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ffmpeg / libavutil / pixdesc.c @ 92c6a099

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/*
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 * pixel format descriptor
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 * Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include "pixfmt.h"
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#include "pixdesc.h"
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const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
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    [PIX_FMT_YUV420P] = {
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        .name = "yuv420p",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUYV422] = {
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        .name = "yuyv422",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,1,0,7},        /* Y */
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            {0,3,2,0,7},        /* U */
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            {0,3,4,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_RGB24] = {
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        .name = "rgb24",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,2,1,0,7},        /* R */
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            {0,2,2,0,7},        /* G */
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            {0,2,3,0,7},        /* B */
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        },
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    },
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    [PIX_FMT_BGR24] = {
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        .name = "bgr24",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,2,1,0,7},        /* B */
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            {0,2,2,0,7},        /* G */
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            {0,2,3,0,7},        /* R */
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        },
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    },
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    [PIX_FMT_YUV422P] = {
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        .name = "yuv422p",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUV444P] = {
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        .name = "yuv444p",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUV410P] = {
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        .name = "yuv410p",
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        .nb_components= 3,
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        .log2_chroma_w= 2,
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        .log2_chroma_h= 2,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUV411P] = {
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        .name = "yuv411p",
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        .nb_components= 3,
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        .log2_chroma_w= 2,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_GRAY8] = {
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        .name = "gray",
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        .nb_components= 1,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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        },
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    },
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    [PIX_FMT_MONOWHITE] = {
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        .name = "monow",
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        .nb_components= 1,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,0},        /* Y */
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        },
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        .flags = PIX_FMT_BITSTREAM,
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    },
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    [PIX_FMT_MONOBLACK] = {
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        .name = "monob",
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        .nb_components= 1,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,7,0},        /* Y */
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        },
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        .flags = PIX_FMT_BITSTREAM,
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    },
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    [PIX_FMT_PAL8] = {
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        .name = "pal8",
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        .nb_components= 1,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},
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        },
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        .flags = PIX_FMT_PAL,
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    },
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    [PIX_FMT_YUVJ420P] = {
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        .name = "yuvj420p",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUVJ422P] = {
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        .name = "yuvj422p",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUVJ444P] = {
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        .name = "yuvj444p",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_XVMC_MPEG2_MC] = {
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        .name = "xvmcmc",
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_XVMC_MPEG2_IDCT] = {
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        .name = "xvmcidct",
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_UYVY422] = {
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        .name = "uyvy422",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,2,0,7},        /* Y */
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            {0,3,1,0,7},        /* U */
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            {0,3,3,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_UYYVYY411] = {
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        .name = "uyyvyy411",
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        .nb_components= 3,
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        .log2_chroma_w= 2,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,2,0,7},        /* Y */
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            {0,5,1,0,7},        /* U */
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            {0,5,4,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_BGR8] = {
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        .name = "bgr8",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,6,1},        /* B */
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            {0,0,1,3,2},        /* G */
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            {0,0,1,0,2},        /* R */
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        },
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        .flags = PIX_FMT_PAL,
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    },
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    [PIX_FMT_BGR4] = {
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        .name = "bgr4",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,1,0,0},        /* B */
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            {0,3,2,0,1},        /* G */
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            {0,3,4,0,0},        /* R */
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        },
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        .flags = PIX_FMT_BITSTREAM,
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    },
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    [PIX_FMT_BGR4_BYTE] = {
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        .name = "bgr4_byte",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,3,0},        /* B */
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            {0,0,1,1,1},        /* G */
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            {0,0,1,0,0},        /* R */
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        },
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        .flags = PIX_FMT_PAL,
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    },
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    [PIX_FMT_RGB8] = {
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        .name = "rgb8",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,6,1},        /* R */
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            {0,0,1,3,2},        /* G */
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            {0,0,1,0,2},        /* B */
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        },
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        .flags = PIX_FMT_PAL,
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    },
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    [PIX_FMT_RGB4] = {
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        .name = "rgb4",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,1,0,0},       /* R */
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            {0,3,2,0,1},       /* G */
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            {0,3,4,0,0},       /* B */
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        },
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        .flags = PIX_FMT_BITSTREAM,
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    },
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    [PIX_FMT_RGB4_BYTE] = {
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        .name = "rgb4_byte",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,0,1,3,0},        /* R */
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            {0,0,1,1,1},        /* G */
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            {0,0,1,0,0},        /* B */
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        },
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        .flags = PIX_FMT_PAL,
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    },
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    [PIX_FMT_NV12] = {
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        .name = "nv12",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,1,1,0,7},        /* U */
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            {1,1,2,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_NV21] = {
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        .name = "nv21",
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        .nb_components= 3,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,1,1,0,7},        /* V */
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            {1,1,2,0,7},        /* U */
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        },
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    },
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    [PIX_FMT_ARGB] = {
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        .name = "argb",
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        .nb_components= 4,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,1,0,7},        /* A */
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            {0,3,2,0,7},        /* R */
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            {0,3,3,0,7},        /* G */
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            {0,3,4,0,7},        /* B */
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        },
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    },
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    [PIX_FMT_RGBA] = {
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        .name = "rgba",
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        .nb_components= 4,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,1,0,7},        /* R */
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            {0,3,2,0,7},        /* G */
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            {0,3,3,0,7},        /* B */
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            {0,3,4,0,7},        /* A */
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        },
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    },
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    [PIX_FMT_ABGR] = {
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        .name = "abgr",
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        .nb_components= 4,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,1,0,7},        /* A */
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            {0,3,2,0,7},        /* B */
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            {0,3,3,0,7},        /* G */
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            {0,3,4,0,7},        /* R */
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        },
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    },
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    [PIX_FMT_BGRA] = {
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        .name = "bgra",
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        .nb_components= 4,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,3,1,0,7},        /* B */
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            {0,3,2,0,7},        /* G */
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            {0,3,3,0,7},        /* R */
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            {0,3,4,0,7},        /* A */
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        },
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    },
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    [PIX_FMT_GRAY16BE] = {
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        .name = "gray16be",
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        .nb_components= 1,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,1,0,15},       /* Y */
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        },
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        .flags = PIX_FMT_BE,
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    },
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    [PIX_FMT_GRAY16LE] = {
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        .name = "gray16le",
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        .nb_components= 1,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,1,0,15},       /* Y */
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        },
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    },
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    [PIX_FMT_YUV440P] = {
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        .name = "yuv440p",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUVJ440P] = {
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        .name = "yuvj440p",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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        },
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    },
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    [PIX_FMT_YUVA420P] = {
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        .name = "yuva420p",
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        .nb_components= 4,
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        .log2_chroma_w= 1,
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        .log2_chroma_h= 1,
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        .comp = {
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            {0,0,1,0,7},        /* Y */
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            {1,0,1,0,7},        /* U */
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            {2,0,1,0,7},        /* V */
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            {3,0,1,0,7},        /* A */
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        },
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    },
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    [PIX_FMT_VDPAU_H264] = {
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        .name = "vdpau_h264",
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        .log2_chroma_w = 1,
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        .log2_chroma_h = 1,
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_VDPAU_MPEG1] = {
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        .name = "vdpau_mpeg1",
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        .log2_chroma_w = 1,
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        .log2_chroma_h = 1,
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_VDPAU_MPEG2] = {
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        .name = "vdpau_mpeg2",
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        .log2_chroma_w = 1,
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        .log2_chroma_h = 1,
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_VDPAU_WMV3] = {
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        .name = "vdpau_wmv3",
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        .log2_chroma_w = 1,
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        .log2_chroma_h = 1,
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_VDPAU_VC1] = {
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        .name = "vdpau_vc1",
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        .log2_chroma_w = 1,
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        .log2_chroma_h = 1,
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_VDPAU_MPEG4] = {
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        .name = "vdpau_mpeg4",
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        .log2_chroma_w = 1,
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        .log2_chroma_h = 1,
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        .flags = PIX_FMT_HWACCEL,
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    },
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    [PIX_FMT_RGB48BE] = {
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        .name = "rgb48be",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,5,1,0,15},       /* R */
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            {0,5,3,0,15},       /* G */
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            {0,5,5,0,15},       /* B */
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        },
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        .flags = PIX_FMT_BE,
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    },
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    [PIX_FMT_RGB48LE] = {
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        .name = "rgb48le",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,5,1,0,15},       /* R */
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            {0,5,3,0,15},       /* G */
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            {0,5,5,0,15},       /* B */
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        },
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    },
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    [PIX_FMT_RGB565BE] = {
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        .name = "rgb565be",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,0,3,4},        /* R */
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            {0,1,1,5,5},        /* G */
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            {0,1,1,0,4},        /* B */
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        },
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        .flags = PIX_FMT_BE,
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    },
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    [PIX_FMT_RGB565LE] = {
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        .name = "rgb565le",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,2,3,4},        /* R */
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            {0,1,1,5,5},        /* G */
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            {0,1,1,0,4},        /* B */
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        },
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    },
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    [PIX_FMT_RGB555BE] = {
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        .name = "rgb555be",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,0,2,4},        /* R */
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            {0,1,1,5,4},        /* G */
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            {0,1,1,0,4},        /* B */
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        },
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        .flags = PIX_FMT_BE,
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    },
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    [PIX_FMT_RGB555LE] = {
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        .name = "rgb555le",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,2,2,4},        /* R */
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            {0,1,1,5,4},        /* G */
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            {0,1,1,0,4},        /* B */
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        },
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    },
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    [PIX_FMT_BGR565BE] = {
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        .name = "bgr565be",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
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        .log2_chroma_h= 0,
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        .comp = {
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            {0,1,0,3,4},        /* B */
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            {0,1,1,5,5},        /* G */
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            {0,1,1,0,4},        /* R */
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        },
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        .flags = PIX_FMT_BE,
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    },
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    [PIX_FMT_BGR565LE] = {
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        .name = "bgr565le",
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        .nb_components= 3,
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        .log2_chroma_w= 0,
532
        .log2_chroma_h= 0,
533
        .comp = {
534
            {0,1,2,3,4},        /* B */
535
            {0,1,1,5,5},        /* G */
536
            {0,1,1,0,4},        /* R */
537
        },
538
    },
539
    [PIX_FMT_BGR555BE] = {
540
        .name = "bgr555be",
541
        .nb_components= 3,
542
        .log2_chroma_w= 0,
543
        .log2_chroma_h= 0,
544
        .comp = {
545
            {0,1,0,2,4},       /* B */
546
            {0,1,1,5,4},       /* G */
547
            {0,1,1,0,4},       /* R */
548
        },
549
        .flags = PIX_FMT_BE,
550
     },
551
    [PIX_FMT_BGR555LE] = {
552
        .name = "bgr555le",
553
        .nb_components= 3,
554
        .log2_chroma_w= 0,
555
        .log2_chroma_h= 0,
556
        .comp = {
557
            {0,1,2,2,4},        /* B */
558
            {0,1,1,5,4},        /* G */
559
            {0,1,1,0,4},        /* R */
560
        },
561
    },
562
    [PIX_FMT_VAAPI_MOCO] = {
563
        .name = "vaapi_moco",
564
        .log2_chroma_w = 1,
565
        .log2_chroma_h = 1,
566
        .flags = PIX_FMT_HWACCEL,
567
    },
568
    [PIX_FMT_VAAPI_IDCT] = {
569
        .name = "vaapi_idct",
570
        .log2_chroma_w = 1,
571
        .log2_chroma_h = 1,
572
        .flags = PIX_FMT_HWACCEL,
573
    },
574
    [PIX_FMT_VAAPI_VLD] = {
575
        .name = "vaapi_vld",
576
        .log2_chroma_w = 1,
577
        .log2_chroma_h = 1,
578
        .flags = PIX_FMT_HWACCEL,
579
    },
580
    [PIX_FMT_YUV420P16LE] = {
581
        .name = "yuv420p16le",
582
        .nb_components= 3,
583
        .log2_chroma_w= 1,
584
        .log2_chroma_h= 1,
585
        .comp = {
586
            {0,1,1,0,15},        /* Y */
587
            {1,1,1,0,15},        /* U */
588
            {2,1,1,0,15},        /* V */
589
        },
590
    },
591
    [PIX_FMT_YUV420P16BE] = {
592
        .name = "yuv420p16be",
593
        .nb_components= 3,
594
        .log2_chroma_w= 1,
595
        .log2_chroma_h= 1,
596
        .comp = {
597
            {0,1,1,0,15},        /* Y */
598
            {1,1,1,0,15},        /* U */
599
            {2,1,1,0,15},        /* V */
600
        },
601
        .flags = PIX_FMT_BE,
602
    },
603
    [PIX_FMT_YUV422P16LE] = {
604
        .name = "yuv422p16le",
605
        .nb_components= 3,
606
        .log2_chroma_w= 1,
607
        .log2_chroma_h= 0,
608
        .comp = {
609
            {0,1,1,0,15},        /* Y */
610
            {1,1,1,0,15},        /* U */
611
            {2,1,1,0,15},        /* V */
612
        },
613
    },
614
    [PIX_FMT_YUV422P16BE] = {
615
        .name = "yuv422p16be",
616
        .nb_components= 3,
617
        .log2_chroma_w= 1,
618
        .log2_chroma_h= 0,
619
        .comp = {
620
            {0,1,1,0,15},        /* Y */
621
            {1,1,1,0,15},        /* U */
622
            {2,1,1,0,15},        /* V */
623
        },
624
        .flags = PIX_FMT_BE,
625
    },
626
    [PIX_FMT_YUV444P16LE] = {
627
        .name = "yuv444p16le",
628
        .nb_components= 3,
629
        .log2_chroma_w= 0,
630
        .log2_chroma_h= 0,
631
        .comp = {
632
            {0,1,1,0,15},        /* Y */
633
            {1,1,1,0,15},        /* U */
634
            {2,1,1,0,15},        /* V */
635
        },
636
    },
637
    [PIX_FMT_YUV444P16BE] = {
638
        .name = "yuv444p16be",
639
        .nb_components= 3,
640
        .log2_chroma_w= 0,
641
        .log2_chroma_h= 0,
642
        .comp = {
643
            {0,1,1,0,15},        /* Y */
644
            {1,1,1,0,15},        /* U */
645
            {2,1,1,0,15},        /* V */
646
        },
647
        .flags = PIX_FMT_BE,
648
    },
649
    [PIX_FMT_DXVA2_VLD] = {
650
        .name = "dxva2_vld",
651
        .log2_chroma_w = 1,
652
        .log2_chroma_h = 1,
653
        .flags = PIX_FMT_HWACCEL,
654
    },
655
};
656

    
657
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
658
{
659
    int c, bits = 0;
660
    int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
661

    
662
    for (c = 0; c < pixdesc->nb_components; c++) {
663
        int s = c==1 || c==2 ? 0 : log2_pixels;
664
        bits += (pixdesc->comp[c].depth_minus1+1) << s;
665
    }
666

    
667
    return bits >> log2_pixels;
668
}