3d2ab595
 Hu Chunming
支持gb28181
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/*
This IPv4 example uses the background thread itself to process all packets.
You can use example one to send data to the session that's created in this
example.
*/
#include "rtpsession.h"
#include "rtppacket.h"
#include "rtpudpv4transmitter.h"
#include "rtpipv4address.h"
#include "rtpsessionparams.h"
#include "rtperrors.h"
#include "rtpsourcedata.h"
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <string>
using namespace jrtplib;
#ifdef RTP_SUPPORT_THREAD
//
// This function checks if there was a RTP error. If so, it displays an error
// message and exists.
//
void checkerror(int rtperr)
{
if (rtperr < 0)
{
std::cout << "ERROR: " << RTPGetErrorString(rtperr) << std::endl;
exit(-1);
}
}
//
// The new class routine
//
class MyRTPSession : public RTPSession
{
protected:
void OnPollThreadStep();
void ProcessRTPPacket(const RTPSourceData &srcdat,const RTPPacket &rtppack);
};
void MyRTPSession::OnPollThreadStep()
{
BeginDataAccess();
// check incoming packets
if (GotoFirstSourceWithData())
{
do
{
RTPPacket *pack;
RTPSourceData *srcdat;
srcdat = GetCurrentSourceInfo();
while ((pack = GetNextPacket()) != NULL)
{
ProcessRTPPacket(*srcdat,*pack);
DeletePacket(pack);
}
} while (GotoNextSourceWithData());
}
EndDataAccess();
}
void MyRTPSession::ProcessRTPPacket(const RTPSourceData &srcdat,const RTPPacket &rtppack)
{
// You can inspect the packet and the source's info here
std::cout << "Got packet " << rtppack.GetExtendedSequenceNumber() << " from SSRC " << srcdat.GetSSRC() << std::endl;
}
//
// The main routine
//
int main(void)
{
#ifdef RTP_SOCKETTYPE_WINSOCK
WSADATA dat;
WSAStartup(MAKEWORD(2,2),&dat);
#endif // RTP_SOCKETTYPE_WINSOCK
MyRTPSession sess;
uint16_t portbase;
std::string ipstr;
int status,num;
// First, we'll ask for the necessary information
std::cout << "Enter local portbase:" << std::endl;
std::cin >> portbase;
std::cout << std::endl;
std::cout << std::endl;
std::cout << "Number of seconds you wish to wait:" << std::endl;
std::cin >> num;
// 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(1.0/8000.0);
transparams.SetPortbase(portbase);
status = sess.Create(sessparams,&transparams);
checkerror(status);
// Wait a number of seconds
RTPTime::Wait(RTPTime(num,0));
sess.BYEDestroy(RTPTime(10,0),0,0);
#ifdef RTP_SOCKETTYPE_WINSOCK
WSACleanup();
#endif // RTP_SOCKETTYPE_WINSOCK
return 0;
}
#else
int main(void)
{
std::cerr << "Thread support is required for this example" << std::endl;
return 0;
}
#endif // RTP_SUPPORT_THREAD
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