[mythtv-users] Stuttering Video in Mythtv..but not mplayer?

[Dan Hopkins]

I have found that my HD TV streams have started to stutter when running 
in mythv 20.1.

however If I kill the Mythtvfrontend, and play it using mplayer, it 
plays perfectly..

Any Thoughts on what could be causing this?

note: I am using VGA out, and running FC 6

Dan