[vdr] Digital Devices (Linux 4 Media) 4 port (8 tuner) octopus/Duoflex experiences

Lars Hanisch dvb at flensrocker.de
Tue Nov 27 18:42:38 CET 2012


Hi,

Am 27.11.2012 17:56, schrieb Halim Sahin:
> Hi,
> On Tue, Nov 27, 2012 at 10:46:31AM +0100, Ralph Metzler wrote:
>> Halim Sahin writes:
>>  > Hi,
>>  > On Mon, Nov 26, 2012 at 09:20:30PM +0100, Lars Hanisch wrote:
>>  > > Hi,
>>  > > 
>>  > > Am 26.11.2012 20:10, schrieb Halim Sahin:
>>  > > > On Mon, Nov 26, 2012 at 06:20:56PM +0100, Lars Hanisch wrote:
>>  > > >>  My DVB-C/T card is working here for months with no problems. Second
>>  > > >>  dual tuner is ordered... :)
>>  > > > 
>>  > > > What about cam support in vdr for this card???
>>  > > 
>>  > >  It's not implemented yet. You can however redirect the input of one
>>  > >  tuner through the ci, so you can decrypt one
>>  > > transponder.
>>  > 
>>  > Well this is not good news for users in germany because without a
>>  > working cam, you can't watch much channels with dvb-c.
>>  > Don't know but I can't understand, why cam
>>  > handling must be done in userspace for these new cards.
>>
>> CI works fine with the redirect mentioned above. You do not need any 
>> copying in userspace in this case. 
> 
> Well the interface to decrypt an incoming encrypted stream differs from
> other available dvb devices with ci.
> In this case vdr needs to support two diferent ci systems.
> Sending an encrypted stream from memory back to ci and get the decrypted
> stream is nice to have but not the main use case for a dvb card.
> In vdr-portal.de are some posts that redirects using szap czap etc and a
> ci works. Q: is there a working solution for vdr as well?

 If you use the redirect parameter and you take care that the frontend, demux, dvr and ca have the same device numbers,
then vdr can decrypt channels on that device without any changes to vdr or in need of any plugins.

 But you only will be able to decrypt one transponder. Theoretically the CI is able to decrypt multiple transponders,
but for that, vdr has to be extended with some patch and a plugin. I'm afraid there isn't such a plugin at the moment.

Lars.

> Regards
> Halim
> 
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