Yes, I am also unable to play videos.
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Totem unable to play VirtualBox webm files
Status in gstreamer1.0 package in Ubuntu:
Totem is unable to play VirtualBox .webm Video Capture files.
I have gstreamer-plugins-good, bad and ugly installed.
VLC plays these files just fine.
DistroRelease: Ubuntu 16.04
Package: libgstreamer1.0-0 1.8.0-1
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
Date: Mon May 9 13:46:50 2016
InstallationDate: Installed on 2016-05-09 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
UpgradeStatus: No upgrade log present (probably fresh install)
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