[mythtv] Current DVB problems rundown
Rudy Zijlstra
mythtv at edsons.demon.nl
Sun Sep 11 07:12:08 UTC 2005
Kenneth Aafløy wrote:
>Lørdag 10 september 2005 08:04, skrev Daniel Kristjansson:
>
>
>Hu, the NIT can take a huge time to get, why not SDT as that's transmitted
>more frequently, or event the PAT?
>
>
>
On a slight tangent: NIT scanning has its own pro's: Many of the Astra
and hotbird sats have very different customers. These customers use
different CA systems. Normally when you want to receive encrypted
streams, you will buy an CI module for 1 provider (= 1 particular
customer of the satellite). Enabling receiving encrypted streams in myth
will give you *all* encrypted streams, including most you cannot
decrypt: different CAS, different EMMs.... This could be solved by doing
a NIT scan: first check which NITs are present, then present the user
with a list of NIT (NIT network id, original network id and descriptor)
and let him select which NIT he wants to have. Only channels within the
users subscription (or at least from the same broadcaster) will be added
at that point.
Cheers,
Rudy
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