Added RawPCM data that doesn't use ring buffer(for non-streaming), and proper deallocation

CMakeLists.txt

@@ -5,7 +5,7 @@ project(ChargeAudio VERSION 1.0)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
 set(CMAKE_MODULE_PATH "modules/" ${CMAKE_MODULE_PATH})
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-subobject-linkage")
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -fsanitize=address")
 endif()
@@ -19,8 +19,9 @@ pkg_check_modules(AVCODEC REQUIRED libavcodec)
 pkg_check_modules(AVUTIL REQUIRED libavutil)
 pkg_check_modules(SWRESAMPLE REQUIRED libswresample)
 
-add_library(ChargeAudio SHARED "src/ChargeAudio.hpp" "src/Engine.cpp"
-                               "src/Sound.cpp" "lib/miniaudio/miniaudio.c")
+add_library(
+  ChargeAudio SHARED "src/ChargeAudio.hpp" "src/Engine.cpp" "src/Sound.cpp"
+                     "src/Listener.cpp" "lib/miniaudio/miniaudio.c")
 
 target_link_libraries(
   ChargeAudio

src/ChargeAudio.hpp

@@ -1,41 +1,117 @@
 #ifndef CHARGE_AUDIO_BASE_H
 #define CHARGE_AUDIO_BASE_H
-#include <Magnum/Magnum.h>
-#include <Magnum/Math/Vector.h>
+#include "miniaudio/miniaudio.h"
+
+#include <Corrade/Containers/Containers.h>
+#include <Corrade/Containers/Pointer.h>
+#include <Magnum/Math/Vector3.h>
+
+#include <functional>
 #include <string>
 
 namespace ChargeAudio {
-namespace {
-#include "miniaudio/miniaudio.h"
-}
+using namespace Corrade;
+
+typedef Containers::Pointer<class Sound> SoundContainer;
+typedef Containers::Pointer<class Listener> ListenerContainer;
 class Sound {
 public:
+  enum class SoundState { Idle, Playing, Paused, Finished };
+  enum class SoundType { FromFile, StreamedRawPCM, RawPCM };
+  // No copying
+  Sound(const Sound &) = delete;
+  Sound &operator=(const Sound &) = delete;
+
+  // No moving
+  Sound(Sound &&) = delete;
+  Sound &operator=(Sound &&) = delete;
+
   ~Sound();
   void Play();
   void Pause();
   void Reset();
+
+  const SoundState GetState();
+  const SoundType GetSoundType();
+
+  const float GetPlaybackTime();
+  bool SetPlaybackTime(float time);
+  const float GetDuration();
   void SetPosition(Magnum::Vector3 position);
-  Magnum::Vector3 GetPosition();
+  const Magnum::Vector3 GetPosition();
   void SetVolume(float value);
-  float GetVolume();
+  const float GetVolume();
 
 private:
-  Sound();
+  Sound(class Engine *engine, std::function<void(Sound *)> setupFunction,
+        SoundType type, std::string additionalErrorMessage = "");
+  static void onSoundFinish(void *customData, ma_sound *);
+
   class Engine *baseEngine;
   ma_sound maSound;
+  ma_sound_config maConfig;
+  ma_pcm_rb maRingBuffer;
+  ma_audio_buffer maAudioBuffer;
+  SoundState state = SoundState::Idle;
+  SoundType type;
+
+  friend class Engine;
+};
+
+class Listener {
+public:
+  // No copying, can move
+  Listener(const Listener &) = delete;
+  Listener &operator=(const Listener &) = delete;
+
+  void SetEnabled(bool isEnabled);
+  const bool GetEnabled();
+  void SetDirection(Magnum::Vector3 position);
+  const Magnum::Vector3 GetDirection();
+  void SetPosition(Magnum::Vector3 position);
+  const Magnum::Vector3 GetPosition();
+
+private:
+  Listener();
+  class Engine *baseEngine;
+  ma_uint32 listenerID;
   friend class Engine;
 };
 
 class Engine {
 public:
-  Engine();
-  Sound CreateSound(std::string filepath);
+  Engine(uint32_t sampleRate = 44100, uint32_t channels = 2);
+
+  // No copying
+  Engine(const Engine &) = delete;
+  Engine &operator=(const Engine &) = delete;
+
+  // No movement
+  Engine(Engine &&) = delete;
+  Engine &operator=(Engine &&) = delete;
+
+  ~Engine();
+
+  // Creating tools
+  SoundContainer CreateSound(int bufferLengthInSeconds);
+  SoundContainer CreateSound(uint8_t *data, int length);
+  SoundContainer CreateSound(std::string filepath, bool streamFile = false);
+  ListenerContainer CreateListener();
+
   void SetVolume(float value);
-  float GetVolume();
+  const float GetVolume();
+
+  uint32_t GetSampleRate();
+  uint32_t GetChannelCount();
 
 private:
   ma_engine maEngine;
+  ma_engine_config maConfig;
   ma_result maResponse;
+  ma_decoder maStero;
+  ma_uint64 listenerCounter = 0;
+  friend class Listener;
+  friend class Sound;
 };
 
 } // namespace ChargeAudio

src/Engine.cpp

@@ -1,37 +1,94 @@
 #include "ChargeAudio.hpp"
-#include <Corrade/Utility/Debug.h>
+#include "miniaudio/miniaudio.h"
 
-#include <cstddef>
+#include <Corrade/Utility/Debug.h>
+#include <cstdint>
 #include <stdexcept>
-#include <string>
 
 using namespace ChargeAudio;
 using namespace Corrade;
 
-Engine::Engine() {
-  if ((maResponse = ma_engine_init(NULL, &maEngine)) != MA_SUCCESS) {
+Engine::Engine(uint32_t sampleRate, uint32_t channels) {
+  maConfig = ma_engine_config_init();
+  maConfig.sampleRate = sampleRate;
+  maConfig.channels = channels;
+
+  if ((maResponse = ma_engine_init(&maConfig, &maEngine)) != MA_SUCCESS) {
     Utility::Error{} << "Could not init miniaudio (" << maResponse << ")";
     throw new std::runtime_error(
         "Failed to init miniaudio engine. Check STDERR for more info.");
   }
 }
 
-Sound Engine::CreateSound(std::string filepath) {
-  Sound sound;
-  sound.baseEngine = this;
+Engine::~Engine() { ma_engine_uninit(&maEngine); }
 
-  maResponse = ma_sound_init_from_file(&maEngine, filepath.c_str(), 0, NULL,
-                                       NULL, &sound.maSound);
-  if (maResponse != MA_SUCCESS) {
-    Utility::Error{} << "Failed to create the sound from the file: "
-                     << filepath.c_str() << " (" << maResponse << ")";
-    throw new std::runtime_error(
-        "Failed to create the sound from file. Check STDERR for more info.");
-  }
+uint32_t Engine::GetSampleRate() { return maEngine.sampleRate; }
+uint32_t Engine::GetChannelCount() { return ma_engine_get_channels(&maEngine); }
 
-  return sound;
+// Use case: Stream of PCM data
+SoundContainer Engine::CreateSound(int bufferLengthInSeconds) {
+  return SoundContainer(new Sound(
+      this,
+      [length = bufferLengthInSeconds, channels = GetChannelCount(),
+       sampleRate = GetSampleRate()](Sound *sound) {
+        ma_result result = ma_pcm_rb_init(
+            ma_format_s32, channels, sampleRate * channels * length, nullptr,
+            nullptr, &sound->maRingBuffer);
+        if (result != MA_SUCCESS) {
+          Utility::Error{} << "Failed to create a new ring buffer!" << " ("
+                           << result << ")";
+          throw new std::runtime_error("Failed to create a new ring buffer! "
+                                       "Check STDERR for more info.");
+        }
+      },
+      Sound::SoundType::StreamedRawPCM,
+      "Failed to create the sound from ring buffer: "));
+}
+
+// Use case: 1 time set up and use audio
+SoundContainer Engine::CreateSound(uint8_t *data, int length) {
+  return SoundContainer(new Sound(
+      this,
+      [data, length, channels = GetChannelCount(),
+       sampleRate = GetSampleRate()](Sound *sound) {
+        ma_audio_buffer_config config = ma_audio_buffer_config_init(
+            ma_format_s32, channels, length / (4 * channels), data, nullptr);
+        ma_result result =
+            ma_audio_buffer_init_copy(&config, &sound->maAudioBuffer);
+
+        if (result != MA_SUCCESS) {
+          Utility::Error{} << "Failed to create a new audio buffer!" << " ("
+                           << result << ")";
+          throw new std::runtime_error("Failed to create a new audio buffer! "
+                                       "Check STDERR for more info.");
+        }
+
+        sound->maConfig.pDataSource = &sound->maAudioBuffer;
+      },
+      Sound::SoundType::RawPCM,
+      "Failed to create the sound from the PCM data: "));
+}
+
+SoundContainer Engine::CreateSound(const std::string filepath,
+                                   bool streamFile) {
+  return SoundContainer(new Sound(
+      this,
+      [filepath, streamFile](Sound *sound) {
+        sound->maConfig.pFilePath = filepath.c_str();
+        sound->maConfig.flags = (streamFile ? MA_SOUND_FLAG_STREAM : 0);
+      },
+      Sound::SoundType::FromFile,
+      "Failed to create the sound from the file: " + filepath));
+}
+
+ListenerContainer Engine::CreateListener() {
+  auto listener = ListenerContainer(new Listener());
+  listener->baseEngine = this;
+  listener->listenerID = listenerCounter++;
+
+  return listener;
 }
 
 // Controls
 void Engine::SetVolume(float value) { ma_engine_set_volume(&maEngine, value); }
-float Engine::GetVolume() { return ma_engine_get_volume(&maEngine); }
+const float Engine::GetVolume() { return ma_engine_get_volume(&maEngine); }

src/Listener.cpp

@@ -0,0 +1,36 @@
+#include "ChargeAudio.hpp"
+
+using namespace ChargeAudio;
+
+Listener::Listener() {}
+
+// Controls
+void Listener::SetEnabled(bool isEnabled) {
+  ma_engine_listener_set_enabled(&baseEngine->maEngine, listenerID, isEnabled);
+}
+
+const bool Listener::GetEnabled() {
+  return ma_engine_listener_is_enabled(&baseEngine->maEngine, listenerID);
+}
+
+void Listener::SetDirection(Magnum::Vector3 position) {
+  ma_engine_listener_set_direction(&baseEngine->maEngine, listenerID,
+                                   position.x(), position.y(), position.z());
+}
+
+const Magnum::Vector3 Listener::GetDirection() {
+  ma_vec3f dir =
+      ma_engine_listener_get_direction(&baseEngine->maEngine, listenerID);
+  return Magnum::Vector3{dir.x, dir.y, dir.z};
+}
+
+void Listener::SetPosition(Magnum::Vector3 position) {
+  ma_engine_listener_set_position(&baseEngine->maEngine, listenerID,
+                                  position.x(), position.y(), position.z());
+}
+
+const Magnum::Vector3 Listener::GetPosition() {
+  ma_vec3f pos =
+      ma_engine_listener_get_position(&baseEngine->maEngine, listenerID);
+  return Magnum::Vector3(pos.x, pos.y, pos.z);
+}

src/Sound.cpp

@@ -1,22 +1,97 @@
 #include "ChargeAudio.hpp"
-#include <Magnum/Magnum.h>
-#include <Magnum/Math/Vector3.h>
+
+#include <functional>
+#include <stdexcept>
 
 using namespace ChargeAudio;
-Sound::~Sound() { ma_sound_uninit(&maSound); }
+Sound::Sound(Engine *engine, std::function<void(Sound *)> setupFunction,
+             SoundType soundType, std::string additionalErrorMessage)
+    : baseEngine(engine) {
+  maConfig = ma_sound_config_init_2(&baseEngine->maEngine);
+  maConfig.endCallback = Sound::onSoundFinish;
+  maConfig.pEndCallbackUserData = this;
+  setupFunction(this);
+  ma_result maResponse =
+      ma_sound_init_ex(&baseEngine->maEngine, &maConfig, &maSound);
+  if (maResponse != MA_SUCCESS) {
+    Utility::Error{} << "Failed to create a new sound" << " (" << maResponse
+                     << ")";
+    throw new std::runtime_error(
+        "Failed to create a new sound. Check STDERR for more info.\n" +
+        additionalErrorMessage);
+  }
+  type = soundType;
+}
+
+Sound::~Sound() {
+  switch (type) {
+  case Sound::SoundType::RawPCM:
+    ma_audio_buffer_uninit_and_free(&maAudioBuffer);
+    break;
+  case Sound::SoundType::StreamedRawPCM:
+    ma_pcm_rb_uninit(&maRingBuffer);
+    break;
+  default:
+    break;
+  }
+  ma_sound_uninit(&maSound);
+}
+
+const Sound::SoundState Sound::GetState() { return state; }
+const Sound::SoundType Sound::GetSoundType() { return type; }
+
+const float Sound::GetDuration() {
+  float time;
+  ma_sound_get_length_in_seconds(&this->maSound, &time);
+  return time;
+}
+
+const float Sound::GetPlaybackTime() {
+  float time;
+  ma_sound_get_cursor_in_seconds(&this->maSound, &time);
+  return time;
+}
+
+// true or false depending on if the playback was set
+bool Sound::SetPlaybackTime(float time) {
+  // Better to just catch it from the start
+  if (time < 0) {
+    return false;
+  }
+
+  bool result = ma_sound_seek_to_second(&maSound, time) != MA_SUCCESS;
+  if (result) {
+    Utility::Error{} << "Failed to set playback time to " << time
+                     << " on a sound instance";
+  }
+  return result;
+}
 
 // Controls
-void Sound::Play() { ma_sound_start(&maSound); }
-void Sound::Pause() { ma_sound_stop(&maSound); }
+void Sound::Play() {
+  ma_sound_start(&maSound);
+  state = Sound::SoundState::Playing;
+}
+
+void Sound::Pause() {
+  ma_sound_stop(&maSound);
+  state = Sound::SoundState::Paused;
+}
+
 void Sound::Reset() { ma_sound_seek_to_pcm_frame(&maSound, 0); }
 
 void Sound::SetPosition(Magnum::Vector3 position) {
   ma_sound_set_position(&maSound, position.x(), position.y(), position.z());
 }
-Magnum::Vector3 Sound::GetPosition() {
+const Magnum::Vector3 Sound::GetPosition() {
   ma_vec3f pos = ma_sound_get_position(&maSound);
-  Magnum::Vector3 position(pos.x, pos.y, pos.z);
-  return position;
+  return Magnum::Vector3(pos.x, pos.y, pos.z);
 }
 void Sound::SetVolume(float value) { ma_sound_set_volume(&maSound, value); }
-float Sound::GetVolume() { return ma_sound_get_volume(&maSound); }
+const float Sound::GetVolume() { return ma_sound_get_volume(&maSound); }
+
+// STATICs
+void Sound::onSoundFinish(void *customData, ma_sound *) {
+  auto sound = static_cast<Sound *>(customData);
+  sound->state = SoundState::Finished;
+}