[mythtv-users] Cannot scan for channels

Michael T. Dean mtdean at thirdcontact.com
Mon May 10 00:59:52 UTC 2010

On 05/09/2010 08:39 PM, lanas wrote:
> Hello all,
>    I'm installing MythTV on Fedora 12 i386 using the rpmfusion
> repository.  Everything seems fine as for as the installation
> goes, following the simple instructions on the MythTV wiki.  The
> card is a PVR-500 dual tuner.  This box previously hosted
> Mythdora 5 as well as an older Mythdora version and television programs were
> recorded successfully.
>    Here are the current video devices:
> crw-rw----+ 1 root video 81, 0 may 9 19:40 /dev/video0
> crw-rw----+ 1 root video 81, 5 may 9 19:40 /dev/video1
> crw-rw----+ 1 root video 81, 3 may 9 19:40 /dev/video24
> crw-rw----+ 1 root video 81, 8 may 9 19:40 /dev/video25
> crw-rw----+ 1 root video 81, 1 may 9 19:40 /dev/video32
> crw-rw----+ 1 root video 81, 6 may 9 19:40 /dev/video33
>    I'm assigning video0 and video1 as these two were used
> previously with Mythdora.  So I presume they're still working.  I
> have no idea what the others are about.
>    There are no 'scan for channels' option available in
> mythtv-setup.  They are greyed out or otherwise no clickable.
> The rest of the configuration is OK, but there's no scan that can
> be done.  I'm not using Schedules Direct at the moment (will do
> when I see the system working, though).  So I'd simply like to scan for channels for the two tuners (one is cable direct, the other is the S-video output of the cable box) to see if the video inputs are OK.
>    Could it be that there's no access from user space to these
> devices ?  Is it possible to test the functionning of these video
> devices in a very basic way outside of MythTV ?

Just use the 7-day free trial of Schedules Direct.  Analog scanning is 
disabled in 0.22.  You're only making things harder for yourself by not 
using Schedules Direct to do the setup.


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