Fix for stuttering audio on mac

audiohandler.cpp

@@ -901,7 +901,11 @@ void audioHandler::reinit()
         audioOutput = new QAudioOutput(deviceInfo, format, this);
 
 		// This seems to only be needed on Linux but is critical in aligning buffer sizes.
-		audioOutput->setBufferSize(chunkSize*4); 
+#ifdef Q_OS_MAC
+        audioOutput->setBufferSize(chunkSize*8);
+#else
+        audioOutput->setBufferSize(chunkSize*4);
+#endif
 
 		connect(audioOutput, SIGNAL(notify()), SLOT(notified()));
         connect(audioOutput, SIGNAL(stateChanged(QAudio::State)), SLOT(stateChanged(QAudio::State)));