[MPlayer-cygwin] Benchmark supported overlay formats and usefastest one

[Sascha Sommer]

> Hi!
>
> I have found by chance, that mplayer requires nearly twice
> less CPU power with -dr -vf yuy2 parameters on my
> Celeron 800 + ATI Rage IIC AGP card (vo directx).  Investigating
> log I find out that mplayer choose BGR32 by default, although
> it is not optimal from best perfomance point of view.
>

Fixed in current cvs. However choosing yvu9 or yuy2 when they are faster
than yv12 would really require the benchmark function you proposed.
I don't know how difficult it would be to implement such thing.

Sascha