repo creation with initial code after cloning public repo

2026-02-19 07:36:25 -05:00
commit 460884fea3
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+using System;
+using System.Diagnostics.CodeAnalysis;
+using Jellyfin.MediaEncoding.Keyframes;
+using Microsoft.Extensions.Logging;
+using Extractor = Jellyfin.MediaEncoding.Keyframes.Matroska.MatroskaKeyframeExtractor;
+
+namespace Jellyfin.MediaEncoding.Hls.Extractors;
+
+/// <inheritdoc />
+public class MatroskaKeyframeExtractor : IKeyframeExtractor
+{
+    private readonly ILogger<MatroskaKeyframeExtractor> _logger;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="MatroskaKeyframeExtractor"/> class.
+    /// </summary>
+    /// <param name="logger">An instance of the <see cref="ILogger{MatroskaKeyframeExtractor}"/> interface.</param>
+    public MatroskaKeyframeExtractor(ILogger<MatroskaKeyframeExtractor> logger)
+    {
+        _logger = logger;
+    }
+
+    /// <inheritdoc />
+    public bool IsMetadataBased => true;
+
+    /// <inheritdoc />
+    public bool TryExtractKeyframes(Guid itemId, string filePath, [NotNullWhen(true)] out KeyframeData? keyframeData)
+    {
+        if (!filePath.AsSpan().EndsWith(".mkv", StringComparison.OrdinalIgnoreCase))
+        {
+            keyframeData = null;
+            return false;
+        }
+
+        try
+        {
+            keyframeData = Extractor.GetKeyframeData(filePath);
+            return keyframeData.KeyframeTicks.Count > 0;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Extracting keyframes from {FilePath} using matroska metadata failed", filePath);
+        }
+
+        keyframeData = null;
+        return false;
+    }
+}