[vdr] Re: unique channel id

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Ulrich Petri wrote:
> 
> Klaus Schmidinger wrote:
> >
> > Ulrich Petri wrote:
> > >
> > > But this would imply we need some central channel
> > registration, in order
> > > to get updates to the channel data, from one source.
> > > Perhaps this could be done through a web interface?!
> >
> > I don't think such a "central channel registration" is a good idea.
> > What if new channels appear in the data stream? Are you going
> > to wait until some
> > central mechanism has assigned a number to them? And how
> > would you react on actual
> > parameter changes? If, for instance, channels are identified
> > by their NID+PID+SID
> > (plus source and, optionally APID) the system could
> > dynamically update changes in
> > the name, transponder frequency, polarization (or other
> > tuning parameters), VPID
> > and (at least for tv channels) APIDs. The NID+PID+SID already
> > _is_ the unique
> > identification of a channel (again, maybe with the additional
> > APID for channels
> > that break this rule).
> >
> 
> Ok you have a point here.
> Then i would suggest building a hash key from the NID+PID+SID+APID+...
> so we have something that feels more like a "identifier" rather that 5
> diffrent fields to look at.
> 
> What do you think?

Are you seriously suggesting that?
Why should we make it more complicated than necessary?

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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