Onsdag 14 september 2005 15:20, skrev Daniel Kristjansson: > On Wed, 2005-09-14 at 14:59 +0200, Kenneth Aafløy wrote: > > Onsdag 14 september 2005 03:58, skrev Daniel Kristjansson: > > "CA_system_ID -- This is an 16 bit field indicating the type of CA system > > applicable for either the associated ECM and/or EMM streams. The coding > > of this is privately defined and is not specified by ITU -T | ISO/IEC." > > Arg! So this is a hole in the standard... > > I found a ATSC standard A/70a http://www.atsc.org/standards/a70a.html > No working link to it on the ATSC page.. (security thought obscrurity ;) > Anyway, it offers no help on the System ID, but it does specify that > the CA descriptor is only required in the PMT and CAT for ATSC. > > > Is either "PES packet payload" or transport_scrambling_control set to > > anything other than 0 in those streams? > > The idea was to be able to do this from the tables without looking at > the actual streams.. > > > It could be that they are getting ready for ppv. > > It is illegal for these broadcasters to encrypt main stream. > It looks more like a misconfiguration at the transmitter.
Ah, ok. Looks like ca_system_id = 0 is reserved on DVB anyways, see ETR 162. Another document you should have a look at is ETR 289. These documents is available @ etsi.org, which only requires you to register for free access. Kenneth _______________________________________________ mythtv-dev mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
