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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /proc/self/root/usr/include/CLAM/ |
| Current File : //proc/self/root/usr/include/CLAM/SMSPitchShift.hxx |
/*
* 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
*
*/
#ifndef _SMSPitchShift_
#define _SMSPitchShift_
#include "InPort.hxx"
#include "OutPort.hxx"
#include "InControl.hxx"
#include "FrameTransformation.hxx"
#include "SpectralEnvelopeExtract.hxx"
#include "SpectralEnvelopeApply.hxx"
#include "FDCombFilter.hxx"
#include "SpectralPeakArray.hxx"
#include "Frame.hxx"
#include "FrameTransformationConfig.hxx"
#include "SegmentTransformationConfig.hxx"
namespace CLAM{
/** \brief Pitch shift with timbre preservation using the SMS model
*
* In order to preserve timbre, the original spectral shape is extracted and then applied back.
*/
class SMSPitchShift: public FrameTransformation
{
const char *GetClassName() const {return "SMSPitchShift";}
InPort<SpectralPeakArray> mInPeaks;
OutPort<SpectralPeakArray> mOutPeaks;
InPort<Fundamental> mInFundamental;
OutPort<Fundamental> mOutFundamental;
InPort<Spectrum> mInSpectrum;
OutPort<Spectrum> mOutSpectrum;
FloatInControl mIsHarmonic;
FloatInControl mPitchSteps;
public:
SMSPitchShift()
:
mInPeaks("In SpectralPeaks", this),
mOutPeaks("Out SpectralPeaks", this),
mInFundamental("In Fundamental", this),
mOutFundamental("Out Fundamental", this),
mInSpectrum("In Spectrum", this),
mOutSpectrum("Out Spectrum", this),
mIsHarmonic("Harmonic", this),
mPitchSteps("PitchSteps", this),
mIgnoreResidual("IgnoreResidual", this)
{
Configure( SegmentTransformationConfig() );
}
~SMSPitchShift() {}
bool ConcreteConfigure( const ProcessingConfig& config )
{
mPitchSteps.SetBounds(1,100);
mPitchSteps.SetDefaultValue(1); //no pitch shift
mPitchSteps.DoControl(1);
mIgnoreResidual.SetBounds(0.,1.);
mIgnoreResidual.SetDefaultValue(0.);
mIgnoreResidual.DoControl(0.);
return true;
}
bool Do(const SpectralPeakArray& inPeaks,
const Fundamental& inFund,
const Spectrum& inRes,
SpectralPeakArray& outPeaks,
Fundamental& outFund,
Spectrum& outRes);
bool Do(const Frame& in, Frame& out);
bool Do()
{
bool result = Do(mInPeaks.GetData(),
mInFundamental.GetData(),
mInSpectrum.GetData(),
mOutPeaks.GetData(),
mOutFundamental.GetData(),
mOutSpectrum.GetData()
);
mInPeaks.Consume();
mOutPeaks.Produce();
mInFundamental.Consume();
mOutFundamental.Produce();
mInSpectrum.Consume();
mOutSpectrum.Produce();
return result;
}
private:
SpectralEnvelopeExtract mSpectralEnvelopeExtract;
SpectralEnvelopeApply mSpectralEnvelopeApply;
FDCombFilter mFDCombFilter;
Spectrum mSpectralEnvelope;
public:
/** In some cases, such as in the harmonizer it makes sense to ignore the residual spectrum in order to keep
* things manageable. This should if fact be a configuration param, but we don't want to introduce specific
* params that prevent us from using the generic one*/
FloatInControl mIgnoreResidual;
};
} //namespace CLAM
#endif // _SMSPitchShift_
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