view data/model/NoteData.h @ 875:3e6ed8a8577b tonioni

Use a sparse time-value model only for outputs with fixed bin count of 1, not for those with unknown bin count.
(Precursor to using more than one model for outputs with unknown bin count)

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    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.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef NOTE_DATA_H
#define NOTE_DATA_H

#include <vector>

#include "base/Pitch.h"

struct NoteData
{
    NoteData(size_t _start, size_t _dur, int _mp, int _vel) :
	start(_start), duration(_dur), midiPitch(_mp), frequency(0),
	isMidiPitchQuantized(true), velocity(_vel) { };
            
    size_t start;     // audio sample frame
    size_t duration;  // in audio sample frames
    int midiPitch; // 0-127
    float frequency; // Hz, to be used if isMidiPitchQuantized false
    bool isMidiPitchQuantized;
    int velocity;  // MIDI-style 0-127

    float getFrequency() const {
        if (isMidiPitchQuantized) {
            return Pitch::getFrequencyForPitch(midiPitch);
        } else {
            return frequency;
        }
    }
};

typedef std::vector<NoteData> NoteList;

class NoteExportable
{
public:
    virtual NoteList getNotes() const = 0;
    virtual NoteList getNotes(size_t startFrame, size_t endFrame) const = 0;
};

#endif