avutil: add AVERROR_UNKNOWN
Useful to return instead of -1 when the cause of the error is unknown,
typically from an external library.
(cherry picked from commit c9bca80132
)
Conflicts:
doc/APIchanges
libavutil/avutil.h
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
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committed by
Reinhard Tartler

parent
750f5baf30
commit
7f3f85544c
@@ -13,6 +13,9 @@ libavutil: 2011-04-18
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API changes, most recent first:
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2012-03-04 - xxxxxxx - lavu 51.22.1 - error.h
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Add AVERROR_UNKNOWN
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2012-02-29 - xxxxxxx - lavf 53.21.0
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Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
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