[mythtv] [PATCH] Enable recording of encrypted channels withoutdecrypting them first.
belcampo at zonnet.nl
Fri Jul 16 12:02:51 UTC 2010
wf_myth_user at online.nl wrote:
>>> 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.
>> Not quite. (1) would be perfectly fine in the states, were it
>> available. Instead, we have CableCard, which is a full fledged DRM
>> scheme. It requires that the video be stored in an encrypted format on
>> the disk, and remain in a protected path all the way to the display.
> If option (1) is fine in the states option(2) should be even better.
> Because with the current way things work, the file is stored unencrypted.
> This means anyone who can access this file (mythweb samba nfs etc.) can play
> this file without any restrictions.
> But when the file is stored encrypted only people who have access to a cam
> with smartcard can watch the file.
> So for legal reasons option(2) would be the better solution.
> When looking at it this way it would even make sense to move the cam and
> smartcard to the frontend.
Hhmm, Hhmm, I don't think so if I understand right. I want it to decrypt
at my backend, and be able to also view it with my PopCornHour or
whatever player I prefer.
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