Thread safe.

PS: The OpenAL is a mess.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4710 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/AudioCommon/Src/AOSoundStream.cpp

@@ -49,16 +49,13 @@ void AOSound::SoundLoop()
 
     while (!threadData)
 	{
-        soundCriticalSection.Enter();
         m_mixer->Mix(realtimeBuffer, numBytesToRender >> 2);
+	    soundCriticalSection.Enter();
 		ao_play(device, (char*)realtimeBuffer, numBytesToRender);
         soundCriticalSection.Leave();
 
-		if (! threadData)
-			soundSyncEvent.Wait();
+		soundSyncEvent.Wait();
 	}
-	ao_close(device);
-	device = NULL;
 }
 
 void *soundThread(void *args)
@@ -84,19 +81,23 @@ void AOSound::Update()
 
 void AOSound::Stop()
 {
-    soundCriticalSection.Enter();
     threadData = 1;
     soundSyncEvent.Set();
-    soundCriticalSection.Leave();
 
-    delete thread;
+    soundCriticalSection.Enter();
+	delete thread;
 	thread = NULL;
+
+	ao_shutdown();
+	ao_close(device);
+	device = NULL;
+	soundCriticalSection.Leave();
+
     soundSyncEvent.Shutdown();
 }
 
-AOSound::~AOSound() {
-	//   FIXME: crashes dolphin
-	//   ao_shutdown();
+AOSound::~AOSound()
+{
 }
 
 #endif

Source/Core/AudioCommon/Src/DSoundStream.cpp

@@ -101,8 +101,8 @@ void DSound::SoundLoop()
 {
 	currentPos = 0;
 	lastPos = 0;
+	dsBuffer->Play(0, 0, DSBPLAY_LOOPING);
 
-	HRESULT hr = dsBuffer->Play(0, 0, DSBPLAY_LOOPING);
 	while (!threadData)
 	{
 		// No blocking inside the csection
@@ -119,19 +119,15 @@ void DSound::SoundLoop()
 			totalRenderedBytes += numBytesToRender;
 			lastPos = currentPos;
 		}
-
 		soundCriticalSection.Leave();
-		if (threadData)
-			break;
 		soundSyncEvent.Wait();
 	}
-
-	dsBuffer->Stop();
 }
 
 bool DSound::Start()
 {
 	soundSyncEvent.Init();
+
 	if (FAILED(DirectSoundCreate8(0, &ds, 0)))
         return false;
 	if (g_dspInitialize.hWnd)
@@ -170,6 +166,8 @@ void DSound::Update()
 void DSound::Clear(bool mute)
 {
 	m_muted = mute;
+
+	soundCriticalSection.Enter();
 	if (m_muted)
 	{
 		dsBuffer->Stop();
@@ -178,21 +176,23 @@ void DSound::Clear(bool mute)
 	{
 		dsBuffer->Play(0, 0, DSBPLAY_LOOPING);
 	}
+	soundCriticalSection.Leave();
 }
 
 void DSound::Stop()
 {
-	soundCriticalSection.Enter();
 	threadData = 1;
 	// kick the thread if it's waiting
 	soundSyncEvent.Set();
-	soundCriticalSection.Leave();
-	delete thread;
 
+	soundCriticalSection.Enter();
+	delete thread;
+	thread = NULL;
+	dsBuffer->Stop();
 	dsBuffer->Release();
 	ds->Release();
+	soundCriticalSection.Leave();
 
 	soundSyncEvent.Shutdown();
-	thread = NULL;
 }
 

Source/Core/AudioCommon/Src/OpenALStream.cpp

@@ -31,6 +31,9 @@ bool OpenALStream::Start()
 	bool bReturn = false;
 	
 	g_uiSource = 0;
+	g_uiBuffers = NULL;
+
+	soundSyncEvent.Init();
 
 	pDeviceList = new ALDeviceList();
 	if ((pDeviceList) && (pDeviceList->GetNumDevices()))
@@ -68,12 +71,20 @@ void OpenALStream::Stop()
 	ALCcontext *pContext;
 	ALCdevice *pDevice;
 
-	soundCriticalSection.Enter();
 	threadData = 1;
 	// kick the thread if it's waiting
 	soundSyncEvent.Set();
-	soundCriticalSection.Leave();
+
+	soundCriticalSection.Enter();
 	delete thread;
+	thread = NULL;
+
+	alSourceStop(g_uiSource);
+	alSourcei(g_uiSource, AL_BUFFER, 0);
+
+	// Clean up buffers and sources
+	alDeleteSources(1, &g_uiSource);
+	alDeleteBuffers(AUDIO_NUMBUFFERS, g_uiBuffers);
 
 	pContext = alcGetCurrentContext();
 	pDevice = alcGetContextsDevice(pContext);
@@ -81,9 +92,9 @@ void OpenALStream::Stop()
 	alcMakeContextCurrent(NULL);
 	alcDestroyContext(pContext);
 	alcCloseDevice(pDevice);
+	soundCriticalSection.Leave();
 
 	soundSyncEvent.Shutdown();
-	thread = NULL;
 }
 
 void OpenALStream::Update()
@@ -97,6 +108,8 @@ void OpenALStream::Update()
 void OpenALStream::Clear(bool mute)
 {
 	m_muted = mute;
+
+	soundCriticalSection.Enter();
 	if(m_muted)
 	{
 		alSourceStop(g_uiSource);
@@ -105,6 +118,7 @@ void OpenALStream::Clear(bool mute)
 	{
 		alSourcePlay(g_uiSource);
 	}
+	soundCriticalSection.Leave();
 }
 
 THREAD_RETURN OpenALStream::ThreadFunc(void* args)
@@ -115,8 +129,8 @@ THREAD_RETURN OpenALStream::ThreadFunc(void* args)
 
 void OpenALStream::SoundLoop()
 {
-	ALuint		    uiBuffers[AUDIO_NUMBUFFERS] = {0};
-	ALuint		    uiSource = 0;
+	ALuint uiBuffers[AUDIO_NUMBUFFERS] = {0};
+	ALuint uiSource = 0;
 	ALenum err;
 	u32 ulFrequency = m_mixer->GetSampleRate();
 	// Generate some AL Buffers for streaming
@@ -135,19 +149,19 @@ void OpenALStream::SoundLoop()
 //*/
 
 	g_uiSource = uiSource;
+	g_uiBuffers = (ALuint *)uiBuffers;
 
 	alSourcePlay(uiSource);
 	err = alGetError();
 
 	while (!threadData) 
 	{
-		soundCriticalSection.Enter();
 		int numBytesToRender = 32768;	//ya, this is a hack, we need real data count
 		/*int numBytesRender =*/ m_mixer->Mix(realtimeBuffer, numBytesToRender >> 2);
-		soundCriticalSection.Leave();
 
 		//if (numBytesRender)	//here need debug
 		{
+			soundCriticalSection.Enter();
 			ALint iBuffersProcessed = 0;
 			alGetSourcei(uiSource, AL_BUFFERS_PROCESSED, &iBuffersProcessed);
 
@@ -170,18 +184,11 @@ void OpenALStream::SoundLoop()
 				}
 				alSourceQueueBuffers(uiSource, 1, &uiTempBuffer);
 			}
+			soundCriticalSection.Leave();
 		}
 		
-		if (!threadData)
-			soundSyncEvent.Wait();
+		soundSyncEvent.Wait();
 	}
-	alSourceStop(uiSource);
-	alSourcei(uiSource, AL_BUFFER, 0);
-
-	// Clean up buffers and sources
-	alDeleteSources(1, &uiSource);
-	alDeleteBuffers(AUDIO_NUMBUFFERS, (ALuint *)uiBuffers);
-
 }
 
 #endif //HAVE_OPENAL

Source/Core/AudioCommon/Src/OpenALStream.h

@@ -61,7 +61,8 @@ private:
 	Common::Event soundSyncEvent;
 	
 	short realtimeBuffer[OAL_BUFFER_SIZE];
-	ALuint		    g_uiSource;
+	ALuint g_uiSource;
+	ALuint *g_uiBuffers;
 #else
 public:
 	OpenALStream(CMixer *mixer, void *hWnd = NULL): SoundStream(mixer) {}