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WPF 使用LibVLCSharp.WPF实现视频播放、停止、暂停功能

news 2025/7/10 20:19:38

使用LibVLCSharp.WPF实现视频播放、停止、暂停功能

1, NuGet 添加 VideoLAN.LibVLC.Windows

2. NuGet 添加 LibVLCSharp.WPF

3. wpf 代码如下：

 <Grid ><Grid.RowDefinitions><RowDefinition Height="*" /><RowDefinition Height="40" /><!-- <RowDefinition Height="40" /> --></Grid.RowDefinitions><wpf:VideoView Name="VlcControl" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" /><StackPanel  Grid.Row="1" Orientation="Horizontal"><Button   Content="播放" Click="Play_OnClick"></Button><Button   Content="停止" Click="Stop_OnClick"  Width="80"></Button><Button   Content="暂停"  Click="Pause_OnClick"  Width="80"></Button></StackPanel></Grid>

4. .cs代码如下：

    public partial class MainWindow : Window{private LibVLC _libVLC;private MediaPlayer _mediaPlayer;public MainWindow(){InitializeComponent();Core.Initialize();// 初始化 LibVLC_libVLC = new LibVLC();_mediaPlayer = new MediaPlayer(_libVLC);VlcControl.MediaPlayer = _mediaPlayer;}private void MainWindow_Loaded(object sender, RoutedEventArgs e){//取整设置成刚好的网格大小}private void PlayOrPauseButton_Checked(object sender, RoutedEventArgs e){this.Play();}private void PlayOrPauseButton_Unchecked(object sender, RoutedEventArgs e){}private void Play(){//调用Play()时，MediaElement会将其Position设置为0if (_mediaPlayer.State == VLCState.Paused){var oldTime = _mediaPlayer.Time;_mediaPlayer.Play();_mediaPlayer.Time = oldTime;}else{string filePath = @"E:\1.avi";_mediaPlayer.Play(new Media(_libVLC, new Uri(filePath, UriKind.RelativeOrAbsolute)));}}private void Stop_OnClick(object sender, RoutedEventArgs e){_mediaPlayer.Stop();}private void Pause_OnClick(object sender, RoutedEventArgs e){_mediaPlayer.Pause();}private void Play_OnClick(object sender, RoutedEventArgs e){Play();}}

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