[mythtv-users] P4 HyperThreading SMP Kernel and HDTV playback

Joe Barnhart joebarnhart at yahoo.com
Thu May 5 15:11:10 UTC 2005


--- Xiaotian Sun <sun.xiaotian at gmail.com> wrote:

> I have a P4 3.0E GHz CPU in the Pundit-R.  It's running the latest
> 2.6.11 smp kernel from FC3.  When I try to play HDTV, the CPU usage
> for mythfrontend is >97%.  However the total CPU usage is only around
> 75%.  The playback quanlity is really bad, even worse than my other
> computer, a P4 2.4 GHz running 2.6.10 non-smp FC3 kernel.

Also make sure you're using accelerated video drivers.  The situation
you describe could be caused by using a non-optimized video driver.


		
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