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Old 02-18-06, 06:06 PM   #1
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Default XvMC de-interlacing and CPU usage when playing HDTV

I tried XvMC on my new 6600GT (AGP) card.
I use mplayer 1.0pre7try2

What I find is when playing a recorded standard definition TV stream it maybe halves the CPU usage (from about 16 to about 8%). But normally I use a de-interlacing postprocessing filter and it cannot be used with xvmc. Is there another way to enable de-interlacing? I understand the 6600GT supports de-interlacing in its hardware, but how can this be enabled?

Even more important: when I play a HDTV stream, the CPU usage does not decrease but it INcreases to the point the system can no longer keep up. Normal HD playing via -vo xv and without filtering uses 60-90% CPU (depending on the content), but with xvmc it immediately clamps at 100% even for scenes that require only 60% with xv.
Do others see this? Is this normal?
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