Added DVD Player Sample using Avalonia

LibVLCSharp.DVD/App.axaml

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+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             x:Class="LibVLCSharp.DVD.App"
+             RequestedThemeVariant="Default">
+             <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
+
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+</Application>

LibVLCSharp.DVD/App.axaml.cs

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+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+
+namespace LibVLCSharp.DVD;
+
+public partial class App : Application
+{
+    public override void Initialize()
+    {
+        AvaloniaXamlLoader.Load(this);
+    }
+
+    public override void OnFrameworkInitializationCompleted()
+    {
+        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            desktop.MainWindow = new MainWindow();
+        }
+
+        base.OnFrameworkInitializationCompleted();
+    }
+}

LibVLCSharp.DVD/LibVLCSharp.DVD.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.3.12" />
+    <PackageReference Include="Avalonia.Desktop" Version="11.3.12" />
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.12" />
+    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.12" />
+    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Include="Avalonia.Diagnostics" Version="11.3.12">
+      <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
+      <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="LibVLCSharp" Version="3.9.6" />
+    <PackageReference Include="LibVLCSharp.Avalonia" Version="3.9.6" />
+    <PackageReference Include="VideoLAN.LibVLC.Mac" Version="3.1.3.1" />
+    <PackageReference Include="VideoLAN.LibVLC.Windows" Version="3.0.23" />
+  </ItemGroup>
+</Project>

LibVLCSharp.DVD/MainWindow.axaml

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+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vlc="clr-namespace:LibVLCSharp.Avalonia;assembly=LibVLCSharp.Avalonia"
+        x:Class="LibVLCSharp.DVD.MainWindow"
+        Title="DVD Player - LibVLCSharp"
+        Width="900" Height="600"
+        MinWidth="640" MinHeight="480"
+        Background="#111111"
+        ExtendClientAreaToDecorationsHint="True"
+        ExtendClientAreaChromeHints="NoChrome"
+        ExtendClientAreaTitleBarHeightHint="-1">
+
+  <Grid RowDefinitions="Auto,*, Auto">
+
+     <Grid Grid.Row="0"
+          Background="#1a1a1a"
+          Height="36"
+          ColumnDefinitions="Auto,*,Auto">
+
+          <TextBlock Grid.Column="1"
+                     Text="DVD Player - LibVLCSharp"
+                     Foreground="#aaaaaa"
+                     FontSize="13"
+                     VerticalAlignment="Center"
+                     HorizontalAlignment="Center" />
+
+          <StackPanel Grid.Column="2"
+                      Orientation="Horizontal">
+                <Button Content="─"
+                      Click="OnMinimize"
+                      Width="46" Height="36"
+                      Background="Transparent"
+                      Foreground="White"
+                      BorderThickness="0"
+                      FontSize="14" />
+                <Button Content="□"
+                      Click="OnFullScreen"
+                      Width="46" Height="36"
+                      Background="Transparent"
+                      Foreground="White"
+                      BorderThickness="0"
+                      FontSize="14" />     
+                <Button Content="✕"
+                      Click="OnClose"
+                      Width="46" Height="36"
+                      Background="Transparent"
+                      Foreground="White"
+                      BorderThickness="0"
+                      FontSize="14" />
+          </StackPanel>
+     </Grid>
+
+
+      <vlc:VideoView x:Name="VideoView" Grid.Row="1" />
+
+      <!-- Bottom control bar -->
+      <Border Grid.Row="2"
+              Background="#1a1a1a"
+              BorderBrush="#333333"
+              BorderThickness="0,1,0,0"
+              Padding="12,4">
+            <Grid RowDefinitions="Auto,Auto">
+
+               <Slider Grid.Row="0"
+                       x:Name="TimeSlider"
+                       Minimum="0" Maximum="100" Value="0"
+                       Margin="0,0,0,8"/>
+
+
+               <Grid Grid.Row="1" ColumnDefinitions="Auto,*,Auto">
+                      <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="6">
+                                   <Button Content="📂 Open ISO"
+                                           Click="OnOpenFile"
+                                           Padding="12,5"
+                                           Background="#2d2d2d"
+                                           Foreground="White"
+                                           CornerRadius="6"
+                                           ToolTip.Tip="Open ISO" />
+                                    <Button Content="▶"
+                                            Click="OnPlay"
+                                            Padding="12,5"
+                                            Background="#107c10"
+                                            Foreground="White"
+                                            CornerRadius="6"
+                                            ToolTip.Tip="Play" />
+                                    <Button Content="⏸️"
+                                            Click="OnPause"
+                                            Padding="12,5"
+                                            Background="#2d2d2d"
+                                            Foreground="White"
+                                            CornerRadius="6"
+                                            ToolTip.Tip="Pause" />
+                      </StackPanel>
+                      <StackPanel Grid.Column="2" Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">
+                                  <TextBlock Text="🔊" Foreground="White" VerticalAlignment="Center"/>
+                                  <Slider x:Name="VolumeSlider"
+                                          Minimum="0" Maximum="100" Value="100"
+                                          Width="100"
+                                          VerticalAlignment="Center"
+                                          ValueChanged="OnVolumeChanged" />
+                       </StackPanel>
+               </Grid>
+            </Grid>
+     </Border>
+  </Grid>
+</Window>

LibVLCSharp.DVD/MainWindow.axaml.cs

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+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Input;
+using Avalonia.Controls.Primitives;
+using Avalonia.Platform.Storage;
+using LibVLCSharp.Avalonia;
+using LibVLCSharp.Shared;
+
+namespace LibVLCSharp.DVD;
+
+public partial class MainWindow : Window
+{
+  private readonly LibVLC libVLC= new();
+  private MediaPlayer? mediaPlayer;
+
+  public MainWindow(){
+        InitializeComponent();
+        Closing+= OnWindowClosing;
+
+        TimeSlider.AddHandler(PointerPressedEvent, OnTimeSliderPressed, handledEventsToo: true);
+        TimeSlider.AddHandler(PointerReleasedEvent, OnTimeSliderReleased, handledEventsToo: true);
+  }
+
+  private async void OnOpenFile(object? sender, RoutedEventArgs e){
+    var files= await StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+        {
+          Title= "Select a DVD ISO file",
+          AllowMultiple= false,
+          FileTypeFilter= new[]
+           {
+             new FilePickerFileType("DVD ISO Files"){
+               Patterns= new[] { "*.iso" }
+             },
+              new FilePickerFileType("All Files"){
+                Patterns= new[] { "*" }
+              }
+           }
+        });
+
+    if(files.Count==0) return;
+
+    if(mediaPlayer==null){
+      mediaPlayer= new MediaPlayer(libVLC);
+      mediaPlayer.TimeChanged+= OnTimeChanged;
+      VideoView.MediaPlayer= mediaPlayer;
+    }
+    else{
+      mediaPlayer.Stop();
+    }
+
+    var media= new Media(libVLC, $"dvd://{files[0].Path.LocalPath}", FromType.FromLocation);
+    mediaPlayer.Play(media);
+    media.Dispose();
+  }
+
+  private void OnPlay(object? sender, RoutedEventArgs e) => mediaPlayer?.Play();
+  private void OnPause(object? sender, RoutedEventArgs e) => mediaPlayer?.Pause();
+  private void OnStop(object? sender, RoutedEventArgs e) => mediaPlayer?.Stop();
+
+  private void OnClose(object? sender, RoutedEventArgs e) => Close();
+
+  private bool userDragging=false;
+  private void OnTimeSliderPressed(object? sender, PointerPressedEventArgs e) => userDragging=true;
+  private void OnTimeSliderReleased(object? sender, PointerReleasedEventArgs e){
+    userDragging=false;
+    if(mediaPlayer is null || mediaPlayer.Length<=0)  return;
+    mediaPlayer.Time= (long)(TimeSlider.Value/100 *mediaPlayer.Length);
+  }
+
+  private void OnTimeChanged(object? sender, MediaPlayerTimeChangedEventArgs e){
+    if(mediaPlayer is null || mediaPlayer.Length<=0 || userDragging) return;
+     global::Avalonia.Threading.Dispatcher.UIThread.Post(() =>
+        {
+          TimeSlider.Value= (double)e.Time/mediaPlayer.Length*100;
+        });
+  }
+
+  private void OnTimeSliderChanged(object? sender, PointerCaptureLostEventArgs e){
+    if(mediaPlayer is null || mediaPlayer.Length<=0) return;
+    mediaPlayer.Time= (long)(TimeSlider.Value/100 *mediaPlayer.Length);
+  }
+
+  private void OnVolumeChanged(object? sender, RangeBaseValueChangedEventArgs e){
+    if(mediaPlayer is not null){
+      mediaPlayer.Volume= (int)e.NewValue;
+    }
+  }
+
+  private void OnMinimize(object? sender, RoutedEventArgs e){
+    WindowState= WindowState==WindowState.Minimized ? WindowState.Normal : WindowState.Minimized;
+    this.Hide();
+    this.Show();
+  }
+  private void OnFullScreen(object? sender, RoutedEventArgs e) => WindowState= WindowState==WindowState.FullScreen ? WindowState.Normal : WindowState.FullScreen;
+
+  private void OnWindowClosing(object? sender, WindowClosingEventArgs e){
+    mediaPlayer?.Stop();
+    mediaPlayer?.Dispose();
+    libVLC.Dispose();
+  }
+}

LibVLCSharp.DVD/Program.cs

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+using Avalonia;
+using System;
+using LibVLCSharp.Shared;
+
+namespace LibVLCSharp.DVD;
+
+class Program
+{
+    // Initialization code. Don't use any Avalonia, third-party APIs or any
+    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+    // yet and stuff might break.
+    [STAThread]
+    public static void Main(string[] args){
+        Core.Initialize(); 
+        BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
+    }
+
+    // Avalonia configuration, don't remove; also used by visual designer.
+    public static AppBuilder BuildAvaloniaApp()
+        => AppBuilder.Configure<App>()
+            .UsePlatformDetect()
+            .WithInterFont()
+            .LogToTrace();
+}