[mythtv-commits] Ticket #13472: Channel Scan improvements

MythTV noreply at mythtv.org
Fri Sep 6 14:41:08 UTC 2019

#13472: Channel Scan improvements
 Reporter:  Klaas de Waal             |          Owner:  Klaas de Waal
     Type:  Developer Task            |         Status:  assigned
 Priority:  minor                     |      Milestone:  needs_triage
Component:  MythTV - Channel Scanner  |        Version:  Master Head
 Severity:  medium                    |     Resolution:
 Keywords:                            |  Ticket locked:  0

Comment (by Klaas de Waal <kdewaal@…>):

 In [changeset:"796c4c5827d8484d47f32c91e423ae22651678ab/mythtv"
 #!CommitTicketReference repository="mythtv"
 No more channel conflicts on ATSC major/minor numbers.

 This change is similar to that for channel conflicts on service ID's for

 Rationale (also the same):
 A "conflicting channel" in mythtv-setup is a channel that does not have a
 unique channel number.
 It is essential to have a unique channel number for all channels in a
 video source otherwise
 mythbackend can arbitrarily select any channel with the same channel
 number for a recording.
 However, mythtv-setup also considers a channel conflicting if the ATSC
 major/minor number
 combination is the same as another channel and then forces the user to
 enter a unique channel number.

 In my understanding this is a bug because A. it does not change the ATSC
 major/minor numbers
 and B. ATSC major/minor number combinations do not need to be unique in
 For ATSC the test on the major/minor number combination uniqueness is
 removed and all ATSC channels
 are now considered "non-conflicting" to start with.
 The ATSC major/minor number combination is used to create default channel
 but later on the check on the uniqueness of the channel number is still

 Refs #13472

Ticket URL: <https://code.mythtv.org/trac/ticket/13472#comment:8>
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