On Thursday 05 January 2006 1:21, Jerry Rubinow wrote: > When using XvMC to play back video, CPU usage is low (30% for HD, 10% > for SD), but the video plays back slower than realtime. I'm using an > Nvidia 5200 card, with driver version 7667 (although I've tried every > version up to the current 8XXX). > > Is there anything I should check? Anything obviously wrong from the > following details? Or is this the XvMC slowdown I've read about? > What are my options for fixing this? > > If I use libmpeg2, SD plays back fine (~30% CPU), but HD maxes out > the CPU. I'm using current SVN myth as of a couple of days ago. > /etc/X11/XvMCConfig points to libXvMCNVIDIA_dynamic.so.1. My GUI is > 1280x720. I'm not using any filters, and I have Enable OpenGL > vertical sync for timing checked.
I could be way off base on this, but something in my memory is nagging me... something about maybe Nvidia's XvMC not supporting/performing well at certain resolutions? Have you tried changing your horizontal resolution to something smaller, like 1024? HTH, JAC
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