[mythtv-users] Output to h.264

[mike at grounded.net]

> Try not to think in terms of A/V. I would consider this more of a data
> transfer; request and fulfillment.

Fair enough, so just like any other RTP based service, voip for example. 
 
> When the UPnP device requests it, yes, Myth will send data to it. The
> UPnP is not picking anything up; it's receiving the data that it
> requested -- data that is sent directly to it, and nowhere else. If
> you have a second UPnP device request the same channel, a second
> stream will be sent to the second device (creating twice the LAN
> traffic).

Got it and yes, that's exactly what I'm looking for. For example, just like some of the voip stuff I do, there is an authentication process, what amounts to a heartbeat and RTP only after calls are established.