Merge remote-tracking branch 'upstream/master' into development-https

14 files changed, 186 insertions, 151 deletions

diff --git a/MediaBrowser.Providers/Chapters/ChapterManager.cs b/MediaBrowser.Providers/Chapters/ChapterManager.cs
index 45e87f137e..3cbfe7d4d7 100644
--- a/MediaBrowser.Providers/Chapters/ChapterManager.cs
+++ b/MediaBrowser.Providers/Chapters/ChapterManager.cs
@@ -1,36 +1,26 @@
+#pragma warning disable CS1591
+
 using System;
 using System.Collections.Generic;
 using MediaBrowser.Controller.Chapters;
-using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Entities;
-using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.Providers.Chapters
 {
     public class ChapterManager : IChapterManager
     {
-        private readonly ILibraryManager _libraryManager;
-        private readonly ILogger _logger;
-        private readonly IServerConfigurationManager _config;
         private readonly IItemRepository _itemRepo;
 
-        public ChapterManager(
-            ILibraryManager libraryManager,
-            ILoggerFactory loggerFactory,
-            IServerConfigurationManager config,
-            IItemRepository itemRepo)
+        public ChapterManager(IItemRepository itemRepo)
         {
-            _libraryManager = libraryManager;
-            _logger = loggerFactory.CreateLogger(nameof(ChapterManager));
-            _config = config;
             _itemRepo = itemRepo;
         }
 
-        public void SaveChapters(string itemId, List<ChapterInfo> chapters)
+        /// <inheritdoc />
+        public void SaveChapters(Guid itemId, IReadOnlyList<ChapterInfo> chapters)
         {
-            _itemRepo.SaveChapters(new Guid(itemId), chapters);
+            _itemRepo.SaveChapters(itemId, chapters);
         }
     }
 }
diff --git a/MediaBrowser.Providers/Manager/ProviderManager.cs b/MediaBrowser.Providers/Manager/ProviderManager.cs
index e7b349f67b..7125f34c55 100644
--- a/MediaBrowser.Providers/Manager/ProviderManager.cs
+++ b/MediaBrowser.Providers/Manager/ProviderManager.cs
@@ -1,5 +1,9 @@
+#pragma warning disable CS1591
+
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -897,7 +901,10 @@ namespace MediaBrowser.Providers.Manager
                 return new ExternalUrl
                 {
                     Name = i.Name,
-                    Url = string.Format(i.UrlFormatString, value)
+                    Url = string.Format(
+                        CultureInfo.InvariantCulture,
+                        i.UrlFormatString,
+                        value)
                 };
 
             }).Where(i => i != null).Concat(item.GetRelatedUrls());
@@ -911,11 +918,10 @@ namespace MediaBrowser.Providers.Manager
                     Name = i.Name,
                     Key = i.Key,
                     UrlFormatString = i.UrlFormatString
-
                 });
         }
 
-        private Dictionary<Guid, double> _activeRefreshes = new Dictionary<Guid, double>();
+        private ConcurrentDictionary<Guid, double> _activeRefreshes = new ConcurrentDictionary<Guid, double>();
 
         public Dictionary<Guid, Guid> GetRefreshQueue()
         {
@@ -927,66 +933,54 @@ namespace MediaBrowser.Providers.Manager
                 {
                     dict[item.Item1] = item.Item1;
                 }
+
                 return dict;
             }
         }
 
         public void OnRefreshStart(BaseItem item)
         {
-            //_logger.LogInformation("OnRefreshStart {0}", item.Id.ToString("N", CultureInfo.InvariantCulture));
-            var id = item.Id;
-
-            lock (_activeRefreshes)
-            {
-                _activeRefreshes[id] = 0;
-            }
-
+            _logger.LogInformation("OnRefreshStart {0}", item.Id.ToString("N", CultureInfo.InvariantCulture));
+            _activeRefreshes[item.Id] = 0;
             RefreshStarted?.Invoke(this, new GenericEventArgs<BaseItem>(item));
         }
 
         public void OnRefreshComplete(BaseItem item)
         {
-            //_logger.LogInformation("OnRefreshComplete {0}", item.Id.ToString("N", CultureInfo.InvariantCulture));
-            lock (_activeRefreshes)
-            {
-                _activeRefreshes.Remove(item.Id);
-            }
+            _logger.LogInformation("OnRefreshComplete {0}", item.Id.ToString("N", CultureInfo.InvariantCulture));
+
+            _activeRefreshes.Remove(item.Id, out _);
 
             RefreshCompleted?.Invoke(this, new GenericEventArgs<BaseItem>(item));
         }
 
         public double? GetRefreshProgress(Guid id)
         {
-            lock (_activeRefreshes)
+            if (_activeRefreshes.TryGetValue(id, out double value))
             {
-                if (_activeRefreshes.TryGetValue(id, out double value))
-                {
-                    return value;
-                }
-
-                return null;
+                return value;
             }
+
+            return null;
         }
 
         public void OnRefreshProgress(BaseItem item, double progress)
         {
-            //_logger.LogInformation("OnRefreshProgress {0} {1}", item.Id.ToString("N", CultureInfo.InvariantCulture), progress);
             var id = item.Id;
-
-            lock (_activeRefreshes)
-            {
-                if (_activeRefreshes.ContainsKey(id))
-                {
-                    _activeRefreshes[id] = progress;
-
-                    RefreshProgress?.Invoke(this, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(item, progress)));
-                }
-                else
-                {
-                    // TODO: Need to hunt down the conditions for this happening
-                    //throw new Exception(string.Format("Refresh for item {0} {1} is not in progress", item.GetType().Name, item.Id.ToString("N", CultureInfo.InvariantCulture)));
-                }
-            }
+            _logger.LogInformation("OnRefreshProgress {0} {1}", id.ToString("N", CultureInfo.InvariantCulture), progress);
+
+            // TODO: Need to hunt down the conditions for this happening
+            _activeRefreshes.AddOrUpdate(
+                id,
+                (_) => throw new Exception(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "Cannot update refresh progress of item '{0}' ({1}) because a refresh for this item is not running",
+                        item.GetType().Name,
+                        item.Id.ToString("N", CultureInfo.InvariantCulture))),
+                (_, __) => progress);
+
+            RefreshProgress?.Invoke(this, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(item, progress)));
         }
 
         private readonly SimplePriorityQueue<Tuple<Guid, MetadataRefreshOptions>> _refreshQueue =
@@ -1040,10 +1034,9 @@ namespace MediaBrowser.Providers.Manager
                         // Try to throttle this a little bit.
                         await Task.Delay(100).ConfigureAwait(false);
 
-                        var artist = item as MusicArtist;
-                        var task = artist == null
-                            ? RefreshItem(item, refreshItem.Item2, cancellationToken)
-                            : RefreshArtist(artist, refreshItem.Item2, cancellationToken);
+                        var task = item is MusicArtist artist
+                            ? RefreshArtist(artist, refreshItem.Item2, cancellationToken)
+                            : RefreshItem(item, refreshItem.Item2, cancellationToken);
 
                         await task.ConfigureAwait(false);
                     }
@@ -1125,8 +1118,7 @@ namespace MediaBrowser.Providers.Manager
             }
         }
 
-        public Task RefreshFullItem(BaseItem item, MetadataRefreshOptions options,
-            CancellationToken cancellationToken)
+        public Task RefreshFullItem(BaseItem item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return RefreshItem(item, options, cancellationToken);
         }
diff --git a/MediaBrowser.Providers/MediaBrowser.Providers.csproj b/MediaBrowser.Providers/MediaBrowser.Providers.csproj
index dfe3eb2ef6..330a4d1e53 100644
--- a/MediaBrowser.Providers/MediaBrowser.Providers.csproj
+++ b/MediaBrowser.Providers/MediaBrowser.Providers.csproj
@@ -11,8 +11,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.1.1" />
-    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="3.1.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.1.3" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="3.1.3" />
     <PackageReference Include="OptimizedPriorityQueue" Version="4.2.0" />
     <PackageReference Include="PlaylistsNET" Version="1.0.4" />
     <PackageReference Include="TvDbSharper" Version="3.0.1" />
@@ -24,6 +24,18 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
+  <!-- Code Analyzers-->
+  <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8" PrivateAssets="All" />
+    <PackageReference Include="SerilogAnalyzer" Version="0.15.0" PrivateAssets="All" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="All" />
+    <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" />
+  </ItemGroup>
+
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+
   <ItemGroup>
     <None Remove="Plugins\AudioDb\Configuration\config.html" />
     <EmbeddedResource Include="Plugins\AudioDb\Configuration\config.html" />
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs b/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
index db6e49634c..3999025d8e 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
@@ -194,7 +194,19 @@ namespace MediaBrowser.Providers.MediaInfo
                 FetchShortcutInfo(item);
             }
 
-            var prober = new FFProbeVideoInfo(_logger, _mediaSourceManager, _isoManager, _mediaEncoder, _itemRepo, _blurayExaminer, _localization, _appPaths, _json, _encodingManager, _fileSystem, _config, _subtitleManager, _chapterManager, _libraryManager);
+            var prober = new FFProbeVideoInfo(
+                _logger,
+                _mediaSourceManager,
+                _mediaEncoder,
+                _itemRepo,
+                _blurayExaminer,
+                _localization,
+                _encodingManager,
+                _fileSystem,
+                _config,
+                _subtitleManager,
+                _chapterManager,
+                _libraryManager);
 
             return prober.ProbeVideo(item, options, cancellationToken);
         }
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
index 2b178d4d4e..d2e98a5a94 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs
@@ -1,3 +1,5 @@
+#pragma warning disable CS1591
+
 using System;
 using System.Collections.Generic;
 using System.Globalization;
@@ -25,7 +27,6 @@ using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
 using MediaBrowser.Model.Providers;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.Providers.MediaInfo
@@ -33,13 +34,10 @@ namespace MediaBrowser.Providers.MediaInfo
     public class FFProbeVideoInfo
     {
         private readonly ILogger _logger;
-        private readonly IIsoManager _isoManager;
         private readonly IMediaEncoder _mediaEncoder;
         private readonly IItemRepository _itemRepo;
         private readonly IBlurayExaminer _blurayExaminer;
         private readonly ILocalizationManager _localization;
-        private readonly IApplicationPaths _appPaths;
-        private readonly IJsonSerializer _json;
         private readonly IEncodingManager _encodingManager;
         private readonly IFileSystem _fileSystem;
         private readonly IServerConfigurationManager _config;
@@ -48,16 +46,27 @@ namespace MediaBrowser.Providers.MediaInfo
         private readonly ILibraryManager _libraryManager;
         private readonly IMediaSourceManager _mediaSourceManager;
 
-        public FFProbeVideoInfo(ILogger logger, IMediaSourceManager mediaSourceManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IBlurayExaminer blurayExaminer, ILocalizationManager localization, IApplicationPaths appPaths, IJsonSerializer json, IEncodingManager encodingManager, IFileSystem fileSystem, IServerConfigurationManager config, ISubtitleManager subtitleManager, IChapterManager chapterManager, ILibraryManager libraryManager)
+        private readonly long _dummyChapterDuration = TimeSpan.FromMinutes(5).Ticks;
+
+        public FFProbeVideoInfo(
+            ILogger logger,
+            IMediaSourceManager mediaSourceManager,
+            IMediaEncoder mediaEncoder,
+            IItemRepository itemRepo,
+            IBlurayExaminer blurayExaminer,
+            ILocalizationManager localization,
+            IEncodingManager encodingManager,
+            IFileSystem fileSystem,
+            IServerConfigurationManager config,
+            ISubtitleManager subtitleManager,
+            IChapterManager chapterManager,
+            ILibraryManager libraryManager)
         {
             _logger = logger;
-            _isoManager = isoManager;
             _mediaEncoder = mediaEncoder;
             _itemRepo = itemRepo;
             _blurayExaminer = blurayExaminer;
             _localization = localization;
-            _appPaths = appPaths;
-            _json = json;
             _encodingManager = encodingManager;
             _fileSystem = fileSystem;
             _config = config;
@@ -159,7 +168,7 @@ namespace MediaBrowser.Providers.MediaInfo
         {
             List<MediaStream> mediaStreams;
             IReadOnlyList<MediaAttachment> mediaAttachments;
-            List<ChapterInfo> chapters;
+            ChapterInfo[] chapters;
 
             if (mediaInfo != null)
             {
@@ -177,6 +186,7 @@ namespace MediaBrowser.Providers.MediaInfo
                 {
                     video.RunTimeTicks = mediaInfo.RunTimeTicks;
                 }
+
                 video.Size = mediaInfo.Size;
 
                 if (video.VideoType == VideoType.VideoFile)
@@ -189,19 +199,20 @@ namespace MediaBrowser.Providers.MediaInfo
                 {
                     video.Container = null;
                 }
+
                 video.Container = mediaInfo.Container;
 
-                chapters = mediaInfo.Chapters == null ? new List<ChapterInfo>() : mediaInfo.Chapters.ToList();
+                chapters = mediaInfo.Chapters == null ? Array.Empty<ChapterInfo>() : mediaInfo.Chapters;
                 if (blurayInfo != null)
                 {
-                    FetchBdInfo(video, chapters, mediaStreams, blurayInfo);
+                    FetchBdInfo(video, ref chapters, mediaStreams, blurayInfo);
                 }
             }
             else
             {
                 mediaStreams = new List<MediaStream>();
                 mediaAttachments = Array.Empty<MediaAttachment>();
-                chapters = new List<ChapterInfo>();
+                chapters = Array.Empty<ChapterInfo>();
             }
 
             await AddExternalSubtitles(video, mediaStreams, options, cancellationToken).ConfigureAwait(false);
@@ -231,9 +242,9 @@ namespace MediaBrowser.Providers.MediaInfo
             if (options.MetadataRefreshMode == MetadataRefreshMode.FullRefresh ||
                 options.MetadataRefreshMode == MetadataRefreshMode.Default)
             {
-                if (chapters.Count == 0 && mediaStreams.Any(i => i.Type == MediaStreamType.Video))
+                if (chapters.Length == 0 && mediaStreams.Any(i => i.Type == MediaStreamType.Video))
                 {
-                    AddDummyChapters(video, chapters);
+                    chapters = CreateDummyChapters(video);
                 }
 
                 NormalizeChapterNames(chapters);
@@ -246,28 +257,29 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 await _encodingManager.RefreshChapterImages(video, options.DirectoryService, chapters, extractDuringScan, false, cancellationToken).ConfigureAwait(false);
 
-                _chapterManager.SaveChapters(video.Id.ToString(), chapters);
+                _chapterManager.SaveChapters(video.Id, chapters);
             }
         }
 
-        private void NormalizeChapterNames(List<ChapterInfo> chapters)
+        private void NormalizeChapterNames(ChapterInfo[] chapters)
         {
-            var index = 1;
-
-            foreach (var chapter in chapters)
+            for (int i = 0; i < chapters.Length; i++)
             {
+                string name = chapters[i].Name;
                 // Check if the name is empty and/or if the name is a time
                 // Some ripping programs do that.
-                if (string.IsNullOrWhiteSpace(chapter.Name) ||
-                    TimeSpan.TryParse(chapter.Name, out var time))
+                if (string.IsNullOrWhiteSpace(name) ||
+                    TimeSpan.TryParse(name, out _))
                 {
-                    chapter.Name = string.Format(_localization.GetLocalizedString("ChapterNameValue"), index.ToString(CultureInfo.InvariantCulture));
+                    chapters[i].Name = string.Format(
+                        CultureInfo.InvariantCulture,
+                        _localization.GetLocalizedString("ChapterNameValue"),
+                        (i + 1).ToString(CultureInfo.InvariantCulture));
                 }
-                index++;
             }
         }
 
-        private void FetchBdInfo(BaseItem item, List<ChapterInfo> chapters, List<MediaStream> mediaStreams, BlurayDiscInfo blurayInfo)
+        private void FetchBdInfo(BaseItem item, ref ChapterInfo[] chapters, List<MediaStream> mediaStreams, BlurayDiscInfo blurayInfo)
         {
             var video = (Video)item;
 
@@ -301,13 +313,15 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 if (blurayInfo.Chapters != null)
                 {
-                    chapters.Clear();
-
-                    chapters.AddRange(blurayInfo.Chapters.Select(c => new ChapterInfo
+                    double[] brChapter = blurayInfo.Chapters;
+                    chapters = new ChapterInfo[brChapter.Length];
+                    for (int i = 0; i < brChapter.Length; i++)
                     {
-                        StartPositionTicks = TimeSpan.FromSeconds(c).Ticks
-
-                    }));
+                        chapters[i] = new ChapterInfo
+                        {
+                            StartPositionTicks = TimeSpan.FromSeconds(brChapter[i]).Ticks
+                        };
+                    }
                 }
 
                 videoStream = mediaStreams.FirstOrDefault(s => s.Type == MediaStreamType.Video);
@@ -495,17 +509,17 @@ namespace MediaBrowser.Providers.MediaInfo
             var libraryOptions = _libraryManager.GetLibraryOptions(video);
 
             string[] subtitleDownloadLanguages;
-            bool SkipIfEmbeddedSubtitlesPresent;
-            bool SkipIfAudioTrackMatches;
-            bool RequirePerfectMatch;
+            bool skipIfEmbeddedSubtitlesPresent;
+            bool skipIfAudioTrackMatches;
+            bool requirePerfectMatch;
             bool enabled;
 
             if (libraryOptions.SubtitleDownloadLanguages == null)
             {
                 subtitleDownloadLanguages = subtitleOptions.DownloadLanguages;
-                SkipIfEmbeddedSubtitlesPresent = subtitleOptions.SkipIfEmbeddedSubtitlesPresent;
-                SkipIfAudioTrackMatches = subtitleOptions.SkipIfAudioTrackMatches;
-                RequirePerfectMatch = subtitleOptions.RequirePerfectMatch;
+                skipIfEmbeddedSubtitlesPresent = subtitleOptions.SkipIfEmbeddedSubtitlesPresent;
+                skipIfAudioTrackMatches = subtitleOptions.SkipIfAudioTrackMatches;
+                requirePerfectMatch = subtitleOptions.RequirePerfectMatch;
                 enabled = (subtitleOptions.DownloadEpisodeSubtitles &&
                 video is Episode) ||
                 (subtitleOptions.DownloadMovieSubtitles &&
@@ -514,9 +528,9 @@ namespace MediaBrowser.Providers.MediaInfo
             else
             {
                 subtitleDownloadLanguages = libraryOptions.SubtitleDownloadLanguages;
-                SkipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
-                SkipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
-                RequirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
+                skipIfEmbeddedSubtitlesPresent = libraryOptions.SkipSubtitlesIfEmbeddedSubtitlesPresent;
+                skipIfAudioTrackMatches = libraryOptions.SkipSubtitlesIfAudioTrackMatches;
+                requirePerfectMatch = libraryOptions.RequirePerfectSubtitleMatch;
                 enabled = true;
             }
 
@@ -526,9 +540,9 @@ namespace MediaBrowser.Providers.MediaInfo
                     _subtitleManager)
                     .DownloadSubtitles(video,
                     currentStreams.Concat(externalSubtitleStreams).ToList(),
-                    SkipIfEmbeddedSubtitlesPresent,
-                    SkipIfAudioTrackMatches,
-                    RequirePerfectMatch,
+                    skipIfEmbeddedSubtitlesPresent,
+                    skipIfAudioTrackMatches,
+                    requirePerfectMatch,
                     subtitleDownloadLanguages,
                     libraryOptions.DisabledSubtitleFetchers,
                     libraryOptions.SubtitleFetcherOrder,
@@ -547,43 +561,45 @@ namespace MediaBrowser.Providers.MediaInfo
         }
 
         /// <summary>
-        /// The dummy chapter duration
-        /// </summary>
-        private readonly long _dummyChapterDuration = TimeSpan.FromMinutes(5).Ticks;
-
-        /// <summary>
-        /// Adds the dummy chapters.
+        /// Creates dummy chapters.
         /// </summary>
         /// <param name="video">The video.</param>
-        /// <param name="chapters">The chapters.</param>
-        private void AddDummyChapters(Video video, List<ChapterInfo> chapters)
+        /// <return>An array of dummy chapters.</returns>
+        private ChapterInfo[] CreateDummyChapters(Video video)
         {
             var runtime = video.RunTimeTicks ?? 0;
 
             if (runtime < 0)
             {
-                throw new ArgumentException(string.Format("{0} has invalid runtime of {1}", video.Name, runtime));
+                throw new ArgumentException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "{0} has invalid runtime of {1}",
+                        video.Name,
+                        runtime));
             }
 
             if (runtime < _dummyChapterDuration)
             {
-                return;
+                return Array.Empty<ChapterInfo>();
             }
 
-            long currentChapterTicks = 0;
-            var index = 1;
-
             // Limit to 100 chapters just in case there's some incorrect metadata here
-            while (currentChapterTicks < runtime && index < 100)
+            int chapterCount = (int)Math.Min(runtime / _dummyChapterDuration, 100);
+            var chapters = new ChapterInfo[chapterCount];
+
+            long currentChapterTicks = 0;
+            for (int i = 0; i < chapterCount; i++)
             {
-                chapters.Add(new ChapterInfo
+                chapters[i] = new ChapterInfo
                 {
                     StartPositionTicks = currentChapterTicks
-                });
+                };
 
-                index++;
                 currentChapterTicks += _dummyChapterDuration;
             }
+
+            return chapters;
         }
 
         private string[] FetchFromDvdLib(Video item)
diff --git a/MediaBrowser.Providers/MediaInfo/SubtitleScheduledTask.cs b/MediaBrowser.Providers/MediaInfo/SubtitleScheduledTask.cs
index 3a936632a0..2615f2dbbb 100644
--- a/MediaBrowser.Providers/MediaInfo/SubtitleScheduledTask.cs
+++ b/MediaBrowser.Providers/MediaInfo/SubtitleScheduledTask.cs
@@ -14,6 +14,7 @@ using MediaBrowser.Model.Providers;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
+using MediaBrowser.Model.Globalization;
 
 namespace MediaBrowser.Providers.MediaInfo
 {
@@ -25,6 +26,7 @@ namespace MediaBrowser.Providers.MediaInfo
         private readonly IMediaSourceManager _mediaSourceManager;
         private readonly ILogger _logger;
         private readonly IJsonSerializer _json;
+        private readonly ILocalizationManager _localization;
 
         public SubtitleScheduledTask(
             ILibraryManager libraryManager,
@@ -32,7 +34,8 @@ namespace MediaBrowser.Providers.MediaInfo
             IServerConfigurationManager config,
             ISubtitleManager subtitleManager,
             ILogger<SubtitleScheduledTask> logger,
-            IMediaSourceManager mediaSourceManager)
+            IMediaSourceManager mediaSourceManager,
+            ILocalizationManager localization)
         {
             _libraryManager = libraryManager;
             _config = config;
@@ -40,6 +43,7 @@ namespace MediaBrowser.Providers.MediaInfo
             _logger = logger;
             _mediaSourceManager = mediaSourceManager;
             _json = json;
+            _localization = localization;
         }
 
         private SubtitleOptions GetOptions()
@@ -204,11 +208,11 @@ namespace MediaBrowser.Providers.MediaInfo
             };
         }
 
-        public string Name => "Download missing subtitles";
+        public string Name => _localization.GetLocalizedString("TaskDownloadMissingSubtitles");
 
-        public string Description => "Searches the internet for missing subtitles based on metadata configuration.";
+        public string Description => _localization.GetLocalizedString("TaskDownloadMissingSubtitlesDescription");
 
-        public string Category => "Library";
+        public string Category => _localization.GetLocalizedString("TasksLibraryCategory");
 
         public string Key => "DownloadSubtitles";
 
diff --git a/MediaBrowser.Providers/Music/ArtistMetadataService.cs b/MediaBrowser.Providers/Music/ArtistMetadataService.cs
index f90a631c65..5a30260a52 100644
--- a/MediaBrowser.Providers/Music/ArtistMetadataService.cs
+++ b/MediaBrowser.Providers/Music/ArtistMetadataService.cs
@@ -31,10 +31,10 @@ namespace MediaBrowser.Providers.Music
         {
             return item.IsAccessedByName
                 ? item.GetTaggedItems(new InternalItemsQuery
-                    {
-                        Recursive = true,
-                        IsFolder = false
-                    })
+                {
+                    Recursive = true,
+                    IsFolder = false
+                })
                 : item.GetRecursiveChildren(i => i is IHasArtist && !i.IsFolder);
         }
 
diff --git a/MediaBrowser.Providers/Plugins/MusicBrainz/AlbumProvider.cs b/MediaBrowser.Providers/Plugins/MusicBrainz/AlbumProvider.cs
index bc973dee5a..31cdaf616a 100644
--- a/MediaBrowser.Providers/Plugins/MusicBrainz/AlbumProvider.cs
+++ b/MediaBrowser.Providers/Plugins/MusicBrainz/AlbumProvider.cs
@@ -5,6 +5,7 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -775,7 +776,7 @@ namespace MediaBrowser.Providers.Music
                 _logger.LogDebug("GetMusicBrainzResponse: Time since previous request: {0} ms", _stopWatchMusicBrainz.ElapsedMilliseconds);
                 _stopWatchMusicBrainz.Restart();
 
-                response = await _httpClient.SendAsync(options, "GET").ConfigureAwait(false);
+                response = await _httpClient.SendAsync(options, HttpMethod.Get).ConfigureAwait(false);
 
                 // We retry a finite number of times, and only whilst MB is indicating 503 (throttling)
             }
diff --git a/MediaBrowser.Providers/Plugins/MusicBrainz/Configuration/PluginConfiguration.cs b/MediaBrowser.Providers/Plugins/MusicBrainz/Configuration/PluginConfiguration.cs
index 6910b4bb44..5843b0c7d9 100644
--- a/MediaBrowser.Providers/Plugins/MusicBrainz/Configuration/PluginConfiguration.cs
+++ b/MediaBrowser.Providers/Plugins/MusicBrainz/Configuration/PluginConfiguration.cs
@@ -32,7 +32,11 @@ namespace MediaBrowser.Providers.Plugins.MusicBrainz
             {
                 if (value < Plugin.DefaultRateLimit && _server == Plugin.DefaultServer)
                 {
-                    RateLimit = Plugin.DefaultRateLimit;
+                    _rateLimit = Plugin.DefaultRateLimit;
+                }
+                else
+                {
+                    _rateLimit = value;
                 }
             }
         }
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs
index a12b4d3ada..b73834155c 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs
@@ -60,21 +60,21 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
             CancellationToken cancellationToken)
         {
             var cacheKey = GenerateKey("series", name, language);
-            return TryGetValue(cacheKey, language,() => TvDbClient.Search.SearchSeriesByNameAsync(name, cancellationToken));
+            return TryGetValue(cacheKey, language, () => TvDbClient.Search.SearchSeriesByNameAsync(name, cancellationToken));
         }
 
         public Task<TvDbResponse<Series>> GetSeriesByIdAsync(int tvdbId, string language,
             CancellationToken cancellationToken)
         {
             var cacheKey = GenerateKey("series", tvdbId, language);
-            return TryGetValue(cacheKey, language,() => TvDbClient.Series.GetAsync(tvdbId, cancellationToken));
+            return TryGetValue(cacheKey, language, () => TvDbClient.Series.GetAsync(tvdbId, cancellationToken));
         }
 
         public Task<TvDbResponse<EpisodeRecord>> GetEpisodesAsync(int episodeTvdbId, string language,
             CancellationToken cancellationToken)
         {
             var cacheKey = GenerateKey("episode", episodeTvdbId, language);
-            return TryGetValue(cacheKey, language,() => TvDbClient.Episodes.GetAsync(episodeTvdbId, cancellationToken));
+            return TryGetValue(cacheKey, language, () => TvDbClient.Episodes.GetAsync(episodeTvdbId, cancellationToken));
         }
 
         public async Task<List<EpisodeRecord>> GetAllEpisodesAsync(int tvdbId, string language,
@@ -109,7 +109,7 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
             CancellationToken cancellationToken)
         {
             var cacheKey = GenerateKey("series", imdbId, language);
-            return TryGetValue(cacheKey, language,() => TvDbClient.Search.SearchSeriesByImdbIdAsync(imdbId, cancellationToken));
+            return TryGetValue(cacheKey, language, () => TvDbClient.Search.SearchSeriesByImdbIdAsync(imdbId, cancellationToken));
         }
 
         public Task<TvDbResponse<SeriesSearchResult[]>> GetSeriesByZap2ItIdAsync(
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbEpisodeProvider.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbEpisodeProvider.cs
index f58c58a2ea..08c2a74d2c 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbEpisodeProvider.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbEpisodeProvider.cs
@@ -201,7 +201,7 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
                     continue;
                 }
 
-                var roles = new List<string> {currentActor.Substring(roleStartIndex + 1)};
+                var roles = new List<string> { currentActor.Substring(roleStartIndex + 1) };
 
                 // Fetch all roles
                 for (var j = i + 1; j < episode.GuestStars.Length; ++j)
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs
index 97a5b3478e..f6cd249f51 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs
@@ -344,7 +344,11 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
                 series.ProductionYear = date.Year;
             }
 
-            series.RunTimeTicks = TimeSpan.FromMinutes(Convert.ToDouble(tvdbSeries.Runtime)).Ticks;
+            if (!string.IsNullOrEmpty(tvdbSeries.Runtime) && double.TryParse(tvdbSeries.Runtime, out double runtime))
+            {
+                series.RunTimeTicks = TimeSpan.FromMinutes(runtime).Ticks;
+            }
+
             foreach (var genre in tvdbSeries.Genre)
             {
                 series.AddGenre(genre);
diff --git a/MediaBrowser.Providers/Tmdb/Models/General/Profile.cs b/MediaBrowser.Providers/Tmdb/Models/General/Profile.cs
index 73a049c732..f87d14850c 100644
--- a/MediaBrowser.Providers/Tmdb/Models/General/Profile.cs
+++ b/MediaBrowser.Providers/Tmdb/Models/General/Profile.cs
@@ -2,10 +2,10 @@ namespace MediaBrowser.Providers.Tmdb.Models.General
 {
     public class Profile
     {
-            public string File_Path { get; set; }
-            public int Width { get; set; }
-            public int Height { get; set; }
-            public object Iso_639_1 { get; set; }
-            public double Aspect_Ratio { get; set; }
+        public string File_Path { get; set; }
+        public int Width { get; set; }
+        public int Height { get; set; }
+        public object Iso_639_1 { get; set; }
+        public double Aspect_Ratio { get; set; }
     }
 }
diff --git a/MediaBrowser.Providers/Tmdb/Movies/TmdbMovieProvider.cs b/MediaBrowser.Providers/Tmdb/Movies/TmdbMovieProvider.cs
index fbb87d25dd..e2fd5b9e30 100644
--- a/MediaBrowser.Providers/Tmdb/Movies/TmdbMovieProvider.cs
+++ b/MediaBrowser.Providers/Tmdb/Movies/TmdbMovieProvider.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Net;
+using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
@@ -36,7 +37,6 @@ namespace MediaBrowser.Providers.Tmdb.Movies
         private readonly IFileSystem _fileSystem;
         private readonly IServerConfigurationManager _configurationManager;
         private readonly ILogger _logger;
-        private readonly ILocalizationManager _localization;
         private readonly ILibraryManager _libraryManager;
         private readonly IApplicationHost _appHost;
 
@@ -48,7 +48,6 @@ namespace MediaBrowser.Providers.Tmdb.Movies
             IFileSystem fileSystem,
             IServerConfigurationManager configurationManager,
             ILogger<TmdbMovieProvider> logger,
-            ILocalizationManager localization,
             ILibraryManager libraryManager,
             IApplicationHost appHost)
         {
@@ -57,7 +56,6 @@ namespace MediaBrowser.Providers.Tmdb.Movies
             _fileSystem = fileSystem;
             _configurationManager = configurationManager;
             _logger = logger;
-            _localization = localization;
             _libraryManager = libraryManager;
             _appHost = appHost;
             Current = this;
@@ -409,15 +407,15 @@ namespace MediaBrowser.Providers.Tmdb.Movies
 
         private static long _lastRequestTicks;
         // The limit is 40 requests per 10 seconds
-        private static int requestIntervalMs = 300;
+        private const int RequestIntervalMs = 300;
 
         /// <summary>
         /// Gets the movie db response.
         /// </summary>
         internal async Task<HttpResponseInfo> GetMovieDbResponse(HttpRequestOptions options)
         {
-            var delayTicks = (requestIntervalMs * 10000) - (DateTime.UtcNow.Ticks - _lastRequestTicks);
-            var delayMs = Math.Min(delayTicks / 10000, requestIntervalMs);
+            var delayTicks = (RequestIntervalMs * 10000) - (DateTime.UtcNow.Ticks - _lastRequestTicks);
+            var delayMs = Math.Min(delayTicks / 10000, RequestIntervalMs);
 
             if (delayMs > 0)
             {
@@ -430,11 +428,13 @@ namespace MediaBrowser.Providers.Tmdb.Movies
             options.BufferContent = true;
             options.UserAgent = _appHost.ApplicationUserAgent;
 
-            return await _httpClient.SendAsync(options, "GET").ConfigureAwait(false);
+            return await _httpClient.SendAsync(options, HttpMethod.Get).ConfigureAwait(false);
         }
 
+        /// <inheritdoc />
         public int Order => 1;
 
+        /// <inheritdoc />
         public Task<HttpResponseInfo> GetImageResponse(string url, CancellationToken cancellationToken)
         {
             return _httpClient.GetResponse(new HttpRequestOptions