Jerky HD after upgrading to a 6950

Ryom

Ryom

[H]ard|Gawd
Joined
Oct 11, 2006
Messages
1,854
Hey guys, I recently upgraded from a Nvidia GTX 260 to an AMD 6950. I record HDTV over-the-air and I've noticed that the files that require deinterlacing are a big stutter fest. When I set deinterlacing to weave in CCC the problem goes away, but with bob, adaptive, motion adaptive, or vector adaptive I get nasty jitters and heaves in the playback. The video files themselves are fine as I recorded them BEFORE the upgrade and they played back fine with the older GFX card.

Is there some reason the higher quality deinterlacing settings are causing these issues? I have a new i5 2500K so the video is not starved for CPU power and the 6950 should be way more than powerful enough to handle this.

Anyone deal with this before?
 
check the clocks on the card and see if its raising them to the hardware accel clocks. also you could try forcing it to 3D clocks and see what happens. hardware accel clocks are 400/900 or 400/1100 something along those lines.
 
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