[mythtv-users] Time lapse when capturing from VCR

[bhaskins at chartermi.net]

---- Kilian <kilian27 at googlemail.com> wrote: 
> 2009/10/17 David Brodbeck <gull at gull.us>
> 
> > Kilian wrote:
> >
> >> When I watch the VCR tape via Myth's Live TV, every 5-6 seconds the
> >> picture also hangs for about half a second.
> >> This only happens when recording (resp. live watching) from the VCR, there
> >> are no problems when recording/watching cable TV. I cannot understand this,
> >> as both use the same input on the PVR-350. What is the difference between
> >> the cable TV signal and the VCR signal?
> >>
> >> Any ideas? Thanks!
> >>
> >
> > Is this a commercially-recorded videotape?  If it has Macrovision copy
> > protection, that could cause this type of problem.  There are various
> > devices you can hook up between your VCR and capture card that will fix
> > this.  Try Googling for "video clarifier" or "video stabilizer."
> >
> 
> No, one tape is home-recorded, the other was copied from an old
> super-8-movie some 10 or 20 years ago by a professional service.
> 
> Another strange thing I found today: If I capture directly from /dev/video0
> (dd if=/dev/video0 of=test.mpg) and watch this with mplayer, there is no
> time lapse.

Not at all strange, there is much less system overhead that way.

 Thus it seems to be some Myth problem, isn't it?