BR media will be different - there you need to add a keys DB.
Now I got it. And the former Answer should have said:
"There are no specific DVD-Key, only for Bluerays, because those are different. "
If you are able to play DVDs you are also able to see the menu at the DVD.
Quite difficult, on some Disk's the playback stalls at copyright instead of playing the copyright-message and goto menu. On my Linux-PC I can press the menu-key and everything's fine.