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avcodec: Define side data type for fallback track

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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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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().