Note.hxx

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/*
 * Copyright (c) 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
 *
 */

/* Note type definition */

#ifndef _Note_
#define _Note_

#include "DynamicType.hxx"
#include "DataTypes.hxx"
#include "OSDefines.hxx"
#include "Err.hxx"
#include "ProcessingData.hxx"

#include "MediaTime.hxx"
#include "PitchNote.hxx"

namespace CLAM {

        class Note: public ProcessingData
        {
        public:
                DYNAMIC_TYPE_USING_INTERFACE (Note, 7, ProcessingData);
                /* Pitch information (not by default) */
                DYN_ATTRIBUTE (0, public, PitchNote, PitchNote);
                /* Note Fundamental frequency (by default) */
                DYN_ATTRIBUTE (1, public, TData, FundFreq); 
                /* Note energy (by default) */
                DYN_ATTRIBUTE (2, public, TData, Energy);
                DYN_ATTRIBUTE (3, public, MediaTime, Time);
                /* Intranote duration (not by default) */
                DYN_ATTRIBUTE (4, public, MediaTime, Attack);
                DYN_ATTRIBUTE (5, public, MediaTime, Sustain);
                DYN_ATTRIBUTE (6, public, MediaTime, Release);

                int GetNoteNumber()
                {
                        return Round(69+log(GetFundFreq()/440)*17.31234);
                }
                int GetVelocity()
                {
                //this mapping is experimental and should be revisited
                        TData velocity=65*log10(GetEnergy())+65;
                        if(velocity<25) velocity=25;
                        return (int)velocity;//65;
                }
        private:
                void DefaultInit();     
        };

}; // namespace CLAM


#endif // _Note_

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