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yop: check return value of avformat_new_stream() 

Fixes null pointer dereference, fixes CID703729.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-10-12 14:23:01 +00:00
parent a9bd51b1e6
commit 3d179edf6d
1 changed files with 2 additions and 0 deletions
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libavformat/yop.c
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@ -64,6 +64,8 @@ static int yop_read_header(AVFormatContext *s)
audio_stream = avformat_new_stream(s, NULL);
video_stream = avformat_new_stream(s, NULL);
if (!audio_stream || !video_stream)
return AVERROR(ENOMEM);
// Extra data that will be passed to the decoder
video_stream->codec->extradata_size = 8;