Do you have any example you could point? Either attach a small file to the bug page or give an URI where to download one? Do you use totem- gstreamer or totem-xine? Can you play that video with totem (you might lack some codec to play it)?
-- Some media files are not recognised as such (ogm, mkv, mka) https://launchpad.net/bugs/81122 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs