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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 with Ports and Controls
* -> Connect them to pass control messages and data to process
* -> Illustrate how to use Do() instead of the version with parameters.
*/
#include <iostream>
#include "Err.hxx"
#include "AutoPanner.hxx"
#include "SimpleOscillator.hxx"
#include "AudioManager.hxx"
#include "AudioOut.hxx"
#include "Audio.hxx"
#include "MyProcessingWithPortsAndControls.hxx" // this is our new processing, created with ports and controls
int main( int argc, char** argv )
{
try
{
// we won't comment the code related to audio I/O and processing configuration, because they are questions discussed
// in another examples (like FilePlayback_example.cxx and ProcessingLifeCycle_example.cxx).
int size = 512;
int samplerate = 44100;
CLAM::AudioManager manager(samplerate, size);
manager.Start();
// In this example, we will produce a sine signal with an oscillator. The data produced will be
// processed by our new processing (see MyProcessingWithPortsAndControls.hxx/cxx for more details), and finally
// passed to the audio out. Our processing will have control signals from autopanner (that sends an LFO signal).
CLAM::SimpleOscillator osc;
CLAM::AutoPanner autoPanner;
CLAM::AudioOut audioOut;
CLAM::MyProcessingWithPortsAndControls myProc;
// we need to configure the ports with the correct size in order to get the data automatically.
// the way of accessing the ports is by name, specifying before which kind of port you need.
osc.GetOutPort("Audio Output").SetSize( size );
osc.GetOutPort("Audio Output").SetHop( size );
audioOut.GetInPort("Audio Input").SetSize( size );
audioOut.GetInPort("Audio Input").SetHop( size );
myProc.GetInPort("Audio Input").SetSize( size );
myProc.GetInPort("Audio Input").SetHop( size );
myProc.GetOutPort("Audio Output").SetSize( size );
myProc.GetOutPort("Audio Output").SetHop( size );
// after this, is needed to connect the different ports
CLAM::ConnectPorts(osc, "Audio Output", myProc, "Audio Input");
CLAM::ConnectPorts(myProc, "Audio Output", audioOut, "Audio Input");
// we link one of the out controls of autopanner to our processing, too.
CLAM::ConnectControls(autoPanner, "Left Control", myProc, "Modulation" );
// this is the easy part: after the configuration, we can start,
// call do and stop the processings without any complication
// related to intermediate data.
autoPanner.Start();
osc.Start();
myProc.Start();
audioOut.Start();
for(int i=0;i<500;i++)
{
autoPanner.Do();
osc.Do();
myProc.Do();
audioOut.Do();
}
autoPanner.Stop();
osc.Stop();
myProc.Stop();
audioOut.Stop();
std::cout << "ok, now I know how to use CLAM ports!" << 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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