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westwood_aud: prevent division by zero

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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2016-10-16 22:42:32 +02:00
parent 9959a52b14
commit bc7e128a6e
1 changed files with 6 additions and 0 deletions
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6
libavformat/westwood_aud.c
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@ -164,6 +164,12 @@ static int wsaud_read_packet(AVFormatContext *s,
if (ret != chunk_size)
return AVERROR(EIO);
if (st->codecpar->channels <= 0) {
av_log(s, AV_LOG_ERROR, "invalid number of channels %d\n",
st->codecpar->channels);
return AVERROR_INVALIDDATA;
}
/* 2 samples/byte, 1 or 2 samples per frame depending on stereo */
pkt->duration = (chunk_size * 2) / st->codecpar->channels;
}