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Add pagination and fixes

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This commit is contained in:
cvium
2022-01-16 22:10:22 +01:00
parent 70751722d2
commit 90736ee346
4 changed files with 60 additions and 23 deletions
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52
src/Jellyfin.MediaEncoding.Hls/ScheduledTasks/KeyframeExtractionScheduledTask.cs
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@@ -18,6 +18,8 @@ namespace Jellyfin.MediaEncoding.Hls.ScheduledTasks;
/// <inheritdoc />
public class KeyframeExtractionScheduledTask : IScheduledTask
{
private const int Pagesize = 1000;
private readonly ILocalizationManager _localizationManager;
private readonly ILibraryManager _libraryManager;
private readonly IKeyframeExtractor[] _keyframeExtractors;
@@ -33,7 +35,7 @@ public class KeyframeExtractionScheduledTask : IScheduledTask
{
_localizationManager = localizationManager;
_libraryManager = libraryManager;
_keyframeExtractors = keyframeExtractors.ToArray();
_keyframeExtractors = keyframeExtractors.OrderByDescending(e => e.IsMetadataBased).ToArray();
}
/// <inheritdoc />
@@ -43,7 +45,7 @@ public class KeyframeExtractionScheduledTask : IScheduledTask
public string Key => "KeyframeExtraction";
/// <inheritdoc />
public string Description => "Extracts keyframes from video files to create more precise HLS playlists";
public string Description => "Extracts keyframes from video files to create more precise HLS playlists. This task may run for a long time.";
/// <inheritdoc />
public string Category => _localizationManager.GetLocalizedString("TasksLibraryCategory");
@@ -58,35 +60,49 @@ public class KeyframeExtractionScheduledTask : IScheduledTask
IncludeItemTypes = _itemTypes,
DtoOptions = new DtoOptions(true),
SourceTypes = new[] { SourceType.Library },
Recursive = true
Recursive = true,
Limit = Pagesize
};
var videos = _libraryManager.GetItemList(query);
var numberOfVideos = videos.Count;
var numberOfVideos = _libraryManager.GetCount(query);
// TODO parallelize with Parallel.ForEach?
for (var i = 0; i < numberOfVideos; i++)
var startIndex = 0;
var numComplete = 0;
while (startIndex < numberOfVideos)
{
var video = videos[i];
// Only local files supported
if (video.IsFileProtocol && File.Exists(video.Path))
query.StartIndex = startIndex;
var videos = _libraryManager.GetItemList(query);
var currentPageCount = videos.Count;
// TODO parallelize with Parallel.ForEach?
for (var i = 0; i < currentPageCount; i++)
{
for (var j = 0; j < _keyframeExtractors.Length; j++)
var video = videos[i];
// Only local files supported
if (video.IsFileProtocol && File.Exists(video.Path))
{
var extractor = _keyframeExtractors[j];
// The cache decorator will make sure to save them in the data dir
if (extractor.TryExtractKeyframes(video.Path, out _))
for (var j = 0; j < _keyframeExtractors.Length; j++)
{
break;
var extractor = _keyframeExtractors[j];
// The cache decorator will make sure to save them in the data dir
if (extractor.TryExtractKeyframes(video.Path, out _))
{
break;
}
}
}
// Update progress
numComplete++;
double percent = (double)numComplete / numberOfVideos;
progress.Report(100 * percent);
}
// Update progress
double percent = (double)(i + 1) / numberOfVideos;
progress.Report(100 * percent);
startIndex += Pagesize;
}
progress.Report(100);
return Task.CompletedTask;
}