[vdr] VDR constantly tries to change transponder frequency

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Sun Jan 8 17:10:46 CET 2006

Anssi Hannula wrote:
> Anssi Hannula wrote:
>>VDR constantly changes the frequency of one multiplex in DVB-T.
>>Here's an example:
>>Urheilukanava;Suomen Urheilutelevisio
>>But then VDR decides to change it:
>>Dec 29 18:32:48 delta vdr[18069]: changing transponder data of channel
>>22 from T:770000000:0:3:0:2:2:2:1 to T:674000000:0:3:0:2:2:2:1
>>And then of course the channels stop being watchable.
>>I took a dvbsnoop on PID 16 to grab the NIT tables (or whatever they're
>>The two SECT-packets which are looped in the PID 16 are both in:
>>BTW, I put a debug output entry in nit.c line 173 to grab the frequency
>>returned by getFrequency(), and I get these kind of results:
>>FREQUENCY, 562000000
>>FREQUENCY, 658000000
>>FREQUENCY, 674000000
>>However the correct frequencies of the muxes are 490000, 578000, and
>>770000. However I've no idea why mux3 is the only one of which frequency
>>VDR tries to change.
> @Klaus, are you going to investigate this?

Well, it's certainly easier to debug if one can actually
receive these channels and run tests with live data.
Since I don't have DVB-T (and certainly can't receive these
channels) I'd appreciate if somebody else could look into


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