Merge branch 'voice'

1 files changed, 64 insertions, 9 deletions

diff --git a/source/application/StarMainApplication_sdl.cpp b/source/application/StarMainApplication_sdl.cpp
index a7dc50f..8b8c702 100644
--- a/source/application/StarMainApplication_sdl.cpp
+++ b/source/application/StarMainApplication_sdl.cpp
@@ -248,9 +248,15 @@ public:
     if (SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER))
       throw ApplicationException(strf("Couldn't initialize SDL Controller: {}", SDL_GetError()));
 
-    Logger::info("Application: Initializing SDL Sound");
+#ifdef STAR_SYSTEM_WINDOWS // Newer SDL is defaulting to xaudio2, which does not support audio capture
+    SDL_setenv("SDL_AUDIODRIVER", "directsound", 1);
+#endif
+
+    Logger::info("Application: Initializing SDL Audio");
     if (SDL_InitSubSystem(SDL_INIT_AUDIO))
-      throw ApplicationException(strf("Couldn't initialize SDL Sound: {}", SDL_GetError()));
+      throw ApplicationException(strf("Couldn't initialize SDL Audio: {}", SDL_GetError()));
+
+    Logger::info("Application: using Audio Driver '{}'", SDL_GetCurrentAudioDriver());
 
     SDL_JoystickEventState(SDL_ENABLE);
 
@@ -292,15 +298,15 @@ public:
     };
 
     SDL_AudioSpec obtained = {};
-    m_sdlAudioDevice = SDL_OpenAudioDevice(NULL, 0, &desired, &obtained, 0);
-    if (!m_sdlAudioDevice) {
+    m_sdlAudioOutputDevice = SDL_OpenAudioDevice(NULL, 0, &desired, &obtained, 0);
+    if (!m_sdlAudioOutputDevice) {
       Logger::error("Application: Could not open audio device, no sound available!");
     } else if (obtained.freq != desired.freq || obtained.channels != desired.channels || obtained.format != desired.format) {
-      SDL_CloseAudioDevice(m_sdlAudioDevice);
+      SDL_CloseAudioDevice(m_sdlAudioOutputDevice);
       Logger::error("Application: Could not open 44.1khz / 16 bit stereo audio device, no sound available!");
     } else {
       Logger::info("Application: Opened default audio device with 44.1khz / 16 bit stereo audio, {} sample size buffer", obtained.samples);
-      SDL_PauseAudioDevice(m_sdlAudioDevice, 0);
+      SDL_PauseAudioDevice(m_sdlAudioOutputDevice, 0);
     }
 
     m_renderer = make_shared<OpenGl20Renderer>();
@@ -311,7 +317,10 @@ public:
 
   ~SdlPlatform() {
 
-    SDL_CloseAudioDevice(m_sdlAudioDevice);
+    if (m_sdlAudioOutputDevice)
+      SDL_CloseAudioDevice(m_sdlAudioOutputDevice);
+
+    closeAudioInputDevice();
 
     m_renderer.reset();
 
@@ -321,6 +330,43 @@ public:
     SDL_Quit();
   }
 
+  bool openAudioInputDevice(const char* name, int freq, int channels, void* userdata, SDL_AudioCallback callback) {
+    SDL_AudioSpec desired = {};
+    desired.freq = freq;
+    desired.format = AUDIO_S16SYS;
+    desired.samples = 1024;
+    desired.channels = channels;
+    desired.userdata = userdata;
+    desired.callback = callback;
+
+    closeAudioInputDevice();
+
+    SDL_AudioSpec obtained = {};
+    m_sdlAudioInputDevice = SDL_OpenAudioDevice(name, 1, &desired, &obtained, 0);
+
+    if (m_sdlAudioInputDevice) {
+      if (name)
+        Logger::info("Opened audio input device '{}'", name);
+      else
+        Logger::info("Opened default audio input device");
+      SDL_PauseAudioDevice(m_sdlAudioInputDevice, 0);
+    }
+    else
+      Logger::info("Failed to open audio input device: {}", SDL_GetError());
+
+    return m_sdlAudioInputDevice != 0;
+  }
+
+  bool closeAudioInputDevice() {
+    if (m_sdlAudioInputDevice) {
+      Logger::info("Closing audio input device");
+      SDL_CloseAudioDevice(m_sdlAudioInputDevice);
+      m_sdlAudioInputDevice = 0;
+      return true;
+    }
+    return false;
+  }
+
   void cleanup() {
     m_cursorCache.ptr(m_currentCursor);
     m_cursorCache.cleanup();
@@ -397,7 +443,7 @@ public:
       Logger::error("Application: threw exception during shutdown: {}", outputException(e, true));
     }
 
-    SDL_CloseAudioDevice(m_sdlAudioDevice);
+    SDL_CloseAudioDevice(m_sdlAudioOutputDevice);
     m_SdlControllers.clear();
 
     SDL_SetCursor(NULL);
@@ -569,6 +615,14 @@ private:
       SDL_PauseAudio(true);
     }
 
+    bool openAudioInputDevice(const char* name, int freq, int channels, void* userdata, AudioCallback callback) override {
+      return parent->openAudioInputDevice(name, freq, channels, userdata, callback);
+    };
+
+    bool closeAudioInputDevice() override {
+      return parent->closeAudioInputDevice();
+    };
+
     float updateRate() const override {
       return parent->m_updateRate;
     }
@@ -803,7 +857,8 @@ private:
 
   SDL_Window* m_sdlWindow = nullptr;
   SDL_GLContext m_sdlGlContext = nullptr;
-  SDL_AudioDeviceID m_sdlAudioDevice = 0;
+  SDL_AudioDeviceID m_sdlAudioOutputDevice = 0;
+  SDL_AudioDeviceID m_sdlAudioInputDevice = 0;
 
   typedef std::unique_ptr<SDL_GameController, decltype(&SDL_GameControllerClose)> SDLGameControllerUPtr;
   StableHashMap<int, SDLGameControllerUPtr> m_SdlControllers;