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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I am trying to solve a crash in my code that shows up at the line indicated in MyultiFramedRTPSource.cpp from the 2013.03.07 livee555 code. I had this same issue with the 2012.02.29, so I updated. <span style='font-size:10.0pt;font-family:Consolas;color:black'>When I inspected the packet before the update, it was always the fBuf value that was 0xddddddd but this time absolutely everything looks valid.</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:blue'>class</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> ReorderingPacketBuffer {<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:blue'>public</span><span style='font-size:10.0pt;font-family:Consolas;color:black'>:<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> ReorderingPacketBuffer(BufferedPacketFactory* packetFactory);<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>virtual</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> ~ReorderingPacketBuffer();<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>void</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> reset();<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> BufferedPacket* getFreePacket(MultiFramedRTPSource* ourSource);<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> Boolean storePacket(BufferedPacket* bPacket);<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> BufferedPacket* getNextCompletedPacket(Boolean& packetLossPreceded);<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>void</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> releaseUsedPacket(BufferedPacket* packet);<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>void</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> freePacket(BufferedPacket* packet) {<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>if</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> (packet != fSavedPacket) {<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>delete</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> packet; <<</span><span style='font-size:10.0pt;font-family:Wingdings;color:black'>ß</span><span style='font-size:10.0pt;font-family:Consolas;color:black'>-----------Access violation here<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> } </span><span style='font-size:10.0pt;font-family:Consolas;color:blue'>else</span><span style='font-size:10.0pt;font-family:Consolas;color:black'> {<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> fSavedPacketFree = True;<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> }<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'> }<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'>The 0xdddddddd is a magic value placed in pointer locations by the debug runtime to signal that the memory the pointer points to has already been released. To make it easier to find. <o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'>The only thing I can see is that the packet size is 20000 but the memory at that location is only 23 bytes and the rest is the cdcdcd… pattern which is “Clean memory” it means it is newly initialized and so even that looks ok.<o:p></o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:Consolas;color:black'>Any suggestions on how to track this down? This was after a few minutes of streaming video.<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> Jeff Shanab, Manager-Software Engineering<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> D 630.633.4515 | C 630.453.7764 | F 630.633.4815 | <a href="mailto:jshanab@smartwire.com">jshanab@smartwire.com</a><o:p></o:p></span></p><p class=MsoNormal><img border=0 width=626 height=90 id="Picture_x0020_1" src="cid:image001.gif@01CE1EF0.DF1F0720" alt=MVSSig><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div><P>This message and any attachments contain confidential and proprietary
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