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59 lines
2.1 KiB
59 lines
2.1 KiB
using System;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using Emby.Naming.Common;
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using Jellyfin.Extensions;
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using Jellyfin.MediaEncoding.Keyframes;
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using MediaBrowser.Controller.MediaEncoding;
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using Microsoft.Extensions.Logging;
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using Extractor = Jellyfin.MediaEncoding.Keyframes.FfProbe.FfProbeKeyframeExtractor;
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namespace Jellyfin.MediaEncoding.Hls.Extractors;
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/// <inheritdoc />
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public class FfProbeKeyframeExtractor : IKeyframeExtractor
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{
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private readonly IMediaEncoder _mediaEncoder;
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private readonly NamingOptions _namingOptions;
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private readonly ILogger<FfProbeKeyframeExtractor> _logger;
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/// <summary>
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/// Initializes a new instance of the <see cref="FfProbeKeyframeExtractor"/> class.
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/// </summary>
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/// <param name="mediaEncoder">An instance of the <see cref="IMediaEncoder"/> interface.</param>
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/// <param name="namingOptions">An instance of <see cref="NamingOptions"/>.</param>
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/// <param name="logger">An instance of the <see cref="ILogger{FfprobeKeyframeExtractor}"/> interface.</param>
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public FfProbeKeyframeExtractor(IMediaEncoder mediaEncoder, NamingOptions namingOptions, ILogger<FfProbeKeyframeExtractor> logger)
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{
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_mediaEncoder = mediaEncoder;
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_namingOptions = namingOptions;
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_logger = logger;
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}
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/// <inheritdoc />
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public bool IsMetadataBased => false;
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/// <inheritdoc />
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public bool TryExtractKeyframes(string filePath, [NotNullWhen(true)] out KeyframeData? keyframeData)
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{
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if (!_namingOptions.VideoFileExtensions.Contains(Path.GetExtension(filePath.AsSpan()), StringComparison.OrdinalIgnoreCase))
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{
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keyframeData = null;
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return false;
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}
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try
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{
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keyframeData = Extractor.GetKeyframeData(_mediaEncoder.ProbePath, filePath);
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return keyframeData.KeyframeTicks.Count > 0;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Extracting keyframes from {FilePath} using ffprobe failed", filePath);
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}
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keyframeData = null;
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return false;
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}
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}
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