[mythtv-users] Determining State of Set Top Box

Joshua King jkingkard-hotmail at yahoo.com.au
Mon Jun 27 11:19:51 UTC 2005

Something could be done, but what I suggest you do is modify your change
channel script -- see if you can get a 'discrete on' code for your receiver
or some button combination which will always turn your box on (whether on or


On 27/6/05 7:46 AM, "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
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