[mythtv-users] Can someone please help me with understand how progamid is used for duplicate detection?

Michael T. Dean mtdean at thirdcontact.com
Thu Nov 26 23:16:12 UTC 2009

On 11/25/2009 09:19 PM, Nick Morrott wrote:
> 2009/11/25 Another Sillyname
>> 2.  In the .21 version of mythweb you could see the programid vales on
>> the episode page, those values no longer appear.  Is there a reason
>> for this?
> The populating of programid data from DVB-S EIT data is currently
> broken, as far as I can tell and from the tickets linked below.

And no matter how often you change the value in the program listings, it 
will keep being overwritten by new data pushed in by the EIT.

>  I have
> no programids at all on my DVB-S/T box, but I would expect this
> judging by the comments in the tickets as I haven't rescanned either
> service since updating the box to 0.22-fixes (I was doing a lot of
> channel scanner testing some months before the release).
> The DVB-T side of things was fixed after 0.22 was released, so you
> should get correct default authority and programid data if you rescan
> on a current 0.22-fixes installation.
> Relevant tickets:
> http://cvs.mythtv.org/trac/ticket/5562
> http://cvs.mythtv.org/trac/ticket/5603

And note that not having a programid is a good thing--compared to having 
bad programid's.  If 2 shows being compared have identical titles and 
programid's, they are considered duplicates--regardless of subtitle 
(episode title), description, and /also/ regardless of the duplicate 
check method chosen for the recording rule.

If either of the 2 shows is lacking a programid, the duplicate check 
method chosen for the recording rule determines how programs are 
determined to be duplicates.


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