Hi Ross, I know you don't like valgrind tool, but it reports use of uninitialized memory :
Conditional jump or move depends on uninitialised value(s) (see: http://valgrind.org/docs/manual/mc-manual.html#mc-manual.uninitvals) at 0x1036E23: RTCPInstance::enqueueReportBlock(RTPReceptionStats*) (RTCP.cpp:811) by 0x1036D17: RTCPInstance::enqueueCommonReportSuffix() (RTCP.cpp:782) by 0x1036BCC: RTCPInstance::addRR() (RTCP.cpp:744) by 0x1036A3A: RTCPInstance::addReport() (RTCP.cpp:710) by 0x1036767: RTCPInstance::sendReport() (RTCP.cpp:627) by 0x1037594: SendRTCPReport (RTCP.cpp:965) by 0x10379C2: OnExpire (rtcp_from_spec.c:202) by 0x103740E: RTCPInstance::onExpire1() (RTCP.cpp:926) by 0x10369B7: RTCPInstance::onExpire(RTCPInstance*) (RTCP.cpp:693) by 0x10895D0: AlarmHandler::handleTimeout() (BasicTaskScheduler0.cpp:34) by 0x1088419: DelayQueue::handleAlarm() (DelayQueue.cpp:184) by 0x108714D: BasicTaskScheduler::SingleStep(unsigned int) (BasicTaskScheduler.cpp:205) by 0x10854E3: BasicTaskScheduler0::doEventLoop(char*) (BasicTaskScheduler0.cpp:81) Uninitialised value was created by a heap allocation at 0x4C27CC1: operator new(unsigned long) (vg_replace_malloc.c:261) by 0x1026FCF: RTPReceptionStatsDB::noteIncomingSR(unsigned int, unsigned int, unsigned int, unsigned int) (RTPSource.cpp:134) by 0x103619B: RTCPInstance::incomingReportHandler1() (RTCP.cpp:445) by 0x1035DDE: RTCPInstance::incomingReportHandler(RTCPInstance*, int) (RTCP.cpp:319) by 0x1086D2B: BasicTaskScheduler::SingleStep(unsigned int) (BasicTaskScheduler.cpp:146) by 0x10854E3: BasicTaskScheduler0::doEventLoop(char*) (BasicTaskScheduler0.cpp:81) A way to fix this is to initialize void RTPReceptionStats::init(u_int32_t SSRC) { fSSRC = SSRC; fTotNumPacketsReceived = 0; fTotBytesReceived_hi = fTotBytesReceived_lo = 0; + fBaseExtSeqNumReceived = 0; + fHighestExtSeqNumReceived = 0; fHaveSeenInitialSequenceNumber = False; Another way could be to check fHaveSeenInitialSequenceNumber in accessors, it's up to you. Best Regards, Michel. [@@ THALES GROUP INTERNAL @@]
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