[mythtv-users] Live TV- Operation Not Permitted

[John Harvey]

You should be reading from /dev/video0 and writing to /dev/video16.
It looks like somewhere in the setup stuff it has /dev/video0 as your input
device?

John

> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org [mailto:mythtv-users-
> bounces at mythtv.org] On Behalf Of Michael Starks
> Sent: 10 December 2004 21:20
> To: mythtv-users at mythtv.org
> Subject: [mythtv-users] Live TV- Operation Not Permitted
> 
> I had live TV working at one point and now it just gives me a black
> screen.  It was working, I went into setup and played around with the
> offsets, and when I went back it didn't work.  I can't think of anything
> else that changed, yet I can't see the connection.
> 
> I can capture and play a test MPG through the /dev/video0 device.
> TV-out on the PVR-350 works fine.
> But Mythfrontend won't read from the device.
> 
> I get this in mythbackend.log:
> error reading from: /dev/video16
> read: Operation not permitted
> e2004-12-10 16:06:51 Changing from WatchingLiveTV to None
> rror reading from: /dev/video16
> read: Operation not permitted
> 
> The location where the ringbuffer is located has full permissions.  I
> saw the ringbuffer file be created when I went to live TV but the size
> did not increment.
> 
> Devices look like this:
> [root at moya root]# ll /dev/video*
> crw-------  1 mythtv root 81,   0 Oct 17 11:37 /dev/video0
> crw-------  1 mythtv root 81,   0 Oct 17 11:37 /dev/video1
> crw-------  1 mythtv root 81,  16 Oct 17 11:15 /dev/video16
> crw-------  1 mythtv root 81,   0 Oct 17 11:37 /dev/video2
> crw-------  1 mythtv root 81, 224 Oct 17 11:15 /dev/video224
> crw-------  1 mythtv root 81,   0 Oct 17 11:37 /dev/video3
> crw-------  1 mythtv root 81,  32 Oct 17 11:15 /dev/video32
> 
> I tried changing ownership and permissions on the devices to no avail.
> 
> All suggestions appreciated.