3d2ab595
 Hu Chunming
支持gb28181
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/*
This IPv4 example listens for incoming packets and automatically adds destinations
for new sources.
*/
#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;
//
// 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 OnNewSource(RTPSourceData *dat)
{
if (dat->IsOwnSSRC())
return;
uint32_t ip;
uint16_t port;
if (dat->GetRTPDataAddress() != 0)
{
const RTPIPv4Address *addr = (const RTPIPv4Address *)(dat->GetRTPDataAddress());
ip = addr->GetIP();
port = addr->GetPort();
}
else if (dat->GetRTCPDataAddress() != 0)
{
const RTPIPv4Address *addr = (const RTPIPv4Address *)(dat->GetRTCPDataAddress());
ip = addr->GetIP();
port = addr->GetPort()-1;
}
else
return;
RTPIPv4Address dest(ip,port);
AddDestination(dest);
struct in_addr inaddr;
inaddr.s_addr = htonl(ip);
std::cout << "Adding destination " << std::string(inet_ntoa(inaddr)) << ":" << port << std::endl;
}
void OnBYEPacket(RTPSourceData *dat)
{
if (dat->IsOwnSSRC())
return;
uint32_t ip;
uint16_t port;
if (dat->GetRTPDataAddress() != 0)
{
const RTPIPv4Address *addr = (const RTPIPv4Address *)(dat->GetRTPDataAddress());
ip = addr->GetIP();
port = addr->GetPort();
}
else if (dat->GetRTCPDataAddress() != 0)
{
const RTPIPv4Address *addr = (const RTPIPv4Address *)(dat->GetRTCPDataAddress());
ip = addr->GetIP();
port = addr->GetPort()-1;
}
else
return;
RTPIPv4Address dest(ip,port);
DeleteDestination(dest);
struct in_addr inaddr;
inaddr.s_addr = htonl(ip);
std::cout << "Deleting destination " << std::string(inet_ntoa(inaddr)) << ":" << port << std::endl;
}
void OnRemoveSource(RTPSourceData *dat)
{
if (dat->IsOwnSSRC())
return;
if (dat->ReceivedBYE())
return;
uint32_t ip;
uint16_t port;
if (dat->GetRTPDataAddress() != 0)
{
const RTPIPv4Address *addr = (const RTPIPv4Address *)(dat->GetRTPDataAddress());
ip = addr->GetIP();
port = addr->GetPort();
}
else if (dat->GetRTCPDataAddress() != 0)
{
const RTPIPv4Address *addr = (const RTPIPv4Address *)(dat->GetRTCPDataAddress());
ip = addr->GetIP();
port = addr->GetPort()-1;
}
else
return;
RTPIPv4Address dest(ip,port);
DeleteDestination(dest);
struct in_addr inaddr;
inaddr.s_addr = htonl(ip);
std::cout << "Deleting destination " << std::string(inet_ntoa(inaddr)) << ":" << port << 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,i,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);
sessparams.SetAcceptOwnPackets(true);
transparams.SetPortbase(portbase);
status = sess.Create(sessparams,&transparams);
checkerror(status);
for (i = 1 ; i <= num ; i++)
{
sess.BeginDataAccess();
// check incoming packets
if (sess.GotoFirstSourceWithData())
{
do
{
RTPPacket *pack;
while ((pack = sess.GetNextPacket()) != NULL)
{
// You can examine the data here
printf("Got packet !\n");
// we don't longer need the packet, so
// we'll delete it
sess.DeletePacket(pack);
}
} while (sess.GotoNextSourceWithData());
}
sess.EndDataAccess();
#ifndef RTP_SUPPORT_THREAD
status = sess.Poll();
checkerror(status);
#endif // RTP_SUPPORT_THREAD
RTPTime::Wait(RTPTime(1,0));
}
sess.BYEDestroy(RTPTime(10,0),0,0);
#ifdef RTP_SOCKETTYPE_WINSOCK
WSACleanup();
#endif // RTP_SOCKETTYPE_WINSOCK
return 0;
}
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