On Monday 22 May 2006 20:34, Manu Abraham wrote: > Hello Andrew, > > Andrew de Quincey wrote: > > On Monday 22 May 2006 14:21, Johannes Stezenbach wrote: > >> On Mon, May 22, 2006, Klaus Schmidinger wrote: > >>> Johannes Stezenbach wrote: > >>>> ... > >>>> I also say it again: I am deeply dissatisfied that none > >>>> of the people you mentioned at the bottom of > >>>> http://linuxtv.org/pipermail/linux-dvb/2006-May/010076.html > >>>> seem to care enough to participate in the discussion. > >>>> (Not to mention that app developers also don't > >>>> seem to care -- after all these are the ones who'll have > >>>> to deal with the new API.) > >>>> > >>>> Maybe we should just put the API change off for now. :-( > >>> > >>> Well, as an application developer (VDR) I'd like to be able to > >>> support DVB-S2, but I guess my knowledge about all this is too > >>> limited to understand what this heated debate is all about. > >>> > >>> I always thought that DVB-S2 is just "DVB-S with a new modulation", > >> > >> IMHO the current use of DVB-S2 is just that, i.e. basically > >> the difference between the satellite_delivery_descriptor > >> as defined in EN 300 468 version 1.5.1 vs. 1.7.1. > >> > >> (So it's actually not just a new modulation but also > >> the new roll-off factor.) > >> > >> Current use of DVB-S2 to my knowledge is Premiere HD on Astra 19.2E. > >> If someone know other *current* uses of DVB-S2 please speak up. > > > > Astra 28.2E has S2 streams. In the UK, nearly all of Sky's HDTV streams > > are S2 - so its pretty obvious where they're heading with that. > > > > I will check if the S2 descriptors are used in those NITs. > > we have 2 modes. > > (1) Normative Broadcast Mode (NBC-BS) > (2) Backward Compatible Mode > > Only in Normative Broadcast Mode, we do have a S2 satellite delivery > system descriptor. > > In the backwards compatible mode it is just DVB-S alone. There is only 1 > stream in this case Would such a stream be decodable by a DVB-S demod? If so, the Sky streams _cannot_ be decoded by a DVB-S demod - already tried it :) [snip] _______________________________________________ linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
