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<div class=Section1>
<p class=MsoNormal><span lang=EN-US>Hello, Ross<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I’m reading liveMedia source code(version
2008.4.3), and have two questions about it<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;
mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span
style='mso-list:Ignore'>(1)<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US>in
RTSPClient::setupMediaSubsession (RTSPClient.cpp, line 956):<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US>subsession.connectionEndpointName() = serverAddressStr;<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US>where the serverAddressStr comes from the transport section of SDP response
of Server.<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US>But in the same function(line 983),<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US>“subsession.setDestinations(fServerAddress)” set
the destination address of the client subsession to fServerAddress<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt'><span lang=EN-US>I searched fServerAddress
and found that it is set in RTSPClient::openConnectionFromURL( line 1792).
fServerAddress comes<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt'><span lang=EN-US>from the RTSP URL.<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt'><span lang=EN-US>So why not set
the mediaSubSession destination address to the address of SETUP response?<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:15.75pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US>If the RTSP URL is more appropriate, then is line 956 redundant?<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:-18.0pt;
mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span
style='mso-list:Ignore'>(2)<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span lang=EN-US>In rtcp_from_spec.c, line 286,
the OnReceive function,<o:p></o:p></span></p>
<p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span
lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>if
(TypeOfEvent(e) == EVENT_BYE) {<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>
*members += 1;<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>}<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>I read RFC3550
A.7, it has the same code above.<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>Why not should
it be:<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>if
(TypeOfEvent(e) == EVENT_BYE) {<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>
*members -= 1;<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US>}<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:18.0pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-indent:18.0pt'><span lang=EN-US>Thanks.<o:p></o:p></span></p>
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