[mythtv-users] Recordings playback flashes scenes slightly forward/backward

[Brad DerManouelian]

On Oct 11, 2006, at 6:32 PM, Michael Knoll wrote:

> I recently upgraded to 0.20 on my Gentoo machine with IVTV 0.7.0 on a
> PVR350. I am using a GeForce 4 through DVI to playback.  As I am
> watching a recording, it will flash in random locations in the video,
> but always in the same spot.  I paused and rewound frame by frame, the
> flashes are frames from the same recording a little ahead or behind of
> the actual timeline.
>
> Does anyone know what causes this and/or how to fix it?  I can supply
> more information, I'm just not sure what's relevant right now.
>
> Thanks,
> Mike

I had the same exact problem on my system with a PVR-350. It seemed  
to crop up when I added my HD-5500 card but I was going through a lot  
of changes at the time (updated kernel, ivtv and probably other  
things I'm forgetting). Eventually it went away. I'm not sure what  
fixed it since I keep as up to date as possible with ivtv and my  
kernel. I've also gone from an AMD64 3200+ to a dual core AMD64 4400+  
right around the time of my .20 upgrade. I can definitely say it's  
not your video card since it's in the recording itself and not your  
distro - I am using FC4. I'm at ivtv 0.7.1 and 2.6.17-1.2142_FC4smp.

Someone suggested changing my PCI latency settings, but it didn't  
seem possible to change on my motherboard (my system took the  
commands but nothing ever changed from what I could tell). Maybe give  
that a shot? Wish I could be of more help.