Embedded the Apple CoreAudio support files inside the juce_audio_plugin module, so that users no longer need to install or patch these files themselves!

doxygen/Doxyfile

@@ -806,6 +806,7 @@ EXCLUDE                = ../modules/juce_graphics/image_formats \
                          ../modules/juce_audio_formats/juce_audio_formats.h \
                          ../modules/juce_audio_formats/juce_audio_formats.cpp \
                          ../modules/juce_audio_plugin_client/juce_audio_plugin_client.h \
+                         ../modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses \
                          ../modules/juce_audio_processors/juce_audio_processors.h \
                          ../modules/juce_audio_processors/juce_audio_processors.cpp \
                          ../modules/juce_audio_utils/juce_audio_utils.h \

examples/audio plugin demo/Builds/MacOSX/JuceDemoPlugin.xcodeproj/project.pbxproj

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+					BFD65DA4F2FE24DF532304DA,
+					A4996F8A30110B5EDB801516, ); runOnlyForDeploymentPostprocessing = 0; };
 		95E57A758351FE57067B605F = {isa = PBXFrameworksBuildPhase; buildActionMask = 2147483647; files = (
 					221B97F3CD062F71EBEBA165,
 					A068599CF7E166847EE45D5F,

extras/Introjucer/Source/Project/jucer_AudioPluginModule.h

@@ -475,96 +475,7 @@ namespace AUHelpers
 
         if (exporter.isXcode())
         {
-            String sdkLocation (getPluginAUSDKLocation (projectSaver.project).toString());
-
-            if (sdkLocation.trim().isEmpty())
-                sdkLocation = "$(DEVELOPER_DIR)/Extras/CoreAudio/";
-
-            if (! sdkLocation.endsWithChar ('/'))
-                sdkLocation << '/';
-
-            {
-                String relativeSDK (exporter.rebaseFromProjectFolderToBuildTarget (RelativePath (sdkLocation, RelativePath::projectFolder))
-                                            .toUnixStyle());
-
-                if (! relativeSDK.endsWithChar ('/'))
-                    relativeSDK << '/';
-
-                exporter.extraSearchPaths.add (relativeSDK + "PublicUtility");
-                exporter.extraSearchPaths.add (relativeSDK + "AudioUnits/AUPublic/Utility");
-                exporter.extraSearchPaths.add (relativeSDK + "AudioUnits/AUPublic/AUBase");
-            }
-
             exporter.xcodeFrameworks.addTokens ("AudioUnit CoreAudioKit", false);
-            exporter.xcodeExcludedFiles64Bit = "\"*Carbon*.cpp\"";
-
-            Project::Item subGroup (projectSaver.getGeneratedCodeGroup().addNewSubGroup ("Juce AU Wrapper", -1));
-            subGroup.setID ("__juceappleaufiles");
-
-            {
-                static const char* appleAUFiles[] =
-                {
-                    "PublicUtility/CADebugMacros.h",
-                    "PublicUtility/CAAUParameter.cpp",
-                    "PublicUtility/CAAUParameter.h",
-                    "PublicUtility/CAAudioChannelLayout.cpp",
-                    "PublicUtility/CAAudioChannelLayout.h",
-                    "PublicUtility/CAMutex.cpp",
-                    "PublicUtility/CAMutex.h",
-                    "PublicUtility/CAStreamBasicDescription.cpp",
-                    "PublicUtility/CAStreamBasicDescription.h",
-                    "PublicUtility/CAVectorUnitTypes.h",
-                    "PublicUtility/CAVectorUnit.cpp",
-                    "PublicUtility/CAVectorUnit.h",
-                    "AudioUnits/AUPublic/AUViewBase/AUViewLocalizedStringKeys.h",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewDispatch.cpp",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewControl.cpp",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewControl.h",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/CarbonEventHandler.cpp",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/CarbonEventHandler.h",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewBase.cpp",
-                    "AudioUnits/AUPublic/AUCarbonViewBase/AUCarbonViewBase.h",
-                    "AudioUnits/AUPublic/AUBase/AUBase.cpp",
-                    "AudioUnits/AUPublic/AUBase/AUBase.h",
-                    "AudioUnits/AUPublic/AUBase/AUDispatch.cpp",
-                    "AudioUnits/AUPublic/AUBase/AUDispatch.h",
-                    "AudioUnits/AUPublic/AUBase/AUInputElement.cpp",
-                    "AudioUnits/AUPublic/AUBase/AUInputElement.h",
-                    "AudioUnits/AUPublic/AUBase/AUOutputElement.cpp",
-                    "AudioUnits/AUPublic/AUBase/AUOutputElement.h",
-                    "AudioUnits/AUPublic/AUBase/AUResources.r",
-                    "AudioUnits/AUPublic/AUBase/AUScopeElement.cpp",
-                    "AudioUnits/AUPublic/AUBase/AUScopeElement.h",
-                    "AudioUnits/AUPublic/AUBase/ComponentBase.cpp",
-                    "AudioUnits/AUPublic/AUBase/ComponentBase.h",
-                    "AudioUnits/AUPublic/OtherBases/AUMIDIBase.cpp",
-                    "AudioUnits/AUPublic/OtherBases/AUMIDIBase.h",
-                    "AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.cpp",
-                    "AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.h",
-                    "AudioUnits/AUPublic/OtherBases/AUOutputBase.cpp",
-                    "AudioUnits/AUPublic/OtherBases/AUOutputBase.h",
-                    "AudioUnits/AUPublic/OtherBases/MusicDeviceBase.cpp",
-                    "AudioUnits/AUPublic/OtherBases/MusicDeviceBase.h",
-                    "AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp",
-                    "AudioUnits/AUPublic/OtherBases/AUEffectBase.h",
-                    "AudioUnits/AUPublic/Utility/AUBuffer.cpp",
-                    "AudioUnits/AUPublic/Utility/AUBuffer.h",
-                    "AudioUnits/AUPublic/Utility/AUInputFormatConverter.h",
-                    "AudioUnits/AUPublic/Utility/AUSilentTimeout.h",
-                    "AudioUnits/AUPublic/Utility/AUTimestampGenerator.h",
-                    nullptr
-                };
-
-                // This converts things like $(DEVELOPER_DIR) to ${DEVELOPER_DIR}
-                sdkLocation = sdkLocation.replaceCharacters ("()", "{}");
-
-                for (const char** f = appleAUFiles; *f != nullptr; ++f)
-                {
-                    const RelativePath file (sdkLocation + *f, RelativePath::projectFolder);
-                    subGroup.addRelativeFile (file, -1, file.hasFileExtension ("cpp;mm"));
-                    subGroup.getChild (subGroup.getNumChildren() - 1).getShouldInhibitWarningsValue() = true;
-                }
-            }
 
             XmlElement plistKey ("key");
             plistKey.addTextElement ("AudioComponents");

modules/juce_audio_plugin_client/AU/AUResources.r

@@ -0,0 +1,140 @@
+/*
+     File: AUResources.r
+ Abstract: AUResources.r
+  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.
+ 
+*/
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	AUResources.r
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
+/* sample macro definitions -- all of these symbols must be defined
+#define RES_ID			kHALOutputResID
+#define COMP_TYPE		kAudioUnitComponentType
+#define COMP_SUBTYPE	kAudioUnitOutputSubType
+#define COMP_MANUF		kAudioUnitAudioHardwareOutputSubSubType
+#define VERSION			0x00010000
+#define NAME			"AudioHALOutput"
+#define DESCRIPTION		"Audio hardware output AudioUnit"
+#define ENTRY_POINT		"AUHALEntry"
+*/
+#define UseExtendedThingResource 1
+
+#include <CoreServices/CoreServices.r>
+
+// this is a define used to indicate that a component has no static data that would mean 
+// that no more than one instance could be open at a time - never been true for AUs
+#ifndef cmpThreadSafeOnMac
+#define cmpThreadSafeOnMac	0x10000000
+#endif
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+resource 'STR ' (RES_ID, purgeable) {
+	NAME
+};
+
+resource 'STR ' (RES_ID + 1, purgeable) {
+	DESCRIPTION
+};
+
+resource 'dlle' (RES_ID) {
+	ENTRY_POINT
+};
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+resource 'thng' (RES_ID, NAME) {
+	COMP_TYPE,
+	COMP_SUBTYPE,
+	COMP_MANUF,
+	0, 0, 0, 0,								//	no 68K
+	'STR ',	RES_ID,
+	'STR ',	RES_ID + 1,
+	0,	0,			/* icon */
+	VERSION,
+	componentHasMultiplePlatforms | componentDoAutoVersion,
+	0,
+	{
+	#if defined(ppc_YES)
+			cmpThreadSafeOnMac,
+			'dlle', RES_ID, platformPowerPCNativeEntryPoint
+			#define NeedLeadingComma 1
+	#endif
+	#if defined(ppc64_YES)
+		#if defined(NeedLeadingComma)
+			,
+		#endif
+			cmpThreadSafeOnMac,
+			'dlle', RES_ID, platformPowerPC64NativeEntryPoint
+			#define NeedLeadingComma 1
+	#endif
+	#if defined(i386_YES)
+		#if defined(NeedLeadingComma)
+			,
+		#endif
+			cmpThreadSafeOnMac,
+			'dlle', RES_ID, platformIA32NativeEntryPoint
+			#define NeedLeadingComma 1
+	#endif
+	#if defined(x86_64_YES)
+		#if defined(NeedLeadingComma)
+			,
+		#endif
+			cmpThreadSafeOnMac,
+			'dlle', RES_ID, 8
+			#define NeedLeadingComma 1
+	#endif
+	}
+};
+
+#undef RES_ID
+#undef COMP_TYPE
+#undef COMP_SUBTYPE
+#undef COMP_MANUF
+#undef VERSION
+#undef NAME
+#undef DESCRIPTION
+#undef ENTRY_POINT
+#undef NeedLeadingComma

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUBaseHelper.h

@@ -0,0 +1,75 @@
+/*
+     File: AUBaseHelper.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUBaseHelper_h__
+#define __AUBaseHelper_h__
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreFoundation/CoreFoundation.h>
+	#include <AudioUnit/AUComponent.h>
+#else
+	#include <CoreFoundation.h>
+	#include <AUComponent.h>
+#endif
+
+#include "AUBase.h"
+
+// helpers for dealing with the file-references dictionary in an AUPreset
+OSStatus GetFileRefPath (CFDictionaryRef parent, CFStringRef frKey, CFStringRef * fPath);
+
+// if fileRefDict is NULL, this call creates one
+// if not NULL, then the key value is added to it
+CFMutableDictionaryRef CreateFileRefDict (CFStringRef fKey, CFStringRef fPath, CFMutableDictionaryRef fileRefDict);
+
+int AccessURLAsset(const CFURLRef inURL, int mode);
+
+#if DEBUG
+	void PrintAUParamEvent (AudioUnitParameterEvent& event, FILE* f);
+#endif
+
+
+
+#endif // __AUBaseHelper_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUBuffer.cpp

@@ -0,0 +1,219 @@
+/*
+     File: AUBuffer.cpp
+ Abstract: AUBuffer.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 "AUBuffer.h"
+#include <stdlib.h>
+
+AUBufferList::~AUBufferList()
+{
+	Deallocate();
+	if (mPtrs)
+		free(mPtrs);
+}
+
+// a * b + c
+static UInt32 SafeMultiplyAddUInt32(UInt32 a, UInt32 b, UInt32 c)
+{
+	if (a == 0 || b == 0) return c;  // prevent zero divide
+
+	if (a > (0xFFFFFFFF - c) / b)
+		throw std::bad_alloc();
+
+	return a * b + c;
+}
+
+void				AUBufferList::Allocate(const CAStreamBasicDescription &format, UInt32 nFrames)
+{
+	UInt32 nStreams;
+	if (format.IsInterleaved()) {
+		nStreams = 1;
+	} else {
+		nStreams = format.mChannelsPerFrame;
+	}
+
+	// careful -- the I/O thread could be running!
+	if (nStreams > mAllocatedStreams) {
+		size_t theHeaderSize = sizeof(AudioBufferList) - sizeof(AudioBuffer);
+		mPtrs = (AudioBufferList *)CA_realloc(mPtrs,
+									SafeMultiplyAddUInt32(nStreams, sizeof(AudioBuffer), theHeaderSize));
+		mAllocatedStreams = nStreams;
+	}
+	UInt32 bytesPerStream = SafeMultiplyAddUInt32(nFrames, format.mBytesPerFrame, 0xF) & ~0xF;
+	UInt32 nBytes = SafeMultiplyAddUInt32(nStreams, bytesPerStream, 0);
+	if (nBytes > mAllocatedBytes) {
+		if (mExternalMemory) {
+			mExternalMemory = false;
+			mMemory = NULL;
+		}
+		mMemory = (Byte *)CA_realloc(mMemory, nBytes);
+		mAllocatedBytes = nBytes;
+	}
+	mAllocatedFrames = nFrames;
+	mPtrState = kPtrsInvalid;
+}
+
+void				AUBufferList::Deallocate()
+{
+	mAllocatedStreams = 0;
+	mAllocatedFrames = 0;
+	mAllocatedBytes = 0;
+// this causes a world of hurt if someone upstream disconnects during I/O (SysSoundGraph)
+/*	if (mPtrs) {
+		printf("deallocating bufferlist %08X\n", int(mPtrs));
+		free(mPtrs);
+		mPtrs = NULL;
+	} */
+	if (mMemory) {
+		if (mExternalMemory)
+			mExternalMemory = false;
+		else
+			free(mMemory);
+		mMemory = NULL;
+	}
+	mPtrState = kPtrsInvalid;
+}
+
+AudioBufferList &	AUBufferList::PrepareBuffer(const CAStreamBasicDescription &format, UInt32 nFrames)
+{
+	if (nFrames > mAllocatedFrames)
+		COMPONENT_THROW(kAudioUnitErr_TooManyFramesToProcess);
+
+	UInt32 nStreams;
+	UInt32 channelsPerStream;
+	if (format.IsInterleaved()) {
+		nStreams = 1;
+		channelsPerStream = format.mChannelsPerFrame;
+	} else {
+		nStreams = format.mChannelsPerFrame;
+		channelsPerStream = 1;
+		if (nStreams > mAllocatedStreams)
+			COMPONENT_THROW(kAudioUnitErr_FormatNotSupported);
+	}
+
+	AudioBufferList *abl = mPtrs;
+	abl->mNumberBuffers = nStreams;
+	AudioBuffer *buf = abl->mBuffers;
+	Byte *mem = mMemory;
+	UInt32 streamInterval = (mAllocatedFrames * format.mBytesPerFrame + 0xF) & ~0xF;
+	UInt32 bytesPerBuffer = nFrames * format.mBytesPerFrame;
+	for ( ; nStreams--; ++buf) {
+		buf->mNumberChannels = channelsPerStream;
+		buf->mData = mem;
+		buf->mDataByteSize = bytesPerBuffer;
+		mem += streamInterval;
+	}
+	if (UInt32(mem - mMemory) > mAllocatedBytes)
+		COMPONENT_THROW(kAudioUnitErr_TooManyFramesToProcess);
+	mPtrState = kPtrsToMyMemory;
+	return *mPtrs;
+}
+
+AudioBufferList &	AUBufferList::PrepareNullBuffer(const CAStreamBasicDescription &format, UInt32 nFrames)
+{
+	UInt32 nStreams;
+	UInt32 channelsPerStream;
+	if (format.IsInterleaved()) {
+		nStreams = 1;
+		channelsPerStream = format.mChannelsPerFrame;
+	} else {
+		nStreams = format.mChannelsPerFrame;
+		channelsPerStream = 1;
+		if (nStreams > mAllocatedStreams)
+			COMPONENT_THROW(kAudioUnitErr_FormatNotSupported);
+	}
+	AudioBufferList *abl = mPtrs;
+	abl->mNumberBuffers = nStreams;
+	AudioBuffer *buf = abl->mBuffers;
+	UInt32 bytesPerBuffer = nFrames * format.mBytesPerFrame;
+	for ( ; nStreams--; ++buf) {
+		buf->mNumberChannels = channelsPerStream;
+		buf->mData = NULL;
+		buf->mDataByteSize = bytesPerBuffer;
+	}
+	mPtrState = kPtrsToExternalMemory;
+	return *mPtrs;
+}
+
+// this should NOT be called while I/O is in process
+void		AUBufferList::UseExternalBuffer(const CAStreamBasicDescription &format, const AudioUnitExternalBuffer &buf)
+{
+	UInt32 alignedSize = buf.size & ~0xF;
+	if (mMemory != NULL && alignedSize >= mAllocatedBytes) {
+		// don't accept the buffer if we already have one and it's big enough
+		// if we don't already have one, we don't need one
+		Byte *oldMemory = mMemory;
+		mMemory = buf.buffer;
+		mAllocatedBytes = alignedSize;
+		// from Allocate(): nBytes = nStreams * nFrames * format.mBytesPerFrame;
+		// thus: nFrames = nBytes / (nStreams * format.mBytesPerFrame)
+		mAllocatedFrames = mAllocatedBytes / (format.NumberChannelStreams() * format.mBytesPerFrame);
+		mExternalMemory = true;
+		free(oldMemory);
+	}
+}
+
+#if DEBUG
+void	AUBufferList::PrintBuffer(const char *label, int subscript, const AudioBufferList &abl, UInt32 nFrames, bool asFloats)
+{
+	printf("  %s [%d] 0x%08lX:\n", label, subscript, long(&abl));
+	const AudioBuffer *buf = abl.mBuffers;
+	for (UInt32 i = 0; i < abl.mNumberBuffers; ++buf, ++i) {
+		printf("      [%2d] %5dbytes %dch @ %p: ", (int)i, (int)buf->mDataByteSize, (int)buf->mNumberChannels, buf->mData);
+		if (buf->mData != NULL) {
+			UInt32 nSamples = nFrames * buf->mNumberChannels;
+			for (UInt32 j = 0; j < nSamples; ++j) {
+				if (nSamples > 16 && (j % 16) == 0)
+					printf("\n\t");
+				if (asFloats)
+					printf(" %6.3f", ((float *)buf->mData)[j]);
+				else
+					printf(" %08X", (unsigned)((UInt32 *)buf->mData)[j]);
+			}
+		}
+		printf("\n");
+	}
+}
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUBuffer.h

@@ -0,0 +1,267 @@
+/*
+     File: AUBuffer.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUBuffer_h__
+#define __AUBuffer_h__
+
+#include <TargetConditionals.h>
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <AudioUnit/AudioUnit.h>
+#else
+	#include <AudioUnit.h>
+#endif
+
+#include <string.h>
+#include "CAStreamBasicDescription.h"
+#include "CAAutoDisposer.h"
+#include "CADebugMacros.h"
+
+// make this usable outside the stricter context of AudiUnits
+#ifndef COMPONENT_THROW
+	#define COMPONENT_THROW(err) \
+		do { DebugMessage(#err); throw static_cast<OSStatus>(err); } while (0)
+#endif
+
+
+	/*! @class AUBufferList */
+class AUBufferList {
+	enum EPtrState {
+		kPtrsInvalid,
+		kPtrsToMyMemory,
+		kPtrsToExternalMemory
+	};
+public:
+	/*! @ctor AUBufferList */
+	AUBufferList() : mPtrState(kPtrsInvalid), mExternalMemory(false), mPtrs(NULL), mMemory(NULL),
+		mAllocatedStreams(0), mAllocatedFrames(0), mAllocatedBytes(0) { }
+	/*! @dtor ~AUBufferList */
+	~AUBufferList();
+
+	/*! @method PrepareBuffer */
+	AudioBufferList &	PrepareBuffer(const CAStreamBasicDescription &format, UInt32 nFrames);
+	/*! @method PrepareNullBuffer */
+	AudioBufferList &	PrepareNullBuffer(const CAStreamBasicDescription &format, UInt32 nFrames);
+
+	/*! @method SetBufferList */
+	AudioBufferList &	SetBufferList(const AudioBufferList &abl) {
+							if (mAllocatedStreams < abl.mNumberBuffers)
+								COMPONENT_THROW(-1);
+							mPtrState = kPtrsToExternalMemory;
+							memcpy(mPtrs, &abl, (char *)&abl.mBuffers[abl.mNumberBuffers] - (char *)&abl);
+							return *mPtrs;
+						}
+
+	/*! @method SetBuffer */
+	void				SetBuffer(UInt32 index, const AudioBuffer &ab) {
+							if (mPtrState == kPtrsInvalid || index >= mPtrs->mNumberBuffers)
+								COMPONENT_THROW(-1);
+							mPtrState = kPtrsToExternalMemory;
+							mPtrs->mBuffers[index] = ab;
+						}
+
+	/*! @method InvalidateBufferList */
+	void				InvalidateBufferList() { mPtrState = kPtrsInvalid; }
+
+	/*! @method GetBufferList */
+	AudioBufferList &	GetBufferList() const {
+							if (mPtrState == kPtrsInvalid)
+								COMPONENT_THROW(-1);
+							return *mPtrs;
+						}
+
+	/*! @method CopyBufferListTo */
+	void				CopyBufferListTo(AudioBufferList &abl) const {
+							if (mPtrState == kPtrsInvalid)
+								COMPONENT_THROW(-1);
+							memcpy(&abl, mPtrs, (char *)&abl.mBuffers[abl.mNumberBuffers] - (char *)&abl);
+						}
+
+	/*! @method CopyBufferContentsTo */
+	void				CopyBufferContentsTo(AudioBufferList &abl) const {
+							if (mPtrState == kPtrsInvalid)
+								COMPONENT_THROW(-1);
+							const AudioBuffer *srcbuf = mPtrs->mBuffers;
+							AudioBuffer *destbuf = abl.mBuffers;
+
+							for (UInt32 i = 0; i < abl.mNumberBuffers; ++i, ++srcbuf, ++destbuf) {
+								if (i >= mPtrs->mNumberBuffers) // duplicate last source to additional outputs [4341137]
+									--srcbuf;
+								if (destbuf->mData != srcbuf->mData)
+									memmove(destbuf->mData, srcbuf->mData, srcbuf->mDataByteSize);
+								destbuf->mDataByteSize = srcbuf->mDataByteSize;
+							}
+						}
+
+	/*! @method Allocate */
+	void				Allocate(const CAStreamBasicDescription &format, UInt32 nFrames);
+	/*! @method Deallocate */
+	void				Deallocate();
+
+	/*! @method UseExternalBuffer */
+	void				UseExternalBuffer(const CAStreamBasicDescription &format, const AudioUnitExternalBuffer &buf);
+
+	// AudioBufferList utilities
+	/*! @method ZeroBuffer */
+	static void			ZeroBuffer(AudioBufferList &abl) {
+							AudioBuffer *buf = abl.mBuffers;
+							for (UInt32 i = abl.mNumberBuffers ; i--; ++buf)
+								memset(buf->mData, 0, buf->mDataByteSize);
+						}
+#if DEBUG
+	/*! @method PrintBuffer */
+	static void			PrintBuffer(const char *label, int subscript, const AudioBufferList &abl, UInt32 nFrames = 8, bool asFloats = true);
+#endif
+
+	/*! @method GetAllocatedFrames */
+	UInt32				GetAllocatedFrames() const { return mAllocatedFrames; }
+
+private:
+	/*! @ctor AUBufferList */
+	AUBufferList(AUBufferList &) { }	// prohibit copy constructor
+
+	/*! @var mPtrState */
+	EPtrState					mPtrState;
+	/*! @var mExternalMemory */
+	bool						mExternalMemory;
+	/*! @var mPtrs */
+	AudioBufferList *			mPtrs;
+	/*! @var mMemory */
+	Byte *						mMemory;
+	/*! @var mAllocatedStreams */
+	UInt32						mAllocatedStreams;
+	/*! @var mAllocatedFrames */
+	UInt32						mAllocatedFrames;
+	/*! @var mAllocatedBytes */
+	UInt32						mAllocatedBytes;
+};
+
+
+// Allocates an array of samples (type T), to be optimally aligned for the processor
+	/*! @class TAUBuffer */
+template <class T>
+class TAUBuffer {
+public:
+	enum {
+		kAlignInterval = 0x10,
+		kAlignMask = kAlignInterval - 1
+	};
+
+	/*! @ctor TAUBuffer.0 */
+	TAUBuffer() :	mMemObject(NULL), mAlignedBuffer(NULL), mBufferSizeBytes(0)
+	{
+	}
+
+	/*! @ctor TAUBuffer.1 */
+	TAUBuffer(UInt32 numElems, UInt32 numChannels) :	mMemObject(NULL), mAlignedBuffer(NULL),
+														mBufferSizeBytes(0)
+	{
+		Allocate(numElems, numChannels);
+	}
+
+	/*! @dtor ~TAUBuffer */
+	~TAUBuffer()
+	{
+		Deallocate();
+	}
+
+	/*! @method Allocate */
+	void	Allocate(UInt32 numElems)			// can also re-allocate
+	{
+		UInt32 reqSize = numElems * sizeof(T);
+
+		if (mMemObject != NULL && reqSize == mBufferSizeBytes)
+			return;	// already allocated
+
+		mBufferSizeBytes = reqSize;
+		mMemObject = CA_realloc(mMemObject, reqSize);
+		UInt32 misalign = (uintptr_t)mMemObject & kAlignMask;
+		if (misalign) {
+			mMemObject = CA_realloc(mMemObject, reqSize + kAlignMask);
+			mAlignedBuffer = (T *)((char *)mMemObject + kAlignInterval - misalign);
+		} else
+			mAlignedBuffer = (T *)mMemObject;
+	}
+
+	/*! @method Deallocate */
+	void	Deallocate()
+	{
+		if (mMemObject == NULL) return;			// so this method has no effect if we're using
+												// an external buffer
+
+		free(mMemObject);
+		mMemObject = NULL;
+		mAlignedBuffer = NULL;
+		mBufferSizeBytes = 0;
+	}
+
+	/*! @method AllocateClear */
+	void	AllocateClear(UInt32 numElems)		// can also re-allocate
+	{
+		Allocate(numElems);
+		Clear();
+	}
+
+	/*! @method Clear */
+	void	Clear()
+	{
+		memset(mAlignedBuffer, 0, mBufferSizeBytes);
+	}
+
+	// accessors
+
+	/*! @method operator T *()@ */
+	operator T *()				{ return mAlignedBuffer; }
+
+private:
+	/*! @var mMemObject */
+	void *		mMemObject;			// null when using an external buffer
+	/*! @var mAlignedBuffer */
+	T *			mAlignedBuffer;		// always valid once allocated
+	/*! @var mBufferSizeBytes */
+	UInt32		mBufferSizeBytes;
+};
+
+#endif // __AUBuffer_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUCarbonViewBase.cpp

@@ -0,0 +1,403 @@
+/*
+     File: AUCarbonViewBase.cpp
+ Abstract: AUCarbonViewBase.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 "AUCarbonViewBase.h"
+#include "AUCarbonViewControl.h"
+#include <algorithm>
+
+AUCarbonViewBase::AUCarbonViewBase(AudioUnitCarbonView inInstance, Float32 inNotificationInterval /* in seconds */) :
+	ComponentBase(inInstance),
+	mEditAudioUnit(0),
+	mParameterListener(NULL),
+#if !__LP64__
+	mEventListener(NULL),
+#endif
+	mTimerRef (NULL),
+	mTimerUPP (NULL),
+	mCarbonWindow(NULL),
+	mCarbonPane(NULL),
+	mXOffset(0),
+	mYOffset(0)
+{
+	AUEventListenerCreate (ParameterListener, this,
+			CFRunLoopGetCurrent(), kCFRunLoopCommonModes,
+			inNotificationInterval, inNotificationInterval,
+			&mParameterListener);
+}
+
+AUCarbonViewBase::~AUCarbonViewBase()
+{
+#if !__LP64__
+	if (mCarbonPane)
+		DisposeControl(mCarbonPane);
+
+	for (ControlList::iterator it = mControlList.begin(); it != mControlList.end(); ++it) {
+		AUCarbonViewControl *ctl = *it;
+		delete ctl;
+	}
+	AUListenerDispose(mParameterListener);
+
+	if (mTimerRef)
+		::RemoveEventLoopTimer (mTimerRef);
+
+	if (mTimerUPP)
+		DisposeEventLoopTimerUPP (mTimerUPP);
+#endif
+}
+
+void	AUCarbonViewBase::AddControl(AUCarbonViewControl *control)
+{
+	ControlList::iterator it = find(mControlList.begin(), mControlList.end(), control);
+	if (it == mControlList.end())
+		mControlList.push_back(control);
+}
+
+void	AUCarbonViewBase::RemoveControl(AUCarbonViewControl *control)
+{
+	ControlList::iterator it = find(mControlList.begin(), mControlList.end(), control);
+	if (it != mControlList.end()) {
+		AUCarbonViewControl *ctl = *it;
+		mControlList.erase(it);
+		delete ctl;
+	}
+}
+
+void	AUCarbonViewBase::ClearControls ()
+{
+	for (ControlList::iterator it = mControlList.begin(); it != mControlList.end(); ++it) {
+		AUCarbonViewControl *ctl = *it;
+		delete ctl;
+	}
+	mControlList.clear();
+}
+
+void	AUCarbonViewBase::ParameterListener(void *				inCallbackRefCon,
+									void *						inObject,
+									const AudioUnitEvent *		inEvent,
+									UInt64						inEventHostTime,
+									Float32						inParameterValue)
+{
+	if (inEvent->mEventType == kAudioUnitEvent_ParameterValueChange) {
+		AUCarbonViewControl *ctl = (AUCarbonViewControl *)inObject;
+		ctl->ParameterToControl(inParameterValue);
+	}
+}
+
+
+OSStatus			AUCarbonViewBase::CreateCarbonView(AudioUnit inAudioUnit, WindowRef inWindow, ControlRef inParentControl, const Float32Point &inLocation, const Float32Point &inSize, ControlRef &outParentControl)
+{
+#if !__LP64__
+	mEditAudioUnit = inAudioUnit;
+	mCarbonWindow = inWindow;
+
+	WindowAttributes attributes;
+	verify_noerr(GetWindowAttributes(mCarbonWindow, &attributes));
+	mCompositWindow = (attributes & kWindowCompositingAttribute) != 0;
+
+	Rect area;
+	area.left = short(inLocation.x); area.top = short(inLocation.y);
+	area.right = short(area.left + inSize.x); area.bottom = short(area.top + inSize.y);
+	OSStatus err = ::CreateUserPaneControl(inWindow, &area,
+						kControlSupportsEmbedding,
+						&mCarbonPane);	// subclass can resize mCarbonPane to taste
+	verify_noerr(err);
+	if (err) return err;
+	outParentControl = mCarbonPane;
+
+	// register for mouse-down in our pane -- we want to clear focus
+	EventTypeSpec paneEvents[] = {
+		{ kEventClassControl, kEventControlClick }
+	};
+	WantEventTypes(GetControlEventTarget(mCarbonPane), GetEventTypeCount(paneEvents), paneEvents);
+
+	if (IsCompositWindow()) {
+		verify_noerr(::HIViewAddSubview(inParentControl, mCarbonPane));
+		mXOffset = 0;
+		mYOffset = 0;
+	}
+	else {
+		verify_noerr(::EmbedControl(mCarbonPane, inParentControl));
+		mXOffset = inLocation.x;
+		mYOffset = inLocation.y;
+	}
+	mBottomRight.h = mBottomRight.v = 0;
+
+	SizeControl(mCarbonPane, 0, 0);
+	if (err = CreateUI(mXOffset, mYOffset))
+		return err;
+
+	// we should only resize the control if a subclass has embedded
+	// controls in this AND this is done with the EmbedControl call below
+	// if mBottomRight is STILL equal to zero, then that wasn't done
+	// so don't size the control
+	Rect paneBounds;
+	GetControlBounds(mCarbonPane, &paneBounds);
+	// only resize mCarbonPane if it has not already been resized during CreateUI
+	if ((paneBounds.top == paneBounds.bottom) && (paneBounds.left == paneBounds.right)) {
+		if (mBottomRight.h != 0 && mBottomRight.v != 0)
+			SizeControl(mCarbonPane, (short) (mBottomRight.h - mXOffset), (short) (mBottomRight.v - mYOffset));
+	}
+
+	if (IsCompositWindow()) {
+		// prepare for handling scroll-events
+		EventTypeSpec scrollEvents[] = {
+			{ kEventClassScrollable, kEventScrollableGetInfo },
+			{ kEventClassScrollable, kEventScrollableScrollTo }
+		};
+
+		WantEventTypes(GetControlEventTarget(mCarbonPane), GetEventTypeCount(scrollEvents), scrollEvents);
+
+		mCurrentScrollPoint.x = mCurrentScrollPoint.y = 0.0f;
+	}
+
+	return err;
+#else
+	return noErr;
+#endif
+}
+
+OSStatus	AUCarbonViewBase::CreateUI(Float32	inXOffset, Float32 	inYOffset)
+{
+	return noErr;
+}
+
+OSStatus	AUCarbonViewBase::EmbedControl(ControlRef ctl)
+{
+#if !__LP64__
+	Rect r;
+	::GetControlBounds(ctl, &r);
+	if (r.right > mBottomRight.h) mBottomRight.h = r.right;
+	if (r.bottom > mBottomRight.v) mBottomRight.v = r.bottom;
+
+	if (IsCompositWindow())
+		return ::HIViewAddSubview(mCarbonPane, ctl);
+	else
+		return ::EmbedControl(ctl, mCarbonPane);
+#else
+	return noErr;
+#endif
+}
+
+void	AUCarbonViewBase::AddCarbonControl(AUCarbonViewControl::ControlType type, const CAAUParameter &param, ControlRef control)
+{
+	verify_noerr(EmbedControl(control));
+
+	AUCarbonViewControl *auvc = new AUCarbonViewControl(this, mParameterListener, type, param, control);
+	auvc->Bind();
+	AddControl(auvc);
+}
+
+bool	AUCarbonViewBase::HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event)
+{
+#if !__LP64__
+	UInt32 eclass = GetEventClass(event);
+	UInt32 ekind = GetEventKind(event);
+	ControlRef control;
+
+	switch (eclass) {
+		case kEventClassControl:
+		{
+			switch (ekind) {
+			case kEventControlClick:
+				GetEventParameter(event, kEventParamDirectObject, typeControlRef, NULL, sizeof(ControlRef), NULL, &control);
+				if (control == mCarbonPane) {
+					ClearKeyboardFocus(mCarbonWindow);
+					return true;
+				}
+			}
+		}
+		break;
+
+		case kEventClassScrollable:
+		{
+			switch (ekind) {
+			case kEventScrollableGetInfo:
+				{
+					// [1/4]
+					/*	<--	kEventParamImageSize (out, typeHISize)
+					 *		On exit, contains the size of the entire scrollable view.
+					 */
+					HISize originalSize = { static_cast<CGFloat>(mBottomRight.h), static_cast<CGFloat>(mBottomRight.v) };
+					verify_noerr(SetEventParameter(event, kEventParamImageSize, typeHISize, sizeof(HISize), &originalSize));
+
+					// [2/4]
+					/*	<--	kEventParamViewSize (out, typeHISize)
+					 *		On exit, contains the amount of the scrollable view that is
+					 *		visible.
+					 */
+					HIViewRef parentView = HIViewGetSuperview(mCarbonPane);
+					HIRect parentBounds;
+					verify_noerr(HIViewGetBounds(parentView, &parentBounds));
+					//HISize windowSize = {	float(windowBounds.right - windowBounds.left),
+					//						float(windowBounds.bottom - windowBounds.top) };
+					verify_noerr(SetEventParameter(event, kEventParamViewSize, typeHISize, sizeof(HISize), &(parentBounds.size)));
+
+					// [3/4]
+					/*	<--	kEventParamLineSize (out, typeHISize)
+					 *		On exit, contains the amount that should be scrolled in
+					 *		response to a single click on a scrollbar arrow.
+					 */
+					 HISize scrollIncrementSize = { 16.0f, float(20) };
+					 verify_noerr(SetEventParameter(event, kEventParamLineSize, typeHISize, sizeof(HISize), &scrollIncrementSize));
+
+					// [4/4]
+					/*	<-- kEventParamOrigin (out, typeHIPoint)
+					 *		On exit, contains the scrollable viewÕs current origin (the
+					 *		view-relative coordinate that is drawn at the top left
+					 *		corner of its frame). These coordinates should always be
+					 *		greater than or equal to zero. They should be less than or
+					 *		equal to the viewÕs image size minus its view size.
+					 */
+					 verify_noerr(SetEventParameter(event, kEventParamOrigin, typeHIPoint, sizeof(HIPoint), &mCurrentScrollPoint));
+				}
+				return true;
+
+			case kEventScrollableScrollTo:
+				{
+					/*
+					 *  kEventClassScrollable / kEventScrollableScrollTo
+					 *
+					 *  Summary:
+					 *    Requests that an HIScrollViewÕs scrollable view should scroll to
+					 *    a particular origin.
+					 */
+
+					/*	-->	kEventParamOrigin (in, typeHIPoint)
+					 *		The new origin for the scrollable view. The origin
+					 *		coordinates will vary from (0,0) to scrollable viewÕs image
+					 *		size minus its view size.
+					 */
+					HIPoint pointToScrollTo;
+					verify_noerr(GetEventParameter(event, kEventParamOrigin, typeHIPoint, NULL, sizeof(HIPoint), NULL, &pointToScrollTo));
+
+					float xDelta = mCurrentScrollPoint.x - pointToScrollTo.x;
+					float yDelta = mCurrentScrollPoint.y - pointToScrollTo.y;
+					// move visible portion the appropriate amount
+					verify_noerr(HIViewScrollRect(mCarbonPane, NULL, xDelta, yDelta));
+					// set new content to be drawn
+					verify_noerr(HIViewSetBoundsOrigin(mCarbonPane, pointToScrollTo.x, pointToScrollTo.y));
+
+					mCurrentScrollPoint = pointToScrollTo;
+				}
+				return true;
+
+			default:
+				break;
+			}
+		}
+		break;
+
+		default:
+			break;
+	}
+#endif
+	return false;
+}
+
+/*! @method TellListener */
+void	AUCarbonViewBase::TellListener (const CAAUParameter &auvp, AudioUnitCarbonViewEventID event, void *evpar)
+{
+#if !__LP64__
+	if (mEventListener)
+		(*mEventListener)(mEventListenerUserData, mComponentInstance, &auvp, event, evpar);
+#endif
+
+	AudioUnitEvent	auEvent;
+	auEvent.mArgument.mParameter = auvp;
+	if (event == kAudioUnitCarbonViewEvent_MouseDownInControl) {
+		auEvent.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
+	} else {
+		auEvent.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
+	}
+	AUEventListenerNotify(mParameterListener, this, &auEvent);
+}
+
+
+void			AUCarbonViewBase::Update (bool inUIThread)
+{
+	for (ControlList::iterator iter = mControlList.begin(); iter != mControlList.end(); ++iter)
+	{
+		(*iter)->Update(inUIThread);
+	}
+}
+
+pascal void		AUCarbonViewBase::TheTimerProc (EventLoopTimerRef inTimer, void *inUserData)
+{
+	AUCarbonViewBase* This = reinterpret_cast<AUCarbonViewBase*>(inUserData);
+	This->RespondToEventTimer (inTimer);
+}
+
+void			AUCarbonViewBase::RespondToEventTimer (EventLoopTimerRef inTimer)
+{}
+
+/*
+	THESE are reasonable values for these two times
+	0.005 // delay
+	0.050 // interval
+*/
+
+OSStatus	AUCarbonViewBase::CreateEventLoopTimer (Float32 inDelay, Float32 inInterval)
+{
+	if (mTimerUPP)
+		return noErr;
+
+	mTimerUPP = NewEventLoopTimerUPP(TheTimerProc);
+
+	EventLoopRef mainEventLoop = GetMainEventLoop();
+
+		//doesn't seem to like too small a value
+	if (inDelay < 0.005)
+		inDelay = 0.005;
+
+	OSStatus timerResult =  ::InstallEventLoopTimer(
+									mainEventLoop,
+									inDelay,
+									inInterval,
+									mTimerUPP,
+									this,
+									&mTimerRef);
+	return timerResult;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUCarbonViewBase.h

@@ -0,0 +1,188 @@
+/*
+     File: AUCarbonViewBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUCarbonViewBase_h__
+#define __AUCarbonViewBase_h__
+
+#include <vector>
+#include "AUCarbonViewControl.h"
+#include "ComponentBase.h"
+
+static const Float32 kDefaultNotificationInterval = 0.100;
+
+	/*! @class AUCarbonViewBase */
+class AUCarbonViewBase : public ComponentBase, public CarbonEventHandler
+{
+public:
+    /*! @ctor AUCarbonViewBase */
+    AUCarbonViewBase (	AudioUnitCarbonView inInstance,
+						Float32 inNotificationInterval = kDefaultNotificationInterval /* in seconds */);
+	/*! @dtor ~AUCarbonViewBase */
+	virtual ~AUCarbonViewBase();
+
+	// AUViewBase overrides
+	/*! @method CreateCarbonView */
+	virtual OSStatus			CreateCarbonView (AudioUnit inAudioUnit, WindowRef inWindow, ControlRef inParentControl, const Float32Point &inLocation, const Float32Point &inSize, ControlRef &outParentControl);
+
+	// our own virtual methods
+	/*! @method CreateUI */
+	virtual OSStatus			CreateUI (Float32	inXOffset, Float32 	inYOffset);
+
+	/*! @method HandleEvent */
+	virtual bool				HandleEvent (EventHandlerCallRef inHandlerRef, EventRef event);
+
+	/*! @method GetEditAudioUnit */
+	const AudioUnit				GetEditAudioUnit () const { return mEditAudioUnit; }
+	//
+	/*! @method ComponentEntryDispatch */
+	static OSStatus			ComponentEntryDispatch (
+									ComponentParameters *			params,
+									AUCarbonViewBase *				This);
+
+	/*! @method AddCarbonControl */
+	void						AddCarbonControl (
+									AUCarbonViewControl::ControlType	type,
+									const CAAUParameter &				param,
+									ControlRef							control);
+
+	/*! @method GetCarbonWindow */
+	WindowRef					GetCarbonWindow () { return mCarbonWindow; }
+	/*! @method GetCarbonPane */
+	ControlRef					GetCarbonPane () { return mCarbonPane; }
+	/*! @method EmbedControl */
+	OSStatus					EmbedControl (ControlRef ctl);
+
+	/*! @method TellListener */
+	void						TellListener (const CAAUParameter &auvp, AudioUnitCarbonViewEventID event, void *evpar);
+
+	// pass in true if wanting an update to the view and you're calling this from a thread
+	// that is safe to do UI in.
+	// If you don't know, pass in false!
+	/*! @method Update */
+	void						Update (bool inUIThread);
+
+	/*! @method GetXOffset */
+	Float32						GetXOffset () { return mXOffset; }
+	/*! @method GetYOffset */
+	Float32						GetYOffset () { return mYOffset; }
+
+	/*! @method ClearControls */
+	void						ClearControls ();
+
+	/*! @method IsCompositWindow */
+	bool						IsCompositWindow () const { return mCompositWindow; }
+
+protected:
+#if !__LP64__
+	/*! @method SetEventListener */
+	void						SetEventListener (AudioUnitCarbonViewEventListener listener, void *userData)
+								{
+									mEventListener = listener;
+									mEventListenerUserData = userData;
+								}
+#endif
+
+	/*! @method AddControl */
+	void						AddControl (AUCarbonViewControl *control);
+	/*! @method RemoveControl */
+	void						RemoveControl (AUCarbonViewControl *control);
+
+	OSStatus					CreateEventLoopTimer (Float32 inDelay, Float32 inInterval);
+
+	/*! @method ParameterListener */
+	static void ParameterListener (void *						inCallbackRefCon,
+									void *						inObject,
+									const AudioUnitEvent *		inEvent,
+									UInt64						inEventHostTime,
+									Float32						inParameterValue);
+
+	static pascal void TheTimerProc (	EventLoopTimerRef 		inTimer,
+										void *					inUserData);
+
+	virtual void 				RespondToEventTimer (EventLoopTimerRef inTimer);
+
+	/*! @var mEditAudioUnit */
+	AudioUnit					mEditAudioUnit;	// the AU we're controlling
+	/*! @var mParameterListener */
+	AUEventListenerRef			mParameterListener;
+
+#if !__LP64__
+	/*! @var mEventListener */
+	AudioUnitCarbonViewEventListener
+								mEventListener;
+#endif
+
+	/*! @var mEventListenerUserData */
+	void *						mEventListenerUserData;
+
+private:
+	typedef std::vector<AUCarbonViewControl *> ControlList;
+	/*! @var mControlList */
+	ControlList					mControlList;
+
+	EventLoopTimerRef 			mTimerRef;
+
+	EventLoopTimerUPP			mTimerUPP;
+
+protected:
+	/*! @var mCarbonWindow */
+	WindowRef			mCarbonWindow;
+	/*! @var mCarbonPane */
+	ControlRef			mCarbonPane;	// user pane, contains all other controls
+	/*! @var mBottomRight */
+	Point				mBottomRight;	// largest width and height of child controls
+	/*! @var mXOffset */
+	Float32				mXOffset;
+	/*! @var mYOffset */
+	Float32				mYOffset;
+	/*! @var mCompositWindow */
+	bool				mCompositWindow;
+	/*! @var mCurrentScrollPoint */
+	HIPoint				mCurrentScrollPoint;		// needed for scrolling
+};
+
+
+#endif // __AUCarbonViewBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUCarbonViewControl.cpp

@@ -0,0 +1,710 @@
+/*
+     File: AUCarbonViewControl.cpp
+ Abstract: AUCarbonViewControl.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 "AUCarbonViewControl.h"
+#include "AUCarbonViewBase.h"
+#include "AUViewLocalizedStringKeys.h"
+
+AUCarbonViewControl::AUCarbonViewControl(AUCarbonViewBase *ownerView, AUParameterListenerRef listener, ControlType type, const CAAUParameter &param, ControlRef control) :
+	mOwnerView(ownerView),
+	mListener(listener),
+	mType(type),
+	mParam(param),
+	mControl(control),
+	mInControlInitialization(0)
+{
+#if !__LP64__
+	SetControlReference(control, SRefCon(this));
+#endif
+}
+
+AUCarbonViewControl::~AUCarbonViewControl()
+{
+	AUListenerRemoveParameter(mListener, this, &mParam);
+}
+
+AUCarbonViewControl* AUCarbonViewControl::mLastControl = NULL;
+
+void	AUCarbonViewControl::Bind()
+{
+#if !__LP64__
+	mInControlInitialization = 1;   // true
+	AUListenerAddParameter(mListener, this, &mParam);
+		// will cause an almost-immediate callback
+
+	EventTypeSpec events[] = {
+		{ kEventClassControl, kEventControlValueFieldChanged }	// N.B. OS X only
+	};
+
+	WantEventTypes(GetControlEventTarget(mControl), GetEventTypeCount(events), events);
+
+	if (mType == kTypeContinuous || mType == kTypeText || mType == kTypeDiscrete) {
+		EventTypeSpec events[] = {
+			{ kEventClassControl, kEventControlHit },
+			{ kEventClassControl, kEventControlClick },
+		    { kEventClassControl, kEventControlTrack }
+		};
+		WantEventTypes(GetControlEventTarget(mControl), GetEventTypeCount(events), events);
+	}
+
+	if (mType == kTypeText) {
+		EventTypeSpec events[] = {
+			{ kEventClassControl, kEventControlSetFocusPart }
+		};
+		WantEventTypes(GetControlEventTarget(mControl), GetEventTypeCount(events), events);
+		ControlKeyFilterUPP proc = mParam.ValuesHaveStrings() ? StdKeyFilterCallback : NumericKeyFilterCallback;
+			// this will fail for a static text field
+		SetControlData(mControl, 0, kControlEditTextKeyFilterTag, sizeof(proc), &proc);
+	}
+
+	Update(true);
+	mInControlInitialization = 0;   // false
+#endif
+}
+
+void	AUCarbonViewControl::ParameterToControl(Float32 paramValue)
+{
+#if !__LP64__
+	++mInControlInitialization;
+	switch (mType) {
+	case kTypeContinuous:
+		SetValueFract(AUParameterValueToLinear(paramValue, &mParam));
+		break;
+	case kTypeDiscrete:
+		{
+			long value = long(paramValue);
+
+			// special case [1] -- menu parameters
+			if (mParam.HasNamedParams()) {
+				// if we're dealing with menus they behave differently!
+				// becaue setting min and max doesn't work correctly for the control value
+				// first menu item always reports a control value of 1
+				ControlKind ctrlKind;
+				if (GetControlKind(mControl, &ctrlKind) == noErr) {
+					if ((ctrlKind.kind == kControlKindPopupArrow)
+						|| (ctrlKind.kind == kControlKindPopupButton))
+					{
+						value = value - long(mParam.ParamInfo().minValue) + 1;
+					}
+				}
+			}
+
+			// special case [2] -- Write-only boolean parameters
+			AudioUnitParameterInfo AUPI = mParam.ParamInfo();
+
+			bool isWriteOnlyBoolParameter = (	(AUPI.unit == kAudioUnitParameterUnit_Boolean) &&
+												(AUPI.flags & kAudioUnitParameterFlag_IsWritable) &&
+												!(AUPI.flags & kAudioUnitParameterFlag_IsReadable)	);
+			if (!isWriteOnlyBoolParameter) {
+				SetValue (value);
+			}
+		}
+		break;
+	case kTypeText:
+		{
+			CFStringRef cfstr = mParam.GetStringFromValueCopy(&paramValue);
+
+			if ( !(mParam.ParamInfo().flags & kAudioUnitParameterFlag_IsWritable)			//READ ONLY PARAMS
+					&& (mParam.ParamInfo().flags & kAudioUnitParameterFlag_IsReadable))
+			{
+				if (mParam.GetParamTag()) {
+					CFMutableStringRef str = CFStringCreateMutableCopy(NULL, 256, cfstr);
+					CFRelease (cfstr);
+					CFStringAppend (str, CFSTR(" "));
+					CFStringAppend (str, mParam.GetParamTag());
+					cfstr = str;
+				}
+			}
+			SetTextValue(cfstr);
+			CFRelease (cfstr);
+		}
+		break;
+	}
+	--mInControlInitialization;
+#endif
+}
+
+void	AUCarbonViewControl::ControlToParameter()
+{
+#if !__LP64__
+	if (mInControlInitialization)
+		return;
+
+	switch (mType) {
+	case kTypeContinuous:
+		{
+			double controlValue = GetValueFract();
+			Float32 paramValue = AUParameterValueFromLinear(controlValue, &mParam);
+			mParam.SetValue(mListener, this, paramValue);
+		}
+		break;
+	case kTypeDiscrete:
+		{
+			long value = GetValue();
+
+			// special case [1] -- Menus
+			if (mParam.HasNamedParams()) {
+				// if we're dealing with menus they behave differently!
+				// becaue setting min and max doesn't work correctly for the control value
+				// first menu item always reports a control value of 1
+				ControlKind ctrlKind;
+				if (GetControlKind(mControl, &ctrlKind) == noErr) {
+					if ((ctrlKind.kind == kControlKindPopupArrow)
+						|| (ctrlKind.kind == kControlKindPopupButton))
+					{
+						value = value + long(mParam.ParamInfo().minValue) - 1;
+					}
+				}
+			}
+
+			// special case [2] -- Write-only boolean parameters
+			AudioUnitParameterInfo AUPI = mParam.ParamInfo();
+
+			bool isWriteOnlyBoolParameter = (	(AUPI.unit == kAudioUnitParameterUnit_Boolean) &&
+												(AUPI.flags & kAudioUnitParameterFlag_IsWritable) &&
+												!(AUPI.flags & kAudioUnitParameterFlag_IsReadable)	);
+			if (isWriteOnlyBoolParameter) {
+				value = 1;
+			}
+
+			mParam.SetValue (mListener, this, value);
+		}
+		break;
+	case kTypeText:
+		{
+			Float32 val = mParam.GetValueFromString (GetTextValue());
+			mParam.SetValue(mListener, this, (mParam.IsIndexedParam() ? (int)val : val));
+			if (mParam.ValuesHaveStrings())
+				ParameterToControl(val); //make sure we display the correct text (from the AU)
+		}
+		break;
+	}
+#endif
+}
+
+void	AUCarbonViewControl::SetValueFract(double value)
+{
+#if !__LP64__
+	SInt32 minimum = GetControl32BitMinimum(mControl);
+	SInt32 maximum = GetControl32BitMaximum(mControl);
+	SInt32 cval = SInt32(value * (maximum - minimum) + minimum + 0.5);
+	SetControl32BitValue(mControl, cval);
+//	printf("set: value=%lf, min=%ld, max=%ld, ctl value=%ld\n", value, minimum, maximum, cval);
+#endif
+}
+
+double	AUCarbonViewControl::GetValueFract()
+{
+#if !__LP64__
+	SInt32 minimum = GetControl32BitMinimum(mControl);
+	SInt32 maximum = GetControl32BitMaximum(mControl);
+	SInt32 cval = GetControl32BitValue(mControl);
+	double result = double(cval - minimum) / double(maximum - minimum);
+//	printf("get: min=%ld, max=%ld, value=%ld, result=%f\n", minimum, maximum, cval, result);
+	return result;
+#else
+	return 0;
+#endif
+}
+
+void	AUCarbonViewControl::SetTextValue(CFStringRef cfstr)
+{
+#if !__LP64__
+	verify_noerr(SetControlData(mControl, 0, kControlEditTextCFStringTag, sizeof(CFStringRef), &cfstr));
+#endif
+}
+
+CFStringRef	AUCarbonViewControl::GetTextValue()
+{
+#if !__LP64__
+	CFStringRef cfstr;
+	verify_noerr(GetControlData(mControl, 0, kControlEditTextCFStringTag, sizeof(CFStringRef), &cfstr, NULL));
+	return cfstr;
+#else
+	return CFSTR("");
+#endif
+}
+
+void	AUCarbonViewControl::SetValue(long value)
+{
+#if !__LP64__
+	SetControl32BitValue(mControl, value);
+#endif
+}
+
+long	AUCarbonViewControl::GetValue()
+{
+#if !__LP64__
+	return GetControl32BitValue(mControl);
+#else
+	return 0;
+#endif
+}
+
+/* Notes on event handling
+
+	Button (Click and release on button)
+		kEventControlClick received
+		kEventControlTrack received
+		kEventControlValueFieldChanged received
+		kEventControlHit received
+
+	Button (Click and release outside of button bounds)
+		kEventControlClick received
+		kEventControlTrack received
+
+	Slider (Click, drag, and release)
+		kEventControlClick received
+		kEventControlTrack received
+		kEventControlValueFieldChanged received
+		kEventControlValueFieldChanged received
+		kEventControlHit received
+
+	Slider (Click, release without changing value)
+		kEventControlClick received
+		kEventControlTrack received
+*/
+bool	AUCarbonViewControl::HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event)
+{
+	UInt32 eclass = GetEventClass(event);
+	UInt32 ekind = GetEventKind(event);
+	ControlRef control;
+	bool		handled = true;
+
+	switch (eclass) {
+		case kEventClassControl:
+		{
+			AudioUnitParameterInfo AUPI = mParam.ParamInfo();
+
+			bool isWriteOnlyBoolParameter = (	(AUPI.unit == kAudioUnitParameterUnit_Boolean) &&
+												(AUPI.flags & kAudioUnitParameterFlag_IsWritable) &&
+												!(AUPI.flags & kAudioUnitParameterFlag_IsReadable)	);
+
+			switch (ekind) {
+				case kEventControlSetFocusPart:	// tab
+					handled = !handled;		// fall through to next case
+					mLastControl = this;
+				case kEventControlValueFieldChanged:
+					GetEventParameter(event, kEventParamDirectObject, typeControlRef, NULL, sizeof(ControlRef), NULL, &control);
+					verify(control == mControl);
+					ControlToParameter();
+					return handled;
+				case kEventControlClick:
+					if (isWriteOnlyBoolParameter) {
+						GetEventParameter(event, kEventParamDirectObject, typeControlRef, NULL, sizeof(ControlRef), NULL, &control);
+						verify(control == mControl);
+						ControlToParameter();
+					} else if (mLastControl != this) {
+						if (mLastControl != NULL) {
+							mLastControl->Update(false);
+						}
+						mLastControl = this;
+					}
+					mOwnerView->TellListener(mParam, kAudioUnitCarbonViewEvent_MouseDownInControl, NULL);
+					break;	// don't return true, continue normal processing
+				case kEventControlHit:
+					if (mLastControl != this) {
+						if (mLastControl != NULL)
+							mLastControl->Update(false);
+						mLastControl = this;
+					}
+					mOwnerView->TellListener(mParam, kAudioUnitCarbonViewEvent_MouseUpInControl, NULL);
+					break;	// don't return true, continue normal processing
+				case kEventControlTrack:
+					if (mLastControl != this) {
+						if (mLastControl != NULL)
+							mLastControl->Update(false);
+						mLastControl = this;
+					}
+
+					CallNextEventHandler(inHandlerRef, event);
+					ControlToParameter();						// new code
+					mOwnerView->TellListener(mParam, kAudioUnitCarbonViewEvent_MouseUpInControl, NULL);
+					// old code:
+					//		break;	// don't return true, continue normal processing
+
+					return handled;	// don't return true, continue normal processing
+			}
+		}
+	}
+	return !handled;
+}
+
+pascal void	AUCarbonViewControl::SliderTrackProc(ControlRef theControl, ControlPartCode partCode)
+{
+	// this doesn't need to actually do anything
+//	AUCarbonViewControl *This = (AUCarbonViewControl *)GetControlReference(theControl);
+}
+
+pascal ControlKeyFilterResult	AUCarbonViewControl::StdKeyFilterCallback(ControlRef theControl,
+												SInt16 *keyCode, SInt16 *charCode,
+												EventModifiers *modifiers)
+{
+#if !__LP64__
+	SInt16 c = *charCode;
+	if (c >= ' ' || c == '\b' || c == 0x7F || (c >= 0x1c && c <= 0x1f) || c == '\t')
+		return kControlKeyFilterPassKey;
+	if (c == '\r' || c == 3) {	// return or Enter
+		AUCarbonViewControl *This = (AUCarbonViewControl *)GetControlReference(theControl);
+		ControlEditTextSelectionRec sel = { 0, 32767 };
+		SetControlData(This->mControl, 0, kControlEditTextSelectionTag, sizeof(sel), &sel);
+		This->ControlToParameter();
+	}
+#endif
+	return kControlKeyFilterBlockKey;
+}
+
+pascal ControlKeyFilterResult	AUCarbonViewControl::NumericKeyFilterCallback(ControlRef theControl,
+												SInt16 *keyCode, SInt16 *charCode,
+												EventModifiers *modifiers)
+{
+#if !__LP64__
+	SInt16 c = *charCode;
+	if (isdigit(c) || c == '+' || c == '-' || c == '.' || c == '\b' || c == 0x7F || (c >= 0x1c && c <= 0x1f)
+	|| c == '\t')
+		return kControlKeyFilterPassKey;
+	if (c == '\r' || c == 3) {	// return or Enter
+		AUCarbonViewControl *This = (AUCarbonViewControl *)GetControlReference(theControl);
+		ControlEditTextSelectionRec sel = { 0, 32767 };
+		SetControlData(This->mControl, 0, kControlEditTextSelectionTag, sizeof(sel), &sel);
+		This->ControlToParameter();
+	}
+#endif
+	return kControlKeyFilterBlockKey;
+}
+
+Boolean	AUCarbonViewControl::SizeControlToFit(ControlRef inControl, SInt16 *outWidth, SInt16 *outHeight)
+{
+#if !__LP64__
+	if (inControl == 0) return false;
+
+	Boolean bValue = false;
+	// this only works on text controls -- returns an error for other controls, but doesn't do anything,
+	// so the error is irrelevant
+	SetControlData(inControl, kControlEntireControl, 'stim' /* kControlStaticTextIsMultilineTag */, sizeof(Boolean), &bValue);
+
+	SInt16 baseLineOffset;
+	Rect bestRect;
+	OSErr err = GetBestControlRect(inControl, &bestRect, &baseLineOffset);
+	if (err != noErr) return false;
+
+	int width = (bestRect.right - bestRect.left) + 1;
+	int height = (bestRect.bottom - bestRect.top) + 1;
+
+	Rect boundsRect;
+	GetControlBounds (inControl, &boundsRect);
+
+	Rect newRect;
+	newRect.top = boundsRect.top;
+	newRect.bottom = newRect.top + height;
+	newRect.left = boundsRect.left;
+	newRect.right = newRect.left + width;
+
+	SetControlBounds (inControl, &newRect);
+
+	if (outWidth)
+		*outWidth = width;
+
+	if (outHeight)
+		*outHeight = height;
+#endif
+	return true;
+}
+
+#pragma mark ___AUPropertyControl
+bool	AUPropertyControl::HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event)
+{
+	UInt32 eclass = GetEventClass(event);
+	UInt32 ekind = GetEventKind(event);
+	switch (eclass) {
+	case kEventClassControl:
+		switch (ekind) {
+		case kEventControlValueFieldChanged:
+			HandleControlChange();
+			return true;	// handled
+		}
+	}
+
+	return false;
+}
+
+void	AUPropertyControl::RegisterEvents ()
+{
+#if !__LP64__
+	EventTypeSpec events[] = {
+		{ kEventClassControl, kEventControlValueFieldChanged }	// N.B. OS X only
+	};
+
+	WantEventTypes(GetControlEventTarget(mControl), GetEventTypeCount(events), events);
+#endif
+}
+
+void	AUPropertyControl::EmbedControl (ControlRef theControl)
+{
+	mView->EmbedControl (theControl);
+}
+
+WindowRef 	AUPropertyControl::GetCarbonWindow()
+{
+	return mView->GetCarbonWindow();
+}
+
+#pragma mark ___AUVPreset
+#if !__LP64__
+static CFStringRef kStringFactoryPreset = kAUViewLocalizedStringKey_FactoryPreset;
+static bool sAUVPresetLocalized = false;
+#endif
+
+AUVPresets::AUVPresets (AUCarbonViewBase* 		inParentView,
+						CFArrayRef& 			inPresets,
+						Point 					inLocation,
+						int 					nameWidth,
+						int 					controlWidth,
+						ControlFontStyleRec & 	inFontStyle)
+	: AUPropertyControl (inParentView),
+	  mPresets (inPresets),
+	  mView (inParentView)
+{
+#if !__LP64__
+	Rect r;
+
+	// ok we now have an array of factory presets
+	// get their strings and display them
+
+	r.top = inLocation.v;		r.bottom = r.top;
+	r.left = inLocation.h;		r.right = r.left;
+
+    // localize as necessary
+    if (!sAUVPresetLocalized) {
+        CFBundleRef mainBundle = CFBundleGetBundleWithIdentifier(kLocalizedStringBundle_AUView);
+        if (mainBundle) {
+            kStringFactoryPreset =	CFCopyLocalizedStringFromTableInBundle(
+                                        kAUViewLocalizedStringKey_FactoryPreset, kLocalizedStringTable_AUView,
+                                        mainBundle, CFSTR("FactoryPreset title string"));
+            sAUVPresetLocalized = true;
+        }
+    }
+
+    // create localized title string
+    CFMutableStringRef factoryPresetsTitle = CFStringCreateMutable(NULL, 0);
+    CFStringAppend(factoryPresetsTitle, kStringFactoryPreset);
+    CFStringAppend(factoryPresetsTitle, kAUViewUnlocalizedString_TitleSeparator);
+
+	ControlRef theControl;
+    verify_noerr(CreateStaticTextControl(mView->GetCarbonWindow(), &r, factoryPresetsTitle, &inFontStyle, &theControl));
+	SInt16 width = 0;
+	AUCarbonViewControl::SizeControlToFit(theControl, &width, &mHeight);
+    CFRelease(factoryPresetsTitle);
+	EmbedControl(theControl);
+
+	r.top -= 2;
+	r.left += width + 10;
+	r.right = r.left;
+	r.bottom = r.top;
+
+	verify_noerr(CreatePopupButtonControl (	mView->GetCarbonWindow(), &r, NULL,
+											-12345,	// DON'T GET MENU FROM RESOURCE mMenuID,!!!
+											FALSE,	// variableWidth,
+											0,		// titleWidth,
+											0,		// titleJustification,
+											0,		// titleStyle,
+											&mControl));
+
+	MenuRef menuRef;
+	verify_noerr(CreateNewMenu(1, 0, &menuRef));
+
+	int numPresets = CFArrayGetCount(mPresets);
+
+	for (int i = 0; i < numPresets; ++i)
+	{
+		AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (mPresets, i);
+		verify_noerr(AppendMenuItemTextWithCFString (menuRef, preset->presetName, 0, 0, 0));
+	}
+
+	verify_noerr(SetControlData(mControl, 0, kControlPopupButtonMenuRefTag, sizeof(menuRef), &menuRef));
+	verify_noerr (SetControlFontStyle (mControl, &inFontStyle));
+
+	SetControl32BitMaximum (mControl, numPresets);
+
+	// size popup
+	SInt16 height = 0;
+
+	AUCarbonViewControl::SizeControlToFit(mControl, &width, &height);
+
+	if (height > mHeight) mHeight = height;
+	if (mHeight < 0) mHeight = 0;
+
+	// find which menu item is the Default preset
+	UInt32 propertySize = sizeof(AUPreset);
+	AUPreset defaultPreset;
+	OSStatus result = AudioUnitGetProperty (mView->GetEditAudioUnit(),
+									kAudioUnitProperty_PresentPreset,
+									kAudioUnitScope_Global,
+									0,
+									&defaultPreset,
+									&propertySize);
+
+	mPropertyID = kAudioUnitProperty_PresentPreset;
+#endif
+#ifndef __LP64__
+	if (result != noErr) {	// if the PresentPreset property is not implemented, fall back to the CurrentPreset property
+		OSStatus result = AudioUnitGetProperty (mView->GetEditAudioUnit(),
+									kAudioUnitProperty_CurrentPreset,
+									kAudioUnitScope_Global,
+									0,
+									&defaultPreset,
+									&propertySize);
+		mPropertyID = kAudioUnitProperty_CurrentPreset;
+		if (result == noErr)
+			CFRetain (defaultPreset.presetName);
+	}
+#endif
+#if !__LP64__
+	EmbedControl (mControl);
+
+	HandlePropertyChange(defaultPreset);
+
+	RegisterEvents();
+#endif
+}
+
+void	AUVPresets::AddInterest (AUEventListenerRef		inListener,
+											void *		inObject)
+{
+	AudioUnitEvent e;
+	e.mEventType = kAudioUnitEvent_PropertyChange;
+	e.mArgument.mProperty.mAudioUnit = mView->GetEditAudioUnit();
+	e.mArgument.mProperty.mPropertyID = mPropertyID;
+	e.mArgument.mProperty.mScope = kAudioUnitScope_Global;
+	e.mArgument.mProperty.mElement = 0;
+
+	AUEventListenerAddEventType(inListener, inObject, &e);
+}
+
+void	AUVPresets::RemoveInterest (AUEventListenerRef	inListener,
+											void *		inObject)
+{
+	AudioUnitEvent e;
+	e.mEventType = kAudioUnitEvent_PropertyChange;
+	e.mArgument.mProperty.mAudioUnit = mView->GetEditAudioUnit();
+	e.mArgument.mProperty.mPropertyID = mPropertyID;
+	e.mArgument.mProperty.mScope = kAudioUnitScope_Global;
+	e.mArgument.mProperty.mElement = 0;
+
+	AUEventListenerRemoveEventType(inListener, inObject, &e);
+}
+
+void	AUVPresets::HandleControlChange ()
+{
+#if !__LP64__
+	SInt32 i = GetControl32BitValue(mControl);
+	if (i > 0)
+	{
+		AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (mPresets, i-1);
+
+		verify_noerr(AudioUnitSetProperty (mView->GetEditAudioUnit(),
+									mPropertyID,	// either currentPreset or PresentPreset depending on which is supported
+									kAudioUnitScope_Global,
+									0,
+									preset,
+									sizeof(AUPreset)));
+
+		// when we change a preset we can't expect the AU to update its state
+		// as it isn't meant to know that its being viewed!
+		// so we broadcast a notification to all listeners that all parameters on this AU have changed
+		AudioUnitParameter changedUnit;
+		changedUnit.mAudioUnit = mView->GetEditAudioUnit();
+		changedUnit.mParameterID = kAUParameterListener_AnyParameter;
+		verify_noerr (AUParameterListenerNotify (NULL, NULL, &changedUnit) );
+	}
+#endif
+}
+
+void	AUVPresets::HandlePropertyChange(AUPreset &preset)
+{
+#if !__LP64__
+	// check to see if the preset is in our menu
+	int numPresets = CFArrayGetCount(mPresets);
+	if (preset.presetNumber < 0) {
+		SetControl32BitValue (mControl, 0); //controls are one-based
+	} else {
+		for (SInt32 i = 0; i < numPresets; ++i) {
+			AUPreset* currPreset = (AUPreset*) CFArrayGetValueAtIndex (mPresets, i);
+			if (preset.presetNumber == currPreset->presetNumber) {
+				SetControl32BitValue (mControl, ++i); //controls are one-based
+				break;
+			}
+		}
+	}
+
+	if (preset.presetName)
+		CFRelease (preset.presetName);
+#endif
+}
+
+bool	AUVPresets::HandlePropertyChange (const AudioUnitProperty &inProp)
+{
+	if (inProp.mPropertyID == mPropertyID)
+	{
+		UInt32 theSize = sizeof(AUPreset);
+		AUPreset currentPreset;
+
+		OSStatus result = AudioUnitGetProperty(inProp.mAudioUnit,
+												inProp.mPropertyID,
+												inProp.mScope,
+												inProp.mElement, &currentPreset, &theSize);
+
+		if (result == noErr) {
+#ifndef __LP64__
+			if (inProp.mPropertyID == kAudioUnitProperty_CurrentPreset && currentPreset.presetName)
+				CFRetain (currentPreset.presetName);
+#endif
+			HandlePropertyChange(currentPreset);
+			return true;
+		}
+	}
+	return false;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUCarbonViewControl.h

@@ -0,0 +1,230 @@
+/*
+     File: AUCarbonViewControl.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUCarbonViewControl_h__
+#define __AUCarbonViewControl_h__
+
+#include <Carbon/Carbon.h>
+#include <AudioUnit/AudioUnitCarbonView.h>
+#include <AudioToolbox/AudioUnitUtilities.h>
+#include "CarbonEventHandler.h"
+#include "CAAUParameter.h"
+
+class AUCarbonViewBase;
+
+// ____________________________________________________________________________
+//	AUCarbonViewControl
+//	Wrapper for a control that is wired to an AudioUnit parameter.
+	/*! @class AUCarbonViewControl */
+class AUCarbonViewControl : public CarbonEventHandler {
+	// note that the controls are never disposed; that's managed by the AUCarbonViewBase's
+	// parent pane which contains all of them ... if we later need to be able to delete
+	// individual controls on the fly, extra work needed
+public:
+	enum ControlType {
+		kTypeContinuous,	// e.g. slider
+		kTypeDiscrete,		// e.g. pop-up menu
+		kTypeText
+	};
+
+	AUCarbonViewControl(AUCarbonViewBase *ownerView, AUParameterListenerRef listener, ControlType type, const CAAUParameter &param, ControlRef control);
+	~AUCarbonViewControl();
+
+	/*! @method Bind */
+	virtual void		Bind();		// second-stage construction
+
+	/*! @method ControlToParameter */
+	virtual void		ControlToParameter();
+	/*! @method ParameterToControl */
+	virtual void		ParameterToControl(Float32 newValue);
+
+	/*! @method SetValueFract */
+	virtual void		SetValueFract(double value);
+	/*! @method GetValueFract */
+	virtual double		GetValueFract();
+	/*! @method SetTextValue */
+	virtual void		SetTextValue(CFStringRef str);
+	/*! @method GetTextValue */
+	virtual CFStringRef	GetTextValue();
+	/*! @method SetValue */
+	virtual void		SetValue(long value);
+	/*! @method GetValue */
+	virtual long		GetValue();
+
+	/*! @method GetOwnerView */
+	AUCarbonViewBase * GetOwnerView() {return mOwnerView;}
+
+	/*! @method Update */
+	void				Update (bool inUIThread)
+	{
+				if (inUIThread)
+					ParameterToControl (mParam.GetValue());
+				else
+					AUParameterListenerNotify (mListener, this, &mParam);
+	}
+
+
+	// CarbonEventHandler overrides
+	/*! @method HandleEvent */
+	virtual bool		HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event);
+
+	/*! @method ControlRef */
+	operator ControlRef() { return mControl; }
+
+	/*! @method SizeControlToFit */
+	static Boolean SizeControlToFit(ControlRef inControl, SInt16 *outWidth = NULL, SInt16 *outHeight = NULL);
+
+	/*! @method SliderTrackProc */
+	static pascal void SliderTrackProc(ControlRef theControl, ControlPartCode partCode);
+	/*! @method NumericKeyFilterCallback */
+	static pascal ControlKeyFilterResult NumericKeyFilterCallback(ControlRef theControl, SInt16 *keyCode, SInt16 *charCode,
+															EventModifiers *modifiers);
+protected:
+	/*! @method ParamInfo */
+	const AudioUnitParameterInfo &ParamInfo() { return mParam.ParamInfo(); }
+
+	/*! @var mOwnerView */
+	AUCarbonViewBase * 		mOwnerView;
+	/*! @var mListener */
+	AUParameterListenerRef	mListener;
+	/*! @var mType */
+	ControlType				mType;
+	/*! @var mParam */
+	CAAUParameter			mParam;
+
+	/*! @var mControl */
+	ControlRef				mControl;
+
+	/*! @method StdKeyFilterCallback */
+	static pascal ControlKeyFilterResult StdKeyFilterCallback(ControlRef theControl, SInt16 *keyCode,   SInt16 *charCode,
+																										EventModifiers *modifiers);
+	SInt16					mInControlInitialization;
+
+	static AUCarbonViewControl*	mLastControl;
+};
+
+	/*! @class AUPropertyControl */
+class AUPropertyControl : public CarbonEventHandler {
+public:
+	/*! @ctor AUPropertyControl */
+	AUPropertyControl (AUCarbonViewBase * 		inBase) : mControl(0), mView (inBase), mHeight(0) {}
+
+	/*! @method HandleEvent */
+	virtual bool	HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event);
+
+	/*! @method HandlePropertyChange */
+	virtual bool	HandlePropertyChange (const AudioUnitProperty &inProp) = 0;
+
+	/*! @method AddInterest */
+	virtual void	AddInterest (AUEventListenerRef		inListener,
+								void *					inObject) = 0;
+
+	/*! @method RemoveInterest */
+	virtual void	RemoveInterest  (AUEventListenerRef	inListener,
+								void *					inObject) = 0;
+
+	/*! @method GetHeight */
+	int			GetHeight()	{ return mHeight;}
+
+protected:
+	/*! @method HandleControlChange */
+	virtual void	HandleControlChange () = 0;
+
+	/*! @method RegisterEvents */
+			void	RegisterEvents ();
+
+	/*! @method EmbedControl */
+			void	EmbedControl (ControlRef theControl);
+
+	/*! @method GetCarbonWindow */
+	WindowRef 	GetCarbonWindow();
+
+	/*! @var mControl */
+	ControlRef			mControl;
+	/*! @var mView */
+	AUCarbonViewBase*	mView;
+	/*! @var mHeight */
+	SInt16				mHeight;
+};
+
+	/*! @class AUVPresets */
+class AUVPresets : public AUPropertyControl {
+public:
+					/*! @ctor HandleControlChange */
+					AUVPresets (AUCarbonViewBase * 		inBase,
+								CFArrayRef& 			inPresets,
+								Point 					inLocation,
+								int 					nameWidth,
+								int 					controlWidth,
+								ControlFontStyleRec & 	inFontStyle);
+
+					virtual ~AUVPresets () { CFRelease (mPresets); }
+
+	/*! @method HandlePropertyChange */
+	virtual bool	HandlePropertyChange (const AudioUnitProperty &inProp);
+
+	/*! @method AddInterest */
+	virtual void	AddInterest (AUEventListenerRef		inListener,
+								void *					inObject);
+
+	/*! @method RemoveInterest */
+	virtual void	RemoveInterest  (AUEventListenerRef	inListener,
+								void *					inObject);
+
+protected:
+	/*! @method HandleControlChange */
+	virtual void	HandleControlChange ();
+
+	/*! @var mPresets */
+	CFArrayRef			mPresets;
+	/*! @var mView */
+	AUCarbonViewBase*	mView;
+	AudioUnitPropertyID mPropertyID;
+
+	void	HandlePropertyChange(AUPreset &preset);
+};
+
+#endif // __AUCarbonViewControl_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUCarbonViewDispatch.cpp

@@ -0,0 +1,125 @@
+/*
+     File: AUCarbonViewDispatch.cpp
+ Abstract: AUCarbonViewDispatch.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 "AUCarbonViewBase.h"
+
+// ____________________________________________________________________________
+// component dispatch
+
+#if PRAGMA_STRUCT_ALIGN
+	#pragma options align=mac68k
+#elif PRAGMA_STRUCT_PACKPUSH
+	#pragma pack(push, 2)
+#elif PRAGMA_STRUCT_PACK
+	#pragma pack(2)
+#endif
+	struct AudioUnitCarbonViewCreateGluePB {
+		unsigned char                  componentFlags;
+		unsigned char                  componentParamSize;
+		short                          componentWhat;
+		ControlRef*                    outControl;
+		const Float32Point*            inSize;
+		const Float32Point*            inLocation;
+		ControlRef                     inParentControl;
+		WindowRef                      inWindow;
+		AudioUnit                      inAudioUnit;
+		AudioUnitCarbonView            inView;
+	};
+#if !__LP64__
+	struct AudioUnitCarbonViewSetEventListenerGluePB {
+		unsigned char                    componentFlags;
+		unsigned char                    componentParamSize;
+		short                            componentWhat;
+		void*                            inUserData;
+		AudioUnitCarbonViewEventListener inCallback;
+		AudioUnitCarbonView              inView;
+	};
+#endif
+#if PRAGMA_STRUCT_ALIGN
+	#pragma options align=reset
+#elif PRAGMA_STRUCT_PACKPUSH
+	#pragma pack(pop)
+#elif PRAGMA_STRUCT_PACK
+	#pragma pack()
+#endif
+
+#define CheckNull(x) if ((x) == NULL) return paramErr;
+
+OSStatus		AUCarbonViewBase::ComponentEntryDispatch(ComponentParameters *p, AUCarbonViewBase *This)
+{
+	if (This == NULL) return paramErr;
+
+	OSStatus result = noErr;
+
+	switch (p->what) {
+	case kAudioUnitCarbonViewCreateSelect:
+		{
+			AudioUnitCarbonViewCreateGluePB *pb = (AudioUnitCarbonViewCreateGluePB *)p;
+			CheckNull(pb->inAudioUnit);
+			CheckNull(pb->inWindow);
+			CheckNull(pb->inParentControl);
+			CheckNull(pb->inSize);
+			CheckNull(pb->inLocation);
+			CheckNull(pb->outControl);
+			result = This->CreateCarbonView(pb->inAudioUnit, pb->inWindow, pb->inParentControl,
+					*pb->inLocation, *pb->inSize, *pb->outControl);
+		}
+		break;
+#if !__LP64__
+	case kAudioUnitCarbonViewSetEventListenerSelect:
+		{
+			AudioUnitCarbonViewSetEventListenerGluePB *pb = (AudioUnitCarbonViewSetEventListenerGluePB *)p;
+			This->SetEventListener(pb->inCallback, pb->inUserData);
+		}
+		break;
+#endif
+
+	default:
+		result = ComponentBase::ComponentEntryDispatch(p, This);
+		break;
+	}
+	return result;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUDispatch.cpp

@@ -0,0 +1,438 @@
+/*
+     File: AUDispatch.cpp
+ Abstract: AUDispatch.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 "AUBase.h"
+#include "CAXException.h"
+#include "AUDispatch.h"
+
+
+
+#if TARGET_OS_MAC
+	#if __LP64__
+		// comp instance, parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index + 1];
+	#else
+		// parameters in reverse order, then comp instance
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_nparams - 1 - _index];
+	#endif
+#elif TARGET_OS_WIN32
+		// (no comp instance), parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index];
+#endif
+
+
+OSStatus		AUBase::ComponentEntryDispatch(ComponentParameters *params, AUBase *This)
+{
+	if (This == NULL) return kAudio_ParamError;
+
+	OSStatus result = noErr;
+
+	switch (params->what) {
+	case kComponentCanDoSelect:
+		switch (GetSelectorForCanDo(params)) {
+	// any selectors
+			case kAudioUnitInitializeSelect:
+			case kAudioUnitUninitializeSelect:
+			case kAudioUnitGetPropertyInfoSelect:
+			case kAudioUnitGetPropertySelect:
+			case kAudioUnitSetPropertySelect:
+			case kAudioUnitAddPropertyListenerSelect:
+#if (!__LP64__)
+			case kAudioUnitRemovePropertyListenerSelect:
+#endif
+			case kAudioUnitGetParameterSelect:
+			case kAudioUnitSetParameterSelect:
+			case kAudioUnitResetSelect:
+				result = 1;
+				break;
+	// v1 selectors
+
+	// v2 selectors
+			case kAudioUnitRemovePropertyListenerWithUserDataSelect:
+			case kAudioUnitAddRenderNotifySelect:
+			case kAudioUnitRemoveRenderNotifySelect:
+			case kAudioUnitScheduleParametersSelect:
+			case kAudioUnitRenderSelect:
+				result = (This->AudioUnitAPIVersion() > 1);
+				break;
+
+			default:
+				return ComponentBase::ComponentEntryDispatch(params, This);
+		}
+		break;
+
+	case kAudioUnitInitializeSelect:
+	{
+		CAMutex::Locker lock2(This->GetMutex());
+		result = This->DoInitialize();
+	}
+		break;
+
+	case kAudioUnitUninitializeSelect:
+	{
+		CAMutex::Locker lock2(This->GetMutex());
+		This->DoCleanup();
+		result = noErr;
+	}
+		break;
+
+	case kAudioUnitGetPropertyInfoSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitPropertyID, pinID, 0, 5);
+			PARAM(AudioUnitScope, pinScope, 1, 5);
+			PARAM(AudioUnitElement, pinElement, 2, 5);
+			PARAM(UInt32 *, poutDataSize, 3, 5);
+			PARAM(Boolean *, poutWritable, 4, 5);
+
+			// pass our own copies so that we assume responsibility for testing
+			// the caller's pointers against null and our C++ classes can
+			// always assume they're non-null
+			UInt32 dataSize;
+			Boolean writable;
+
+			result = This->DispatchGetPropertyInfo(pinID, pinScope, pinElement, dataSize, writable);
+			if (poutDataSize != NULL)
+				*poutDataSize = dataSize;
+			if (poutWritable != NULL)
+				*poutWritable = writable;
+		}
+		break;
+
+	case kAudioUnitGetPropertySelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitPropertyID, pinID, 0, 5);
+			PARAM(AudioUnitScope, pinScope, 1, 5);
+			PARAM(AudioUnitElement, pinElement, 2, 5);
+			PARAM(void *, poutData, 3, 5);
+			PARAM(UInt32 *, pioDataSize, 4, 5);
+
+			UInt32 actualPropertySize, clientBufferSize;
+			Boolean writable;
+			char *tempBuffer;
+			void *destBuffer;
+
+			if (pioDataSize == NULL) {
+				ca_debug_string("AudioUnitGetProperty: null size pointer");
+				result = kAudio_ParamError;
+				goto finishGetProperty;
+			}
+			if (poutData == NULL) {
+				UInt32 dataSize;
+
+				result = This->DispatchGetPropertyInfo(pinID, pinScope, pinElement, dataSize, writable);
+				*pioDataSize = dataSize;
+				goto finishGetProperty;
+			}
+
+			clientBufferSize = *pioDataSize;
+			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 = This->DispatchGetPropertyInfo(pinID, pinScope, pinElement,
+													actualPropertySize, writable);
+			if (result)
+				goto finishGetProperty;
+
+			if (clientBufferSize < actualPropertySize)
+			{
+				tempBuffer = new char[actualPropertySize];
+				destBuffer = tempBuffer;
+			} else {
+				tempBuffer = NULL;
+				destBuffer = poutData;
+			}
+
+			result = This->DispatchGetProperty(pinID, pinScope, pinElement, destBuffer);
+
+			if (result == noErr) {
+				if (clientBufferSize < actualPropertySize && tempBuffer != NULL)
+				{
+					memcpy(poutData, tempBuffer, clientBufferSize);
+					delete[] tempBuffer;
+					// pioDataSize remains correct, the number of bytes we wrote
+				} else
+					*pioDataSize = actualPropertySize;
+			} else
+				*pioDataSize = 0;
+
+			finishGetProperty:
+				;
+
+		}
+		break;
+
+	case kAudioUnitSetPropertySelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitPropertyID, pinID, 0, 5);
+			PARAM(AudioUnitScope, pinScope, 1, 5);
+			PARAM(AudioUnitElement, pinElement, 2, 5);
+			PARAM(const void *, pinData, 3, 5);
+			PARAM(UInt32, pinDataSize, 4, 5);
+
+			if (pinData && pinDataSize)
+				result = This->DispatchSetProperty(pinID, pinScope, pinElement, pinData, pinDataSize);
+			else {
+				if (pinData == NULL && pinDataSize == 0) {
+					result = This->DispatchRemovePropertyValue (pinID, pinScope, pinElement);
+				} else {
+					if (pinData == NULL) {
+						ca_debug_string("AudioUnitSetProperty: inData == NULL");
+						result = kAudio_ParamError;
+						goto finishSetProperty;
+					}
+
+					if (pinDataSize == 0) {
+						ca_debug_string("AudioUnitSetProperty: inDataSize == 0");
+						result = kAudio_ParamError;
+						goto finishSetProperty;
+					}
+				}
+			}
+			finishSetProperty:
+					;
+
+		}
+		break;
+
+	case kAudioUnitAddPropertyListenerSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitPropertyID, pinID, 0, 3);
+			PARAM(AudioUnitPropertyListenerProc, pinProc, 1, 3);
+			PARAM(void *, pinProcRefCon, 2, 3);
+			result = This->AddPropertyListener(pinID, pinProc, pinProcRefCon);
+		}
+		break;
+
+#if (!__LP64__)
+	case kAudioUnitRemovePropertyListenerSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitPropertyID, pinID, 0, 2);
+			PARAM(AudioUnitPropertyListenerProc, pinProc, 1, 2);
+			result = This->RemovePropertyListener(pinID, pinProc, NULL, false);
+		}
+		break;
+#endif
+
+	case kAudioUnitRemovePropertyListenerWithUserDataSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitPropertyID, pinID, 0, 3);
+			PARAM(AudioUnitPropertyListenerProc, pinProc, 1, 3);
+			PARAM(void *, pinProcRefCon, 2, 3);
+			result = This->RemovePropertyListener(pinID, pinProc, pinProcRefCon, true);
+		}
+		break;
+
+	case kAudioUnitAddRenderNotifySelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AURenderCallback, pinProc, 0, 2);
+			PARAM(void *, pinProcRefCon, 1, 2);
+			result = This->SetRenderNotification (pinProc, pinProcRefCon);
+		}
+		break;
+
+	case kAudioUnitRemoveRenderNotifySelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AURenderCallback, pinProc, 0, 2);
+			PARAM(void *, pinProcRefCon, 1, 2);
+			result = This->RemoveRenderNotification (pinProc, pinProcRefCon);
+		}
+		break;
+
+	case kAudioUnitGetParameterSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitParameterID, pinID, 0, 4);
+			PARAM(AudioUnitScope, pinScope, 1, 4);
+			PARAM(AudioUnitElement, pinElement, 2, 4);
+			PARAM(AudioUnitParameterValue *, poutValue, 3, 4);
+			result = (poutValue == NULL ? kAudio_ParamError : This->GetParameter(pinID, pinScope, pinElement, *poutValue));
+		}
+		break;
+
+	case kAudioUnitSetParameterSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex()); // is this realtime or no???
+			PARAM(AudioUnitParameterID, pinID, 0, 5);
+			PARAM(AudioUnitScope, pinScope, 1, 5);
+			PARAM(AudioUnitElement, pinElement, 2, 5);
+			PARAM(AudioUnitParameterValue, pinValue, 3, 5);
+			PARAM(UInt32, pinBufferOffsetInFrames, 4, 5);
+			result = This->SetParameter(pinID, pinScope, pinElement, pinValue, pinBufferOffsetInFrames);
+		}
+		break;
+
+	case kAudioUnitScheduleParametersSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex()); // is this realtime or no???
+			if (This->AudioUnitAPIVersion() > 1)
+			{
+				PARAM(AudioUnitParameterEvent *, pinParameterEvent, 0, 2);
+				PARAM(UInt32, pinNumParamEvents, 1, 2);
+				result = This->ScheduleParameter (pinParameterEvent, pinNumParamEvents);
+			} else
+				result = badComponentSelector;
+		}
+		break;
+
+
+	case kAudioUnitRenderSelect:
+		{
+			// realtime; no lock
+			{
+				PARAM(AudioUnitRenderActionFlags *, pinActionFlags, 0, 5);
+				PARAM(const AudioTimeStamp *, pinTimeStamp, 1, 5);
+				PARAM(UInt32, pinOutputBusNumber, 2, 5);
+				PARAM(UInt32, pinNumberFrames, 3, 5);
+				PARAM(AudioBufferList *, pioData, 4, 5);
+				AudioUnitRenderActionFlags tempFlags;
+
+				if (pinTimeStamp == NULL || pioData == NULL)
+					result = kAudio_ParamError;
+				else {
+					if (pinActionFlags == NULL) {
+						tempFlags = 0;
+						pinActionFlags = &tempFlags;
+					}
+					result = This->DoRender(*pinActionFlags, *pinTimeStamp, pinOutputBusNumber, pinNumberFrames, *pioData);
+				}
+			}
+		}
+		break;
+
+	case kAudioUnitResetSelect:
+		{
+			CAMutex::Locker lock(This->GetMutex());
+			PARAM(AudioUnitScope, pinScope, 0, 2);
+			PARAM(AudioUnitElement, pinElement, 1, 2);
+			This->ResetRenderTime();
+			result = This->Reset(pinScope, pinElement);
+		}
+		break;
+
+	default:
+		result = ComponentBase::ComponentEntryDispatch(params, This);
+		break;
+	}
+
+	return result;
+}
+
+// Fast dispatch entry points -- these need to replicate all error-checking logic from above
+
+OSStatus CMgr_AudioUnitBaseGetParameter(	AUBase *				This,
+											AudioUnitParameterID	inID,
+											AudioUnitScope			inScope,
+											AudioUnitElement		inElement,
+											float					*outValue)
+{
+	OSStatus result = AUBase::noErr;
+
+	try {
+		if (This == NULL || outValue == NULL) return kAudio_ParamError;
+		result = This->GetParameter(inID, inScope, inElement, *outValue);
+	}
+	COMPONENT_CATCH
+
+	return result;
+}
+
+OSStatus CMgr_AudioUnitBaseSetParameter(	AUBase * 				This,
+											AudioUnitParameterID	inID,
+											AudioUnitScope			inScope,
+											AudioUnitElement		inElement,
+											float					inValue,
+											UInt32					inBufferOffset)
+{
+	OSStatus result = AUBase::noErr;
+
+	try {
+		if (This == NULL) return kAudio_ParamError;
+		result = This->SetParameter(inID, inScope, inElement, inValue, inBufferOffset);
+	}
+	COMPONENT_CATCH
+
+	return result;
+}
+
+OSStatus CMgr_AudioUnitBaseRender(			AUBase *				This,
+											AudioUnitRenderActionFlags *ioActionFlags,
+											const AudioTimeStamp *	inTimeStamp,
+											UInt32					inBusNumber,
+											UInt32					inNumberFrames,
+											AudioBufferList *		ioData)
+{
+	if (inTimeStamp == NULL || ioData == NULL) return kAudio_ParamError;
+
+	OSStatus result = AUBase::noErr;
+	AudioUnitRenderActionFlags tempFlags;
+
+	try {
+		if (ioActionFlags == NULL) {
+			tempFlags = 0;
+			ioActionFlags = &tempFlags;
+		}
+		result = This->DoRender(*ioActionFlags, *inTimeStamp, inBusNumber, inNumberFrames, *ioData);
+	}
+	COMPONENT_CATCH
+
+	return result;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUDispatch.h

@@ -0,0 +1,82 @@
+/*
+     File: AUDispatch.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUDispatch_h__
+#define __AUDispatch_h__
+
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <AudioUnit/AudioUnit.h>
+#else
+	#include "AudioUnit.h"
+#endif
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+/*! @function AudioUnitBaseGetParameter */
+OSStatus CMgr_AudioUnitBaseGetParameter(	AUBase *				This,
+											AudioUnitParameterID	inID,
+											AudioUnitScope			inScope,
+											AudioUnitElement		inElement,
+											float *					outValue);
+
+/*! @function AudioUnitBaseSetParameter */
+OSStatus CMgr_AudioUnitBaseSetParameter(	AUBase *		 		This,
+											AudioUnitParameterID	inID,
+											AudioUnitScope			inScope,
+											AudioUnitElement		inElement,
+											float					inValue,
+											UInt32					inBufferOffset);
+
+/*! @function AudioUnitBaseRender */
+OSStatus CMgr_AudioUnitBaseRender(			AUBase *				This,
+											AudioUnitRenderActionFlags *ioActionFlags,
+											const AudioTimeStamp *	inTimeStamp,
+											UInt32					inBusNumber,
+											UInt32					inNumberFrames,
+											AudioBufferList *		ioData);
+#endif
+
+#endif // __AUDispatch_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUEffectBase.cpp

@@ -0,0 +1,465 @@
+/*
+     File: AUEffectBase.cpp
+ Abstract: AUEffectBase.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 "AUEffectBase.h"
+
+/*
+	This class does not deal as well as it should with N-M effects...
+
+	The problem areas are (if the channels don't match):
+		ProcessInPlace if the channels don't match - there will be problems if InputChan != OutputChan
+		Bypass - its just passing the buffers through when not processing them
+
+	This will be fixed in a future update...
+*/
+
+//_____________________________________________________________________________
+//
+AUEffectBase::AUEffectBase(	AudioComponentInstance	audioUnit,
+							bool					inProcessesInPlace ) :
+	AUBase(audioUnit, 1, 1),		// 1 in bus, 1 out bus
+	mBypassEffect(false),
+	mParamSRDep (false),
+	mProcessesInPlace(inProcessesInPlace),
+	mMainOutput(NULL), mMainInput(NULL)
+#if TARGET_OS_IPHONE
+	, mOnlyOneKernel(false)
+#endif
+{
+}
+
+//_____________________________________________________________________________
+//
+AUEffectBase::~AUEffectBase()
+{
+	Cleanup();
+}
+
+//_____________________________________________________________________________
+//
+void AUEffectBase::Cleanup()
+{
+	for (KernelList::iterator it = mKernelList.begin(); it != mKernelList.end(); ++it)
+		delete *it;
+
+	mKernelList.clear();
+	mMainOutput = NULL;
+	mMainInput = NULL;
+}
+
+
+//_____________________________________________________________________________
+//
+OSStatus AUEffectBase::Initialize()
+{
+		// get our current numChannels for input and output
+	SInt16 auNumInputs = (SInt16) GetInput(0)->GetStreamFormat().mChannelsPerFrame;
+	SInt16 auNumOutputs = (SInt16) GetOutput(0)->GetStreamFormat().mChannelsPerFrame;
+
+		// does the unit publish specific information about channel configurations?
+    const AUChannelInfo *auChannelConfigs = NULL;
+    UInt32 numIOconfigs = SupportedNumChannels(&auChannelConfigs);
+
+    if ((numIOconfigs > 0) && (auChannelConfigs != NULL))
+    {
+        bool foundMatch = false;
+        for (UInt32 i = 0; (i < numIOconfigs) && !foundMatch; ++i)
+        {
+            SInt16 configNumInputs = auChannelConfigs[i].inChannels;
+            SInt16 configNumOutputs = auChannelConfigs[i].outChannels;
+            if ((configNumInputs < 0) && (configNumOutputs < 0))
+            {
+					// unit accepts any number of channels on input and output
+                if (((configNumInputs == -1) && (configNumOutputs == -2))
+					|| ((configNumInputs == -2) && (configNumOutputs == -1)))
+                {
+				    foundMatch = true;
+					// unit accepts any number of channels on input and output IFF they are the same number on both scopes
+                }
+				else if (((configNumInputs == -1) && (configNumOutputs == -1)) && (auNumInputs == auNumOutputs))
+                {
+				    foundMatch = true;
+					// unit has specified a particular number of channels on both scopes
+                }
+				else
+                    continue;
+            }
+            else
+            {
+					// the -1 case on either scope is saying that the unit doesn't care about the
+					// number of channels on that scope
+                bool inputMatch = (auNumInputs == configNumInputs) || (configNumInputs == -1);
+                bool outputMatch = (auNumOutputs == configNumOutputs) || (configNumOutputs == -1);
+                if (inputMatch && outputMatch)
+                    foundMatch = true;
+            }
+        }
+        if (!foundMatch)
+            return kAudioUnitErr_FormatNotSupported;
+    }
+    else
+    {
+			// there is no specifically published channel info
+			// so for those kinds of effects, the assumption is that the channels (whatever their number)
+			// should match on both scopes
+        if ((auNumOutputs != auNumInputs) || (auNumOutputs == 0))
+		{
+		    return kAudioUnitErr_FormatNotSupported;
+		}
+    }
+
+    MaintainKernels();
+
+	mMainOutput = GetOutput(0);
+	mMainInput = GetInput(0);
+
+	const CAStreamBasicDescription& format = GetStreamFormat(kAudioUnitScope_Output, 0);
+	format.IdentifyCommonPCMFormat(mCommonPCMFormat, NULL);
+	mBytesPerFrame = format.mBytesPerFrame;
+
+    return noErr;
+}
+
+OSStatus			AUEffectBase::Reset(		AudioUnitScope 		inScope,
+								 				AudioUnitElement 	inElement)
+{
+	for (KernelList::iterator it = mKernelList.begin(); it != mKernelList.end(); ++it) {
+		AUKernelBase *kernel = *it;
+		if (kernel != NULL)
+			kernel->Reset();
+	}
+
+	return AUBase::Reset(inScope, inElement);
+}
+
+OSStatus			AUEffectBase::GetPropertyInfo (AudioUnitPropertyID	inID,
+												AudioUnitScope					inScope,
+												AudioUnitElement				inElement,
+												UInt32 &						outDataSize,
+												Boolean &						outWritable)
+{
+	if (inScope == kAudioUnitScope_Global) {
+		switch (inID) {
+			case kAudioUnitProperty_BypassEffect:
+				outWritable = true;
+				outDataSize = sizeof (UInt32);
+				return noErr;
+			case kAudioUnitProperty_InPlaceProcessing:
+				outWritable = true;
+				outDataSize = sizeof (UInt32);
+				return noErr;
+		}
+	}
+	return AUBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+}
+
+
+OSStatus			AUEffectBase::GetProperty (AudioUnitPropertyID 		inID,
+									  AudioUnitScope 					inScope,
+									  AudioUnitElement			 		inElement,
+									  void *							outData)
+{
+	if (inScope == kAudioUnitScope_Global) {
+		switch (inID) {
+			case kAudioUnitProperty_BypassEffect:
+				*((UInt32*)outData) = (IsBypassEffect() ? 1 : 0);
+				return noErr;
+			case kAudioUnitProperty_InPlaceProcessing:
+				*((UInt32*)outData) = (mProcessesInPlace ? 1 : 0);
+				return noErr;
+		}
+	}
+	return AUBase::GetProperty (inID, inScope, inElement, outData);
+}
+
+
+OSStatus			AUEffectBase::SetProperty(		AudioUnitPropertyID inID,
+									   AudioUnitScope 		inScope,
+									   AudioUnitElement 	inElement,
+									   const void *			inData,
+									   UInt32 				inDataSize)
+{
+	if (inScope == kAudioUnitScope_Global) {
+		switch (inID) {
+			case kAudioUnitProperty_BypassEffect:
+			{
+				if (inDataSize < sizeof(UInt32))
+					return kAudioUnitErr_InvalidPropertyValue;
+
+				bool tempNewSetting = *((UInt32*)inData) != 0;
+					// we're changing the state of bypass
+				if (tempNewSetting != IsBypassEffect())
+				{
+					if (!tempNewSetting && IsBypassEffect() && IsInitialized()) // turning bypass off and we're initialized
+						Reset(0, 0);
+					SetBypassEffect (tempNewSetting);
+				}
+				return noErr;
+			}
+			case kAudioUnitProperty_InPlaceProcessing:
+				mProcessesInPlace = (*((UInt32*)inData) != 0);
+				return noErr;
+		}
+	}
+	return AUBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
+}
+
+
+void	AUEffectBase::MaintainKernels()
+{
+#if TARGET_OS_IPHONE
+	UInt32 nKernels = mOnlyOneKernel ? 1 : GetNumberOfChannels();
+#else
+	UInt32 nKernels = GetNumberOfChannels();
+#endif
+
+	if (mKernelList.size() < nKernels) {
+		mKernelList.reserve(nKernels);
+		for (UInt32 i = (UInt32)mKernelList.size(); i < nKernels; ++i)
+			mKernelList.push_back(NewKernel());
+	} else {
+		while (mKernelList.size() > nKernels) {
+			AUKernelBase *kernel = mKernelList.back();
+			delete kernel;
+			mKernelList.pop_back();
+		}
+	}
+
+	for(unsigned int i = 0; i < nKernels; i++ )
+	{
+		if(mKernelList[i]) {
+			mKernelList[i]->SetChannelNum (i);
+		}
+	}
+}
+
+bool		AUEffectBase::StreamFormatWritable(	AudioUnitScope					scope,
+												AudioUnitElement				element)
+{
+	return IsInitialized() ? false : true;
+}
+
+OSStatus			AUEffectBase::ChangeStreamFormat(	AudioUnitScope				inScope,
+														AudioUnitElement			inElement,
+														const CAStreamBasicDescription & inPrevFormat,
+														const CAStreamBasicDescription & inNewFormat)
+{
+	OSStatus result = AUBase::ChangeStreamFormat(inScope, inElement, inPrevFormat, inNewFormat);
+	if (result == noErr)
+	{
+		// for the moment this only dependency we know about
+		// where a parameter's range may change is with the sample rate
+		// and effects are only publishing parameters in the global scope!
+		if (GetParamHasSampleRateDependency() && fnotequal(inPrevFormat.mSampleRate, inNewFormat.mSampleRate))
+			PropertyChanged(kAudioUnitProperty_ParameterList, kAudioUnitScope_Global, 0);
+	}
+
+	return result;
+}
+
+
+// ____________________________________________________________________________
+//
+//	This method is called (potentially repeatedly) by ProcessForScheduledParams()
+//	in order to perform the actual DSP required for this portion of the entire buffer
+//	being processed.  The entire buffer can be divided up into smaller "slices"
+//	according to the timestamps on the scheduled parameters...
+//
+OSStatus		AUEffectBase::ProcessScheduledSlice(	void				*inUserData,
+														UInt32				inStartFrameInBuffer,
+														UInt32				inSliceFramesToProcess,
+														UInt32				inTotalBufferFrames )
+{
+	ScheduledProcessParams	&sliceParams = *((ScheduledProcessParams*)inUserData);
+
+	AudioUnitRenderActionFlags 	&actionFlags = *sliceParams.actionFlags;
+	AudioBufferList 			&inputBufferList = *sliceParams.inputBufferList;
+	AudioBufferList 			&outputBufferList = *sliceParams.outputBufferList;
+
+	UInt32 channelSize = inSliceFramesToProcess * mBytesPerFrame;
+		// fix the size of the buffer we're operating on before we render this slice of time
+	for(unsigned int i = 0; i < inputBufferList.mNumberBuffers; i++ ) {
+		inputBufferList.mBuffers[i].mDataByteSize = inputBufferList.mBuffers[i].mNumberChannels * channelSize;
+	}
+
+	for(unsigned int i = 0; i < outputBufferList.mNumberBuffers; i++ ) {
+		outputBufferList.mBuffers[i].mDataByteSize = outputBufferList.mBuffers[i].mNumberChannels * channelSize;
+	}
+		// process the buffer
+	OSStatus result = ProcessBufferLists(actionFlags, inputBufferList, outputBufferList, inSliceFramesToProcess );
+
+		// we just partially processed the buffers, so increment the data pointers to the next part of the buffer to process
+	for(unsigned int i = 0; i < inputBufferList.mNumberBuffers; i++ ) {
+		inputBufferList.mBuffers[i].mData =
+			(char *)inputBufferList.mBuffers[i].mData + inputBufferList.mBuffers[i].mNumberChannels * channelSize;
+	}
+
+	for(unsigned int i = 0; i < outputBufferList.mNumberBuffers; i++ ) {
+		outputBufferList.mBuffers[i].mData =
+			(char *)outputBufferList.mBuffers[i].mData + outputBufferList.mBuffers[i].mNumberChannels * channelSize;
+	}
+
+	return result;
+}
+
+// ____________________________________________________________________________
+//
+
+OSStatus 	AUEffectBase::Render(	AudioUnitRenderActionFlags &ioActionFlags,
+											const AudioTimeStamp &		inTimeStamp,
+											UInt32						nFrames)
+{
+	if (!HasInput(0))
+		return kAudioUnitErr_NoConnection;
+
+	OSStatus result = noErr;
+
+	result = mMainInput->PullInput(ioActionFlags, inTimeStamp, 0 /* element */, nFrames);
+
+	if (result == noErr)
+	{
+		if(ProcessesInPlace() && mMainOutput->WillAllocateBuffer())
+		{
+			mMainOutput->SetBufferList(mMainInput->GetBufferList() );
+		}
+
+		if (ShouldBypassEffect())
+		{
+			// leave silence bit alone
+
+			if(!ProcessesInPlace() )
+			{
+				mMainInput->CopyBufferContentsTo (mMainOutput->GetBufferList());
+			}
+		}
+		else
+		{
+			if(mParamList.size() == 0 )
+			{
+				// this will read/write silence bit
+				result = ProcessBufferLists(ioActionFlags, mMainInput->GetBufferList(), mMainOutput->GetBufferList(), nFrames);
+			}
+			else
+			{
+				// deal with scheduled parameters...
+
+				AudioBufferList &inputBufferList = mMainInput->GetBufferList();
+				AudioBufferList &outputBufferList = mMainOutput->GetBufferList();
+
+				ScheduledProcessParams processParams;
+				processParams.actionFlags = &ioActionFlags;
+				processParams.inputBufferList = &inputBufferList;
+				processParams.outputBufferList = &outputBufferList;
+
+				// divide up the buffer into slices according to scheduled params then
+				// do the DSP for each slice (ProcessScheduledSlice() called for each slice)
+				result = ProcessForScheduledParams(	mParamList,
+													nFrames,
+													&processParams );
+
+
+				// fixup the buffer pointers to how they were before we started
+				UInt32 channelSize = nFrames * mBytesPerFrame;
+				for(unsigned int i = 0; i < inputBufferList.mNumberBuffers; i++ ) {
+					UInt32 size = inputBufferList.mBuffers[i].mNumberChannels * channelSize;
+					inputBufferList.mBuffers[i].mData = (char *)inputBufferList.mBuffers[i].mData - size;
+					inputBufferList.mBuffers[i].mDataByteSize = size;
+				}
+
+				for(unsigned int i = 0; i < outputBufferList.mNumberBuffers; i++ ) {
+					UInt32 size = outputBufferList.mBuffers[i].mNumberChannels * channelSize;
+					outputBufferList.mBuffers[i].mData = (char *)outputBufferList.mBuffers[i].mData - size;
+					outputBufferList.mBuffers[i].mDataByteSize = size;
+				}
+			}
+		}
+
+		if ( (ioActionFlags & kAudioUnitRenderAction_OutputIsSilence) && !ProcessesInPlace() )
+		{
+			AUBufferList::ZeroBuffer(mMainOutput->GetBufferList() );
+		}
+	}
+
+	return result;
+}
+
+
+OSStatus	AUEffectBase::ProcessBufferLists(
+									AudioUnitRenderActionFlags &	ioActionFlags,
+									const AudioBufferList &			inBuffer,
+									AudioBufferList &				outBuffer,
+									UInt32							inFramesToProcess )
+{
+	if (ShouldBypassEffect())
+		return noErr;
+
+	// interleaved (or mono)
+	switch (mCommonPCMFormat) {
+		case CAStreamBasicDescription::kPCMFormatFloat32 :
+			ProcessBufferListsT<Float32>(ioActionFlags, inBuffer, outBuffer, inFramesToProcess);
+			break;
+		case CAStreamBasicDescription::kPCMFormatFixed824 :
+			ProcessBufferListsT<SInt32>(ioActionFlags, inBuffer, outBuffer, inFramesToProcess);
+			break;
+		case CAStreamBasicDescription::kPCMFormatInt16 :
+			ProcessBufferListsT<SInt16>(ioActionFlags, inBuffer, outBuffer, inFramesToProcess);
+			break;
+		default :
+			throw CAException(kAudio_UnimplementedError);
+	}
+
+	return noErr;
+}
+
+Float64		AUEffectBase::GetSampleRate()
+{
+	return GetOutput(0)->GetStreamFormat().mSampleRate;
+}
+
+UInt32		AUEffectBase::GetNumberOfChannels()
+{
+	return GetOutput(0)->GetStreamFormat().mChannelsPerFrame;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUEffectBase.h

@@ -0,0 +1,377 @@
+/*
+     File: AUEffectBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUEffectBase_h__
+#define __AUEffectBase_h__
+
+#include "AUBase.h"
+#include "AUSilentTimeout.h"
+#include "CAException.h"
+
+class AUKernelBase;
+
+//	Base class for an effect with one input stream, one output stream,
+//	any number of channels.
+	/*! @class AUEffectBase */
+class AUEffectBase : public AUBase {
+public:
+	/*! @ctor AUEffectBase */
+								AUEffectBase(	AudioComponentInstance		audioUnit,
+												bool						inProcessesInPlace = true );
+	/*! @dtor ~AUEffectBase */
+								~AUEffectBase();
+
+	/*! @method Initialize */
+	virtual OSStatus			Initialize();
+
+	/*! @method Cleanup */
+	virtual void				Cleanup();
+
+
+	/*! @method Reset */
+	virtual OSStatus			Reset(		AudioUnitScope 				inScope,
+											AudioUnitElement 			inElement);
+
+	/*! @method GetPropertyInfo */
+	virtual OSStatus			GetPropertyInfo (AudioUnitPropertyID	inID,
+											AudioUnitScope				inScope,
+											AudioUnitElement			inElement,
+											UInt32 &					outDataSize,
+											Boolean &					outWritable);
+
+	/*! @method GetProperty */
+	virtual OSStatus			GetProperty (AudioUnitPropertyID 		inID,
+											AudioUnitScope 				inScope,
+											AudioUnitElement	 		inElement,
+											void *						outData);
+
+	/*! @method SetProperty */
+	virtual OSStatus			SetProperty(AudioUnitPropertyID 		inID,
+											AudioUnitScope 				inScope,
+											AudioUnitElement 			inElement,
+											const void *				inData,
+											UInt32 						inDataSize);
+
+	/*! @method StreamFormatWritable */
+	virtual bool				StreamFormatWritable (AudioUnitScope	scope,
+											AudioUnitElement			element);
+
+	/*! @method ChangeStreamFormat */
+	virtual	OSStatus			ChangeStreamFormat (
+										AudioUnitScope						inScope,
+										AudioUnitElement					inElement,
+										const CAStreamBasicDescription & 	inPrevFormat,
+										const CAStreamBasicDescription &	inNewFormat);
+
+	/*! @method Render */
+	virtual OSStatus 	Render(AudioUnitRenderActionFlags &		ioActionFlags,
+										const AudioTimeStamp &			inTimeStamp,
+										UInt32							inNumberFrames);
+
+	// our virtual methods
+
+	// If your unit processes N to N channels, and there are no interactions between channels,
+	// it can override NewKernel to create a mono processing object per channel.  Otherwise,
+	// don't override NewKernel, and instead, override ProcessBufferLists.
+	/*! @method NewKernel */
+	virtual AUKernelBase *		NewKernel() { return NULL; }
+
+	/*! @method ProcessBufferLists */
+	virtual OSStatus			ProcessBufferLists(
+											AudioUnitRenderActionFlags &	ioActionFlags,
+											const AudioBufferList &			inBuffer,
+											AudioBufferList &				outBuffer,
+											UInt32							inFramesToProcess );
+
+	// convenience format accessors (use output 0's format)
+	/*! @method GetSampleRate */
+	Float64						GetSampleRate();
+
+	/*! @method GetNumberOfChannels */
+	UInt32						GetNumberOfChannels();
+
+	// convenience wrappers for accessing parameters in the global scope
+	/*! @method SetParameter */
+	using AUBase::SetParameter;
+	void						SetParameter(			AudioUnitParameterID			paramID,
+														AudioUnitParameterValue			value)
+								{
+									Globals()->SetParameter(paramID, value);
+								}
+
+	/*! @method GetParameter */
+	using AUBase::GetParameter;
+	AudioUnitParameterValue		GetParameter(			AudioUnitParameterID			paramID )
+								{
+									return Globals()->GetParameter(paramID );
+								}
+
+	/*! @method CanScheduleParameters */
+	virtual bool				CanScheduleParameters() const { return true; }
+
+	/*! @method IsBypassEffect */
+	// This is used for the property value - to reflect to the UI if an effect is bypassed
+	bool						IsBypassEffect () { return mBypassEffect; }
+
+protected:
+
+	/*! @method MaintainKernels */
+	void						MaintainKernels();
+
+	/*! @method ShouldBypassEffect */
+	// This is used in the render call to see if an effect is bypassed
+	// It can return a different status than IsBypassEffect (though it MUST take that into account)
+	virtual	bool				ShouldBypassEffect () { return IsBypassEffect(); }
+
+public:
+	/*! @method SetBypassEffect */
+	virtual void				SetBypassEffect (bool inFlag) { mBypassEffect = inFlag; }
+
+	/*! @method SetParamHasSampleRateDependency */
+	void						SetParamHasSampleRateDependency (bool inFlag)
+								{
+									mParamSRDep = inFlag;
+								}
+
+	/*! @method GetParamHasSampleRateDependency */
+	bool						GetParamHasSampleRateDependency () const { return mParamSRDep; }
+
+	struct ScheduledProcessParams	// pointer passed in as void* userData param for ProcessScheduledSlice()
+	{
+		AudioUnitRenderActionFlags 	*actionFlags;
+		AudioBufferList 			*inputBufferList;
+		AudioBufferList 			*outputBufferList;
+	};
+
+	virtual OSStatus			ProcessScheduledSlice(	void				*inUserData,
+														UInt32				inStartFrameInBuffer,
+														UInt32				inSliceFramesToProcess,
+														UInt32				inTotalBufferFrames );
+
+
+	bool							ProcessesInPlace() const {return mProcessesInPlace;};
+	void							SetProcessesInPlace(bool inProcessesInPlace) {mProcessesInPlace = inProcessesInPlace;};
+
+	typedef std::vector<AUKernelBase *> KernelList;
+
+
+
+protected:
+	/*! @var mKernelList */
+	KernelList						mKernelList;
+
+	AUKernelBase* GetKernel(UInt32 index) { return mKernelList[index]; }
+
+	/*! @method IsInputSilent */
+	bool 							IsInputSilent (AudioUnitRenderActionFlags 	inActionFlags, UInt32 inFramesToProcess)
+									{
+										bool inputSilent = (inActionFlags & kAudioUnitRenderAction_OutputIsSilence) != 0;
+
+										// take latency and tail time into account when propagating the silent bit
+										UInt32 silentTimeoutFrames = UInt32(GetSampleRate() * (GetLatency() + GetTailTime()));
+										mSilentTimeout.Process (inFramesToProcess, silentTimeoutFrames, inputSilent);
+										return inputSilent;
+									}
+
+#if TARGET_OS_IPHONE
+	void SetOnlyOneKernel(bool inUseOnlyOneKernel) { mOnlyOneKernel = inUseOnlyOneKernel; } // set in ctor of subclass that wants it.
+#endif
+
+	template <typename T>
+	void	ProcessBufferListsT(
+										AudioUnitRenderActionFlags &	ioActionFlags,
+										const AudioBufferList &			inBuffer,
+										AudioBufferList &				outBuffer,
+										UInt32							inFramesToProcess );
+
+	CAStreamBasicDescription::CommonPCMFormat GetCommonPCMFormat() const { return mCommonPCMFormat; }
+
+
+private:
+	/*! @var mBypassEffect */
+	bool							mBypassEffect;
+	/*! @var mParamSRDep */
+	bool							mParamSRDep;
+
+	/*! @var mProcessesInplace */
+	bool							mProcessesInPlace;
+
+	/*! @var mSilentTimeout */
+	AUSilentTimeout					mSilentTimeout;
+
+	/*! @var mMainOutput */
+	AUOutputElement *				mMainOutput;
+
+	/*! @var mMainInput */
+	AUInputElement *				mMainInput;
+
+#if TARGET_OS_IPHONE
+	/*! @var mOnlyOneKernel */
+	bool							mOnlyOneKernel;
+#endif
+
+	/*! @var mCommonPCMFormat */
+	CAStreamBasicDescription::CommonPCMFormat		mCommonPCMFormat;
+	UInt32							mBytesPerFrame;
+};
+
+
+//	Base class for a "kernel", an object that performs DSP on one channel of an interleaved stream.
+	/*! @class AUKernelBase */
+class AUKernelBase {
+public:
+	/*! @ctor AUKernelBase */
+								AUKernelBase(AUEffectBase *inAudioUnit ) :
+									mAudioUnit(inAudioUnit) { }
+
+	/*! @dtor ~AUKernelBase */
+	virtual						~AUKernelBase() { }
+
+	/*! @method Reset */
+	virtual void				Reset() { }
+
+	/*! @method Process */
+	virtual void 				Process(	const Float32 *						inSourceP,
+											Float32 *							inDestP,
+											UInt32								inFramesToProcess,
+											UInt32								inNumChannels,
+											bool &								ioSilence) { throw CAException(kAudio_UnimplementedError ); }
+
+	/*! @method Process */
+	virtual void 				Process(	const SInt32 *						inSourceP,
+											SInt32 *							inDestP,
+											UInt32								inFramesToProcess,
+											UInt32								inNumChannels,
+											bool &								ioSilence) { throw CAException(kAudio_UnimplementedError ); }
+
+	/*! @method Process */
+	virtual void 				Process(	const SInt16 *						inSourceP,
+											SInt16 *							inDestP,
+											UInt32								inFramesToProcess,
+											UInt32								inNumChannels,
+											bool &								ioSilence) { throw CAException(kAudio_UnimplementedError ); }
+
+	/*! @method GetSampleRate */
+	Float64						GetSampleRate()
+								{
+									return mAudioUnit->GetSampleRate();
+								}
+
+	/*! @method GetParameter */
+	AudioUnitParameterValue		GetParameter (AudioUnitParameterID	paramID)
+								{
+									return mAudioUnit->GetParameter(paramID);
+								}
+
+	void						SetChannelNum (UInt32 inChan) { mChannelNum = inChan; }
+	UInt32						GetChannelNum () { return mChannelNum; }
+
+protected:
+	/*! @var mAudioUnit */
+	AUEffectBase * 		mAudioUnit;
+	UInt32				mChannelNum;
+
+};
+
+template <typename T>
+void	AUEffectBase::ProcessBufferListsT(
+									AudioUnitRenderActionFlags &	ioActionFlags,
+									const AudioBufferList &			inBuffer,
+									AudioBufferList &				outBuffer,
+									UInt32							inFramesToProcess )
+{
+	bool ioSilence;
+
+	bool silentInput = IsInputSilent (ioActionFlags, inFramesToProcess);
+	ioActionFlags |= kAudioUnitRenderAction_OutputIsSilence;
+
+	// call the kernels to handle either interleaved or deinterleaved
+	if (inBuffer.mNumberBuffers == 1) {
+		if (inBuffer.mBuffers[0].mNumberChannels == 0)
+			throw CAException(kAudio_ParamError);
+
+		for (UInt32 channel = 0; channel < mKernelList.size(); ++channel) {
+			AUKernelBase *kernel = mKernelList[channel];
+
+			if (kernel == NULL) continue;
+			ioSilence = silentInput;
+
+			// process each interleaved channel individually
+			kernel->Process(
+				(const T *)inBuffer.mBuffers[0].mData + channel,
+				(T *)outBuffer.mBuffers[0].mData + channel,
+				inFramesToProcess,
+				inBuffer.mBuffers[0].mNumberChannels,
+				ioSilence);
+
+			if (!ioSilence)
+				ioActionFlags &= ~kAudioUnitRenderAction_OutputIsSilence;
+		}
+	} else {
+		for (UInt32 channel = 0; channel < mKernelList.size(); ++channel) {
+			AUKernelBase *kernel = mKernelList[channel];
+
+			if (kernel == NULL) continue;
+
+			ioSilence = silentInput;
+			const AudioBuffer *srcBuffer = &inBuffer.mBuffers[channel];
+			AudioBuffer *destBuffer = &outBuffer.mBuffers[channel];
+
+			kernel->Process(
+				(const T *)srcBuffer->mData,
+				(T *)destBuffer->mData,
+				inFramesToProcess,
+				1,
+				ioSilence);
+
+			if (!ioSilence)
+				ioActionFlags &= ~kAudioUnitRenderAction_OutputIsSilence;
+		}
+	}
+}
+
+
+#endif // __AUEffectBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUInputElement.cpp

@@ -0,0 +1,151 @@
+/*
+     File: AUInputElement.cpp
+ Abstract: AUInputElement.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 "AUBase.h"
+
+inline bool	HasGoodBufferPointers(const AudioBufferList &abl, UInt32 nBytes)
+{
+	const AudioBuffer *buf = abl.mBuffers;
+	for (UInt32 i = abl.mNumberBuffers; i--;++buf) {
+		if (buf->mData == NULL || buf->mDataByteSize < nBytes)
+			return false;
+	}
+	return true;
+}
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	AUInputElement::AUInputElement
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+AUInputElement::AUInputElement(AUBase *audioUnit) :
+	AUIOElement(audioUnit),
+	mInputType(kNoInput)
+{
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	AUInputElement::SetConnection
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+void	AUInputElement::SetConnection(const AudioUnitConnection &conn)
+{
+	if (conn.sourceAudioUnit == 0) {
+		Disconnect();
+		return;
+	}
+
+	mInputType = kFromConnection;
+	mConnection = conn;
+	AllocateBuffer();
+
+	mConnInstanceStorage = NULL;
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	mConnRenderProc = NULL;
+	UInt32 size = sizeof(AudioUnitRenderProc);
+	OSStatus result = AudioUnitGetProperty(	conn.sourceAudioUnit,
+							kAudioUnitProperty_FastDispatch,
+							kAudioUnitScope_Global,
+							kAudioUnitRenderSelect,
+							&mConnRenderProc,
+							&size);
+	if (result == noErr)
+		mConnInstanceStorage = CMgr_GetComponentInstanceStorage (conn.sourceAudioUnit);
+	else
+		mConnRenderProc = NULL;
+#endif
+}
+
+void	AUInputElement::Disconnect()
+{
+	mInputType = kNoInput;
+	mIOBuffer.Deallocate();
+}
+
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	AUInputElement::SetInputCallback
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+void	AUInputElement::SetInputCallback(AURenderCallback proc, void *refCon)
+{
+	if (proc == NULL)
+		Disconnect();
+	else {
+		mInputType = kFromCallback;
+		mInputProc = proc;
+		mInputProcRefCon = refCon;
+		AllocateBuffer();
+	}
+}
+
+OSStatus	AUInputElement::SetStreamFormat(const CAStreamBasicDescription &fmt)
+{
+	OSStatus err = AUIOElement::SetStreamFormat(fmt);
+	if (err == AUBase::noErr)
+		AllocateBuffer();
+	return err;
+}
+
+OSStatus		AUInputElement::PullInput(	AudioUnitRenderActionFlags &  	ioActionFlags,
+											const AudioTimeStamp &			inTimeStamp,
+											AudioUnitElement				inElement,
+											UInt32							nFrames)
+{
+	if (!IsActive())
+		return kAudioUnitErr_NoConnection;
+
+	AudioBufferList *pullBuffer;
+
+	if (HasConnection() || !WillAllocateBuffer())
+		pullBuffer = &mIOBuffer.PrepareNullBuffer(mStreamFormat, nFrames);
+	else
+		pullBuffer = &mIOBuffer.PrepareBuffer(mStreamFormat, nFrames);
+
+	return PullInputWithBufferList (ioActionFlags, inTimeStamp, inElement, nFrames, pullBuffer);
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUInputElement.h

@@ -0,0 +1,119 @@
+/*
+     File: AUInputElement.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUInput_h__
+#define __AUInput_h__
+
+#include "AUScopeElement.h"
+#include "AUBuffer.h"
+
+/*! @class AUInputElement */
+class AUInputElement : public AUIOElement {
+public:
+
+	/*! @ctor AUInputElement */
+						AUInputElement(AUBase *audioUnit);
+	/*! @dtor ~AUInputElement */
+	virtual				~AUInputElement() { }
+
+	// AUElement override
+	/*! @method SetStreamFormat */
+	virtual OSStatus	SetStreamFormat(const CAStreamBasicDescription &desc);
+	/*! @method NeedsBufferSpace */
+	virtual bool		NeedsBufferSpace() const { return IsCallback(); }
+
+	/*! @method SetConnection */
+	void				SetConnection(const AudioUnitConnection &conn);
+	/*! @method SetInputCallback */
+	void				SetInputCallback(AURenderCallback proc, void *refCon);
+
+	/*! @method IsActive */
+	bool				IsActive() const { return mInputType != kNoInput; }
+	/*! @method IsCallback */
+	bool				IsCallback() const { return mInputType == kFromCallback; }
+	/*! @method HasConnection */
+	bool				HasConnection() const { return mInputType == kFromConnection; }
+
+	/*! @method PullInput */
+	OSStatus			PullInput(	AudioUnitRenderActionFlags &  	ioActionFlags,
+									const AudioTimeStamp &			inTimeStamp,
+									AudioUnitElement				inElement,
+									UInt32							inNumberFrames);
+
+	/*! @method PullInputWithBufferList */
+	OSStatus			PullInputWithBufferList(	AudioUnitRenderActionFlags &  	ioActionFlags,
+													const AudioTimeStamp &			inTimeStamp,
+													AudioUnitElement				inElement,
+													UInt32							nFrames,
+													AudioBufferList *				inBufferList);
+protected:
+	/*! @method Disconnect */
+	void				Disconnect();
+
+	enum EInputType { kNoInput, kFromConnection, kFromCallback };
+
+	/*! @var mInputType */
+	EInputType					mInputType;
+
+	// if from callback:
+	/*! @var mInputProc */
+	AURenderCallback			mInputProc;
+	/*! @var mInputProcRefCon */
+	void *						mInputProcRefCon;
+
+	// if from connection:
+	/*! @var mConnection */
+	AudioUnitConnection			mConnection;
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	/*! @var mConnRenderProc */
+	AudioUnitRenderProc			mConnRenderProc;
+#endif
+	/*! @var mConnInstanceStorage */
+	void *						mConnInstanceStorage;		// for the input component
+};
+
+
+#endif // __AUInput_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUInputFormatConverter.h

@@ -0,0 +1,155 @@
+/*
+     File: AUInputFormatConverter.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUInputFormatConverter_h__
+#define __AUInputFormatConverter_h__
+
+#include "FormatConverterClient.h"
+#include "AUTimestampGenerator.h"
+
+// ____________________________________________________________________________
+// AUInputFormatConverter
+//
+// Subclass of FormatConverterClient that applies a format conversion
+// to an input of an AudioUnit.
+	/*! @class AUInputFormatConverter */
+class AUInputFormatConverter : public FormatConverterClient {
+public:
+	/*! @ctor AUInputFormatConverter */
+	AUInputFormatConverter(AUBase *hostAU, int inputBus) :
+		mHost(hostAU),
+		mHostBus(inputBus),
+		mPreviousSilentFrames(0x1000)
+	{
+#if DEBUG
+		mTimestampGenerator.mVerbosity = 0;
+		strcpy(mTimestampGenerator.mDebugName, "AUConverter");
+#endif
+	}
+
+	// need to subsequently call Initialize, with the desired formats
+
+	/*! @dtor ~AUInputFormatConverter */
+	~AUInputFormatConverter()
+	{
+	}
+
+	virtual OSStatus Initialize(const AudioStreamBasicDescription &src, const AudioStreamBasicDescription &dest)
+	{
+		OSStatus err = FormatConverterClient::Initialize(src, dest);
+		if (err) return err;
+		mIsPCMToPCM = (src.mFormatID == kAudioFormatLinearPCM) && (dest.mFormatID == kAudioFormatLinearPCM);
+		mHasSRC = (fnonzero(src.mSampleRate) && fnonzero(dest.mSampleRate) && fnotequal(src.mSampleRate, dest.mSampleRate));
+		return ca_noErr;
+	}
+
+	virtual OSStatus	Reset()
+	{
+		mPreviousSilentFrames = 0x1000;
+		mTimestampGenerator.Reset();
+		return FormatConverterClient::Reset();
+	}
+
+	void	SetStartInputTimeAtZero(bool b)
+	{
+		mTimestampGenerator.SetStartInputAtZero(b);
+	}
+
+	/*! @method FillComplexBuffer */
+	OSStatus	AUFillComplexBuffer(const AudioTimeStamp &				inTimeStamp,
+									UInt32 &							ioOutputDataPacketSize,
+									AudioBufferList &					outOutputData,
+									AudioStreamPacketDescription*		outPacketDescription,
+									bool&								outSilence)
+	{
+		mTimestampGenerator.AddOutputTime(inTimeStamp, ioOutputDataPacketSize, mOutputFormat.mSampleRate);
+		mSilentOutput = true;
+		OSStatus err = FillComplexBuffer(ioOutputDataPacketSize, outOutputData, outPacketDescription);
+		if (mSilentOutput) {
+			if (!mIsPCMToPCM || (mHasSRC && mPreviousSilentFrames < 32))
+				mSilentOutput = false;
+			mPreviousSilentFrames += ioOutputDataPacketSize;
+ 		} else
+			mPreviousSilentFrames = 0;
+		outSilence = mSilentOutput;
+		return err;
+	}
+
+	/*! @method FormatConverterInputProc */
+	virtual OSStatus	FormatConverterInputProc(
+								UInt32 &						ioNumberDataPackets,
+								AudioBufferList &				ioData,
+								AudioStreamPacketDescription**	outDataPacketDescription)
+	{
+		OSStatus err = ca_noErr;
+
+		AudioUnitRenderActionFlags actionFlags = 0;
+		AUInputElement *input = mHost->GetInput(mHostBus);
+		*ioNumberDataPackets = std::min(*ioNumberDataPackets, This->mHost->GetMaxFramesPerSlice());
+		const AudioTimeStamp &inputTime = mTimestampGenerator.GenerateInputTime(ioNumberDataPackets, mInputFormat.mSampleRate);
+		err = input->PullInput(actionFlags, inputTime, mHostBus, ioNumberDataPackets);
+		if (!err) {
+			input->CopyBufferListTo(ioData);
+			if (!(actionFlags & kAudioUnitRenderAction_OutputIsSilence))
+				mSilentOutput = false;
+		}
+		return err;
+	}
+
+protected:
+	/*! @var mHost */
+	AUBase *				mHost;
+	/*! @var mHostBus */
+	int						mHostBus;
+
+	AUTimestampGenerator	mTimestampGenerator;
+	bool					mIsPCMToPCM;
+	bool					mHasSRC;
+	bool					mSilentOutput;
+	UInt32					mPreviousSilentFrames;
+};
+
+#endif // __AUInputFormatConverter_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUMIDIBase.cpp

@@ -0,0 +1,495 @@
+/*
+     File: AUMIDIBase.cpp
+ Abstract: AUMIDIBase.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 "AUMIDIBase.h"
+#include <CoreMIDI/CoreMIDI.h>
+#include "CAXException.h"
+
+//temporaray location
+enum
+{
+	kMidiMessage_NoteOff 			= 0x80,
+	kMidiMessage_NoteOn 			= 0x90,
+	kMidiMessage_PolyPressure 		= 0xA0,
+	kMidiMessage_ControlChange 		= 0xB0,
+	kMidiMessage_ProgramChange 		= 0xC0,
+	kMidiMessage_ChannelPressure 	= 0xD0,
+	kMidiMessage_PitchWheel 		= 0xE0,
+
+	kMidiController_AllSoundOff			= 120,
+	kMidiController_ResetAllControllers	= 121,
+	kMidiController_AllNotesOff			= 123
+};
+
+AUMIDIBase::AUMIDIBase(AUBase* inBase)
+	: mAUBaseInstance (*inBase)
+{
+#if CA_AUTO_MIDI_MAP
+	mMapManager = new CAAUMIDIMapManager();
+#endif
+}
+
+AUMIDIBase::~AUMIDIBase()
+{
+#if CA_AUTO_MIDI_MAP
+	if (mMapManager)
+		delete mMapManager;
+#endif
+}
+
+#if TARGET_API_MAC_OSX
+OSStatus			AUMIDIBase::DelegateGetPropertyInfo(AudioUnitPropertyID				inID,
+														AudioUnitScope					inScope,
+														AudioUnitElement				inElement,
+														UInt32 &						outDataSize,
+														Boolean &						outWritable)
+{
+	OSStatus result = noErr;
+
+	switch (inID) {
+#if !TARGET_OS_IPHONE
+	case kMusicDeviceProperty_MIDIXMLNames:
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		if (GetXMLNames(NULL) == noErr) {
+			outDataSize = sizeof(CFURLRef);
+			outWritable = false;
+		} else
+			result = kAudioUnitErr_InvalidProperty;
+		break;
+#endif
+#if CA_AUTO_MIDI_MAP
+	case kAudioUnitProperty_AllParameterMIDIMappings:
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		outWritable = true;
+		outDataSize = sizeof (AUParameterMIDIMapping)*mMapManager->NumMaps();
+		result = noErr;
+		break;
+
+	case kAudioUnitProperty_HotMapParameterMIDIMapping:
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		outWritable = true;
+		outDataSize = sizeof (AUParameterMIDIMapping);
+		result = noErr;
+		break;
+
+	case kAudioUnitProperty_AddParameterMIDIMapping:
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		outWritable = true;
+		outDataSize = sizeof (AUParameterMIDIMapping);
+		result = noErr;
+		break;
+
+	case kAudioUnitProperty_RemoveParameterMIDIMapping:
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		outWritable = true;
+		outDataSize = sizeof (AUParameterMIDIMapping);
+		result = noErr;
+		break;
+#endif
+
+	default:
+		result = kAudioUnitErr_InvalidProperty;
+		break;
+	}
+	return result;
+
+#if CA_AUTO_MIDI_MAP || (!TARGET_OS_IPHONE)
+InvalidScope:
+	return kAudioUnitErr_InvalidScope;
+InvalidElement:
+	return kAudioUnitErr_InvalidElement;
+#endif
+}
+
+OSStatus			AUMIDIBase::DelegateGetProperty(	AudioUnitPropertyID 			inID,
+														AudioUnitScope 					inScope,
+														AudioUnitElement			 	inElement,
+														void *							outData)
+{
+	OSStatus result;
+
+	switch (inID) {
+#if !TARGET_OS_IPHONE
+	case kMusicDeviceProperty_MIDIXMLNames:
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		result = GetXMLNames((CFURLRef *)outData);
+		break;
+#endif
+#if CA_AUTO_MIDI_MAP
+	case kAudioUnitProperty_AllParameterMIDIMappings:{
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		AUParameterMIDIMapping*  maps =  (static_cast<AUParameterMIDIMapping*>(outData));
+		mMapManager->GetMaps(maps);
+//		printf ("GETTING MAPS\n");
+//		mMapManager->Print();
+		result = noErr;
+		break;
+	}
+
+	case kAudioUnitProperty_HotMapParameterMIDIMapping:{
+		ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+		ca_require(inElement == 0, InvalidElement);
+		AUParameterMIDIMapping *  map =  (static_cast<AUParameterMIDIMapping*>(outData));
+		mMapManager->GetHotParameterMap (*map);
+		result = noErr;
+		break;
+	}
+#endif
+
+	default:
+		result = kAudioUnitErr_InvalidProperty;
+		break;
+	}
+	return result;
+
+#if CA_AUTO_MIDI_MAP || (!TARGET_OS_IPHONE)
+InvalidScope:
+	return kAudioUnitErr_InvalidScope;
+InvalidElement:
+	return kAudioUnitErr_InvalidElement;
+#endif
+}
+
+OSStatus			AUMIDIBase::DelegateSetProperty(	AudioUnitPropertyID 			inID,
+														AudioUnitScope 					inScope,
+														AudioUnitElement			 	inElement,
+														const void *					inData,
+														UInt32							inDataSize)
+{
+	OSStatus result;
+
+	switch (inID) {
+#if CA_AUTO_MIDI_MAP
+		case kAudioUnitProperty_AddParameterMIDIMapping:{
+			ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+			ca_require(inElement == 0, InvalidElement);
+			AUParameterMIDIMapping * maps = (AUParameterMIDIMapping*)inData;
+			mMapManager->SortedInsertToParamaterMaps (maps, (inDataSize / sizeof(AUParameterMIDIMapping)), mAUBaseInstance);
+			mAUBaseInstance.PropertyChanged (kAudioUnitProperty_AllParameterMIDIMappings, kAudioUnitScope_Global, 0);
+			result = noErr;
+			break;
+		}
+
+		case kAudioUnitProperty_RemoveParameterMIDIMapping:{
+			ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+			ca_require(inElement == 0, InvalidElement);
+			AUParameterMIDIMapping * maps = (AUParameterMIDIMapping*)inData;
+			bool didChange;
+			mMapManager->SortedRemoveFromParameterMaps(maps, (inDataSize / sizeof(AUParameterMIDIMapping)), didChange);
+			if (didChange)
+				mAUBaseInstance.PropertyChanged (kAudioUnitProperty_AllParameterMIDIMappings, kAudioUnitScope_Global, 0);
+			result = noErr;
+			break;
+		}
+
+		case kAudioUnitProperty_HotMapParameterMIDIMapping:{
+			ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+			ca_require(inElement == 0, InvalidElement);
+			AUParameterMIDIMapping & map = *((AUParameterMIDIMapping*)inData);
+			mMapManager->SetHotMapping (map);
+			result = noErr;
+			break;
+		}
+		case kAudioUnitProperty_AllParameterMIDIMappings:{
+			ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
+			ca_require(inElement == 0, InvalidElement);
+			AUParameterMIDIMapping * mappings = (AUParameterMIDIMapping*)inData;
+			mMapManager->ReplaceAllMaps (mappings, (inDataSize / sizeof(AUParameterMIDIMapping)), mAUBaseInstance);
+			result = noErr;
+			break;
+		}
+#endif
+
+	default:
+		result = kAudioUnitErr_InvalidProperty;
+		break;
+	}
+	return result;
+#if CA_AUTO_MIDI_MAP
+	InvalidScope:
+		return kAudioUnitErr_InvalidScope;
+	InvalidElement:
+		return kAudioUnitErr_InvalidElement;
+#endif
+}
+
+
+
+#endif //TARGET_API_MAC_OSX
+
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#pragma mark ____MidiDispatch
+
+
+inline const Byte *	NextMIDIEvent(const Byte *event, const Byte *end)
+{
+	Byte c = *event;
+	switch (c >> 4) {
+	default:	// data byte -- assume in sysex
+		while ((*++event & 0x80) == 0 && event < end)
+			;
+		break;
+	case 0x8:
+	case 0x9:
+	case 0xA:
+	case 0xB:
+	case 0xE:
+		event += 3;
+		break;
+	case 0xC:
+	case 0xD:
+		event += 2;
+		break;
+	case 0xF:
+		switch (c) {
+		case 0xF0:
+			while ((*++event & 0x80) == 0 && event < end)
+				;
+			break;
+		case 0xF1:
+		case 0xF3:
+			event += 2;
+			break;
+		case 0xF2:
+			event += 3;
+			break;
+		default:
+			++event;
+			break;
+		}
+	}
+	return (event >= end) ? end : event;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	AUMIDIBase::HandleMIDIPacketList
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+OSStatus			AUMIDIBase::HandleMIDIPacketList(const MIDIPacketList *pktlist)
+{
+	if (!mAUBaseInstance.IsInitialized()) return kAudioUnitErr_Uninitialized;
+
+	int nPackets = pktlist->numPackets;
+	const MIDIPacket *pkt = pktlist->packet;
+
+	while (nPackets-- > 0) {
+		const Byte *event = pkt->data, *packetEnd = event + pkt->length;
+		long startFrame = (long)pkt->timeStamp;
+		while (event < packetEnd) {
+			Byte status = event[0];
+			if (status & 0x80) {
+				// really a status byte (not sysex continuation)
+				HandleMidiEvent(status & 0xF0, status & 0x0F, event[1], event[2], static_cast<UInt32>(startFrame));
+					// note that we're generating a bogus channel number for system messages (0xF0-FF)
+			}
+			event = NextMIDIEvent(event, packetEnd);
+		}
+		pkt = reinterpret_cast<const MIDIPacket *>(packetEnd);
+	}
+	return noErr;
+}
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//	AUMIDIBase::HandleMidiEvent
+//
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+OSStatus 	AUMIDIBase::HandleMidiEvent(UInt8 status, UInt8 channel, UInt8 data1, UInt8 data2, UInt32 inStartFrame)
+{
+	if (!mAUBaseInstance.IsInitialized()) return kAudioUnitErr_Uninitialized;
+
+#if CA_AUTO_MIDI_MAP
+// you potentially have a choice to make here - if a param mapping matches, do you still want to process the
+// MIDI event or not. The default behaviour is to continue on with the MIDI event.
+	if (mMapManager->HandleHotMapping (status, channel, data1, mAUBaseInstance)) {
+		mAUBaseInstance.PropertyChanged (kAudioUnitProperty_HotMapParameterMIDIMapping, kAudioUnitScope_Global, 0);
+	}
+	else {
+		mMapManager->FindParameterMapEventMatch(status, channel, data1, data2, inStartFrame, mAUBaseInstance);
+	}
+#endif
+
+	OSStatus result = noErr;
+
+	switch(status)
+	{
+		case kMidiMessage_NoteOn:
+			if(data2)
+			{
+				result = HandleNoteOn(channel, data1, data2, inStartFrame);
+			}
+			else
+			{
+				// zero velocity translates to note off
+				result = HandleNoteOff(channel, data1, data2, inStartFrame);
+			}
+			break;
+
+		case kMidiMessage_NoteOff:
+			result = HandleNoteOff(channel, data1, data2, inStartFrame);
+			break;
+
+		default:
+			result = HandleNonNoteEvent (status, channel, data1, data2, inStartFrame);
+			break;
+	}
+
+	return result;
+}
+
+OSStatus	AUMIDIBase::HandleNonNoteEvent (UInt8 status, UInt8 channel, UInt8 data1, UInt8 data2, UInt32 inStartFrame)
+{
+	OSStatus result = noErr;
+
+	switch (status)
+	{
+		case kMidiMessage_PitchWheel:
+			result = HandlePitchWheel(channel, data1, data2, inStartFrame);
+			break;
+
+		case kMidiMessage_ProgramChange:
+			result = HandleProgramChange(channel, data1);
+			break;
+
+		case kMidiMessage_ChannelPressure:
+			result = HandleChannelPressure(channel, data1, inStartFrame);
+			break;
+
+		case kMidiMessage_ControlChange:
+		{
+			switch (data1) {
+				case kMidiController_AllNotesOff:
+					result = HandleAllNotesOff(channel);
+					break;
+
+				case kMidiController_ResetAllControllers:
+					result = HandleResetAllControllers(channel);
+					break;
+
+				case kMidiController_AllSoundOff:
+					result = HandleAllSoundOff(channel);
+					break;
+
+				default:
+					result = HandleControlChange(channel, data1, data2, inStartFrame);
+					break;
+			}
+			break;
+		}
+		case kMidiMessage_PolyPressure:
+			result = HandlePolyPressure (channel, data1, data2, inStartFrame);
+			break;
+	}
+	return result;
+}
+
+OSStatus 	AUMIDIBase::SysEx (const UInt8 *	inData,
+										UInt32			inLength)
+{
+	if (!mAUBaseInstance.IsInitialized()) return kAudioUnitErr_Uninitialized;
+
+	return HandleSysEx(inData, inLength );
+}
+
+
+
+#if TARGET_OS_MAC
+	#if __LP64__
+		// comp instance, parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index + 1];
+	#else
+		// parameters in reverse order, then comp instance
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_nparams - 1 - _index];
+	#endif
+#elif TARGET_OS_WIN32
+		// (no comp instance), parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index];
+#endif
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+OSStatus			AUMIDIBase::ComponentEntryDispatch(	ComponentParameters *			params,
+															AUMIDIBase *				This)
+{
+	if (This == NULL) return kAudio_ParamError;
+
+	OSStatus result;
+
+	switch (params->what) {
+	case kMusicDeviceMIDIEventSelect:
+		{
+			PARAM(UInt32, pbinStatus, 0, 4);
+			PARAM(UInt32, pbinData1, 1, 4);
+			PARAM(UInt32, pbinData2, 2, 4);
+			PARAM(UInt32, pbinOffsetSampleFrame, 3, 4);
+			result = This->MIDIEvent(pbinStatus, pbinData1, pbinData2, pbinOffsetSampleFrame);
+		}
+		break;
+	case kMusicDeviceSysExSelect:
+		{
+			PARAM(const UInt8 *, pbinData, 0, 2);
+			PARAM(UInt32, pbinLength, 1, 2);
+			result = This->SysEx(pbinData, pbinLength);
+		}
+		break;
+
+	default:
+		result = badComponentSelector;
+		break;
+	}
+
+	return result;
+}
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUMIDIBase.h

@@ -0,0 +1,213 @@
+/*
+     File: AUMIDIBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUMIDIBase_h__
+#define __AUMIDIBase_h__
+
+#include "AUBase.h"
+
+#if CA_AUTO_MIDI_MAP
+	#include "CAAUMIDIMapManager.h"
+#endif
+
+struct MIDIPacketList;
+
+// ________________________________________________________________________
+//	MusicDeviceBase
+//
+	/*! @class AUMIDIBase */
+class AUMIDIBase {
+public:
+									// this is NOT a copy constructor!
+	/*! @ctor AUMIDIBase */
+								AUMIDIBase(AUBase* inBase);
+	/*! @dtor ~AUMIDIBase */
+	virtual						~AUMIDIBase();
+
+	/*! @method MIDIEvent */
+	virtual OSStatus	MIDIEvent(		UInt32 						inStatus,
+										UInt32 						inData1,
+										UInt32 						inData2,
+										UInt32 						inOffsetSampleFrame)
+	{
+		UInt32 strippedStatus = inStatus & 0xf0;
+		UInt32 channel = inStatus & 0x0f;
+
+		return HandleMidiEvent(strippedStatus, channel, inData1, inData2, inOffsetSampleFrame);
+	}
+
+	/*! @method HandleMIDIPacketList */
+	OSStatus			HandleMIDIPacketList(const MIDIPacketList *pktlist);
+
+	/*! @method SysEx */
+	virtual OSStatus	SysEx(			const UInt8 *				inData,
+										UInt32 						inLength);
+
+#if TARGET_API_MAC_OSX
+	/*! @method DelegateGetPropertyInfo */
+	virtual OSStatus			DelegateGetPropertyInfo(AudioUnitPropertyID			inID,
+														AudioUnitScope				inScope,
+														AudioUnitElement			inElement,
+														UInt32 &					outDataSize,
+														Boolean &					outWritable);
+
+	/*! @method DelegateGetProperty */
+	virtual OSStatus			DelegateGetProperty(	AudioUnitPropertyID 		inID,
+														AudioUnitScope 				inScope,
+														AudioUnitElement		 	inElement,
+														void *						outData);
+
+	/*! @method DelegateSetProperty */
+	virtual OSStatus			DelegateSetProperty(	AudioUnitPropertyID 		inID,
+														AudioUnitScope 				inScope,
+														AudioUnitElement		 	inElement,
+														const void *				inData,
+														UInt32						inDataSize);
+#endif
+
+protected:
+	// MIDI dispatch
+	/*! @method HandleMidiEvent */
+	virtual OSStatus	HandleMidiEvent(		UInt8 	inStatus,
+												UInt8 	inChannel,
+												UInt8 	inData1,
+												UInt8 	inData2,
+												UInt32 	inStartFrame);
+
+	/*! @method HandleNonNoteEvent */
+	virtual OSStatus	HandleNonNoteEvent (	UInt8	status,
+												UInt8	channel,
+												UInt8	data1,
+												UInt8	data2,
+												UInt32	inStartFrame);
+
+#if TARGET_API_MAC_OSX
+	/*! @method GetXMLNames */
+	virtual OSStatus			GetXMLNames(CFURLRef *outNameDocument)
+	{ return kAudioUnitErr_InvalidProperty; }	// if not overridden, it's unsupported
+#endif
+
+// channel messages
+	/*! @method HandleNoteOn */
+	virtual OSStatus	HandleNoteOn(			UInt8 	inChannel,
+												UInt8 	inNoteNumber,
+												UInt8 	inVelocity,
+												UInt32 	inStartFrame) { return noErr; }
+
+	/*! @method HandleNoteOff */
+	virtual OSStatus	HandleNoteOff(			UInt8 	inChannel,
+												UInt8 	inNoteNumber,
+												UInt8 	inVelocity,
+												UInt32 	inStartFrame) { return noErr; }
+
+	/*! @method HandleControlChange */
+	virtual OSStatus	HandleControlChange(	UInt8 	inChannel,
+												UInt8 	inController,
+												UInt8 	inValue,
+												UInt32	inStartFrame) { return noErr; }
+
+	/*! @method HandlePitchWheel */
+	virtual OSStatus	HandlePitchWheel(		UInt8 	inChannel,
+												UInt8 	inPitch1,
+												UInt8 	inPitch2,
+												UInt32	inStartFrame) { return noErr; }
+
+	/*! @method HandleChannelPressure */
+	virtual OSStatus	HandleChannelPressure(	UInt8 	inChannel,
+												UInt8 	inValue,
+												UInt32	inStartFrame) { return noErr; }
+
+	/*! @method HandleProgramChange */
+	virtual OSStatus	HandleProgramChange(	UInt8 	inChannel,
+												UInt8 	inValue) { return noErr; }
+
+	/*! @method HandlePolyPressure */
+	virtual OSStatus	HandlePolyPressure(		UInt8 	inChannel,
+												UInt8 	inKey,
+												UInt8	inValue,
+												UInt32	inStartFrame) { return noErr; }
+
+	/*! @method HandleResetAllControllers */
+	virtual OSStatus	HandleResetAllControllers(UInt8 inChannel) { return noErr; }
+
+	/*! @method HandleAllNotesOff */
+	virtual OSStatus	HandleAllNotesOff(		UInt8	inChannel) { return noErr; }
+
+	/*! @method HandleAllSoundOff */
+	virtual OSStatus	HandleAllSoundOff(		UInt8	inChannel) { return noErr; }
+
+
+//System messages
+	/*! @method HandleSysEx */
+	virtual OSStatus	HandleSysEx(			const UInt8 *	inData,
+                                        		UInt32			inLength ) { return noErr; }
+
+#if CA_AUTO_MIDI_MAP
+	/* map manager */
+	CAAUMIDIMapManager			*GetMIDIMapManager() {return mMapManager;};
+
+#endif
+
+
+private:
+	/*! @var mAUBaseInstance */
+	AUBase						& mAUBaseInstance;
+
+#if CA_AUTO_MIDI_MAP
+	/* map manager */
+	CAAUMIDIMapManager			* mMapManager;
+#endif
+
+public:
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	// component dispatcher
+	/*! @method ComponentEntryDispatch */
+	static OSStatus			ComponentEntryDispatch(	ComponentParameters 		*params,
+														AUMIDIBase 					*This);
+#endif
+};
+
+#endif // __AUMIDIBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUMIDIEffectBase.cpp

@@ -0,0 +1,164 @@
+/*
+     File: AUMIDIEffectBase.cpp
+ Abstract: AUMIDIEffectBase.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 "AUMIDIEffectBase.h"
+
+// compatibility with older OS SDK releases
+typedef OSStatus
+(*TEMP_MusicDeviceMIDIEventProc)(	void *				inComponentStorage,
+				UInt32					inStatus,
+				UInt32					inData1,
+				UInt32					inData2,
+				UInt32					inOffsetSampleFrame);
+
+static OSStatus		AUMIDIEffectBaseMIDIEvent(void *				inComponentStorage,
+						UInt32					inStatus,
+						UInt32					inData1,
+						UInt32					inData2,
+						UInt32					inOffsetSampleFrame);
+
+AUMIDIEffectBase::AUMIDIEffectBase(		AudioComponentInstance				inInstance,
+						bool 						inProcessesInPlace )
+	: AUEffectBase(inInstance, inProcessesInPlace),
+	  AUMIDIBase(this)
+{
+}
+
+OSStatus			AUMIDIEffectBase::GetPropertyInfo(AudioUnitPropertyID			inID,
+							AudioUnitScope				inScope,
+							AudioUnitElement			inElement,
+							UInt32 &				outDataSize,
+							Boolean &				outWritable)
+{
+	OSStatus result;
+
+	result = AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+
+	if (result == kAudioUnitErr_InvalidProperty)
+		result = AUMIDIBase::DelegateGetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+
+	return result;
+}
+
+OSStatus			AUMIDIEffectBase::GetProperty(	AudioUnitPropertyID		inID,
+													AudioUnitScope 			inScope,
+													AudioUnitElement		inElement,
+													void *					outData)
+{
+	OSStatus result;
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	if (inID == kAudioUnitProperty_FastDispatch) {
+		if (inElement == kMusicDeviceMIDIEventSelect) {
+			*(TEMP_MusicDeviceMIDIEventProc *)outData = AUMIDIEffectBaseMIDIEvent;
+			return noErr;
+		}
+		return kAudioUnitErr_InvalidElement;
+	}
+#endif
+
+	result = AUEffectBase::GetProperty (inID, inScope, inElement, outData);
+
+	if (result == kAudioUnitErr_InvalidProperty)
+		result = AUMIDIBase::DelegateGetProperty (inID, inScope, inElement, outData);
+
+	return result;
+}
+
+OSStatus			AUMIDIEffectBase::SetProperty(	AudioUnitPropertyID			inID,
+							AudioUnitScope 				inScope,
+							AudioUnitElement		 	inElement,
+							const void *				inData,
+							UInt32					inDataSize)
+{
+
+	OSStatus result = AUEffectBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
+
+	if (result == kAudioUnitErr_InvalidProperty)
+		result = AUMIDIBase::DelegateSetProperty (inID, inScope, inElement, inData, inDataSize);
+
+	return result;
+}
+
+
+#if !TARGET_OS_IPHONE
+OSStatus			AUMIDIEffectBase::ComponentEntryDispatch(ComponentParameters *			params,
+								AUMIDIEffectBase *			This)
+{
+	if (This == NULL) return paramErr;
+
+	OSStatus result;
+
+	switch (params->what) {
+	case kMusicDeviceMIDIEventSelect:
+	case kMusicDeviceSysExSelect:
+		result = AUMIDIBase::ComponentEntryDispatch (params, This);
+		break;
+	default:
+		result = AUEffectBase::ComponentEntryDispatch(params, This);
+		break;
+	}
+
+	return result;
+}
+#endif
+
+// fast dispatch
+static OSStatus		AUMIDIEffectBaseMIDIEvent(void *				inComponentStorage,
+						UInt32					inStatus,
+						UInt32					inData1,
+						UInt32					inData2,
+						UInt32					inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		AUMIDIEffectBase *This = static_cast<AUMIDIEffectBase *>(inComponentStorage);
+		if (This == NULL) return paramErr;
+		result = This->AUMIDIBase::MIDIEvent(inStatus, inData1, inData2, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUMIDIEffectBase.h

@@ -0,0 +1,104 @@
+/*
+     File: AUMIDIEffectBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUMIDIEffectBase_h__
+#define __AUMIDIEffectBase_h__
+
+#include "AUMIDIBase.h"
+#include "AUEffectBase.h"
+
+// ________________________________________________________________________
+//	AUMIDIEffectBase
+//
+	/*! @class AUMIDIEffectBase */
+class AUMIDIEffectBase : public AUEffectBase, public AUMIDIBase {
+public:
+	/*! @ctor AUMIDIEffectBase */
+								AUMIDIEffectBase(	AudioComponentInstance	inInstance,
+													bool					inProcessesInPlace = false );
+    /*! @method MIDIEvent */
+    virtual OSStatus            MIDIEvent(UInt32            inStatus,
+                                          UInt32            inData1,
+                                          UInt32            inData2,
+                                          UInt32            inOffsetSampleFrame)
+	{
+		return AUMIDIBase::MIDIEvent (inStatus, inData1, inData2, inOffsetSampleFrame);
+	}
+
+	/*! @method SysEx */
+	virtual OSStatus            SysEx(const UInt8 *         inData,
+                                      UInt32                inLength)
+	{
+		return AUMIDIBase::SysEx (inData, inLength);
+	}
+
+	/*! @method GetPropertyInfo */
+	virtual OSStatus			GetPropertyInfo(AudioUnitPropertyID			inID,
+												AudioUnitScope				inScope,
+												AudioUnitElement			inElement,
+												UInt32 &					outDataSize,
+												Boolean &					outWritable);
+
+	/*! @method GetProperty */
+	virtual OSStatus			GetProperty(	AudioUnitPropertyID 		inID,
+												AudioUnitScope 				inScope,
+												AudioUnitElement		 	inElement,
+												void *						outData);
+	/*! @method SetProperty */
+	virtual OSStatus			SetProperty(	AudioUnitPropertyID 		inID,
+												AudioUnitScope 				inScope,
+												AudioUnitElement		 	inElement,
+												const void *				inData,
+												UInt32						inDataSize);
+#if !TARGET_OS_IPHONE
+	// component dispatcher
+	/*! @method ComponentEntryDispatch */
+	static OSStatus			ComponentEntryDispatch(	ComponentParameters *			params,
+														AUMIDIEffectBase *				This);
+#endif
+};
+
+#endif // __AUMIDIEffectBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUOutputBase.cpp

@@ -0,0 +1,76 @@
+/*
+     File: AUOutputBase.cpp
+ Abstract: AUOutputBase.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.
+
+*/
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+#include "AUOutputBase.h"
+
+OSStatus		AUOutputBase::ComponentEntryDispatch(ComponentParameters *params, AUOutputBase *This)
+{
+	if (This == NULL) return paramErr;
+
+	OSStatus result;
+
+	switch (params->what) {
+	case kAudioOutputUnitStartSelect:
+		{
+			result = This->Start();
+		}
+		break;
+
+	case kAudioOutputUnitStopSelect:
+		{
+			result = This->Stop();
+		}
+		break;
+
+	default:
+		result = badComponentSelector;
+		break;
+	}
+
+	return result;
+}
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUOutputBase.h

@@ -0,0 +1,82 @@
+/*
+     File: AUOutputBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUOutputBase_h__
+#define __AUOutputBase_h__
+
+#include "AUBase.h"
+
+// ________________________________________________________________________
+//	AUOutputBase
+//	this is now a mix-in rather than an AUBase subclass
+
+	/*! @class AUOutputBase */
+class AUOutputBase {
+public:
+	/*! @ctor AUOutputBase */
+								AUOutputBase(AUBase *inBase) : mAUBaseInstance(*inBase) { }
+	virtual ~AUOutputBase() { }
+
+	// additional component entry points
+	/*! @method Start */
+	virtual OSStatus			Start() = 0;
+
+	/*! @method Stop */
+	virtual OSStatus			Stop() = 0;
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	// component dispatcher
+	/*! @method ComponentEntryDispatch */
+	static OSStatus			ComponentEntryDispatch(	ComponentParameters *			params,
+														AUOutputBase *					This);
+#endif
+
+private:
+	/*! @var mAUBaseInstance */
+	AUBase &					mAUBaseInstance;
+};
+
+#endif // __AUOutputBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUOutputElement.cpp

@@ -0,0 +1,62 @@
+/*
+     File: AUOutputElement.cpp
+ Abstract: AUOutputElement.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 "AUOutputElement.h"
+#include "AUBase.h"
+
+AUOutputElement::AUOutputElement(AUBase *audioUnit) :
+	AUIOElement(audioUnit)
+{
+	AllocateBuffer();
+}
+
+OSStatus	AUOutputElement::SetStreamFormat(const CAStreamBasicDescription &desc)
+{
+	OSStatus result = AUIOElement::SetStreamFormat(desc);	// inherited
+	if (result == AUBase::noErr)
+		AllocateBuffer();
+	return result;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUOutputElement.h

@@ -0,0 +1,66 @@
+/*
+     File: AUOutputElement.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUOutput_h__
+#define __AUOutput_h__
+
+#include "AUScopeElement.h"
+#include "AUBuffer.h"
+
+	/*! @class AUOutputElement */
+class AUOutputElement : public AUIOElement {
+public:
+	/*! @ctor AUOutputElement */
+						AUOutputElement(AUBase *audioUnit);
+
+	// AUElement override
+	/*! @method SetStreamFormat */
+	virtual OSStatus	SetStreamFormat(const CAStreamBasicDescription &desc);
+	/*! @method NeedsBufferSpace */
+	virtual bool		NeedsBufferSpace() const { return true; }
+};
+
+#endif // __AUOutput_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUPlugInDispatch.cpp

@@ -0,0 +1,668 @@
+/*
+     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

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUPlugInDispatch.h

@@ -0,0 +1,144 @@
+/*
+     File: AUPlugInDispatch.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUPlugInBase_h__
+#define __AUPlugInBase_h__
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <AudioUnit/AudioComponent.h>
+	#if !CA_BASIC_AU_FEATURES
+		#include <AudioUnit/MusicDevice.h>
+	#endif
+#else
+	#include "AudioComponent.h"
+	#include "MusicDevice.h"
+#endif
+
+#include "ComponentBase.h"
+
+struct AUBaseLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUBaseFactory : public APFactory<AUBaseLookup, Implementor>
+{
+};
+
+struct AUOutputLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUOutputBaseFactory : public APFactory<AUOutputLookup, Implementor>
+{
+};
+
+struct AUComplexOutputLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUOutputComplexBaseFactory : public APFactory<AUComplexOutputLookup, Implementor>
+{
+};
+
+struct AUBaseProcessLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUBaseProcessFactory : public APFactory<AUBaseProcessLookup, Implementor>
+{
+};
+
+struct AUBaseProcessMultipleLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUBaseProcessMultipleFactory : public APFactory<AUBaseProcessMultipleLookup, Implementor>
+{
+};
+
+struct AUBaseProcessAndMultipleLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUBaseProcessAndMultipleFactory : public APFactory<AUBaseProcessAndMultipleLookup, Implementor>
+{
+};
+
+#if !CA_BASIC_AU_FEATURES
+struct AUMIDILookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUMIDIEffectFactory : public APFactory<AUMIDILookup, Implementor>
+{
+};
+
+struct AUMIDIProcessLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUMIDIProcessFactory : public APFactory<AUMIDIProcessLookup, Implementor>
+{
+};
+
+struct AUMusicLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUMusicDeviceFactory : public APFactory<AUMusicLookup, Implementor>
+{
+};
+
+struct AUAuxBaseLookup {
+	static AudioComponentMethod Lookup (SInt16 selector);
+};
+template <class Implementor>
+class AUAuxBaseFactory : public APFactory<AUAuxBaseLookup, Implementor>
+{
+};
+#endif // CA_BASIC_AU_FEATURES
+
+#endif // __AUPlugInBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUScopeElement.cpp

@@ -0,0 +1,565 @@
+/*
+     File: AUScopeElement.cpp
+ Abstract: AUScopeElement.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 "AUScopeElement.h"
+#include "AUBase.h"
+
+//_____________________________________________________________________________
+//
+//	By default, parameterIDs may be arbitrarily spaced, and an STL map
+//  will be used for access.  Calling UseIndexedParameters() will
+//	instead use an STL vector for faster indexed access.
+//	This assumes the paramIDs are numbered 0.....inNumberOfParameters-1
+//	Call this before defining/adding any parameters with SetParameter()
+//
+void	AUElement::UseIndexedParameters(int inNumberOfParameters)
+{
+	mIndexedParameters.resize (inNumberOfParameters);
+	mUseIndexedParameters = true;
+}
+
+//_____________________________________________________________________________
+//
+//	Helper method.
+//	returns the ParameterMapEvent object associated with the paramID
+//
+inline ParameterMapEvent&	AUElement::GetParamEvent(AudioUnitParameterID paramID)
+{
+	ParameterMapEvent *event;
+
+	if(mUseIndexedParameters)
+	{
+		if(paramID >= mIndexedParameters.size() )
+			COMPONENT_THROW(kAudioUnitErr_InvalidParameter);
+
+		event = &mIndexedParameters[paramID];
+	}
+	else
+	{
+		ParameterMap::iterator i = mParameters.find(paramID);
+		if (i == mParameters.end())
+			COMPONENT_THROW(kAudioUnitErr_InvalidParameter);
+
+		event = &(*i).second;
+	}
+
+	return *event;
+}
+
+//_____________________________________________________________________________
+//
+//	Helper method.
+//	returns whether the specified paramID is known to the element
+//
+bool		AUElement::HasParameterID (AudioUnitParameterID paramID) const
+{
+	if(mUseIndexedParameters)
+	{
+		if(paramID >= mIndexedParameters.size() )
+			return false;
+
+		return true;
+	}
+
+	ParameterMap::const_iterator i = mParameters.find(paramID);
+	if (i == mParameters.end())
+		return false;
+
+	return true;
+}
+
+//_____________________________________________________________________________
+//
+//	caller assumes that this is actually an immediate parameter
+//
+AudioUnitParameterValue		AUElement::GetParameter(AudioUnitParameterID paramID)
+{
+	ParameterMapEvent &event = GetParamEvent(paramID);
+
+	return event.GetValue();
+}
+
+
+//_____________________________________________________________________________
+//
+void			AUElement::GetRampSliceStartEnd(	AudioUnitParameterID		paramID,
+													AudioUnitParameterValue &	outStartValue,
+													AudioUnitParameterValue &	outEndValue,
+													AudioUnitParameterValue &	outValuePerFrameDelta )
+
+{
+	ParameterMapEvent &event = GetParamEvent(paramID);
+
+	// works even if the value is constant (immediate parameter value)
+	event.GetRampSliceStartEnd(outStartValue, outEndValue, outValuePerFrameDelta );
+}
+
+//_____________________________________________________________________________
+//
+AudioUnitParameterValue			AUElement::GetEndValue(	AudioUnitParameterID		paramID)
+
+{
+	ParameterMapEvent &event = GetParamEvent(paramID);
+
+	// works even if the value is constant (immediate parameter value)
+	return event.GetEndValue();
+}
+
+//_____________________________________________________________________________
+//
+void			AUElement::SetParameter(AudioUnitParameterID paramID, AudioUnitParameterValue inValue, bool okWhenInitialized)
+{
+	if(mUseIndexedParameters)
+	{
+		ParameterMapEvent &event = GetParamEvent(paramID);
+		event.SetValue(inValue);
+	}
+	else
+	{
+		ParameterMap::iterator i = mParameters.find(paramID);
+
+		if (i == mParameters.end())
+		{
+			if (mAudioUnit->IsInitialized() && !okWhenInitialized) {
+				// The AU should not be creating new parameters once initialized.
+				// If a client tries to set an undefined parameter, we could throw as follows,
+				// but this might cause a regression. So it is better to just fail silently.
+				// COMPONENT_THROW(kAudioUnitErr_InvalidParameter);
+#if DEBUG
+				fprintf(stderr, "WARNING: %s SetParameter for undefined param ID %d while initialized. Ignoring..\n",
+								mAudioUnit->GetLoggingString(), (int)paramID);
+#endif
+			} else {
+				// create new entry in map for the paramID (only happens first time)
+				ParameterMapEvent event(inValue);
+				mParameters[paramID] = event;
+			}
+		}
+		else
+		{
+			// paramID already exists in map so simply change its value
+			ParameterMapEvent &event = (*i).second;
+			event.SetValue(inValue);
+		}
+	}
+}
+
+//_____________________________________________________________________________
+//
+void			AUElement::SetScheduledEvent(	AudioUnitParameterID 			paramID,
+												const AudioUnitParameterEvent 	&inEvent,
+												UInt32 							inSliceOffsetInBuffer,
+												UInt32							inSliceDurationFrames,
+												bool							okWhenInitialized )
+{
+	if(mUseIndexedParameters)
+	{
+		ParameterMapEvent &event = GetParamEvent(paramID);
+		event.SetScheduledEvent(inEvent, inSliceOffsetInBuffer, inSliceDurationFrames );
+	}
+	else
+	{
+		ParameterMap::iterator i = mParameters.find(paramID);
+
+		if (i == mParameters.end())
+		{
+			if (mAudioUnit->IsInitialized() && !okWhenInitialized) {
+				// The AU should not be creating new parameters once initialized.
+				// If a client tries to set an undefined parameter, we could throw as follows,
+				// but this might cause a regression. So it is better to just fail silently.
+				// COMPONENT_THROW(kAudioUnitErr_InvalidParameter);
+#if DEBUG
+				fprintf(stderr, "WARNING: %s SetScheduledEvent for undefined param ID %d while initialized. Ignoring..\n",
+								mAudioUnit->GetLoggingString(), (int)paramID);
+#endif
+			} else {
+				// create new entry in map for the paramID (only happens first time)
+				ParameterMapEvent event(inEvent, inSliceOffsetInBuffer, inSliceDurationFrames);
+				mParameters[paramID] = event;
+			}
+		}
+		else
+		{
+			// paramID already exists in map so simply change its value
+			ParameterMapEvent &event = (*i).second;
+
+			event.SetScheduledEvent(inEvent, inSliceOffsetInBuffer, inSliceDurationFrames );
+		}
+	}
+}
+
+
+
+//_____________________________________________________________________________
+//
+void			AUElement::GetParameterList(AudioUnitParameterID *outList)
+{
+	if(mUseIndexedParameters)
+	{
+		UInt32 nparams = static_cast<UInt32>(mIndexedParameters.size());
+		for (UInt32 i = 0; i < nparams; i++ )
+			*outList++ = (AudioUnitParameterID)i;
+	}
+	else
+	{
+		for (ParameterMap::iterator i = mParameters.begin(); i != mParameters.end(); ++i)
+			*outList++ = (*i).first;
+	}
+}
+
+//_____________________________________________________________________________
+//
+void			AUElement::SaveState(CFMutableDataRef data)
+{
+	if(mUseIndexedParameters)
+	{
+		UInt32 nparams = static_cast<UInt32>(mIndexedParameters.size());
+		UInt32 theData = CFSwapInt32HostToBig(nparams);
+		CFDataAppendBytes(data, (UInt8 *)&theData, sizeof(nparams));
+
+		for (UInt32 i = 0; i < nparams; i++)
+		{
+			struct {
+				UInt32				paramID;
+				//CFSwappedFloat32	value; crashes gcc3 PFE
+				UInt32				value;	// really a big-endian float
+			} entry;
+
+			entry.paramID = CFSwapInt32HostToBig(i);
+
+			AudioUnitParameterValue v = mIndexedParameters[i].GetValue();
+			entry.value = CFSwapInt32HostToBig(*(UInt32 *)&v );
+
+			CFDataAppendBytes(data, (UInt8 *)&entry, sizeof(entry));
+		}
+	}
+	else
+	{
+		UInt32 nparams = CFSwapInt32HostToBig(static_cast<uint32_t>(mParameters.size()));
+		CFDataAppendBytes(data, (UInt8 *)&nparams, sizeof(nparams));
+
+		for (ParameterMap::iterator i = mParameters.begin(); i != mParameters.end(); ++i) {
+			struct {
+				UInt32				paramID;
+				//CFSwappedFloat32	value; crashes gcc3 PFE
+				UInt32				value;	// really a big-endian float
+			} entry;
+
+			entry.paramID = CFSwapInt32HostToBig((*i).first);
+
+			AudioUnitParameterValue v = (*i).second.GetValue();
+			entry.value = CFSwapInt32HostToBig(*(UInt32 *)&v );
+
+			CFDataAppendBytes(data, (UInt8 *)&entry, sizeof(entry));
+		}
+	}
+}
+
+//_____________________________________________________________________________
+//
+const UInt8 *	AUElement::RestoreState(const UInt8 *state)
+{
+	union FloatInt32 { UInt32 i; AudioUnitParameterValue f; };
+	const UInt8 *p = state;
+	UInt32 nparams = CFSwapInt32BigToHost(*(UInt32 *)p);
+	p += sizeof(UInt32);
+
+	for (UInt32 i = 0; i < nparams; ++i) {
+		struct {
+			AudioUnitParameterID		paramID;
+			AudioUnitParameterValue		value;
+		} entry;
+
+		entry.paramID = CFSwapInt32BigToHost(*(UInt32 *)p);
+		p += sizeof(UInt32);
+		FloatInt32 temp;
+		temp.i = CFSwapInt32BigToHost(*(UInt32 *)p);
+		entry.value = temp.f;
+		p += sizeof(AudioUnitParameterValue);
+
+		SetParameter(entry.paramID, entry.value);
+	}
+	return p;
+}
+
+//_____________________________________________________________________________
+//
+void	AUElement::SetName (CFStringRef inName)
+{
+	if (mElementName) CFRelease (mElementName);
+	mElementName = inName;
+	if (mElementName) CFRetain (mElementName);
+}
+
+
+//_____________________________________________________________________________
+//
+AUIOElement::AUIOElement(AUBase *audioUnit) :
+	AUElement(audioUnit),
+	mWillAllocate (true)
+{
+	mStreamFormat.SetAUCanonical(2,	// stereo
+		audioUnit->AudioUnitAPIVersion() == 1);
+		// interleaved if API version 1, deinterleaved if version 2
+	mStreamFormat.mSampleRate = kAUDefaultSampleRate;
+}
+
+//_____________________________________________________________________________
+//
+OSStatus		AUIOElement::SetStreamFormat(const CAStreamBasicDescription &desc)
+{
+	mStreamFormat = desc;
+	return AUBase::noErr;
+}
+
+//_____________________________________________________________________________
+// inFramesToAllocate == 0 implies the AudioUnit's max-frames-per-slice will be used
+void			AUIOElement::AllocateBuffer(UInt32 inFramesToAllocate)
+{
+	if (GetAudioUnit()->HasBegunInitializing())
+	{
+		UInt32 framesToAllocate = inFramesToAllocate > 0 ? inFramesToAllocate : GetAudioUnit()->GetMaxFramesPerSlice();
+
+//		printf ("will allocate: %d\n", (int)((mWillAllocate && NeedsBufferSpace()) ? framesToAllocate : 0));
+
+		mIOBuffer.Allocate(mStreamFormat, (mWillAllocate && NeedsBufferSpace()) ? framesToAllocate : 0);
+	}
+}
+
+//_____________________________________________________________________________
+//
+void			AUIOElement::DeallocateBuffer()
+{
+	mIOBuffer.Deallocate();
+}
+
+//_____________________________________________________________________________
+//
+//		AudioChannelLayout support
+
+// outLayoutTagsPtr WILL be NULL if called to find out how many
+// layouts that Audio Unit will report
+// return 0 (ie. NO channel layouts) if the AU doesn't require channel layout knowledge
+UInt32		AUIOElement::GetChannelLayoutTags (AudioChannelLayoutTag		*outLayoutTagsPtr)
+{
+	return 0;
+}
+
+// As the AudioChannelLayout can be a variable length structure
+// (though in most cases it won't be!!!)
+// The size of the ACL is always returned by the method
+// if outMapPtr is NOT-NULL, then AU should copy into this pointer (outMapPtr) the current ACL that it has in use.
+// the AU should also return whether the property is writable (that is the client can provide any arbitrary ACL that the audio unit will then honour)
+// or if the property is read only - which is the generally preferred mode.
+// If the AU doesn't require an AudioChannelLayout, then just return 0.
+UInt32		AUIOElement::GetAudioChannelLayout (AudioChannelLayout		*outMapPtr,
+											Boolean				&outWritable)
+{
+	return 0;
+}
+
+// the incoming channel map will be at least as big as a basic AudioChannelLayout
+// but its contents will determine its actual size
+// Subclass should overide if channel map is writable
+OSStatus	AUIOElement::SetAudioChannelLayout (const AudioChannelLayout &inData)
+{
+	return kAudioUnitErr_InvalidProperty;
+}
+
+// Some units support optional usage of channel maps - typically converter units
+// that can do channel remapping between different maps. In that optional case
+// the user should be able to remove a channel map if that is possible.
+// Typically this is NOT the case (e.g., the 3DMixer even in the stereo case
+// needs to know if it is rendering to speakers or headphones)
+OSStatus	AUIOElement::RemoveAudioChannelLayout ()
+{
+	return kAudioUnitErr_InvalidPropertyValue;
+}
+
+
+//_____________________________________________________________________________
+//
+AUScope::~AUScope()
+{
+	for (ElementVector::iterator it = mElements.begin(); it != mElements.end(); ++it)
+		delete *it;
+}
+
+//_____________________________________________________________________________
+//
+void	AUScope::SetNumberOfElements(UInt32 numElements)
+{
+	if (mDelegate)
+		return mDelegate->SetNumberOfElements(numElements);
+
+	if (numElements > mElements.size()) {
+		mElements.reserve(numElements);
+		while (numElements > mElements.size()) {
+			AUElement *elem = mCreator->CreateElement(GetScope(), static_cast<UInt32>(mElements.size()));
+			mElements.push_back(elem);
+		}
+	} else
+		while (numElements < mElements.size()) {
+			AUElement *elem = mElements.back();
+			mElements.pop_back();
+			delete elem;
+		}
+}
+
+//_____________________________________________________________________________
+//
+bool	AUScope::HasElementWithName () const
+{
+	for (UInt32 i = 0; i < GetNumberOfElements(); ++i) {
+		AUElement *	el = const_cast<AUScope*>(this)->GetElement (i);
+		if (el && el->HasName()) {
+			return true;
+		}
+	}
+	return false;
+}
+
+//_____________________________________________________________________________
+//
+
+void	AUScope::AddElementNamesToDict (CFMutableDictionaryRef & inNameDict)
+{
+	if (HasElementWithName())
+	{
+		static char string[32];
+		CFMutableDictionaryRef elementDict = CFDictionaryCreateMutable	(NULL, 0,
+								&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+		CFStringRef str;
+		for (UInt32 i = 0; i < GetNumberOfElements(); ++i) {
+			AUElement *	el = GetElement (i);
+			if (el && el->HasName()) {
+				snprintf (string, sizeof(string), "%d", int(i));
+				str = CFStringCreateWithCString (NULL, string, kCFStringEncodingASCII);
+				CFDictionarySetValue (elementDict, str, el->GetName());
+				CFRelease (str);
+			}
+		}
+
+		snprintf (string, sizeof(string), "%d", int(mScope));
+		str = CFStringCreateWithCString (NULL, string, kCFStringEncodingASCII);
+		CFDictionarySetValue (inNameDict, str, elementDict);
+		CFRelease (str);
+		CFRelease (elementDict);
+	}
+}
+
+//_____________________________________________________________________________
+//
+bool	AUScope::RestoreElementNames (CFDictionaryRef& inNameDict)
+{
+	static char string[32];
+
+	//first we have to see if we have enough elements
+	bool didAddElements = false;
+	unsigned int maxElNum = GetNumberOfElements();
+
+	int dictSize = static_cast<int>(CFDictionaryGetCount(inNameDict));
+	CFStringRef * keys = (CFStringRef*)CA_malloc (dictSize * sizeof (CFStringRef));
+	CFDictionaryGetKeysAndValues (inNameDict, reinterpret_cast<const void**>(keys), NULL);
+	for (int i = 0; i < dictSize; i++)
+	{
+		unsigned int intKey = 0;
+		CFStringGetCString (keys[i], string, 32, kCFStringEncodingASCII);
+		int result = sscanf (string, "%u", &intKey);
+        // check if sscanf succeeded and element index is less than max elements.
+		if (result && UInt32(intKey) < maxElNum)
+        {
+            CFStringRef elName = reinterpret_cast<CFStringRef>(CFDictionaryGetValue (inNameDict,  keys[i]));
+            AUElement* element = GetElement (intKey);
+            if (element)
+                element->SetName (elName);
+        }
+	}
+	free (keys);
+
+	return didAddElements;
+}
+
+void    AUScope::SaveState(CFMutableDataRef data)
+{
+    AudioUnitElement nElems = GetNumberOfElements();
+    for (AudioUnitElement ielem = 0; ielem < nElems; ++ielem) {
+        AUElement *element = GetElement(ielem);
+        UInt32 nparams = element->GetNumberOfParameters();
+        if (nparams > 0) {
+            struct {
+                UInt32	scope;
+                UInt32	element;
+            } hdr;
+
+            hdr.scope = CFSwapInt32HostToBig(GetScope());
+            hdr.element = CFSwapInt32HostToBig(ielem);
+            CFDataAppendBytes(data, (UInt8 *)&hdr, sizeof(hdr));
+
+            element->SaveState(data);
+        }
+    }
+}
+
+const UInt8 *	AUScope::RestoreState(const UInt8 *state)
+{
+    const UInt8 *p = state;
+    UInt32 elementIdx = CFSwapInt32BigToHost(*(UInt32 *)p);	p += sizeof(UInt32);
+    AUElement *element = GetElement(elementIdx);
+    if (!element) {
+        struct {
+            AudioUnitParameterID		paramID;
+            AudioUnitParameterValue		value;
+        } entry;
+        UInt32 nparams = CFSwapInt32BigToHost(*(UInt32 *)p);
+        p += sizeof(UInt32);
+
+        p += nparams * sizeof(entry);
+    } else
+        p = element->RestoreState(p);
+
+    return p;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUScopeElement.h

@@ -0,0 +1,553 @@
+/*
+     File: AUScopeElement.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUScopeElement_h__
+#define __AUScopeElement_h__
+
+#include <map>
+#include <vector>
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <AudioUnit/AudioUnit.h>
+#else
+	#include <AudioUnit.h>
+#endif
+#include "ComponentBase.h"
+#include "AUBuffer.h"
+
+
+class AUBase;
+
+// ____________________________________________________________________________
+//
+// represents a parameter's value (either constant or ramped)
+/*! @class ParameterMapEvent */
+class ParameterMapEvent
+{
+public:
+/*! @ctor ParameterMapEvent */
+	ParameterMapEvent()
+		: mEventType(kParameterEvent_Immediate), mBufferOffset(0), mDurationInFrames(0), mValue1(0.0f), mValue2(0.0f), mSliceDurationFrames(0)
+		{}
+
+/*! @ctor ParameterMapEvent */
+	ParameterMapEvent(AudioUnitParameterValue inValue)
+		: mEventType(kParameterEvent_Immediate), mBufferOffset(0), mDurationInFrames(0), mValue1(inValue), mValue2(inValue), mSliceDurationFrames(0)
+		{}
+
+	// constructor for scheduled event
+/*! @ctor ParameterMapEvent */
+	ParameterMapEvent(	const AudioUnitParameterEvent 	&inEvent,
+						UInt32 							inSliceOffsetInBuffer,
+						UInt32							inSliceDurationFrames )
+	{
+		SetScheduledEvent(inEvent, inSliceOffsetInBuffer, inSliceDurationFrames );
+	};
+
+/*! @method SetScheduledEvent */
+	void SetScheduledEvent(	const AudioUnitParameterEvent 	&inEvent,
+							UInt32 							inSliceOffsetInBuffer,
+							UInt32							inSliceDurationFrames )
+	{
+		mEventType = inEvent.eventType;
+		mSliceDurationFrames = inSliceDurationFrames;
+
+		if(mEventType == kParameterEvent_Immediate )
+		{
+			// constant immediate value for the whole slice
+			mValue1 = inEvent.eventValues.immediate.value;
+			mValue2 = mValue1;
+			mDurationInFrames = inSliceDurationFrames;
+			mBufferOffset = 0;
+		}
+		else
+		{
+			mDurationInFrames 	= 	inEvent.eventValues.ramp.durationInFrames;
+			mBufferOffset 		= 	inEvent.eventValues.ramp.startBufferOffset - inSliceOffsetInBuffer;	// shift over for this slice
+			mValue1 			= 	inEvent.eventValues.ramp.startValue;
+			mValue2 			= 	inEvent.eventValues.ramp.endValue;
+		}
+	};
+
+
+
+/*! @method GetEventType */
+	AUParameterEventType		GetEventType() const {return mEventType;};
+
+/*! @method GetValue */
+	AudioUnitParameterValue		GetValue() const {return mValue1;};	// only valid if immediate event type
+/*! @method GetEndValue */
+	AudioUnitParameterValue		GetEndValue() const {return mValue2;};	// only valid if immediate event type
+/*! @method SetValue */
+	void						SetValue(AudioUnitParameterValue inValue)
+								{
+									mEventType = kParameterEvent_Immediate;
+									mValue1 = inValue;
+									mValue2 = inValue;
+								}
+
+	// interpolates the start and end values corresponding to the current processing slice
+	// most ramp parameter implementations will want to use this method
+	// the start value will correspond to the start of the slice
+	// the end value will correspond to the end of the slice
+/*! @method GetRampSliceStartEnd */
+	void					GetRampSliceStartEnd(	AudioUnitParameterValue &	outStartValue,
+													AudioUnitParameterValue &	outEndValue,
+													AudioUnitParameterValue &	outValuePerFrameDelta )
+	{
+		if (mEventType == kParameterEvent_Ramped) {
+			outValuePerFrameDelta = (mValue2 - mValue1) / mDurationInFrames;
+
+			outStartValue = mValue1 + outValuePerFrameDelta * (-mBufferOffset);	// corresponds to frame 0 of this slice
+			outEndValue = outStartValue +  outValuePerFrameDelta * mSliceDurationFrames;
+		} else {
+			outValuePerFrameDelta = 0;
+			outStartValue = outEndValue = mValue1;
+		}
+	};
+
+	// Some ramp parameter implementations will want to interpret the ramp using their
+	// own interpolation method (perhaps non-linear)
+	// This method gives the raw ramp information, relative to this processing slice
+	// for the client to interpret as desired
+/*! @method GetRampInfo */
+	void					GetRampInfo(	SInt32 	&					outBufferOffset,
+											UInt32 	&					outDurationInFrames,
+											AudioUnitParameterValue &	outStartValue,
+											AudioUnitParameterValue &	outEndValue )
+	{
+		outBufferOffset = mBufferOffset;
+		outDurationInFrames = mDurationInFrames;
+		outStartValue = mValue1;
+		outEndValue = mValue2;
+	};
+
+#if DEBUG
+	void					Print()
+	{
+		printf("ParameterEvent @ %p\n", this);
+		printf("	mEventType = %d\n", (int)mEventType);
+		printf("	mBufferOffset = %d\n", (int)mBufferOffset);
+		printf("	mDurationInFrames = %d\n", (int)mDurationInFrames);
+		printf("	mSliceDurationFrames = %d\n", (int)mSliceDurationFrames);
+		printf("	mValue1 = %.5f\n", mValue1);
+		printf("	mValue2 = %.5f\n", mValue2);
+	}
+#endif
+
+private:
+	AUParameterEventType		mEventType;
+
+	SInt32						mBufferOffset;		// ramp start offset relative to start of this slice (may be negative)
+	UInt32						mDurationInFrames;	// total duration of ramp parameter
+	AudioUnitParameterValue     mValue1;				// value if immediate : startValue if ramp
+	AudioUnitParameterValue		mValue2;				// endValue (only used for ramp)
+
+	UInt32					mSliceDurationFrames;	// duration of this processing slice
+};
+
+
+
+// ____________________________________________________________________________
+//
+class AUIOElement;
+
+/*! @class AUElement */
+class AUElement {
+public:
+/*! @ctor AUElement */
+								AUElement(AUBase *audioUnit) : mAudioUnit(audioUnit),
+									mUseIndexedParameters(false), mElementName(0) { }
+
+/*! @dtor ~AUElement */
+	virtual						~AUElement() { if (mElementName) CFRelease (mElementName); }
+
+/*! @method GetNumberOfParameters */
+	virtual UInt32				GetNumberOfParameters()
+	{
+		if(mUseIndexedParameters) return static_cast<UInt32>(mIndexedParameters.size()); else return static_cast<UInt32>(mParameters.size());
+	}
+/*! @method GetParameterList */
+	virtual void				GetParameterList(AudioUnitParameterID *outList);
+/*! @method HasParameterID */
+	bool						HasParameterID (AudioUnitParameterID paramID) const;
+
+/*! @method GetParameter */
+	AudioUnitParameterValue		GetParameter(AudioUnitParameterID paramID);
+/*! @method SetParameter */
+	void						SetParameter(AudioUnitParameterID paramID, AudioUnitParameterValue value, bool okWhenInitialized = false);
+	// Only set okWhenInitialized to true when you know the outside world cannot access this element. Otherwise the parameter map could get corrupted.
+
+	// interpolates the start and end values corresponding to the current processing slice
+	// most ramp parameter implementations will want to use this method
+/*! @method GetRampSliceStartEnd */
+	void						GetRampSliceStartEnd(	AudioUnitParameterID	paramID,
+													AudioUnitParameterValue &	outStartValue,
+													AudioUnitParameterValue &	outEndValue,
+													AudioUnitParameterValue &	outValuePerFrameDelta );
+
+/*! @method GetEndValue */
+	AudioUnitParameterValue		GetEndValue(	AudioUnitParameterID		paramID);
+
+/*! @method SetRampParameter */
+	void						SetScheduledEvent(	AudioUnitParameterID 			paramID,
+													const AudioUnitParameterEvent 	&inEvent,
+													UInt32 							inSliceOffsetInBuffer,
+													UInt32							inSliceDurationFrames,
+													bool							okWhenInitialized = false );
+	// Only set okWhenInitialized to true when you know the outside world cannot access this element. Otherwise the parameter map could get corrupted.
+
+
+/*! @method GetAudioUnit */
+	AUBase *					GetAudioUnit() const { return mAudioUnit; };
+
+/*! @method SaveState */
+	void						SaveState(CFMutableDataRef data);
+/*! @method RestoreState */
+	const UInt8 *				RestoreState(const UInt8 *state);
+/*! @method GetName */
+	CFStringRef					GetName () const { return mElementName; }
+/*! @method SetName */
+	void						SetName (CFStringRef inName);
+/*! @method HasName */
+	bool						HasName () const { return mElementName != 0; }
+/*! @method UseIndexedParameters */
+	virtual void				UseIndexedParameters(int inNumberOfParameters);
+
+/*! @method AsIOElement*/
+	virtual AUIOElement*		AsIOElement () { return NULL; }
+
+protected:
+	inline ParameterMapEvent&	GetParamEvent(AudioUnitParameterID paramID);
+
+private:
+	typedef std::map<AudioUnitParameterID, ParameterMapEvent, std::less<AudioUnitParameterID> > ParameterMap;
+
+/*! @var mAudioUnit */
+	AUBase *						mAudioUnit;
+/*! @var mParameters */
+	ParameterMap					mParameters;
+
+/*! @var mUseIndexedParameters */
+	bool							mUseIndexedParameters;
+/*! @var mIndexedParameters */
+	std::vector<ParameterMapEvent>	mIndexedParameters;
+
+/*! @var mElementName */
+	CFStringRef						mElementName;
+};
+
+
+
+// ____________________________________________________________________________
+//
+/*! @class AUIOElement */
+class AUIOElement : public AUElement {
+public:
+/*! @ctor AUIOElement */
+								AUIOElement(AUBase *audioUnit);
+
+/*! @method GetStreamFormat */
+	const CAStreamBasicDescription &GetStreamFormat() const { return mStreamFormat; }
+
+/*! @method SetStreamFormat */
+	virtual OSStatus			SetStreamFormat(const CAStreamBasicDescription &desc);
+
+/*! @method AllocateBuffer */
+	virtual void				AllocateBuffer(UInt32 inFramesToAllocate = 0);
+/*! @method DeallocateBuffer */
+	void						DeallocateBuffer();
+/*! @method NeedsBufferSpace */
+	virtual bool				NeedsBufferSpace() const = 0;
+
+/*! @method SetWillAllocateBuffer */
+	void						SetWillAllocateBuffer(bool inFlag) {
+									mWillAllocate = inFlag;
+								}
+/*! @method WillAllocateBuffer */
+	bool						WillAllocateBuffer() const {
+									return mWillAllocate;
+								}
+
+/*! @method UseExternalBuffer */
+	void						UseExternalBuffer(const AudioUnitExternalBuffer &buf) {
+									mIOBuffer.UseExternalBuffer(mStreamFormat, buf);
+								}
+/*! @method PrepareBuffer */
+	AudioBufferList &			PrepareBuffer(UInt32 nFrames) {
+									if (mWillAllocate)
+										return mIOBuffer.PrepareBuffer(mStreamFormat, nFrames);
+									throw OSStatus(kAudioUnitErr_InvalidPropertyValue);
+								}
+/*! @method PrepareNullBuffer */
+	AudioBufferList &			PrepareNullBuffer(UInt32 nFrames) {
+									return mIOBuffer.PrepareNullBuffer(mStreamFormat, nFrames);
+								}
+/*! @method SetBufferList */
+	AudioBufferList &			SetBufferList(AudioBufferList &abl) { return mIOBuffer.SetBufferList(abl); }
+/*! @method SetBuffer */
+	void						SetBuffer(UInt32 index, AudioBuffer &ab) { mIOBuffer.SetBuffer(index, ab); }
+/*! @method InvalidateBufferList */
+	void						InvalidateBufferList() { mIOBuffer.InvalidateBufferList(); }
+
+/*! @method GetBufferList */
+	AudioBufferList &			GetBufferList() const { return mIOBuffer.GetBufferList(); }
+
+/*! @method GetChannelData */
+	AudioUnitSampleType *		GetChannelData(int ch) const {
+									if (mStreamFormat.IsInterleaved())
+										return static_cast<AudioUnitSampleType *>(mIOBuffer.GetBufferList().mBuffers[0].mData) + ch;
+									else
+										return static_cast<AudioUnitSampleType *>(mIOBuffer.GetBufferList().mBuffers[ch].mData);
+								}
+	Float32 *					GetFloat32ChannelData(int ch) const {
+									if (mStreamFormat.IsInterleaved())
+										return static_cast<Float32 *>(mIOBuffer.GetBufferList().mBuffers[0].mData) + ch;
+									else
+										return static_cast<Float32 *>(mIOBuffer.GetBufferList().mBuffers[ch].mData);
+								}
+	SInt32 *					GetSInt32ChannelData(int ch) const {
+									if (mStreamFormat.IsInterleaved())
+										return static_cast<SInt32 *>(mIOBuffer.GetBufferList().mBuffers[0].mData) + ch;
+									else
+										return static_cast<SInt32 *>(mIOBuffer.GetBufferList().mBuffers[ch].mData);
+								}
+	SInt16 *					GetInt16ChannelData(int ch) const {
+									if (mStreamFormat.IsInterleaved())
+										return static_cast<SInt16 *>(mIOBuffer.GetBufferList().mBuffers[0].mData) + ch;
+									else
+										return static_cast<SInt16 *>(mIOBuffer.GetBufferList().mBuffers[ch].mData);
+								}
+
+/*! @method CopyBufferListTo */
+	void						CopyBufferListTo(AudioBufferList &abl) const {
+									mIOBuffer.CopyBufferListTo(abl);
+								}
+/*! @method CopyBufferContentsTo */
+	void						CopyBufferContentsTo(AudioBufferList &abl) const {
+									mIOBuffer.CopyBufferContentsTo(abl);
+								}
+
+/*	UInt32						BytesToFrames(UInt32 nBytes) { return nBytes / mStreamFormat.mBytesPerFrame; }
+	UInt32						BytesToFrames(AudioBufferList &abl) {
+									return BytesToFrames(abl.mBuffers[0].mDataByteSize);
+								}
+	UInt32						FramesToBytes(UInt32 nFrames) { return nFrames * mStreamFormat.mBytesPerFrame; }*/
+
+/*! @method IsInterleaved */
+	bool						IsInterleaved() const { return mStreamFormat.IsInterleaved(); }
+/*! @method NumberChannels */
+	UInt32						NumberChannels() const { return mStreamFormat.NumberChannels(); }
+/*! @method NumberInterleavedChannels */
+	UInt32						NumberInterleavedChannels() const { return mStreamFormat.NumberInterleavedChannels(); }
+
+/*! @method GetChannelMapTags */
+	virtual UInt32				GetChannelLayoutTags (AudioChannelLayoutTag	*outLayoutTagsPtr);
+
+/*! @method GetAudioChannelLayout */
+	virtual UInt32				GetAudioChannelLayout (AudioChannelLayout	*outMapPtr, Boolean	&outWritable);
+
+/*! @method SetAudioChannelLayout */
+	virtual OSStatus			SetAudioChannelLayout (const AudioChannelLayout &inData);
+
+/*! @method RemoveAudioChannelLayout */
+	virtual OSStatus			RemoveAudioChannelLayout ();
+
+/*! @method AsIOElement*/
+	virtual AUIOElement*		AsIOElement () { return this; }
+
+protected:
+/*! @var mStreamFormat */
+	CAStreamBasicDescription	mStreamFormat;
+/*! @var mIOBuffer */
+	AUBufferList				mIOBuffer;	// for input: input proc buffer, only allocated when needed
+											// for output: output cache, usually allocated early on
+/*! @var mWillAllocate */
+	bool						mWillAllocate;
+};
+
+// ____________________________________________________________________________
+//
+// AUScopeDelegates are a way to get virtual scopes.
+/*! @class AUScopeDelegate */
+class AUScopeDelegate {
+public:
+/*! @ctor AUScopeDelegate */
+					AUScopeDelegate() : mCreator(NULL), mScope(0) { }
+/*! @dtor ~AUScopeDelegate */
+					virtual ~AUScopeDelegate() {}
+
+/*! @method Initialize */
+	void					Initialize(	AUBase *creator,
+										AudioUnitScope scope,
+										UInt32 numElements)
+	{
+		mCreator = creator;
+		mScope = scope;
+		SetNumberOfElements(numElements);
+	}
+
+/*! @method SetNumberOfElements */
+	virtual void			SetNumberOfElements(UInt32 numElements) = 0;
+
+/*! @method GetNumberOfElements */
+	virtual UInt32			GetNumberOfElements()	 = 0;
+
+/*! @method GetElement */
+	virtual AUElement *		GetElement(UInt32 elementIndex) = 0;
+
+	AUBase *			GetCreator() const { return mCreator; }
+	AudioUnitScope		GetScope() const { return mScope; }
+
+
+private:
+/*! @var mCreator */
+	AUBase *					mCreator;
+/*! @var mScope */
+	AudioUnitScope				mScope;
+};
+
+
+
+// ____________________________________________________________________________
+//
+/*! @class AUScope */
+class AUScope {
+public:
+/*! @ctor AUScope */
+					AUScope() : mCreator(NULL), mScope(0), mDelegate(0) { }
+/*! @dtor ~AUScope */
+					~AUScope();
+
+/*! @method Initialize */
+	void			Initialize(AUBase *creator,
+								AudioUnitScope scope,
+								UInt32 numElements)
+	{
+		mCreator = creator;
+		mScope = scope;
+
+		if (mDelegate)
+			return mDelegate->Initialize(creator, scope, numElements);
+
+		SetNumberOfElements(numElements);
+	}
+
+/*! @method SetNumberOfElements */
+	void			SetNumberOfElements(UInt32 numElements);
+
+/*! @method GetNumberOfElements */
+	UInt32			GetNumberOfElements()	const
+	{
+		if (mDelegate)
+			return mDelegate->GetNumberOfElements();
+
+		return static_cast<UInt32>(mElements.size());
+	}
+
+/*! @method GetElement */
+	AUElement *		GetElement(UInt32 elementIndex) const
+	{
+		if (mDelegate)
+			return mDelegate->GetElement(elementIndex);
+
+		ElementVector::const_iterator i = mElements.begin() + elementIndex;
+			// catch passing -1 in as the elementIndex - causes a wrap around
+		return (i >= mElements.end() || i < mElements.begin()) ? NULL : *i;
+	}
+
+/*! @method SafeGetElement */
+	AUElement *		SafeGetElement(UInt32 elementIndex)
+	{
+		AUElement *element = GetElement(elementIndex);
+		if (element == NULL)
+			COMPONENT_THROW(kAudioUnitErr_InvalidElement);
+		return element;
+	}
+
+/*! @method GetIOElement */
+	AUIOElement *	GetIOElement(UInt32 elementIndex) const
+	{
+		AUElement *element = GetElement(elementIndex);
+		AUIOElement *ioel = element ? element->AsIOElement () : NULL;
+		if (!ioel)
+			COMPONENT_THROW (kAudioUnitErr_InvalidElement);
+		return ioel;
+	}
+
+/*! @method HasElementWithName */
+	bool			HasElementWithName () const;
+
+/*! @method AddElementNamesToDict */
+	void			AddElementNamesToDict (CFMutableDictionaryRef & inNameDict);
+
+	bool			RestoreElementNames (CFDictionaryRef& inNameDict);
+
+	AudioUnitScope		GetScope() const { return mScope; }
+
+	void SetDelegate(AUScopeDelegate* inDelegate) { mDelegate = inDelegate; }
+
+/*! @method SaveState */
+    void            SaveState(CFMutableDataRef data);
+
+/*! @method RestoreState */
+    const UInt8 *	RestoreState(const UInt8 *state);
+
+private:
+	typedef std::vector<AUElement *> ElementVector;
+/*! @var mCreator */
+	AUBase *					mCreator;
+/*! @var mScope */
+	AudioUnitScope				mScope;
+/*! @var mElements */
+	ElementVector				mElements;
+/*! @var mDelegate */
+	AUScopeDelegate *			mDelegate;
+};
+
+
+
+#endif // __AUScopeElement_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUSilentTimeout.h

@@ -0,0 +1,93 @@
+/*
+     File: AUSilentTimeout.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUSilentTimeout
+#define __AUSilentTimeout
+
+class AUSilentTimeout
+{
+public:
+	AUSilentTimeout()
+		: 	mTimeoutCounter(0),
+			mResetTimer(true)
+				{};
+
+	void				Process(UInt32 inFramesToProcess, UInt32 inTimeoutLimit, bool &ioSilence )
+	{
+		if(ioSilence )
+		{
+			if(mResetTimer )
+			{
+				mTimeoutCounter = inTimeoutLimit;
+				mResetTimer = false;
+			}
+
+			if(mTimeoutCounter > 0 )
+			{
+				mTimeoutCounter -= inFramesToProcess;
+				ioSilence = false;
+			}
+		}
+		else
+		{
+			// signal to reset the next time we receive silence
+			mResetTimer = true;
+		}
+	}
+
+	void				Reset()
+	{
+		mResetTimer = true;
+	};
+
+
+
+private:
+	SInt32				mTimeoutCounter;
+	bool				mResetTimer;
+};
+
+#endif // __AUSilentTimeout

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUTimestampGenerator.h

@@ -0,0 +1,163 @@
+/*
+     File: AUTimestampGenerator.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUTimestampGenerator_h__
+#define __AUTimestampGenerator_h__
+
+#include <math.h>
+#include "CAHostTimeBase.h"
+#include <stdio.h>
+
+#define TSGFMT "0x%10qx"
+//#define TSGFMT "%10qd"
+
+// This class generates a continuously increasing series of timestamps based
+// on a series of potentially discontinuous timestamps (as can be delivered from
+// CoreAudio in the event of an overload or major engine change).
+// N.B.: "output" = downstream (source) timestamp
+//		 "input"  = upstream (derived) timestamp
+class AUTimestampGenerator {
+public:
+	AUTimestampGenerator(bool hostTimeDiscontinuityCorrection = false)
+	{
+		mState.mStartInputAtZero = true;
+		mState.mBypassed = false;
+		mState.mHostTimeDiscontinuityCorrection = hostTimeDiscontinuityCorrection;
+#if DEBUG
+		mVerbosity = 0;
+		snprintf(mDebugName, sizeof(mDebugName), "tsg @ %p", this);
+#endif
+		// CAHostTimeBase should be used instead of the calls in <CoreAudio/HostTime.h>
+		// we make this call here to ensure that this is initialized, otherwise the first time
+		// you do actually call CAHostTimeBase to do work, can be on the render thread, and lead to unwanted VM faults
+		CAHostTimeBase::GetFrequency();
+		Reset();
+	}
+
+	void	SetStartInputAtZero(bool b) { mState.mStartInputAtZero = b; }
+	bool	GetStartInputAtZero() const { return mState.mStartInputAtZero; }
+
+	// bypassing is intended for a narrow special case. the upstream sample time will always be the same as the downstream time.
+	void	SetBypassed(bool b) { mState.mBypassed = b; }
+	bool	GetBypassed() const { return mState.mBypassed; }
+
+	// Call this to reset the timeline.
+	void	Reset()
+	{
+		mState.mCurrentInputTime.mSampleTime = 0.;
+		mState.mNextInputSampleTime = 0.;
+		mState.mCurrentOutputTime.mSampleTime = 0.;
+		mState.mNextOutputSampleTime = 0.;
+		mState.mLastOutputTime.mFlags = 0;
+		mState.mRateScalarAdj = 1.;
+
+		mFirstTime = true;
+#if DEBUG
+		if (mVerbosity)
+			printf("%-20.20s: Reset\n", mDebugName);
+#endif
+	}
+
+	// Call this once per render cycle with the downstream timestamp.
+	// expectedDeltaFrames is the expected difference between the current and NEXT
+	//	downstream timestamps.
+	// sampleRate is the OUTPUT sample rate.
+	void	AddOutputTime(const AudioTimeStamp &inTimeStamp, Float64 expectedDeltaFrames, double outputSampleRate, double rateScalarAdj=1.0);
+
+	// Call this once per render cycle to obtain the upstream timestamp.
+	// framesToAdvance is the number of frames the input timeline is to be
+	//	advanced during this render cycle.
+	// sampleRate is the INPUT sample rate.
+	const AudioTimeStamp &	GenerateInputTime(Float64 framesToAdvance, double inputSampleRate, bool advanceHostTime = false);
+
+	// this can be called to override the setting of the next input sample time in GenerateInputTime
+	void					Advance(Float64 framesToAdvance)
+	{
+#if DEBUG
+		if (mVerbosity > 1)
+			printf("%-20.20s:	ADVANCE         in = " TSGFMT "                    advance = " TSGFMT "\n", mDebugName, (SInt64)mState.mCurrentInputTime.mSampleTime, (SInt64)framesToAdvance);
+#endif
+		mState.mNextInputSampleTime = mState.mCurrentInputTime.mSampleTime + framesToAdvance;
+	}
+
+	struct State {
+		AudioTimeStamp		mCurrentInputTime;
+		Float64				mNextInputSampleTime;
+		Float64				mNextOutputSampleTime;
+		Float64				mInputSampleTimeForOutputPull;
+
+		AudioTimeStamp		mLastOutputTime;
+		AudioTimeStamp		mCurrentOutputTime;
+
+		bool				mStartInputAtZero;  // if true, input timeline starts at 0, else it starts
+												// synced with the output timeline
+		bool				mDiscontinuous;
+		bool				mBypassed;
+		Float64				mDiscontinuityDeltaSamples;
+
+		double				mRateScalarAdj;
+
+		bool				mHostTimeDiscontinuityCorrection; // If true, propagate timestamp discontinuities using host time.
+	};
+
+	void GetState(State& outState) const { outState = mState; }
+	void SetState(State const& inState) { mState = inState; mFirstTime = false; }
+
+private:
+
+	struct State		mState;
+
+	bool				mFirstTime;
+
+#if DEBUG
+public:
+	int					mVerbosity;
+	char				mDebugName[64];
+#endif
+};
+
+
+#endif // __AUTimestampGenerator_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUViewLocalizedStringKeys.h

@@ -0,0 +1,88 @@
+/*
+     File: AUViewLocalizedStringKeys.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __AUViewLocalizedStringKeys_h__
+#define __AUViewLocalizedStringKeys_h__
+
+// ACCESS POINT:
+#define	kLocalizedStringBundle_AUView 		CFSTR("com.apple.audio.units.Components")
+#define	kLocalizedStringTable_AUView 		CFSTR("CustomUI")
+
+// UNLOCALIZED STRINGS:
+    #define	kAUViewUnlocalizedString_TitleSeparator  			CFSTR(": ")
+
+// Generic View:
+    #define	kAUViewLocalizedStringKey_AudioUnit 				CFSTR("Audio Unit")
+    #define	kAUViewLocalizedStringKey_Manufacturer 			CFSTR("Manufacturer")
+
+    #define	kAUViewLocalizedStringKey_FactoryPreset 			CFSTR("Factory Preset")
+
+    #define	kAUViewLocalizedStringKey_Properties 				CFSTR("Properties")
+    #define	kAUViewLocalizedStringKey_Parameters 				CFSTR("Parameters")
+
+    #define	kAUViewLocalizedStringKey_Standard 				CFSTR("Standard")
+    #define	kAUViewLocalizedStringKey_Expert 					CFSTR("Expert")
+
+// AULoadCPU:
+    #define	kAUViewLocalizedStringKey_RestrictCPULoad 			CFSTR("Restrict CPU Load")
+    #define	kAUViewLocalizedStringKey_PercentSymbol 			CFSTR("%")
+    #define	kAUViewLocalizedStringKey_NotApplicable 			CFSTR("n/a")
+
+// AUDiskStreamingCheckbox:
+    #define	kAUViewLocalizedStringKey_StreamFromDisk 			CFSTR("Stream From Disk")
+
+// AURenderQualityPopup:
+    #define	kAUViewLocalizedStringKey_RenderQuality 			CFSTR("Render Quality")
+    #define	kAUViewLocalizedStringKey_Maximum 					CFSTR("Maximum")
+    #define	kAUViewLocalizedStringKey_High 					CFSTR("High")
+    #define	kAUViewLocalizedStringKey_Medium 					CFSTR("Medium")
+    #define	kAUViewLocalizedStringKey_Low 						CFSTR("Low")
+    #define	kAUViewLocalizedStringKey_Minimum 					CFSTR("Minimum")
+
+// AUChannelLayoutPopUp:
+	#define	kAUViewLocalizedStringKey_AudioChannelLayout 		CFSTR("Audio Channel Layout")
+
+#endif //__AUViewLocalizedStringKeys_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAUParameter.cpp

@@ -0,0 +1,400 @@
+/*
+     File: CAAUParameter.cpp
+ Abstract: CAAUParameter.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 "CAAUParameter.h"
+
+CAAUParameter::CAAUParameter()
+{
+	memset(this, 0, sizeof(CAAUParameter));
+}
+
+CAAUParameter::CAAUParameter(AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element)
+{
+	memset(this, 0, sizeof(CAAUParameter));
+	Init (au, param, scope, element);
+}
+
+CAAUParameter::CAAUParameter (AudioUnitParameter &inParam)
+{
+	memset(this, 0, sizeof(CAAUParameter));
+	Init (inParam.mAudioUnit, inParam.mParameterID, inParam.mScope, inParam.mElement);
+}
+
+CAAUParameter::CAAUParameter(const CAAUParameter &a)
+{
+	memset(this, 0, sizeof(CAAUParameter));
+	*this = a;
+}
+
+CAAUParameter &	CAAUParameter::operator = (const CAAUParameter &a)
+{
+	if (mParamName) CFRelease(mParamName);
+	if (mParamTag) CFRelease(mParamTag);
+	if (mNamedParams) CFRelease(mNamedParams);
+
+	memcpy(this, &a, sizeof(CAAUParameter));
+
+	if (mParamName) CFRetain(mParamName);
+	if (mParamTag) CFRetain(mParamTag);
+	if (mNamedParams) CFRetain(mNamedParams);
+
+	return *this;
+}
+
+CAAUParameter::~CAAUParameter()
+{
+	if (mParamName) CFRelease(mParamName);
+	if (mParamTag) CFRelease(mParamTag);
+	if (mNamedParams) CFRelease (mNamedParams);
+}
+
+void		CAAUParameter::Init (AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element)
+{
+	mAudioUnit = au;
+	mParameterID = param;
+	mScope = scope;
+	mElement = element;
+
+	UInt32 propertySize = sizeof(mParamInfo);
+	OSStatus err = AudioUnitGetProperty(au, kAudioUnitProperty_ParameterInfo,
+			scope, param, &mParamInfo, &propertySize);
+	if (err)
+		memset(&mParamInfo, 0, sizeof(mParamInfo));
+	if (mParamInfo.flags & kAudioUnitParameterFlag_HasCFNameString) {
+		mParamName = mParamInfo.cfNameString;
+		if (!(mParamInfo.flags & kAudioUnitParameterFlag_CFNameRelease))
+			CFRetain (mParamName);
+	} else
+		mParamName = CFStringCreateWithCString(NULL, mParamInfo.name, kCFStringEncodingUTF8);
+
+	const char* str = 0;
+	switch (mParamInfo.unit)
+	{
+		case kAudioUnitParameterUnit_Boolean:
+			str = "T/F";
+			break;
+		case kAudioUnitParameterUnit_Percent:
+		case kAudioUnitParameterUnit_EqualPowerCrossfade:
+			str = "%";
+			break;
+		case kAudioUnitParameterUnit_Seconds:
+			str = "Secs";
+			break;
+		case kAudioUnitParameterUnit_SampleFrames:
+			str = "Samps";
+			break;
+		case kAudioUnitParameterUnit_Phase:
+		case kAudioUnitParameterUnit_Degrees:
+			str = "Degr.";
+			break;
+		case kAudioUnitParameterUnit_Hertz:
+			str = "Hz";
+			break;
+		case kAudioUnitParameterUnit_Cents:
+		case kAudioUnitParameterUnit_AbsoluteCents:
+			str = "Cents";
+			break;
+		case kAudioUnitParameterUnit_RelativeSemiTones:
+			str = "S-T";
+			break;
+		case kAudioUnitParameterUnit_MIDINoteNumber:
+		case kAudioUnitParameterUnit_MIDIController:
+			str = "MIDI";
+				//these are inclusive, so add one value here
+			mNumIndexedParams = short(mParamInfo.maxValue+1 - mParamInfo.minValue);
+			break;
+		case kAudioUnitParameterUnit_Decibels:
+			str = "dB";
+			break;
+		case kAudioUnitParameterUnit_MixerFaderCurve1:
+		case kAudioUnitParameterUnit_LinearGain:
+			str = "Gain";
+			break;
+		case kAudioUnitParameterUnit_Pan:
+			str = "L/R";
+			break;
+		case kAudioUnitParameterUnit_Meters:
+			str = "Mtrs";
+			break;
+		case kAudioUnitParameterUnit_Octaves:
+			str = "8ve";
+			break;
+		case kAudioUnitParameterUnit_BPM:
+			str = "BPM";
+			break;
+		case kAudioUnitParameterUnit_Beats:
+			str = "Beats";
+			break;
+		case kAudioUnitParameterUnit_Milliseconds:
+			str = "msecs";
+			break;
+		case kAudioUnitParameterUnit_Ratio:
+			str = "Ratio";
+			break;
+		case kAudioUnitParameterUnit_Indexed:
+			{
+				propertySize = sizeof(mNamedParams);
+				err = AudioUnitGetProperty (au,
+									kAudioUnitProperty_ParameterValueStrings,
+									scope,
+									param,
+									&mNamedParams,
+									&propertySize);
+				if (!err && mNamedParams) {
+					mNumIndexedParams = CFArrayGetCount(mNamedParams);
+				} else {
+						//these are inclusive, so add one value here
+					mNumIndexedParams = short(mParamInfo.maxValue+1 - mParamInfo.minValue);
+				}
+				str = NULL;
+			}
+			break;
+		case kAudioUnitParameterUnit_CustomUnit:
+		{
+			CFStringRef unitName = mParamInfo.unitName;
+			static char paramStr[256];
+			CFStringGetCString (unitName, paramStr, 256, kCFStringEncodingUTF8);
+			if (mParamInfo.flags & kAudioUnitParameterFlag_CFNameRelease)
+				CFRelease (unitName);
+			str = paramStr;
+			break;
+		}
+		case kAudioUnitParameterUnit_Generic:
+		case kAudioUnitParameterUnit_Rate:
+		default:
+			str = NULL;
+			break;
+	}
+
+	if (str)
+		mParamTag = CFStringCreateWithCString(NULL, str, kCFStringEncodingUTF8);
+	else
+		mParamTag = NULL;
+}
+
+
+Float32		CAAUParameter::GetValue() const
+{
+	Float32 value = 0.;
+	//OSStatus err =
+	AudioUnitGetParameter(mAudioUnit, mParameterID, mScope, mElement, &value);
+	return value;
+}
+
+CFStringRef CreateLocalizedStringForParameterValue ( double					inParameterValue,
+													 const CAAUParameter *	inParameter,
+													 UInt32					inDigits,
+													 UInt32					minDigits) {
+	if (!inParameter) return nil;
+
+	AudioUnitParameterInfo info = inParameter->ParamInfo();
+	int pow10;
+
+	switch (info.unit) {
+		case kAudioUnitParameterUnit_Hertz:
+			// number of significant digits based on value
+			pow10 = int(log10(fmax(inParameterValue, .000001)));
+			break;
+		default:
+			// number of significant digits based on parameter range
+			pow10 = int(log10(fmax(double(info.maxValue - info.minValue), .000001)));
+			break;
+	}
+
+	// pow10	range			nDigitsAfterDecimal
+	//	-2		.0100-.0999		4
+	//	-1		.100-.999		3
+	//	0		1.00-9.99		2
+	//	1		10.0-99.9		1
+	//	2		100-999			0
+	//	3		1000-9990		-1
+	//	4		10000-99900		-2
+
+	int nDigitsAfterDecimal = inDigits - (pow10 + 1);
+	if (nDigitsAfterDecimal < 0)
+		nDigitsAfterDecimal = 0;	// the least number of digits possible is zero
+
+	if (info.flags & kAudioUnitParameterFlag_IsHighResolution)
+		nDigitsAfterDecimal = 4;
+
+	CFLocaleRef currentLocale = CFLocaleCopyCurrent();
+	CFNumberFormatterRef numberFormatter = CFNumberFormatterCreate (NULL, currentLocale, kCFNumberFormatterDecimalStyle);
+
+	CFNumberRef maxFractionDigits = CFNumberCreate (NULL, kCFNumberIntType, &nDigitsAfterDecimal);
+
+	if (nDigitsAfterDecimal > 0)
+		nDigitsAfterDecimal = minDigits;
+
+	CFNumberRef minFractionDigits = CFNumberCreate (NULL, kCFNumberIntType, &nDigitsAfterDecimal);
+
+	CFNumberFormatterSetProperty (numberFormatter, kCFNumberFormatterMinFractionDigits, minFractionDigits);
+	CFNumberFormatterSetProperty (numberFormatter, kCFNumberFormatterMaxFractionDigits, maxFractionDigits);
+	CFStringRef formattedNumberString = CFNumberFormatterCreateStringWithValue (NULL, numberFormatter, kCFNumberDoubleType, &inParameterValue);
+
+	CFRelease(currentLocale);
+	CFRelease(numberFormatter);
+	CFRelease(maxFractionDigits);
+	CFRelease(minFractionDigits);
+
+	return formattedNumberString;
+}
+
+CFStringRef CreateLocalizedStringForParameterValue ( double					inParameterValue,
+													 const CAAUParameter *	inParameter,
+													 UInt32					inDigits) {
+	return CreateLocalizedStringForParameterValue (inParameterValue, inParameter, inDigits, 1);
+}
+
+double ValueForLocalizedParameterString (CFStringRef string, const CAAUParameter * inParameter) {
+	CFLocaleRef currentLocale = CFLocaleCopyCurrent();
+	CFNumberFormatterRef numberFormatter = CFNumberFormatterCreate (NULL, currentLocale, kCFNumberFormatterDecimalStyle);
+
+	double value = 0;
+	Boolean worked = CFNumberFormatterGetValueFromString (numberFormatter, string, NULL, kCFNumberDoubleType, &value);
+
+	CFRelease(currentLocale);
+	CFRelease(numberFormatter);
+
+	if (worked)
+		return value;
+	else {
+		AudioUnitParameterInfo info = inParameter->ParamInfo();
+		return info.defaultValue;
+	}
+}
+
+CFStringRef CAAUParameter::GetStringFromValueCopy(const Float32 *value) const
+{
+	if (HasNamedParams())
+	{
+		Float32 val = (value == NULL ? GetValue() : *value);
+		int index = int(mParamInfo.minValue) + int(val);
+		CFStringRef str = GetParamName (index);
+		if (str) {
+			CFRetain (str);
+			return str;
+		}
+	}
+	else if (ValuesHaveStrings())
+	{
+		AudioUnitParameterStringFromValue stringValue;
+		stringValue.inParamID = mParameterID;
+		stringValue.inValue = value;
+		stringValue.outString = NULL;
+		UInt32 propertySize = sizeof(stringValue);
+
+		OSStatus err = AudioUnitGetProperty (mAudioUnit,
+											kAudioUnitProperty_ParameterStringFromValue,
+											mScope,
+											0,
+											&stringValue,
+											&propertySize);
+
+		if (!err && stringValue.outString != NULL)
+			return stringValue.outString;
+	}
+
+	Float32 val = (value == NULL ? GetValue() : *value);
+	AudioUnitParameterUnit unit = this->ParamInfo().unit;
+	if (unit ==  kAudioUnitParameterUnit_Cents || unit == kAudioUnitParameterUnit_AbsoluteCents)
+		return CreateLocalizedStringForParameterValue(val, this, 4, 0);
+	else
+		return CreateLocalizedStringForParameterValue(val, this, 4);
+}
+
+Float32 CAAUParameter::GetValueFromString(CFStringRef str) const
+{
+	if (ValuesHaveStrings())
+	{
+		AudioUnitParameterValueFromString valueString;
+		valueString.inParamID = mParameterID;
+		valueString.inString = str;
+		UInt32 propertySize = sizeof(valueString);
+
+		OSStatus err = AudioUnitGetProperty (mAudioUnit,
+										kAudioUnitProperty_ParameterValueFromString,
+										mScope,
+										0,
+										&valueString,
+										&propertySize);
+
+		if (!err) {
+			return valueString.outValue;
+		}
+	}
+
+	return (Float32) ValueForLocalizedParameterString(str, this);
+}
+
+void		CAAUParameter::SetValue(	AUParameterListenerRef		inListener,
+									void *							inObject,
+									Float32							inValue) const
+{
+    // clip inValue as: maxValue >= inValue >= minValue before setting
+    Float32 valueToSet = inValue;
+    if (valueToSet > mParamInfo.maxValue)
+        valueToSet = mParamInfo.maxValue;
+    if (valueToSet < mParamInfo.minValue)
+        valueToSet = mParamInfo.minValue;
+
+	AUParameterSet(inListener, inObject, this, valueToSet, 0);
+}
+
+#if DEBUG
+void	CAAUParameter::Print() const
+{
+	UInt32 clump = 0;
+	GetClumpID (clump);
+
+	UInt32 len = static_cast<UInt32>(CFStringGetLength(mParamName));
+	char* chars = (char*)malloc (len * 2); // give us plenty of room for unichar chars
+	if (!CFStringGetCString (mParamName, chars, len * 2, kCFStringEncodingUTF8))
+		chars[0] = 0;
+
+	printf ("ID: %ld, Clump: %u, Name: %s\n", (long unsigned int) mParameterID, (unsigned int) clump, chars);
+	free (chars);
+}
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAUParameter.h

@@ -0,0 +1,191 @@
+/*
+     File: CAAUParameter.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAAUParameter_h__
+#define __CAAUParameter_h__
+
+#include <AudioToolbox/AudioUnitUtilities.h>
+
+// ____________________________________________________________________________
+//	CAAUParameter
+//	complete parameter specification
+	/*! @class CAAUParameter */
+class CAAUParameter : public AudioUnitParameter {
+public:
+								/*! @ctor CAAUParameter.0 */
+								CAAUParameter();
+								/*! @ctor CAAUParameter.1 */
+								CAAUParameter(AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element);
+								/*! @ctor CAAUParameter.2 */
+								CAAUParameter(AudioUnitParameter &inParam);
+								/*! @ctor CAAUParameter.3 */
+								CAAUParameter(const CAAUParameter &a);
+								/*! @dtor ~CAAUParameter */
+								~CAAUParameter();
+
+	/*! @method operator <@ */
+	bool						operator < (const CAAUParameter &a) const
+								{
+									return memcmp(this, &a, sizeof(AudioUnitParameter)) < 0;
+								}
+
+	/*! @method operator ==@ */
+	bool						operator == (const CAAUParameter &a) const
+								{
+									return !memcmp(this, &a, sizeof(AudioUnitParameter));
+								}
+
+	/*! @method operator =@ */
+	CAAUParameter &				operator = (const CAAUParameter &a);
+
+	/*! @method GetValue */
+	Float32						GetValue() const;
+	/*! @method SetValue */
+	void						SetValue(	AUParameterListenerRef			inListener,
+											void *							inObject,
+											Float32							inValue) const;
+
+	/*! @method GetName */
+	CFStringRef					GetName() const { return mParamName; }
+										// borrowed reference!
+
+	/*! @method GetStringFromValueCopy */
+	CFStringRef					GetStringFromValueCopy(const Float32 *value = NULL) const;
+										// returns a copy of the name of the current parameter value
+										// or null if there is no name associated
+										// caller must release
+	/*! @method ValuesHaveStrings */
+	bool						ValuesHaveStrings () const
+								{
+									return (mParamInfo.flags & kAudioUnitParameterFlag_ValuesHaveStrings) != 0;
+								}
+
+	/*! @method GetValueFromString */
+	Float32						GetValueFromString (CFStringRef str) const;
+									// caller must release
+
+	/*! @method ParamInfo */
+	const AudioUnitParameterInfo &
+								ParamInfo()	const { return mParamInfo; }
+
+	/*! @method GetParamTag */
+	CFStringRef					GetParamTag() const	{ return mParamTag; }
+									// this may return null! -
+									// in which case there is no descriptive tag for the parameter
+
+	/*! @method GetParamName */
+	CFStringRef					GetParamName (int inIndex) const
+									// this can return null if there is no name for the parameter
+								{
+									return (mNamedParams && inIndex < mNumIndexedParams)
+												? (CFStringRef) CFArrayGetValueAtIndex(mNamedParams, inIndex)
+												: 0;
+								}
+
+	/*! @method GetNumIndexedParams */
+	int							GetNumIndexedParams () const { return mNumIndexedParams; }
+
+	/*! @method IsIndexedParam */
+	bool						IsIndexedParam () const { return mNumIndexedParams != 0; }
+
+	/*! @method HasNamedParams */
+	bool						HasNamedParams () const { return IsIndexedParam() && mNamedParams; }
+
+	/*! @method GetClumpID */
+	bool						GetClumpID (UInt32 &outClumpID) const
+								{
+									if (mParamInfo.flags & kAudioUnitParameterFlag_HasClump) {
+										outClumpID = mParamInfo.clumpID;
+										return true;
+									}
+									return false;
+								}
+
+	/*! @method HasDisplayTransformation */
+	bool						HasDisplayTransformation () const
+								{
+									return GetAudioUnitParameterDisplayType (mParamInfo.flags);
+								}
+
+	/*! @method IsExpert */
+	bool						IsExpert () const
+								{
+									return mParamInfo.flags & kAudioUnitParameterFlag_ExpertMode;
+								}
+#if DEBUG
+	void						Print () const;
+#endif
+
+		// these methods are defined in CAPersistence.cpp
+		// they will persist and restore only the scope, element and param ID's of the AudioUnitParameter
+		// however, this is sufficient to be able to save/restore a CAAUParameter object
+	void						Save (CFPropertyListRef &outData) const;
+
+	static void					Save (const AudioUnitParameter &inParam, CFPropertyListRef &outData);
+
+	static OSStatus				Restore	(const CFPropertyListRef inData, AudioUnitParameter &outParam);
+
+protected:
+	// cached parameter info
+	/*! @var mParamInfo */
+	AudioUnitParameterInfo		mParamInfo;
+	/*! @var mParamName */
+	CFStringRef					mParamName;
+	/*! @var mParamTag */
+	CFStringRef					mParamTag;
+	/*! @var mNumIndexedParams */
+	short						mNumIndexedParams;
+	/*! @var mNamedParams */
+	CFArrayRef					mNamedParams;
+
+private:
+	void						Init (AudioUnit au, AudioUnitParameterID param, AudioUnitScope scope, AudioUnitElement element);
+
+};
+
+
+
+#endif // __CAAUParameter_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAtomic.h

@@ -0,0 +1,305 @@
+/*
+     File: CAAtomic.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+/*
+	This file implements all Atomic operations using Interlocked functions specified in
+	Winbase.h
+NOTE: According to Microsoft documentation, all Interlocked functions generates a
+full barrier.
+	On Windows:
+	As the Interlocked functions returns the Old value, Extra checks and operations
+	are made after the atomic operation to return value consistent with OSX counterparts.
+*/
+#ifndef __CAAtomic_h__
+#define __CAAtomic_h__
+
+#if TARGET_OS_WIN32
+	#include <windows.h>
+	#include <intrin.h>
+	#pragma intrinsic(_InterlockedOr)
+	#pragma intrinsic(_InterlockedAnd)
+#else
+	#include <CoreFoundation/CFBase.h>
+	#include <libkern/OSAtomic.h>
+#endif
+
+inline void CAMemoryBarrier()
+{
+#if TARGET_OS_WIN32
+	MemoryBarrier();
+#else
+	OSMemoryBarrier();
+#endif
+}
+
+inline SInt32 CAAtomicAdd32Barrier(SInt32 theAmt, volatile SInt32* theValue)
+{
+#if TARGET_OS_WIN32
+	long lRetVal = InterlockedExchangeAdd((volatile long*)theValue, theAmt);
+	// InterlockedExchangeAdd returns the original value which differs from OSX version.
+	// At this point the addition would have occured and hence returning the new value
+	// to keep it sync with OSX.
+	return lRetVal + theAmt;
+#else
+	return OSAtomicAdd32Barrier(theAmt, (volatile int32_t *)theValue);
+#endif
+}
+
+inline SInt32 CAAtomicOr32Barrier(UInt32 theMask, volatile UInt32* theValue)
+{
+#if TARGET_OS_WIN32
+	// InterlockedAnd macro is not defined in x86 platform, and hence using the intrinsic
+	// function instead.
+	long j = _InterlockedOr((volatile long*)theValue, theMask);
+	// _InterlockedOr returns the original value which differs from OSX version.
+	// Returning the new value similar to OSX
+	return (SInt32)(j | theMask);
+#else
+	return OSAtomicOr32Barrier(theMask, (volatile uint32_t *)theValue);
+#endif
+}
+
+inline SInt32 CAAtomicAnd32Barrier(UInt32 theMask, volatile UInt32* theValue)
+{
+#if TARGET_OS_WIN32
+// InterlockedAnd macro is not defined in x86 platform, and hence using the intrinsic
+// function instead.
+	long j = _InterlockedAnd((volatile long*)theValue, theMask);
+	// _InterlockedAnd returns the original value which differs from OSX version.
+	// Returning the new value similar to OSX
+	return (SInt32)(j & theMask);
+#else
+	return OSAtomicAnd32Barrier(theMask, (volatile uint32_t *)theValue);
+#endif
+}
+
+inline bool CAAtomicCompareAndSwap32Barrier(SInt32 oldValue, SInt32 newValue, volatile SInt32 *theValue)
+{
+#if TARGET_OS_WIN32
+	// InterlockedCompareExchange returns the old value. But we need to return bool value.
+	long lRetVal = InterlockedCompareExchange((volatile long*)theValue, newValue, oldValue);
+// Hence we check if the new value is set and if it is we return true else false.
+// If theValue is equal to oldValue then the swap happens. Otherwise swap doesn't happen.
+	return (oldValue == lRetVal);
+#else
+	return OSAtomicCompareAndSwap32Barrier(oldValue, newValue, (volatile int32_t *)theValue);
+#endif
+}
+
+
+inline SInt32 CAAtomicIncrement32(volatile SInt32* theValue)
+{
+#if TARGET_OS_WIN32
+	return (SInt32)InterlockedIncrement((volatile long*)theValue);
+#else
+	return OSAtomicIncrement32((volatile int32_t *)theValue);
+#endif
+}
+
+inline SInt32 CAAtomicDecrement32(volatile SInt32* theValue)
+{
+#if TARGET_OS_WIN32
+	return (SInt32)InterlockedDecrement((volatile long*)theValue);
+#else
+	return OSAtomicDecrement32((volatile int32_t *)theValue);
+#endif
+}
+
+inline SInt32 CAAtomicIncrement32Barrier(volatile SInt32* theValue)
+{
+#if TARGET_OS_WIN32
+	return CAAtomicIncrement32(theValue);
+#else
+	return OSAtomicIncrement32Barrier((volatile int32_t *)theValue);
+#endif
+}
+
+inline SInt32 CAAtomicDecrement32Barrier(volatile SInt32* theValue)
+{
+#if TARGET_OS_WIN32
+	return CAAtomicDecrement32(theValue);
+#else
+	return OSAtomicDecrement32Barrier((volatile int32_t *)theValue);
+#endif
+}
+
+inline bool CAAtomicTestAndClearBarrier(int bitToClear, void* theAddress)
+{
+#if TARGET_OS_WIN32
+	BOOL bOldVal = InterlockedBitTestAndReset((long*)theAddress, bitToClear);
+	return (bOldVal ? true : false);
+#else
+	return OSAtomicTestAndClearBarrier(bitToClear, (volatile void *)theAddress);
+#endif
+}
+
+inline bool CAAtomicTestAndClear(int bitToClear, void* theAddress)
+{
+#if TARGET_OS_WIN32
+	BOOL bOldVal = CAAtomicTestAndClearBarrier(bitToClear, (long*)theAddress);
+	return (bOldVal ? true : false);
+#else
+	return OSAtomicTestAndClear(bitToClear, (volatile void *)theAddress);
+#endif
+}
+
+inline bool CAAtomicTestAndSetBarrier(int bitToSet, void* theAddress)
+{
+#if TARGET_OS_WIN32
+	BOOL bOldVal = InterlockedBitTestAndSet((long*)theAddress, bitToSet);
+	return (bOldVal ? true : false);
+#else
+	return OSAtomicTestAndSetBarrier(bitToSet, (volatile void *)theAddress);
+#endif
+}
+
+// int32_t flavors -- for C++ only since we can't overload in C
+// CFBase.h defines SInt32 as signed int which is similar to int32_t. If CFBase.h is included, then
+// this will generate redefinition error. But on Mac, CFBase.h, still includes MacTypes.h where
+// SInt32 is defined as signed long so this would work there.
+// So in order to fix the redefinition errors, we define these functions only if MacTypes.h is included.
+#if defined(__cplusplus) && defined(__MACTYPES__) && !__LP64__
+inline int32_t CAAtomicAdd32Barrier(int32_t theAmt, volatile int32_t* theValue)
+{
+	return CAAtomicAdd32Barrier(theAmt, (volatile SInt32 *)theValue);
+}
+
+inline int32_t CAAtomicOr32Barrier(uint32_t theMask, volatile uint32_t* theValue)
+{
+	return CAAtomicOr32Barrier(theMask, (volatile UInt32 *)theValue);
+}
+
+inline int32_t CAAtomicAnd32Barrier(uint32_t theMask, volatile uint32_t* theValue)
+{
+	return CAAtomicAnd32Barrier(theMask, (volatile UInt32 *)theValue);
+}
+
+inline bool CAAtomicCompareAndSwap32Barrier(int32_t oldValue, int32_t newValue, volatile int32_t *theValue)
+{
+	return CAAtomicCompareAndSwap32Barrier(oldValue, newValue, (volatile SInt32 *)theValue);
+}
+
+inline int32_t CAAtomicIncrement32(volatile int32_t* theValue)
+{
+	return CAAtomicIncrement32((volatile SInt32 *)theValue);
+}
+
+inline int32_t CAAtomicDecrement32(volatile int32_t* theValue)
+{
+	return CAAtomicDecrement32((volatile SInt32 *)theValue);
+}
+
+inline int32_t CAAtomicIncrement32Barrier(volatile int32_t* theValue)
+{
+	return CAAtomicIncrement32Barrier((volatile SInt32 *)theValue);
+}
+
+inline int32_t CAAtomicDecrement32Barrier(volatile int32_t* theValue)
+{
+	return CAAtomicDecrement32Barrier((volatile SInt32 *)theValue);
+}
+#endif // __cplusplus && !__LP64__
+
+#if __LP64__
+inline bool CAAtomicCompareAndSwap64Barrier( int64_t __oldValue, int64_t __newValue, volatile int64_t *__theValue )
+{
+	return OSAtomicCompareAndSwap64Barrier(__oldValue, __newValue, __theValue);
+}
+#endif
+
+inline bool CAAtomicCompareAndSwapPtrBarrier(void *__oldValue, void *__newValue, volatile void ** __theValue)
+{
+#if __LP64__
+	return CAAtomicCompareAndSwap64Barrier((int64_t)__oldValue, (int64_t)__newValue, (int64_t *)__theValue);
+#else
+	return CAAtomicCompareAndSwap32Barrier((int32_t)__oldValue, (int32_t)__newValue, (int32_t *)__theValue);
+#endif
+}
+
+/* Spinlocks.  These use memory barriers as required to synchronize access to shared
+ * memory protected by the lock.  The lock operation spins, but employs various strategies
+ * to back off if the lock is held, making it immune to most priority-inversion livelocks.
+ * The try operation immediately returns false if the lock was held, true if it took the
+ * lock.  The convention is that unlocked is zero, locked is nonzero.
+ */
+#define	CA_SPINLOCK_INIT    0
+
+typedef int32_t CASpinLock;
+
+bool    CASpinLockTry( volatile CASpinLock *__lock );
+void    CASpinLockLock( volatile CASpinLock *__lock );
+void    CASpinLockUnlock( volatile CASpinLock *__lock );
+
+inline void    CASpinLockLock( volatile CASpinLock *__lock )
+{
+#if TARGET_OS_MAC
+	OSSpinLockLock(__lock);
+#else
+	while (CAAtomicTestAndSetBarrier(0, (void*)__lock))
+		usleep(1000); // ???
+#endif
+}
+
+inline void    CASpinLockUnlock( volatile CASpinLock *__lock )
+{
+#if TARGET_OS_MAC
+	OSSpinLockUnlock(__lock);
+#else
+	CAAtomicTestAndClearBarrier(0, (void*)__lock);
+#endif
+}
+
+inline bool    CASpinLockTry( volatile CASpinLock *__lock )
+{
+#if TARGET_OS_MAC
+	return OSSpinLockTry(__lock);
+#else
+	return (CAAtomicTestAndSetBarrier(0, (void*)__lock) == 0);
+#endif
+}
+
+
+#endif // __CAAtomic_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAtomicStack.h

@@ -0,0 +1,239 @@
+/*
+     File: CAAtomicStack.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAAtomicStack_h__
+#define __CAAtomicStack_h__
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <libkern/OSAtomic.h>
+#else
+	#include <CAAtomic.h>
+#endif
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_4
+	#include <CoreServices/CoreServices.h>
+#endif
+
+//  linked list LIFO or FIFO (pop_all_reversed) stack, elements are pushed and popped atomically
+//  class T must implement T *& next().
+template <class T>
+class TAtomicStack {
+public:
+	TAtomicStack() : mHead(NULL) { }
+
+	// non-atomic routines, for use when initializing/deinitializing, operate NON-atomically
+	void	push_NA(T *item)
+	{
+		item->next() = mHead;
+		mHead = item;
+	}
+
+	T *		pop_NA()
+	{
+		T *result = mHead;
+		if (result)
+			mHead = result->next();
+		return result;
+	}
+
+	bool	empty() const { return mHead == NULL; }
+
+	T *		head() { return mHead; }
+
+	// atomic routines
+	void	push_atomic(T *item)
+	{
+		T *head_;
+		do {
+			head_ = mHead;
+			item->next() = head_;
+		} while (!compare_and_swap(head_, item, &mHead));
+	}
+
+	void	push_multiple_atomic(T *item)
+		// pushes entire linked list headed by item
+	{
+		T *head_, *p = item, *tail;
+		// find the last one -- when done, it will be linked to head
+		do {
+			tail = p;
+			p = p->next();
+		} while (p);
+		do {
+			head_ = mHead;
+			tail->next() = head_;
+		} while (!compare_and_swap(head_, item, &mHead));
+	}
+
+	T *		pop_atomic_single_reader()
+		// this may only be used when only one thread may potentially pop from the stack.
+		// if multiple threads may pop, this suffers from the ABA problem.
+		// <rdar://problem/4606346> TAtomicStack suffers from the ABA problem
+	{
+		T *result;
+		do {
+			if ((result = mHead) == NULL)
+				break;
+		} while (!compare_and_swap(result, result->next(), &mHead));
+		return result;
+	}
+
+	T *		pop_atomic()
+		// This is inefficient for large linked lists.
+		// prefer pop_all() to a series of calls to pop_atomic.
+		// push_multiple_atomic has to traverse the entire list.
+	{
+		T *result = pop_all();
+		if (result) {
+			T *next = result->next();
+			if (next)
+				// push all the remaining items back onto the stack
+				push_multiple_atomic(next);
+		}
+		return result;
+	}
+
+	T *		pop_all()
+	{
+		T *result;
+		do {
+			if ((result = mHead) == NULL)
+				break;
+		} while (!compare_and_swap(result, NULL, &mHead));
+		return result;
+	}
+
+	T*		pop_all_reversed()
+	{
+		TAtomicStack<T> reversed;
+		T *p = pop_all(), *next;
+		while (p != NULL) {
+			next = p->next();
+			reversed.push_NA(p);
+			p = next;
+		}
+		return reversed.mHead;
+	}
+
+	static bool	compare_and_swap(T *oldvalue, T *newvalue, T **pvalue)
+	{
+#if TARGET_OS_MAC
+	#if __LP64__
+			return ::OSAtomicCompareAndSwap64Barrier(int64_t(oldvalue), int64_t(newvalue), (int64_t *)pvalue);
+	#elif MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
+			return ::OSAtomicCompareAndSwap32Barrier(int32_t(oldvalue), int32_t(newvalue), (int32_t *)pvalue);
+	#else
+			return ::CompareAndSwap(UInt32(oldvalue), UInt32(newvalue), (UInt32 *)pvalue);
+	#endif
+#else
+			//return ::CompareAndSwap(UInt32(oldvalue), UInt32(newvalue), (UInt32 *)pvalue);
+			return CAAtomicCompareAndSwap32Barrier(SInt32(oldvalue), SInt32(newvalue), (SInt32*)pvalue);
+#endif
+	}
+
+protected:
+	T *		mHead;
+};
+
+#if ((MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) && !TARGET_OS_WIN32)
+#include <libkern/OSAtomic.h>
+
+class CAAtomicStack {
+public:
+	CAAtomicStack(size_t nextPtrOffset) : mNextPtrOffset(nextPtrOffset) {
+		/*OSQueueHead h = OS_ATOMIC_QUEUE_INIT; mHead = h;*/
+		mHead.opaque1 = 0; mHead.opaque2 = 0;
+	}
+	// a subset of the above
+	void	push_atomic(void *p) { OSAtomicEnqueue(&mHead, p, mNextPtrOffset); }
+	void	push_NA(void *p) { push_atomic(p); }
+
+	void *	pop_atomic() { return OSAtomicDequeue(&mHead, mNextPtrOffset); }
+	void *	pop_atomic_single_reader() { return pop_atomic(); }
+	void *	pop_NA() { return pop_atomic(); }
+
+private:
+	OSQueueHead		mHead;
+	size_t			mNextPtrOffset;
+};
+
+// a more efficient subset of TAtomicStack using OSQueue.
+template <class T>
+class TAtomicStack2 {
+public:
+	TAtomicStack2() {
+		/*OSQueueHead h = OS_ATOMIC_QUEUE_INIT; mHead = h;*/
+		mHead.opaque1 = 0; mHead.opaque2 = 0;
+		mNextPtrOffset = -1;
+	}
+	void	push_atomic(T *item) {
+		if (mNextPtrOffset < 0) {
+			T **pnext = &item->next();	// hack around offsetof not working with C++
+			mNextPtrOffset = (Byte *)pnext - (Byte *)item;
+		}
+		OSAtomicEnqueue(&mHead, item, mNextPtrOffset);
+	}
+	void	push_NA(T *item) { push_atomic(item); }
+
+	T *		pop_atomic() { return (T *)OSAtomicDequeue(&mHead, mNextPtrOffset); }
+	T *		pop_atomic_single_reader() { return pop_atomic(); }
+	T *		pop_NA() { return pop_atomic(); }
+
+	// caution: do not try to implement pop_all_reversed here. the writer could add new elements
+	// while the reader is trying to pop old ones!
+
+private:
+	OSQueueHead		mHead;
+	ssize_t			mNextPtrOffset;
+};
+
+#else
+
+#define TAtomicStack2 TAtomicStack
+
+#endif // MAC_OS_X_VERSION_MAX_ALLOWED && !TARGET_OS_WIN32
+
+#endif // __CAAtomicStack_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAudioChannelLayout.cpp

@@ -0,0 +1,153 @@
+/*
+     File: CAAudioChannelLayout.cpp
+ Abstract: CAAudioChannelLayout.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.
+
+*/
+//=============================================================================
+//	Includes
+//=============================================================================
+
+//	Self Include
+#include "CAAudioChannelLayout.h"
+#include "CAAutoDisposer.h"
+#include <stdlib.h>
+#include <string.h>
+
+//=============================================================================
+//	CAAudioChannelLayout
+//=============================================================================
+
+AudioChannelLayout*	CAAudioChannelLayout::Create(UInt32 inNumberChannelDescriptions)
+{
+	UInt32 theSize = CalculateByteSize(inNumberChannelDescriptions);
+	AudioChannelLayout* theAnswer = static_cast<AudioChannelLayout*>(CA_calloc(1, theSize));
+	if(theAnswer != NULL)
+	{
+		SetAllToUnknown(*theAnswer, inNumberChannelDescriptions);
+	}
+	return theAnswer;
+}
+
+void	CAAudioChannelLayout::Destroy(AudioChannelLayout* inChannelLayout)
+{
+	free(inChannelLayout);
+}
+
+void	CAAudioChannelLayout::SetAllToUnknown(AudioChannelLayout& outChannelLayout, UInt32 inNumberChannelDescriptions)
+{
+	outChannelLayout.mChannelLayoutTag = kAudioChannelLayoutTag_UseChannelDescriptions;
+	outChannelLayout.mChannelBitmap = 0;
+	outChannelLayout.mNumberChannelDescriptions = inNumberChannelDescriptions;
+	for(UInt32 theChannelIndex = 0; theChannelIndex < inNumberChannelDescriptions; ++theChannelIndex)
+	{
+		outChannelLayout.mChannelDescriptions[theChannelIndex].mChannelLabel = kAudioChannelLabel_Unknown;
+		outChannelLayout.mChannelDescriptions[theChannelIndex].mChannelFlags = 0;
+		outChannelLayout.mChannelDescriptions[theChannelIndex].mCoordinates[0] = 0;
+		outChannelLayout.mChannelDescriptions[theChannelIndex].mCoordinates[1] = 0;
+		outChannelLayout.mChannelDescriptions[theChannelIndex].mCoordinates[2] = 0;
+	}
+}
+
+bool	operator== (const AudioChannelLayout &x, const AudioChannelLayout &y)
+{
+	// compare based on the number of channel descriptions present
+	// (this may be too strict a comparison if all you care about are matching layout tags)
+	UInt32 theSize1 = CAAudioChannelLayout::CalculateByteSize(x.mNumberChannelDescriptions);
+	UInt32 theSize2 = CAAudioChannelLayout::CalculateByteSize(y.mNumberChannelDescriptions);
+
+	if (theSize1 != theSize2)
+		return false;
+
+	return !memcmp (&x, &y, theSize1);
+}
+
+bool	operator!= (const AudioChannelLayout &x, const AudioChannelLayout &y)
+{
+	return !(x == y);
+}
+
+// counting the one bits in a word
+inline UInt32 CountOnes(UInt32 x)
+{
+	// secret magic algorithm for counting bits in a word.
+	UInt32 t;
+	x = x - ((x >> 1) & 0x55555555);
+	t = ((x >> 2) & 0x33333333);
+	x = (x & 0x33333333) + t;
+	x = (x + (x >> 4)) & 0x0F0F0F0F;
+	x = x + (x << 8);
+	x = x + (x << 16);
+	return x >> 24;
+}
+
+UInt32	CAAudioChannelLayout::NumberChannels (const AudioChannelLayout& inLayout)
+{
+	if (inLayout.mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelDescriptions)
+		return inLayout.mNumberChannelDescriptions;
+
+	if (inLayout.mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap)
+		return CountOnes (inLayout.mChannelBitmap);
+
+	return AudioChannelLayoutTag_GetNumberOfChannels(inLayout.mChannelLayoutTag);
+}
+
+void 	CAShowAudioChannelLayout (FILE* file, const AudioChannelLayout *layout)
+{
+	if (layout == NULL)
+	{
+		fprintf (file, "\tNULL layout\n");
+		return;
+	}
+	fprintf (file, "\tTag=0x%X, ", (int)layout->mChannelLayoutTag);
+	if (layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap)
+		fprintf (file, "Using Bitmap:0x%X\n", (int)layout->mChannelBitmap);
+	else {
+		fprintf (file, "Num Chan Descs=%d\n", (int)layout->mNumberChannelDescriptions);
+		const AudioChannelDescription *desc = layout->mChannelDescriptions;
+		for (unsigned int i = 0; i < layout->mNumberChannelDescriptions; ++i, ++desc) {
+			fprintf (file, "\t\tLabel=%d, Flags=0x%X, ", (int)desc->mChannelLabel, (int)desc->mChannelFlags);
+			fprintf (file, "[az=%f,el=%f,dist=%f]\n", desc->mCoordinates[0], desc->mCoordinates[1], desc->mCoordinates[2]);
+		}
+	}
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAudioChannelLayout.h

@@ -0,0 +1,199 @@
+/*
+     File: CAAudioChannelLayout.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#if !defined(__CAAudioChannelLayout_h__)
+#define __CAAudioChannelLayout_h__
+
+//=============================================================================
+//	Includes
+//=============================================================================
+
+//	System Includes
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+	#include <CoreFoundation/CoreFoundation.h>
+#else
+	#include <CoreAudioTypes.h>
+	#include <CoreFoundation.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "CADebugMacros.h"
+#include "CAAutoDisposer.h"
+
+#if !HAL_Build
+	#include "CAReferenceCounted.h"
+#endif
+
+//=============================================================================
+//	CAAudioChannelLayout
+//=============================================================================
+
+bool	operator== (const AudioChannelLayout &x, const AudioChannelLayout &y);
+bool	operator!= (const AudioChannelLayout &x, const AudioChannelLayout &y);
+
+extern "C" void 	CAShowAudioChannelLayout (FILE* file, const AudioChannelLayout *layout);
+
+class CAAudioChannelLayout
+{
+//	static Construction/Destruction
+public:
+	static AudioChannelLayout*	Create(UInt32 inNumberChannelDescriptions);
+	static void					Destroy(AudioChannelLayout* inChannelLayout);
+	static UInt32				CalculateByteSize(UInt32 inNumberChannelDescriptions) {
+									return SizeOf32(AudioChannelLayout) - SizeOf32(AudioChannelDescription) + (inNumberChannelDescriptions * SizeOf32(AudioChannelDescription));
+								}
+	static void					SetAllToUnknown(AudioChannelLayout& outChannelLayout, UInt32 inNumberChannelDescriptions);
+	static UInt32				NumberChannels(const AudioChannelLayout& inLayout);
+
+#if !HAL_Build
+// object methods
+public:
+								CAAudioChannelLayout ();
+
+								CAAudioChannelLayout (UInt32 inNumberChannels, bool inChooseSurround);
+									// if inChooseSurround is false, then symmetrical speaker arrangements
+									// are chosen in place of surround layouts if there is a choice
+									// This call chooses layouts based on the expected defaults in
+									// AudioUnit usage
+								CAAudioChannelLayout (AudioChannelLayoutTag inTag);
+								CAAudioChannelLayout (const CAAudioChannelLayout &c);
+								CAAudioChannelLayout (const AudioChannelLayout* inChannelLayout);
+								~CAAudioChannelLayout();
+
+	CAAudioChannelLayout&		operator= (const AudioChannelLayout* inChannelLayout);
+	CAAudioChannelLayout&		operator= (const CAAudioChannelLayout& c);
+	bool						operator== (const CAAudioChannelLayout &c) const;
+	bool						operator!= (const CAAudioChannelLayout &c) const;
+
+	void						SetWithTag(AudioChannelLayoutTag inTag);
+
+	bool						IsValid() const { return NumberChannels() > 0; }
+	UInt32						Size() const { return mLayout ? mLayout->Size() : 0; }
+
+	UInt32						NumberChannels() const { return mLayout ? mLayout->NumberChannels() : 0; }
+
+	AudioChannelLayoutTag		Tag() const { return Layout().mChannelLayoutTag; }
+	const AudioChannelLayout&	Layout() const { return mLayout->Layout(); }
+	operator const AudioChannelLayout *() const { return &Layout(); }
+
+	void						Print () const { Print (stdout); }
+	void						Print (FILE* file) const;
+
+	OSStatus					Save (CFPropertyListRef *outData) const;
+	OSStatus					Restore (CFPropertyListRef &inData);
+
+private:
+	class RefCountedLayout : public CAReferenceCounted {
+		void *	operator new(size_t /* size */, size_t aclSize)
+		{
+			return CA_malloc(sizeof(RefCountedLayout) - sizeof(AudioChannelLayout) + aclSize);
+		}
+
+		void	operator delete(void *mem)
+		{
+			free(mem);
+		}
+
+
+		RefCountedLayout(UInt32 inDataSize) :
+			mByteSize(inDataSize)
+		{
+			memset(&mACL, 0, inDataSize);
+		}
+
+	public:
+		static RefCountedLayout *CreateWithNumberChannelDescriptions(unsigned nChannels) {
+								size_t size = CAAudioChannelLayout::CalculateByteSize(nChannels);
+								return new(size) RefCountedLayout((UInt32)size);
+							}
+
+		static RefCountedLayout *CreateWithLayout(const AudioChannelLayout *layout) {
+								size_t size = CAAudioChannelLayout::CalculateByteSize(layout->mNumberChannelDescriptions);
+								RefCountedLayout *acl = new(size) RefCountedLayout((UInt32)size);
+								memcpy(&acl->mACL, layout, size);
+								return acl;
+							}
+		static RefCountedLayout *CreateWithLayoutTag(AudioChannelLayoutTag layoutTag) {
+								RefCountedLayout *acl = CreateWithNumberChannelDescriptions(0);
+								acl->mACL.mChannelLayoutTag = layoutTag;
+								return acl;
+							}
+
+		const AudioChannelLayout & 	Layout() const { return mACL; }
+
+		UInt32						Size () const { return mByteSize; }
+
+		UInt32						NumberChannels() { return CAAudioChannelLayout::NumberChannels(Layout()); }
+
+	private:
+		const UInt32		mByteSize;
+		AudioChannelLayout 	mACL;
+		// * * * mACL is variable length and thus must be last * * *
+
+			// only the constructors can change the actual state of the layout
+		friend CAAudioChannelLayout::CAAudioChannelLayout (UInt32 inNumberChannels, bool inChooseSurround);
+		friend OSStatus CAAudioChannelLayout::Restore (CFPropertyListRef &inData);
+		friend CAAudioChannelLayout& CAAudioChannelLayout::operator= (const AudioChannelLayout* inChannelLayout);
+		friend void CAAudioChannelLayout::SetWithTag(AudioChannelLayoutTag inTag);
+
+		AudioChannelLayout * 	GetLayout() { return &mACL; }
+
+	private:
+		// prohibited methods: private and unimplemented.
+		RefCountedLayout();
+		RefCountedLayout(const RefCountedLayout& c);
+		RefCountedLayout& operator=(const RefCountedLayout& c);
+	};
+
+	RefCountedLayout		*mLayout;
+#endif	//	HAL_Build
+
+};
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAAutoDisposer.h

@@ -0,0 +1,508 @@
+/*
+     File: CAAutoDisposer.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#if !defined(__CAPtr_h__)
+#define __CAPtr_h__
+
+#include <stdlib.h>		// for malloc
+#include <new>			// for bad_alloc
+#include <string.h>		// for memset
+
+inline void* CA_malloc(size_t size)
+{
+	void* p = malloc(size);
+	if (!p && size) throw std::bad_alloc();
+	return p;
+}
+
+inline void* CA_realloc(void* old, size_t size)
+{
+#if TARGET_OS_WIN32
+	void* p = realloc(old, size);
+#else
+	void* p = reallocf(old, size); // reallocf ensures the old pointer is freed if memory is full (p is NULL).
+#endif
+	if (!p && size) throw std::bad_alloc();
+	return p;
+}
+
+#ifndef UINTPTR_MAX
+#if __LP64__
+#define UINTPTR_MAX	  18446744073709551615ULL
+#else
+#define UINTPTR_MAX	  4294967295U
+#endif
+#endif
+
+inline void* CA_calloc(size_t n, size_t size)
+{
+	// ensure that multiplication will not overflow
+	if (n && UINTPTR_MAX / n < size) throw std::bad_alloc();
+
+	size_t nsize = n*size;
+	void* p = malloc(nsize);
+	if (!p && nsize) throw std::bad_alloc();
+
+	memset(p, 0, nsize);
+	return p;
+}
+
+
+// helper class for automatic conversions
+template <typename T>
+struct CAPtrRef
+{
+	T* ptr_;
+
+	explicit CAPtrRef(T* ptr) : ptr_(ptr) {}
+};
+
+template <typename T>
+class CAAutoFree
+{
+private:
+	T* ptr_;
+
+public:
+
+	CAAutoFree() : ptr_(0) {}
+
+	explicit CAAutoFree(T* ptr) : ptr_(ptr) {}
+
+	template<typename U>
+	CAAutoFree(CAAutoFree<U>& that) : ptr_(that.release()) {} // take ownership
+
+	// C++ std says: a template constructor is never a copy constructor
+	CAAutoFree(CAAutoFree<T>& that) : ptr_(that.release()) {} // take ownership
+
+	CAAutoFree(size_t n, bool clear = false)
+		// this becomes an ambiguous call if n == 0
+		: ptr_(0)
+		{
+			size_t maxItems = ~size_t(0) / sizeof(T);
+			if (n > maxItems)
+				throw std::bad_alloc();
+
+			ptr_ = static_cast<T*>(clear ? CA_calloc(n, sizeof(T)) : CA_malloc(n * sizeof(T)));
+		}
+
+	~CAAutoFree() { free(); }
+
+	void alloc(size_t numItems, bool clear = false)
+	{
+		size_t maxItems = ~size_t(0) / sizeof(T);
+		if (numItems > maxItems) throw std::bad_alloc();
+
+		free();
+		ptr_ = static_cast<T*>(clear ? CA_calloc(numItems, sizeof(T)) : CA_malloc(numItems * sizeof(T)));
+	}
+
+	void allocBytes(size_t numBytes, bool clear = false)
+	{
+		free();
+		ptr_ = static_cast<T*>(clear ? CA_calloc(1, numBytes) : CA_malloc(numBytes));
+	}
+
+	void reallocBytes(size_t numBytes)
+	{
+		ptr_ = static_cast<T*>(CA_realloc(ptr_, numBytes));
+	}
+
+	void reallocItems(size_t numItems)
+	{
+		size_t maxItems = ~size_t(0) / sizeof(T);
+		if (numItems > maxItems) throw std::bad_alloc();
+
+		ptr_ = static_cast<T*>(CA_realloc(ptr_, numItems * sizeof(T)));
+	}
+
+	template <typename U>
+	CAAutoFree& operator=(CAAutoFree<U>& that)
+	{
+		set(that.release());	// take ownership
+		return *this;
+	}
+
+	CAAutoFree& operator=(CAAutoFree& that)
+	{
+		set(that.release());	// take ownership
+		return *this;
+	}
+
+	CAAutoFree& operator=(T* ptr)
+	{
+		set(ptr);
+		return *this;
+	}
+
+	template <typename U>
+	CAAutoFree& operator=(U* ptr)
+	{
+		set(ptr);
+		return *this;
+	}
+
+	T& operator*() const { return *ptr_; }
+	T* operator->() const { return ptr_; }
+
+	T* operator()() const { return ptr_; }
+	T* get() const { return ptr_; }
+	operator T*() const { return ptr_; }
+
+	bool operator==(CAAutoFree const& that) const { return ptr_ == that.ptr_; }
+	bool operator!=(CAAutoFree const& that) const { return ptr_ != that.ptr_; }
+	bool operator==(T* ptr) const { return ptr_ == ptr; }
+	bool operator!=(T* ptr) const { return ptr_ != ptr; }
+
+	T* release()
+	{
+		// release ownership
+		T* result = ptr_;
+		ptr_ = 0;
+		return result;
+	}
+
+	void set(T* ptr)
+	{
+		if (ptr != ptr_)
+		{
+			::free(ptr_);
+			ptr_ = ptr;
+		}
+	}
+
+	void free()
+	{
+		set(0);
+	}
+
+
+	// automatic conversions to allow assignment from results of functions.
+	// hard to explain. see auto_ptr implementation and/or Josuttis' STL book.
+	CAAutoFree(CAPtrRef<T> ref) : ptr_(ref.ptr_) { }
+
+	CAAutoFree& operator=(CAPtrRef<T> ref)
+	{
+		set(ref.ptr_);
+		return *this;
+	}
+
+	template<typename U>
+	operator CAPtrRef<U>()
+		{ return CAPtrRef<U>(release()); }
+
+	template<typename U>
+	operator CAAutoFree<U>()
+		{ return CAAutoFree<U>(release()); }
+
+};
+
+
+template <typename T>
+class CAAutoDelete
+{
+private:
+	T* ptr_;
+
+public:
+	CAAutoDelete() : ptr_(0) {}
+
+	explicit CAAutoDelete(T* ptr) : ptr_(ptr) {}
+
+	template<typename U>
+	CAAutoDelete(CAAutoDelete<U>& that) : ptr_(that.release()) {} // take ownership
+
+	// C++ std says: a template constructor is never a copy constructor
+	CAAutoDelete(CAAutoDelete<T>& that) : ptr_(that.release()) {} // take ownership
+
+	~CAAutoDelete() { free(); }
+
+	template <typename U>
+	CAAutoDelete& operator=(CAAutoDelete<U>& that)
+	{
+		set(that.release());	// take ownership
+		return *this;
+	}
+
+	CAAutoDelete& operator=(CAAutoDelete& that)
+	{
+		set(that.release());	// take ownership
+		return *this;
+	}
+
+	CAAutoDelete& operator=(T* ptr)
+	{
+		set(ptr);
+		return *this;
+	}
+
+	template <typename U>
+	CAAutoDelete& operator=(U* ptr)
+	{
+		set(ptr);
+		return *this;
+	}
+
+	T& operator*() const { return *ptr_; }
+	T* operator->() const { return ptr_; }
+
+	T* operator()() const { return ptr_; }
+	T* get() const { return ptr_; }
+	operator T*() const { return ptr_; }
+
+	bool operator==(CAAutoDelete const& that) const { return ptr_ == that.ptr_; }
+	bool operator!=(CAAutoDelete const& that) const { return ptr_ != that.ptr_; }
+	bool operator==(T* ptr) const { return ptr_ == ptr; }
+	bool operator!=(T* ptr) const { return ptr_ != ptr; }
+
+	T* release()
+	{
+		// release ownership
+		T* result = ptr_;
+		ptr_ = 0;
+		return result;
+	}
+
+	void set(T* ptr)
+	{
+		if (ptr != ptr_)
+		{
+			delete ptr_;
+			ptr_ = ptr;
+		}
+	}
+
+	void free()
+	{
+		set(0);
+	}
+
+
+	// automatic conversions to allow assignment from results of functions.
+	// hard to explain. see auto_ptr implementation and/or Josuttis' STL book.
+	CAAutoDelete(CAPtrRef<T> ref) : ptr_(ref.ptr_) { }
+
+	CAAutoDelete& operator=(CAPtrRef<T> ref)
+	{
+		set(ref.ptr_);
+		return *this;
+	}
+
+	template<typename U>
+	operator CAPtrRef<U>()
+		{ return CAPtrRef<U>(release()); }
+
+	template<typename U>
+	operator CAAutoFree<U>()
+		{ return CAAutoFree<U>(release()); }
+
+};
+
+
+template <typename T>
+class CAAutoArrayDelete
+{
+private:
+	T* ptr_;
+
+public:
+	CAAutoArrayDelete() : ptr_(0) {}
+
+	explicit CAAutoArrayDelete(T* ptr) : ptr_(ptr) {}
+
+	template<typename U>
+	CAAutoArrayDelete(CAAutoArrayDelete<U>& that) : ptr_(that.release()) {} // take ownership
+
+	// C++ std says: a template constructor is never a copy constructor
+	CAAutoArrayDelete(CAAutoArrayDelete<T>& that) : ptr_(that.release()) {} // take ownership
+
+	// this becomes an ambiguous call if n == 0
+	CAAutoArrayDelete(size_t n) : ptr_(new T[n]) {}
+
+	~CAAutoArrayDelete() { free(); }
+
+	void alloc(size_t numItems)
+	{
+		free();
+		ptr_ = new T [numItems];
+	}
+
+	template <typename U>
+	CAAutoArrayDelete& operator=(CAAutoArrayDelete<U>& that)
+	{
+		set(that.release());	// take ownership
+		return *this;
+	}
+
+	CAAutoArrayDelete& operator=(CAAutoArrayDelete& that)
+	{
+		set(that.release());	// take ownership
+		return *this;
+	}
+
+	CAAutoArrayDelete& operator=(T* ptr)
+	{
+		set(ptr);
+		return *this;
+	}
+
+	template <typename U>
+	CAAutoArrayDelete& operator=(U* ptr)
+	{
+		set(ptr);
+		return *this;
+	}
+
+	T& operator*() const { return *ptr_; }
+	T* operator->() const { return ptr_; }
+
+	T* operator()() const { return ptr_; }
+	T* get() const { return ptr_; }
+	operator T*() const { return ptr_; }
+
+	bool operator==(CAAutoArrayDelete const& that) const { return ptr_ == that.ptr_; }
+	bool operator!=(CAAutoArrayDelete const& that) const { return ptr_ != that.ptr_; }
+	bool operator==(T* ptr) const { return ptr_ == ptr; }
+	bool operator!=(T* ptr) const { return ptr_ != ptr; }
+
+	T* release()
+	{
+		// release ownership
+		T* result = ptr_;
+		ptr_ = 0;
+		return result;
+	}
+
+	void set(T* ptr)
+	{
+		if (ptr != ptr_)
+		{
+			delete [] ptr_;
+			ptr_ = ptr;
+		}
+	}
+
+	void free()
+	{
+		set(0);
+	}
+
+
+	// automatic conversions to allow assignment from results of functions.
+	// hard to explain. see auto_ptr implementation and/or Josuttis' STL book.
+	CAAutoArrayDelete(CAPtrRef<T> ref) : ptr_(ref.ptr_) { }
+
+	CAAutoArrayDelete& operator=(CAPtrRef<T> ref)
+	{
+		set(ref.ptr_);
+		return *this;
+	}
+
+	template<typename U>
+	operator CAPtrRef<U>()
+		{ return CAPtrRef<U>(release()); }
+
+	template<typename U>
+	operator CAAutoArrayDelete<U>()
+		{ return CAAutoFree<U>(release()); }
+
+};
+
+
+
+
+
+// convenience function
+template <typename T>
+void free(CAAutoFree<T>& p)
+{
+	p.free();
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if 0
+// example program showing ownership transfer
+
+CAAutoFree<char> source()
+{
+	// source allocates and returns ownership to the caller.
+	const char* str = "this is a test";
+	size_t size = strlen(str) + 1;
+	CAAutoFree<char> captr(size, false);
+	strlcpy(captr(), str, size);
+	printf("source %08X %08X '%s'\n", &captr, captr(), captr());
+	return captr;
+}
+
+void user(CAAutoFree<char> const& captr)
+{
+	// passed by const reference. user can access the pointer but does not take ownership.
+	printf("user: %08X %08X '%s'\n", &captr, captr(), captr());
+}
+
+void sink(CAAutoFree<char> captr)
+{
+	// passed by value. sink takes ownership and frees the pointer on return.
+	printf("sink: %08X %08X '%s'\n", &captr, captr(), captr());
+}
+
+
+int main (int argc, char * const argv[])
+{
+
+	CAAutoFree<char> captr(source());
+	printf("main captr A %08X %08X\n", &captr, captr());
+	user(captr);
+	sink(captr);
+	printf("main captr B %08X %08X\n", &captr, captr());
+    return 0;
+}
+#endif
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CADebugMacros.h

@@ -0,0 +1,581 @@
+/*
+     File: CADebugMacros.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#if !defined(__CADebugMacros_h__)
+#define __CADebugMacros_h__
+
+//=============================================================================
+//	Includes
+//=============================================================================
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+#else
+	#include "CoreAudioTypes.h"
+#endif
+
+//=============================================================================
+//	CADebugMacros
+//=============================================================================
+
+//#define	CoreAudio_StopOnFailure			1
+//#define	CoreAudio_TimeStampMessages		1
+//#define	CoreAudio_ThreadStampMessages	1
+//#define	CoreAudio_FlushDebugMessages	1
+
+#if TARGET_RT_BIG_ENDIAN
+	#define	CA4CCToCString(the4CC)					{ ((char*)&the4CC)[0], ((char*)&the4CC)[1], ((char*)&the4CC)[2], ((char*)&the4CC)[3], 0 }
+	#define CACopy4CCToCString(theCString, the4CC)	{ theCString[0] = ((char*)&the4CC)[0]; theCString[1] = ((char*)&the4CC)[1]; theCString[2] = ((char*)&the4CC)[2]; theCString[3] = ((char*)&the4CC)[3]; theCString[4] = 0; }
+#else
+	#define	CA4CCToCString(the4CC)					{ ((char*)&the4CC)[3], ((char*)&the4CC)[2], ((char*)&the4CC)[1], ((char*)&the4CC)[0], 0 }
+	#define CACopy4CCToCString(theCString, the4CC)	{ theCString[0] = ((char*)&the4CC)[3]; theCString[1] = ((char*)&the4CC)[2]; theCString[2] = ((char*)&the4CC)[1]; theCString[3] = ((char*)&the4CC)[0]; theCString[4] = 0; }
+#endif
+
+//	This is a macro that does a sizeof and casts the result to a UInt32. This is useful for all the
+//	places where -wshorten64-32 catches assigning a sizeof expression to a UInt32.
+//	For want of a better place to park this, we'll park it here.
+#define	SizeOf32(X)	((UInt32)sizeof(X))
+
+//	This is a macro that does a offsetof and casts the result to a UInt32. This is useful for all the
+//	places where -wshorten64-32 catches assigning an offsetof expression to a UInt32.
+//	For want of a better place to park this, we'll park it here.
+#define	OffsetOf32(X, Y)	((UInt32)offsetof(X, Y))
+
+//	This macro casts the expression to a UInt32. It is called out specially to allow us to track casts
+//	that have been added purely to avert -wshorten64-32 warnings on 64 bit platforms.
+//	For want of a better place to park this, we'll park it here.
+#define	ToUInt32(X)	((UInt32)(X))
+#define	ToSInt32(X)	((SInt32)(X))
+
+#pragma mark	Basic Definitions
+
+#if	DEBUG || CoreAudio_Debug
+	// can be used to break into debugger immediately, also see CADebugger
+	#define BusError()		{ long* p=NULL; *p=0; }
+
+	//	basic debugging print routines
+	#if	TARGET_OS_MAC && !TARGET_API_MAC_CARBON
+		extern void DebugStr(const unsigned char* debuggerMsg);
+		#define	DebugMessage(msg)	DebugStr("\p"msg)
+		#define DebugMessageN1(msg, N1)
+		#define DebugMessageN2(msg, N1, N2)
+		#define DebugMessageN3(msg, N1, N2, N3)
+	#else
+		#include "CADebugPrintf.h"
+
+		#if	(CoreAudio_FlushDebugMessages && !CoreAudio_UseSysLog) || defined(CoreAudio_UseSideFile)
+			#define	FlushRtn	,fflush(DebugPrintfFile)
+		#else
+			#define	FlushRtn
+		#endif
+
+		#if		CoreAudio_ThreadStampMessages
+			#include <pthread.h>
+			#include "CAHostTimeBase.h"
+			#if TARGET_RT_64_BIT
+				#define	DebugPrintfThreadIDFormat	"%16p"
+			#else
+				#define	DebugPrintfThreadIDFormat	"%8p"
+			#endif
+			#define	DebugMsg(inFormat, ...)	DebugPrintf("%17qd: " DebugPrintfThreadIDFormat " " inFormat, CAHostTimeBase::GetCurrentTimeInNanos(), pthread_self(), ## __VA_ARGS__) FlushRtn
+		#elif	CoreAudio_TimeStampMessages
+			#include "CAHostTimeBase.h"
+			#define	DebugMsg(inFormat, ...)	DebugPrintf("%17qd: " inFormat, CAHostTimeBase::GetCurrentTimeInNanos(), ## __VA_ARGS__) FlushRtn
+		#else
+			#define	DebugMsg(inFormat, ...)	DebugPrintf(inFormat, ## __VA_ARGS__) FlushRtn
+		#endif
+	#endif
+	void	DebugPrint(const char *fmt, ...);	// can be used like printf
+	#ifndef DEBUGPRINT
+		#define DEBUGPRINT(msg) DebugPrint msg		// have to double-parenthesize arglist (see Debugging.h)
+	#endif
+	#if VERBOSE
+		#define vprint(msg) DEBUGPRINT(msg)
+	#else
+		#define vprint(msg)
+	#endif
+
+	// Original macro keeps its function of turning on and off use of CADebuggerStop() for both asserts and throws.
+	// For backwards compat, it overrides any setting of the two sub-macros.
+	#if	CoreAudio_StopOnFailure
+		#include "CADebugger.h"
+		#undef CoreAudio_StopOnAssert
+		#define CoreAudio_StopOnAssert 1
+		#undef CoreAudio_StopOnThrow
+		#define CoreAudio_StopOnThrow 1
+		#define STOP	CADebuggerStop()
+	#else
+		#define STOP
+	#endif
+
+	#if CoreAudio_StopOnAssert
+		#if !CoreAudio_StopOnFailure
+			#include "CADebugger.h"
+			#define STOP
+		#endif
+		#define __ASSERT_STOP CADebuggerStop()
+	#else
+		#define __ASSERT_STOP
+	#endif
+
+	#if CoreAudio_StopOnThrow
+		#if !CoreAudio_StopOnFailure
+			#include "CADebugger.h"
+			#define STOP
+		#endif
+		#define __THROW_STOP CADebuggerStop()
+	#else
+		#define __THROW_STOP
+	#endif
+
+#else
+	#define	DebugMsg(inFormat, ...)
+	#ifndef DEBUGPRINT
+		#define DEBUGPRINT(msg)
+	#endif
+	#define vprint(msg)
+	#define	STOP
+	#define __ASSERT_STOP
+	#define __THROW_STOP
+#endif
+
+//	Old-style numbered DebugMessage calls are implemented in terms of DebugMsg() now
+#define	DebugMessage(msg)										DebugMsg(msg)
+#define DebugMessageN1(msg, N1)									DebugMsg(msg, N1)
+#define DebugMessageN2(msg, N1, N2)								DebugMsg(msg, N1, N2)
+#define DebugMessageN3(msg, N1, N2, N3)							DebugMsg(msg, N1, N2, N3)
+#define DebugMessageN4(msg, N1, N2, N3, N4)						DebugMsg(msg, N1, N2, N3, N4)
+#define DebugMessageN5(msg, N1, N2, N3, N4, N5)					DebugMsg(msg, N1, N2, N3, N4, N5)
+#define DebugMessageN6(msg, N1, N2, N3, N4, N5, N6)				DebugMsg(msg, N1, N2, N3, N4, N5, N6)
+#define DebugMessageN7(msg, N1, N2, N3, N4, N5, N6, N7)			DebugMsg(msg, N1, N2, N3, N4, N5, N6, N7)
+#define DebugMessageN8(msg, N1, N2, N3, N4, N5, N6, N7, N8)		DebugMsg(msg, N1, N2, N3, N4, N5, N6, N7, N8)
+#define DebugMessageN9(msg, N1, N2, N3, N4, N5, N6, N7, N8, N9)	DebugMsg(msg, N1, N2, N3, N4, N5, N6, N7, N8, N9)
+
+void	LogError(const char *fmt, ...);			// writes to syslog (and stderr if debugging)
+void	LogWarning(const char *fmt, ...);		// writes to syslog (and stderr if debugging)
+
+#define	NO_ACTION	(void)0
+
+#if	DEBUG || CoreAudio_Debug
+
+#pragma mark	Debug Macros
+
+#define	Assert(inCondition, inMessage)													\
+			if(!(inCondition))															\
+			{																			\
+				DebugMessage(inMessage);												\
+				__ASSERT_STOP;																	\
+			}
+
+#define	AssertFileLine(inCondition, inMessage)											\
+			if(!(inCondition))															\
+			{																			\
+				DebugMessageN3("%s, line %d: %s", __FILE__, __LINE__, inMessage);		\
+				__ASSERT_STOP;															\
+			}
+
+#define	AssertNoError(inError, inMessage)												\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					char __4CC[5] = CA4CCToCString(__Err);								\
+					DebugMessageN2(inMessage ", Error: %d (%s)", (int)__Err, __4CC);		\
+					__ASSERT_STOP;														\
+				}																		\
+			}
+
+#define	AssertNoKernelError(inError, inMessage)											\
+			{																			\
+				unsigned int __Err = (unsigned int)(inError);							\
+				if(__Err != 0)															\
+				{																		\
+					DebugMessageN1(inMessage ", Error: 0x%X", __Err);					\
+					__ASSERT_STOP;														\
+				}																		\
+			}
+
+#define	AssertNotNULL(inPtr, inMessage)													\
+			{																			\
+				if((inPtr) == NULL)														\
+				{																		\
+					DebugMessage(inMessage);											\
+					__ASSERT_STOP;														\
+				}																		\
+			}
+
+#define	FailIf(inCondition, inHandler, inMessage)										\
+			if(inCondition)																\
+			{																			\
+				DebugMessage(inMessage);												\
+				STOP;																	\
+				goto inHandler;															\
+			}
+
+#define	FailWithAction(inCondition, inAction, inHandler, inMessage)						\
+			if(inCondition)																\
+			{																			\
+				DebugMessage(inMessage);												\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfNULL(inPointer, inAction, inHandler, inMessage)							\
+			if((inPointer) == NULL)														\
+			{																			\
+				DebugMessage(inMessage);												\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfKernelError(inKernelError, inAction, inHandler, inMessage)				\
+			{																			\
+				unsigned int __Err = (inKernelError);									\
+				if(__Err != 0)															\
+				{																		\
+					DebugMessageN1(inMessage ", Error: 0x%X", __Err);					\
+					STOP;																\
+					{ inAction; }														\
+					goto inHandler;														\
+				}																		\
+			}
+
+#define	FailIfError(inError, inAction, inHandler, inMessage)							\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					char __4CC[5] = CA4CCToCString(__Err);								\
+					DebugMessageN2(inMessage ", Error: %ld (%s)", (long int)__Err, __4CC);	\
+					STOP;																\
+					{ inAction; }														\
+					goto inHandler;														\
+				}																		\
+			}
+
+#define	FailIfNoMessage(inCondition, inHandler, inMessage)								\
+			if(inCondition)																\
+			{																			\
+				STOP;																	\
+				goto inHandler;															\
+			}
+
+#define	FailWithActionNoMessage(inCondition, inAction, inHandler, inMessage)			\
+			if(inCondition)																\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfNULLNoMessage(inPointer, inAction, inHandler, inMessage)					\
+			if((inPointer) == NULL)														\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfKernelErrorNoMessage(inKernelError, inAction, inHandler, inMessage)		\
+			{																			\
+				unsigned int __Err = (inKernelError);									\
+				if(__Err != 0)															\
+				{																		\
+					STOP;																\
+					{ inAction; }														\
+					goto inHandler;														\
+				}																		\
+			}
+
+#define	FailIfErrorNoMessage(inError, inAction, inHandler, inMessage)					\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					STOP;																\
+					{ inAction; }														\
+					goto inHandler;														\
+				}																		\
+			}
+
+#if defined(__cplusplus)
+
+#define Throw(inException)  __THROW_STOP; throw (inException)
+
+#define	ThrowIf(inCondition, inException, inMessage)									\
+			if(inCondition)																\
+			{																			\
+				DebugMessage(inMessage);												\
+				Throw(inException);														\
+			}
+
+#define	ThrowIfNULL(inPointer, inException, inMessage)									\
+			if((inPointer) == NULL)														\
+			{																			\
+				DebugMessage(inMessage);												\
+				Throw(inException);														\
+			}
+
+#define	ThrowIfKernelError(inKernelError, inException, inMessage)						\
+			{																			\
+				int __Err = (inKernelError);											\
+				if(__Err != 0)															\
+				{																		\
+					DebugMessageN1(inMessage ", Error: 0x%X", __Err);					\
+					Throw(inException);													\
+				}																		\
+			}
+
+#define	ThrowIfError(inError, inException, inMessage)									\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					char __4CC[5] = CA4CCToCString(__Err);								\
+					DebugMessageN2(inMessage ", Error: %d (%s)", (int)__Err, __4CC);	\
+					Throw(inException);													\
+				}																		\
+			}
+
+#if TARGET_OS_WIN32
+#define	ThrowIfWinError(inError, inException, inMessage)								\
+			{																			\
+				HRESULT __Err = (inError);												\
+				if(FAILED(__Err))														\
+				{																		\
+					DebugMessageN2(inMessage ", Code: %d, Facility: 0x%X", HRESULT_CODE(__Err), HRESULT_FACILITY(__Err));			\
+					Throw(inException);													\
+				}																		\
+			}
+#endif
+
+#define	SubclassResponsibility(inMethodName, inException)								\
+			{																			\
+				DebugMessage(inMethodName": Subclasses must implement this method");	\
+				Throw(inException);														\
+			}
+
+#endif	//	defined(__cplusplus)
+
+#else
+
+#pragma mark	Release Macros
+
+#define	Assert(inCondition, inMessage)													\
+			if(!(inCondition))															\
+			{																			\
+				__ASSERT_STOP;															\
+			}
+
+#define AssertFileLine(inCondition, inMessage) Assert(inCondition, inMessage)
+
+#define	AssertNoError(inError, inMessage)												\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					__ASSERT_STOP;														\
+				}																		\
+			}
+
+#define	AssertNoKernelError(inError, inMessage)											\
+			{																			\
+				unsigned int __Err = (unsigned int)(inError);							\
+				if(__Err != 0)															\
+				{																		\
+					__ASSERT_STOP;														\
+				}																		\
+			}
+
+#define	AssertNotNULL(inPtr, inMessage)													\
+			{																			\
+				if((inPtr) == NULL)														\
+				{																		\
+					__ASSERT_STOP;														\
+				}																		\
+			}
+
+#define	FailIf(inCondition, inHandler, inMessage)										\
+			if(inCondition)																\
+			{																			\
+				STOP;																	\
+				goto inHandler;															\
+			}
+
+#define	FailWithAction(inCondition, inAction, inHandler, inMessage)						\
+			if(inCondition)																\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfNULL(inPointer, inAction, inHandler, inMessage)							\
+			if((inPointer) == NULL)														\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfKernelError(inKernelError, inAction, inHandler, inMessage)				\
+			if((inKernelError) != 0)													\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfError(inError, inAction, inHandler, inMessage)							\
+			if((inError) != 0)															\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfNoMessage(inCondition, inHandler, inMessage)								\
+			if(inCondition)																\
+			{																			\
+				STOP;																	\
+				goto inHandler;															\
+			}
+
+#define	FailWithActionNoMessage(inCondition, inAction, inHandler, inMessage)			\
+			if(inCondition)																\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfNULLNoMessage(inPointer, inAction, inHandler, inMessage)					\
+			if((inPointer) == NULL)														\
+			{																			\
+				STOP;																	\
+				{ inAction; }															\
+				goto inHandler;															\
+			}
+
+#define	FailIfKernelErrorNoMessage(inKernelError, inAction, inHandler, inMessage)		\
+			{																			\
+				unsigned int __Err = (inKernelError);									\
+				if(__Err != 0)															\
+				{																		\
+					STOP;																\
+					{ inAction; }														\
+					goto inHandler;														\
+				}																		\
+			}
+
+#define	FailIfErrorNoMessage(inError, inAction, inHandler, inMessage)					\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					STOP;																\
+					{ inAction; }														\
+					goto inHandler;														\
+				}																		\
+			}
+
+#if defined(__cplusplus)
+
+#define Throw(inException)  __THROW_STOP; throw (inException)
+
+#define	ThrowIf(inCondition, inException, inMessage)									\
+			if(inCondition)																\
+			{																			\
+				Throw(inException);														\
+			}
+
+#define	ThrowIfNULL(inPointer, inException, inMessage)									\
+			if((inPointer) == NULL)														\
+			{																			\
+				Throw(inException);														\
+			}
+
+#define	ThrowIfKernelError(inKernelError, inException, inMessage)						\
+			{																			\
+				int __Err = (inKernelError);											\
+				if(__Err != 0)															\
+				{																		\
+					Throw(inException);													\
+				}																		\
+			}
+
+#define	ThrowIfError(inError, inException, inMessage)									\
+			{																			\
+				SInt32 __Err = (inError);												\
+				if(__Err != 0)															\
+				{																		\
+					Throw(inException);													\
+				}																		\
+			}
+
+#if TARGET_OS_WIN32
+#define	ThrowIfWinError(inError, inException, inMessage)								\
+			{																			\
+				HRESULT __Err = (inError);												\
+				if(FAILED(__Err))														\
+				{																		\
+					Throw(inException);													\
+				}																		\
+			}
+#endif
+
+#define	SubclassResponsibility(inMethodName, inException)								\
+			{																			\
+				Throw(inException);														\
+			}
+
+#endif	//	defined(__cplusplus)
+
+#endif  //  DEBUG || CoreAudio_Debug
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CADebugPrintf.h

@@ -0,0 +1,115 @@
+/*
+     File: CADebugPrintf.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#if !defined(__CADebugPrintf_h__)
+#define __CADebugPrintf_h__
+
+//=============================================================================
+//	Includes
+//=============================================================================
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+#else
+	#include "CoreAudioTypes.h"
+#endif
+
+//=============================================================================
+//	Macros to redirect debugging output to various logging services
+//=============================================================================
+
+//#define	CoreAudio_UseSysLog		1
+//#define	CoreAudio_UseSideFile	"/CoreAudio-%d.txt"
+
+#if	DEBUG || CoreAudio_Debug
+
+	#if	TARGET_OS_WIN32
+		#if defined(__cplusplus)
+		extern "C"
+		#endif
+		extern int CAWin32DebugPrintf(char* inFormat, ...);
+		#define	DebugPrintfRtn			CAWin32DebugPrintf
+		#define	DebugPrintfFile
+		#define	DebugPrintfLineEnding	"\n"
+		#define	DebugPrintfFileComma
+	#else
+		#if	CoreAudio_UseSysLog
+			#include <sys/syslog.h>
+			#define	DebugPrintfRtn	syslog
+			#define	DebugPrintfFile	LOG_NOTICE
+			#define	DebugPrintfLineEnding	""
+			#define	DebugPrintfFileComma	DebugPrintfFile,
+		#elif defined(CoreAudio_UseSideFile)
+			#include <stdio.h>
+			#if defined(__cplusplus)
+			extern "C"
+			#endif
+			void OpenDebugPrintfSideFile();
+			extern FILE* sDebugPrintfSideFile;
+			#define	DebugPrintfRtn	fprintf
+			#define	DebugPrintfFile	((sDebugPrintfSideFile != NULL) ? sDebugPrintfSideFile : stderr)
+			#define	DebugPrintfLineEnding	"\n"
+			#define	DebugPrintfFileComma	DebugPrintfFile,
+		#else
+			#include <stdio.h>
+			#define	DebugPrintfRtn	fprintf
+			#define	DebugPrintfFile	stderr
+			#define	DebugPrintfLineEnding	"\n"
+			#define	DebugPrintfFileComma	DebugPrintfFile,
+		#endif
+	#endif
+
+	#define	DebugPrintf(inFormat, ...)	DebugPrintfRtn(DebugPrintfFileComma inFormat DebugPrintfLineEnding, ## __VA_ARGS__)
+#else
+	#define	DebugPrintfRtn
+	#define	DebugPrintfFile
+	#define	DebugPrintfLineEnding
+	#define	DebugPrintfFileComma
+	#define	DebugPrintf(inFormat, ...)
+#endif
+
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAException.h

@@ -0,0 +1,83 @@
+/*
+     File: CAException.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#if !defined(__CAException_h__)
+#define __CAException_h__
+
+//=============================================================================
+//	Includes
+//=============================================================================
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+#else
+	#include "CoreAudioTypes.h"
+#endif
+
+//=============================================================================
+//	CAException
+//=============================================================================
+
+class CAException
+{
+
+public:
+					CAException(OSStatus inError) : mError(inError) {}
+					CAException(const CAException& inException) : mError(inException.mError) {}
+	CAException&	operator=(const CAException& inException) { mError = inException.mError; return *this; }
+					~CAException() {}
+
+	OSStatus		GetError() const { return mError; }
+
+protected:
+	OSStatus		mError;
+};
+
+#define	CATry								try{
+#define CACatch								} catch(...) {}
+#define	CASwallowException(inExpression)	try { inExpression; } catch(...) {}
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAHostTimeBase.h

@@ -0,0 +1,234 @@
+/*
+     File: CAHostTimeBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#if !defined(__CAHostTimeBase_h__)
+#define __CAHostTimeBase_h__
+
+//=============================================================================
+//	Includes
+//=============================================================================
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+#else
+	#include <CoreAudioTypes.h>
+#endif
+
+#if TARGET_OS_MAC
+	#include <mach/mach_time.h>
+	#include <pthread.h>
+#elif TARGET_OS_WIN32
+	#include <windows.h>
+	#include "WinPThreadDefs.h"
+#else
+	#error	Unsupported operating system
+#endif
+
+#include "CADebugPrintf.h"
+
+//=============================================================================
+//	CAHostTimeBase
+//
+//	This class provides platform independent access to the host's time base.
+//=============================================================================
+
+#if CoreAudio_Debug
+//	#define Log_Host_Time_Base_Parameters	1
+//	#define Track_Host_TimeBase				1
+#endif
+
+class	CAHostTimeBase
+{
+
+public:
+	static UInt64			ConvertToNanos(UInt64 inHostTime);
+	static UInt64			ConvertFromNanos(UInt64 inNanos);
+
+	static UInt64			GetTheCurrentTime();
+#if TARGET_OS_MAC
+	static UInt64			GetCurrentTime() { return GetTheCurrentTime(); }
+#endif
+	static UInt64			GetCurrentTimeInNanos();
+
+	static Float64			GetFrequency() { pthread_once(&sIsInited, Initialize); return sFrequency; }
+	static Float64			GetInverseFrequency() { pthread_once(&sIsInited, Initialize); return sInverseFrequency; }
+	static UInt32			GetMinimumDelta() { pthread_once(&sIsInited, Initialize); return sMinDelta; }
+
+	static UInt64			AbsoluteHostDeltaToNanos(UInt64 inStartTime, UInt64 inEndTime);
+	static SInt64			HostDeltaToNanos(UInt64 inStartTime, UInt64 inEndTime);
+
+	static UInt64			MultiplyByRatio(UInt64 inMuliplicand, UInt32 inNumerator, UInt32 inDenominator);
+
+private:
+	static void				Initialize();
+
+	static pthread_once_t	sIsInited;
+
+	static Float64			sFrequency;
+	static Float64			sInverseFrequency;
+	static UInt32			sMinDelta;
+	static UInt32			sToNanosNumerator;
+	static UInt32			sToNanosDenominator;
+#if Track_Host_TimeBase
+	static UInt64			sLastTime;
+#endif
+};
+
+inline UInt64	CAHostTimeBase::GetTheCurrentTime()
+{
+	UInt64 theTime = 0;
+
+	#if TARGET_OS_MAC
+		theTime = mach_absolute_time();
+	#elif TARGET_OS_WIN32
+		LARGE_INTEGER theValue;
+		QueryPerformanceCounter(&theValue);
+		theTime = *((UInt64*)&theValue);
+	#endif
+
+	#if	Track_Host_TimeBase
+		if(sLastTime != 0)
+		{
+			if(theTime <= sLastTime)
+			{
+				DebugPrintf("CAHostTimeBase::GetTheCurrentTime: the current time is earlier than the last time, now: %qd, then: %qd", theTime, sLastTime);
+			}
+			sLastTime = theTime;
+		}
+		else
+		{
+			sLastTime = theTime;
+		}
+	#endif
+
+	return theTime;
+}
+
+inline UInt64	CAHostTimeBase::ConvertToNanos(UInt64 inHostTime)
+{
+	pthread_once(&sIsInited, Initialize);
+
+	UInt64 theAnswer = MultiplyByRatio(inHostTime, sToNanosNumerator, sToNanosDenominator);
+	#if CoreAudio_Debug
+		if(((sToNanosNumerator > sToNanosDenominator) && (theAnswer < inHostTime)) || ((sToNanosDenominator > sToNanosNumerator) && (theAnswer > inHostTime)))
+		{
+			DebugPrintf("CAHostTimeBase::ConvertToNanos: The conversion wrapped");
+		}
+	#endif
+
+	return theAnswer;
+}
+
+inline UInt64	CAHostTimeBase::ConvertFromNanos(UInt64 inNanos)
+{
+	pthread_once(&sIsInited, Initialize);
+
+	UInt64 theAnswer = MultiplyByRatio(inNanos, sToNanosDenominator, sToNanosNumerator);
+	#if CoreAudio_Debug
+		if(((sToNanosDenominator > sToNanosNumerator) && (theAnswer < inNanos)) || ((sToNanosNumerator > sToNanosDenominator) && (theAnswer > inNanos)))
+		{
+			DebugPrintf("CAHostTimeBase::ConvertFromNanos: The conversion wrapped");
+		}
+	#endif
+
+	return theAnswer;
+}
+
+inline UInt64	CAHostTimeBase::GetCurrentTimeInNanos()
+{
+	return ConvertToNanos(GetTheCurrentTime());
+}
+
+inline UInt64	CAHostTimeBase::AbsoluteHostDeltaToNanos(UInt64 inStartTime, UInt64 inEndTime)
+{
+	UInt64 theAnswer;
+
+	if(inStartTime <= inEndTime)
+	{
+		theAnswer = inEndTime - inStartTime;
+	}
+	else
+	{
+		theAnswer = inStartTime - inEndTime;
+	}
+
+	return ConvertToNanos(theAnswer);
+}
+
+inline SInt64	CAHostTimeBase::HostDeltaToNanos(UInt64 inStartTime, UInt64 inEndTime)
+{
+	SInt64 theAnswer;
+	SInt64 theSign = 1;
+
+	if(inStartTime <= inEndTime)
+	{
+		theAnswer = static_cast<SInt64>(inEndTime - inStartTime);
+	}
+	else
+	{
+		theAnswer = static_cast<SInt64>(inStartTime - inEndTime);
+		theSign = -1;
+	}
+
+	return theSign * static_cast<SInt64>(ConvertToNanos(static_cast<UInt64>(theAnswer)));
+}
+
+inline UInt64	CAHostTimeBase::MultiplyByRatio(UInt64 inMuliplicand, UInt32 inNumerator, UInt32 inDenominator)
+{
+#if TARGET_OS_MAC && TARGET_RT_64_BIT
+	__uint128_t theAnswer = inMuliplicand;
+#else
+	long double theAnswer = inMuliplicand;
+#endif
+	if(inNumerator != inDenominator)
+	{
+		theAnswer *= inNumerator;
+		theAnswer /= inDenominator;
+	}
+	return static_cast<UInt64>(theAnswer);
+}
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAMath.h

@@ -0,0 +1,68 @@
+/*
+     File: CAMath.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAMath_h__
+#define __CAMath_h__
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+#else
+	#include <CoreAudioTypes.h>
+#endif
+
+inline bool fiszero(Float64 f) { return (f == 0.); }
+inline bool fiszero(Float32 f) { return (f == 0.f); }
+
+inline bool fnonzero(Float64 f) { return !fiszero(f); }
+inline bool fnonzero(Float32 f) { return !fiszero(f); }
+
+inline bool fequal(const Float64 &a, const Float64 &b) { return a == b; }
+inline bool fequal(const Float32 &a, const Float32 &b) { return a == b; }
+
+inline bool fnotequal(const Float64 &a, const Float64 &b) { return !fequal(a, b); }
+inline bool fnotequal(const Float32 &a, const Float32 &b) { return !fequal(a, b); }
+
+#endif // __CAMath_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAMutex.cpp

@@ -0,0 +1,345 @@
+/*
+     File: CAMutex.cpp
+ Abstract: CAMutex.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.
+
+*/
+//==================================================================================================
+//	Includes
+//==================================================================================================
+
+//	Self Include
+#include "CAMutex.h"
+
+#if TARGET_OS_MAC
+	#include <errno.h>
+#endif
+
+//	PublicUtility Includes
+#include "CADebugMacros.h"
+#include "CAException.h"
+#include "CAHostTimeBase.h"
+
+//==================================================================================================
+//	Logging
+//==================================================================================================
+
+#if CoreAudio_Debug
+//	#define	Log_Ownership		1
+//	#define	Log_Errors			1
+//	#define Log_LongLatencies	1
+//	#define LongLatencyThreshholdNS	1000000ULL	// nanoseconds
+#endif
+
+//==================================================================================================
+//	CAMutex
+//==================================================================================================
+
+CAMutex::CAMutex(const char* inName)
+:
+	mName(inName),
+	mOwner(0)
+{
+#if TARGET_OS_MAC
+	OSStatus theError = pthread_mutex_init(&mMutex, NULL);
+	ThrowIf(theError != 0, CAException(theError), "CAMutex::CAMutex: Could not init the mutex");
+
+	#if	Log_Ownership
+		DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::CAMutex: creating %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), mName, mOwner);
+	#endif
+#elif TARGET_OS_WIN32
+	mMutex = CreateMutex(NULL, false, NULL);
+	ThrowIfNULL(mMutex, CAException(GetLastError()), "CAMutex::CAMutex: could not create the mutex.");
+
+	#if	Log_Ownership
+		DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::CAMutex: creating %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), mName, mOwner);
+	#endif
+#endif
+}
+
+CAMutex::~CAMutex()
+{
+#if TARGET_OS_MAC
+	#if	Log_Ownership
+		DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::~CAMutex: destroying %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), mName, mOwner);
+	#endif
+	pthread_mutex_destroy(&mMutex);
+#elif TARGET_OS_WIN32
+	#if	Log_Ownership
+		DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::~CAMutex: destroying %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), mName, mOwner);
+	#endif
+	if(mMutex != NULL)
+	{
+		CloseHandle(mMutex);
+	}
+#endif
+}
+
+bool	CAMutex::Lock()
+{
+	bool theAnswer = false;
+
+#if TARGET_OS_MAC
+	pthread_t theCurrentThread = pthread_self();
+	if(!pthread_equal(theCurrentThread, mOwner))
+	{
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Lock: thread %p is locking %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
+		#endif
+
+		#if Log_LongLatencies
+			UInt64 lockTryTime = CAHostTimeBase::GetCurrentTimeInNanos();
+		#endif
+
+		OSStatus theError = pthread_mutex_lock(&mMutex);
+		ThrowIf(theError != 0, CAException(theError), "CAMutex::Lock: Could not lock the mutex");
+		mOwner = theCurrentThread;
+		theAnswer = true;
+
+		#if Log_LongLatencies
+			UInt64 lockAcquireTime = CAHostTimeBase::GetCurrentTimeInNanos();
+			if (lockAcquireTime - lockTryTime >= LongLatencyThresholdNS)
+				DebugPrintfRtn(DebugPrintfFileComma "Thread %p took %.6fs to acquire the lock %s\n", theCurrentThread, (lockAcquireTime - lockTryTime) * 1.0e-9 /* nanos to seconds */, mName);
+		#endif
+
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Lock: thread %p has locked %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), pthread_self(), mName, mOwner);
+		#endif
+	}
+#elif TARGET_OS_WIN32
+	if(mOwner != GetCurrentThreadId())
+	{
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Lock: thread %lu is locking %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+		#endif
+
+		OSStatus theError = WaitForSingleObject(mMutex, INFINITE);
+		ThrowIfError(theError, CAException(theError), "CAMutex::Lock: could not lock the mutex");
+		mOwner = GetCurrentThreadId();
+		theAnswer = true;
+
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Lock: thread %lu has locked %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+		#endif
+	}
+#endif
+
+	return theAnswer;
+}
+
+void	CAMutex::Unlock()
+{
+#if TARGET_OS_MAC
+	if(pthread_equal(pthread_self(), mOwner))
+	{
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Unlock: thread %p is unlocking %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), pthread_self(), mName, mOwner);
+		#endif
+
+		mOwner = 0;
+		OSStatus theError = pthread_mutex_unlock(&mMutex);
+		ThrowIf(theError != 0, CAException(theError), "CAMutex::Unlock: Could not unlock the mutex");
+
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Unlock: thread %p has unlocked %s, owner: %p\n", pthread_self(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), pthread_self(), mName, mOwner);
+		#endif
+	}
+	else
+	{
+		DebugMessage("CAMutex::Unlock: A thread is attempting to unlock a Mutex it doesn't own");
+	}
+#elif TARGET_OS_WIN32
+	if(mOwner == GetCurrentThreadId())
+	{
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Unlock: thread %lu is unlocking %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+		#endif
+
+		mOwner = 0;
+		bool wasReleased = ReleaseMutex(mMutex);
+		ThrowIf(!wasReleased, CAException(GetLastError()), "CAMutex::Unlock: Could not unlock the mutex");
+
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Unlock: thread %lu has unlocked %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+		#endif
+	}
+	else
+	{
+		DebugMessage("CAMutex::Unlock: A thread is attempting to unlock a Mutex it doesn't own");
+	}
+#endif
+}
+
+bool	CAMutex::Try(bool& outWasLocked)
+{
+	bool theAnswer = false;
+	outWasLocked = false;
+
+#if TARGET_OS_MAC
+	pthread_t theCurrentThread = pthread_self();
+	if(!pthread_equal(theCurrentThread, mOwner))
+	{
+		//	this means the current thread doesn't already own the lock
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Try: thread %p is try-locking %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
+		#endif
+
+		//	go ahead and call trylock to see if we can lock it.
+		int theError = pthread_mutex_trylock(&mMutex);
+		if(theError == 0)
+		{
+			//	return value of 0 means we successfully locked the lock
+			mOwner = theCurrentThread;
+			theAnswer = true;
+			outWasLocked = true;
+
+			#if	Log_Ownership
+				DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Try: thread %p has locked %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
+			#endif
+		}
+		else if(theError == EBUSY)
+		{
+			//	return value of EBUSY means that the lock was already locked by another thread
+			theAnswer = false;
+			outWasLocked = false;
+
+			#if	Log_Ownership
+				DebugPrintfRtn(DebugPrintfFileComma "%p %.4f: CAMutex::Try: thread %p failed to lock %s, owner: %p\n", theCurrentThread, ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), theCurrentThread, mName, mOwner);
+			#endif
+		}
+		else
+		{
+			//	any other return value means something really bad happenned
+			ThrowIfError(theError, CAException(theError), "CAMutex::Try: call to pthread_mutex_trylock failed");
+		}
+	}
+	else
+	{
+		//	this means the current thread already owns the lock
+		theAnswer = true;
+		outWasLocked = false;
+	}
+#elif TARGET_OS_WIN32
+	if(mOwner != GetCurrentThreadId())
+	{
+		//	this means the current thread doesn't own the lock
+		#if	Log_Ownership
+			DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Try: thread %lu is try-locking %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+		#endif
+
+		//	try to acquire the mutex
+		OSStatus theError = WaitForSingleObject(mMutex, 0);
+		if(theError == WAIT_OBJECT_0)
+		{
+			//	this means we successfully locked the lock
+			mOwner = GetCurrentThreadId();
+			theAnswer = true;
+			outWasLocked = true;
+
+			#if	Log_Ownership
+				DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Try: thread %lu has locked %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+			#endif
+		}
+		else if(theError == WAIT_TIMEOUT)
+		{
+			//	this means that the lock was already locked by another thread
+			theAnswer = false;
+			outWasLocked = false;
+
+			#if	Log_Ownership
+				DebugPrintfRtn(DebugPrintfFileComma "%lu %.4f: CAMutex::Try: thread %lu failed to lock %s, owner: %lu\n", GetCurrentThreadId(), ((Float64)(CAHostTimeBase::GetCurrentTimeInNanos()) / 1000000.0), GetCurrentThreadId(), mName, mOwner);
+			#endif
+		}
+		else
+		{
+			//	any other return value means something really bad happenned
+			ThrowIfError(theError, CAException(GetLastError()), "CAMutex::Try: call to lock the mutex failed");
+		}
+	}
+	else
+	{
+		//	this means the current thread already owns the lock
+		theAnswer = true;
+		outWasLocked = false;
+	}
+#endif
+
+	return theAnswer;
+}
+
+bool	CAMutex::IsFree() const
+{
+	return mOwner == 0;
+}
+
+bool	CAMutex::IsOwnedByCurrentThread() const
+{
+	bool theAnswer = true;
+
+#if TARGET_OS_MAC
+	theAnswer = pthread_equal(pthread_self(), mOwner);
+#elif TARGET_OS_WIN32
+	theAnswer = (mOwner == GetCurrentThreadId());
+#endif
+
+	return theAnswer;
+}
+
+
+CAMutex::Unlocker::Unlocker(CAMutex& inMutex)
+:	mMutex(inMutex),
+	mNeedsLock(false)
+{
+	Assert(mMutex.IsOwnedByCurrentThread(), "Major problem: Unlocker attempted to unlock a mutex not owned by the current thread!");
+
+	mMutex.Unlock();
+	mNeedsLock = true;
+}
+
+CAMutex::Unlocker::~Unlocker()
+{
+	if(mNeedsLock)
+	{
+		mMutex.Lock();
+	}
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAMutex.h

@@ -0,0 +1,163 @@
+/*
+     File: CAMutex.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAMutex_h__
+#define __CAMutex_h__
+
+//==================================================================================================
+//	Includes
+//==================================================================================================
+
+//	System Includes
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+#else
+	#include <CoreAudioTypes.h>
+#endif
+
+#if TARGET_OS_MAC
+	#include <pthread.h>
+#elif TARGET_OS_WIN32
+	#include <windows.h>
+#else
+	#error	Unsupported operating system
+#endif
+
+//==================================================================================================
+//	A recursive mutex.
+//==================================================================================================
+
+class	CAMutex
+{
+//	Construction/Destruction
+public:
+					CAMutex(const char* inName);
+	virtual			~CAMutex();
+
+//	Actions
+public:
+	virtual bool	Lock();
+	virtual void	Unlock();
+	virtual bool	Try(bool& outWasLocked);	// returns true if lock is free, false if not
+
+	virtual bool	IsFree() const;
+	virtual bool	IsOwnedByCurrentThread() const;
+
+//	Implementation
+protected:
+	const char*		mName;
+#if TARGET_OS_MAC
+	pthread_t		mOwner;
+	pthread_mutex_t	mMutex;
+#elif TARGET_OS_WIN32
+	UInt32			mOwner;
+	HANDLE			mMutex;
+#endif
+
+//	Helper class to manage taking and releasing recursively
+public:
+	class			Locker
+	{
+
+	//	Construction/Destruction
+	public:
+					Locker(CAMutex& inMutex) : mMutex(&inMutex), mNeedsRelease(false) { mNeedsRelease = mMutex->Lock(); }
+					Locker(CAMutex* inMutex) : mMutex(inMutex), mNeedsRelease(false) { mNeedsRelease = (mMutex != NULL && mMutex->Lock()); }
+						// in this case the mutex can be null
+					~Locker() { if(mNeedsRelease) { mMutex->Unlock(); } }
+
+
+	private:
+					Locker(const Locker&);
+		Locker&		operator=(const Locker&);
+
+	//	Implementation
+	private:
+		CAMutex*	mMutex;
+		bool		mNeedsRelease;
+
+	};
+
+// Unlocker
+	class Unlocker
+	{
+	public:
+						Unlocker(CAMutex& inMutex);
+						~Unlocker();
+
+	private:
+		CAMutex&	mMutex;
+		bool		mNeedsLock;
+
+		// Hidden definitions of copy ctor, assignment operator
+		Unlocker(const Unlocker& copy);				// Not implemented
+		Unlocker& operator=(const Unlocker& copy);	// Not implemented
+	};
+
+// you can use this with Try - if you take the lock in try, pass in the outWasLocked var
+	class Tryer {
+
+	//	Construction/Destruction
+	public:
+		Tryer (CAMutex &mutex) : mMutex(mutex), mNeedsRelease(false), mHasLock(false) { mHasLock = mMutex.Try (mNeedsRelease); }
+		~Tryer () { if (mNeedsRelease) mMutex.Unlock(); }
+
+		bool HasLock () const { return mHasLock; }
+
+	private:
+					Tryer(const Tryer&);
+		Tryer&		operator=(const Tryer&);
+
+	//	Implementation
+	private:
+		CAMutex &		mMutex;
+		bool			mNeedsRelease;
+		bool			mHasLock;
+	};
+};
+
+
+#endif // __CAMutex_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAReferenceCounted.h

@@ -0,0 +1,97 @@
+/*
+     File: CAReferenceCounted.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAReferenceCounted_h__
+#define __CAReferenceCounted_h__
+
+#include "CAAtomic.h"
+
+// base class for reference-counted objects
+class CAReferenceCounted {
+public:
+	CAReferenceCounted() : mRefCount(1) {}
+
+	void	retain() { CAAtomicIncrement32(&mRefCount); }
+
+	void	release()
+			{
+				SInt32 rc = CAAtomicDecrement32(&mRefCount);
+				if (rc == 0) {
+					releaseObject();
+				}
+			}
+
+
+	class Retainer {
+	public:
+		Retainer(CAReferenceCounted *obj) : mObject(obj) { mObject->retain(); }
+		~Retainer() { mObject->release(); }
+
+	private:
+		CAReferenceCounted *	mObject;
+	};
+
+protected:
+    virtual	~CAReferenceCounted() { }
+
+	virtual void releaseObject ()
+			{
+				delete this;
+			}
+
+#if DEBUG
+public:
+#endif
+	SInt32	GetReferenceCount() const { return mRefCount; }
+private:
+	SInt32		mRefCount;
+
+	CAReferenceCounted(const CAReferenceCounted &a);
+	CAReferenceCounted &operator=(const CAReferenceCounted &a);
+};
+
+
+#endif // __CAReferenceCounted_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAStreamBasicDescription.cpp

@@ -0,0 +1,879 @@
+/*
+     File: CAStreamBasicDescription.cpp
+ Abstract: CAStreamBasicDescription.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 "CAStreamBasicDescription.h"
+#include "CAMath.h"
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreFoundation/CFByteOrder.h>
+#else
+	#include <CFByteOrder.h>
+#endif
+
+#pragma mark	This file needs to compile on earlier versions of the OS, so please keep that in mind when editing it
+
+char *CAStringForOSType (OSType t, char *writeLocation, size_t bufsize)
+{
+	if (bufsize > 0) {
+		char *p = writeLocation, *pend = writeLocation + bufsize;
+		union { UInt32 i; unsigned char str[4]; } u;
+		unsigned char *q = u.str;
+		u.i = CFSwapInt32HostToBig(t);
+
+		bool hasNonPrint = false;
+		for (int i = 0; i < 4; ++i) {
+			if (!(isprint(*q) && *q != '\\')) {
+				hasNonPrint = true;
+				break;
+			}
+            q++;
+		}
+        q = u.str;
+
+		if (hasNonPrint)
+			p += snprintf (p, pend - p, "0x");
+		else if (p < pend)
+			*p++ = '\'';
+
+		for (int i = 0; i < 4 && p < pend; ++i) {
+			if (hasNonPrint) {
+				p += snprintf(p, pend - p, "%02X", *q++);
+			} else {
+				*p++ = *q++;
+			}
+		}
+		if (!hasNonPrint && p < pend)
+			*p++ = '\'';
+		if (p >= pend) p -= 1;
+		*p = '\0';
+	}
+	return writeLocation;
+}
+
+
+const AudioStreamBasicDescription	CAStreamBasicDescription::sEmpty = { 0.0, 0, 0, 0, 0, 0, 0, 0, 0 };
+
+CAStreamBasicDescription::CAStreamBasicDescription()
+{
+	memset (this, 0, sizeof(AudioStreamBasicDescription));
+}
+
+CAStreamBasicDescription::CAStreamBasicDescription(const AudioStreamBasicDescription &desc)
+{
+	SetFrom(desc);
+}
+
+
+CAStreamBasicDescription::CAStreamBasicDescription(double inSampleRate,		UInt32 inFormatID,
+									UInt32 inBytesPerPacket,	UInt32 inFramesPerPacket,
+									UInt32 inBytesPerFrame,		UInt32 inChannelsPerFrame,
+									UInt32 inBitsPerChannel,	UInt32 inFormatFlags)
+{
+	mSampleRate = inSampleRate;
+	mFormatID = inFormatID;
+	mBytesPerPacket = inBytesPerPacket;
+	mFramesPerPacket = inFramesPerPacket;
+	mBytesPerFrame = inBytesPerFrame;
+	mChannelsPerFrame = inChannelsPerFrame;
+	mBitsPerChannel = inBitsPerChannel;
+	mFormatFlags = inFormatFlags;
+	mReserved = 0;
+}
+
+char *CAStreamBasicDescription::AsString(char *buf, size_t _bufsize, bool brief /*=false*/) const
+{
+	int bufsize = (int)_bufsize;	// must be signed to protect against overflow
+	char *theBuffer = buf;
+	int nc;
+	char formatID[24];
+	CAStringForOSType(mFormatID, formatID, sizeof(formatID));
+	if (brief) {
+		CommonPCMFormat com;
+		bool interleaved;
+		if (IdentifyCommonPCMFormat(com, &interleaved) && com != kPCMFormatOther) {
+			const char *desc;
+			switch (com) {
+			case kPCMFormatInt16:
+				desc = "Int16";
+				break;
+			case kPCMFormatFixed824:
+				desc = "Int8.24";
+				break;
+			case kPCMFormatFloat32:
+				desc = "Float32";
+				break;
+			case kPCMFormatFloat64:
+				desc = "Float64";
+				break;
+			default:
+				desc = NULL;
+				break;
+			}
+			if (desc) {
+				const char *inter ="";
+				if (mChannelsPerFrame > 1)
+					inter = !interleaved ? ", non-inter" : ", inter";
+				snprintf(buf, static_cast<size_t>(bufsize), "%2d ch, %6.0f Hz, %s%s", (int)mChannelsPerFrame, mSampleRate, desc, inter);
+				return theBuffer;
+			}
+		}
+		if (mChannelsPerFrame == 0 && mSampleRate == 0.0 && mFormatID == 0) {
+			snprintf(buf, static_cast<size_t>(bufsize), "%2d ch, %6.0f Hz", (int)mChannelsPerFrame, mSampleRate);
+			return theBuffer;
+		}
+	}
+
+	nc = snprintf(buf, static_cast<size_t>(bufsize), "%2d ch, %6.0f Hz, %s (0x%08X) ", (int)NumberChannels(), mSampleRate, formatID, (int)mFormatFlags);
+	buf += nc; if ((bufsize -= nc) <= 0) goto exit;
+	if (mFormatID == kAudioFormatLinearPCM) {
+		bool isInt = !(mFormatFlags & kLinearPCMFormatFlagIsFloat);
+		int wordSize = static_cast<int>(SampleWordSize());
+		const char *endian = (wordSize > 1) ?
+			((mFormatFlags & kLinearPCMFormatFlagIsBigEndian) ? " big-endian" : " little-endian" ) : "";
+		const char *sign = isInt ?
+			((mFormatFlags & kLinearPCMFormatFlagIsSignedInteger) ? " signed" : " unsigned") : "";
+		const char *floatInt = isInt ? "integer" : "float";
+		char packed[32];
+		if (wordSize > 0 && PackednessIsSignificant()) {
+			if (mFormatFlags & kLinearPCMFormatFlagIsPacked)
+				snprintf(packed, sizeof(packed), "packed in %d bytes", wordSize);
+			else
+				snprintf(packed, sizeof(packed), "unpacked in %d bytes", wordSize);
+		} else
+			packed[0] = '\0';
+		const char *align = (wordSize > 0 && AlignmentIsSignificant()) ?
+			((mFormatFlags & kLinearPCMFormatFlagIsAlignedHigh) ? " high-aligned" : " low-aligned") : "";
+		const char *deinter = (mFormatFlags & kAudioFormatFlagIsNonInterleaved) ? ", deinterleaved" : "";
+		const char *commaSpace = (packed[0]!='\0') || (align[0]!='\0') ? ", " : "";
+		char bitdepth[20];
+
+		int fracbits = (mFormatFlags & kLinearPCMFormatFlagsSampleFractionMask) >> kLinearPCMFormatFlagsSampleFractionShift;
+		if (fracbits > 0)
+			snprintf(bitdepth, sizeof(bitdepth), "%d.%d", (int)mBitsPerChannel - fracbits, fracbits);
+		else
+			snprintf(bitdepth, sizeof(bitdepth), "%d", (int)mBitsPerChannel);
+
+		/*nc =*/ snprintf(buf, static_cast<size_t>(bufsize), "%s-bit%s%s %s%s%s%s%s",
+			bitdepth, endian, sign, floatInt,
+			commaSpace, packed, align, deinter);
+		// buf += nc; if ((bufsize -= nc) <= 0) goto exit;
+	} else if (mFormatID == kAudioFormatAppleLossless) {
+		int sourceBits = 0;
+		switch (mFormatFlags)
+		{
+			case 1:	//	kAppleLosslessFormatFlag_16BitSourceData
+				sourceBits = 16;
+				break;
+    		case 2:	//	kAppleLosslessFormatFlag_20BitSourceData
+    			sourceBits = 20;
+    			break;
+    		case 3:	//	kAppleLosslessFormatFlag_24BitSourceData
+    			sourceBits = 24;
+    			break;
+    		case 4:	//	kAppleLosslessFormatFlag_32BitSourceData
+    			sourceBits = 32;
+    			break;
+		}
+		if (sourceBits)
+			nc = snprintf(buf, static_cast<size_t>(bufsize), "from %d-bit source, ", sourceBits);
+		else
+			nc = snprintf(buf, static_cast<size_t>(bufsize), "from UNKNOWN source bit depth, ");
+		buf += nc; if ((bufsize -= nc) <= 0) goto exit;
+		/*nc =*/ snprintf(buf, static_cast<size_t>(bufsize), "%d frames/packet", (int)mFramesPerPacket);
+		//	buf += nc; if ((bufsize -= nc) <= 0) goto exit;
+	}
+	else
+		/*nc =*/ snprintf(buf, static_cast<size_t>(bufsize), "%d bits/channel, %d bytes/packet, %d frames/packet, %d bytes/frame",
+			(int)mBitsPerChannel, (int)mBytesPerPacket, (int)mFramesPerPacket, (int)mBytesPerFrame);
+exit:
+	return theBuffer;
+}
+
+void	CAStreamBasicDescription::NormalizeLinearPCMFormat(AudioStreamBasicDescription& ioDescription)
+{
+	//  the only thing that changes is to make mixable linear PCM into the canonical linear PCM format
+	if((ioDescription.mFormatID == kAudioFormatLinearPCM) && ((ioDescription.mFormatFlags & kIsNonMixableFlag) == 0))
+	{
+		//  the canonical linear PCM format
+		ioDescription.mFormatFlags = kAudioFormatFlagsCanonical;
+		ioDescription.mBytesPerPacket = SizeOf32(AudioSampleType) * ioDescription.mChannelsPerFrame;
+		ioDescription.mFramesPerPacket = 1;
+		ioDescription.mBytesPerFrame = SizeOf32(AudioSampleType) * ioDescription.mChannelsPerFrame;
+		ioDescription.mBitsPerChannel = 8 * SizeOf32(AudioSampleType);
+	}
+}
+
+void	CAStreamBasicDescription::NormalizeLinearPCMFormat(bool inNativeEndian, AudioStreamBasicDescription& ioDescription)
+{
+	//  the only thing that changes is to make mixable linear PCM into the canonical linear PCM format
+	if((ioDescription.mFormatID == kAudioFormatLinearPCM) && ((ioDescription.mFormatFlags & kIsNonMixableFlag) == 0))
+	{
+		//  the canonical linear PCM format
+		ioDescription.mFormatFlags = kAudioFormatFlagIsFloat | kAudioFormatFlagIsPacked;
+		if(inNativeEndian)
+		{
+#if TARGET_RT_BIG_ENDIAN
+			ioDescription.mFormatFlags |= kAudioFormatFlagIsBigEndian;
+#endif
+		}
+		else
+		{
+#if TARGET_RT_LITTLE_ENDIAN
+			ioDescription.mFormatFlags |= kAudioFormatFlagIsBigEndian;
+#endif
+		}
+		ioDescription.mBytesPerPacket = SizeOf32(AudioSampleType) * ioDescription.mChannelsPerFrame;
+		ioDescription.mFramesPerPacket = 1;
+		ioDescription.mBytesPerFrame = SizeOf32(AudioSampleType) * ioDescription.mChannelsPerFrame;
+		ioDescription.mBitsPerChannel = 8 * SizeOf32(AudioSampleType);
+	}
+}
+
+void	CAStreamBasicDescription::ResetFormat(AudioStreamBasicDescription& ioDescription)
+{
+	ioDescription.mSampleRate = 0;
+	ioDescription.mFormatID = 0;
+	ioDescription.mBytesPerPacket = 0;
+	ioDescription.mFramesPerPacket = 0;
+	ioDescription.mBytesPerFrame = 0;
+	ioDescription.mChannelsPerFrame = 0;
+	ioDescription.mBitsPerChannel = 0;
+	ioDescription.mFormatFlags = 0;
+}
+
+void	CAStreamBasicDescription::FillOutFormat(AudioStreamBasicDescription& ioDescription, const AudioStreamBasicDescription& inTemplateDescription)
+{
+	if(fiszero(ioDescription.mSampleRate))
+	{
+		ioDescription.mSampleRate = inTemplateDescription.mSampleRate;
+	}
+	if(ioDescription.mFormatID == 0)
+	{
+		ioDescription.mFormatID = inTemplateDescription.mFormatID;
+	}
+	if(ioDescription.mFormatFlags == 0)
+	{
+		ioDescription.mFormatFlags = inTemplateDescription.mFormatFlags;
+	}
+	if(ioDescription.mBytesPerPacket == 0)
+	{
+		ioDescription.mBytesPerPacket = inTemplateDescription.mBytesPerPacket;
+	}
+	if(ioDescription.mFramesPerPacket == 0)
+	{
+		ioDescription.mFramesPerPacket = inTemplateDescription.mFramesPerPacket;
+	}
+	if(ioDescription.mBytesPerFrame == 0)
+	{
+		ioDescription.mBytesPerFrame = inTemplateDescription.mBytesPerFrame;
+	}
+	if(ioDescription.mChannelsPerFrame == 0)
+	{
+		ioDescription.mChannelsPerFrame = inTemplateDescription.mChannelsPerFrame;
+	}
+	if(ioDescription.mBitsPerChannel == 0)
+	{
+		ioDescription.mBitsPerChannel = inTemplateDescription.mBitsPerChannel;
+	}
+}
+
+void	CAStreamBasicDescription::GetSimpleName(const AudioStreamBasicDescription& inDescription, char* outName, UInt32 inMaxNameLength, bool inAbbreviate, bool inIncludeSampleRate)
+{
+	if(inIncludeSampleRate)
+	{
+		int theCharactersWritten = snprintf(outName, inMaxNameLength, "%.0f ", inDescription.mSampleRate);
+		outName += theCharactersWritten;
+		inMaxNameLength -= static_cast<UInt32>(theCharactersWritten);
+	}
+
+	switch(inDescription.mFormatID)
+	{
+		case kAudioFormatLinearPCM:
+			{
+				const char* theEndianString = NULL;
+				if((inDescription.mFormatFlags & kAudioFormatFlagIsBigEndian) != 0)
+				{
+					#if	TARGET_RT_LITTLE_ENDIAN
+						theEndianString = "Big Endian";
+					#endif
+				}
+				else
+				{
+					#if	TARGET_RT_BIG_ENDIAN
+						theEndianString = "Little Endian";
+					#endif
+				}
+
+				const char* theKindString = NULL;
+				if((inDescription.mFormatFlags & kAudioFormatFlagIsFloat) != 0)
+				{
+					theKindString = (inAbbreviate ? "Float" : "Floating Point");
+				}
+				else if((inDescription.mFormatFlags & kAudioFormatFlagIsSignedInteger) != 0)
+				{
+					theKindString = (inAbbreviate ? "SInt" : "Signed Integer");
+				}
+				else
+				{
+					theKindString = (inAbbreviate ? "UInt" : "Unsigned Integer");
+				}
+
+				const char* thePackingString = NULL;
+				if((inDescription.mFormatFlags & kAudioFormatFlagIsPacked) == 0)
+				{
+					if((inDescription.mFormatFlags & kAudioFormatFlagIsAlignedHigh) != 0)
+					{
+						thePackingString = "High";
+					}
+					else
+					{
+						thePackingString = "Low";
+					}
+				}
+
+				const char* theMixabilityString = NULL;
+				if((inDescription.mFormatFlags & kIsNonMixableFlag) == 0)
+				{
+					theMixabilityString = "Mixable";
+				}
+				else
+				{
+					theMixabilityString = "Unmixable";
+				}
+
+				if(inAbbreviate)
+				{
+					if(theEndianString != NULL)
+					{
+						if(thePackingString != NULL)
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Ch %s %s %s%d/%s%d", theMixabilityString, (int)inDescription.mChannelsPerFrame, theEndianString, thePackingString, theKindString, (int)inDescription.mBitsPerChannel, theKindString, (int)(inDescription.mBytesPerFrame / inDescription.mChannelsPerFrame) * 8);
+						}
+						else
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Ch %s %s%d", theMixabilityString, (int)inDescription.mChannelsPerFrame, theEndianString, theKindString, (int)inDescription.mBitsPerChannel);
+						}
+					}
+					else
+					{
+						if(thePackingString != NULL)
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Ch %s %s%d/%s%d", theMixabilityString, (int)inDescription.mChannelsPerFrame, thePackingString, theKindString, (int)inDescription.mBitsPerChannel, theKindString, (int)((inDescription.mBytesPerFrame / inDescription.mChannelsPerFrame) * 8));
+						}
+						else
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Ch %s%d", theMixabilityString, (int)inDescription.mChannelsPerFrame, theKindString, (int)inDescription.mBitsPerChannel);
+						}
+					}
+				}
+				else
+				{
+					if(theEndianString != NULL)
+					{
+						if(thePackingString != NULL)
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Channel %d Bit %s %s Aligned %s in %d Bits", theMixabilityString, (int)inDescription.mChannelsPerFrame, (int)inDescription.mBitsPerChannel, theEndianString, theKindString, thePackingString, (int)(inDescription.mBytesPerFrame / inDescription.mChannelsPerFrame) * 8);
+						}
+						else
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Channel %d Bit %s %s", theMixabilityString, (int)inDescription.mChannelsPerFrame, (int)inDescription.mBitsPerChannel, theEndianString, theKindString);
+						}
+					}
+					else
+					{
+						if(thePackingString != NULL)
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Channel %d Bit %s Aligned %s in %d Bits", theMixabilityString, (int)inDescription.mChannelsPerFrame, (int)inDescription.mBitsPerChannel, theKindString, thePackingString, (int)(inDescription.mBytesPerFrame / inDescription.mChannelsPerFrame) * 8);
+						}
+						else
+						{
+							snprintf(outName, inMaxNameLength, "%s %d Channel %d Bit %s", theMixabilityString, (int)inDescription.mChannelsPerFrame, (int)inDescription.mBitsPerChannel, theKindString);
+						}
+					}
+				}
+			}
+			break;
+
+		case kAudioFormatAC3:
+			strlcpy(outName, "AC-3", sizeof(outName));
+			break;
+
+		case kAudioFormat60958AC3:
+			strlcpy(outName, "AC-3 for SPDIF", sizeof(outName));
+			break;
+
+		default:
+			CACopy4CCToCString(outName, inDescription.mFormatID);
+			break;
+	};
+}
+
+#if CoreAudio_Debug
+#include "CALogMacros.h"
+
+void	CAStreamBasicDescription::PrintToLog(const AudioStreamBasicDescription& inDesc)
+{
+	PrintFloat		("  Sample Rate:        ", inDesc.mSampleRate);
+	Print4CharCode	("  Format ID:          ", inDesc.mFormatID);
+	PrintHex		("  Format Flags:       ", inDesc.mFormatFlags);
+	PrintInt		("  Bytes per Packet:   ", inDesc.mBytesPerPacket);
+	PrintInt		("  Frames per Packet:  ", inDesc.mFramesPerPacket);
+	PrintInt		("  Bytes per Frame:    ", inDesc.mBytesPerFrame);
+	PrintInt		("  Channels per Frame: ", inDesc.mChannelsPerFrame);
+	PrintInt		("  Bits per Channel:   ", inDesc.mBitsPerChannel);
+}
+#endif
+
+bool	operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y)
+{
+	bool theAnswer = false;
+	bool isDone = false;
+
+	//	note that if either side is 0, that field is skipped
+
+	//	format ID is the first order sort
+	if((!isDone) && ((x.mFormatID != 0) && (y.mFormatID != 0)))
+	{
+		if(x.mFormatID != y.mFormatID)
+		{
+			//	formats are sorted numerically except that linear
+			//	PCM is always first
+			if(x.mFormatID == kAudioFormatLinearPCM)
+			{
+				theAnswer = true;
+			}
+			else if(y.mFormatID == kAudioFormatLinearPCM)
+			{
+				theAnswer = false;
+			}
+			else
+			{
+				theAnswer = x.mFormatID < y.mFormatID;
+			}
+			isDone = true;
+		}
+	}
+
+
+	//  mixable is always better than non-mixable for linear PCM and should be the second order sort item
+	if((!isDone) && ((x.mFormatID == kAudioFormatLinearPCM) && (y.mFormatID == kAudioFormatLinearPCM)))
+	{
+		if(((x.mFormatFlags & kIsNonMixableFlag) == 0) && ((y.mFormatFlags & kIsNonMixableFlag) != 0))
+		{
+			theAnswer = true;
+			isDone = true;
+		}
+		else if(((x.mFormatFlags & kIsNonMixableFlag) != 0) && ((y.mFormatFlags & kIsNonMixableFlag) == 0))
+		{
+			theAnswer = false;
+			isDone = true;
+		}
+	}
+
+	//	floating point vs integer for linear PCM only
+	if((!isDone) && ((x.mFormatID == kAudioFormatLinearPCM) && (y.mFormatID == kAudioFormatLinearPCM)))
+	{
+		if((x.mFormatFlags & kAudioFormatFlagIsFloat) != (y.mFormatFlags & kAudioFormatFlagIsFloat))
+		{
+			//	floating point is better than integer
+			theAnswer = y.mFormatFlags & kAudioFormatFlagIsFloat;
+			isDone = true;
+		}
+	}
+
+	//	bit depth
+	if((!isDone) && ((x.mBitsPerChannel != 0) && (y.mBitsPerChannel != 0)))
+	{
+		if(x.mBitsPerChannel != y.mBitsPerChannel)
+		{
+			//	deeper bit depths are higher quality
+			theAnswer = x.mBitsPerChannel < y.mBitsPerChannel;
+			isDone = true;
+		}
+	}
+
+	//	sample rate
+	if((!isDone) && fnonzero(x.mSampleRate) && fnonzero(y.mSampleRate))
+	{
+		if(fnotequal(x.mSampleRate, y.mSampleRate))
+		{
+			//	higher sample rates are higher quality
+			theAnswer = x.mSampleRate < y.mSampleRate;
+			isDone = true;
+		}
+	}
+
+	//	number of channels
+	if((!isDone) && ((x.mChannelsPerFrame != 0) && (y.mChannelsPerFrame != 0)))
+	{
+		if(x.mChannelsPerFrame != y.mChannelsPerFrame)
+		{
+			//	more channels is higher quality
+			theAnswer = x.mChannelsPerFrame < y.mChannelsPerFrame;
+			//isDone = true;
+		}
+	}
+
+	return theAnswer;
+}
+
+void CAStreamBasicDescription::ModifyFormatFlagsForMatching(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y, UInt32& xFlags, UInt32& yFlags, bool converterOnly )
+{
+    // match wildcards
+	if (x.mFormatID == 0 || y.mFormatID == 0 || xFlags == 0 || yFlags == 0)
+    {
+		// Obliterate all flags.
+        xFlags = yFlags = 0;
+        return;
+    }
+
+    if (x.mFormatID == kAudioFormatLinearPCM) {
+        // knock off the all clear flag
+        xFlags = xFlags & ~kAudioFormatFlagsAreAllClear;
+        yFlags = yFlags & ~kAudioFormatFlagsAreAllClear;
+
+        // if both kAudioFormatFlagIsPacked bits are set, then we don't care about the kAudioFormatFlagIsAlignedHigh bit.
+        if (xFlags & yFlags & kAudioFormatFlagIsPacked) {
+            xFlags = xFlags & ~static_cast<UInt32>(kAudioFormatFlagIsAlignedHigh);
+            yFlags = yFlags & ~static_cast<UInt32>(kAudioFormatFlagIsAlignedHigh);
+        }
+
+        // if both kAudioFormatFlagIsFloat bits are set, then we don't care about the kAudioFormatFlagIsSignedInteger bit.
+        if (xFlags & yFlags & kAudioFormatFlagIsFloat) {
+            xFlags = xFlags & ~static_cast<UInt32>(kAudioFormatFlagIsSignedInteger);
+            yFlags = yFlags & ~static_cast<UInt32>(kAudioFormatFlagIsSignedInteger);
+        }
+
+        //	if the bit depth is 8 bits or less and the format is packed, we don't care about endianness
+        if((x.mBitsPerChannel <= 8) && ((xFlags & kAudioFormatFlagIsPacked) == kAudioFormatFlagIsPacked))
+        {
+            xFlags = xFlags & ~static_cast<UInt32>(kAudioFormatFlagIsBigEndian);
+        }
+        if((y.mBitsPerChannel <= 8) && ((yFlags & kAudioFormatFlagIsPacked) == kAudioFormatFlagIsPacked))
+        {
+            yFlags = yFlags & ~static_cast<UInt32>(kAudioFormatFlagIsBigEndian);
+        }
+
+        //	if the number of channels is 1, we don't care about non-interleavedness
+        if (x.mChannelsPerFrame == 1 && y.mChannelsPerFrame == 1) {
+            xFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsNonInterleaved);
+            yFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsNonInterleaved);
+        }
+
+        if (converterOnly) {
+            CAStreamBasicDescription cas_x = CAStreamBasicDescription(x);
+            CAStreamBasicDescription cas_y = CAStreamBasicDescription(y);
+            if (!cas_x.PackednessIsSignificant() && !cas_y.PackednessIsSignificant()) {
+                xFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsPacked);
+                yFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsPacked);
+            }
+            if (!cas_x.AlignmentIsSignificant() && !cas_y.AlignmentIsSignificant()) {
+                xFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsAlignedHigh);
+                yFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsAlignedHigh);
+            }
+            // We don't care about whether the streams are mixable in this case
+            xFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsNonMixable);
+            yFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsNonMixable);
+        }
+    }
+}
+
+static bool MatchFormatFlags(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y)
+{
+	UInt32 xFlags = x.mFormatFlags;
+	UInt32 yFlags = y.mFormatFlags;
+
+    CAStreamBasicDescription::ModifyFormatFlagsForMatching(x, y, xFlags, yFlags, false);
+	return xFlags == yFlags;
+}
+
+bool	operator==(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y)
+{
+	//	the semantics for equality are:
+	//		1) Values must match exactly -- except for PCM format flags, see above.
+	//		2) wildcard's are ignored in the comparison
+
+#define MATCH(name) ((x.name) == 0 || (y.name) == 0 || (x.name) == (y.name))
+
+	return
+    //	check all but the format flags
+    CAStreamBasicDescription::FlagIndependentEquivalence(x, y)
+    //	check the format flags
+    && MatchFormatFlags(x, y);
+}
+
+bool    CAStreamBasicDescription::FlagIndependentEquivalence(const AudioStreamBasicDescription &x, const AudioStreamBasicDescription &y)
+{
+    return
+    //	check the sample rate
+    (fiszero(x.mSampleRate) || fiszero(y.mSampleRate) || fequal(x.mSampleRate, y.mSampleRate))
+
+    //	check the format ids
+    && MATCH(mFormatID)
+
+    //	check the bytes per packet
+    && MATCH(mBytesPerPacket)
+
+    //	check the frames per packet
+    && MATCH(mFramesPerPacket)
+
+    //	check the bytes per frame
+    && MATCH(mBytesPerFrame)
+
+    //	check the channels per frame
+    && MATCH(mChannelsPerFrame)
+
+    //	check the channels per frame
+    && MATCH(mBitsPerChannel) ;
+}
+
+bool	CAStreamBasicDescription::IsEqual(const AudioStreamBasicDescription &other, bool interpretingWildcards) const
+{
+	if (interpretingWildcards)
+		return *this == other;
+	return memcmp(this, &other, offsetof(AudioStreamBasicDescription, mReserved)) == 0;
+}
+
+bool    CAStreamBasicDescription::IsFunctionallyEquivalent(const AudioStreamBasicDescription &x, const AudioStreamBasicDescription &y)
+{
+    UInt32 xFlags = x.mFormatFlags, yFlags = y.mFormatFlags;
+    CAStreamBasicDescription::ModifyFormatFlagsForMatching(x, y, xFlags, yFlags, true);
+
+    return
+    // check all but the format flags
+    CAStreamBasicDescription::FlagIndependentEquivalence(x, y)
+    // check the format flags with converter focus
+    && (xFlags == yFlags);
+
+}
+
+bool SanityCheck(const AudioStreamBasicDescription& x)
+{
+	// This function returns false if there are sufficiently insane values in any field.
+	// It is very conservative so even some very unlikely values will pass.
+	// This is just meant to catch the case where the data from a file is corrupted.
+
+	return
+		(x.mSampleRate >= 0.)
+		&& (x.mSampleRate < 3e6)	// SACD sample rate is 2.8224 MHz
+		&& (x.mBytesPerPacket < 1000000)
+		&& (x.mFramesPerPacket < 1000000)
+		&& (x.mBytesPerFrame < 1000000)
+		&& (x.mChannelsPerFrame <= 1024)
+		&& (x.mBitsPerChannel <= 1024)
+		&& (x.mFormatID != 0)
+		&& !(x.mFormatID == kAudioFormatLinearPCM && (x.mFramesPerPacket != 1 || x.mBytesPerPacket != x.mBytesPerFrame));
+}
+
+bool CAStreamBasicDescription::FromText(const char *inTextDesc, AudioStreamBasicDescription &fmt)
+{
+	const char *p = inTextDesc;
+
+	memset(&fmt, 0, sizeof(fmt));
+
+	bool isPCM = true;	// until proven otherwise
+	UInt32 pcmFlags = kAudioFormatFlagIsPacked | kAudioFormatFlagIsSignedInteger;
+
+	if (p[0] == '-')	// previously we required a leading dash on PCM formats
+		++p;
+
+	if (p[0] == 'B' && p[1] == 'E') {
+		pcmFlags |= kLinearPCMFormatFlagIsBigEndian;
+		p += 2;
+	} else if (p[0] == 'L' && p[1] == 'E') {
+		p += 2;
+	} else {
+		// default is native-endian
+#if TARGET_RT_BIG_ENDIAN
+		pcmFlags |= kLinearPCMFormatFlagIsBigEndian;
+#endif
+	}
+	if (p[0] == 'F') {
+		pcmFlags = (pcmFlags & ~static_cast<UInt32>(kAudioFormatFlagIsSignedInteger)) | kAudioFormatFlagIsFloat;
+		++p;
+	} else {
+		if (p[0] == 'U') {
+			pcmFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsSignedInteger);
+			++p;
+		}
+		if (p[0] == 'I')
+			++p;
+		else {
+			// it's not PCM; presumably some other format (NOT VALIDATED; use AudioFormat for that)
+			isPCM = false;
+			p = inTextDesc;	// go back to the beginning
+			char buf[4] = { ' ',' ',' ',' ' };
+			for (int i = 0; i < 4; ++i) {
+				if (*p != '\\') {
+					if ((buf[i] = *p++) == '\0') {
+						// special-case for 'aac'
+						if (i != 3) return false;
+						--p;	// keep pointing at the terminating null
+						buf[i] = ' ';
+						break;
+					}
+				} else {
+					// "\xNN" is a hex byte
+					if (*++p != 'x') return false;
+					int x;
+					if (sscanf(++p, "%02X", &x) != 1) return false;
+					buf[i] = static_cast<char>(x);
+					p += 2;
+				}
+			}
+
+			if (strchr("-@/#", buf[3])) {
+				// further special-casing for 'aac'
+				buf[3] = ' ';
+				--p;
+			}
+
+			memcpy(&fmt.mFormatID, buf, 4);
+			fmt.mFormatID = CFSwapInt32BigToHost(fmt.mFormatID);
+		}
+	}
+
+	if (isPCM) {
+		fmt.mFormatID = kAudioFormatLinearPCM;
+		fmt.mFormatFlags = pcmFlags;
+		fmt.mFramesPerPacket = 1;
+		fmt.mChannelsPerFrame = 1;
+		UInt32 bitdepth = 0, fracbits = 0;
+		while (isdigit(*p))
+			bitdepth = 10 * bitdepth + static_cast<UInt32>(*p++ - '0');
+		if (*p == '.') {
+			++p;
+			if (!isdigit(*p)) {
+				fprintf(stderr, "Expected fractional bits following '.'\n");
+				goto Bail;
+			}
+			while (isdigit(*p))
+				fracbits = 10 * fracbits + static_cast<UInt32>(*p++ - '0');
+			bitdepth += fracbits;
+			fmt.mFormatFlags |= (fracbits << kLinearPCMFormatFlagsSampleFractionShift);
+		}
+		fmt.mBitsPerChannel = bitdepth;
+		fmt.mBytesPerPacket = fmt.mBytesPerFrame = (bitdepth + 7) / 8;
+		if (bitdepth & 7) {
+			// assume unpacked. (packed odd bit depths are describable but not supported in AudioConverter.)
+			fmt.mFormatFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsPacked);
+			// alignment matters; default to high-aligned. use ':L_' for low.
+			fmt.mFormatFlags |= kLinearPCMFormatFlagIsAlignedHigh;
+		}
+	}
+	if (*p == '@') {
+		++p;
+		while (isdigit(*p))
+			fmt.mSampleRate = 10 * fmt.mSampleRate + (*p++ - '0');
+	}
+	if (*p == '/') {
+		UInt32 flags = 0;
+		while (true) {
+			char c = *++p;
+			if (c >= '0' && c <= '9')
+				flags = (flags << 4) | static_cast<UInt32>(c - '0');
+			else if (c >= 'A' && c <= 'F')
+				flags = (flags << 4) | static_cast<UInt32>(c - 'A' + 10);
+			else if (c >= 'a' && c <= 'f')
+				flags = (flags << 4) | static_cast<UInt32>(c - 'a' + 10);
+			else break;
+		}
+		fmt.mFormatFlags = flags;
+	}
+	if (*p == '#') {
+		++p;
+		while (isdigit(*p))
+			fmt.mFramesPerPacket = 10 * fmt.mFramesPerPacket + static_cast<UInt32>(*p++ - '0');
+	}
+	if (*p == ':') {
+		++p;
+		fmt.mFormatFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsPacked);
+		if (*p == 'L')
+			fmt.mFormatFlags &= ~static_cast<UInt32>(kLinearPCMFormatFlagIsAlignedHigh);
+		else if (*p == 'H')
+			fmt.mFormatFlags |= kLinearPCMFormatFlagIsAlignedHigh;
+		else
+			goto Bail;
+		++p;
+		UInt32 bytesPerFrame = 0;
+		while (isdigit(*p))
+			bytesPerFrame = 10 * bytesPerFrame + static_cast<UInt32>(*p++ - '0');
+		fmt.mBytesPerFrame = fmt.mBytesPerPacket = bytesPerFrame;
+	}
+	if (*p == ',') {
+		++p;
+		int ch = 0;
+		while (isdigit(*p))
+			ch = 10 * ch + (*p++ - '0');
+		fmt.mChannelsPerFrame = static_cast<UInt32>(ch);
+		if (*p == 'D') {
+			++p;
+			if (fmt.mFormatID != kAudioFormatLinearPCM) {
+				fprintf(stderr, "non-interleaved flag invalid for non-PCM formats\n");
+				goto Bail;
+			}
+			fmt.mFormatFlags |= kAudioFormatFlagIsNonInterleaved;
+		} else {
+			if (*p == 'I') ++p;	// default
+			if (fmt.mFormatID == kAudioFormatLinearPCM)
+				fmt.mBytesPerPacket = fmt.mBytesPerFrame *= static_cast<UInt32>(ch);
+		}
+	}
+	if (*p != '\0') {
+		fprintf(stderr, "extra characters at end of format string: %s\n", p);
+		goto Bail;
+	}
+	return true;
+
+Bail:
+	fprintf(stderr, "Invalid format string: %s\n", inTextDesc);
+	fprintf(stderr, "Syntax of format strings is: \n");
+	return false;
+}
+
+const char *CAStreamBasicDescription::sTextParsingUsageString =
+	"format[@sample_rate_hz][/format_flags][#frames_per_packet][:LHbytesPerFrame][,channelsDI].\n"
+	"Format for PCM is [-][BE|LE]{F|I|UI}{bitdepth}; else a 4-char format code (e.g. aac, alac).\n";

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAStreamBasicDescription.h

@@ -0,0 +1,424 @@
+/*
+     File: CAStreamBasicDescription.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAStreamBasicDescription_h__
+#define __CAStreamBasicDescription_h__
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+	#include <CoreFoundation/CoreFoundation.h>
+#else
+	#include "CoreAudioTypes.h"
+	#include "CoreFoundation.h"
+#endif
+
+#include "CADebugMacros.h"
+#include <string.h>	// for memset, memcpy
+#include <stdio.h>	// for FILE *
+
+#pragma mark	This file needs to compile on more earlier versions of the OS, so please keep that in mind when editing it
+
+extern char *CAStringForOSType (OSType t, char *writeLocation, size_t bufsize);
+
+// define Leopard specific symbols for backward compatibility if applicable
+#if COREAUDIOTYPES_VERSION < 1050
+typedef Float32 AudioSampleType;
+enum { kAudioFormatFlagsCanonical = kAudioFormatFlagIsFloat | kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked };
+#endif
+#if COREAUDIOTYPES_VERSION < 1051
+typedef Float32 AudioUnitSampleType;
+enum {
+	kLinearPCMFormatFlagsSampleFractionShift    = 7,
+	kLinearPCMFormatFlagsSampleFractionMask     = (0x3F << kLinearPCMFormatFlagsSampleFractionShift),
+};
+#endif
+
+//	define the IsMixable format flag for all versions of the system
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
+	enum { kIsNonMixableFlag = kAudioFormatFlagIsNonMixable };
+#else
+	enum { kIsNonMixableFlag = (1L << 6) };
+#endif
+
+//=============================================================================
+//	CAStreamBasicDescription
+//
+//	This is a wrapper class for the AudioStreamBasicDescription struct.
+//	It adds a number of convenience routines, but otherwise adds nothing
+//	to the footprint of the original struct.
+//=============================================================================
+class CAStreamBasicDescription :
+	public AudioStreamBasicDescription
+{
+
+//	Constants
+public:
+	static const AudioStreamBasicDescription	sEmpty;
+
+	enum CommonPCMFormat {
+		kPCMFormatOther		= 0,
+		kPCMFormatFloat32	= 1,
+		kPCMFormatInt16		= 2,
+		kPCMFormatFixed824	= 3,
+		kPCMFormatFloat64	= 4
+	};
+
+//	Construction/Destruction
+public:
+	CAStreamBasicDescription();
+
+	CAStreamBasicDescription(const AudioStreamBasicDescription &desc);
+
+	CAStreamBasicDescription(		double inSampleRate,		UInt32 inFormatID,
+									UInt32 inBytesPerPacket,	UInt32 inFramesPerPacket,
+									UInt32 inBytesPerFrame,		UInt32 inChannelsPerFrame,
+									UInt32 inBitsPerChannel,	UInt32 inFormatFlags);
+
+	CAStreamBasicDescription(	double inSampleRate, UInt32 inNumChannels, CommonPCMFormat pcmf, bool inIsInterleaved) {
+		unsigned wordsize;
+
+		mSampleRate = inSampleRate;
+		mFormatID = kAudioFormatLinearPCM;
+		mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked;
+		mFramesPerPacket = 1;
+		mChannelsPerFrame = inNumChannels;
+		mBytesPerFrame = mBytesPerPacket = 0;
+		mReserved = 0;
+
+		switch (pcmf) {
+		default:
+			return;
+		case kPCMFormatFloat32:
+			wordsize = 4;
+			mFormatFlags |= kAudioFormatFlagIsFloat;
+			break;
+		case kPCMFormatFloat64:
+			wordsize = 8;
+			mFormatFlags |= kAudioFormatFlagIsFloat;
+			break;
+		case kPCMFormatInt16:
+			wordsize = 2;
+			mFormatFlags |= kAudioFormatFlagIsSignedInteger;
+			break;
+		case kPCMFormatFixed824:
+			wordsize = 4;
+			mFormatFlags |= kAudioFormatFlagIsSignedInteger | (24 << kLinearPCMFormatFlagsSampleFractionShift);
+			break;
+		}
+		mBitsPerChannel = wordsize * 8;
+		if (inIsInterleaved)
+			mBytesPerFrame = mBytesPerPacket = wordsize * inNumChannels;
+		else {
+			mFormatFlags |= kAudioFormatFlagIsNonInterleaved;
+			mBytesPerFrame = mBytesPerPacket = wordsize;
+		}
+	}
+
+//	Assignment
+	CAStreamBasicDescription&	operator=(const AudioStreamBasicDescription& v) { SetFrom(v); return *this; }
+
+	void	SetFrom(const AudioStreamBasicDescription &desc)
+	{
+		memcpy(this, &desc, sizeof(AudioStreamBasicDescription));
+	}
+
+	bool		FromText(const char *inTextDesc) { return FromText(inTextDesc, *this); }
+	static bool	FromText(const char *inTextDesc, AudioStreamBasicDescription &outDesc);
+					// return true if parsing was successful
+
+	static const char *sTextParsingUsageString;
+
+	// _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
+	//
+	// interrogation
+
+	bool	IsPCM() const { return mFormatID == kAudioFormatLinearPCM; }
+
+	bool	PackednessIsSignificant() const
+	{
+		Assert(IsPCM(), "PackednessIsSignificant only applies for PCM");
+		return (SampleWordSize() << 3) != mBitsPerChannel;
+	}
+
+	bool	AlignmentIsSignificant() const
+	{
+		return PackednessIsSignificant() || (mBitsPerChannel & 7) != 0;
+	}
+
+	bool	IsInterleaved() const
+	{
+		return !(mFormatFlags & kAudioFormatFlagIsNonInterleaved);
+	}
+
+	bool	IsSignedInteger() const
+	{
+		return IsPCM() && (mFormatFlags & kAudioFormatFlagIsSignedInteger);
+	}
+
+	bool	IsFloat() const
+	{
+		return IsPCM() && (mFormatFlags & kAudioFormatFlagIsFloat);
+	}
+
+	bool	IsNativeEndian() const
+	{
+		return (mFormatFlags & kAudioFormatFlagIsBigEndian) == kAudioFormatFlagsNativeEndian;
+	}
+
+	// for sanity with interleaved/deinterleaved possibilities, never access mChannelsPerFrame, use these:
+	UInt32	NumberInterleavedChannels() const	{ return IsInterleaved() ? mChannelsPerFrame : 1; }
+	UInt32	NumberChannelStreams() const		{ return IsInterleaved() ? 1 : mChannelsPerFrame; }
+	UInt32	NumberChannels() const				{ return mChannelsPerFrame; }
+	UInt32	SampleWordSize() const				{
+			return (mBytesPerFrame > 0 && NumberInterleavedChannels()) ? mBytesPerFrame / NumberInterleavedChannels() :  0;
+	}
+
+	UInt32	FramesToBytes(UInt32 nframes) const	{ return nframes * mBytesPerFrame; }
+	UInt32	BytesToFrames(UInt32 nbytes) const	{
+		Assert(mBytesPerFrame > 0, "bytesPerFrame must be > 0 in BytesToFrames");
+		return nbytes / mBytesPerFrame;
+	}
+
+	bool	SameChannelsAndInterleaving(const CAStreamBasicDescription &a) const
+	{
+		return this->NumberChannels() == a.NumberChannels() && this->IsInterleaved() == a.IsInterleaved();
+	}
+
+	bool	IdentifyCommonPCMFormat(CommonPCMFormat &outFormat, bool *outIsInterleaved=NULL) const
+	{	// return true if it's a valid PCM format.
+
+		outFormat = kPCMFormatOther;
+		// trap out patently invalid formats.
+		if (mFormatID != kAudioFormatLinearPCM || mFramesPerPacket != 1 || mBytesPerFrame != mBytesPerPacket || mBitsPerChannel/8 > mBytesPerFrame || mChannelsPerFrame == 0)
+			return false;
+		bool interleaved = (mFormatFlags & kAudioFormatFlagIsNonInterleaved) == 0;
+		if (outIsInterleaved != NULL) *outIsInterleaved = interleaved;
+		unsigned wordsize = mBytesPerFrame;
+		if (interleaved) {
+			if (wordsize % mChannelsPerFrame != 0) return false;
+			wordsize /= mChannelsPerFrame;
+		}
+
+		if ((mFormatFlags & kAudioFormatFlagIsBigEndian) == kAudioFormatFlagsNativeEndian
+		&& wordsize * 8 == mBitsPerChannel) {
+			// packed and native endian, good
+			if (mFormatFlags & kLinearPCMFormatFlagIsFloat) {
+				// float: reject nonsense bits
+				if (mFormatFlags & (kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagsSampleFractionMask))
+					return false;
+				if (wordsize == 4)
+					outFormat = kPCMFormatFloat32;
+				if (wordsize == 8)
+					outFormat = kPCMFormatFloat64;
+			} else if (mFormatFlags & kLinearPCMFormatFlagIsSignedInteger) {
+				// signed int
+				unsigned fracbits = (mFormatFlags & kLinearPCMFormatFlagsSampleFractionMask) >> kLinearPCMFormatFlagsSampleFractionShift;
+				if (wordsize == 4 && fracbits == 24)
+					outFormat = kPCMFormatFixed824;
+				else if (wordsize == 2 && fracbits == 0)
+					outFormat = kPCMFormatInt16;
+			}
+		}
+		return true;
+	}
+
+	bool IsCommonFloat32(bool *outIsInterleaved=NULL) const {
+		CommonPCMFormat fmt;
+		return IdentifyCommonPCMFormat(fmt, outIsInterleaved) && fmt == kPCMFormatFloat32;
+	}
+	bool IsCommonFloat64(bool *outIsInterleaved=NULL) const {
+		CommonPCMFormat fmt;
+		return IdentifyCommonPCMFormat(fmt, outIsInterleaved) && fmt == kPCMFormatFloat64;
+	}
+	bool IsCommonFixed824(bool *outIsInterleaved=NULL) const {
+		CommonPCMFormat fmt;
+		return IdentifyCommonPCMFormat(fmt, outIsInterleaved) && fmt == kPCMFormatFixed824;
+	}
+	bool IsCommonInt16(bool *outIsInterleaved=NULL) const {
+		CommonPCMFormat fmt;
+		return IdentifyCommonPCMFormat(fmt, outIsInterleaved) && fmt == kPCMFormatInt16;
+	}
+
+	// _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
+	//
+	//	manipulation
+
+	void	SetCanonical(UInt32 nChannels, bool interleaved)
+				// note: leaves sample rate untouched
+	{
+		mFormatID = kAudioFormatLinearPCM;
+		UInt32 sampleSize = SizeOf32(AudioSampleType);
+		mFormatFlags = kAudioFormatFlagsCanonical;
+		mBitsPerChannel = 8 * sampleSize;
+		mChannelsPerFrame = nChannels;
+		mFramesPerPacket = 1;
+		if (interleaved)
+			mBytesPerPacket = mBytesPerFrame = nChannels * sampleSize;
+		else {
+			mBytesPerPacket = mBytesPerFrame = sampleSize;
+			mFormatFlags |= kAudioFormatFlagIsNonInterleaved;
+		}
+	}
+
+	bool	IsCanonical() const
+	{
+		if (mFormatID != kAudioFormatLinearPCM) return false;
+		UInt32 reqFormatFlags;
+		UInt32 flagsMask = (kLinearPCMFormatFlagIsFloat | kLinearPCMFormatFlagIsBigEndian | kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked | kLinearPCMFormatFlagsSampleFractionMask);
+		bool interleaved = (mFormatFlags & kAudioFormatFlagIsNonInterleaved) == 0;
+		unsigned sampleSize = SizeOf32(AudioSampleType);
+		reqFormatFlags = kAudioFormatFlagsCanonical;
+		UInt32 reqFrameSize = interleaved ? (mChannelsPerFrame * sampleSize) : sampleSize;
+
+		return ((mFormatFlags & flagsMask) == reqFormatFlags
+			&& mBitsPerChannel == 8 * sampleSize
+			&& mFramesPerPacket == 1
+			&& mBytesPerFrame == reqFrameSize
+			&& mBytesPerPacket == reqFrameSize);
+	}
+
+	void	SetAUCanonical(UInt32 nChannels, bool interleaved)
+	{
+		mFormatID = kAudioFormatLinearPCM;
+#if CA_PREFER_FIXED_POINT
+		mFormatFlags = kAudioFormatFlagsCanonical | (kAudioUnitSampleFractionBits << kLinearPCMFormatFlagsSampleFractionShift);
+#else
+		mFormatFlags = kAudioFormatFlagsCanonical;
+#endif
+		mChannelsPerFrame = nChannels;
+		mFramesPerPacket = 1;
+		mBitsPerChannel = 8 * SizeOf32(AudioUnitSampleType);
+		if (interleaved)
+			mBytesPerPacket = mBytesPerFrame = nChannels * SizeOf32(AudioUnitSampleType);
+		else {
+			mBytesPerPacket = mBytesPerFrame = SizeOf32(AudioUnitSampleType);
+			mFormatFlags |= kAudioFormatFlagIsNonInterleaved;
+		}
+	}
+
+	void	ChangeNumberChannels(UInt32 nChannels, bool interleaved)
+				// alter an existing format
+	{
+		Assert(IsPCM(), "ChangeNumberChannels only works for PCM formats");
+		UInt32 wordSize = SampleWordSize();	// get this before changing ANYTHING
+		if (wordSize == 0)
+			wordSize = (mBitsPerChannel + 7) / 8;
+		mChannelsPerFrame = nChannels;
+		mFramesPerPacket = 1;
+		if (interleaved) {
+			mBytesPerPacket = mBytesPerFrame = nChannels * wordSize;
+			mFormatFlags &= ~static_cast<UInt32>(kAudioFormatFlagIsNonInterleaved);
+		} else {
+			mBytesPerPacket = mBytesPerFrame = wordSize;
+			mFormatFlags |= kAudioFormatFlagIsNonInterleaved;
+		}
+	}
+
+	// _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
+	//
+	//	other
+
+	bool            IsEqual(const AudioStreamBasicDescription &other, bool interpretingWildcards=true) const;
+	static bool     FlagIndependentEquivalence(const AudioStreamBasicDescription &x, const AudioStreamBasicDescription &y);
+    static bool     IsFunctionallyEquivalent(const AudioStreamBasicDescription &x, const AudioStreamBasicDescription &y);
+
+	void	Print() const {
+		Print (stdout);
+	}
+
+	void	Print(FILE* file) const {
+		PrintFormat (file, "", "AudioStreamBasicDescription:");
+	}
+
+	void	PrintFormat(FILE *f, const char *indent, const char *name) const {
+		char buf[256];
+		fprintf(f, "%s%s %s\n", indent, name, AsString(buf, sizeof(buf)));
+	}
+
+	void	PrintFormat2(FILE *f, const char *indent, const char *name) const { // no trailing newline
+		char buf[256];
+		fprintf(f, "%s%s %s", indent, name, AsString(buf, sizeof(buf)));
+	}
+
+	char *	AsString(char *buf, size_t bufsize, bool brief=false) const;
+
+	static void Print (const AudioStreamBasicDescription &inDesc)
+	{
+		CAStreamBasicDescription desc(inDesc);
+		desc.Print ();
+	}
+
+	OSStatus			Save(CFPropertyListRef *outData) const;
+
+	OSStatus			Restore(CFPropertyListRef &inData);
+
+//	Operations
+	static bool			IsMixable(const AudioStreamBasicDescription& inDescription) { return (inDescription.mFormatID == kAudioFormatLinearPCM) && ((inDescription.mFormatFlags & kIsNonMixableFlag) == 0); }
+	static void			NormalizeLinearPCMFormat(AudioStreamBasicDescription& ioDescription);
+	static void			NormalizeLinearPCMFormat(bool inNativeEndian, AudioStreamBasicDescription& ioDescription);
+	static void			ResetFormat(AudioStreamBasicDescription& ioDescription);
+	static void			FillOutFormat(AudioStreamBasicDescription& ioDescription, const AudioStreamBasicDescription& inTemplateDescription);
+	static void			GetSimpleName(const AudioStreamBasicDescription& inDescription, char* outName, UInt32 inMaxNameLength, bool inAbbreviate, bool inIncludeSampleRate = false);
+    static void         ModifyFormatFlagsForMatching(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y, UInt32& xFlags, UInt32& yFlags, bool converterOnly);
+
+#if CoreAudio_Debug
+	static void			PrintToLog(const AudioStreamBasicDescription& inDesc);
+#endif
+};
+
+bool		operator<(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y);
+bool		operator==(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y);
+#if TARGET_OS_MAC || (TARGET_OS_WIN32 && (_MSC_VER > 600))
+inline bool	operator!=(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y) { return !(x == y); }
+inline bool	operator<=(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y) { return (x < y) || (x == y); }
+inline bool	operator>=(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y) { return !(x < y); }
+inline bool	operator>(const AudioStreamBasicDescription& x, const AudioStreamBasicDescription& y) { return !((x < y) || (x == y)); }
+#endif
+
+bool SanityCheck(const AudioStreamBasicDescription& x);
+
+
+#endif // __CAStreamBasicDescription_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAThreadSafeList.h

@@ -0,0 +1,233 @@
+/*
+     File: CAThreadSafeList.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAThreadSafeList_h__
+#define __CAThreadSafeList_h__
+
+#include "CAAtomicStack.h"
+
+//  linked list of T's
+//	T must define operator ==
+template <class T>
+class TThreadSafeList {
+private:
+	enum EEventType { kAdd, kRemove, kClear };
+	class Node {
+	public:
+		Node *		mNext;
+		EEventType	mEventType;
+		T			mObject;
+
+		Node *&	next() { return mNext; }
+	};
+
+public:
+	class iterator {
+	public:
+		iterator() { }
+		iterator(Node *n) : mNode(n) { }
+
+		bool operator == (const iterator &other) const { return this->mNode == other.mNode; }
+		bool operator != (const iterator &other) const { return this->mNode != other.mNode; }
+
+		T & operator * () const { return mNode->mObject; }
+
+		iterator & operator ++ () { mNode = mNode->next(); return *this; }	// preincrement
+		iterator operator ++ (int) { iterator tmp = *this; mNode = mNode->next(); return tmp; } // postincrement
+
+	private:
+		Node *		mNode;
+	};
+
+	TThreadSafeList() { }
+	~TThreadSafeList()
+	{
+		mActiveList.free_all();
+		mPendingList.free_all();
+		mFreeList.free_all();
+	}
+
+	// These may be called on any thread
+
+	void	deferred_add(const T &obj)	// can be called on any thread
+	{
+		Node *node = AllocNode();
+		node->mEventType = kAdd;
+		node->mObject = obj;
+		mPendingList.push_atomic(node);
+		//mPendingList.dump("pending after add");
+	}
+
+	void	deferred_remove(const T &obj)	// can be called on any thread
+	{
+		Node *node = AllocNode();
+		node->mEventType = kRemove;
+		node->mObject = obj;
+		mPendingList.push_atomic(node);
+		//mPendingList.dump("pending after remove");
+	}
+
+	void	deferred_clear()					// can be called on any thread
+	{
+		Node *node = AllocNode();
+		node->mEventType = kClear;
+		mPendingList.push_atomic(node);
+	}
+
+	// These must be called from only one thread
+
+	void	update()		// must only be called from one thread
+	{
+		NodeStack reversed;
+		Node *event, *node, *next;
+		bool workDone = false;
+
+		// reverse the events so they are in order
+		event = mPendingList.pop_all();
+		while (event != NULL) {
+			next = event->mNext;
+			reversed.push_NA(event);
+			event = next;
+			workDone = true;
+		}
+		if (workDone) {
+			//reversed.dump("pending popped");
+			//mActiveList.dump("active before update");
+
+			// now process them
+			while ((event = reversed.pop_NA()) != NULL) {
+				switch (event->mEventType) {
+				case kAdd:
+					{
+						Node **pnode;
+						bool needToInsert = true;
+						for (pnode = mActiveList.phead(); *pnode != NULL; pnode = &node->mNext) {
+							node = *pnode;
+							if (node->mObject == event->mObject) {
+								//printf("already active!!!\n");
+								FreeNode(event);
+								needToInsert = false;
+								break;
+							}
+						}
+						if (needToInsert) {
+							// link the new event in at the end of the active list
+							*pnode = event;
+							event->mNext = NULL;
+						}
+					}
+					break;
+				case kRemove:
+					// find matching node in the active list, remove it
+					for (Node **pnode = mActiveList.phead(); *pnode != NULL; ) {
+						node = *pnode;
+						if (node->mObject == event->mObject) {
+							*pnode = node->mNext;	// remove from linked list
+							FreeNode(node);
+							break;
+						}
+						pnode = &node->mNext;
+					}
+					// dispose the request node
+					FreeNode(event);
+					break;
+				case kClear:
+					for (node = mActiveList.head(); node != NULL; ) {
+						next = node->mNext;
+						FreeNode(node);
+						node = next;
+					}
+					FreeNode(event);
+					break;
+				default:
+					//printf("invalid node type %d!\n", event->mEventType);
+					break;
+				}
+			}
+			//mActiveList.dump("active after update");
+		}
+	}
+
+	iterator begin() const {
+		//mActiveList.dump("active at begin");
+		return iterator(mActiveList.head());
+	}
+	iterator end() const { return iterator(NULL); }
+
+
+private:
+	Node *	AllocNode()
+	{
+		Node *node = mFreeList.pop_atomic();
+		if (node == NULL)
+			node = (Node *)CA_malloc(sizeof(Node));
+		return node;
+	}
+
+	void	FreeNode(Node *node)
+	{
+		mFreeList.push_atomic(node);
+	}
+
+private:
+	class NodeStack : public TAtomicStack<Node> {
+	public:
+		void free_all() {
+			Node *node;
+			while ((node = this->pop_NA()) != NULL)
+				free(node);
+		}
+
+		Node **	phead() { return &this->mHead; }
+		Node *	head() const { return this->mHead; }
+	};
+
+	NodeStack	mActiveList;	// what's actually in the container - only accessed on one thread
+	NodeStack	mPendingList;	// add or remove requests - threadsafe
+	NodeStack	mFreeList;		// free nodes for reuse - threadsafe
+};
+
+#endif // __CAThreadSafeList_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAVectorUnit.cpp

@@ -0,0 +1,194 @@
+/*
+     File: CAVectorUnit.cpp
+ Abstract: CAVectorUnit.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 "CAVectorUnit.h"
+
+#if !TARGET_OS_WIN32
+	#include <sys/sysctl.h>
+#elif HAS_IPP
+	#include "ippdefs.h"
+	#include "ippcore.h"
+#endif
+
+int gCAVectorUnitType = kVecUninitialized;
+
+#if TARGET_OS_WIN32
+// Use cpuid to check if SSE2 is available.
+// Before calling this function make sure cpuid is available
+static SInt32 IsSSE2Available()
+{
+	int return_value;
+
+	{
+		int r_edx;
+		_asm
+		{
+			mov eax, 0x01
+			cpuid
+			mov r_edx, edx
+		}
+		return_value = (r_edx >> 26) & 0x1;
+	}
+	return return_value;
+}
+
+// Use cpuid to check if SSE3 is available.
+// Before calling this function make sure cpuid is available
+static SInt32 IsSSE3Available()
+{
+	SInt32 return_value;
+
+	{
+		SInt32 r_ecx;
+		_asm
+		{
+			mov eax, 0x01
+			cpuid
+			mov r_ecx, ecx
+		}
+		return_value = r_ecx & 0x1;
+	}
+	return return_value;
+}
+
+// Return true if the cpuid instruction is available.
+// The cpuid instruction is available if bit 21 in the EFLAGS register can be changed
+// This function may not work on Intel CPUs prior to Pentium (didn't test)
+static bool IsCpuidAvailable()
+{
+	SInt32 return_value = 0x0;
+	_asm{
+		pushfd    ;			//push original EFLAGS
+		pop eax   ;			//get original EFLAGS
+		mov ecx, eax   ;	//save original EFLAGS
+		xor eax, 200000h  ; //flip ID bit in EFLAGS
+		push eax   ;		//save new EFLAGS value on stack
+		popfd    ;			//replace current EFLAGS value
+		pushfd    ;			//get new EFLAGS
+		pop eax   ;			//store new EFLAGS in EAX
+		xor eax, ecx   ;
+		je end_cpuid_identify  ; //can't toggle ID bit
+		mov return_value, 0x1;
+end_cpuid_identify:
+		nop;
+		}
+		return return_value;
+}
+
+#endif
+
+SInt32	CAVectorUnit_Examine()
+{
+	int result = kVecNone;
+
+#if TARGET_OS_WIN32
+#if HAS_IPP
+	// Initialize the static IPP library! This needs to be done before
+	// any IPP function calls, otherwise we may have a performance penalty
+	int status = ippStaticInit();
+	if ( status == ippStsNonIntelCpu )
+	{
+		IppCpuType cpuType = ippGetCpuType();
+		if ( cpuType >= ippCpuSSE || cpuType <= ippCpuSSE42 )
+			ippStaticInitCpu( cpuType );
+	}
+#endif
+	{
+		// On Windows we use cpuid to detect the vector unit because it works on Intel and AMD.
+		// The IPP library does not detect SSE on AMD processors.
+		if (IsCpuidAvailable())
+		{
+			if(IsSSE3Available())
+			{
+				result = kVecSSE3;
+			}
+			else if(IsSSE2Available())
+			{
+				result = kVecSSE2;
+			}
+		}
+	}
+#elif TARGET_OS_MAC
+#if DEBUG
+	if (getenv("CA_NoVector")) {
+		fprintf(stderr, "CA_NoVector set; Vector unit optimized routines will be bypassed\n");
+		return result;
+	}
+	else
+#endif
+	{
+	#if (TARGET_CPU_PPC || TARGET_CPU_PPC64)
+		int sels[2] = { CTL_HW, HW_VECTORUNIT };
+		int vType = 0; //0 == scalar only
+		size_t length = sizeof(vType);
+		int error = sysctl(sels, 2, &vType, &length, NULL, 0);
+		if (!error && vType > 0)
+			result = kVecAltivec;
+	#elif (TARGET_CPU_X86 || TARGET_CPU_X86_64)
+		static const struct { const char* kName; const int kVectype; } kStringVectypes[] = {
+			{ "hw.optional.avx1_0", kVecAVX1 }, { "hw.optional.sse3", kVecSSE3 }, { "hw.optional.sse2", kVecSSE2 }
+		};
+		static const size_t kNumStringVectypes = sizeof(kStringVectypes)/sizeof(kStringVectypes[0]);
+		int i = 0, answer = 0;
+		while(i != kNumStringVectypes)
+		{
+			size_t length = sizeof(answer);
+			int error = sysctlbyname(kStringVectypes[i].kName, &answer, &length, NULL, 0);
+			if (!error && answer)
+			{
+				result = kStringVectypes[i].kVectype;
+				break;
+			}
+			++i;
+		};
+	#elif CA_ARM_NEON
+		result = kVecNeon;
+	#endif
+	}
+#endif
+	gCAVectorUnitType = result;
+	return result;
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAVectorUnit.h

@@ -0,0 +1,101 @@
+/*
+     File: CAVectorUnit.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAVectorUnit_h__
+#define __CAVectorUnit_h__
+
+#include <TargetConditionals.h>
+#include "CAVectorUnitTypes.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreFoundation/CFBase.h>
+#else
+	#include "CFBase.h"
+#endif
+
+// Unify checks for vector units.
+// Allow setting an environment variable "CA_NoVector" to turn off vectorized code at runtime (very useful for performance testing).
+
+extern int gCAVectorUnitType;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern SInt32 CAVectorUnit_Examine();	// expensive. use GetType() for lazy initialization and caching.
+
+static inline SInt32 CAVectorUnit_GetType()
+{
+	int x = gCAVectorUnitType;
+	return (x != kVecUninitialized) ? x : CAVectorUnit_Examine();
+}
+
+static inline Boolean CAVectorUnit_HasVectorUnit()
+{
+	return CAVectorUnit_GetType() > kVecNone;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#ifdef __cplusplus
+class CAVectorUnit {
+public:
+	static SInt32		GetVectorUnitType() { return CAVectorUnit_GetType(); }
+	static bool			HasVectorUnit() { return GetVectorUnitType() > kVecNone; }
+	static bool			HasAltivec() { return GetVectorUnitType() == kVecAltivec; }
+	static bool			HasSSE2() { return GetVectorUnitType() >= kVecSSE2; }
+	static bool			HasSSE3() { return GetVectorUnitType() >= kVecSSE3; }
+	static bool			HasAVX1() { return GetVectorUnitType() >= kVecAVX1; }
+	static bool			HasNeon() { return GetVectorUnitType() == kVecNeon; }
+};
+#endif
+
+#endif // __CAVectorUnit_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAVectorUnitTypes.h

@@ -0,0 +1,60 @@
+/*
+     File: CAVectorUnitTypes.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAVectorUnitTypes_h__
+#define __CAVectorUnitTypes_h__
+
+enum {
+	kVecUninitialized = -1,
+	kVecNone = 0,
+	kVecAltivec = 1,
+	kVecSSE2 = 100,
+	kVecSSE3 = 101,
+	kVecAVX1 = 110,
+	kVecNeon = 200
+};
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CAXException.h

@@ -0,0 +1,361 @@
+/*
+     File: CAXException.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CAXException_h__
+#define __CAXException_h__
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreFoundation/CoreFoundation.h>
+#else
+	#include <ConditionalMacros.h>
+	#include <CoreFoundation.h>
+#endif
+#include "CADebugMacros.h"
+#include <ctype.h>
+//#include <stdio.h>
+#include <string.h>
+
+
+class CAX4CCString {
+public:
+	CAX4CCString(OSStatus error) {
+		// see if it appears to be a 4-char-code
+		UInt32 beErr = CFSwapInt32HostToBig(error);
+		char *str = mStr;
+		memcpy(str + 1, &beErr, 4);
+		if (isprint(str[1]) && isprint(str[2]) && isprint(str[3]) && isprint(str[4])) {
+			str[0] = str[5] = '\'';
+			str[6] = '\0';
+		} else if (error > -200000 && error < 200000)
+			// no, format it as an integer
+			snprintf(str, sizeof(mStr), "%d", (int)error);
+		else
+			snprintf(str, sizeof(mStr), "0x%x", (int)error);
+	}
+	const char *get() const { return mStr; }
+	operator const char *() const { return mStr; }
+private:
+	char mStr[16];
+};
+
+class CAX4CCStringNoQuote {
+public:
+	CAX4CCStringNoQuote(OSStatus error) {
+		// see if it appears to be a 4-char-code
+		UInt32 beErr = CFSwapInt32HostToBig(error);
+		char *str = mStr;
+		memcpy(str, &beErr, 4);
+		if (isprint(str[0]) && isprint(str[1]) && isprint(str[2]) && isprint(str[3])) {
+			str[4] = '\0';
+		} else if (error > -200000 && error < 200000)
+			// no, format it as an integer
+			snprintf(str, sizeof(mStr), "%d", (int)error);
+		else
+			snprintf(str, sizeof(mStr), "0x%x", (int)error);
+	}
+	const char *get() const { return mStr; }
+	operator const char *() const { return mStr; }
+private:
+	char mStr[16];
+};
+
+
+// An extended exception class that includes the name of the failed operation
+class CAXException {
+public:
+	CAXException(const char *operation, OSStatus err) :
+		mError(err)
+		{
+			if (operation == NULL)
+				mOperation[0] = '\0';
+			else if (strlen(operation) >= sizeof(mOperation)) {
+				memcpy(mOperation, operation, sizeof(mOperation) - 1);
+				mOperation[sizeof(mOperation) - 1] = '\0';
+			} else
+
+			strlcpy(mOperation, operation, sizeof(mOperation));
+		}
+
+	char *FormatError(char *str, size_t strsize) const
+	{
+		return FormatError(str, strsize, mError);
+	}
+
+	char				mOperation[256];
+	const OSStatus		mError;
+
+	// -------------------------------------------------
+
+	typedef void (*WarningHandler)(const char *msg, OSStatus err);
+
+	static char *FormatError(char *str, size_t strsize, OSStatus error)
+	{
+		strlcpy(str, CAX4CCString(error), strsize);
+		return str;
+	}
+
+	static void Warning(const char *s, OSStatus error)
+	{
+		if (sWarningHandler)
+			(*sWarningHandler)(s, error);
+	}
+
+	static void SetWarningHandler(WarningHandler f) { sWarningHandler = f; }
+private:
+	static WarningHandler	sWarningHandler;
+};
+
+#if	DEBUG || CoreAudio_Debug
+	#define XThrowIfError(error, operation)										\
+		do {																	\
+			OSStatus __err = error;												\
+			if (__err) {														\
+				DebugMessageN4("%s:%d: about to throw %s: %s", __FILE__, __LINE__, CAX4CCString(__err).get(), operation);\
+				__THROW_STOP;															\
+				throw CAXException(operation, __err);							\
+			}																	\
+		} while (0)
+
+	#define XThrowIf(condition, error, operation)								\
+		do {																	\
+			if (condition) {													\
+				OSStatus __err = error;											\
+				DebugMessageN4("%s:%d: about to throw %s: %s", __FILE__, __LINE__, CAX4CCString(__err).get(), operation);\
+				__THROW_STOP;															\
+				throw CAXException(operation, __err);							\
+			}																	\
+		} while (0)
+
+	#define XRequireNoError(error, label)										\
+		do {																	\
+			OSStatus __err = error;												\
+			if (__err) {														\
+				DebugMessageN4("%s:%d: about to throw %s: %s", __FILE__, __LINE__, CAX4CCString(__err).get(), #error);\
+				STOP;															\
+				goto label;														\
+			}																	\
+		} while (0)
+
+	#define XAssert(assertion)													\
+		do {																	\
+			if (!(assertion)) {													\
+				DebugMessageN3("%s:%d: error: failed assertion: %s", __FILE__, __LINE__, #assertion);		\
+				__ASSERT_STOP;															\
+			}																	\
+		} while (0)
+
+	#define XAssertNoError(error)												\
+		do {																	\
+			OSStatus __err = error;												\
+			if (__err) {														\
+				DebugMessageN4("%s:%d: error %s: %s", __FILE__, __LINE__, CAX4CCString(__err).get(), #error);\
+				STOP;															\
+			}																	\
+		} while (0)
+
+	#define ca_require_noerr(errorCode, exceptionLabel)							\
+		do																		\
+		{																		\
+			int evalOnceErrorCode = (errorCode);								\
+			if ( __builtin_expect(0 != evalOnceErrorCode, 0) )					\
+			{																	\
+				DebugMessageN5("ca_require_noerr: [%s, %d] (goto %s;) %s:%d",	\
+					#errorCode,	evalOnceErrorCode,		 						\
+					#exceptionLabel,											\
+					__FILE__,													\
+					__LINE__);													\
+				goto exceptionLabel;											\
+			}																	\
+		} while ( 0 )
+
+	#define ca_verify_noerr(errorCode)											\
+		do																		\
+		{																		\
+			int evalOnceErrorCode = (errorCode);								\
+			if ( __builtin_expect(0 != evalOnceErrorCode, 0) )					\
+			{																	\
+				DebugMessageN4("ca_verify_noerr: [%s, %d] %s:%d",				\
+					#errorCode,	evalOnceErrorCode,								\
+					__FILE__,													\
+					__LINE__);													\
+			}																	\
+		} while ( 0 )
+
+	#define ca_debug_string(message)											\
+		do																		\
+		{																		\
+			DebugMessageN3("ca_debug_string: %s %s:%d",							\
+				message,														\
+				__FILE__,														\
+				__LINE__);														\
+		} while ( 0 )
+
+
+	#define ca_verify(assertion)												\
+		do																		\
+		{																		\
+			if ( __builtin_expect(!(assertion), 0) )							\
+			{																	\
+				DebugMessageN3("ca_verify: %s %s:%d",							\
+					#assertion,													\
+					__FILE__,													\
+					__LINE__);													\
+			}																	\
+		} while ( 0 )
+
+	#define ca_require(assertion, exceptionLabel)								\
+		do																		\
+		{																		\
+			if ( __builtin_expect(!(assertion), 0) )							\
+			{																	\
+				DebugMessageN4("ca_require: %s %s %s:%d",						\
+					#assertion,													\
+					#exceptionLabel,											\
+					__FILE__,													\
+					__LINE__);													\
+				goto exceptionLabel;											\
+			}																	\
+		} while ( 0 )
+
+   #define ca_check(assertion)													\
+      do																		\
+      {																			\
+          if ( __builtin_expect(!(assertion), 0) )								\
+          {																		\
+              DebugMessageN3("ca_check: %s %s:%d",							\
+                  #assertion,													\
+                  __FILE__,														\
+                  __LINE__);													\
+          }																		\
+      } while ( 0 )
+
+#else
+	#define XThrowIfError(error, operation)										\
+		do {																	\
+			OSStatus __err = error;												\
+			if (__err) {														\
+				throw CAXException(operation, __err);							\
+			}																	\
+		} while (0)
+
+	#define XThrowIf(condition, error, operation)								\
+		do {																	\
+			if (condition) {													\
+				OSStatus __err = error;											\
+				throw CAXException(operation, __err);							\
+			}																	\
+		} while (0)
+
+	#define XRequireNoError(error, label)										\
+		do {																	\
+			OSStatus __err = error;												\
+			if (__err) {														\
+				goto label;														\
+			}																	\
+		} while (0)
+
+	#define XAssert(assertion)													\
+		do {																	\
+			if (!(assertion)) {													\
+			}																	\
+		} while (0)
+
+	#define XAssertNoError(error)												\
+		do {																	\
+			/*OSStatus __err =*/ error;											\
+		} while (0)
+
+	#define ca_require_noerr(errorCode, exceptionLabel)							\
+		do																		\
+		{																		\
+			if ( __builtin_expect(0 != (errorCode), 0) )						\
+			{																	\
+				goto exceptionLabel;											\
+			}																	\
+		} while ( 0 )
+
+	#define ca_verify_noerr(errorCode)											\
+		do																		\
+		{																		\
+			if ( 0 != (errorCode) )												\
+			{																	\
+			}																	\
+		} while ( 0 )
+
+	#define ca_debug_string(message)
+
+	#define ca_verify(assertion)												\
+		do																		\
+		{																		\
+			if ( !(assertion) )													\
+			{																	\
+			}																	\
+		} while ( 0 )
+
+	#define ca_require(assertion, exceptionLabel)								\
+		do																		\
+		{																		\
+			if ( __builtin_expect(!(assertion), 0) )							\
+			{																	\
+				goto exceptionLabel;											\
+			}																	\
+		} while ( 0 )
+
+   #define ca_check(assertion)													\
+		do																		\
+		{																		\
+			if ( !(assertion) )													\
+			{																	\
+			}																	\
+		} while ( 0 )
+
+
+#endif
+
+#define XThrow(error, operation) XThrowIf(true, error, operation)
+#define XThrowIfErr(error) XThrowIfError(error, #error)
+
+#endif // __CAXException_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CarbonEventHandler.cpp

@@ -0,0 +1,90 @@
+/*
+     File: CarbonEventHandler.cpp
+ Abstract: CarbonEventHandler.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 "CarbonEventHandler.h"
+
+static pascal OSStatus TheEventHandler(EventHandlerCallRef inHandlerRef, EventRef inEvent, void *inUserData)
+{
+	CarbonEventHandler *handler = (CarbonEventHandler *)inUserData;
+	if (handler->HandleEvent(inHandlerRef, inEvent))
+		return noErr;
+	else return eventNotHandledErr;
+}
+
+CarbonEventHandler::CarbonEventHandler() :
+	mHandlers(NULL)
+{
+}
+
+CarbonEventHandler::~CarbonEventHandler()
+{
+	if (mHandlers != NULL) {
+		int count = static_cast<int>(CFDictionaryGetCount(mHandlers));
+		EventHandlerRef *theHandlers = (EventHandlerRef*) malloc(count * sizeof(EventHandlerRef));
+		CFDictionaryGetKeysAndValues(mHandlers, NULL, (const void **)theHandlers);
+
+		for (int i = 0; i < count; i++)
+			RemoveEventHandler(theHandlers[i]);
+		CFDictionaryRemoveAllValues(mHandlers);
+		CFRelease (mHandlers);
+		free(theHandlers);
+	}
+}
+
+void	CarbonEventHandler::WantEventTypes(EventTargetRef target, UInt32 inNumTypes, const EventTypeSpec *inList)
+{
+	if (mHandlers == NULL)
+		mHandlers = CFDictionaryCreateMutable(NULL, 0, NULL, NULL);
+
+	EventHandlerRef handler;
+
+	if (CFDictionaryGetValueIfPresent (mHandlers, target, (const void **)&handler))	// if there is already a handler for the target, add the type
+		verify_noerr(AddEventTypesToHandler(handler, inNumTypes, inList));
+	else {
+		verify_noerr(InstallEventHandler(target, TheEventHandler, inNumTypes, inList, this, &handler));
+		CFDictionaryAddValue(mHandlers, target, handler);
+	}
+}

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/CarbonEventHandler.h

@@ -0,0 +1,71 @@
+/*
+     File: CarbonEventHandler.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __CarbonEventHandler_h__
+#define __CarbonEventHandler_h__
+
+#include <Carbon/Carbon.h>
+
+	/*! @class CarbonEventHandler */
+class CarbonEventHandler {
+public:
+	/*! @ctor CarbonEventHandler */
+	CarbonEventHandler();
+	/*! @dtor ~CarbonEventHandler */
+	virtual ~CarbonEventHandler();
+
+	/*! @method WantEventTypes */
+	virtual void	WantEventTypes(EventTargetRef target, UInt32 inNumTypes, const EventTypeSpec *inList);
+
+	/*! @method HandleEvent */
+	virtual bool	HandleEvent(EventHandlerCallRef inHandlerRef, EventRef event) = 0;
+
+protected:
+	/*! @var mHandlers */
+	CFMutableDictionaryRef mHandlers;
+};
+
+#endif // __CarbonEventHandler_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/ComponentBase.cpp

@@ -0,0 +1,369 @@
+/*
+     File: ComponentBase.cpp
+ Abstract: ComponentBase.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 "ComponentBase.h"
+#include "CAXException.h"
+
+#if TARGET_OS_MAC
+pthread_mutex_t ComponentInitLocker::sComponentOpenMutex = PTHREAD_MUTEX_INITIALIZER;
+pthread_once_t ComponentInitLocker::sOnce = PTHREAD_ONCE_INIT;
+
+void ComponentInitLocker::InitComponentInitLocker()
+{
+	// have to do this because OS X lacks PTHREAD_MUTEX_RECURSIVE_INITIALIZER_NP
+	pthread_mutexattr_t attr;
+	pthread_mutexattr_init(&attr);
+	pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+	pthread_mutex_init(&sComponentOpenMutex, &attr);
+	pthread_mutexattr_destroy(&attr);
+}
+
+#elif TARGET_OS_WIN32
+CAGuard	ComponentInitLocker::sComponentOpenGuard("sComponentOpenGuard");
+#endif
+
+ComponentBase::EInstanceType ComponentBase::sNewInstanceType;
+
+static OSStatus CB_GetComponentDescription (const AudioComponentInstance inInstance, AudioComponentDescription * outDesc);
+#if !CA_USE_AUDIO_PLUGIN_ONLY && !TARGET_OS_WIN32
+	static OSStatus CMgr_GetComponentDescription (const AudioComponentInstance inInstance, AudioComponentDescription * outDesc);
+#endif
+
+ComponentBase::ComponentBase(AudioComponentInstance inInstance)
+	: mComponentInstance(inInstance),
+	  mInstanceType(sNewInstanceType)
+{
+	GetComponentDescription();
+}
+
+ComponentBase::~ComponentBase()
+{
+}
+
+void			ComponentBase::PostConstructor()
+{
+}
+
+void			ComponentBase::PreDestructor()
+{
+}
+
+#define ACPI	((AudioComponentPlugInInstance *)self)
+#define ACImp	((ComponentBase *)&ACPI->mInstanceStorage)
+
+OSStatus ComponentBase::AP_Open(void *self, AudioUnit compInstance)
+{
+	OSStatus result = noErr;
+	try {
+		ComponentInitLocker lock;
+
+		ComponentBase::sNewInstanceType = ComponentBase::kAudioComponentInstance;
+		ComponentBase *cb = (ComponentBase *)(*ACPI->mConstruct)(&ACPI->mInstanceStorage, compInstance);
+		cb->PostConstructor();	// allows base class to do additional initialization
+		// once the derived class is fully constructed
+		result = noErr;
+	}
+	COMPONENT_CATCH
+	if (result)
+		delete ACPI;
+	return result;
+}
+
+OSStatus ComponentBase::AP_Close(void *self)
+{
+	OSStatus result = noErr;
+	try {
+		if (ACImp) {
+			ACImp->PreDestructor();
+			(*ACPI->mDestruct)(&ACPI->mInstanceStorage);
+			free(self);
+		}
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+OSStatus		ComponentBase::Version()
+{
+	return 0x00000001;
+}
+
+OSStatus		ComponentBase::ComponentEntryDispatch(ComponentParameters *p, ComponentBase *This)
+{
+	if (This == NULL) return kAudio_ParamError;
+
+	OSStatus result = noErr;
+
+	switch (p->what) {
+	case kComponentCloseSelect:
+		This->PreDestructor();
+		delete This;
+		break;
+
+	case kComponentVersionSelect:
+		result = This->Version();
+		break;
+
+	case kComponentCanDoSelect:
+		switch (GetSelectorForCanDo(p)) {
+		case kComponentOpenSelect:
+		case kComponentCloseSelect:
+		case kComponentVersionSelect:
+		case kComponentCanDoSelect:
+			return 1;
+		default:
+			return 0;
+		}
+
+	default:
+		result = badComponentSelector;
+		break;
+	}
+	return result;
+}
+
+SInt16		ComponentBase::GetSelectorForCanDo(ComponentParameters *params)
+{
+	if (params->what != kComponentCanDoSelect) return 0;
+
+	#if TARGET_CPU_X86
+		SInt16 sel = params->params[0];
+	#elif TARGET_CPU_X86_64
+		SInt16 sel = params->params[1];
+	#elif TARGET_CPU_PPC
+		SInt16 sel = (params->params[0] >> 16);
+	#else
+		SInt16 sel = params->params[0];
+	#endif
+
+	return sel;
+/*
+		printf ("flags:%d, paramSize: %d, what: %d\n\t", params->flags, params->paramSize, params->what);
+		for (int i = 0; i < params->paramSize; ++i) {
+			printf ("[%d]:%d(0x%x), ", i, params->params[i], params->params[i]);
+		}
+		printf("\n\tsel:%d\n", sel);
+*/
+}
+
+#endif
+
+#if CA_DO_NOT_USE_AUDIO_COMPONENT
+static OSStatus ComponentBase_GetComponentDescription (const AudioComponentInstance & inInstance, AudioComponentDescription &outDesc);
+#endif
+
+AudioComponentDescription ComponentBase::GetComponentDescription() const
+{
+	AudioComponentDescription desc;
+	OSStatus result = 1;
+
+	if (IsPluginObject()) {
+		ca_require_noerr(result = CB_GetComponentDescription (mComponentInstance, &desc), home);
+	}
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	else {
+		ca_require_noerr(result = CMgr_GetComponentDescription (mComponentInstance, &desc), home);
+	}
+#endif
+
+home:
+	if (result)
+		memset (&desc, 0, sizeof(AudioComponentDescription));
+
+	return desc;
+}
+
+#if CA_USE_AUDIO_PLUGIN_ONLY
+// everything we need is there and we should be linking against it
+static OSStatus CB_GetComponentDescription (const AudioComponentInstance inInstance, AudioComponentDescription * outDesc)
+{
+	AudioComponent comp = AudioComponentInstanceGetComponent(inInstance);
+	if (comp)
+		return AudioComponentGetDescription(comp, outDesc);
+
+	return kAudio_ParamError;
+}
+
+#elif !TARGET_OS_WIN32
+// these are the direct dependencies on ComponentMgr calls that an AU
+// that is a component mgr is dependent on
+
+// these are dynamically loaded so that these calls will work on Leopard
+#include <dlfcn.h>
+
+static OSStatus CB_GetComponentDescription (const AudioComponentInstance inInstance, AudioComponentDescription * outDesc)
+{
+	typedef AudioComponent (*AudioComponentInstanceGetComponentProc) (AudioComponentInstance);
+	static AudioComponentInstanceGetComponentProc aciGCProc = NULL;
+
+	typedef OSStatus (*AudioComponentGetDescriptionProc)(AudioComponent, AudioComponentDescription *);
+	static AudioComponentGetDescriptionProc acGDProc = NULL;
+
+	static int doneInit = 0;
+	if (doneInit == 0) {
+		doneInit = 1;
+		void* theImage = dlopen("/System/Library/Frameworks/AudioUnit.framework/AudioUnit", RTLD_LAZY);
+		if (theImage != NULL)
+		{
+			aciGCProc = (AudioComponentInstanceGetComponentProc)dlsym (theImage, "AudioComponentInstanceGetComponent");
+			if (aciGCProc) {
+				acGDProc = (AudioComponentGetDescriptionProc)dlsym (theImage, "AudioComponentGetDescription");
+			}
+		}
+	}
+
+	OSStatus result = kAudio_UnimplementedError;
+	if (acGDProc && aciGCProc) {
+		AudioComponent comp = (*aciGCProc)(inInstance);
+		if (comp)
+			result = (*acGDProc)(comp, outDesc);
+	}
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	else {
+		result = CMgr_GetComponentDescription (inInstance, outDesc);
+	}
+#endif
+
+	return result;
+}
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+// these are the direct dependencies on ComponentMgr calls that an AU
+// that is a component mgr is dependent on
+
+// these are dynamically loaded
+
+#include <CoreServices/CoreServices.h>
+#include <AudioUnit/AudioUnit.h>
+#include "CAXException.h"
+#include "ComponentBase.h"
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Component Manager
+// Used for fast dispatch with audio units
+typedef Handle (*GetComponentInstanceStorageProc)(ComponentInstance aComponentInstance);
+static GetComponentInstanceStorageProc sGetComponentInstanceStorageProc = NULL;
+
+typedef OSErr (*GetComponentInfoProc)(Component, ComponentDescription *, void*, void*, void*);
+static GetComponentInfoProc sGetComponentInfoProc = NULL;
+
+typedef void (*SetComponentInstanceStorageProc)(ComponentInstance, Handle);
+static SetComponentInstanceStorageProc sSetComponentInstanceStorageProc = NULL;
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+static void CSInitOnce(void* /*unused*/)
+{
+	void *theImage = dlopen("/System/Library/Frameworks/CoreServices.framework/CoreServices", RTLD_LAZY);
+	if (!theImage) return;
+
+	sGetComponentInstanceStorageProc = (GetComponentInstanceStorageProc) dlsym(theImage, "GetComponentInstanceStorage");
+	sGetComponentInfoProc = (GetComponentInfoProc)dlsym (theImage, "GetComponentInfo");
+	sSetComponentInstanceStorageProc = (SetComponentInstanceStorageProc) dlsym(theImage, "SetComponentInstanceStorage");
+}
+
+#if TARGET_OS_MAC
+
+#include <dispatch/dispatch.h>
+
+static dispatch_once_t sCSInitOnce = 0;
+
+static void CSInit ()
+{
+	dispatch_once_f(&sCSInitOnce, NULL, CSInitOnce);
+}
+
+#else
+
+static void CSInit ()
+{
+	static int sDoCSLoad = 1;
+	if (sDoCSLoad) {
+		sDoCSLoad = 0;
+		CSInitOnce(NULL);
+	}
+}
+
+#endif
+
+OSStatus CMgr_GetComponentDescription (const AudioComponentInstance inInstance, AudioComponentDescription * outDesc)
+{
+	CSInit();
+	if (sGetComponentInfoProc)
+		return (*sGetComponentInfoProc)((Component)inInstance, (ComponentDescription*)outDesc, NULL, NULL, NULL);
+	return kAudio_UnimplementedError;
+}
+
+Handle CMgr_GetComponentInstanceStorage(ComponentInstance aComponentInstance)
+{
+	CSInit();
+	if (sGetComponentInstanceStorageProc)
+		return (*sGetComponentInstanceStorageProc)(aComponentInstance);
+	return NULL;
+}
+
+void CMgr_SetComponentInstanceStorage(ComponentInstance aComponentInstance, Handle theStorage)
+{
+	CSInit();
+	if (sSetComponentInstanceStorageProc)
+		(*sSetComponentInstanceStorageProc)(aComponentInstance, theStorage);
+}
+#endif // !CA_USE_AUDIO_PLUGIN_ONLY
+
+#else
+//#include "ComponentManagerDependenciesWin.h"
+// everything we need is there and we should be linking against it
+static OSStatus CB_GetComponentDescription (const AudioComponentInstance inInstance, AudioComponentDescription * outDesc)
+{
+	AudioComponent comp = AudioComponentInstanceGetComponent(inInstance);
+	if (comp)
+		return AudioComponentGetDescription(comp, outDesc);
+
+	return kAudio_ParamError;
+}
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/ComponentBase.h

@@ -0,0 +1,353 @@
+/*
+     File: ComponentBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __ComponentBase_h__
+#define __ComponentBase_h__
+
+#include <new>
+#include "CADebugMacros.h"
+#include "CAXException.h"
+
+#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
+	#include <CoreAudio/CoreAudioTypes.h>
+	#include <AudioUnit/AudioUnit.h>
+
+	#if !CA_USE_AUDIO_PLUGIN_ONLY
+		#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
+		#endif
+		Handle CMgr_GetComponentInstanceStorage(ComponentInstance aComponentInstance);
+		void CMgr_SetComponentInstanceStorage(ComponentInstance aComponentInstance, Handle theStorage);
+	#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
+
+	#if !TARGET_OS_WIN32
+		#include <pthread.h>
+	#endif
+
+	#if TARGET_OS_WIN32
+		#include "CAGuard.h"
+	#endif
+#else
+	#include "CoreAudioTypes.h"
+	#if !CA_USE_AUDIO_PLUGIN_ONLY
+		#include "ComponentManagerDependenciesWin.h"
+	#endif
+	#include "AudioUnit.h"
+	#include "CAGuard.h"
+#endif
+
+#ifndef COMPONENT_THROW
+	#if VERBOSE_COMPONENT_THROW
+		#define COMPONENT_THROW(throw_err) \
+			do { DebugMessage(#throw_err); throw static_cast<OSStatus>(throw_err); } while (0)
+	#else
+		#define COMPONENT_THROW(throw_err) \
+			throw static_cast<OSStatus>(throw_err)
+	#endif
+#endif
+
+#define COMPONENT_CATCH \
+	catch (const CAXException &ex) { result = ex.mError; } \
+	catch (std::bad_alloc &) { result = kAudio_MemFullError; } \
+	catch (OSStatus catch_err) { result = catch_err; } \
+	catch (OSErr catch_err) { result = catch_err; } \
+	catch (...) { result = -1; }
+
+/*! @class ComponentBase */
+class ComponentBase {
+public:
+	// classic MacErrors
+	enum { noErr = 0};
+
+	/*! @ctor ComponentBase */
+				ComponentBase(AudioComponentInstance inInstance);
+
+	/*! @dtor ~ComponentBase */
+	virtual 	~ComponentBase();
+
+	/*! @method PostConstructor */
+	virtual void			PostConstructor();
+
+	/*! @method PreDestructor */
+	virtual void			PreDestructor();
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	/*! @method Version */
+	virtual OSStatus		Version();
+
+	/*! @method ComponentEntryDispatch */
+	static OSStatus		ComponentEntryDispatch(ComponentParameters *p, ComponentBase *This);
+
+	/*! GetSelectorForCanDo */
+	static SInt16		GetSelectorForCanDo(ComponentParameters *params);
+#endif
+
+	/*! @method GetComponentInstance */
+	AudioComponentInstance		GetComponentInstance() const { return mComponentInstance; }
+
+	/*! @method GetComponentDescription */
+	AudioComponentDescription	GetComponentDescription() const;
+
+	// This global variable is so that new instances know how they were instantiated: via the Component Manager,
+	// or as AudioComponents. It's ugly, but preferable to altering the constructor of every class in the hierarchy.
+	// It's safe because construction is protected by ComponentInitLocker.
+	enum EInstanceType { kComponentMgrInstance, kAudioComponentInstance };
+	static EInstanceType sNewInstanceType;
+
+	/*! @method IsPluginObject */
+	bool			IsPluginObject () const { return mInstanceType == kAudioComponentInstance; }
+	/*! @method IsCMgrObject */
+	bool			IsCMgrObject () const { return mInstanceType == kComponentMgrInstance; }
+
+	/*! @method AP_Open */
+	static OSStatus AP_Open(void *self, AudioUnit compInstance);
+
+	/*! @method AP_Close */
+	static OSStatus AP_Close(void *self);
+
+protected:
+	/*! @var mComponentInstance */
+	AudioComponentInstance		mComponentInstance;
+	EInstanceType				mInstanceType;
+};
+
+class ComponentInitLocker
+{
+#if TARGET_OS_MAC
+public:
+	ComponentInitLocker()
+	{
+		pthread_once(&sOnce, InitComponentInitLocker);
+		pthread_mutex_lock(&sComponentOpenMutex);
+		mPreviousNewInstanceType = ComponentBase::sNewInstanceType;
+	}
+	~ComponentInitLocker()
+	{
+		ComponentBase::sNewInstanceType = mPreviousNewInstanceType;
+		pthread_mutex_unlock(&sComponentOpenMutex);
+	}
+
+	// There are situations (11844772) where we need to be able to release the lock early.
+	class Unlocker {
+	public:
+		Unlocker()
+		{
+			pthread_mutex_unlock(&sComponentOpenMutex);
+		}
+		~Unlocker()
+		{
+			pthread_mutex_lock(&sComponentOpenMutex);
+		}
+	};
+
+private:
+	static pthread_mutex_t sComponentOpenMutex;
+	static pthread_once_t sOnce;
+	static void InitComponentInitLocker();
+
+#elif TARGET_OS_WIN32
+public:
+	bool sNeedsUnlocking;
+	ComponentInitLocker() { sNeedsUnlocking = sComponentOpenGuard.Lock(); }
+	~ComponentInitLocker() { if(sNeedsUnlocking) { sComponentOpenGuard.Unlock(); } }
+private:
+	static CAGuard	sComponentOpenGuard;
+#endif
+
+private:
+	ComponentBase::EInstanceType	mPreviousNewInstanceType;
+};
+
+/*! @class AudioComponentPlugInInstance */
+struct AudioComponentPlugInInstance {
+	AudioComponentPlugInInterface		mPlugInInterface;
+	void *								(*mConstruct)(void *memory, AudioComponentInstance ci);
+	void								(*mDestruct)(void *memory);
+	void *								mPad[2];				// pad to a 16-byte boundary (in either 32 or 64 bit mode)
+	UInt32								mInstanceStorage;		// the ACI implementation object is constructed into this memory
+																// this member is just a placeholder. it is aligned to a 16byte boundary
+};
+
+/*! @class APFactory */
+template <class APMethodLookup, class Implementor>
+class APFactory {
+public:
+	static void *Construct(void *memory, AudioComponentInstance compInstance)
+	{
+		return new(memory) Implementor(compInstance);
+	}
+
+	static void Destruct(void *memory)
+	{
+		((Implementor *)memory)->~Implementor();
+	}
+
+	// This is the AudioComponentFactoryFunction. It returns an AudioComponentPlugInInstance.
+	// The actual implementation object is not created until Open().
+	static AudioComponentPlugInInterface *Factory(const AudioComponentDescription * /* inDesc */)
+	{
+		AudioComponentPlugInInstance *acpi =
+				(AudioComponentPlugInInstance *)malloc( offsetof(AudioComponentPlugInInstance, mInstanceStorage) + sizeof(Implementor) );
+		acpi->mPlugInInterface.Open = ComponentBase::AP_Open;
+		acpi->mPlugInInterface.Close = ComponentBase::AP_Close;
+		acpi->mPlugInInterface.Lookup = APMethodLookup::Lookup;
+		acpi->mPlugInInterface.reserved = NULL;
+		acpi->mConstruct = Construct;
+		acpi->mDestruct = Destruct;
+		acpi->mPad[0] = NULL;
+		acpi->mPad[1] = NULL;
+		return (AudioComponentPlugInInterface*)acpi;
+	}
+
+	// This is for runtime registration (not for plug-ins loaded from bundles).
+	static AudioComponent Register(UInt32 type, UInt32 subtype, UInt32 manuf, CFStringRef name, UInt32 vers, UInt32 flags=0)
+	{
+		AudioComponentDescription desc = { type, subtype, manuf, flags, 0 };
+		return AudioComponentRegister(&desc, name, vers, Factory);
+	}
+};
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+/*! @class ComponentEntryPoint
+ *	@discussion This is only used for a component manager version
+*/
+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;
+
+				ComponentBase::sNewInstanceType = ComponentBase::kComponentMgrInstance;
+				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
+
+				CMgr_SetComponentInstanceStorage(ci, (Handle)This);
+			} 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;
+	}
+};
+
+// NOTE: Component Mgr is deprecated in ML.
+// this macro should not be used with new audio components
+// it is only for backwards compatibility with Lion and SL.
+// this macro registers both a plugin and a component mgr version.
+#define AUDIOCOMPONENT_ENTRY(FactoryType, 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); \
+    } \
+    extern "C" void * Class##Factory(const AudioComponentDescription *inDesc); \
+    extern "C" void * Class##Factory(const AudioComponentDescription *inDesc) { \
+        return FactoryType<Class>::Factory(inDesc); \
+    }
+    // the only component we still support are the carbon based view components
+    // you should be using this macro now to exclusively register those types
+#define VIEW_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); \
+    }
+
+	/*! @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)
+// this macro is used to generate the Entry Point for a given Audio Plugin
+// you should be using this macro now with audio components
+#define AUDIOCOMPONENT_ENTRY(FactoryType, Class) \
+    extern "C" void * Class##Factory(const AudioComponentDescription *inDesc); \
+    extern "C" void * Class##Factory(const AudioComponentDescription *inDesc) { \
+        return FactoryType<Class>::Factory(inDesc); \
+    }
+
+#endif // !CA_USE_AUDIO_PLUGIN_ONLY
+
+
+#endif // __ComponentBase_h__

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/MusicDeviceBase.cpp

@@ -0,0 +1,354 @@
+/*
+     File: MusicDeviceBase.cpp
+ Abstract: MusicDeviceBase.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 "MusicDeviceBase.h"
+
+// compatibility with older OS SDK releases
+typedef OSStatus
+(*TEMP_MusicDeviceMIDIEventProc)(	void *			inComponentStorage,
+							UInt32					inStatus,
+							UInt32					inData1,
+							UInt32					inData2,
+							UInt32					inOffsetSampleFrame);
+
+typedef OSStatus
+(*TEMP_MusicDeviceStartNoteProc)(	void *				inComponentStorage,
+						MusicDeviceInstrumentID			inInstrument,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID *				outNoteInstanceID,
+						UInt32							inOffsetSampleFrame,
+						const MusicDeviceNoteParams *	inParams);
+
+typedef OSStatus
+(*TEMP_MusicDeviceStopNoteProc)(void *					inComponentStorage,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID					inNoteInstanceID,
+						UInt32							inOffsetSampleFrame);
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+
+static OSStatus		MusicDeviceBaseMIDIEvent(void *			inComponentStorage,
+						UInt32				inStatus,
+						UInt32				inData1,
+						UInt32				inData2,
+						UInt32				inOffsetSampleFrame);
+
+static OSStatus		MusicDeviceBaseStartNote(	void *		inComponentStorage,
+						MusicDeviceInstrumentID			inInstrument,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID *				outNoteInstanceID,
+						UInt32							inOffsetSampleFrame,
+						const MusicDeviceNoteParams *	inParams);
+
+static OSStatus		MusicDeviceBaseStopNote(void *			inComponentStorage,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID					inNoteInstanceID,
+						UInt32							inOffsetSampleFrame);
+
+#endif
+
+MusicDeviceBase::MusicDeviceBase(AudioComponentInstance			inInstance,
+									UInt32						numInputs,
+									UInt32						numOutputs,
+									UInt32						numGroups)
+	: AUBase(inInstance, numInputs, numOutputs, numGroups),
+	  AUMIDIBase(this)
+{
+}
+
+OSStatus			MusicDeviceBase::GetPropertyInfo(AudioUnitPropertyID	inID,
+							AudioUnitScope				inScope,
+							AudioUnitElement			inElement,
+							UInt32 &				outDataSize,
+							Boolean &				outWritable)
+{
+	OSStatus result;
+
+	switch (inID)
+	{
+#if !TARGET_OS_IPHONE
+		case kMusicDeviceProperty_InstrumentCount:
+			if (inScope != kAudioUnitScope_Global) return kAudioUnitErr_InvalidScope;
+			outDataSize = sizeof(UInt32);
+			outWritable = false;
+			result = noErr;
+			break;
+#endif
+		default:
+			result = AUBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+
+			if (result == kAudioUnitErr_InvalidProperty)
+				result = AUMIDIBase::DelegateGetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+			break;
+	}
+	return result;
+}
+
+OSStatus			MusicDeviceBase::GetProperty(	AudioUnitPropertyID			inID,
+							AudioUnitScope 				inScope,
+							AudioUnitElement		 	inElement,
+							void *					outData)
+{
+	OSStatus result;
+
+	switch (inID)
+	{
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+		case kAudioUnitProperty_FastDispatch:
+			if (!IsCMgrObject()) return kAudioUnitErr_InvalidProperty;
+			if (inElement == kMusicDeviceMIDIEventSelect) {
+				*(TEMP_MusicDeviceMIDIEventProc *)outData = MusicDeviceBaseMIDIEvent;
+				return noErr;
+			}
+			else if (inElement == kMusicDeviceStartNoteSelect) {
+				*(TEMP_MusicDeviceStartNoteProc *)outData = MusicDeviceBaseStartNote;
+				return noErr;
+			}
+			else if (inElement == kMusicDeviceStopNoteSelect) {
+				*(TEMP_MusicDeviceStopNoteProc *)outData = MusicDeviceBaseStopNote;
+				return noErr;
+			}
+			return kAudioUnitErr_InvalidElement;
+#endif
+
+#if !TARGET_OS_IPHONE
+		case kMusicDeviceProperty_InstrumentCount:
+			if (inScope != kAudioUnitScope_Global) return kAudioUnitErr_InvalidScope;
+			return GetInstrumentCount (*(UInt32*)outData);
+#endif
+		default:
+			result = AUBase::GetProperty (inID, inScope, inElement, outData);
+
+			if (result == kAudioUnitErr_InvalidProperty)
+				result = AUMIDIBase::DelegateGetProperty (inID, inScope, inElement, outData);
+	}
+
+	return result;
+}
+
+
+OSStatus			MusicDeviceBase::SetProperty(	AudioUnitPropertyID 			inID,
+							AudioUnitScope 				inScope,
+							AudioUnitElement 			inElement,
+							const void *				inData,
+							UInt32 					inDataSize)
+
+{
+
+	OSStatus result = AUBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
+
+	if (result == kAudioUnitErr_InvalidProperty)
+		result = AUMIDIBase::DelegateSetProperty (inID, inScope, inElement, inData, inDataSize);
+
+	return result;
+}
+
+// For a MusicDevice that doesn't support separate instruments (ie. is mono-timbral)
+// then this call should return an instrument count of zero and noErr
+OSStatus			MusicDeviceBase::GetInstrumentCount (UInt32 &outInstCount) const
+{
+	outInstCount = 0;
+	return noErr;
+}
+
+OSStatus	MusicDeviceBase::HandleNoteOn(	UInt8 	inChannel,
+											UInt8 	inNoteNumber,
+											UInt8 	inVelocity,
+											UInt32 	inStartFrame)
+{
+	MusicDeviceNoteParams params;
+	params.argCount = 2;
+	params.mPitch = inNoteNumber;
+	params.mVelocity = inVelocity;
+	return StartNote (kMusicNoteEvent_UseGroupInstrument, inChannel, NULL, inStartFrame, params);
+}
+
+OSStatus	MusicDeviceBase::HandleNoteOff(	UInt8 	inChannel,
+											UInt8 	inNoteNumber,
+											UInt8 	inVelocity,
+											UInt32 	inStartFrame)
+{
+	return StopNote (inChannel, inNoteNumber, inStartFrame);
+}
+
+OSStatus
+MusicDeviceBase::HandleStartNoteMessage (MusicDeviceInstrumentID		inInstrument,
+										MusicDeviceGroupID				inGroupID,
+										NoteInstanceID *				outNoteInstanceID,
+										UInt32							inOffsetSampleFrame,
+										const MusicDeviceNoteParams *	inParams)
+{
+	if (inParams == NULL || outNoteInstanceID == NULL) return kAudio_ParamError;
+
+	if (!IsInitialized()) return kAudioUnitErr_Uninitialized;
+
+	return StartNote (inInstrument, inGroupID, outNoteInstanceID, inOffsetSampleFrame, *inParams);
+}
+
+#if TARGET_OS_MAC
+	#if __LP64__
+		// comp instance, parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index + 1];
+	#else
+		// parameters in reverse order, then comp instance
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_nparams - 1 - _index];
+	#endif
+#elif TARGET_OS_WIN32
+		// (no comp instance), parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index];
+#endif
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+OSStatus			MusicDeviceBase::ComponentEntryDispatch(	ComponentParameters *		params,
+																MusicDeviceBase *			This)
+{
+	if (This == NULL) return kAudio_ParamError;
+
+	OSStatus result;
+
+	switch (params->what) {
+	case kMusicDeviceMIDIEventSelect:
+	case kMusicDeviceSysExSelect:
+		{
+			result = AUMIDIBase::ComponentEntryDispatch (params, This);
+		}
+		break;
+	case kMusicDevicePrepareInstrumentSelect:
+		{
+			PARAM(MusicDeviceInstrumentID, inInstrument, 0, 1);
+			result = This->PrepareInstrument(inInstrument);
+		}
+		break;
+	case kMusicDeviceReleaseInstrumentSelect:
+		{
+			PARAM(MusicDeviceInstrumentID, inInstrument, 0, 1);
+			result = This->ReleaseInstrument(inInstrument);
+		}
+		break;
+	case kMusicDeviceStartNoteSelect:
+		{
+			PARAM(MusicDeviceInstrumentID, pbinInstrument, 0, 5);
+			PARAM(MusicDeviceGroupID, pbinGroupID, 1, 5);
+			PARAM(NoteInstanceID *, pboutNoteInstanceID, 2, 5);
+			PARAM(UInt32, pbinOffsetSampleFrame, 3, 5);
+			PARAM(const MusicDeviceNoteParams *, pbinParams, 4, 5);
+			result = This->HandleStartNoteMessage(pbinInstrument, pbinGroupID, pboutNoteInstanceID, pbinOffsetSampleFrame, pbinParams);
+		}
+		break;
+	case kMusicDeviceStopNoteSelect:
+		{
+			PARAM(MusicDeviceGroupID, pbinGroupID, 0, 3);
+			PARAM(NoteInstanceID, pbinNoteInstanceID, 1, 3);
+			PARAM(UInt32, pbinOffsetSampleFrame, 2, 3);
+			result = This->StopNote(pbinGroupID, pbinNoteInstanceID, pbinOffsetSampleFrame);
+		}
+		break;
+
+	default:
+		result = AUBase::ComponentEntryDispatch(params, This);
+		break;
+	}
+
+	return result;
+}
+#endif
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+
+// fast dispatch
+static OSStatus		MusicDeviceBaseMIDIEvent(void *					inComponentStorage,
+						UInt32					inStatus,
+						UInt32					inData1,
+						UInt32					inData2,
+						UInt32					inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		MusicDeviceBase *This = static_cast<MusicDeviceBase *>(inComponentStorage);
+		if (This == NULL) return kAudio_ParamError;
+		result = This->MIDIEvent(inStatus, inData1, inData2, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+OSStatus		MusicDeviceBaseStartNote(	void *		inComponentStorage,
+						MusicDeviceInstrumentID			inInstrument,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID *				outNoteInstanceID,
+						UInt32							inOffsetSampleFrame,
+						const MusicDeviceNoteParams *	inParams)
+{
+	OSStatus result = noErr;
+	try {
+		if (inParams == NULL || outNoteInstanceID == NULL) return kAudio_ParamError;
+		MusicDeviceBase *This = static_cast<MusicDeviceBase *>(inComponentStorage);
+		if (This == NULL) return kAudio_ParamError;
+		result = This->StartNote(inInstrument, inGroupID, outNoteInstanceID, inOffsetSampleFrame, *inParams);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+OSStatus		MusicDeviceBaseStopNote(void *			inComponentStorage,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID					inNoteInstanceID,
+						UInt32							inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		MusicDeviceBase *This = static_cast<MusicDeviceBase *>(inComponentStorage);
+		if (This == NULL) return kAudio_ParamError;
+		result = This->StopNote(inGroupID, inNoteInstanceID, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+#endif

modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/MusicDeviceBase.h

@@ -0,0 +1,126 @@
+/*
+     File: MusicDeviceBase.h
+ Abstract: Part of CoreAudio Utility Classes
+  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.
+
+*/
+#ifndef __MusicDeviceBase_h__
+#define __MusicDeviceBase_h__
+
+#include "AUMIDIBase.h"
+
+// ________________________________________________________________________
+//	MusicDeviceBase
+//
+
+/*! @class MusicDeviceBase */
+class MusicDeviceBase : public AUBase, public AUMIDIBase {
+public:
+	/*! @ctor MusicDeviceBase */
+								MusicDeviceBase(		AudioComponentInstance			inInstance,
+														UInt32							numInputs,
+														UInt32							numOutputs,
+														UInt32							numGroups = 0);
+
+
+	virtual OSStatus	MIDIEvent(		UInt32 						inStatus,
+										UInt32 						inData1,
+										UInt32 						inData2,
+										UInt32 						inOffsetSampleFrame)
+	{
+		return AUMIDIBase::MIDIEvent (inStatus, inData1, inData2, inOffsetSampleFrame);
+	}
+
+	/*! @method SysEx */
+	virtual OSStatus	SysEx(			const UInt8 *				inData,
+										UInt32 						inLength)
+	{
+		return AUMIDIBase::SysEx (inData, inLength);
+	}
+
+	/*! @method GetPropertyInfo */
+	virtual OSStatus			GetPropertyInfo(AudioUnitPropertyID			inID,
+												AudioUnitScope				inScope,
+												AudioUnitElement			inElement,
+												UInt32 &					outDataSize,
+												Boolean &					outWritable);
+
+	/*! @method GetProperty */
+	virtual OSStatus			GetProperty(	AudioUnitPropertyID 		inID,
+												AudioUnitScope 				inScope,
+												AudioUnitElement		 	inElement,
+												void *						outData);
+
+	/*! @method SetProperty */
+	virtual OSStatus			SetProperty(			AudioUnitPropertyID 			inID,
+														AudioUnitScope 					inScope,
+														AudioUnitElement 				inElement,
+														const void *					inData,
+														UInt32 							inDataSize);
+
+	/*! @method HandleNoteOn */
+	virtual OSStatus			HandleNoteOn(	UInt8 	inChannel,
+												UInt8 	inNoteNumber,
+												UInt8 	inVelocity,
+												UInt32 	inStartFrame);
+
+	/*! @method HandleNoteOff */
+	virtual OSStatus			HandleNoteOff(	UInt8 	inChannel,
+												UInt8 	inNoteNumber,
+												UInt8 	inVelocity,
+												UInt32 	inStartFrame);
+
+	/*! @method GetInstrumentCount */
+	virtual OSStatus			GetInstrumentCount (	UInt32 &outInstCount) const;
+
+#if !CA_USE_AUDIO_PLUGIN_ONLY
+	// component dispatcher
+	/*! @method ComponentEntryDispatch */
+	static OSStatus			ComponentEntryDispatch(	ComponentParameters *			params,
+														MusicDeviceBase *				This);
+#endif
+private:
+	OSStatus				HandleStartNoteMessage (MusicDeviceInstrumentID inInstrument, MusicDeviceGroupID inGroupID, NoteInstanceID *outNoteInstanceID, UInt32 inOffsetSampleFrame, const MusicDeviceNoteParams *inParams);
+};
+
+#endif // __MusicDeviceBase_h__

modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm

@@ -64,8 +64,8 @@
     juce website for more info on how to get them:
     http://www.juce.com/forum/topic/aus-xcode
 */
-#include "AUMIDIEffectBase.h"
-#include "MusicDeviceBase.h"
+#include "CoreAudioUtilityClasses/AUMIDIEffectBase.h"
+#include "CoreAudioUtilityClasses/MusicDeviceBase.h"
 #undef Point
 #undef Component
 
@@ -84,7 +84,7 @@
 #if BUILD_AU_CARBON_UI
  #undef Button
  #define Point CarbonDummyPointName
- #include "AUCarbonViewBase.h"
+ #include "CoreAudioUtilityClasses/AUCarbonViewBase.h"
  #undef Point
 #endif
 
@@ -1647,7 +1647,7 @@ JUCE_FACTORY_ENTRY   (JuceAU, JucePlugin_AUExportPrefix)
 #endif
 
 #if ! JUCE_DISABLE_AU_FACTORY_ENTRY
- #include "AUPlugInDispatch.cpp"
+ #include "CoreAudioUtilityClasses/AUPlugInDispatch.cpp"
 #endif
 
 #endif

modules/juce_audio_plugin_client/juce_module_info

@@ -26,6 +26,27 @@
                       { "file": "RTAS/juce_RTAS_Wrapper.cpp", "warnings": "disabled", "stdcall": "1", "target": "xcode, msvc" },
                       { "file": "AU/juce_AU_Resources.r", "target": "xcode", "AudioUnitOnly": "1" },
                       { "file": "AU/juce_AU_Wrapper.mm", "target": "xcode" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUBase.cpp",                   "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUBuffer.cpp",                 "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUCarbonViewBase.cpp",         "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUCarbonViewControl.cpp",      "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUCarbonViewDispatch.cpp",     "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUDispatch.cpp",               "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUEffectBase.cpp",             "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUInputElement.cpp",           "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUMIDIBase.cpp",               "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUMIDIEffectBase.cpp",         "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUOutputBase.cpp",             "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUOutputElement.cpp",          "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/AUScopeElement.cpp",           "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/CAAUParameter.cpp",            "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/CAAudioChannelLayout.cpp",     "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/CAMutex.cpp",                  "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/CAStreamBasicDescription.cpp", "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/CAVectorUnit.cpp",             "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/CarbonEventHandler.cpp",       "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/ComponentBase.cpp",            "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
+                      { "file": "AU/CoreAudioUtilityClasses/MusicDeviceBase.cpp",          "warnings": "disabled", "target": "xcode", "AudioUnitOnly": "1" },
                       { "file": "AAX/juce_AAX_Wrapper.cpp", "target": "xcode, msvc" },
                       { "file": "AAX/juce_AAX_Wrapper.mm", "target": "xcode" },
                       { "file": "utility/juce_PluginUtilities.cpp" }