The VideoLAN Forums

Try with QuickTime and perian : http://www.perian.org. It plays mkv very well. The only thing which is buggy is AC3 thru optical out.

I don't have the problem with the second monitor (if I select it in the menus, it displays well in fullscreen mode on that dsplay) but the other screen doesn't go black. I tried with various build, starting with 0.9.0 svn and finishing with the one just above, but only the 0.8.6c works. My configura...