Hi and welcome to the forum,
Not using it for windows but Handbrake (0.94) is available for Macs:
http://handbrake.fr/
It should be able to use mkv as source; if not start over with the BD.
Did
__________________
Having a problem with AutoGK? Read & use the
FAQ & MORE FAQ first
Want to exchange on AutoGK? try
doom10.org
In reserve (inactive) for an undefined period of time.