[MPlayer-users] maximum resolution: how to extend ?

[Giorgio]

>> gl2 does not "support" grayscale as input, that's just by accident though.
>
> Fixed, gl2 can now do grayscale, and as a side-effect both can do
> contrast/brightness adjustments and different scaling algorithms etc for it.
> They will do a pointless complete YUV->RGB conversion on the GPU though,
> I doubt that really matters though.

Thank you Reimar :)