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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
*
*/
/**
* @example ProcessingObject_controls_example.cxx
* This example shows several things about using controls
* - How to connect controls each other
* - How to explicitly propagate a value from an output control using SendControl
* - How to explicitly set a value to a input control using DoControl
* - How to associate processing callbacks to an input control
*/
///////////////////////////////////////////////////////////////////////////////////
// class MyProcObj
// Just a test class.
//
#include "Processing.hxx"
#include "OutControl.hxx"
#include <string>
#include <stdexcept>
#include <iostream>
using namespace CLAM;
// Empty configuration for our processing
class MyProcConf : public ProcessingConfig {
public:
DYNAMIC_TYPE_USING_INTERFACE (MyProcConf, 0,ProcessingConfig);
};
// A processing with some controls
class MyProcObj : public Processing
{
private:
MyProcConf mConfig;
FloatInControl mInPitch;
FloatInControl mInAmplitude;
FloatOutControl mOutNoteOn;
FloatOutControl mOutNoteOff;
private:
bool ConcreteConfigure(const ProcessingConfig &c) {return true;}
// Constructor/Destructor
public:
MyProcObj(const MyProcConf &c) :
// Asocciating callbacks to the control receiving
mInPitch("Pitch", this, &MyProcObj::DoInPitchControl),
mInAmplitude("Amplitude", this, &MyProcObj::DoInAmplitudeControl),
mOutNoteOn("NoteOn", this),
mOutNoteOff("NoteOff", this)
{
Configure(c);
}
virtual ~MyProcObj(){}
const char * GetClassName() const {return "CLAMTest_MyProcObj";}
public:
// Callbacks to receive controls
void DoInPitchControl(TControlData val)
{
std::cout << GetClassName() << ": DoInPitchControl activated. Value="<< val << std::endl;
}
void DoInAmplitudeControl(TControlData val)
{
std::cout << GetClassName() << ": DoInAmplitudeControl activated. Value="<< val << std::endl;
}
// The do
bool Do()
{
std::cout << GetClassName() << ": doing my Do()... " << std::endl;
return true;
}
const ProcessingConfig &GetConfig() const { return mConfig;};
virtual bool Start(void) {return true;};
virtual bool Stop(void) {return true;};
};
int main(void)
{
try {
MyProcConf conf1;
conf1.UpdateData();
MyProcObj proc1(conf1);
MyProcObj proc2(conf1);
MyProcObj proc3(conf1);
// Connection by number.
// Its also possible to connect them using control
// names: "Pitch", "Amplitude", "NoteOn" and "NoteOff"
CLAM::ConnectControls( proc1, "NoteOn", proc2, "Amplitude");
CLAM::ConnectControls( proc1, "NoteOff", proc2, "Pitch");
CLAM::ConnectControls( proc1, "NoteOn", proc3, "Amplitude");
CLAM::ConnectControls( proc1, "NoteOn", proc3, "Pitch");
// SendControl propagates the value from an output control
// to its connected in controls.
// From proc1:Out[0] to proc2:In[0], proc3:In[0] and proc3:In[1]
SendFloatToOutControl(proc1,"NoteOn",44);
// From proc1:Out[1] to proc2:In[1]
SendFloatToOutControl(proc1,"NoteOff",555);
//
SendFloatToOutControl(proc1,0,222.2f);
// Useless Do's, they are not necessary for the example
proc1.Do();
proc2.Do();
}catch(std::out_of_range e)
{
std::cerr << e.what() << std::endl;
}
catch(Err e)
{
e.Print();
}
return 0;
}
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