Actually I just realised thet it might have nothing to do with totem, it is a general display problem. When playing a game in fullscreen mode and trying to change sound level the same flash can be seen.
** Also affects: xorg-server Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1246277 Title: Totem interface bug in full screen mode To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1246277/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs