[mythtv-users] CielPlus Sky Digibox (UK) Addon decoder card.

Alan Hourihane alanh at fairlite.demon.co.uk
Tue Jul 17 08:15:34 UTC 2007

On Tue, 2007-07-17 at 15:32 +1200, Nick Rout wrote:
> I am intrigued to know if this would work with a New Zealand Sky decoder.
> Some of the local ones are PACE, but there are other brands too.
> Some questions:
> 1. Am I right in saying that these cards intercept the mpeg2 stream after
> the sky box has unencrypted it?

That's how I understand it Nick.

> 2. It sounds from what I have read that you then need to filter PIDS in
> software to see the channels you want. Does this mean that the sky box
> unencrypts the whole stream an a multiplex and then filters PIDS (and
> cielplus gets the stream before filtering?)

That's what I believe.

> 3. If so this would seem more amenable to implementation as a DVB style
> device than a V4L type device.

That's true, but writing a DVB kernel driver is probably no worse than a
V4L driver.

> 4. Alternatively it may be quite easy to use the regular linux DVB tools
> that can already filter PIDS etc. Can't remember the particular commands
> at this moment.

Yup, sounds good.


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