> I'm trying to understand cSdtFilter in order to write a channel scanner.

will it the plugin for vdr with possibility to scan dvb-s2 channels ? 

Goga


> I see that when it finds a SI::NVODReferenceDescriptorTag it will add it 
> to the previously found channel with channel->SetLinkChannels, but it 
> only does if it is in the current section (channel is a local variable) 
> while the sdt could span several sections.
> 
>  From the specifications here
> 
> http://neuron2.net/library/mpeg2/iso13818-1.pdf
> 
> and here
> 
> http://www.dvb.org/technology/standards/a005r5.tm1324r13.tr101211.v1.10.1.pdf
> 
> I don't understand if this mechanism is correct, shouldn't the 
> "time_shifted_services" link to the "NVOD_reference"?
> Besides, I don't see that the relation between a channels and its 
> linkchannels is preserved in channels.conf (though I don't really care).
> 
> I also see that cSdtFilter starts processing with the first section, and 
> that shouldn't really be necessary as long as one processes all sections.

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