In H264 EnCoder example, CPU is not high, why encoder FPS is very little? Only 7-10.

In H264 EnCoder example, CPU is not high, why encoder FPS is very little? Only 7-10.

冰 唐.
Fri, 10/11/2013 - 03:50

I trye run the example umc_vide o_enc_con,  and  get:

D:\Program Files (x86)\Intel\Composer XE 2013 SP1.083\ipp\examples\ipp-samples.8

.0.0.005\__cmake\audio-video-codecs.intel64.vs2010.static\__bin\release>umc_vide
o_enc_con -c h264 -i d:\456.yuv -o d:\456.h264 -r 1280 960 -f yuv420

Intel(R) IPP:
ippCore 8.0.0 (r40040) May 22 2013
ippSP SSE4.1/4.2 (y8)+ 8.0.0 (r40040) May 22 2013
ippIP SSE4.1/4.2 (y8)+ 8.0.0 (r40040) May 22 2013
ippVC SSE4.1/4.2 (y8)+ 8.0.0 (r40040) May 22 2013
ippCV SSE4.1/4.2 (y8)+ 8.0.0 (r40040) May 22 2013
ippCC SSE4.1/4.2 (y8)+ 8.0.0 (r40040) May 22 2013

Input file name: d:\456.yuv
Output file name: d:\456.h264

Input data: YUV420 (8,8,8) PROG. 1280x960 (1:1)
Output stream: H264 YUV420 (8,8,8) PROG. 1280x960 (1:1) 25.00fps 2000000bps P66
L32

Progress: 11.44%; Frames: 405; FPS: 9.00

My  machine information：

Cpu is intel core i3-3110M 2.4Ghz.   usage is 25%.

memory 6G,usage is 42%.

Please help me.

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Ying H. (Intel)
Thu, 10/17/2013 - 01:54

Hi

It seems the multi-thread doesn't worked on your machine.  You may need to check the parameter setting about slice. and if OpenMP is supported.

and I  did quick search in the forum to see the probelm

http://software.intel.com/en-us/forums/topic/401163

For your reference.

Best Regards,

Ying

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