[mythtv] DVD-T UK xmltv ids

[John Pullan]

On 05/06/05, Stuart Morgan <stuart at tase.co.uk> wrote:
> On Sun 5 June 2005 11:41, Charlie Brej wrote:
> > Ed W wrote:
> > > So the table ends up looking something like this (give or take I can't
> > > remember the exact syntax)
> > >
> > > || ID || XMLTV_ID || Chan_Name || Icon
> > > || 4212 || bbc1.radiotimes.co.uk || BBC One ||
> > >
> > > http://www.radiotimes.com/icons/bbc1.jpg
> > >
> > > || 3223 || ... etc ... ||
> >
> > Can someone explain to me why we need the stream IDs in the list? When the
> > tuning is done the channel names are picked up automatically anyway and the
> > whole thing can be driven off those.
> 
> Channel names do change from time to time - best example is TMF which has
> undergone three changes in the last 2 months. IDs remain fairly constant but
> vary region to region for some channels - which leads to your next point.
> 
> > Just a simple question of which region you are in in order to set
> > BBC1/BBC2/ITV1.
> 
> By using the IDs we shouldn't have to ask that question - the ID tells us
> which region. BUT it appears there may also be different IDs for the same
> regions which means lots of duplication.
> 
> One argument in favour of using service IDs is my setup. I have changed some
> channel names, and I doubt that I am alone in that.
> 

A complication is that you can't trust service ids either :) We're
lucky in the UK 'cos they do stay constant. TBH we probably need both
with some precedence rules. I think Taylor was planing on adding an
immutable field somewhere to store the service name.
-- 
John