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avformat/svag: fix division by zero

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Fixes ticket 

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit d5a3578350a3901a26df39df196bb085760ec46f)
This commit is contained in:
James Almer 2016-03-28 21:34:08 -03:00
parent 3d9ebfd272
commit 7b1e020fc5
1 changed files with 1 additions and 1 deletions

2
libavformat/svag.c

@ -48,7 +48,7 @@ static int svag_read_header(AVFormatContext *s)
if (st->codec->sample_rate <= 0)
return AVERROR_INVALIDDATA;
st->codec->channels = avio_rl32(s->pb);
if (st->codec->channels <= 0)
if (st->codec->channels <= 0 || st->codec->channels > 8)
return AVERROR_INVALIDDATA;
st->duration = size / (16 * st->codec->channels) * 28;
align = avio_rl32(s->pb);