ffmpeg / libavutil / pixdesc.c @ d71ad089
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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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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 = "gray8",
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.nb_channels = 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 = "monowhite",
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.nb_channels = 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 = "monoblack",
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.nb_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_UYVY422] = { |
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.name = "uyvy422",
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.nb_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_RGB48BE] = { |
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.name = "rgb48be",
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.nb_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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_channels = 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",
|
486 |
.nb_channels = 3,
|
487 |
.log2_chroma_w= 0,
|
488 |
.log2_chroma_h= 0,
|
489 |
.comp = { |
490 |
{0,1,2,3,4}, /* B */ |
491 |
{0,1,1,5,5}, /* G */ |
492 |
{0,1,1,0,4}, /* R */ |
493 |
}, |
494 |
}, |
495 |
[PIX_FMT_BGR555BE] = { |
496 |
.name = "bgr555be",
|
497 |
.nb_channels = 3,
|
498 |
.log2_chroma_w= 0,
|
499 |
.log2_chroma_h= 0,
|
500 |
.comp = { |
501 |
{0,1,0,2,4}, /* B */ |
502 |
{0,1,1,5,4}, /* G */ |
503 |
{0,1,1,0,4}, /* R */ |
504 |
}, |
505 |
.flags = PIX_FMT_BE, |
506 |
}, |
507 |
[PIX_FMT_BGR555LE] = { |
508 |
.name = "bgr555le",
|
509 |
.nb_channels = 3,
|
510 |
.log2_chroma_w= 0,
|
511 |
.log2_chroma_h= 0,
|
512 |
.comp = { |
513 |
{0,1,2,2,4}, /* B */ |
514 |
{0,1,1,5,4}, /* G */ |
515 |
{0,1,1,0,4}, /* R */ |
516 |
}, |
517 |
}, |
518 |
[PIX_FMT_YUV420P16LE] = { |
519 |
.name = "yuv420p16le",
|
520 |
.nb_channels = 3,
|
521 |
.log2_chroma_w= 1,
|
522 |
.log2_chroma_h= 1,
|
523 |
.comp = { |
524 |
{0,1,1,0,15}, /* Y */ |
525 |
{1,1,1,0,15}, /* U */ |
526 |
{2,1,1,0,15}, /* V */ |
527 |
}, |
528 |
}, |
529 |
[PIX_FMT_YUV420P16BE] = { |
530 |
.name = "yuv420p16be",
|
531 |
.nb_channels = 3,
|
532 |
.log2_chroma_w= 1,
|
533 |
.log2_chroma_h= 1,
|
534 |
.comp = { |
535 |
{0,1,1,0,15}, /* Y */ |
536 |
{1,1,1,0,15}, /* U */ |
537 |
{2,1,1,0,15}, /* V */ |
538 |
}, |
539 |
.flags = PIX_FMT_BE, |
540 |
}, |
541 |
[PIX_FMT_YUV422P16LE] = { |
542 |
.name = "yuv422p16le",
|
543 |
.nb_channels = 3,
|
544 |
.log2_chroma_w= 1,
|
545 |
.log2_chroma_h= 0,
|
546 |
.comp = { |
547 |
{0,1,1,0,15}, /* Y */ |
548 |
{1,1,1,0,15}, /* U */ |
549 |
{2,1,1,0,15}, /* V */ |
550 |
}, |
551 |
}, |
552 |
[PIX_FMT_YUV422P16BE] = { |
553 |
.name = "yuv422p16be",
|
554 |
.nb_channels = 3,
|
555 |
.log2_chroma_w= 1,
|
556 |
.log2_chroma_h= 0,
|
557 |
.comp = { |
558 |
{0,1,1,0,15}, /* Y */ |
559 |
{1,1,1,0,15}, /* U */ |
560 |
{2,1,1,0,15}, /* V */ |
561 |
}, |
562 |
.flags = PIX_FMT_BE, |
563 |
}, |
564 |
[PIX_FMT_YUV444P16LE] = { |
565 |
.name = "yuv444p16le",
|
566 |
.nb_channels = 3,
|
567 |
.log2_chroma_w= 0,
|
568 |
.log2_chroma_h= 0,
|
569 |
.comp = { |
570 |
{0,1,1,0,15}, /* Y */ |
571 |
{1,1,1,0,15}, /* U */ |
572 |
{2,1,1,0,15}, /* V */ |
573 |
}, |
574 |
}, |
575 |
[PIX_FMT_YUV444P16BE] = { |
576 |
.name = "yuv444p16be",
|
577 |
.nb_channels = 3,
|
578 |
.log2_chroma_w= 0,
|
579 |
.log2_chroma_h= 0,
|
580 |
.comp = { |
581 |
{0,1,1,0,15}, /* Y */ |
582 |
{1,1,1,0,15}, /* U */ |
583 |
{2,1,1,0,15}, /* V */ |
584 |
}, |
585 |
.flags = PIX_FMT_BE, |
586 |
}, |
587 |
}; |
588 |
|
589 |
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc) |
590 |
{ |
591 |
int c, bits = 0; |
592 |
int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
|
593 |
|
594 |
for (c = 0; c < pixdesc->nb_channels; c++) { |
595 |
int s = c==1 || c==2 ? 0 : log2_pixels; |
596 |
bits += (pixdesc->comp[c].depth_minus1+1) << s;
|
597 |
} |
598 |
|
599 |
return bits >> log2_pixels;
|
600 |
} |