mirror of https://git.ffmpeg.org/ffmpeg.git
597 lines
16 KiB
C
597 lines
16 KiB
C
/*
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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 "libavutil/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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},
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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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},
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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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},
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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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},
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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] = {
|
|
.name = "bgr565le",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 0,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,2,3,4}, /* B */
|
|
{0,1,1,5,5}, /* G */
|
|
{0,1,1,0,4}, /* R */
|
|
},
|
|
},
|
|
[PIX_FMT_BGR555BE] = {
|
|
.name = "bgr555be",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 0,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,0,2,4}, /* B */
|
|
{0,1,1,5,4}, /* G */
|
|
{0,1,1,0,4}, /* R */
|
|
},
|
|
.flags = PIX_FMT_BE,
|
|
},
|
|
[PIX_FMT_BGR555LE] = {
|
|
.name = "bgr555le",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 0,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,2,2,4}, /* B */
|
|
{0,1,1,5,4}, /* G */
|
|
{0,1,1,0,4}, /* R */
|
|
},
|
|
},
|
|
[PIX_FMT_YUV420P16LE] = {
|
|
.name = "yuv420p16le",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 1,
|
|
.log2_chroma_h= 1,
|
|
.comp = {
|
|
{0,1,1,0,15}, /* Y */
|
|
{1,1,1,0,15}, /* U */
|
|
{2,1,1,0,15}, /* V */
|
|
},
|
|
},
|
|
[PIX_FMT_YUV420P16BE] = {
|
|
.name = "yuv420p16be",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 1,
|
|
.log2_chroma_h= 1,
|
|
.comp = {
|
|
{0,1,1,0,15}, /* Y */
|
|
{1,1,1,0,15}, /* U */
|
|
{2,1,1,0,15}, /* V */
|
|
},
|
|
.flags = PIX_FMT_BE,
|
|
},
|
|
[PIX_FMT_YUV422P16LE] = {
|
|
.name = "yuv422p16le",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 1,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,1,0,15}, /* Y */
|
|
{1,1,1,0,15}, /* U */
|
|
{2,1,1,0,15}, /* V */
|
|
},
|
|
},
|
|
[PIX_FMT_YUV422P16BE] = {
|
|
.name = "yuv422p16be",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 1,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,1,0,15}, /* Y */
|
|
{1,1,1,0,15}, /* U */
|
|
{2,1,1,0,15}, /* V */
|
|
},
|
|
.flags = PIX_FMT_BE,
|
|
},
|
|
[PIX_FMT_YUV444P16LE] = {
|
|
.name = "yuv444p16le",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 0,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,1,0,15}, /* Y */
|
|
{1,1,1,0,15}, /* U */
|
|
{2,1,1,0,15}, /* V */
|
|
},
|
|
},
|
|
[PIX_FMT_YUV444P16BE] = {
|
|
.name = "yuv444p16be",
|
|
.nb_channels = 3,
|
|
.log2_chroma_w= 0,
|
|
.log2_chroma_h= 0,
|
|
.comp = {
|
|
{0,1,1,0,15}, /* Y */
|
|
{1,1,1,0,15}, /* U */
|
|
{2,1,1,0,15}, /* V */
|
|
},
|
|
.flags = PIX_FMT_BE,
|
|
},
|
|
};
|
|
|
|
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
|
|
{
|
|
int c, bits = 0;
|
|
int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
|
|
|
|
for (c = 0; c < pixdesc->nb_channels; c++) {
|
|
int s = c==1 || c==2 ? 0 : log2_pixels;
|
|
bits += (pixdesc->comp[c].depth_minus1+1) << s;
|
|
}
|
|
|
|
return bits >> log2_pixels;
|
|
}
|