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Code Issues Releases Activity

avcodec: add AVCodecContext.sw_pix_fmt

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This carries the pixel format that would be used if it were not for
hardware acceleration. This is equal to AVCodecContext.pix_fmt if
hardware acceleration is not in use.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Rémi Denis-Courmont 2014-12-19 19:15:07 +02:00 committed by Anton Khirnov
parent 4cfbeef31d
commit 57b6704ecd
4 changed files with 22 additions and 5 deletions
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3
doc/APIchanges
View File

@ -13,6 +13,9 @@ libavutil: 2014-08-09
API changes, most recent first:
201x-xx-xx - xxxxxxx - lavc 56.8.0 - avcodec.h
Add AVCodecContext.sw_pix_fmt.
2014-11-xx - xxxxxxx - lavf 56.06.3 - avformat.h
Add AVFormatContext.avoid_negative_ts.

7
libavcodec/avcodec.h
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@ -2800,6 +2800,13 @@ typedef struct AVCodecContext {
* - encoding: unused
*/
AVRational framerate;
/**
* Nominal unaccelerated pixel format, see AV_PIX_FMT_xxx.
* - encoding: unused.
* - decoding: Set by libavcodec before calling get_format()
*/
enum AVPixelFormat sw_pix_fmt;
} AVCodecContext;
/**

15
libavcodec/utils.c
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@ -665,10 +665,13 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
if (ret < 0)
return ret;
if (hwaccel && hwaccel->alloc_frame) {
ret = hwaccel->alloc_frame(avctx, frame);
goto end;
}
if (hwaccel) {
if (hwaccel->alloc_frame) {
ret = hwaccel->alloc_frame(avctx, frame);
goto end;
}
} else
avctx->sw_pix_fmt = avctx->pix_fmt;
#if FF_API_GET_BUFFER
FF_DISABLE_DEPRECATION_WARNINGS
@ -933,6 +936,10 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
while (fmt[n] != AV_PIX_FMT_NONE)
++n;
av_assert0(n >= 1);
avctx->sw_pix_fmt = fmt[n - 1];
av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
choices = av_malloc_array(n + 1, sizeof(*choices));
if (!choices)
return AV_PIX_FMT_NONE;

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 56
#define LIBAVCODEC_VERSION_MINOR 7
#define LIBAVCODEC_VERSION_MINOR 8
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \