I had the same problem. To reiterate the solution: System --> Preferences --> Sound Music and Movies: Auto-Detect (previously) Music and Movies: ALSA (New value that works)
My history with this issue: They all had worked correctly in Edgy. All 3 PCs with the problem had upgraded to Hardy. Flash videos ran correctly. The problem videos worked correctly with VLC. Therefore it's gStreamer-specific -- totem slows down when viewing https://bugs.launchpad.net/bugs/223784 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs