brstm: reject negative sample rate

A negative sample rate causes assertion failures in av_rescale_rnd.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2015-11-10 20:10:23 +01:00
parent 9c66428016
commit 7b67fe20f6

View File

@ -205,7 +205,7 @@ static int read_header(AVFormatContext *s)
avio_skip(s->pb, 1); // padding
st->codec->sample_rate = bfstm ? read32(s) : read16(s);
if (!st->codec->sample_rate)
if (st->codec->sample_rate <= 0)
return AVERROR_INVALIDDATA;
if (!bfstm)