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Linshizhi
ffmpeg.wasm-core
Commits
db1347f6
Commit
db1347f6
authored
Oct 21, 2011
by
Michael Niedermayer
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mpegts: cache information to speed up seeking.
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
27f7589a
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4 deletions
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mpegts.c
libavformat/mpegts.c
+7
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libavformat/mpegts.c
View file @
db1347f6
...
...
@@ -1778,11 +1778,14 @@ 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
);
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
;
}
...
...
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