本文整理汇总了C++中RtcpHeader::getSeqnumCycles方法的典型用法代码示例。如果您正苦于以下问题：C++ RtcpHeader::getSeqnumCycles方法的具体用法？C++ RtcpHeader::getSeqnumCycles怎么用？C++ RtcpHeader::getSeqnumCycles使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类RtcpHeader的用法示例。
在下文中一共展示了RtcpHeader::getSeqnumCycles方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: analyzeFeedback
void RtcpProcessor::analyzeFeedback(char *buf, int len) {
RtcpHeader *chead = reinterpret_cast<RtcpHeader*>(buf);
if (chead->isFeedback()) {
uint32_t sourceSsrc = chead->getSourceSSRC();
// We try to add it just in case it is not there yet (otherwise its noop)
this->addSourceSsrc(sourceSsrc);
boost::mutex::scoped_lock mlock(mapLock_);
boost::shared_ptr<RtcpData> theData = rtcpData_[sourceSsrc];
boost::mutex::scoped_lock lock(theData->dataLock);
struct timeval now;
gettimeofday(&now, NULL);
char* movingBuf = buf;
int rtcpLength = 0;
int totalLength = 0;
int partNum = 0;
uint32_t calculatedlsr, delay, calculateLastSr;
do {
movingBuf+=rtcpLength;
chead = reinterpret_cast<RtcpHeader*>(movingBuf);
rtcpLength = (ntohs(chead->length)+1) * 4;
totalLength += rtcpLength;
switch(chead->packettype){
case RTCP_SDES_PT:
ELOG_DEBUG("SDES");
break;
case RTCP_BYE:
ELOG_DEBUG("BYE");
break;
case RTCP_Receiver_PT:
theData->rrsReceivedInPeriod++;
if (chead->getSourceSSRC() == rtcpSource_->getVideoSourceSSRC()){
ELOG_DEBUG("Analyzing Video RR: PacketLost %u, Ratio %u, partNum %d, blocks %d, sourceSSRC %u, ssrc %u", chead->getLostPackets(), chead->getFractionLost(), partNum, chead->getBlockCount(), chead->getSourceSSRC(), chead->getSSRC());
}else{
ELOG_DEBUG("Analyzing Audio RR: PacketLost %u, Ratio %u, partNum %d, blocks %d, sourceSSRC %u, ssrc %u", chead->getLostPackets(), chead->getFractionLost(), partNum, chead->getBlockCount(), chead->getSourceSSRC(), chead->getSSRC());
}
theData->ratioLost = theData->ratioLost > chead->getFractionLost()? theData->ratioLost: chead->getFractionLost();
theData->totalPacketsLost = theData->totalPacketsLost > chead->getLostPackets()? theData->totalPacketsLost : chead->getLostPackets();
theData->highestSeqNumReceived = theData->highestSeqNumReceived > chead->getHighestSeqnum()? theData->highestSeqNumReceived : chead->getHighestSeqnum();
theData->seqNumCycles = theData->seqNumCycles > chead->getSeqnumCycles()? theData->seqNumCycles : chead->getSeqnumCycles();
theData->jitter = theData->jitter > chead->getJitter()? theData->jitter: chead->getJitter();
calculateLastSr = chead->getLastSr();
calculatedlsr = (chead->getDelaySinceLastSr()*1000)/65536;
for (std::list<boost::shared_ptr<SrData>>::iterator it=theData->senderReports.begin(); it != theData->senderReports.end(); ++it){
if ((*it)->srNtp == calculateLastSr){
uint64_t nowms = (now.tv_sec * 1000) + (now.tv_usec / 1000);
uint64_t sentts = ((*it)->timestamp.tv_sec * 1000) + ((*it)->timestamp.tv_usec / 1000);
delay = nowms - sentts - calculatedlsr;
}
}
if (theData->lastSr==0||theData->lastDelay < delay){
ELOG_DEBUG("Recording DLSR %u, lastSR %u last delay %u, calculated delay %u for SSRC %u", chead->getDelaySinceLastSr(), chead->getLastSr(), theData->lastDelay, delay, sourceSsrc);
theData->lastSr = chead->getLastSr();
theData->delaySinceLastSr = chead->getDelaySinceLastSr();
theData->lastSrUpdated = now;
theData->lastDelay = delay;
}else{
// ELOG_DEBUG("Not recording delay %u, lastDelay %u", delay, theData->lastDelay);
}
break;
case RTCP_RTP_Feedback_PT:
ELOG_DEBUG("RTP FB: Usually NACKs: %u, partNum %d", chead->getBlockCount(), partNum);
ELOG_DEBUG("PID %u BLP %u", chead->getNackPid(), chead->getNackBlp());
theData->shouldSendNACK = true;
theData->nackSeqnum = chead->getNackPid();
theData->nackBlp = chead->getNackBlp();
theData->requestRr = true;
break;
case RTCP_PS_Feedback_PT:
// ELOG_DEBUG("RTCP PS FB TYPE: %u", chead->getBlockCount() );
switch(chead->getBlockCount()){
case RTCP_PLI_FMT:
ELOG_DEBUG("PLI Message, partNum %d", partNum);
// 1: PLI, 4: FIR
theData->shouldSendPli = true;
break;
case RTCP_SLI_FMT:
ELOG_DEBUG("SLI Message");
break;
case RTCP_FIR_FMT:
ELOG_DEBUG("FIR Message");
break;
case RTCP_AFB:
{
char *uniqueId = (char*)&chead->report.rembPacket.uniqueid;
if (!strncmp(uniqueId,"REMB", 4)){
uint64_t bitrate = chead->getBrMantis() << chead->getBrExp();
ELOG_DEBUG("Received REMBO %lu", bitrate);
if ((bitrate < theData->reportedBandwidth) || theData->reportedBandwidth==0){
ELOG_DEBUG("Should send Packet REMB, before BR %lu, will send with Br %lu", theData->reportedBandwidth, bitrate);
theData->reportedBandwidth = bitrate;
theData->shouldSendREMB = true;
}
}
else{
ELOG_DEBUG("Unsupported AFB Packet not REMB")
//.........这里部分代码省略.........
示例2: analyzeFeedback
int RtcpAggregator::analyzeFeedback(char *buf, int len) {
RtcpHeader *chead = reinterpret_cast<RtcpHeader*>(buf);
if (chead->isFeedback()) {
if (chead->getBlockCount() == 0 && (chead->getLength()+1) * 4 == len) {
ELOG_DEBUG("Ignoring empty RR");
return 0;
}
uint32_t sourceSsrc = chead->getSourceSSRC();
// We try to add it just in case it is not there yet (otherwise its noop)
this->addSourceSsrc(sourceSsrc);
boost::mutex::scoped_lock mlock(mapLock_);
boost::shared_ptr<RtcpData> theData = rtcpData_[sourceSsrc];
boost::mutex::scoped_lock lock(theData->dataLock);
uint64_t nowms = ClockUtils::timePointToMs(clock::now());
char* movingBuf = buf;
int rtcpLength = 0;
int totalLength = 0;
int partNum = 0;
uint16_t currentNackPos = 0;
uint16_t blp = 0;
uint32_t lostPacketSeq = 0;
uint32_t delay = 0;
uint32_t calculatedlsr, calculateLastSr, extendedSeqNo;
do {
movingBuf += rtcpLength;
chead = reinterpret_cast<RtcpHeader*>(movingBuf);
rtcpLength = (ntohs(chead->length) + 1) * 4;
totalLength += rtcpLength;
switch (chead->packettype) {
case RTCP_SDES_PT:
ELOG_DEBUG("SDES");
break;
case RTCP_BYE:
ELOG_DEBUG("BYE");
break;
case RTCP_Receiver_PT:
theData->rrsReceivedInPeriod++;
if (rtcpSource_->isVideoSourceSSRC(chead->getSourceSSRC())) {
ELOG_DEBUG("Analyzing Video RR: PacketLost %u, Ratio %u, partNum %d, blocks %d, sourceSSRC %u, ssrc %u",
chead->getLostPackets(), chead->getFractionLost(), partNum, chead->getBlockCount(),
chead->getSourceSSRC(), chead->getSSRC());
} else {
ELOG_DEBUG("Analyzing Audio RR: PacketLost %u, Ratio %u, partNum %d, blocks %d, sourceSSRC %u, ssrc %u",
chead->getLostPackets(), chead->getFractionLost(), partNum, chead->getBlockCount(),
chead->getSourceSSRC(), chead->getSSRC());
}
theData->ratioLost = theData->ratioLost > chead->getFractionLost() ?
theData->ratioLost : chead->getFractionLost();
theData->totalPacketsLost = theData->totalPacketsLost > chead->getLostPackets() ?
theData->totalPacketsLost : chead->getLostPackets();
extendedSeqNo = chead->getSeqnumCycles();
extendedSeqNo = (extendedSeqNo << 16) + chead->getHighestSeqnum();
if (extendedSeqNo > theData->extendedSeqNo) {
theData->extendedSeqNo = extendedSeqNo;
theData->highestSeqNumReceived = chead->getHighestSeqnum();
theData->seqNumCycles = chead->getSeqnumCycles();
}
theData->jitter = theData->jitter > chead->getJitter()? theData->jitter: chead->getJitter();
calculateLastSr = chead->getLastSr();
calculatedlsr = (chead->getDelaySinceLastSr() * 1000) / 65536;
for (std::list<boost::shared_ptr<SrDelayData>>::iterator it = theData->senderReports.begin();
it != theData->senderReports.end(); ++it) {
if ((*it)->sr_ntp == calculateLastSr) {
uint64_t sentts = (*it)->sr_send_time;
delay = nowms - sentts - calculatedlsr;
}
}
if (theData->lastSr == 0 || theData->lastDelay < delay) {
ELOG_DEBUG("Recording DLSR %u, lastSR %u last delay %u, calculated delay %u for SSRC %u",
chead->getDelaySinceLastSr(), chead->getLastSr(), theData->lastDelay, delay, sourceSsrc);
theData->lastSr = chead->getLastSr();
theData->delaySinceLastSr = chead->getDelaySinceLastSr();
theData->last_sr_updated = nowms;
theData->lastDelay = delay;
} else {
// ELOG_DEBUG("Not recording delay %u, lastDelay %u", delay, theData->lastDelay);
}
break;
case RTCP_RTP_Feedback_PT:
{
ELOG_DEBUG("RTP FB: Usually NACKs: %u, partNum %d", chead->getBlockCount(), partNum);
ELOG_DEBUG("NACK PID %u BLP %u", chead->getNackPid(), chead->getNackBlp());
// We analyze NACK to avoid sending repeated NACKs
blp = chead->getNackBlp();
theData->shouldSendNACK = false;
std::pair<std::set<uint32_t>::iterator, bool> ret;
ret = theData->nackedPackets_.insert(chead->getNackPid());
if (ret.second) {
ELOG_DEBUG("We received PID NACK for unacked packet %u", chead->getNackPid());
theData->shouldSendNACK = true;
} else {
if (theData->nackedPackets_.size() >= MAP_NACK_SIZE) {
while (theData->nackedPackets_.size() >= MAP_NACK_SIZE) {
theData->nackedPackets_.erase(theData->nackedPackets_.begin());
}
}
ELOG_DEBUG("We received PID NACK for ALREADY acked packet %u", chead->getNackPid());
//.........这里部分代码省略.........