add udpserver

switch to hevc in videotoolbox
move capturevideopreview to its own file
reorg

Scream.xcodeproj/project.pbxproj

@@ -8,6 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		A94E29F72F09B569006E583D /* ScreamPacket.swift in Sources */ = {isa = PBXBuildFile; fileRef = A94E29F62F09B569006E583D /* ScreamPacket.swift */; };
+		A98010132F50D19D00A58EF7 /* UDPServer.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98010122F50D19D00A58EF7 /* UDPServer.swift */; };
+		A98010152F50D9B100A58EF7 /* CaptureVideoPreview.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98010142F50D9B100A58EF7 /* CaptureVideoPreview.swift */; };
 		A98E8BF02F05B2A0006D4458 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = A98E8BEB2F05B2A0006D4458 /* AppDelegate.swift */; };
 		A98E8BF12F05B2A0006D4458 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = A98E8BEC2F05B2A0006D4458 /* Assets.xcassets */; };
 		A98E8BF22F05B2A0006D4458 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = A98E8BEE2F05B2A0006D4458 /* MainMenu.xib */; };
@@ -38,6 +40,8 @@
 
 /* Begin PBXFileReference section */
 		A94E29F62F09B569006E583D /* ScreamPacket.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScreamPacket.swift; sourceTree = "<group>"; };
+		A98010122F50D19D00A58EF7 /* UDPServer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UDPServer.swift; sourceTree = "<group>"; };
+		A98010142F50D9B100A58EF7 /* CaptureVideoPreview.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CaptureVideoPreview.swift; sourceTree = "<group>"; };
 		A98E8BC02F05B26B006D4458 /* Scream.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Scream.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		A98E8BCE2F05B26D006D4458 /* ScreamTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ScreamTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		A98E8BD82F05B26D006D4458 /* ScreamUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = ScreamUITests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -81,9 +85,7 @@
 		A98E8BB72F05B26B006D4458 = {
 			isa = PBXGroup;
 			children = (
-				A94E29F62F09B569006E583D /* ScreamPacket.swift */,
 				A9D722602F07304C00050BB0 /* Config.xcconfig */,
-				A9D7225E2F070FE600050BB0 /* CaptureEngine.swift */,
 				A98E8BEF2F05B2A0006D4458 /* Scream */,
 				A98E8BF42F05B2A2006D4458 /* ScreamTests */,
 				A98E8BF82F05B2A5006D4458 /* ScreamUITests */,
@@ -109,6 +111,10 @@
 				A98E8BEC2F05B2A0006D4458 /* Assets.xcassets */,
 				A98E8BEE2F05B2A0006D4458 /* MainMenu.xib */,
 				A98E8BFC2F05D28D006D4458 /* ScreenRecorder.swift */,
+				A98010122F50D19D00A58EF7 /* UDPServer.swift */,
+				A9D7225E2F070FE600050BB0 /* CaptureEngine.swift */,
+				A94E29F62F09B569006E583D /* ScreamPacket.swift */,
+				A98010142F50D9B100A58EF7 /* CaptureVideoPreview.swift */,
 			);
 			path = Scream;
 			sourceTree = "<group>";
@@ -272,6 +278,8 @@
 				A98E8BF02F05B2A0006D4458 /* AppDelegate.swift in Sources */,
 				A9D7225F2F070FE600050BB0 /* CaptureEngine.swift in Sources */,
 				A98E8BFD2F05D28D006D4458 /* ScreenRecorder.swift in Sources */,
+				A98010132F50D19D00A58EF7 /* UDPServer.swift in Sources */,
+				A98010152F50D9B100A58EF7 /* CaptureVideoPreview.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Scream/AppDelegate.swift

@@ -10,6 +10,7 @@ import Cocoa
 @main
 class AppDelegate: NSObject, NSApplicationDelegate {
 	let sr = ScreenRecorder()
+	let udpserver = UDPServerImplementation(port: 03067)
 
 	@IBOutlet var window: NSWindow!
 
@@ -18,6 +19,9 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 			await sr.start()
 		}
 	}
+	@IBAction func Button2(_ sender: Any) {
+		udpserver.start()
+	}
 	
 	func applicationDidFinishLaunching(_ aNotification: Notification) {
 		// Insert code here to initialize your application
@@ -25,6 +29,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 		preview.frame.size = window.contentView!.frame.size
 		window.contentView?.addSubview(preview)
 		Button(self)
+		Button2(self)
 	}
 
 	func applicationWillTerminate(_ aNotification: Notification) {
@@ -34,19 +39,4 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 	func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
 		return true
 	}
-
-
-}
-
-class CaptureVideoPreview: NSView {
-	init(layer: CALayer) {
-		super.init(frame: .zero)
-		wantsLayer = true
-		self.layer = layer
-		layer.autoresizingMask = [.layerWidthSizable, .layerHeightSizable]
-	}
-	
-	required init?(coder: NSCoder) {
-		fatalError()
-	}
 }

Scream/CaptureEngine.swift

@@ -42,7 +42,7 @@ class CaptureEngine: NSObject {
 			allocator: kCFAllocatorDefault,
 			width: 3200,
 			height: 1800,
-			codecType: kCMVideoCodecType_H264,
+			codecType: kCMVideoCodecType_HEVC,
 			encoderSpecification: videoEncoderSpec,
 			imageBufferAttributes: sourceImageBufferAttrs,
 			compressedDataAllocator: nil,
@@ -71,7 +71,7 @@ class CaptureEngine: NSObject {
 													frameProperties: nil,
 													infoFlagsOut: nil
 					) { status, infoFlags, sampleBuffer in
-						print()
+//						print()
 						
 					}
 //													outputHandler: self.outputHandler)
@@ -144,7 +144,7 @@ class CaptureEngine: NSObject {
 		err = VTSessionSetProperty(session, key: kVTCompressionPropertyKey_ExpectedFrameRate, value: expectedFrameRate as CFNumber)
 		if err != noErr { print("failed to set to framerte \(err)") }
 
-		err = VTSessionSetProperty(session, key: kVTCompressionPropertyKey_ProfileLevel, value: kVTProfileLevel_H264_Main_AutoLevel)
+		err = VTSessionSetProperty(session, key: kVTCompressionPropertyKey_ProfileLevel, value: kVTProfileLevel_HEVC_Main_AutoLevel)
 		if err != noErr { print("failed to set to profile level \(err)") }
 		
 		err = VTSessionSetProperty(session, key: kVTCompressionPropertyKey_AverageBitRate, value: 10 as CFNumber)

Scream/CaptureVideoPreview.swift

@@ -0,0 +1,22 @@
+//
+//  CaptureVideoPreview.swift
+//  Scream
+//
+//  Created by neon443 on 26/02/2026.
+//
+
+import Foundation
+import Cocoa
+
+class CaptureVideoPreview: NSView {
+	init(layer: CALayer) {
+		super.init(frame: .zero)
+		wantsLayer = true
+		self.layer = layer
+		layer.autoresizingMask = [.layerWidthSizable, .layerHeightSizable]
+	}
+	
+	required init?(coder: NSCoder) {
+		fatalError()
+	}
+}

Scream/UDPServer.swift

@@ -0,0 +1,62 @@
+//
+//  UDPServer.swift
+//  Scream
+//
+//  Created by neon443 on 26/02/2026.
+//
+
+import Foundation
+import Network
+
+final class UDPServerImplementation: Sendable {
+	private let connectionListener: NWListener
+	
+	//init a udp server at x port
+	init(port: UInt16) {
+		connectionListener = try! NWListener(
+			using: .udp,
+			on: NWEndpoint.Port(integerLiteral: port)
+		)
+		
+		connectionListener.newConnectionHandler = { [weak self] connection in
+			connection.start(queue: .global())
+			self?.receive(on: connection)
+		}
+		
+		connectionListener.stateUpdateHandler = { state in
+			print("state: \(state)")
+		}
+	}
+}
+
+protocol UDPServer {
+	func start()
+	func stop()
+}
+
+extension UDPServerImplementation: UDPServer {
+	func start() {
+		connectionListener.start(queue: .global())
+		print("server started")
+	}
+	
+	func stop() {
+		connectionListener.cancel()
+		print("server stoped")
+	}
+}
+
+private extension UDPServerImplementation {
+	func receive(on connection: NWConnection) {
+		connection.receiveMessage { data, contentContext, isComplete, error in
+			if let error {
+				print("error \(error)")
+			}
+			
+			if let data, 
+			   let message = String(data: data, encoding: .utf8) {
+				print(message)
+			}
+		}
+	}
+}