First of all, I tried MobileVLCKit but there is too much delay Then I wrote a UDPManager class and I am writing my codes below. I would be very happy if anyone has information and wants to direct me. Broadcast code ffmpeg -f avfoundation -video_size 1280x720 -framerate 30 -i "0" -c:v libx264 -preset medium -tune zerolatency -f mpegts "udp://127.0.0.1:6000?pkt_size=1316" Live View Code (almost 0 delay) ffplay -fflags nobuffer -flags low_delay -probesize 32 -analyzeduration 1 -strict experimental -framedrop -f mpegts -vf setpts=0 udp://127.0.0.1:6000 OR mpv udp://127.0.0.1:6000 --no-cache --untimed --no-demuxer-thread --vd-lavc-threads=1 UDPManager import Foundation import AVFoundation import CoreMedia import VideoDecoder import SwiftUI import Network import Combine import CocoaAsyncSocket import VideoToolbox class UDPManager: NSObject, ObservableObject, GCDAsyncUdpSocketDelegate { private let host: String private let port: UInt16 private var socket: GCDAsyncUdpSocket? @Published var videoOutput: CMSampleBuffer? init(host: String, port: UInt16) { self.host = host self.port = port } func connectUDP() { do { socket = GCDAsyncUdpSocket(delegate: self, delegateQueue: .global()) //try socket?.connect(toHost: host, onPort: port) try socket?.bind(toPort: port) try socket?.enableBroadcast(true) try socket?.enableReusePort(true) try socket?.beginReceiving() } catch { print("UDP soketi oluşturma hatası: \(error)") } } func closeUDP() { socket?.close() } func udpSocket(_ sock: GCDAsyncUdpSocket, didConnectToAddress address: Data) { print("UDP Bağlandı.") } func udpSocket(_ sock: GCDAsyncUdpSocket, didNotConnect error: Error?) { print("UDP soketi bağlantı hatası: \(error?.localizedDescription ?? "Bilinmeyen hata")") } func udpSocket(_ sock: GCDAsyncUdpSocket, didReceive data: Data, fromAddress address: Data, withFilterContext filterContext: Any?) { if !data.isEmpty { DispatchQueue.main.async { self.videoOutput = self.createSampleBuffer(from: data) } } } func createSampleBuffer(from data: Data) -> CMSampleBuffer? { var blockBuffer: CMBlockBuffer? var status = CMBlockBufferCreateWithMemoryBlock( allocator: kCFAllocatorDefault, memoryBlock: UnsafeMutableRawPointer(mutating: (data as NSData).bytes), blockLength: data.count, blockAllocator: kCFAllocatorNull, customBlockSource: nil, offsetToData: 0, dataLength: data.count, flags: 0, blockBufferOut: &blockBuffer) if status != noErr { return nil } var sampleBuffer: CMSampleBuffer? let sampleSizeArray = [data.count] status = CMSampleBufferCreateReady( allocator: kCFAllocatorDefault, dataBuffer: blockBuffer, formatDescription: nil, sampleCount: 1, sampleTimingEntryCount: 0, sampleTimingArray: nil, sampleSizeEntryCount: 1, sampleSizeArray: sampleSizeArray, sampleBufferOut: &sampleBuffer) if status != noErr { return nil } return sampleBuffer } } I didn't know how to convert the data object to video, so I searched and found this code and wanted to try it func createSampleBuffer(from data: Data) -> CMSampleBuffer? { var blockBuffer: CMBlockBuffer? var status = CMBlockBufferCreateWithMemoryBlock( allocator: kCFAllocatorDefault, memoryBlock: UnsafeMutableRawPointer(mutating: (data as NSData).bytes), blockLength: data.count, blockAllocator: kCFAllocatorNull, customBlockSource: nil, offsetToData: 0, dataLength: data.count, flags: 0, blockBufferOut: &blockBuffer) if status != noErr { return nil } var sampleBuffer: CMSampleBuffer? let sampleSizeArray = [data.count] status = CMSampleBufferCreateReady( allocator: kCFAllocatorDefault, dataBuffer: blockBuffer, formatDescription: nil, sampleCount: 1, sampleTimingEntryCount: 0, sampleTimingArray: nil, sampleSizeEntryCount: 1, sampleSizeArray: sampleSizeArray, sampleBufferOut: &sampleBuffer) if status != noErr { return nil } return sampleBuffer } And I tried to make CMSampleBuffer a player but it just shows a white screen and doesn't work struct SampleBufferPlayerView: UIViewRepresentable { typealias UIViewType = UIView var sampleBuffer: CMSampleBuffer func makeUIView(context: Context) -> UIView { let view = UIView(frame: .zero) let displayLayer = AVSampleBufferDisplayLayer() displayLayer.videoGravity = .resizeAspectFill view.layer.addSublayer(displayLayer) context.coordinator.displayLayer = displayLayer return view } func updateUIView(_ uiView: UIView, context: Context) { context.coordinator.sampleBuffer = sampleBuffer context.coordinator.updateSampleBuffer() } func makeCoordinator() -> Coordinator { Coordinator() } class Coordinator { var displayLayer: AVSampleBufferDisplayLayer? var sampleBuffer: CMSampleBuffer? func updateSampleBuffer() { guard let displayLayer = displayLayer, let sampleBuffer = sampleBuffer else { return } if displayLayer.isReadyForMoreMediaData { displayLayer.enqueue(sampleBuffer) } else { displayLayer.requestMediaDataWhenReady(on: .main) { if displayLayer.isReadyForMoreMediaData { displayLayer.enqueue(sampleBuffer) print("isReadyForMoreMediaData") } } } } } } And I tried to use it but I couldn't figure it out, can anyone help me? struct ContentView: View { // udp://@127.0.0.1:6000 @ObservedObject var udpManager = UDPManager(host: "127.0.0.1", port: 6000) var body: some View { VStack { if let buffer = udpManager.videoOutput{ SampleBufferDisplayLayerView(sampleBuffer: buffer) .frame(width: 300, height: 200) } } .onAppear(perform: { udpManager.connectUDP() }) } }

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