[mythtv] [mythtv-commits] Ticket #3119: Channel scanner problem when different channels have same ATSC major - ATSC minor values

[Stuart Auchterlonie]

MythTV wrote:
> #3119: Channel scanner problem when different channels have same ATSC major - ATSC
> minor values
> ------------------------------+---------------------------------------------
>  Reporter:  sastie at gmail.com  |       Owner:  danielk
>      Type:  defect            |      Status:  new    
>  Priority:  minor             |   Milestone:  unknown
> Component:  dvb               |     Version:  0.20   
>  Severity:  medium            |  
> ------------------------------+---------------------------------------------
>  Problem with the channel scanner in the following case:
>  QAM 256  - Cable high IRC.
>  All QAM channels are broadcasted with the same ATSC Major - ATSC Minor
>  combination. (1008-0)
> 

That is one seriously broken provider....

>  Result:
>  Channel scanner picks first channel, inserts it to the db.
>  Channel scanner picks up subsequent channels and run an update script on
>  previously inserted channel.
>  End up having 1 QAM channel instead of 23.
> 
>  Workaround:
>  took mysql query log file and transformed "update" queries into "insert"
>  queries.
>  ran the scripts to have the channels in the db.
> 

Which will break anything but that provider.

>  Proposed solution:
>  use the frequency and multiplex to isolate a channel and not just ATSC
>  major-minor.
> 

Alternative (non helpful) solution.

Slap provider with a large trout.


Stuart