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] = {
|
| 439 |
.name = "rgb565le",
|
| 440 |
.nb_channels = 3,
|
| 441 |
.log2_chroma_w= 0,
|
| 442 |
.log2_chroma_h= 0,
|
| 443 |
.comp = {
|
| 444 |
{0,1,2,3,4}, /* R */
|
| 445 |
{0,1,1,5,5}, /* G */
|
| 446 |
{0,1,1,0,4}, /* B */
|
| 447 |
}, |
| 448 |
}, |
| 449 |
[PIX_FMT_RGB555BE] = {
|
| 450 |
.name = "rgb555be",
|
| 451 |
.nb_channels = 3,
|
| 452 |
.log2_chroma_w= 0,
|
| 453 |
.log2_chroma_h= 0,
|
| 454 |
.comp = {
|
| 455 |
{0,1,0,2,4}, /* R */
|
| 456 |
{0,1,1,5,4}, /* G */
|
| 457 |
{0,1,1,0,4}, /* B */
|
| 458 |
}, |
| 459 |
.flags = PIX_FMT_BE, |
| 460 |
}, |
| 461 |
[PIX_FMT_RGB555LE] = {
|
| 462 |
.name = "rgb555le",
|
| 463 |
.nb_channels = 3,
|
| 464 |
.log2_chroma_w= 0,
|
| 465 |
.log2_chroma_h= 0,
|
| 466 |
.comp = {
|
| 467 |
{0,1,2,2,4}, /* R */
|
| 468 |
{0,1,1,5,4}, /* G */
|
| 469 |
{0,1,1,0,4}, /* B */
|
| 470 |
}, |
| 471 |
}, |
| 472 |
[PIX_FMT_BGR565BE] = {
|
| 473 |
.name = "bgr565be",
|
| 474 |
.nb_channels = 3,
|
| 475 |
.log2_chroma_w= 0,
|
| 476 |
.log2_chroma_h= 0,
|
| 477 |
.comp = {
|
| 478 |
{0,1,0,3,4}, /* B */
|
| 479 |
{0,1,1,5,5}, /* G */
|
| 480 |
{0,1,1,0,4}, /* R */
|
| 481 |
}, |
| 482 |
.flags = PIX_FMT_BE, |
| 483 |
}, |
| 484 |
[PIX_FMT_BGR565LE] = {
|
| 485 |
.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 |
} |