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libavformat/utils: Fix segfault on m4a cover artwork parsing

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Lazaros Koromilas 2014-05-27 14:38:44 +03:00 committed by Michael Niedermayer
parent 12875df324
commit bbc10a1aa5
1 changed files with 2 additions and 0 deletions
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2
libavformat/utils.c
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@ -517,6 +517,8 @@ int avformat_queue_attached_pictures(AVFormatContext *s)
if (s->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC && if (s->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC &&
s->streams[i]->discard < AVDISCARD_ALL) { s->streams[i]->discard < AVDISCARD_ALL) {
AVPacket copy = s->streams[i]->attached_pic; AVPacket copy = s->streams[i]->attached_pic;
if (copy.size <= 0)
return AVERROR(EINVAL);
copy.buf = av_buffer_ref(copy.buf); copy.buf = av_buffer_ref(copy.buf);
if (!copy.buf) if (!copy.buf)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);