(In reply to comment #12)
> (In reply to comment #11)
> > FYI if you're using VDPAU, setting LD_LIBRARY_PATH and LIBGL_DRIVERS_PATH
> > will not work. The libvdpau library is hardcoded to search for
> > /usr/lib/vdpau/${driver}_vdpau.so.
> > 
> > There are two ways around this - rebuild libvdpau with this commit [1] and
> > set VDPAU_DRIVER_PATH or symlink/install the library.
> > 
> > [1]
> > http://cgit.freedesktop.org/~aplattner/libvdpau/commit/
> > ?id=ee9491a1216f47e10cbb551391a01c7fcde940d2
> 
> I'm using the vo=opengl option in mpv.

Yeah, but you are using the VDPAU hardware acceleration.