+yBR) >> 3) & 0x1F) | ((LIMIT(g+yBR) << 3) & 0xE0);
		rgb[3] = ((LIMIT(g+yBR) >> 5) & 0x07) | (LIMIT(r+yBR) & 0xF8);
	}
}

/*
 */
static inline void
v4l_copy_422_block (int yTL, int yTR, int u, int v, 
	int rowPixels, unsigned char * rgb, int bits)
{
	const int rvScale = 91881;
	const int guScale = -22553;
	const int gvScale = -46801;
	const int buScale = 116129;
	const int yScale  = 65536;
	int r, g, b;

	g = guScale * u + gvScale * v;
	r = rvScale * v;
	b = buScale * u;

	yTL *= yScale; yTR *= yScale;

	if (bits == 24) {
		/* Write out top two pixels */
		rgb[0] = LIMIT(b+yTL); rgb[1] = LIMIT(g+yTL); rgb[2] = LIMIT(r+yTL);
		rgb[3] = LIMIT(b+yTR); rgb[4] = LIMIT(g+yTR); rgb[5] = LIMIT(r+yTR);

	} else if (bits == 16) {
		/* Write out top two pixels */
		rgb[0] = ((LIMIT(b+yTL) >> 3) & 0x1F) | ((LIMIT(g+yTL) << 3) & 0xE0);
		rgb[1] = ((LIMIT(g+yTL) >> 5) & 0x07) | (LIMIT(r+yTL) & 0xF8);

		rgb[2] = ((LIMIT(b+yTR) >> 3) & 0x1F) | ((LIMIT(g+yTR) << 3) & 0xE0);
		rgb[3] = ((LIMIT(g+yTR) >> 5) & 0x07) | (LIMIT(r+yTR) & 0xF8);
	}
}

/*
 * convert a YUV420P to a rgb image
 */
int
v4l_yuv420p2rgb (unsigned char *rgb_out, unsigned char *yuv_in,
		int width, int height, int bits)
{
	const int numpix = width * height;
	const unsigned int bytes = bits >> 3;
	int h, w, y00, y01, y10, y11, u, v;
	unsigned char *pY = yuv_in;
	unsigned char *pU = pY + numpix;
	unsigned char *pV = pU + numpix / 4;
	unsigned char *pOut = rgb_out;

	if (!rgb_out || !yuv_in)
		return -1;

	for (h = 0; h <= height - 2; h += 2) {
		for (w = 0; w <= width - 2; w += 2) {
			y00 = *(pY);
			y01 = *(pY + 1);
			y10 = *(pY + width);
			y11 = *(pY + width + 1);
			u = (*pU++) - 128;
			v = (*pV++) - 128;

			v4l_copy_420_block (y00, y01, y10, y11, u, v, width, pOut, bits);
	
			pY += 2;
			pOut += bytes << 1;

		}
		pY += width;
		pOut += width * bytes;
	}
	return 0;
}

/*
 * convert a YUV422P to a rgb image
 */
int
v4l_yuv422p2rgb (unsigned char *rgb_out, unsigned char *yuv_in,
		int width, int height, int bits)
{
	const int numpix = width * height;
	const unsigned int bytes = bits >> 3;
	int h, w, y00, y01, u, v;
	unsigned char *pY = yuv_in;
	unsigned char *pU = pY + numpix;
	unsigned char *pV = pU + numpix / 2;
	unsigned char *pOut = rgb_out;

	if (!rgb_out || !yuv_in)
		return -1;

	for (h = 0; h < height; h += 1) {
		for (w = 0; w <= width - 2; w += 2) {
			y00 = *(pY);
			y01 = *(pY + 1);
			u = (*pU++) - 128;
			v = (*pV++) - 128;

			v4l_copy_422_block (y00, y01, u, v, width, pOut, bits);
	
			pY += 2;
			pOut += bytes << 1;

		}
		//pY += width;
		//pOut += width * bytes;
	}
	return 0;
}
w3cam-0.7.2/FAQ.txt0100644000076400000620000000102307366316474012547 0ustar  rascauser--- Mini FAQ -------------------------------------------------------

Q: vidcat is running fine, but with w3cam.cgi I can't see
   an image.
___A: Check if the user under which the CGI is running (e.g. "wwwrun")
	  has the right to access the video device (/dev/video).


Q: The refresh is not running while using IE.
___A: The used refresh method is only supported by Netscape.


Q: As soon as I start "vidcat" my system freezes. Can you help?
___A: No! A system hang is allways a problem of the driver.


--
26. Oct 2001 - 19:27
w3cam-0.7.2/samples/0040755000076400000620000000000007341502706013036 5ustar  rascauserw3cam-0.7.2/samples/w3cam.css0120777000076400000620000000000007152520343016512 2../w3cam.cssustar  rascauserw3cam-0.7.2/samples/menu.html0100644000076400000620000000077707341502173014676 0ustar  rascauser





Quality:
Refresh:







w3cam-0.7.2/samples/double.html0100644000076400000620000000047106624010064015167 0ustar  rascauser

        double tv





Your browser can't handle frames ...



w3cam-0.7.2/samples/tripple.html0100644000076400000620000000061506624007155015403 0ustar  rascauser

        tripple tv






Your browser can't handle frames ...



w3cam-0.7.2/samples/bg2.html0100644000076400000620000000103407047031222014362 0ustar  rascauser





 




In this example the CGI is used to generate a refreshing background image
.. :-)








[ Close ]





w3cam-0.7.2/samples/frames.html0100644000076400000620000000050407341502534015174 0ustar  rascauser






w3cam-0.7.2/samples/bg.html0100644000076400000620000000102107047031174014302 0ustar  rascauser





 




In this example the CGI is used to generate a refreshing background image
.. :-)








[ Close ]





w3cam-0.7.2/samples/index.html0100644000076400000620000000234707341502706015036 0ustar  rascauser

	w3cam demo page
	
	




w3cam.cgi Demo Page


First install w3cam.cgi before testing the following links.


Note: you
have to enable JavaScript to make the following links to work.


View
1 Channel


View
2 Channels


View
3 Channels


View
as background image
(JPEG, B/W)


View
as background image
(PNG, color)


View
with a self made
control frame 
(color)


[Index]


rasca,
28. Aug 2000 - 19:34



w3cam-0.7.2/v4l.h0100644000076400000620000000240307412657511012250 0ustar  rascauser/*
 * v4l.h
 *
 * Copyright (C) 2001 Rasca, Berlin
 *
 * 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 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __V4L_H__
#define __V4L_H__

#define INPUT_DEFAULT	-1
#define NORM_DEFAULT	-1

#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif

int v4l_set_input (int fd, int input, int norm);
int v4l_check_size (int fd, int *width, int *height);
int v4l_check_palette (int fd, int *palette);
int v4l_mute_sound (int fd);
int v4l_check_mmap (int fd, int *size);
int v4l_yuv420p2rgb (unsigned char *, unsigned char *, int, int, int);
int v4l_yuv422p2rgb (unsigned char *, unsigned char *, int, int, int);
#endif
w3cam-0.7.2/vidcat.man0100644000076400000620000000330607366312050013336 0ustar  rascauser.\"
.\" Written by Rasca, Berlin 2001
.\" Published under the GNU GPL V2
.\"
.TH VIDCAT 1 "Oct 2001" "GNU" "Version VERSION"
.SH NAME
vidcat - capture a frame from a video4linux device

.SH SYNOPSIS
.BI "vidcat [-h?blgV] [-d " "] [-f "jpeg|ppm|png "] [-i "tv|comp1|com1|s-video "] [-n "pal|ntsc|secam "] [-q "<1..100> "] [-s "WIDTHxHEIGHT "] [-o " "]
.SH DESCRIPTION
.I vidcat
captures a frame from a video4linux device and writes
the result to the standard output device. With the following
options you can define output format, size etc..
.SH OPTIONS
.TP
-d device
Use an alternate v4l device, '/dev/video' is the default device.
.TP
-b
This applies only to PPM output. With this option the PPM
ouput is written in binary mode.
.TP
-f ppm|jpeg|png|yuv4mpeg
Define the file format to use for the output stream. The
default is "jpeg".
.TP
-g
Use greyscale instead of RGB24 for the output data.
.TP
-i tv|comp1|comp2|s-video
Set the input channel to use. The default value is none,
which means the preset of the device is used.
.TP
-l
Loops until CTRL+C is pressed. This is the default for
the YUV4MPEG output.
.TP
-n pal|ntsc|secam
Select the input norm for the grabbing device. The
default value is none.
.TP
-o file
Use the named file for output instead of standard out.
.TP
-p c|g|y|Y
Set the palette to use: c = RGB24, g=GREY, y=YUV420P, Y=YUV422P.
.TP
-q 1..100
Set the quality for JPEG output. The value could
be a number between 1 and 100. The default value is 80.
.TP
-s WIDTHxHEIGHT
Define the size of the output frame in pixels. The default
setting is 320x240.
.TP
-V
Show version number and exit.
.SH AUTHOR
Rasca
.br
http://home.pages.de/~rasca/
.br
VIDCAT is published under the GNU General Public License

w3cam-0.7.2/vidcat.10100644000076400000620000000330407366312051012722 0ustar  rascauser.\"
.\" Written by Rasca, Berlin 2001
.\" Published under the GNU GPL V2
.\"
.TH VIDCAT 1 "Oct 2001" "GNU" "Version 0.7.1"
.SH NAME
vidcat - capture a frame from a video4linux device

.SH SYNOPSIS
.BI "vidcat [-h?blgV] [-d " "] [-f "jpeg|ppm|png "] [-i "tv|comp1|com1|s-video "] [-n "pal|ntsc|secam "] [-q "<1..100> "] [-s "WIDTHxHEIGHT "] [-o " "]
.SH DESCRIPTION
.I vidcat
captures a frame from a video4linux device and writes
the result to the standard output device. With the following
options you can define output format, size etc..
.SH OPTIONS
.TP
-d device
Use an alternate v4l device, '/dev/video' is the default device.
.TP
-b
This applies only to PPM output. With this option the PPM
ouput is written in binary mode.
.TP
-f ppm|jpeg|png|yuv4mpeg
Define the file format to use for the output stream. The
default is "jpeg".
.TP
-g
Use greyscale instead of RGB24 for the output data.
.TP
-i tv|comp1|comp2|s-video
Set the input channel to use. The default value is none,
which means the preset of the device is used.
.TP
-l
Loops until CTRL+C is pressed. This is the default for
the YUV4MPEG output.
.TP
-n pal|ntsc|secam
Select the input norm for the grabbing device. The
default value is none.
.TP
-o file
Use the named file for output instead of standard out.
.TP
-p c|g|y|Y
Set the palette to use: c = RGB24, g=GREY, y=YUV420P, Y=YUV422P.
.TP
-q 1..100
Set the quality for JPEG output. The value could
be a number between 1 and 100. The default value is 80.
.TP
-s WIDTHxHEIGHT
Define the size of the output frame in pixels. The default
setting is 320x240.
.TP
-V
Show version number and exit.
.SH AUTHOR
Rasca
.br
http://home.pages.de/~rasca/
.br
VIDCAT is published under the GNU General Public License

w3cam-0.7.2/COPYING.txt0100644000076400000620000004307606622025443013251 0ustar  rascauser		    GNU GENERAL PUBLIC LICENSE
		       Version 2, June 1991

 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
                          675 Mass Ave, Cambridge, MA 02139, USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

			    Preamble

  The licenses for most software are designed to take away your
freedom to share and change it.  By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users.  This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it.  (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.)  You can apply it to
your programs, too.

  When we speak of free software, we are referring to freedom, not
price.  Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.

  To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.

  For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have.  You must make sure that they, too, receive or can get the
source code.  And you must show them these terms so they know their
rights.

  We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.

  Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software.  If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.

  Finally, any free program is threatened constantly by software
patents.  We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary.  To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.

  The precise terms and conditions for copying, distribution and
modification follow.

		    GNU GENERAL PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License.  The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language.  (Hereinafter, translation is included without limitation in
the term "modification".)  Each licensee is addressed as "you".

Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope.  The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.

  1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.

You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.

  2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:

    a) You must cause the modified files to carry prominent notices
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    b) You must cause any work that you distribute or publish, that in
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    c) If the modified program normally reads commands interactively
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These requirements apply to the modified work as a whole.  If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
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Thus, it is not the intent of this section to claim rights or contest
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collective works based on the Program.

In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
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the scope of this License.

  3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:

    a) Accompany it with the complete corresponding machine-readable
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The source code for a work means the preferred form of the work for
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compelled to copy the source along with the object code.

  4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License.  Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
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  5. You are not required to accept this License, since you have not
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license would not permit royalty-free redistribution of the Program by
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the only way you could satisfy both it and this License would be to
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If any portion of this section is held invalid or unenforceable under
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It is not the purpose of this section to induce you to infringe any
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such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices.  Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.

This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.

  8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded.  In such case, this License incorporates
the limitation as if written in the body of this License.

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of the General Public License from time to time.  Such new versions will
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Foundation.

  10. If you wish to incorporate parts of the Program into other free
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			    NO WARRANTY

  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

		     END OF TERMS AND CONDITIONS

	Appendix: How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    
    Copyright (C) 19yy  

    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 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, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

Also add information on how to contact you by electronic and paper mail.

If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:

    Gnomovision version 69, Copyright (C) 19yy name of author
    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.

You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary.  Here is a sample; alter the names:

  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
  `Gnomovision' (which makes passes at compilers) written by James Hacker.

  , 1 April 1989
  Ty Coon, President of Vice

This General Public License does not permit incorporating your program into
proprietary programs.  If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library.  If this is what you want to do, use the GNU Library General
Public License instead of this License.
w3cam-0.7.2/ChangeLog.txt0100644000076400000620000001404307412662171013763 0ustar  rascauser27.12.2001
	- released 0.7.2
	- w3cam.cgi: added default input in the gui mode
	- added new option "bgr=1" to swap RGB24 to BGR24
	- fixed v4l.c:v4l_set_input() for the ov511 driver

11.11.2001
	- added my new email address

28.10.2001
	- vidcat.c: terminate for a wrong "-i" argument with usage()

28.10.2001
	- released 0.7.1
	- vidcat: use RGB24 as the default palette

10.10.2001
	- vidcat: new switch "-V" to show version number
	- configure.in: new switch for the freetype includes
	- vidcat.c: fixed usage()

31.08.2001
	- w3cam.c: removed _check_palette()
	- some changes in w3cam.c to support yuv config option
	- added yuv support for drivers without mmap() support (not tested)

29.08.2001
	- released 0.7.0
	- new option for vidcat to spezify the video palette cause
	  the auto detection doesn't work.

28.08.2001
	- added YUV422P support
	- updated usage() in vidcat

24.08.2001
	- moved yuv stuff to v4l.c
	- added YUV support for camera which don't support mmap()

24.08.2001
	- released 0.6.9
	- added the YUV420P stuff to w3cam.cgi as well
	- added grey scale jpeg support to vidcat.c
	- some reorganisations in the vidcat.c code
	- added the patch from nicholas to support YUV420P input
	- added manpage for vidcat

31.07.2001
	- vidcat.c: new option "-n " to switch to e.g. ntsc
	- vidcat.c: return 1 instead of 0 if device can't be opened

31.07.2001
	- released 0.6.8
	- w3cam.c: changed argument to ioctl() for SYNC

28.08.2000
	- released 0.6.7
	- added new option value "mode=html" which will produce a plain
	  html page with the image embedded. this meight be usefull
	  in frame constructions.. see samples/frames.html and menu.html

21.08.2000
	- released 0.6.6
	- vidcat: added verbose switch
	- w3camd: minor changes to get it working without mmap(), e.g.
		video loopback from motion
		but w3camd is still a buggy dirty hack :-)

16.07.2000
	- w3cam.c: added new config file parameter: device
	- w3cam.c: minor changes in usage()
	- font.c: some changes to unsigned int/char * to get
	  ASCII > 127 in timestamps working

20.05.2000
	- w3camd/w3jpeg.c: don't use ERREXIT() so i can handle sig pipes

01.05.2000
	- vidcat.c: set width/height for devices which don't support
	  mmap()
	- w3camd/w3jpeg.c: increased buffer size to 2048
	- w3camd/w3camd.c: changed version number to 0.3
	- w3camd: added w3log.h

27.04.2000
	- w3camd/w3camd.c: added option "-d "
	- w3cam.c: added read() support for devices that don't like mmap()
	  (untested), same for w3camd.

15.02.2000
	- fixed a small bug in Makefile.in to prevent linking vidcat with cgi.o

08.02.2000
	- released 0.6.5
	- w3cam.c: changed perror() to log2()

05.02.2000
	- close device before sending the file, so concurrent running CGIs
	  have better chances to open the device

22.01.2000
	- fixed memory leak in vidcat.c:put_image_jpeg()

22.01.2000
	- released 0.6.4
	- w3cam.c: added new config keyword "protected" which when enabled
		skips the process of parsing form variables
	- w3cam.c: fixed a small bug which resulted in bad timestamp pixmaps

21.01.2000
	- minor cosmetic changes

21.01.2000
	- released 0.6.3
	- w3cam.c: fixed memory leak in put_image_png()
	- w3cam.c,font.c: added timestamp feature, not perfect until now,
	  needs the freetype library

20.01.2000
	- w3cam.c: fixed 2 memory leaks

03.09.1999
	- small memory leack fix in w3camd

12.08.1999
	- released 0.6.2
	- minor changes in index.html

06.07.1999
	- w3cam.cgi: added some lines to support gray JPEGs and PNGs

25.01.1999
	- released 0.6.1
	- vidcat.c: use normal read() of mmap() is not supported (not tested!)
	- vidcat.c: usage() gives more compiled-in default values
	- minor changes in Makefile.in
	- vidcat: print errors to stderr instead of stdout

30.12.1998
	- added ppmtoascii - just an test program, ignore it
	- added "-b" for binary PPM to vidcat and modified the conversion function
	- changed usage() of vidcat.c
	- add Makefile.std for the case that configure will not run

30.12.1998
	- released version 0.6
	- added check for math-lib (needed on some systems for libpng !?...)
	  to the configure.in script
	- changed cgi.c to allow non-quoted values in the config file

09.12.1998
	- added "--with-syslog" to the configure script
	- added "norm" to the form options and added SIGTERM and SIGPIPE
	  handling (thx to brian@balancesoftware.com)

01.12.1998
	- changed w3camd.c:image.refresh to float
	- added arg "?quality=#" to w3camd
	- added "-i " to w3camd.c

30.11.1998
	- released version 0.5
	- w3camd seems to work but is not stable :(

28.11.1998
	- added w3camd/ directory with a simple daemon

27.11.1998
	- renamed vcat to vidcat, cause there is still an other tools
	  which is named vcat

16.11.1998
	- w3cam.c: do not close/open if refresh time == 0.0
	- w3cam.c: changed quality_default to from 75 to 65
	- w3cam.c: changed wait loop for open device to 1/4 second / 20 times
	- w3cam.c: changed "refresh" to float value

15.11.1998
	- vcat.c: added loop option "-l" (does it make sense?, piping to xli
	  doesn't work:()
	- w3cam.c,vcat.c: added "cjpeg.dct_method = JDCT_FASTEST;"

13.11.1998
	- added "freqlist" to the config file

12.11.1998
	- added option "freq" to set frequenzy for tuner, set to "0" if
	  you want to use the value which was set by an other program like
	  xawtv.

	- added tripple.html and double.html as an example to watch three
	  inputs at the same time :)

	- changed w3cam.c and w3cam.css to introduce a class "image"

	- add compile time option MIN_REFRESH to ensure minimal refresh time.
	  so no one could set a short refresh time to overload your system.

12.11.1998
	- released version 0.4

	- changed get_image() to mute audio (Chris Dornfeld and Mat Withers
	  wanted this feature) nevertheless there is a little bit sound
	  for some milisecs cause there is time between opening the device
	  and setting the device to mute :(

	- changed get_image(): introduced new option (usleep) for sleeping
	  some micro seconds before capturing, cause Mat Withers said his
	  intel card needs it to adjust it's brightness level..
	  set USEC_DEFAULT in w3cam.c to e.g. 500000 to sleep half a second

	- started ChangeLog