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Linshizhi
ffmpeg.wasm-core
Commits
5d705368
Commit
5d705368
authored
Sep 14, 2011
by
Joakim Plate
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[yop] Check return value of avio_seek and avoid modifying state if it fails
parent
7bcd8129
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5 additions
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3 deletions
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-3
yop.c
libavformat/yop.c
+5
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libavformat/yop.c
View file @
5d705368
...
...
@@ -183,8 +183,6 @@ static int yop_read_seek(AVFormatContext *s, int stream_index,
int64_t
frame_pos
,
pos_min
,
pos_max
;
int
frame_count
;
av_free_packet
(
&
yop
->
video_packet
);
if
(
!
stream_index
)
return
-
1
;
...
...
@@ -195,9 +193,13 @@ static int yop_read_seek(AVFormatContext *s, int stream_index,
timestamp
=
FFMAX
(
0
,
FFMIN
(
frame_count
,
timestamp
));
frame_pos
=
timestamp
*
yop
->
frame_size
+
pos_min
;
if
(
avio_seek
(
s
->
pb
,
frame_pos
,
SEEK_SET
)
<
0
)
return
-
1
;
av_free_packet
(
&
yop
->
video_packet
);
yop
->
odd_frame
=
timestamp
&
1
;
avio_seek
(
s
->
pb
,
frame_pos
,
SEEK_SET
);
return
0
;
}
...
...
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