[mythtv] Get sourceinput's tuned channel?

Nigel Pearson nigel at ind.tansu.com.au
Thu Nov 20 07:26:21 UTC 2008


> Is there a function in MythTV which can retrieve the current chanid a
> sourceinput is tuned on?

Not that I know of
('though I'm not an expert on the TV stuff).


1) If you are just doing debugging, the default
output from mythbackend contains something like:

2008-11-20 18:14:08.276 MainServer::ANN Playback
2008-11-20 18:14:08.277 adding: macaque.ind.tansu.com.au as a client  
(events: 0)
2008-11-20 18:14:08.279 TVRec(4): Changing from None to WatchingLiveTV
2008-11-20 18:14:08.284 TVRec(4): HW Tuner: 4->4

Sadly, the output doesn't list the channel
until you stop the LiveTV session:

2008-11-20 18:19:23.895 TVRec(4): Changing from WatchingLiveTV to None
2008-11-20 18:19:24.163 Finished recording Seven News: channel 1060


but if you need to know the channel at the time,
have a look at the 'tvchain' table in the database


2) You could add some debug in the file
libs/libmythtv/tv_rec.cpp, method
TVRec::TuningCheckForHWChange(),
to also print out channum?

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