[mythtv] Request for a new system event: CEC Command

Raymond Wagner raymond at wagnerrp.com
Mon May 20 12:12:40 UTC 2013

On 5/20/2013 8:01 AM, Michael T. Dean wrote:
> On 05/17/2013 08:23 AM, Raymond Wagner wrote:
>> On 5/17/2013 8:05 AM, phipps-hutton wrote:
>>> Any comments? Can I create a ticket? I may be able to code this and 
>>> submit a patch but it will be against fixes/0.26 (I don't think 
>>> libmythui/cecdapater.cpp has diverged much).
>> Right now, the only CEC capability yet implemented in MythTV is the 
>> ability to bind an input command to turn the TV off.  It has no 
>> external event support.  Feature requests are not permitted on trac, 
>> but if you have a patch implementing this feature, you could open a 
>> ticket.
> And, IMHO, it seems like the right approach to use for all the CEC 
> actions.

That's really taking an overly simplified view of things.  Certain 
options and inputs could logically be tied into the existing input 
mechanism, but there is use for a mechanism that would force the TV to 
be turned on and tuned to the correct input during playback, and other 
similar automated triggering.  That said, the "smarts" in my TV often 
fall short, and require a bit of wrangling trying to get my receiver 
back into the proper mode when the TV tries to do the smart thing.  I 
haven't the foggiest how one might set up an intuitive mechanism to 
allow the user to program their own behavior into MythTV.  Perhaps 
that's something best left entirely up to the event system and external 

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