sound.h

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// -*- coding: utf-8-unix -*-
/*
 * Copyright (c) 2021-2025 Daishi Mori (mori0091)
 *
 * This software is released under the MIT License.\n
 * See https://github.com/mori0091/libmsx/blob/main/LICENSE
 *
 * GitHub libmsx project\n
 * https://github.com/mori0091/libmsx
 */
#pragma once
 
#ifndef SOUND_H
#define SOUND_H
 
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
 
#define SOUND_CHANNEL_A   (1 << 0)
 
#define SOUND_CHANNEL_B   (1 << 1)
 
#define SOUND_CHANNEL_C   (1 << 2)
 
#define SOUND_CHANNEL_ALL (SOUND_CHANNEL_A | SOUND_CHANNEL_B | SOUND_CHANNEL_C)
 
#define SOUND_SPEED_1X    (4)
 
#define SOUND_SPEED_MIN   (1)
 
#define SOUND_SPEED_MAX   (8)
 
struct sound_fragment {
  uint8_t* streams[3];
};
 
struct sound_clip {
  uint16_t priority;
  size_t num_fragments;
  struct sound_fragment** fragments;
};
 
void sound_init(void);
 
void sound_set_speed(uint8_t multiplier);
 
void sound_set_volume(uint8_t volume);
 
void sound_set_repeat(bool repeat);
 
void sound_set_mute(uint8_t mute);
 
void sound_effect(const struct sound_clip* s);
 
void sound_set_bgm(const struct sound_clip* s);
 
void sound_start(void);
 
void sound_stop(void);
 
void sound_pause(void);
 
void sound_player(void);
 
#endif