[mythtv-users] HD, XvMC, and realtime

Brad Fuller bradallenfuller at yahoo.com
Fri May 5 11:56:37 EDT 2006


Gary Dezern wrote:
> > I'm going to mess around with this some more, flagging different thread
> > PID's as realtime (and also seeing what happens if I change the
> > scheduler to RR instead of FIFO) and see what happens with the
> > prebuffering pauses...
> >
>
> Okay, so changing the scheduler to round-robin instead of FIFO had no
> effect.  Neither did adding RT to the other FE thread(s)  or even
> giving X an rtprio.  I can't seem to figure out WHY I'm getting all
> the prebuffering pause messages.  Neither processor core is fully
> loaded, XvMC is being used, storage is local on a dedicated XFS
> formatted SATA drive.
>
> I suppose I need to figure out what the message means. ;)  Is it that
> the FE has data but is being held up on rendering it, or that it's
> waiting to render something, but doesn't have data yet.
>
> A promise:  If/when I figure out what the message means, and possible
> ways to troubleshoot it, I'll write up a wiki to help others as well.
Please. And, let's keep this thread going. I too have plenty of CPU
power, XvMC, blah blah... and I get lots of NVP pauses. Seems media
dependent.

brad


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