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Linshizhi
ffmpeg.wasm-core
Commits
a5c63493
Commit
a5c63493
authored
Jun 09, 2012
by
Michael Niedermayer
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swr: skip memset(0) in rematrix when the array is known to be already 0
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
75d900d5
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rematrix.c
libswresample/rematrix.c
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libswresample/rematrix.c
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a5c63493
...
...
@@ -362,6 +362,7 @@ int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mus
for
(
out_i
=
0
;
out_i
<
out
->
ch_count
;
out_i
++
){
switch
(
s
->
matrix_ch
[
out_i
][
0
]){
case
0
:
if
(
mustcopy
)
memset
(
out
->
ch
[
out_i
],
0
,
len
*
av_get_bytes_per_sample
(
s
->
int_sample_fmt
));
break
;
case
1
:
...
...
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