media tool requirement

[Rick Stevens]

Bob I think this is important.

On Thu, 14 Nov 2002, Robert Olson wrote:

> thought I'd throw this out since I've been assuming we'd have do it at some 
> point
> 
> for implementing tight scoping of users, we'd like to be able to quickly 
> and universally change media stream encryption keys on the fly. the thing 
> that makes this hard is the management of transitions so we don't get 
> glitches, espeically in the audio. this will likely require close 
> examination of the data stremas during the transition periods, possibly 
> attempting decoding the streams with both keys until all streams have 
> switched to the new one.
> 
> there is also a communication requirement in that we need to get hte keys 
> pushed out from the venue to all clients in a close-to-synchronized manner, 
> but I'm not as worried about that.
> 
>