[linux-dvb] CI API for dvb-device

Ben Backx ben at bbackx.com
Wed Dec 19 21:23:54 CET 2007


I imagine there has to be some sort of translation between the calls of, eg, mythtv and the calls you do to your dvb-device. Or perhaps I'm seeing this wrong...
I've taken a look at ci.txt, but it only concerns twinhan-based cards. I'm wondering if it can be used or adjusted for other hardware.


-----Original Message-----
From: Manu Abraham [mailto:abraham.manu at gmail.com] 
Sent: 18 December 2007 23:13
To: Ben Backx
Cc: linux-dvb at linuxtv.org
Subject: Re: [linux-dvb] CI API for dvb-device

Ben Backx wrote:
> Hello,
> I’m currently working on the development of a linux device driver for a
> DVB-receiver (for the moment, I’m not going to mention brand or product,
> I’m waiting for an official announcement from the company itself, just
> to avoid any troubles).
> For the moment, FTA is almost working, but off course we also would like
> to have support for encrypted channels so we need to control the CI with
> linux.
> Now I’ve noticed there’s a high level API for the twinhan CI, is this
> API in any way generic? Meaning: is it possible to port it to the
> specific device I’m developing for?

Why do you need the High Level API ? The device that you have supports only 
an application layer interface ?

Might be helpful to go through Documentation/dvb/ci.txt


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