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Linshizhi
ffmpeg.wasm-core
Commits
638eec2a
Commit
638eec2a
authored
Aug 03, 2014
by
Nicolas George
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lavfi/avf_showspectrum: check RDFT context init.
Fix a segfault with large window size.
parent
7c10e32a
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avf_showspectrum.c
libavfilter/avf_showspectrum.c
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libavfilter/avf_showspectrum.c
View file @
638eec2a
...
@@ -177,6 +177,11 @@ static int config_output(AVFilterLink *outlink)
...
@@ -177,6 +177,11 @@ static int config_output(AVFilterLink *outlink)
av_rdft_end
(
s
->
rdft
);
av_rdft_end
(
s
->
rdft
);
s
->
rdft
=
av_rdft_init
(
rdft_bits
,
DFT_R2C
);
s
->
rdft
=
av_rdft_init
(
rdft_bits
,
DFT_R2C
);
if
(
!
s
->
rdft
)
{
av_log
(
ctx
,
AV_LOG_ERROR
,
"Unable to create RDFT context. "
"The window size might be too high.
\n
"
);
return
AVERROR
(
EINVAL
);
}
s
->
rdft_bits
=
rdft_bits
;
s
->
rdft_bits
=
rdft_bits
;
/* RDFT buffers: x2 for each (display) channel buffer.
/* RDFT buffers: x2 for each (display) channel buffer.
...
...
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