<div dir="ltr">Dear Colin,<div><br></div><div>I'm using RTSP over HTTP, and by looking at the packets dumped by wireshark.</div><div>I saw something like this:</div><div><br></div><div><div>RTSP/1.0 200 OK</div>
<div>CSeq: 4</div><div>Date: Thu, Jun 27 2013 05:29:16 GMT</div><div>Transport: RTP/AVP/TCP;unicast;destination=<destination address>;source=<source address>;<font color="#ff0000" style>interleaved=0-1</font></div>
<div>Session: <session id></div><div><br></div><div>Hence I think the interleaved mode is used, and the source generated by my camera contains only single video stream (without audio stream).</div><div style>After checking the patch submitted by you in April, I believed that the latest version of live555 contained that patch already.</div>
<div style><br></div><div style>I did try the latest version of live555 (live.2013.07.03.tar.gz), but the result is still the same.</div><div style><br></div><div style>Thank your for your kindly response!</div><div><br>
</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/7/12 Colin Caughie <span dir="ltr"><<a href="mailto:ccaughie@openeye.net" target="_blank">ccaughie@openeye.net</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634">Are you a) using interleaved mode and b) not processing one or more of the streams in the session (e.g. throwing away an audio stream)?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634">If so, it could be the issue I reported here: <a href="http://lists.live555.com/pipermail/live-devel/2013-April/016796.html" target="_blank">http://lists.live555.com/pipermail/live-devel/2013-April/016796.html</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634"><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:live-devel-bounces@ns.live555.com" target="_blank">live-devel-bounces@ns.live555.com</a> [mailto:<a href="mailto:live-devel-bounces@ns.live555.com" target="_blank">live-devel-bounces@ns.live555.com</a>] <b>On Behalf Of </b>West Chen<br>
<b>Sent:</b> Wednesday, July 10, 2013 7:33 PM</span></p><div class="im"><br><b>To:</b> LIVE555 Streaming Media - development & use<br><b>Subject:</b> Re: [Live-devel] CPU usage is high when there are 64 concurrentsessions.<u></u><u></u></div>
<p></p><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">Dear Ross,<u></u><u></u></p><div><div class="h5"><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">I do modify the macro FD_SETSIZE=1024, but the situation is still the same.<u></u><u></u></p>
</div><div><p class="MsoNormal">Or is there any other limitation that might help?<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Thank you for your quick reply!<u></u><u></u></p>
</div></div></div></div><div><div class="h5"><div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div><p class="MsoNormal">2013/7/11 Ross Finlayson <<a href="mailto:finlayson@live555.com" target="_blank">finlayson@live555.com</a>><u></u><u></u></p>
<div><div><p class="MsoNormal">I presume - from your question - that you see high CPU usage *only* when you have a large number of concurrent client connections, but not if you have a small number of concurrent client connections.<u></u><u></u></p>
</div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">If this is the case, then the problem is almost certainly caused by you running into an OS-imposed limit on the number of open files (sockets) that can be used by a single process. See <a href="http://www.live555.com/liveMedia/faq.html#scalability" target="_blank">http://www.live555.com/liveMedia/faq.html#scalability</a><u></u><u></u></p>
</div><p class="MsoNormal"><span><span style="color:#888888"><u></u> <u></u></span></span></p><div><p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#888888">Ross Finlayson<br>
Live Networks, Inc.<br><a href="http://www.live555.com/" target="_blank">http://www.live555.com/</a></span><span style="color:#888888"> </span><u></u><u></u></p></div><p class="MsoNormal"><u></u> <u></u></p></div><p class="MsoNormal" style="margin-bottom:12.0pt">
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