/* Copyright 2013-2019 Matt Tytel
 *
 * vital 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 3 of the License, or
 * (at your option) any later version.
 *
 * vital 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 vital.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "JuceHeader.h"

class PitchDetector {
  public:
    static constexpr int kNumPoints = 2520;

    PitchDetector();

    void setSize(int size) { size_ = size; }
    void loadSignal(const float* signal, int size);

    float getPeriodError(float period);
    float findYinPeriod(int max_period);
    float matchPeriod(int max_period);

    const float* data() const { return signal_data_.get(); }

  protected:
    int size_;
    std::unique_ptr<float[]> signal_data_;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PitchDetector)
};