RTP实时音视频数据传输,发送端和接收端

1.项目前期工作（配置好环境）
2.发送端文件编写（见下面的send.cpp）
3.接收端文件编写（见下面的receive.cpp）
4.编译文件
（1）发送端
                      g++ -o send send.cpp -I /usr/local/include/jrtplib3/ -ljrtp
（2）接收端
                      g++ -o receive receive.cpp -I /usr/local/include/jrtplib3/ -ljrtp
附录：
（1）send.cpp
[cpp]
#include "rtpsession.h"
#include "rtppacket.h"
#include "rtpudpv4transmitter.h"
#include "rtpipv4address.h"
#include "rtpsessionparams.h"
#include "rtperrors.h"
#include "rtpmemorymanager.h"
#ifndef WIN32
    #include <netinet/in.h>
    #include <arpa/inet.h>
#else
    #include <winsock2.h>
#endif // WIN32
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <string>

//
// 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 main routine
//

#ifdef RTP_SUPPORT_THREAD

class MyMemoryManager : public RTPMemoryManager
{
public:
    MyMemoryManager()
    {
        mutex.Init();
        alloccount = 0;
        freecount = 0;
    }
    ~MyMemoryManager()
    {
        std::cout << "alloc: " << alloccount << " free: " << freecount << std::endl;
    }
    void *AllocateBuffer(size_t numbytes, int memtype)
    {
        mutex.Lock();
        void *buf = malloc(numbytes);
        std::cout << "Allocated " << numbytes << " bytes at location " << buf << " (memtype = " << memtype << ")" << std::endl;
        alloccount++;
        mutex.Unlock();
        return buf;
    }

    void FreeBuffer(void *p)
    {
        mutex.Lock();
        std::cout << "Freeing block " << p << std::endl;
        freecount++;
        free(p);
        mutex.Unlock();
    }
private:
    int alloccount,freecount;
    JMutex mutex;
};

#else

class MyMemoryManager : public RTPMemoryManager
{
public:
    MyMemoryManager()
    {
        alloccount = 0;
        freecount = 0;
    }
    ~MyMemoryManager()
    {
        std::cout << "alloc: " << alloccount << " free: " << freecount << std::endl;
    }
    void *AllocateBuffer(size_t numbytes, int memtype)
    {
        void *buf = malloc(numbytes);
        std::cout << "Allocated " << numbytes << " bytes at location " << buf << " (memtype = " << memtype << ")" << std::endl;
        alloccount++;
        return buf;
    }

    void FreeBuffer(void *p)
    {
        std::cout << "Freeing block " << p << std::endl;
        freecount++;
        free(p);
    }
private:
    int alloccount,freecount;
};

#endif // RTP_SUPPORT_THREAD

int main(void)
{
#ifdef WIN32
    WSADATA dat;
    WSAStartup(MAKEWORD(2,2),&dat);
#endif // WIN32

    MyMemoryManager mgr;
    RTPSession sess(&mgr);
    uint16_t portbase,destport;
    uint32_t destip;
    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 << "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;
    }

    // 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 cal

补充：软件开发 , C++ ,