Audio: Properly close audio device on emulator destruction (#637)

* Audio: Properly close audio device on emulator destruction

* Undo oopsie

include/audio/miniaudio_device.hpp

@@ -21,10 +21,12 @@ class MiniAudioDevice {
 	bool running = false;
 
 	std::vector<std::string> audioDevices;
+
   public:
 	MiniAudioDevice();
 	// If safe is on, we create a null audio device
 	void init(Samples& samples, bool safe = false);
+	void close();
 
 	void start();
 	void stop();

src/core/audio/miniaudio_device.cpp

@@ -130,7 +130,7 @@ void MiniAudioDevice::start() {
 
 void MiniAudioDevice::stop() {
 	if (!initialized) {
-		Helpers::warn("MiniAudio device not initialized, can't start");
+		Helpers::warn("MiniAudio device not initialized, can't stop");
 		return;
 	}
 
@@ -142,3 +142,14 @@ void MiniAudioDevice::stop() {
 		}
 	}
 }
+
+void MiniAudioDevice::close() {
+	stop();
+
+	if (initialized) {
+		initialized = false;
+
+		ma_device_uninit(&device);
+		ma_context_uninit(&context);
+	}
+}

src/emulator.cpp

@@ -50,6 +50,7 @@ Emulator::Emulator()
 Emulator::~Emulator() {
 	config.save();
 	lua.close();
+	audioDevice.close();
 
 #ifdef PANDA3DS_ENABLE_DISCORD_RPC
 	discordRpc.stop();