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Aug 11, 2012, 10:16 AM
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Ticket #10994: Newly added Firewire channels fail to tune
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#10994: Newly added Firewire channels fail to tune
---------------------------------------------+------------------------
Reporter: Peter Bennett <pgbennett@…> | Owner: stuartm
Type: Bug Report - General | Status: new
Priority: minor | Milestone: unknown
Component: MythTV - Mythfilldatabase | Version: 0.25-fixes
Severity: medium | Keywords:
Ticket locked: 0 |
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When new firewire channels are added by mythfilldatabase, tuning those
channels fails. The Signal monitor fails to start. In LiveTV you just see
a blank screen. The following messages occur in the log:
{{{
Aug 7 18:56:22 panther-ux mythbackend[11219]: E TVRecEvent
tv_rec.cpp:1907 (SetupDTVSignalMonitor) TVRec(5): No valid DTV info, ATSC
maj(0) min(0), MPEG pn(-1)
Aug 7 18:56:22 panther-ux mythbackend[11219]: E TVRecEvent
tv_rec.cpp:1961 (SetupSignalMonitor) TVRec(5): Failed to setup digital
signal monitoring
Aug 7 18:56:22 panther-ux mythbackend[11219]: E TVRecEvent
tv_rec.cpp:3696 (TuningFrequency) TVRec(5): Failed to setup signal monitor
}}}
The cause is the values that have been set in the channel table on the new
channels:
mplexid is null, serviceid is null and atsc_major_chan = 0.
The following SQL statement repairs the table so that the channels work:
{{{
update channel
set mplexid = 32767, serviceid = 0, atsc_major_chan = channum
where sourceid = 2
and (mplexid is null or serviceid is null or atsc_major_chan = 0);
}}}
The process that populates the channel table for new Firewire channels
should set the correct values.
--
Ticket URL: <http://code.mythtv.org/trac/ticket/10994>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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