new audio engine backend for native CoreAudio audio I/O, and PortMIDI for MIDI.

Code builds, runs and functions. Full code review still pending, and some possibly changes to organization of code within the backend is possible

libs/backends/wavesaudio/wavesapi/refmanager/WCRefManager.cpp

@@ -0,0 +1,44 @@
+/*
+    Copyright (C) 2013 Waves Audio Ltd.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+#include "WCRefManager.h"
+
+/// Construcotr.
+WCRefManager::WCRefManager()
+{
+	m_RefCount = 1;
+}
+
+/// Destructor.
+WCRefManager::~WCRefManager()
+{
+}
+
+/// Adds a reference to class.
+void WCRefManager::AddRef()
+{
+	m_RefCount++;
+}
+
+/// Decrements reference count and deletes the object if reference count becomes zero.
+void WCRefManager::Release()
+{
+	m_RefCount--;
+	if( m_RefCount <= 0 )
+		delete this;
+}