/*
 * pixel format descriptor
 * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stdio.h>
#include <string.h>

#include "avassert.h"
#include "avstring.h"
#include "common.h"
#include "pixfmt.h"
#include "pixdesc.h"
#include "internal.h"
#include "intreadwrite.h"
#include "version.h"

void av_read_image_line(uint16_t *dst,
                        const uint8_t *data[4], const int linesize[4],
                        const AVPixFmtDescriptor *desc,
                        int x, int y, int c, int w,
                        int read_pal_component)
{
    AVComponentDescriptor comp = desc->comp[c];
    int plane = comp.plane;
    int depth = comp.depth_minus1 + 1;
    int mask  = (1 << depth) - 1;
    int shift = comp.shift;
    int step  = comp.step_minus1 + 1;
    int flags = desc->flags;

    if (flags & AV_PIX_FMT_FLAG_BITSTREAM) {
        int skip = x * step + comp.offset_plus1 - 1;
        const uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
        int shift = 8 - depth - (skip & 7);

        while (w--) {
            int val = (*p >> shift) & mask;
            if (read_pal_component)
                val = data[1][4*val + c];
            shift -= step;
            p -= shift >> 3;
            shift &= 7;
            *dst++ = val;
        }
    } else {
        const uint8_t *p = data[plane] + y * linesize[plane] +
                           x * step + comp.offset_plus1 - 1;
        int is_8bit = shift + depth <= 8;

        if (is_8bit)
            p += !!(flags & AV_PIX_FMT_FLAG_BE);

        while (w--) {
            int val = is_8bit ? *p :
                flags & AV_PIX_FMT_FLAG_BE ? AV_RB16(p) : AV_RL16(p);
            val = (val >> shift) & mask;
            if (read_pal_component)
                val = data[1][4 * val + c];
            p += step;
            *dst++ = val;
        }
    }
}

void av_write_image_line(const uint16_t *src,
                         uint8_t *data[4], const int linesize[4],
                         const AVPixFmtDescriptor *desc,
                         int x, int y, int c, int w)
{
    AVComponentDescriptor comp = desc->comp[c];
    int plane = comp.plane;
    int depth = comp.depth_minus1 + 1;
    int step  = comp.step_minus1 + 1;
    int flags = desc->flags;

    if (flags & AV_PIX_FMT_FLAG_BITSTREAM) {
        int skip = x * step + comp.offset_plus1 - 1;
        uint8_t *p = data[plane] + y * linesize[plane] + (skip >> 3);
        int shift = 8 - depth - (skip & 7);

        while (w--) {
            *p |= *src++ << shift;
            shift -= step;
            p -= shift >> 3;
            shift &= 7;
        }
    } else {
        int shift = comp.shift;
        uint8_t *p = data[plane] + y * linesize[plane] +
                     x * step + comp.offset_plus1 - 1;

        if (shift + depth <= 8) {
            p += !!(flags & AV_PIX_FMT_FLAG_BE);
            while (w--) {
                *p |= (*src++ << shift);
                p += step;
            }
        } else {
            while (w--) {
                if (flags & AV_PIX_FMT_FLAG_BE) {
                    uint16_t val = AV_RB16(p) | (*src++ << shift);
                    AV_WB16(p, val);
                } else {
                    uint16_t val = AV_RL16(p) | (*src++ << shift);
                    AV_WL16(p, val);
                }
                p += step;
            }
        }
    }
}

#if !FF_API_PIX_FMT_DESC
static
#endif
const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
    [AV_PIX_FMT_YUV420P] = {
        .name = "yuv420p",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUYV422] = {
        .name = "yuyv422",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 7 },        /* Y */
            { 0, 3, 2, 0, 7 },        /* U */
            { 0, 3, 4, 0, 7 },        /* V */
        },
    },
    [AV_PIX_FMT_YVYU422] = {
        .name = "yvyu422",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 7 },        /* Y */
            { 0, 3, 2, 0, 7 },        /* V */
            { 0, 3, 4, 0, 7 },        /* U */
        },
    },
    [AV_PIX_FMT_RGB24] = {
        .name = "rgb24",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 2, 1, 0, 7 },        /* R */
            { 0, 2, 2, 0, 7 },        /* G */
            { 0, 2, 3, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR24] = {
        .name = "bgr24",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 2, 3, 0, 7 },        /* R */
            { 0, 2, 2, 0, 7 },        /* G */
            { 0, 2, 1, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_YUV422P] = {
        .name = "yuv422p",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P] = {
        .name = "yuv444p",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV410P] = {
        .name = "yuv410p",
        .nb_components = 3,
        .log2_chroma_w = 2,
        .log2_chroma_h = 2,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV411P] = {
        .name = "yuv411p",
        .nb_components = 3,
        .log2_chroma_w = 2,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUVJ411P] = {
        .name = "yuvj411p",
        .nb_components = 3,
        .log2_chroma_w = 2,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_GRAY8] = {
        .name = "gray",
        .nb_components = 1,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
        },
        .flags = AV_PIX_FMT_FLAG_PSEUDOPAL,
        .alias = "gray8,y8",
    },
    [AV_PIX_FMT_MONOWHITE] = {
        .name = "monow",
        .nb_components = 1,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 0 },        /* Y */
        },
        .flags = AV_PIX_FMT_FLAG_BITSTREAM,
    },
    [AV_PIX_FMT_MONOBLACK] = {
        .name = "monob",
        .nb_components = 1,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 7, 0 },        /* Y */
        },
        .flags = AV_PIX_FMT_FLAG_BITSTREAM,
    },
    [AV_PIX_FMT_PAL8] = {
        .name = "pal8",
        .nb_components = 1,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },
        },
        .flags = AV_PIX_FMT_FLAG_PAL,
    },
    [AV_PIX_FMT_YUVJ420P] = {
        .name = "yuvj420p",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUVJ422P] = {
        .name = "yuvj422p",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUVJ444P] = {
        .name = "yuvj444p",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
#if FF_API_XVMC
    [AV_PIX_FMT_XVMC_MPEG2_MC] = {
        .name = "xvmcmc",
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_XVMC_MPEG2_IDCT] = {
        .name = "xvmcidct",
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
#endif /* FF_API_XVMC */
#if !FF_API_XVMC
    [AV_PIX_FMT_XVMC] = {
        .name = "xvmc",
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
#endif /* !FF_API_XVMC */
    [AV_PIX_FMT_UYVY422] = {
        .name = "uyvy422",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 2, 0, 7 },        /* Y */
            { 0, 3, 1, 0, 7 },        /* U */
            { 0, 3, 3, 0, 7 },        /* V */
        },
    },
    [AV_PIX_FMT_UYYVYY411] = {
        .name = "uyyvyy411",
        .nb_components = 3,
        .log2_chroma_w = 2,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 2, 0, 7 },        /* Y */
            { 0, 5, 1, 0, 7 },        /* U */
            { 0, 5, 4, 0, 7 },        /* V */
        },
    },
    [AV_PIX_FMT_BGR8] = {
        .name = "bgr8",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 2 },        /* R */
            { 0, 0, 1, 3, 2 },        /* G */
            { 0, 0, 1, 6, 1 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_PSEUDOPAL,
    },
    [AV_PIX_FMT_BGR4] = {
        .name = "bgr4",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 4, 0, 0 },        /* R */
            { 0, 3, 2, 0, 1 },        /* G */
            { 0, 3, 1, 0, 0 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BITSTREAM | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR4_BYTE] = {
        .name = "bgr4_byte",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 0 },        /* R */
            { 0, 0, 1, 1, 1 },        /* G */
            { 0, 0, 1, 3, 0 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_PSEUDOPAL,
    },
    [AV_PIX_FMT_RGB8] = {
        .name = "rgb8",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 6, 1 },        /* R */
            { 0, 0, 1, 3, 2 },        /* G */
            { 0, 0, 1, 0, 2 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_PSEUDOPAL,
    },
    [AV_PIX_FMT_RGB4] = {
        .name = "rgb4",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 1, 0, 0 },        /* R */
            { 0, 3, 2, 0, 1 },        /* G */
            { 0, 3, 4, 0, 0 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BITSTREAM | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB4_BYTE] = {
        .name = "rgb4_byte",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 3, 0 },        /* R */
            { 0, 0, 1, 1, 1 },        /* G */
            { 0, 0, 1, 0, 0 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_PSEUDOPAL,
    },
    [AV_PIX_FMT_NV12] = {
        .name = "nv12",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 1, 1, 0, 7 },        /* U */
            { 1, 1, 2, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_NV21] = {
        .name = "nv21",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 1, 2, 0, 7 },        /* U */
            { 1, 1, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_ARGB] = {
        .name = "argb",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 2, 0, 7 },        /* R */
            { 0, 3, 3, 0, 7 },        /* G */
            { 0, 3, 4, 0, 7 },        /* B */
            { 0, 3, 1, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_RGBA] = {
        .name = "rgba",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 1, 0, 7 },        /* R */
            { 0, 3, 2, 0, 7 },        /* G */
            { 0, 3, 3, 0, 7 },        /* B */
            { 0, 3, 4, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_ABGR] = {
        .name = "abgr",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 4, 0, 7 },        /* R */
            { 0, 3, 3, 0, 7 },        /* G */
            { 0, 3, 2, 0, 7 },        /* B */
            { 0, 3, 1, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_BGRA] = {
        .name = "bgra",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 3, 3, 0, 7 },        /* R */
            { 0, 3, 2, 0, 7 },        /* G */
            { 0, 3, 1, 0, 7 },        /* B */
            { 0, 3, 4, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_0RGB] = {
        .name = "0rgb",
        .nb_components= 3,
        .log2_chroma_w= 0,
        .log2_chroma_h= 0,
        .comp = {
            { 0, 3, 2, 0, 7 },        /* R */
            { 0, 3, 3, 0, 7 },        /* G */
            { 0, 3, 4, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB0] = {
        .name = "rgb0",
        .nb_components= 3,
        .log2_chroma_w= 0,
        .log2_chroma_h= 0,
        .comp = {
            { 0, 3, 1, 0, 7 },        /* R */
            { 0, 3, 2, 0, 7 },        /* G */
            { 0, 3, 3, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_0BGR] = {
        .name = "0bgr",
        .nb_components= 3,
        .log2_chroma_w= 0,
        .log2_chroma_h= 0,
        .comp = {
            { 0, 3, 4, 0, 7 },        /* R */
            { 0, 3, 3, 0, 7 },        /* G */
            { 0, 3, 2, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR0] = {
        .name = "bgr0",
        .nb_components= 3,
        .log2_chroma_w= 0,
        .log2_chroma_h= 0,
        .comp = {
            { 0, 3, 3, 0, 7 },        /* R */
            { 0, 3, 2, 0, 7 },        /* G */
            { 0, 3, 1, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GRAY16BE] = {
        .name = "gray16be",
        .nb_components = 1,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },       /* Y */
        },
        .flags = AV_PIX_FMT_FLAG_BE,
        .alias = "y16be",
    },
    [AV_PIX_FMT_GRAY16LE] = {
        .name = "gray16le",
        .nb_components = 1,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },       /* Y */
        },
        .alias = "y16le",
    },
    [AV_PIX_FMT_YUV440P] = {
        .name = "yuv440p",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUVJ440P] = {
        .name = "yuvj440p",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV440P10LE] = {
        .name = "yuv440p10le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV440P10BE] = {
        .name = "yuv440p10be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV440P12LE] = {
        .name = "yuv440p12le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV440P12BE] = {
        .name = "yuv440p12be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUVA420P] = {
        .name = "yuva420p",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
            { 3, 0, 1, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P] = {
        .name = "yuva422p",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
            { 3, 0, 1, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P] = {
        .name = "yuva444p",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 0, 1, 0, 7 },        /* U */
            { 2, 0, 1, 0, 7 },        /* V */
            { 3, 0, 1, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA420P9BE] = {
        .name = "yuva420p9be",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
            { 3, 1, 1, 0, 8 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA420P9LE] = {
        .name = "yuva420p9le",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
            { 3, 1, 1, 0, 8 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P9BE] = {
        .name = "yuva422p9be",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
            { 3, 1, 1, 0, 8 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P9LE] = {
        .name = "yuva422p9le",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
            { 3, 1, 1, 0, 8 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P9BE] = {
        .name = "yuva444p9be",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
            { 3, 1, 1, 0, 8 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P9LE] = {
        .name = "yuva444p9le",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
            { 3, 1, 1, 0, 8 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA420P10BE] = {
        .name = "yuva420p10be",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
            { 3, 1, 1, 0, 9 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA420P10LE] = {
        .name = "yuva420p10le",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
            { 3, 1, 1, 0, 9 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P10BE] = {
        .name = "yuva422p10be",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
            { 3, 1, 1, 0, 9 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P10LE] = {
        .name = "yuva422p10le",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
            { 3, 1, 1, 0, 9 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P10BE] = {
        .name = "yuva444p10be",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
            { 3, 1, 1, 0, 9 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P10LE] = {
        .name = "yuva444p10le",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
            { 3, 1, 1, 0, 9 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA420P16BE] = {
        .name = "yuva420p16be",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
            { 3, 1, 1, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA420P16LE] = {
        .name = "yuva420p16le",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
            { 3, 1, 1, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P16BE] = {
        .name = "yuva422p16be",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
            { 3, 1, 1, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA422P16LE] = {
        .name = "yuva422p16le",
        .nb_components = 4,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
            { 3, 1, 1, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P16BE] = {
        .name = "yuva444p16be",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
            { 3, 1, 1, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YUVA444P16LE] = {
        .name = "yuva444p16le",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
            { 3, 1, 1, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_ALPHA,
    },
#if FF_API_VDPAU
    [AV_PIX_FMT_VDPAU_H264] = {
        .name = "vdpau_h264",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VDPAU_MPEG1] = {
        .name = "vdpau_mpeg1",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VDPAU_MPEG2] = {
        .name = "vdpau_mpeg2",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VDPAU_WMV3] = {
        .name = "vdpau_wmv3",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VDPAU_VC1] = {
        .name = "vdpau_vc1",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VDPAU_MPEG4] = {
        .name = "vdpau_mpeg4",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
#endif
    [AV_PIX_FMT_RGB48BE] = {
        .name = "rgb48be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 5, 1, 0, 15 },       /* R */
            { 0, 5, 3, 0, 15 },       /* G */
            { 0, 5, 5, 0, 15 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BE,
    },
    [AV_PIX_FMT_RGB48LE] = {
        .name = "rgb48le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 5, 1, 0, 15 },       /* R */
            { 0, 5, 3, 0, 15 },       /* G */
            { 0, 5, 5, 0, 15 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGBA64BE] = {
        .name = "rgba64be",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 7, 1, 0, 15 },       /* R */
            { 0, 7, 3, 0, 15 },       /* G */
            { 0, 7, 5, 0, 15 },       /* B */
            { 0, 7, 7, 0, 15 },       /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_RGBA64LE] = {
        .name = "rgba64le",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 7, 1, 0, 15 },       /* R */
            { 0, 7, 3, 0, 15 },       /* G */
            { 0, 7, 5, 0, 15 },       /* B */
            { 0, 7, 7, 0, 15 },       /* A */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_RGB565BE] = {
        .name = "rgb565be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 0, 3, 4 },        /* R */
            { 0, 1, 1, 5, 5 },        /* G */
            { 0, 1, 1, 0, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB565LE] = {
        .name = "rgb565le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 2, 3, 4 },        /* R */
            { 0, 1, 1, 5, 5 },        /* G */
            { 0, 1, 1, 0, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB555BE] = {
        .name = "rgb555be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 0, 2, 4 },        /* R */
            { 0, 1, 1, 5, 4 },        /* G */
            { 0, 1, 1, 0, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB555LE] = {
        .name = "rgb555le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 2, 2, 4 },        /* R */
            { 0, 1, 1, 5, 4 },        /* G */
            { 0, 1, 1, 0, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB444BE] = {
        .name = "rgb444be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 0, 0, 3 },        /* R */
            { 0, 1, 1, 4, 3 },        /* G */
            { 0, 1, 1, 0, 3 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_RGB444LE] = {
        .name = "rgb444le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 2, 0, 3 },        /* R */
            { 0, 1, 1, 4, 3 },        /* G */
            { 0, 1, 1, 0, 3 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR48BE] = {
        .name = "bgr48be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 5, 5, 0, 15 },       /* R */
            { 0, 5, 3, 0, 15 },       /* G */
            { 0, 5, 1, 0, 15 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR48LE] = {
        .name = "bgr48le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 5, 5, 0, 15 },       /* R */
            { 0, 5, 3, 0, 15 },       /* G */
            { 0, 5, 1, 0, 15 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGRA64BE] = {
        .name = "bgra64be",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 7, 5, 0, 15 },       /* R */
            { 0, 7, 3, 0, 15 },       /* G */
            { 0, 7, 1, 0, 15 },       /* B */
            { 0, 7, 7, 0, 15 },       /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_BGRA64LE] = {
        .name = "bgra64le",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 7, 5, 0, 15 },       /* R */
            { 0, 7, 3, 0, 15 },       /* G */
            { 0, 7, 1, 0, 15 },       /* B */
            { 0, 7, 7, 0, 15 },       /* A */
        },
        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_BGR565BE] = {
        .name = "bgr565be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 4 },        /* R */
            { 0, 1, 1, 5, 5 },        /* G */
            { 0, 1, 0, 3, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR565LE] = {
        .name = "bgr565le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 4 },        /* R */
            { 0, 1, 1, 5, 5 },        /* G */
            { 0, 1, 2, 3, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR555BE] = {
        .name = "bgr555be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 4 },       /* R */
            { 0, 1, 1, 5, 4 },       /* G */
            { 0, 1, 0, 2, 4 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
     },
    [AV_PIX_FMT_BGR555LE] = {
        .name = "bgr555le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 4 },        /* R */
            { 0, 1, 1, 5, 4 },        /* G */
            { 0, 1, 2, 2, 4 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BGR444BE] = {
        .name = "bgr444be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 3 },       /* R */
            { 0, 1, 1, 4, 3 },       /* G */
            { 0, 1, 0, 0, 3 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
     },
    [AV_PIX_FMT_BGR444LE] = {
        .name = "bgr444le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 3 },        /* R */
            { 0, 1, 1, 4, 3 },        /* G */
            { 0, 1, 2, 0, 3 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_VAAPI_MOCO] = {
        .name = "vaapi_moco",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VAAPI_IDCT] = {
        .name = "vaapi_idct",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VAAPI_VLD] = {
        .name = "vaapi_vld",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_YUV420P9LE] = {
        .name = "yuv420p9le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P9BE] = {
        .name = "yuv420p9be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P10LE] = {
        .name = "yuv420p10le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P10BE] = {
        .name = "yuv420p10be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P12LE] = {
        .name = "yuv420p12le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P12BE] = {
        .name = "yuv420p12be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P14LE] = {
        .name = "yuv420p14le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 13 },        /* Y */
            { 1, 1, 1, 0, 13 },        /* U */
            { 2, 1, 1, 0, 13 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P14BE] = {
        .name = "yuv420p14be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 13 },        /* Y */
            { 1, 1, 1, 0, 13 },        /* U */
            { 2, 1, 1, 0, 13 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P16LE] = {
        .name = "yuv420p16le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV420P16BE] = {
        .name = "yuv420p16be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P9LE] = {
        .name = "yuv422p9le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P9BE] = {
        .name = "yuv422p9be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P10LE] = {
        .name = "yuv422p10le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P10BE] = {
        .name = "yuv422p10be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P12LE] = {
        .name = "yuv422p12le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P12BE] = {
        .name = "yuv422p12be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P14LE] = {
        .name = "yuv422p14le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 13 },        /* Y */
            { 1, 1, 1, 0, 13 },        /* U */
            { 2, 1, 1, 0, 13 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P14BE] = {
        .name = "yuv422p14be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 13 },        /* Y */
            { 1, 1, 1, 0, 13 },        /* U */
            { 2, 1, 1, 0, 13 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P16LE] = {
        .name = "yuv422p16le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV422P16BE] = {
        .name = "yuv422p16be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P16LE] = {
        .name = "yuv444p16le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P16BE] = {
        .name = "yuv444p16be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 15 },        /* Y */
            { 1, 1, 1, 0, 15 },        /* U */
            { 2, 1, 1, 0, 15 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P10LE] = {
        .name = "yuv444p10le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P10BE] = {
        .name = "yuv444p10be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 1, 1, 0, 9 },        /* U */
            { 2, 1, 1, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P9LE] = {
        .name = "yuv444p9le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P9BE] = {
        .name = "yuv444p9be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 8 },        /* Y */
            { 1, 1, 1, 0, 8 },        /* U */
            { 2, 1, 1, 0, 8 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P12LE] = {
        .name = "yuv444p12le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P12BE] = {
        .name = "yuv444p12be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 11 },        /* Y */
            { 1, 1, 1, 0, 11 },        /* U */
            { 2, 1, 1, 0, 11 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P14LE] = {
        .name = "yuv444p14le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 13 },        /* Y */
            { 1, 1, 1, 0, 13 },        /* U */
            { 2, 1, 1, 0, 13 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_YUV444P14BE] = {
        .name = "yuv444p14be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 13 },        /* Y */
            { 1, 1, 1, 0, 13 },        /* U */
            { 2, 1, 1, 0, 13 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_D3D11VA_VLD] = {
        .name = "d3d11va_vld",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_DXVA2_VLD] = {
        .name = "dxva2_vld",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_VDA_VLD] = {
        .name = "vda_vld",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_YA8] = {
        .name = "ya8",
        .nb_components = 2,
        .comp = {
            { 0, 1, 1, 0, 7 },        /* Y */
            { 0, 1, 2, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_ALPHA,
        .alias = "gray8a",
    },
    [AV_PIX_FMT_YA16LE] = {
        .name = "ya16le",
        .nb_components = 2,
        .comp = {
            { 0, 3, 1, 0, 15 },        /* Y */
            { 0, 3, 3, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_YA16BE] = {
        .name = "ya16be",
        .nb_components = 2,
        .comp = {
            { 0, 3, 1, 0, 15 },        /* Y */
            { 0, 3, 3, 0, 15 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_GBRP] = {
        .name = "gbrp",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 0, 1, 0, 7 },        /* R */
            { 0, 0, 1, 0, 7 },        /* G */
            { 1, 0, 1, 0, 7 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP9LE] = {
        .name = "gbrp9le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 8 },        /* R */
            { 0, 1, 1, 0, 8 },        /* G */
            { 1, 1, 1, 0, 8 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP9BE] = {
        .name = "gbrp9be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 8 },        /* R */
            { 0, 1, 1, 0, 8 },        /* G */
            { 1, 1, 1, 0, 8 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP10LE] = {
        .name = "gbrp10le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 9 },        /* R */
            { 0, 1, 1, 0, 9 },        /* G */
            { 1, 1, 1, 0, 9 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP10BE] = {
        .name = "gbrp10be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 9 },        /* R */
            { 0, 1, 1, 0, 9 },        /* G */
            { 1, 1, 1, 0, 9 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP12LE] = {
        .name = "gbrp12le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 11 },        /* R */
            { 0, 1, 1, 0, 11 },        /* G */
            { 1, 1, 1, 0, 11 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP12BE] = {
        .name = "gbrp12be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 11 },        /* R */
            { 0, 1, 1, 0, 11 },        /* G */
            { 1, 1, 1, 0, 11 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP14LE] = {
        .name = "gbrp14le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 13 },        /* R */
            { 0, 1, 1, 0, 13 },        /* G */
            { 1, 1, 1, 0, 13 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP14BE] = {
        .name = "gbrp14be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 13 },        /* R */
            { 0, 1, 1, 0, 13 },        /* G */
            { 1, 1, 1, 0, 13 },        /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP16LE] = {
        .name = "gbrp16le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 15 },       /* R */
            { 0, 1, 1, 0, 15 },       /* G */
            { 1, 1, 1, 0, 15 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRP16BE] = {
        .name = "gbrp16be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 15 },       /* R */
            { 0, 1, 1, 0, 15 },       /* G */
            { 1, 1, 1, 0, 15 },       /* B */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_GBRAP] = {
        .name = "gbrap",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 0, 1, 0, 7 },        /* R */
            { 0, 0, 1, 0, 7 },        /* G */
            { 1, 0, 1, 0, 7 },        /* B */
            { 3, 0, 1, 0, 7 },        /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB |
                 AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_GBRAP16LE] = {
        .name = "gbrap16le",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 15 },       /* R */
            { 0, 1, 1, 0, 15 },       /* G */
            { 1, 1, 1, 0, 15 },       /* B */
            { 3, 1, 1, 0, 15 },       /* A */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB |
                 AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_GBRAP16BE] = {
        .name = "gbrap16be",
        .nb_components = 4,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 2, 1, 1, 0, 15 },       /* R */
            { 0, 1, 1, 0, 15 },       /* G */
            { 1, 1, 1, 0, 15 },       /* B */
            { 3, 1, 1, 0, 15 },       /* A */
        },
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR |
                 AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
    },
    [AV_PIX_FMT_VDPAU] = {
        .name = "vdpau",
        .log2_chroma_w = 1,
        .log2_chroma_h = 1,
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_XYZ12LE] = {
        .name = "xyz12le",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 5, 1, 4, 11 },       /* X */
            { 0, 5, 3, 4, 11 },       /* Y */
            { 0, 5, 5, 4, 11 },       /* Z */
      },
      /*.flags = -- not used*/
    },
    [AV_PIX_FMT_XYZ12BE] = {
        .name = "xyz12be",
        .nb_components = 3,
        .log2_chroma_w = 0,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 5, 1, 4, 11 },       /* X */
            { 0, 5, 3, 4, 11 },       /* Y */
            { 0, 5, 5, 4, 11 },       /* Z */
       },
        .flags = AV_PIX_FMT_FLAG_BE,
    },

#define BAYER8_DESC_COMMON \
        .nb_components= 3, \
        .log2_chroma_w= 0, \
        .log2_chroma_h= 0, \
        .comp = {          \
            {0,0,0,0,1},   \
            {0,0,0,0,3},   \
            {0,0,0,0,1},   \
        },                 \

#define BAYER16_DESC_COMMON \
        .nb_components= 3, \
        .log2_chroma_w= 0, \
        .log2_chroma_h= 0, \
        .comp = {          \
            {0,1,0,0, 3},  \
            {0,1,0,0, 7},  \
            {0,1,0,0, 3},  \
        },                 \

    [AV_PIX_FMT_BAYER_BGGR8] = {
        .name = "bayer_bggr8",
        BAYER8_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_BGGR16LE] = {
        .name = "bayer_bggr16le",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_BGGR16BE] = {
        .name = "bayer_bggr16be",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_RGGB8] = {
        .name = "bayer_rggb8",
        BAYER8_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_RGGB16LE] = {
        .name = "bayer_rggb16le",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_RGGB16BE] = {
        .name = "bayer_rggb16be",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_GBRG8] = {
        .name = "bayer_gbrg8",
        BAYER8_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_GBRG16LE] = {
        .name = "bayer_gbrg16le",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_GBRG16BE] = {
        .name = "bayer_gbrg16be",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_GRBG8] = {
        .name = "bayer_grbg8",
        BAYER8_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_GRBG16LE] = {
        .name = "bayer_grbg16le",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_BAYER_GRBG16BE] = {
        .name = "bayer_grbg16be",
        BAYER16_DESC_COMMON
        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
    },
    [AV_PIX_FMT_NV16] = {
        .name = "nv16",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 0, 1, 0, 7 },        /* Y */
            { 1, 1, 1, 0, 7 },        /* U */
            { 1, 1, 2, 0, 7 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_NV20LE] = {
        .name = "nv20le",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 3, 1, 0, 9 },        /* U */
            { 1, 3, 3, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR,
    },
    [AV_PIX_FMT_NV20BE] = {
        .name = "nv20be",
        .nb_components = 3,
        .log2_chroma_w = 1,
        .log2_chroma_h = 0,
        .comp = {
            { 0, 1, 1, 0, 9 },        /* Y */
            { 1, 3, 1, 0, 9 },        /* U */
            { 1, 3, 3, 0, 9 },        /* V */
        },
        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_BE,
    },
    [AV_PIX_FMT_VDA] = {
        .name = "vda",
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_QSV] = {
        .name = "qsv",
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
    [AV_PIX_FMT_MMAL] = {
        .name = "mmal",
        .flags = AV_PIX_FMT_FLAG_HWACCEL,
    },
};

static const char *color_range_names[AVCOL_RANGE_NB] = {
    "unknown", "tv", "pc",
};

static const char *color_primaries_names[AVCOL_PRI_NB] = {
    "reserved", "bt709", "unknown", "reserved", "bt470m",
    "bt470bg", "smpte170m", "smpte240m", "film", "bt2020",
};

static const char *color_transfer_names[AVCOL_TRC_NB] = {
    "reserved", "bt709", "unknown", "reserved", "bt470m",
    "bt470bg", "smpte170m", "smpte240m", "linear", "log100",
    "log316", "iec61966-2-4", "bt1361e", "iec61966-2-1",
    "bt2020-10", "bt2020-20",
};

static const char *color_space_names[AVCOL_SPC_NB] = {
    "gbr", "bt709", "unknown", "reserved", "fcc",
    "bt470bg", "smpte170m", "smpte240m", "ycgco",
    "bt2020nc", "bt2020c",
};

static const char *chroma_location_names[AVCHROMA_LOC_NB] = {
    "unspecified", "left", "center", "topleft",
    "top", "bottomleft", "bottom",
};

FF_DISABLE_DEPRECATION_WARNINGS
static enum AVPixelFormat get_pix_fmt_internal(const char *name)
{
    enum AVPixelFormat pix_fmt;

    for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)
        if (av_pix_fmt_descriptors[pix_fmt].name &&
            (!strcmp(av_pix_fmt_descriptors[pix_fmt].name, name) ||
             av_match_name(name, av_pix_fmt_descriptors[pix_fmt].alias)))
            return pix_fmt;

    return AV_PIX_FMT_NONE;
}

const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
{
    return (unsigned)pix_fmt < AV_PIX_FMT_NB ?
        av_pix_fmt_descriptors[pix_fmt].name : NULL;
}

#if HAVE_BIGENDIAN
#   define X_NE(be, le) be
#else
#   define X_NE(be, le) le
#endif

enum AVPixelFormat av_get_pix_fmt(const char *name)
{
    enum AVPixelFormat pix_fmt;

    if (!strcmp(name, "rgb32"))
        name = X_NE("argb", "bgra");
    else if (!strcmp(name, "bgr32"))
        name = X_NE("abgr", "rgba");

    pix_fmt = get_pix_fmt_internal(name);
    if (pix_fmt == AV_PIX_FMT_NONE) {
        char name2[32];

        snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
        pix_fmt = get_pix_fmt_internal(name2);
    }
    return pix_fmt;
}

int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
{
    int c, bits = 0;
    int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;

    for (c = 0; c < pixdesc->nb_components; c++) {
        int s = c == 1 || c == 2 ? 0 : log2_pixels;
        bits += (pixdesc->comp[c].depth_minus1 + 1) << s;
    }

    return bits >> log2_pixels;
}

int av_get_padded_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
{
    int c, bits = 0;
    int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
    int steps[4] = {0};

    for (c = 0; c < pixdesc->nb_components; c++) {
        const AVComponentDescriptor *comp = &pixdesc->comp[c];
        int s = c == 1 || c == 2 ? 0 : log2_pixels;
        steps[comp->plane] = (comp->step_minus1 + 1) << s;
    }
    for (c = 0; c < 4; c++)
        bits += steps[c];

    if(!(pixdesc->flags & AV_PIX_FMT_FLAG_BITSTREAM))
        bits *= 8;

    return bits >> log2_pixels;
}

char *av_get_pix_fmt_string(char *buf, int buf_size,
                            enum AVPixelFormat pix_fmt)
{
    /* print header */
    if (pix_fmt < 0) {
       snprintf (buf, buf_size, "name" " nb_components" " nb_bits");
    } else {
        const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
        snprintf(buf, buf_size, "%-11s %7d %10d", pixdesc->name,
                 pixdesc->nb_components, av_get_bits_per_pixel(pixdesc));
    }

    return buf;
}

const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
{
    if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
        return NULL;
    return &av_pix_fmt_descriptors[pix_fmt];
}

const AVPixFmtDescriptor *av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
{
    if (!prev)
        return &av_pix_fmt_descriptors[0];
    while (prev - av_pix_fmt_descriptors < FF_ARRAY_ELEMS(av_pix_fmt_descriptors) - 1) {
        prev++;
        if (prev->name)
            return prev;
    }
    return NULL;
}

enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)
{
    if (desc < av_pix_fmt_descriptors ||
        desc >= av_pix_fmt_descriptors + FF_ARRAY_ELEMS(av_pix_fmt_descriptors))
        return AV_PIX_FMT_NONE;

    return desc - av_pix_fmt_descriptors;
}

int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
                                     int *h_shift, int *v_shift)
{
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
    if (!desc)
        return AVERROR(ENOSYS);
    *h_shift = desc->log2_chroma_w;
    *v_shift = desc->log2_chroma_h;

    return 0;
}

int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
{
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
    int i, planes[4] = { 0 }, ret = 0;

    if (!desc)
        return AVERROR(EINVAL);

    for (i = 0; i < desc->nb_components; i++)
        planes[desc->comp[i].plane] = 1;
    for (i = 0; i < FF_ARRAY_ELEMS(planes); i++)
        ret += planes[i];
    return ret;
}

void ff_check_pixfmt_descriptors(void){
    int i, j;

    for (i=0; i<FF_ARRAY_ELEMS(av_pix_fmt_descriptors); i++) {
        const AVPixFmtDescriptor *d = &av_pix_fmt_descriptors[i];
        uint8_t fill[4][8+6+3] = {{0}};
        uint8_t *data[4] = {fill[0], fill[1], fill[2], fill[3]};
        int linesize[4] = {0,0,0,0};
        uint16_t tmp[2];

        if (!d->name && !d->nb_components && !d->log2_chroma_w && !d->log2_chroma_h && !d->flags)
            continue;
//         av_log(NULL, AV_LOG_DEBUG, "Checking: %s\n", d->name);
        av_assert0(d->log2_chroma_w <= 3);
        av_assert0(d->log2_chroma_h <= 3);
        av_assert0(d->nb_components <= 4);
        av_assert0(d->name && d->name[0]);
        av_assert0((d->nb_components==4 || d->nb_components==2) == !!(d->flags & AV_PIX_FMT_FLAG_ALPHA));
        av_assert2(av_get_pix_fmt(d->name) == i);

        for (j=0; j<FF_ARRAY_ELEMS(d->comp); j++) {
            const AVComponentDescriptor *c = &d->comp[j];
            if(j>=d->nb_components) {
                av_assert0(!c->plane && !c->step_minus1 && !c->offset_plus1 && !c->shift && !c->depth_minus1);
                continue;
            }
            if (d->flags & AV_PIX_FMT_FLAG_BITSTREAM) {
                av_assert0(c->step_minus1 >= c->depth_minus1);
            } else {
                av_assert0(8*(c->step_minus1+1) >= c->depth_minus1+1);
            }
            if (!strncmp(d->name, "bayer_", 6))
                continue;
            av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
            av_assert0(tmp[0] == 0 && tmp[1] == 0);
            tmp[0] = tmp[1] = (1<<(c->depth_minus1 + 1)) - 1;
            av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);
        }
    }
}
FF_ENABLE_DEPRECATION_WARNINGS


enum AVPixelFormat av_pix_fmt_swap_endianness(enum AVPixelFormat pix_fmt)
{
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
    char name[16];
    int i;

    if (!desc || strlen(desc->name) < 2)
        return AV_PIX_FMT_NONE;
    av_strlcpy(name, desc->name, sizeof(name));
    i = strlen(name) - 2;
    if (strcmp(name + i, "be") && strcmp(name + i, "le"))
        return AV_PIX_FMT_NONE;

    name[i] ^= 'b' ^ 'l';

    return get_pix_fmt_internal(name);
}

#define FF_COLOR_NA      -1
#define FF_COLOR_RGB      0 /**< RGB color space */
#define FF_COLOR_GRAY     1 /**< gray color space */
#define FF_COLOR_YUV      2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */
#define FF_COLOR_YUV_JPEG 3 /**< YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */
#define FF_COLOR_XYZ      4

#define pixdesc_has_alpha(pixdesc) \
    ((pixdesc)->nb_components == 2 || (pixdesc)->nb_components == 4 || (pixdesc)->flags & AV_PIX_FMT_FLAG_PAL)


static int get_color_type(const AVPixFmtDescriptor *desc) {
    if (desc->flags & AV_PIX_FMT_FLAG_PAL)
        return FF_COLOR_RGB;

    if(desc->nb_components == 1 || desc->nb_components == 2)
        return FF_COLOR_GRAY;

    if(desc->name && !strncmp(desc->name, "yuvj", 4))
        return FF_COLOR_YUV_JPEG;

    if(desc->name && !strncmp(desc->name, "xyz", 3))
        return FF_COLOR_XYZ;

    if(desc->flags & AV_PIX_FMT_FLAG_RGB)
        return  FF_COLOR_RGB;

    if(desc->nb_components == 0)
        return FF_COLOR_NA;

    return FF_COLOR_YUV;
}

static int get_pix_fmt_depth(int *min, int *max, enum AVPixelFormat pix_fmt)
{
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
    int i;

    if (!desc || !desc->nb_components) {
        *min = *max = 0;
        return AVERROR(EINVAL);
    }

    *min = INT_MAX, *max = -INT_MAX;
    for (i = 0; i < desc->nb_components; i++) {
        *min = FFMIN(desc->comp[i].depth_minus1+1, *min);
        *max = FFMAX(desc->comp[i].depth_minus1+1, *max);
    }
    return 0;
}

static int get_pix_fmt_score(enum AVPixelFormat dst_pix_fmt,
                              enum AVPixelFormat src_pix_fmt,
                              unsigned *lossp, unsigned consider)
{
    const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
    const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
    int src_color, dst_color;
    int src_min_depth, src_max_depth, dst_min_depth, dst_max_depth;
    int ret, loss, i, nb_components;
    int score = INT_MAX - 1;

    if (dst_pix_fmt >= AV_PIX_FMT_NB || dst_pix_fmt <= AV_PIX_FMT_NONE)
        return ~0;

    /* compute loss */
    *lossp = loss = 0;

    if (dst_pix_fmt == src_pix_fmt)
        return INT_MAX;

    if ((ret = get_pix_fmt_depth(&src_min_depth, &src_max_depth, src_pix_fmt)) < 0)
        return ret;
    if ((ret = get_pix_fmt_depth(&dst_min_depth, &dst_max_depth, dst_pix_fmt)) < 0)
        return ret;

    src_color = get_color_type(src_desc);
    dst_color = get_color_type(dst_desc);
    if (dst_pix_fmt == AV_PIX_FMT_PAL8)
        nb_components = FFMIN(src_desc->nb_components, 4);
    else
        nb_components = FFMIN(src_desc->nb_components, dst_desc->nb_components);

    for (i = 0; i < nb_components; i++) {
        int depth_minus1 = (dst_pix_fmt == AV_PIX_FMT_PAL8) ? 7/nb_components : dst_desc->comp[i].depth_minus1;
        if (src_desc->comp[i].depth_minus1 > depth_minus1 && (consider & FF_LOSS_DEPTH)) {
            loss |= FF_LOSS_DEPTH;
            score -= 65536 >> depth_minus1;
        }
    }

    if (consider & FF_LOSS_RESOLUTION) {
        if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w) {
            loss |= FF_LOSS_RESOLUTION;
            score -= 256 << dst_desc->log2_chroma_w;
        }
        if (dst_desc->log2_chroma_h > src_desc->log2_chroma_h) {
            loss |= FF_LOSS_RESOLUTION;
            score -= 256 << dst_desc->log2_chroma_h;
        }
        // don't favor 422 over 420 if downsampling is needed, because 420 has much better support on the decoder side
        if (dst_desc->log2_chroma_w == 1 && src_desc->log2_chroma_w == 0 &&
            dst_desc->log2_chroma_h == 1 && src_desc->log2_chroma_h == 0 ) {
            score += 512;
        }
    }

    if(consider & FF_LOSS_COLORSPACE)
    switch(dst_color) {
    case FF_COLOR_RGB:
        if (src_color != FF_COLOR_RGB &&
            src_color != FF_COLOR_GRAY)
            loss |= FF_LOSS_COLORSPACE;
        break;
    case FF_COLOR_GRAY:
        if (src_color != FF_COLOR_GRAY)
            loss |= FF_LOSS_COLORSPACE;
        break;
    case FF_COLOR_YUV:
        if (src_color != FF_COLOR_YUV)
            loss |= FF_LOSS_COLORSPACE;
        break;
    case FF_COLOR_YUV_JPEG:
        if (src_color != FF_COLOR_YUV_JPEG &&
            src_color != FF_COLOR_YUV &&
            src_color != FF_COLOR_GRAY)
            loss |= FF_LOSS_COLORSPACE;
        break;
    default:
        /* fail safe test */
        if (src_color != dst_color)
            loss |= FF_LOSS_COLORSPACE;
        break;
    }
    if(loss & FF_LOSS_COLORSPACE)
        score -= (nb_components * 65536) >> FFMIN(dst_desc->comp[0].depth_minus1, src_desc->comp[0].depth_minus1);

    if (dst_color == FF_COLOR_GRAY &&
        src_color != FF_COLOR_GRAY && (consider & FF_LOSS_CHROMA)) {
        loss |= FF_LOSS_CHROMA;
        score -= 2 * 65536;
    }
    if (!pixdesc_has_alpha(dst_desc) && (pixdesc_has_alpha(src_desc) && (consider & FF_LOSS_ALPHA))) {
        loss |= FF_LOSS_ALPHA;
        score -= 65536;
    }
    if (dst_pix_fmt == AV_PIX_FMT_PAL8 && (consider & FF_LOSS_COLORQUANT) &&
        (src_pix_fmt != AV_PIX_FMT_PAL8 && (src_color != FF_COLOR_GRAY || (pixdesc_has_alpha(src_desc) && (consider & FF_LOSS_ALPHA))))) {
        loss |= FF_LOSS_COLORQUANT;
        score -= 65536;
    }

    *lossp = loss;
    return score;
}

int av_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
                            enum AVPixelFormat src_pix_fmt,
                            int has_alpha)
{
    int loss;
    int ret = get_pix_fmt_score(dst_pix_fmt, src_pix_fmt, &loss, has_alpha ? ~0 : ~FF_LOSS_ALPHA);
    if (ret < 0)
        return ret;
    return loss;
}

enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
                                             enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
{
    enum AVPixelFormat dst_pix_fmt;
    int loss1, loss2, loss_mask;
    const AVPixFmtDescriptor *desc1 = av_pix_fmt_desc_get(dst_pix_fmt1);
    const AVPixFmtDescriptor *desc2 = av_pix_fmt_desc_get(dst_pix_fmt2);
    int score1, score2;

    loss_mask= loss_ptr?~*loss_ptr:~0; /* use loss mask if provided */
    if(!has_alpha)
        loss_mask &= ~FF_LOSS_ALPHA;

    score1 = get_pix_fmt_score(dst_pix_fmt1, src_pix_fmt, &loss1, loss_mask);
    score2 = get_pix_fmt_score(dst_pix_fmt2, src_pix_fmt, &loss2, loss_mask);

    if (score1 == score2) {
        if(av_get_padded_bits_per_pixel(desc2) != av_get_padded_bits_per_pixel(desc1)) {
            dst_pix_fmt = av_get_padded_bits_per_pixel(desc2) < av_get_padded_bits_per_pixel(desc1) ? dst_pix_fmt2 : dst_pix_fmt1;
        } else {
            dst_pix_fmt = desc2->nb_components < desc1->nb_components ? dst_pix_fmt2 : dst_pix_fmt1;
        }
    } else {
        dst_pix_fmt = score1 < score2 ? dst_pix_fmt2 : dst_pix_fmt1;
    }

    if (loss_ptr)
        *loss_ptr = av_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha);
    return dst_pix_fmt;
}

const char *av_color_range_name(enum AVColorRange range)
{
    return (unsigned) range < AVCOL_RANGE_NB ?
        color_range_names[range] : NULL;
}

const char *av_color_primaries_name(enum AVColorPrimaries primaries)
{
    return (unsigned) primaries < AVCOL_PRI_NB ?
        color_primaries_names[primaries] : NULL;
}

const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer)
{
    return (unsigned) transfer < AVCOL_TRC_NB ?
        color_transfer_names[transfer] : NULL;
}

const char *av_color_space_name(enum AVColorSpace space)
{
    return (unsigned) space < AVCOL_SPC_NB ?
        color_space_names[space] : NULL;
}

const char *av_chroma_location_name(enum AVChromaLocation location)
{
    return (unsigned) location < AVCHROMA_LOC_NB ?
        chroma_location_names[location] : NULL;
}

#ifdef TEST

int main(void){
    int i;
    int err=0;
    int skip = 0;

    for (i=0; i<AV_PIX_FMT_NB*2; i++) {
        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(i);
        if(!desc || !desc->name) {
            skip ++;
            continue;
        }
        if (skip) {
            av_log(NULL, AV_LOG_INFO, "%3d unused pixel format values\n", skip);
            skip = 0;
        }
        av_log(NULL, AV_LOG_INFO, "pix fmt %s avg_bpp:%d colortype:%d\n", desc->name, av_get_padded_bits_per_pixel(desc), get_color_type(desc));
        if ((!(desc->flags & AV_PIX_FMT_FLAG_ALPHA)) != (desc->nb_components != 2 && desc->nb_components != 4)) {
            av_log(NULL, AV_LOG_ERROR, "Alpha flag mismatch\n");
            err = 1;
        }
    }
    return err;
}

#endif