Fix some warnings

Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs

@@ -468,13 +468,15 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
             imageIdString = imageIdString.TrimEnd(',') + "]";
 
-            using var message = new HttpRequestMessage(HttpMethod.Post, ApiUrl + "/metadata/programs");
-            message.Content = new StringContent(imageIdString, Encoding.UTF8, MediaTypeNames.Application.Json);
+            using var message = new HttpRequestMessage(HttpMethod.Post, ApiUrl + "/metadata/programs")
+            {
+                Content = new StringContent(imageIdString, Encoding.UTF8, MediaTypeNames.Application.Json)
+            };
 
             try
             {
                 using var innerResponse2 = await Send(message, true, info, cancellationToken).ConfigureAwait(false);
-                await using var response = await innerResponse2.Content.ReadAsStreamAsync();
+                await using var response = await innerResponse2.Content.ReadAsStreamAsync().ConfigureAwait(false);
                 return await _jsonSerializer.DeserializeFromStreamAsync<List<ScheduleDirect.ShowImages>>(
                     response).ConfigureAwait(false);
             }

MediaBrowser.Providers/Folders/CollectionFolderMetadataService.cs

@@ -1,6 +1,5 @@
 #pragma warning disable CS1591
 
-
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;

MediaBrowser.Providers/Manager/ImageSaver.cs

@@ -7,7 +7,6 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Jellyfin.Data.Entities;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -59,6 +58,16 @@ namespace MediaBrowser.Providers.Manager
             _logger = logger;
         }
 
+        private bool EnableExtraThumbsDuplication
+        {
+            get
+            {
+                var config = _config.GetConfiguration<XbmcMetadataOptions>("xbmcmetadata");
+
+                return config.EnableExtraThumbsDuplication;
+            }
+        }
+
         /// <summary>
         /// Saves the image.
         /// </summary>
@@ -69,7 +78,7 @@ namespace MediaBrowser.Providers.Manager
         /// <param name="imageIndex">Index of the image.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task.</returns>
-        /// <exception cref="ArgumentNullException">mimeType</exception>
+        /// <exception cref="ArgumentNullException">mimeType.</exception>
         public Task SaveImage(BaseItem item, Stream source, string mimeType, ImageType type, int? imageIndex, CancellationToken cancellationToken)
         {
             return SaveImage(item, source, mimeType, type, imageIndex, null, cancellationToken);
@@ -312,7 +321,7 @@ namespace MediaBrowser.Providers.Manager
         /// <exception cref="ArgumentNullException">
         /// imageIndex
         /// or
-        /// imageIndex
+        /// imageIndex.
         /// </exception>
         private ItemImageInfo GetCurrentImage(BaseItem item, ImageType type, int imageIndex)
         {
@@ -328,7 +337,8 @@ namespace MediaBrowser.Providers.Manager
         /// <param name="path">The path.</param>
         /// <exception cref="ArgumentNullException">imageIndex
         /// or
-        /// imageIndex</exception>
+        /// imageIndex.
+        /// </exception>
         private void SetImagePath(BaseItem item, ImageType type, int? imageIndex, string path)
         {
             item.SetImagePath(type, imageIndex ?? 0, _fileSystem.GetFileInfo(path));
@@ -346,7 +356,7 @@ namespace MediaBrowser.Providers.Manager
         /// <exception cref="ArgumentNullException">
         /// imageIndex
         /// or
-        /// imageIndex
+        /// imageIndex.
         /// </exception>
         private string GetStandardSavePath(BaseItem item, ImageType type, int? imageIndex, string mimeType, bool saveLocally)
         {
@@ -500,7 +510,7 @@ namespace MediaBrowser.Providers.Manager
         /// <param name="imageIndex">Index of the image.</param>
         /// <param name="mimeType">Type of the MIME.</param>
         /// <returns>IEnumerable{System.String}.</returns>
-        /// <exception cref="ArgumentNullException">imageIndex</exception>
+        /// <exception cref="ArgumentNullException">imageIndex.</exception>
         private string[] GetCompatibleSavePaths(BaseItem item, ImageType type, int? imageIndex, string mimeType)
         {
             var season = item as Season;
@@ -604,16 +614,6 @@ namespace MediaBrowser.Providers.Manager
             return new[] { GetStandardSavePath(item, type, imageIndex, mimeType, true) };
         }
 
-        private bool EnableExtraThumbsDuplication
-        {
-            get
-            {
-                var config = _config.GetConfiguration<XbmcMetadataOptions>("xbmcmetadata");
-
-                return config.EnableExtraThumbsDuplication;
-            }
-        }
-
         /// <summary>
         /// Gets the save path for item in mixed folder.
         /// </summary>

MediaBrowser.Providers/Manager/ItemImageProvider.cs

@@ -28,6 +28,22 @@ namespace MediaBrowser.Providers.Manager
         private readonly IProviderManager _providerManager;
         private readonly IFileSystem _fileSystem;
 
+        /// <summary>
+        /// Image types that are only one per item.
+        /// </summary>
+        private readonly ImageType[] _singularImages =
+        {
+            ImageType.Primary,
+            ImageType.Art,
+            ImageType.Banner,
+            ImageType.Box,
+            ImageType.BoxRear,
+            ImageType.Disc,
+            ImageType.Logo,
+            ImageType.Menu,
+            ImageType.Thumb
+        };
+
         public ItemImageProvider(ILogger logger, IProviderManager providerManager, IFileSystem fileSystem)
         {
             _logger = logger;
@@ -175,22 +191,6 @@ namespace MediaBrowser.Providers.Manager
             }
         }
 
-        /// <summary>
-        /// Image types that are only one per item.
-        /// </summary>
-        private readonly ImageType[] _singularImages =
-        {
-            ImageType.Primary,
-            ImageType.Art,
-            ImageType.Banner,
-            ImageType.Box,
-            ImageType.BoxRear,
-            ImageType.Disc,
-            ImageType.Logo,
-            ImageType.Menu,
-            ImageType.Thumb
-        };
-
         private bool HasImage(BaseItem item, ImageType type)
         {
             return item.HasImage(type);
@@ -378,7 +378,6 @@ namespace MediaBrowser.Providers.Manager
                     }
                     else
                     {
-
                         var newDateModified = _fileSystem.GetLastWriteTimeUtc(image.FileInfo);
 
                         // If date changed then we need to reset saved image dimensions
@@ -441,7 +440,9 @@ namespace MediaBrowser.Providers.Manager
             return changed;
         }
 
-        private async Task<bool> DownloadImage(BaseItem item, LibraryOptions libraryOptions,
+        private async Task<bool> DownloadImage(
+            BaseItem item,
+            LibraryOptions libraryOptions,
             IRemoteImageProvider provider,
             RefreshResult result,
             IEnumerable<RemoteImageInfo> images,
@@ -522,11 +523,6 @@ namespace MediaBrowser.Providers.Manager
                 return false;
             }
 
-            // if (!item.IsSaveLocalMetadataEnabled())
-            //{
-            //    return true;
-            //}
-
             return true;
         }
 
@@ -539,13 +535,15 @@ namespace MediaBrowser.Providers.Manager
 
         private void SaveImageStub(BaseItem item, ImageType imageType, IEnumerable<string> urls, int newIndex)
         {
-            var path = string.Join("|", urls.Take(1).ToArray());
+            var path = string.Join('|', urls.Take(1));
 
-            item.SetImage(new ItemImageInfo
-            {
-                Path = path,
-                Type = imageType
-            }, newIndex);
+            item.SetImage(
+                new ItemImageInfo
+                {
+                    Path = path,
+                    Type = imageType
+                },
+                newIndex);
         }
 
         private async Task DownloadBackdrops(BaseItem item, LibraryOptions libraryOptions, ImageType imageType, int limit, IRemoteImageProvider provider, RefreshResult result, IEnumerable<RemoteImageInfo> images, int minWidth, CancellationToken cancellationToken)

MediaBrowser.Providers/Manager/MetadataService.cs

@@ -21,12 +21,6 @@ namespace MediaBrowser.Providers.Manager
         where TItemType : BaseItem, IHasLookupInfo<TIdType>, new()
         where TIdType : ItemLookupInfo, new()
     {
-        protected readonly IServerConfigurationManager ServerConfigurationManager;
-        protected readonly ILogger<MetadataService<TItemType, TIdType>> Logger;
-        protected readonly IProviderManager ProviderManager;
-        protected readonly IFileSystem FileSystem;
-        protected readonly ILibraryManager LibraryManager;
-
         protected MetadataService(IServerConfigurationManager serverConfigurationManager, ILogger<MetadataService<TItemType, TIdType>> logger, IProviderManager providerManager, IFileSystem fileSystem, ILibraryManager libraryManager)
         {
             ServerConfigurationManager = serverConfigurationManager;
@@ -36,6 +30,26 @@ namespace MediaBrowser.Providers.Manager
             LibraryManager = libraryManager;
         }
 
+        protected IServerConfigurationManager ServerConfigurationManager { get; }
+
+        protected ILogger<MetadataService<TItemType, TIdType>> Logger { get; }
+
+        protected IProviderManager ProviderManager { get; }
+
+        protected IFileSystem FileSystem { get; }
+
+        protected ILibraryManager LibraryManager { get; }
+
+        protected virtual bool EnableUpdatingPremiereDateFromChildren => false;
+
+        protected virtual bool EnableUpdatingGenresFromChildren => false;
+
+        protected virtual bool EnableUpdatingStudiosFromChildren => false;
+
+        protected virtual bool EnableUpdatingOfficialRatingFromChildren => false;
+
+        public virtual int Order => 0;
+
         private FileSystemMetadata TryGetFile(string path, IDirectoryService directoryService)
         {
             try
@@ -442,14 +456,6 @@ namespace MediaBrowser.Providers.Manager
             return updateType;
         }
 
-        protected virtual bool EnableUpdatingPremiereDateFromChildren => false;
-
-        protected virtual bool EnableUpdatingGenresFromChildren => false;
-
-        protected virtual bool EnableUpdatingStudiosFromChildren => false;
-
-        protected virtual bool EnableUpdatingOfficialRatingFromChildren => false;
-
         private ItemUpdateType UpdatePremiereDate(TItemType item, IList<BaseItem> children)
         {
             var updateType = ItemUpdateType.None;
@@ -658,7 +664,8 @@ namespace MediaBrowser.Providers.Manager
             return type == typeof(TItemType);
         }
 
-        protected virtual async Task<RefreshResult> RefreshWithProviders(MetadataResult<TItemType> metadata,
+        protected virtual async Task<RefreshResult> RefreshWithProviders(
+            MetadataResult<TItemType> metadata,
             TIdType id,
             MetadataRefreshOptions options,
             List<IMetadataProvider> providers,
@@ -773,7 +780,7 @@ namespace MediaBrowser.Providers.Manager
                     else
                     {
                         // TODO: If the new metadata from above has some blank data, this can cause old data to get filled into those empty fields
-                        MergeData(metadata, temp, new MetadataField[] { }, false, false);
+                        MergeData(metadata, temp, Array.Empty<MetadataField>(), false, false);
                         MergeData(temp, metadata, item.LockedFields, true, false);
                     }
                 }
@@ -900,24 +907,23 @@ namespace MediaBrowser.Providers.Manager
             }
         }
 
-        protected abstract void MergeData(MetadataResult<TItemType> source,
+        protected abstract void MergeData(
+            MetadataResult<TItemType> source,
             MetadataResult<TItemType> target,
             MetadataField[] lockedFields,
             bool replaceData,
             bool mergeMetadataSettings);
 
-        public virtual int Order => 0;
-
         private bool HasChanged(BaseItem item, IHasItemChangeMonitor changeMonitor, IDirectoryService directoryService)
         {
             try
             {
                 var hasChanged = changeMonitor.HasChanged(item, directoryService);
 
-                // if (hasChanged)
-                //{
-                //    logger.LogDebug("{0} reports change to {1}", changeMonitor.GetType().Name, item.Path ?? item.Name);
-                //}
+                if (hasChanged)
+                {
+                    Logger.LogDebug("{0} reports change to {1}", changeMonitor.GetType().Name, item.Path ?? item.Name);
+                }
 
                 return hasChanged;
             }
@@ -928,13 +934,4 @@ namespace MediaBrowser.Providers.Manager
             }
         }
     }
-
-    public class RefreshResult
-    {
-        public ItemUpdateType UpdateType { get; set; }
-
-        public string ErrorMessage { get; set; }
-
-        public int Failures { get; set; }
-    }
 }

MediaBrowser.Providers/Manager/ProviderManager.cs

@@ -9,7 +9,6 @@ using System.Net.Http;
 using System.Net.Mime;
 using System.Threading;
 using System.Threading.Tasks;
-using Jellyfin.Data.Entities;
 using Jellyfin.Data.Events;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Progress;
@@ -905,8 +904,7 @@ namespace MediaBrowser.Providers.Manager
             return provider.GetImageResponse(url, cancellationToken);
         }
 
-        /// <inheritdoc/>
-        public IEnumerable<IExternalId> GetExternalIds(IHasProviderIds item)
+        private IEnumerable<IExternalId> GetExternalIds(IHasProviderIds item)
         {
             return _externalIds.Where(i =>
             {

MediaBrowser.Providers/Manager/ProviderUtils.cs

@@ -26,12 +26,12 @@ namespace MediaBrowser.Providers.Manager
 
             if (source == null)
             {
-                throw new ArgumentNullException(nameof(source));
+                throw new ArgumentException("Item cannot be null.", nameof(sourceResult));
             }
 
             if (target == null)
             {
-                throw new ArgumentNullException(nameof(target));
+                throw new ArgumentException("Item cannot be null.", nameof(targetResult));
             }
 
             if (!lockedFields.Contains(MetadataField.Name))

MediaBrowser.Providers/Manager/RefreshResult.cs

@@ -0,0 +1,15 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Library;
+
+namespace MediaBrowser.Providers.Manager
+{
+    public class RefreshResult
+    {
+        public ItemUpdateType UpdateType { get; set; }
+
+        public string ErrorMessage { get; set; }
+
+        public int Failures { get; set; }
+    }
+}

MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs

@@ -34,6 +34,10 @@ namespace MediaBrowser.Providers.MediaInfo
             _fileSystem = fileSystem;
         }
 
+        public string AudioImagesPath => Path.Combine(_config.ApplicationPaths.CachePath, "extracted-audio-images");
+
+        public string Name => "Image Extractor";
+
         public IEnumerable<ImageType> GetSupportedImages(BaseItem item)
         {
             return new List<ImageType> { ImageType.Primary };
@@ -97,11 +101,11 @@ namespace MediaBrowser.Providers.MediaInfo
 
             if (item.GetType() == typeof(Audio))
             {
-                var albumArtist = item.AlbumArtists.FirstOrDefault();
-
-                if (!string.IsNullOrWhiteSpace(item.Album) && !string.IsNullOrWhiteSpace(albumArtist))
+                if (item.AlbumArtists.Count > 0
+                    && !string.IsNullOrWhiteSpace(item.Album)
+                    && !string.IsNullOrWhiteSpace(item.AlbumArtists[0]))
                 {
-                    filename = (item.Album + "-" + albumArtist).GetMD5().ToString("N", CultureInfo.InvariantCulture);
+                    filename = (item.Album + "-" + item.AlbumArtists[0]).GetMD5().ToString("N", CultureInfo.InvariantCulture);
                 }
                 else
                 {
@@ -121,10 +125,6 @@ namespace MediaBrowser.Providers.MediaInfo
             return Path.Join(AudioImagesPath, prefix, filename);
         }
 
-        public string AudioImagesPath => Path.Combine(_config.ApplicationPaths.CachePath, "extracted-audio-images");
-
-        public string Name => "Image Extractor";
-
         public bool Supports(BaseItem item)
         {
             if (item.IsShortcut)

MediaBrowser.Providers/MediaInfo/FFProbeAudioInfo.cs

@@ -37,7 +37,9 @@ namespace MediaBrowser.Providers.MediaInfo
             _mediaSourceManager = mediaSourceManager;
         }
 
-        public async Task<ItemUpdateType> Probe<T>(T item, MetadataRefreshOptions options,
+        public async Task<ItemUpdateType> Probe<T>(
+            T item,
+            MetadataRefreshOptions options,
             CancellationToken cancellationToken)
             where T : Audio
         {
@@ -52,19 +54,21 @@ namespace MediaBrowser.Providers.MediaInfo
                     protocol = _mediaSourceManager.GetPathProtocol(path);
                 }
 
-                var result = await _mediaEncoder.GetMediaInfo(new MediaInfoRequest
-                {
-                    MediaType = DlnaProfileType.Audio,
-                    MediaSource = new MediaSourceInfo
+                var result = await _mediaEncoder.GetMediaInfo(
+                    new MediaInfoRequest
                     {
-                        Path = path,
-                        Protocol = protocol
-                    }
-                }, cancellationToken).ConfigureAwait(false);
+                        MediaType = DlnaProfileType.Audio,
+                        MediaSource = new MediaSourceInfo
+                        {
+                            Path = path,
+                            Protocol = protocol
+                        }
+                    },
+                    cancellationToken).ConfigureAwait(false);
 
                 cancellationToken.ThrowIfCancellationRequested();
 
-                Fetch(item, cancellationToken, result);
+                Fetch(item, result, cancellationToken);
             }
 
             return ItemUpdateType.MetadataImport;
@@ -74,10 +78,9 @@ namespace MediaBrowser.Providers.MediaInfo
         /// Fetches the specified audio.
         /// </summary>
         /// <param name="audio">The audio.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
         /// <param name="mediaInfo">The media information.</param>
-        /// <returns>Task.</returns>
-        protected void Fetch(Audio audio, CancellationToken cancellationToken, Model.MediaInfo.MediaInfo mediaInfo)
+        /// <param name="cancellationToken">The cancellation token.</param>
+        protected void Fetch(Audio audio, Model.MediaInfo.MediaInfo mediaInfo, CancellationToken cancellationToken)
         {
             var mediaStreams = mediaInfo.MediaStreams;
 

MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs

@@ -5,8 +5,6 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Configuration;
-using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Chapters;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -20,9 +18,7 @@ using MediaBrowser.Controller.Providers;
 using MediaBrowser.Controller.Subtitles;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
-using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.Providers.MediaInfo
@@ -50,9 +46,43 @@ namespace MediaBrowser.Providers.MediaInfo
         private readonly IChapterManager _chapterManager;
         private readonly ILibraryManager _libraryManager;
         private readonly IMediaSourceManager _mediaSourceManager;
+        private readonly SubtitleResolver _subtitleResolver;
+
+        private readonly Task<ItemUpdateType> _cachedTask = Task.FromResult(ItemUpdateType.None);
+
+        public FFProbeProvider(
+            ILogger<FFProbeProvider> logger,
+            IMediaSourceManager mediaSourceManager,
+            IMediaEncoder mediaEncoder,
+            IItemRepository itemRepo,
+            IBlurayExaminer blurayExaminer,
+            ILocalizationManager localization,
+            IEncodingManager encodingManager,
+            IServerConfigurationManager config,
+            ISubtitleManager subtitleManager,
+            IChapterManager chapterManager,
+            ILibraryManager libraryManager)
+        {
+            _logger = logger;
+            _mediaEncoder = mediaEncoder;
+            _itemRepo = itemRepo;
+            _blurayExaminer = blurayExaminer;
+            _localization = localization;
+            _encodingManager = encodingManager;
+            _config = config;
+            _subtitleManager = subtitleManager;
+            _chapterManager = chapterManager;
+            _libraryManager = libraryManager;
+            _mediaSourceManager = mediaSourceManager;
+
+            _subtitleResolver = new SubtitleResolver(BaseItem.LocalizationManager);
+        }
 
         public string Name => "ffprobe";
 
+        // Run last
+        public int Order => 100;
+
         public bool HasChanged(BaseItem item, IDirectoryService directoryService)
         {
             var video = item as Video;
@@ -117,37 +147,6 @@ namespace MediaBrowser.Providers.MediaInfo
             return FetchAudioInfo(item, options, cancellationToken);
         }
 
-        private SubtitleResolver _subtitleResolver;
-
-        public FFProbeProvider(
-            ILogger<FFProbeProvider> logger,
-            IMediaSourceManager mediaSourceManager,
-            IMediaEncoder mediaEncoder,
-            IItemRepository itemRepo,
-            IBlurayExaminer blurayExaminer,
-            ILocalizationManager localization,
-            IEncodingManager encodingManager,
-            IServerConfigurationManager config,
-            ISubtitleManager subtitleManager,
-            IChapterManager chapterManager,
-            ILibraryManager libraryManager)
-        {
-            _logger = logger;
-            _mediaEncoder = mediaEncoder;
-            _itemRepo = itemRepo;
-            _blurayExaminer = blurayExaminer;
-            _localization = localization;
-            _encodingManager = encodingManager;
-            _config = config;
-            _subtitleManager = subtitleManager;
-            _chapterManager = chapterManager;
-            _libraryManager = libraryManager;
-            _mediaSourceManager = mediaSourceManager;
-
-            _subtitleResolver = new SubtitleResolver(BaseItem.LocalizationManager);
-        }
-
-        private readonly Task<ItemUpdateType> _cachedTask = Task.FromResult(ItemUpdateType.None);
         public Task<ItemUpdateType> FetchVideoInfo<T>(T item, MetadataRefreshOptions options, CancellationToken cancellationToken)
             where T : Video
         {
@@ -234,8 +233,5 @@ namespace MediaBrowser.Providers.MediaInfo
 
             return prober.Probe(item, options, cancellationToken);
         }
-
-        // Run last
-        public int Order => 100;
     }
 }

MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs

@@ -539,17 +539,18 @@ namespace MediaBrowser.Providers.MediaInfo
 
             if (enableSubtitleDownloading && enabled)
             {
-                var downloadedLanguages = await new SubtitleDownloader(_logger,
-                    _subtitleManager)
-                    .DownloadSubtitles(video,
-                    currentStreams.Concat(externalSubtitleStreams).ToList(),
-                    skipIfEmbeddedSubtitlesPresent,
-                    skipIfAudioTrackMatches,
-                    requirePerfectMatch,
-                    subtitleDownloadLanguages,
-                    libraryOptions.DisabledSubtitleFetchers,
-                    libraryOptions.SubtitleFetcherOrder,
-                    cancellationToken).ConfigureAwait(false);
+                var downloadedLanguages = await new SubtitleDownloader(
+                    _logger,
+                    _subtitleManager).DownloadSubtitles(
+                        video,
+                        currentStreams.Concat(externalSubtitleStreams).ToList(),
+                        skipIfEmbeddedSubtitlesPresent,
+                        skipIfAudioTrackMatches,
+                        requirePerfectMatch,
+                        subtitleDownloadLanguages,
+                        libraryOptions.DisabledSubtitleFetchers,
+                        libraryOptions.SubtitleFetcherOrder,
+                        cancellationToken).ConfigureAwait(false);
 
                 // Rescan
                 if (downloadedLanguages.Count > 0)

MediaBrowser.Providers/MediaInfo/SubtitleDownloader.cs

@@ -42,8 +42,16 @@ namespace MediaBrowser.Providers.MediaInfo
 
             foreach (var lang in languages)
             {
-                var downloaded = await DownloadSubtitles(video, mediaStreams, skipIfEmbeddedSubtitlesPresent,
-                    skipIfAudioTrackMatches, requirePerfectMatch, lang, disabledSubtitleFetchers, subtitleFetcherOrder, cancellationToken).ConfigureAwait(false);
+                var downloaded = await DownloadSubtitles(
+                    video,
+                    mediaStreams,
+                    skipIfEmbeddedSubtitlesPresent,
+                    skipIfAudioTrackMatches,
+                    requirePerfectMatch,
+                    lang,
+                    disabledSubtitleFetchers,
+                    subtitleFetcherOrder,
+                    cancellationToken).ConfigureAwait(false);
 
                 if (downloaded)
                 {
@@ -54,7 +62,8 @@ namespace MediaBrowser.Providers.MediaInfo
             return downloadedLanguages;
         }
 
-        public Task<bool> DownloadSubtitles(Video video,
+        public Task<bool> DownloadSubtitles(
+            Video video,
             List<MediaStream> mediaStreams,
             bool skipIfEmbeddedSubtitlesPresent,
             bool skipIfAudioTrackMatches,
@@ -90,11 +99,21 @@ namespace MediaBrowser.Providers.MediaInfo
                 return Task.FromResult(false);
             }
 
-            return DownloadSubtitles(video, mediaStreams, skipIfEmbeddedSubtitlesPresent, skipIfAudioTrackMatches,
-                requirePerfectMatch, lang, disabledSubtitleFetchers, subtitleFetcherOrder, mediaType, cancellationToken);
+            return DownloadSubtitles(
+                video,
+                mediaStreams,
+                skipIfEmbeddedSubtitlesPresent,
+                skipIfAudioTrackMatches,
+                requirePerfectMatch,
+                lang,
+                disabledSubtitleFetchers,
+                subtitleFetcherOrder,
+                mediaType,
+                cancellationToken);
         }
 
-        private async Task<bool> DownloadSubtitles(Video video,
+        private async Task<bool> DownloadSubtitles(
+            Video video,
             List<MediaStream> mediaStreams,
             bool skipIfEmbeddedSubtitlesPresent,
             bool skipIfAudioTrackMatches,

MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs

@@ -66,9 +66,10 @@ namespace MediaBrowser.Providers.MediaInfo
             return streams;
         }
 
-        public List<string> GetExternalSubtitleFiles(Video video,
-          IDirectoryService directoryService,
-          bool clearCache)
+        public List<string> GetExternalSubtitleFiles(
+            Video video,
+            IDirectoryService directoryService,
+            bool clearCache)
         {
             var list = new List<string>();
 
@@ -87,7 +88,9 @@ namespace MediaBrowser.Providers.MediaInfo
             return list;
         }
 
-        private void AddExternalSubtitleStreams(List<MediaStream> streams, string folder,
+        private void AddExternalSubtitleStreams(
+            List<MediaStream> streams,
+            string folder,
             string videoPath,
             int startIndex,
             IDirectoryService directoryService,
@@ -98,7 +101,8 @@ namespace MediaBrowser.Providers.MediaInfo
             AddExternalSubtitleStreams(streams, videoPath, startIndex, files);
         }
 
-        public void AddExternalSubtitleStreams(List<MediaStream> streams,
+        public void AddExternalSubtitleStreams(
+            List<MediaStream> streams,
             string videoPath,
             int startIndex,
             string[] files)
@@ -185,8 +189,8 @@ namespace MediaBrowser.Providers.MediaInfo
         private string NormalizeFilenameForSubtitleComparison(string filename)
         {
             // Try to account for sloppy file naming
-            filename = filename.Replace("_", string.Empty);
-            filename = filename.Replace(" ", string.Empty);
+            filename = filename.Replace("_", string.Empty, StringComparison.Ordinal);
+            filename = filename.Replace(" ", string.Empty, StringComparison.Ordinal);
 
             // can't normalize this due to languages such as pt-br
             // filename = filename.Replace("-", string.Empty);

MediaBrowser.Providers/MediaInfo/SubtitleScheduledTask.cs

@@ -12,11 +12,10 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Subtitles;
 using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.Providers;
-using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
-using MediaBrowser.Model.Globalization;
 
 namespace MediaBrowser.Providers.MediaInfo
 {
@@ -25,29 +24,37 @@ namespace MediaBrowser.Providers.MediaInfo
         private readonly ILibraryManager _libraryManager;
         private readonly IServerConfigurationManager _config;
         private readonly ISubtitleManager _subtitleManager;
-        private readonly IMediaSourceManager _mediaSourceManager;
         private readonly ILogger<SubtitleScheduledTask> _logger;
-        private readonly IJsonSerializer _json;
         private readonly ILocalizationManager _localization;
 
         public SubtitleScheduledTask(
             ILibraryManager libraryManager,
-            IJsonSerializer json,
             IServerConfigurationManager config,
             ISubtitleManager subtitleManager,
             ILogger<SubtitleScheduledTask> logger,
-            IMediaSourceManager mediaSourceManager,
             ILocalizationManager localization)
         {
             _libraryManager = libraryManager;
             _config = config;
             _subtitleManager = subtitleManager;
             _logger = logger;
-            _mediaSourceManager = mediaSourceManager;
-            _json = json;
             _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");
@@ -66,23 +73,23 @@ namespace MediaBrowser.Providers.MediaInfo
                 var libraryOptions = _libraryManager.GetLibraryOptions(library);
 
                 string[] subtitleDownloadLanguages;
-                bool SkipIfEmbeddedSubtitlesPresent;
-                bool SkipIfAudioTrackMatches;
-                bool RequirePerfectMatch;
+                bool skipIfEmbeddedSubtitlesPresent;
+                bool skipIfAudioTrackMatches;
+                bool requirePerfectMatch;
 
                 if (libraryOptions.SubtitleDownloadLanguages == null)
                 {
                     subtitleDownloadLanguages = options.DownloadLanguages;
-                    SkipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
-                    SkipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
-                    RequirePerfectMatch = options.RequirePerfectMatch;
+                    skipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
+                    skipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
+                    requirePerfectMatch = options.RequirePerfectMatch;
                 }
                 else
                 {
                     subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
-                    SkipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
-                    SkipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
-                    RequirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
+                    skipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
+                    skipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
+                    requirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
                 }
 
                 foreach (var lang in subtitleDownloadLanguages)
@@ -98,12 +105,12 @@ namespace MediaBrowser.Providers.MediaInfo
                         Recursive = true
                     };
 
-                    if (SkipIfAudioTrackMatches)
+                    if (skipIfAudioTrackMatches)
                     {
                         query.HasNoAudioTrackWithLanguage = lang;
                     }
 
-                    if (SkipIfEmbeddedSubtitlesPresent)
+                    if (skipIfEmbeddedSubtitlesPresent)
                     {
                         // Exclude if it already has any subtitles of the same language
                         query.HasNoSubtitleTrackWithLanguage = lang;
@@ -160,36 +167,37 @@ namespace MediaBrowser.Providers.MediaInfo
             var libraryOptions = _libraryManager.GetLibraryOptions(video);
 
             string[] subtitleDownloadLanguages;
-            bool SkipIfEmbeddedSubtitlesPresent;
-            bool SkipIfAudioTrackMatches;
-            bool RequirePerfectMatch;
+            bool skipIfEmbeddedSubtitlesPresent;
+            bool skipIfAudioTrackMatches;
+            bool requirePerfectMatch;
 
             if (libraryOptions.SubtitleDownloadLanguages == null)
             {
                 subtitleDownloadLanguages = options.DownloadLanguages;
-                SkipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
-                SkipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
-                RequirePerfectMatch = options.RequirePerfectMatch;
+                skipIfEmbeddedSubtitlesPresent = options.SkipIfEmbeddedSubtitlesPresent;
+                skipIfAudioTrackMatches = options.SkipIfAudioTrackMatches;
+                requirePerfectMatch = options.RequirePerfectMatch;
             }
             else
             {
                 subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
-                SkipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
-                SkipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
-                RequirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
+                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,
-                cancellationToken).ConfigureAwait(false);
+            var downloadedLanguages = await new SubtitleDownloader(
+                _logger,
+                _subtitleManager).DownloadSubtitles(
+                    video,
+                    mediaStreams,
+                    skipIfEmbeddedSubtitlesPresent,
+                    skipIfAudioTrackMatches,
+                    requirePerfectMatch,
+                    subtitleDownloadLanguages,
+                    libraryOptions.DisabledSubtitleFetchers,
+                    libraryOptions.SubtitleFetcherOrder,
+                    cancellationToken).ConfigureAwait(false);
 
             // Rescan
             if (downloadedLanguages.Count > 0)
@@ -203,25 +211,11 @@ namespace MediaBrowser.Providers.MediaInfo
 
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         {
-            return new[] {
-
+            return new[]
+            {
                 // Every so often
                 new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
             };
         }
-
-        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;
     }
 }

MediaBrowser.Providers/MediaInfo/VideoImageProvider.cs

@@ -29,6 +29,11 @@ namespace MediaBrowser.Providers.MediaInfo
             _fileSystem = fileSystem;
         }
 
+        public string Name => "Screen Grabber";
+
+        // Make sure this comes after internet image providers
+        public int Order => 100;
+
         public IEnumerable<ImageType> GetSupportedImages(BaseItem item)
         {
             return new List<ImageType> { ImageType.Primary };
@@ -127,8 +132,6 @@ namespace MediaBrowser.Providers.MediaInfo
             };
         }
 
-        public string Name => "Screen Grabber";
-
         public bool Supports(BaseItem item)
         {
             if (item.IsShortcut)
@@ -150,7 +153,5 @@ namespace MediaBrowser.Providers.MediaInfo
 
             return false;
         }
-        // Make sure this comes after internet image providers
-        public int Order => 100;
     }
 }

MediaBrowser.Providers/Movies/MovieExternalIds.cs → MediaBrowser.Providers/Movies/ImdbExternalId.cs

@@ -36,22 +36,4 @@ namespace MediaBrowser.Providers.Movies
             return item is Movie || item is MusicVideo || item is Series || item is Episode || item is Trailer;
         }
     }
-
-    public class ImdbPersonExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "IMDb";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.Imdb.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => ExternalIdMediaType.Person;
-
-        /// <inheritdoc />
-        public string UrlFormatString => "https://www.imdb.com/name/{0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Person;
-    }
 }

MediaBrowser.Providers/Movies/ImdbPersonExternalId.cs

@@ -0,0 +1,27 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+
+namespace MediaBrowser.Providers.Movies
+{
+    public class ImdbPersonExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "IMDb";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.Imdb.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => ExternalIdMediaType.Person;
+
+        /// <inheritdoc />
+        public string UrlFormatString => "https://www.imdb.com/name/{0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Person;
+    }
+}

MediaBrowser.Providers/Playlists/PlaylistItemsProvider.cs

@@ -10,7 +10,6 @@ using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Playlists;
 using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.IO;
 using Microsoft.Extensions.Logging;
 using PlaylistsNET.Content;
 
@@ -23,16 +22,17 @@ namespace MediaBrowser.Providers.Playlists
         IHasItemChangeMonitor
     {
         private readonly ILogger<PlaylistItemsProvider> _logger;
-        private IFileSystem _fileSystem;
 
-        public PlaylistItemsProvider(IFileSystem fileSystem, ILogger<PlaylistItemsProvider> logger)
+        public PlaylistItemsProvider(ILogger<PlaylistItemsProvider> logger)
         {
-            _fileSystem = fileSystem;
             _logger = logger;
         }
 
         public string Name => "Playlist Reader";
 
+        // Run last
+        public int Order => 100;
+
         public Task<ItemUpdateType> FetchAsync(Playlist item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             var path = item.Path;
@@ -163,7 +163,5 @@ namespace MediaBrowser.Providers.Playlists
 
             return false;
         }
-        // Run last
-        public int Order => 100;
     }
 }

MediaBrowser.Providers/Plugins/AudioDb/ArtistProvider.cs

@@ -23,16 +23,14 @@ namespace MediaBrowser.Providers.Plugins.AudioDb
 {
     public class AudioDbArtistProvider : IRemoteMetadataProvider<MusicArtist, ArtistInfo>, IHasOrder
     {
+        private const string ApiKey = "195003";
+        public const string BaseUrl = "https://www.theaudiodb.com/api/v1/json/" + ApiKey;
+
         private readonly IServerConfigurationManager _config;
         private readonly IFileSystem _fileSystem;
         private readonly IHttpClientFactory _httpClientFactory;
         private readonly IJsonSerializer _json;
 
-        public static AudioDbArtistProvider Current;
-
-        private const string ApiKey = "195003";
-        public const string BaseUrl = "https://www.theaudiodb.com/api/v1/json/" + ApiKey;
-
         public AudioDbArtistProvider(IServerConfigurationManager config, IFileSystem fileSystem, IHttpClientFactory httpClientFactory, IJsonSerializer json)
         {
             _config = config;
@@ -42,6 +40,8 @@ namespace MediaBrowser.Providers.Plugins.AudioDb
             Current = this;
         }
 
+        public static AudioDbArtistProvider Current { get; private set; }
+
         /// <inheritdoc />
         public string Name => "TheAudioDB";
 

MediaBrowser.Providers/Plugins/AudioDb/AudioDbAlbumExternalId.cs

@@ -0,0 +1,27 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+
+namespace MediaBrowser.Providers.Plugins.AudioDb
+{
+    public class AudioDbAlbumExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheAudioDb";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.AudioDbAlbum.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => null;
+
+        /// <inheritdoc />
+        public string UrlFormatString => "https://www.theaudiodb.com/album/{0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is MusicAlbum;
+    }
+}

MediaBrowser.Providers/Plugins/AudioDb/AudioDbArtistExternalId.cs

@@ -0,0 +1,27 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+
+namespace MediaBrowser.Providers.Plugins.AudioDb
+{
+    public class AudioDbArtistExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheAudioDb";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.AudioDbArtist.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => ExternalIdMediaType.Artist;
+
+        /// <inheritdoc />
+        public string UrlFormatString => "https://www.theaudiodb.com/artist/{0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is MusicArtist;
+    }
+}

MediaBrowser.Providers/Plugins/AudioDb/AudioDbOtherAlbumExternalId.cs

@@ -0,0 +1,27 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+
+namespace MediaBrowser.Providers.Plugins.AudioDb
+{
+    public class AudioDbOtherAlbumExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheAudioDb";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.AudioDbAlbum.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => ExternalIdMediaType.Album;
+
+        /// <inheritdoc />
+        public string UrlFormatString => "https://www.theaudiodb.com/album/{0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Audio;
+    }
+}

MediaBrowser.Providers/Plugins/AudioDb/AudioDbOtherArtistExternalId.cs

@@ -0,0 +1,27 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+
+namespace MediaBrowser.Providers.Plugins.AudioDb
+{
+    public class AudioDbOtherArtistExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheAudioDb";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.AudioDbArtist.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => ExternalIdMediaType.OtherArtist;
+
+        /// <inheritdoc />
+        public string UrlFormatString => "https://www.theaudiodb.com/artist/{0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Audio || item is MusicAlbum;
+    }
+}

MediaBrowser.Providers/Plugins/AudioDb/ExternalIds.cs

@@ -1,81 +0,0 @@
-#pragma warning disable CS1591
-
-using MediaBrowser.Controller.Entities.Audio;
-using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Providers;
-
-namespace MediaBrowser.Providers.Plugins.AudioDb
-{
-    public class AudioDbAlbumExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheAudioDb";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.AudioDbAlbum.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => null;
-
-        /// <inheritdoc />
-        public string UrlFormatString => "https://www.theaudiodb.com/album/{0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is MusicAlbum;
-    }
-
-    public class AudioDbOtherAlbumExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheAudioDb";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.AudioDbAlbum.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => ExternalIdMediaType.Album;
-
-        /// <inheritdoc />
-        public string UrlFormatString => "https://www.theaudiodb.com/album/{0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Audio;
-    }
-
-    public class AudioDbArtistExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheAudioDb";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.AudioDbArtist.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => ExternalIdMediaType.Artist;
-
-        /// <inheritdoc />
-        public string UrlFormatString => "https://www.theaudiodb.com/artist/{0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is MusicArtist;
-    }
-
-    public class AudioDbOtherArtistExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheAudioDb";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.AudioDbArtist.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => ExternalIdMediaType.OtherArtist;
-
-        /// <inheritdoc />
-        public string UrlFormatString => "https://www.theaudiodb.com/artist/{0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Audio || item is MusicAlbum;
-    }
-}

MediaBrowser.Providers/Plugins/AudioDb/Plugin.cs

@@ -11,6 +11,12 @@ namespace MediaBrowser.Providers.Plugins.AudioDb
 {
     public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
     {
+        public Plugin(IApplicationPaths applicationPaths, IXmlSerializer xmlSerializer)
+            : base(applicationPaths, xmlSerializer)
+        {
+            Instance = this;
+        }
+
         public static Plugin Instance { get; private set; }
 
         public override Guid Id => new Guid("a629c0da-fac5-4c7e-931a-7174223f14c8");
@@ -22,12 +28,6 @@ namespace MediaBrowser.Providers.Plugins.AudioDb
         // TODO remove when plugin removed from server.
         public override string ConfigurationFileName => "Jellyfin.Plugin.AudioDb.xml";
 
-        public Plugin(IApplicationPaths applicationPaths, IXmlSerializer xmlSerializer)
-            : base(applicationPaths, xmlSerializer)
-        {
-            Instance = this;
-        }
-
         public IEnumerable<PluginPageInfo> GetPages()
         {
             yield return new PluginPageInfo

MediaBrowser.Providers/Plugins/MusicBrainz/AlbumProvider.cs → MediaBrowser.Providers/Plugins/MusicBrainz/MusicBrainzAlbumProvider.cs

@@ -8,7 +8,6 @@ using System.IO;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
-using System.Net.Http.Headers;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -26,14 +25,6 @@ namespace MediaBrowser.Providers.Music
 {
     public class MusicBrainzAlbumProvider : IRemoteMetadataProvider<MusicAlbum, AlbumInfo>, IHasOrder
     {
-        /// <summary>
-        /// The Jellyfin user-agent is unrestricted but source IP must not exceed
-        /// one request per second, therefore we rate limit to avoid throttling.
-        /// Be prudent, use a value slightly above the minimun required.
-        /// https://musicbrainz.org/doc/XML_Web_Service/Rate_Limiting
-        /// </summary>
-        private readonly long _musicBrainzQueryIntervalMs;
-
         /// <summary>
         /// For each single MB lookup/search, this is the maximum number of
         /// attempts that shall be made whilst receiving a 503 Server
@@ -41,7 +32,13 @@ namespace MediaBrowser.Providers.Music
         /// </summary>
         private const uint MusicBrainzQueryAttempts = 5u;
 
-        internal static MusicBrainzAlbumProvider Current;
+        /// <summary>
+        /// The Jellyfin user-agent is unrestricted but source IP must not exceed
+        /// one request per second, therefore we rate limit to avoid throttling.
+        /// Be prudent, use a value slightly above the minimun required.
+        /// https://musicbrainz.org/doc/XML_Web_Service/Rate_Limiting
+        /// </summary>
+        private readonly long _musicBrainzQueryIntervalMs;
 
         private readonly IHttpClientFactory _httpClientFactory;
         private readonly IApplicationHost _appHost;
@@ -69,6 +66,8 @@ namespace MediaBrowser.Providers.Music
             Current = this;
         }
 
+        internal static MusicBrainzAlbumProvider Current { get; private set; }
+
         /// <inheritdoc />
         public string Name => "MusicBrainz";
 
@@ -112,7 +111,7 @@ namespace MediaBrowser.Providers.Music
                 else
                 {
                     // I'm sure there is a better way but for now it resolves search for 12" Mixes
-                    var queryName = searchInfo.Name.Replace("\"", string.Empty);
+                    var queryName = searchInfo.Name.Replace("\"", string.Empty, StringComparison.Ordinal);
 
                     url = string.Format(
                         CultureInfo.InvariantCulture,
@@ -277,7 +276,9 @@ namespace MediaBrowser.Providers.Music
 
         private async Task<ReleaseResult> GetReleaseResult(string albumName, string artistId, CancellationToken cancellationToken)
         {
-            var url = string.Format(CultureInfo.InvariantCulture, "/ws/2/release/?query=\"{0}\" AND arid:{1}",
+            var url = string.Format(
+                CultureInfo.InvariantCulture,
+                "/ws/2/release/?query=\"{0}\" AND arid:{1}",
                 WebUtility.UrlEncode(albumName),
                 artistId);
 
@@ -496,7 +497,7 @@ namespace MediaBrowser.Providers.Music
             }
         }
 
-        private static ValueTuple<string, string> ParseArtistCredit(XmlReader reader)
+        private static (string, string) ParseArtistCredit(XmlReader reader)
         {
             reader.MoveToContent();
             reader.Read();
@@ -531,7 +532,7 @@ namespace MediaBrowser.Providers.Music
                 }
             }
 
-            return new ValueTuple<string, string>();
+            return default;
         }
 
         private static (string, string) ParseArtistNameCredit(XmlReader reader)

MediaBrowser.Providers/Plugins/Omdb/OmdbImageProvider.cs

@@ -36,6 +36,12 @@ namespace MediaBrowser.Providers.Plugins.Omdb
             _appHost = appHost;
         }
 
+        public string Name => "The Open Movie Database";
+
+        // After other internet providers, because they're better
+        // But before fallback providers like screengrab
+        public int Order => 90;
+
         public IEnumerable<ImageType> GetSupportedImages(BaseItem item)
         {
             return new List<ImageType>
@@ -86,15 +92,9 @@ namespace MediaBrowser.Providers.Plugins.Omdb
             return _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(url, cancellationToken);
         }
 
-        public string Name => "The Open Movie Database";
-
         public bool Supports(BaseItem item)
         {
             return item is Movie || item is Trailer || item is Episode;
         }
-
-        // After other internet providers, because they're better
-        // But before fallback providers like screengrab
-        public int Order => 90;
     }
 }

MediaBrowser.Providers/Plugins/Omdb/OmdbItemProvider.cs

@@ -49,6 +49,8 @@ namespace MediaBrowser.Providers.Plugins.Omdb
             _appHost = appHost;
         }
 
+        public string Name => "The Open Movie Database";
+
         // After primary option
         public int Order => 2;
 
@@ -199,8 +201,6 @@ namespace MediaBrowser.Providers.Plugins.Omdb
             return GetSearchResults(searchInfo, "movie", cancellationToken);
         }
 
-        public string Name => "The Open Movie Database";
-
         public async Task<MetadataResult<Series>> GetMetadata(SeriesInfo info, CancellationToken cancellationToken)
         {
             var result = new MetadataResult<Series>
@@ -263,14 +263,14 @@ namespace MediaBrowser.Providers.Plugins.Omdb
         {
             var results = await GetSearchResultsInternal(info, "movie", false, cancellationToken).ConfigureAwait(false);
             var first = results.FirstOrDefault();
-            return first == null ? null : first.GetProviderId(MetadataProvider.Imdb);
+            return first?.GetProviderId(MetadataProvider.Imdb);
         }
 
         private async Task<string> GetSeriesImdbId(SeriesInfo info, CancellationToken cancellationToken)
         {
             var results = await GetSearchResultsInternal(info, "series", false, cancellationToken).ConfigureAwait(false);
             var first = results.FirstOrDefault();
-            return first == null ? null : first.GetProviderId(MetadataProvider.Imdb);
+            return first?.GetProviderId(MetadataProvider.Imdb);
         }
 
         public Task<HttpResponseMessage> GetImageResponse(string url, CancellationToken cancellationToken)
@@ -278,7 +278,7 @@ namespace MediaBrowser.Providers.Plugins.Omdb
             return _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(url, cancellationToken);
         }
 
-        class SearchResult
+        private class SearchResult
         {
             public string Title { get; set; }
 

MediaBrowser.Providers/TV/DummySeasonProvider.cs

@@ -124,7 +124,8 @@ namespace MediaBrowser.Providers.TV
         /// <summary>
         /// Adds the season.
         /// </summary>
-        public async Task<Season> AddSeason(Series series,
+        public async Task<Season> AddSeason(
+            Series series,
             int? seasonNumber,
             bool isVirtualItem,
             CancellationToken cancellationToken)
@@ -211,11 +212,14 @@ namespace MediaBrowser.Providers.TV
             {
                 _logger.LogInformation("Removing virtual season {0} {1}", series.Name, seasonToRemove.IndexNumber);
 
-                _libraryManager.DeleteItem(seasonToRemove, new DeleteOptions
-                {
-                    DeleteFileLocation = true
+                _libraryManager.DeleteItem(
+                    seasonToRemove,
+                    new DeleteOptions
+                    {
+                        DeleteFileLocation = true
 
-                }, false);
+                    },
+                    false);
 
                 hasChanges = true;
             }

MediaBrowser.Providers/TV/MissingEpisodeProvider.cs

@@ -159,7 +159,7 @@ namespace MediaBrowser.Providers.TV
 
                 var now = DateTime.UtcNow.AddDays(-UnairedEpisodeThresholdDays);
 
-                if (airDate < now && addMissingEpisodes || airDate > now)
+                if ((airDate < now && addMissingEpisodes) || airDate > now)
                 {
                     // tvdb has a lot of nearly blank episodes
                     _logger.LogInformation("Creating virtual missing/unaired episode {0} {1}x{2}", series.Name, tuple.seasonNumber, tuple.episodenumber);
@@ -232,10 +232,13 @@ namespace MediaBrowser.Providers.TV
 
             foreach (var episodeToRemove in episodesToRemove)
             {
-                _libraryManager.DeleteItem(episodeToRemove, new DeleteOptions
-                {
-                    DeleteFileLocation = true
-                }, false);
+                _libraryManager.DeleteItem(
+                    episodeToRemove,
+                    new DeleteOptions
+                    {
+                        DeleteFileLocation = true
+                    },
+                    false);
 
                 hasChanges = true;
             }
@@ -246,7 +249,7 @@ namespace MediaBrowser.Providers.TV
         /// <summary>
         /// Removes the obsolete or missing seasons.
         /// </summary>
-        /// <param name="allRecursiveChildren"></param>
+        /// <param name="allRecursiveChildren">All recursive children.</param>
         /// <param name="episodeLookup">The episode lookup.</param>
         /// <returns><see cref="bool" />.</returns>
         private bool RemoveObsoleteOrMissingSeasons(
@@ -297,10 +300,13 @@ namespace MediaBrowser.Providers.TV
 
             foreach (var seasonToRemove in seasonsToRemove)
             {
-                _libraryManager.DeleteItem(seasonToRemove, new DeleteOptions
-                {
-                    DeleteFileLocation = true
-                }, false);
+                _libraryManager.DeleteItem(
+                    seasonToRemove,
+                    new DeleteOptions
+                    {
+                        DeleteFileLocation = true
+                    },
+                    false);
 
                 hasChanges = true;
             }
@@ -354,7 +360,10 @@ namespace MediaBrowser.Providers.TV
         /// <param name="seasonCounts"></param>
         /// <param name="episodeTuple"></param>
         /// <returns>Episode.</returns>
-        private Episode GetExistingEpisode(IEnumerable<Episode> existingEpisodes, IReadOnlyDictionary<int, int> seasonCounts, (int seasonNumber, int episodeNumber, DateTime firstAired) episodeTuple)
+        private Episode GetExistingEpisode(
+            IEnumerable<Episode> existingEpisodes,
+            IReadOnlyDictionary<int, int> seasonCounts,
+            (int seasonNumber, int episodeNumber, DateTime firstAired) episodeTuple)
         {
             var seasonNumber = episodeTuple.seasonNumber;
             var episodeNumber = episodeTuple.episodeNumber;

MediaBrowser.Providers/TV/TvExternalIds.cs

@@ -1,82 +0,0 @@
-#pragma warning disable CS1591
-
-using MediaBrowser.Controller.Entities.TV;
-using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Providers;
-using MediaBrowser.Providers.Plugins.TheTvdb;
-
-namespace MediaBrowser.Providers.TV
-{
-    public class Zap2ItExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "Zap2It";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.Zap2It.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => null;
-
-        /// <inheritdoc />
-        public string UrlFormatString => "http://tvlistings.zap2it.com/overview.html?programSeriesId={0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Series;
-    }
-
-    public class TvdbExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheTVDB";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.Tvdb.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => null;
-
-        /// <inheritdoc />
-        public string UrlFormatString => TvdbUtils.TvdbBaseUrl + "?tab=series&id={0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Series;
-    }
-
-    public class TvdbSeasonExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheTVDB";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.Tvdb.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => ExternalIdMediaType.Season;
-
-        /// <inheritdoc />
-        public string UrlFormatString => null;
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Season;
-    }
-
-    public class TvdbEpisodeExternalId : IExternalId
-    {
-        /// <inheritdoc />
-        public string ProviderName => "TheTVDB";
-
-        /// <inheritdoc />
-        public string Key => MetadataProvider.Tvdb.ToString();
-
-        /// <inheritdoc />
-        public ExternalIdMediaType? Type => ExternalIdMediaType.Episode;
-
-        /// <inheritdoc />
-        public string UrlFormatString => TvdbUtils.TvdbBaseUrl + "?tab=episode&id={0}";
-
-        /// <inheritdoc />
-        public bool Supports(IHasProviderIds item) => item is Episode;
-    }
-}

MediaBrowser.Providers/TV/TvdbEpisodeExternalId.cs

@@ -0,0 +1,28 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+using MediaBrowser.Providers.Plugins.TheTvdb;
+
+namespace MediaBrowser.Providers.TV
+{
+    public class TvdbEpisodeExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheTVDB";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.Tvdb.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => ExternalIdMediaType.Episode;
+
+        /// <inheritdoc />
+        public string UrlFormatString => TvdbUtils.TvdbBaseUrl + "?tab=episode&id={0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Episode;
+    }
+}

MediaBrowser.Providers/TV/TvdbExternalId.cs

@@ -0,0 +1,28 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+using MediaBrowser.Providers.Plugins.TheTvdb;
+
+namespace MediaBrowser.Providers.TV
+{
+    public class TvdbExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheTVDB";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.Tvdb.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => null;
+
+        /// <inheritdoc />
+        public string UrlFormatString => TvdbUtils.TvdbBaseUrl + "?tab=series&id={0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Series;
+    }
+}

MediaBrowser.Providers/TV/TvdbSeasonExternalId.cs

@@ -0,0 +1,28 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+using MediaBrowser.Providers.Plugins.TheTvdb;
+
+namespace MediaBrowser.Providers.TV
+{
+    public class TvdbSeasonExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "TheTVDB";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.Tvdb.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => ExternalIdMediaType.Season;
+
+        /// <inheritdoc />
+        public string UrlFormatString => null;
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Season;
+    }
+}

MediaBrowser.Providers/TV/Zap2ItExternalId.cs

@@ -0,0 +1,28 @@
+#pragma warning disable CS1591
+
+using MediaBrowser.Controller.Entities.TV;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Providers;
+using MediaBrowser.Providers.Plugins.TheTvdb;
+
+namespace MediaBrowser.Providers.TV
+{
+    public class Zap2ItExternalId : IExternalId
+    {
+        /// <inheritdoc />
+        public string ProviderName => "Zap2It";
+
+        /// <inheritdoc />
+        public string Key => MetadataProvider.Zap2It.ToString();
+
+        /// <inheritdoc />
+        public ExternalIdMediaType? Type => null;
+
+        /// <inheritdoc />
+        public string UrlFormatString => "http://tvlistings.zap2it.com/overview.html?programSeriesId={0}";
+
+        /// <inheritdoc />
+        public bool Supports(IHasProviderIds item) => item is Series;
+    }
+}