SegmentTransformation.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 _SegmentTransformation_
#define _SegmentTransformation_


#include "Processing.hxx"
#include "ProcessingData.hxx"
#include "InPort.hxx"
#include "OutPort.hxx"
#include "OutControl.hxx"
#include "InControl.hxx"
#include "InControlPublisher.hxx"
#include "SpectralPeakArray.hxx"
#include "Frame.hxx"
#include "Segment.hxx"
#include "SegmentTransformationConfig.hxx"

#include "FrameTransformation.hxx"

namespace CLAM {

        class SegmentTransformation: public Processing
        {
                
                FrameTransformation* mFrameTransformation;

        protected:
//              FloatOutControl mSendAmount; //TODO privatize
                SegmentTransformationConfig mConfig;
                bool mUseTemporalBPF;
                FloatInControl mOnCtrl;
                
                Segment* mInput;
                Segment* mOutput;
        public:
                InControlPublisher mAmountCtrl;
                

        public:
                void AttachIn( Segment& data ){ mInput = &data; }
                void AttachOut( Segment& data ){ mOutput = &data; }

                void WrapFrameTransformation( FrameTransformation*);
                
                virtual bool ConcreteConfigure(const ProcessingConfig& c);

                const ProcessingConfig& GetConfig() const
                {
                        return mConfig;
                }

                SegmentTransformation();

                SegmentTransformation(const SegmentTransformationConfig& c);
                
                virtual ~SegmentTransformation();

                virtual bool DoWithSegments(void)
                {
                        return Do(*mInput, *mOutput);
                }

                virtual bool UpdateControlValueFromBPF(TData pos);

                virtual bool IsLastFrame();
                
                bool ConcreteStart();

        protected:


                virtual bool Do(const Frame& in,Frame& out) { return true; } 
                bool Do() { return true; } 
                const char* GetClassName() const { return "SegmentTransformation"; } 


                void AddFramesToOutputIfInputIsLonger(int frameindex, const Segment& in, Segment& out)
                {
                        if(frameindex==out.GetnFrames() && in.GetnFrames()>out.GetnFrames())
                                        out.AddFrame(out.GetFrame((TIndex)out.GetnFrames()-1));
                }
                
                virtual bool Do(const Segment& in, Segment& out);

                //TODO remove. but now is used from Time-Stretch
                virtual const Frame& GetCurrentFrame(const Segment& in)
                {
                        return in.GetFrame(mCurrentInputFrame);
                }
                
                virtual Frame& GetCurrentFrame( Segment& out)
                {
                        if(mCurrentInputFrame==out.GetnFrames() && mInput->GetnFrames()>out.GetnFrames())
                                out.AddFrame(out.GetFrame((TIndex)out.GetnFrames()-1));
                        return out.GetFrame(mCurrentInputFrame);
                }

                //TODO remove. but now is used by SegmentSMSMorph
                int mCurrentInputFrame;

        };
        
};//namespace CLAM

#endif // _SegmentTransformation_