make resizable panels

fix duration bug

Azaion.Annotator/MainWindow.xaml.cs

@@ -12,6 +12,7 @@ using Newtonsoft.Json;
 using Point = System.Windows.Point;
 using Size = System.Windows.Size;
 using IntervalTree;
+using Microsoft.Extensions.Logging;
 
 namespace Azaion.Annotator;
 
@@ -24,7 +25,8 @@ public partial class MainWindow
 
     private readonly IConfigRepository _configRepository;
     private readonly HelpWindow _helpWindow;
-    
+    private readonly ILogger<MainWindow> _logger;
+
     public ObservableCollection<AnnotationClass> AnnotationClasses { get; set; } = new();
     private bool _suspendLayout;
 
@@ -39,7 +41,8 @@ public partial class MainWindow
         IMediator mediator,
         FormState formState,
         IConfigRepository configRepository,
-        HelpWindow helpWindow)
+        HelpWindow helpWindow,
+        ILogger<MainWindow> logger)
     {
         InitializeComponent();
         _libVLC = libVLC;
@@ -49,7 +52,8 @@ public partial class MainWindow
         _configRepository = configRepository;
         _config = _configRepository.Get();
         _helpWindow = helpWindow;
-        
+        _logger = logger;
+
         VideoView.Loaded += VideoView_Loaded;
         Closed += OnFormClosed;
     }
@@ -217,15 +221,16 @@ public partial class MainWindow
         
         var files = dir.GetFiles("mp4", "mov").Select(x =>
         {
-            _mediaPlayer.Media = new Media(_libVLC, x.FullName);
-
-            return new VideoFileInfo
+            var media = new Media(_libVLC, x.FullName);
+            media.Parse();
+            var fInfo = new VideoFileInfo
             {
                 Name = x.Name,
                 Path = x.FullName,
-                Duration = TimeSpan.FromMilliseconds(_mediaPlayer.Media.Duration),
                 HasAnnotations = labelNames.ContainsKey(Path.GetFileNameWithoutExtension(x.Name).Replace(" ", ""))
             };
+            media.ParsedChanged += (_, _) => fInfo.Duration = TimeSpan.FromMilliseconds(media.Duration);
+            return fInfo;
         }).ToList();
 
         LvFiles.ItemsSource = new ObservableCollection<VideoFileInfo>(files);
@@ -271,7 +276,11 @@ public partial class MainWindow
         ReloadFiles();
     }
 
-    private void PlayClick(object sender, RoutedEventArgs e) => _mediator.Publish(new PlaybackControlEvent(PlaybackControlEnum.Play));
+    private void PlayClick(object sender, RoutedEventArgs e)
+    {
+        _mediator.Publish(new PlaybackControlEvent(_mediaPlayer.CanPause ? PlaybackControlEnum.Pause : PlaybackControlEnum.Play));
+    }
+
     private void PauseClick(object sender, RoutedEventArgs e)=> _mediator.Publish(new PlaybackControlEvent(PlaybackControlEnum.Pause));
     private void StopClick(object sender, RoutedEventArgs e) => _mediator.Publish(new PlaybackControlEvent(PlaybackControlEnum.Stop));