[mythtv-users] Determining State of Set Top Box

Ant Daniel antdaniel at gmail.com
Mon Jun 27 10:15:52 UTC 2005

On my PVR-350 I can use the command

ivtvctl -I and I get either 
Input signal timebase (D4): Stable (broadcast/DVD)
Input signal timebase (D4): Bad

If your not using a PVR then I don't know (and according to someone
previously on the list, it's partly to do with my receiver), but at
least you know it's possible.


On 6/27/05, Derek Battams <derek at battams.ca> wrote:
> Sometime this morning my cable company decided to reset my digital receiver -
> probably for a firmware upgrade or some such thing.  After the reset the power
> was off.  I had no recordings scheduled during this time and was able to turn
> it back on when I got home and noticed it.  I knew this would be one of the
> issues that couldn't be prevented when having MythTV receive from an external
> source - or can it be detected?
> While thinking about this during the day, I noticed that when the receiver was
> off my screen was blank (no static - blank/black) when trying to watch TV on
> that tuner.  Is there somewhere (the backend daemon?) where a test can be done
> and if a blank screen is detected for, say, 20 seconds then send the remote
> code for the receiver's power?  Keep doing this as long as a blank screen is
> detected?  I know the commflag program detects commercial breaks via blank
> frames so it would seem  that perhaps something similar can be done for
> detecting the status of an external receiver?
>   - Derek
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users

More information about the mythtv-users mailing list