[mythtv] Re: Channel Selection

John Pullan jmp at tarantella.com
Wed Mar 2 09:49:08 UTC 2005


On Tue, 2005-03-01 at 20:07 -0500, Taylor Jacob wrote:
> Quoting Nigel Pearson <nigel at ind.tansu.com.au>:
> > 	Well, yes it is one-time only thing, but setting up
> > MythTV (or migrating to a new version) is only done once!
> > Anything to make it easier?
> 
> Easier is always better..
> 
> > (particularly for countries like Australia with 5 or 6 sets of freq.)
> 
> If you look at siscan.cpp I added a "Full Scan" for ATSC that stepped through
> every frequency posibility, and attempted to get a lock and if channels were
> found it would add them to the DB.. This worked quite well for ATSC since ATSC
> has no NIT type table to know what other channels you should try to get..
> 
> John and I have talked about doing the same thing for DVB (mostly for you
> aussies, but I think the Germans DVB-T implimentation also doesn't have a
> compelte NIT).. The code in siscan for ATSCFullScan is very hard coded right
> now, but it could be adapted for scaning DVB-T.. This all hinges on the
> following:
> 
> Are all of the DVB-T settings (FEC Inner, FEC Outer, etc) the same per country? 
> John and I think they are.. If so you could chose a "full stepping scan" (maybe
> named better) that would let you choose your country and it would know what the
> settings should be and generate a master list to try to scan.. This would make
> scaning a 1 step process for you guys..
> 
Taylor getting amnesia. I've never claimed they were all the same. But I
haven't got to the point where I can test the code and see what happens.



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