[mythtv-users] color adjustments to pvr-350

Jeff Simpson jeffsimpson at alum.wpi.edu
Thu Jan 5 19:34:46 UTC 2006


On 1/5/06, Matt Price <matt.price at utoronto.ca> wrote:
>
> hi folks,
>
> myth is running great, but the recordings look funny when played on my
> pvr-350 (kinda green and a little washed out).  Tried copying one of the
> files to another computer and playing via mplayer on a normal (crt
> monitor) xsession, and the color distortion doesn't appear.  It also
> seems to me that
>
> dd if=/dev/video0 of=/dev/video16
>
> that is, playing the pvr-350's video-in directly to its video-out, also
> doesn't give the color distortion (though I have to experiment with that
> more extensively -- it's difficult b/c it won't work when mythfrontend
> is running).
>
> can't find documentation re: how to adjust colorsi n myth or using ivtv
> -- can anyone help?  anyone seen this problem before?


yes, I've definitely seen this problem before, to fix it you need to change
some registers in the PVR350:

http://www.gossamer-threads.com/lists/mythtv/users/164931?search_string=green%20350;#164931

depending on which revision of the 350 you have, the registers are
different, but those are the ones I reverse-engineered.

thanks,
>
> matt
>
>
>
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