testProgs/testMPEG1or2AudioVideoToDarwin.cpp File Reference

#include "liveMedia.hh"
#include "BasicUsageEnvironment.hh"

Include dependency graph for testMPEG1or2AudioVideoToDarwin.cpp:

Go to the source code of this file.

Functions
void	usage ()
void	play ()
int	main (int argc, char **argv)
void	afterPlaying (void *clientData)
Variables
UsageEnvironment *	env
char const *	inputFileName = "test.mpg"
char const *	remoteStreamName = "test.sdp"
MPEG1or2Demux *	mpegDemux
FramedSource *	audioSource
FramedSource *	videoSource
RTPSink *	audioSink
RTPSink *	videoSink
char const *	programName
Boolean	iFramesOnly = False

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Function Documentation

void afterPlaying

(

void *

clientData

)

Definition at line 140 of file testMPEG1or2AudioVideoToDarwin.cpp.

References audioSink, audioSource, Medium::close(), env, FramedSource::isCurrentlyAwaitingData(), mpegDemux, play(), MediaSink::stopPlaying(), videoSink, and videoSource.

                                    {
  // One of the sinks has ended playing.
  // Check whether any of the sources have a pending read.  If so,
  // wait until its sink ends playing also:
  if (audioSource->isCurrentlyAwaitingData()
      || videoSource->isCurrentlyAwaitingData()) return;

  // Now that both sinks have ended, close both input sources,
  // and start playing again:
  *env << "...done reading from file\n";

  audioSink->stopPlaying();
  videoSink->stopPlaying();
      // ensures that both are shut down
  Medium::close(audioSource);
  Medium::close(videoSource);
  Medium::close(mpegDemux);
  // Note: This also closes the input file that this source read from.

  // Start playing once again:
  play();
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 57 of file testMPEG1or2AudioVideoToDarwin.cpp.

References DarwinInjector::addStream(), audioRTCP, audioSink, MPEG1or2VideoRTPSink::createNew(), RTCPInstance::createNew(), MPEG1or2AudioRTPSink::createNew(), DarwinInjector::createNew(), BasicUsageEnvironment::createNew(), BasicTaskScheduler::createNew(), TaskScheduler::doEventLoop(), env, UsageEnvironment::getResultMsg(), NULL, play(), programName, remoteStreamName, rtcpGroupsockAudio, rtcpGroupsockVideo, rtpGroupsockAudio, rtpGroupsockVideo, DarwinInjector::setDestination(), UsageEnvironment::taskScheduler(), usage(), videoRTCP, and videoSink.

                                {
  // Begin by setting up our usage environment:
  TaskScheduler* scheduler = BasicTaskScheduler::createNew();
  env = BasicUsageEnvironment::createNew(*scheduler);

  // Parse command-line arguments:
  programName = argv[0];
  if (argc != 2) usage();
  char const* dssNameOrAddress = argv[1];

  // Create a 'Darwin injector' object:
  DarwinInjector* injector = DarwinInjector::createNew(*env, programName);

  // Create 'groupsocks' for RTP and RTCP.
  // (Note: Because we will actually be streaming through a remote Darwin server,
  // via TCP, we just use dummy destination addresses, port numbers, and TTLs here.)
  struct in_addr dummyDestAddress;
  dummyDestAddress.s_addr = 0;
  Groupsock rtpGroupsockAudio(*env, dummyDestAddress, 0, 0);
  Groupsock rtcpGroupsockAudio(*env, dummyDestAddress, 0, 0);

  // Create a 'MPEG Audio RTP' sink from the RTP 'groupsock':
  audioSink = MPEG1or2AudioRTPSink::createNew(*env, &rtpGroupsockAudio);

  // Create (and start) a 'RTCP instance' for this RTP sink:
  const unsigned estimatedSessionBandwidthAudio = 160; // 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
  RTCPInstance* audioRTCP =
    RTCPInstance::createNew(*env, &rtcpGroupsockAudio,
                            estimatedSessionBandwidthAudio, CNAME,
                            audioSink, NULL /* we're a server */);
  // Note: This starts RTCP running automatically

  // Add these to our 'Darwin injector':
  injector->addStream(audioSink, audioRTCP);

  // Create 'groupsocks' for RTP and RTCP.
  // (Note: Because we will actually be streaming through a remote Darwin server,
  // via TCP, we just use dummy destination addresses, port numbers, and TTLs here.)
  Groupsock rtpGroupsockVideo(*env, dummyDestAddress, 0, 0);
  Groupsock rtcpGroupsockVideo(*env, dummyDestAddress, 0, 0);

  // Create a 'MPEG Video RTP' sink from the RTP 'groupsock':
  videoSink = MPEG1or2VideoRTPSink::createNew(*env, &rtpGroupsockVideo);

  // Create (and start) a 'RTCP instance' for this RTP sink:
  const unsigned estimatedSessionBandwidthVideo = 4500; // in kbps; for RTCP b/w share
  RTCPInstance* videoRTCP =
    RTCPInstance::createNew(*env, &rtcpGroupsockVideo,
                              estimatedSessionBandwidthVideo, CNAME,
                              videoSink, NULL /* we're a server */);
  // Note: This starts RTCP running automatically

  // Add these to our 'Darwin injector':
  injector->addStream(videoSink, videoRTCP);

  // Next, specify the destination Darwin Streaming Server:
  if (!injector->setDestination(dssNameOrAddress, remoteStreamName,
                                programName, "LIVE555 Streaming Media")) {
    *env << "injector->setDestination() failed: "
         << env->getResultMsg() << "\n";
    exit(1);
  }

  *env << "Play this stream (from the Darwin Streaming Server) using the URL:\n"
       << "\trtsp://" << dssNameOrAddress << "/" << remoteStreamName << "\n";

  // Finally, start the streaming:
  *env << "Beginning streaming...\n";
  play();

  env->taskScheduler().doEventLoop(); // does not return

  return 0; // only to prevent compiler warning
}

void play

(

)

void usage

(

)

Definition at line 49 of file testMPEG1or2AudioVideoToDarwin.cpp.

References env, and programName.

             {
  *env << "usage: " << programName
       << " <Darwin Streaming Server name or IP address>\n";
  exit(1);
}

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Variable Documentation

RTPSink* audioSink

Definition at line 40 of file testMPEG1or2AudioVideoToDarwin.cpp.

FramedSource* audioSource

Definition at line 38 of file testMPEG1or2AudioVideoToDarwin.cpp.

UsageEnvironment* env

Definition at line 34 of file testMPEG1or2AudioVideoToDarwin.cpp.

Boolean iFramesOnly = False

Definition at line 47 of file testMPEG1or2AudioVideoToDarwin.cpp.

char const* inputFileName = "test.mpg"

Definition at line 35 of file testMPEG1or2AudioVideoToDarwin.cpp.

MPEG1or2Demux* mpegDemux

Definition at line 37 of file testMPEG1or2AudioVideoToDarwin.cpp.

char const* programName

Definition at line 43 of file testMPEG1or2AudioVideoToDarwin.cpp.

char const* remoteStreamName = "test.sdp"

Definition at line 36 of file testMPEG1or2AudioVideoToDarwin.cpp.

Referenced by main().

RTPSink* videoSink

Definition at line 41 of file testMPEG1or2AudioVideoToDarwin.cpp.

FramedSource* videoSource

Definition at line 39 of file testMPEG1or2AudioVideoToDarwin.cpp.

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