[mythtv-users] Input Connections is blank on setup

Joseph A. Caputo jcaputo1 at comcast.net
Tue Oct 28 15:20:26 EST 2003


Top-posting rearranged.

On Tuesday 28 October 2003 15:03, James Pifer wrote:
> On Tue, 2003-10-28 at 13:59, Joseph A. Caputo wrote:
> > On Tuesday 28 October 2003 13:26, James Pifer wrote:
> > > Little more info. Upon exiting the setup GUI I see an error
> > > "Couldn't open /dev/video0 to probes its inputs."
> > >
> > > Thanks,
> > > James
> > >
> > > On Tue, 2003-10-28 at 12:19, James Pifer wrote:
> > > > Besides my other post with problems with alsa and lirc I'm
> > > > having a problem during the mythtv setup.
> > > >
> > > > I can complete General, Capture Cards, and Video sources, but
> > > > when I go to Input Connections the screen is blank and nothing
> > > > ever pops up.
> > > >
> > > > I'm using a PVR350. Anyone know what the cause of this is? Is
> > > > it related to having problems getting lirc correctly installed?
> >
> > Most likely the user you're running as doesn't have permission to
> > access /dev/video0.  Check your permissions.
> >
> > -JAC
> >
> I think permissions are ok. I did a chmod 777 on /dev/video* and the
> files under /dev/video. Still the same thing. Plus, it look like the
> user mythtv is the owner of those files.
>
> Any other ideas?
>
> Thanks,
> James

Are your ivtv drivers loaded?  Have you tested your capture card outside 
of Myth (i.e., can you do a 'cat /dev/video0 > test.mpg' and play the 
resulting file in mplayer or xine)?  Search your system log for 
ivtv-related messages, also.

-JAC



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