forked from mirror/libbpg
170 lines
4.5 KiB
C
170 lines
4.5 KiB
C
/*
|
|
* pixel format descriptor
|
|
* Copyright (c) 2009 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "avassert.h"
|
|
#include "avstring.h"
|
|
#include "common.h"
|
|
#include "pixfmt.h"
|
|
#include "pixdesc.h"
|
|
#include "internal.h"
|
|
#include "intreadwrite.h"
|
|
#include "version.h"
|
|
|
|
typedef struct {
|
|
enum AVPixelFormat pix_fmt;
|
|
AVPixFmtDescriptor desc;
|
|
} AVPixFmtDescriptorEntry;
|
|
|
|
|
|
static const AVPixFmtDescriptorEntry pix_desc[] = {
|
|
#ifdef USE_VAR_BIT_DEPTH
|
|
{
|
|
AV_PIX_FMT_YUV420P16LE,
|
|
{
|
|
//.name = "yuv420p16le",
|
|
.nb_components = 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 */
|
|
},
|
|
}
|
|
},
|
|
{
|
|
AV_PIX_FMT_YUV422P16LE,
|
|
{
|
|
//.name = "yuv422p16le",
|
|
.nb_components = 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 = AV_PIX_FMT_FLAG_PLANAR,
|
|
}
|
|
},
|
|
{
|
|
AV_PIX_FMT_YUV444P16LE,
|
|
{
|
|
//.name = "yuv444p16le",
|
|
.nb_components = 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 = AV_PIX_FMT_FLAG_PLANAR,
|
|
}
|
|
},
|
|
{
|
|
AV_PIX_FMT_GRAY16LE,
|
|
{
|
|
//.name = "gray16le",
|
|
.nb_components = 1,
|
|
.log2_chroma_w = 0,
|
|
.log2_chroma_h = 0,
|
|
.comp = {
|
|
{ 0, 1, 1, 0, 15 }, /* Y */
|
|
},
|
|
//.alias = "y16le",
|
|
},
|
|
},
|
|
#else
|
|
{
|
|
AV_PIX_FMT_YUV420P,
|
|
{
|
|
//.name = "yuv420p",
|
|
.nb_components = 3,
|
|
.log2_chroma_w = 1,
|
|
.log2_chroma_h = 1,
|
|
.comp = {
|
|
{ 0, 1, 1, 0, 7 }, /* Y */
|
|
{ 1, 1, 1, 0, 7 }, /* U */
|
|
{ 2, 1, 1, 0, 7 }, /* V */
|
|
},
|
|
}
|
|
},
|
|
{
|
|
AV_PIX_FMT_YUV422P16LE,
|
|
{
|
|
//.name = "yuv422p",
|
|
.nb_components = 3,
|
|
.log2_chroma_w = 1,
|
|
.log2_chroma_h = 0,
|
|
.comp = {
|
|
{ 0, 1, 1, 0, 7 }, /* Y */
|
|
{ 1, 1, 1, 0, 7 }, /* U */
|
|
{ 2, 1, 1, 0, 7 }, /* V */
|
|
},
|
|
.flags = AV_PIX_FMT_FLAG_PLANAR,
|
|
}
|
|
},
|
|
{
|
|
AV_PIX_FMT_YUV444P,
|
|
{
|
|
//.name = "yuv444p",
|
|
.nb_components = 3,
|
|
.log2_chroma_w = 0,
|
|
.log2_chroma_h = 0,
|
|
.comp = {
|
|
{ 0, 1, 1, 0, 7 }, /* Y */
|
|
{ 1, 1, 1, 0, 7 }, /* U */
|
|
{ 2, 1, 1, 0, 7 }, /* V */
|
|
},
|
|
.flags = AV_PIX_FMT_FLAG_PLANAR,
|
|
}
|
|
},
|
|
{
|
|
AV_PIX_FMT_GRAY8,
|
|
{
|
|
//.name = "gray",
|
|
.nb_components = 1,
|
|
.log2_chroma_w = 0,
|
|
.log2_chroma_h = 0,
|
|
.comp = {
|
|
{ 0, 1, 1, 0, 7 }, /* Y */
|
|
},
|
|
},
|
|
},
|
|
#endif
|
|
};
|
|
|
|
#define countof(x) (sizeof(x) / sizeof(x[0]))
|
|
|
|
const AVPixFmtDescriptor *av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
|
|
{
|
|
int i;
|
|
for(i = 0; i < countof(pix_desc); i++) {
|
|
if (pix_desc[i].pix_fmt == pix_fmt) {
|
|
return &pix_desc[i].desc;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|