[mythtv-users] analog capture using hybrid card

Paul Andreassen paulx at andreassen.com.au
Sun Apr 9 12:18:35 UTC 2006


On Sun, 9 Apr 2006 10:16 am, Paul Wilson wrote:
> Has anyone got good results using V4L drivers and MythTV?
> ie I'm getting some bad "tearing" using these drivers with my Tuner
> card. (DNTV-Live Pro)
> Note tvtime is alot better but I've got no idea if it uses the same
> capture method as mythtv.
>
> I also see when I goto the video "phone" screen I see my capture too but
> no tearing.
> Any advice/help would be appreciated.
>
> I tried the V4L mailing list but no response.

Sound like a video output problem more than a video input problem.  Try using 
a different sync method or even deinterlacing.

If it is a video input problem, its likely due to high CPU load during 
capture.  Or interrupts conflicts.  Or DMA problems on the northbridge or 
hard drive.

Your much better off buying a PVR150.  They have better quality captures and 
very low CPU overhead.

Paul
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