[mythtv-commits] Ticket #12075: "Early Start"-Setting + Two Recordings on the same channel follow directly each other => first recording is aborted too early

[MythTV]

#12075: "Early Start"-Setting + Two Recordings on the same channel follow directly
each other => first recording is aborted too early
-------------------------------------+-------------------------------------
     Reporter:  t.brackertz@…        |      Owner:
         Type:  Bug Report -         |     Status:  new
  General                            |  Milestone:  unknown
     Priority:  minor                |    Version:  Unspecified
    Component:  MythTV - Recording   |   Keywords:  schedule recording
     Severity:  medium               |  start early recording aborted
Ticket locked:  0                    |
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 If "Start Early" and "End Late" are for example set to 300s the following
 happens:

 There are 3 scenarios:
 1) Schedule a recording on channel A from 5 pm to 6 pm. Mythtv records
 channel A from 4.55 pm to 6.05 pm. - fine

 2) Schedule a recording on channel A from 5pm to 6pm and another on
 channel B from 6 pm to 7pm. If you have two tuners available Mythtv
 records channel A from 4.55 pm to 6.05 pm and channel B from 5.55pm to
 7.05 pm. If there is only one tuner available Mythtv records channel A
 from 4.55 pm to 6 pm and channel B from 6pm to 7.05 pm. - also fine

 3) Schedule a recording on channel A from 5pm to 6pm and another recording
 also on channel A from 6 pm to 7 pm. Mythtv records channel A from 4.55 pm
 to 5.55 pm and from 5.55 pm to 7.05 pm. The first recording is aborted 5
 minutes too early and the end of the first broadcast gets part of the
 second one. This also happens if there are some additional tuners free;
 only one tuner is used.

 I suppose the following:
 In the third scenario the scheduling mechanism recognizes that both shows
 are on the same channel and applies the "Start Early"-setting (whereas in
 scenario 2 this setting is ignored by the scheduling mechanism). Hence it
 plans to record one show on channel A from 4.55 pm to 6.05 pm and the
 other show also at channel A from 5.55 pm to 7.05 pm. But the recording-
 mechanism isn't able to do that but aborts the first recording when
 starting the second.

 Maybe https://code.mythtv.org/trac/ticket/12023 is related.

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Ticket URL: <https://code.mythtv.org/trac/ticket/12075>
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