[MPlayer-dev-eng] [PATCH]Prefer vdpau over xv if available

Dan Oscarsson Dan.Oscarsson at tietoenator.com
Wed Apr 1 08:24:40 CEST 2009


On 2009-03-31 at 22:09 +0000 Carl Eugen Hoyos wrote:
> > While I'd have to investigate more, VDPAU also seems to be a lot (like 4x)
> > slower than xv when the "blit" engine is used
> 
> I was finally able to test:
> For me, blit is always faster than overlay, both lie between gl and xv (leed
> depending on video size and decoding time). This is especially evident when
> using deint=4.

How do you identify faster?
Without my patches overlay will force mplayer to spend a lot of time
waiting for vsyncs doing nothing. As blitting does not wait for vsyncs
it can appear to be faster.




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