Comment 2 for bug 893356

I was able to fix this using this guide: http://ubuntuforums.org/showpost.php?p=2896078&postcount=2
Quote:
“It is a known bug and there is a workaround by changing the video output device on your video player.

* GStreamer (The default video player in Ubuntu, totem-gstreamer, and any video player that is based on the gstreamer backend)
o Open a terminal and type "gstreamer-properties". Press Enter.
o Click the Video tab.
o Under Default Video Plugin select "X Window System (No Xv)".
o Click Test to verify that video playback is working (you should be able to see the standard TV testing colour stripes).
o Click Close ”