5 files changed, 12 insertions, 16 deletions
diff --git a/Jellyfin.Api/Controllers/ItemUpdateController.cs b/Jellyfin.Api/Controllers/ItemUpdateController.cs
index a9f4a5a58..64d7b2f3e 100644
--- a/Jellyfin.Api/Controllers/ItemUpdateController.cs
+++ b/Jellyfin.Api/Controllers/ItemUpdateController.cs
@@ -154,11 +154,11 @@ namespace Jellyfin.Api.Controllers
             };
 
             if (!item.IsVirtualItem
-                && !(item is ICollectionFolder)
-                && !(item is UserView)
-                && !(item is AggregateFolder)
-                && !(item is LiveTvChannel)
-                && !(item is IItemByName)
+                && item is not ICollectionFolder
+                && item is not UserView
+                && item is not AggregateFolder
+                && item is not LiveTvChannel
+                && item is not IItemByName
                 && item.SourceType == SourceType.Library)
             {
                 var inheritedContentType = _libraryManager.GetInheritedContentType(item);
diff --git a/Jellyfin.Api/Controllers/ItemsController.cs b/Jellyfin.Api/Controllers/ItemsController.cs
index 35c27dd0e..52eefc5c2 100644
--- a/Jellyfin.Api/Controllers/ItemsController.cs
+++ b/Jellyfin.Api/Controllers/ItemsController.cs
@@ -241,7 +241,7 @@ namespace Jellyfin.Api.Controllers
             var item = _libraryManager.GetParentItem(parentId, userId);
             QueryResult<BaseItem> result;
 
-            if (!(item is Folder folder))
+            if (item is not Folder folder)
             {
                 folder = _libraryManager.GetUserRootFolder();
             }
@@ -285,7 +285,7 @@ namespace Jellyfin.Api.Controllers
                 return Unauthorized($"{user.Username} is not permitted to access Library {item.Name}.");
             }
 
-            if ((recursive.HasValue && recursive.Value) || ids.Length != 0 || !(item is UserRootFolder))
+            if ((recursive.HasValue && recursive.Value) || ids.Length != 0 || item is not UserRootFolder)
             {
                 var query = new InternalItemsQuery(user!)
                 {
diff --git a/Jellyfin.Api/Controllers/LibraryController.cs b/Jellyfin.Api/Controllers/LibraryController.cs
index 4ed15e1d5..8cc369a5c 100644
--- a/Jellyfin.Api/Controllers/LibraryController.cs
+++ b/Jellyfin.Api/Controllers/LibraryController.cs
@@ -700,7 +700,7 @@ namespace Jellyfin.Api.Controllers
                     : _libraryManager.RootFolder)
                 : _libraryManager.GetItemById(itemId);
 
-            if (item is Episode || (item is IItemByName && !(item is MusicArtist)))
+            if (item is Episode || (item is IItemByName && item is not MusicArtist))
             {
                 return new QueryResult<BaseItemDto>();
             }
diff --git a/Jellyfin.Api/Controllers/TvShowsController.cs b/Jellyfin.Api/Controllers/TvShowsController.cs
index 51d40994e..7c5b8a43b 100644
--- a/Jellyfin.Api/Controllers/TvShowsController.cs
+++ b/Jellyfin.Api/Controllers/TvShowsController.cs
@@ -228,7 +228,7 @@ namespace Jellyfin.Api.Controllers
             if (seasonId.HasValue) // Season id was supplied. Get episodes by season id.
             {
                 var item = _libraryManager.GetItemById(seasonId.Value);
-                if (!(item is Season seasonItem))
+                if (item is not Season seasonItem)
                 {
                     return NotFound("No season exists with Id " + seasonId);
                 }
@@ -237,7 +237,7 @@ namespace Jellyfin.Api.Controllers
             }
             else if (season.HasValue) // Season number was supplied. Get episodes by season number
             {
-                if (!(_libraryManager.GetItemById(seriesId) is Series series))
+                if (_libraryManager.GetItemById(seriesId) is not Series series)
                 {
                     return NotFound("Series not found");
                 }
@@ -252,7 +252,7 @@ namespace Jellyfin.Api.Controllers
             }
             else // No season number or season id was supplied. Returning all episodes.
             {
-                if (!(_libraryManager.GetItemById(seriesId) is Series series))
+                if (_libraryManager.GetItemById(seriesId) is not Series series)
                 {
                     return NotFound("Series not found");
                 }
@@ -336,7 +336,7 @@ namespace Jellyfin.Api.Controllers
                 ? _userManager.GetUserById(userId.Value)
                 : null;
 
-            if (!(_libraryManager.GetItemById(seriesId) is Series series))
+            if (_libraryManager.GetItemById(seriesId) is not Series series)
             {
                 return NotFound("Series not found");
             }
diff --git a/Jellyfin.Api/Helpers/StreamingHelpers.cs b/Jellyfin.Api/Helpers/StreamingHelpers.cs
index 8cffe9c4c..5b14b6468 100644
--- a/Jellyfin.Api/Helpers/StreamingHelpers.cs
+++ b/Jellyfin.Api/Helpers/StreamingHelpers.cs
@@ -222,11 +222,7 @@ namespace Jellyfin.Api.Helpers
                     {
                         var resolution = ResolutionNormalizer.Normalize(
                             state.VideoStream?.BitRate,
-                            state.VideoStream?.Width,
-                            state.VideoStream?.Height,
                             state.OutputVideoBitrate.Value,
-                            state.VideoStream?.Codec,
-                            state.OutputVideoCodec,
                             state.VideoRequest.MaxWidth,
                             state.VideoRequest.MaxHeight);