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mxf_set_audio_pts: fix division by 0

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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 2012-12-12 11:35:31 +01:00
parent a0f659b275
commit 75b3911e5a
1 changed files with 2 additions and 0 deletions
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2
libavformat/mxfdec.c
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@ -2057,6 +2057,8 @@ static int mxf_set_audio_pts(MXFContext *mxf, AVCodecContext *codec, AVPacket *p
{
MXFTrack *track = mxf->fc->streams[pkt->stream_index]->priv_data;
pkt->pts = track->sample_count;
if (codec->channels <= 0 || av_get_bits_per_sample(codec->codec_id) <= 0)
return AVERROR(EINVAL);
track->sample_count += pkt->size / (codec->channels * av_get_bits_per_sample(codec->codec_id) / 8);
return 0;
}