[mythtv-users] M3N78-EM HDMI / HDCP with Onkyo TX-SR606

[Simon Hobson]

Jan Schneider wrote:

>>Do you think this setup would work through this receiver without
>>problems with HDCP?
>
>No, it's unlikely that HDCP will ever be supported by Linux. This 
>has nothing to do with the hardware though.

Just to clarify that, and simplifying rather a lot ...

HDCP is a means for the originator of a media stream (eg an HD disk 
player) to determine that the downstream components as far as the 
physical display are all HDCP complaint and have a valid licence key. 
Each component in the chain is responsible for checking that the next 
component is compliant and licenced - and it's a condition of getting 
a licence key (and not having it revoked*) that it does this.

If the source of the media stream is not protected, then none of this 
need take place and the HDCP doesn't have to be invoked. The fact 
that your Linux box doesn't support HDCP doesn't affect it using the 
TV - the TV doesn't care, it just supports HDCP and will respond IF 
the source interrogates it.

* The system allows the disk to carry a list of revoked keys, and the 
player can refuse to play the disk if any component in the chain is 
using one of them.

-- 
Simon Hobson

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