[mythtv-users] Glitches in firewire capture from DCT-6200

Alex Brekken brekkal at gmail.com
Sat Dec 17 21:47:26 EST 2005


I suppose it's possible, although I would think I would have this problem
all the time if it was a network thing, rather than intermittantly.  My
"network" consists of a D-Link 802.11G router connecting a 40 ft. run of
cat-5 cable to my basement where the slave-backend lives.  The master
backend/frontend box is right next to the router.


On 12/17/05, Brad DerManouelian <myth at dermanouelian.com> wrote:
>
> Are you having networking issues?
>
> On Dec 17, 2005, at 9:19 PM, Alex Brekken wrote:
>
> Thanks guys, yes I changed the speed setting in mythtvsetup to 400 mbps.
> Now, plugreport shows that the data_rate=2 and stays there.  However, it
> didn't seem to fix my display issues.
>  It's not a stuttering necessairly, more of a slow-down - like it's in
> slow motion for a second or 2.  -it does this every 3 or 4 seconds.  "normal
> speed, slo-mo, normal speed, slo-mo," etc, etc.  The video itself doesn't
> break-up at all during this problem.    It doesn't do it all the time, but
> it can happen on any channel.  I see it both during liveTV viewing as well
> as on pre-recorded shows.
> The firewire capture is happening on a slave backend box, which is an
> older Dell pentium 3 1gHz machine.  I suppose it's possible that the machine
> itself is to blame (issue with PCI bus?) but I don't think the hard drive is
> the problem.  It's a newer 7200 RPM Western Digital drive with 8 mb cache.
>
> Any guesses?  I'd love to be able to utilize Firewire capture, since it's
> much more reliable now thanks to those pluctl commands - but if I can't fix
> this video slow-mo issue than I think I'll have to ditch it.
>
>
> On 12/17/05, Steve Adeff <adeffs at gmail.com> wrote:
> >
> >
> >
> > What speed setting do you have set for the firewire capture device? try
> > increasing it as Myth will change these plug values when you use
> > firewire as
> > a capture device.
> >
> > Steve
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