alternative new version of the AppleUtility library

1 files changed, 669 insertions, 0 deletions

diff --git a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUPlugInDispatch.cpp b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUPlugInDispatch.cpp
new file mode 100644
index 0000000000..3bab198369
--- /dev/null
+++ b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/AUBase/AUPlugInDispatch.cpp
@@ -0,0 +1,669 @@
+/*
+     File: AUPlugInDispatch.cpp
+ Abstract: AUPlugInDispatch.h
+  Version: 1.1
+ 
+ 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.
+ 
+ Copyright (C) 2014 Apple Inc. All Rights Reserved.
+ 
+*/
+#include "AUPlugInDispatch.h"
+#include "CAXException.h"
+#include "ComponentBase.h"
+#include "AUBase.h"
+
+#define ACPI ((AudioComponentPlugInInstance *)self)
+#define AUI	((AUBase *)&ACPI->mInstanceStorage)
+
+#define AUI_LOCK CAMutex::Locker auLock(AUI->GetMutex());
+
+// ------------------------------------------------------------------------------------------------
+static OSStatus AUMethodInitialize(void *self)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->DoInitialize();
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodUninitialize(void *self)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		AUI->DoCleanup();
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodGetPropertyInfo(void *self, AudioUnitPropertyID prop, AudioUnitScope scope, AudioUnitElement elem, UInt32 *outDataSize, Boolean *outWritable)
+{
+	OSStatus result = noErr;
+	try {
+		UInt32 dataSize = 0;        // 13517289 GetPropetyInfo was returning an uninitialized value when there is an error. This is a problem for auval.
+		Boolean writable = false;
+		
+		AUI_LOCK
+		result = AUI->DispatchGetPropertyInfo(prop, scope, elem, dataSize, writable);
+		if (outDataSize != NULL)
+			*outDataSize = dataSize;
+		if (outWritable != NULL)
+			*outWritable = writable;
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodGetProperty(void *self, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void *outData, UInt32 *ioDataSize)
+{
+	OSStatus result = noErr;
+	try {
+		UInt32 actualPropertySize, clientBufferSize;
+		Boolean writable;
+		char *tempBuffer;
+		void *destBuffer;
+		
+		AUI_LOCK
+		if (ioDataSize == NULL) {
+			ca_debug_string("AudioUnitGetProperty: null size pointer");
+			result = kAudio_ParamError;
+			goto finishGetProperty;
+		}
+		if (outData == NULL) {
+			UInt32 dataSize;
+			
+			result = AUI->DispatchGetPropertyInfo(inID, inScope, inElement, dataSize, writable);
+			*ioDataSize = dataSize;
+			goto finishGetProperty;
+		}
+		
+		clientBufferSize = *ioDataSize;
+		if (clientBufferSize == 0)
+		{
+			ca_debug_string("AudioUnitGetProperty: *ioDataSize == 0 on entry");
+			// $$$ or should we allow this as a shortcut for finding the size?
+			result = kAudio_ParamError;
+			goto finishGetProperty;
+		}
+		
+		result = AUI->DispatchGetPropertyInfo(inID, inScope, inElement, actualPropertySize, writable);
+		if (result != noErr) 
+			goto finishGetProperty;
+		
+		if (clientBufferSize < actualPropertySize) 
+		{
+			tempBuffer = new char[actualPropertySize];
+			destBuffer = tempBuffer;
+		} else {
+			tempBuffer = NULL;
+			destBuffer = outData;
+		}
+		
+		result = AUI->DispatchGetProperty(inID, inScope, inElement, destBuffer);
+		
+		if (result == noErr) {
+			if (clientBufferSize < actualPropertySize && tempBuffer != NULL)
+			{
+				memcpy(outData, tempBuffer, clientBufferSize);
+				delete[] tempBuffer;
+				// ioDataSize remains correct, the number of bytes we wrote
+			} else
+				*ioDataSize = actualPropertySize;
+		} else
+			*ioDataSize = 0;
+	}
+	COMPONENT_CATCH
+finishGetProperty:
+	return result;
+}
+
+static OSStatus AUMethodSetProperty(void *self, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, const void *inData, UInt32 inDataSize)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		if (inData && inDataSize)
+			result = AUI->DispatchSetProperty(inID, inScope, inElement, inData, inDataSize);
+		else {
+			if (inData == NULL && inDataSize == 0) {
+				result = AUI->DispatchRemovePropertyValue(inID, inScope, inElement);
+			} else {
+				if (inData == NULL) {
+					ca_debug_string("AudioUnitSetProperty: inData == NULL");
+					result = kAudio_ParamError;
+					goto finishSetProperty;
+				}
+
+				if (inDataSize == 0) {
+					ca_debug_string("AudioUnitSetProperty: inDataSize == 0");
+					result = kAudio_ParamError;
+					goto finishSetProperty;
+				}
+			}
+		}
+	}
+	COMPONENT_CATCH
+finishSetProperty:
+	return result;
+}
+
+static OSStatus AUMethodAddPropertyListener(void *self, AudioUnitPropertyID prop, AudioUnitPropertyListenerProc proc, void *userData)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->AddPropertyListener(prop, proc, userData);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodRemovePropertyListener(void *self, AudioUnitPropertyID prop, AudioUnitPropertyListenerProc proc)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->RemovePropertyListener(prop, proc, NULL, false);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodRemovePropertyListenerWithUserData(void *self, AudioUnitPropertyID prop, AudioUnitPropertyListenerProc proc, void *userData)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->RemovePropertyListener(prop, proc, userData, true);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodAddRenderNotify(void *self, AURenderCallback proc, void *userData)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->SetRenderNotification(proc, userData);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodRemoveRenderNotify(void *self, AURenderCallback proc, void *userData)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->RemoveRenderNotification(proc, userData);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodGetParameter(void *self, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement elem, AudioUnitParameterValue *value)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = (value == NULL ? kAudio_ParamError : AUI->GetParameter(param, scope, elem, *value));
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodSetParameter(void *self, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement elem, AudioUnitParameterValue value, UInt32 bufferOffset)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a (potentially) realtime method; no lock
+		result = AUI->SetParameter(param, scope, elem, value, bufferOffset);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodScheduleParameters(void *self, const AudioUnitParameterEvent *events, UInt32 numEvents)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a (potentially) realtime method; no lock
+		result = AUI->ScheduleParameter(events, numEvents);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodRender(void *self, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inOutputBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData)
+{
+	OSStatus result = noErr;
+
+#if !TARGET_OS_IPHONE
+	try {
+#endif
+		// this is a processing method; no lock
+		AudioUnitRenderActionFlags tempFlags;
+		
+		if (inTimeStamp == NULL || ioData == NULL)
+			result = kAudio_ParamError;
+		else {
+			if (ioActionFlags == NULL) {
+				tempFlags = 0;
+				ioActionFlags = &tempFlags;
+			}
+			result = AUI->DoRender(*ioActionFlags, *inTimeStamp, inOutputBusNumber, inNumberFrames, *ioData);
+		}
+
+#if !TARGET_OS_IPHONE
+	}
+	COMPONENT_CATCH
+#endif
+
+	return result;
+}
+
+static OSStatus AUMethodComplexRender(void *self, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inOutputBusNumber, UInt32 inNumberOfPackets, UInt32 *outNumberOfPackets, AudioStreamPacketDescription *outPacketDescriptions, AudioBufferList *ioData, void *outMetadata, UInt32 *outMetadataByteSize)
+{
+	OSStatus result = noErr;
+
+#if !TARGET_OS_IPHONE
+	try {
+#endif
+		// this is a processing method; no lock
+		AudioUnitRenderActionFlags tempFlags;
+		
+		if (inTimeStamp == NULL || ioData == NULL)
+			result = kAudio_ParamError;
+		else {
+			if (ioActionFlags == NULL) {
+				tempFlags = 0;
+				ioActionFlags = &tempFlags;
+			}
+			result = AUI->ComplexRender(*ioActionFlags, *inTimeStamp, inOutputBusNumber, inNumberOfPackets, outNumberOfPackets, outPacketDescriptions, *ioData, outMetadata, outMetadataByteSize);
+		}
+
+#if !TARGET_OS_IPHONE
+	}
+	COMPONENT_CATCH
+#endif
+
+	return result;
+}
+
+static OSStatus AUMethodReset(void *self, AudioUnitScope scope, AudioUnitElement elem)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->Reset(scope, elem);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodProcess (void *self, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inNumberFrames, AudioBufferList *ioData)
+{
+	OSStatus result = noErr;
+
+#if !TARGET_OS_IPHONE
+	try {
+#endif
+		// this is a processing method; no lock
+		bool doParamCheck = true;
+
+		AudioUnitRenderActionFlags tempFlags;
+
+		if (ioActionFlags == NULL) {
+			tempFlags = 0;
+			ioActionFlags = &tempFlags;
+		} else {
+			if (*ioActionFlags & (1 << 9)/*kAudioUnitRenderAction_DoNotCheckRenderArgs*/)
+				doParamCheck = false;
+		}
+		
+		if (doParamCheck && (inTimeStamp == NULL || ioData == NULL))
+			result = kAudio_ParamError;
+		else {
+			result = AUI->DoProcess(*ioActionFlags, *inTimeStamp, inNumberFrames, *ioData);
+		}
+
+#if !TARGET_OS_IPHONE
+	}
+	COMPONENT_CATCH
+#endif
+
+	return result;
+}
+
+static OSStatus AUMethodProcessMultiple (void *self, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inNumberFrames, UInt32 inNumberInputBufferLists, const AudioBufferList **inInputBufferLists, UInt32 inNumberOutputBufferLists, AudioBufferList **ioOutputBufferLists)
+{
+	OSStatus result = noErr;
+	
+#if !TARGET_OS_IPHONE
+	try {
+#endif
+		// this is a processing method; no lock
+		bool doParamCheck = true;
+		
+		AudioUnitRenderActionFlags tempFlags;
+		
+		if (ioActionFlags == NULL) {
+			tempFlags = 0;
+			ioActionFlags = &tempFlags;
+		} else {
+			if (*ioActionFlags & (1 << 9)/*kAudioUnitRenderAction_DoNotCheckRenderArgs*/)
+				doParamCheck = false;
+		}
+
+		if (doParamCheck && (inTimeStamp == NULL || inInputBufferLists == NULL || ioOutputBufferLists == NULL))
+			result = kAudio_ParamError;
+		else {
+			result = AUI->DoProcessMultiple(*ioActionFlags, *inTimeStamp, inNumberFrames, inNumberInputBufferLists, inInputBufferLists, inNumberOutputBufferLists, ioOutputBufferLists);
+		}
+		
+#if !TARGET_OS_IPHONE
+	}
+	COMPONENT_CATCH
+#endif
+
+	return result;
+}
+// ------------------------------------------------------------------------------------------------
+
+static OSStatus AUMethodStart(void *self)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->Start();
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodStop(void *self)
+{
+	OSStatus result = noErr;
+	try {
+		AUI_LOCK
+		result = AUI->Stop();
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+// ------------------------------------------------------------------------------------------------
+
+#if !CA_BASIC_AU_FEATURES
+// I don't know what I'm doing here; conflicts with the multiple inheritence in MusicDeviceBase.
+static OSStatus AUMethodMIDIEvent(void *self, UInt32 inStatus, UInt32 inData1, UInt32 inData2, UInt32 inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a potential render-time method; no lock
+		result = AUI->MIDIEvent(inStatus, inData1, inData2, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodSysEx(void *self, const UInt8 *inData, UInt32 inLength)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a potential render-time method; no lock
+		result = AUI->SysEx(inData, inLength);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodStartNote(void *self, MusicDeviceInstrumentID inInstrument, MusicDeviceGroupID inGroupID, NoteInstanceID *outNoteInstanceID, UInt32 inOffsetSampleFrame, const MusicDeviceNoteParams *inParams)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a potential render-time method; no lock
+		if (inParams == NULL || outNoteInstanceID == NULL) 
+			result = kAudio_ParamError;
+		else
+			result = AUI->StartNote(inInstrument, inGroupID, outNoteInstanceID, inOffsetSampleFrame, *inParams);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodStopNote(void *self, MusicDeviceGroupID inGroupID, NoteInstanceID inNoteInstanceID, UInt32 inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a potential render-time method; no lock
+		result = AUI->StopNote(inGroupID, inNoteInstanceID, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+#if !TARGET_OS_IPHONE
+static OSStatus AUMethodPrepareInstrument (void *self, MusicDeviceInstrumentID inInstrument)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a potential render-time method; no lock
+		result = AUI->PrepareInstrument(inInstrument);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+static OSStatus AUMethodReleaseInstrument (void *self, MusicDeviceInstrumentID inInstrument)
+{
+	OSStatus result = noErr;
+	try {
+		// this is a potential render-time method; no lock
+		result = AUI->ReleaseInstrument(inInstrument);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+#endif // TARGET_OS_IPHONE
+#endif // CA_BASIC_AU_FEATURES
+
+
+//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+#pragma mark -
+#pragma mark Lookup Methods
+
+AudioComponentMethod AUBaseLookup::Lookup (SInt16 selector)
+{
+	switch (selector) {
+		case kAudioUnitInitializeSelect:		return (AudioComponentMethod)AUMethodInitialize;
+		case kAudioUnitUninitializeSelect:		return (AudioComponentMethod)AUMethodUninitialize;
+		case kAudioUnitGetPropertyInfoSelect:	return (AudioComponentMethod)AUMethodGetPropertyInfo;
+		case kAudioUnitGetPropertySelect:		return (AudioComponentMethod)AUMethodGetProperty;
+		case kAudioUnitSetPropertySelect:		return (AudioComponentMethod)AUMethodSetProperty;
+		case kAudioUnitAddPropertyListenerSelect:return (AudioComponentMethod)AUMethodAddPropertyListener;
+		case kAudioUnitRemovePropertyListenerSelect:
+												return (AudioComponentMethod)AUMethodRemovePropertyListener;
+		case kAudioUnitRemovePropertyListenerWithUserDataSelect:
+												return (AudioComponentMethod)AUMethodRemovePropertyListenerWithUserData;
+		case kAudioUnitAddRenderNotifySelect:	return (AudioComponentMethod)AUMethodAddRenderNotify;
+		case kAudioUnitRemoveRenderNotifySelect:return (AudioComponentMethod)AUMethodRemoveRenderNotify;
+		case kAudioUnitGetParameterSelect:		return (AudioComponentMethod)AUMethodGetParameter;
+		case kAudioUnitSetParameterSelect:		return (AudioComponentMethod)AUMethodSetParameter;
+		case kAudioUnitScheduleParametersSelect:return (AudioComponentMethod)AUMethodScheduleParameters;
+		case kAudioUnitRenderSelect:			return (AudioComponentMethod)AUMethodRender;
+		case kAudioUnitResetSelect:				return (AudioComponentMethod)AUMethodReset;
+		default:
+			break;
+	}
+	return NULL;
+}
+
+AudioComponentMethod AUOutputLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+
+	switch (selector) {
+		case kAudioOutputUnitStartSelect:	return (AudioComponentMethod)AUMethodStart;
+		case kAudioOutputUnitStopSelect:	return (AudioComponentMethod)AUMethodStop;
+		default:
+			break;
+	}
+	return NULL;
+}
+
+AudioComponentMethod AUComplexOutputLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+	
+	method = AUOutputLookup::Lookup(selector);
+	if (method) return method;
+	
+	if (selector == kAudioUnitComplexRenderSelect)
+		return (AudioComponentMethod)AUMethodComplexRender;
+	return NULL;
+}
+
+AudioComponentMethod AUBaseProcessLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+	
+	if (selector == kAudioUnitProcessSelect)
+		return (AudioComponentMethod)AUMethodProcess;
+	
+	return NULL;
+}
+
+AudioComponentMethod AUBaseProcessMultipleLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+    
+	if (selector == kAudioUnitProcessMultipleSelect)
+		return (AudioComponentMethod)AUMethodProcessMultiple;
+	
+	return NULL;
+}
+
+AudioComponentMethod AUBaseProcessAndMultipleLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+
+	method = AUBaseProcessMultipleLookup::Lookup(selector);
+	if (method) return method;
+    
+	method = AUBaseProcessLookup::Lookup(selector);
+	if (method) return method;
+
+	return NULL;
+}
+
+#if !CA_BASIC_AU_FEATURES
+inline AudioComponentMethod MIDI_Lookup (SInt16 selector)
+{
+	switch (selector) {
+		case kMusicDeviceMIDIEventSelect:	return (AudioComponentMethod)AUMethodMIDIEvent;
+		case kMusicDeviceSysExSelect:		return (AudioComponentMethod)AUMethodSysEx;
+		default:
+			break;
+	}
+	return NULL;
+}
+
+AudioComponentMethod AUMIDILookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+	
+	return MIDI_Lookup(selector);
+}
+
+AudioComponentMethod AUMIDIProcessLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseProcessLookup::Lookup(selector);
+	if (method) return method;
+	
+	return MIDI_Lookup(selector);
+}
+
+AudioComponentMethod AUMusicLookup::Lookup (SInt16 selector)
+{
+	AudioComponentMethod method = AUBaseLookup::Lookup(selector);
+	if (method) return method;
+
+	switch (selector) {
+		case kMusicDeviceStartNoteSelect:	return (AudioComponentMethod)AUMethodStartNote;
+		case kMusicDeviceStopNoteSelect:	return (AudioComponentMethod)AUMethodStopNote;
+#if !TARGET_OS_IPHONE
+		case kMusicDevicePrepareInstrumentSelect:	return (AudioComponentMethod)AUMethodPrepareInstrument;
+		case kMusicDeviceReleaseInstrumentSelect:	return (AudioComponentMethod)AUMethodReleaseInstrument;
+#endif
+		default:		
+			break;
+	}
+	return MIDI_Lookup (selector);
+}
+
+AudioComponentMethod AUAuxBaseLookup::Lookup (SInt16 selector)
+{
+	switch (selector) {
+		case kAudioUnitGetPropertyInfoSelect:	return (AudioComponentMethod)AUMethodGetPropertyInfo;
+		case kAudioUnitGetPropertySelect:		return (AudioComponentMethod)AUMethodGetProperty;
+		case kAudioUnitSetPropertySelect:		return (AudioComponentMethod)AUMethodSetProperty;
+            
+		case kAudioUnitGetParameterSelect:		return (AudioComponentMethod)AUMethodGetParameter;
+		case kAudioUnitSetParameterSelect:		return (AudioComponentMethod)AUMethodSetParameter;
+            
+		default:
+			break;
+	}
+	return NULL;
+}
+#endif
+