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bfi: validate sample_rate

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A negative sample rate doesn't make sense and triggers assertions in
av_rescale_rnd.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2016-10-23 15:54:01 +02:00
parent 2eb05eaa68
commit 872fcfcc0f
1 changed files with 4 additions and 0 deletions
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4
libavformat/bfi.c
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@ -88,6 +88,10 @@ static int bfi_read_header(AVFormatContext * s)
vstream->codecpar->extradata_size);
astream->codecpar->sample_rate = avio_rl32(pb);
if (astream->codecpar->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", astream->codecpar->sample_rate);
return AVERROR_INVALIDDATA;
}
/* Set up the video codec... */
avpriv_set_pts_info(vstream, 32, 1, fps);