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FFmpeg/libavcodec/raw.c

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  1. /*

  2.  * Raw Video Codec

  3.  * Copyright (c) 2001 Fabrice Bellard

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23.  * @file

  24.  * Raw Video Codec

  25.  */

  26. 

  27. #include "avcodec.h"

  28. #include "raw.h"

  29. 

  30. const PixelFormatTag ff_raw_pix_fmt_tags[] = {

  31.     { PIX_FMT_YUV420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */

  32.     { PIX_FMT_YUV420P, MKTAG('I', 'Y', 'U', 'V') },

  33.     { PIX_FMT_YUV420P, MKTAG('Y', 'V', '1', '2') },

  34.     { PIX_FMT_YUV410P, MKTAG('Y', 'U', 'V', '9') },

  35.     { PIX_FMT_YUV410P, MKTAG('Y', 'V', 'U', '9') },

  36.     { PIX_FMT_YUV411P, MKTAG('Y', '4', '1', 'B') },

  37.     { PIX_FMT_YUV422P, MKTAG('Y', '4', '2', 'B') },

  38.     { PIX_FMT_YUV422P, MKTAG('P', '4', '2', '2') },

  39.     { PIX_FMT_YUV422P, MKTAG('Y', 'V', '1', '6') },

  40.     /* yuvjXXX formats are deprecated hacks specific to libav*,

  41.        they are identical to yuvXXX  */

  42.     { PIX_FMT_YUVJ420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */

  43.     { PIX_FMT_YUVJ420P, MKTAG('I', 'Y', 'U', 'V') },

  44.     { PIX_FMT_YUVJ420P, MKTAG('Y', 'V', '1', '2') },

  45.     { PIX_FMT_YUVJ422P, MKTAG('Y', '4', '2', 'B') },

  46.     { PIX_FMT_YUVJ422P, MKTAG('P', '4', '2', '2') },

  47.     { PIX_FMT_GRAY8,    MKTAG('Y', '8', '0', '0') },

  48.     { PIX_FMT_GRAY8,    MKTAG('Y', '8', ' ', ' ') },

  49. 

  50.     { PIX_FMT_YUYV422, MKTAG('Y', 'U', 'Y', '2') }, /* Packed formats */

  51.     { PIX_FMT_YUYV422, MKTAG('Y', '4', '2', '2') },

  52.     { PIX_FMT_YUYV422, MKTAG('V', '4', '2', '2') },

  53.     { PIX_FMT_YUYV422, MKTAG('V', 'Y', 'U', 'Y') },

  54.     { PIX_FMT_YUYV422, MKTAG('Y', 'U', 'N', 'V') },

  55.     { PIX_FMT_UYVY422, MKTAG('U', 'Y', 'V', 'Y') },

  56.     { PIX_FMT_UYVY422, MKTAG('H', 'D', 'Y', 'C') },

  57.     { PIX_FMT_UYVY422, MKTAG('U', 'Y', 'N', 'V') },

  58.     { PIX_FMT_UYVY422, MKTAG('U', 'Y', 'N', 'Y') },

  59.     { PIX_FMT_UYVY422, MKTAG('u', 'y', 'v', '1') },

  60.     { PIX_FMT_UYVY422, MKTAG('2', 'V', 'u', '1') },

  61.     { PIX_FMT_UYVY422, MKTAG('A', 'V', 'R', 'n') }, /* Avid AVI Codec 1:1 */

  62.     { PIX_FMT_UYVY422, MKTAG('A', 'V', '1', 'x') }, /* Avid 1:1x */

  63.     { PIX_FMT_UYVY422, MKTAG('A', 'V', 'u', 'p') },

  64.     { PIX_FMT_UYVY422, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */

  65.     { PIX_FMT_UYVY422, MKTAG('a', 'u', 'v', '2') },

  66.     { PIX_FMT_UYVY422, MKTAG('c', 'y', 'u', 'v') }, /* CYUV is also Creative YUV */

  67.     { PIX_FMT_UYYVYY411, MKTAG('Y', '4', '1', '1') },

  68.     { PIX_FMT_GRAY8,   MKTAG('G', 'R', 'E', 'Y') },

  69.     { PIX_FMT_NV12,    MKTAG('N', 'V', '1', '2') },

  70.     { PIX_FMT_NV21,    MKTAG('N', 'V', '2', '1') },

  71. 

  72.     /* nut */

  73.     { PIX_FMT_RGB555LE, MKTAG('R', 'G', 'B', 15) },

  74.     { PIX_FMT_BGR555LE, MKTAG('B', 'G', 'R', 15) },

  75.     { PIX_FMT_RGB565LE, MKTAG('R', 'G', 'B', 16) },

  76.     { PIX_FMT_BGR565LE, MKTAG('B', 'G', 'R', 16) },

  77.     { PIX_FMT_RGB555BE, MKTAG(15 , 'B', 'G', 'R') },

  78.     { PIX_FMT_BGR555BE, MKTAG(15 , 'R', 'G', 'B') },

  79.     { PIX_FMT_RGB565BE, MKTAG(16 , 'B', 'G', 'R') },

  80.     { PIX_FMT_BGR565BE, MKTAG(16 , 'R', 'G', 'B') },

  81.     { PIX_FMT_RGB444LE, MKTAG('R', 'G', 'B', 12) },

  82.     { PIX_FMT_BGR444LE, MKTAG('B', 'G', 'R', 12) },

  83.     { PIX_FMT_RGB444BE, MKTAG(12 , 'B', 'G', 'R') },

  84.     { PIX_FMT_BGR444BE, MKTAG(12 , 'R', 'G', 'B') },

  85.     { PIX_FMT_RGBA64LE, MKTAG('R', 'B', 'A', 64 ) },

  86.     { PIX_FMT_BGRA64LE, MKTAG('B', 'R', 'A', 64 ) },

  87.     { PIX_FMT_RGBA64BE, MKTAG(64 , 'R', 'B', 'A') },

  88.     { PIX_FMT_BGRA64BE, MKTAG(64 , 'B', 'R', 'A') },

  89.     { PIX_FMT_RGBA,     MKTAG('R', 'G', 'B', 'A') },

  90.     { PIX_FMT_RGB0,     MKTAG('R', 'G', 'B',  0 ) },

  91.     { PIX_FMT_BGRA,     MKTAG('B', 'G', 'R', 'A') },

  92.     { PIX_FMT_BGR0,     MKTAG('B', 'G', 'R',  0 ) },

  93.     { PIX_FMT_ABGR,     MKTAG('A', 'B', 'G', 'R') },

  94.     { PIX_FMT_0BGR,     MKTAG( 0 , 'B', 'G', 'R') },

  95.     { PIX_FMT_ARGB,     MKTAG('A', 'R', 'G', 'B') },

  96.     { PIX_FMT_0RGB,     MKTAG( 0 , 'R', 'G', 'B') },

  97.     { PIX_FMT_RGB24,    MKTAG('R', 'G', 'B', 24 ) },

  98.     { PIX_FMT_BGR24,    MKTAG('B', 'G', 'R', 24 ) },

  99.     { PIX_FMT_YUV411P,  MKTAG('4', '1', '1', 'P') },

  100.     { PIX_FMT_YUV422P,  MKTAG('4', '2', '2', 'P') },

  101.     { PIX_FMT_YUVJ422P, MKTAG('4', '2', '2', 'P') },

  102.     { PIX_FMT_YUV440P,  MKTAG('4', '4', '0', 'P') },

  103.     { PIX_FMT_YUVJ440P, MKTAG('4', '4', '0', 'P') },

  104.     { PIX_FMT_YUV444P,  MKTAG('4', '4', '4', 'P') },

  105.     { PIX_FMT_YUVJ444P, MKTAG('4', '4', '4', 'P') },

  106.     { PIX_FMT_MONOWHITE,MKTAG('B', '1', 'W', '0') },

  107.     { PIX_FMT_MONOBLACK,MKTAG('B', '0', 'W', '1') },

  108.     { PIX_FMT_BGR8,     MKTAG('B', 'G', 'R',  8 ) },

  109.     { PIX_FMT_RGB8,     MKTAG('R', 'G', 'B',  8 ) },

  110.     { PIX_FMT_BGR4,     MKTAG('B', 'G', 'R',  4 ) },

  111.     { PIX_FMT_RGB4,     MKTAG('R', 'G', 'B',  4 ) },

  112.     { PIX_FMT_RGB4_BYTE,MKTAG('B', '4', 'B', 'Y') },

  113.     { PIX_FMT_BGR4_BYTE,MKTAG('R', '4', 'B', 'Y') },

  114.     { PIX_FMT_RGB48LE,  MKTAG('R', 'G', 'B', 48 ) },

  115.     { PIX_FMT_RGB48BE,  MKTAG( 48, 'R', 'G', 'B') },

  116.     { PIX_FMT_BGR48LE,  MKTAG('B', 'G', 'R', 48 ) },

  117.     { PIX_FMT_BGR48BE,  MKTAG( 48, 'B', 'G', 'R') },

  118.     { PIX_FMT_GRAY16LE,    MKTAG('Y', '1',  0 , 16 ) },

  119.     { PIX_FMT_GRAY16BE,    MKTAG(16 ,  0 , '1', 'Y') },

  120.     { PIX_FMT_YUV420P10LE, MKTAG('Y', '3', 11 , 10 ) },

  121.     { PIX_FMT_YUV420P10BE, MKTAG(10 , 11 , '3', 'Y') },

  122.     { PIX_FMT_YUV422P10LE, MKTAG('Y', '3', 10 , 10 ) },

  123.     { PIX_FMT_YUV422P10BE, MKTAG(10 , 10 , '3', 'Y') },

  124.     { PIX_FMT_YUV444P10LE, MKTAG('Y', '3',  0 , 10 ) },

  125.     { PIX_FMT_YUV444P10BE, MKTAG(10 ,  0 , '3', 'Y') },

  126.     { PIX_FMT_YUV420P16LE, MKTAG('Y', '3', 11 , 16 ) },

  127.     { PIX_FMT_YUV420P16BE, MKTAG(16 , 11 , '3', 'Y') },

  128.     { PIX_FMT_YUV422P16LE, MKTAG('Y', '3', 10 , 16 ) },

  129.     { PIX_FMT_YUV422P16BE, MKTAG(16 , 10 , '3', 'Y') },

  130.     { PIX_FMT_YUV444P16LE, MKTAG('Y', '3',  0 , 16 ) },

  131.     { PIX_FMT_YUV444P16BE, MKTAG(16 ,  0 , '3', 'Y') },

  132.     { PIX_FMT_YUVA420P,    MKTAG('Y', '4', 11 ,  8 ) },

  133.     { PIX_FMT_YUVA422P,    MKTAG('Y', '4', 10 ,  8 ) },

  134.     { PIX_FMT_YUVA444P,    MKTAG('Y', '4',  0 ,  8 ) },

  135.     { PIX_FMT_GRAY8A,      MKTAG('Y', '2',  0 ,  8 ) },

  136. 

  137.     /* quicktime */

  138.     { PIX_FMT_YUV420P, MKTAG('R', '4', '2', '0') }, /* Radius DV YUV PAL */

  139.     { PIX_FMT_YUV411P, MKTAG('R', '4', '1', '1') }, /* Radius DV YUV NTSC */

  140.     { PIX_FMT_UYVY422, MKTAG('2', 'v', 'u', 'y') },

  141.     { PIX_FMT_UYVY422, MKTAG('2', 'V', 'u', 'y') },

  142.     { PIX_FMT_UYVY422, MKTAG('A', 'V', 'U', 'I') }, /* FIXME merge both fields */

  143.     { PIX_FMT_UYVY422, MKTAG('b', 'x', 'y', 'v') },

  144.     { PIX_FMT_YUYV422, MKTAG('y', 'u', 'v', '2') },

  145.     { PIX_FMT_YUYV422, MKTAG('y', 'u', 'v', 's') },

  146.     { PIX_FMT_YUYV422, MKTAG('D', 'V', 'O', 'O') }, /* Digital Voodoo SD 8 Bit */

  147.     { PIX_FMT_RGB555LE,MKTAG('L', '5', '5', '5') },

  148.     { PIX_FMT_RGB565LE,MKTAG('L', '5', '6', '5') },

  149.     { PIX_FMT_RGB565BE,MKTAG('B', '5', '6', '5') },

  150.     { PIX_FMT_BGR24,   MKTAG('2', '4', 'B', 'G') },

  151.     { PIX_FMT_BGR24,   MKTAG('b', 'x', 'b', 'g') },

  152.     { PIX_FMT_BGRA,    MKTAG('B', 'G', 'R', 'A') },

  153.     { PIX_FMT_RGBA,    MKTAG('R', 'G', 'B', 'A') },

  154.     { PIX_FMT_RGB24,   MKTAG('b', 'x', 'r', 'g') },

  155.     { PIX_FMT_ABGR,    MKTAG('A', 'B', 'G', 'R') },

  156.     { PIX_FMT_GRAY16BE,MKTAG('b', '1', '6', 'g') },

  157.     { PIX_FMT_RGB48BE, MKTAG('b', '4', '8', 'r') },

  158. 

  159.     /* special */

  160.     { PIX_FMT_RGB565LE,MKTAG( 3 ,  0 ,  0 ,  0 ) }, /* flipped RGB565LE */

  161.     { PIX_FMT_YUV444P, MKTAG('Y', 'V', '2', '4') }, /* YUV444P, swapped UV */

  162.     { PIX_FMT_YUYV422, MKTAG('Y', 'V', 'Y', 'U') }, /* YUYV, swapped UV */

  163. 

  164.     { PIX_FMT_NONE, 0 },

  165. };

  166. 

  167. unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat fmt)

  168. {

  169.     const PixelFormatTag *tags = ff_raw_pix_fmt_tags;

  170.     while (tags->pix_fmt >= 0) {

  171.         if (tags->pix_fmt == fmt)

  172.             return tags->fourcc;

  173.         tags++;

  174.     }

  175.     return 0;

  176. }

  177. 

  178. #ifdef TEST

  179. 

  180. #include <unistd.h>             /* getopt */

  181. #include "libavutil/pixdesc.h"

  182. 

  183. #undef printf

  184. #undef fprintf

  185. 

  186. static void usage(void)

  187. {

  188.     printf("\n"

  189.            "Options:\n"

  190.            "-l                list the pixel format for each fourcc\n"

  191.            "-L                list the fourccs for each pixel format\n"

  192.            "-p PIX_FMT        given a pixel format, print the list of associated fourccs\n"

  193.            "-h                print this help\n");

  194. }

  195. 

  196. static void print_pix_fmt_fourccs(enum PixelFormat pix_fmt, char sep)

  197. {

  198.     int i;

  199. 

  200.     for (i = 0; i < FF_ARRAY_ELEMS(ff_raw_pix_fmt_tags); i++) {

  201.         if (ff_raw_pix_fmt_tags[i].pix_fmt == pix_fmt) {

  202.             char buf[32];

  203.             av_get_codec_tag_string(buf, sizeof(buf), ff_raw_pix_fmt_tags[i].fourcc);

  204.             printf("%s%c", buf, sep);

  205.         }

  206.     }

  207. }

  208. 

  209. int main(int argc, char **argv)

  210. {

  211.     int i, list_fourcc_pix_fmt = 0, list_pix_fmt_fourccs = 0;

  212.     const char *pix_fmt_name = NULL;

  213.     char c;

  214. 

  215.     if (argc == 1) {

  216.         usage();

  217.         return 0;

  218.     }

  219. 

  220.     while ((c = getopt(argc, argv, "hp:lL")) != -1) {

  221.         switch (c) {

  222.         case 'h':

  223.             usage();

  224.             return 0;

  225.         case 'l':

  226.             list_fourcc_pix_fmt = 1;

  227.             break;

  228.         case 'L':

  229.             list_pix_fmt_fourccs = 1;

  230.             break;

  231.         case 'p':

  232.             pix_fmt_name = optarg;

  233.             break;

  234.         case '?':

  235.             usage();

  236.             return 1;

  237.         }

  238.     }

  239. 

  240.     if (list_fourcc_pix_fmt) {

  241.         /* print a list of pixel format / fourcc */

  242.         for (i = 0; i < FF_ARRAY_ELEMS(ff_raw_pix_fmt_tags); i++) {

  243.             char buf[32];

  244.             av_get_codec_tag_string(buf, sizeof(buf), ff_raw_pix_fmt_tags[i].fourcc);

  245.             if (ff_raw_pix_fmt_tags[i].pix_fmt != PIX_FMT_NONE)

  246.                 printf("%s: %s\n", av_get_pix_fmt_name(ff_raw_pix_fmt_tags[i].pix_fmt), buf);

  247.         }

  248.     }

  249. 

  250.     if (list_pix_fmt_fourccs) {

  251.         for (i = 0; i < PIX_FMT_NB; i++) {

  252.             const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[i];

  253.             if (!pix_desc->name || pix_desc->flags & PIX_FMT_HWACCEL)

  254.                 continue;

  255.             printf("%s: ", pix_desc->name);

  256.             print_pix_fmt_fourccs(i, ' ');

  257.             printf("\n");

  258.         }

  259.     }

  260. 

  261.     if (pix_fmt_name) {

  262.         enum PixelFormat pix_fmt = av_get_pix_fmt(pix_fmt_name);

  263.         if (pix_fmt == PIX_FMT_NONE) {

  264.             fprintf(stderr, "Invalid pixel format selected '%s'\n", pix_fmt_name);

  265.             return 1;

  266.         }

  267.         print_pix_fmt_fourccs(pix_fmt, '\n');

  268.     }

  269. 

  270.     return 0;

  271. }

  272. #endif