[mythtv-users] Local PBS station now not able to tune - all othersOK

john roberts homepagez at lycos.com
Sat Mar 5 23:47:25 UTC 2005


What is PAT?  Cuz it seems like this may be the issue with this PBS station.  When I do a 'dtvscan' - it finds "PAT" packets for other OTA stations but NOT this PBS station.

Anyone have an idea what PAT is and why mythtv cares? ;)

Here is the output of dtvscan:  [btw - channel 27 is the PBS station]

channel = 25
channel = 26
channel = 27
Signal: 07 #######
look for sync
PAT found ckets 
PAT found ckets 
PAT found ckets 
PAT found ckets 
PAT found ckets 
Unable to recieve valid packets
did find pat
`ERROR vct item ptr null couldn't get channel info
      :      :27.1 :27: 2:1
channel = 28
channel = 29
channel = 30
channel = 31
channel = 32
channel = 33
channel = 34
Signal: 07 #######
look for sync
PAT found ckets 
WUSA-HD:      : 9.1 :34: 3:0
9-Radar:      : 9.2 :34: 6:0
channel = 35
channel = 36
Signal: 07 #######
look for sync
PAT found ckets 
channel = 37ets 


----- Original Message -----
From: "john roberts" <homepagez at lycos.com>
To: mythtv-users at mythtv.org
Subject: [mythtv-users] Local PBS station now not able to tune - all othersOK
Date: Sat, 05 Mar 2005 09:26:19 -0500

> 
> 
> Ok - this is very weird.  All other stations can be tuned in - AND - this 
> local PBS station used to be able to be tuned just fine with my HD2000/3000 
> cards.
> 
> BUT now I'm getting this when I try to change the channel (this is the 
> backend with --verbose channel):
> 
> 2005-03-05 09:19:02.062 Channel(/dev/video32)::SetColourAttribute(): failed 
> to query controls, error: Invalid argument
> 2005-03-05 09:19:02.063 Channel(/dev/video32)::SetColourAttribute(): failed 
> to query controls, error: Invalid argument
> 2005-03-05 09:19:02.064 Channel(/dev/video32)::SetColourAttribute(): failed 
> to query controls, error: Invalid argument
> 2005-03-05 09:19:02.065 Channel(/dev/video32)::SetColourAttribute(): failed 
> to query controls, error: Invalid argument
> 2005-03-05 09:19:02.065 Channel(/dev/video32)::TuneTo(27-1): 
> curList[25].freq(549250)
> 2005-03-05 09:19:02.065 Channel(/dev/video32)::TuneToFrequency(8788)
> 2005-03-05 09:19:02.069 Channel(/dev/video32)::CheckSignal(5000, 55, 0): 
> usingv4l2(1)
> 2005-03-05 09:19:02.309 Channel(22)::signalStrengthATSC_v4l2(): signal 
> strength: 13
> 2005-03-05 09:19:03.052 Channel(22)::signalStrengthATSC_v4l2(): signal 
> strength: 67
> 2005-03-05 09:19:03.052 Channel(/dev/video32)::CheckSignal(): Maximum signal 
> strength detected: 67% after 500 msec wait
> 2005-03-05 09:19:03.053 Setting frequency for startRecording freqid: 27-1
> 2005-03-05 09:19:03.116 Resyncing
> 2005-03-05 09:19:03.171 Resyncing
> 2005-03-05 09:19:03.225 Resyncing
> 2005-03-05 09:19:03.279 Resyncing
> 2005-03-05 09:19:03.279 CreatePAT()
> 2005-03-05 09:19:03.279 PAT in input stream
> 2005-03-05 09:19:03.280 Program Association Table
>   PSIP prefix(0x0) tableID(0x0) length(25) extension(0x21b)
>        version(24) current(1) section(0) last_section(0)
>           tsid: 539
>   programCount: 4
>    program number 1 has PID 0x  10   data  0x0 0x1 0x224 0x16
>    program number 2 has PID 0x  20   data  0x0 0x2 0x224 0x32
>    program number 3 has PID 0x  30   data  0x0 0x3 0x224 0x48
>    program number 4 has PID 0x  40   data  0x0 0x4 0x224 0x64
> 
> 2005-03-05 09:19:03.280 Desired program not set yet
> 2005-03-05 09:19:03.334 Resyncing
> 2005-03-05 09:19:03.388 Resyncing
> 2005-03-05 09:19:03.442 Resyncing
> 2005-03-05 09:19:03.442 CreatePAT()
> 2005-03-05 09:19:03.442 PAT in input stream
> 2005-03-05 09:19:03.443 Program Association Table
>   PSIP prefix(0x0) tableID(0x0) length(25) extension(0x21b)
>        version(24) current(1) section(0) last_section(0)
>           tsid: 539
>   programCount: 4
>    program number 1 has PID 0x  10   data  0x0 0x1 0x224 0x16
>    program number 2 has PID 0x  20   data  0x0 0x2 0x224 0x32
>    program number 3 has PID 0x  30   data  0x0 0x3 0x224 0x48
>    program number 4 has PID 0x  40   data  0x0 0x4 0x224 0x64
> 
> 2005-03-05 09:19:03.443 Desired program not set yet
> 2005-03-05 09:19:03.497 Resyncing
> 2005-03-05 09:19:03.551 Resyncing
> 2005-03-05 09:19:03.605 Resyncing
> 2005-03-05 09:19:03.659 Resyncing
> 2005-03-05 09:19:03.659 CreatePAT()
> 2005-03-05 09:19:03.659 PAT in input stream
> 2005-03-05 09:19:03.660 Program Association Table
>   PSIP prefix(0x0) tableID(0x0) length(25) extension(0x21b)
>        version(24) current(1) section(0) last_section(0)
>           tsid: 539
>   programCount: 4
>    program number 1 has PID 0x  10   data  0x0 0x1 0x224 0x16
>    program number 2 has PID 0x  20   data  0x0 0x2 0x224 0x32
>    program number 3 has PID 0x  30   data  0x0 0x3 0x224 0x48
>    program number 4 has PID 0x  40   data  0x0 0x4 0x224 0x64
> 
> 2005-03-05 09:19:03.660 Desired program not set yet
> 2005-03-05 09:19:03.714 Resyncing
> 2005-03-05 09:19:03.768 Resyncing
> 2005-03-05 09:19:03.822 Resyncing
> 2005-03-05 09:19:03.876 Resyncing
> 2005-03-05 09:19:03.876 CreatePAT()
> 2005-03-05 09:19:03.876 PAT in input stream
> 2005-03-05 09:19:03.876 Program Association Table
>   PSIP prefix(0x0) tableID(0x0) length(25) extension(0x21b)
>        version(24) current(1) section(0) last_section(0)
>           tsid: 539
>   programCount: 4
>    program number 1 has PID 0x  10   data  0x0 0x1 0x224 0x16
>    program number 2 has PID 0x  20   data  0x0 0x2 0x224 0x32
>    program number 3 has PID 0x  30   data  0x0 0x3 0x224 0x48
>    program number 4 has PID 0x  40   data  0x0 0x4 0x224 0x64
> 
> 2005-03-05 09:19:03.877 Desired program not set yet
> 2005-03-05 09:19:03.879 Resyncing
> 2005-03-05 09:19:03.933 Resyncing
> 2005-03-05 09:19:03.935 Resyncing
> 2005-03-05 09:19:03.989 Resyncing
> 2005-03-05 09:19:04.043 Resyncing
> 2005-03-05 09:19:04.043 CreatePAT()
> 2005-03-05 09:19:04.043 PAT in input stream
> 2005-03-05 09:19:04.043 Program Association Table
>   PSIP prefix(0x0) tableID(0x0) length(25) extension(0x21b)
>        version(24) current(1) section(0) last_section(0)
>           tsid: 539
>   programCount: 4
>    program number 1 has PID 0x  10   data  0x0 0x1 0x224 0x16
>    program number 2 has PID 0x  20   data  0x0 0x2 0x224 0x32
>    program number 3 has PID 0x  30   data  0x0 0x3 0x224 0x48
>    program number 4 has PID 0x  40   data  0x0 0x4 0x224 0x64
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