[mythtv] [PATCH] Enable recording of encrypted channels withoutdecrypting them first.

[James Courtier-Dutton]

On 15 July 2010 21:24, Johan Heikkilä <johan.heikkila at gmail.com> wrote:
> 2010/7/15  <wf_myth_user at online.nl>:
>>
>> My parents PVR5020(Echostar) does exactly this.
>> It can record up to 4 programs at the same time encrypted or not.
>> Each night at 3:00 it decrypts all recordings.
>> If you watch a recording before it is decrypted it decrypts the recording
>> while watching.
>> All with original cam and smartcard from the provider.
>> This is sold as a legal solution here in the Netherlands(Europe).
>>
>> If mythtv could work like this it would be a very very nice feature because
>> it would give the multirec options much more use.
>>
>> Next question is, if you have a DVB-card with a Common Interface.
>> Will the common interface be directly available to mythtv to pass a file
>> true it.
>>
>> Wim
>>
>
> I agree that it would be very convenient. There are occasions when my
> smartcard is not available, e.g. it is removed and used with another
> TV. This causes 0 byte recordings by Mythtv.
>
> Johan

It should be doable.
There is a switch between the tuner and the CAM.
Data can go
1) tuner -> CAM -> PCI -> File -> display.
2) File -> PCI -> CAM -> PCI -> File -> display.
We just need to modify myth to be able to use option (2).
The DVB api already supports both (1) and (2), but it appears that
both (1) and (2) are illegal in the USA because CAM are only
authorised to be in STBs and not PCs.