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avcodec: Define side data type for fallback track 

This side data type is meant to be added to AVStream side data.
A fallback track indicates an alternate track to use when the
current track can not be decoded for some reason.  e.g. no
decoder available for codec.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
John Stebbins 2015-11-06 07:29:18 -08:00 committed by Anton Khirnov
parent 7f4ec4364b
commit 79ae1e630b
3 changed files with 13 additions and 1 deletions
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4
doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2015-08-28
API changes, most recent first:
2015-11-xx - xxxxxxx - lavc 57.9.0 - avcodec.h
Add AV_PKT_DATA_FALLBACK_TRACK for making fallback associations between
streams.
2015-11-xx - xxxxxxx - lavf 57.1.0 - avformat.h
Add av_stream_new_side_data().

8
libavcodec/avcodec.h
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@ -1129,6 +1129,14 @@ enum AVPacketSideDataType {
* and FF_LAMBDA_MAX (bad).
*/
AV_PKT_DATA_QUALITY_FACTOR,
/**
* This side data contains an integer value representing the stream index
* of a "fallback" track. A fallback track indicates an alternate
* track to use when the current track can not be decoded for some reason.
* e.g. no decoder available for codec.
*/
AV_PKT_DATA_FALLBACK_TRACK,
};
typedef struct AVPacketSideData {

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 8
#define LIBAVCODEC_VERSION_MINOR 9
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \