Added Inter-App Audio capabilities to standalone plug-ins

examples/PlugInSamples/InterAppAudioEffect/Builds/iOS/Info-Standalone_Plugin.plist

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist>
+  <dict>
+    <key>LSRequiresIPhoneOS</key>
+    <true/>
+    <key>NSMicrophoneUsageDescription</key>
+    <string>This app requires microphone input.</string>
+    <key>UIViewControllerBasedStatusBarAppearance</key>
+    <false/>
+    <key>CFBundleExecutable</key>
+    <string>${EXECUTABLE_NAME}</string>
+    <key>CFBundleIdentifier</key>
+    <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+    <key>CFBundleName</key>
+    <string>InterAppAudioEffect</string>
+    <key>CFBundleDisplayName</key>
+    <string>InterAppAudioEffect</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleShortVersionString</key>
+    <string>1.0.0</string>
+    <key>CFBundleVersion</key>
+    <string>1.0.0</string>
+    <key>NSHumanReadableCopyright</key>
+    <string>ROLI Ltd.</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+    <key>UIRequiresFullScreen</key>
+    <true/>
+    <key>UIStatusBarHidden</key>
+    <true/>
+    <key>UISupportedInterfaceOrientations</key>
+    <array>
+      <string>UIInterfaceOrientationPortrait</string>
+      <string>UIInterfaceOrientationLandscapeLeft</string>
+      <string>UIInterfaceOrientationLandscapeRight</string>
+    </array>
+    <key>UIBackgroundModes</key>
+    <array>
+      <string>audio</string>
+    </array>
+    <key>AudioComponents</key>
+    <array>
+      <dict>
+        <key>name</key>
+        <string>ROLI Ltd.: InterAppAudioEffect</string>
+        <key>manufacturer</key>
+        <string>ROLI</string>
+        <key>type</key>
+        <string>aurx</string>
+        <key>subtype</key>
+        <string>IAAE</string>
+        <key>version</key>
+        <integer>65536</integer>
+      </dict>
+    </array>
+  </dict>
+</plist>

examples/PlugInSamples/InterAppAudioEffect/Builds/iOS/InterAppAudioEffect.entitlements

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>inter-app-audio</key>
+	<true/>
+</dict>
+</plist>

examples/PlugInSamples/InterAppAudioEffect/Builds/iOS/InterAppAudioEffect.xcodeproj/project.pbxproj

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+				OTHER_CPLUSPLUSFLAGS = "-Wall -Wshadow -Wno-missing-field-initializers -Wshadow -Wshorten-64-to-32 -Wstrict-aliasing -Wuninitialized -Wunused-parameter -Wconversion -Wsign-compare -Wint-conversion -Woverloaded-virtual -Wreorder -Wconstant-conversion -Wsign-conversion";
+				OTHER_LDFLAGS = "-lInterAppAudioEffect";
+				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.InterAppAudioEffect; }; name = Debug; };
+		07EA55A19B872E1F49C62539 = {isa = XCBuildConfiguration; buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
+				CLANG_LINK_OBJC_RUNTIME = NO;
+				CODE_SIGN_ENTITLEMENTS = "InterAppAudioEffect.entitlements";
+				COMBINE_HIDPI_IMAGES = YES;
+				CONFIGURATION_BUILD_DIR = "$(PROJECT_DIR)/build/$(CONFIGURATION)";
+				DEAD_CODE_STRIPPING = YES;
+				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
+				GCC_OPTIMIZATION_LEVEL = 3;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"_NDEBUG=1",
+					"NDEBUG=1",
+					"JUCER_XCODE_IPHONE_5BC26AE3=1",
+					"JUCE_APP_VERSION=1.0.0",
+					"JUCE_APP_VERSION_HEX=0x10000",
+					"JucePlugin_Build_VST=0",
+					"JucePlugin_Build_VST3=0",
+					"JucePlugin_Build_AU=0",
+					"JucePlugin_Build_AUv3=0",
+					"JucePlugin_Build_RTAS=0",
+					"JucePlugin_Build_AAX=0",
+					"JucePlugin_Build_Standalone=1", );
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				HEADER_SEARCH_PATHS = ("../../JuceLibraryCode", "../../../../../modules", "$(inherited)");
+				INFOPLIST_FILE = Info-Standalone_Plugin.plist;
+				OTHER_CPLUSPLUSFLAGS = "-Wall -Wshadow -Wno-missing-field-initializers -Wshadow -Wshorten-64-to-32 -Wstrict-aliasing -Wuninitialized -Wunused-parameter -Wconversion -Wsign-compare -Wint-conversion -Woverloaded-virtual -Wreorder -Wconstant-conversion -Wsign-conversion";
+				OTHER_LDFLAGS = "-lInterAppAudioEffect";
+				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.InterAppAudioEffect; }; name = Release; };
+		E6FA0B75AC78727D8A3F1888 = {isa = XCBuildConfiguration; buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
+				CLANG_LINK_OBJC_RUNTIME = NO;
+				COMBINE_HIDPI_IMAGES = YES;
+				CONFIGURATION_BUILD_DIR = "$(PROJECT_DIR)/build/$(CONFIGURATION)";
+				COPY_PHASE_STRIP = NO;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"_DEBUG=1",
+					"DEBUG=1",
+					"JUCER_XCODE_IPHONE_5BC26AE3=1",
+					"JUCE_APP_VERSION=1.0.0",
+					"JUCE_APP_VERSION_HEX=0x10000",
+					"JucePlugin_Build_VST=0",
+					"JucePlugin_Build_VST3=0",
+					"JucePlugin_Build_AU=0",
+					"JucePlugin_Build_AUv3=0",
+					"JucePlugin_Build_RTAS=0",
+					"JucePlugin_Build_AAX=0",
+					"JucePlugin_Build_Standalone=1",
+					"JUCE_SHARED_CODE=1", );
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				HEADER_SEARCH_PATHS = ("../../JuceLibraryCode", "../../../../../modules", "$(inherited)");
+				INSTALL_PATH = "@executable_path/Frameworks";
+				OTHER_CPLUSPLUSFLAGS = "-Wall -Wshadow -Wno-missing-field-initializers -Wshadow -Wshorten-64-to-32 -Wstrict-aliasing -Wuninitialized -Wunused-parameter -Wconversion -Wsign-compare -Wint-conversion -Woverloaded-virtual -Wreorder -Wconstant-conversion -Wsign-conversion";
+				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.InterAppAudioEffect; }; name = Debug; };
+		665044AFDC3F0D4E11643857 = {isa = XCBuildConfiguration; buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
+				CLANG_CXX_LANGUAGE_STANDARD = "c++0x";
+				CLANG_LINK_OBJC_RUNTIME = NO;
+				COMBINE_HIDPI_IMAGES = YES;
+				CONFIGURATION_BUILD_DIR = "$(PROJECT_DIR)/build/$(CONFIGURATION)";
+				DEAD_CODE_STRIPPING = YES;
+				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
+				GCC_OPTIMIZATION_LEVEL = 3;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"_NDEBUG=1",
+					"NDEBUG=1",
+					"JUCER_XCODE_IPHONE_5BC26AE3=1",
+					"JUCE_APP_VERSION=1.0.0",
+					"JUCE_APP_VERSION_HEX=0x10000",
+					"JucePlugin_Build_VST=0",
+					"JucePlugin_Build_VST3=0",
+					"JucePlugin_Build_AU=0",
+					"JucePlugin_Build_AUv3=0",
+					"JucePlugin_Build_RTAS=0",
+					"JucePlugin_Build_AAX=0",
+					"JucePlugin_Build_Standalone=1",
+					"JUCE_SHARED_CODE=1", );
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				HEADER_SEARCH_PATHS = ("../../JuceLibraryCode", "../../../../../modules", "$(inherited)");
+				INSTALL_PATH = "@executable_path/Frameworks";
+				OTHER_CPLUSPLUSFLAGS = "-Wall -Wshadow -Wno-missing-field-initializers -Wshadow -Wshorten-64-to-32 -Wstrict-aliasing -Wuninitialized -Wunused-parameter -Wconversion -Wsign-compare -Wint-conversion -Woverloaded-virtual -Wreorder -Wconstant-conversion -Wsign-conversion";
+				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.InterAppAudioEffect; }; name = Release; };
+		4650CE5DEC4B4B8ED96435A4 = {isa = XCBuildConfiguration; buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf";
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = c11;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_MODEL_TUNING = G5;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_CHECK_SWITCH_STATEMENTS = YES;
+				GCC_WARN_MISSING_PARENTHESES = YES;
+				GCC_WARN_NON_VIRTUAL_DESTRUCTOR = YES;
+				GCC_WARN_TYPECHECK_CALLS_TO_PRINTF = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				ONLY_ACTIVE_ARCH = YES;
+				PRODUCT_NAME = "InterAppAudioEffect";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				WARNING_CFLAGS = -Wreorder;
+				ZERO_LINK = NO; }; name = Debug; };
+		C2BB86E774E1461CAF0D87DD = {isa = XCBuildConfiguration; buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf";
+				GCC_C_LANGUAGE_STANDARD = c11;
+				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+				GCC_MODEL_TUNING = G5;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_CHECK_SWITCH_STATEMENTS = YES;
+				GCC_WARN_MISSING_PARENTHESES = YES;
+				GCC_WARN_NON_VIRTUAL_DESTRUCTOR = YES;
+				GCC_WARN_TYPECHECK_CALLS_TO_PRINTF = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
+				PRODUCT_NAME = "InterAppAudioEffect";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				WARNING_CFLAGS = -Wreorder;
+				ZERO_LINK = NO; }; name = Release; };
+		2C494CD599EC256FDB6CCE00 = {isa = PBXTargetDependency; target = 51FB6E6A2D0998D38E999826; };
+		CECAF531D33909A1FB3ABE80 = {isa = PBXTargetDependency; target = A3401CC1AC6C5B89EFBAEF01; };
+		016ACE6B9EC6F47020502F4F = {isa = XCConfigurationList; buildConfigurations = (
+					4650CE5DEC4B4B8ED96435A4,
+					C2BB86E774E1461CAF0D87DD, ); defaultConfigurationIsVisible = 0; defaultConfigurationName = Debug; };
+		D10DBCC16019A5712E897068 = {isa = XCConfigurationList; buildConfigurations = (
+					22DBBF091193373BEA063A5B,
+					54D411166886E8F3BBC0E25F, ); defaultConfigurationIsVisible = 0; defaultConfigurationName = Debug; };
+		03BD5476C606A5BA65CD4FDF = {isa = PBXAggregateTarget; buildConfigurationList = D10DBCC16019A5712E897068; buildPhases = (  ); buildRules = ( ); dependencies = (
+					2C494CD599EC256FDB6CCE00,
+					CECAF531D33909A1FB3ABE80, ); name = "InterAppAudioEffect - All"; productName = InterAppAudioEffect; };
+		10A00DA553BF0C30212421D2 = {isa = XCConfigurationList; buildConfigurations = (
+					8DA1E39A676F877EB549B8CA,
+					07EA55A19B872E1F49C62539, ); defaultConfigurationIsVisible = 0; defaultConfigurationName = Debug; };
+		C8358163192CC594074B35EA = {isa = PBXResourcesBuildPhase; buildActionMask = 2147483647; files = (
+					4EC4A8C3AF328E40626CBAE7, ); runOnlyForDeploymentPostprocessing = 0; };
+		AC1841BDF7829D1EA1146F56 = {isa = PBXSourcesBuildPhase; buildActionMask = 2147483647; files = (
+					A49F3F55F083BAD332CA4324, ); runOnlyForDeploymentPostprocessing = 0; };
+		A0069210E3FD182F29030BDB = {isa = PBXFrameworksBuildPhase; buildActionMask = 2147483647; files = (
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+					9BB46E700B9A4617B4CFDC24, ); runOnlyForDeploymentPostprocessing = 0; };
+		51FB6E6A2D0998D38E999826 = {isa = PBXNativeTarget; buildConfigurationList = 10A00DA553BF0C30212421D2; buildPhases = (
+					C8358163192CC594074B35EA,
+					AC1841BDF7829D1EA1146F56,
+					A0069210E3FD182F29030BDB, ); buildRules = ( ); dependencies = (
+					CECAF531D33909A1FB3ABE80, ); name = "InterAppAudioEffect - Standalone Plugin"; productName = InterAppAudioEffect; productReference = E9D6BA12BDD1947BDDAE08F7; productType = "com.apple.product-type.application"; };
+		AA6F190D4FECB06C7A7A0658 = {isa = XCConfigurationList; buildConfigurations = (
+					E6FA0B75AC78727D8A3F1888,
+					665044AFDC3F0D4E11643857, ); defaultConfigurationIsVisible = 0; defaultConfigurationName = Debug; };
+		177DC2A7A303F23EDDE5183A = {isa = PBXSourcesBuildPhase; buildActionMask = 2147483647; files = (
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+					DCEE24917F78097ACF14EAD0,
+					CA28F22C95EBC20CB37612FF, ); runOnlyForDeploymentPostprocessing = 0; };
+		A3401CC1AC6C5B89EFBAEF01 = {isa = PBXNativeTarget; buildConfigurationList = AA6F190D4FECB06C7A7A0658; buildPhases = (
+					177DC2A7A303F23EDDE5183A, ); buildRules = ( ); dependencies = (  ); name = "InterAppAudioEffect - Shared Code"; productName = InterAppAudioEffect; productReference = 873711620EC157BCCFFF80B1; productType = "com.apple.product-type.library.static"; };
+		DF3D0C1B88ADC0274AE6BD73 = {isa = PBXProject; buildConfigurationList = 016ACE6B9EC6F47020502F4F; attributes = { LastUpgradeCheck = 0820; TargetAttributes = { 03BD5476C606A5BA65CD4FDF = { SystemCapabilities = {com.apple.InAppPurchase = { enabled = 0; }; com.apple.InterAppAudio = { enabled = 0; }; com.apple.Sandbox = { enabled = 0; }; }; };51FB6E6A2D0998D38E999826 = { SystemCapabilities = {com.apple.InAppPurchase = { enabled = 0; }; com.apple.InterAppAudio = { enabled = 1; }; com.apple.Sandbox = { enabled = 0; }; }; };A3401CC1AC6C5B89EFBAEF01 = { SystemCapabilities = {com.apple.InAppPurchase = { enabled = 0; }; com.apple.InterAppAudio = { enabled = 0; }; com.apple.Sandbox = { enabled = 0; }; }; }; }; }; compatibilityVersion = "Xcode 3.2"; hasScannedForEncodings = 0; mainGroup = EC01685A042C62251C5AF093; projectDirPath = ""; projectRoot = ""; targets = (03BD5476C606A5BA65CD4FDF, 51FB6E6A2D0998D38E999826, A3401CC1AC6C5B89EFBAEF01); };
+	};
+	rootObject = DF3D0C1B88ADC0274AE6BD73;
+}

examples/PlugInSamples/InterAppAudioEffect/InterAppAudioEffect.jucer

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<JUCERPROJECT id="rgYEL2" name="InterAppAudioEffect" projectType="audioplug"
+              version="1.0.0" bundleIdentifier="com.yourcompany.InterAppAudioEffect"
+              includeBinaryInAppConfig="1" buildVST="0" buildVST3="0" buildAU="0"
+              buildAUv3="0" buildRTAS="0" buildAAX="0" enableIAA="1" pluginName="InterAppAudioEffect"
+              pluginDesc="InterAppAudioEffect" pluginManufacturer="ROLI Ltd."
+              pluginManufacturerCode="ROLI" pluginCode="IAAE" pluginChannelConfigs=""
+              pluginIsSynth="0" pluginWantsMidiIn="0" pluginProducesMidiOut="0"
+              pluginIsMidiEffectPlugin="0" pluginEditorRequiresKeys="0" pluginAUExportPrefix="InterAppAudioEffectAU"
+              pluginRTASCategory="" aaxIdentifier="com.yourcompany.InterAppAudioEffect"
+              pluginAAXCategory="AAX_ePlugInCategory_Dynamics" jucerVersion="4.3.1"
+              companyName="ROLI Ltd." buildStandalone="1">
+  <MAINGROUP id="BhTVmm" name="InterAppAudioEffect">
+    <GROUP id="{79B2188B-B073-DD2F-F997-AFE1A88B5908}" name="Source">
+      <FILE id="s4nZon" name="IAAEffectProcessor.h" compile="0" resource="0"
+            file="Source/IAAEffectProcessor.h"/>
+      <FILE id="yg8oqf" name="IAAEffectProcessor.cpp" compile="1" resource="0"
+            file="Source/IAAEffectProcessor.cpp"/>
+      <FILE id="CRAxnV" name="IAAEffectEditor.h" compile="0" resource="0"
+            file="Source/IAAEffectEditor.h"/>
+      <FILE id="xALLmD" name="SimpleMeter.h" compile="0" resource="0" file="Source/SimpleMeter.h"/>
+    </GROUP>
+  </MAINGROUP>
+  <EXPORTFORMATS>
+    <XCODE_IPHONE targetFolder="Builds/iOS" iosScreenOrientation="portraitlandscape"
+                  microphonePermissionNeeded="1" iosBackgroundAudio="1" extraCompilerFlags="-Wall -Wshadow -Wno-missing-field-initializers -Wshadow -Wshorten-64-to-32 -Wstrict-aliasing -Wuninitialized -Wunused-parameter -Wconversion -Wsign-compare -Wint-conversion -Woverloaded-virtual -Wreorder -Wconstant-conversion -Wsign-conversion">
+      <CONFIGURATIONS>
+        <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="InterAppAudioEffect"/>
+        <CONFIGURATION name="Release" isDebug="0" optimisation="3" targetName="InterAppAudioEffect"/>
+      </CONFIGURATIONS>
+      <MODULEPATHS>
+        <MODULEPATH id="juce_core" path="../../../modules"/>
+        <MODULEPATH id="juce_events" path="../../../modules"/>
+        <MODULEPATH id="juce_graphics" path="../../../modules"/>
+        <MODULEPATH id="juce_gui_basics" path="../../../modules"/>
+        <MODULEPATH id="juce_audio_basics" path="../../../modules"/>
+        <MODULEPATH id="juce_audio_devices" path="../../../modules"/>
+        <MODULEPATH id="juce_audio_formats" path="../../../modules"/>
+        <MODULEPATH id="juce_audio_processors" path="../../../modules"/>
+        <MODULEPATH id="juce_audio_plugin_client" path="../../../modules"/>
+        <MODULEPATH id="juce_audio_utils" path="../../../modules"/>
+        <MODULEPATH id="juce_data_structures" path="../../../modules"/>
+        <MODULEPATH id="juce_gui_extra" path="../../../modules"/>
+      </MODULEPATHS>
+    </XCODE_IPHONE>
+  </EXPORTFORMATS>
+  <MODULES>
+    <MODULE id="juce_audio_basics" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_audio_devices" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_audio_formats" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_audio_plugin_client" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_audio_processors" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_audio_utils" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_core" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_data_structures" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_events" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_graphics" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_gui_basics" showAllCode="1" useLocalCopy="0"/>
+    <MODULE id="juce_gui_extra" showAllCode="1" useLocalCopy="0"/>
+  </MODULES>
+  <JUCEOPTIONS JUCE_QUICKTIME="disabled"/>
+</JUCERPROJECT>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/AppConfig.h

@@ -0,0 +1,363 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+    There's a section below where you can add your own custom code safely, and the
+    Projucer will preserve the contents of that block, but the best way to change
+    any of these definitions is by using the Projucer's project settings.
+
+    Any commented-out settings will assume their default values.
+
+*/
+
+#pragma once
+
+//==============================================================================
+// [BEGIN_USER_CODE_SECTION]
+
+// (You can add your own code in this section, and the Projucer will not overwrite it)
+
+// [END_USER_CODE_SECTION]
+
+//==============================================================================
+#define JUCE_MODULE_AVAILABLE_juce_audio_basics             1
+#define JUCE_MODULE_AVAILABLE_juce_audio_devices            1
+#define JUCE_MODULE_AVAILABLE_juce_audio_formats            1
+#define JUCE_MODULE_AVAILABLE_juce_audio_plugin_client      1
+#define JUCE_MODULE_AVAILABLE_juce_audio_processors         1
+#define JUCE_MODULE_AVAILABLE_juce_audio_utils              1
+#define JUCE_MODULE_AVAILABLE_juce_core                     1
+#define JUCE_MODULE_AVAILABLE_juce_data_structures          1
+#define JUCE_MODULE_AVAILABLE_juce_events                   1
+#define JUCE_MODULE_AVAILABLE_juce_graphics                 1
+#define JUCE_MODULE_AVAILABLE_juce_gui_basics               1
+#define JUCE_MODULE_AVAILABLE_juce_gui_extra                1
+
+//==============================================================================
+#ifndef    JUCE_STANDALONE_APPLICATION
+ #if defined(JucePlugin_Name) && defined(JucePlugin_Build_Standalone)
+  #define  JUCE_STANDALONE_APPLICATION JucePlugin_Build_Standalone
+ #else
+  #define  JUCE_STANDALONE_APPLICATION 0
+ #endif
+#endif
+
+#define JUCE_GLOBAL_MODULE_SETTINGS_INCLUDED 1
+
+//==============================================================================
+// juce_audio_devices flags:
+
+#ifndef    JUCE_ASIO
+ //#define JUCE_ASIO
+#endif
+
+#ifndef    JUCE_WASAPI
+ //#define JUCE_WASAPI
+#endif
+
+#ifndef    JUCE_WASAPI_EXCLUSIVE
+ //#define JUCE_WASAPI_EXCLUSIVE
+#endif
+
+#ifndef    JUCE_DIRECTSOUND
+ //#define JUCE_DIRECTSOUND
+#endif
+
+#ifndef    JUCE_ALSA
+ //#define JUCE_ALSA
+#endif
+
+#ifndef    JUCE_JACK
+ //#define JUCE_JACK
+#endif
+
+#ifndef    JUCE_USE_ANDROID_OPENSLES
+ //#define JUCE_USE_ANDROID_OPENSLES
+#endif
+
+#ifndef    JUCE_USE_WINRT_MIDI
+ //#define JUCE_USE_WINRT_MIDI
+#endif
+
+//==============================================================================
+// juce_audio_formats flags:
+
+#ifndef    JUCE_USE_FLAC
+ //#define JUCE_USE_FLAC
+#endif
+
+#ifndef    JUCE_USE_OGGVORBIS
+ //#define JUCE_USE_OGGVORBIS
+#endif
+
+#ifndef    JUCE_USE_MP3AUDIOFORMAT
+ //#define JUCE_USE_MP3AUDIOFORMAT
+#endif
+
+#ifndef    JUCE_USE_LAME_AUDIO_FORMAT
+ //#define JUCE_USE_LAME_AUDIO_FORMAT
+#endif
+
+#ifndef    JUCE_USE_WINDOWS_MEDIA_FORMAT
+ //#define JUCE_USE_WINDOWS_MEDIA_FORMAT
+#endif
+
+//==============================================================================
+// juce_audio_plugin_client flags:
+
+#ifndef    JUCE_FORCE_USE_LEGACY_PARAM_IDS
+ //#define JUCE_FORCE_USE_LEGACY_PARAM_IDS
+#endif
+
+#ifndef    JUCE_USE_STUDIO_ONE_COMPATIBLE_PARAMETERS
+ //#define JUCE_USE_STUDIO_ONE_COMPATIBLE_PARAMETERS
+#endif
+
+//==============================================================================
+// juce_audio_processors flags:
+
+#ifndef    JUCE_PLUGINHOST_VST
+ //#define JUCE_PLUGINHOST_VST
+#endif
+
+#ifndef    JUCE_PLUGINHOST_VST3
+ //#define JUCE_PLUGINHOST_VST3
+#endif
+
+#ifndef    JUCE_PLUGINHOST_AU
+ //#define JUCE_PLUGINHOST_AU
+#endif
+
+//==============================================================================
+// juce_audio_utils flags:
+
+#ifndef    JUCE_USE_CDREADER
+ //#define JUCE_USE_CDREADER
+#endif
+
+#ifndef    JUCE_USE_CDBURNER
+ //#define JUCE_USE_CDBURNER
+#endif
+
+//==============================================================================
+// juce_core flags:
+
+#ifndef    JUCE_FORCE_DEBUG
+ //#define JUCE_FORCE_DEBUG
+#endif
+
+#ifndef    JUCE_LOG_ASSERTIONS
+ //#define JUCE_LOG_ASSERTIONS
+#endif
+
+#ifndef    JUCE_CHECK_MEMORY_LEAKS
+ //#define JUCE_CHECK_MEMORY_LEAKS
+#endif
+
+#ifndef    JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES
+ //#define JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES
+#endif
+
+#ifndef    JUCE_INCLUDE_ZLIB_CODE
+ //#define JUCE_INCLUDE_ZLIB_CODE
+#endif
+
+#ifndef    JUCE_USE_CURL
+ //#define JUCE_USE_CURL
+#endif
+
+#ifndef    JUCE_CATCH_UNHANDLED_EXCEPTIONS
+ //#define JUCE_CATCH_UNHANDLED_EXCEPTIONS
+#endif
+
+#ifndef    JUCE_ALLOW_STATIC_NULL_VARIABLES
+ //#define JUCE_ALLOW_STATIC_NULL_VARIABLES
+#endif
+
+//==============================================================================
+// juce_events flags:
+
+#ifndef    JUCE_EXECUTE_APP_SUSPEND_ON_IOS_BACKGROUND_TASK
+ //#define JUCE_EXECUTE_APP_SUSPEND_ON_IOS_BACKGROUND_TASK
+#endif
+
+//==============================================================================
+// juce_graphics flags:
+
+#ifndef    JUCE_USE_COREIMAGE_LOADER
+ //#define JUCE_USE_COREIMAGE_LOADER
+#endif
+
+#ifndef    JUCE_USE_DIRECTWRITE
+ //#define JUCE_USE_DIRECTWRITE
+#endif
+
+//==============================================================================
+// juce_gui_basics flags:
+
+#ifndef    JUCE_ENABLE_REPAINT_DEBUGGING
+ //#define JUCE_ENABLE_REPAINT_DEBUGGING
+#endif
+
+#ifndef    JUCE_USE_XSHM
+ //#define JUCE_USE_XSHM
+#endif
+
+#ifndef    JUCE_USE_XRENDER
+ //#define JUCE_USE_XRENDER
+#endif
+
+#ifndef    JUCE_USE_XCURSOR
+ //#define JUCE_USE_XCURSOR
+#endif
+
+//==============================================================================
+// juce_gui_extra flags:
+
+#ifndef    JUCE_WEB_BROWSER
+ //#define JUCE_WEB_BROWSER
+#endif
+
+#ifndef    JUCE_ENABLE_LIVE_CONSTANT_EDITOR
+ //#define JUCE_ENABLE_LIVE_CONSTANT_EDITOR
+#endif
+
+//==============================================================================
+// Audio plugin settings..
+
+#ifndef  JucePlugin_Build_VST
+ #define JucePlugin_Build_VST              0
+#endif
+#ifndef  JucePlugin_Build_VST3
+ #define JucePlugin_Build_VST3             0
+#endif
+#ifndef  JucePlugin_Build_AU
+ #define JucePlugin_Build_AU               0
+#endif
+#ifndef  JucePlugin_Build_AUv3
+ #define JucePlugin_Build_AUv3             0
+#endif
+#ifndef  JucePlugin_Build_RTAS
+ #define JucePlugin_Build_RTAS             0
+#endif
+#ifndef  JucePlugin_Build_AAX
+ #define JucePlugin_Build_AAX              0
+#endif
+#ifndef  JucePlugin_Build_STANDALONE
+ #define JucePlugin_Build_STANDALONE       1
+#endif
+#ifndef  JucePlugin_Enable_IAA
+ #define JucePlugin_Enable_IAA             1
+#endif
+#ifndef  JucePlugin_Name
+ #define JucePlugin_Name                   "InterAppAudioEffect"
+#endif
+#ifndef  JucePlugin_Desc
+ #define JucePlugin_Desc                   "InterAppAudioEffect"
+#endif
+#ifndef  JucePlugin_Manufacturer
+ #define JucePlugin_Manufacturer           "ROLI Ltd."
+#endif
+#ifndef  JucePlugin_ManufacturerWebsite
+ #define JucePlugin_ManufacturerWebsite    ""
+#endif
+#ifndef  JucePlugin_ManufacturerEmail
+ #define JucePlugin_ManufacturerEmail      ""
+#endif
+#ifndef  JucePlugin_ManufacturerCode
+ #define JucePlugin_ManufacturerCode       0x524f4c49 // 'ROLI'
+#endif
+#ifndef  JucePlugin_PluginCode
+ #define JucePlugin_PluginCode             0x49414145 // 'IAAE'
+#endif
+#ifndef  JucePlugin_IsSynth
+ #define JucePlugin_IsSynth                0
+#endif
+#ifndef  JucePlugin_WantsMidiInput
+ #define JucePlugin_WantsMidiInput         0
+#endif
+#ifndef  JucePlugin_ProducesMidiOutput
+ #define JucePlugin_ProducesMidiOutput     0
+#endif
+#ifndef  JucePlugin_IsMidiEffect
+ #define JucePlugin_IsMidiEffect           0
+#endif
+#ifndef  JucePlugin_EditorRequiresKeyboardFocus
+ #define JucePlugin_EditorRequiresKeyboardFocus  0
+#endif
+#ifndef  JucePlugin_Version
+ #define JucePlugin_Version                1.0.0
+#endif
+#ifndef  JucePlugin_VersionCode
+ #define JucePlugin_VersionCode            0x10000
+#endif
+#ifndef  JucePlugin_VersionString
+ #define JucePlugin_VersionString          "1.0.0"
+#endif
+#ifndef  JucePlugin_VSTUniqueID
+ #define JucePlugin_VSTUniqueID            JucePlugin_PluginCode
+#endif
+#ifndef  JucePlugin_VSTCategory
+ #define JucePlugin_VSTCategory            kPlugCategEffect
+#endif
+#ifndef  JucePlugin_AUMainType
+ #define JucePlugin_AUMainType             kAudioUnitType_Effect
+#endif
+#ifndef  JucePlugin_AUSubType
+ #define JucePlugin_AUSubType              JucePlugin_PluginCode
+#endif
+#ifndef  JucePlugin_AUExportPrefix
+ #define JucePlugin_AUExportPrefix         InterAppAudioEffectAU
+#endif
+#ifndef  JucePlugin_AUExportPrefixQuoted
+ #define JucePlugin_AUExportPrefixQuoted   "InterAppAudioEffectAU"
+#endif
+#ifndef  JucePlugin_AUManufacturerCode
+ #define JucePlugin_AUManufacturerCode     JucePlugin_ManufacturerCode
+#endif
+#ifndef  JucePlugin_CFBundleIdentifier
+ #define JucePlugin_CFBundleIdentifier     com.yourcompany.InterAppAudioEffect
+#endif
+#ifndef  JucePlugin_RTASCategory
+ #define JucePlugin_RTASCategory           ePlugInCategory_None
+#endif
+#ifndef  JucePlugin_RTASManufacturerCode
+ #define JucePlugin_RTASManufacturerCode   JucePlugin_ManufacturerCode
+#endif
+#ifndef  JucePlugin_RTASProductId
+ #define JucePlugin_RTASProductId          JucePlugin_PluginCode
+#endif
+#ifndef  JucePlugin_RTASDisableBypass
+ #define JucePlugin_RTASDisableBypass      0
+#endif
+#ifndef  JucePlugin_RTASDisableMultiMono
+ #define JucePlugin_RTASDisableMultiMono   0
+#endif
+#ifndef  JucePlugin_AAXIdentifier
+ #define JucePlugin_AAXIdentifier          com.yourcompany.InterAppAudioEffect
+#endif
+#ifndef  JucePlugin_AAXManufacturerCode
+ #define JucePlugin_AAXManufacturerCode    JucePlugin_ManufacturerCode
+#endif
+#ifndef  JucePlugin_AAXProductId
+ #define JucePlugin_AAXProductId           JucePlugin_PluginCode
+#endif
+#ifndef  JucePlugin_AAXCategory
+ #define JucePlugin_AAXCategory            AAX_ePlugInCategory_Dynamics
+#endif
+#ifndef  JucePlugin_AAXDisableBypass
+ #define JucePlugin_AAXDisableBypass       0
+#endif
+#ifndef  JucePlugin_AAXDisableMultiMono
+ #define JucePlugin_AAXDisableMultiMono    0
+#endif
+#ifndef  JucePlugin_IAAType
+ #define JucePlugin_IAAType                0x61757278 // 'aurx'
+#endif
+#ifndef  JucePlugin_IAASubType
+ #define JucePlugin_IAASubType             JucePlugin_PluginCode
+#endif
+#ifndef  JucePlugin_IAAName
+ #define JucePlugin_IAAName                "ROLI Ltd.: InterAppAudioEffect"
+#endif

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/JuceHeader.h

@@ -0,0 +1,44 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+    This is the header file that your files should include in order to get all the
+    JUCE library headers. You should avoid including the JUCE headers directly in
+    your own source files, because that wouldn't pick up the correct configuration
+    options for your app.
+
+*/
+
+#pragma once
+
+#include "AppConfig.h"
+
+#include <juce_audio_basics/juce_audio_basics.h>
+#include <juce_audio_devices/juce_audio_devices.h>
+#include <juce_audio_formats/juce_audio_formats.h>
+#include <juce_audio_plugin_client/juce_audio_plugin_client.h>
+#include <juce_audio_processors/juce_audio_processors.h>
+#include <juce_audio_utils/juce_audio_utils.h>
+#include <juce_core/juce_core.h>
+#include <juce_data_structures/juce_data_structures.h>
+#include <juce_events/juce_events.h>
+#include <juce_graphics/juce_graphics.h>
+#include <juce_gui_basics/juce_gui_basics.h>
+#include <juce_gui_extra/juce_gui_extra.h>
+
+
+#if ! DONT_SET_USING_JUCE_NAMESPACE
+ // If your code uses a lot of JUCE classes, then this will obviously save you
+ // a lot of typing, but can be disabled by setting DONT_SET_USING_JUCE_NAMESPACE.
+ using namespace juce;
+#endif
+
+#if ! JUCE_DONT_DECLARE_PROJECTINFO
+namespace ProjectInfo
+{
+    const char* const  projectName    = "InterAppAudioEffect";
+    const char* const  versionString  = "1.0.0";
+    const int          versionNumber  = 0x10000;
+}
+#endif

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/ReadMe.txt

@@ -0,0 +1,12 @@
+
+ Important Note!!
+ ================
+
+The purpose of this folder is to contain files that are auto-generated by the Projucer,
+and ALL files in this folder will be mercilessly DELETED and completely re-written whenever
+the Projucer saves your project.
+
+Therefore, it's a bad idea to make any manual changes to the files in here, or to
+put any of your own files in here if you don't want to lose them. (Of course you may choose
+to add the folder's contents to your version-control system so that you can re-merge your own
+modifications after the Projucer has saved its changes).

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_basics.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_basics/juce_audio_basics.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_basics.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_basics/juce_audio_basics.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_devices.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_devices/juce_audio_devices.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_devices.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_devices/juce_audio_devices.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_formats.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_formats/juce_audio_formats.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_formats.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_formats/juce_audio_formats.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_AAX.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_AAX.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_AAX.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_AAX.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_AU_1.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_AU_1.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_AU_2.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_AU_2.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_AUv3.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_AUv3.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_RTAS_1.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_RTAS_1.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_RTAS_2.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_RTAS_2.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_RTAS_3.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_RTAS_3.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_RTAS_4.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_RTAS_4.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_RTAS_utils.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_RTAS_utils.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_RTAS_utils.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_RTAS_utils.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_Standalone.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_Standalone.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_VST2.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_VST2.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_VST3.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_VST3.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_VST_utils.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_VST_utils.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_plugin_client_utils.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_plugin_client/juce_audio_plugin_client_utils.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_processors.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_processors/juce_audio_processors.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_processors.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_processors/juce_audio_processors.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_utils.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_utils/juce_audio_utils.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_audio_utils.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_audio_utils/juce_audio_utils.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_core.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_core/juce_core.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_core.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_core/juce_core.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_data_structures.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_data_structures/juce_data_structures.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_data_structures.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_data_structures/juce_data_structures.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_events.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_events/juce_events.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_events.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_events/juce_events.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_graphics.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_graphics/juce_graphics.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_graphics.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_graphics/juce_graphics.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_gui_basics.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_gui_basics/juce_gui_basics.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_gui_basics.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_gui_basics/juce_gui_basics.mm>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_gui_extra.cpp

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_gui_extra/juce_gui_extra.cpp>

examples/PlugInSamples/InterAppAudioEffect/JuceLibraryCode/juce_gui_extra.mm

@@ -0,0 +1,9 @@
+/*
+
+    IMPORTANT! This file is auto-generated each time you save your
+    project - if you alter its contents, your changes may be overwritten!
+
+*/
+
+#include "AppConfig.h"
+#include <juce_gui_extra/juce_gui_extra.mm>

examples/PlugInSamples/InterAppAudioEffect/Source/IAAEffectEditor.h

@@ -0,0 +1,277 @@
+#ifndef IAAEFFECTEDITOR_H_INCLUDED
+#define IAAEFFECTEDITOR_H_INCLUDED
+
+#include "../JuceLibraryCode/JuceHeader.h"
+#include "IAAEffectProcessor.h"
+#include "SimpleMeter.h"
+
+
+class IAAEffectEditor  : public AudioProcessorEditor,
+                         private IAAEffectProcessor::MeterListener,
+                         private ButtonListener,
+                         private Timer
+{
+public:
+    IAAEffectEditor (IAAEffectProcessor& p,
+                     AudioProcessorValueTreeState& vts)
+        : AudioProcessorEditor (p),
+          processor (p),
+          parameters (vts)
+    {
+        // Register for meter value updates.
+        processor.addMeterListener (*this);
+
+        gainSlider.setSliderStyle (Slider::SliderStyle::LinearVertical);
+        gainSlider.setTextBoxStyle (Slider::TextEntryBoxPosition::TextBoxAbove, false, 60, 20);
+        addAndMakeVisible (gainSlider);
+
+        for (auto& meter : meters)
+            addAndMakeVisible (meter);
+
+        // Configure all the graphics for the transport control.
+
+        transportText.setColour (Label::textColourId, Colours::white);
+        transportText.setFont (Font (Font::getDefaultMonospacedFontName(), 18.0f, Font::plain));
+        transportText.setJustificationType (Justification::topLeft);
+        addChildComponent (transportText);
+
+        Path rewindShape;
+        rewindShape.addRectangle (0.0, 0.0, 5.0, buttonSize);
+        rewindShape.addTriangle (0.0, buttonSize / 2, buttonSize, 0.0, buttonSize, buttonSize);
+        rewindButton.setShape (rewindShape, true, true, false);
+        rewindButton.addListener (this);
+        addChildComponent (rewindButton);
+
+        Path playShape;
+        playShape.addTriangle (0.0, 0.0, 0.0, buttonSize, buttonSize, buttonSize / 2);
+        playButton.setShape (playShape, true, true, false);
+        playButton.addListener (this);
+        addChildComponent (playButton);
+
+        Path recordShape;
+        recordShape.addEllipse (0.0, 0.0, buttonSize, buttonSize);
+        recordButton.setShape (recordShape, true, true, false);
+        recordButton.addListener (this);
+        addChildComponent (recordButton);
+
+        // Configure the switch to host button.
+
+        switchToHostButtonLabel.setColour (Label::textColourId, Colours::white);
+        switchToHostButtonLabel.setFont (Font (Font::getDefaultMonospacedFontName(), 18.0f, Font::plain));
+        switchToHostButtonLabel.setJustificationType (Justification::centredRight);
+        switchToHostButtonLabel.setText ("Switch to\nhost app:", dontSendNotification);
+        addChildComponent (switchToHostButtonLabel);
+
+        switchToHostButton.addListener (this);
+        addChildComponent (switchToHostButton);
+
+        Rectangle<int> screenSize = Desktop::getInstance().getDisplays().getMainDisplay().userArea;
+        setSize (screenSize.getWidth(), screenSize.getHeight());
+
+        resized();
+
+        startTimerHz (60);
+    }
+
+    //==============================================================================
+    void paint (Graphics& g) override
+    {
+        g.fillAll (Colours::darkgrey);
+    }
+
+    void resized() override
+    {
+        auto area = getBounds().reduced (10);
+
+        gainSlider.setBounds (area.removeFromLeft (60));
+
+        for (auto& meter : meters)
+        {
+            area.removeFromLeft (10);
+            meter.setBounds (area.removeFromLeft (20));
+        }
+
+        area.removeFromLeft (20);
+        transportText.setBounds (area.removeFromTop (120));
+
+        auto navigationArea = area.removeFromTop (buttonSize);
+        rewindButton.setTopLeftPosition (navigationArea.getPosition());
+        navigationArea.removeFromLeft (buttonSize + 10);
+        playButton.setTopLeftPosition (navigationArea.getPosition());
+        navigationArea.removeFromLeft (buttonSize + 10);
+        recordButton.setTopLeftPosition (navigationArea.getPosition());
+
+        area.removeFromTop (30);
+
+        auto appSwitchArea = area.removeFromTop (buttonSize);
+        switchToHostButtonLabel.setBounds (appSwitchArea.removeFromLeft (100));
+        appSwitchArea.removeFromLeft (5);
+        switchToHostButton.setBounds (appSwitchArea.removeFromLeft (buttonSize));
+    }
+
+private:
+    //==============================================================================
+    // Called from the audio thread.
+    void handleNewMeterValue (int channel, float value) override
+    {
+        meters[(size_t) channel].update (value);
+    }
+
+    //==============================================================================
+    void timerCallback () override
+    {
+        auto timeInfoSuccess = processor.updateCurrentTimeInfoFromHost (lastPosInfo);
+        transportText.setVisible (timeInfoSuccess);
+        if (timeInfoSuccess)
+            updateTransportTextDisplay();
+
+        updateTransportButtonsDisplay();
+
+        updateSwitchToHostDisplay();
+    }
+
+    //==============================================================================
+    void buttonClicked (Button* b) override
+    {
+        auto playHead = processor.getPlayHead();
+        if (playHead != nullptr && playHead->canControlTransport())
+        {
+            if (b == &rewindButton)
+            {
+                playHead->transportRewind();
+            }
+            else if (b == &playButton)
+            {
+                playHead->transportPlay(! lastPosInfo.isPlaying);
+            }
+            else if (b == &recordButton)
+            {
+                playHead->transportRecord (! lastPosInfo.isRecording);
+            }
+            else if (b == &switchToHostButton)
+            {
+                PluginHostType hostType;
+
+                hostType.switchToHostApplication();
+            }
+        }
+    }
+
+    //==============================================================================
+    // quick-and-dirty function to format a timecode string
+    String timeToTimecodeString (double seconds)
+    {
+        auto millisecs = roundToInt (seconds * 1000.0);
+        auto absMillisecs = std::abs (millisecs);
+
+        return String::formatted ("%02d:%02d:%02d.%03d",
+                                  millisecs / 360000,
+                                  (absMillisecs / 60000) % 60,
+                                  (absMillisecs / 1000) % 60,
+                                  absMillisecs % 1000);
+    }
+
+    // A quick-and-dirty function to format a bars/beats string.
+    String quarterNotePositionToBarsBeatsString (double quarterNotes, int numerator, int denominator)
+    {
+        if (numerator == 0 || denominator == 0)
+            return "1|1|000";
+
+        auto quarterNotesPerBar = (numerator * 4 / denominator);
+        auto beats  = (fmod (quarterNotes, quarterNotesPerBar) / quarterNotesPerBar) * numerator;
+
+        auto bar    = ((int) quarterNotes) / quarterNotesPerBar + 1;
+        auto beat   = ((int) beats) + 1;
+        auto ticks  = ((int) (fmod (beats, 1.0) * 960.0 + 0.5));
+
+        return String::formatted ("%d|%d|%03d", bar, beat, ticks);
+    }
+
+    void updateTransportTextDisplay()
+    {
+        MemoryOutputStream displayText;
+
+        displayText << "[" << SystemStats::getJUCEVersion() << "]\n"
+        << String (lastPosInfo.bpm, 2) << " bpm\n"
+        << lastPosInfo.timeSigNumerator << '/' << lastPosInfo.timeSigDenominator << "\n"
+        << timeToTimecodeString (lastPosInfo.timeInSeconds) << "\n"
+        << quarterNotePositionToBarsBeatsString (lastPosInfo.ppqPosition,
+                                                 lastPosInfo.timeSigNumerator,
+                                                 lastPosInfo.timeSigDenominator) << "\n";
+
+        if (lastPosInfo.isRecording)
+            displayText << "(recording)";
+        else if (lastPosInfo.isPlaying)
+            displayText << "(playing)";
+
+        transportText.setText (displayText.toString(), dontSendNotification);
+    }
+
+    void updateTransportButtonsDisplay()
+    {
+        auto visible = processor.getPlayHead() != nullptr
+                    && processor.getPlayHead()->canControlTransport();
+
+        if (rewindButton.isVisible() != visible)
+        {
+            rewindButton.setVisible (visible);
+            playButton.setVisible   (visible);
+            recordButton.setVisible (visible);
+        }
+
+        if (visible)
+        {
+            Colour playColour = lastPosInfo.isPlaying ? Colours::green : defaultButtonColour;
+            playButton.setColours (playColour, playColour, playColour);
+            playButton.repaint();
+
+            Colour recordColour = lastPosInfo.isRecording ? Colours::red : defaultButtonColour;
+            recordButton.setColours (recordColour, recordColour, recordColour);
+            recordButton.repaint();
+        }
+    }
+
+    void updateSwitchToHostDisplay()
+    {
+        PluginHostType hostType;
+        const bool visible = hostType.isInterAppAudioConnected();
+
+        if (switchToHostButtonLabel.isVisible() != visible)
+        {
+            switchToHostButtonLabel.setVisible (visible);
+            switchToHostButton.setVisible (visible);
+            if (visible) {
+                auto icon = hostType.getHostIcon (buttonSize);
+                switchToHostButton.setImages(false, true, true,
+                                             icon, 1.0, Colours::transparentBlack,
+                                             icon, 1.0, Colours::transparentBlack,
+                                             icon, 1.0, Colours::transparentBlack);
+            }
+        }
+    }
+
+    IAAEffectProcessor& processor;
+    AudioProcessorValueTreeState& parameters;
+
+    const int buttonSize = 30;
+    const Colour defaultButtonColour = Colours::lightgrey;
+    ShapeButton rewindButton {"Rewind", defaultButtonColour, defaultButtonColour, defaultButtonColour};
+    ShapeButton playButton   {"Play",   defaultButtonColour, defaultButtonColour, defaultButtonColour};
+    ShapeButton recordButton {"Record", defaultButtonColour, defaultButtonColour, defaultButtonColour};
+
+    Slider gainSlider;
+    AudioProcessorValueTreeState::SliderAttachment gainAttachment = {parameters, "gain", gainSlider};
+
+    std::array<SimpleMeter, 2> meters;
+
+    ImageButton switchToHostButton;
+    Label transportText, switchToHostButtonLabel;
+    Image hostImage;
+
+    AudioPlayHead::CurrentPositionInfo lastPosInfo;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (IAAEffectEditor)
+};
+
+
+#endif  // IAAEFFECTEDITOR_H_INCLUDED

examples/PlugInSamples/InterAppAudioEffect/Source/IAAEffectProcessor.cpp

@@ -0,0 +1,169 @@
+#include "IAAEffectProcessor.h"
+#include "IAAEffectEditor.h"
+
+
+IAAEffectProcessor::IAAEffectProcessor()
+     : AudioProcessor (BusesProperties()
+                       .withInput  ("Input",  AudioChannelSet::stereo(), true)
+                       .withOutput ("Output", AudioChannelSet::stereo(), true)),
+       parameters (*this, nullptr)
+{
+    parameters.createAndAddParameter ("gain",
+                                      "Gain",
+                                      String(),
+                                      NormalisableRange<float> (0.0f, 1.0f),
+                                      (float) (1.0 / 3.14),
+                                      nullptr,
+                                      nullptr);
+
+    parameters.state = ValueTree (Identifier ("InterAppAudioEffect"));
+}
+
+IAAEffectProcessor::~IAAEffectProcessor()
+{
+}
+
+//==============================================================================
+const String IAAEffectProcessor::getName() const
+{
+    return JucePlugin_Name;
+}
+
+bool IAAEffectProcessor::acceptsMidi() const
+{
+    return false;
+}
+
+bool IAAEffectProcessor::producesMidi() const
+{
+    return false;
+}
+
+double IAAEffectProcessor::getTailLengthSeconds() const
+{
+    return 0.0;
+}
+
+int IAAEffectProcessor::getNumPrograms()
+{
+    return 1;
+}
+
+int IAAEffectProcessor::getCurrentProgram()
+{
+    return 0;
+}
+
+void IAAEffectProcessor::setCurrentProgram (int)
+{
+}
+
+const String IAAEffectProcessor::getProgramName (int)
+{
+    return String();
+}
+
+void IAAEffectProcessor::changeProgramName (int, const String&)
+{
+}
+
+//==============================================================================
+void IAAEffectProcessor::prepareToPlay (double, int)
+{
+    previousGain = *parameters.getRawParameterValue ("gain");
+}
+
+void IAAEffectProcessor::releaseResources()
+{
+}
+
+bool IAAEffectProcessor::isBusesLayoutSupported (const BusesLayout& layouts) const
+{
+    if (layouts.getMainInputChannelSet() != AudioChannelSet::stereo())
+        return false;
+
+    if (layouts.getMainOutputChannelSet() != layouts.getMainInputChannelSet())
+        return false;
+
+    return true;
+}
+
+void IAAEffectProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuffer&)
+{
+    const float gain = *parameters.getRawParameterValue ("gain");
+
+    const int totalNumInputChannels  = getTotalNumInputChannels();
+    const int totalNumOutputChannels = getTotalNumOutputChannels();
+
+    const int numSamples = buffer.getNumSamples();
+
+    for (int i = totalNumInputChannels; i < totalNumOutputChannels; ++i)
+        buffer.clear (i, 0, buffer.getNumSamples());
+
+    // Apply the gain to the samples using a ramp to avoid discontinuities in
+    // the audio between processed buffers.
+    for (int channel = 0; channel < totalNumInputChannels; ++channel)
+    {
+        buffer.applyGainRamp (channel, 0, numSamples, previousGain, gain);
+
+        meterListeners.call (&IAAEffectProcessor::MeterListener::handleNewMeterValue,
+                             channel,
+                             buffer.getMagnitude (channel, 0, numSamples));
+    }
+
+    previousGain = gain;
+
+    // Now ask the host for the current time so we can store it to be displayed later.
+    updateCurrentTimeInfoFromHost (lastPosInfo);
+}
+
+//==============================================================================
+bool IAAEffectProcessor::hasEditor() const
+{
+    return true;
+}
+
+AudioProcessorEditor* IAAEffectProcessor::createEditor()
+{
+    return new IAAEffectEditor (*this, parameters);
+}
+
+//==============================================================================
+void IAAEffectProcessor::getStateInformation (MemoryBlock& destData)
+{
+    auto xml = std::unique_ptr<XmlElement> (parameters.state.createXml());
+    copyXmlToBinary (*xml, destData);
+}
+
+void IAAEffectProcessor::setStateInformation (const void* data, int sizeInBytes)
+{
+    auto xmlState = std::unique_ptr<XmlElement> (getXmlFromBinary (data, sizeInBytes));
+    if (xmlState.get() != nullptr)
+        if (xmlState->hasTagName (parameters.state.getType()))
+            parameters.state = ValueTree::fromXml (*xmlState);
+}
+
+bool IAAEffectProcessor::updateCurrentTimeInfoFromHost (AudioPlayHead::CurrentPositionInfo &posInfo)
+{
+    if (AudioPlayHead* ph = getPlayHead())
+    {
+        AudioPlayHead::CurrentPositionInfo newTime;
+
+        if (ph->getCurrentPosition (newTime))
+        {
+            posInfo = newTime;  // Successfully got the current time from the host.
+            return true;
+        }
+    }
+
+    // If the host fails to provide the current time, we'll just reset our copy to a default.
+    lastPosInfo.resetToDefault();
+
+    return false;
+}
+
+//==============================================================================
+AudioProcessor* JUCE_CALLTYPE createPluginFilter()
+{
+    return new IAAEffectProcessor();
+}

examples/PlugInSamples/InterAppAudioEffect/Source/IAAEffectProcessor.h

@@ -0,0 +1,78 @@
+#ifndef PLUGINPROCESSOR_H_INCLUDED
+#define PLUGINPROCESSOR_H_INCLUDED
+
+#include "../JuceLibraryCode/JuceHeader.h"
+
+#include <array>
+
+
+// A simple Inter-App Audio plug-in with a gain control and some meters.
+class IAAEffectProcessor  : public AudioProcessor
+{
+public:
+    IAAEffectProcessor();
+    ~IAAEffectProcessor();
+
+    //==============================================================================
+    void prepareToPlay (double sampleRate, int samplesPerBlock) override;
+    void releaseResources() override;
+
+    bool isBusesLayoutSupported (const BusesLayout& layouts) const override;
+
+    void processBlock (AudioSampleBuffer&, MidiBuffer&) override;
+
+    //==============================================================================
+    AudioProcessorEditor* createEditor() override;
+    bool hasEditor() const override;
+
+    //==============================================================================
+    const String getName() const override;
+
+    bool acceptsMidi() const override;
+    bool producesMidi() const override;
+    double getTailLengthSeconds() const override;
+
+    //==============================================================================
+    int getNumPrograms() override;
+    int getCurrentProgram() override;
+    void setCurrentProgram (int index) override;
+    const String getProgramName (int index) override;
+    void changeProgramName (int index, const String& newName) override;
+
+    //==============================================================================
+    void getStateInformation (MemoryBlock& destData) override;
+    void setStateInformation (const void* data, int sizeInBytes) override;
+
+    //==============================================================================
+    bool updateCurrentTimeInfoFromHost (AudioPlayHead::CurrentPositionInfo&);
+
+    // Allow an IAAAudioProcessorEditor to register as a listener to receive new
+    // meter values directly from the audio thread.
+    struct MeterListener
+    {
+        virtual ~MeterListener() {};
+
+        virtual void handleNewMeterValue (int, float) = 0;
+    };
+
+    void addMeterListener    (MeterListener& listener) { meterListeners.add    (&listener); };
+    void removeMeterListener (MeterListener& listener) { meterListeners.remove (&listener); };
+
+
+private:
+    //==============================================================================
+    AudioProcessorValueTreeState parameters;
+    float previousGain = 0.0;
+    std::array <float, 2> meterValues = { { 0, 0 } };
+
+    // This keeps a copy of the last set of timing info that was acquired during an
+    // audio callback - the UI component will display this.
+    AudioPlayHead::CurrentPositionInfo lastPosInfo;
+
+    ListenerList<MeterListener> meterListeners;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (IAAEffectProcessor)
+};
+
+
+#endif  // PLUGINPROCESSOR_H_INCLUDED

examples/PlugInSamples/InterAppAudioEffect/Source/SimpleMeter.h

@@ -0,0 +1,97 @@
+#ifndef SIMPLEMETER_H_INCLUDED
+#define SIMPLEMETER_H_INCLUDED
+
+#include "../JuceLibraryCode/JuceHeader.h"
+
+// A very simple decaying meter.
+class SimpleMeter  : public Component,
+                     private Timer
+{
+public:
+    SimpleMeter()
+    {
+        startTimerHz (30);
+    }
+
+    //==============================================================================
+    void paint (Graphics& g) override
+    {
+        g.fillAll(Colours::transparentBlack);
+
+        auto area = g.getClipBounds();
+        g.setColour (Colours::skyblue);
+        g.fillRoundedRectangle(area.toFloat(), 6.0);
+
+        auto unfilledHeight = area.getHeight() * (1.0 - level);
+        g.reduceClipRegion (area.getX(), area.getY(),
+                            area.getWidth(), (int) unfilledHeight);
+        g.setColour (Colours::grey);
+        g.fillRoundedRectangle(area.toFloat(), 6.0);
+    }
+
+    void resized() override {}
+
+    //==============================================================================
+    // Called from the audio thread.
+    void update (float newLevel)
+    {
+        // We don't care if maxLevel gets set to zero (in timerCallback) between the
+        // load and the assignment.
+        maxLevel = jmax (maxLevel.load(), newLevel);
+    }
+
+private:
+    //==============================================================================
+    void timerCallback() override
+    {
+        auto callbackLevel = maxLevel.exchange (0.0);
+
+        auto decayFactor = 0.95;
+        if (callbackLevel > level)
+            level = callbackLevel;
+        else if (level > 0.001)
+            level *= decayFactor;
+        else
+            level = 0;
+
+        repaint();
+    }
+
+    std::atomic<float> maxLevel {0.0};
+    float level = 0;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SimpleMeter)
+};
+
+#if JUCE_PROJUCER_LIVE_BUILD
+
+// Animate the meter in the Projucer live build.
+struct MockSimpleMeter  : public Component,
+                          private Timer
+{
+    MockSimpleMeter()
+    {
+        addAndMakeVisible (meter);
+        resized();
+        startTimerHz (100);
+    }
+
+    void paint (Graphics&) override {}
+
+    void resized() override
+    {
+        meter.setBounds (getBounds());
+    }
+
+    void timerCallback() override
+    {
+        meter.update (std::pow (randomNumberGenerator.nextFloat(), 2));
+    }
+
+    SimpleMeter meter;
+    Random randomNumberGenerator;
+};
+
+#endif
+
+#endif  // SIMPLEMETER_H_INCLUDED

extras/Projucer/Source/Project Saving/jucer_ProjectExport_XCode.h

@@ -732,10 +732,14 @@ public:
                 attributes << "DevelopmentTeam = " << developmentTeamID << "; ";
 
             const int inAppPurchasesEnabled = (owner.iOS && owner.isInAppPurchasesEnabled()) ? 1 : 0;
+            const int interAppAudioEnabled  = (owner.iOS
+                                               && type == Target::StandalonePlugIn
+                                               && owner.getProject().shouldEnableIAA()) ? 1 : 0;
             const int sandboxEnabled = (type == Target::AudioUnitv3PlugIn ? 1 : 0);
 
             attributes << "SystemCapabilities = {";
             attributes << "com.apple.InAppPurchase = { enabled = " << inAppPurchasesEnabled << "; }; ";
+            attributes << "com.apple.InterAppAudio = { enabled = " << interAppAudioEnabled << "; }; ";
             attributes << "com.apple.Sandbox = { enabled = " << sandboxEnabled << "; }; ";
             attributes << "}; };";
 
@@ -953,8 +957,10 @@ public:
                 s.add ("SEPARATE_STRIP = YES");
             }
 
-            if (owner.project.getProjectType().isAudioPlugin() && type == Target::AudioUnitv3PlugIn &&  owner.isOSX())
-                s.add (String ("CODE_SIGN_ENTITLEMENTS = \"") + owner.getEntitlementsFileName() + String ("\""));
+            if (owner.project.getProjectType().isAudioPlugin())
+                if ((owner.isOSX() && type == Target::AudioUnitv3PlugIn)
+                    || (owner.isiOS() && type == Target::StandalonePlugIn))
+                    s.add (String ("CODE_SIGN_ENTITLEMENTS = \"") + owner.getEntitlementsFileName() + String ("\""));
 
             defines = mergePreprocessorDefs (defines, owner.getAllPreprocessorDefs (config, type));
 
@@ -1112,14 +1118,36 @@ public:
             if (owner.settings ["UIStatusBarHidden"] && type != AudioUnitv3PlugIn)
                 addPlistDictionaryKeyBool (dict, "UIStatusBarHidden", true);
 
-            if (owner.iOS && type != AudioUnitv3PlugIn)
+            if (owner.iOS)
             {
-                // Forcing full screen disables the split screen feature and prevents error ITMS-90475
-                addPlistDictionaryKeyBool (dict, "UIRequiresFullScreen", true);
-                addPlistDictionaryKeyBool (dict, "UIStatusBarHidden", true);
+                if (type != AudioUnitv3PlugIn)
+                {
+                    // Forcing full screen disables the split screen feature and prevents error ITMS-90475
+                    addPlistDictionaryKeyBool (dict, "UIRequiresFullScreen", true);
+                    addPlistDictionaryKeyBool (dict, "UIStatusBarHidden", true);
 
-                addIosScreenOrientations (dict);
-                addIosBackgroundModes (dict);
+                    addIosScreenOrientations (dict);
+                    addIosBackgroundModes (dict);
+                }
+
+                if (type == StandalonePlugIn && owner.getProject().shouldEnableIAA())
+                {
+                    XmlElement audioComponentsPlistKey ("key");
+                    audioComponentsPlistKey.addTextElement ("AudioComponents");
+
+                    dict->addChildElement (new XmlElement (audioComponentsPlistKey));
+
+                    XmlElement audioComponentsPlistEntry ("array");
+                    XmlElement* audioComponentsDict = audioComponentsPlistEntry.createNewChildElement ("dict");
+
+                    addPlistDictionaryKey    (audioComponentsDict, "name",         owner.project.getIAAPluginName());
+                    addPlistDictionaryKey    (audioComponentsDict, "manufacturer", owner.project.getPluginManufacturerCode().toString().trim().substring (0, 4));
+                    addPlistDictionaryKey    (audioComponentsDict, "type",         owner.project.getIAATypeCode());
+                    addPlistDictionaryKey    (audioComponentsDict, "subtype",      owner.project.getPluginCode().toString().trim().substring (0, 4));
+                    addPlistDictionaryKeyInt (audioComponentsDict, "version",      owner.project.getVersionAsHexInteger());
+
+                    dict->addChildElement (new XmlElement (audioComponentsPlistEntry));
+                }
             }
 
             for (auto& e : xcodeExtraPListEntries)
@@ -1500,8 +1528,9 @@ private:
 
     void addFilesAndGroupsToProject (StringArray& topLevelGroupIDs) const
     {
-        if (! isiOS() && project.getProjectType().isAudioPlugin())
-            topLevelGroupIDs.add (addEntitlementsFile());
+        StringArray entitlements = getEntitlements();
+        if (! entitlements.isEmpty())
+            topLevelGroupIDs.add (addEntitlementsFile (entitlements));
 
         for (auto& group : getAllGroups())
             if (group.getNumChildren() > 0)
@@ -2188,20 +2217,41 @@ private:
         return project.getProjectFilenameRoot() + String (".entitlements");
     }
 
-    String addEntitlementsFile() const
+    StringArray getEntitlements() const
     {
-        const char* sandboxEntitlement =
-            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
-            "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">"
-            "<plist version=\"1.0\">"
-            "<dict>"
-            " <key>com.apple.security.app-sandbox</key>"
-            "  <true/>"
-            "</dict>"
-            "</plist>";
+        StringArray keys;
+        if (project.getProjectType().isAudioPlugin())
+        {
+            if (isiOS())
+            {
+                if (project.shouldEnableIAA())
+                    keys.add ("inter-app-audio");
+            }
+            else
+            {
+                keys.add ("com.apple.security.app-sandbox");
+            }
+        }
+        return keys;
+    }
+
+    String addEntitlementsFile (StringArray keys) const
+    {
+        String content =
+            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+            "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
+            "<plist version=\"1.0\">\n"
+            "<dict>\n";
+        for (auto& key : keys)
+        {
+            content += "\t<key>" + key + "</key>\n"
+                       "\t<true/>\n";
+        }
+        content += "</dict>\n"
+                   "</plist>\n";
 
         File entitlementsFile = getTargetFolder().getChildFile (getEntitlementsFileName());
-        overwriteFileIfDifferentOrThrow (entitlementsFile, sandboxEntitlement);
+        overwriteFileIfDifferentOrThrow (entitlementsFile, content);
 
         RelativePath plistPath (entitlementsFile, getTargetFolder(), RelativePath::buildTargetFolder);
         return addFile (plistPath, false, false, false, false, nullptr);

extras/Projucer/Source/Project Saving/jucer_ProjectSaver.cpp

@@ -80,6 +80,7 @@ void ProjectSaver::writePluginCharacteristicsFile()
     flags.set ("JucePlugin_Build_RTAS",                  valueToBool (project.getShouldBuildRTASAsValue()));
     flags.set ("JucePlugin_Build_AAX",                   valueToBool (project.getShouldBuildAAXAsValue()));
     flags.set ("JucePlugin_Build_STANDALONE",            valueToBool (project.getShouldBuildStandalonePluginAsValue()));
+    flags.set ("JucePlugin_Enable_IAA",                  valueToBool (project.getShouldEnableIAAAsValue()));
     flags.set ("JucePlugin_Name",                        valueToStringLiteral (project.getPluginName()));
     flags.set ("JucePlugin_Desc",                        valueToStringLiteral (project.getPluginDesc()));
     flags.set ("JucePlugin_Manufacturer",                valueToStringLiteral (project.getPluginManufacturer()));
@@ -114,6 +115,9 @@ void ProjectSaver::writePluginCharacteristicsFile()
     flags.set ("JucePlugin_AAXCategory",                 project.getPluginAAXCategory().toString());
     flags.set ("JucePlugin_AAXDisableBypass",            valueToBool (project.getPluginAAXBypassDisabled()));
     flags.set ("JucePlugin_AAXDisableMultiMono",         valueToBool (project.getPluginAAXMultiMonoDisabled()));
+    flags.set ("JucePlugin_IAAType",                     valueToCharLiteral (project.getIAATypeCode()));
+    flags.set ("JucePlugin_IAASubType",                  "JucePlugin_PluginCode");
+    flags.set ("JucePlugin_IAAName",                     project.getIAAPluginName().quoted());
 
     {
         String plugInChannelConfig = project.getPluginChannelConfigs().toString();

extras/Projucer/Source/Project/jucer_Project.cpp

@@ -153,6 +153,7 @@ void Project::setMissingAudioPluginDefaultValues()
     setValueIfVoid (getShouldBuildRTASAsValue(),                  false);
     setValueIfVoid (getShouldBuildAAXAsValue(),                   false);
     setValueIfVoid (getShouldBuildStandalonePluginAsValue(),      false);
+    setValueIfVoid (getShouldEnableIAAAsValue(),                  false);
 
     setValueIfVoid (getPluginName(),                    getTitle());
     setValueIfVoid (getPluginDesc(),                    getTitle());
@@ -629,6 +630,9 @@ void Project::createAudioPluginPropertyEditors (PropertyListBuilder& props)
                "Whether the project should produce an AAX plugin.");
     props.add (new BooleanPropertyComponent (getShouldBuildStandalonePluginAsValue(), "Build Standalone Plug-In", "Enabled"),
                "Whether the project should produce a standalone version of your plugin.");
+    props.add (new BooleanPropertyComponent (getShouldEnableIAAAsValue(), "Enable Inter-App Audio", "Enabled"),
+               "Whether a standalone plug-in should be an Inter-App Audio app. You should also enable the audio "
+               "background capability in the iOS exporter.");
 
     props.add (new TextPropertyComponent (getPluginName(), "Plugin Name", 128, false),
                "The name of your plugin (keep it short!)");
@@ -1258,6 +1262,34 @@ String Project::getAUMainTypeCode()
     return s;
 }
 
+String Project::getIAATypeCode()
+{
+    String s;
+    if (getPluginWantsMidiInput().getValue())
+    {
+        if (getPluginIsSynth().getValue())
+            s = "auri";
+        else
+            s = "aurm";
+    }
+    else
+    {
+        if (getPluginIsSynth().getValue())
+            s = "aurg";
+        else
+            s = "aurx";
+    }
+    return s;
+}
+
+String Project::getIAAPluginName()
+{
+    String s = getPluginManufacturer().toString();
+    s << ": ";
+    s << getPluginName().toString();
+    return s;
+}
+
 String Project::getPluginVSTCategoryString()
 {
     String s (getPluginVSTCategory().toString().trim());

extras/Projucer/Source/Project/jucer_Project.h

@@ -130,6 +130,7 @@ public:
     Value getShouldBuildRTASAsValue()                     { return getProjectValue ("buildRTAS"); }
     Value getShouldBuildAAXAsValue()                      { return getProjectValue ("buildAAX"); }
     Value getShouldBuildStandalonePluginAsValue()         { return getProjectValue ("buildStandalone");}
+    Value getShouldEnableIAAAsValue()                     { return getProjectValue ("enableIAA"); }
 
     bool shouldBuildVST()         const                   { return getProjectVar ("buildVST"); }
     bool shouldBuildVST3()        const                   { return getProjectVar ("buildVST3"); }
@@ -138,6 +139,7 @@ public:
     bool shouldBuildRTAS()        const                   { return getProjectVar ("buildRTAS"); }
     bool shouldBuildAAX()         const                   { return getProjectVar ("buildAAX"); }
     bool shouldBuildStandalonePlugin()  const             { return getProjectVar ("buildStandalone"); }
+    bool shouldEnableIAA()        const                   { return getProjectVar ("enableIAA"); }
 
     //==============================================================================
     Value getPluginName()                       { return getProjectValue ("pluginName"); }
@@ -163,6 +165,8 @@ public:
     String getPluginRTASCategoryCode();
     String getAUMainTypeString();
     String getAUMainTypeCode();
+    String getIAATypeCode();
+    String getIAAPluginName();
     String getPluginVSTCategoryString();
 
     bool isAUPluginHost();

modules/juce_audio_processors/processors/juce_AudioPlayHead.h → modules/juce_audio_basics/audio_play_head/juce_AudioPlayHead.h

@@ -137,4 +137,16 @@ public:
         multithreading issues if it's not called on the audio thread.
     */
     virtual bool getCurrentPosition (CurrentPositionInfo& result) = 0;
+
+    /** Returns true if this object can control the transport. */
+    virtual bool canControlTransport()                         { return false; };
+
+    /** Starts or stops the audio. */
+    virtual void transportPlay (bool shouldStartPlaying)       { ignoreUnused (shouldStartPlaying); };
+
+    /** Starts or stops recording the audio. */
+    virtual void transportRecord (bool shouldStartRecording)   { ignoreUnused (shouldStartRecording); };
+
+    /** Rewinds the audio. */
+    virtual void transportRewind()                             {};
 };

modules/juce_audio_basics/juce_audio_basics.h

@@ -101,5 +101,6 @@ namespace juce
 #include "sources/juce_ReverbAudioSource.h"
 #include "sources/juce_ToneGeneratorAudioSource.h"
 #include "synthesisers/juce_Synthesiser.h"
+#include "audio_play_head/juce_AudioPlayHead.h"
 
 }

modules/juce_audio_devices/juce_audio_devices.cpp

@@ -182,6 +182,7 @@ namespace juce
 
 //==============================================================================
 #elif JUCE_IOS
+ #include "native/juce_ios_Audio.h"
  #include "native/juce_ios_Audio.cpp"
  #include "native/juce_mac_CoreMidi.cpp"
 

modules/juce_audio_devices/juce_audio_devices.h

@@ -62,6 +62,10 @@
 #include <juce_events/juce_events.h>
 #include <juce_audio_basics/juce_audio_basics.h>
 
+#if JUCE_MODULE_AVAILABLE_juce_gui_extra
+#include <juce_gui_extra/juce_gui_extra.h>
+#endif
+
 //==============================================================================
 /** Config: JUCE_ASIO
     Enables ASIO audio devices (MS Windows only).
@@ -147,12 +151,12 @@
 namespace juce
 {
 
-#include "audio_io/juce_AudioIODevice.h"
-#include "audio_io/juce_AudioIODeviceType.h"
-#include "audio_io/juce_SystemAudioVolume.h"
 #include "midi_io/juce_MidiInput.h"
 #include "midi_io/juce_MidiMessageCollector.h"
 #include "midi_io/juce_MidiOutput.h"
+#include "audio_io/juce_AudioIODevice.h"
+#include "audio_io/juce_AudioIODeviceType.h"
+#include "audio_io/juce_SystemAudioVolume.h"
 #include "sources/juce_AudioSourcePlayer.h"
 #include "sources/juce_AudioTransportSource.h"
 #include "audio_io/juce_AudioDeviceManager.h"

modules/juce_audio_devices/native/juce_ios_Audio.cpp

@@ -210,35 +210,24 @@ static void logNSError (NSError* e)
 
 #define JUCE_NSERROR_CHECK(X)     { NSError* error = nil; X; logNSError (error); }
 
+#if JUCE_MODULE_AVAILABLE_juce_graphics
+#include <juce_graphics/native/juce_mac_CoreGraphicsHelpers.h>
+#endif
 
 //==============================================================================
-class iOSAudioIODevice  : public AudioIODevice
+class iOSAudioIODevice::Pimpl      : public AudioPlayHead
 {
 public:
-    iOSAudioIODevice (const String& deviceName)
-        : AudioIODevice (deviceName, iOSAudioDeviceName)
-    {
-        sessionHolder->activeDevices.add (this);
-        updateSampleRateAndAudioInput();
-    }
-
-    ~iOSAudioIODevice()
-    {
-        sessionHolder->activeDevices.removeFirstMatchingValue (this);
-        close();
-    }
-
-    StringArray getOutputChannelNames() override
+    Pimpl (iOSAudioIODevice& ioDevice)
+        : owner (ioDevice)
     {
-        return { "Left", "Right" };
+        sessionHolder->activeDevices.add (&owner);
     }
 
-    StringArray getInputChannelNames() override
+    ~Pimpl()
     {
-        if (audioInputIsAvailable)
-            return { "Left", "Right" };
-
-        return {};
+        sessionHolder->activeDevices.removeFirstMatchingValue (&owner);
+        owner.close();
     }
 
     static void setAudioSessionActive (bool enabled)
@@ -255,7 +244,7 @@ public:
         return session.sampleRate;
     }
 
-    Array<double> getAvailableSampleRates() override
+    Array<double> getAvailableSampleRates()
     {
         Array<double> rates;
 
@@ -279,7 +268,7 @@ public:
             rate = jmax (rate, supportedRate);
         }
 
-        trySampleRate (getCurrentSampleRate());
+        trySampleRate (owner.getCurrentSampleRate());
 
         AudioUnitAddPropertyListener (audioUnit,
                                       kAudioUnitProperty_StreamFormat,
@@ -295,7 +284,7 @@ public:
         return rates;
     }
 
-    Array<int> getAvailableBufferSizes() override
+    Array<int> getAvailableBufferSizes()
     {
         Array<int> r;
 
@@ -305,43 +294,33 @@ public:
         return r;
     }
 
-    int getDefaultBufferSize() override
-    {
-       #if TARGET_IPHONE_SIMULATOR
-        return 512;
-       #else
-        return 256;
-       #endif
-    }
-
     String open (const BigInteger& inputChannelsWanted,
                  const BigInteger& outputChannelsWanted,
-                 double targetSampleRate, int bufferSize) override
+                 double targetSampleRate, int bufferSize)
     {
         close();
 
-        lastError.clear();
-        preferredBufferSize = bufferSize <= 0 ? getDefaultBufferSize()
-                                              : bufferSize;
+        owner.lastError.clear();
+        owner.preferredBufferSize = bufferSize <= 0 ? owner.getDefaultBufferSize() : bufferSize;
 
         //  xxx set up channel mapping
 
-        activeOutputChans = outputChannelsWanted;
-        activeOutputChans.setRange (2, activeOutputChans.getHighestBit(), false);
-        numOutputChannels = activeOutputChans.countNumberOfSetBits();
-        monoOutputChannelNumber = activeOutputChans.findNextSetBit (0);
+        owner.activeOutputChans = outputChannelsWanted;
+        owner.activeOutputChans.setRange (2, owner.activeOutputChans.getHighestBit(), false);
+        owner.numOutputChannels = owner.activeOutputChans.countNumberOfSetBits();
+        monoOutputChannelNumber = owner.activeOutputChans.findNextSetBit (0);
 
-        activeInputChans = inputChannelsWanted;
-        activeInputChans.setRange (2, activeInputChans.getHighestBit(), false);
-        numInputChannels = activeInputChans.countNumberOfSetBits();
-        monoInputChannelNumber = activeInputChans.findNextSetBit (0);
+        owner.activeInputChans = inputChannelsWanted;
+        owner.activeInputChans.setRange (2, owner.activeInputChans.getHighestBit(), false);
+        owner.numInputChannels = owner.activeInputChans.countNumberOfSetBits();
+        monoInputChannelNumber = owner.activeInputChans.findNextSetBit (0);
 
         setAudioSessionActive (true);
 
         // Set the session category & options:
         auto session = [AVAudioSession sharedInstance];
 
-        const bool useInputs = (numInputChannels > 0 && audioInputIsAvailable);
+        const bool useInputs = (owner.numInputChannels > 0 && owner.audioInputIsAvailable);
 
         NSString* category = (useInputs ? AVAudioSessionCategoryPlayAndRecord : AVAudioSessionCategoryPlayback);
 
@@ -357,26 +336,26 @@ public:
 
         // Set the sample rate
         trySampleRate (targetSampleRate);
-        updateSampleRateAndAudioInput();
+        owner.updateSampleRateAndAudioInput();
         updateCurrentBufferSize();
 
-        prepareFloatBuffers (actualBufferSize);
+        prepareFloatBuffers (owner.actualBufferSize);
 
-        isRunning = true;
+        owner.isRunning = true;
         handleRouteChange ("Started AudioUnit");
 
-        lastError = (audioUnit != 0 ? "" : "Couldn't open the device");
+        owner.lastError = (audioUnit != 0 ? "" : "Couldn't open the device");
 
         setAudioSessionActive (true);
 
-        return lastError;
+        return owner.lastError;
     }
 
-    void close() override
+    void close()
     {
-        if (isRunning)
+        if (owner.isRunning)
         {
-            isRunning = false;
+            owner.isRunning = false;
 
             if (audioUnit != 0)
             {
@@ -389,40 +368,28 @@ public:
         }
     }
 
-    bool isOpen() override                      { return isRunning; }
-
-    int getCurrentBufferSizeSamples() override  { return actualBufferSize; }
-    double getCurrentSampleRate() override      { return sampleRate; }
-    int getCurrentBitDepth() override           { return 16; }
-
-    BigInteger getActiveOutputChannels() const override    { return activeOutputChans; }
-    BigInteger getActiveInputChannels() const override     { return activeInputChans; }
-
-    int getOutputLatencyInSamples() override    { return roundToInt (getCurrentSampleRate() * [AVAudioSession sharedInstance].outputLatency); }
-    int getInputLatencyInSamples()  override    { return roundToInt (getCurrentSampleRate() * [AVAudioSession sharedInstance].inputLatency); }
-
-    void start (AudioIODeviceCallback* newCallback) override
+    void start (AudioIODeviceCallback* newCallback)
     {
-        if (isRunning && callback != newCallback)
+        if (owner.isRunning && owner.callback != newCallback)
         {
             if (newCallback != nullptr)
-                newCallback->audioDeviceAboutToStart (this);
+                newCallback->audioDeviceAboutToStart (&owner);
 
             const ScopedLock sl (callbackLock);
-            callback = newCallback;
+            owner.callback = newCallback;
         }
     }
 
-    void stop() override
+    void stop()
     {
-        if (isRunning)
+        if (owner.isRunning)
         {
             AudioIODeviceCallback* lastCallback;
 
             {
                 const ScopedLock sl (callbackLock);
-                lastCallback = callback;
-                callback = nullptr;
+                lastCallback = owner.callback;
+                owner.callback = nullptr;
             }
 
             if (lastCallback != nullptr)
@@ -430,10 +397,7 @@ public:
         }
     }
 
-    bool isPlaying() override            { return isRunning && callback != nullptr; }
-    String getLastError() override       { return lastError; }
-
-    bool setAudioPreprocessingEnabled (bool enable) override
+    bool setAudioPreprocessingEnabled (bool enable)
     {
         auto session = [AVAudioSession sharedInstance];
 
@@ -446,12 +410,169 @@ public:
         return session.mode == mode;
     }
 
+    //==============================================================================
+    bool canControlTransport() override                    { return owner.interAppAudioConnected; }
+
+    void transportPlay (bool shouldSartPlaying) override
+    {
+        if (! canControlTransport())
+            return;
+
+        HostCallbackInfo callbackInfo;
+        fillHostCallbackInfo (callbackInfo);
+
+        Boolean hostIsPlaying = NO;
+        OSStatus err = callbackInfo.transportStateProc2 (callbackInfo.hostUserData,
+                                                         &hostIsPlaying,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL);
+        jassert (err == noErr);
+
+        if (hostIsPlaying != shouldSartPlaying)
+            handleAudioTransportEvent (kAudioUnitRemoteControlEvent_TogglePlayPause);
+    }
+
+    void transportRecord (bool shouldStartRecording) override
+    {
+        if (! canControlTransport())
+            return;
+
+        HostCallbackInfo callbackInfo;
+        fillHostCallbackInfo (callbackInfo);
+
+        Boolean hostIsRecording = NO;
+        OSStatus err = callbackInfo.transportStateProc2 (callbackInfo.hostUserData,
+                                                         NULL,
+                                                         &hostIsRecording,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL,
+                                                         NULL);
+        jassert (err == noErr);
+
+        if (hostIsRecording != shouldStartRecording)
+            handleAudioTransportEvent (kAudioUnitRemoteControlEvent_ToggleRecord);
+    }
+
+    void transportRewind() override
+    {
+        if (canControlTransport())
+            handleAudioTransportEvent (kAudioUnitRemoteControlEvent_Rewind);
+    }
+
+    bool getCurrentPosition (CurrentPositionInfo& result) override
+    {
+        if (! canControlTransport())
+            return false;
+
+        zerostruct (result);
+
+        HostCallbackInfo callbackInfo;
+        fillHostCallbackInfo (callbackInfo);
+
+        if (callbackInfo.hostUserData == nullptr)
+            return false;
+
+        Boolean hostIsPlaying               = NO;
+        Boolean hostIsRecording             = NO;
+        Float64 hostCurrentSampleInTimeLine = 0;
+        Boolean hostIsCycling               = NO;
+        Float64 hostCycleStartBeat          = 0;
+        Float64 hostCycleEndBeat            = 0;
+        OSStatus err = callbackInfo.transportStateProc2 (callbackInfo.hostUserData,
+                                                         &hostIsPlaying,
+                                                         &hostIsRecording,
+                                                         NULL,
+                                                         &hostCurrentSampleInTimeLine,
+                                                         &hostIsCycling,
+                                                         &hostCycleStartBeat,
+                                                         &hostCycleEndBeat);
+        if (err == kAUGraphErr_CannotDoInCurrentContext)
+            return false;
+
+        jassert (err == noErr);
+
+        result.timeInSamples = (int64) hostCurrentSampleInTimeLine;
+        result.isPlaying     = hostIsPlaying;
+        result.isRecording   = hostIsRecording;
+        result.isLooping     = hostIsCycling;
+        result.ppqLoopStart  = hostCycleStartBeat;
+        result.ppqLoopEnd    = hostCycleEndBeat;
+
+        result.timeInSeconds = result.timeInSamples / owner.sampleRate;
+
+        Float64 hostBeat = 0;
+        Float64 hostTempo = 0;
+        err = callbackInfo.beatAndTempoProc (callbackInfo.hostUserData,
+                                             &hostBeat,
+                                             &hostTempo);
+        jassert (err == noErr);
+
+        result.ppqPosition = hostBeat;
+        result.bpm         = hostTempo;
+
+        Float32 hostTimeSigNumerator = 0;
+        UInt32 hostTimeSigDenominator = 0;
+        Float64 hostCurrentMeasureDownBeat = 0;
+        err = callbackInfo.musicalTimeLocationProc (callbackInfo.hostUserData,
+                                                    NULL,
+                                                    &hostTimeSigNumerator,
+                                                    &hostTimeSigDenominator,
+                                                    &hostCurrentMeasureDownBeat);
+        jassert (err == noErr);
+
+        result.ppqPositionOfLastBarStart = hostCurrentMeasureDownBeat;
+        result.timeSigNumerator          = (int) hostTimeSigNumerator;
+        result.timeSigDenominator        = (int) hostTimeSigDenominator;
+
+        result.frameRate = AudioPlayHead::fpsUnknown;
+
+        return true;
+    }
+
+    //==============================================================================
+   #if JUCE_MODULE_AVAILABLE_juce_gui_basics
+    Image getIcon (int size)
+    {
+        if (owner.interAppAudioConnected)
+        {
+            UIImage* hostUIImage = AudioOutputUnitGetHostIcon (audioUnit, size);
+            if (hostUIImage != nullptr)
+                return juce_createImageFromUIImage (hostUIImage);
+        }
+        return Image();
+    }
+   #endif
+
+    void switchApplication()
+    {
+        if (! owner.interAppAudioConnected)
+            return;
+
+        CFURLRef hostUrl;
+        UInt32 dataSize = sizeof (hostUrl);
+        OSStatus err = AudioUnitGetProperty(audioUnit,
+                                            kAudioUnitProperty_PeerURL,
+                                            kAudioUnitScope_Global,
+                                            0,
+                                            &hostUrl,
+                                            &dataSize);
+        if (err == noErr)
+            [[UIApplication sharedApplication] openURL:(NSURL*)hostUrl];
+    }
+
+    //==============================================================================
     void invokeAudioDeviceErrorCallback (const String& reason)
     {
         const ScopedLock sl (callbackLock);
 
-        if (callback != nullptr)
-            callback->audioDeviceError (reason);
+        if (owner.callback != nullptr)
+            owner.callback->audioDeviceError (reason);
     }
 
     void handleStatusChange (bool enabled, const char* reason)
@@ -460,7 +581,7 @@ public:
 
         JUCE_IOS_AUDIO_LOG ("handleStatusChange: enabled: " << (int) enabled << ", reason: " << reason);
 
-        isRunning = enabled;
+        owner.isRunning = enabled;
         setAudioSessionActive (enabled);
 
         if (enabled)
@@ -480,10 +601,10 @@ public:
 
         fixAudioRouteIfSetToReceiver();
 
-        if (isRunning)
+        if (owner.isRunning)
         {
             invokeAudioDeviceErrorCallback (reason);
-            updateSampleRateAndAudioInput();
+            owner.updateSampleRateAndAudioInput();
             updateCurrentBufferSize();
             createAudioUnit();
 
@@ -496,29 +617,72 @@ public:
                 AudioOutputUnitStart (audioUnit);
             }
 
-            if (callback != nullptr)
+            if (owner.callback != nullptr)
+            {
+                owner.callback->audioDeviceStopped();
+                owner.callback->audioDeviceAboutToStart (&owner);
+            }
+        }
+    }
+
+    void handleAudioUnitPropertyChange (AudioUnit,
+                                        AudioUnitPropertyID propertyID,
+                                        AudioUnitScope,
+                                        AudioUnitElement)
+    {
+        const ScopedLock myScopedLock (callbackLock);
+
+        switch (propertyID)
+        {
+            case kAudioUnitProperty_IsInterAppConnected: return handleInterAppAudioConnectionChange();
+            default: return;
+        }
+    }
+
+    void handleInterAppAudioConnectionChange()
+    {
+        UInt32 connected;
+        UInt32 dataSize = sizeof (connected);
+        OSStatus err = AudioUnitGetProperty (audioUnit, kAudioUnitProperty_IsInterAppConnected,
+                                             kAudioUnitScope_Global, 0, &connected, &dataSize);
+        jassert (err == noErr);
+
+        JUCE_IOS_AUDIO_LOG ("handleInterAppAudioConnectionChange: " << connected ? "connected"
+                                                                                 : "disconnected");
+
+        if (connected != owner.interAppAudioConnected)
+        {
+            const ScopedLock myScopedLock (callbackLock);
+
+            owner.interAppAudioConnected = connected;
+
+            UIApplicationState appstate = [UIApplication sharedApplication].applicationState;
+            bool inForeground = (appstate != UIApplicationStateBackground);
+
+            if (owner.interAppAudioConnected || inForeground)
             {
-                callback->audioDeviceStopped();
-                callback->audioDeviceAboutToStart (this);
+                setAudioSessionActive (true);
+                AudioOutputUnitStart (audioUnit);
+
+                if (owner.callback != nullptr)
+                    owner.callback->audioDeviceAboutToStart (&owner);
+            }
+            else if (! inForeground)
+            {
+                AudioOutputUnitStop (audioUnit);
+                setAudioSessionActive (false);
             }
         }
     }
 
 private:
     //==============================================================================
+    iOSAudioIODevice& owner;
     SharedResourcePointer<AudioSessionHolder> sessionHolder;
     CriticalSection callbackLock;
-    NSTimeInterval sampleRate = 0;
-    int numInputChannels = 2, numOutputChannels = 2;
-    int preferredBufferSize = 0, actualBufferSize = 0;
-    bool isRunning = false;
-    String lastError;
 
     AudioStreamBasicDescription format;
     AudioUnit audioUnit {};
-    bool audioInputIsAvailable = false;
-    AudioIODeviceCallback* callback = nullptr;
-    BigInteger activeOutputChans, activeInputChans;
 
     AudioSampleBuffer floatData;
     float* inputChannels[3];
@@ -527,17 +691,17 @@ private:
 
     void prepareFloatBuffers (int bufferSize)
     {
-        if (numInputChannels + numOutputChannels > 0)
+        if (owner.numInputChannels + owner.numOutputChannels > 0)
         {
-            floatData.setSize (numInputChannels + numOutputChannels, bufferSize);
+            floatData.setSize (owner.numInputChannels + owner.numOutputChannels, bufferSize);
             zeromem (inputChannels, sizeof (inputChannels));
             zeromem (outputChannels, sizeof (outputChannels));
 
-            for (int i = 0; i < numInputChannels; ++i)
+            for (int i = 0; i < owner.numInputChannels; ++i)
                 inputChannels[i] = floatData.getWritePointer (i);
 
-            for (int i = 0; i < numOutputChannels; ++i)
-                outputChannels[i] = floatData.getWritePointer (i + numInputChannels);
+            for (int i = 0; i < owner.numOutputChannels; ++i)
+                outputChannels[i] = floatData.getWritePointer (i + owner.numInputChannels);
         }
     }
 
@@ -547,21 +711,21 @@ private:
     {
         OSStatus err = noErr;
 
-        if (audioInputIsAvailable && numInputChannels > 0)
+        if (owner.audioInputIsAvailable && owner.numInputChannels > 0)
             err = AudioUnitRender (audioUnit, flags, time, 1, numFrames, data);
 
         const ScopedTryLock stl (callbackLock);
 
-        if (stl.isLocked() && callback != nullptr)
+        if (stl.isLocked() && owner.callback != nullptr)
         {
             if ((int) numFrames > floatData.getNumSamples())
                 prepareFloatBuffers ((int) numFrames);
 
-            if (audioInputIsAvailable && numInputChannels > 0)
+            if (owner.audioInputIsAvailable && owner.numInputChannels > 0)
             {
                 short* shortData = (short*) data->mBuffers[0].mData;
 
-                if (numInputChannels >= 2)
+                if (owner.numInputChannels >= 2)
                 {
                     for (UInt32 i = 0; i < numFrames; ++i)
                     {
@@ -583,17 +747,17 @@ private:
             }
             else
             {
-                for (int i = numInputChannels; --i >= 0;)
+                for (int i = owner.numInputChannels; --i >= 0;)
                     zeromem (inputChannels[i], sizeof (float) * numFrames);
             }
 
-            callback->audioDeviceIOCallback ((const float**) inputChannels, numInputChannels,
-                                             outputChannels, numOutputChannels, (int) numFrames);
+            owner.callback->audioDeviceIOCallback ((const float**) inputChannels, owner.numInputChannels,
+                                                   outputChannels, owner.numOutputChannels, (int) numFrames);
 
             short* const shortData = (short*) data->mBuffers[0].mData;
             int n = 0;
 
-            if (numOutputChannels >= 2)
+            if (owner.numOutputChannels >= 2)
             {
                 for (UInt32 i = 0; i < numFrames; ++i)
                 {
@@ -601,7 +765,7 @@ private:
                     shortData [n++] = (short) (outputChannels[1][i] * 32767.0f);
                 }
             }
-            else if (numOutputChannels == 1)
+            else if (owner.numOutputChannels == 1)
             {
                 for (UInt32 i = 0; i < numFrames; ++i)
                 {
@@ -623,25 +787,13 @@ private:
         return err;
     }
 
-    void updateSampleRateAndAudioInput()
-    {
-        auto session = [AVAudioSession sharedInstance];
-        sampleRate = session.sampleRate;
-        audioInputIsAvailable = session.isInputAvailable;
-        actualBufferSize = roundToInt (sampleRate * session.IOBufferDuration);
-
-        JUCE_IOS_AUDIO_LOG ("AVAudioSession: sampleRate: " << sampleRate
-                             << " Hz, audioInputAvailable: " << (int) audioInputIsAvailable
-                             << ", buffer size: " << actualBufferSize);
-    }
-
     void updateCurrentBufferSize()
     {
-        NSTimeInterval bufferDuration = sampleRate > 0 ? (NSTimeInterval) ((preferredBufferSize + 1) / sampleRate) : 0.0;
+        NSTimeInterval bufferDuration = owner.sampleRate > 0 ? (NSTimeInterval) ((owner.preferredBufferSize + 1) / owner.sampleRate) : 0.0;
 
         JUCE_NSERROR_CHECK ([[AVAudioSession sharedInstance] setPreferredIOBufferDuration: bufferDuration
                                                                                     error: &error]);
-        updateSampleRateAndAudioInput();
+        owner.updateSampleRateAndAudioInput();
     }
 
     //==============================================================================
@@ -649,7 +801,7 @@ private:
                                    UInt32 /*busNumber*/, UInt32 numFrames, AudioBufferList* data)
     {
 
-        return static_cast<iOSAudioIODevice*> (client)->process (flags, time, numFrames, data);
+        return static_cast<Pimpl*> (client)->process (flags, time, numFrames, data);
     }
 
     //==============================================================================
@@ -687,7 +839,32 @@ private:
         if (audioUnit == 0)
             return false;
 
-        if (numInputChannels > 0)
+       #if JucePlugin_Enable_IAA
+        AudioComponentDescription appDesc;
+        appDesc.componentType = JucePlugin_IAAType;
+        appDesc.componentSubType = JucePlugin_IAASubType;
+        appDesc.componentManufacturer = JucePlugin_ManufacturerCode;
+        appDesc.componentFlags = 0;
+        appDesc.componentFlagsMask = 0;
+        OSStatus err = AudioOutputUnitPublish (&appDesc,
+                                               CFSTR(JucePlugin_IAAName),
+                                               JucePlugin_VersionCode,
+                                               audioUnit);
+
+        // This assert will be hit if the Inter-App Audio entitlement has not
+        // been enabled, or the description being published with
+        // AudioOutputUnitPublish is different from any in the AudioComponents
+        // array in this application's .plist file.
+        jassert (err == noErr);
+
+        err = AudioUnitAddPropertyListener(audioUnit,
+                                           kAudioUnitProperty_IsInterAppConnected,
+                                           audioUnitPropertyChangeDispatcher,
+                                           this);
+        jassert (err == noErr);
+       #endif
+
+        if (owner.numInputChannels > 0)
         {
             const UInt32 one = 1;
             AudioUnitSetProperty (audioUnit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &one, sizeof (one));
@@ -721,7 +898,7 @@ private:
 
         if (AudioUnitGetProperty (audioUnit, kAudioUnitProperty_MaximumFramesPerSlice,
                                   kAudioUnitScope_Global, 0, &framesPerSlice, &dataSize) == noErr
-            && dataSize == sizeof (framesPerSlice) && static_cast<int> (framesPerSlice) != actualBufferSize)
+            && dataSize == sizeof (framesPerSlice) && static_cast<int> (framesPerSlice) != owner.actualBufferSize)
         {
             prepareFloatBuffers (static_cast<int> (framesPerSlice));
         }
@@ -731,6 +908,26 @@ private:
         return true;
     }
 
+    void fillHostCallbackInfo (HostCallbackInfo& callbackInfo)
+    {
+        zerostruct (callbackInfo);
+        UInt32 dataSize = sizeof (HostCallbackInfo);
+        OSStatus err = AudioUnitGetProperty (audioUnit,
+                                             kAudioUnitProperty_HostCallbacks,
+                                             kAudioUnitScope_Global,
+                                             0,
+                                             &callbackInfo,
+                                             &dataSize);
+        jassert (err == noErr);
+    }
+
+    void handleAudioTransportEvent (AudioUnitRemoteControlEvent event)
+    {
+        OSStatus err = AudioUnitSetProperty (audioUnit, kAudioOutputUnitProperty_RemoteControlToHost,
+                                             kAudioUnitScope_Global, 0, &event, sizeof (event));
+        jassert (err == noErr);
+    }
+
     // If the routing is set to go through the receiver (i.e. the speaker, but quiet), this re-routes it
     // to make it loud. Needed because by default when using an input + output, the output is kept quiet.
     static void fixAudioRouteIfSetToReceiver()
@@ -768,14 +965,14 @@ private:
                              0,
                              &desc,
                              &dataSize);
-        if (desc.mSampleRate != getCurrentSampleRate())
+        if (desc.mSampleRate != owner.getCurrentSampleRate())
         {
-            updateSampleRateAndAudioInput();
+            owner.updateSampleRateAndAudioInput();
             const ScopedLock sl (callbackLock);
-            if (callback != nullptr)
+            if (owner.callback != nullptr)
             {
-                callback->audioDeviceStopped();
-                callback->audioDeviceAboutToStart (this);
+                owner.callback->audioDeviceStopped();
+                owner.callback->audioDeviceAboutToStart (&owner);
             }
         }
     }
@@ -787,13 +984,91 @@ private:
                                                   AudioUnitElement element)
     {
         if (scope == kAudioUnitScope_Output && element == 0)
-            static_cast<iOSAudioIODevice*> (device)->handleStreamFormatChange();
+            static_cast<Pimpl*> (device)->handleStreamFormatChange();
+    }
+
+    static void audioUnitPropertyChangeDispatcher (void* data, AudioUnit unit, AudioUnitPropertyID propertyID,
+                                                   AudioUnitScope scope, AudioUnitElement element)
+    {
+        Pimpl* device = (Pimpl*)data;
+        device->handleAudioUnitPropertyChange (unit, propertyID, scope, element);
+    }
+
+    void handleMidiMessage (MidiMessage msg)
+    {
+        if (owner.messageCollector != nullptr)
+            owner.messageCollector->addMessageToQueue (msg);
+    }
+
+    static void midiEventCallback (void *client, UInt32 status, UInt32 data1, UInt32 data2, UInt32)
+    {
+        return static_cast<Pimpl*> (client)->handleMidiMessage (MidiMessage ((int) status,
+                                                                             (int) data1,
+                                                                             (int) data2,
+                                                                             Time::getMillisecondCounter() / 1000.0));
     }
 
-    JUCE_DECLARE_NON_COPYABLE (iOSAudioIODevice)
+    JUCE_DECLARE_NON_COPYABLE (Pimpl)
 };
 
 
+//==============================================================================
+iOSAudioIODevice::iOSAudioIODevice (const String& deviceName)
+    : AudioIODevice (deviceName, iOSAudioDeviceName),
+     #if TARGET_IPHONE_SIMULATOR
+      defaultBufferSize (512),
+     #else
+      defaultBufferSize (256),
+     #endif
+      sampleRate (0), numInputChannels (2), numOutputChannels (2),
+      preferredBufferSize (0), actualBufferSize (0), isRunning (false),
+      audioInputIsAvailable (false), interAppAudioConnected (false),
+      callback (nullptr), messageCollector (nullptr),
+      pimpl (new Pimpl (*this))
+{
+    updateSampleRateAndAudioInput();
+}
+
+//==============================================================================
+int iOSAudioIODevice::getOutputLatencyInSamples()     { return roundToInt (sampleRate * [AVAudioSession sharedInstance].outputLatency); }
+int iOSAudioIODevice::getInputLatencyInSamples()      { return roundToInt (sampleRate * [AVAudioSession sharedInstance].inputLatency); }
+
+//==============================================================================
+AudioPlayHead* iOSAudioIODevice::getAudioPlayHead() const           { return pimpl; }
+void iOSAudioIODevice::close()                                      { pimpl->close(); }
+void iOSAudioIODevice::start (AudioIODeviceCallback* callbackToUse) { pimpl->start (callbackToUse); }
+void iOSAudioIODevice::stop()                                       { pimpl->stop(); }
+Array<double> iOSAudioIODevice::getAvailableSampleRates()           { return pimpl->getAvailableSampleRates(); }
+Array<int> iOSAudioIODevice::getAvailableBufferSizes()              { return pimpl->getAvailableBufferSizes(); }
+bool iOSAudioIODevice::setAudioPreprocessingEnabled (bool enabled)  { return pimpl->setAudioPreprocessingEnabled (enabled); }
+void iOSAudioIODevice::switchApplication()                          { return pimpl->switchApplication(); }
+
+//==============================================================================
+void iOSAudioIODevice::handleStatusChange (bool enabled, const char* reason)   { pimpl->handleStatusChange (enabled, reason); }
+void iOSAudioIODevice::handleRouteChange (const char* reason)                  { pimpl->handleRouteChange (reason); }
+
+#if JUCE_MODULE_AVAILABLE_juce_gui_basics
+Image iOSAudioIODevice::getIcon (int size)                                     { return pimpl->getIcon (size); }
+#endif
+
+//==============================================================================
+String iOSAudioIODevice::open (const BigInteger& inChans, const BigInteger& outChans, double requestedSampleRate, int requestedBufferSize)
+{
+    return pimpl->open (inChans, outChans, requestedSampleRate, requestedBufferSize);
+}
+
+void iOSAudioIODevice::updateSampleRateAndAudioInput()
+{
+    auto session = [AVAudioSession sharedInstance];
+    sampleRate = session.sampleRate;
+    audioInputIsAvailable = session.isInputAvailable;
+    actualBufferSize = roundToInt (sampleRate * session.IOBufferDuration);
+
+    JUCE_IOS_AUDIO_LOG ("AVAudioSession: sampleRate: " << sampleRate
+                         << " Hz, audioInputAvailable: " << (int) audioInputIsAvailable
+                         << ", buffer size: " << actualBufferSize);
+}
+
 //==============================================================================
 class iOSAudioIODeviceType  : public AudioIODeviceType
 {

modules/juce_audio_devices/native/juce_ios_Audio.h

@@ -0,0 +1,107 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2016 - ROLI Ltd.
+
+   Permission is granted to use this software under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license/
+
+   Permission to use, copy, modify, and/or distribute this software for any
+   purpose with or without fee is hereby granted, provided that the above
+   copyright notice and this permission notice appear in all copies.
+
+   THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD
+   TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+   FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
+   OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+   USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+   TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+   OF THIS SOFTWARE.
+
+   -----------------------------------------------------------------------------
+
+   To release a closed-source product which uses other parts of JUCE not
+   licensed under the ISC terms, commercial licenses are available: visit
+   www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+#pragma once
+
+class iOSAudioIODeviceType;
+
+class iOSAudioIODevice : public AudioIODevice
+{
+public:
+    //==============================================================================
+    String open (const BigInteger&, const BigInteger&, double, int) override;
+    void close() override;
+
+    void start (AudioIODeviceCallback*) override;
+    void stop() override;
+
+    Array<double> getAvailableSampleRates() override;
+    Array<int> getAvailableBufferSizes() override;
+    bool setAudioPreprocessingEnabled (bool) override;
+
+    //==============================================================================
+    bool isPlaying() override                             { return isRunning && callback != nullptr; }
+    bool isOpen() override                                { return isRunning; }
+    String getLastError() override                        { return lastError; };
+
+    //==============================================================================
+    StringArray getOutputChannelNames() override          { return { "Left", "Right" }; }
+    StringArray getInputChannelNames() override           { return audioInputIsAvailable ? getOutputChannelNames() : StringArray(); }
+    int getDefaultBufferSize() override                   { return defaultBufferSize; }
+    int getCurrentBufferSizeSamples() override            { return actualBufferSize; }
+    double getCurrentSampleRate() override                { return sampleRate; }
+    int getCurrentBitDepth() override                     { return 16; }
+    BigInteger getActiveOutputChannels() const override   { return activeOutputChans; }
+    BigInteger getActiveInputChannels() const override    { return activeInputChans; }
+    int getOutputLatencyInSamples() override;
+    int getInputLatencyInSamples() override;
+
+    //==============================================================================
+    void handleStatusChange (bool enabled, const char* reason);
+    void handleRouteChange (const char* reason);
+
+    //==============================================================================
+    virtual void setMidiMessageCollector (MidiMessageCollector* collector)     { messageCollector = collector; }
+    virtual AudioPlayHead* getAudioPlayHead() const;
+
+    //==============================================================================
+    virtual bool isInterAppAudioConnected() const                              { return interAppAudioConnected; }
+   #if JUCE_MODULE_AVAILABLE_juce_gui_basics
+    virtual Image getIcon (int size);
+   #endif
+    virtual void switchApplication();
+private:
+    //==============================================================================
+    void updateSampleRateAndAudioInput();
+
+    //==============================================================================
+    friend class iOSAudioIODeviceType;
+    iOSAudioIODevice (const String& deviceName);
+
+    //==============================================================================
+    const int defaultBufferSize;
+    double sampleRate;
+    int numInputChannels, numOutputChannels;
+    int preferredBufferSize, actualBufferSize;
+    bool isRunning;
+    String lastError;
+
+    bool audioInputIsAvailable, interAppAudioConnected;
+    BigInteger activeOutputChans, activeInputChans;
+
+    AudioIODeviceCallback* callback;
+    MidiMessageCollector* messageCollector;
+
+    class Pimpl;
+    friend class Pimpl;
+    ScopedPointer<Pimpl> pimpl;
+
+    JUCE_DECLARE_NON_COPYABLE (iOSAudioIODevice)
+};

modules/juce_audio_plugin_client/AU/juce_AUv3_Wrapper.mm

@@ -1431,5 +1431,14 @@ private:
 - (void)viewDidLayoutSubviews   { return cpp->viewDidLayoutSubviews(); }
 @end
 
+//==============================================================================
+#if JUCE_IOS
+bool JUCE_CALLTYPE juce_isInterAppAudioConnected() { return false; }
+void JUCE_CALLTYPE juce_switchToHostApplication()  {}
+#if JUCE_MODULE_AVAILABLE_juce_gui_basics
+Image JUCE_CALLTYPE juce_getIAAHostIcon (int)      { return Image(); }
+#endif
+#endif
+
 #pragma clang diagnostic pop
 #endif

modules/juce_audio_plugin_client/Standalone/juce_StandaloneFilterApp.cpp

@@ -43,6 +43,10 @@ extern AudioProcessor* JUCE_CALLTYPE createPluginFilter();
 
 namespace juce
 {
+   #if JucePlugin_Enable_IAA && JUCE_IOS
+    #include "../../juce_audio_devices/native/juce_ios_Audio.h"
+   #endif
+
     #include "juce_StandaloneFilterWindow.h"
 }
 
@@ -107,4 +111,31 @@ protected:
     ScopedPointer<StandaloneFilterWindow> mainWindow;
 };
 
+#if JucePlugin_Build_STANDALONE && JUCE_IOS
+
+bool JUCE_CALLTYPE juce_isInterAppAudioConnected()
+{
+    if (auto holder = StandalonePluginHolder::getInstance())
+        return holder->isInterAppAudioConnected();
+
+    return false;
+}
+
+void JUCE_CALLTYPE juce_switchToHostApplication()
+{
+    if (auto holder = StandalonePluginHolder::getInstance())
+        holder->switchToHostApplication();
+}
+
+#if JUCE_MODULE_AVAILABLE_juce_gui_basics
+Image JUCE_CALLTYPE juce_getIAAHostIcon (int size)
+{
+    if (auto holder = StandalonePluginHolder::getInstance())
+        return holder->getIAAHostIcon (size);
+
+    return Image();
+}
+#endif
+#endif
+
 #endif

modules/juce_audio_plugin_client/Standalone/juce_StandaloneFilterWindow.h

@@ -182,6 +182,14 @@ public:
     void startPlaying()
     {
         player.setProcessor (processor);
+
+       #if JucePlugin_Enable_IAA && JUCE_IOS
+        if (auto device = dynamic_cast<iOSAudioIODevice*> (deviceManager.getCurrentAudioDevice()))
+        {
+            processor->setPlayHead                (device->getAudioPlayHead());
+            device->setMidiMessageCollector (&player.getMidiMessageCollector());
+        }
+       #endif
     }
 
     void stopPlaying()
@@ -260,6 +268,41 @@ public:
         }
     }
 
+    //==============================================================================
+    void switchToHostApplication()
+    {
+       #if JUCE_IOS
+        if (auto device = dynamic_cast<iOSAudioIODevice*> (deviceManager.getCurrentAudioDevice()))
+            device->switchApplication();
+       #endif
+    }
+
+    bool isInterAppAudioConnected()
+    {
+       #if JUCE_IOS
+        if (auto device = dynamic_cast<iOSAudioIODevice*> (deviceManager.getCurrentAudioDevice()))
+            return device->isInterAppAudioConnected();
+       #endif
+
+        return false;
+    }
+
+   #if JUCE_MODULE_AVAILABLE_juce_gui_basics
+    Image getIAAHostIcon (int size)
+    {
+       #if JUCE_IOS && JucePlugin_Enable_IAA
+        if (auto device = dynamic_cast<iOSAudioIODevice*> (deviceManager.getCurrentAudioDevice()))
+            return device->getIcon (size);
+       #else
+        ignoreUnused (size);
+       #endif
+
+        return Image();
+    }
+   #endif
+
+    static StandalonePluginHolder* getInstance();
+
     //==============================================================================
     OptionalScopedPointer<PropertySet> settings;
     ScopedPointer<AudioProcessor> processor;
@@ -328,7 +371,6 @@ private:
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (StandalonePluginHolder)
 };
 
-
 //==============================================================================
 /**
     A class that can be used to run a simple standalone application containing your filter.
@@ -481,6 +523,8 @@ public:
         optionsButton.setBounds (8, 6, 60, getTitleBarHeight() - 8);
     }
 
+    virtual StandalonePluginHolder* getPluginHolder()    { return pluginHolder; }
+
     ScopedPointer<StandalonePluginHolder> pluginHolder;
 
 private:
@@ -489,3 +533,20 @@ private:
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (StandaloneFilterWindow)
 };
+
+StandalonePluginHolder* StandalonePluginHolder::getInstance()
+{
+   #if JucePlugin_Enable_IAA || JucePlugin_Build_STANDALONE
+    if (PluginHostType::getPluginLoadedAs() == AudioProcessor::wrapperType_Standalone)
+    {
+        Desktop& desktop (Desktop::getInstance());
+        const int numTopLevelWindows = desktop.getNumComponents();
+
+        for (int i = 0; i < numTopLevelWindows; ++i)
+            if (auto window = dynamic_cast<StandaloneFilterWindow*> (desktop.getComponent (i)))
+                return window->getPluginHolder();
+    }
+   #endif
+
+    return nullptr;
+}

modules/juce_audio_plugin_client/utility/juce_PluginHostType.h

@@ -169,6 +169,14 @@ public:
         return "Unknown";
     }
 
+    //==============================================================================
+    bool isInterAppAudioConnected() const;
+    void switchToHostApplication() const;
+
+   #if JUCE_MODULE_AVAILABLE_juce_gui_basics
+    Image getHostIcon (int size) const;
+   #endif
+
     //==============================================================================
     static String getHostPath()
     {

modules/juce_audio_plugin_client/utility/juce_PluginUtilities.cpp

@@ -149,6 +149,15 @@ bool JUCE_API handleManufacturerSpecificVST2Opcode (int32 index, pointer_sized_i
 */
 extern AudioProcessor* JUCE_CALLTYPE createPluginFilter();
 
+#if JucePlugin_Enable_IAA && JucePlugin_Build_STANDALONE && JUCE_IOS && (! JUCE_USE_CUSTOM_AU3_STANDALONE_APP)
+extern bool JUCE_CALLTYPE juce_isInterAppAudioConnected();
+extern void JUCE_CALLTYPE juce_switchToHostApplication();
+
+#if JUCE_MODULE_AVAILABLE_juce_gui_basics
+extern Image JUCE_CALLTYPE juce_getIAAHostIcon (int);
+#endif
+#endif
+
 AudioProcessor* JUCE_API JUCE_CALLTYPE createPluginFilterOfType (AudioProcessor::WrapperType type)
 {
     AudioProcessor::setTypeOfNextNewPlugin (type);
@@ -160,3 +169,46 @@ AudioProcessor* JUCE_API JUCE_CALLTYPE createPluginFilterOfType (AudioProcessor:
 
     return pluginInstance;
 }
+
+bool PluginHostType::isInterAppAudioConnected() const
+{
+   #if JucePlugin_Enable_IAA && JucePlugin_Build_STANDALONE && JUCE_IOS && (! JUCE_USE_CUSTOM_AU3_STANDALONE_APP)
+    if (getPluginLoadedAs() == AudioProcessor::wrapperType_Standalone)
+        return juce_isInterAppAudioConnected();
+   #endif
+
+    return false;
+}
+
+void PluginHostType::switchToHostApplication() const
+{
+   #if JucePlugin_Enable_IAA && JucePlugin_Build_STANDALONE && JUCE_IOS && (! JUCE_USE_CUSTOM_AU3_STANDALONE_APP)
+    if (getPluginLoadedAs() == AudioProcessor::wrapperType_Standalone)
+        juce_switchToHostApplication();
+   #endif
+}
+
+#if JUCE_MODULE_AVAILABLE_juce_gui_basics
+namespace juce {
+
+extern Image JUCE_API getIconFromApplication (const String&, const int);
+
+Image PluginHostType::getHostIcon (int size) const
+{
+    ignoreUnused (size);
+
+   #if JucePlugin_Enable_IAA && JucePlugin_Build_STANDALONE && JUCE_IOS && (! JUCE_USE_CUSTOM_AU3_STANDALONE_APP)
+    if (isInterAppAudioConnected())
+        return juce_getIAAHostIcon (size);
+   #endif
+
+   #if JUCE_MAC
+    String bundlePath (getHostPath().upToLastOccurrenceOf (".app", true, true));
+    return getIconFromApplication (bundlePath, size);
+   #endif
+
+    return Image();
+}
+
+}
+#endif

modules/juce_audio_processors/juce_audio_processors.h

@@ -102,7 +102,6 @@ namespace juce
 {
 
 class AudioProcessor;
-#include "processors/juce_AudioPlayHead.h"
 #include "processors/juce_AudioProcessorEditor.h"
 #include "processors/juce_AudioProcessorListener.h"
 #include "processors/juce_AudioProcessorParameter.h"

modules/juce_graphics/image_formats/juce_JPEGLoader.cpp

@@ -223,13 +223,23 @@ bool JPEGImageFormat::usesFileExtension (const File& f)   { return f.hasFileExte
 
 bool JPEGImageFormat::canUnderstand (InputStream& in)
 {
-    const int bytesNeeded = 10;
+    const int bytesNeeded = 24;
     uint8 header [bytesNeeded];
 
-    return in.read (header, bytesNeeded) == bytesNeeded
+    if (in.read (header, bytesNeeded) == bytesNeeded
             && header[0] == 0xff
             && header[1] == 0xd8
-            && header[2] == 0xff;
+            && header[2] == 0xff)
+        return true;
+
+   #if JUCE_USING_COREIMAGE_LOADER
+    return header[20] == 'j'
+        && header[21] == 'p'
+        && header[22] == '2'
+        && header[23] == ' ';
+   #endif
+
+    return false;
 }
 
 #if JUCE_USING_COREIMAGE_LOADER

modules/juce_graphics/juce_graphics.cpp

@@ -144,21 +144,25 @@ namespace juce
 #if JUCE_MAC || JUCE_IOS
  #include "native/juce_mac_Fonts.mm"
  #include "native/juce_mac_CoreGraphicsContext.mm"
+ #include "native/juce_mac_IconHelpers.cpp"
 
 #elif JUCE_WINDOWS
  #include "native/juce_win32_DirectWriteTypeface.cpp"
  #include "native/juce_win32_DirectWriteTypeLayout.cpp"
  #include "native/juce_win32_Fonts.cpp"
+ #include "native/juce_win32_IconHelpers.cpp"
  #if JUCE_DIRECT2D
   #include "native/juce_win32_Direct2DGraphicsContext.cpp"
  #endif
 
 #elif JUCE_LINUX
  #include "native/juce_linux_Fonts.cpp"
+ #include "native/juce_linux_IconHelpers.cpp"
 
 #elif JUCE_ANDROID
  #include "native/juce_android_GraphicsContext.cpp"
  #include "native/juce_android_Fonts.cpp"
+ #include "native/juce_android_IconHelpers.cpp"
 
 #endif
 }

modules/juce_graphics/juce_graphics.h

@@ -41,7 +41,7 @@
 
   dependencies:     juce_events
   OSXFrameworks:    Cocoa QuartzCore
-  iOSFrameworks:    CoreGraphics CoreText QuartzCore
+  iOSFrameworks:    CoreGraphics CoreImage CoreText QuartzCore
   linuxPackages:    x11 xinerama xext freetype2
 
  END_JUCE_MODULE_DECLARATION

modules/juce_graphics/native/juce_android_IconHelpers.cpp

@@ -0,0 +1,28 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+Image JUCE_API getIconFromApplication (const String&, const int)
+{
+    return Image();
+}

modules/juce_graphics/native/juce_linux_IconHelpers.cpp

@@ -0,0 +1,28 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+Image JUCE_API getIconFromApplication (const String&, const int)
+{
+    return Image();
+}

modules/juce_graphics/native/juce_mac_CoreGraphicsContext.mm

@@ -876,7 +876,6 @@ Image juce_loadWithCoreImage (InputStream& input)
 }
 #endif
 
-#if JUCE_MAC
 Image juce_createImageFromCIImage (CIImage*, int, int);
 Image juce_createImageFromCIImage (CIImage* im, int w, int h)
 {
@@ -904,4 +903,16 @@ CGContextRef juce_getImageContext (const Image& image)
     return 0;
 }
 
+#if JUCE_IOS
+Image juce_createImageFromUIImage (UIImage* img)
+{
+    CGImageRef image = [img CGImage];
+
+    Image retval (Image::ARGB, (int) CGImageGetWidth (image), (int) CGImageGetHeight (image), true);
+    CGContextRef ctx = juce_getImageContext (retval);
+
+    CGContextDrawImage (ctx, CGRectMake (0.0f, 0.0f, CGImageGetWidth (image), CGImageGetHeight (image)), image);
+
+    return retval;
+}
 #endif

modules/juce_graphics/native/juce_mac_CoreGraphicsHelpers.h

@@ -55,3 +55,7 @@ namespace
 
 extern CGImageRef juce_createCoreGraphicsImage (const Image&, CGColorSpaceRef, bool mustOutliveSource);
 extern CGContextRef juce_getImageContext (const Image&);
+
+#if JUCE_IOS
+extern Image juce_createImageFromUIImage (UIImage*);
+#endif

modules/juce_graphics/native/juce_mac_IconHelpers.cpp

@@ -0,0 +1,135 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+Image getIconFromIcnsFile (const File& icnsFile, const int size)
+{
+    FileInputStream stream (icnsFile);
+    if (! stream.openedOk())
+        return {};
+
+    const int numHeaderSectionBytes = 4;
+    char headerSection [numHeaderSectionBytes];
+
+    if (stream.read (headerSection, numHeaderSectionBytes) != numHeaderSectionBytes
+          || headerSection[0] != 'i'
+          || headerSection[1] != 'c'
+          || headerSection[2] != 'n'
+          || headerSection[3] != 's')
+        return {};
+
+    if (stream.read (headerSection, numHeaderSectionBytes) != numHeaderSectionBytes)
+        return {};
+
+    const auto dataSize = juce::ByteOrder::bigEndianInt (headerSection);
+    if (dataSize <= 0)
+        return {};
+
+    OwnedArray<juce::ImageFileFormat> internalFormats;
+    internalFormats.add (new  PNGImageFormat());
+    internalFormats.add (new JPEGImageFormat());
+
+    Array<Image> images;
+    auto maxWidth = 0;
+    auto maxWidthIndex = -1;
+
+    while (stream.getPosition() < dataSize)
+    {
+        const auto sectionStart = stream.getPosition();
+
+        if (! stream.setPosition (sectionStart + 4))
+            break;
+
+        if (stream.read (headerSection, numHeaderSectionBytes) != numHeaderSectionBytes)
+            break;
+
+        const auto sectionSize = ByteOrder::bigEndianInt (headerSection);
+        if (sectionSize <= 0)
+            break;
+
+        const auto sectionDataStart = stream.getPosition();
+
+        for (auto* fmt : internalFormats)
+        {
+            if (fmt->canUnderstand (stream))
+            {
+                stream.setPosition (sectionDataStart);
+
+                images.add (fmt->decodeImage (stream));
+
+                const auto lastImageIndex = images.size() - 1;
+                const auto lastWidth = images.getReference (lastImageIndex).getWidth();
+                if (lastWidth > maxWidth)
+                {
+                    maxWidthIndex = lastImageIndex;
+                    maxWidth = lastWidth;
+                }
+            }
+
+            stream.setPosition (sectionDataStart);
+        }
+
+        stream.setPosition (sectionStart + sectionSize);
+    }
+
+    return maxWidthIndex == -1 ? juce::Image()
+                               : images.getReference (maxWidthIndex).rescaled (size, size, Graphics::ResamplingQuality::highResamplingQuality);
+}
+
+Image JUCE_API getIconFromApplication (const String& applicationPath, const int size)
+{
+    Image hostIcon;
+
+    if (CFStringRef pathCFString = CFStringCreateWithCString (kCFAllocatorDefault, applicationPath.toRawUTF8(), kCFStringEncodingUTF8))
+    {
+        if (CFURLRef url = CFURLCreateWithFileSystemPath (kCFAllocatorDefault, pathCFString, kCFURLPOSIXPathStyle, 1))
+        {
+            if (CFBundleRef appBundle = CFBundleCreate (kCFAllocatorDefault, url))
+            {
+                if (CFTypeRef infoValue = CFBundleGetValueForInfoDictionaryKey (appBundle, CFSTR("CFBundleIconFile")))
+                {
+                    if (CFGetTypeID (infoValue) == CFStringGetTypeID())
+                    {
+                        CFStringRef iconFilename = reinterpret_cast<CFStringRef> (infoValue);
+                        CFStringRef resourceURLSuffix = CFStringHasSuffix (iconFilename, CFSTR(".icns")) ? nullptr : CFSTR("icns");
+                        if (CFURLRef iconURL = CFBundleCopyResourceURL (appBundle, iconFilename, resourceURLSuffix, nullptr))
+                        {
+                            if (CFStringRef iconPath = CFURLCopyFileSystemPath (iconURL, kCFURLPOSIXPathStyle))
+                            {
+                                File icnsFile (CFStringGetCStringPtr (iconPath, CFStringGetSystemEncoding()));
+                                hostIcon = getIconFromIcnsFile (icnsFile, size);
+                                CFRelease (iconPath);
+                            }
+                            CFRelease (iconURL);
+                        }
+                    }
+                }
+                CFRelease (appBundle);
+            }
+            CFRelease (url);
+        }
+        CFRelease (pathCFString);
+    }
+
+    return hostIcon;
+}

modules/juce_graphics/native/juce_win32_IconHelpers.cpp

@@ -0,0 +1,28 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+Image JUCE_API getIconFromApplication (const String&, const int)
+{
+    return Image();
+}