[MPlayer-dev-eng] DIRECT RENDERING WITH ANY CARD

D Richard Felker III dalias at aerifal.cx
Mon Feb 18 01:18:43 CET 2002


how much work left til this works with any (or at least most) codecs?
and, does it work with mga_vid, fbdev, dga, etc, or just with vidix?

rich


On Sun, Feb 17, 2002 at 07:00:53PM +0300, Nick Kurshev wrote:
> Hello!
> 
> I've implemented direct rendering for any HW (even for matrox g400).
> In this connexion, could someone (who has not power CPU) publish
> benchmarks which compare performance with and without direct rendering?
> (I'm very interested with benchmarks on k6-0-3, Cel1, P2, i.e. cpus
> which don't have L2 cache (have no mtrr))
> 
> Direct rendering is enabled in case when movie width can be multiple on
> pitches of your hardware.
> For example when movie width is 360 then such movie can be directly rendered
> into video memory upto HW pitch = 32:
> 360*2 = 720 = 2D0h = 1011010000b
> and so on.
> 
> Using of direct rendering controls -vaa_dr and -vaa_nodr keys!
> 
> Currently it works only with divxds codecs but in future it wuld be posiible to use
> that with any other codecs.
> 
> Example:
> mplayer -vo xvidix (vesa:vidix) -vc divxds -fs -zoom -vaa_dr -benchmark -frames 1000 movie.avi
> mplayer -vo xvidix (vesa:vidix) -vc divxds -fs -zoom -vaa_nodr -benchmark -frames 1000 movie.avi
> 
> Best regards! Nick
> 





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