[mythtv] PIP motion sync

Robert Rozman rozman at fri.uni-lj.si
Tue Aug 31 17:14:26 EDT 2004


Hi,

I'm not sure if this will be of any help, but I noticed same behaviour on
webcam, when shown in PIP, the main capture card is pvr 350...

Regards,

Robert.

----- Original Message ----- 
From: "Brian C. Huffman" <huffman at graze.net>
To: "Development of mythtv" <mythtv-dev at mythtv.org>
Sent: Tuesday, August 31, 2004 1:26 PM
Subject: Re: [mythtv] PIP motion sync


> On Tue, 2004-08-31 at 06:43 -0400, Doug Larrick wrote:
> > Brian C. Huffman wrote:
> > >>I'll bet this is fallout from the video sync reimplementation.  If you
> > >>run 'mythfrontend --verbose playback' are there any messages printed
out
> > >>just after you start PIP?
> > >
> > >
> > > Here is what is output:
> >
> > [snip]
> >
> > On second thought, looking at this output and the code, it looks like
> > the PIP playback is starved for video frames... to me it doesn't look
> > like a video sync issue after all.  And since I don't have two tuners
> > I'm not in a position to debug this one.
> >
>
> I read the post from Mark Buechler as well where he states that he
> believes this to be more releated to the ivtv drivers.  But if that's
> the case, why would the video be extremely accelerated before the pause
> when it's starving?  It seems to me that if the video ran at the normal
> rate, it wouldn't starve?
>
> Brian
> -- 
> Brian C. Huffman <huffman at graze.net>
>
>


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