peak_fall_smooth.h

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// SPDX-FileCopyrightText: © 2023 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 __AUDIO_PEAK_FALL_SMOOTH_H__
#define __AUDIO_PEAK_FALL_SMOOTH_H__
 
typedef struct PeakFallSmooth
{
  float history;
  float value;
  float coeff;
} PeakFallSmooth;
 
PeakFallSmooth *
peak_fall_smooth_new (void);
 
void
peak_fall_smooth_calculate_coeff (
  PeakFallSmooth * self,
  const float      frequency,
  const float      sample_rate);
 
void
peak_fall_smooth_set_value (PeakFallSmooth * self, const float val);
 
float
peak_fall_smooth_get_smoothed_value (PeakFallSmooth * self);
 
void
peak_fall_smooth_free (PeakFallSmooth * self);
 
#endif