diff options
Diffstat (limited to 'Emby.Server.Implementations/MediaEncoder/EncodingManager.cs')
| -rw-r--r-- | Emby.Server.Implementations/MediaEncoder/EncodingManager.cs | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs deleted file mode 100644 index eb55e32c5..000000000 --- a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs +++ /dev/null @@ -1,272 +0,0 @@ -#nullable disable - -#pragma warning disable CS1591 - -using System; -using System.Collections.Generic; -using System.Globalization; -using System.IO; -using System.Linq; -using System.Threading; -using System.Threading.Tasks; -using Jellyfin.Extensions; -using MediaBrowser.Controller.Chapters; -using MediaBrowser.Controller.Entities; -using MediaBrowser.Controller.Library; -using MediaBrowser.Controller.MediaEncoding; -using MediaBrowser.Controller.Providers; -using MediaBrowser.Model.Configuration; -using MediaBrowser.Model.Dto; -using MediaBrowser.Model.Entities; -using MediaBrowser.Model.IO; -using Microsoft.Extensions.Logging; - -namespace Emby.Server.Implementations.MediaEncoder -{ - public class EncodingManager : IEncodingManager - { - private readonly IFileSystem _fileSystem; - private readonly ILogger<EncodingManager> _logger; - private readonly IMediaEncoder _encoder; - private readonly IChapterManager _chapterManager; - private readonly ILibraryManager _libraryManager; - - /// <summary> - /// The first chapter ticks. - /// </summary> - private static readonly long _firstChapterTicks = TimeSpan.FromSeconds(15).Ticks; - - public EncodingManager( - ILogger<EncodingManager> logger, - IFileSystem fileSystem, - IMediaEncoder encoder, - IChapterManager chapterManager, - ILibraryManager libraryManager) - { - _logger = logger; - _fileSystem = fileSystem; - _encoder = encoder; - _chapterManager = chapterManager; - _libraryManager = libraryManager; - } - - /// <summary> - /// Gets the chapter images data path. - /// </summary> - /// <value>The chapter images data path.</value> - private static string GetChapterImagesPath(BaseItem item) - { - return Path.Combine(item.GetInternalMetadataPath(), "chapters"); - } - - /// <summary> - /// Determines whether [is eligible for chapter image extraction] [the specified video]. - /// </summary> - /// <param name="video">The video.</param> - /// <param name="libraryOptions">The library options for the video.</param> - /// <returns><c>true</c> if [is eligible for chapter image extraction] [the specified video]; otherwise, <c>false</c>.</returns> - private bool IsEligibleForChapterImageExtraction(Video video, LibraryOptions libraryOptions) - { - if (video.IsPlaceHolder) - { - return false; - } - - if (libraryOptions is null || !libraryOptions.EnableChapterImageExtraction) - { - return false; - } - - if (video.IsShortcut) - { - return false; - } - - if (!video.IsCompleteMedia) - { - return false; - } - - // Can't extract images if there are no video streams - return video.DefaultVideoStreamIndex.HasValue; - } - - private long GetAverageDurationBetweenChapters(IReadOnlyList<ChapterInfo> chapters) - { - if (chapters.Count < 2) - { - return 0; - } - - long sum = 0; - for (int i = 1; i < chapters.Count; i++) - { - sum += chapters[i].StartPositionTicks - chapters[i - 1].StartPositionTicks; - } - - return sum / chapters.Count; - } - - public async Task<bool> RefreshChapterImages(Video video, IDirectoryService directoryService, IReadOnlyList<ChapterInfo> chapters, bool extractImages, bool saveChapters, CancellationToken cancellationToken) - { - if (chapters.Count == 0) - { - return true; - } - - var libraryOptions = _libraryManager.GetLibraryOptions(video); - - if (!IsEligibleForChapterImageExtraction(video, libraryOptions)) - { - extractImages = false; - } - - var averageChapterDuration = GetAverageDurationBetweenChapters(chapters); - var threshold = TimeSpan.FromSeconds(1).Ticks; - if (averageChapterDuration < threshold) - { - _logger.LogInformation("Skipping chapter image extraction for {Video} as the average chapter duration {AverageDuration} was lower than the minimum threshold {Threshold}", video.Name, averageChapterDuration, threshold); - extractImages = false; - } - - var success = true; - var changesMade = false; - - var runtimeTicks = video.RunTimeTicks ?? 0; - - var currentImages = GetSavedChapterImages(video, directoryService); - - foreach (var chapter in chapters) - { - if (chapter.StartPositionTicks >= runtimeTicks) - { - _logger.LogInformation("Stopping chapter extraction for {0} because a chapter was found with a position greater than the runtime.", video.Name); - break; - } - - var path = GetChapterImagePath(video, chapter.StartPositionTicks); - - if (!currentImages.Contains(path, StringComparison.OrdinalIgnoreCase)) - { - if (extractImages) - { - cancellationToken.ThrowIfCancellationRequested(); - - try - { - // Add some time for the first chapter to make sure we don't end up with a black image - var time = chapter.StartPositionTicks == 0 ? TimeSpan.FromTicks(Math.Min(_firstChapterTicks, video.RunTimeTicks ?? 0)) : TimeSpan.FromTicks(chapter.StartPositionTicks); - - var inputPath = video.Path; - - Directory.CreateDirectory(Path.GetDirectoryName(path)); - - var container = video.Container; - var mediaSource = new MediaSourceInfo - { - VideoType = video.VideoType, - IsoType = video.IsoType, - Protocol = video.PathProtocol.Value, - }; - - var tempFile = await _encoder.ExtractVideoImage(inputPath, container, mediaSource, video.GetDefaultVideoStream(), video.Video3DFormat, time, cancellationToken).ConfigureAwait(false); - File.Copy(tempFile, path, true); - - try - { - _fileSystem.DeleteFile(tempFile); - } - catch (IOException ex) - { - _logger.LogError(ex, "Error deleting temporary chapter image encoding file {Path}", tempFile); - } - - chapter.ImagePath = path; - chapter.ImageDateModified = _fileSystem.GetLastWriteTimeUtc(path); - changesMade = true; - } - catch (Exception ex) - { - _logger.LogError(ex, "Error extracting chapter images for {0}", string.Join(',', video.Path)); - success = false; - break; - } - } - else if (!string.IsNullOrEmpty(chapter.ImagePath)) - { - chapter.ImagePath = null; - changesMade = true; - } - } - else if (!string.Equals(path, chapter.ImagePath, StringComparison.OrdinalIgnoreCase)) - { - chapter.ImagePath = path; - chapter.ImageDateModified = _fileSystem.GetLastWriteTimeUtc(path); - changesMade = true; - } - else if (libraryOptions?.EnableChapterImageExtraction != true) - { - // We have an image for the current chapter but the user has disabled chapter image extraction -> delete this chapter's image - chapter.ImagePath = null; - changesMade = true; - } - } - - if (saveChapters && changesMade) - { - _chapterManager.SaveChapters(video.Id, chapters); - } - - DeleteDeadImages(currentImages, chapters); - - return success; - } - - private string GetChapterImagePath(Video video, long chapterPositionTicks) - { - var filename = video.DateModified.Ticks.ToString(CultureInfo.InvariantCulture) + "_" + chapterPositionTicks.ToString(CultureInfo.InvariantCulture) + ".jpg"; - - return Path.Combine(GetChapterImagesPath(video), filename); - } - - private static IReadOnlyList<string> GetSavedChapterImages(Video video, IDirectoryService directoryService) - { - var path = GetChapterImagesPath(video); - if (!Directory.Exists(path)) - { - return Array.Empty<string>(); - } - - try - { - return directoryService.GetFilePaths(path); - } - catch (IOException) - { - return Array.Empty<string>(); - } - } - - private void DeleteDeadImages(IEnumerable<string> images, IEnumerable<ChapterInfo> chapters) - { - var deadImages = images - .Except(chapters.Select(i => i.ImagePath).Where(i => !string.IsNullOrEmpty(i)), StringComparer.OrdinalIgnoreCase) - .Where(i => BaseItem.SupportedImageExtensions.Contains(Path.GetExtension(i.AsSpan()), StringComparison.OrdinalIgnoreCase)) - .ToList(); - - foreach (var image in deadImages) - { - _logger.LogDebug("Deleting dead chapter image {Path}", image); - - try - { - _fileSystem.DeleteFile(image); - } - catch (IOException ex) - { - _logger.LogError(ex, "Error deleting {Path}.", image); - } - } - } - } -} |