[mythtv-users] Which tuner did MythTV use?

Lee Maisel maisel at lobo.net
Thu Nov 15 07:11:00 UTC 2012

Michael T. Dean wrote:
> On 11/12/2012 06:28 PM, Tony Sauri wrote:
>> On 13/11/12 11:38, Ray Lischner wrote:
>>> I have two HDHomeRuns (four tuners), and at least one tuner seems to be
>>> failing. Episodes sporadically come in clean, partially, or not at all.
>>> My problem is identifying the failing tuner(s). By checking which 
>>> tuners
>>> MythTV planned to use for upcoming episodes, and comparing that with
>>> failed recordings, I have been able to identify one problem tuner so
>>> far. I need to repeat the exercise because episodes continue to fail
>>> unpredictably. This process takes time and causes the necessary loss of
>>> episodes. What would make this process faster would be if MythTV
>>> remembered the tuner that it used to record a program.
>>> My question: Does MythTV in fact keep track of which tuner it used? If
>>> so, where in the database does it keep this information? (I could not
>>> find it.)
>>> Does anyone else consider this to be useful information? Or is it so
>>> specialized to this one situation that it isn't worth the effort?
>> Caveat:  I do not have a HDHomeRun so not sure what the logs will 
>> look like for you.
>> You should find records like or similar to this one in your Backend 
>> Logs:
>> 12-11-13 09:29:03.125 Started recording: "Carter Can": channel 1100 
>> on cardid 5, sourceid 1
>> A simple script will be able to extract and list them for you.
> http://www.mythtv.org/wiki/Which_recorder.pl
> Probably needs some updates to the regexp for 0.25+.
> Mike
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Also you could just use the HD HomeRun utility and watch the raw video 
coming from the tuners, and switch between tuners at will.   Also you 
can see the signal strength/quality graphs..

If you have your antenna on a splitter to the two units, one leg may be bad.

Good Luck


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