[mythtv-users] Poor performance playback on only 1 channel

[James Crow]

On Fri, 2009-02-13 at 08:56 -0600, Tim Shannon wrote:
> I've recently switched to HD, and have everything up and running, and
> my picture is clear and smooth on almost every channel, except ABC.
> 
> ABC plays back jerky and stutters constantly.  All other channels
> playback smooth.  I'm connected to a comcast cable box through
> firewire.  The strange part is, I can play back the ABC records fine
> on XINE, with no stuttering.
> 
> I'm really not sure where to start troubleshooting this.  What's
> different between mythtv's playback, and xine's default install setup?
> I never use xine, so I haven't changed any of the default mythbuntu
> install settings.
> 
> 

Try setting the video sync to OpenGL. I had a similar issue with
ClearQAM recordings when I went HD. The other major broadcast stations
played fine, except ABC.