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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
*
*/
/** @file UserTutorial5.cxx CLAM tutorial, example 5.
* Ilustrates how to use a simple processing object.
*/
#include <CLAM/FFT.hxx>
#include <CLAM/FFTConfig.hxx>
#include <CLAM/SpectrumConfig.hxx>
#include <iostream>
#include <cmath>
int main()
{
int i,Size=1024;
float SampleRate=8000.0;
// Audio creation
CLAM::Audio myaudio;
myaudio.SetSize(Size);
for (i=0;i<Size;i++)
myaudio.GetBuffer()[i]=
0.625+0.5*sin(2.0*PI*400.0*(((float)i)/SampleRate));
// Spectrum settings
CLAM::SpectrumConfig ssettings;
ssettings.GetType().bMagPhase=false;
ssettings.GetType().bComplex=true;
ssettings.SetSize(Size/2+1);
// Spectrum creation
CLAM::Spectrum myspectrum(ssettings);
// Processing object configuration
CLAM::FFTConfig fconfig;
fconfig.SetAudioSize(Size);
// Processing object creation
CLAM::FFT myfft(fconfig);
// Processing object execution
std::cout << "Running object " << std::endl;
// This puts the object in execution mode.
myfft.Start();
// And this performs the computation.
myfft.Do(myaudio,myspectrum);
return 0;
}
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