SpectralSpread.hxx

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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
 *
 */


#ifndef _SpectralSpread_
#define _SpectralSpread_

#include "SpectralEnvelopeExtract.hxx"
#include "SpectralEnvelopeApply.hxx"
#include "Frame.hxx"
#include "InPort.hxx"
#include "OutPort.hxx"
#include "InControl.hxx"
#include "FrameTransformation.hxx"
#include "FrameTransformationConfig.hxx"
#include "SegmentTransformationConfig.hxx"
#include "Spectrum.hxx"
#include "SpecTypeFlags.hxx"


namespace CLAM{

        class SpectralSpread: public FrameTransformationTmpl<Spectrum>
        {
                
                const char *GetClassName() const {return "SpectralSpread";}

                InPort<Spectrum> mIn;
                OutPort<Spectrum> mOut;
                
                FloatInControl mCenterFreqCtl;
        public:

                SpectralSpread() 
                        : 
                        mIn( "InSpectrum", this), 
                        mOut( "OutSpectrum", this),
                        mCenterFreqCtl("CenterFreq", this)
                {
                        Configure( SegmentTransformationConfig() );
                        SpecTypeFlags flg;
                        flg.bMagPhase = 1;
                        flg.bMagPhaseBPF = 1;
                        mBPFSpectrum.SetType(flg);
                        mFlag.bMagPhase = 0;
                        mFlag.bMagPhaseBPF = true;
                }

                ~SpectralSpread() {}

                virtual bool InitControls()
                { 
                        mCenterFreqCtl.DoControl(1000);
                        mAmount.DoControl(100);
                        
                        return true;
                }
                
                bool Do(const Frame& in, Frame& out)
                {
                        return Do(in.GetSpectrum(), 
                                out.GetSpectrum());
                }
        
                bool Do(const Spectrum& inpeaks,Spectrum& out);

                bool Do()
                {
                        bool result = Do(mIn.GetData(), mOut.GetData());
                        mIn.Consume();
                        mOut.Produce();
                        return result;  
                }

        private:
                Spectrum mBPFSpectrum;
                SpecTypeFlags mFlag;
        };              
}       //namespace CLAM

#endif // _SpectralSpread_