[MPlayer-dev-eng] Re: PATCH [0/12] CoreAVCDecoder support

Michael Niedermayer michaelni at gmx.at
Wed Feb 14 13:18:51 CET 2007


On Fri, Feb 09, 2007 at 05:32:48AM +0000, Alan Nisota wrote:
> > 
> > also do you have any current benchmarks for us ? i know i'm asking a lot, but 
> > providing specific samples where coreavc is faster will also be appreciated.
> > 
> Here are some benchmarks on Linux using a 2.8GHz P4 w/ HT enabled (adds a few 
> fps with the dual-cpu patch).  I don't have a dual-cpu system to benchmark 
> against, but others have confirmed that a dual-cpu system just about doubles 
> performance with this codec.  I also have a 1.8 GHz Pentium-M which tested 
> anywhere from the same to 20% slower on Windows compared to the P4.
> Using CoreAVC 1.2.0

yes but what about ffh264 on Pentium M ? knowing CoreAVC is slower is one thing
but it would be more interresting to also know how fast/slow ffh264 is on 
Pentium M

> mplayer -demuxer lavf -vo null -nosound -benchmark <stream>
> Need to add '-demuxer lavf' when using TS streams, as mplayer's demuxer doesn't 
> supply 'format' during codec initialization.
>                                         ffh264   coreAVC
> sample1 h264 1280x720x60fields/sec:      82       117    fields/sec
> sample2 mbaff 1440x1080x25frames/sec:    13        17    frames/sec
> sample3 avc1  1280x720x30frames/sec:     48        72    frames/sec
> sample4 paff  1440x1080x30frames/sec     N/A       45    frames/sec


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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