[mythtv-users] Re: PVR-250: Vertical green bands in recording

[Jason Miller]

On 15/01/04 09:50 -0500, Dave Alden wrote:
> On Wed, Jan 14, 2004 at 06:34:07PM -0500, Andy Grundman wrote:
> > Jason Miller wrote:
> > >On 14/01/04 18:03 -0500, IvanK. wrote:
> > >I'm not sure this is the same issue but there is one banding problem that 
> > >is
> > >solved by chaning inputs.  Ie: 
> > >
> > >  'test_ioctl -p <incorrect tuner>; sleep 5; test_ioctl -p <your correct 
> > >  tuner>'
> > >
> > >I believe there are still a lot of us with that in our crontab :)
> > 
> > That's a good idea... it might have worked without having to disconnect 
> > the cable.  I will try it if it happens again.
> 
> I used the attached script to fix mine.  I run this out of cron once/day
> and I very rarely see the bars anymore (and if I do I just run the script
> by hand :-).
> 
> The one nice thing about this script is that it resets your input to what
> it was before the script ran -- this is very important if you record from
> both the s-video and tuner.  :-)  It also makes it safe to run while
> watching or recording -- it switches away and back so fast that you'll just
> see a quick "blip" and then the bars are gone.  :-)
> 
> ...dave

> #!/bin/sh
> PATH=/usr/local/sbin:$PATH
> 
> #
> orig=`test_ioctl -o | tail -1 | awk 'BEGIN {FS=" "}{print $3}'`
> 
> test_ioctl -p 0 > /dev/null
> test_ioctl -p $orig > /dev/null

tail -n 1 is required for current versions of tail but other than that, I 
switched to this :)  Never know when I'll start wanting to record off air.