AudioToolbox iOS10 Beta2

#AudioToolbox.framework

diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnit.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnit.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnit.h	2016-05-25 07:13:54.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnit.h	2016-06-26 07:56:00.000000000 +0200
@@ -753,7 +753,23 @@
 	@discussion
 		Bridged to the v2 property kAudioUnitProperty_SupportsMPE.
 */
-@property (NS_NONATOMIC_IOSONLY, readonly) BOOL supportsMPE;
+@property (NS_NONATOMIC_IOSONLY, readonly) BOOL supportsMPE NS_AVAILABLE(10_12, 10_0);
+
+/*!	@property	channelMap
+	@brief		Specify a mapping of input channels to output channels.
+	@discussion
+		Converter and input/output audio units may support re-ordering or splitting of input
+		channels to output channels. The number of channels in the channel map is the number of
+		channels of the destination (output format). The channel map entries contain a channel
+		number of the source channel that should be mapped to that destination channel. If -1 is
+		specified, then that destination channel will not contain any channel from the source (so it
+		will be silent).
+		
+		If the property value is nil, then the audio unit does not support this property.
+ 
+		Bridged to the v2 property kAudioOutputUnitProperty_ChannelMap.
+*/
+@property (NS_NONATOMIC_IOSONLY, copy, nullable) NSArray<NSNumber *> *channelMap NS_AVAILABLE(10_12, 10_0);
 
 @end
 
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnitImplementation.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnitImplementation.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnitImplementation.h	2016-05-25 07:13:54.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUAudioUnitImplementation.h	2016-06-26 09:02:40.000000000 +0200
@@ -85,6 +85,12 @@
 	if the AU is implemented using AUAudioUnitV2Bridge.
 	See AudioComponent.h.
 
+Note that as of OS X version 10.12, the system has special support for installing both version 2
+(bundle-based) and version 3 (extension) implementations of the same audio unit. When two components
+are registered with the same type/subtype/manufacturer and version, normally the first one found
+is used. But if one is an audio unit extension and the other is not, then the audio unit extension's
+registration "wins", though if an app attempts to open it synchronously, with 
+AudioComponentInstanceNew, then the system will fall back to the version 2 implementation.
 */
 
 #if __OBJC2__
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUComponent.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUComponent.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUComponent.h	2016-05-25 06:33:41.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUComponent.h	2016-06-26 07:56:38.000000000 +0200
@@ -1604,6 +1604,34 @@
                                                 __OSX_AVAILABLE_STARTING(__MAC_NA, __IPHONE_7_0);
 #endif // TARGET_OS_IPHONE
 
+/*!
+	@function		AudioUnitExtensionSetComponentList
+	@abstract		Allows the implementor of an audio unit extension to dynamically modify the
+					list of component registrations for the extension.
+	@param			extensionIdentifier
+						The bundle ID of the audio unit extension.
+	@param			audioComponentInfo
+						An array of dictionaries, one for each component, in the same format as
+						described in AudioComponent.h for the Info.plist key "AudioComponents".
+    @result         An OSStatus result code.
+*/
+extern void
+AudioUnitExtensionSetComponentList(CFStringRef extensionIdentifier, CFArrayRef audioComponentInfo)
+                                                __OSX_AVAILABLE_STARTING(__MAC_10_12, __IPHONE_10_0);
+
+/*!
+	@function		AudioUnitExtensionCopyComponentList
+	@abstract		Allows the implementor of an audio unit extension to dynamically modify the
+					list of component registrations for the extension.
+	@param			extensionIdentifier
+						The bundle ID of the audio unit extension.
+	@result			An array of dictionaries, one for each component, in the same format as
+					described in AudioComponent.h for the Info.plist key "AudioComponents".
+					The caller should release this value when done with it.
+*/
+extern CFArrayRef
+AudioUnitExtensionCopyComponentList(CFStringRef extensionIdentifier)
+                                                __OSX_AVAILABLE_STARTING(__MAC_10_12, __IPHONE_10_0);
 
 
 
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUParameters.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUParameters.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUParameters.h	2016-05-25 06:33:41.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AUParameters.h	2016-06-26 07:56:38.000000000 +0200
@@ -256,7 +256,9 @@
 		"LFO.rate.value" refers to that parameter's value.
 
 		An audio unit may choose to dynamically rearrange the tree. When doing so, it must
-		issue a KVO notification on the audio unit's parameterTree property.
+		issue a KVO notification on the audio unit's parameterTree property. The tree's elements are
+		mostly immutable (except for values and implementor hooks); the only way to modify them
+		is to publish a new tree.
 */
 NS_CLASS_AVAILABLE(10_11, 9_0)
 @interface AUParameterTree : AUParameterGroup <NSSecureCoding>
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioSession.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioSession.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioSession.h	2016-05-25 01:11:59.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioSession.h	2016-06-25 00:40:00.000000000 +0200
@@ -474,7 +474,7 @@
 	 not allowed) 
 	 An application must be prepared for setting this property to fail as behaviour may change in future releases. 
 	 If an application changes their category, they should reassert the override (it is not sticky across category changes)
-	 @constant       kAudioSessionProperty_InterruptionType
+     @constant       kAudioSessionProperty_InterruptionType
 	 Available with iOS 4.0 or greater
 	 This is a read-only property that gives the type of the end interruption event.  Media playback apps (i.e., 
 	 those apps that have a "play" button), may use this property as a guideline for when to resume playing after an 
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioToolbox.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioToolbox.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioToolbox.h	2016-05-25 07:09:31.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioToolbox.h	2016-06-26 09:02:40.000000000 +0200
@@ -38,13 +38,10 @@
 		#include <AudioToolbox/AudioUnitUtilities.h>
 		#include <AudioToolbox/AUMIDIController.h>
 		#include <AudioToolbox/CoreAudioClock.h>
-		#ifdef __OBJC__
-			#import <AudioToolbox/AUCocoaUIView.h>
-		#endif
 	#endif
 
 	#ifdef __OBJC2__
-		// iOS, OS X 64-bit only
+		// iOS (all architectures), OS X 64-bit only
 		#import <AudioToolbox/AUAudioUnit.h>
 		#import <AudioToolbox/AUAudioUnitImplementation.h>
 		#import <AudioToolbox/AUParameters.h>
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnit.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnit.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnit.h	2016-05-25 06:33:41.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnit.h	2016-06-26 09:05:36.000000000 +0200
@@ -28,9 +28,6 @@
 
 	#if !TARGET_OS_IPHONE	
 		#include <AudioToolbox/AudioCodec.h>
-		#ifdef __OBJC__
-			#import <AudioToolbox/AUCocoaUIView.h>
-		#endif
 	#endif
 
 #else
diff -ruN /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnitProperties.h /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnitProperties.h
--- /Applications/Xcode8-beta1.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnitProperties.h	2016-05-25 06:33:41.000000000 +0200
+++ /Applications/Xcode8-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/AudioToolbox.framework/Headers/AudioUnitProperties.h	2016-06-26 09:05:36.000000000 +0200
@@ -151,6 +151,7 @@
 						
 	@constant		kAudioUnitProperty_ParameterInfo
 						Scope:			Any
+						Element:		AudioUnitParameterID of the parameter being queried
 						Value Type:		AudioUnitParameterInfo
 						Access:			Read
 						
@@ -231,6 +232,7 @@
 	
 	@constant		kAudioUnitProperty_ParameterValueStrings
 						Scope:			Any
+						Element:		AudioUnitParameterID of the parameter being queried 
 						Value Type:		CFArrayRef
 						Access:			Read
 						
@@ -400,6 +402,7 @@
 	
 	@constant		kAudioUnitProperty_ParameterIDName
 						Scope:				any
+						Element:			AudioUnitParameterID of the parameter being queried
 						Value Type:			AudioUnitParameterIDName
 						Access:				read
 
@@ -2171,12 +2174,12 @@
 						
 	@constant		kAudioOutputUnitProperty_ChannelMap
 	@discussion			Scope:			Input/Output
-						Value Type:		Array of UInt32
+						Value Type:		Array of SInt32
 						Access:			Read / Write
 
 						This will also work with AUConverter. This property is used to map input channels from an input (source) to a destination.
 						The number of channels represented in the channel map is the number of channels of the destination. The channel map entries
-						contain a channel number of the source that should be mapped to that destination channel. If -1 is specified, than that 
+						contain a channel number of the source that should be mapped to that destination channel. If -1 is specified, then that 
 						destination channel will not contain any channel from the source (so it will be silent)
 						
 	@constant		kAudioOutputUnitProperty_EnableIO