[mythtv] dvb-c scanning problems

[Markus Schulz]

Am Samstag, 12. Mai 2007 schrieb Rudy Zijlstra:
> Markus Schulz wrote:
> > hello,
> >
> > i've some trouble with transponder scans on my dvb-c network.
> >
> > My provider broadcasts wrong NIT(-other) data, it comes directly
> > from satelit and therefore is completely wrong for my
> > cable-network. Also scanning with a correctely prefilled
> > dtv_multiplex list breaks all channels and destroys the multiplex
> > list (all mutiplexes are updated with wrong [dvb-s] data).
> > The multiplexes will be overwritten cause the get_dtv_multiplex()
> > (used inside insert_dtv_multiplex to find existing) method dont
> > respect the modulation parameter for dvb. For users with DVB-c
> > _and_ DVB-s cards this should be fixed too.
> >
> > Whats now the best way to solve this? Make it switchable
> > (enable/disable of NIT-processing)? Or better to check if NIT
> > informations are for the same network type what we are scanning and
> > drop the NIT informations if it was for another type?
> >
> > For the latter i've taken a look into SIScan::HandleNIT(), here
> > this could be handled. But i don't know how to detect which
> > network-scan-type is currently running to skip the
> > ChannelUtil::CreateMultiplexes() call if desc.DescriptorTag() was
> > different.
> > HandleNIT seems to be called thru QT-Events, but don't find from
> > which place. Can someone give me a hint?
> >
> >
> > Whats the general way for scanning dvb-[cst] with an empty
> > mulitplex list from users-point of view?
> > I think it would be nice to support the transponder lists from
> > dvb-utils package and let the user choose a transponder list based
> > on his region.
>
> Let me guess......
>
> 1/ Germany
> 2/ small private cable network
> 3/ no affiliation of this network with either KDG, KBW, unity media,
> ...

yes, all correct.

> Solution:
> create a script to:

you misunderstood me. I want to solve this problem in general and not 
workaround it (i have my correct station list already).

-- 
Markus Schulz

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