Update CocoaCore for latest Core specs, SoundManager will now explicitly write silence to buffer when there are no sounds to mix

include/polycode/core/PolyCocoaCore.h

@@ -48,6 +48,8 @@ namespace Polycode {
 	
 	class _PolyExport PosixMutex : public CoreMutex {
 	public:
+        void lock();
+        void unlock();
 		pthread_mutex_t pMutex;
 	};
 	
@@ -149,8 +151,6 @@ namespace Polycode {
 		
 		void makeApplicationMain();
 		
-		void lockMutex(CoreMutex *mutex);
-		void unlockMutex(CoreMutex *mutex);
 		CoreMutex *createMutex();		
 		
 		void checkEvents();		

src/core/PolyCocoaCore.mm

@@ -39,6 +39,15 @@
 
 using namespace Polycode;
 
+void PosixMutex::lock() {
+    pthread_mutex_lock(&pMutex);    
+}
+
+void PosixMutex::unlock() {
+    pthread_mutex_unlock(&pMutex);
+}
+
+
 static bool DisplayModeIs32Bit(CGDisplayModeRef displayMode)
 {
 	bool is32Bit = false;
@@ -344,16 +353,6 @@ void CocoaCore::createThread(Threaded *target) {
 	pthread_create( &thread, NULL, ManagedThreadFunc, (void*)target);
 }
 
-void CocoaCore::lockMutex(CoreMutex *mutex) {
-	PosixMutex *m = (PosixMutex*) mutex;
-	pthread_mutex_lock(&m->pMutex);	
-}
-
-void CocoaCore::unlockMutex(CoreMutex *mutex) {
-	PosixMutex *m = (PosixMutex*) mutex;
-	pthread_mutex_unlock(&m->pMutex);
-}
-
 CoreMutex *CocoaCore::createMutex() {
 	PosixMutex *mutex = new PosixMutex();	
 	pthread_mutex_init(&mutex->pMutex, NULL);

src/core/PolySoundManager.cpp

@@ -164,6 +164,7 @@ void AudioMixer::mixIntoBuffer(int16_t *buffer, unsigned int numSamples) {
 	mixerMutex->lock();
 
 	if (sounds.size() == 0) {
+        memset(buffer, 0, sizeof(int16_t) * numSamples * POLY_NUM_CHANNELS);
 		mixerMutex->unlock();
 		return;
 	}