[MPlayer-users] Playing QHD (3840x2160) material with mplayer

Dean S. Messing deanm at sharplabs.com
Thu Apr 17 00:36:54 CEST 2008

On 12 Apr 2008 Reimar Döffinger wrote:
> On Fri, Apr 11, 2008 at 01:54:04PM -0700, Dean S. Messing wrote:
> > Can mplayer do it?  Currently, the system easily plays full-hd
> > (1920x1080) uncompressed RGB at 60fps using the x11 driver.  The two
> > CPUs sit at about 40%.  Interestingly, using the xv driver, the usage
> > is quite a bit higher.
> That is no surprise, xv (at least when using the default port) does not
> support RGB (though I am surprised it works at all, my nVidia card can
> only do at most a resolution of 2046 x 2046 with xv).
> I would strongly suggest using YV12 as video format, this halves the
> vide bitrate (though you also halve the resolution of the colour
> information of the video - given how the human eye works that should not
> really be relevant).
> If you have to stay with RGB as source, try -vo gl -dr

Thank, Reimar, for this new suggestion.
I shall try it later today.

(Any reason why I should not use gl2?)


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