blob: 0e5f04ece0840f7a5201062a21e308b7134db19b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Data.Enums;
using Jellyfin.MediaEncoding.Hls.Extractors;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.Tasks;
namespace Jellyfin.MediaEncoding.Hls.ScheduledTasks;
/// <inheritdoc />
public class KeyframeExtractionScheduledTask : IScheduledTask
{
private readonly ILocalizationManager _localizationManager;
private readonly ILibraryManager _libraryManager;
private readonly IKeyframeExtractor[] _keyframeExtractors;
private static readonly BaseItemKind[] _itemTypes = { BaseItemKind.Episode, BaseItemKind.Movie };
/// <summary>
/// Initializes a new instance of the <see cref="KeyframeExtractionScheduledTask"/> class.
/// </summary>
/// <param name="localizationManager">An instance of the <see cref="ILocalizationManager"/> interface.</param>
/// <param name="libraryManager">An instance of the <see cref="ILibraryManager"/> interface.</param>
/// <param name="keyframeExtractors">The keyframe extractors.</param>
public KeyframeExtractionScheduledTask(ILocalizationManager localizationManager, ILibraryManager libraryManager, IEnumerable<IKeyframeExtractor> keyframeExtractors)
{
_localizationManager = localizationManager;
_libraryManager = libraryManager;
_keyframeExtractors = keyframeExtractors.ToArray();
}
/// <inheritdoc />
public string Name => "Keyframe Extractor";
/// <inheritdoc />
public string Key => "KeyframeExtraction";
/// <inheritdoc />
public string Description => "Extracts keyframes from video files to create more precise HLS playlists";
/// <inheritdoc />
public string Category => _localizationManager.GetLocalizedString("TasksLibraryCategory");
/// <inheritdoc />
public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
{
var query = new InternalItemsQuery
{
MediaTypes = new[] { MediaType.Video },
IsVirtualItem = false,
IncludeItemTypes = _itemTypes,
DtoOptions = new DtoOptions(true),
SourceTypes = new[] { SourceType.Library },
Recursive = true
};
var videos = _libraryManager.GetItemList(query);
// TODO parallelize with Parallel.ForEach?
for (var i = 0; i < videos.Count; i++)
{
var video = videos[i];
// Only local files supported
if (!video.IsFileProtocol || !File.Exists(video.Path))
{
continue;
}
for (var j = 0; j < _keyframeExtractors.Length; j++)
{
var extractor = _keyframeExtractors[j];
// The cache decorator will make sure to save them in the data dir
if (extractor.TryExtractKeyframes(video.Path, out _))
{
break;
}
}
}
return Task.CompletedTask;
}
/// <inheritdoc />
public IEnumerable<TaskTriggerInfo> GetDefaultTriggers() => Enumerable.Empty<TaskTriggerInfo>();
}
|
