I get tear-free video playback with disabled metacity compositing and enabled EXAVSync in the xorg.conf file under Unity 2D and Gnome fallback. Disabling compositing alone doesn't solve the tearing problem, it only works with enabled EXAVSync.
I get tear-free video playback with disabled metacity compositing and enabled EXAVSync in the xorg.conf file under Unity 2D and Gnome fallback. Disabling compositing alone doesn't solve the tearing problem, it only works with enabled EXAVSync.