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Linshizhi
ffmpeg.wasm-core
Commits
a6c4c0f2
Commit
a6c4c0f2
authored
Dec 13, 2011
by
Michael Niedermayer
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mp4enc: Avoid storing sizes in trun when they all match.
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
d9a41695
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2 changed files
with
4 additions
and
2 deletions
+4
-2
movenc.c
libavformat/movenc.c
+3
-2
movenc.h
libavformat/movenc.h
+1
-0
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libavformat/movenc.c
View file @
a6c4c0f2
...
...
@@ -1447,12 +1447,12 @@ static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
int
tr_flags
=
0
;
int
i
;
tr_flags
|=
0x200
;
//FIXME
for
(
i
=
track
->
cluster_write_index
;
i
<
track
->
entry
;
i
++
){
int64_t
duration
=
i
+
1
==
track
->
entry
?
track
->
trackDuration
-
track
->
cluster
[
i
].
dts
+
track
->
cluster
[
0
].
dts
:
/* readjusting */
track
->
cluster
[
i
+
1
].
dts
-
track
->
cluster
[
i
].
dts
;
if
(
duration
!=
1
)
tr_flags
|=
0x100
;
if
(
track
->
trex_size
!=
track
->
cluster
[
i
].
size
)
tr_flags
|=
0x200
;
if
(
track
->
trex_flags
!=
((
track
->
cluster
[
i
].
flags
&
MOV_SYNC_SAMPLE
)
?
0x02000000
:
0x01010000
))
tr_flags
|=
0x400
;
if
(
track
->
cluster
[
i
].
cts
)
tr_flags
|=
0x800
;
...
...
@@ -1913,7 +1913,8 @@ static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
avio_wb32
(
pb
,
track
->
trackID
);
avio_wb32
(
pb
,
1
);
// stsd_id
avio_wb32
(
pb
,
1
);
// duration
avio_wb32
(
pb
,
1
/*Size*/
);
track
->
trex_size
=
track
->
entry
?
track
->
cluster
[
FFMIN
(
1
,
track
->
entry
-
1
)].
size
:
1
;
avio_wb32
(
pb
,
track
->
trex_size
);
track
->
trex_flags
=
st
->
codec
->
codec_type
!=
AVMEDIA_TYPE_VIDEO
?
0x02000000
:
0x01010000
;
avio_wb32
(
pb
,
track
->
trex_flags
);
return
updateSize
(
pb
,
pos
);
...
...
libavformat/movenc.h
View file @
a6c4c0f2
...
...
@@ -94,6 +94,7 @@ typedef struct MOVIndex {
uint32_t
tref_tag
;
int
tref_id
;
///< trackID of the referenced track
uint32_t
trex_flags
;
int
trex_size
;
int
hint_track
;
///< the track that hints this track, -1 if no hint track is set
int
src_track
;
///< the track that this hint track describes
...
...
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