From 6e172484f86f20dba49fb4916c4baf4a4fce4970 Mon Sep 17 00:00:00 2001
From: administrator <info@dimedtec.de>
Date: Mon, 11 May 2026 16:52:50 +0200
Subject: [PATCH] Startup: libVLC-Init auf Background-Thread, kein UI-Freeze
 beim Start

---
 MainWindow.xaml.cs | 45 +++++++++++++++++++++++++--------------------
 1 file changed, 25 insertions(+), 20 deletions(-)

diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index e0ee5b0..4de349b 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -104,28 +104,17 @@ public partial class MainWindow : Window
 
     private async void MainWindow_Loaded(object sender, RoutedEventArgs e)
     {
-        InitializePlayer();
+        // Core.Initialize lädt libVLC-Natives (~5-10s) und blockiert sonst den UI-Thread.
+        // Natives auf Background-Thread, UI-Zuweisung (VideoView) danach auf UI-Thread.
+        await Task.Run(InitializePlayerNatives);
+        InitializePlayerUi();
         await LoadChannelsAsync();
         RestoreLastChannel();
-
-        // EPG im Hintergrund laden — wird für "Danach"-Anzeige und EPG-Overlay gebraucht
         _ = LoadEpgInBackgroundAsync();
     }
 
-    private async Task LoadEpgInBackgroundAsync()
-    {
-        if (_epgService.IsCurrent) return;
-        try
-        {
-            await _epgService.LoadAsync();
-            // Nach EPG-Load: "Danach" für aktuellen Sender setzen
-            if (_currentChannel != null)
-                Dispatcher.BeginInvoke(() => UpdateNextFromEpgService(_currentChannel));
-        }
-        catch { }
-    }
-
-    private void InitializePlayer()
+    /// <summary>Schritt 1 (Background-Thread): libVLC-Natives laden. Kein UI-Zugriff.</summary>
+    private void InitializePlayerNatives()
     {
         var exeDir = Path.GetDirectoryName(
             System.Reflection.Assembly.GetExecutingAssembly().Location)!;
@@ -139,12 +128,28 @@ public partial class MainWindow : Window
             "--no-video-title-show",
             "--no-osd",
             "--no-snapshot-preview",
-            "--rtsp-tcp"             // RTP over TCP: stabilere Sessions, vermeidet UDP-Routing-Kollisionen
-                                     // wenn mehrere Instanzen parallel auf die gleiche FritzBox zugreifen
+            "--rtsp-tcp"
         );
         _player = new MediaPlayer(_libVLC);
+        _player.Volume = (int)SldVolume.Value;  // Value-Lesen ist thread-safe (DependencyProperty)
+    }
+
+    /// <summary>Schritt 2 (UI-Thread): MediaPlayer an VideoView binden.</summary>
+    private void InitializePlayerUi()
+    {
         VideoView.MediaPlayer = _player;
-        _player.Volume = (int)SldVolume.Value;
+    }
+
+    private async Task LoadEpgInBackgroundAsync()
+    {
+        if (_epgService.IsCurrent) return;
+        try
+        {
+            await _epgService.LoadAsync();
+            if (_currentChannel != null)
+                Dispatcher.BeginInvoke(() => UpdateNextFromEpgService(_currentChannel));
+        }
+        catch { }
     }
 
     private void MainWindow_Closing(object? sender, CancelEventArgs e)