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author | Michael Niedermayer <michaelni@gmx.at> | 2011-10-21 21:11:28 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-21 21:13:20 +0200 |
commit | db1347f66ed009ec5a80749d853e1a5768225d26 (patch) | |
tree | ef14f36c966a996e2a7386987500657008aec9df /libavformat/mpegts.c | |
parent | 27f7589ab1ad0f6d2694d713e176dfa234662e60 (diff) | |
download | ffmpeg-db1347f66ed009ec5a80749d853e1a5768225d26.tar.gz |
mpegts: cache information to speed up seeking.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mpegts.c')
-rw-r--r-- | libavformat/mpegts.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 36443cb2b9..f014d7cace 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -1778,10 +1778,13 @@ static int64_t mpegts_get_dts(AVFormatContext *s, int stream_index, if(ret < 0) return AV_NOPTS_VALUE; av_free_packet(&pkt); - if(pkt.stream_index == stream_index && pkt.dts != AV_NOPTS_VALUE){ - av_assert0(pkt.pos >= 0); - *ppos= pkt.pos; - return pkt.dts; + if(pkt.dts != AV_NOPTS_VALUE && pkt.pos >= 0){ + ff_reduce_index(s, pkt.stream_index); + av_add_index_entry(s->streams[pkt.stream_index], pkt.pos, pkt.dts, 0, 0, AVINDEX_KEYFRAME /* FIXME keyframe? */); + if(pkt.stream_index == stream_index){ + *ppos= pkt.pos; + return pkt.dts; + } } pos = pkt.pos; } |