Performance Tuning H264 [Was: Re: [MPlayer-users] howto play apples quicktime movie trailers (720p)]

Markus Schulz msc at tastatur-junkie.de
Mon Jan 9 23:07:35 CET 2006


Am Montag, 9. Januar 2006 21:16 schrieb Markus Schulz:
> msc at mach:~$ mplayer -osdlevel 0 -nortc -vo gl:yuv=1 -dr
> x-men_3-pre_teaser_h720p.mov  -cache 32000 -benchmark -nosound
>
> runs perfect. similar speed to -vo xv. only brightness is to high and
> not changeable. But this will be better and changeable with
> yuv=2|3|4.

interesting note:
by using -vo gl:yuv=[1-4] the graphic cards seems to be the bottleneck 
cause cpu load goes only up to 80% at lower rate (1.8GHZ from 2.2GHZ 
possible with ondemand governor) in "-benchmark -nosound" mode (render 
pictures as fast as possible mode). With -vo xv the cpu load is 100% 
all the time in benchmark mode.

anyone with similar cpu (A64-3500+) has a better nvidia graphic card 
(>FX5900U) and can test with some 720p/1080p movies and -vo gl:yuv=1-4 
modes? 

-- 
Markus Schulz




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