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VP8:Setting number of cores based on image size

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Review URL: http://webrtc-codereview.appspot.com/242010

git-svn-id: http://webrtc.googlecode.com/svn/trunk@806 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
mikhal@webrtc.org 2011-10-25 00:02:43 +00:00
parent 913644b92d
commit a412924c0e
1 changed files with 9 additions and 2 deletions
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11
src/modules/video_coding/codecs/vp8/main/source/vp8.cc
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@ -299,7 +299,13 @@ VP8Encoder::InitEncode(const VideoCodec* inst,
#endif
_cfg->g_lag_in_frames = 0; // 0- no frame lagging
_cfg->g_threads = numberOfCores;
// Determining number of threads based on the image size
if (_width * _height > 704 * 576 && numberOfCores > 1)
// 2 threads when larger than 4CIF
_cfg->g_threads = 2;
else
_cfg->g_threads = 1;
// rate control settings
_cfg->rc_dropframe_thresh = 0;
@ -782,7 +788,8 @@ VP8Decoder::InitDecode(const VideoCodec* inst,
#endif
vpx_codec_dec_cfg_t cfg;
cfg.threads = numberOfCores;
// Setting number of threads to a constant value (1)
cfg.threads = 1;
cfg.h = cfg.w = 0; // set after decode
vpx_codec_flags_t flags = 0;