view base/NoteData.h @ 1784:4eac4bf35b45

More graceful handling of failure to construct FFT models in the case where the source model has already been deleted before this occurs
author Chris Cannam
date Tue, 17 Sep 2019 11:21:33 +0100
parents 7a23dfe65d66
children
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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 SV_NOTE_DATA_H
#define SV_NOTE_DATA_H

#include <vector>

#include "Pitch.h"

/**
 * Note record used when constructing synthetic events for sonification.
 */
struct NoteData
{
    NoteData(sv_frame_t _start, sv_frame_t _dur, int _mp, int _vel) :
        start(_start), duration(_dur), midiPitch(_mp), frequency(0),
        isMidiPitchQuantized(true), velocity(_vel), channel(0) { };
            
    sv_frame_t start;       // audio sample frame
    sv_frame_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
    int channel;     // MIDI 0-15

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

typedef std::vector<NoteData> NoteList;

#endif