C++ MarSystem::recvControls方法代码示例

// thread code
void* run(void * arg)
{
  
  thread_data* data = (thread_data*) arg;

  MarSystemManager mng;
  NetworkTCPSource* src = new NetworkTCPSource("src");
  
  MarSystem* featureNetwork = mng.create("Series", "featureNetwork");
  featureNetwork->addMarSystem(src);
  featureNetwork->addMarSystem(mng.create("AudioSink", "sink"));
  // featureNetwork->addMarSystem(mng.create("PlotSink", "psink"));
  
  featureNetwork->updctrl("NetworkTCPSource/src/mrs_natural/dataPort", data->dataPort);
  featureNetwork->updctrl("NetworkTCPSource/src/mrs_natural/controlsPort", data->controlsPort);

  featureNetwork->linkctrl("mrs_bool/hasData", "NetworkTCPSource/src/mrs_bool/hasData");
  
  src->refresh();
  
  mrs_natural wc = 0;
  
  mrs_real* controls = 0;
  
  mrs_natural onSamples = featureNetwork->getctrl("mrs_natural/onSamples")->to<mrs_natural>();
  
  
  // start the network 
  while ( featureNetwork->getctrl("mrs_bool/hasData")->to<mrs_bool>() ) {

	try {
		
		controls = featureNetwork->recvControls();	
      		if ( controls != 0 ) {
			
			// get some reference controls, so if they have changed we update them
			mrs_natural inSamples = featureNetwork->getctrl("mrs_natural/inSamples")->to<mrs_natural>();
			mrs_natural inObservations = featureNetwork->getctrl("mrs_natural/inObservations")->to<mrs_natural>();
			mrs_real israte = featureNetwork->getctrl("mrs_real/israte")->to<mrs_real>();
			
			if ( (mrs_natural)controls[1] != inSamples || (mrs_natural)controls[2] != inObservations 
					|| controls[3] != israte ) {
			
				featureNetwork->updctrl("mrs_natural/inSamples", (mrs_natural)controls[1]);
				featureNetwork->updctrl("mrs_natural/inObservations", (mrs_natural)controls[2]);
				featureNetwork->updctrl("mrs_real/israte", controls[3]);
			}
      		}
		
		featureNetwork->tick(); // everything happens here 
	} catch ( SocketException e ) {
  		cerr << "Played " << wc << " slices of " << onSamples << " samples" << endl;
		pthread_exit(NULL);
	}
 	wc++;
   }
  cout << "played - " << wc << " slices of " << onSamples << " samples" << endl;
 
  pthread_exit( NULL );
}

bool MslCommandRun::execute()
{
  MarSystem* msys;

  if ( workingSet.find(name) != workingSet.end() ) {
    msys = (MarSystem *)workingSet[name];
  } else {
    cout << "Cannot find MarSystem: " << name << endl;
    return false;
  }

  mrs_natural wc=0;
  mrs_natural samplesPlayed = 0;
  mrs_natural onSamples = msys->getctrl("mrs_natural/onSamples")->to<mrs_natural>();

  mrs_real* controls = 0;

  while (true) {

    try {

      controls = msys->recvControls();

      if ( controls != 0 ) {

        // get some reference controls, so if they have changed we update them
        mrs_natural inSamples = msys->getctrl("mrs_natural/inSamples")->to<mrs_natural>();
        mrs_natural inObservations = msys->getctrl("mrs_natural/inObservations")->to<mrs_natural>();
        mrs_real israte = msys->getctrl("mrs_real/israte")->to<mrs_real>();

        if ( (mrs_natural)controls[1] != inSamples || (mrs_natural)controls[2] != inObservations
             || controls[3] != israte ) {

          msys->updctrl("mrs_natural/inSamples",(mrs_natural) controls[1]);
          msys->updctrl("mrs_natural/inObservations", (mrs_natural)controls[2]);
          msys->updctrl("mrs_real/israte", controls[3]);
        }
      }

      msys->tick();
    }
    catch( SocketException e ) {
      cout << "Played " << wc << " slices of " << onSamples << " samples" << endl;
      exit(1);
    }

    wc ++;

    if ( !msys->getctrl("mrs_bool/hasData")->isTrue() ) {
      break;
    }
    samplesPlayed += onSamples;

  } // while

  cout << "Played " << wc << " slices of " << onSamples << " samples" << endl;
  return true;
}

// Play soundfile given by sfName, playbacknet contains the playback
// network of MarSystem objects
void sftransform(mrs_real gain, string outName)
{


  MarSystemManager mng;
  MarSystem* dest = mng.create("SoundFileSink", "dest");
  dest->updctrl("mrs_string/filename", "sftransformOutput.au");

  NetworkTCPSource* netSrc = new NetworkTCPSource("netSrc");

  MarSystem* playbacknet = mng.create("Series", "playbacknet");
  playbacknet->addMarSystem(netSrc);
  playbacknet->addMarSystem(mng.create("InvSpectrum", "ispk"));
  playbacknet->addMarSystem(mng.create("Gain", "gt"));
  playbacknet->addMarSystem(dest);

  // update controls if they are passed on cmd line...
  if ( port != 0 ) {
    netSrc->updctrl("mrs_natural/port", port);
  }

  playbacknet->update();

  playbacknet->linkctrl("mrs_natural/nChannels", "NetworkTCPSource/netSrc/mrs_natural/nChannels");
  playbacknet->linkctrl("mrs_natural/pos", "NetworkTCPSource/netSrc/mrs_natural/pos");
  playbacknet->linkctrl("mrs_natural/nChannels", "SoundFileSink/dest/mrs_natural/nChannels");
  playbacknet->linkctrl("mrs_bool/hasData", "NetworkTCPSource/netSrc/mrs_bool/hasData");
  playbacknet->linkctrl("mrs_bool/mute", "Gain/gt/mrs_bool/mute");


  // output network description to cout
  cout << *playbacknet << endl;

  // setup TCP Server and wait for connection...
  netSrc->refresh();
  cout << "Connection Established with: " << netSrc->getClientAddr() << endl;

  // udpate controls
  //playbacknet.updctrl("mrs_natural/inSamples", MRS_DEFAULT_SLICE_NSAMPLES);


  playbacknet->updctrl("Gain/gt/mrs_real/gain", gain);


  mrs_natural wc=0;
  mrs_natural samplesPlayed = 0;
  mrs_natural onSamples = playbacknet->getctrl("mrs_natural/onSamples")->to<mrs_natural>();
  // mrs_natural repeatId = 1;

  mrs_real* controls = 0;

  while (true)
  {
    try {
      controls = playbacknet->recvControls();
      if ( controls != 0 ) {

        // get some reference controls, so if they have changed we update them
        mrs_natural inSamples = playbacknet->getctrl("mrs_natural/inSamples")->to<mrs_natural>();
        mrs_natural inObservations = playbacknet->getctrl("mrs_natural/inObservations")->to<mrs_natural>();
        mrs_real israte = playbacknet->getctrl("mrs_real/israte")->to<mrs_real>();

        if ( (mrs_natural)controls[1] != inSamples || (mrs_natural)controls[2] != inObservations
             || controls[3] != israte ) {

          playbacknet->updctrl("mrs_natural/inSamples", (mrs_natural)controls[1]);
          playbacknet->updctrl("mrs_natural/inObservations", (mrs_natural)controls[2]);
          playbacknet->updctrl("mrs_real/israte", controls[3]);
        }
      }
      playbacknet->tick();

    }
    catch( SocketException e ) {
      cerr << "Played " << wc << " slices of " << onSamples << " samples" << endl;
      exit(1);
    }
    wc ++;
    samplesPlayed += onSamples;
  }

}