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avformat/mca: clip timestamp when seeking into acceptable range
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@ -202,10 +202,13 @@ static int read_seek(AVFormatContext *s, int stream_index,
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MCADemuxContext *m = s->priv_data;
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int64_t ret = 0;
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if (timestamp < 0)
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timestamp = 0;
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timestamp /= m->samples_per_block;
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if (timestamp >= m->block_count)
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timestamp = m->block_count - 1;
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ret = avio_seek(s->pb, m->data_start + timestamp * m->block_size *
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st->codecpar->channels, SEEK_SET);
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if (ret < 0)
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return ret;
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