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Linshizhi
ffmpeg.wasm-core
Commits
81071eea
Commit
81071eea
authored
Sep 11, 2015
by
Agatha Hu
Committed by
Timo Rothenpieler
Sep 11, 2015
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avcodec/nvenc: change flag of cuCtxCreate to avoid CPU spins
Signed-off-by:
Timo Rothenpieler
<
timo@rothenpieler.org
>
parent
f58e011a
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nvenc.c
libavcodec/nvenc.c
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libavcodec/nvenc.c
View file @
81071eea
...
...
@@ -580,7 +580,7 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
}
ctx
->
cu_context
=
NULL
;
cu_res
=
dl_fn
->
cu_ctx_create
(
&
ctx
->
cu_context
,
0
,
dl_fn
->
nvenc_devices
[
ctx
->
gpu
]);
cu_res
=
dl_fn
->
cu_ctx_create
(
&
ctx
->
cu_context
,
4
,
dl_fn
->
nvenc_devices
[
ctx
->
gpu
]);
// CU_CTX_SCHED_BLOCKING_SYNC=4, avoid CPU spins
if
(
cu_res
!=
CUDA_SUCCESS
)
{
av_log
(
avctx
,
AV_LOG_FATAL
,
"Failed creating CUDA context for NVENC: 0x%x
\n
"
,
(
int
)
cu_res
);
...
...
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