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libavformat: Allow calling av_write_trailer with a NULL AVIOContext

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2014-12-19 15:40:02 +02:00
parent cee4490b52
commit 4895aa65c6
1 changed files with 1 additions and 1 deletions
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2
libavformat/mux.c
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@ -624,7 +624,7 @@ int av_write_trailer(AVFormatContext *s)
if (s->oformat->write_trailer)
ret = s->oformat->write_trailer(s);
if (!(s->oformat->flags & AVFMT_NOFILE))
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_flush(s->pb);
fail: