mirror of https://git.ffmpeg.org/ffmpeg.git
mpegts: cache information to speed up seeking.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -1778,11 +1778,14 @@ static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index,
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if(ret < 0)
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return AV_NOPTS_VALUE;
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av_free_packet(&pkt);
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if(pkt.stream_index == stream_index && pkt.dts != AV_NOPTS_VALUE){
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av_assert0(pkt.pos >= 0);
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if(pkt.dts != AV_NOPTS_VALUE && pkt.pos >= 0){
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ff_reduce_index(s, pkt.stream_index);
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av_add_index_entry(s->streams[pkt.stream_index], pkt.pos, pkt.dts, 0, 0, AVINDEX_KEYFRAME /* FIXME keyframe? */);
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if(pkt.stream_index == stream_index){
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*ppos= pkt.pos;
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return pkt.dts;
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}
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}
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pos = pkt.pos;
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}
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