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//================================================================
// testH264VideoStreamer.cpp: program that reads a H.264 Trasport Stream live video source
// and streams it using RTP.
//=================================================================
#include "stdafx.h"
#include <WinSock2.h>
#include <liveMedia.hh>
#include <BasicUsageEnvironment.hh>
#include <GroupsockHelper.hh>
#include "grabber.h"
#include "lm555interface.h"
#include <MPEG4VideoStreamDiscreteFramer.hh>
#include <DeviceSourceFICard.hh>
#include <DeviceSource.hh>
/*#pragma comment(lib, "libliveMedia.lib" )
#pragma comment(lib, "libgroupsock.lib" )
#pragma comment(lib, "libBasicUsageEnvironment.lib")
#pragma comment(lib, "libUsageEnvironment.lib")*/
#define TRANSPORT_PACKET_SIZE 188
#define TRANSPORT_PACKETS_PER_NETWORK_PACKET 7
#define IMPLEMENT_RTSP_SERVER 1
// To stream using "source-specific multicast" (SSM), uncomment the following:
//#define USE_SSM 1
#ifdef USE_SSM
Boolean const isSSM = True;
#else
Boolean const isSSM = False;
#endif
// Global Variables:
UsageEnvironment* env;
char const* inputFileName = "test.ts";
char const* OutFileName = "testOut.ts";
FramedSource* videoSource;
RTPSink* videoSink;
DeviceSourceFICard* fileSource;
FICardDeviceParameters fi_params;
void initPlay();
void play(); // forward
HANDLE g_hRtpComThread;
DWORD g_dwRtpComThreadID;
//================================================================
// initLm555Settings(): Initialize live media 555 related settings.
// Create video device input source and RTP sink. Initialize RTP
// server and start playing the input source.
//=================================================================
int initLm555Settings(void) {
// Begin by setting up our usage environment:
TaskScheduler* scheduler = BasicTaskScheduler::createNew();
env = BasicUsageEnvironment::createNew(*scheduler);
// Create 'groupsocks' for RTP and RTCP:
char const* destinationAddressStr = "192.168.15.196";
struct in_addr destinationAddress;
destinationAddress.s_addr = our_inet_addr(destinationAddressStr);
//destinationAddress.s_addr = chooseRandomIPv4SSMAddress(*env);
// Note: This is a multicast address.
const unsigned short rtpPortNum = 18888;
const unsigned short rtcpPortNum = rtpPortNum+1;
const unsigned char ttl = 7; //255;
const Port rtpPort(rtpPortNum);
const Port rtcpPort(rtcpPortNum);
Groupsock rtpGroupsock(*env, destinationAddress, rtpPort, ttl);
rtpGroupsock.multicastSendOnly(); // we're a SSM source
Groupsock rtcpGroupsock(*env, destinationAddress, rtcpPort, ttl);
rtcpGroupsock.multicastSendOnly(); // we're a SSM source
// Create an appropriate 'RTP sink' from the RTP 'groupsock':
videoSink =
SimpleRTPSink::createNew(*env, &rtpGroupsock, 33, 90000, "video", "MP2T",
1, True, False /*no 'M' bit*/);
// Create (and start) a 'RTCP instance' for this RTP sink:
const unsigned estimatedSessionBandwidth = 5000; // in kbps; for RTCP b/w share
const unsigned maxCNAMElen = 100;
unsigned char CNAME[maxCNAMElen+1];
gethostname((char*)CNAME, maxCNAMElen);
CNAME[maxCNAMElen] = '\0'; // just in case
#ifdef IMPLEMENT_RTSP_SERVER
RTCPInstance* rtcp =
#endif
RTCPInstance::createNew(*env, &rtcpGroupsock,
estimatedSessionBandwidth, CNAME,
videoSink, NULL /* we're a server */, isSSM);
// Note: This starts RTCP running automatically
#ifdef IMPLEMENT_RTSP_SERVER
RTSPServer* rtspServer = RTSPServer::createNew(*env);
// Note that this (attempts to) start a server on the default RTSP server
// port: 554. To use a different port number, add it as an extra
// (optional) parameter to the "RTSPServer::createNew()" call above.
if (rtspServer == NULL) {
*env << "Failed to create RTSP server: " << env->getResultMsg() << "\n";
exit(1);
}
ServerMediaSession* sms
= ServerMediaSession::createNew(*env, "testStream", inputFileName,
"Session streamed by \"testMPEG2TransportStreamer\"",
isSSM);
sms->addSubsession(PassiveServerMediaSubsession::createNew(*videoSink, rtcp));
rtspServer->addServerMediaSession(sms);
char* url = rtspServer->rtspURL(sms);
*env << "Play this stream using the URL \"" << url << "\"\n";
//delete[] url;
// Start the streaming:
*env << "Beginning streaming...\n";
#endif
// initPlay();
play();
env->taskScheduler().doEventLoop(); // does not return
return 0; // only to prevent compiler warning
}
//================================================================
// afterPlaying(): Called when end of the video is detected.
//=================================================================
void afterPlaying(void* /*clientData*/) {
*env << "...done reading from file\n";
videoSink->stopPlaying();
// Note that this also closes the input file that this source read from.
Medium::close(videoSource);
// Start playing once again:
play();
}
//================================================================
// play(): Play the input source.
//=================================================================
void play() {
// Open the input file as a 'byte-stream file source':
fi_params.nFICardFrameSize = TRANSPORT_PACKETS_PER_NETWORK_PACKET * TRANSPORT_PACKET_SIZE;//Here i get the data
fi_params.p_lm_lock_fn = lm_lock_fn;
fi_params.p_lm_unlock_fn = lm_unlock_fn;
DeviceParameters temp;
fileSource = DeviceSourceFICard::createNew(*env, fi_params, temp);
if (fileSource == NULL) {
*env << "Unable to open file \"" << inputFileName
<< "\" as a byte-stream file source\n";
exit(1);
}
FramedSource* videoES = fileSource;
// Create a framer for the Video Elementary Stream:
videoSource = MPEG1or2VideoStreamDiscreteFramer::createNew(*env, videoES);
// Finally, start playing:
*env << "Beginning to read from file...\n";
videoSink->startPlaying(*videoSource, afterPlaying, videoSink);
}
//================================================================
// initPlay(): Initialize device source parameter before playing
//the input source.
//=================================================================
void initPlay(){
// Open the input source
FICardDeviceParameters fi_params;
fi_params.nFICardFrameSize = TRANSPORT_PACKETS_PER_NETWORK_PACKET * TRANSPORT_PACKET_SIZE;
fi_params.p_lm_lock_fn = lm_lock_fn;
fi_params.p_lm_unlock_fn = lm_unlock_fn;
}
//================================================================
// StartRTPProcess(): Invoke the thread which manages the livemedia
// communication..
//=================================================================
void StartRTPProcess(void)
{
g_hRtpComThread = CreateThread((LPSECURITY_ATTRIBUTES) NULL, 0,
(LPTHREAD_START_ROUTINE)initLm555Settings, 0, 0, &g_dwRtpComThreadID);
if(g_hRtpComThread) SetThreadPriority(g_hRtpComThread, THREAD_PRIORITY_LOWEST/*THREAD_PRIORITY_NORMAL*/);
}
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