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<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Hi Engineer sir,<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Excuse me. I am Nancy, I have a question to ask for device about live555.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Now I want to implement multicast streaming over rtsp by live555. I have tried some multicast sample such as testH264VideoStreamer
under testProgs directory, seems that it only support auto multicast streaming<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">but not start multicast steaming after rtsp negotiation.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Then I extend PassiveServerMediaSubsession class, and override startStream/deleteStream methods to start/stop multicast streaming
after receiving PLAY/TEARDOWN request from client. It can work, but I need<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">to do some changes for </span><span lang="EN-US" style="font-family:"Arial","sans-serif";
color:red">PassiveServerMediaSubsession</span><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">.hh
as below. I need to visit members fRTPSink/fRTCPInstance/fClientRTCPSourceRecords in startStream/deleteStream methods, but they are private. So I<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">change them into protected in </span><span lang="EN-US" style="font-family:"Arial","sans-serif";
color:red">PassiveServerMediaSubsession</span><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">.hh.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">changes:<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">......................................<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:red">protected:</span><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"> RTPSink& fRTPSink;<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"> RTCPInstance* fRTCPInstance;<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"> HashTable* fClientRTCPSourceRecords; // indexed by client session id; used to implement RTCP "RR" handling<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">......................................................................................<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Can you help to check whether my changes for PassiveServerMediaSubsession.hh are reasonable and accepted? <o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Thanks very much.<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:black">Qian.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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