<div><p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman"">Hi</span><span style="font-family:"Times New Roman""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><span style="font-family:"Times New Roman""><font size="4" face="tahoma,sans-serif">Here is maybe a bug when interpret RTP extend packet.</font></span></p><p style="margin-top:0pt;margin-bottom:0pt" class="p0">
<font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman""></span><span style="font-family:"Times New Roman""></span></font></font> </p><p style="margin-top:0pt;margin-bottom:0pt" class="p0">
<font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman"">Version live.2012.05.03</span><span style="font-family:"Times New Roman""></span></font></font></p><p style="margin-top:0pt;margin-bottom:0pt" class="p0">
<span style="font-family:"Times New Roman""><font size="4" face="tahoma,sans-serif">File: MultiFrameRTPSource.cpp</font></span></p><p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman""></span><span style="font-family:"Times New Roman""></span></font></font> </p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman"">line 224: void MultiFrameRTPSource::networkReadHandler1() {</span><span style="font-family:"Times New Roman""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman"">line 225: ......</span><span style="font-family:"Times New Roman""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53"">......</span><span style="font-family:"\005b8b\004f53""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"Times New Roman"">line 268:</span><span style="font-family:"\005b8b\004f53"">  unsigned remExtSize = 4*(extHdr&0xFFFF);</span><span style="font-family:"\005b8b\004f53""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53"">Pls pay attension to <font color="#ff0000"><strong>line 268.</strong></font> Here you calculated RTP packet extension size with extHdr length directly,</span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53"">but it should be network bytes order, need to be transfered to host byte order firstly.</span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53""></span><span style="font-family:"\005b8b\004f53""></span></font></font> </p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53"">E.g:   unsigned remExtSize = 4 * <font color="#ff0000"><strong>ntohs</strong></font>(extHdr & 0xFFFF);</span><span style="font-family:"\005b8b\004f53""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53""></span></font></font> </p><p style="margin-top:0pt;margin-bottom:0pt" class="p0">
<font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53"">How do you think ?</span><span style="font-family:"\005b8b\004f53""></span></font></font></p><p style="margin-top:0pt;margin-bottom:0pt" class="p0">
<font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53""></span></font></font> </p><p style="margin-top:0pt;margin-bottom:0pt" class="p0"><font face="tahoma,sans-serif"><font size="4"><span style="font-family:"\005b8b\004f53"">Br</span><span style="font-family:"\005b8b\004f53""></span></font></font></p>
<p style="margin-top:0pt;margin-bottom:0pt" class="p0"><span style="font-family:"\005b8b\004f53""><font size="4" face="tahoma,sans-serif">Shiyong Zhang</font></span><span style="font-family:"Times New Roman";font-size:10.5pt"></span></p>
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