[mythtv-users] Quality of recordings degraded

Joseph A. Caputo jcaputo1 at comcast.net
Thu Jul 8 14:03:09 EDT 2004


On Thursday 08 July 2004 12:16, J. Donavan Stanley wrote:
> Joseph A. Caputo wrote:
> >If it were simply a matter of a driver issue, then that would work.
> >Unfortunately, according to the ivtv list, it's something to do with
> >the card.  Something on the card (some register or something)
> > doesn't get re-initialized even if you unload/reload the driver
> > and/or the firmware.  Only a power cycle resets it.
>
> Odd I've not had an issue that my cycle_backend script wouldn't
> solve. It stops mythbackend, unloads ivtv sleeps for a second then
> loads ivtv and starts mythbackend.  That's corrected every issue I've
> had with my pvr250s and m179 using ivtv 1.9

I actually configured a Myth menu item to do just that:

/etc/init.d/mythbackend stop
modprobe -r ivtv
sleep 1
modprobe ivtv
/etc/init.d/mythbackend start

It occasionally works, but it's such a PITA to run it, then go to LiveTV 
and check *both* cards picture quality; repeat ad nauseum until *maybe* 
one iteration solves the problem.  It's easier just to cycle power.

-JAC


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