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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">We also had the same issue with live555 (many people had!). We had the issue with Linux only. We were greatly helped with the explanation of these 2 links.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:#17375E;mso-style-textfill-fill-color:#17375E;mso-style-textfill-fill-alpha:100.0%"><a href="http://www.nmsl.cs.ucsb.edu/MulticastSocketsBook/"><span style="color:#17375E;mso-style-textfill-fill-color:#17375E;mso-style-textfill-fill-alpha:100.0%"><span style="color:windowtext">http://www.nmsl.cs.ucsb.edu/MulticastSocketsBook/</span></span></a></span><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:#17375E;mso-style-textfill-fill-color:#17375E;mso-style-textfill-fill-alpha:100.0%"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:#17375E;mso-style-textfill-fill-color:#17375E;mso-style-textfill-fill-alpha:100.0%"><a href="http://stackoverflow.com/questions/2741936"><span style="color:#17375E;mso-style-textfill-fill-color:#17375E;mso-style-textfill-fill-alpha:100.0%"><span style="color:windowtext">http://stackoverflow.com/questions/2741936</span></span></a></span><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:#17375E;mso-style-textfill-fill-color:#17375E;mso-style-textfill-fill-alpha:100.0%"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif";color:black">Look at the
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">mcreceive.c example of the first link that shows how to solve the issue.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Basically we did a minor change in the live555 library such that the
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">setupDatagramSocket method in GrousockHelper do bind with the multicast group address if Linux. This solved the issue.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">You can also check this thread:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><a href="http://lists.live555.com/pipermail/live-devel/2010-October/012630.html"><span style="color:black">http://lists.live555.com/pipermail/live-devel/2010-October/012630.html</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Will give you explanations why Ross thinks this is bad idea to implement the above solution in the live555 library.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">I have include patchs that we used on library released 2009 07 28 that kept the compatibility with the library yet solved the issue. Unfortunately we don’t work
the latest library yet. Hope this help.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">Guy</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> live-devel-bounces@ns.live555.com [mailto:live-devel-bounces@ns.live555.com]
<b>On Behalf Of </b>Miklos Szeles<br>
<b>Sent:</b> Tuesday, August 23, 2011 9:25<br>
<b>To:</b> live-devel@ns.live555.com<br>
<b>Subject:</b> Re: [Live-devel] RTSP multicast problem<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi,<br>
Can anybody help in this issue? We are using CentOS 5.5. Is there any patch available for CentOS which solves this issue?<br>
What other linux distribution works correctly besides FreeBSD?<br>
BR,<br>
Miklós<br>
<br>
2011.08.19. 9:34 keltezéssel, Miklos Szeles írta: <o:p></o:p></p>
<p class="MsoNormal">Thanks for your answer Ross. Can you give some hints regarding the OS kernel fixing? Where/what should we change to solve this issue by patching the kernel?<br>
Best regards,<br>
Miklós<br>
<br>
2011.08.18. 16:47 keltezéssel, Ross Finlayson írta: <o:p></o:p></p>
<p class="MsoNormal">Unfortunately I don't know of a solution to this, other than
<o:p></o:p></p>
<div>
<p class="MsoNormal">1/ Fixing the OS kernel, or<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">2/ Using a different OS (e.g. FreeBSD) that doesn't have the problem, or<o:p></o:p></p>
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<div>
<p class="MsoNormal">3/ Changing at least one of the cameras to use a different port, or<o:p></o:p></p>
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<p class="MsoNormal">4/ Running your two client applications on separate hosts.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal"><span class="apple-style-span"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">Ross Finlayson</span></span><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><br>
<span class="apple-style-span">Live Networks, Inc.</span><br>
<span class="apple-style-span"><a href="http://www.live555.com/">http://www.live555.com/</a></span></span>
<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>live-devel mailing list<o:p></o:p></pre>
<pre><a href="mailto:live-devel@lists.live555.com">live-devel@lists.live555.com</a><o:p></o:p></pre>
<pre><a href="http://lists.live555.com/mailman/listinfo/live-devel">http://lists.live555.com/mailman/listinfo/live-devel</a><o:p></o:p></pre>
<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>Miklós Szeles<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>NETAVIS Kft.<o:p></o:p></pre>
<pre>Web: <a href="http://www.netavis.net">www.netavis.net</a><o:p></o:p></pre>
<pre>Mail: <a href="mailto:mszeles@netavis.hu">mszeles@netavis.hu</a><o:p></o:p></pre>
<pre>Hűvösvölgyi út 54.<o:p></o:p></pre>
<pre>H-1021 Budapest<o:p></o:p></pre>
<pre>Hungary<o:p></o:p></pre>
<pre>Tel: +36 1 225 31 38<o:p></o:p></pre>
<pre>Fax: +36 1 225 31 39<o:p></o:p></pre>
<p class="MsoNormal"><br>
<br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>live-devel mailing list<o:p></o:p></pre>
<pre><a href="mailto:live-devel@lists.live555.com">live-devel@lists.live555.com</a><o:p></o:p></pre>
<pre><a href="http://lists.live555.com/mailman/listinfo/live-devel">http://lists.live555.com/mailman/listinfo/live-devel</a><o:p></o:p></pre>
<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>Miklós Szeles<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>NETAVIS Kft.<o:p></o:p></pre>
<pre>Web: <a href="http://www.netavis.net">www.netavis.net</a><o:p></o:p></pre>
<pre>Mail: <a href="mailto:mszeles@netavis.hu">mszeles@netavis.hu</a><o:p></o:p></pre>
<pre>Hűvösvölgyi út 54.<o:p></o:p></pre>
<pre>H-1021 Budapest<o:p></o:p></pre>
<pre>Hungary<o:p></o:p></pre>
<pre>Tel: +36 1 225 31 38<o:p></o:p></pre>
<pre>Fax: +36 1 225 31 39<o:p></o:p></pre>
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