[Ffmpeg-devel] [REQUEST] MMX/MMX2 and SSE optimizations for H.264 decoding

matthieu castet castet.matthieu
Fri Sep 16 21:04:42 CEST 2005


Diego Biurrun wrote:
> On Fri, Sep 16, 2005 at 02:26:06PM +0200, Martin Boehme wrote:
> 
> 
> A typical MPlayer status line while playing the movie is
> 
> A: 108.9 V:  92.0 A-V: 16.960 ct:  3.132 766/766 121% 48%  8.7% 734 0
> 
> top shows 2-8% idle processor and the movie plays in slow-motion with
> massive audio and video desync.  With QuickTime I have 10-20% idle
> processor and absolutely fluent motion.
> 
may be it could be interresting to use gprof (or other profilter) to see 
where it is slow on PPC, and compare with result from x86.





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