It seems to me that works nicely for 1-to-1 RTC. It wouldn't even require introduction of RTP/RTSP but can simply be pushing encoded a/v packets over the network as fast as possible on the given URL, which would then be a UDP URL?<br>
<br>I guess for multi-peer RTC a different approach on the network would be required or would it be a full mesh?<br><br>Silvia.<br><br>On Mon, Oct 11, 2010 at 10:43 AM, Justin Uberti <span dir="ltr"><<a href="mailto:juberti@google.com">juberti@google.com</a>></span> wrote:<br>
<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">My idea is that we will tie these various pieces together like a filter chain, i.e.<div><br>
</div>
<div><device> -> [encoder] -> [transport] -> [decoder] -> <video></div><div><br></div><div>where the connections between pieces are made by passing URLs around. (i.e. opening a device yields a URL for a stream, which is supplied to the encoder; at the other end, streams coming from the decoder are identified by a URL, which can then be passed directly to a <video> tag or WebGL texture.)</div>
<div><br></div><div>Other combinations are of course possible, such as direct access to [transport], in the case of a web real-time game, or combining <device> -> encoder -> websocket, for doing live (non-realtime) broadcasts.</div>
<div><br></div><div>We're still figuring out the right interfaces for encoder/decoder; for transport, hopefully the <a href="https://docs.google.com/viewer?url=http://rtc-web.alvestrand.com/papers/juberti-p2ptransport-api.pdf%3Fattredirects%3D0" target="_blank">draft I proposed</a> can serve as a reasonable starting point.</div>
<div><br></div><div><font color="#888888">--justin</font><div><div></div><div class="h5"><br><br><div class="gmail_quote">On Sun, Oct 10, 2010 at 4:26 PM, Stefan Håkansson LK <span dir="ltr"><<a href="mailto:stefan.lk.hakansson@ericsson.com" target="_blank">stefan.lk.hakansson@ericsson.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">That's right, a lot of things remain regarding protocols
and other stuff. But IMHO <device>, StreamAPIs and <audio> and
<video> should be part of the puzzle! </font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">--Stefan</font></span></div><br>
<div dir="ltr" align="left" lang="en-us">
<hr>
<font face="Tahoma" size="2"><b>From:</b> Silvia Pfeiffer
[mailto:<a href="mailto:silviapfeiffer1@gmail.com" target="_blank">silviapfeiffer1@gmail.com</a>] <br><b>Sent:</b> den 11 oktober 2010
01:23<br><b>To:</b> Stefan Håkansson LK<br><b>Cc:</b> Harald Alvestrand;
<a href="mailto:rtc-web@alvestrand.no" target="_blank">rtc-web@alvestrand.no</a>; David Singer<div><div></div><div><br><b>Subject:</b> Re: [RTW] List is now
open<br></div></div></font><br></div><div><div></div><div>
<div></div>Hi Stefan,<br><br>I have seen those, thanks. That's actually the
reason why I asked: because I have already seen it work with the <device>
element and I wondered what the remaining challenges were. It seems there is
lots of discussion about protocols and
codecs.<br><br>Cheers,<br>Silvia.<br><br><br>
<div class="gmail_quote">On Mon, Oct 11, 2010 at 9:49 AM, Stefan Håkansson LK
<span dir="ltr"><<a href="mailto:stefan.lk.hakansson@ericsson.com" target="_blank">stefan.lk.hakansson@ericsson.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="padding-left:1ex;margin:0px 0px 0px 0.8ex;border-left:#ccc 1px solid">
<div bgcolor="#ffffff" text="#000000">
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Silvia,</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">you might
be interested in some experimenting we've done with media streams and
<device>: <a href="https://labs.ericsson.com/developer-community/blog/beyond-html5-conversational-voice-and-video-implemented-webkit-gtk" target="_blank"><font face="Times New Roman" size="3">https://labs.ericsson.com/developer-community/blog/beyond-html5-conversational-voice-and-video-implemented-webkit-gtk</font></a> (you
can track back to earlier posts).</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"></font></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">BR,</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Stefan</font></span></div><br>
<div dir="ltr" align="left" lang="en-us">
<hr>
<font face="Tahoma" size="2"><b>From:</b> <a href="mailto:rtc-web-bounces@alvestrand.no" target="_blank">rtc-web-bounces@alvestrand.no</a> [mailto:<a href="mailto:rtc-web-bounces@alvestrand.no" target="_blank">rtc-web-bounces@alvestrand.no</a>] <b>On Behalf Of </b>Harald
Alvestrand<br><b>Sent:</b> den 9 oktober 2010 10:12<br><b>To:</b> Silvia
Pfeiffer<br><b>Cc:</b> <a href="mailto:rtc-web@alvestrand.no" target="_blank">rtc-web@alvestrand.no</a>; David Singer<br><b>Subject:</b> Re:
[RTW] List is now open<br></font><br></div>
<div>
<div></div>
<div>
<div></div>On 10/09/10 03:17, Silvia Pfeiffer wrote:
<blockquote type="cite">Thanks for the general invite!<br><br>I wonder: has
the HTML5 device element been looked at (<a href="http://dev.w3.org/html5/html-device/" target="_blank">http://dev.w3.org/html5/html-device/</a>) and what are the
problems with that solution?<br></blockquote>We're the ones who have to look -
and some on the list have been closely involved with writing the
<device> spec. It would be surprising to me if they are not part of the
solution - but just part.<br><br>As far as I know, it's still not clear how to
tie a <device> to a media stream - given that media streams aren't
defined yet, this is not very surprising :-)<br><br>
<blockquote type="cite"><br>Cheers,<br>Silvia.<br><br><br>
<div class="gmail_quote">On Sat, Oct 9, 2010 at 5:28 PM, David Singer <span dir="ltr"><<a href="mailto:singer@apple.com" target="_blank">singer@apple.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="padding-left:1ex;margin:0pt 0pt 0pt 0.8ex;border-left:rgb(204,204,204) 1px solid">Cool,
thanks Harald<br><br>as I said during the day, I'd like to separate (as
much as possible) "why is real-time communications on the internet hard?"
(which is true, but a subject the IETF, the ITU, and others are also
grappling with) from "what is interesting/challenging about real-time
communications *in the web*?" -- which I take to mean in pages shown by a
browser.<br><br><br>On Oct 8, 2010, at 4:24 , Harald Alvestrand
wrote:<br><br>> Cullen (I think) has changed the permissions on the
list, so that now everyone can subscribe, and the archives are
open.<br>><br>> If you know of people you think should be on the
list, please ask them to subscribe!<br>><br>> The two ways to
subscribe:<br>><br>> - Send "subscribe" to <a href="mailto:rtc-web-request@alvestrand.no" target="_blank">rtc-web-request@alvestrand.no</a>, and do what the response
says<br>> - Go to <a href="http://www.alvestrand.no/mailman/listinfo/rtc-web" target="_blank">http://www.alvestrand.no/mailman/listinfo/rtc-web</a> and
follow instructions<br>><br>> Let the discussions
begin!<br>><br>>
Harald<br>><br>>
_______________________________________________<br>> RTC-Web mailing
list<br>> <a href="mailto:RTC-Web@alvestrand.no" target="_blank">RTC-Web@alvestrand.no</a><br>> <a href="http://www.alvestrand.no/mailman/listinfo/rtc-web" target="_blank">http://www.alvestrand.no/mailman/listinfo/rtc-web</a><br>
<br>David
Singer<br>Multimedia and Software Standards, Apple
Inc.<br><br>_______________________________________________<br>RTC-Web
mailing list<br><a href="mailto:RTC-Web@alvestrand.no" target="_blank">RTC-Web@alvestrand.no</a><br><a href="http://www.alvestrand.no/mailman/listinfo/rtc-web" target="_blank">http://www.alvestrand.no/mailman/listinfo/rtc-web</a><br>
</blockquote></div><br></blockquote><br></div></div></div></blockquote></div><br></div></div></div>
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</blockquote></div><br>