[mythtv-users] First setup, using PVR250, but, is jumpy...

David myth at dgreaves.com
Sat Jul 3 04:57:04 EDT 2004


Kelly wrote:

>Hi all,
>
>I've just gotten Myth working on a box I found not being used. It is a 
>P3-600...256M ram. I'm running Gentoo linux with 2.6.5 kernel.
>
>I have a PVR 250 as my capture card...and at this point am just sending the 
>video to a monitor...will attempt to send to the TV once I get the last bugs 
>ironed out. 
>
>It appears my functionality is basically working...but, from what I'd read 
>with the processor I have, and the PVR 250 I should be able to get the 
>480x480 size pretty easy. However, I look and I'm using about 92% cpu when 
>watching live tv. I have to drop it down to near 320x480 before it stops 
>being choppy (picture and sound 'hiccuping')...I'm guessing this is where it 
>is dropping frames?
>
>Can someone give me some clues what to look for? I've checked and pretty much 
>nothing else running in the background I don't need. I'm using KDE 3.2. Are 
>there some settings or bit rates on parts of the setup I need to change or 
>review? 
>
>I've read other had pretty good luck at decent resolutions, with a P3 600 
>processor...and I'm so noob, I just don't quite know where to look. Happy so 
>far of just getting it working at all....
>
>Thanks in advance for any help/suggestions/links...
>  
>
read the recent posts 'Live TV Pauses'
Should give you things to try.

Sounds like you need XV
Maybe you're using ALSA

David


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