[mythtv-users] Choppy Video in mythfrontend, but not in xawtv

Cecil Watson cwatson at linkline.com
Sat Dec 11 21:14:14 UTC 2004


Hello,

Tom Williams wrote:

>Hi All,
>
> 
>
>I am new to MythTv, but I have setup a RH9 box the details are below.
>Here is what I am dealing with when I launch xawtv it seems fine the
>video is smooth no big issues there, when I fire up mythfrontend, and
>try to watch the video it seems very choppy, audio is out of sync...any
>ideas?
>
> 
>
>2GHz AMD CPU
>
>RH 9
>
>ATI Wonder VE - Comp. Input
>
>ATI Radeon AGP (installed with the ati drivers from their site)
>
>100Gig Drive,
>
>500Meg Ram
>
> 
>
>Any thoughts or things I can look at, when I look at 'top' the CPU is
>just getting nailed when mythfront is running I have even tried things
>like renice -20 on the front end but still no luck...any help would be
>greatly appreciated.
>
> 
>
>I am willing to upgrade the capture card if that is the issue but I need
>to know that before I spend the $$ money..
>
> 
>
>Thanks
>
>Tom
>
>
>  
>

For one, xawtv just plays the stream.  With Myth, the stream is encoded, 
written to disk and decoded.  Your system should be powerful enough to 
handle this...  The only thing I can think of is to ensure DMA is 
enabled on your hard drive.

Regards,

Cecil


More information about the mythtv-users mailing list