<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div><blockquote type="cite">What is the best way to determine that a proxy server is streaming from <br>an RTSP source?</blockquote><div><br></div></div>The best way is to run, on the computer on which you would run the proxy server<div><span class="Apple-tab-span" style="white-space:pre"> </span>openRTSP -n rtsp://<back-end-stream></div><div>(The "-n" option tells "openRTSP" to display a report (with a beep) when the first RTP packet arrives.)</div><div><br></div><div>If "openRTSP" successfully receives data from the back-end server, then the "LIVE555 Proxy Server" - when run on the same stream - will also receive data (because both "openRTSP" and the "LIVE555 ProxyServer" use the same RTSP client code). (Unless, of course, the back-end server is a buggy 'Vivotek' camera, but you now know to stop using those :-)</div><div><br></div><div>If, however, "openRTSP" fails to receive data from the back-end server, then the problem may be that the back-end server is behind a firewall that is blocking RTP/UDP packets. So instead, try requesting RTP/RTCP-over-TCP streaming, by adding the "-t" option to "openRTSP" - i.e.</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>openRTSP -t -n rtsp://<back-end-stream></div><div>If that works, then adding the "-t" option to the "live555ProxyServer" command line will also work.</div><br><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">Ross Finlayson<br>Live Networks, Inc.<br><a href="http://www.live555.com/">http://www.live555.com/</a></span></span>
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