[mythtv] TS filter errors (dvb-s) no clue where to start.....

[Johan]

Hi,
This is a copy of a message I posted last week on the -users list,
however without success (no replies at all). 

I'm just looking for clues where to start searching. I tried dvbsnoop,
but I'm quit unexperienced in this and actually dont know which is the
best option to run it with or how to interpret the results. 

My assumtion is that the TS stream coming from the driver is not 100%
ok. 

this is what DVBsnoop reports:

 dvbtune -f 12343500 -p h -s 27500
Using DVB card "ST STV0299 DVB-S"
tuning DVB-S to L-Band:0, Pol:H Srate=27500000, 22kHz=off
polling....
Getting frontend event
FE_STATUS:
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI
FE_HAS_SYNC
Event:  Frequency: 1744234
        SymbolRate: 27500000
        FEC_inner:  3
Bit error rate: 512
Signal strength: 41272
SNR: 47319
FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI
FE_HAS_SYNC



and monitoring the quality:

---------------------------------------------------------
Transponder/Frequency signal strength statistics...
---------------------------------------------------------
cycle: 1  d_time: 0.001 s  Sig: 65535  SNR: 65535  BER: 0  UBLK: 0
Stat: 0x01 [SIG ]
cycle: 2  d_time: 2.436 s  Sig: 65535  SNR: 65535  BER: 0  UBLK: 0
Stat: 0x01 [SIG ]
cycle: 3  d_time: 2.436 s  Sig: 65535  SNR: 65535  BER: 0  UBLK: 0
Stat: 0x01 [SIG ]
cycle: 4  d_time: 2.432 s  Sig: 65535  SNR: 65535  BER: 0  UBLK: 0
Stat: 0x01 [SIG ]
cycle: 5  d_time: 2.432 s  Sig: 65535  SNR: 65535  BER: 0  UBLK: 0
Stat: 0x01 [SIG ]
cycle: 6  d_time: 2.440 s  Sig: 65535  SNR: 65535  BER: 0  UBLK: 0
Stat: 0x01 [SIG ]


 
I'm getting this error while recording or viewing a DVB-s signal.



2008-08-07 16:59:53.594 PIDInfo(0) Error: Failed to set TS filter (pid
0x7f9)
2008-08-07 16:59:53.602 PIDInfo(0) Error: Failed to set TS filter (pid
0x1ffe)
2008-08-07 16:59:53.626 PIDInfo(0) Error: Failed to set TS filter (pid
0x0)
2008-08-07 16:59:53.651 PIDInfo(0) Error: Failed to set TS filter (pid
0x7f9)
2008-08-07 16:59:54.661 PIDInfo(0) Error: Failed to set TS filter (pid
0x7f9)
2008-08-07 16:59:55.698 PIDInfo(0) Error: Failed to set TS filter (pid
0x7fd)
2008-08-07 16:59:56.733 PIDInfo(0) Error: Failed to set TS filter (pid
0x803)
2008-08-07 16:59:57.775 PIDInfo(0) Error: Failed to set TS filter (pid
0x816)

This continues until I stop viewing. The image quality does not show
problems, but the log is filling up. (And I have another problem for
which I want to examine the log, and that's a bit hard if I have 3-4
events per second in the log)

I have no clue how this is caused or where I should start
troubleshooting/debugging. It seems something fails within the TS
synchronisation, but how and what is unclear to me.

Any help/guidance/......solution ? 



Signal quality seems to be good, display is perfect.

Johan

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