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electronicarts: check timebase, fix assertion failure

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-28 01:08:24 +01:00
parent a56d963f11
commit 1831274ff1
1 changed files with 4 additions and 0 deletions
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4
libavformat/electronicarts.c
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@ -289,6 +289,10 @@ static int process_video_header_vp6(AVFormatContext *s)
avio_skip(pb, 4);
ea->time_base.den = avio_rl32(pb);
ea->time_base.num = avio_rl32(pb);
if (ea->time_base.den <= 0 || ea->time_base.num <= 0) {
av_log(s, AV_LOG_ERROR, "Timebase is invalid\n");
return AVERROR_INVALIDDATA;
}
ea->video_codec = AV_CODEC_ID_VP6;
return 1;