Re: [maitai] Roles of Sender and Receiver

At 10:10 AM 12/2/2010, Charles Eckel (eckelcu) wrote:
>The way I have been thinking about it, A would advertise what cameras it
>has and ways it can present them to B. B would then be able to select
>the camera and/or representations it wants.
>As a simplified example, A could advertise the following:
>
>I have 3 cameras, left, center, and right.
>I can provide these as:
>- 3 separate streams

Charles

In this scenario - wouldn't it be more appropriate to switch between 
the streams (i.e., only one is sent at a time) than actually 
transmitting each stream (where only one is consumed), thus 
absolutely reducing network load?

James

>- 1 active speaker switched stream
>- 1 stream composed of the three
>
>Of course there would be audio and many other things to consider, but
>hopefully that gets the general idea across. This allows B to have as
>much of as little control over what it receives as it likes, and it
>should be able to change mid call.
>
>Cheers,
>Charles
>
> > -----Original Message-----
> > From: maitai-bounces@ietf.org [mailto:maitai-bounces@ietf.org] On
>Behalf Of Mike Hammer (hmmr)
> > Sent: Thursday, December 02, 2010 7:34 AM
> > To: Peter Musgrave; maitai@ietf.org
> > Subject: Re: [maitai] Roles of Sender and Receiver
> >
> > Peter,
> >
> > Unless of course it is a company meeting and the speaker is your CEO!
> >
> > Something has to decide what screen tunes into what camera, no matter
> > what.
> >
> > Question is what can be programmed automatic, and what is allowed to
>be
> > manual.
> > And if manual, what information is available to make such a decision.
> >
> > Mike
> >
> >
> > -----Original Message-----
> > From: maitai-bounces@ietf.org [mailto:maitai-bounces@ietf.org] On
>Behalf
> > Of Peter Musgrave
> > Sent: Thursday, December 02, 2010 7:53 AM
> > To: maitai@ietf.org
> > Subject: [maitai] Roles of Sender and Receiver
> >
> > Hi,
> >
> > I have been pondering possible ways of representing a room
>configuration
> > - but I think I need to back up and ask a question about basic interop
> > architecture.
> >
> > In the selection of content on a stream, who is the active decision
> > making entity, sender - or receiver - or both?
> >
> > Consider a three display, 3 camera (3d3c) room A sending to a 1d1c
>room
> > B.
> >
> > Does A offer all three streams to B and let B pick? (This leads in the
> > direction of dynamic changes based on B, which is powerful but leads
>us
> > into continuous control...)
> > Does A determine B has only one display and select which video B
>should
> > get and send only one stream?
> >
> > IHMO an approach which lets B have control over what it gets is more
> > powerful. e.g. If I have heard the pitch from the speaker 100 times, I
> > want to watch the customer and see if they are engaged, rather than
> > watch the active speaker blather on....
> >
> > Peter
> >
> >
> >
> >
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