I think this is a manifestation of this bug https://bugs.launchpad.net/unity/+bug/993397 OP here doesn't specify which DE he is using but it seems that it only affects Unity (mplayer, mplayer2 and vdpau works in gnome-shell)
Please go over there and add an "affect me too" if you haven't done so already. Thanks.
I think this is a manifestation of this bug https:/ /bugs.launchpad .net/unity/ +bug/993397 OP here doesn't specify which DE he is using but it seems that it only affects Unity (mplayer, mplayer2 and vdpau works in gnome-shell)
Please go over there and add an "affect me too" if you haven't done so already. Thanks.