peak_fall_smooth.h

// SPDX-FileCopyrightText: © 2023-2024 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
/*
 * This file incorporates work covered by the following copyright and
 * permission notices:
 *
 * ---
 *
 * SPDX-FileCopyrightText: © 2023 Patrick Desaulniers
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * ---
 */
 
#ifndef ZRYTHM_DSP_PEAK_FALL_SMOOTH_H
#define ZRYTHM_DSP_PEAK_FALL_SMOOTH_H
 
namespace zrythm::dsp
{
 
class PeakFallSmooth
{
public:
  void  calculate_coeff (float frequency, float sample_rate);
  void  set_value (float val);
  float get_smoothed_value () const;
 
private:
  mutable float history_ = 0.f;
  float         value_ = 0.f;
  float         coeff_ = 0.f;
};
 
}; // namespace zrythm::dsp
 
#endif