1 files changed, 10 insertions, 13 deletions

diff --git a/Jellyfin.Api/Controllers/StudiosController.cs b/Jellyfin.Api/Controllers/StudiosController.cs
index 27dcd51bc..bb54c59f6 100644
--- a/Jellyfin.Api/Controllers/StudiosController.cs
+++ b/Jellyfin.Api/Controllers/StudiosController.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.ComponentModel.DataAnnotations;
 using Jellyfin.Api.Constants;
 using Jellyfin.Api.Extensions;
@@ -71,10 +71,10 @@ namespace Jellyfin.Api.Controllers
             [FromQuery] int? startIndex,
             [FromQuery] int? limit,
             [FromQuery] string? searchTerm,
-            [FromQuery] string? parentId,
+            [FromQuery] Guid? parentId,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ItemFields[] fields,
-            [FromQuery] string? excludeItemTypes,
-            [FromQuery] string? includeItemTypes,
+            [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] excludeItemTypes,
+            [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] includeItemTypes,
             [FromQuery] bool? isFavorite,
             [FromQuery] bool? enableUserData,
             [FromQuery] int? imageTypeLimit,
@@ -94,13 +94,10 @@ namespace Jellyfin.Api.Controllers
 
             var parentItem = _libraryManager.GetParentItem(parentId, userId);
 
-            var excludeItemTypesArr = RequestHelpers.Split(excludeItemTypes, ',', true);
-            var includeItemTypesArr = RequestHelpers.Split(includeItemTypes, ',', true);
-
             var query = new InternalItemsQuery(user)
             {
-                ExcludeItemTypes = excludeItemTypesArr,
-                IncludeItemTypes = includeItemTypesArr,
+                ExcludeItemTypes = excludeItemTypes,
+                IncludeItemTypes = includeItemTypes,
                 StartIndex = startIndex,
                 Limit = limit,
                 IsFavorite = isFavorite,
@@ -112,20 +109,20 @@ namespace Jellyfin.Api.Controllers
                 EnableTotalRecordCount = enableTotalRecordCount
             };
 
-            if (!string.IsNullOrWhiteSpace(parentId))
+            if (parentId.HasValue)
             {
                 if (parentItem is Folder)
                 {
-                    query.AncestorIds = new[] { new Guid(parentId) };
+                    query.AncestorIds = new[] { parentId.Value };
                 }
                 else
                 {
-                    query.ItemIds = new[] { new Guid(parentId) };
+                    query.ItemIds = new[] { parentId.Value };
                 }
             }
 
             var result = _libraryManager.GetStudios(query);
-            var shouldIncludeItemTypes = !string.IsNullOrEmpty(includeItemTypes);
+            var shouldIncludeItemTypes = includeItemTypes.Length != 0;
             return RequestHelpers.CreateQueryResult(result, dtoOptions, _dtoService, shouldIncludeItemTypes, user);
         }