I was having the same problem on a new install of 9.04 x64, where Rhythmbox couldn't detect the length of most of my files. It started working for me after I installed the package gstreamer0.10-plugins-ugly.
-- Rhythmbox 0.12.0 time unknown, seekbar disabled https://bugs.launchpad.net/bugs/373534 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
