[vdr] Re: NIT problem with DVB-T

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Sun Dec 11 18:36:09 CET 2005


Javier Marcet wrote:
> * Seppo Ingalsuo <seppo.ingalsuo at iki.fi> [051211 15:22]:
> 
>> If I enable update transponders setting one (C-mux) of the available 
>> three (A,B,C) multiplexes gets updated to non-working frequency. Example:
> 
> 
>> "The 
>> Voice;SBS:770000:I0C23M64B8T8G8Y0:T:27500:513:660=fin:0:0:241:8438:12289:0" 
>>
> 
> 
>> becomes
> 
> 
>> "The 
>> Voice;SBS:674000000:I0C23D23M64B8T8G8Y0:T:27500:513:660=fin:0:0:241:8438:12289:0" 
>>
> 
> 
>> The same happens for other TV and radio channels in the same 
>> frequency. It is funny that the in addition to wrong frequency there 
>> are also three extra zeros in the updated frequency. I contacted the 
>> Finnish operator (Digita) and was lucky to get in contact with a 
>> helpful person. He verified that other NIT data is sent correctly here 
>> in Tampere so I wonder now if the problem is in vdr. He also told that 
>> the NIT data is sent in two parts, first A and B and then C 
>> separately. Could it cause that A and B work but not C.
> 
> 
> Something like this happens in Spain. DVB-T channels are updated by vdr
> with an extra milliard (the thre 0s).
> Actually I see two copies of each channel. The right one with which I
> populate channels.conf to start with and another copy added by vdr with
> the three extra 0s.
> In addition, vdr sometimes updates fully operational channels to wrong
> values, which results in a blank screen.
> 
> All is solved disabling the 'Update channels' option, though.

The question is whether the data in the NIT is wrong, or VDR doesn't
interpret it correctly. Since I can't receive any of these channels here
I'm afraid someone who actually can receive them will have to investigate
this...

Klaus



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