146 lines
2.9 KiB
C++
146 lines
2.9 KiB
C++
/*
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This IPv4 example uses the background thread itself to process all packets.
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You can use example one to send data to the session that's created in this
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example.
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*/
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#include "rtpsession.h"
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#include "rtppacket.h"
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#include "rtpudpv4transmitter.h"
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#include "rtpipv4address.h"
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#include "rtpsessionparams.h"
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#include "rtperrors.h"
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#ifndef WIN32
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#else
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#include <winsock2.h>
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#endif // WIN32
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#include "rtpsourcedata.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <iostream>
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#include <string>
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#ifdef RTP_SUPPORT_THREAD
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//
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// This function checks if there was a RTP error. If so, it displays an error
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// message and exists.
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//
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void checkerror(int rtperr)
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{
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if (rtperr < 0)
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{
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std::cout << "ERROR: " << RTPGetErrorString(rtperr) << std::endl;
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exit(-1);
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}
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}
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//
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// The new class routine
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//
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class MyRTPSession : public RTPSession
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{
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protected:
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void OnPollThreadStep();
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void ProcessRTPPacket(const RTPSourceData &srcdat,const RTPPacket &rtppack);
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};
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void MyRTPSession::OnPollThreadStep()
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{
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BeginDataAccess();
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// check incoming packets
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if (GotoFirstSourceWithData())
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{
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do
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{
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RTPPacket *pack;
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RTPSourceData *srcdat;
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srcdat = GetCurrentSourceInfo();
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while ((pack = GetNextPacket()) != NULL)
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{
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ProcessRTPPacket(*srcdat,*pack);
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delete pack;
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}
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} while (GotoNextSourceWithData());
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}
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EndDataAccess();
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}
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void MyRTPSession::ProcessRTPPacket(const RTPSourceData &srcdat,const RTPPacket &rtppack)
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{
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// You can inspect the packet and the source's info here
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std::cout << "Got packet " << rtppack.GetExtendedSequenceNumber() << " from SSRC " << srcdat.GetSSRC() << std::endl;
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}
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//
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// The main routine
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//
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int main(void)
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{
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#ifdef WIN32
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WSADATA dat;
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WSAStartup(MAKEWORD(2,2),&dat);
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#endif // WIN32
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MyRTPSession sess;
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u_int16_t portbase,destport;
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u_int32_t destip;
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std::string ipstr;
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int status,i,num;
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// First, we'll ask for the necessary information
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std::cout << "Enter local portbase:" << std::endl;
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std::cin >> portbase;
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std::cout << std::endl;
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std::cout << std::endl;
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std::cout << "Number of seconds you wish to wait:" << std::endl;
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std::cin >> num;
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// Now, we'll create a RTP session, set the destination
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// and poll for incoming data.
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RTPUDPv4TransmissionParams transparams;
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RTPSessionParams sessparams;
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// IMPORTANT: The local timestamp unit MUST be set, otherwise
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// RTCP Sender Report info will be calculated wrong
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// In this case, we'll be just use 8000 samples per second.
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sessparams.SetOwnTimestampUnit(1.0/8000.0);
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transparams.SetPortbase(portbase);
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status = sess.Create(sessparams,&transparams);
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checkerror(status);
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// Wait a number of seconds
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RTPTime::Wait(RTPTime(num,0));
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sess.BYEDestroy(RTPTime(10,0),0,0);
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#ifdef WIN32
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WSACleanup();
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#endif // WIN32
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return 0;
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}
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#else
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int main(void)
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{
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std::cerr << "Thread support is required for this example" << std::endl;
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return 0;
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}
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#endif // RTP_SUPPORT_THREAD
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