[mythtv] [mythtv-commits] Ticket #6719: Add channel change monitoring into the signal monitor

[Eric Bosch]

Mark Buechler wrote:
> Hi
> 
> On Tue, Sep 1, 2009 at 12:54 PM, MythTV <mythtv at cvs.mythtv.org
> <mailto:mythtv at cvs.mythtv.org>> wrote:
> 
>     #6719: Add channel change monitoring into the signal monitor
>     ------------------------------+---------------------------------------------
>      Reporter:  jppoet at gmail.com <mailto:jppoet at gmail.com>  |      
>      Owner:  ijr
>         Type:  patch             |       Status:  new
>      Priority:  minor             |    Milestone:  unknown
>     Component:  MythTV - General  |      Version:  unknown
>      Severity:  medium            |   Resolution:
>      Mlocked:  0                 |
>     ------------------------------+---------------------------------------------
> 
>     Comment(by eric.bosch at comcast.net <mailto:eric.bosch at comcast.net>):
> 
>      I will test this again.  It was working well before, but I dropped
>     using
>      it at one point due to a different problem.  Now, after an upgrade to
>      current CVS today (21623) my firewire capture has ceased to function,
>      failing to lock on signal, even though firewire tester shows it as fine
> 
>     --
> 
> I suspect there may be a race condition here between
> SetupSignalMonitor() and SetupDTVSignalMonitor(). SetupSignalMonitor()
> may be attempting to
> GetDTVSignalMonitor()->GetStreamData()->SetVideoStreamsRequired(0) while
> GetStreamData() is NULL before SetupDTVSignalMonitor() has a chance to
> initialize it.. but I could be wrong.
> 
> - Mark.
> 
> 
> ------------------------------------------------------------------------
> 
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I'm seeing some deadlocks on channel changes with this using a Firewire
and pvr 150 tuners