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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
*
*/
//////////////////////////////////////////////////////////////////
// Test for Spectrum
//
// written by Xavier Amatriain - June 2001
////////////////////////////////////////////////////////////////////
#include "Spectrum.hxx"
#include "SpectrumConfig.hxx"
#include "GlobalEnums.hxx"
#include "XMLStorage.hxx"
#include <iostream>
int test1() {
const unsigned spectrumSize=100;
const unsigned spectralRange=22050;
try
{
std::cout << "Spectrum Test" << std::endl;
CLAM::Array<CLAM::Complex> *pData=new CLAM::Array<CLAM::Complex>(spectrumSize);
for (int i=0; i<spectrumSize; i++)
pData->AddElem(CLAM::Complex(2,5) );
/*****Constructing diferent types of spectrums*****/
//Default Spectrum (size=0,type=MagPhase,spectralrng=22050,scale=linear)
CLAM::Spectrum defaultSpec;
//Explicitly changing config
CLAM::SpecTypeFlags specFlags;
specFlags.bComplex=1;
CLAM::Spectrum complex;
complex.SetType(specFlags);
complex.SetSize(spectrumSize);
complex.SetSpectralRange(spectralRange);
complex.SetScale(CLAM::EScale::eLog);
//From already existing config
CLAM::SpectrumConfig myLoadedConfig; //Supposed to be loaded from file
myLoadedConfig.SetSize(spectrumSize);
myLoadedConfig.SetType(specFlags);
myLoadedConfig.SetSpectralRange(spectralRange);
myLoadedConfig.SetScale(CLAM::EScale::eLog);
CLAM::Spectrum loadedSpec(myLoadedConfig);
/*****Setting a buffer*****/
complex.SetComplexArray(*pData);
/*
* Important!! right now you cannot pass a reference in this function:
* by doing a SetBuffer you are granting delete privileges to the owner
* object
*/
/*****Using the spectrum (inefficiently)*****/
std::cout << "Spectral Range: " << complex.GetSpectralRange() << std::endl;
// Set values
for (int i=0; i<spectrumSize; i++) {
complex.SetMag(i,i);
complex.SetPhase(i,i+1);
}
// Get values
for (int i=0; i<spectrumSize; i++) {
std::cout
<< "Mag[" << i << "] = " << complex.GetMag(i) << ", "
<< "Phase[" << i << "] = " << complex.GetPhase(i) << std::endl;
}
/*****Using the spectrum (efficiently)*****/
//Resizing spectrum
defaultSpec.SetSize(spectrumSize);
CLAM::DataArray &mag=defaultSpec.GetMagBuffer();
CLAM::DataArray &phase=defaultSpec.GetPhaseBuffer();
// Set values
for (int i=0; i<spectrumSize; i++) {
mag[i]=i;
phase[i]=i+1;
}
// Get values
mag=defaultSpec.GetMagBuffer();
phase=defaultSpec.GetPhaseBuffer();
for (int i=0; i<spectrumSize; i++) {
std::cout
<< "Mag[" << i << "] = " << mag[i] << ", "
<< "Phase[" << i << "] = " << phase[i] << std::endl;
}
/*****Using conversion routines*****/
CLAM::SpecTypeFlags newType;
/*converting magphase to complex keeping original data*/
newType.bMagPhase=newType.bComplex=1;
defaultSpec.SetTypeSynchronize(newType);
/*converting complex to magphaseBPF, deleting original data*/
newType.bComplex=newType.bMagPhase=0;
newType.bMagPhaseBPF=1;
complex.SetTypeSynchronize(newType);
/*****Storing result to XML document*****/
CLAM::XMLStorage::Dump(complex, "ComplexSpectrum", "SpectrumExample.1.xml");
CLAM::XMLStorage::Dump(defaultSpec, "DefaultSpectrum", "SpectrumExample.2.xml");
CLAM::XMLStorage::Dump(loadedSpec, "LoadedSpectrum", "SpectrumExample.3.xml");
}
catch(CLAM::Err error)
{
error.Print();
}
return 0;
}
#include <exception>
int main()
{
//int i;
int ret;
ret=test1();
return ret;
};
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