[mythtv-users] choppy video playback

Darren fender_bender at aandr.com.au
Sat Dec 16 11:39:44 UTC 2006

It sounds to me your installation isn't using the AGP. Check 
your /etc/X11/xorg.conf file for ( Driver "nvidia" ) in the device section.
If the Nvidia module is installed try using some of the options listed in the 
Nvidia README.txt.

> I know this has been covered a ton before, but after searching the archive,
> I still came up blank. So here goes. I built a system with the following
> specs;
> P-III 1.0 GHz Coppermine
> 256 MB PC-133 RAM
> PC Chips M779MR MicroATX MoBo
> Nvidia GeForce 4400
> Hauppauge PVR-150
> Seagate 160 GB Hard Drive
> Sony DVD Rom
> Everything but the Mother Board and Processor are new.  After it is all
> setup, When I try to play back MPEG video with Xine, it looks like crap. It
> drops frames all over the place. It does not matter is it is from a disk in
> the DVD drive, or if it is an ISO on the hard drive. Top tells me that Xine
> is using 85-90% CPU.  I have a similar system and it only uses 15-25% CPU
> when decoding MPEG video. So I am looking for help or places to start
> trouble shooting. This system should be more than adequate.
> Here is what I have already done.
> DMA for both drive is on.
> Xine is launched with "xine -V xx"
> using the latest Nvidia drivers
> given root privileges to xine
> run "xine-check" and no problems were detected.
> using 80 conductor IDE cable
> Any help would be appreciated. -Mat
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