Add annotationResult and put them into json

Azaion.Annotator.Test/DictTest.cs

@@ -5,16 +5,16 @@ namespace Azaion.Annotator.Test;
 
 public class DictTest
 {
-    public Dictionary<string, List<AnnotationInfo>> Annotations = new();
+    public Dictionary<string, List<YoloLabel>> Annotations = new();
 
     [Fact]
     public void DictAddTest()
     {
-        Annotations["sd"] = [new AnnotationInfo(1, 2, 2, 2, 2)];
+        Annotations["sd"] = [new YoloLabel(1, 2, 2, 2, 2)];
         Annotations["sd"] = 
         [
-            new AnnotationInfo(1, 2, 2, 2, 2),
-            new AnnotationInfo(0, 1, 3, 2, 1)
+            new YoloLabel(1, 2, 2, 2, 2),
+            new YoloLabel(0, 1, 3, 2, 1)
         ];
     }
 }

Azaion.Annotator/App.xaml.cs

@@ -4,19 +4,33 @@ using System.Windows;
 using System.Windows.Input;
 using System.Windows.Threading;
 using Azaion.Annotator.DTO;
+using Azaion.Annotator.Extensions;
 using LibVLCSharp.Shared;
 using MediatR;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using ILogger = Microsoft.Extensions.Logging.ILogger;
+using LogLevel = Microsoft.Extensions.Logging.LogLevel;
 
 namespace Azaion.Annotator;
 
 public partial class App : Application
 {
     private readonly ServiceProvider _serviceProvider;
-    private IMediator _mediator;
+    private readonly IMediator _mediator;
     
     public App()
     {
+        Log.Logger = new LoggerConfiguration()
+            .Enrich.FromLogContext()
+            .MinimumLevel.Warning()
+            .WriteTo.Console()
+            .WriteTo.File(
+                path: "Logs/log.txt",
+                rollingInterval: RollingInterval.Day)
+            .CreateLogger();
+        
         var services = new ServiceCollection();
         services.AddSingleton<MainWindow>();
         services.AddSingleton<HelpWindow>();
@@ -37,7 +51,7 @@ public partial class App : Application
     
     private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
     {
-        File.AppendAllText("logs.txt", e.Exception.Message);
+        Log.Logger.Error(e.Exception, e.Exception.Message);
         e.Handled = true;
     }
 

Azaion.Annotator/Azaion.Annotator.csproj

@@ -15,7 +15,13 @@
       <PackageReference Include="LibVLCSharp.WPF" Version="3.8.2" />
       <PackageReference Include="MediatR" Version="12.2.0" />
       <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+      <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
       <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+      <PackageReference Include="Serilog" Version="4.0.0" />
+      <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+      <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.1" />
+      <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
+      <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
       <PackageReference Include="VideoLAN.LibVLC.Windows" Version="3.0.20" />
       <PackageReference Include="WindowsAPICodePack" Version="7.0.4" />
     </ItemGroup>

Azaion.Annotator/Controls/AnnotationControl.cs

@@ -14,7 +14,8 @@ public class AnnotationControl : Border
 
     private readonly Grid _grid;
     private readonly TextBlock _classNameLabel;
-
+    public TimeSpan Time { get; set; } 
+        
     private AnnotationClass _annotationClass = null!;
     public AnnotationClass AnnotationClass
     {
@@ -40,8 +41,9 @@ public class AnnotationControl : Border
         }
     }
     
-    public AnnotationControl(AnnotationClass annotationClass, Action<object, MouseButtonEventArgs> resizeStart)
+    public AnnotationControl(AnnotationClass annotationClass, TimeSpan time, Action<object, MouseButtonEventArgs> resizeStart)
     {
+        Time = time;
         _resizeStart = resizeStart;
         _classNameLabel = new TextBlock
         {
@@ -104,5 +106,5 @@ public class AnnotationControl : Border
         return rect;
     }
 
-    public AnnotationInfo Info => new(AnnotationClass.Id, Canvas.GetLeft(this), Canvas.GetTop(this), Width, Height);
+    public CanvasLabel Info => new(AnnotationClass.Id, Canvas.GetLeft(this), Canvas.GetTop(this), Width, Height);
 }

Azaion.Annotator/Controls/CanvasEditor.cs

@@ -1,6 +1,5 @@
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Shapes;
@@ -26,7 +25,8 @@ public class CanvasEditor : Canvas
     private AnnotationControl _curAnn = null!;
     
     private const int MIN_SIZE = 20;
-
+    private readonly TimeSpan _viewThreshold = TimeSpan.FromMilliseconds(400);
+    
     public FormState FormState { get; set; } = null!;
     public IMediator Mediator { get; set; } = null!;
 
@@ -283,30 +283,28 @@ public class CanvasEditor : Canvas
         var height = Math.Abs(endPos.Y - _newAnnotationStartPos.Y);
         if (width < MIN_SIZE || height < MIN_SIZE)
             return;
-        
-        var annotationControl = new AnnotationControl(CurrentAnnClass, AnnotationResizeStart)
+
+        var mainWindow = (MainWindow)((Window)((Grid)Parent).Parent).Owner;
+        var time = TimeSpan.FromMilliseconds(mainWindow.VideoView.MediaPlayer.Time);
+        CreateAnnotation(CurrentAnnClass, time, new CanvasLabel
         {
             Width = width,
-            Height = height
-        };
-        annotationControl.MouseDown += AnnotationPositionStart; 
-        SetLeft(annotationControl, Math.Min(endPos.X, _newAnnotationStartPos.X));
-        SetTop(annotationControl, Math.Min(endPos.Y, _newAnnotationStartPos.Y));
-        Children.Add(annotationControl);
-        CurrentAnns.Add(annotationControl);
-        _newAnnotationRect.Fill = new SolidColorBrush(CurrentAnnClass.Color);
+            Height = height,
+            X = Math.Min(endPos.X, _newAnnotationStartPos.X),
+            Y = Math.Min(endPos.Y, _newAnnotationStartPos.Y)
+        });
     }
 
-    public AnnotationControl CreateAnnotation(AnnotationClass annClass, AnnotationInfo info)
+    public AnnotationControl CreateAnnotation(AnnotationClass annClass, TimeSpan time, CanvasLabel canvasLabel)
     {
-        var annotationControl = new AnnotationControl(annClass, AnnotationResizeStart)
+        var annotationControl = new AnnotationControl(annClass, time, AnnotationResizeStart)
         {
-            Width = info.Width,
-            Height = info.Height
+            Width = canvasLabel.Width,
+            Height = canvasLabel.Height
         };
         annotationControl.MouseDown += AnnotationPositionStart; 
-        SetLeft(annotationControl, info.X );
-        SetTop(annotationControl, info.Y);
+        SetLeft(annotationControl, canvasLabel.X );
+        SetTop(annotationControl, canvasLabel.Y);
         Children.Add(annotationControl);
         CurrentAnns.Add(annotationControl);
         _newAnnotationRect.Fill = new SolidColorBrush(annClass.Color);
@@ -323,12 +321,17 @@ public class CanvasEditor : Canvas
             CurrentAnns.Remove(ann);
         }   
     }
-    public void RemoveAllAnns() => RemoveAnnotations(CurrentAnns.ToList());
-    public void RemoveSelectedAnns() => RemoveAnnotations(CurrentAnns.Where(x => x.IsSelected).ToList());
+    public void RemoveAllAnns() => RemoveAnnotations(CurrentAnns);
+    public void RemoveSelectedAnns() => RemoveAnnotations(CurrentAnns.Where(x => x.IsSelected));
 
     private void ClearSelections()
     {
         foreach (var ann in CurrentAnns)
             ann.IsSelected = false;
     }
+
+    public void ClearExpiredAnnotations(TimeSpan time)
+    { 
+        RemoveAnnotations(CurrentAnns.Where(x => time - x.Time > _viewThreshold));
+    }
 }

Azaion.Annotator/DTO/AnnotationInfo.cs

@@ -1,121 +0,0 @@
-using System.Globalization;
-using System.Windows;
-
-namespace Azaion.Annotator.DTO;
-
-public class AnnotationInfo
-{
-    public int ClassNumber { get; set; }
-    public double X { get; set; }
-    public double Y { get; set; }
-    public double Width { get; set; }
-    public double Height { get; set; }
-
-    public AnnotationInfo() { }
-    public AnnotationInfo(int classNumber, double x, double y, double width, double height)
-    {
-        ClassNumber = classNumber;
-        X = x;
-        Y = y;
-        Width = width;
-        Height = height;
-    }
-
-    public override string ToString() => $"{ClassNumber} {X:F5} {Y:F5} {Width:F5} {Height:F5}".Replace(',', '.');
-
-    public AnnotationInfo ToLabelCoordinates(Size canvasSize, Size videoSize)
-    {
-        var cw = canvasSize.Width;
-        var ch = canvasSize.Height;
-        var canvasAR = cw / ch;
-        var videoAR = videoSize.Width / videoSize.Height;
-
-        var annInfo = new AnnotationInfo { ClassNumber = this.ClassNumber };
-        double left, top;
-        if (videoAR > canvasAR) //100% width
-        {
-            left = X / cw;
-            annInfo.Width = Width / cw;
-            var realHeight = cw / videoAR; //real video height in pixels on canvas
-            var blackStripHeight = (ch - realHeight) / 2.0; //height of black strips at the top and bottom
-            top = (Y - blackStripHeight) / realHeight;
-            annInfo.Height = Height / realHeight;
-        }
-        else //100% height
-        {
-            top = Y / ch;
-            annInfo.Height = Height / ch;
-            var realWidth = ch * videoAR; //real video width in pixels on canvas
-            var blackStripWidth = (cw - realWidth) / 2.0; //height of black strips at the top and bottom
-            left = (X - blackStripWidth) / realWidth;
-            annInfo.Width = Width / realWidth;
-        }
-
-        annInfo.X = left + annInfo.Width / 2.0;
-        annInfo.Y = top + annInfo.Height / 2.0;
-        
-        return annInfo;
-    }
-
-    public AnnotationInfo ToCanvasCoordinates(Size canvasSize, Size videoSize)
-    {
-        var cw = canvasSize.Width;
-        var ch = canvasSize.Height;
-        var canvasAR = cw / ch;
-        var videoAR = videoSize.Width / videoSize.Height;
-        
-        var annInfo = new AnnotationInfo { ClassNumber = this.ClassNumber };
-        
-        double left = X - Width / 2;
-        double top = Y - Height / 2;
-        
-        if (videoAR > canvasAR) //100% width
-        {
-            var realHeight = cw / videoAR; //real video height in pixels on canvas
-            var blackStripHeight = (ch - realHeight) / 2.0; //height of black strips at the top and bottom
-            
-            annInfo.X = left * cw;
-            annInfo.Y = top * realHeight + blackStripHeight;
-            annInfo.Width = Width * cw;
-            annInfo.Height = Height * realHeight;
-        }
-        else //100% height
-        {
-            var realWidth = ch * videoAR; //real video width in pixels on canvas
-            var blackStripWidth = (cw - realWidth) / 2.0; //height of black strips at the top and bottom
-
-            annInfo.X = left * realWidth + blackStripWidth;
-            annInfo.Y = top * ch;
-            annInfo.Width = Width * realWidth;
-            annInfo.Height = Height * ch;
-        }
-        return annInfo;
-    }
-
-    public static AnnotationInfo? Parse(string? s)
-    {
-        if (s == null || string.IsNullOrEmpty(s))
-            return null;
-        
-        var strs = s.Replace(',','.').Split(' ');
-        if (strs.Length != 5)
-            return null;
-
-        try
-        {
-            var res = new AnnotationInfo
-            {
-                ClassNumber = int.Parse(strs[0], CultureInfo.InvariantCulture),
-                X = double.Parse(strs[1], CultureInfo.InvariantCulture),
-                Y = double.Parse(strs[2], CultureInfo.InvariantCulture),
-                Width = double.Parse(strs[3], CultureInfo.InvariantCulture),
-                Height = double.Parse(strs[4], CultureInfo.InvariantCulture)
-            };
-            return res;
-        }
-        catch (Exception)
-        {
-            return null;
-        }
-    }
-}

Azaion.Annotator/DTO/AnnotationResult.cs

@@ -0,0 +1,28 @@
+using Newtonsoft.Json;
+
+namespace Azaion.Annotator.DTO;
+
+public class AnnotationResult
+{
+    [JsonProperty(PropertyName = "f")]
+    public string   Image   { get; set; } = null!;
+    [JsonProperty(PropertyName = "t")]
+    public TimeSpan Time                   { get; set; }
+
+    [JsonProperty(PropertyName = "p")]
+    public double   Percentage             { get; set; }
+    
+    public double   Lat                    { get; set; }
+    public double   Lon                    { get; set; }
+    public List<YoloLabel> Labels          { get; set; } = new();
+    
+    
+    public AnnotationResult() { }
+    public AnnotationResult(TimeSpan time, string timeName, List<YoloLabel> labels)
+    {
+        Labels = labels;
+        Time = time;
+        Image = $"{timeName}.jpg";
+        Percentage = 100;
+    }
+}

Azaion.Annotator/DTO/Config.cs

@@ -10,9 +10,13 @@ namespace Azaion.Annotator.DTO;
 public class Config
 {
     private const string CONFIG_PATH = "config.json";
+    
     private const string DEFAULT_VIDEO_DIR = "video";
+    
     private const string DEFAULT_LABELS_DIR = "labels";
     private const string DEFAULT_IMAGES_DIR = "images";
+    private const string DEFAULT_RESULTS_DIR = "results";
+    
     private static readonly Size DefaultWindowSize = new(1280, 720);
     private static readonly Point DefaultWindowLocation = new(100, 100);
     
@@ -20,7 +24,8 @@ public class Config
     public string VideosDirectory { get; set; } = DEFAULT_VIDEO_DIR;
     public string LabelsDirectory { get; set; } = DEFAULT_LABELS_DIR;
     public string ImagesDirectory { get; set; } = DEFAULT_IMAGES_DIR;
-    
+    public string ResultsDirectory { get; set; } = DEFAULT_RESULTS_DIR;
+
     public List<AnnotationClass> AnnotationClasses { get; set; } = [];
     public Size WindowSize { get; set; }
     public Point WindowLocation { get; set; }

Azaion.Annotator/DTO/FormState.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System.Globalization;
+using System.IO;
 using System.Windows;
 
 namespace Azaion.Annotator.DTO;
@@ -12,6 +13,26 @@ public class FormState
     public string VideoName => Path.GetFileNameWithoutExtension(CurrentFile).Replace(" ", "");
     public TimeSpan CurrentVideoLength { get; set; }
     public int CurrentVolume { get; set; } = 100;
-
+    public List<AnnotationResult> AnnotationResults { get; set; } = [];
+    
     public string GetTimeName(TimeSpan ts) => $"{VideoName}_{ts:hmmssf}";
+
+    public TimeSpan? GetTime(string name)
+    {
+        var timeStr = name.Split("_").LastOrDefault();
+        if (string.IsNullOrEmpty(timeStr))
+            return null;
+        
+        try
+        {
+            //For some reason, TimeSpan.ParseExact doesn't work on every platform.
+            return new TimeSpan(
+                days: 0,
+                hours: int.Parse(timeStr[0..1]),
+                minutes: int.Parse(timeStr[1..3]),
+                seconds: int.Parse(timeStr[3..5]),
+                milliseconds: int.Parse(timeStr[5..6]) * 100);
+        }
+        catch (Exception e) {  return null;  }
+    }
 }

Azaion.Annotator/DTO/Label.cs

@@ -0,0 +1,153 @@
+using System.Globalization;
+using System.Windows;
+using Newtonsoft.Json;
+
+namespace Azaion.Annotator.DTO;
+
+public abstract class Label
+{
+    [JsonProperty(PropertyName = "cl")]
+    public int ClassNumber { get; set; }
+    
+    public Label(){}
+    public Label(int classNumber) { ClassNumber = classNumber; }
+}
+
+public class CanvasLabel : Label
+{
+    public double X { get; set; }
+    public double Y { get; set; }
+    public double Width { get; set; }
+    public double Height { get; set; }
+    
+    public CanvasLabel() { }
+    public CanvasLabel(int classNumber, double x, double y, double width, double height) : base(classNumber)
+    {
+        X = x;
+        Y = y;
+        Width = width;
+        Height = height;
+    }
+
+    public CanvasLabel(YoloLabel label, Size canvasSize, Size videoSize)
+    {
+        var cw = canvasSize.Width;
+        var ch = canvasSize.Height;
+        var canvasAr = cw / ch;
+        var videoAr = videoSize.Width / videoSize.Height;
+        
+        ClassNumber = label.ClassNumber;
+        
+        var left = X - Width / 2;
+        var top = Y - Height / 2;
+        
+        if (videoAr > canvasAr) //100% width
+        {
+            var realHeight = cw / videoAr; //real video height in pixels on canvas
+            var blackStripHeight = (ch - realHeight) / 2.0; //height of black strips at the top and bottom
+            
+            X = left * cw;
+            Y = top * realHeight + blackStripHeight;
+            Width = label.Width * cw;
+            Height = label.Height * realHeight;
+        }
+        else //100% height
+        {
+            var realWidth = ch * videoAr; //real video width in pixels on canvas
+            var blackStripWidth = (cw - realWidth) / 2.0; //height of black strips at the top and bottom
+
+            X = left * realWidth + blackStripWidth;
+            Y = top * ch;
+            Width = label.Width * realWidth;
+            Height = label.Height * ch;
+        }
+    }
+}
+
+public class YoloLabel : Label
+{
+    [JsonProperty(PropertyName = "x")]
+    public double CenterX { get; set; }
+
+    [JsonProperty(PropertyName = "y")]
+    public double CenterY { get; set; }
+
+    [JsonProperty(PropertyName = "w")]
+    public double Width { get; set; }
+
+    [JsonProperty(PropertyName = "h")]
+    public double Height { get; set; }
+    
+    public YoloLabel() { }
+    public YoloLabel(int classNumber, double centerX, double centerY, double width, double height) : base(classNumber)
+    {
+        CenterX = centerX;
+        CenterY = centerY;
+        Width = width;
+        Height = height;
+    }
+
+    public YoloLabel(CanvasLabel canvasLabel, Size canvasSize, Size videoSize)
+    {
+        
+        var cw = canvasSize.Width;
+        var ch = canvasSize.Height;
+        var canvasAr = cw / ch;
+        var videoAr = videoSize.Width / videoSize.Height;
+
+        ClassNumber = canvasLabel.ClassNumber;
+        
+        double left, top;
+        if (videoAr > canvasAr) //100% width
+        {
+            left = canvasLabel.X / cw;
+            Width = canvasLabel.Width / cw;
+            var realHeight = cw / videoAr; //real video height in pixels on canvas
+            var blackStripHeight = (ch - realHeight) / 2.0; //height of black strips at the top and bottom
+            top = (canvasLabel.Y - blackStripHeight) / realHeight;
+            Height = canvasLabel.Height / realHeight;
+        }
+        else //100% height
+        {
+            top = canvasLabel.Y / ch;
+            Height = canvasLabel.Height / ch;
+            var realWidth = ch * videoAr; //real video width in pixels on canvas
+            var blackStripWidth = (cw - realWidth) / 2.0; //height of black strips at the top and bottom
+            left = (canvasLabel.X - blackStripWidth) / realWidth;
+            Width = canvasLabel.Width / realWidth;
+        }
+
+        CenterX = left + canvasLabel.Width / 2.0;
+        CenterY = top + canvasLabel.Height / 2.0;
+    }
+
+    public static YoloLabel? Parse(string s)
+    {
+        if (string.IsNullOrEmpty(s))
+            return null;
+        
+        var strings = s.Replace(',','.').Split(' ');
+        if (strings.Length != 5)
+            return null;
+
+        try
+        {
+            var res = new YoloLabel
+            {
+                ClassNumber = int.Parse(strings[0], CultureInfo.InvariantCulture),
+                CenterX = double.Parse(strings[1], CultureInfo.InvariantCulture),
+                CenterY = double.Parse(strings[2], CultureInfo.InvariantCulture),
+                Width = double.Parse(strings[3], CultureInfo.InvariantCulture),
+                Height = double.Parse(strings[4], CultureInfo.InvariantCulture)
+            };
+            return res;
+        }
+        catch (Exception)
+        {
+            return null;
+        }
+    }
+    
+    public override string ToString() => $"{ClassNumber} {CenterX:F5} {CenterY:F5} {Width:F5} {Height:F5}".Replace(',', '.');
+    
+}

Azaion.Annotator/MainWindow.xaml

@@ -62,6 +62,7 @@
             <ColumnDefinition Width="250" />
             <ColumnDefinition Width="4"/>
             <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="200" />
         </Grid.ColumnDefinitions>
 
         <Menu Grid.Row="0"
@@ -179,10 +180,56 @@
             x:Name="VideoView">
             <controls:CanvasEditor x:Name="Editor" Background="#01000000" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" />
         </wpf:VideoView>
+        
+        <DataGrid x:Name="DgAnnotations"
+                  Grid.Column="3"
+                  Grid.Row="1"
+                  Grid.RowSpan="3"
+                  Background="Black"
+                  RowBackground="#252525"
+                  Foreground="White"
+                  RowHeaderWidth="0"
+                  Padding="2 0 0 0"
+                  AutoGenerateColumns="False"
+                  SelectionMode="Single"
+                  CellStyle="{DynamicResource DataGridCellStyle1}"
+                  IsReadOnly="True"
+                  CanUserResizeRows="False"
+                  CanUserResizeColumns="False">
+            <DataGrid.Columns>
+                <DataGridTemplateColumn
+                    Width="120" 
+                    Header="Кадр"
+                    CanUserSort="False">
+                    <DataGridTemplateColumn.HeaderStyle>
+                        <Style TargetType="DataGridColumnHeader">
+                            <Setter Property="Background" Value="#252525"></Setter>
+                        </Style>
+                    </DataGridTemplateColumn.HeaderStyle>
+                    <DataGridTemplateColumn.CellTemplate>
+                        <DataTemplate>
+                            <TextBlock Text="{Binding Path=ClassNumber}"></TextBlock>
+                        </DataTemplate>
+                    </DataGridTemplateColumn.CellTemplate>
+                </DataGridTemplateColumn>
+                <DataGridTextColumn
+                    Width="*" 
+                    Header="Клас" 
+                    Binding="{Binding Path=Name}"
+                    CanUserSort="False">
+                    <DataGridTextColumn.HeaderStyle>
+                        <Style TargetType="DataGridColumnHeader">
+                            <Setter Property="Background" Value="#252525"></Setter>
+                        </Style>
+                    </DataGridTextColumn.HeaderStyle>
+                </DataGridTextColumn>
+            </DataGrid.Columns>
+        </DataGrid>
+        
         <controls:UpdatableProgressBar x:Name="VideoSlider" 
             Grid.Column="0"
             Grid.Row="4"
-            Grid.ColumnSpan="3"
+            Grid.ColumnSpan="4"
             Background="#252525"
             Foreground="LightBlue">
 
@@ -373,6 +420,7 @@
         <StatusBar
             Grid.Row="5"
             Grid.Column="2"
+            Grid.ColumnSpan="2"
             Background="#252525"
             Foreground="White"
             >

Azaion.Annotator/MainWindow.xaml.cs

@@ -1,13 +1,12 @@
 using System.Collections.ObjectModel;
-using System.Drawing;
 using System.IO;
-using System.Reflection;
 using System.Windows;
 using Azaion.Annotator.DTO;
 using Azaion.Annotator.Extensions;
 using LibVLCSharp.Shared;
 using MediatR;
 using Microsoft.WindowsAPICodePack.Dialogs;
+using Newtonsoft.Json;
 using Point = System.Windows.Point;
 using Size = System.Windows.Size;
 
@@ -22,12 +21,12 @@ public partial class MainWindow
 
     private readonly Config _config;
     private readonly HelpWindow _helpWindow;
-    private readonly TimeSpan _annotationTime = TimeSpan.FromSeconds(1);
     
     public ObservableCollection<AnnotationClass> AnnotationClasses { get; set; } = new();
     private bool _suspendLayout;
-
-    public Dictionary<string, List<AnnotationInfo>> Annotations { get; set; } = new();
+    
+    public Dictionary<TimeSpan, List<YoloLabel>> Annotations { get; set; } = new();
+    public Dictionary<TimeSpan, List<AnnotationResult>> AnnotationResults { get; set; } = new();
         
     public MainWindow(LibVLC libVLC, MediaPlayer mediaPlayer,
         IMediator mediator,
@@ -115,38 +114,17 @@ public partial class MainWindow
             Dispatcher.Invoke(() => VideoSlider.Value = _mediaPlayer.Position * VideoSlider.Maximum);
             Dispatcher.Invoke(() => StatusClock.Text = $"{TimeSpan.FromMilliseconds(_mediaPlayer.Time):mm\\:ss} / {_formState.CurrentVideoLength:mm\\:ss}");
             
-            var curTime = _formState.GetTimeName(TimeSpan.FromMilliseconds(_mediaPlayer.Time));
-            if (!Annotations.TryGetValue(curTime, out var annotationInfos))
+            var time = TimeSpan.FromMilliseconds(_mediaPlayer.Time);
+            if (!Annotations.TryGetValue(time, out var annotations))
                 return;
 
-            var annotations = annotationInfos.Select(info =>
+            foreach (var ann in annotations)
             {
-                var annClass = _config.AnnotationClasses[info.ClassNumber];
-                var annInfo = info.ToCanvasCoordinates(Editor.RenderSize, _formState.CurrentVideoSize);
-                var annotation = Dispatcher.Invoke(() => Editor.CreateAnnotation(annClass, annInfo));
-                return annotation;
-            }).ToList();
-            
-            //remove annotations: either in 1 sec, either earlier if there is next annotation in a dictionary 
-            var timeStr = curTime.Split("_").LastOrDefault();
-            if (!int.TryParse(timeStr, out var time))
-                return;
-            
-            var ts = TimeSpan.FromMilliseconds(time * 100);
-            var timeSpanRemove = Enumerable.Range(1, (int)_annotationTime.TotalMilliseconds / 100 - 1)
-                .Select(x =>
-                {
-                    var timeNext = TimeSpan.FromMilliseconds(x * 100);
-                    var fName = _formState.GetTimeName(ts.Add(timeNext));
-                    return Annotations.ContainsKey(fName) ? timeNext : (TimeSpan?)null;
-                }).FirstOrDefault(x => x != null) ?? _annotationTime;
-            
-            _ = Task.Run(async () =>
-            {
-                await Task.Delay(timeSpanRemove);
-                Dispatcher.Invoke(() => Editor.RemoveAnnotations(annotations));
-            });
-        
+                var annClass = _config.AnnotationClasses[ann.ClassNumber];
+                var annInfo = new CanvasLabel(ann, Editor.RenderSize, _formState.CurrentVideoSize);
+                Dispatcher.Invoke(() => Editor.CreateAnnotation(annClass, time, annInfo));
+            }
+            Dispatcher.Invoke(() => Editor.ClearExpiredAnnotations(time));
         };
         
         VideoSlider.ValueChanged += (value, newValue) => 
@@ -173,26 +151,61 @@ public partial class MainWindow
     
     public void LoadExistingAnnotations()
     {
-        var dirInfo = new DirectoryInfo(_config.LabelsDirectory);
-        if (!dirInfo.Exists)
-            return;
+        Annotations = LoadAnnotations();
+        _formState.AnnotationResults = LoadAnnotationResults();
+    }
 
-        var files = dirInfo.GetFiles($"{_formState.VideoName}_*");
-        Annotations = files.ToDictionary(f => Path.GetFileNameWithoutExtension(f.Name), f =>
+    private Dictionary<TimeSpan, List<YoloLabel>> LoadAnnotations()
+    {
+        var labelDir = new DirectoryInfo(_config.LabelsDirectory);
+        if (!labelDir.Exists)
+            return new Dictionary<TimeSpan, List<YoloLabel>>();
+        
+        var labelFiles = labelDir.GetFiles($"{_formState.VideoName}_*");
+        return labelFiles.Select(x =>
         {
-            var str = File.ReadAllText(f.FullName);
-            return str.Split(Environment.NewLine).Select(AnnotationInfo.Parse)
+            var name = Path.GetFileNameWithoutExtension(x.Name);
+            return new
+            {
+                Name = x.FullName,
+                Time = _formState.GetTime(name)
+            };
+        }).ToDictionary(f => f.Time!.Value, f =>
+        {
+            var str = File.ReadAllText(f.Name);
+            return str.Split(Environment.NewLine).Select(YoloLabel.Parse)
                 .Where(x => x != null)
                 .ToList();
         })!;
     }
 
+    private List<AnnotationResult> LoadAnnotationResults()
+    {
+        var resultDir = new DirectoryInfo(_config!.ResultsDirectory);
+        if (!resultDir.Exists)
+            Directory.CreateDirectory(_config!.ResultsDirectory);
+        
+        var resultsFile = resultDir.GetFiles($"{_formState!.CurrentFile}*").FirstOrDefault();
+
+        List<AnnotationResult> results; 
+        if (resultsFile == null)
+        {
+            results = Annotations.Select(anns => new AnnotationResult(anns.Key, _formState.GetTimeName(anns.Key), anns.Value))
+                .ToList();
+            File.WriteAllText($"{_config.ResultsDirectory}/{_formState.VideoName}.json", JsonConvert.SerializeObject(results, Formatting.Indented));
+        }
+        else
+            results = JsonConvert.DeserializeObject<List<AnnotationResult>>(File.ReadAllText(File.ReadAllText(resultsFile.FullName)))!;
+        return results;
+    }
+    
+
     private void ReloadFiles()
     {
         var dir = new DirectoryInfo(_config.VideosDirectory);
         if (!dir.Exists)
             return;
-
+        
         var files = dir.GetFiles("mp4", "mov").Select(x =>
         {
             _mediaPlayer.Media = new Media(_libVLC, x.FullName);

Azaion.Annotator/PlayerControlHandler.cs

@@ -4,6 +4,7 @@ using System.Windows.Input;
 using Azaion.Annotator.DTO;
 using LibVLCSharp.Shared;
 using MediatR;
+using Newtonsoft.Json;
 
 namespace Azaion.Annotator;
 
@@ -98,56 +99,64 @@ public class PlayerControlHandler(LibVLC libVLC, MediaPlayer mediaPlayer, MainWi
 
     private async Task ControlPlayback(PlaybackControlEnum controlEnum)
     {
-        var isCtrlPressed = Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl);
-        var step = isCtrlPressed ? LARGE_STEP : STEP;
-
-        switch (controlEnum)
+        try
         {
-            case PlaybackControlEnum.Play:
-                Play();
-                break;
-            case PlaybackControlEnum.Pause:
-                mediaPlayer.Pause();
-                if (!mediaPlayer.IsPlaying) 
-                    mainWindow.BlinkHelp(HelpTexts.HelpTextsDict[HelpTextEnum.AnnotationHelp]);
-                break;
-            case PlaybackControlEnum.Stop:
-                mediaPlayer.Stop();
-                break;
-            case PlaybackControlEnum.PreviousFrame:
-                mediaPlayer.SetPause(true);
-                mediaPlayer.Time -= step;
-                mainWindow.VideoSlider.Value = mediaPlayer.Position * 100;
-                break;
-            case PlaybackControlEnum.NextFrame:
-                mediaPlayer.SetPause(true);
-                mediaPlayer.Time += step;
-                mainWindow.VideoSlider.Value = mediaPlayer.Position * 100;
-                break;
-            case PlaybackControlEnum.SaveAnnotations:
-                await SaveAnnotations();
-                break;
-            case PlaybackControlEnum.RemoveSelectedAnns:
-                mainWindow.Editor.RemoveSelectedAnns();
-                break;
-            case PlaybackControlEnum.RemoveAllAnns:
-                mainWindow.Editor.RemoveAllAnns();
-                break;
-            case PlaybackControlEnum.TurnOnVolume:
-                mainWindow.TurnOnVolumeBtn.Visibility = Visibility.Collapsed;
-                mainWindow.TurnOffVolumeBtn.Visibility = Visibility.Visible;
-                mediaPlayer.Volume = formState.CurrentVolume;
-                break;
-            case PlaybackControlEnum.TurnOffVolume:
-                mainWindow.TurnOffVolumeBtn.Visibility = Visibility.Collapsed;
-                mainWindow.TurnOnVolumeBtn.Visibility = Visibility.Visible;
-                formState.CurrentVolume = mediaPlayer.Volume;
-                mediaPlayer.Volume = 0;
-                break;
-            case PlaybackControlEnum.None:
-                break;
-            default:
-                throw new ArgumentOutOfRangeException(nameof(controlEnum), controlEnum, null);
+            var isCtrlPressed = Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl);
+            var step = isCtrlPressed ? LARGE_STEP : STEP;
+
+            switch (controlEnum)
+            {
+                case PlaybackControlEnum.Play:
+                    Play();
+                    break;
+                case PlaybackControlEnum.Pause:
+                    mediaPlayer.Pause();
+                    if (!mediaPlayer.IsPlaying) 
+                        mainWindow.BlinkHelp(HelpTexts.HelpTextsDict[HelpTextEnum.AnnotationHelp]);
+                    break;
+                case PlaybackControlEnum.Stop:
+                    mediaPlayer.Stop();
+                    break;
+                case PlaybackControlEnum.PreviousFrame:
+                    mediaPlayer.SetPause(true);
+                    mediaPlayer.Time -= step;
+                    mainWindow.VideoSlider.Value = mediaPlayer.Position * 100;
+                    break;
+                case PlaybackControlEnum.NextFrame:
+                    mediaPlayer.SetPause(true);
+                    mediaPlayer.Time += step;
+                    mainWindow.VideoSlider.Value = mediaPlayer.Position * 100;
+                    break;
+                case PlaybackControlEnum.SaveAnnotations:
+                    await SaveAnnotations();
+                    break;
+                case PlaybackControlEnum.RemoveSelectedAnns:
+                    mainWindow.Editor.RemoveSelectedAnns();
+                    break;
+                case PlaybackControlEnum.RemoveAllAnns:
+                    mainWindow.Editor.RemoveAllAnns();
+                    break;
+                case PlaybackControlEnum.TurnOnVolume:
+                    mainWindow.TurnOnVolumeBtn.Visibility = Visibility.Collapsed;
+                    mainWindow.TurnOffVolumeBtn.Visibility = Visibility.Visible;
+                    mediaPlayer.Volume = formState.CurrentVolume;
+                    break;
+                case PlaybackControlEnum.TurnOffVolume:
+                    mainWindow.TurnOffVolumeBtn.Visibility = Visibility.Collapsed;
+                    mainWindow.TurnOnVolumeBtn.Visibility = Visibility.Visible;
+                    formState.CurrentVolume = mediaPlayer.Volume;
+                    mediaPlayer.Volume = 0;
+                    break;
+                case PlaybackControlEnum.None:
+                    break;
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(controlEnum), controlEnum, null);
+            }
+        }
+        catch (Exception e)
+        {
+            Console.WriteLine(e);
+            throw;
         }
     }
 
@@ -182,9 +191,10 @@ public class PlayerControlHandler(LibVLC libVLC, MediaPlayer mediaPlayer, MainWi
         if (string.IsNullOrEmpty(formState.CurrentFile))
             return;
 
-        var fName = formState.GetTimeName(TimeSpan.FromMilliseconds(mediaPlayer.Time));
+        var time = TimeSpan.FromMilliseconds(mediaPlayer.Time);
+        var fName = formState.GetTimeName(time);
         var currentAnns = mainWindow.Editor.CurrentAnns
-            .Select(x => x.Info.ToLabelCoordinates(mainWindow.Editor.RenderSize, formState.CurrentVideoSize))
+            .Select(x => new YoloLabel(x.Info, mainWindow.Editor.RenderSize, formState.CurrentVideoSize))
             .ToList();
         var labels = string.Join(Environment.NewLine, currentAnns.Select(x => x.ToString()));
 
@@ -192,14 +202,19 @@ public class PlayerControlHandler(LibVLC libVLC, MediaPlayer mediaPlayer, MainWi
             Directory.CreateDirectory(config.LabelsDirectory);
         if (!Directory.Exists(config.ImagesDirectory))
             Directory.CreateDirectory(config.ImagesDirectory);
-                
+        if (!Directory.Exists(config.ResultsDirectory))
+            Directory.CreateDirectory(config.ResultsDirectory);
+        
         await File.WriteAllTextAsync($"{config.LabelsDirectory}/{fName}.txt", labels);
 
+        formState.AnnotationResults.Add(new AnnotationResult(time, fName, currentAnns));
+        await File.WriteAllTextAsync($"{config.ResultsDirectory}/{fName}.json", JsonConvert.SerializeObject(formState.AnnotationResults));
+        
         var resultHeight = (uint)Math.Round(RESULT_WIDTH / formState.CurrentVideoSize.Width * formState.CurrentVideoSize.Height); 
             
         mediaPlayer.TakeSnapshot(0, $"{config.ImagesDirectory}/{fName}.jpg", RESULT_WIDTH, resultHeight);
                 
-        mainWindow.Annotations[fName] = currentAnns;
+        mainWindow.Annotations[time] = currentAnns;
         mainWindow.Editor.RemoveAllAnns();
         mediaPlayer.Play();
     }

Azaion.Annotator/config.json

@@ -1,7 +1,8 @@
 {
-  "VideosDirectory": "D:\\dev\\azaion\\ai\\ai-data",
-  "LabelsDirectory": "D:\\dev\\azaion\\ai\\ai-data\\Azaion.Annotator\\labels",
-  "ImagesDirectory": "D:\\dev\\azaion\\ai\\ai-data\\Azaion.Annotator\\images",
+  "VideosDirectory": "E:\\Azaion3\\Videos",
+  "LabelsDirectory": "E:\\labels",
+  "ImagesDirectory": "E:\\images",
+  "ResultsDirectory": "E:\\results",
   "AnnotationClasses": [
     {
       "Id": 0,

New Text Document.txt

@@ -0,0 +1,5 @@
+гармата D20 D30 діацинт мста
+макет
+активність живої сили
+вигорівша трава від пострілів
+ящики