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diff --git a/distrho/src/CoreAudio106/AudioUnits/AUPublic/AUBase/ComponentBase.h b/distrho/src/CoreAudio106/AudioUnits/AUPublic/AUBase/ComponentBase.h
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+/*	Copyright © 2007 Apple Inc. All Rights Reserved.
+	
+	Disclaimer: IMPORTANT:  This Apple software is supplied to you by 
+			Apple Inc. ("Apple") in consideration of your agreement to the
+			following terms, and your use, installation, modification or
+			redistribution of this Apple software constitutes acceptance of these
+			terms.  If you do not agree with these terms, please do not use,
+			install, modify or redistribute this Apple software.
+			
+			In consideration of your agreement to abide by the following terms, and
+			subject to these terms, Apple grants you a personal, non-exclusive
+			license, under Apple's copyrights in this original Apple software (the
+			"Apple Software"), to use, reproduce, modify and redistribute the Apple
+			Software, with or without modifications, in source and/or binary forms;
+			provided that if you redistribute the Apple Software in its entirety and
+			without modifications, you must retain this notice and the following
+			text and disclaimers in all such redistributions of the Apple Software. 
+			Neither the name, trademarks, service marks or logos of Apple Inc. 
+			may be used to endorse or promote products derived from the Apple
+			Software without specific prior written permission from Apple.  Except
+			as expressly stated in this notice, no other rights or licenses, express
+			or implied, are granted by Apple herein, including but not limited to
+			any patent rights that may be infringed by your derivative works or by
+			other works in which the Apple Software may be incorporated.
+			
+			The Apple Software is provided by Apple on an "AS IS" basis.  APPLE
+			MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
+			THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
+			FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
+			OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
+			
+			IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
+			OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+			SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+			INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
+			MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
+			AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
+			STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
+			POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef __ComponentBase_h__
+#define __ComponentBase_h__
+
+#include <new>
+#include "CADebugMacros.h"
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+	#include <AudioUnit/AudioUnit.h>
+
+	#if !TARGET_OS_IPHONE
+		#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/Components.h>
+	
+		#if	(MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_5)
+			#define AudioComponentInstance			ComponentInstance
+			#define AudioComponentDescription		ComponentDescription
+			#define	AudioComponent					Component
+			#define CA_DO_NOT_USE_AUDIO_COMPONENT	1
+		#endif
+	#endif
+
+	#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
+		typedef Float32 AudioUnitParameterValue;
+	#endif
+	#if COREAUDIOTYPES_VERSION < 1051
+		typedef Float32 AudioUnitSampleType;
+	#endif
+
+	#include <pthread.h>
+#else
+	#include "CoreAudioTypes.h"
+	#include "Components.h"
+	#include "AudioUnit.h"
+	#include "CAGuard.h"
+#endif
+
+#ifndef COMPONENT_THROW
+	#if VERBOSE_COMPONENT_THROW
+		#define COMPONENT_THROW(err) \
+			do { DebugMessage(#err); throw static_cast<OSStatus>(err); } while (0)
+	#else
+		#define COMPONENT_THROW(err) \
+			throw static_cast<OSStatus>(err)
+	#endif
+#endif
+
+#define COMPONENT_CATCH \
+	catch (std::bad_alloc &) { result = -108/*memFullErr*/; } \
+	catch (OSStatus err) { result = err; } \
+	catch (OSErr err) { result = err; } \
+	catch (...) { result = -1; }
+
+class ComponentInitLocker 
+{
+#if TARGET_OS_MAC
+public:
+	ComponentInitLocker() { pthread_mutex_lock(&sComponentOpenMutex); }
+	~ComponentInitLocker() { pthread_mutex_unlock(&sComponentOpenMutex); }
+private:
+	static pthread_mutex_t sComponentOpenMutex;
+#elif TARGET_OS_WIN32
+public:
+	bool sNeedsUnlocking;
+	ComponentInitLocker() { sNeedsUnlocking = sComponentOpenGuard.Lock(); }
+	~ComponentInitLocker() { if(sNeedsUnlocking) { sComponentOpenGuard.Unlock(); } }
+private:
+	static CAGuard	sComponentOpenGuard;
+#endif
+};
+
+#if !TARGET_OS_IPHONE
+	/*! @class ComponentEntryPoint */
+template <class Class>
+class ComponentEntryPoint {
+public:
+	/*! @method Dispatch */
+	static OSStatus Dispatch(ComponentParameters *params, Class *obj)
+	{
+		OSStatus result = noErr;
+		
+		try {
+			if (params->what == kComponentOpenSelect) {
+				// solve a host of initialization thread safety issues.
+				ComponentInitLocker lock;
+
+				ComponentInstance ci = (ComponentInstance)(params->params[0]);
+				Class *This = new Class((AudioComponentInstance)ci);
+				This->PostConstructor();	// allows base class to do additional initialization
+											// once the derived class is fully constructed
+				
+				#if !CA_AU_IS_ONLY_PLUGIN
+					SetComponentInstanceStorage(ci, (Handle)This);
+				#endif
+			} else
+				result = Class::ComponentEntryDispatch(params, obj);
+		}
+		COMPONENT_CATCH
+		
+		return result;
+	}
+	
+	/*! @method Register */
+	static Component Register(OSType compType, OSType subType, OSType manufacturer)
+	{
+		ComponentDescription	description = {compType, subType, manufacturer, 0, 0};
+		Component	component = RegisterComponent(&description, (ComponentRoutineUPP) Dispatch, registerComponentGlobal, NULL, NULL, NULL);
+		if (component != NULL) {
+			SetDefaultComponent(component, defaultComponentAnyFlagsAnyManufacturerAnySubType);
+		}
+		return component;
+	}
+};
+
+#if TARGET_OS_MAC && TARGET_CPU_PPC && !TARGET_RT_MAC_MACHO
+	// for OS 9, a PPC native component's entry point must be a routine descriptor
+	#define COMPONENT_ENTRY(Class) \
+		extern "C" OSStatus Class##Entry(ComponentParameters *params, Class *obj); \
+		extern "C" OSStatus Class##Entry(ComponentParameters *params, Class *obj) { \
+			return ComponentEntryPoint<Class>::Dispatch(params, obj); \
+		} \
+	\
+	struct RoutineDescriptor Class##EntryRD = \
+		BUILD_ROUTINE_DESCRIPTOR((kPascalStackBased | RESULT_SIZE (kFourByteCode) | \
+								STACK_ROUTINE_PARAMETER (1, kFourByteCode) | \
+								STACK_ROUTINE_PARAMETER (2, kFourByteCode)), Class##Entry);
+#else
+	#define COMPONENT_ENTRY(Class) \
+		extern "C" OSStatus Class##Entry(ComponentParameters *params, Class *obj); \
+		extern "C" OSStatus Class##Entry(ComponentParameters *params, Class *obj) { \
+			return ComponentEntryPoint<Class>::Dispatch(params, obj); \
+		}
+#endif
+
+	/*! @class ComponentRegistrar */
+template <class Class, OSType Type, OSType Subtype, OSType Manufacturer>
+class ComponentRegistrar {
+public:
+	/*! @ctor ComponentRegistrar */
+	ComponentRegistrar() { ComponentEntryPoint<Class>::Register(Type, Subtype, Manufacturer); }
+};
+
+#define	COMPONENT_REGISTER(Class,Type,Subtype,Manufacturer) \
+	static ComponentRegistrar<Class, Type, Subtype, Manufacturer>	gRegistrar##Class
+#else
+#define COMPONENT_ENTRY(Class)
+#define COMPONENT_REGISTER(Class)
+#endif // !TARGET_OS_IPHONE
+
+
+	/*! @class ComponentBase */
+class ComponentBase {
+public:
+	// classic MacErrors
+	enum { noErr = 0, paramErr = -50, memFullErr = -108 };
+
+	/*! @ctor ComponentBase */
+				ComponentBase(AudioComponentInstance inInstance) : mComponentInstance(inInstance) { }
+	/*! @dtor ~ComponentBase */
+	virtual 	~ComponentBase();
+	
+	/*! @method PostConstructor */
+	virtual void			PostConstructor();
+	
+	/*! @method PreDestructor */
+	virtual void			PreDestructor();
+
+#if !TARGET_OS_IPHONE
+	/*! @method Version */
+	virtual OSStatus		Version();
+
+	/*! @method ComponentEntryDispatch */
+	static OSStatus		ComponentEntryDispatch(ComponentParameters *p, ComponentBase *This);
+#endif
+	
+	/*! @method GetComponentInstance */
+	AudioComponentInstance		GetComponentInstance() const { return mComponentInstance; }
+
+	/*! @method GetComponentDescription */
+	AudioComponentDescription	GetComponentDescription() const;
+
+protected:
+	/*! @var mComponentInstance */
+	AudioComponentInstance		mComponentInstance;
+};
+
+#endif // __ComponentBase_h__