[mythtv-users] Myth 0.22 / VDPAU / Horizontal "noise/sparkles"

[Adam Stylinski]

I'm telling you it's digital noise.  Try a different cable that is shield
better.  Don't go crazy with monsters, but monoprice has some well shielded
cables that do DVI to HDMI.  Locally may be your only option for this
weekend, though.

On Fri, Feb 5, 2010 at 12:14 PM, Blammo <blammo.doh at gmail.com> wrote:

> On Fri, Feb 5, 2010 at 8:27 AM, Adam Stylinski <kungfujesus06 at gmail.com>
> wrote:
> > I had similar issues with my 9600 GT and it used to freak me out.  I
> > couldn't find anything consistent with my settings and why it was doing
> > that.  Then I replaced my DVI to HDMI adapter to HDMI cable setup for a
> > cable with built in DVI on one end and HDMI on the other.  This cable
> also
> > had the luxury of a ferrite core on both ends.  It turns out the issue
> was
> > digital interference.  The symptoms you describe also sound a lot like
> > digital interference.
>
> I wish it was that easy.. I notice something new last night that
> changes where I think the source of the issue is. (I tried updating my
> TRAC ticket (#7571) but it appears closed.)
>
> With superbowl coming up, I REALLY wanted to get this fixed, so last
> night I put a new Hardrive in my frontend last night, and installed
> F12-64bit from scratch. 190.50 drivers, mythtv-suite from atrpms..
> Still sparkles.... with VDPAU on, and only for HDHR/MPEG2 off-air
> content.
>
> One thing NEW I noticed however, and this blew me away..... The
> artifacting actually shows up with x11vnc as well, which tends to
> remove things like video-drivers from the formula and point more
> towards decoding...
>
> I uploaded a couple of  "VPDAU on/off" screenshots to my ticket:
>
> ON: http://svn.mythtv.org/trac/attachment/ticket/7571/vdpau-glitter-1.jpg
> OFF:
> http://svn.mythtv.org/trac/attachment/ticket/7571/cpuplusplus-no-glitter-1.jpg
>
> I welcome ANY ideas... this is driving my out of my mind.....
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