autotune.h

#ifndef AUTOTUNE_H
#define AUTOTUNE_H
#include <map>
#include <vector>
#include <thread>
#include "utils.h"
#include "params.h"
#include "fft.h"
#include "tempo.h"
using namespace std;
 

class Autotune
{
private:
    vector<double> scaleNotes;
    static map<char, vector<int>> intervals;
    static map<string, double> rootNotes;
    int sampleRate;
 

    void tuneSlice(vector<double> slice, int start, vector<double>& out);
 

    void tuneChannel(const vector<double>& channel, vector<double>&out);

    double findShiftingFactor(double f);
 
 
public:
    double intensity;
    string note;
    char scale; // Major (M) or minor (m)

    Autotune(double intensity, string note, char scale);

    vector<vector<double>> process(const vector<vector<double>>& samples, int sampleRate);

    void fillNoteTable();
};
 
#endif