[mythtv-users] Jumpy playback with PVR-250?

stan stanb at panix.com
Fri Jan 16 12:36:11 EST 2004

On Fri, Jan 16, 2004 at 11:40:18AM -0500, Scott Pouliot wrote:
> Not sure what the problem could be here, but I setup my Myth box probably 2
> weeks ago....and everything has been fine thus far.  Now today, while I'm
> watching either recordings or Live TV.....it starts skipping really badly
> every 2 or 3 minutes.  The video and audio both start going REAAAAALLLLY
> slow almost like every other frame is being played with a pause in between.
> Very odd...
> I know the PVR-250 doesn't have a decoder for playback, but no recording is
> going on in the background at this point in time (other than the standard
> live TV buffering).  I've got my Live TV Recording profile set to MPEG2-PS
> with a bit rate of 2200 (max 4400)...audio set to 48.  Pretty low compared
> to the defaults (I think?)
> My hardware:
> Dell Dimension 4100 - PIII 933 w/ 384MB RAM
> 20GB Boot Drive
> 160GB Video Drive
> nVidia 32MB Video card (No TV-OUT)
> Hauppauge PVR-250 OEM ($88 one from eBay)
> If I copy the output files from recorded shows and view them on my Windows
> XP box....everything is fine.  So it almost sounds like a CPU issue?  Since
> I'm a Windows guy at heart (but trying to convert) I'm not up on too much
> task troubleshooting in Linux yet....
Start off by running top on a console while playing back. Look at CPU

This will give you an idae where you are on that.

A freind just puilt a PIII 833MHZ machine, and it won't play back with
jerkiness, and it's naxed out on CPU usage, at that time.

"They that would give up essential liberty for temporary safety deserve
neither liberty nor safety."
						-- Benjamin Franklin

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