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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 Libav.

  6.  *

  7.  * Libav 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.  * Libav 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 Libav; 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_UYYVYY411, MKTAG('Y', '4', '1', '1') },

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

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

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

  70. 

  71.     /* nut */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  124.     { PIX_FMT_Y400A,       MKTAG('Y', '2',  0 ,  8 ) },

  125. 

  126.     /* quicktime */

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  142. 

  143.     /* special */

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

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

  146. 

  147.     { PIX_FMT_NONE, 0 },

  148. };

  149. 

  150. unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat fmt)

  151. {

  152.     const PixelFormatTag *tags = ff_raw_pix_fmt_tags;

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

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

  155.             return tags->fourcc;

  156.         tags++;

  157.     }

  158.     return 0;

  159. }