Re: [gentoo-user] Xawtv/Scantv refuses cooperation

[Bertram Scharpf <lists@bertram-scharpf.de>]

Hi,

Am Montag, 07. Aug 2006, 10:15:31 +1200 schrieb Nick Rout:
> 
> On Thu, 3 Aug 2006 20:47:24 +0200
> Bertram Scharpf wrote:
> >   $ su -
> >   Password:
> >   # ls -la /dev/v4l/vbi0
> >   crw-rw---- 1 root video 81, 224  1. Aug 19:50 /dev/v4l/vbi0
> >   # mknod /tmp/myvbi c 81 224
> >   # chmod a+rwx /tmp/myvbi
> >   # ls -la /tmp/myvbi
> >   crwxrwxrwx 1 root root 81, 224  3. Aug 20:36 /tmp/myvbi
> >   # scantv -n PAL -f europe-west -C /tmp/myvbi
> >   [...]
> >   vbi: open failed [/tmp/myvbi]
> >   open /tmp/myvbi: Invalid argument
> >   # dd if=/tmp/myvbi bs=8 count=1 2>/dev/null | wc -c
> >   8
> >   #
> > 
> > AleVT works without complaint.
> 
> What exactly is scantv scanning for when it scans the vbi device? Does
> it find the teletext channels or something?
> 
> If you are looking to scan for tv channels then i think you want the
> video device, not the vbi device, like
> 
> scantv -n PAL -f europe-west  -c /dev/video0

As far as I understand it, the vbi device is needed to read
the channel names from teletext. I suppose the scanning
would work perfectly if only the vbi access could be
skipped. 

This seems to be a Gentoo specific problem as the scan
used to work on my old Debian. As I mentioned AleVT works,
too.

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de
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