[linux-dvb] Re: A suggestion required...

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Sat Mar 12 18:26:52 CET 2005

Johannes Stezenbach wrote:
> Manu Abraham wrote:
>>I have been working on the Twinhan and Twinhan clone card drivers, i 
>>mean both FTA and CI based ones..
>>The FTA cards do look like most standard cards, whereas the CI based 
>>cards are a bit different from others..
>>The reason why the CI based cards do differ from the others is that 
>>there is no Transport Layer visible to the driver, but does exists in 
>>some form in the Firmware, and nothing can be done about it ..
>>So here i am at a point, ready to write a layer/library that would make 
>>it more adaptable to DVB applications..
> Since you Cc'd Klaus: VDR already contains a CI library, and I guess
> he's not eager to include another one. It would be nice if you
> could point out to him what needs to be changed in VDR to support
> Twinhan-style CI, or maybe even send him a patch. But you
> better sort that out on the vdr mailing list.
> Johannes

I wouldn't like to implement a special method of CI handling just
for one particular hardware. You should make the interface behave
just like the existing one - then you can use VDR right out of the box.


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