mirror of
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225 lines
8.2 KiB
C#
225 lines
8.2 KiB
C#
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Movies;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Subtitles;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Providers;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using System.IO;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.Tasks;
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using MediaBrowser.Model.Extensions;
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namespace MediaBrowser.Providers.MediaInfo
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{
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public class SubtitleScheduledTask : IScheduledTask
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{
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private readonly ILibraryManager _libraryManager;
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private readonly IServerConfigurationManager _config;
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private readonly ISubtitleManager _subtitleManager;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly ILogger _logger;
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private readonly IJsonSerializer _json;
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public SubtitleScheduledTask(ILibraryManager libraryManager, IJsonSerializer json, IServerConfigurationManager config, ISubtitleManager subtitleManager, ILogger logger, IMediaSourceManager mediaSourceManager)
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{
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_libraryManager = libraryManager;
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_config = config;
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_subtitleManager = subtitleManager;
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_logger = logger;
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_mediaSourceManager = mediaSourceManager;
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_json = json;
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}
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public string Name
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{
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get { return "Download missing subtitles"; }
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}
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public string Description
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{
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get { return "Searches the internet for missing subtitles based on metadata configuration."; }
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}
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public string Category
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{
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get { return "Library"; }
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}
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private SubtitleOptions GetOptions()
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{
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return _config.GetConfiguration<SubtitleOptions>("subtitles");
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}
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public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
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{
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var options = GetOptions();
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var types = new[] { "Episode", "Movie" };
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var dict = new Dictionary<Guid, BaseItem>();
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foreach (var library in _libraryManager.RootFolder.Children.ToList())
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{
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var libraryOptions = _libraryManager.GetLibraryOptions(library);
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string[] subtitleDownloadLanguages;
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bool SkipIfEmbeddedSubtitlesPresent;
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bool SkipIfAudioTrackMatches;
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bool RequirePerfectMatch;
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if (libraryOptions.SubtitleDownloadLanguages == null)
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{
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subtitleDownloadLanguages = options.DownloadLanguages;
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SkipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
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SkipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
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RequirePerfectMatch = options.RequirePerfectMatch;
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}
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else
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{
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subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
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SkipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
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SkipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
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RequirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
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}
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foreach (var lang in subtitleDownloadLanguages)
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{
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var query = new InternalItemsQuery
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{
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MediaTypes = new string[] { MediaType.Video },
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IsVirtualItem = false,
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IncludeItemTypes = types,
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DtoOptions = new DtoOptions(true),
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SourceTypes = new[] { SourceType.Library },
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Parent = library,
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Recursive = true
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};
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if (SkipIfAudioTrackMatches)
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{
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query.HasNoAudioTrackWithLanguage = lang;
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}
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if (SkipIfEmbeddedSubtitlesPresent)
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{
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// Exclude if it already has any subtitles of the same language
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query.HasNoSubtitleTrackWithLanguage = lang;
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}
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else
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{
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// Exclude if it already has external subtitles of the same language
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query.HasNoExternalSubtitleTrackWithLanguage = lang;
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}
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var videosByLanguage = _libraryManager.GetItemList(query);
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foreach (var video in videosByLanguage)
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{
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dict[video.Id] = video;
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}
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}
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}
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var videos = dict.Values.ToList();
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if (videos.Count == 0)
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{
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return;
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}
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var numComplete = 0;
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foreach (var video in videos)
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{
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cancellationToken.ThrowIfCancellationRequested();
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try
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{
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await DownloadSubtitles(video as Video, options, cancellationToken).ConfigureAwait(false);
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error downloading subtitles for {0}", ex, video.Path);
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}
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// Update progress
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numComplete++;
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double percent = numComplete;
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percent /= videos.Count;
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progress.Report(100 * percent);
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}
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}
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private async Task<bool> DownloadSubtitles(Video video, SubtitleOptions options, CancellationToken cancellationToken)
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{
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var mediaStreams = video.GetMediaStreams();
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var libraryOptions = _libraryManager.GetLibraryOptions(video);
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string[] subtitleDownloadLanguages;
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bool SkipIfEmbeddedSubtitlesPresent;
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bool SkipIfAudioTrackMatches;
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bool RequirePerfectMatch;
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if (libraryOptions.SubtitleDownloadLanguages == null)
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{
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subtitleDownloadLanguages = options.DownloadLanguages;
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SkipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
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SkipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
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RequirePerfectMatch = options.RequirePerfectMatch;
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}
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else
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{
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subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
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SkipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
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SkipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
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RequirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
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}
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var downloadedLanguages = await new SubtitleDownloader(_logger,
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_subtitleManager)
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.DownloadSubtitles(video,
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mediaStreams,
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SkipIfEmbeddedSubtitlesPresent,
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SkipIfAudioTrackMatches,
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RequirePerfectMatch,
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subtitleDownloadLanguages,
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libraryOptions.DisabledSubtitleFetchers,
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libraryOptions.SubtitleFetcherOrder,
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cancellationToken).ConfigureAwait(false);
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// Rescan
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if (downloadedLanguages.Count > 0)
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{
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await video.RefreshMetadata(cancellationToken).ConfigureAwait(false);
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return false;
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}
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return true;
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}
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public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
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{
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return new[] {
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// Every so often
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new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
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};
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}
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public string Key
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{
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get { return "DownloadSubtitles"; }
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}
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}
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}
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