[mythtv-commits] Ticket #12656: Tuner used more than one for same channel

MythTV noreply at mythtv.org
Sun Feb 21 08:49:11 UTC 2016


#12656: Tuner used more than one for same channel
-----------------------------------------+----------------------------
     Reporter:  Nick Whitehead <nick@…>  |      Owner:
         Type:  Bug Report - General     |     Status:  new
     Priority:  minor                    |  Milestone:  unknown
    Component:  MythTV - General         |    Version:  0.27.6
     Severity:  medium                   |   Keywords:  tuner, backend
Ticket locked:  0                        |
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 MythTV 0.27.6, Ubuntu 14.04.3, HDHomeRun Connect dual tuner (UK),
 connected peer to peer (link local). Frontend is Kodi 15.2, not MythTV
 frontend, both on same and on other m/cs.

 It appears viewing / recording the same channel in more than one place
 causes more than on tuner to be used.

 Watch BBC News (ch 92). Mythweb status shows one tuner used. On an android
 tablet watch the same channel. Mythweb now shows both channels used. Try
 it on a 3rd device, Kodi on that device says channel not available.

 MythTV backend capture card setup for each tuner has max recordings set to
 1 in recording options, because you have to - HDHR does not support
 multiple channels from one multiplex like other tuners do. However I
 believe that should apply to different channels on the same multiplex, not
 the same one?

 It appears that with this setup the backend will only allow one client to
 use a channel stream, even if several clients want exactly the same
 channel stream. I noticed this first when recording a channel and watching
 it live on the backend m/c - used two tuners, not one.

 The consequence of this is unexpectedly running out of tuners. Whilst this
 specifically happens with my HDHR setup, perhaps it is general to all
 tuners and is down to the backend not realising that multiple sinks
 wanting the same channel source could be satisfied by the one source.

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Ticket URL: <https://code.mythtv.org/trac/ticket/12656>
MythTV <http://www.mythtv.org>
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