metronome.h

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// SPDX-FileCopyrightText: © 2019-2021 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __AUDIO_METRONOME_H__
#define __AUDIO_METRONOME_H__
 
#include <cstddef>
 
#include "utils/types.h"
 
typedef struct AudioEngine AudioEngine;
 
#define METRONOME (AUDIO_ENGINE->metronome)
 
enum class MetronomeType
{
  METRONOME_TYPE_NONE,
  METRONOME_TYPE_EMPHASIS,
  METRONOME_TYPE_NORMAL,
};
 
typedef struct Metronome
{
  char * emphasis_path;
 
  char * normal_path;
 
  float * emphasis;
 
  size_t emphasis_size;
 
  channels_t emphasis_channels;
 
  float * normal;
 
  size_t normal_size;
 
  channels_t normal_channels;
 
  float volume;
} Metronome;
 
Metronome *
metronome_new (void);
 
NONNULL void
metronome_set_volume (Metronome * self, float volume);
 
NONNULL void
metronome_queue_events (
  AudioEngine *   self,
  const nframes_t loffset,
  const nframes_t nframes);
 
NONNULL void
metronome_free (Metronome * self);
 
#endif