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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 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. #include <stdio.h>

  23. #include <string.h>

  24. #include "pixfmt.h"

  25. #include "pixdesc.h"

  26. 

  27. #include "intreadwrite.h"

  28. 

  29. void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],

  30.                         const AVPixFmtDescriptor *desc, int x, int y, int c, int w,

  31.                         int read_pal_component)

  32. {

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

  34.     int plane = comp.plane;

  35.     int depth = comp.depth_minus1 + 1;

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

  37.     int shift = comp.shift;

  38.     int step  = comp.step_minus1 + 1;

  39.     int flags = desc->flags;

  40. 

  41.     if (flags & PIX_FMT_BITSTREAM) {

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

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

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

  45. 

  46.         while (w--) {

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

  48.             if (read_pal_component)

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

  50.             shift -= step;

  51.             p -= shift >> 3;

  52.             shift &= 7;

  53.             *dst++ = val;

  54.         }

  55.     } else {

  56.         const uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1;

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

  58. 

  59.         if (is_8bit)

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

  61. 

  62.         while (w--) {

  63.             int val = is_8bit ? *p :

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

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

  66.             if (read_pal_component)

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

  68.             p += step;

  69.             *dst++ = val;

  70.         }

  71.     }

  72. }

  73. 

  74. void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],

  75.                          const AVPixFmtDescriptor *desc, int x, int y, int c, int w)

  76. {

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

  78.     int plane = comp.plane;

  79.     int depth = comp.depth_minus1 + 1;

  80.     int step  = comp.step_minus1 + 1;

  81.     int flags = desc->flags;

  82. 

  83.     if (flags & PIX_FMT_BITSTREAM) {

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

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

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

  87. 

  88.         while (w--) {

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

  90.             shift -= step;

  91.             p -= shift >> 3;

  92.             shift &= 7;

  93.         }

  94.     } else {

  95.         int shift = comp.shift;

  96.         uint8_t *p = data[plane] + y * linesize[plane] + x * step + comp.offset_plus1 - 1;

  97. 

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

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

  100.             while (w--) {

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

  102.                 p += step;

  103.             }

  104.         } else {

  105.             while (w--) {

  106.                 if (flags & PIX_FMT_BE) {

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

  108.                     AV_WB16(p, val);

  109.                 } else {

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

  111.                     AV_WL16(p, val);

  112.                 }

  113.                 p += step;

  114.             }

  115.         }

  116.     }

  117. }

  118. 

  119. const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {

  120.     [PIX_FMT_YUV420P] = {

  121.         .name = "yuv420p",

  122.         .nb_components = 3,

  123.         .log2_chroma_w = 1,

  124.         .log2_chroma_h = 1,

  125.         .comp = {

  126.             { 0, 0, 1, 0, 7 },        /* Y */

  127.             { 1, 0, 1, 0, 7 },        /* U */

  128.             { 2, 0, 1, 0, 7 },        /* V */

  129.         },

  130.         .flags = PIX_FMT_PLANAR,

  131.     },

  132.     [PIX_FMT_YUYV422] = {

  133.         .name = "yuyv422",

  134.         .nb_components = 3,

  135.         .log2_chroma_w = 1,

  136.         .log2_chroma_h = 0,

  137.         .comp = {

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

  139.             { 0, 3, 2, 0, 7 },        /* U */

  140.             { 0, 3, 4, 0, 7 },        /* V */

  141.         },

  142.     },

  143.     [PIX_FMT_RGB24] = {

  144.         .name = "rgb24",

  145.         .nb_components = 3,

  146.         .log2_chroma_w = 0,

  147.         .log2_chroma_h = 0,

  148.         .comp = {

  149.             { 0, 2, 1, 0, 7 },        /* R */

  150.             { 0, 2, 2, 0, 7 },        /* G */

  151.             { 0, 2, 3, 0, 7 },        /* B */

  152.         },

  153.         .flags = PIX_FMT_RGB,

  154.     },

  155.     [PIX_FMT_BGR24] = {

  156.         .name = "bgr24",

  157.         .nb_components = 3,

  158.         .log2_chroma_w = 0,

  159.         .log2_chroma_h = 0,

  160.         .comp = {

  161.             { 0, 2, 3, 0, 7 },        /* R */

  162.             { 0, 2, 2, 0, 7 },        /* G */

  163.             { 0, 2, 1, 0, 7 },        /* B */

  164.         },

  165.         .flags = PIX_FMT_RGB,

  166.     },

  167.     [PIX_FMT_YUV422P] = {

  168.         .name = "yuv422p",

  169.         .nb_components = 3,

  170.         .log2_chroma_w = 1,

  171.         .log2_chroma_h = 0,

  172.         .comp = {

  173.             { 0, 0, 1, 0, 7 },        /* Y */

  174.             { 1, 0, 1, 0, 7 },        /* U */

  175.             { 2, 0, 1, 0, 7 },        /* V */

  176.         },

  177.         .flags = PIX_FMT_PLANAR,

  178.     },

  179.     [PIX_FMT_YUV444P] = {

  180.         .name = "yuv444p",

  181.         .nb_components = 3,

  182.         .log2_chroma_w = 0,

  183.         .log2_chroma_h = 0,

  184.         .comp = {

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

  186.             { 1, 0, 1, 0, 7 },        /* U */

  187.             { 2, 0, 1, 0, 7 },        /* V */

  188.         },

  189.         .flags = PIX_FMT_PLANAR,

  190.     },

  191.     [PIX_FMT_YUV410P] = {

  192.         .name = "yuv410p",

  193.         .nb_components = 3,

  194.         .log2_chroma_w = 2,

  195.         .log2_chroma_h = 2,

  196.         .comp = {

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

  198.             { 1, 0, 1, 0, 7 },        /* U */

  199.             { 2, 0, 1, 0, 7 },        /* V */

  200.         },

  201.         .flags = PIX_FMT_PLANAR,

  202.     },

  203.     [PIX_FMT_YUV411P] = {

  204.         .name = "yuv411p",

  205.         .nb_components = 3,

  206.         .log2_chroma_w = 2,

  207.         .log2_chroma_h = 0,

  208.         .comp = {

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

  210.             { 1, 0, 1, 0, 7 },        /* U */

  211.             { 2, 0, 1, 0, 7 },        /* V */

  212.         },

  213.         .flags = PIX_FMT_PLANAR,

  214.     },

  215.     [PIX_FMT_GRAY8] = {

  216.         .name = "gray",

  217.         .nb_components = 1,

  218.         .log2_chroma_w = 0,

  219.         .log2_chroma_h = 0,

  220.         .comp = {

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

  222.         },

  223.         .flags = PIX_FMT_PSEUDOPAL,

  224.     },

  225.     [PIX_FMT_MONOWHITE] = {

  226.         .name = "monow",

  227.         .nb_components = 1,

  228.         .log2_chroma_w = 0,

  229.         .log2_chroma_h = 0,

  230.         .comp = {

  231.             { 0, 0, 1, 0, 0 },        /* Y */

  232.         },

  233.         .flags = PIX_FMT_BITSTREAM,

  234.     },

  235.     [PIX_FMT_MONOBLACK] = {

  236.         .name = "monob",

  237.         .nb_components = 1,

  238.         .log2_chroma_w = 0,

  239.         .log2_chroma_h = 0,

  240.         .comp = {

  241.             { 0, 0, 1, 7, 0 },        /* Y */

  242.         },

  243.         .flags = PIX_FMT_BITSTREAM,

  244.     },

  245.     [PIX_FMT_PAL8] = {

  246.         .name = "pal8",

  247.         .nb_components = 1,

  248.         .log2_chroma_w = 0,

  249.         .log2_chroma_h = 0,

  250.         .comp = {

  251.             { 0, 0, 1, 0, 7 },

  252.         },

  253.         .flags = PIX_FMT_PAL,

  254.     },

  255.     [PIX_FMT_YUVJ420P] = {

  256.         .name = "yuvj420p",

  257.         .nb_components = 3,

  258.         .log2_chroma_w = 1,

  259.         .log2_chroma_h = 1,

  260.         .comp = {

  261.             { 0, 0, 1, 0, 7 },        /* Y */

  262.             { 1, 0, 1, 0, 7 },        /* U */

  263.             { 2, 0, 1, 0, 7 },        /* V */

  264.         },

  265.         .flags = PIX_FMT_PLANAR,

  266.     },

  267.     [PIX_FMT_YUVJ422P] = {

  268.         .name = "yuvj422p",

  269.         .nb_components = 3,

  270.         .log2_chroma_w = 1,

  271.         .log2_chroma_h = 0,

  272.         .comp = {

  273.             { 0, 0, 1, 0, 7 },        /* Y */

  274.             { 1, 0, 1, 0, 7 },        /* U */

  275.             { 2, 0, 1, 0, 7 },        /* V */

  276.         },

  277.         .flags = PIX_FMT_PLANAR,

  278.     },

  279.     [PIX_FMT_YUVJ444P] = {

  280.         .name = "yuvj444p",

  281.         .nb_components = 3,

  282.         .log2_chroma_w = 0,

  283.         .log2_chroma_h = 0,

  284.         .comp = {

  285.             { 0, 0, 1, 0, 7 },        /* Y */

  286.             { 1, 0, 1, 0, 7 },        /* U */

  287.             { 2, 0, 1, 0, 7 },        /* V */

  288.         },

  289.         .flags = PIX_FMT_PLANAR,

  290.     },

  291.     [PIX_FMT_XVMC_MPEG2_MC] = {

  292.         .name = "xvmcmc",

  293.         .flags = PIX_FMT_HWACCEL,

  294.     },

  295.     [PIX_FMT_XVMC_MPEG2_IDCT] = {

  296.         .name = "xvmcidct",

  297.         .flags = PIX_FMT_HWACCEL,

  298.     },

  299.     [PIX_FMT_UYVY422] = {

  300.         .name = "uyvy422",

  301.         .nb_components = 3,

  302.         .log2_chroma_w = 1,

  303.         .log2_chroma_h = 0,

  304.         .comp = {

  305.             { 0, 1, 2, 0, 7 },        /* Y */

  306.             { 0, 3, 1, 0, 7 },        /* U */

  307.             { 0, 3, 3, 0, 7 },        /* V */

  308.         },

  309.     },

  310.     [PIX_FMT_UYYVYY411] = {

  311.         .name = "uyyvyy411",

  312.         .nb_components = 3,

  313.         .log2_chroma_w = 2,

  314.         .log2_chroma_h = 0,

  315.         .comp = {

  316.             { 0, 3, 2, 0, 7 },        /* Y */

  317.             { 0, 5, 1, 0, 7 },        /* U */

  318.             { 0, 5, 4, 0, 7 },        /* V */

  319.         },

  320.     },

  321.     [PIX_FMT_BGR8] = {

  322.         .name = "bgr8",

  323.         .nb_components = 3,

  324.         .log2_chroma_w = 0,

  325.         .log2_chroma_h = 0,

  326.         .comp = {

  327.             { 0, 0, 1, 0, 2 },        /* R */

  328.             { 0, 0, 1, 3, 2 },        /* G */

  329.             { 0, 0, 1, 6, 1 },        /* B */

  330.         },

  331.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  332.     },

  333.     [PIX_FMT_BGR4] = {

  334.         .name = "bgr4",

  335.         .nb_components = 3,

  336.         .log2_chroma_w = 0,

  337.         .log2_chroma_h = 0,

  338.         .comp = {

  339.             { 0, 3, 4, 0, 0 },        /* R */

  340.             { 0, 3, 2, 0, 1 },        /* G */

  341.             { 0, 3, 1, 0, 0 },        /* B */

  342.         },

  343.         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,

  344.     },

  345.     [PIX_FMT_BGR4_BYTE] = {

  346.         .name = "bgr4_byte",

  347.         .nb_components = 3,

  348.         .log2_chroma_w = 0,

  349.         .log2_chroma_h = 0,

  350.         .comp = {

  351.             { 0, 0, 1, 0, 0 },        /* R */

  352.             { 0, 0, 1, 1, 1 },        /* G */

  353.             { 0, 0, 1, 3, 0 },        /* B */

  354.         },

  355.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  356.     },

  357.     [PIX_FMT_RGB8] = {

  358.         .name = "rgb8",

  359.         .nb_components = 3,

  360.         .log2_chroma_w = 0,

  361.         .log2_chroma_h = 0,

  362.         .comp = {

  363.             { 0, 0, 1, 6, 1 },        /* R */

  364.             { 0, 0, 1, 3, 2 },        /* G */

  365.             { 0, 0, 1, 0, 2 },        /* B */

  366.         },

  367.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  368.     },

  369.     [PIX_FMT_RGB4] = {

  370.         .name = "rgb4",

  371.         .nb_components = 3,

  372.         .log2_chroma_w = 0,

  373.         .log2_chroma_h = 0,

  374.         .comp = {

  375.             { 0, 3, 1, 0, 0 },        /* R */

  376.             { 0, 3, 2, 0, 1 },        /* G */

  377.             { 0, 3, 4, 0, 0 },        /* B */

  378.         },

  379.         .flags = PIX_FMT_BITSTREAM | PIX_FMT_RGB,

  380.     },

  381.     [PIX_FMT_RGB4_BYTE] = {

  382.         .name = "rgb4_byte",

  383.         .nb_components = 3,

  384.         .log2_chroma_w = 0,

  385.         .log2_chroma_h = 0,

  386.         .comp = {

  387.             { 0, 0, 1, 3, 0 },        /* R */

  388.             { 0, 0, 1, 1, 1 },        /* G */

  389.             { 0, 0, 1, 0, 0 },        /* B */

  390.         },

  391.         .flags = PIX_FMT_RGB | PIX_FMT_PSEUDOPAL,

  392.     },

  393.     [PIX_FMT_NV12] = {

  394.         .name = "nv12",

  395.         .nb_components = 3,

  396.         .log2_chroma_w = 1,

  397.         .log2_chroma_h = 1,

  398.         .comp = {

  399.             { 0, 0, 1, 0, 7 },        /* Y */

  400.             { 1, 1, 1, 0, 7 },        /* U */

  401.             { 1, 1, 2, 0, 7 },        /* V */

  402.         },

  403.         .flags = PIX_FMT_PLANAR,

  404.     },

  405.     [PIX_FMT_NV21] = {

  406.         .name = "nv21",

  407.         .nb_components = 3,

  408.         .log2_chroma_w = 1,

  409.         .log2_chroma_h = 1,

  410.         .comp = {

  411.             { 0, 0, 1, 0, 7 },        /* Y */

  412.             { 1, 1, 2, 0, 7 },        /* U */

  413.             { 1, 1, 1, 0, 7 },        /* V */

  414.         },

  415.         .flags = PIX_FMT_PLANAR,

  416.     },

  417.     [PIX_FMT_ARGB] = {

  418.         .name = "argb",

  419.         .nb_components = 4,

  420.         .log2_chroma_w = 0,

  421.         .log2_chroma_h = 0,

  422.         .comp = {

  423.             { 0, 3, 2, 0, 7 },        /* R */

  424.             { 0, 3, 3, 0, 7 },        /* G */

  425.             { 0, 3, 4, 0, 7 },        /* B */

  426.             { 0, 3, 1, 0, 7 },        /* A */

  427.         },

  428.         .flags = PIX_FMT_RGB,

  429.     },

  430.     [PIX_FMT_RGBA] = {

  431.         .name = "rgba",

  432.         .nb_components = 4,

  433.         .log2_chroma_w = 0,

  434.         .log2_chroma_h = 0,

  435.         .comp = {

  436.             { 0, 3, 1, 0, 7 },        /* R */

  437.             { 0, 3, 2, 0, 7 },        /* G */

  438.             { 0, 3, 3, 0, 7 },        /* B */

  439.             { 0, 3, 4, 0, 7 },        /* A */

  440.         },

  441.         .flags = PIX_FMT_RGB,

  442.     },

  443.     [PIX_FMT_ABGR] = {

  444.         .name = "abgr",

  445.         .nb_components = 4,

  446.         .log2_chroma_w = 0,

  447.         .log2_chroma_h = 0,

  448.         .comp = {

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

  450.             { 0, 3, 3, 0, 7 },        /* G */

  451.             { 0, 3, 2, 0, 7 },        /* B */

  452.             { 0, 3, 1, 0, 7 },        /* A */

  453.         },

  454.         .flags = PIX_FMT_RGB,

  455.     },

  456.     [PIX_FMT_BGRA] = {

  457.         .name = "bgra",

  458.         .nb_components = 4,

  459.         .log2_chroma_w = 0,

  460.         .log2_chroma_h = 0,

  461.         .comp = {

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

  463.             { 0, 3, 2, 0, 7 },        /* G */

  464.             { 0, 3, 1, 0, 7 },        /* B */

  465.             { 0, 3, 4, 0, 7 },        /* A */

  466.         },

  467.         .flags = PIX_FMT_RGB,

  468.     },

  469.     [PIX_FMT_0RGB] = {

  470.         .name = "0rgb",

  471.         .nb_components= 3,

  472.         .log2_chroma_w= 0,

  473.         .log2_chroma_h= 0,

  474.         .comp = {

  475.             { 0, 3, 2, 0, 7 },        /* R */

  476.             { 0, 3, 3, 0, 7 },        /* G */

  477.             { 0, 3, 4, 0, 7 },        /* B */

  478.         },

  479.         .flags = PIX_FMT_RGB,

  480.     },

  481.     [PIX_FMT_RGB0] = {

  482.         .name = "rgb0",

  483.         .nb_components= 3,

  484.         .log2_chroma_w= 0,

  485.         .log2_chroma_h= 0,

  486.         .comp = {

  487.             { 0, 3, 1, 0, 7 },        /* R */

  488.             { 0, 3, 2, 0, 7 },        /* G */

  489.             { 0, 3, 3, 0, 7 },        /* B */

  490.             { 0, 3, 4, 0, 7 },        /* A */

  491.         },

  492.         .flags = PIX_FMT_RGB,

  493.     },

  494.     [PIX_FMT_0BGR] = {

  495.         .name = "0bgr",

  496.         .nb_components= 3,

  497.         .log2_chroma_w= 0,

  498.         .log2_chroma_h= 0,

  499.         .comp = {

  500.             { 0, 3, 4, 0, 7 },        /* R */

  501.             { 0, 3, 3, 0, 7 },        /* G */

  502.             { 0, 3, 2, 0, 7 },        /* B */

  503.         },

  504.         .flags = PIX_FMT_RGB,

  505.     },

  506.     [PIX_FMT_BGR0] = {

  507.         .name = "bgr0",

  508.         .nb_components= 3,

  509.         .log2_chroma_w= 0,

  510.         .log2_chroma_h= 0,

  511.         .comp = {

  512.             { 0, 3, 3, 0, 7 },        /* R */

  513.             { 0, 3, 2, 0, 7 },        /* G */

  514.             { 0, 3, 1, 0, 7 },        /* B */

  515.             { 0, 3, 4, 0, 7 },        /* A */

  516.         },

  517.         .flags = PIX_FMT_RGB,

  518.     },

  519.     [PIX_FMT_GRAY16BE] = {

  520.         .name = "gray16be",

  521.         .nb_components = 1,

  522.         .log2_chroma_w = 0,

  523.         .log2_chroma_h = 0,

  524.         .comp = {

  525.             { 0, 1, 1, 0, 15 },       /* Y */

  526.         },

  527.         .flags = PIX_FMT_BE,

  528.     },

  529.     [PIX_FMT_GRAY16LE] = {

  530.         .name = "gray16le",

  531.         .nb_components = 1,

  532.         .log2_chroma_w = 0,

  533.         .log2_chroma_h = 0,

  534.         .comp = {

  535.             { 0, 1, 1, 0, 15 },       /* Y */

  536.         },

  537.     },

  538.     [PIX_FMT_YUV440P] = {

  539.         .name = "yuv440p",

  540.         .nb_components = 3,

  541.         .log2_chroma_w = 0,

  542.         .log2_chroma_h = 1,

  543.         .comp = {

  544.             { 0, 0, 1, 0, 7 },        /* Y */

  545.             { 1, 0, 1, 0, 7 },        /* U */

  546.             { 2, 0, 1, 0, 7 },        /* V */

  547.         },

  548.         .flags = PIX_FMT_PLANAR,

  549.     },

  550.     [PIX_FMT_YUVJ440P] = {

  551.         .name = "yuvj440p",

  552.         .nb_components = 3,

  553.         .log2_chroma_w = 0,

  554.         .log2_chroma_h = 1,

  555.         .comp = {

  556.             { 0, 0, 1, 0, 7 },        /* Y */

  557.             { 1, 0, 1, 0, 7 },        /* U */

  558.             { 2, 0, 1, 0, 7 },        /* V */

  559.         },

  560.         .flags = PIX_FMT_PLANAR,

  561.     },

  562.     [PIX_FMT_YUVA420P] = {

  563.         .name = "yuva420p",

  564.         .nb_components = 4,

  565.         .log2_chroma_w = 1,

  566.         .log2_chroma_h = 1,

  567.         .comp = {

  568.             { 0, 0, 1, 0, 7 },        /* Y */

  569.             { 1, 0, 1, 0, 7 },        /* U */

  570.             { 2, 0, 1, 0, 7 },        /* V */

  571.             { 3, 0, 1, 0, 7 },        /* A */

  572.         },

  573.         .flags = PIX_FMT_PLANAR,

  574.     },

  575.     [PIX_FMT_YUVA444P] = {

  576.         .name = "yuva444p",

  577.         .nb_components = 4,

  578.         .log2_chroma_w = 0,

  579.         .log2_chroma_h = 0,

  580.         .comp = {

  581.             { 0, 0, 1, 0, 7 },        /* Y */

  582.             { 1, 0, 1, 0, 7 },        /* U */

  583.             { 2, 0, 1, 0, 7 },        /* V */

  584.             { 3, 0, 1, 0, 7 },        /* A */

  585.         },

  586.         .flags = PIX_FMT_PLANAR,

  587.     },

  588.     [PIX_FMT_VDPAU_H264] = {

  589.         .name = "vdpau_h264",

  590.         .log2_chroma_w = 1,

  591.         .log2_chroma_h = 1,

  592.         .flags = PIX_FMT_HWACCEL,

  593.     },

  594.     [PIX_FMT_VDPAU_MPEG1] = {

  595.         .name = "vdpau_mpeg1",

  596.         .log2_chroma_w = 1,

  597.         .log2_chroma_h = 1,

  598.         .flags = PIX_FMT_HWACCEL,

  599.     },

  600.     [PIX_FMT_VDPAU_MPEG2] = {

  601.         .name = "vdpau_mpeg2",

  602.         .log2_chroma_w = 1,

  603.         .log2_chroma_h = 1,

  604.         .flags = PIX_FMT_HWACCEL,

  605.     },

  606.     [PIX_FMT_VDPAU_WMV3] = {

  607.         .name = "vdpau_wmv3",

  608.         .log2_chroma_w = 1,

  609.         .log2_chroma_h = 1,

  610.         .flags = PIX_FMT_HWACCEL,

  611.     },

  612.     [PIX_FMT_VDPAU_VC1] = {

  613.         .name = "vdpau_vc1",

  614.         .log2_chroma_w = 1,

  615.         .log2_chroma_h = 1,

  616.         .flags = PIX_FMT_HWACCEL,

  617.     },

  618.     [PIX_FMT_VDPAU_MPEG4] = {

  619.         .name = "vdpau_mpeg4",

  620.         .log2_chroma_w = 1,

  621.         .log2_chroma_h = 1,

  622.         .flags = PIX_FMT_HWACCEL,

  623.     },

  624.     [PIX_FMT_RGB48BE] = {

  625.         .name = "rgb48be",

  626.         .nb_components = 3,

  627.         .log2_chroma_w = 0,

  628.         .log2_chroma_h = 0,

  629.         .comp = {

  630.             { 0, 5, 1, 0, 15 },       /* R */

  631.             { 0, 5, 3, 0, 15 },       /* G */

  632.             { 0, 5, 5, 0, 15 },       /* B */

  633.         },

  634.         .flags = PIX_FMT_RGB | PIX_FMT_BE,

  635.     },

  636.     [PIX_FMT_RGB48LE] = {

  637.         .name = "rgb48le",

  638.         .nb_components = 3,

  639.         .log2_chroma_w = 0,

  640.         .log2_chroma_h = 0,

  641.         .comp = {

  642.             { 0, 5, 1, 0, 15 },       /* R */

  643.             { 0, 5, 3, 0, 15 },       /* G */

  644.             { 0, 5, 5, 0, 15 },       /* B */

  645.         },

  646.         .flags = PIX_FMT_RGB,

  647.     },

  648.     [PIX_FMT_RGBA64BE] = {

  649.         .name = "rgba64be",

  650.         .nb_components= 4,

  651.         .log2_chroma_w= 0,

  652.         .log2_chroma_h= 0,

  653.         .comp = {

  654.             { 0, 7, 1, 0, 15 },       /* R */

  655.             { 0, 7, 3, 0, 15 },       /* G */

  656.             { 0, 7, 5, 0, 15 },       /* B */

  657.             { 0, 7, 7, 0, 15 },       /* A */

  658.         },

  659.         .flags = PIX_FMT_RGB | PIX_FMT_BE,

  660.     },

  661.     [PIX_FMT_RGBA64LE] = {

  662.         .name = "rgba64le",

  663.         .nb_components= 4,

  664.         .log2_chroma_w= 0,

  665.         .log2_chroma_h= 0,

  666.         .comp = {

  667.             { 0, 7, 1, 0, 15 },       /* R */

  668.             { 0, 7, 3, 0, 15 },       /* G */

  669.             { 0, 7, 5, 0, 15 },       /* B */

  670.             { 0, 7, 7, 0, 15 },       /* A */

  671.         },

  672.         .flags = PIX_FMT_RGB,

  673.     },

  674.     [PIX_FMT_RGB565BE] = {

  675.         .name = "rgb565be",

  676.         .nb_components = 3,

  677.         .log2_chroma_w = 0,

  678.         .log2_chroma_h = 0,

  679.         .comp = {

  680.             { 0, 1, 0, 3, 4 },        /* R */

  681.             { 0, 1, 1, 5, 5 },        /* G */

  682.             { 0, 1, 1, 0, 4 },        /* B */

  683.         },

  684.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  685.     },

  686.     [PIX_FMT_RGB565LE] = {

  687.         .name = "rgb565le",

  688.         .nb_components = 3,

  689.         .log2_chroma_w = 0,

  690.         .log2_chroma_h = 0,

  691.         .comp = {

  692.             { 0, 1, 2, 3, 4 },        /* R */

  693.             { 0, 1, 1, 5, 5 },        /* G */

  694.             { 0, 1, 1, 0, 4 },        /* B */

  695.         },

  696.         .flags = PIX_FMT_RGB,

  697.     },

  698.     [PIX_FMT_RGB555BE] = {

  699.         .name = "rgb555be",

  700.         .nb_components = 3,

  701.         .log2_chroma_w = 0,

  702.         .log2_chroma_h = 0,

  703.         .comp = {

  704.             { 0, 1, 0, 2, 4 },        /* R */

  705.             { 0, 1, 1, 5, 4 },        /* G */

  706.             { 0, 1, 1, 0, 4 },        /* B */

  707.         },

  708.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  709.     },

  710.     [PIX_FMT_RGB555LE] = {

  711.         .name = "rgb555le",

  712.         .nb_components = 3,

  713.         .log2_chroma_w = 0,

  714.         .log2_chroma_h = 0,

  715.         .comp = {

  716.             { 0, 1, 2, 2, 4 },        /* R */

  717.             { 0, 1, 1, 5, 4 },        /* G */

  718.             { 0, 1, 1, 0, 4 },        /* B */

  719.         },

  720.         .flags = PIX_FMT_RGB,

  721.     },

  722.     [PIX_FMT_RGB444BE] = {

  723.         .name = "rgb444be",

  724.         .nb_components = 3,

  725.         .log2_chroma_w = 0,

  726.         .log2_chroma_h = 0,

  727.         .comp = {

  728.             { 0, 1, 0, 0, 3 },        /* R */

  729.             { 0, 1, 1, 4, 3 },        /* G */

  730.             { 0, 1, 1, 0, 3 },        /* B */

  731.         },

  732.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  733.     },

  734.     [PIX_FMT_RGB444LE] = {

  735.         .name = "rgb444le",

  736.         .nb_components = 3,

  737.         .log2_chroma_w = 0,

  738.         .log2_chroma_h = 0,

  739.         .comp = {

  740.             { 0, 1, 2, 0, 3 },        /* R */

  741.             { 0, 1, 1, 4, 3 },        /* G */

  742.             { 0, 1, 1, 0, 3 },        /* B */

  743.         },

  744.         .flags = PIX_FMT_RGB,

  745.     },

  746.     [PIX_FMT_BGR48BE] = {

  747.         .name = "bgr48be",

  748.         .nb_components = 3,

  749.         .log2_chroma_w = 0,

  750.         .log2_chroma_h = 0,

  751.         .comp = {

  752.             { 0, 5, 5, 0, 15 },       /* R */

  753.             { 0, 5, 3, 0, 15 },       /* G */

  754.             { 0, 5, 1, 0, 15 },       /* B */

  755.         },

  756.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  757.     },

  758.     [PIX_FMT_BGR48LE] = {

  759.         .name = "bgr48le",

  760.         .nb_components = 3,

  761.         .log2_chroma_w = 0,

  762.         .log2_chroma_h = 0,

  763.         .comp = {

  764.             { 0, 5, 5, 0, 15 },       /* R */

  765.             { 0, 5, 3, 0, 15 },       /* G */

  766.             { 0, 5, 1, 0, 15 },       /* B */

  767.         },

  768.         .flags = PIX_FMT_RGB,

  769.     },

  770.     [PIX_FMT_BGRA64BE] = {

  771.         .name = "bgra64be",

  772.         .nb_components= 4,

  773.         .log2_chroma_w= 0,

  774.         .log2_chroma_h= 0,

  775.         .comp = {

  776.             { 0, 7, 5, 0, 15 },       /* R */

  777.             { 0, 7, 3, 0, 15 },       /* G */

  778.             { 0, 7, 1, 0, 15 },       /* B */

  779.             { 0, 7, 7, 0, 15 },       /* A */

  780.         },

  781.         .flags = PIX_FMT_BE,

  782.     },

  783.     [PIX_FMT_BGRA64LE] = {

  784.         .name = "bgra64le",

  785.         .nb_components= 4,

  786.         .log2_chroma_w= 0,

  787.         .log2_chroma_h= 0,

  788.         .comp = {

  789.             { 0, 7, 5, 0, 15 },       /* R */

  790.             { 0, 7, 3, 0, 15 },       /* G */

  791.             { 0, 7, 1, 0, 15 },       /* B */

  792.             { 0, 7, 7, 0, 15 },       /* A */

  793.         },

  794.     },

  795.     [PIX_FMT_BGR565BE] = {

  796.         .name = "bgr565be",

  797.         .nb_components = 3,

  798.         .log2_chroma_w = 0,

  799.         .log2_chroma_h = 0,

  800.         .comp = {

  801.             { 0, 1, 1, 0, 4 },        /* R */

  802.             { 0, 1, 1, 5, 5 },        /* G */

  803.             { 0, 1, 0, 3, 4 },        /* B */

  804.         },

  805.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  806.     },

  807.     [PIX_FMT_BGR565LE] = {

  808.         .name = "bgr565le",

  809.         .nb_components = 3,

  810.         .log2_chroma_w = 0,

  811.         .log2_chroma_h = 0,

  812.         .comp = {

  813.             { 0, 1, 1, 0, 4 },        /* R */

  814.             { 0, 1, 1, 5, 5 },        /* G */

  815.             { 0, 1, 2, 3, 4 },        /* B */

  816.         },

  817.         .flags = PIX_FMT_RGB,

  818.     },

  819.     [PIX_FMT_BGR555BE] = {

  820.         .name = "bgr555be",

  821.         .nb_components = 3,

  822.         .log2_chroma_w = 0,

  823.         .log2_chroma_h = 0,

  824.         .comp = {

  825.             { 0, 1, 1, 0, 4 },       /* R */

  826.             { 0, 1, 1, 5, 4 },       /* G */

  827.             { 0, 1, 0, 2, 4 },       /* B */

  828.         },

  829.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  830.      },

  831.     [PIX_FMT_BGR555LE] = {

  832.         .name = "bgr555le",

  833.         .nb_components = 3,

  834.         .log2_chroma_w = 0,

  835.         .log2_chroma_h = 0,

  836.         .comp = {

  837.             { 0, 1, 1, 0, 4 },        /* R */

  838.             { 0, 1, 1, 5, 4 },        /* G */

  839.             { 0, 1, 2, 2, 4 },        /* B */

  840.         },

  841.         .flags = PIX_FMT_RGB,

  842.     },

  843.     [PIX_FMT_BGR444BE] = {

  844.         .name = "bgr444be",

  845.         .nb_components = 3,

  846.         .log2_chroma_w = 0,

  847.         .log2_chroma_h = 0,

  848.         .comp = {

  849.             { 0, 1, 1, 0, 3 },       /* R */

  850.             { 0, 1, 1, 4, 3 },       /* G */

  851.             { 0, 1, 0, 0, 3 },       /* B */

  852.         },

  853.         .flags = PIX_FMT_BE | PIX_FMT_RGB,

  854.      },

  855.     [PIX_FMT_BGR444LE] = {

  856.         .name = "bgr444le",

  857.         .nb_components = 3,

  858.         .log2_chroma_w = 0,

  859.         .log2_chroma_h = 0,

  860.         .comp = {

  861.             { 0, 1, 1, 0, 3 },        /* R */

  862.             { 0, 1, 1, 4, 3 },        /* G */

  863.             { 0, 1, 2, 0, 3 },        /* B */

  864.         },

  865.         .flags = PIX_FMT_RGB,

  866.     },

  867.     [PIX_FMT_VAAPI_MOCO] = {

  868.         .name = "vaapi_moco",

  869.         .log2_chroma_w = 1,

  870.         .log2_chroma_h = 1,

  871.         .flags = PIX_FMT_HWACCEL,

  872.     },

  873.     [PIX_FMT_VAAPI_IDCT] = {

  874.         .name = "vaapi_idct",

  875.         .log2_chroma_w = 1,

  876.         .log2_chroma_h = 1,

  877.         .flags = PIX_FMT_HWACCEL,

  878.     },

  879.     [PIX_FMT_VAAPI_VLD] = {

  880.         .name = "vaapi_vld",

  881.         .log2_chroma_w = 1,

  882.         .log2_chroma_h = 1,

  883.         .flags = PIX_FMT_HWACCEL,

  884.     },

  885.     [PIX_FMT_YUV420P9LE] = {

  886.         .name = "yuv420p9le",

  887.         .nb_components = 3,

  888.         .log2_chroma_w = 1,

  889.         .log2_chroma_h = 1,

  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.     [PIX_FMT_YUV420P9BE] = {

  898.         .name = "yuv420p9be",

  899.         .nb_components = 3,

  900.         .log2_chroma_w = 1,

  901.         .log2_chroma_h = 1,

  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.     [PIX_FMT_YUV420P10LE] = {

  910.         .name = "yuv420p10le",

  911.         .nb_components = 3,

  912.         .log2_chroma_w = 1,

  913.         .log2_chroma_h = 1,

  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.     [PIX_FMT_YUV420P10BE] = {

  922.         .name = "yuv420p10be",

  923.         .nb_components = 3,

  924.         .log2_chroma_w = 1,

  925.         .log2_chroma_h = 1,

  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.     [PIX_FMT_YUV420P16LE] = {

  934.         .name = "yuv420p16le",

  935.         .nb_components = 3,

  936.         .log2_chroma_w = 1,

  937.         .log2_chroma_h = 1,

  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.     [PIX_FMT_YUV420P16BE] = {

  946.         .name = "yuv420p16be",

  947.         .nb_components = 3,

  948.         .log2_chroma_w = 1,

  949.         .log2_chroma_h = 1,

  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.     [PIX_FMT_YUV422P9LE] = {

  958.         .name = "yuv422p9le",

  959.         .nb_components = 3,

  960.         .log2_chroma_w = 1,

  961.         .log2_chroma_h = 0,

  962.         .comp = {

  963.             { 0, 1, 1, 0, 8 },        /* Y */

  964.             { 1, 1, 1, 0, 8 },        /* U */

  965.             { 2, 1, 1, 0, 8 },        /* V */

  966.         },

  967.         .flags = PIX_FMT_PLANAR,

  968.     },

  969.     [PIX_FMT_YUV422P9BE] = {

  970.         .name = "yuv422p9be",

  971.         .nb_components = 3,

  972.         .log2_chroma_w = 1,

  973.         .log2_chroma_h = 0,

  974.         .comp = {

  975.             { 0, 1, 1, 0, 8 },        /* Y */

  976.             { 1, 1, 1, 0, 8 },        /* U */

  977.             { 2, 1, 1, 0, 8 },        /* V */

  978.         },

  979.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  980.     },

  981.     [PIX_FMT_YUV422P10LE] = {

  982.         .name = "yuv422p10le",

  983.         .nb_components = 3,

  984.         .log2_chroma_w = 1,

  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.     [PIX_FMT_YUV422P10BE] = {

  994.         .name = "yuv422p10be",

  995.         .nb_components = 3,

  996.         .log2_chroma_w = 1,

  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.     [PIX_FMT_YUV422P16LE] = {

  1006.         .name = "yuv422p16le",

  1007.         .nb_components = 3,

  1008.         .log2_chroma_w = 1,

  1009.         .log2_chroma_h = 0,

  1010.         .comp = {

  1011.             { 0, 1, 1, 0, 15 },        /* Y */

  1012.             { 1, 1, 1, 0, 15 },        /* U */

  1013.             { 2, 1, 1, 0, 15 },        /* V */

  1014.         },

  1015.         .flags = PIX_FMT_PLANAR,

  1016.     },

  1017.     [PIX_FMT_YUV422P16BE] = {

  1018.         .name = "yuv422p16be",

  1019.         .nb_components = 3,

  1020.         .log2_chroma_w = 1,

  1021.         .log2_chroma_h = 0,

  1022.         .comp = {

  1023.             { 0, 1, 1, 0, 15 },        /* Y */

  1024.             { 1, 1, 1, 0, 15 },        /* U */

  1025.             { 2, 1, 1, 0, 15 },        /* V */

  1026.         },

  1027.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  1028.     },

  1029.     [PIX_FMT_YUV444P16LE] = {

  1030.         .name = "yuv444p16le",

  1031.         .nb_components = 3,

  1032.         .log2_chroma_w = 0,

  1033.         .log2_chroma_h = 0,

  1034.         .comp = {

  1035.             { 0, 1, 1, 0, 15 },        /* Y */

  1036.             { 1, 1, 1, 0, 15 },        /* U */

  1037.             { 2, 1, 1, 0, 15 },        /* V */

  1038.         },

  1039.         .flags = PIX_FMT_PLANAR,

  1040.     },

  1041.     [PIX_FMT_YUV444P16BE] = {

  1042.         .name = "yuv444p16be",

  1043.         .nb_components = 3,

  1044.         .log2_chroma_w = 0,

  1045.         .log2_chroma_h = 0,

  1046.         .comp = {

  1047.             { 0, 1, 1, 0, 15 },        /* Y */

  1048.             { 1, 1, 1, 0, 15 },        /* U */

  1049.             { 2, 1, 1, 0, 15 },        /* V */

  1050.         },

  1051.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  1052.     },

  1053.     [PIX_FMT_YUV444P10LE] = {

  1054.         .name = "yuv444p10le",

  1055.         .nb_components = 3,

  1056.         .log2_chroma_w = 0,

  1057.         .log2_chroma_h = 0,

  1058.         .comp = {

  1059.             { 0, 1, 1, 0, 9 },        /* Y */

  1060.             { 1, 1, 1, 0, 9 },        /* U */

  1061.             { 2, 1, 1, 0, 9 },        /* V */

  1062.         },

  1063.         .flags = PIX_FMT_PLANAR,

  1064.     },

  1065.     [PIX_FMT_YUV444P10BE] = {

  1066.         .name = "yuv444p10be",

  1067.         .nb_components = 3,

  1068.         .log2_chroma_w = 0,

  1069.         .log2_chroma_h = 0,

  1070.         .comp = {

  1071.             { 0, 1, 1, 0, 9 },        /* Y */

  1072.             { 1, 1, 1, 0, 9 },        /* U */

  1073.             { 2, 1, 1, 0, 9 },        /* V */

  1074.         },

  1075.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  1076.     },

  1077.     [PIX_FMT_YUV444P9LE] = {

  1078.         .name = "yuv444p9le",

  1079.         .nb_components = 3,

  1080.         .log2_chroma_w = 0,

  1081.         .log2_chroma_h = 0,

  1082.         .comp = {

  1083.             { 0, 1, 1, 0, 8 },        /* Y */

  1084.             { 1, 1, 1, 0, 8 },        /* U */

  1085.             { 2, 1, 1, 0, 8 },        /* V */

  1086.         },

  1087.         .flags = PIX_FMT_PLANAR,

  1088.     },

  1089.     [PIX_FMT_YUV444P9BE] = {

  1090.         .name = "yuv444p9be",

  1091.         .nb_components = 3,

  1092.         .log2_chroma_w = 0,

  1093.         .log2_chroma_h = 0,

  1094.         .comp = {

  1095.             { 0, 1, 1, 0, 8 },        /* Y */

  1096.             { 1, 1, 1, 0, 8 },        /* U */

  1097.             { 2, 1, 1, 0, 8 },        /* V */

  1098.         },

  1099.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR,

  1100.     },

  1101.     [PIX_FMT_DXVA2_VLD] = {

  1102.         .name = "dxva2_vld",

  1103.         .log2_chroma_w = 1,

  1104.         .log2_chroma_h = 1,

  1105.         .flags = PIX_FMT_HWACCEL,

  1106.     },

  1107.     [PIX_FMT_VDA_VLD] = {

  1108.         .name = "vda_vld",

  1109.         .log2_chroma_w = 1,

  1110.         .log2_chroma_h = 1,

  1111.         .flags = PIX_FMT_HWACCEL,

  1112.     },

  1113.     [PIX_FMT_GRAY8A] = {

  1114.         .name = "gray8a",

  1115.         .nb_components = 2,

  1116.         .comp = {

  1117.             { 0, 1, 1, 0, 7 },        /* Y */

  1118.             { 0, 1, 2, 0, 7 },        /* A */

  1119.         },

  1120.     },

  1121.     [PIX_FMT_GBRP] = {

  1122.         .name = "gbrp",

  1123.         .nb_components = 3,

  1124.         .log2_chroma_w = 0,

  1125.         .log2_chroma_h = 0,

  1126.         .comp = {

  1127.             { 2, 0, 1, 0, 7 },        /* R */

  1128.             { 0, 0, 1, 0, 7 },        /* G */

  1129.             { 1, 0, 1, 0, 7 },        /* B */

  1130.         },

  1131.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1132.     },

  1133.     [PIX_FMT_GBRP9LE] = {

  1134.         .name = "gbrp9le",

  1135.         .nb_components = 3,

  1136.         .log2_chroma_w = 0,

  1137.         .log2_chroma_h = 0,

  1138.         .comp = {

  1139.             { 2, 1, 1, 0, 8 },        /* R */

  1140.             { 0, 1, 1, 0, 8 },        /* G */

  1141.             { 1, 1, 1, 0, 8 },        /* B */

  1142.         },

  1143.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1144.     },

  1145.     [PIX_FMT_GBRP9BE] = {

  1146.         .name = "gbrp9be",

  1147.         .nb_components = 3,

  1148.         .log2_chroma_w = 0,

  1149.         .log2_chroma_h = 0,

  1150.         .comp = {

  1151.             { 2, 1, 1, 0, 8 },        /* R */

  1152.             { 0, 1, 1, 0, 8 },        /* G */

  1153.             { 1, 1, 1, 0, 8 },        /* B */

  1154.         },

  1155.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,

  1156.     },

  1157.     [PIX_FMT_GBRP10LE] = {

  1158.         .name = "gbrp10le",

  1159.         .nb_components = 3,

  1160.         .log2_chroma_w = 0,

  1161.         .log2_chroma_h = 0,

  1162.         .comp = {

  1163.             { 2, 1, 1, 0, 9 },        /* R */

  1164.             { 0, 1, 1, 0, 9 },        /* G */

  1165.             { 1, 1, 1, 0, 9 },        /* B */

  1166.         },

  1167.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1168.     },

  1169.     [PIX_FMT_GBRP10BE] = {

  1170.         .name = "gbrp10be",

  1171.         .nb_components = 3,

  1172.         .log2_chroma_w = 0,

  1173.         .log2_chroma_h = 0,

  1174.         .comp = {

  1175.             { 2, 1, 1, 0, 9 },        /* R */

  1176.             { 0, 1, 1, 0, 9 },        /* G */

  1177.             { 1, 1, 1, 0, 9 },        /* B */

  1178.         },

  1179.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,

  1180.     },

  1181.     [PIX_FMT_GBRP16LE] = {

  1182.         .name = "gbrp16le",

  1183.         .nb_components = 3,

  1184.         .log2_chroma_w = 0,

  1185.         .log2_chroma_h = 0,

  1186.         .comp = {

  1187.             { 2, 1, 1, 0, 15 },       /* R */

  1188.             { 0, 1, 1, 0, 15 },       /* G */

  1189.             { 1, 1, 1, 0, 15 },       /* B */

  1190.         },

  1191.         .flags = PIX_FMT_PLANAR | PIX_FMT_RGB,

  1192.     },

  1193.     [PIX_FMT_GBRP16BE] = {

  1194.         .name = "gbrp16be",

  1195.         .nb_components = 3,

  1196.         .log2_chroma_w = 0,

  1197.         .log2_chroma_h = 0,

  1198.         .comp = {

  1199.             { 2, 1, 1, 0, 15 },       /* R */

  1200.             { 0, 1, 1, 0, 15 },       /* G */

  1201.             { 1, 1, 1, 0, 15 },       /* B */

  1202.         },

  1203.         .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_RGB,

  1204.     },

  1205. };

  1206. 

  1207. static enum PixelFormat get_pix_fmt_internal(const char *name)

  1208. {

  1209.     enum PixelFormat pix_fmt;

  1210. 

  1211.     for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)

  1212.         if (av_pix_fmt_descriptors[pix_fmt].name &&

  1213.             !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))

  1214.             return pix_fmt;

  1215. 

  1216.     return PIX_FMT_NONE;

  1217. }

  1218. 

  1219. const char *av_get_pix_fmt_name(enum PixelFormat pix_fmt)

  1220. {

  1221.     return (unsigned)pix_fmt < PIX_FMT_NB ?

  1222.         av_pix_fmt_descriptors[pix_fmt].name : NULL;

  1223. }

  1224. 

  1225. #if HAVE_BIGENDIAN

  1226. #   define X_NE(be, le) be

  1227. #else

  1228. #   define X_NE(be, le) le

  1229. #endif

  1230. 

  1231. enum PixelFormat av_get_pix_fmt(const char *name)

  1232. {

  1233.     enum PixelFormat pix_fmt;

  1234. 

  1235.     if (!strcmp(name, "rgb32"))

  1236.         name = X_NE("argb", "bgra");

  1237.     else if (!strcmp(name, "bgr32"))

  1238.         name = X_NE("abgr", "rgba");

  1239. 

  1240.     pix_fmt = get_pix_fmt_internal(name);

  1241.     if (pix_fmt == PIX_FMT_NONE) {

  1242.         char name2[32];

  1243. 

  1244.         snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));

  1245.         pix_fmt = get_pix_fmt_internal(name2);

  1246.     }

  1247.     return pix_fmt;

  1248. }

  1249. 

  1250. int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)

  1251. {

  1252.     int c, bits = 0;

  1253.     int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;

  1254. 

  1255.     for (c = 0; c < pixdesc->nb_components; c++) {

  1256.         int s = c == 1 || c == 2 ? 0 : log2_pixels;

  1257.         bits += (pixdesc->comp[c].depth_minus1 + 1) << s;

  1258.     }

  1259. 

  1260.     return bits >> log2_pixels;

  1261. }

  1262. 

  1263. char *av_get_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)

  1264. {

  1265.     /* print header */

  1266.     if (pix_fmt < 0) {

  1267.        snprintf (buf, buf_size, "name" " nb_components" " nb_bits");

  1268.     } else {

  1269.         const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];

  1270.         snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,

  1271.                  pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));

  1272.     }

  1273. 

  1274.     return buf;

  1275. }