[mythtv-users] Live TV- Operation Not Permitted

[Michael Starks]

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.