[mythtv-users] Problem switching channels

[Christian Rubbert]

On IRC I finally got some help, for the records:

18:39 < sfr> using v4lctl in your channel changer script suggests that
your bt848 card actually has a tuner on it. then you don't need an
external changelchanger script at all. mythtv controls v4l/v4l2 devices
just fine.

Kind of... D'OH!

mfg,
Christian Rubbert

On Sun, 25 Jan 2004 16:18:57 +0100
Christian Rubbert <christian at rubbert.de> wrote:

> Hey!
> 
> Alright this is strange, channel switching really is giving me a
> headache. I set cardinput.externalcommand to
> /usr/bin/changechannel.sh, which looks like this:
> 
> #!/bin/bash
> echo $0 $1 >> /tmp/changechannel
> /usr/bin/v4lctl setchannel $1
> 
> When I try to switch a channel, the correct channel is shown in
> /tmp/changechannel, but it simply won't change. Here an example of
> /tmp/changechannel:
> 
> /usr/bin/changechannel.sh SE16
> /usr/bin/changechannel.sh E2
> /usr/bin/changechannel.sh E10
> 
> Now, when I just copy & paste the last line of /tmp/changechannel, and
> execute it, it bloody changes the channel...
> 
> mythbackend doesn't give me any useful error messages.
> 
> My setup in a few words: My backend is a gentoo box with a bt848
> framegrabber card, my frontend is a xbox with that mythtv-xbox mini
> distribution from http://bit.blkbk.com/bittorrent/, 0.13 progfs.
> 
> mfg,
> Christian Rubbert
> 
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