Add project files.

Media/Capture/MediaFrameReader.cs

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+using TheXamlGuy.UI;
+using AForge.Video.DirectShow;
+using System.Drawing;
+using AForge.Video;
+using System.Drawing.Imaging;
+
+namespace TheXamlGuy.Media.Capture;
+
+public class MediaFrameReader : IMediaFrameReader
+{
+    private readonly VideoCaptureDevice captureDevice;
+    private bool isAquiringFrames;
+
+    internal MediaFrameReader(IMediaFrameSource frameSource)
+    {
+        captureDevice = new(frameSource.Info.Id);
+
+        captureDevice.VideoResolution = captureDevice
+            .VideoCapabilities
+            .FirstOrDefault(x => frameSource.CurrentFormat.FrameRate == x.AverageFrameRate && x.FrameSize.Equals(frameSource.CurrentFormat.Size));
+
+        captureDevice.NewFrame += OnNewFrame;
+    }
+
+    public event TypedEventHandler<IMediaFrameReader, MediaFrameArrivedEventArgs>? FrameArrived;
+
+    public void Dispose()
+    {
+        captureDevice.Stop();
+    }
+
+    public async Task StartAsync()
+    {
+        if (!captureDevice.IsRunning)
+        {
+            isAquiringFrames = true;
+            captureDevice.Start();
+        }
+
+        await Task.CompletedTask;
+    }
+
+    public async Task StopAsync()
+    {
+        if (captureDevice.IsRunning)
+        {
+            isAquiringFrames = false;
+            captureDevice.Stop();
+        }
+
+        await Task.CompletedTask;
+    }
+
+    public async Task<MediaFrame?> TryAcquireLatestFrameAsync()
+    {
+        TaskCompletionSource<Bitmap> completionSource = new();
+
+        void HandleNewFrame(object sender, NewFrameEventArgs args)
+        {
+            if (args.Frame.PixelFormat is not PixelFormat.DontCare)
+            {
+                captureDevice.NewFrame -= HandleNewFrame;
+                completionSource.SetResult(new Bitmap(args.Frame));
+            }
+        }
+
+        captureDevice.NewFrame += HandleNewFrame;
+        if (!isAquiringFrames)
+        {
+            captureDevice.Start();
+        }
+
+        Bitmap frame = await completionSource.Task;
+
+        if (!isAquiringFrames)
+        {
+            captureDevice.SignalToStop();
+            captureDevice.WaitForStop();
+        }
+
+        return new MediaFrame(frame, frame.Width, frame.Height);
+    }
+
+    private void OnNewFrame(object sender, NewFrameEventArgs args)
+    {
+        FrameArrived?.Invoke(this, new MediaFrameArrivedEventArgs());
+    }
+}