tyrav2 init

engine/inc/audio/audio.hpp

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+/*
+# ______       ____   ___
+#   |     \/   ____| |___|
+#   |     |   |   \  |   |
+#-----------------------------------------------------------------------
+# Copyright 2020-2022, Tyra - https://github.com/h4570/tyrav2
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+# Wellinator Carvalho <wellcoj@gmail.com>
+*/
+
+#pragma once
+
+#include "./audio_listener.hpp"
+#include <audsrv.h>
+#include <string>
+
+namespace Tyra {
+
+struct AudioListenerRef {
+  AudioListener* listener;
+  u32 id;
+};
+
+/**
+ * Class responsible for audio playing.
+ * There are two main features:
+ * - WAV song (background music)
+ * - ADPCM samples
+ */
+class Audio {
+ public:
+  /** Constructor is called by the engine. */
+  Audio();
+  ~Audio();
+
+  void init();
+
+  /**
+   * Load 24bit 22050Hz Stereo WAV.
+   * Can be used multiple times for song switching.
+   * @param t_path Example: "host:song.wav" or "host:folder/song.wav"
+   */
+  void loadSong(const char* t_path);
+
+  /**
+   * Load 24bit 22050Hz Stereo WAV.
+   * Can be used multiple times for song switching.
+   * @param t_path Example: "host:song.wav" or "host:folder/song.wav"
+   */
+  inline void loadSong(const std::string& t_path) { loadSong(t_path.c_str()); }
+
+  void playSong();
+
+  void stopSong();
+
+  const u8& isSongPlaying() const { return songPlaying; }
+
+  const u8& isSongLoaded() const { return songLoaded; }
+
+  /**
+   * Set song loop/noloop.
+   * @returns Looping state is  0 - noloop / 1 - loop
+   */
+  const u8& isSongInLoop() const { return songInLoop; }
+
+  /**
+   * Set song loop/noloop.
+   * @param t_set false - noloop, true - loop
+   */
+  void setSongLoop(const u8& t_set) { songInLoop = t_set; }
+
+  const u8& getVolume() const { return tyraVolume; }
+
+  /**
+   * Set song volume.
+   * @param t_vol Value 0-100
+   */
+  void setSongVolume(const u8& t_vol);
+
+  /**
+   * If you want to synchronize some actions with
+   * background song, add audio listener.
+   * @returns Listener id.
+   */
+  u32 addSongListener(AudioListener* t_listener);
+
+  /** Remove song listener. */
+  void removeSongListener(const u32& t_id);
+
+  /**
+   * Load ADPCM sample. ADPCM sample is an output from
+   * "adpenc" tool, shipped with PS2SDK.
+   * @param t_path Example: "host:hit.adpcm" or "host:folder/jump.adpcm"
+   */
+  audsrv_adpcm_t* loadADPCM(const char* t_path);
+
+  /**
+   * Load ADPCM sample. ADPCM sample is an output from
+   * "adpenc" tool, shipped with PS2SDK.
+   * @param t_path Example: "host:hit.adpcm" or "host:folder/jump.adpcm"
+   */
+  inline audsrv_adpcm_t* loadADPCM(const std::string& t_path) {
+    return loadADPCM(t_path.c_str());
+  }
+
+  /**
+   * Play ADPCM sample.
+   * ADPCM sample can't be stopped.
+   * @param t_adpcm ADPCM data, created by loadADPCM();
+   */
+  void playADPCM(audsrv_adpcm_t* t_adpcm);
+
+  /**
+   * Play ADPCM sample.
+   * ADPCM sample can't be stopped.
+   * @param t_adpcm ADPCM data, created by loadADPCM();
+   * @param t_ch Channel (0-23). Type -1 for use any free channel.
+   */
+  void playADPCM(audsrv_adpcm_t* t_adpcm, const s8& t_ch);
+
+  /**
+   * Set ADPCM volume.
+   * @param t_vol Value 0-100
+   * @param t_ch Channel (0-23)
+   */
+  void setADPCMVolume(const u8& t_vol, const s8& t_ch) {
+    audsrv_adpcm_set_volume(t_ch, t_vol);
+  }
+
+  void work();
+
+ private:
+  u8 songLoaded, tyraVolume, audsrvVolume, songPlaying, songInLoop,
+      songFinished;
+  FILE* wav;
+  audsrv_fmt_t format;
+  std::vector<AudioListenerRef*> songListeners;
+
+  ee_thread_t thread;
+  int threadId;
+  static const u16 threadStackSize;
+  u8* threadStack;
+
+  ee_sema_t sema;
+  s32 fillbufferSema;
+  static const u16 chunkSize;
+  char* chunk;
+  s32 chunkReadStatus;
+
+  void setSongFormat();
+  void unloadSong();
+  void rewindSongToStart();
+  u32 getSongListenersCount() const { return songListeners.size(); }
+
+  void initSema();
+  void initAUDSRV();
+  void initThread();
+};
+
+}  // namespace Tyra