Add project files.

2022-11-01 15:26:08 +00:00
parent daa7b59f22
commit 7e4f880821
408 changed files with 16863 additions and 0 deletions
@@ -0,0 +1,82 @@
+namespace TheXamlGuy.Media.Capture;
+
+public class MediaCapture : IMediaCapture
+{
+    private readonly Dictionary<IMediaFrameSource, IMediaFrameReader> frameReaderCache = new();
+
+    public IMediaFrameSource? FrameSource { get; private set; }
+
+    public async Task<IMediaFrameReader?> CreateFrameReaderAsync()
+    {
+        IMediaFrameSource? frameSource = FrameSource;
+        if (FrameSource is null)
+        {
+            if (await MediaFrameSource.FindAllAsync() is IReadOnlyList<IMediaFrameSource> { Count: > 0 } sourceGroups)
+            {
+                frameSource = sourceGroups[0];
+            }
+        }
+
+        if (frameSource is not null)
+        {
+            if (frameReaderCache.TryGetValue(frameSource, out IMediaFrameReader? frameReader))
+            {
+                return frameReader;
+            }
+
+            frameReader = new MediaFrameReader(frameSource);
+            frameReaderCache.Add(frameSource, frameReader);
+
+            return frameReader;
+        }
+
+        return default;
+    }
+
+    public async Task<IMediaFrameReader?> CreateFrameReaderAsync(IMediaFrameSource frameSource)
+    {
+        if (frameSource is not null)
+        {
+            if (frameReaderCache.TryGetValue(frameSource, out IMediaFrameReader? frameReader))
+            {
+                return frameReader;
+            }
+
+            frameReader = new MediaFrameReader(frameSource);
+            frameReaderCache.Add(frameSource, frameReader);
+
+            return await Task.FromResult(frameReader);
+        }
+
+        return default;
+    }
+
+    public void Initialize(IMediaCaptureInitializationSettings initializationSettings)
+    {
+        FrameSource = initializationSettings.Source;
+    }
+
+    public async Task<LowLagPhotoCapture?> PrepareLowLagPhotoCaptureAsync()
+    {
+        IMediaFrameSource? frameSource = FrameSource;
+        if (FrameSource is null)
+        {
+            if (await MediaFrameSource.FindAllAsync() is IReadOnlyList<IMediaFrameSource> { Count: > 0 } sourceGroups)
+            {
+                frameSource = sourceGroups[0];
+            }
+        }
+
+        if (frameSource is not null)
+        {
+            IMediaFrameReader? frameReader = await CreateFrameReaderAsync(frameSource);
+            if (frameReader is not null)
+            {
+                LowLagPhotoCapture photoCapture = new(frameReader);
+                return photoCapture;
+            }
+        }
+
+        return default;
+    }
+}