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/*
* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/**
* The goals of this example is to show you how to:
* -> Create a CLAM Processing Network with flow control
* -> Add Processing Objects to this network
* -> Create connections of ports and controls to pass data between them
* -> Manage the state of the network
*/
#include "Network.hxx"
#include "PushFlowControl.hxx"
#include "Err.hxx"
#include "SimpleOscillator.hxx"
#include "AudioMultiplier.hxx"
#include "AudioOut.hxx"
#include <iostream>
#include "AudioManager.hxx"
#include <CLAM/PANetworkPlayer.hxx>
int main( int argc, char** argv )
{
try
{
// These values will be used in some configurations, so we declare it now.
int size = 512;
int sampleRate = 44100;
// We need to deploy the audio manager class in order to get audio sound.
CLAM::AudioManager audioManager( sampleRate, size );
// First of all we need to create a clam network. It isn't really complicated; just setting the name.
CLAM::Network network;
network.SetName("My Network");
// In order to add processings to the network, we will create correct configurations for all of them.
// In a lot of cases the default configurations are ok.
CLAM::SimpleOscillatorConfig osc1Cfg;
osc1Cfg.SetFrequency(440.0);
osc1Cfg.SetSamplingRate( sampleRate );
CLAM::SimpleOscillatorConfig osc2Cfg;
osc2Cfg.SetFrequency(20.0);
osc2Cfg.SetSamplingRate( sampleRate );
CLAM::BinaryAudioOpConfig audioMultiplierCfg;
// Ok, we have the configurations created. Why not to create the processing that will use them?
// Because we will add them directly to the network, in this way:
network.AddProcessing( "Generator", new CLAM::SimpleOscillator( osc1Cfg ) );
network.AddProcessing( "Modulator", new CLAM::SimpleOscillator( osc2Cfg ) );
network.AddProcessing( "Audio Multiplier", new CLAM::AudioMultiplier( audioMultiplierCfg ) );
network.AddProcessing( "Audio Out", new CLAM::AudioSink );
// so we see that for each processing we add, it receives a particular name. We can acces the processings
// of the network using this name, as we will see with the connections in a few moments.
// First we connect both oscillators to the audio multiplier.
network.ConnectPorts( "Generator.Audio Output", "Audio Multiplier.First Audio Input" );
network.ConnectPorts( "Modulator.Audio Output", "Audio Multiplier.Second Audio Input" );
// as you can see, the interface is ("processing_producer.out_port", "processing_consumer.in_port").
// Now the final connection from the multiplier to the audio output:
network.ConnectPorts( "Audio Multiplier.Audio Output", "Audio Out.AudioIn" );
network.SetPlayer(new CLAM::PANetworkPlayer );
network.Start();
std::cout << "Press return to stop the noise" << std::endl;
std::cin.get();
network.Stop();
std::cout << "ok, now I know how the CLAM network works!" << std::endl;
}
catch ( CLAM::Err& e )
{
e.Print();
exit(-1);
}
catch( std::exception& e )
{
std::cerr << e.what() << std::endl;
exit(-1);
}
return 0;
}
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