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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
*
*/
#include "ProcessingComposite.hxx"
#include "FFT.hxx"
#include "IFFT.hxx"
#include "SpectrumProduct.hxx"
using namespace CLAM;
/** Big configuration class */
class BigConfiguration : public ProcessingConfig {
public:
DYNAMIC_TYPE_USING_INTERFACE (BigConfiguration, 2,ProcessingConfig);
DYN_ATTRIBUTE (0, public, std::string, Name);
DYN_ATTRIBUTE (1, public, int, AudioSize);
void DefaultInit();
};
/** This is the processing object class we are using to group several
* other processing objects.
*/
class BigProcessing : public ProcessingComposite {
// Configuration data
BigConfiguration mConfig;
// We define the internal data in our system.
Spectrum ImpulseResponse;
Spectrum SpectralInput;
Spectrum SpectralOutput;
// The internal Processing Objects
FFT mInputFFT;
SpectrumProduct mFilter;
IFFT mOutputIFFT;
// And the interfaces with the outside world.
/** Global input port */
AudioInPort InputAudio;
/** Global output port */
AudioInPort OutputAudio;
// Internal convenience methods.
void AdoptChildren();
void AttachChildren();
bool ConfigureChildren(int size);
void ConfigureData(int size);
// Processing Object compliance methods.
const char *GetClassName() const {return "BigProcessing";}
/** Configuration method */
bool ConcreteConfigure(const ProcessingConfig&);
public:
BigProcessing(BigConfiguration&);
BigProcessing();
const ProcessingConfig &GetConfig() const {return mConfig;}
/** Supervised mode execution */
bool Do(void);
/** Unsupervised mode execution */
bool Do(Audio& in, Audio &out);
};
void BigProcessing::AdoptChildren()
{
mInputFFT.SetParent(this);
mFilter.SetParent(this);
mOutputIFFT.SetParent(this);
}
BigProcessing::BigProcessing() :
InputAudio("Input Audio",this),
OutputAudio("Output Audio",this)
{
AdoptChildren();
Configure(BigConfiguration());
}
BigProcessing::BigProcessing(BigConfiguration& cfg) :
InputAudio("Input Audio",this),
OutputAudio("Output Audio",this)
{
AdoptChildren();
Configure(cfg);
}
bool BigProcessing::ConfigureChildren(int size)
{
FFTConfig cfg_fft;
cfg_fft.SetAudioSize(size);
if (!mInputFFT.Configure(cfg_fft))
return false;
IFFTConfig cfg_ifft;
cfg_ifft.SetAudioSize(size);
if (!mOutputIFFT.Configure(cfg_ifft))
return false;
// Note: mFilter has not config parameters.
return true;
}
void BigProcessing::ConfigureData(int audio_size)
{
int spectrum_size = audio_size / 2 + 1;
ImpulseResponse.SetSize(spectrum_size);
SpectralInput.SetSize(spectrum_size);
SpectralOutput.SetSize(spectrum_size);
}
bool BigProcessing::ConcreteConfigure(const ProcessingConfig& c)
{
CopyAsConcreteConfig(mConfig, c);
int size=0;
if (mConfig.HasAudioSize())
size = mConfig.GetAudioSize();
ConfigureChildren(size);
ConfigureData(size);
return true;
}
bool BigProcessing::Do()
{
return false;
}
bool BigProcessing::Do(Audio& in, Audio &out)
{
mInputFFT.Do(in,SpectralInput);
mFilter.Do(SpectralInput,ImpulseResponse,SpectralOutput);
mOutputIFFT.Do(SpectralOutput,out);
return true;
}
void BigConfiguration::DefaultInit()
{
AddName();
AddAudioSize();
UpdateData();
SetAudioSize(0);
}
int main()
{
try {
BigProcessing system;
BigConfiguration system_config;
Audio Input;
Audio Output;
Input.SetSize(1024);
Output.SetSize(1024);
system_config.SetAudioSize(1024);
system.Configure(system_config);
system.Start();
system.Do(Input,Output);
} catch(Err &e) {
e.Print();
}
return 0;
}
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