[vdr] Querying CAM doesn't work

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Mon Aug 29 19:11:40 CEST 2005

Heikki Manninen wrote:
> On su, 2005-08-21 at 13:47 +0200, Klaus Schmidinger wrote:
>>The reason why I'd like this to work is because if somebody
>>has more than one device with CAMs that supports a certain encryption
>>method, but only one of them has an actual smart card in it
>>and can thus actually decrypt, it is important that VDR selects the
>>right device. However, it can't do so if the CAM doesn't react
>>on a query.
> One Q&D way to solve this (very real problem, at least for me) would be
> to separate CA and DVB device information in channels.conf. Currently,
> nailing specific channels to a specific device causes VDR to be unaware
> the limitations of receiving an encypted channels which it does take
> into account when CA field specifies the system being used (Conax for
> example).
> Of course, one can have more than one CAM in a particular CI of a
> particular DVB device..

Having two CAMs with the same decryption method in the same
CI is no problem. The first CAM that can actually decrypt
the signal will do so. The problem is only when there are
several different devices with different CIs and CAMs that
support the same decryption method.


More information about the vdr mailing list