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#nullable disable
#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Data.Enums;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Subtitles;
using MediaBrowser.Model.Globalization;
using MediaBrowser.Model.Providers;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.MediaInfo
{
public class SubtitleScheduledTask : IScheduledTask
{
private readonly ILibraryManager _libraryManager;
private readonly IServerConfigurationManager _config;
private readonly ISubtitleManager _subtitleManager;
private readonly ILogger<SubtitleScheduledTask> _logger;
private readonly ILocalizationManager _localization;
public SubtitleScheduledTask(
ILibraryManager libraryManager,
IServerConfigurationManager config,
ISubtitleManager subtitleManager,
ILogger<SubtitleScheduledTask> logger,
ILocalizationManager localization)
{
_libraryManager = libraryManager;
_config = config;
_subtitleManager = subtitleManager;
_logger = logger;
_localization = localization;
}
public string Name => _localization.GetLocalizedString("TaskDownloadMissingSubtitles");
public string Description => _localization.GetLocalizedString("TaskDownloadMissingSubtitlesDescription");
public string Category => _localization.GetLocalizedString("TasksLibraryCategory");
public string Key => "DownloadSubtitles";
public bool IsHidden => false;
public bool IsEnabled => true;
public bool IsLogged => true;
private SubtitleOptions GetOptions()
{
return _config.GetConfiguration<SubtitleOptions>("subtitles");
}
/// <inheritdoc />
public async Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
{
var options = GetOptions();
var types = new[] { BaseItemKind.Episode, BaseItemKind.Movie };
var dict = new Dictionary<Guid, BaseItem>();
foreach (var library in _libraryManager.RootFolder.Children.ToList())
{
var libraryOptions = _libraryManager.GetLibraryOptions(library);
string[] subtitleDownloadLanguages;
bool skipIfEmbeddedSubtitlesPresent;
bool skipIfAudioTrackMatches;
if (libraryOptions.SubtitleDownloadLanguages is null)
{
subtitleDownloadLanguages = options.DownloadLanguages;
skipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
skipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
}
else
{
subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
skipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
skipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
}
foreach (var lang in subtitleDownloadLanguages)
{
var query = new InternalItemsQuery
{
MediaTypes = new[] { MediaType.Video },
IsVirtualItem = false,
IncludeItemTypes = types,
DtoOptions = new DtoOptions(true),
SourceTypes = new[] { SourceType.Library },
Parent = library,
Recursive = true
};
if (skipIfAudioTrackMatches)
{
query.HasNoAudioTrackWithLanguage = lang;
}
if (skipIfEmbeddedSubtitlesPresent)
{
// Exclude if it already has any subtitles of the same language
query.HasNoSubtitleTrackWithLanguage = lang;
}
else
{
// Exclude if it already has external subtitles of the same language
query.HasNoExternalSubtitleTrackWithLanguage = lang;
}
var videosByLanguage = _libraryManager.GetItemList(query);
foreach (var video in videosByLanguage)
{
dict[video.Id] = video;
}
}
}
var videos = dict.Values.ToList();
if (videos.Count == 0)
{
return;
}
var numComplete = 0;
foreach (var video in videos)
{
cancellationToken.ThrowIfCancellationRequested();
try
{
await DownloadSubtitles(video as Video, options, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error downloading subtitles for {Path}", video.Path);
}
// Update progress
numComplete++;
double percent = numComplete;
percent /= videos.Count;
progress.Report(100 * percent);
}
}
private async Task<bool> DownloadSubtitles(Video video, SubtitleOptions options, CancellationToken cancellationToken)
{
var mediaStreams = video.GetMediaStreams();
var libraryOptions = _libraryManager.GetLibraryOptions(video);
string[] subtitleDownloadLanguages;
bool skipIfEmbeddedSubtitlesPresent;
bool skipIfAudioTrackMatches;
bool requirePerfectMatch;
if (libraryOptions.SubtitleDownloadLanguages is null)
{
subtitleDownloadLanguages = options.DownloadLanguages;
skipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
skipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
requirePerfectMatch = options.RequirePerfectMatch;
}
else
{
subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
skipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
skipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
requirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
}
var downloadedLanguages = await new SubtitleDownloader(
_logger,
_subtitleManager).DownloadSubtitles(
video,
mediaStreams,
skipIfEmbeddedSubtitlesPresent,
skipIfAudioTrackMatches,
requirePerfectMatch,
subtitleDownloadLanguages,
libraryOptions.DisabledSubtitleFetchers,
libraryOptions.SubtitleFetcherOrder,
true,
cancellationToken).ConfigureAwait(false);
// Rescan
if (downloadedLanguages.Count > 0)
{
await video.RefreshMetadata(cancellationToken).ConfigureAwait(false);
return false;
}
return true;
}
/// <inheritdoc />
public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
{
return new[]
{
// Every so often
new TaskTriggerInfo { Type = TaskTriggerInfoType.IntervalTrigger, IntervalTicks = TimeSpan.FromHours(24).Ticks }
};
}
}
}
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