feat: builds an extra aux interface driver

Useful when you need to have 2 instances of black hole audio driver instead of one, like they mentioned in the following discussion: * ExistentialAudio#64 (comment) Resources: * https://github.com/ExistentialAudio/BlackHole/wiki/Running-Multiple-BlackHole-Drivers
yuriteixeira · Feb 21, 2022 · 9df65a6 · 9df65a6
1 parent e68ef81
commit 9df65a6
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diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 xcuserdata/
-.DS_Store
+.DS_Store
+.idea
diff --git a/BlackHole.xcodeproj/project.pbxproj b/BlackHole.xcodeproj/project.pbxproj
@@ -7,21 +7,37 @@
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+		181F455427C38398001F1689 /* BlackHoleAux.driver */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = BlackHoleAux.driver; sourceTree = BUILT_PRODUCTS_DIR; };
+		181F455527C38398001F1689 /* BlackHoleAux-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "BlackHoleAux-Info.plist"; sourceTree = "<group>"; };
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@@ -33,6 +49,16 @@
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+			files = (
+				181F454927C38398001F1689 /* Accelerate.framework in Frameworks */,
+				181F454A27C38398001F1689 /* CoreAudio.framework in Frameworks */,
+				181F454B27C38398001F1689 /* CoreFoundation.framework in Frameworks */,
+			);
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@@ -49,6 +75,7 @@
 		2D616EF015B8C82500D598BD /* BlackHole */ = {
 			isa = PBXGroup;
 			children = (
+				181F455527C38398001F1689 /* BlackHoleAux-Info.plist */,
 				03FDCAD9233F235500101681 /* BlackHole.icns */,
 				2D616EF115B8C82500D598BD /* BlackHole-Info.plist */,
 				03FEA4BB233D27770005D277 /* BlackHole.h */,
@@ -62,7 +89,6 @@
 			children = (
 				2DA8FA1515FEAAB000F04B50 /* README.md */,
 				03FDCADB233FAE0500101681 /* LICENSE */,
-				039FF2572341B6E800400D7A /* CHANGELOG.md */,
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 				2D7477AB1578168D00412279 /* Frameworks */,
 				2D7477AA1578168D00412279 /* Products */,
@@ -73,6 +99,7 @@
 			isa = PBXGroup;
 			children = (
 				2D7477A91578168D00412279 /* BlackHole.driver */,
+				181F455427C38398001F1689 /* BlackHoleAux.driver */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -92,6 +119,23 @@
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
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+			buildConfigurationList = 181F455027C38398001F1689 /* Build configuration list for PBXNativeTarget "BlackHoleAux" */;
+			buildPhases = (
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+				181F454827C38398001F1689 /* Frameworks */,
+				181F454C27C38398001F1689 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = BlackHoleAux;
+			productName = AudioNULLDriver;
+			productReference = 181F455427C38398001F1689 /* BlackHoleAux.driver */;
+			productType = "com.apple.product-type.bundle";
+		};
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 			isa = PBXNativeTarget;
 			buildConfigurationList = 2D7477B51578168D00412279 /* Build configuration list for PBXNativeTarget "BlackHole" */;
@@ -103,6 +147,7 @@
 			buildRules = (
 			);
 			dependencies = (
+				181F455727C38C7D001F1689 /* PBXTargetDependency */,
 			);
 			name = BlackHole;
 			productName = AudioNULLDriver;
@@ -116,11 +161,6 @@
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 			attributes = {
 				LastUpgradeCheck = 1220;
-				TargetAttributes = {
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@@ -136,24 +176,41 @@
 			projectRoot = "";
 			targets = (
 				2D7477A81578168D00412279 /* BlackHole */,
+				181F454527C38398001F1689 /* BlackHoleAux */,
 			);
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 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXResourcesBuildPhase section */
 
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+			files = (
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@@ -164,7 +221,78 @@
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 /* End PBXSourcesBuildPhase section */
 
+/* Begin PBXTargetDependency section */
+		181F455727C38C7D001F1689 /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			target = 181F454527C38398001F1689 /* BlackHoleAux */;
+			targetProxy = 181F455627C38C7D001F1689 /* PBXContainerItemProxy */;
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+/* End PBXTargetDependency section */
+
 /* Begin XCBuildConfiguration section */
+		181F455127C38398001F1689 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				DEVELOPMENT_TEAM = "";
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"DEBUG=0",
+					"IS_AUX=1",
+				);
+				INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHoleAux-Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MARKETING_VERSION = 0.3.0;
+				PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole2ch;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = driver;
+			};
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+		};
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+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				DEVELOPMENT_TEAM = "";
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"DEBUG=1",
+					"IS_AUX=1",
+				);
+				INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHoleAux-Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MARKETING_VERSION = 0.3.0;
+				PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole2ch;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = driver;
+			};
+			name = Debug;
+		};
+		181F455327C38398001F1689 /* Debug-Opt */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				DEVELOPMENT_TEAM = "";
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"$(inherited)",
+					"DEBUG=1",
+					"IS_AUX=1",
+				);
+				INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHoleAux-Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
+				MARKETING_VERSION = 0.3.0;
+				PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole2ch;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = driver;
+			};
+			name = "Debug-Opt";
+		};
 		2D7477A21578162B00412279 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -330,15 +458,16 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_WEAK = YES;
-				DEVELOPMENT_TEAM = Q5C99V536K;
+				DEVELOPMENT_TEAM = "";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					"DEBUG=0",
+					"IS_AUX=0",
 				);
 				INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHole-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
-				MARKETING_VERSION = 0.3.0;
+				MARKETING_VERSION = 0.4.0;
 				PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole2ch;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = driver;
@@ -350,15 +479,16 @@
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_WEAK = YES;
-				DEVELOPMENT_TEAM = Q5C99V536K;
+				DEVELOPMENT_TEAM = "";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					"DEBUG=1",
+					"IS_AUX=0",
 				);
 				INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHole-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
-				MARKETING_VERSION = 0.3.0;
+				MARKETING_VERSION = 0.4.0;
 				PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole2ch;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = driver;
@@ -370,15 +500,16 @@
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 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ENABLE_OBJC_WEAK = YES;
-				DEVELOPMENT_TEAM = Q5C99V536K;
+				DEVELOPMENT_TEAM = "";
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					"DEBUG=1",
+					"IS_AUX=0",
 				);
 				INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHole-Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
-				MARKETING_VERSION = 0.3.0;
+				MARKETING_VERSION = 0.4.0;
 				PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole2ch;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = driver;
@@ -388,6 +519,16 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
+		181F455027C38398001F1689 /* Build configuration list for PBXNativeTarget "BlackHoleAux" */ = {
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+			buildConfigurations = (
+				181F455127C38398001F1689 /* Release */,
+				181F455227C38398001F1689 /* Debug */,
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+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
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 			isa = XCConfigurationList;
 			buildConfigurations = (

diff --git a/BlackHole.xcodeproj/xcshareddata/xcschemes/BlackHoleAux.xcscheme b/BlackHole.xcodeproj/xcshareddata/xcschemes/BlackHoleAux.xcscheme
@@ -0,0 +1,67 @@
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+   version = "1.3">
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+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "181F454527C38398001F1689"
+               BuildableName = "BlackHoleAux.driver"
+               BlueprintName = "BlackHoleAux"
+               ReferencedContainer = "container:BlackHole.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
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+   <LaunchAction
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+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
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+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "181F454527C38398001F1689"
+            BuildableName = "BlackHoleAux.driver"
+            BlueprintName = "BlackHoleAux"
+            ReferencedContainer = "container:BlackHole.xcodeproj">
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+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
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