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avformat/brstm: clip timestamp when seeking into acceptable range

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This commit is contained in:
Paul B Mahol 2020-09-10 17:23:41 +02:00
parent 38be47017b
commit f4b84d89d1
1 changed files with 4 additions and 0 deletions
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4
libavformat/brstm.c
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@ -446,7 +446,11 @@ static int read_seek(AVFormatContext *s, int stream_index,
BRSTMDemuxContext *b = s->priv_data; BRSTMDemuxContext *b = s->priv_data;
int64_t ret = 0; int64_t ret = 0;
if (timestamp < 0)
timestamp = 0;
timestamp /= b->samples_per_block; timestamp /= b->samples_per_block;
if (timestamp >= b->block_count)
timestamp = b->block_count - 1;
ret = avio_seek(s->pb, b->data_start + timestamp * b->block_size * ret = avio_seek(s->pb, b->data_start + timestamp * b->block_size *
st->codecpar->channels, SEEK_SET); st->codecpar->channels, SEEK_SET);
if (ret < 0) if (ret < 0)