[vlc-devel] [PATCH] Avcodec: limit the number of threads automatically selected to 12
Jean-Baptiste Kempf
jb at videolan.org
Thu Dec 29 03:08:01 CET 2011
It seems that over 16 doesn't behave well. Reduce it further for safety
---
modules/codec/avcodec/video.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/modules/codec/avcodec/video.c b/modules/codec/avcodec/video.c
index 95e64b5..dada16c 100644
--- a/modules/codec/avcodec/video.c
+++ b/modules/codec/avcodec/video.c
@@ -344,7 +344,11 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
#ifdef HAVE_AVCODEC_MT
int i_thread_count = var_InheritInteger( p_dec, "ffmpeg-threads" );
if( i_thread_count <= 0 )
+ {
i_thread_count = vlc_GetCPUCount();
+ if( i_thread_count >= 12 )
+ i_thread_count = 12;
+ }
msg_Dbg( p_dec, "allowing %d thread(s) for decoding", i_thread_count );
p_sys->p_context->thread_count = i_thread_count;
#endif
--
1.7.8.rc3
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