Recognize file changes and remove data on change (#13839)

Emby.Server.Implementations/Library/KeyframeManager.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.MediaEncoding.Keyframes;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Controller.Persistence;
+
+namespace Emby.Server.Implementations.Library;
+
+/// <summary>
+/// Manager for Keyframe data.
+/// </summary>
+public class KeyframeManager : IKeyframeManager
+{
+    private readonly IKeyframeRepository _repository;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="KeyframeManager"/> class.
+    /// </summary>
+    /// <param name="repository">The keyframe repository.</param>
+    public KeyframeManager(IKeyframeRepository repository)
+    {
+        _repository = repository;
+    }
+
+    /// <inheritdoc />
+    public IReadOnlyList<KeyframeData> GetKeyframeData(Guid itemId)
+    {
+        return _repository.GetKeyframeData(itemId);
+    }
+
+    /// <inheritdoc />
+    public async Task SaveKeyframeDataAsync(Guid itemId, KeyframeData data, CancellationToken cancellationToken)
+    {
+        await _repository.SaveKeyframeDataAsync(itemId, data, cancellationToken).ConfigureAwait(false);
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteKeyframeDataAsync(Guid itemId, CancellationToken cancellationToken)
+    {
+        await _repository.DeleteKeyframeDataAsync(itemId, cancellationToken).ConfigureAwait(false);
+    }
+}