[mythtv-users] Color banding in mythfrontend preview window

[Justin Hornsby]

> > I just upgraded to the atrpms.net .19 package and have noticed that
> > the
> > colors in the mythfrontend preview window are distorted.  There are
> > diagonal
> > color bands appearing now that were not there in .18.1.  Here's a
> > picture of
> > what I'm talking about:
> > 
> > http://img137.imageshack.us/my.php?image=colorbands8df.png
> > 
> > The banding doesn't appear once I begin watching the recording
> > full-screen.
> > 
> > I'm running FC3 with the nvidia 7676 drivers.  I've googled around
> > quite a
> > bit on this one and haven't found anyone else with the same problem.
> 
	I got that when I upgraded to 0.19 too.  But when I got around to using my theme, ProjectGrayhem-wide (version 1.3), the previews looked normal again.  I think the problem must be related to the size of the preview window.  A couple of other people in the #mythtv-users IRC channel have noticed that the problem isn't there in my theme too.  FYI my frontend is an Epia-M10000, so this has nothing to do with the video drivers, unless nvidia & unichrome both have the same bug.

	Not everybody sees the problem on their systems (obviously, or there'd be more posts about it), so my guess is that it's related to both the preview size and Xv.  Note: Because the problem doesn't show in my theme, the symptom _has_ to be related to (though maybe not caused by) the size of the preview window - there's nothing else it can logically be.

	To further narrow down the cause of this problem it'd probably help if people seeing it mention which theme & they're using.

	As a side note, I remember seeing a similar issue with 0.18 before the fixes branch was released.  I think that was caused by using certain compilation options / Qt, but I can't be sure.

	Regards,
	Justin.
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