<div dir="ltr">Fredrick, <br><br>Great, thanks for the info, at least. So, as far as the ONVIF backchannel stuff is concerned: <br><br>I noticed that, per the specification, it requires that one of the streams be a=sendonly (for the "backchannel" stream). What I'm confused about is this in particular. Is this supported by the Live555 media server libraries? To me this means the server itself should be receiving streaming content from the client (right?), but I don't see anything in the server libraries for *receiving* content. <br><br>We've had a pretty basic use case up until now, and so some of these more advanced server features may have escaped me. But, I'm unable to find any way for the server to receive media content from a client in the API. <br><br>Thanks again. </div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jun 2, 2016 at 4:08 AM Frederik De Ruyck <<a href="mailto:frederik.deruyck@vsk.be">frederik.deruyck@vsk.be</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p>No there's no support in LiveMedia yet.</p>
<p>We have to do the same so I'm implementing it myself atm. You can
use the RTSP require tag (which is optional) and Onvif backchannel
(which uses RTSP require).</p>
<p>I hacked it into someone else his startings:
<a href="https://github.com/alb423/live555_20140206" target="_blank">https://github.com/alb423/live555_20140206</a></p>
<p>I won't post my modifications to this github project because the
project is quite sloppy and it got worse because I hard coded a
lot of things.<br>
</p>
<p>I had to add RTSP require fields everywhere it was still missing
in the project (take a look at RTSPClient::setRequestFields,
modify every command if it's backchannel related, add require to
it)</p>
<p>The project uses UDP btw, I don't have it working with tcp yet.<br>
</p>
<p>You will have to learn how LiveMedia works to get it done anyhow.<br>
</p>
<br>
<div>Op 01-Jun-16 om 9:09 PM schreef Ben
Rush:<br>
</div>
<blockquote type="cite"></blockquote></div><div bgcolor="#FFFFFF" text="#000000"><blockquote type="cite">
<div dir="ltr">We have built a RTSP streaming server using
Live555's server libraries: <br>
<br>
....<br>
RTSPServer* rtspServer =
RTSPServer::createNew(*usageEnvironment,
StreamingOptions::PortNumber, NULL);<br>
....
<div><br>
</div>
<div>And so on. Works like a charm and we're very happy with it.
What we're needing now is a solution for two-way audio,
meaning we have a camera viewing a room and we'd like a person
in the room and the person viewing the room to be able to talk
with one another. To reduce overhead we'd like to enable the
audio to be duplex, so it shares the same channel (much like
VOIP). I'm quite certain but I thought I'd ask: there's no
support for this in RTSP and therefore no support for duplex
audio in Live555's server libraries, correct? <br>
<br>
<br>
</div>
</div>
<br>
<fieldset></fieldset>
<br>
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