[linux-dvb] Re: Continuity counter inconsistency

[Marcus Metzler <mocm@metzlerbros.de>]

Johannes Stezenbach writes:
 > Oliver Maier wrote:
 > > > > 
 > > > > playing around I found a transponder where the broadcast company
 > > > > decided to use nearly random continuity counters (CC). Is this
 > > > > permited by the DVB standard?
 > > > 
 > > > Which transponder is this?
 > > 
 > > On Astra 19.2E 10832/H symbolrate 22000. A good example is pid 0x0fa1.
 > 
 > For me the bit error rate is too high to get useful output.
 > On pid 0x0fa1 I get a few packets every one in a while, all
 > with the error indicator set -- no wonder the CC seems to be random.
 > 
 > 

Aren't there some (only one?) encrypted channels on that
transponder. My guess would be that the randomness in the continuity
counter has something to do with that. I don't have the PID in my
dvbrc, so I guess that the PID is for sections and in that case
probably for ECMs. 

    TRANSPONDER ID 0002 TSID 04e5 SATID 0192 TYPE 0 FREQ 10832000 POL H SRATE 22000000 FEC 5/6 INVERSION off
      CHANNEL ID 9 NAME "Test" PNAME "Astra" SATID 192 TPID 2 SID f1fe TYPE 0 VPID 37 APID 38 PCRPID 37
      CHANNEL ID a NAME "RAZE TV" PNAME "Astra" SATID 192 TPID 2 SID f20b TYPE 0 VPID 134 APID 100 PCRPID 134
      CHANNEL ID b NAME "RDC" PNAME "Polskie Radio-Regionalna" SATID 192 TPID 2 SID f20a TYPE 0 APID 43 PCRPID 43
      CHANNEL ID c NAME "Radio Horeb" PNAME "Eurociel" SATID 192 TPID 2 SID f208 TYPE 0 APID 40 PCRPID 40
      CHANNEL ID d NAME "Bibel TV" PNAME "Astra" SATID 192 TPID 2 SID f1cc TYPE 0 VPID 20 APID 21 PCRPID 20
      CHANNEL ID e NAME "TV TRWAM" PNAME "Astra" SATID 192 TPID 2 SID f1d7 TYPE 0 VPID 46 APID 47 TTPID 36 PCRPID 46
      CHANNEL ID f NAME "Free-X TV" PNAME "BT" SATID 192 TPID 2 SID f21c TYPE 1 VPID a0 APID 50 PCRPID a0
      CHANNEL ID 10 NAME "Tango TV" PNAME "Tele 2" SATID 192 TPID 2 SID f1e0 TYPE 0 VPID 3d APID 3e PCRPID 3d
      CHANNEL ID 11 NAME "Radio Maryja" PNAME "Astra" SATID 192 TPID 2 SID f1d8 TYPE 0 APID 49 PCRPID 49

Marcus

-- 
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| Dr. Marcus O.C. Metzler        |                                   |
| mocm@metzlerbros.de            | http://www.metzlerbros.de/        |
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