Originally Posted by MadCatX
You might be experiencing a different issue (IIRC mine wasn't affected by compositing), but have you tried these?
- Use VDPAU in mplayer, but use "-vc ffh264" instead of "-vc ffh246vdpau"?
Btw, if you do this, then you aren't really using VDPAU. You're decoding on the CPU.