dimedtec/HomeStream
1
0
Fork 0
Code Issues Pull requests Projects Releases 3 Packages Wiki Activity Actions

Fix: SldVolume vor Task.Run lesen - kein Cross-Thread DependencyObject Zugriff

Browse source
This commit is contained in:
administrator 2026-05-11 16:54:50 +02:00
parent 6e172484f8
commit ab1954e28c
1 changed files with 7 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

19
MainWindow.xaml.cs
View file

@ -105,16 +105,17 @@ public partial class MainWindow : Window
private async void MainWindow_Loaded(object sender, RoutedEventArgs e) private async void MainWindow_Loaded(object sender, RoutedEventArgs e)
{ {
// Core.Initialize lädt libVLC-Natives (~5-10s) und blockiert sonst den UI-Thread. // Core.Initialize lädt libVLC-Natives (~5-10s) und blockiert sonst den UI-Thread.
// Natives auf Background-Thread, UI-Zuweisung (VideoView) danach auf UI-Thread. // Volume vorab auf UI-Thread lesen, dann Natives auf Background-Thread initialisieren.
await Task.Run(InitializePlayerNatives); var initialVolume = (int)SldVolume.Value;
InitializePlayerUi(); await Task.Run(() => InitializePlayerNatives(initialVolume));
VideoView.MediaPlayer = _player; // UI-Zuweisung auf UI-Thread
await LoadChannelsAsync(); await LoadChannelsAsync();
RestoreLastChannel(); RestoreLastChannel();
_ = LoadEpgInBackgroundAsync(); _ = LoadEpgInBackgroundAsync();
} }
/// <summary>Schritt 1 (Background-Thread): libVLC-Natives laden. Kein UI-Zugriff.</summary> /// <summary>Background-Thread: libVLC-Natives laden. Kein UI-Zugriff.</summary>
private void InitializePlayerNatives() private void InitializePlayerNatives(int initialVolume)
{ {
var exeDir = Path.GetDirectoryName( var exeDir = Path.GetDirectoryName(
System.Reflection.Assembly.GetExecutingAssembly().Location)!; System.Reflection.Assembly.GetExecutingAssembly().Location)!;
@ -131,13 +132,7 @@ public partial class MainWindow : Window
"--rtsp-tcp" "--rtsp-tcp"
); );
_player = new MediaPlayer(_libVLC); _player = new MediaPlayer(_libVLC);
_player.Volume = (int)SldVolume.Value; // Value-Lesen ist thread-safe (DependencyProperty) _player.Volume = initialVolume;
}
/// <summary>Schritt 2 (UI-Thread): MediaPlayer an VideoView binden.</summary>
private void InitializePlayerUi()
{
VideoView.MediaPlayer = _player;
} }
private async Task LoadEpgInBackgroundAsync() private async Task LoadEpgInBackgroundAsync()