[libav-api] H.264 decoder using libavcodec

Luca Barbato lu_zero at gentoo.org
Sat Aug 9 20:45:01 CEST 2014


On 09/08/14 14:05, Prashanth Bhat wrote:
> Hi Luca, 
> 
> I used release 10.3 of libav on the Haswell CPU. I see the high load average of 20+ for just 4 decode channels of 1080p. 
> Any idea why the load average is so high, and how to bring it down?

Some questions:
- which operating system are you using?
- how do you test it? If you are using avconv the command line to test
it would be nice, even better if you can give me access to a sample.
- are you using the vaapi hwaccel? It is the only backend supporting
Hanswell in release 10 (and 11).

lu



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