An update on my last comment:
Plain overlay actually works fine with MPlayer, and then there's no tearing :). Seems like only Totem has troubles with the plain overlay, probably b/c of different window/fullscreen handling.
An update on my last comment:
Plain overlay actually works fine with MPlayer, and then there's no tearing :). Seems like only Totem has troubles with the plain overlay, probably b/c of different window/fullscreen handling.