[mythtv-users] Tuners, conflicts and padding

[John Pilkington]

On 02/01/15 22:28, E James wrote:
> On 01/01/2015 21:25, E James wrote:
>> I'm running MythTV 0.27 with Lubuntu 13.10 on a shuttle DS47.
>>
>> Happy New Year. _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> http://wiki.mythtv.org/Mailing_List_etiquette
>> MythTV Forums: https://forum.mythtv.org
>>
>
> Thanks to all for your comments. I'm learning all the time but sometimes
> the learning curve is a bit too steep.
>
> I set up an experiment to confirm an idea. I manually scheduled 3
> overlapping recordings, 1 for BBC1 (multiplex 1) and 2 for UTV
> (multiplex 2). Everything worked as specified. Apparently it is
> acceptable in MythTV to make 2 or more simultaneous recordings of the
> same channel. I therefore conclude there is no good reason why padding
> should cause conflicts with "back to back" recordings. It would require
> a small (I think), revision of the code. Virtual tuners only exist in
> software, so the software is already capable of sending the same stream
> to two (or more) distinct recording files. There is a downside - if you
> had 3 channels with simultaneous "back to back" recordings, there would
> be a short time when you could have 6 recording files open at the same
> time, but then six virtual tuners would have exactly the same effect.
>
> Having reached that conclusion and, since the code is as it is, I
> decided to reset my system to 5 virtual tuners per physical tuner. To
> keep things tidy I deleted the 2 capture cards and then reinstated them
> with 5 simultaneous recordings on each, and now my system is broken.
> Instead of the 8 virtual tuners numbered 1 to 8, I now have 10 virtual
> tuners numbered 9 to 18. "Tuner Status" says "Tuner .. has an error",
> "Watch TV" says "All tuners are currently busy" and the scheduler says
> "Recorder Off-line". Obviously I did something wrong, can anyone tell me
> what it was and how to fix it? Please!

I believe that is the classic result of using the wrong 'delete tuners' 
option.  You need to 'Delete *all* tuners.'

HTH

John P