Example of ArtTimecode publishing using UDP

Timecode Display.xcodeproj/project.pbxproj

@@ -33,6 +33,8 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		42426FBE2A3866C800D87E93 /* CocoaAsyncSocket.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = CocoaAsyncSocket.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		42C7EBCE2A38B49B005E7730 /* CocoaAsyncSocket.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = CocoaAsyncSocket.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		9829C93429B91C3200156461 /* Timecode Display.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "Timecode Display.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		9829C93729B91C3200156461 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		9829C93929B91C3300156461 /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
@@ -57,11 +59,20 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		85582DA569CC3830D32E1076 /* Pods */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			path = Pods;
+			sourceTree = "<group>";
+		};
 		9829C92B29B91C3200156461 = {
 			isa = PBXGroup;
 			children = (
 				9829C93629B91C3200156461 /* Timecode Display */,
 				9829C93529B91C3200156461 /* Products */,
+				85582DA569CC3830D32E1076 /* Pods */,
+				D7F912904332858EC72210C1 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -89,6 +100,15 @@
 			path = "Timecode Display";
 			sourceTree = "<group>";
 		};
+		D7F912904332858EC72210C1 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				42C7EBCE2A38B49B005E7730 /* CocoaAsyncSocket.framework */,
+				42426FBE2A3866C800D87E93 /* CocoaAsyncSocket.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -118,7 +138,7 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 1410;
-				LastUpgradeCheck = 1410;
+				LastUpgradeCheck = 1430;
 				TargetAttributes = {
 					9829C93329B91C3200156461 = {
 						CreatedOnToolsVersion = 14.1;
@@ -215,6 +235,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@@ -275,6 +296,7 @@
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -301,10 +323,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = "Timecode Display/Timecode_Display.entitlements";
+				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 19999;
-				DEVELOPMENT_TEAM = 7672N4CCJM;
+				DEAD_CODE_STRIPPING = YES;
+				DEVELOPMENT_TEAM = 4KB97DBP5J;
 				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -318,9 +343,11 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = "$(RECOMMENDED_MACOSX_DEPLOYMENT_TARGET)";
 				MARKETING_VERSION = 2.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.figure53.Timecode-Display";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 			};
@@ -332,10 +359,13 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_ENTITLEMENTS = "Timecode Display/Timecode_Display.entitlements";
+				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 19999;
-				DEVELOPMENT_TEAM = 7672N4CCJM;
+				DEAD_CODE_STRIPPING = YES;
+				DEVELOPMENT_TEAM = 4KB97DBP5J;
 				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -349,9 +379,11 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = "$(RECOMMENDED_MACOSX_DEPLOYMENT_TARGET)";
 				MARKETING_VERSION = 2.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.figure53.Timecode-Display";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
 			};

Timecode Display/Base.lproj/MainMenu.xib

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="21507" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="21701" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="21507"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="21701"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -123,7 +123,7 @@
             <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES" utility="YES" HUD="YES"/>
             <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
             <rect key="contentRect" x="1209" y="834" width="355" height="106"/>
-            <rect key="screenRect" x="0.0" y="0.0" width="1728" height="1079"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2056" height="1285"/>
             <view key="contentView" id="LEA-bi-bNV">
                 <rect key="frame" x="0.0" y="0.0" width="355" height="106"/>
                 <autoresizingMask key="autoresizingMask"/>
@@ -149,7 +149,7 @@
             <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES" utility="YES" HUD="YES"/>
             <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
             <rect key="contentRect" x="1087" y="168" width="480" height="270"/>
-            <rect key="screenRect" x="0.0" y="0.0" width="1728" height="1079"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2056" height="1285"/>
             <value key="minSize" type="size" width="240" height="100"/>
             <view key="contentView" id="Ar4-u8-qMF">
                 <rect key="frame" x="0.0" y="0.0" width="480" height="270"/>
@@ -159,7 +159,7 @@
                         <rect key="frame" x="0.0" y="0.0" width="480" height="270"/>
                         <clipView key="contentView" drawsBackground="NO" id="Dce-cQ-jH5">
                             <rect key="frame" x="0.0" y="0.0" width="480" height="270"/>
-                            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                            <autoresizingMask key="autoresizingMask"/>
                             <subviews>
                                 <textView wantsLayer="YES" importsGraphics="NO" richText="NO" verticallyResizable="YES" smartInsertDelete="YES" id="4pt-Um-hYX">
                                     <rect key="frame" x="0.0" y="0.0" width="480" height="270"/>

Timecode Display/TimecodeAnalyzer.swift

@@ -6,41 +6,136 @@
 //
 
 import AppKit
+import Foundation
+import Network
+import SystemConfiguration
 
 class TimecodeAnalyzer: MIDIReceiverDelegate {
     private var timeLastFrameReceived: TimeInterval?
     private var lastReceivedTimecode: F53Timecode?
     private var freewheelTimer: Timer?
-
-    func midiReceiver(_ sender: MIDIReceiver, didReceive timecode: F53Timecode) {
-        let now = NSDate.timeIntervalSinceReferenceDate
-        let timecodeString = timecode.stringRepresentation
-        let framerateString = timecode.framerate.speedAgnosticDescription
-        let appDelegate = NSApp.delegate as! AppDelegate
+    private let targetIPAddress = "172.20.102.255" // Replace with the IP address of your Art-Net device
+    private let targetPort: UInt16 = 6454 // Replace with the port number of your Art-Net device
+        private var udpConnection: NWConnection?
+
+        init() {
+            setupUDPConnection()
+        }
+
+        func setupUDPConnection() {
+            let udpParameters = NWParameters.udp
+            udpParameters.allowLocalEndpointReuse = true // Allow multiple connections to use the same port
+
+            // Create a broadcast endpoint
+            let endpoint = NWEndpoint.hostPort(host: .ipv4(IPv4Address(targetIPAddress)!), port: NWEndpoint.Port(rawValue: targetPort)!)
+
+            udpConnection = NWConnection(to: endpoint, using: udpParameters)
+
+            udpConnection?.stateUpdateHandler = { [weak self] newState in
+                switch newState {
+                case .ready:
+                    print("UDP connection established")
+                case .failed(let error):
+                    print("UDP connection failed: \(error)")
+                default:
+                    break
+                }
+            }
+
+            udpConnection?.start(queue: DispatchQueue.main)
+        }
+
+        func midiReceiver(_ sender: MIDIReceiver, didReceive timecode: F53Timecode) {
+            let now = NSDate.timeIntervalSinceReferenceDate
+            let timecodeString = timecode.stringRepresentation
+            let framerateString = timecode.framerate.speedAgnosticDescription
+            let appDelegate = NSApp.delegate as! AppDelegate
 
-        // Test for new starts or discontinuities
-        if timeLastFrameReceived == nil || now - timeLastFrameReceived! > 0.1 {
-            // It's been long enough that this is a new start.
-            appDelegate.appendLog("MTC start at \(timecodeString) - \(framerateString)")
-        } else {
-            if let lastReceivedTimecode, timecode.framesFromZero != lastReceivedTimecode.framesFromZero + 1 {
-                appDelegate.appendLog("MTC discontinuity - from \(lastReceivedTimecode.stringRepresentation) to \(timecodeString)")
+            // Test for new starts or discontinuities
+            if timeLastFrameReceived == nil || now - timeLastFrameReceived! > 0.1 {
+                // It's been long enough that this is a new start.
+                appDelegate.appendLog("MTC start at \(timecodeString) - \(framerateString)")
+            } else {
+                if let lastReceivedTimecode = lastReceivedTimecode, timecode.framesFromZero != lastReceivedTimecode.framesFromZero + 1 {
+                    appDelegate.appendLog("MTC discontinuity - from \(lastReceivedTimecode.stringRepresentation) to \(timecodeString)")
+                }
             }
+
+            // Convert MIDI timecode to Art-Net timecode
+            let artnetTimecode = convertToArtNetTimecode(timecode)
+
+            // Send Art-Net timecode via UDP
+            sendArtNetTimecode(artnetTimecode)
+
+            // Show in timecode window
+            appDelegate.timecodeView.stringValue = timecode.stringRepresentation
+
+            // Freewheel
+            freewheelTimer?.invalidate()
+            freewheelTimer = Timer.scheduledTimer(withTimeInterval: 0.2, repeats: false, block: { timer in
+                appDelegate.appendLog("MTC stop at \(timecodeString)")
+                self.timeLastFrameReceived = nil
+                self.lastReceivedTimecode = nil
+                appDelegate.reserReceiver()
+            })
+
+            lastReceivedTimecode = timecode
+            timeLastFrameReceived = now
         }
 
-        // Show in timecode window
-        appDelegate.timecodeView.stringValue = timecode.stringRepresentation
+    private func convertToArtNetTimecode(_ midiTimecode: F53Timecode) -> Data {
+        // Create an Art-Net timecode packet
+        var packet: [UInt8] = [
+            // Art-Net ID
+            0x41, 0x72, 0x74, 0x2D, 0x4E, 0x65, 0x74, 0x00,
+            // ArtTimecode OpCode
+            0x00, 0x97,
+            // ProtVer
+            0x00, 0x0E,
+            // Filler1-2
+            0x00, 0x00,
+            // ArtTimeCode
+            0x00, // Frames
+            0x00, // Seonds
+            0x00, // Minutes
+            0x00, // Hours
+            0x00, // Type Frame rate (0 = 24fps, 1 = 25fps, 2 = 30fps, 3 = 29.97fps)
+        ]
+
+        // Set the hours, minutes, seconds, and frames based on the MIDI timecode
+        packet[14] = UInt8(midiTimecode.ff)
+        packet[15] = UInt8(midiTimecode.ss)
+        packet[16] = UInt8(midiTimecode.mm)
+        packet[17] = UInt8(midiTimecode.hh)
 
-        // Freewheel
-        freewheelTimer?.invalidate()
-        freewheelTimer = Timer.scheduledTimer(withTimeInterval: 0.2, repeats: false, block: { timer in
-            appDelegate.appendLog("MTC stop at \(timecodeString)")
-            self.timeLastFrameReceived = nil
-            self.lastReceivedTimecode = nil
-            appDelegate.reserReceiver()
-        })
+        // Set the frame rate based on the MIDI timecode frame rate
+        let frameRate: UInt8
+        switch midiTimecode.framerate {
+        case ._24:
+            frameRate = 0x00
+        case ._25:
+            frameRate = 0x01
+        case ._30nd:
+            frameRate = 0x02
+        case ._2997nd:
+            frameRate = 0x03
+        default:
+            frameRate = 0x00
+        }
+        packet[18] = frameRate
 
-        lastReceivedTimecode = timecode
-        timeLastFrameReceived = now
+        // Convert the packet to Data
+        let packetData = Data(packet)
+        return packetData
+    }
+
+        private func sendArtNetTimecode(_ timecode: Data) {
+            udpConnection?.send(content: timecode, completion: .contentProcessed { error in
+                if let error = error {
+                    print("Failed to send Art-Net timecode: \(error)")
+                } else {
+                    print("Art-Net timecode sent successfully")
+                }
+            })
+        }
     }
-}

Timecode Display/Timecode_Display.entitlements

@@ -2,9 +2,13 @@
 <!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/>
-    <key>com.apple.security.files.user-selected.read-only</key>
-    <true/>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-only</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
 </dict>
 </plist>