int MyRTPSession::MyRTP_SetUp(MediaSession * media_session)
{
if(!media_session) {
fprintf(stderr, "%s: Invalid media session\n", __func__);
return RTP_ERROR;
}
if(0 == media_session->TimeRate) {
fprintf(stderr, "%s: Invalid MediaSession::TimeRate\n", __func__);
return RTP_ERROR;
}
if(0 == media_session->RTPPort) {
fprintf(stderr, "%s: Invalid MediaSession::RTPPort\n", __func__);
return RTP_ERROR;
}
int status;
// Now, we'll create a RTP session, set the destination
// and poll for incoming data.
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
// IMPORTANT: The local timestamp unit MUST be set, otherwise
// RTCP Sender Report info will be calculated wrong
// In this case, we'll be just use 8000 samples per second.
sessparams.SetOwnTimestampUnit(1.0/media_session->TimeRate);
sessparams.SetAcceptOwnPackets(true);
transparams.SetPortbase(media_session->RTPPort);
status = Create(sessparams,&transparams);
return IsError(status);
}
RTPHandler::RTPHandler(char* di, char* dp)
{
portbase = RCV_PORT;
destip = inet_addr(di);
destport = (uint16_t) atoi(dp);
alive = true;
if (destip == INADDR_NONE)
{
cerr << "Bad IP address specified" << endl;
alive = false;
return;
}
destip = ntohl(destip);
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
sessparams.SetOwnTimestampUnit(1.0/CLK_RATE);
sessparams.SetAcceptOwnPackets(true);
transparams.SetPortbase(portbase);
int e = sess.Create(sessparams,&transparams);
if(error(e)) return;
cout << sessparams.GetMaximumPacketSize()<< endl;
RTPIPv4Address addr(destip,destport);
e = sess.AddDestination(addr);
if(error(e)) return;
}
int CRTPRecv::InitRTP(int Port)
{
RTPUDPv4TransmissionParams TransParams;
RTPSessionParams SessionParams;
//设置本地通讯端口.
TransParams.SetPortbase(Port);
//设置时间戳,每秒钟发送的包数量.
SessionParams.SetOwnTimestampUnit(1.0/90000.0);
SessionParams.SetAcceptOwnPackets(true); //接收自己发送的数据包
//创建RTP对象.
int Result = Create(SessionParams, &TransParams);
if (Result < 0)
{
LOG_ERROR("RTP: "<<RTPGetErrorString(Result));
return -1;
}
//设置默认负载类型.
this->SetMaximumPacketSize(65535);
//this->SetDefaultMark(true);
//this->SetDefaultTimestampIncrement(TIMESTAMP);
//this->SetDefaultPayloadType(H264);
return 0;
}
int main(void)
{
int status,i;
RTPSession s;
RTPSessionParams sessparams;
RTPUDPv4TransmissionParams transparams;
char blaai[100];
transparams.SetPortbase(10000);
sessparams.SetOwnTimestampUnit(1.0/8000.0);
sessparams.SetUsePollThread(true);
sessparams.SetMaximumPacketSize(10000);
status = s.Create(sessparams,&transparams);
s.SetLocalName((const uint8_t *)"Jori Liesenborgs",16);
s.SetLocalEMail((const uint8_t *)"*****@*****.**",20);
s.SetLocalNote((const uint8_t *)"Blaai",5);
s.SetNameInterval(3);
s.SetEMailInterval(5);
s.SetNoteInterval(2);
status = s.AddDestination(RTPIPv4Address(ntohl(inet_addr("192.168.2.115")),5000));
//status = s.AddDestination(RTPIPv4Address(ntohl(inet_addr("127.0.0.1")),7000));
int snd = open("/dev/dsp",O_RDWR);
int val;
val = 0;
status = ioctl(snd,SNDCTL_DSP_STEREO,&val);
val = 8;
status = ioctl(snd,SNDCTL_DSP_SAMPLESIZE,&val);
val = 8000;
status = ioctl(snd,SNDCTL_DSP_SPEED,&val);
val = 7 | (128<<16);
ioctl(snd,SNDCTL_DSP_SETFRAGMENT,&val);
i = 0;
while (i++ < 40000)
{
if (i == 1000)
{
//std::cout <<"Disabling note" << std::endl;
s.SetNoteInterval(0);
}
uint8_t data[PACKSIZE];
RTPTime t1 = RTPTime::CurrentTime();
status = read(snd,data,PACKSIZE);
RTPTime t2 = RTPTime::CurrentTime();
t2 -= t1;
printf("%d.%06d\n",t2.GetSeconds(),t2.GetMicroSeconds());
status = s.SendPacket(data,PACKSIZE,1,false,PACKSIZE);
}
close(snd);
printf("Destroying...\n");
s.BYEDestroy(RTPTime(10,0),(const uint8_t *)"Leaving session",16);
return 0;
}
/***********************************************************************************************************
**函数:Rtp_Lock
**功能:
**输入参数:
**返回值:
***********************************************************************************************************/
static int RtpSetup( uint16_t portbase)
{
int status;
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
sessparams.SetOwnTimestampUnit(1.0/90000.0);
sessparams.SetMaximumPacketSize(1200);
transparams.SetPortbase(portbase);
sess.SetDefaultPayloadType(PLOAD_TYPE);
sess.SetDefaultMark(false);
sess.SetDefaultTimestampIncrement(DefaultTimestampIncrement);
status = sess.Create(sessparams,&transparams);
checkerror(status);
return status;
}
// Create a new RTP session. If multicast is not being used then multicastIP
// should be set to an empty string.
static RTPSession createRtpSession(const std::string& multicastIP,
unsigned int port)
{
RTPSession session;
//if (setenv("LOGNAME", "video", 0) != 0) {
// throw std::runtime_error("Error setting LOGNAME environment variable");
//}
// Set up session params
RTPSessionParams sessionparams;
sessionparams.SetUsePollThread(false);
sessionparams.SetMaximumPacketSize(1400);
sessionparams.SetAcceptOwnPackets(true);
sessionparams.SetOwnTimestampUnit(1.0f/900000.0f);
sessionparams.SetResolveLocalHostname(false);
sessionparams.SetSessionBandwidth(9000000);
sessionparams.SetReceiveMode(RTPTransmitter::AcceptAll);
RTPUDPv4TransmissionParams transparams;
transparams.SetPortbase(port);
int status = session.Create(sessionparams, &transparams);
if (status < 0) {
throw std::runtime_error("Error creating RTP session");
}
// Join multicast groups if they are specified
if (multicastIP.size() > 0) {
if (!session.SupportsMulticasting()) {
throw std::runtime_error("Multicast not supported!");
} else {
int joinip = ntohl(inet_addr(multicastIP.c_str()));
RTPIPv4Address joinaddr(joinip, port);
int jstatus = session.JoinMulticastGroup(joinaddr);
if (jstatus < 0) {
throw std::runtime_error("Unable to join multicast group");
}
}
}
return session;
}
// Maybe this could be used here. Have a try .
void Sender::setRTPParams(){
int status;
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
sessparams.SetOwnTimestampUnit(1.0/25.0);
sessparams.SetAcceptOwnPackets(true);
sessparams.SetUsePredefinedSSRC(true);
// sessparams.SetPredefinedSSRC(SSRC);
transparams.SetPortbase(baseport);
status = this->Create(sessparams, &transparams);
checkerror(status);
RTPIPv4Address addr(dst_ip, destport);
status = this->AddDestination(addr);
checkerror(status);
}
}
int MP3MediaSubSession::InitRTPSession()
{
//setup session parameters
RTPSessionParams sessParams;
sessParams.SetOwnTimestampUnit(1.0 / 8000.0); //30 video frames per second
sessParams.SetUsePollThread(1); // background thread to call virtual callbacks - set by default, but just to be sure
sessParams.SetMaximumPacketSize(MAX_PACKET_SIZE);
//setup transmission parameters
RTPUDPv4TransmissionParams transParams;
transParams.SetPortbase(portNum_);
//CREATE THE SESSION
int errcode = theRTPSession_.Create(sessParams, &transParams);
if ( errcode < 0 )
{
string stdErrStr = RTPGetErrorString(errcode);
RTSPDEBUG("[Error] : %s", stdErrStr.c_str());
return ERR_RTSP_CRAETE_RTP_SESSION; //unable to create the session
}
bool whu_RtpRPicSAg::Init()
{
#ifdef WIN32
WSADATA dat;
WSAStartup(MAKEWORD(2,2),&dat);
#endif // WIN32
RTPSessionParams sessionparams;
sessionparams.SetOwnTimestampUnit(1.0/8000.0);
RTPUDPv4TransmissionParams transparams;
transparams.SetPortbase(m_GLocalPort);
int status = session.Create(sessionparams,&transparams);
if (status < 0)
{
std::cerr << RTPGetErrorString(status) << std::endl;
exit(-1);
}
//uint8_t localip[]={127,0,0,1};
//uint8_t localip[]={192,168,16,3};//̨ʽ»úIP//
//unsigned char sssss[4]={192,168,16,3};
//uint8_t localip[4];
//memcpy(localip,m_GRemoteIpAddRess,4);
RTPIPv4Address addr(m_GRemoteIpAddRess,m_GRemotePort);
status = session.AddDestination(addr);
if (status < 0)
{
std::cerr << RTPGetErrorString(status) << std::endl;
exit(-1);
}
session.SetDefaultPayloadType(96);
session.SetDefaultMark(false);
session.SetDefaultTimestampIncrement(160);
return true;
}
int main(void)
{
#ifdef NEED_PA_INIT
std::string errStr;
if (!MIPPAInputOutput::initializePortAudio(errStr))
{
std::cerr << "Can't initialize PortAudio: " << errStr << std::endl;
return -1;
}
#endif // NEED_PA_INIT
#ifdef WIN32
WSADATA dat;
WSAStartup(MAKEWORD(2,2),&dat);
#endif // WIN32
MIPTime interval(0.020); // We'll use 20 millisecond intervals.
MIPAverageTimer timer(interval);
MIPWAVInput sndFileInput;
MIPSamplingRateConverter sampConv, sampConv2;
MIPSampleEncoder sampEnc, sampEnc2, sampEnc3;
MIPULawEncoder uLawEnc;
MIPRTPULawEncoder rtpEnc;
MIPRTPComponent rtpComp;
MIPRTPDecoder rtpDec;
MIPRTPULawDecoder rtpULawDec;
MIPULawDecoder uLawDec;
MIPAudioMixer mixer;
MIPComponentAlias rtpCompAlias(&rtpComp);
ToggleOutputComponent sndToggleComponent(&sndFileInput);
#ifdef MIPCONFIG_SUPPORT_WINMM
MIPWinMMOutput sndCardOutput;
#else
#ifdef MIPCONFIG_SUPPORT_OSS
MIPOSSInputOutput sndCardOutput;
#else
MIPPAInputOutput sndCardOutput;
#endif
#endif
MyChain chain("Sound file player");
RTPSession rtpSession;
bool returnValue;
// We'll open the file 'soundfile.wav'.
returnValue = sndFileInput.open("soundfile.wav", interval);
checkError(returnValue, sndFileInput);
// We'll convert to a sampling rate of 8000Hz and mono sound.
int samplingRate = 8000;
int numChannels = 1;
returnValue = sampConv.init(samplingRate, numChannels);
checkError(returnValue, sampConv);
// Initialize the sample encoder: the RTP U-law audio encoder
// expects native endian signed 16 bit samples.
returnValue = sampEnc.init(MIPRAWAUDIOMESSAGE_TYPE_S16);
checkError(returnValue, sampEnc);
// Convert samples to U-law encoding
returnValue = uLawEnc.init();
checkError(returnValue, uLawEnc);
// Initialize the RTP audio encoder: this component will create
// RTP messages which can be sent to the RTP component.
returnValue = rtpEnc.init();
checkError(returnValue, rtpEnc);
// We'll initialize the RTPSession object which is needed by the
// RTP component.
RTPUDPv4TransmissionParams transmissionParams;
RTPSessionParams sessionParams;
int portBase = 60000;
int status;
transmissionParams.SetPortbase(portBase);
sessionParams.SetOwnTimestampUnit(1.0/((double)samplingRate));
sessionParams.SetMaximumPacketSize(64000);
sessionParams.SetAcceptOwnPackets(true);
status = rtpSession.Create(sessionParams,&transmissionParams);
checkError(status);
// Instruct the RTP session to send data to ourselves.
status = rtpSession.AddDestination(RTPIPv4Address(ntohl(inet_addr("127.0.0.1")),portBase));
checkError(status);
// Tell the RTP component to use this RTPSession object.
returnValue = rtpComp.init(&rtpSession, 160); // 20ms at 8000Hz = 160 samples per RTP packet
checkError(returnValue, rtpComp);
// Initialize the RTP audio decoder.
returnValue = rtpDec.init(true, 0, &rtpSession);
checkError(returnValue, rtpDec);
// Register the U-law decoder for payload type 0
returnValue = rtpDec.setPacketDecoder(0,&rtpULawDec);
checkError(returnValue, rtpDec);
// Convert U-law encoded samples to linear encoded samples
returnValue = uLawDec.init();
checkError(returnValue, uLawDec);
// Transform the received audio data to floating point format.
returnValue = sampEnc2.init(MIPRAWAUDIOMESSAGE_TYPE_FLOAT);
checkError(returnValue, sampEnc2);
// We'll make sure that received audio frames are converted to the right
// sampling rate.
returnValue = sampConv2.init(samplingRate, numChannels);
checkError(returnValue, sampConv2);
// Initialize the mixer.
returnValue = mixer.init(samplingRate, numChannels, interval);
checkError(returnValue, mixer);
// Initialize the soundcard output.
returnValue = sndCardOutput.open(samplingRate, numChannels, interval);
checkError(returnValue, sndCardOutput);
#ifdef MIPCONFIG_SUPPORT_WINMM
// The WinMM output component uses signed little endian 16 bit samples.
returnValue = sampEnc3.init(MIPRAWAUDIOMESSAGE_TYPE_S16LE);
#else
#ifdef MIPCONFIG_SUPPORT_OSS
// The OSS component can use several encoding types. We'll ask
// the component to which format samples should be converted.
returnValue = sampEnc3.init(sndCardOutput.getRawAudioSubtype());
#else
// The PortAudio output component uses signed 16 bit samples
returnValue = sampEnc3.init(MIPRAWAUDIOMESSAGE_TYPE_S16);
#endif
#endif
checkError(returnValue, sampEnc3);
// Next, we'll create the chain
returnValue = chain.setChainStart(&timer);
checkError(returnValue, chain);
returnValue = chain.addConnection(&timer, &sndToggleComponent);
checkError(returnValue, chain);
returnValue = chain.addConnection(&sndToggleComponent, &sampConv);
checkError(returnValue, chain);
returnValue = chain.addConnection(&sampConv, &sampEnc);
checkError(returnValue, chain);
returnValue = chain.addConnection(&sampEnc, &uLawEnc);
checkError(returnValue, chain);
returnValue = chain.addConnection(&uLawEnc, &rtpEnc);
checkError(returnValue, chain);
returnValue = chain.addConnection(&rtpEnc, &rtpComp);
checkError(returnValue, chain);
returnValue = chain.addConnection(&timer, &rtpCompAlias);
checkError(returnValue, chain);
returnValue = chain.addConnection(&rtpCompAlias, &rtpDec);
checkError(returnValue, chain);
// This is where the feedback chain is specified: we want
// feedback from the mixer to reach the RTP audio decoder,
// so we'll specify that over the links in between, feedback
// should be transferred.
returnValue = chain.addConnection(&rtpDec, &uLawDec, true);
checkError(returnValue, chain);
returnValue = chain.addConnection(&uLawDec, &sampEnc2, true);
checkError(returnValue, chain);
returnValue = chain.addConnection(&sampEnc2, &sampConv2, true);
checkError(returnValue, chain);
returnValue = chain.addConnection(&sampConv2, &mixer, true);
checkError(returnValue, chain);
returnValue = chain.addConnection(&mixer, &sampEnc3);
checkError(returnValue, chain);
returnValue = chain.addConnection(&sampEnc3, &sndCardOutput);
checkError(returnValue, chain);
// Start the chain
returnValue = chain.start();
checkError(returnValue, chain);
// We'll wait until enter is pressed
int num = 10;
for (int i = 0 ; i < num ; i++)
{
std::cout << "iteration " << (i+1) << "/" << num << std::endl;
std::cout << "Press enter for silence" << std::endl;
getc(stdin);
sndToggleComponent.lock();
sndToggleComponent.setEnabled(false);
sndToggleComponent.unlock();
std::cout << "Press enter for sound" << std::endl;
getc(stdin);
sndToggleComponent.lock();
sndToggleComponent.setEnabled(true);
sndToggleComponent.unlock();
}
returnValue = chain.stop();
checkError(returnValue, chain);
rtpSession.Destroy();
// We'll let the destructors of the other components take care
// of their de-initialization.
sndCardOutput.close(); // In case we're using PortAudio
#ifdef NEED_PA_INIT
MIPPAInputOutput::terminatePortAudio();
#endif // NEED_PA_INIT
#ifdef WIN32
WSACleanup();
#endif
return 0;
}
int main(int argc, char ** argv)
{
uint16_t portbase,destport;
uint32_t destip;
std:string ipstr; //get the destiny ip from the std input stream
// NALU_t *n;
printf("Please Enter:./test framenum(500)\n");
if(argc!=2)
{
printf("Please Enter:./test framenum\n");
exit(EXIT_FAILURE);
}
//dev_name=argv[1];
frame_num=atoi(argv[1]); //convert a string to an integer
if(!frame_num)
{
printf("frame_num should be over 0 frame\n");
exit(EXIT_FAILURE);
}
// @0506 here ,there is no need to test YUYV | YUV420 | tmpH264 , for Module Test
//openFiles();
//*****************************************************************************
//****************** the capturing process *****************start*********
printf("capture video begin\n");
open_device();
init_device();
start_capturing();
//fp = fopen(filename, "wa+"); //yuv422
// ***********
//alloc_image();
// ***********
// ***********
//open_x264file("test420.yuv");
init_encoder();
init_picture(yuv_size_2);
// ***********
portbase = 33334;
destport = 9000;
//ipstr = "222.197.174.76";
ipstr = "202.115.11.128";
destip = inet_addr(ipstr.c_str());
//destip = ntohl(destip); ///************** very important **************
destip = htonl(destip);
//********************** get the rtp parameter from std input stream ****above ***
// @2 Setting basic parameter ----------------------------------
RTPUDPv4TransmissionParams transparams;
transparams.SetPortbase(portbase);
RTPSessionParams sessparams;
sessparams.SetOwnTimestampUnit(1.0/90000.0);
status=sess.Create(sessparams,&transparams);
checkerror(status);
RTPIPv4Address addr(destip,destport);
status = sess.AddDestination(addr);
checkerror(status);
sess.SetDefaultPayloadType(96);
sess.SetDefaultMark(false);
sess.SetDefaultTimestampIncrement(90000.0/10.0); // frame rate control 10 / 25
RTPTime delay(0.040);//RTPTime delay(0.040)
//RTPTime::Wait(delay);
RTPTime starttime=RTPTime::CurrentTime();
// // @3.0 Preparation for sending NALU package----------------------------------------------------
// char sendbuf[1500];
// char *nalu_payload;
// int size=0;
// unsigned int timestamp_increase=0,ts_current=0;
// OpenBitstreamFile("test.h264");
// n=AllocNALU(8000000);// alloc memory for the <struct NALU> n->maxSize = 8_000_000 = 8 MB
// int start=false;
// //****************************************************************
//****************** the capturing process ********************end ******
//****************** x264 encode ******************************* start ***
// open_yuvfile(filename);
// alloc_image();
// swscale_start(); // ****** yuv422 -> I420 *******
// swscale_close();
// open_x264file(dst_filename);
// init_encoder();
// init_picture(yuv_size);
// encode_frame(); // **** encode x264 format ***
// close_encoder();
//****************** x264 encode ******************************* end ***
//-----------------------------------------------------------
//@1223--01
struct timeval tpstart,tpend;
float timeuse;
gettimeofday(&tpstart,NULL);
///------ implement capture the pictures next line -----------------------------
tmpFP264 = fopen("softEncodeH264.h264","wb");
mainloop(frame_num); // **** capture frame *****
fclose(tmpFP264);
///-----------------------------------------------------------------------------
gettimeofday(&tpend,NULL);
timeuse=1000000 * (tpend.tv_sec-tpstart.tv_sec) + tpend.tv_usec - tpstart.tv_usec;
timeuse/=1000000;
printf("timeuse total Used Time( Second ):%f\n",timeuse);
//@1223--02
//-----------------------------------------------------------
stop_capturing();
uninit_device();
close_device();
close_encoder();
return 0;
}
void Java_cn_nickwar_MainActivity_nativeWorker(JNIEnv* env, jobject obj) {
uint16_t portbase=8000,destport=9000;
std::string ipstr="192.168.1.102";
uint32_t destip=inet_addr(ipstr.c_str());
int status,i,num;
RTPSession session;
RTPSessionParams sessionparams;
RTPUDPv4TransmissionParams transparams;
RTPIPv4Address addr;
if (destip == INADDR_NONE) {
__android_log_print(ANDROID_LOG_DEBUG, "pspm.native", "Bad IP address specified");
}
destip = ntohl(destip);
num = 40;
sessionparams.SetOwnTimestampUnit(1.0/10.0);
sessionparams.SetAcceptOwnPackets(true);
transparams.SetPortbase(portbase);
addr.SetIP(destip);
addr.SetPort(destport);
status = session.Create(sessionparams,&transparams);
if (status<0) {
std::string tmp = "Create:";
__android_log_print(ANDROID_LOG_DEBUG, "pspm.native", (tmp+RTPGetErrorString(status)).c_str());
}
status = session.AddDestination(addr);
if (status<0) {
std::string tmp = "AddDestination:";
__android_log_print(ANDROID_LOG_DEBUG, "pspm.native", (tmp+RTPGetErrorString(status)).c_str());
}
while(!m_bExitApp)
{
session.BeginDataAccess();
unsigned char *buff = NULL;
if (session.GotoFirstSourceWithData())
{
do
{
RTPPacket *pack;
while((pack = session.GetNextPacket()) !=NULL)
{
__android_log_print(ANDROID_LOG_DEBUG, "pspm.native", "got packet!\n");
char message[26];
sprintf(message, "got packet");
jstring messageString = env->NewStringUTF(message);
env->CallVoidMethod(obj, rtpresultFromJNI, messageString);
if (NULL != env->ExceptionOccurred()) {
// break;
continue;
}
if (pack->GetPayloadLength()>0) {
buff = pack->GetPayloadData();
__android_log_print(ANDROID_LOG_DEBUG, "pspm.native", "packt data:%s",buff);
}
session.DeletePacket(pack);
}
}
while(session.GotoNextSourceWithData());
}
session.EndDataAccess();
//
#ifndef RTP_SUPPORT_THREAD
status = sess.Poll();
if (status<0) {
session.Destroy();
return;
}
#endif
RTPTime::Wait(RTPTime(0,5000));
}
session.Destroy();
return;
}
int main(int argc, char ** argv)
{
uint16_t portbase,destport;
uint32_t destip;
std:string ipstr; //get the destiny ip from the std input stream
// NALU_t *n;
printf("Please Enter:./test framenum(500)\n");
if(argc!=2)
{
printf("Please Enter:./test framenum\n");
exit(EXIT_FAILURE);
}
//dev_name=argv[1];
frame_num=atoi(argv[1]); //convert a string to an integer
if(!frame_num)
{
printf("frame_num should be over 0 frame\n");
exit(EXIT_FAILURE);
}
// @0506 here ,there is no need to test YUYV | YUV420 | tmpH264 , for Module Test
//openFiles();
//*****************************************************************************
//****************** the capturing process *****************start*********
printf("capture video begin\n");
open_device();
init_device();
start_capturing();
//fp = fopen(filename, "wa+"); //yuv422
// ***********
//alloc_image();
// ***********
// ***********
//open_x264file("test420.yuv");
init_encoder();
init_picture(yuv_size_2);
// ***********
portbase = 33334;
destport = 9000;
//ipstr = "222.197.174.76";
// @ 1204 change the ip to the LAN IP
//ipstr = "202.115.11.128";
ipstr = "192.168.5.155";
destip = inet_addr(ipstr.c_str());
//destip = ntohl(destip); ///************** very important **************
destip = htonl(destip);
//********************** get the rtp parameter from std input stream ****above ***
// @2 Setting basic parameter ----------------------------------
RTPUDPv4TransmissionParams transparams;
transparams.SetPortbase(portbase);
RTPSessionParams sessparams;
sessparams.SetOwnTimestampUnit(1.0/90000.0);
status=sess.Create(sessparams,&transparams);
checkerror(status);
RTPIPv4Address addr(destip,destport);
status = sess.AddDestination(addr);
checkerror(status);
sess.SetDefaultPayloadType(96);
sess.SetDefaultMark(false);
sess.SetDefaultTimestampIncrement(90000.0/10.0); // frame rate control 10 / 25
RTPTime delay(0.040);//RTPTime delay(0.040)
//RTPTime::Wait(delay);
RTPTime starttime=RTPTime::CurrentTime();
// // @3.0 Preparation for sending NALU package----------------------------------------------------
// char sendbuf[1500];
// char *nalu_payload;
// int size=0;
// unsigned int timestamp_increase=0,ts_current=0;
// OpenBitstreamFile("test.h264");
// n=AllocNALU(8000000);// alloc memory for the <struct NALU> n->maxSize = 8_000_000 = 8 MB
// int start=false;
// //****************************************************************
mainloop(frame_num); // **** capture frame *****
// fclose(fp);
stop_capturing();
uninit_device();
close_device();
close_encoder();
printf("capture video is over\n");
//****************** the capturing process ********************end ******
//****************** x264 encode ******************************* start ***
// open_yuvfile(filename);
// alloc_image();
// swscale_start(); // ****** yuv422 -> I420 *******
// swscale_close();
// open_x264file(dst_filename);
// init_encoder();
// init_picture(yuv_size);
// encode_frame(); // **** encode x264 format ***
// close_encoder();
//****************** x264 encode ******************************* end ***
/////---------------------------------------------------------------------------------------------------
printf("encode x264 video is over\n");
printf("Wait to jrtpsend....\n");
//****************** RTP send *********************** start **********
// @1 Getting basic parameter -------------------------------
// std::cout<<"Enter local portbase:"<<std::endl;
// std::cin>>portbase;
// std::cout<<std::endl;
// std::cout << "Enter the destination IP address" << std::endl;
// std::cin >> ipstr;
// destip = inet_addr(ipstr.c_str());
// if (destip == INADDR_NONE)
// {
// std::cerr << "Bad IP address specified" << std::endl;
// return -1;
// }
// destip = ntohl(destip);
// std::cout << "Enter the destination port" << std::endl;
// std::cin >> destport;
// portbase = 33333;
// destport = 55555;
// ipstr = "222.197.174.76";
// destip = inet_addr(ipstr.c_str());
// //********************** get the rtp parameter from std input stream ****above ***
// // @2 Setting basic parameter ----------------------------------
// RTPUDPv4TransmissionParams transparams;
// transparams.SetPortbase(portbase);
// RTPSessionParams sessparams;
// sessparams.SetOwnTimestampUnit(1.0/90000.0);
// status=sess.Create(sessparams,&transparams);
// checkerror(status);
// RTPIPv4Address addr(destip,destport);
// status = sess.AddDestination(addr);
// checkerror(status);
// sess.SetDefaultPayloadType(96);
// sess.SetDefaultMark(false);
// sess.SetDefaultTimestampIncrement(90000.0/10.0);
// RTPTime delay(0.030);//RTPTime delay(0.040)
// //RTPTime::Wait(delay);
// RTPTime starttime=RTPTime::CurrentTime();
// // @3.0 Preparation for sending NALU package----------------------------------------------------
// char sendbuf[1500];
// char *nalu_payload;
// int size=0;
// unsigned int timestamp_increase=0,ts_current=0;
// OpenBitstreamFile("test.h264");
// n=AllocNALU(8000000);// alloc memory for the <struct NALU> n->maxSize = 8_000_000 = 8 MB
// int start=false;
// NALU packages sending loop -----------------------------------
// while(!feof(bits))
// {
// size=GetAnnexbNALU(n); // having original souce for this function
// if(size<4)
// {
// printf("get nalu error!\n");
// continue;
// }
// printf("size:%d\n",size);
// dump(n);
// if(!start)
// {
// if(n->nal_unit_type==1||n->nal_unit_type==5||n->nal_unit_type==6||n->nal_unit_type==7)
// {
// printf("begin\n");
// start=true;
// }
// }
// if(n->len <= MAX_RTP_PKT_LENGTH)
// {
// nalu_hdr=(NALU_HEADER *)&sendbuf[0];
// nalu_hdr->F=n->forbidden_bit;
// nalu_hdr->NRI=n->nal_reference_idc>>5;
// nalu_hdr->TYPE=n->nal_unit_type;
// nalu_payload=&sendbuf[1];
// memcpy(nalu_payload,n->buf+1,n->len-1);
// ts_current=ts_current+timestamp_increase;
// if(n->nal_unit_type==1||n->nal_unit_type==5)
// {
// status=sess.SendPacket((void *)sendbuf,n->len,96,true,3600);
// }
// else
// {
// status=sess.SendPacket((void *)sendbuf,n->len,96,true,0);
// continue;
// }
// checkerror(status);
// }
// else if(n->len > MAX_RTP_PKT_LENGTH)
// {
// int k=0,l=0;
// k=n->len/MAX_RTP_PKT_LENGTH;
// l=n->len%MAX_RTP_PKT_LENGTH;
// int t=0;
// while(t<=k)
// {
// if(!t)//first pkt package
// {
// memset(sendbuf,0,1500);
// fu_ind=(FU_INDICATOR *)&sendbuf[0];
// fu_ind->F=n->forbidden_bit;
// fu_ind->NRI=n->nal_reference_idc>>5;
// fu_ind->TYPE=28;//FU-A
// fu_hdr=(FU_HEADER *)&sendbuf[1];
// fu_hdr->E=0;
// fu_hdr->R=0;
// fu_hdr->S=1;
// fu_hdr->TYPE=n->nal_unit_type;
// nalu_payload=&sendbuf[2];
// memcpy(nalu_payload,n->buf+1,MAX_RTP_PKT_LENGTH);
// status=sess.SendPacket((void *)sendbuf,MAX_RTP_PKT_LENGTH+2,96,false,0);
// checkerror(status);
// t++;
// }
// else if(t==k)//last package
// {
// memset(sendbuf,0,1500);
// fu_ind=(FU_INDICATOR *)&sendbuf[0];
// fu_ind->F=n->forbidden_bit;
// fu_ind->NRI=n->nal_reference_idc>>5;
// fu_ind->TYPE=28;//FU-A
// fu_hdr=(FU_HEADER *)&sendbuf[1];
// fu_hdr->R=0;
// fu_hdr->S=0;
// fu_hdr->E=1;
// fu_hdr->TYPE=n->nal_unit_type;
// nalu_payload=&sendbuf[2];
// memcpy(nalu_payload,n->buf+t*MAX_RTP_PKT_LENGTH+1,l-1);
// status=sess.SendPacket((void *)sendbuf,l+1,96,true,3600);
// checkerror(status);
// t++;
// }
// else if( (t<k) && (t!=0) ) //packageS between the first and the last
// {
// memset(sendbuf,0,1500);
// fu_ind=(FU_INDICATOR *)&sendbuf[0];
// fu_ind->F=n->forbidden_bit;
// fu_ind->NRI=n->nal_reference_idc>>5;
// fu_ind->TYPE=28;//FU-A
// fu_hdr=(FU_HEADER *)&sendbuf[1];
// fu_hdr->R=0;
// fu_hdr->S=0;
// fu_hdr->E=0;//E=1
// fu_hdr->TYPE=n->nal_unit_type;
// nalu_payload=&sendbuf[2];
// memcpy(nalu_payload,n->buf+t*MAX_RTP_PKT_LENGTH+1,MAX_RTP_PKT_LENGTH);
// status=sess.SendPacket((void *)sendbuf,MAX_RTP_PKT_LENGTH+2,96,false,0);
// checkerror(status);
// t++;
// }
// }
// }
// RTPTime::Wait(delay);//Wait(delay);
// RTPTime time=RTPTime::CurrentTime();
// time-=starttime;
// if(time>RTPTime(60.0))break;
// }
// // @4 Finish sending NALU package
// printf("Mission over\n");
// delay=RTPTime(10.0);
// sess.BYEDestroy(delay,"Time's up",9);
return 0;
}
int main(void)
{
int packetsPerSecond = 100;
MIPTime interval(1.0/(double)packetsPerSecond); // We'll use 10 millisecond intervals.
MIPAverageTimer timer(interval);
MIPOSCInput oscInput;
MIPOSCEncoder oscEnc;
MIPRTPOSCEncoder rtpEnc;
MIPRTPComponent rtpComp;
MIPRTPDecoder rtpDec;
MIPRTPOSCDecoder rtpOSCDec;
MIPOSCDecoder oscDec;
MIPOSCOutput oscOutput;
MyChain chain("OSC Sender");
RTPSession rtpSession;
bool returnValue;
// Convert Messages to MIPOSCMessages
returnValue = oscEnc.init();
checkError(returnValue, oscEnc);
// Initialize the RTP OSC encoder: this component will create
// RTP messages which can be sent to the RTP component.
returnValue = rtpEnc.init();
checkError(returnValue, rtpEnc);
// We'll initialize the RTPSession object which is needed by the
// RTP component.
RTPUDPv4TransmissionParams transmissionParams;
RTPSessionParams sessionParams;
int portBase = 60000;
int status;
transmissionParams.SetPortbase(portBase);
sessionParams.SetOwnTimestampUnit(1.0/((double)packetsPerSecond));
sessionParams.SetMaximumPacketSize(64000);
sessionParams.SetAcceptOwnPackets(true);
status = rtpSession.Create(sessionParams,&transmissionParams);
checkError(status);
// Instruct the RTP session to send data to ourselves.
status = rtpSession.AddDestination(RTPIPv4Address(ntohl(inet_addr("127.0.0.1")),portBase));
checkError(status);
// Tell the RTP component to use this RTPSession object.
returnValue = rtpComp.init(&rtpSession);
checkError(returnValue, rtpComp);
returnValue = rtpDec.init(false, 0, &rtpSession);
checkError(returnValue, rtpDec);
returnValue = rtpDec.setPacketDecoder(0, &rtpOSCDec);
checkError(returnValue, rtpDec);
returnValue = oscDec.init();
checkError(returnValue, oscDec);
// Next, we'll create the chain
returnValue = chain.setChainStart(&timer);
checkError(returnValue, chain);
returnValue = chain.addConnection(&timer, &oscInput);
checkError(returnValue, chain);
returnValue = chain.addConnection(&oscInput, &oscEnc);
checkError(returnValue, chain);
returnValue = chain.addConnection(&oscEnc, &rtpEnc);
checkError(returnValue, chain);
returnValue = chain.addConnection(&rtpEnc, &rtpComp);
checkError(returnValue, chain);
returnValue = chain.addConnection(&rtpComp, &rtpDec);
checkError(returnValue, chain);
returnValue = chain.addConnection(&rtpDec, &oscDec, true);
checkError(returnValue, chain);
returnValue = chain.addConnection(&oscDec, &oscOutput);
checkError(returnValue, chain);
// Start the chain
returnValue = chain.start();
checkError(returnValue, chain);
// We'll wait until enter is pressed
int counter = 0;
sleep(1);
for(int i=0; i<4; i++) {
lo_message m = lo_message_new();
lo_message_add_int32(m,counter++);
oscInput.push(m, "/testpfad");
sleep(1);
}
getc(stdin);
returnValue = chain.stop();
checkError(returnValue, chain);
rtpSession.Destroy();
return 0;
}
void SipClient::OnCallStarted()
{
if ( IsWorking() )
{
DEBUG_INFO("SipUADemo::OnCallStarted...");
#ifdef WIN32
WSADATA dat;
int iWSRet = WSAStartup(MAKEWORD(2,2),&dat);
ASSERT(iWSRet == 0);
#endif // WIN32
{
VideoCapture cap;
if (cap.EnumDevices(false) > 0)
m_bCaptureAudio = true;
VIDEOSAMPLEINFO vsiLocal;
VIDEOFORMATINFO vfiRemote;
int nVideoDevices = cap.EnumDevices();
HRESULT hr = E_FAIL;
if (nVideoDevices > 0)
hr = cap.GetPreviewInfo(nVideoDevices-1, vsiLocal);
SPRINTF_S(dbg_str,
"Video device detecting: count:%d, HRES:%X"
, nVideoDevices
, hr);
DEBUG_INFO(dbg_str);
//if ( cap.EnumDevices() > 0
// && SUCCEEDED(cap.GetPreviewInfo(cap.EnumDevices()-1, vsiLocal)) )
if ( SUCCEEDED(hr) )
{
m_bCaptureVideo = true;
setVideoSampleInfo(vsiLocal);
//TODO: support codecoder selection (for h264, etc.)
vfiRemote = VIDEOFORMATINFO(
CODEC_FORMAT,
H264_WIDTH,
H264_HEIGHT,
vsiLocal.m_AvgTimePerFrame);
setRemoteVideoFormatInfo(vfiRemote);
}
else
{
//TODO: support codecoder selection (for h264, etc.)
vfiRemote = VIDEOFORMATINFO(
CODEC_FORMAT,
H264_WIDTH,
H264_HEIGHT,
FRAMES_PER_SECOND);
setRemoteVideoFormatInfo(vfiRemote);
}
}
#ifdef RTP_AUDIO_SENDRECV
//Sender
{
if (m_bCaptureAudio)
{
SPRINTF_S(dbg_str,
"Send Audio to [IP]=%s, [Port]=%s"
//", [BasePort]=%s"
, GetRemoteAudioIP().c_str()
, GetRemoteAudioPort().c_str()
//, GetAudioSendPort().c_str()
);
DEBUG_INFO(dbg_str);
uint16_t portbase,destport;
uint32_t destip;
std::string ipstr;
int status;
//ASSERT(GetAudioSendPort().length() > 0);
portbase = 6666 + rand() % 6666;//atoi(GetAudioSendPort().c_str());
if (portbase % 2 == 1)
portbase += 1;
// destination IP address
ipstr = GetRemoteAudioIP();
ASSERT(ipstr.length() > 0);
destip = inet_addr(ipstr.c_str());
if (destip == INADDR_NONE)
{
DEBUG_INFO("Bad IP address specified");
DebugBreak();
}
// The inet_addr function returns a value in network byte order, but
// we need the IP address in host byte order, so we use a call to ntohl
destip = ntohl(destip);
// destination port
ASSERT(GetRemoteAudioPort().length() > 0);
destport = atoi(GetRemoteAudioPort().c_str());
// Now, we'll create a RTP session, set the destination, send some
// packets and poll for incoming data.
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
// IMPORTANT: The local timestamp unit MUST be set, otherwise
// RTCP Sender Report info will be calculated wrong
// In this case, we'll be sending 10 samples each second, so we'll
// put the timestamp unit to (1.0/10.0)
//sessparams.SetOwnTimestampUnit(1.0/8000.0);
sessparams.SetOwnTimestampUnit(TIMESTAMP_INC_UNIT);
//sessparams.SetAcceptOwnPackets(true);
transparams.SetPortbase(portbase);
m_pAudioSender = std::shared_ptr<AudioSendSession>( new AudioSendSession() );
status = m_pAudioSender->Create(sessparams,&transparams);
checkRtpError(status);
RTPIPv4Address addr(destip,destport);
status = m_pAudioSender->AddDestination(addr);
checkRtpError(status);
#ifdef ENABLE_AUDIO_AEC
::SetMicQueue(m_pAudioSender->getMicQueue());
::SetOutQueue(m_pAudioSender->getPackageQueue());
if (::GetUseAEC())
{
::SetRefQueue(m_pAudioSender->getRefQueue());
}
else
{
::SetRefQueue(NULL);
}
#endif//ENABLE_AUDIO_AEC
m_pAudioSender->Start();
}
else
{
#ifdef ENABLE_AUDIO_AEC
if (::GetUseAEC())
{
::SetUseAEC(false);
DEBUG_INFO(L"AEC DIS-ABLED: no device for recording.");
}
::SetMicQueue(m_pAudioSender->getMicQueue());
::SetOutQueue(m_pAudioSender->getPackageQueue());
::SetRefQueue(NULL);
#endif//ENABLE_AUDIO_AEC
}
}
//Receiver
{
SPRINTF_S(dbg_str, "Receive Audio At [BasePort]=%s",
GetAudioReceivePort().c_str());
DEBUG_INFO(dbg_str);
// Setup receiver session
uint16_t portbase;
int status;
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
portbase = atoi(GetAudioReceivePort().c_str());
//SPRINTF_S(dbg_str, "Port Base: %d",
// portbase);
//DEBUG_INFO(dbg_str);
//TODO:
portbase = atoi(GetAudioReceivePort().c_str());
// IMPORTANT: The local timestamp unit MUST be set, otherwise
// RTCP Sender Report info will be calculated wrong
// In this case, we'll be just use 8000 samples per second.
//sessparams.SetOwnTimestampUnit(1.0/8000.0);
sessparams.SetOwnTimestampUnit(TIMESTAMP_INC_UNIT);
transparams.SetPortbase(portbase);
m_pAudioReceiver = std::shared_ptr<AudioReceiveSession>( new AudioReceiveSession() );
status = m_pAudioReceiver->Create(sessparams, &transparams);
checkRtpError(status);
m_pAudioReceiver->Start();
}
#endif//RTP_AUDIO_SENDRECV
#ifdef RTP_VIDEO_SENDER
//Sender
{
if (m_bCaptureVideo)
{
SPRINTF_S(dbg_str,
"Send Video to [IP]=%s, [Port]=%s"
//", [BasePort]=%s"
, GetRemoteVideoIP().c_str()
, GetRemoteVideoPort().c_str()
//, GetVideoSendPort().c_str()
);
DEBUG_INFO(dbg_str);
uint16_t portbase,destport;
uint32_t destip;
std::string ipstr;
int status;
//TODO:
portbase = 8888 + rand() % 8888;//atoi(GetVideoReceivePort().c_str());
if (portbase % 2 == 1)
portbase += 1;
// destination IP address
//ASSERT(GetRemoteIP().length() > 0);
//TODO:
//ipstr = "127.0.0.1";//GetRemoteIP();
//ipstr = "10.148.206.29";
//ipstr = "10.148.206.93";
ipstr = GetRemoteVideoIP();
destip = inet_addr(ipstr.c_str());
if (destip == INADDR_NONE)
{
DEBUG_INFO("Bad IP address specified");
DebugBreak();
}
// The inet_addr function returns a value in network byte order, but
// we need the IP address in host byte order, so we use a call to ntohl
destip = ntohl(destip);
// destination port
//ASSERT(GetRemotePort().length() > 0);
//TODO:
destport = atoi(GetRemoteVideoPort().c_str());
// Now, we'll create a RTP session, set the destination, send some
// packets and poll for incoming data.
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
// IMPORTANT: The local timestamp unit MUST be set, otherwise
// RTCP Sender Report info will be calculated wrong
// In this case, we'll be sending 10 samples each second, so we'll
// put the timestamp unit to (1.0/10.0)
//sessparams.SetOwnTimestampUnit(1.0/8000.0);
sessparams.SetOwnTimestampUnit(TIMESTAMP_INC_UNIT);
//sessparams.SetAcceptOwnPackets(true);
transparams.SetPortbase(portbase);
m_pVideoSender = std::shared_ptr<VideoSendSession>( new VideoSendSession() );
status = m_pVideoSender->Create(sessparams,&transparams);
checkRtpError(status);
RTPIPv4Address addr(destip,destport);
status = m_pVideoSender->AddDestination(addr);
checkRtpError(status);
//VIDEOSAMPLEINFO vsiLocal;
//if ( SUCCEEDED(cap.GetPreviewInfo(cap.EnumDevices()-1, vsiLocal)) )
//{
// setVideoSampleInfo(vsiLocal);
// //TODO: support codecoder selection (for h264, etc.)
// vfiRemote = VIDEOFORMATINFO(
// CODEC_FORMAT,
// H264_WIDTH,
// H264_HEIGHT,
// vsiLocal.m_AvgTimePerFrame);
// setRemoteVideoFormatInfo(vfiRemote);
ASSERT(m_wndPreview != NULL);
m_pVideoSender->SetPreviewWindow(m_wndPreview);
m_pVideoSender->Start();
//}
}
}
#endif//RTP_VIDEO_SENDER
#ifdef RTP_VIDEO_RECEIVER
//Receiver
{
SPRINTF_S(dbg_str,
"Receive Video At [BasePort]=%s"
, GetVideoReceivePort().c_str());
DEBUG_INFO(dbg_str);
// Setup receiver session
uint16_t portbase;
int status;
RTPUDPv4TransmissionParams transparams;
RTPSessionParams sessparams;
//TODO:
portbase = atoi(GetVideoReceivePort().c_str());
//SPRINTF_S(dbg_str, "Port Base: %d",
// portbase);
//DEBUG_INFO(dbg_str);
// IMPORTANT: The local timestamp unit MUST be set, otherwise
// RTCP Sender Report info will be calculated wrong
// In this case, we'll be just use 8000 samples per second.
//sessparams.SetOwnTimestampUnit(1.0/8000.0);
sessparams.SetOwnTimestampUnit(TIMESTAMP_INC_UNIT);
transparams.SetPortbase(portbase);
m_pVideoReceiver = std::shared_ptr<VideoReceiveSession>( new VideoReceiveSession() );
status = m_pVideoReceiver->Create(sessparams, &transparams);
checkRtpError(status);
//VideoCapture cap;
//if (cap.EnumDevices() > 0 )
//{
// // set remote video format already
//}
//else
//{
// //TODO: support codecoder selection (for h264, etc.)
// vfiRemote = VIDEOFORMATINFO(
// CODEC_FORMAT,
// H264_WIDTH,
// H264_HEIGHT,
// FRAMES_PER_SECOND);
// setRemoteVideoFormatInfo(vfiRemote);
//}
ASSERT(m_wndRemote != NULL);
m_pVideoReceiver->SetRemoteWindow(m_wndRemote);
m_pVideoReceiver->Start();
}
#endif//RTP_VIDEO_RECEIVER
if (this->EnableEvents())
mListener->Callback(SIPUA_CALLSTARTED);
DEBUG_INFO("SipUADemo::OnCallStarted DONE");
}
}
int main(int argc, char** argv)
{
#if 0
CRTPSender sender;
string destip_str = "127.0.0.1";
uint32_t dest_ip = inet_addr(destip_str.c_str());
SetRTPParams(sender,dest_ip,DEST_PORT,BASE_PORT);
sender.SetParamsForSendingH264();
#else
RTPSession session;
RTPSessionParams sessionparams;
sessionparams.SetOwnTimestampUnit(1.0/90000.0);
RTPUDPv4TransmissionParams transparams;
transparams.SetPortbase(8000);
int status = session.Create(sessionparams,&transparams);
if (status < 0)
{
std::cerr << RTPGetErrorString(status) << std::endl;
exit(-1);
}
uint8_t localip[]={127,0,0,1};
RTPIPv4Address addr(localip,9000);
status = session.AddDestination(addr);
if (status < 0)
{
std::cerr << RTPGetErrorString(status) << std::endl;
exit(-1);
}
session.SetDefaultPayloadType(96);
session.SetDefaultMark(false);
session.SetDefaultTimestampIncrement(90000.0 /25.0);
RTPTime delay(0.040);
RTPTime starttime = RTPTime::CurrentTime();
#endif
NALU_HEADER *nalu_hdr;
FU_INDICATOR *fu_ind;
FU_HEADER *fu_hdr;
char sendbuf[1500];
char* nalu_payload;
unsigned int timestamp_increse=0,ts_current=0;
#define ddd
OpenBitstreamFile("raw.264");//打开264文件，并将文件指针赋给bits,在此修改文件名实现打开别的264文件。
NALU_t *n;
n = AllocNALU(8000000);//为结构体nalu_t及其成员buf分配空间。返回值为指向nalu_t存储空间的指针
bool start=false;
while(!feof(bits))
{
int size=GetAnnexbNALU(n);//每执行一次，文件的指针指向本次找到的NALU的末尾，下一个位置即为下个NALU的起始码0x000001
if(size<4)
{
printf("get nul error!\n");
continue;
}
dump(n);//输出NALU长度和TYPE
if(!start)
{
if(n->nal_unit_type==5||n->nal_unit_type==6||
n->nal_unit_type==7||n->nal_unit_type==7)
{
printf("begin\n");
start=true;
}
}
//将编码数据写入文件t
//fwrite(pNals[i].p_payload, 1, pNals[i].i_payload, pFile);
//发送编码文件
#if 1
// 当一个NALU小于MAX_RTP_PKT_LENGTH字节的时候，采用一个单RTP包发送
if(n->len<=MAX_RTP_PKT_LENGTH)
{
//printf("ddd0\n");
//session.SetDefaultMark(false);
//设置NALU HEADER,并将这个HEADER填入sendbuf[12]
nalu_hdr =(NALU_HEADER*)&sendbuf[0]; //将sendbuf[12]的地址赋给nalu_hdr，之后对nalu_hdr的写入就将写入sendbuf中；
nalu_hdr->F=n->forbidden_bit;
nalu_hdr->NRI=n->nal_reference_idc>>5;//有效数据在n->nal_reference_idc的第6，7位，需要右移5位才能将其值赋给nalu_hdr->NRI。
nalu_hdr->TYPE=n->nal_unit_type;
nalu_payload=&sendbuf[1];//同理将sendbuf[13]赋给nalu_payload
memcpy(nalu_payload,n->buf+1,n->len-1);//去掉nalu头的nalu剩余内容写入sendbuf[13]开始的字符串。
ts_current=ts_current+timestamp_increse;
//status = session.SendPacket((void *)sendbuf,n->len);
if(n->nal_unit_type==1 || n->nal_unit_type==5)
{
status = session.SendPacket((void *)sendbuf,n->len,96,true,3600);
}
else
{
status = session.SendPacket((void *)sendbuf,n->len,96,true,0);\
//如果是6,7类型的包，不应该延时；之前有停顿，原因这在这
continue;
}
//发送RTP格式数据包并指定负载类型为96
if (status < 0)
{
std::cerr << RTPGetErrorString(status) << std::endl;
exit(-1);
}
}
else if(n->len>MAX_RTP_PKT_LENGTH)