Thanks for the quick reply. So, this was indeed a bug in the GStreamer backend which got fixed. Regarding the codec installation, that issue is discussed here:
https://bugzilla.xfce.org/show_bug.cgi?id=14529 ** Bug watch added: Xfce Bugzilla #14529 https://bugzilla.xfce.org/show_bug.cgi?id=14529 ** Changed in: parole (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1778153 Title: Parole can't find the correct proportion for many videos To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/parole/+bug/1778153/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs