I have installed Ubuntu 15.04 a few days ago after some years of Archlinux experience.
I have a few MKV video files and for some reason I am not able to switch the audio language in the menu bar at the top of the screen (it's called global menu, isn't it?). However switching the language via right click in the video screen is possible! I have the same problem with the selection of the subtitles. In the menu bar at the top, the menu item is disabled and no different subtitles are listed at the menu. In the right click menu of the video the selection of the subtitle is possible.
Is this a bug or is something wrong with my installation? Can anybody suggest a workaround for this problem?
I have already searched for a bug report, but there seems nothing about it at Launchpad...
Installed VLC version: 2.2.0-1
EDIT: Here is a screenshot of my VLC -> Audio Menu. As you can see, the "Audio Track" menu is completely disabled. Despite the fact that this video has multiple audio tracks available!
EDIT2: I just discovered that the totem video player has a similar problem for me. If I open the video file with totem the Language Menu Item is enabled, but there are no languages shown in the menu! (See 2nd screenshoot below).
VLC Screenshot Totem/Video Screenshot