1 files changed, 10 insertions, 10 deletions
diff --git a/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
index a74f82475..ac423ed09 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
@@ -10,11 +10,11 @@ using Emby.Naming.Audio;
 using Emby.Naming.AudioBook;
 using Emby.Naming.Common;
 using Emby.Naming.Video;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Controller.Resolvers;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 
 namespace Emby.Server.Implementations.Library.Resolvers.Audio
@@ -40,7 +40,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
         public MultiItemResolverResult ResolveMultiple(
             Folder parent,
             List<FileSystemMetadata> files,
-            string collectionType,
+            CollectionType? collectionType,
             IDirectoryService directoryService)
         {
             var result = ResolveMultipleInternal(parent, files, collectionType);
@@ -59,9 +59,9 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
         private MultiItemResolverResult ResolveMultipleInternal(
             Folder parent,
             List<FileSystemMetadata> files,
-            string collectionType)
+            CollectionType? collectionType)
         {
-            if (string.Equals(collectionType, CollectionType.Books, StringComparison.OrdinalIgnoreCase))
+            if (collectionType == CollectionType.Books)
             {
                 return ResolveMultipleAudio(parent, files, true);
             }
@@ -80,7 +80,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
 
             var collectionType = args.GetCollectionType();
 
-            var isBooksCollectionType = string.Equals(collectionType, CollectionType.Books, StringComparison.OrdinalIgnoreCase);
+            var isBooksCollectionType = collectionType == CollectionType.Books;
 
             if (args.IsDirectory)
             {
@@ -94,15 +94,15 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
 
             if (AudioFileParser.IsAudioFile(args.Path, _namingOptions))
             {
-                var extension = Path.GetExtension(args.Path);
+                var extension = Path.GetExtension(args.Path.AsSpan());
 
-                if (string.Equals(extension, ".cue", StringComparison.OrdinalIgnoreCase))
+                if (extension.Equals(".cue", StringComparison.OrdinalIgnoreCase))
                 {
                     // if audio file exists of same name, return null
                     return null;
                 }
 
-                var isMixedCollectionType = string.IsNullOrEmpty(collectionType);
+                var isMixedCollectionType = collectionType is null;
 
                 // For conflicting extensions, give priority to videos
                 if (isMixedCollectionType && VideoResolver.IsVideoFile(args.Path, _namingOptions))
@@ -112,7 +112,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
 
                 MediaBrowser.Controller.Entities.Audio.Audio item = null;
 
-                var isMusicCollectionType = string.Equals(collectionType, CollectionType.Music, StringComparison.OrdinalIgnoreCase);
+                var isMusicCollectionType = collectionType == CollectionType.Music;
 
                 // Use regular audio type for mixed libraries, owned items and music
                 if (isMixedCollectionType ||
@@ -128,7 +128,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
 
                 if (item is not null)
                 {
-                    item.IsShortcut = string.Equals(extension, ".strm", StringComparison.OrdinalIgnoreCase);
+                    item.IsShortcut = extension.Equals(".strm", StringComparison.OrdinalIgnoreCase);
 
                     item.IsInMixedFolder = true;
                 }