Merge branch 'jellyfin:master' into master

5 files changed, 271 insertions, 184 deletions

diff --git a/MediaBrowser.Providers/MediaInfo/AudioFileProber.cs b/MediaBrowser.Providers/MediaInfo/AudioFileProber.cs
new file mode 100644
index 0000000000..3699e8f497
--- /dev/null
+++ b/MediaBrowser.Providers/MediaInfo/AudioFileProber.cs
@@ -0,0 +1,215 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities.Audio;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Dlna;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.MediaInfo;
+using TagLib;
+
+namespace MediaBrowser.Providers.MediaInfo
+{
+    /// <summary>
+    /// Probes audio files for metadata.
+    /// </summary>
+    public class AudioFileProber
+    {
+        private readonly IMediaEncoder _mediaEncoder;
+        private readonly IItemRepository _itemRepo;
+        private readonly ILibraryManager _libraryManager;
+        private readonly IMediaSourceManager _mediaSourceManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AudioFileProber"/> class.
+        /// </summary>
+        /// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager"/> interface.</param>
+        /// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
+        /// <param name="itemRepo">Instance of the <see cref="IItemRepository"/> interface.</param>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        public AudioFileProber(
+            IMediaSourceManager mediaSourceManager,
+            IMediaEncoder mediaEncoder,
+            IItemRepository itemRepo,
+            ILibraryManager libraryManager)
+        {
+            _mediaEncoder = mediaEncoder;
+            _itemRepo = itemRepo;
+            _libraryManager = libraryManager;
+            _mediaSourceManager = mediaSourceManager;
+        }
+
+        /// <summary>
+        /// Probes the specified item for metadata.
+        /// </summary>
+        /// <param name="item">The item to probe.</param>
+        /// <param name="options">The <see cref="MetadataRefreshOptions"/>.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
+        /// <typeparam name="T">The type of item to resolve.</typeparam>
+        /// <returns>A <see cref="Task"/> probing the item for metadata.</returns>
+        public async Task<ItemUpdateType> Probe<T>(
+            T item,
+            MetadataRefreshOptions options,
+            CancellationToken cancellationToken)
+            where T : Audio
+        {
+            var path = item.Path;
+            var protocol = item.PathProtocol ?? MediaProtocol.File;
+
+            if (!item.IsShortcut || options.EnableRemoteContentProbe)
+            {
+                if (item.IsShortcut)
+                {
+                    path = item.ShortcutPath;
+                    protocol = _mediaSourceManager.GetPathProtocol(path);
+                }
+
+                var result = await _mediaEncoder.GetMediaInfo(
+                    new MediaInfoRequest
+                    {
+                        MediaType = DlnaProfileType.Audio,
+                        MediaSource = new MediaSourceInfo
+                        {
+                            Path = path,
+                            Protocol = protocol
+                        }
+                    },
+                    cancellationToken).ConfigureAwait(false);
+
+                cancellationToken.ThrowIfCancellationRequested();
+
+                Fetch(item, result, cancellationToken);
+            }
+
+            return ItemUpdateType.MetadataImport;
+        }
+
+        /// <summary>
+        /// Fetches the specified audio.
+        /// </summary>
+        /// <param name="audio">The <see cref="Audio"/>.</param>
+        /// <param name="mediaInfo">The <see cref="Model.MediaInfo.MediaInfo"/>.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
+        protected void Fetch(Audio audio, Model.MediaInfo.MediaInfo mediaInfo, CancellationToken cancellationToken)
+        {
+            audio.Container = mediaInfo.Container;
+            audio.TotalBitrate = mediaInfo.Bitrate;
+
+            audio.RunTimeTicks = mediaInfo.RunTimeTicks;
+            audio.Size = mediaInfo.Size;
+
+            FetchDataFromTags(audio);
+
+            _itemRepo.SaveMediaStreams(audio.Id, mediaInfo.MediaStreams, cancellationToken);
+        }
+
+        /// <summary>
+        /// Fetches data from the tags.
+        /// </summary>
+        /// <param name="audio">The <see cref="Audio"/>.</param>
+        private void FetchDataFromTags(Audio audio)
+        {
+            var file = TagLib.File.Create(audio.Path);
+            var tagTypes = file.TagTypesOnDisk;
+            Tag? tags = null;
+
+            if (tagTypes.HasFlag(TagTypes.Id3v2))
+            {
+                tags = file.GetTag(TagTypes.Id3v2);
+            }
+            else if (tagTypes.HasFlag(TagTypes.Ape))
+            {
+                tags = file.GetTag(TagTypes.Ape);
+            }
+            else if (tagTypes.HasFlag(TagTypes.FlacMetadata))
+            {
+                tags = file.GetTag(TagTypes.FlacMetadata);
+            }
+            else if (tagTypes.HasFlag(TagTypes.Apple))
+            {
+                tags = file.GetTag(TagTypes.Apple);
+            }
+            else if (tagTypes.HasFlag(TagTypes.Xiph))
+            {
+                tags = file.GetTag(TagTypes.Xiph);
+            }
+            else if (tagTypes.HasFlag(TagTypes.AudibleMetadata))
+            {
+                tags = file.GetTag(TagTypes.AudibleMetadata);
+            }
+            else if (tagTypes.HasFlag(TagTypes.Id3v1))
+            {
+                tags = file.GetTag(TagTypes.Id3v1);
+            }
+
+            if (tags != null)
+            {
+                if (audio.SupportsPeople && !audio.LockedFields.Contains(MetadataField.Cast))
+                {
+                    var people = new List<PersonInfo>();
+                    var albumArtists = tags.AlbumArtists;
+                    foreach (var albumArtist in albumArtists)
+                    {
+                        PeopleHelper.AddPerson(people, new PersonInfo
+                        {
+                            Name = albumArtist,
+                            Type = "AlbumArtist"
+                        });
+                    }
+
+                    var performers = tags.Performers;
+                    foreach (var performer in performers)
+                    {
+                        PeopleHelper.AddPerson(people, new PersonInfo
+                        {
+                            Name = performer,
+                            Type = "Artist"
+                        });
+                    }
+
+                    foreach (var composer in tags.Composers)
+                    {
+                        PeopleHelper.AddPerson(people, new PersonInfo
+                        {
+                            Name = composer,
+                            Type = "Composer"
+                        });
+                    }
+
+                    _libraryManager.UpdatePeople(audio, people);
+                    audio.Artists = performers;
+                    audio.AlbumArtists = albumArtists;
+                }
+
+                audio.Name = tags.Title;
+                audio.Album = tags.Album;
+                audio.IndexNumber = Convert.ToInt32(tags.Track);
+                audio.ParentIndexNumber = Convert.ToInt32(tags.Disc);
+                if (tags.Year != 0)
+                {
+                    var year = Convert.ToInt32(tags.Year);
+                    audio.ProductionYear = year;
+                    audio.PremiereDate = new DateTime(year, 01, 01);
+                }
+
+                if (!audio.LockedFields.Contains(MetadataField.Genres))
+                {
+                    audio.Genres = tags.Genres.Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
+                }
+
+                audio.SetProviderId(MetadataProvider.MusicBrainzArtist, tags.MusicBrainzArtistId);
+                audio.SetProviderId(MetadataProvider.MusicBrainzAlbumArtist, tags.MusicBrainzReleaseArtistId);
+                audio.SetProviderId(MetadataProvider.MusicBrainzAlbum, tags.MusicBrainzReleaseId);
+                audio.SetProviderId(MetadataProvider.MusicBrainzReleaseGroup, tags.MusicBrainzReleaseGroupId);
+                audio.SetProviderId(MetadataProvider.MusicBrainzTrack, tags.MusicBrainzTrackId);
+            }
+        }
+    }
+}
diff --git a/MediaBrowser.Providers/MediaInfo/EmbeddedImageProvider.cs b/MediaBrowser.Providers/MediaInfo/EmbeddedImageProvider.cs
index 96d7d139a4..d60d829def 100644
--- a/MediaBrowser.Providers/MediaInfo/EmbeddedImageProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/EmbeddedImageProvider.cs
@@ -31,13 +31,14 @@ namespace MediaBrowser.Providers.MediaInfo
             "poster",
             "folder",
             "cover",
-            "default"
+            "default",
+            "movie",
+            "show"
         };
 
         private static readonly string[] _backdropImageFileNames =
         {
             "backdrop",
-            "fanart",
             "background",
             "art"
         };
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeAudioInfo.cs b/MediaBrowser.Providers/MediaInfo/FFProbeAudioInfo.cs
deleted file mode 100644
index f22965436f..0000000000
--- a/MediaBrowser.Providers/MediaInfo/FFProbeAudioInfo.cs
+++ /dev/null
@@ -1,172 +0,0 @@
-#nullable disable
-
-#pragma warning disable CS1591
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Entities.Audio;
-using MediaBrowser.Controller.Library;
-using MediaBrowser.Controller.MediaEncoding;
-using MediaBrowser.Controller.Persistence;
-using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.Dlna;
-using MediaBrowser.Model.Dto;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.MediaInfo;
-
-namespace MediaBrowser.Providers.MediaInfo
-{
-    public class FFProbeAudioInfo
-    {
-        private readonly IMediaEncoder _mediaEncoder;
-        private readonly IItemRepository _itemRepo;
-        private readonly ILibraryManager _libraryManager;
-        private readonly IMediaSourceManager _mediaSourceManager;
-
-        public FFProbeAudioInfo(
-            IMediaSourceManager mediaSourceManager,
-            IMediaEncoder mediaEncoder,
-            IItemRepository itemRepo,
-            ILibraryManager libraryManager)
-        {
-            _mediaEncoder = mediaEncoder;
-            _itemRepo = itemRepo;
-            _libraryManager = libraryManager;
-            _mediaSourceManager = mediaSourceManager;
-        }
-
-        public async Task<ItemUpdateType> Probe<T>(
-            T item,
-            MetadataRefreshOptions options,
-            CancellationToken cancellationToken)
-            where T : Audio
-        {
-            var path = item.Path;
-            var protocol = item.PathProtocol ?? MediaProtocol.File;
-
-            if (!item.IsShortcut || options.EnableRemoteContentProbe)
-            {
-                if (item.IsShortcut)
-                {
-                    path = item.ShortcutPath;
-                    protocol = _mediaSourceManager.GetPathProtocol(path);
-                }
-
-                var result = await _mediaEncoder.GetMediaInfo(
-                    new MediaInfoRequest
-                    {
-                        MediaType = DlnaProfileType.Audio,
-                        MediaSource = new MediaSourceInfo
-                        {
-                            Path = path,
-                            Protocol = protocol
-                        }
-                    },
-                    cancellationToken).ConfigureAwait(false);
-
-                cancellationToken.ThrowIfCancellationRequested();
-
-                Fetch(item, result, cancellationToken);
-            }
-
-            return ItemUpdateType.MetadataImport;
-        }
-
-        /// <summary>
-        /// Fetches the specified audio.
-        /// </summary>
-        /// <param name="audio">The audio.</param>
-        /// <param name="mediaInfo">The media information.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        protected void Fetch(Audio audio, Model.MediaInfo.MediaInfo mediaInfo, CancellationToken cancellationToken)
-        {
-            audio.Container = mediaInfo.Container;
-            audio.TotalBitrate = mediaInfo.Bitrate;
-
-            audio.RunTimeTicks = mediaInfo.RunTimeTicks;
-            audio.Size = mediaInfo.Size;
-
-            // var extension = (Path.GetExtension(audio.Path) ?? string.Empty).TrimStart('.');
-            // audio.Container = extension;
-
-            FetchDataFromTags(audio, mediaInfo);
-
-            _itemRepo.SaveMediaStreams(audio.Id, mediaInfo.MediaStreams, cancellationToken);
-        }
-
-        /// <summary>
-        /// Fetches data from the tags dictionary.
-        /// </summary>
-        /// <param name="audio">The audio.</param>
-        /// <param name="data">The data.</param>
-        private void FetchDataFromTags(Audio audio, Model.MediaInfo.MediaInfo data)
-        {
-            // Only set Name if title was found in the dictionary
-            if (!string.IsNullOrEmpty(data.Name))
-            {
-                audio.Name = data.Name;
-            }
-
-            if (!string.IsNullOrEmpty(data.ForcedSortName))
-            {
-                audio.ForcedSortName = data.ForcedSortName;
-            }
-
-            if (audio.SupportsPeople && !audio.LockedFields.Contains(MetadataField.Cast))
-            {
-                var people = new List<PersonInfo>();
-
-                foreach (var person in data.People)
-                {
-                    PeopleHelper.AddPerson(people, new PersonInfo
-                    {
-                        Name = person.Name,
-                        Type = person.Type,
-                        Role = person.Role
-                    });
-                }
-
-                _libraryManager.UpdatePeople(audio, people);
-            }
-
-            audio.Album = data.Album;
-            audio.Artists = data.Artists;
-            audio.AlbumArtists = data.AlbumArtists;
-            audio.IndexNumber = data.IndexNumber;
-            audio.ParentIndexNumber = data.ParentIndexNumber;
-            audio.ProductionYear = data.ProductionYear;
-            audio.PremiereDate = data.PremiereDate;
-
-            // If we don't have a ProductionYear try and get it from PremiereDate
-            if (audio.PremiereDate.HasValue && !audio.ProductionYear.HasValue)
-            {
-                audio.ProductionYear = audio.PremiereDate.Value.ToLocalTime().Year;
-            }
-
-            if (!audio.LockedFields.Contains(MetadataField.Genres))
-            {
-                audio.Genres = Array.Empty<string>();
-
-                foreach (var genre in data.Genres)
-                {
-                    audio.AddGenre(genre);
-                }
-            }
-
-            if (!audio.LockedFields.Contains(MetadataField.Studios))
-            {
-                audio.SetStudios(data.Studios);
-            }
-
-            audio.SetProviderId(MetadataProvider.MusicBrainzAlbumArtist, data.GetProviderId(MetadataProvider.MusicBrainzAlbumArtist));
-            audio.SetProviderId(MetadataProvider.MusicBrainzArtist, data.GetProviderId(MetadataProvider.MusicBrainzArtist));
-            audio.SetProviderId(MetadataProvider.MusicBrainzAlbum, data.GetProviderId(MetadataProvider.MusicBrainzAlbum));
-            audio.SetProviderId(MetadataProvider.MusicBrainzReleaseGroup, data.GetProviderId(MetadataProvider.MusicBrainzReleaseGroup));
-            audio.SetProviderId(MetadataProvider.MusicBrainzTrack, data.GetProviderId(MetadataProvider.MusicBrainzTrack));
-        }
-    }
-}
diff --git a/MediaBrowser.Providers/MediaInfo/MediaInfoResolver.cs b/MediaBrowser.Providers/MediaInfo/MediaInfoResolver.cs
index d55cc44914..1bc2edfd88 100644
--- a/MediaBrowser.Providers/MediaInfo/MediaInfoResolver.cs
+++ b/MediaBrowser.Providers/MediaInfo/MediaInfoResolver.cs
@@ -120,6 +120,7 @@ namespace MediaBrowser.Providers.MediaInfo
                                 mediaStream.Index = startIndex++;
                                 mediaStream.IsDefault = pathInfo.IsDefault || mediaStream.IsDefault;
                                 mediaStream.IsForced = pathInfo.IsForced || mediaStream.IsForced;
+                                mediaStream.IsHearingImpaired = pathInfo.IsHearingImpaired || mediaStream.IsHearingImpaired;
 
                                 mediaStreams.Add(MergeMetadata(mediaStream, pathInfo));
                             }
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs b/MediaBrowser.Providers/MediaInfo/ProbeProvider.cs
index e58c0e281b..6591366076 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/ProbeProvider.cs
@@ -1,7 +1,5 @@
 #nullable disable
 
-#pragma warning disable CS1591
-
 using System;
 using System.IO;
 using System.Linq;
@@ -27,7 +25,10 @@ using Microsoft.Extensions.Logging;
 
 namespace MediaBrowser.Providers.MediaInfo
 {
-    public class FFProbeProvider : ICustomMetadataProvider<Episode>,
+    /// <summary>
+    /// The probe provider.
+    /// </summary>
+    public class ProbeProvider : ICustomMetadataProvider<Episode>,
         ICustomMetadataProvider<MusicVideo>,
         ICustomMetadataProvider<Movie>,
         ICustomMetadataProvider<Trailer>,
@@ -39,14 +40,30 @@ namespace MediaBrowser.Providers.MediaInfo
         IPreRefreshProvider,
         IHasItemChangeMonitor
     {
-        private readonly ILogger<FFProbeProvider> _logger;
+        private readonly ILogger<ProbeProvider> _logger;
         private readonly AudioResolver _audioResolver;
         private readonly SubtitleResolver _subtitleResolver;
         private readonly FFProbeVideoInfo _videoProber;
-        private readonly FFProbeAudioInfo _audioProber;
+        private readonly AudioFileProber _audioProber;
         private readonly Task<ItemUpdateType> _cachedTask = Task.FromResult(ItemUpdateType.None);
 
-        public FFProbeProvider(
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ProbeProvider"/> class.
+        /// </summary>
+        /// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager"/> interface.</param>
+        /// <param name="mediaEncoder">Instance of the <see cref="IMediaEncoder"/> interface.</param>
+        /// <param name="itemRepo">Instance of the <see cref="IItemRepository"/> interface.</param>
+        /// <param name="blurayExaminer">Instance of the <see cref="IBlurayExaminer"/> interface.</param>
+        /// <param name="localization">Instance of the <see cref="ILocalizationManager"/> interface.</param>
+        /// <param name="encodingManager">Instance of the <see cref="IEncodingManager"/> interface.</param>
+        /// <param name="config">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
+        /// <param name="subtitleManager">Instance of the <see cref="ISubtitleManager"/> interface.</param>
+        /// <param name="chapterManager">Instance of the <see cref="IChapterManager"/> interface.</param>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        /// <param name="loggerFactory">Instance of the <see cref="ILoggerFactory"/>.</param>
+        /// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
+        /// <param name="namingOptions">The <see cref="NamingOptions"/>.</param>
+        public ProbeProvider(
             IMediaSourceManager mediaSourceManager,
             IMediaEncoder mediaEncoder,
             IItemRepository itemRepo,
@@ -61,7 +78,8 @@ namespace MediaBrowser.Providers.MediaInfo
             ILoggerFactory loggerFactory,
             NamingOptions namingOptions)
         {
-            _logger = loggerFactory.CreateLogger<FFProbeProvider>();
+            _logger = loggerFactory.CreateLogger<ProbeProvider>();
+            _audioProber = new AudioFileProber(mediaSourceManager, mediaEncoder, itemRepo, libraryManager);
             _audioResolver = new AudioResolver(loggerFactory.CreateLogger<AudioResolver>(), localization, mediaEncoder, fileSystem, namingOptions);
             _subtitleResolver = new SubtitleResolver(loggerFactory.CreateLogger<SubtitleResolver>(), localization, mediaEncoder, fileSystem, namingOptions);
             _videoProber = new FFProbeVideoInfo(
@@ -78,14 +96,15 @@ namespace MediaBrowser.Providers.MediaInfo
                 libraryManager,
                 _audioResolver,
                 _subtitleResolver);
-            _audioProber = new FFProbeAudioInfo(mediaSourceManager, mediaEncoder, itemRepo, libraryManager);
         }
 
-        public string Name => "ffprobe";
+        /// <inheritdoc />
+        public string Name => "Probe Provider";
 
-        // Run last
+        /// <inheritdoc />
         public int Order => 100;
 
+        /// <inheritdoc />
         public bool HasChanged(BaseItem item, IDirectoryService directoryService)
         {
             var video = item as Video;
@@ -127,41 +146,56 @@ namespace MediaBrowser.Providers.MediaInfo
             return false;
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(Episode item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchVideoInfo(item, options, cancellationToken);
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(MusicVideo item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchVideoInfo(item, options, cancellationToken);
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(Movie item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchVideoInfo(item, options, cancellationToken);
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(Trailer item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchVideoInfo(item, options, cancellationToken);
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(Video item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchVideoInfo(item, options, cancellationToken);
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(Audio item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchAudioInfo(item, options, cancellationToken);
         }
 
+        /// <inheritdoc />
         public Task<ItemUpdateType> FetchAsync(AudioBook item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
             return FetchAudioInfo(item, options, cancellationToken);
         }
 
+        /// <summary>
+        /// Fetches video information for an item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="options">The <see cref="MetadataRefreshOptions"/>.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
+        /// <typeparam name="T">The type of item to resolve.</typeparam>
+        /// <returns>A <see cref="Task"/> fetching the <see cref="ItemUpdateType"/> for an item.</returns>
         public Task<ItemUpdateType> FetchVideoInfo<T>(T item, MetadataRefreshOptions options, CancellationToken cancellationToken)
             where T : Video
         {
@@ -208,6 +242,14 @@ namespace MediaBrowser.Providers.MediaInfo
                 .FirstOrDefault(i => !string.IsNullOrWhiteSpace(i) && !i.StartsWith('#'));
         }
 
+        /// <summary>
+        /// Fetches audio information for an item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="options">The <see cref="MetadataRefreshOptions"/>.</param>
+        /// <param name="cancellationToken">The <see cref="CancellationToken"/>.</param>
+        /// <typeparam name="T">The type of item to resolve.</typeparam>
+        /// <returns>A <see cref="Task"/> fetching the <see cref="ItemUpdateType"/> for an item.</returns>
         public Task<ItemUpdateType> FetchAudioInfo<T>(T item, MetadataRefreshOptions options, CancellationToken cancellationToken)
             where T : Audio
         {