[mythtv-users] Epia, MythTV, and a pile of confusion

Jarod Wilson jcw at wilsonet.com
Fri Dec 3 05:37:29 UTC 2004

On Thursday 02 December 2004 19:14, Joe Votour wrote:
> Jarod,
> Are you seeing any problems with pre-buffering pauses
> on the Epia with XvMC enabled?  I'm finding that I get
> them on average every half hour (but sometimes it can
> happen more often than that), and when I'm in the
> program guide (while watching LiveTV), almost every
> time I press a button on my remote, I get one (and the
> sound glitches).  This is with mythfrontend set SUID
> (without that, it would glitch every five minutes).

I'm seeing an occasional prebuffering pause when in the program guide moving 
around to new program data. It only happens when loading up new program info, 
because if you go back to already accessed data, there's no pause. That's the 
only time I've seen them, but I don't watch much live TV. However, of the 
stuff I have watched live and some longer recordings, I still don't recall 
seeing that happen.

> Turning off XvMC support makes this go away, but then
> the picture isn't as smooth (and really hits the CPU,
> of course).  I wonder if it's related to lirc 0.7.0
> and the irman, or if it's just an XvMC problem,
> although it does happen even when I disable lirc.
> Any special settings you have that you can share?

One difference could be that I'm using the non-3D driver with AGP DMA access 
enabled. Though I don't recall problems before switching AGP DMA access on... 
That's really about it, everything else is pretty standard, I think.

> Are you using ALSA, or OSS?

I'm using OSS emulation atop ALSA.

Jarod C. Wilson, RHCE
jcw at wilsonet.com

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