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FFmpeg/libavutil/pixdesc.c

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  1. /*

  2.  * pixel format descriptor

  3.  * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>

  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. #include <stdio.h>

  23. #include <string.h>

  24. 

  25. #include "common.h"

  26. #include "pixfmt.h"

  27. #include "pixdesc.h"

  28. 

  29. #include "intreadwrite.h"

  30. 

  31. void av_read_image_line(uint16_t *dst,

  32.                         const uint8_t *data[4], const int linesize[4],

  33.                         const AVPixFmtDescriptor *desc,

  34.                         int x, int y, int c, int w,

  35.                         int read_pal_component)

  36. {

  37.     AVComponentDescriptor comp = desc->comp[c];

  38.     int plane = comp.plane;

  39.     int depth = comp.depth_minus1 + 1;

  40.     int mask  = (1 << depth) - 1;

  41.     int shift = comp.shift;

  42.     int step  = comp.step_minus1 + 1;

  43.     int flags = desc->flags;

  44. 

  45.     if (flags & PIX_FMT_BITSTREAM) {

  46.         int skip = x * step + comp.offset_plus1 - 1;

  47.         const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);

  48.         int shift = 8 - depth - (skip & 7);

  49. 

  50.         while (w--) {

  51.             int val = (*p >> shift) & mask;

  52.             if (read_pal_component)

  53.                 val = data[1][4*val + c];

  54.             shift -= step;

  55.             p -= shift >> 3;

  56.             shift &= 7;

  57.             *dst++ = val;

  58.         }

  59.     } else {

  60.         const uint8_t *p = data[plane] + y * linesize[plane] +

  61.                            x * step + comp.offset_plus1 - 1;

  62.         int is_8bit = shift + depth <= 8;

  63. 

  64.         if (is_8bit)

  65.             p += !!(flags & PIX_FMT_BE);

  66. 

  67.         while (w--) {

  68.             int val = is_8bit ? *p :

  69.                 flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);

  70.             val = (val >> shift) & mask;

  71.             if (read_pal_component)

  72.                 val = data[1][4 * val + c];

  73.             p += step;

  74.             *dst++ = val;

  75.         }

  76.     }

  77. }

  78. 

  79. void av_write_image_line(const uint16_t *src,

  80.                          uint8_t *data[4], const int linesize[4],

  81.                          const AVPixFmtDescriptor *desc,

  82.                          int x, int y, int c, int w)

  83. {

  84.     AVComponentDescriptor comp = desc->comp[c];

  85.     int plane = comp.plane;

  86.     int depth = comp.depth_minus1 + 1;

  87.     int step  = comp.step_minus1 + 1;

  88.     int flags = desc->flags;

  89. 

  90.     if (flags & PIX_FMT_BITSTREAM) {

  91.         int skip = x * step + comp.offset_plus1 - 1;

  92.         uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);

  93.         int shift = 8 - depth - (skip & 7);

  94. 

  95.         while (w--) {

  96.             *p |= *src++ << shift;

  97.             shift -= step;

  98.             p -= shift >> 3;

  99.             shift &= 7;

  100.         }

  101.     } else {

  102.         int shift = comp.shift;

  103.         uint8_t *p = data[plane] + y * linesize[plane] +

  104.                      x * step + comp.offset_plus1 - 1;

  105. 

  106.         if (shift + depth <= 8) {

  107.             p += !!(flags & PIX_FMT_BE);

  108.             while (w--) {

  109.                 *p |= (*src++ << shift);

  110.                 p += step;

  111.             }

  112.         } else {

  113.             while (w--) {

  114.                 if (flags & PIX_FMT_BE) {

  115.                     uint16_t val = AV_RB16(p) | (*src++ << shift);

  116.                     AV_WB16(p, val);

  117.                 } else {

  118.                     uint16_t val = AV_RL16(p) | (*src++ << shift);

  119.                     AV_WL16(p, val);

  120.                 }

  121.                 p += step;

  122.             }

  123.         }

  124.     }

  125. }

  126. 

  127. #if !FF_API_PIX_FMT_DESC

  128. static

  129. #endif

  130. const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {

  131.     [AV_PIX_FMT_YUV420P] = {

  132.         .name = "yuv420p",

  133.         .nb_components = 3,

  134.         .log2_chroma_w = 1,

  135.         .log2_chroma_h = 1,

  136.         .comp = {

  137.             { 0, 0, 1, 0, 7 },        /* Y */

  138.             { 1, 0, 1, 0, 7 },        /* U */

  139.             { 2, 0, 1, 0, 7 },        /* V */

  140.         },

  141.         .flags = PIX_FMT_PLANAR,

  142.     },

  143.     [AV_PIX_FMT_YUYV422] = {

  144.         .name = "yuyv422",

  145.         .nb_components = 3,

  146.         .log2_chroma_w = 1,

  147.         .log2_chroma_h = 0,

  148.         .comp = {

  149.             { 0, 1, 1, 0, 7 },        /* Y */

  150.             { 0, 3, 2, 0, 7 },        /* U */

  151.             { 0, 3, 4, 0, 7 },        /* V */

  152.         },

  153.     },

  154.     [AV_PIX_FMT_RGB24] = {

  155.         .name = "rgb24",

  156.         .nb_components = 3,

  157.         .log2_chroma_w = 0,

  158.         .log2_chroma_h = 0,

  159.         .comp = {

  160.             { 0, 2, 1, 0, 7 },        /* R */

  161.             { 0, 2, 2, 0, 7 },        /* G */

  162.             { 0, 2, 3, 0, 7 },        /* B */

  163.         },

  164.         .flags = PIX_FMT_RGB,

  165.     },

  166.     [AV_PIX_FMT_BGR24] = {

  167.         .name = "bgr24",

  168.         .nb_components = 3,

  169.         .log2_chroma_w = 0,

  170.         .log2_chroma_h = 0,

  171.         .comp = {

  172.             { 0, 2, 1, 0, 7 },        /* B */

  173.             { 0, 2, 2, 0, 7 },        /* G */

  174.             { 0, 2, 3, 0, 7 },        /* R */

  175.         },

  176.         .flags = PIX_FMT_RGB,

  177.     },

  178.     [AV_PIX_FMT_YUV422P] = {

  179.         .name = "yuv422p",

  180.         .nb_components = 3,

  181.         .log2_chroma_w = 1,

  182.         .log2_chroma_h = 0,

  183.         .comp = {

  184.             { 0, 0, 1, 0, 7 },        /* Y */

  185.             { 1, 0, 1, 0, 7 },        /* U */

  186.             { 2, 0, 1, 0, 7 },        /* V */

  187.         },

  188.         .flags = PIX_FMT_PLANAR,

  189.     },

  190.     [AV_PIX_FMT_YUV444P] = {

  191.         .name = "yuv444p",

  192.         .nb_components = 3,

  193.         .log2_chroma_w = 0,

  194.         .log2_chroma_h = 0,

  195.         .comp = {

  196.             { 0, 0, 1, 0, 7 },        /* Y */

  197.             { 1, 0, 1, 0, 7 },        /* U */

  198.             { 2, 0, 1, 0, 7 },        /* V */

  199.         },

  200.         .flags = PIX_FMT_PLANAR,

  201.     },

  202.     [AV_PIX_FMT_YUV410P] = {

  203.         .name = "yuv410p",

  204.         .nb_components = 3,

  205.         .log2_chroma_w = 2,

  206.         .log2_chroma_h = 2,

  207.         .comp = {

  208.             { 0, 0, 1, 0, 7 },        /* Y */

  209.             { 1, 0, 1, 0, 7 },        /* U */

  210.             { 2, 0, 1, 0, 7 },        /* V */

  211.         },

  212.         .flags = PIX_FMT_PLANAR,

  213.     },

  214.     [AV_PIX_FMT_YUV411P] = {

  215.         .name = "yuv411p",

  216.         .nb_components = 3,

  217.         .log2_chroma_w = 2,

  218.         .log2_chroma_h = 0,

  219.         .comp = {

  220.             { 0, 0, 1, 0, 7 },        /* Y */

  221.             { 1, 0, 1, 0, 7 },        /* U */

  222.             { 2, 0, 1, 0, 7 },        /* V */

  223.         },

  224.         .flags = PIX_FMT_PLANAR,

  225.     },

  226.     [AV_PIX_FMT_GRAY8] = {

  227.         .name = "gray",

  228.         .nb_components = 1,

  229.         .log2_chroma_w = 0,

  230.         .log2_chroma_h = 0,

  231.         .comp = {

  232.             { 0, 0, 1, 0, 7 },        /* Y */

  233.         },

  234.     },

  235.     [AV_PIX_FMT_MONOWHITE] = {

  236.         .name = "monow",

  237.         .nb_components = 1,

  238.         .log2_chroma_w = 0,

  239.         .log2_chroma_h = 0,

  240.         .comp = {

  241.             { 0, 0, 1, 0, 0 },        /* Y */

  242.         },

  243.         .flags = PIX_FMT_BITSTREAM,

  244.     },

  245.     [AV_PIX_FMT_MONOBLACK] = {

  246.         .name = "monob",

  247.         .nb_components = 1,

  248.         .log2_chroma_w = 0,

  249.         .log2_chroma_h = 0,

  250.         .comp = {

  251.             { 0, 0, 1, 7, 0 },        /* Y */

  252.         },

  253.         .flags = PIX_FMT_BITSTREAM,

  254.     },

  255.     [AV_PIX_FMT_PAL8] = {

  256.         .name = "pal8",

  257.         .nb_components = 1,

  258.         .log2_chroma_w = 0,

  259.         .log2_chroma_h = 0,

  260.         .comp = {

  261.             { 0, 0, 1, 0, 7 },

  262.         },

  263.         .flags = PIX_FMT_PAL,

  264.     },

  265.     [AV_PIX_FMT_YUVJ420P] = {

  266.         .name = "yuvj420p",

  267.         .nb_components = 3,

  268.         .log2_chroma_w = 1,

  269.         .log2_chroma_h = 1,

  270.         .comp = {

  271.             { 0, 0, 1, 0, 7 },        /* Y */

  272.             { 1, 0, 1, 0, 7 },        /* U */

  273.             { 2, 0, 1, 0, 7 },        /* V */

  274.         },

  275.         .flags = PIX_FMT_PLANAR,

  276.     },

  277.     [AV_PIX_FMT_YUVJ422P] = {

  278.         .name = "yuvj422p",

  279.         .nb_components = 3,

  280.         .log2_chroma_w = 1,

  281.         .log2_chroma_h = 0,

  282.         .comp = {

  283.             { 0, 0, 1, 0, 7 },        /* Y */

  284.             { 1, 0, 1, 0, 7 },        /* U */

  285.             { 2, 0, 1, 0, 7 },        /* V */

  286.         },

  287.         .flags = PIX_FMT_PLANAR,

  288.     },

  289.     [AV_PIX_FMT_YUVJ444P] = {

  290.         .name = "yuvj444p",

  291.         .nb_components = 3,

  292.         .log2_chroma_w = 0,

  293.         .log2_chroma_h = 0,

  294.         .comp = {

  295.             {0, 0, 1, 0, 7},        /* Y */

  296.             {1, 0, 1, 0, 7},        /* U */

  297.             {2, 0, 1, 0, 7},        /* V */

  298.         },

  299.         .flags = PIX_FMT_PLANAR,

  300.     },

  301.     [AV_PIX_FMT_XVMC_MPEG2_MC] = {

  302.         .name = "xvmcmc",

  303.         .flags = PIX_FMT_HWACCEL,

  304.     },

  305.     [AV_PIX_FMT_XVMC_MPEG2_IDCT] = {

  306.         .name = "xvmcidct",

  307.         .flags = PIX_FMT_HWACCEL,

  308.     },

  309.     [AV_PIX_FMT_UYVY422] = {

  310.         .name = "uyvy422",

  311.         .nb_components = 3,

  312.         .log2_chroma_w = 1,

  313.         .log2_chroma_h = 0,

  314.         .comp = {

  315.             { 0, 1, 2, 0, 7 },        /* Y */

  316.             { 0, 3, 1, 0, 7 },        /* U */

  317.             { 0, 3, 3, 0, 7 },        /* V */

  318.         },

  319.     },

  320.     [AV_PIX_FMT_UYYVYY411] = {

  321.         .name = "uyyvyy411",

  322.         .nb_components = 3,

  323.         .log2_chroma_w = 2,

  324.         .log2_chroma_h = 0,

  325.         .comp = {

  326.             { 0, 3, 2, 0, 7 },        /* Y */

  327.             { 0, 5, 1, 0, 7 },        /* U */

  328.             { 0, 5, 4, 0, 7 },        /* V */

  329.         },

  330.     },

  331.     [AV_PIX_FMT_BGR8] = {

  332.         .name = "bgr8",

  333.         .nb_components = 3,

  334.         .log2_chroma_w = 0,

  335.         .log2_chroma_h = 0,

  336.         .comp = {

  337.             { 0, 0, 1, 6, 1 },        /* B */

  338.             { 0, 0, 1, 3, 2 },        /* G */

  339.             { 0, 0, 1, 0, 2 },        /* R */

  340.         },

  341.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  342.     },

  343.     [AV_PIX_FMT_BGR4] = {

  344.         .name = "bgr4",

  345.         .nb_components = 3,

  346.         .log2_chroma_w = 0,

  347.         .log2_chroma_h = 0,

  348.         .comp = {

  349.             { 0, 3, 1, 0, 0 },        /* B */

  350.             { 0, 3, 2, 0, 1 },        /* G */

  351.             { 0, 3, 4, 0, 0 },        /* R */

  352.         },

  353.         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,

  354.     },

  355.     [AV_PIX_FMT_BGR4_BYTE] = {

  356.         .name = "bgr4_byte",

  357.         .nb_components = 3,

  358.         .log2_chroma_w = 0,

  359.         .log2_chroma_h = 0,

  360.         .comp = {

  361.             { 0, 0, 1, 3, 0 },        /* B */

  362.             { 0, 0, 1, 1, 1 },        /* G */

  363.             { 0, 0, 1, 0, 0 },        /* R */

  364.         },

  365.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  366.     },

  367.     [AV_PIX_FMT_RGB8] = {

  368.         .name = "rgb8",

  369.         .nb_components = 3,

  370.         .log2_chroma_w = 0,

  371.         .log2_chroma_h = 0,

  372.         .comp = {

  373.             { 0, 0, 1, 6, 1 },        /* R */

  374.             { 0, 0, 1, 3, 2 },        /* G */

  375.             { 0, 0, 1, 0, 2 },        /* B */

  376.         },

  377.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  378.     },

  379.     [AV_PIX_FMT_RGB4] = {

  380.         .name = "rgb4",

  381.         .nb_components = 3,

  382.         .log2_chroma_w = 0,

  383.         .log2_chroma_h = 0,

  384.         .comp = {

  385.             { 0, 3, 1, 0, 0 },        /* R */

  386.             { 0, 3, 2, 0, 1 },        /* G */

  387.             { 0, 3, 4, 0, 0 },        /* B */

  388.         },

  389.         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,

  390.     },

  391.     [AV_PIX_FMT_RGB4_BYTE] = {

  392.         .name = "rgb4_byte",

  393.         .nb_components = 3,

  394.         .log2_chroma_w = 0,

  395.         .log2_chroma_h = 0,

  396.         .comp = {

  397.             { 0, 0, 1, 3, 0 },        /* R */

  398.             { 0, 0, 1, 1, 1 },        /* G */

  399.             { 0, 0, 1, 0, 0 },        /* B */

  400.         },

  401.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  402.     },

  403.     [AV_PIX_FMT_NV12] = {

  404.         .name = "nv12",

  405.         .nb_components = 3,

  406.         .log2_chroma_w = 1,

  407.         .log2_chroma_h = 1,

  408.         .comp = {

  409.             { 0, 0, 1, 0, 7 },        /* Y */

  410.             { 1, 1, 1, 0, 7 },        /* U */

  411.             { 1, 1, 2, 0, 7 },        /* V */

  412.         },

  413.         .flags = PIX_FMT_PLANAR,

  414.     },

  415.     [AV_PIX_FMT_NV21] = {

  416.         .name = "nv21",

  417.         .nb_components = 3,

  418.         .log2_chroma_w = 1,

  419.         .log2_chroma_h = 1,

  420.         .comp = {

  421.             { 0, 0, 1, 0, 7 },        /* Y */

  422.             { 1, 1, 1, 0, 7 },        /* V */

  423.             { 1, 1, 2, 0, 7 },        /* U */

  424.         },

  425.         .flags = PIX_FMT_PLANAR,

  426.     },

  427.     [AV_PIX_FMT_ARGB] = {

  428.         .name = "argb",

  429.         .nb_components = 4,

  430.         .log2_chroma_w = 0,

  431.         .log2_chroma_h = 0,

  432.         .comp = {

  433.             { 0, 3, 1, 0, 7 },        /* A */

  434.             { 0, 3, 2, 0, 7 },        /* R */

  435.             { 0, 3, 3, 0, 7 },        /* G */

  436.             { 0, 3, 4, 0, 7 },        /* B */

  437.         },

  438.         .flags = PIX_FMT_RGB,

  439.     },

  440.     [AV_PIX_FMT_RGBA] = {

  441.         .name = "rgba",

  442.         .nb_components = 4,

  443.         .log2_chroma_w = 0,

  444.         .log2_chroma_h = 0,

  445.         .comp = {

  446.             { 0, 3, 1, 0, 7 },        /* R */

  447.             { 0, 3, 2, 0, 7 },        /* G */

  448.             { 0, 3, 3, 0, 7 },        /* B */

  449.             { 0, 3, 4, 0, 7 },        /* A */

  450.         },

  451.         .flags = PIX_FMT_RGB,

  452.     },

  453.     [AV_PIX_FMT_ABGR] = {

  454.         .name = "abgr",

  455.         .nb_components = 4,

  456.         .log2_chroma_w = 0,

  457.         .log2_chroma_h = 0,

  458.         .comp = {

  459.             { 0, 3, 1, 0, 7 },        /* A */

  460.             { 0, 3, 2, 0, 7 },        /* B */

  461.             { 0, 3, 3, 0, 7 },        /* G */

  462.             { 0, 3, 4, 0, 7 },        /* R */

  463.         },

  464.         .flags = PIX_FMT_RGB,

  465.     },

  466.     [AV_PIX_FMT_BGRA] = {

  467.         .name = "bgra",

  468.         .nb_components = 4,

  469.         .log2_chroma_w = 0,

  470.         .log2_chroma_h = 0,

  471.         .comp = {

  472.             { 0, 3, 1, 0, 7 },        /* B */

  473.             { 0, 3, 2, 0, 7 },        /* G */

  474.             { 0, 3, 3, 0, 7 },        /* R */

  475.             { 0, 3, 4, 0, 7 },        /* A */

  476.         },

  477.         .flags = PIX_FMT_RGB,

  478.     },

  479.     [AV_PIX_FMT_GRAY16BE] = {

  480.         .name = "gray16be",

  481.         .nb_components = 1,

  482.         .log2_chroma_w = 0,

  483.         .log2_chroma_h = 0,

  484.         .comp = {

  485.             { 0, 1, 1, 0, 15 },       /* Y */

  486.         },

  487.         .flags = PIX_FMT_BE,

  488.     },

  489.     [AV_PIX_FMT_GRAY16LE] = {

  490.         .name = "gray16le",

  491.         .nb_components = 1,

  492.         .log2_chroma_w = 0,

  493.         .log2_chroma_h = 0,

  494.         .comp = {

  495.             { 0, 1, 1, 0, 15 },       /* Y */

  496.         },

  497.     },

  498.     [AV_PIX_FMT_YUV440P] = {

  499.         .name = "yuv440p",

  500.         .nb_components = 3,

  501.         .log2_chroma_w = 0,

  502.         .log2_chroma_h = 1,

  503.         .comp = {

  504.             { 0, 0, 1, 0, 7 },        /* Y */

  505.             { 1, 0, 1, 0, 7 },        /* U */

  506.             { 2, 0, 1, 0, 7 },        /* V */

  507.         },

  508.         .flags = PIX_FMT_PLANAR,

  509.     },

  510.     [AV_PIX_FMT_YUVJ440P] = {

  511.         .name = "yuvj440p",

  512.         .nb_components = 3,

  513.         .log2_chroma_w = 0,

  514.         .log2_chroma_h = 1,

  515.         .comp = {

  516.             { 0, 0, 1, 0, 7 },        /* Y */

  517.             { 1, 0, 1, 0, 7 },        /* U */

  518.             { 2, 0, 1, 0, 7 },        /* V */

  519.         },

  520.         .flags = PIX_FMT_PLANAR,

  521.     },

  522.     [AV_PIX_FMT_YUVA420P] = {

  523.         .name = "yuva420p",

  524.         .nb_components = 4,

  525.         .log2_chroma_w = 1,

  526.         .log2_chroma_h = 1,

  527.         .comp = {

  528.             { 0, 0, 1, 0, 7 },        /* Y */

  529.             { 1, 0, 1, 0, 7 },        /* U */

  530.             { 2, 0, 1, 0, 7 },        /* V */

  531.             { 3, 0, 1, 0, 7 },        /* A */

  532.         },

  533.         .flags = PIX_FMT_PLANAR,

  534.     },

  535.         [AV_PIX_FMT_YUVA422P] = {

  536.         .name = "yuva422p",

  537.         .nb_components = 4,

  538.         .log2_chroma_w = 1,

  539.         .log2_chroma_h = 0,

  540.         .comp = {

  541.             { 0, 0, 1, 0, 7 },        /* Y */

  542.             { 1, 0, 1, 0, 7 },        /* U */

  543.             { 2, 0, 1, 0, 7 },        /* V */

  544.             { 3, 0, 1, 0, 7 },        /* A */

  545.         },

  546.         .flags = PIX_FMT_PLANAR,

  547.     },

  548.     [AV_PIX_FMT_YUVA444P] = {

  549.         .name = "yuva444p",

  550.         .nb_components = 4,

  551.         .log2_chroma_w = 0,

  552.         .log2_chroma_h = 0,

  553.         .comp = {

  554.             { 0, 0, 1, 0, 7 },        /* Y */

  555.             { 1, 0, 1, 0, 7 },        /* U */

  556.             { 2, 0, 1, 0, 7 },        /* V */

  557.             { 3, 0, 1, 0, 7 },        /* A */

  558.         },

  559.         .flags = PIX_FMT_PLANAR,

  560.     },

  561.     [AV_PIX_FMT_VDPAU_H264] = {

  562.         .name = "vdpau_h264",

  563.         .log2_chroma_w = 1,

  564.         .log2_chroma_h = 1,

  565.         .flags = PIX_FMT_HWACCEL,

  566.     },

  567.     [AV_PIX_FMT_VDPAU_MPEG1] = {

  568.         .name = "vdpau_mpeg1",

  569.         .log2_chroma_w = 1,

  570.         .log2_chroma_h = 1,

  571.         .flags = PIX_FMT_HWACCEL,

  572.     },

  573.     [AV_PIX_FMT_VDPAU_MPEG2] = {

  574.         .name = "vdpau_mpeg2",

  575.         .log2_chroma_w = 1,

  576.         .log2_chroma_h = 1,

  577.         .flags = PIX_FMT_HWACCEL,

  578.     },

  579.     [AV_PIX_FMT_VDPAU_WMV3] = {

  580.         .name = "vdpau_wmv3",

  581.         .log2_chroma_w = 1,

  582.         .log2_chroma_h = 1,

  583.         .flags = PIX_FMT_HWACCEL,

  584.     },

  585.     [AV_PIX_FMT_VDPAU_VC1] = {

  586.         .name = "vdpau_vc1",

  587.         .log2_chroma_w = 1,

  588.         .log2_chroma_h = 1,

  589.         .flags = PIX_FMT_HWACCEL,

  590.     },

  591.     [AV_PIX_FMT_VDPAU_MPEG4] = {

  592.         .name = "vdpau_mpeg4",

  593.         .log2_chroma_w = 1,

  594.         .log2_chroma_h = 1,

  595.         .flags = PIX_FMT_HWACCEL,

  596.     },

  597.     [AV_PIX_FMT_RGB48BE] = {

  598.         .name = "rgb48be",

  599.         .nb_components = 3,

  600.         .log2_chroma_w = 0,

  601.         .log2_chroma_h = 0,

  602.         .comp = {

  603.             { 0, 5, 1, 0, 15 },       /* R */

  604.             { 0, 5, 3, 0, 15 },       /* G */

  605.             { 0, 5, 5, 0, 15 },       /* B */

  606.         },

  607.         .flags = PIX_FMT_RGB | PIX_FMT_BE,

  608.     },

  609.     [AV_PIX_FMT_RGB48LE] = {

  610.         .name = "rgb48le",

  611.         .nb_components = 3,

  612.         .log2_chroma_w = 0,

  613.         .log2_chroma_h = 0,

  614.         .comp = {

  615.             { 0, 5, 1, 0, 15 },       /* R */

  616.             { 0, 5, 3, 0, 15 },       /* G */

  617.             { 0, 5, 5, 0, 15 },       /* B */

  618.         },

  619.         .flags = PIX_FMT_RGB,

  620.     },

  621.     [AV_PIX_FMT_RGB565BE] = {

  622.         .name = "rgb565be",

  623.         .nb_components = 3,

  624.         .log2_chroma_w = 0,

  625.         .log2_chroma_h = 0,

  626.         .comp = {

  627.             { 0, 1, 0, 3, 4 },        /* R */

  628.             { 0, 1, 1, 5, 5 },        /* G */

  629.             { 0, 1, 1, 0, 4 },        /* B */

  630.         },

  631.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  632.     },

  633.     [AV_PIX_FMT_RGB565LE] = {

  634.         .name = "rgb565le",

  635.         .nb_components = 3,

  636.         .log2_chroma_w = 0,

  637.         .log2_chroma_h = 0,

  638.         .comp = {

  639.             { 0, 1, 2, 3, 4 },        /* R */

  640.             { 0, 1, 1, 5, 5 },        /* G */

  641.             { 0, 1, 1, 0, 4 },        /* B */

  642.         },

  643.         .flags = PIX_FMT_RGB,

  644.     },

  645.     [AV_PIX_FMT_RGB555BE] = {

  646.         .name = "rgb555be",

  647.         .nb_components = 3,

  648.         .log2_chroma_w = 0,

  649.         .log2_chroma_h = 0,

  650.         .comp = {

  651.             { 0, 1, 0, 2, 4 },        /* R */

  652.             { 0, 1, 1, 5, 4 },        /* G */

  653.             { 0, 1, 1, 0, 4 },        /* B */

  654.         },

  655.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  656.     },

  657.     [AV_PIX_FMT_RGB555LE] = {

  658.         .name = "rgb555le",

  659.         .nb_components = 3,

  660.         .log2_chroma_w = 0,

  661.         .log2_chroma_h = 0,

  662.         .comp = {

  663.             { 0, 1, 2, 2, 4 },        /* R */

  664.             { 0, 1, 1, 5, 4 },        /* G */

  665.             { 0, 1, 1, 0, 4 },        /* B */

  666.         },

  667.         .flags = PIX_FMT_RGB,

  668.     },

  669.     [AV_PIX_FMT_RGB444BE] = {

  670.         .name = "rgb444be",

  671.         .nb_components = 3,

  672.         .log2_chroma_w = 0,

  673.         .log2_chroma_h = 0,

  674.         .comp = {

  675.             { 0, 1, 0, 0, 3 },        /* R */

  676.             { 0, 1, 1, 4, 3 },        /* G */

  677.             { 0, 1, 1, 0, 3 },        /* B */

  678.         },

  679.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  680.     },

  681.     [AV_PIX_FMT_RGB444LE] = {

  682.         .name = "rgb444le",

  683.         .nb_components = 3,

  684.         .log2_chroma_w = 0,

  685.         .log2_chroma_h = 0,

  686.         .comp = {

  687.             { 0, 1, 2, 0, 3 },        /* R */

  688.             { 0, 1, 1, 4, 3 },        /* G */

  689.             { 0, 1, 1, 0, 3 },        /* B */

  690.         },

  691.         .flags = PIX_FMT_RGB,

  692.     },

  693.     [AV_PIX_FMT_BGR48BE] = {

  694.         .name = "bgr48be",

  695.         .nb_components = 3,

  696.         .log2_chroma_w = 0,

  697.         .log2_chroma_h = 0,

  698.         .comp = {

  699.             { 0, 5, 1, 0, 15 },       /* B */

  700.             { 0, 5, 3, 0, 15 },       /* G */

  701.             { 0, 5, 5, 0, 15 },       /* R */

  702.         },

  703.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  704.     },

  705.     [AV_PIX_FMT_BGR48LE] = {

  706.         .name = "bgr48le",

  707.         .nb_components = 3,

  708.         .log2_chroma_w = 0,

  709.         .log2_chroma_h = 0,

  710.         .comp = {

  711.             { 0, 5, 1, 0, 15 },       /* B */

  712.             { 0, 5, 3, 0, 15 },       /* G */

  713.             { 0, 5, 5, 0, 15 },       /* R */

  714.         },

  715.         .flags = PIX_FMT_RGB,

  716.     },

  717.     [AV_PIX_FMT_BGR565BE] = {

  718.         .name = "bgr565be",

  719.         .nb_components = 3,

  720.         .log2_chroma_w = 0,

  721.         .log2_chroma_h = 0,

  722.         .comp = {

  723.             { 0, 1, 0, 3, 4 },        /* B */

  724.             { 0, 1, 1, 5, 5 },        /* G */

  725.             { 0, 1, 1, 0, 4 },        /* R */

  726.         },

  727.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  728.     },

  729.     [AV_PIX_FMT_BGR565LE] = {

  730.         .name = "bgr565le",

  731.         .nb_components = 3,

  732.         .log2_chroma_w = 0,

  733.         .log2_chroma_h = 0,

  734.         .comp = {

  735.             { 0, 1, 2, 3, 4 },        /* B */

  736.             { 0, 1, 1, 5, 5 },        /* G */

  737.             { 0, 1, 1, 0, 4 },        /* R */

  738.         },

  739.         .flags = PIX_FMT_RGB,

  740.     },

  741.     [AV_PIX_FMT_BGR555BE] = {

  742.         .name = "bgr555be",

  743.         .nb_components = 3,

  744.         .log2_chroma_w = 0,

  745.         .log2_chroma_h = 0,

  746.         .comp = {

  747.             { 0, 1, 0, 2, 4 },       /* B */

  748.             { 0, 1, 1, 5, 4 },       /* G */

  749.             { 0, 1, 1, 0, 4 },       /* R */

  750.         },

  751.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  752.      },

  753.     [AV_PIX_FMT_BGR555LE] = {

  754.         .name = "bgr555le",

  755.         .nb_components = 3,

  756.         .log2_chroma_w = 0,

  757.         .log2_chroma_h = 0,

  758.         .comp = {

  759.             { 0, 1, 2, 2, 4 },        /* B */

  760.             { 0, 1, 1, 5, 4 },        /* G */

  761.             { 0, 1, 1, 0, 4 },        /* R */

  762.         },

  763.         .flags = PIX_FMT_RGB,

  764.     },

  765.     [AV_PIX_FMT_BGR444BE] = {

  766.         .name = "bgr444be",

  767.         .nb_components = 3,

  768.         .log2_chroma_w = 0,

  769.         .log2_chroma_h = 0,

  770.         .comp = {

  771.             { 0, 1, 0, 0, 3 },       /* B */

  772.             { 0, 1, 1, 4, 3 },       /* G */

  773.             { 0, 1, 1, 0, 3 },       /* R */

  774.         },

  775.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  776.      },

  777.     [AV_PIX_FMT_BGR444LE] = {

  778.         .name = "bgr444le",

  779.         .nb_components = 3,

  780.         .log2_chroma_w = 0,

  781.         .log2_chroma_h = 0,

  782.         .comp = {

  783.             { 0, 1, 2, 0, 3 },        /* B */

  784.             { 0, 1, 1, 4, 3 },        /* G */

  785.             { 0, 1, 1, 0, 3 },        /* R */

  786.         },

  787.         .flags = PIX_FMT_RGB,

  788.     },

  789.     [AV_PIX_FMT_VAAPI_MOCO] = {

  790.         .name = "vaapi_moco",

  791.         .log2_chroma_w = 1,

  792.         .log2_chroma_h = 1,

  793.         .flags = PIX_FMT_HWACCEL,

  794.     },

  795.     [AV_PIX_FMT_VAAPI_IDCT] = {

  796.         .name = "vaapi_idct",

  797.         .log2_chroma_w = 1,

  798.         .log2_chroma_h = 1,

  799.         .flags = PIX_FMT_HWACCEL,

  800.     },

  801.     [AV_PIX_FMT_VAAPI_VLD] = {

  802.         .name = "vaapi_vld",

  803.         .log2_chroma_w = 1,

  804.         .log2_chroma_h = 1,

  805.         .flags = PIX_FMT_HWACCEL,

  806.     },

  807.     [AV_PIX_FMT_VDA_VLD] = {

  808.         .name = "vda_vld",

  809.         .log2_chroma_w = 1,

  810.         .log2_chroma_h = 1,

  811.         .flags = PIX_FMT_HWACCEL,

  812.     },

  813.     [AV_PIX_FMT_YUV420P9LE] = {

  814.         .name = "yuv420p9le",

  815.         .nb_components = 3,

  816.         .log2_chroma_w = 1,

  817.         .log2_chroma_h = 1,

  818.         .comp = {

  819.             { 0, 1, 1, 0, 8 },        /* Y */

  820.             { 1, 1, 1, 0, 8 },        /* U */

  821.             { 2, 1, 1, 0, 8 },        /* V */

  822.         },

  823.         .flags = PIX_FMT_PLANAR,

  824.     },

  825.     [AV_PIX_FMT_YUV420P9BE] = {

  826.         .name = "yuv420p9be",

  827.         .nb_components = 3,

  828.         .log2_chroma_w = 1,

  829.         .log2_chroma_h = 1,

  830.         .comp = {

  831.             { 0, 1, 1, 0, 8 },        /* Y */

  832.             { 1, 1, 1, 0, 8 },        /* U */

  833.             { 2, 1, 1, 0, 8 },        /* V */

  834.         },

  835.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  836.     },

  837.     [AV_PIX_FMT_YUV420P10LE] = {

  838.         .name = "yuv420p10le",

  839.         .nb_components = 3,

  840.         .log2_chroma_w = 1,

  841.         .log2_chroma_h = 1,

  842.         .comp = {

  843.             { 0, 1, 1, 0, 9 },        /* Y */

  844.             { 1, 1, 1, 0, 9 },        /* U */

  845.             { 2, 1, 1, 0, 9 },        /* V */

  846.         },

  847.         .flags = PIX_FMT_PLANAR,

  848.     },

  849.     [AV_PIX_FMT_YUV420P10BE] = {

  850.         .name = "yuv420p10be",

  851.         .nb_components = 3,

  852.         .log2_chroma_w = 1,

  853.         .log2_chroma_h = 1,

  854.         .comp = {

  855.             { 0, 1, 1, 0, 9 },        /* Y */

  856.             { 1, 1, 1, 0, 9 },        /* U */

  857.             { 2, 1, 1, 0, 9 },        /* V */

  858.         },

  859.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  860.     },

  861.     [AV_PIX_FMT_YUV420P16LE] = {

  862.         .name = "yuv420p16le",

  863.         .nb_components = 3,

  864.         .log2_chroma_w = 1,

  865.         .log2_chroma_h = 1,

  866.         .comp = {

  867.             { 0, 1, 1, 0, 15 },        /* Y */

  868.             { 1, 1, 1, 0, 15 },        /* U */

  869.             { 2, 1, 1, 0, 15 },        /* V */

  870.         },

  871.         .flags = PIX_FMT_PLANAR,

  872.     },

  873.     [AV_PIX_FMT_YUV420P16BE] = {

  874.         .name = "yuv420p16be",

  875.         .nb_components = 3,

  876.         .log2_chroma_w = 1,

  877.         .log2_chroma_h = 1,

  878.         .comp = {

  879.             { 0, 1, 1, 0, 15 },        /* Y */

  880.             { 1, 1, 1, 0, 15 },        /* U */

  881.             { 2, 1, 1, 0, 15 },        /* V */

  882.         },

  883.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  884.     },

  885.     [AV_PIX_FMT_YUV422P9LE] = {

  886.         .name = "yuv422p9le",

  887.         .nb_components = 3,

  888.         .log2_chroma_w = 1,

  889.         .log2_chroma_h = 0,

  890.         .comp = {

  891.             { 0, 1, 1, 0, 8 },        /* Y */

  892.             { 1, 1, 1, 0, 8 },        /* U */

  893.             { 2, 1, 1, 0, 8 },        /* V */

  894.         },

  895.         .flags = PIX_FMT_PLANAR,

  896.     },

  897.     [AV_PIX_FMT_YUV422P9BE] = {

  898.         .name = "yuv422p9be",

  899.         .nb_components = 3,

  900.         .log2_chroma_w = 1,

  901.         .log2_chroma_h = 0,

  902.         .comp = {

  903.             { 0, 1, 1, 0, 8 },        /* Y */

  904.             { 1, 1, 1, 0, 8 },        /* U */

  905.             { 2, 1, 1, 0, 8 },        /* V */

  906.         },

  907.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  908.     },

  909.     [AV_PIX_FMT_YUV422P10LE] = {

  910.         .name = "yuv422p10le",

  911.         .nb_components = 3,

  912.         .log2_chroma_w = 1,

  913.         .log2_chroma_h = 0,

  914.         .comp = {

  915.             { 0, 1, 1, 0, 9 },        /* Y */

  916.             { 1, 1, 1, 0, 9 },        /* U */

  917.             { 2, 1, 1, 0, 9 },        /* V */

  918.         },

  919.         .flags = PIX_FMT_PLANAR,

  920.     },

  921.     [AV_PIX_FMT_YUV422P10BE] = {

  922.         .name = "yuv422p10be",

  923.         .nb_components = 3,

  924.         .log2_chroma_w = 1,

  925.         .log2_chroma_h = 0,

  926.         .comp = {

  927.             { 0, 1, 1, 0, 9 },        /* Y */

  928.             { 1, 1, 1, 0, 9 },        /* U */

  929.             { 2, 1, 1, 0, 9 },        /* V */

  930.         },

  931.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  932.     },

  933.     [AV_PIX_FMT_YUV422P16LE] = {

  934.         .name = "yuv422p16le",

  935.         .nb_components = 3,

  936.         .log2_chroma_w = 1,

  937.         .log2_chroma_h = 0,

  938.         .comp = {

  939.             { 0, 1, 1, 0, 15 },        /* Y */

  940.             { 1, 1, 1, 0, 15 },        /* U */

  941.             { 2, 1, 1, 0, 15 },        /* V */

  942.         },

  943.         .flags = PIX_FMT_PLANAR,

  944.     },

  945.     [AV_PIX_FMT_YUV422P16BE] = {

  946.         .name = "yuv422p16be",

  947.         .nb_components = 3,

  948.         .log2_chroma_w = 1,

  949.         .log2_chroma_h = 0,

  950.         .comp = {

  951.             { 0, 1, 1, 0, 15 },        /* Y */

  952.             { 1, 1, 1, 0, 15 },        /* U */

  953.             { 2, 1, 1, 0, 15 },        /* V */

  954.         },

  955.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  956.     },

  957.     [AV_PIX_FMT_YUV444P16LE] = {

  958.         .name = "yuv444p16le",

  959.         .nb_components = 3,

  960.         .log2_chroma_w = 0,

  961.         .log2_chroma_h = 0,

  962.         .comp = {

  963.             { 0, 1, 1, 0, 15 },        /* Y */

  964.             { 1, 1, 1, 0, 15 },        /* U */

  965.             { 2, 1, 1, 0, 15 },        /* V */

  966.         },

  967.         .flags = PIX_FMT_PLANAR,

  968.     },

  969.     [AV_PIX_FMT_YUV444P16BE] = {

  970.         .name = "yuv444p16be",

  971.         .nb_components = 3,

  972.         .log2_chroma_w = 0,

  973.         .log2_chroma_h = 0,

  974.         .comp = {

  975.             { 0, 1, 1, 0, 15 },        /* Y */

  976.             { 1, 1, 1, 0, 15 },        /* U */

  977.             { 2, 1, 1, 0, 15 },        /* V */

  978.         },

  979.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  980.     },

  981.     [AV_PIX_FMT_YUV444P10LE] = {

  982.         .name = "yuv444p10le",

  983.         .nb_components = 3,

  984.         .log2_chroma_w = 0,

  985.         .log2_chroma_h = 0,

  986.         .comp = {

  987.             { 0, 1, 1, 0, 9 },        /* Y */

  988.             { 1, 1, 1, 0, 9 },        /* U */

  989.             { 2, 1, 1, 0, 9 },        /* V */

  990.         },

  991.         .flags = PIX_FMT_PLANAR,

  992.     },

  993.     [AV_PIX_FMT_YUV444P10BE] = {

  994.         .name = "yuv444p10be",

  995.         .nb_components = 3,

  996.         .log2_chroma_w = 0,

  997.         .log2_chroma_h = 0,

  998.         .comp = {

  999.             { 0, 1, 1, 0, 9 },        /* Y */

  1000.             { 1, 1, 1, 0, 9 },        /* U */

  1001.             { 2, 1, 1, 0, 9 },        /* V */

  1002.         },

  1003.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  1004.     },

  1005.     [AV_PIX_FMT_YUV444P9LE] = {

  1006.         .name = "yuv444p9le",

  1007.         .nb_components = 3,

  1008.         .log2_chroma_w = 0,

  1009.         .log2_chroma_h = 0,

  1010.         .comp = {

  1011.             { 0, 1, 1, 0, 8 },        /* Y */

  1012.             { 1, 1, 1, 0, 8 },        /* U */

  1013.             { 2, 1, 1, 0, 8 },        /* V */

  1014.         },

  1015.         .flags = PIX_FMT_PLANAR,

  1016.     },

  1017.     [AV_PIX_FMT_YUV444P9BE] = {

  1018.         .name = "yuv444p9be",

  1019.         .nb_components = 3,

  1020.         .log2_chroma_w = 0,

  1021.         .log2_chroma_h = 0,

  1022.         .comp = {

  1023.             { 0, 1, 1, 0, 8 },        /* Y */

  1024.             { 1, 1, 1, 0, 8 },        /* U */

  1025.             { 2, 1, 1, 0, 8 },        /* V */

  1026.         },

  1027.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  1028.     },

  1029.     [AV_PIX_FMT_DXVA2_VLD] = {

  1030.         .name = "dxva2_vld",

  1031.         .log2_chroma_w = 1,

  1032.         .log2_chroma_h = 1,

  1033.         .flags = PIX_FMT_HWACCEL,

  1034.     },

  1035.     [AV_PIX_FMT_Y400A] = {

  1036.         .name = "y400a",

  1037.         .nb_components = 2,

  1038.         .comp = {

  1039.             { 0, 1, 1, 0, 7 },        /* Y */

  1040.             { 0, 1, 2, 0, 7 },        /* A */

  1041.         },

  1042.     },

  1043.     [AV_PIX_FMT_GBRP] = {

  1044.         .name = "gbrp",

  1045.         .nb_components = 3,

  1046.         .log2_chroma_w = 0,

  1047.         .log2_chroma_h = 0,

  1048.         .comp = {

  1049.             { 0, 0, 1, 0, 7 },        /* G */

  1050.             { 1, 0, 1, 0, 7 },        /* B */

  1051.             { 2, 0, 1, 0, 7 },        /* R */

  1052.         },

  1053.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1054.     },

  1055.     [AV_PIX_FMT_GBRP9LE] = {

  1056.         .name = "gbrp9le",

  1057.         .nb_components = 3,

  1058.         .log2_chroma_w = 0,

  1059.         .log2_chroma_h = 0,

  1060.         .comp = {

  1061.             { 0, 1, 1, 0, 8 },        /* G */

  1062.             { 1, 1, 1, 0, 8 },        /* B */

  1063.             { 2, 1, 1, 0, 8 },        /* R */

  1064.         },

  1065.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1066.     },

  1067.     [AV_PIX_FMT_GBRP9BE] = {

  1068.         .name = "gbrp9be",

  1069.         .nb_components = 3,

  1070.         .log2_chroma_w = 0,

  1071.         .log2_chroma_h = 0,

  1072.         .comp = {

  1073.             { 0, 1, 1, 0, 8 },        /* G */

  1074.             { 1, 1, 1, 0, 8 },        /* B */

  1075.             { 2, 1, 1, 0, 8 },        /* R */

  1076.         },

  1077.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,

  1078.     },

  1079.     [AV_PIX_FMT_GBRP10LE] = {

  1080.         .name = "gbrp10le",

  1081.         .nb_components = 3,

  1082.         .log2_chroma_w = 0,

  1083.         .log2_chroma_h = 0,

  1084.         .comp = {

  1085.             { 0, 1, 1, 0, 9 },        /* G */

  1086.             { 1, 1, 1, 0, 9 },        /* B */

  1087.             { 2, 1, 1, 0, 9 },        /* R */

  1088.         },

  1089.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1090.     },

  1091.     [AV_PIX_FMT_GBRP10BE] = {

  1092.         .name = "gbrp10be",

  1093.         .nb_components = 3,

  1094.         .log2_chroma_w = 0,

  1095.         .log2_chroma_h = 0,

  1096.         .comp = {

  1097.             { 0, 1, 1, 0, 9 },        /* G */

  1098.             { 1, 1, 1, 0, 9 },        /* B */

  1099.             { 2, 1, 1, 0, 9 },        /* R */

  1100.         },

  1101.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,

  1102.     },

  1103.     [AV_PIX_FMT_GBRP16LE] = {

  1104.         .name = "gbrp16le",

  1105.         .nb_components = 3,

  1106.         .log2_chroma_w = 0,

  1107.         .log2_chroma_h = 0,

  1108.         .comp = {

  1109.             { 0, 1, 1, 0, 15 },       /* G */

  1110.             { 1, 1, 1, 0, 15 },       /* B */

  1111.             { 2, 1, 1, 0, 15 },       /* R */

  1112.         },

  1113.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1114.     },

  1115.     [AV_PIX_FMT_GBRP16BE] = {

  1116.         .name = "gbrp16be",

  1117.         .nb_components = 3,

  1118.         .log2_chroma_w = 0,

  1119.         .log2_chroma_h = 0,

  1120.         .comp = {

  1121.             { 0, 1, 1, 0, 15 },       /* G */

  1122.             { 1, 1, 1, 0, 15 },       /* B */

  1123.             { 2, 1, 1, 0, 15 },       /* R */

  1124.         },

  1125.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,

  1126.     },

  1127. };

  1128. 

  1129. static enum AVPixelFormat get_pix_fmt_internal(const char *name)

  1130. {

  1131.     enum AVPixelFormat pix_fmt;

  1132. 

  1133.     for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)

  1134.         if (av_pix_fmt_descriptors[pix_fmt].name &&

  1135.             !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))

  1136.             return pix_fmt;

  1137. 

  1138.     return AV_PIX_FMT_NONE;

  1139. }

  1140. 

  1141. const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)

  1142. {

  1143.     return (unsigned)pix_fmt < AV_PIX_FMT_NB ?

  1144.         av_pix_fmt_descriptors[pix_fmt].name : NULL;

  1145. }

  1146. 

  1147. #if HAVE_BIGENDIAN

  1148. #   define X_NE(be, le) be

  1149. #else

  1150. #   define X_NE(be, le) le

  1151. #endif

  1152. 

  1153. enum AVPixelFormat av_get_pix_fmt(const char *name)

  1154. {

  1155.     enum AVPixelFormat pix_fmt;

  1156. 

  1157.     if (!strcmp(name, "rgb32"))

  1158.         name = X_NE("argb", "bgra");

  1159.     else if (!strcmp(name, "bgr32"))

  1160.         name = X_NE("abgr", "rgba");

  1161. 

  1162.     pix_fmt = get_pix_fmt_internal(name);

  1163.     if (pix_fmt == AV_PIX_FMT_NONE) {

  1164.         char name2[32];

  1165. 

  1166.         snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));

  1167.         pix_fmt = get_pix_fmt_internal(name2);

  1168.     }

  1169.     return pix_fmt;

  1170. }

  1171. 

  1172. int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)

  1173. {

  1174.     int c, bits = 0;

  1175.     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;

  1176. 

  1177.     for (c = 0; c < pixdesc->nb_components; c++) {

  1178.         int s = c == 1 || c == 2 ? 0 : log2_pixels;

  1179.         bits += (pixdesc->comp[c].depth_minus1 + 1) << s;

  1180.     }

  1181. 

  1182.     return bits >> log2_pixels;

  1183. }

  1184. 

  1185. char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt)

  1186. {

  1187.     /* print header */

  1188.     if (pix_fmt < 0) {

  1189.        snprintf (buf, buf_size, "name" " nb_components" " nb_bits");

  1190.     } else {

  1191.         const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];

  1192.         snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,

  1193.                  pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));

  1194.     }

  1195. 

  1196.     return buf;

  1197. }

  1198. 

  1199. const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)

  1200. {

  1201.     if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)

  1202.         return NULL;

  1203.     return &av_pix_fmt_descriptors[pix_fmt];

  1204. }

  1205. 

  1206. const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)

  1207. {

  1208.     if (!prev)

  1209.         return &av_pix_fmt_descriptors[0];

  1210.     if (prev - av_pix_fmt_descriptors < FF_ARRAY_ELEMS(av_pix_fmt_descriptors) - 1)

  1211.         return prev + 1;

  1212.     return NULL;

  1213. }

  1214. 

  1215. enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)

  1216. {

  1217.     if (desc < av_pix_fmt_descriptors ||

  1218.         desc >= av_pix_fmt_descriptors + FF_ARRAY_ELEMS(av_pix_fmt_descriptors))

  1219.         return AV_PIX_FMT_NONE;

  1220. 

  1221.     return desc - av_pix_fmt_descriptors;

  1222. }