I can't reproduce the problem as described on Feisty (often no sound output is produced when playing the specified file but there are no error dialogs). Resolve fixed?
Version Information: Ubuntu Feisty (Herd 5) totem 2.17.92-0ubuntu1 -- "Media file could not be played." when P key kept pressed https://launchpad.net/bugs/45728 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs