[MPlayer-users] Very slow play with gl default

[Etienne Buira]

On Sat, Feb 27, 2010 at 06:21:05PM +0100, Reimar Döffinger wrote:
> Yes of course, there will be no OpenGL support through Xen.
> It's no surprise that OpenGL is slow in this case, I just
> needed to figure out how to detect this case to fall back
> to x11 then.

Testing directory /sys/hypervisor ? I can also think of
/sys/devices/xen(-backend)?. Not perfect for sure, but will be reliable
in most situations I think.