forked from mirror/libbpg
170 lines
4.5 KiB
C
170 lines
4.5 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 <stdio.h>
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#include <string.h>
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#include "avassert.h"
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#include "avstring.h"
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#include "common.h"
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#include "pixfmt.h"
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#include "pixdesc.h"
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#include "internal.h"
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#include "intreadwrite.h"
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#include "version.h"
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typedef struct {
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enum AVPixelFormat pix_fmt;
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AVPixFmtDescriptor desc;
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} AVPixFmtDescriptorEntry;
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static const AVPixFmtDescriptorEntry pix_desc[] = {
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#ifdef USE_VAR_BIT_DEPTH
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{
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AV_PIX_FMT_YUV420P16LE,
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{
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//.name = "yuv420p16le",
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.nb_components = 3,
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.log2_chroma_w = 1,
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.log2_chroma_h = 1,
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.comp = {
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{ 0, 1, 1, 0, 15 }, /* Y */
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{ 1, 1, 1, 0, 15 }, /* U */
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{ 2, 1, 1, 0, 15 }, /* V */
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},
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}
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},
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{
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AV_PIX_FMT_YUV422P16LE,
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{
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//.name = "yuv422p16le",
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.nb_components = 3,
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.log2_chroma_w = 1,
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.log2_chroma_h = 0,
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.comp = {
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{ 0, 1, 1, 0, 15 }, /* Y */
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{ 1, 1, 1, 0, 15 }, /* U */
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{ 2, 1, 1, 0, 15 }, /* V */
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},
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.flags = AV_PIX_FMT_FLAG_PLANAR,
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}
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},
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{
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AV_PIX_FMT_YUV444P16LE,
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{
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//.name = "yuv444p16le",
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.nb_components = 3,
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.log2_chroma_w = 0,
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.log2_chroma_h = 0,
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.comp = {
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{ 0, 1, 1, 0, 15 }, /* Y */
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{ 1, 1, 1, 0, 15 }, /* U */
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{ 2, 1, 1, 0, 15 }, /* V */
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},
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.flags = AV_PIX_FMT_FLAG_PLANAR,
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}
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},
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{
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AV_PIX_FMT_GRAY16LE,
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{
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//.name = "gray16le",
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.nb_components = 1,
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.log2_chroma_w = 0,
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.log2_chroma_h = 0,
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.comp = {
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{ 0, 1, 1, 0, 15 }, /* Y */
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},
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//.alias = "y16le",
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},
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},
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#else
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{
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AV_PIX_FMT_YUV420P,
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{
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//.name = "yuv420p",
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.nb_components = 3,
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.log2_chroma_w = 1,
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.log2_chroma_h = 1,
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.comp = {
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{ 0, 1, 1, 0, 7 }, /* Y */
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{ 1, 1, 1, 0, 7 }, /* U */
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{ 2, 1, 1, 0, 7 }, /* V */
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},
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}
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},
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{
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AV_PIX_FMT_YUV422P,
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{
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//.name = "yuv422p",
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.nb_components = 3,
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.log2_chroma_w = 1,
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.log2_chroma_h = 0,
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.comp = {
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{ 0, 1, 1, 0, 7 }, /* Y */
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{ 1, 1, 1, 0, 7 }, /* U */
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{ 2, 1, 1, 0, 7 }, /* V */
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},
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.flags = AV_PIX_FMT_FLAG_PLANAR,
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}
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},
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{
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AV_PIX_FMT_YUV444P,
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{
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//.name = "yuv444p",
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.nb_components = 3,
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.log2_chroma_w = 0,
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.log2_chroma_h = 0,
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.comp = {
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{ 0, 1, 1, 0, 7 }, /* Y */
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{ 1, 1, 1, 0, 7 }, /* U */
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{ 2, 1, 1, 0, 7 }, /* V */
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},
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.flags = AV_PIX_FMT_FLAG_PLANAR,
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}
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},
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{
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AV_PIX_FMT_GRAY8,
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{
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//.name = "gray",
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.nb_components = 1,
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.log2_chroma_w = 0,
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.log2_chroma_h = 0,
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.comp = {
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{ 0, 1, 1, 0, 7 }, /* Y */
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},
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},
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},
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#endif
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};
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#define countof(x) (sizeof(x) / sizeof(x[0]))
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const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
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{
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int i;
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for(i = 0; i < countof(pix_desc); i++) {
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if (pix_desc[i].pix_fmt == pix_fmt) {
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return &pix_desc[i].desc;
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}
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}
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return NULL;
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}
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