Ok, I've forwarded this upstream: http://bugzilla.gnome.org/show_bug.cgi?id=340258 I can't reproduce this here but it seems that there is really something wrong for you.
Could you also try playing with gst-launch-0.10 filesrc location="/path/to/file" ! decodebin ! fakesink ** Bug watch added: GNOME Bug Tracker #340258 http://bugzilla.gnome.org/show_bug.cgi?id=340258 ** Also affects: gstreamer (upstream) via http://bugzilla.gnome.org/show_bug.cgi?id=340258 Severity: Unknown Priority: Unknown Status: Unknown -- gstreamer0.10 refuses to play certain valid MP3s (not all, but some) https://launchpad.net/bugs/42247 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs