添加项目文件。

VlcAvaloniaDemo.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.7.34003.232
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "VlcAvaloniaDemo", "VlcAvaloniaDemo\VlcAvaloniaDemo.csproj", "{29EC4618-6A89-4A18-8237-D76A8464978F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{29EC4618-6A89-4A18-8237-D76A8464978F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{29EC4618-6A89-4A18-8237-D76A8464978F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{29EC4618-6A89-4A18-8237-D76A8464978F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{29EC4618-6A89-4A18-8237-D76A8464978F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {74A59734-984F-4633-B02C-9FB84C189E5C}
+	EndGlobalSection
+EndGlobal

VlcAvaloniaDemo/App.axaml

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

VlcAvaloniaDemo/App.axaml.cs

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+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Data.Core.Plugins;
+using Avalonia.Markup.Xaml;
+using VlcAvaloniaDemo.ViewModels;
+using VlcAvaloniaDemo.Views;
+
+namespace VlcAvaloniaDemo
+{
+    public partial class App : Application
+    {
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                // Line below is needed to remove Avalonia data validation.
+                // Without this line you will get duplicate validations from both Avalonia and CT
+                BindingPlugins.DataValidators.RemoveAt(0);
+                desktop.MainWindow = new MainWindow
+                {
+                    DataContext = new MainWindowViewModel(),
+                };
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

VlcAvaloniaDemo/Program.cs

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+using Avalonia;
+using System;
+using VlcAvaloniaDemo;
+
+namespace VlcDemo
+{
+    internal 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) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .WithInterFont()
+                .LogToTrace();
+    }
+}

VlcAvaloniaDemo/ViewModels/MainWindowViewModel.cs

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+using CommunityToolkit.Mvvm.Input;
+using LibVLCSharp.Shared;
+
+namespace VlcAvaloniaDemo.ViewModels
+{
+    public partial class MainWindowViewModel : ViewModelBase
+    {
+        //Linux使用方法
+        //Ubuntu下运行一下这两个命令安装包
+        //sudo apt install libvlc-dev
+        //sudo apt install vlc
+
+        private readonly LibVLC _libVlc = new LibVLC();
+        public MainWindowViewModel()
+        {
+            MyMediaPlayer = new MediaPlayer(_libVlc);
+        }
+
+        private MediaPlayer? myMediaPlayer;
+        public MediaPlayer? MyMediaPlayer
+        {
+            get { return myMediaPlayer; }
+            set { SetProperty(ref myMediaPlayer, value); }
+        }
+
+
+        [RelayCommand]
+        public void OptionsCommand(string content)
+        {
+            switch (content)
+            {
+                case "播放":
+                    {
+                        if (MyMediaPlayer?.State == VLCState.Paused)
+                        {
+                            MyMediaPlayer?.Play();
+                        }
+                        else
+                        {
+                            using var media = new Media(_libVlc, "Avalonia XPF.mp4");
+                            MyMediaPlayer?.Play(media);
+                        }
+                    }
+                    break;
+                case "停止":
+                    MyMediaPlayer?.Stop();
+                    break;
+                case "暂停":
+                    MyMediaPlayer?.Pause();
+                    break;
+                default:
+                    break;
+            }
+        }
+
+
+
+
+
+
+    }
+}

VlcAvaloniaDemo/ViewModels/ViewModelBase.cs

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+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace VlcAvaloniaDemo.ViewModels
+{
+    public class ViewModelBase : ObservableObject
+    {
+    }
+}

VlcAvaloniaDemo/Views/MainWindow.axaml

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+<Window
+    x:Class="VlcAvaloniaDemo.Views.MainWindow"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vlc="using:VlcAvaloniaDemo.VlcPlayControl"
+    xmlns:vm="using:VlcAvaloniaDemo.ViewModels"
+    Title="VlcDemo"
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    x:DataType="vm:MainWindowViewModel"
+    Icon="/Assets/avalonia-logo.ico"
+    mc:Ignorable="d">
+
+    <Design.DataContext>
+        <vm:MainWindowViewModel />
+    </Design.DataContext>
+
+    <Grid Margin="5" RowDefinitions="auto,*">
+        <StackPanel Margin="0,0,0,5" Orientation="Horizontal">
+            <Button
+                Command="{Binding OptionsCommand}"
+                CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}, Path=Content}"
+                Content="播放" />
+            <Button
+                Margin="5,0"
+                Command="{Binding OptionsCommand}"
+                CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}, Path=Content}"
+                Content="暂停" />
+            <Button
+                Command="{Binding OptionsCommand}"
+                CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}, Path=Content}"
+                Content="停止" />
+        </StackPanel>
+
+        <vlc:VideoView Grid.Row="1" MediaPlayer="{Binding MyMediaPlayer}" />
+
+    </Grid>
+
+</Window>

VlcAvaloniaDemo/Views/MainWindow.axaml.cs

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+using Avalonia.Controls;
+
+namespace VlcAvaloniaDemo.Views
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}

VlcAvaloniaDemo/VlcAvaloniaDemo.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <AvaloniaResource Include="Assets\**" />
+  </ItemGroup>
+
+
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.0.4" />
+    <PackageReference Include="Avalonia.Desktop" Version="11.0.4" />
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.0.4" />
+    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.0.4" />
+    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.4" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.1" />
+    <PackageReference Include="LibVLCSharp" Version="3.7.0" />
+    <PackageReference Include="VideoLAN.LibVLC.Windows" Version="3.0.18" />
+  </ItemGroup>
+</Project>

VlcAvaloniaDemo/VlcPlayControl/VideoView.cs

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+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Data;
+using Avalonia.Platform;
+using LibVLCSharp.Shared;
+using System;
+using System.Runtime.InteropServices;
+
+namespace VlcAvaloniaDemo.VlcPlayControl
+{
+    /// <summary>
+    /// Avalonia VideoView for Windows, Linux and Mac.
+    /// </summary>
+    public class VideoView : NativeControlHost
+    {
+        private IPlatformHandle? _platformHandle = null;
+        private MediaPlayer? _mediaPlayer = null;
+
+        /// <summary>
+        /// MediaPlayer Data Bound property
+        /// </summary>
+        /// <summary>
+        /// Defines the <see cref="MediaPlayer"/> property.
+        /// </summary>
+        public static readonly DirectProperty<VideoView, MediaPlayer?> MediaPlayerProperty =
+            AvaloniaProperty.RegisterDirect<VideoView, MediaPlayer?>(
+                nameof(MediaPlayer),
+                o => o.MediaPlayer,
+                (o, v) => o.MediaPlayer = v,
+                defaultBindingMode: BindingMode.TwoWay);
+
+        /// <summary>
+        /// Gets or sets the MediaPlayer that will be displayed.
+        /// </summary>
+        public MediaPlayer? MediaPlayer
+        {
+            get { return _mediaPlayer; }
+            set
+            {
+                if (ReferenceEquals(_mediaPlayer, value))
+                {
+                    return;
+                }
+                Detach();
+                _mediaPlayer = value;
+                Attach();
+            }
+        }
+        private void Attach()
+        {
+            if (_mediaPlayer == null || _platformHandle == null || !IsInitialized)
+                return;
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                _mediaPlayer.Hwnd = _platformHandle.Handle;
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                _mediaPlayer.XWindow = (uint)_platformHandle.Handle;
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                _mediaPlayer.NsObject = _platformHandle.Handle;
+            }
+        }
+        private void Detach()
+        {
+            if (_mediaPlayer == null)
+                return;
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                _mediaPlayer.Hwnd = IntPtr.Zero;
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                _mediaPlayer.XWindow = 0;
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                _mediaPlayer.NsObject = IntPtr.Zero;
+            }
+        }
+        protected override IPlatformHandle CreateNativeControlCore(IPlatformHandle parent)
+        {
+            _platformHandle = base.CreateNativeControlCore(parent);
+
+            if (_mediaPlayer == null)
+                return _platformHandle;
+
+            Attach();
+
+            return _platformHandle;
+        }
+        protected override void DestroyNativeControlCore(IPlatformHandle control)
+        {
+            Detach();
+
+            base.DestroyNativeControlCore(control);
+
+            if (_platformHandle != null)
+            {
+                _platformHandle = null;
+            }
+        }
+    }
+}

VlcAvaloniaDemo/app.manifest

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+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <!-- This manifest is used on Windows only.
+       Don't remove it as it might cause problems with window transparency and embeded controls.
+       For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
+  <assemblyIdentity version="1.0.0.0" name="VlcDemo.Desktop"/>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- A list of the Windows versions that this application has been tested on
+           and is designed to work with. Uncomment the appropriate elements
+           and Windows will automatically select the most compatible environment. -->
+
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+</assembly>