view data/model/NoteData.h @ 985:f073d924a7c3

Fix #1058 clicking row in Layer Edit dialog when colour 3d plot layer active jumps to wrong frame (was using sample rate where resolution intended)
author Chris Cannam
date Tue, 16 Sep 2014 10:29:19 +0100
parents 59e7fe1b1003
children 0d3d1ec7dfde
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/* -*- 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(int _start, int _dur, int _mp, int _vel) :
	start(_start), duration(_dur), midiPitch(_mp), frequency(0),
	isMidiPitchQuantized(true), velocity(_vel) { };
            
    int start;     // audio sample frame
    int 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 getNotesWithin(int startFrame, int endFrame) const = 0;
};

#endif