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Linshizhi
ffmpeg.wasm-core
Commits
2dbc84b1
Commit
2dbc84b1
authored
Dec 12, 2012
by
Nicolas George
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lavf/matroskaenc: check for overflow in display width.
parent
7897919a
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-1
matroskaenc.c
libavformat/matroskaenc.c
+5
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libavformat/matroskaenc.c
View file @
2dbc84b1
...
...
@@ -637,7 +637,11 @@ static int mkv_write_tracks(AVFormatContext *s)
}
if
(
st
->
sample_aspect_ratio
.
num
)
{
int
d_width
=
av_rescale
(
codec
->
width
,
st
->
sample_aspect_ratio
.
num
,
st
->
sample_aspect_ratio
.
den
);
int64_t
d_width
=
av_rescale
(
codec
->
width
,
st
->
sample_aspect_ratio
.
num
,
st
->
sample_aspect_ratio
.
den
);
if
(
d_width
>
INT_MAX
)
{
av_log
(
s
,
AV_LOG_ERROR
,
"Overflow in display width
\n
"
);
return
AVERROR
(
EINVAL
);
}
put_ebml_uint
(
pb
,
MATROSKA_ID_VIDEODISPLAYWIDTH
,
d_width
);
put_ebml_uint
(
pb
,
MATROSKA_ID_VIDEODISPLAYHEIGHT
,
codec
->
height
);
}
...
...
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