Fix mirroring port leak causing reconnection failure and reduce ffplay latency

Co-authored-by: YimingZhanshen <76594627+YimingZhanshen@users.noreply.github.com>

Author: Copilot

AirPlay/Listeners/Bases/BaseTcpListener.cs

@@ -42,6 +42,7 @@ public override Task StartAsync(CancellationToken cancellationToken)
         public override Task StopAsync()
         {
             _cancellationTokenSource.Cancel();
+            try { _listener.Stop(); } catch { }
             return Task.CompletedTask;
         }
 
@@ -59,17 +60,23 @@ private async Task AcceptClientsAsync(CancellationToken cancellationToken)
         {
             _listener.Start();
 
-            while (!cancellationToken.IsCancellationRequested)
+            try
             {
-                var client = await _listener.AcceptTcpClientAsync().ConfigureAwait(false);
-                var task = HandleClientAsync(client, cancellationToken);
-
-                var remoteEndpoint = client.Client.RemoteEndPoint.ToString();
-                if (!_connections.TryAdd(remoteEndpoint, task))
+                while (!cancellationToken.IsCancellationRequested)
                 {
-                    client.Close();
+                    var client = await _listener.AcceptTcpClientAsync().ConfigureAwait(false);
+                    var task = HandleClientAsync(client, cancellationToken);
+
+                    var remoteEndpoint = client.Client.RemoteEndPoint.ToString();
+                    if (!_connections.TryAdd(remoteEndpoint, task))
+                    {
+                        client.Close();
+                    }
                 }
             }
+            catch (ObjectDisposedException) { }
+            catch (InvalidOperationException) { }
+            catch (System.Net.Sockets.SocketException) { }
         }
 
         private async Task HandleClientAsync(TcpClient client, CancellationToken cancellationToken)

AirPlay/Services/VideoOutputService.cs

@@ -139,14 +139,14 @@ private void LaunchFfplay(string pipePath)
                 if (ffplayPath == null)
                 {
                     Console.WriteLine("ffplay not found. Please ensure ffplay is in the application directory or PATH.");
-                    Console.WriteLine($"  You can manually connect with: ffplay -f h264 -probesize 2048000 -fflags nobuffer -flags low_delay -framedrop {pipePath}");
+                    Console.WriteLine($"  You can manually connect with: ffplay -f h264 -probesize 32768 -analyzeduration 1000000 -fflags nobuffer -flags low_delay -framedrop {pipePath}");
                     return;
                 }
 
                 var psi = new ProcessStartInfo
                 {
                     FileName = ffplayPath,
-                    Arguments = $"-f h264 -probesize 2048000 -fflags nobuffer -flags low_delay -framedrop \"{pipePath}\"",
+                    Arguments = $"-f h264 -probesize 32768 -analyzeduration 1000000 -fflags nobuffer -flags low_delay -framedrop \"{pipePath}\"",
                     UseShellExecute = false,
                     CreateNoWindow = false
                 };
@@ -160,7 +160,7 @@ private void LaunchFfplay(string pipePath)
             catch (Exception ex)
             {
                 Console.WriteLine($"Failed to launch ffplay: {ex.Message}");
-                Console.WriteLine($"  You can manually connect with: ffplay -f h264 -probesize 2048000 -fflags nobuffer -flags low_delay -framedrop {pipePath}");
+                Console.WriteLine($"  You can manually connect with: ffplay -f h264 -probesize 32768 -analyzeduration 1000000 -fflags nobuffer -flags low_delay -framedrop {pipePath}");
             }
         }