Thank you for your bug. What happens when you play them with "gst-
launch-0.10 playbin uri=file:///path/to/file"?
** Changed in: totem (Ubuntu)
Assignee: (unassigned) => Ubuntu Desktop Bugs
Status: Unconfirmed => Needs Info
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Edgy: no audio for mp4 files
https://launchpad.net/bugs/71689