Fix some warnings

MediaBrowser.Controller/Entities/Folder.cs

@@ -1015,17 +1015,17 @@ namespace MediaBrowser.Controller.Entities
 
             if (!string.IsNullOrEmpty(query.NameStartsWithOrGreater))
             {
-                items = items.Where(i => string.Compare(query.NameStartsWithOrGreater, i.SortName, StringComparison.CurrentCultureIgnoreCase) < 1);
+                items = items.Where(i => string.Compare(query.NameStartsWithOrGreater, i.SortName, StringComparison.InvariantCultureIgnoreCase) < 1);
             }
 
             if (!string.IsNullOrEmpty(query.NameStartsWith))
             {
-                items = items.Where(i => i.SortName.StartsWith(query.NameStartsWith, StringComparison.CurrentCultureIgnoreCase));
+                items = items.Where(i => i.SortName.StartsWith(query.NameStartsWith, StringComparison.InvariantCultureIgnoreCase));
             }
 
             if (!string.IsNullOrEmpty(query.NameLessThan))
             {
-                items = items.Where(i => string.Compare(query.NameLessThan, i.SortName, StringComparison.CurrentCultureIgnoreCase) == 1);
+                items = items.Where(i => string.Compare(query.NameLessThan, i.SortName, StringComparison.InvariantCultureIgnoreCase) == 1);
             }
 
             // This must be the last filter

MediaBrowser.Controller/Entities/UserRootFolder.cs

@@ -24,6 +24,14 @@ namespace MediaBrowser.Controller.Entities
         private readonly object _childIdsLock = new object();
         private List<Guid> _childrenIds = null;
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="UserRootFolder"/> class.
+        /// </summary>
+        public UserRootFolder()
+        {
+            IsRoot = true;
+        }
+
         [JsonIgnore]
         public override bool SupportsInheritedParentImages => false;
 
@@ -44,14 +52,6 @@ namespace MediaBrowser.Controller.Entities
             }
         }
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="UserRootFolder"/> class.
-        /// </summary>
-        public UserRootFolder()
-        {
-            IsRoot = true;
-        }
-
         protected override List<BaseItem> LoadChildren()
         {
             lock (_childIdsLock)

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -37,7 +37,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             "ConstrainedHigh"
         };
 
-        private static readonly Version minVersionForCudaOverlay = new Version(4, 4);
+        private static readonly Version _minVersionForCudaOverlay = new Version(4, 4);
 
         public EncodingHelper(
             IMediaEncoder mediaEncoder,
@@ -647,8 +647,8 @@ namespace MediaBrowser.Controller.MediaEncoding
                 }
 
                 if (state.IsVideoRequest
-                    && ((string.Equals(options.HardwareAccelerationType, "nvenc", StringComparison.OrdinalIgnoreCase)
-                         && (isNvdecDecoder || isCuvidHevcDecoder || isCuvidVp9Decoder || isSwDecoder))))
+                    && string.Equals(options.HardwareAccelerationType, "nvenc", StringComparison.OrdinalIgnoreCase)
+                    && (isNvdecDecoder || isCuvidHevcDecoder || isCuvidVp9Decoder || isSwDecoder))
                 {
                     if (!isCudaTonemappingSupported && isOpenclTonemappingSupported)
                     {
@@ -2099,7 +2099,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             var isVppTonemappingSupported = IsVppTonemappingSupported(state, options);
 
             var mediaEncoderVersion = _mediaEncoder.GetMediaEncoderVersion();
-            var isCudaOverlaySupported = _mediaEncoder.SupportsFilter("overlay_cuda") && mediaEncoderVersion != null && mediaEncoderVersion >= minVersionForCudaOverlay;
+            var isCudaOverlaySupported = _mediaEncoder.SupportsFilter("overlay_cuda") && mediaEncoderVersion != null && mediaEncoderVersion >= _minVersionForCudaOverlay;
             var isCudaFormatConversionSupported = _mediaEncoder.SupportsFilterWithOption(FilterOptionType.ScaleCudaFormat);
 
             // Tonemapping and burn-in graphical subtitles requires overlay_vaapi.
@@ -2380,7 +2380,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 var isCudaTonemappingSupported = IsCudaTonemappingSupported(state, options);
                 var isTonemappingSupportedOnNvenc = string.Equals(options.HardwareAccelerationType, "nvenc", StringComparison.OrdinalIgnoreCase);
                 var mediaEncoderVersion = _mediaEncoder.GetMediaEncoderVersion();
-                var isCudaOverlaySupported = _mediaEncoder.SupportsFilter("overlay_cuda") && mediaEncoderVersion != null && mediaEncoderVersion >= minVersionForCudaOverlay;
+                var isCudaOverlaySupported = _mediaEncoder.SupportsFilter("overlay_cuda") && mediaEncoderVersion != null && mediaEncoderVersion >= _minVersionForCudaOverlay;
                 var isCudaFormatConversionSupported = _mediaEncoder.SupportsFilterWithOption(FilterOptionType.ScaleCudaFormat);
                 var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
 
@@ -2683,7 +2683,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             var isVppTonemappingSupported = IsVppTonemappingSupported(state, options);
             var isCudaTonemappingSupported = IsCudaTonemappingSupported(state, options);
             var mediaEncoderVersion = _mediaEncoder.GetMediaEncoderVersion();
-            var isCudaOverlaySupported = _mediaEncoder.SupportsFilter("overlay_cuda") && mediaEncoderVersion != null && mediaEncoderVersion >= minVersionForCudaOverlay;
+            var isCudaOverlaySupported = _mediaEncoder.SupportsFilter("overlay_cuda") && mediaEncoderVersion != null && mediaEncoderVersion >= _minVersionForCudaOverlay;
 
             var hasSubs = state.SubtitleStream != null && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;
             var hasTextSubs = state.SubtitleStream != null && state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;

MediaBrowser.Controller/SyncPlay/PlaybackRequests/RemoveFromPlaylistGroupRequest.cs

@@ -19,7 +19,6 @@ namespace MediaBrowser.Controller.SyncPlay.PlaybackRequests
         /// <param name="items">The playlist ids of the items to remove.</param>
         /// <param name="clearPlaylist">Whether to clear the entire playlist. The items list will be ignored.</param>
         /// <param name="clearPlayingItem">Whether to remove the playing item as well. Used only when clearing the playlist.</param>
-
         public RemoveFromPlaylistGroupRequest(IReadOnlyList<Guid> items, bool clearPlaylist = false, bool clearPlayingItem = false)
         {
             PlaylistItemIds = items ?? Array.Empty<Guid>();

MediaBrowser.Model/Configuration/MetadataOptions.cs

@@ -1,5 +1,5 @@
 #nullable disable
-#pragma warning disable CS1591
+#pragma warning disable CS1591, CA1819
 
 using System;
 

MediaBrowser.Model/Dlna/ResolutionNormalizer.cs

@@ -5,7 +5,7 @@ using System;
 
 namespace MediaBrowser.Model.Dlna
 {
-    public class ResolutionNormalizer
+    public static class ResolutionNormalizer
     {
         private static readonly ResolutionConfiguration[] Configurations =
             new[]

MediaBrowser.Model/Users/UserPolicy.cs

@@ -1,5 +1,5 @@
 #nullable disable
-#pragma warning disable CS1591
+#pragma warning disable CS1591, CA1819
 
 using System;
 using System.Xml.Serialization;

MediaBrowser.Providers/MediaBrowser.Providers.csproj

@@ -29,8 +29,6 @@
     <TargetFramework>net5.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <AnalysisMode Condition=" '$(Configuration)' == 'Debug'">AllEnabledByDefault</AnalysisMode>
     <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
     <Nullable>disable</Nullable>
   </PropertyGroup>

jellyfin.ruleset

@@ -1,9 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RuleSet Name="Rules for Jellyfin.Server" Description="Code analysis rules for Jellyfin.Server.csproj" ToolsVersion="14.0">
   <Rules AnalyzerId="StyleCop.Analyzers" RuleNamespace="StyleCop.Analyzers">
-    <!-- disable warning CA1040: Avoid empty interfaces -->
-    <Rule Id="CA1040" Action="Info" />
-
     <!-- disable warning SA1009: Closing parenthesis should be followed by a space. -->
     <Rule Id="SA1009" Action="None" />
     <!-- disable warning SA1011: Closing square bracket should be followed by a space. -->
@@ -57,12 +54,19 @@
     <Rule Id="CA1031" Action="Info" />
     <!-- disable warning CA1032: Implement standard exception constructors -->
     <Rule Id="CA1032" Action="Info" />
+    <!-- disable warning CA1040: Avoid empty interfaces -->
+    <Rule Id="CA1040" Action="Info" />
     <!-- disable warning CA1062: Validate arguments of public methods -->
     <Rule Id="CA1062" Action="Info" />
+    <!-- TODO: enable when false positives are fixed -->
+    <!-- disable warning CA1508: Avoid dead conditional code -->
+    <Rule Id="CA1508" Action="Info" />
     <!-- disable warning CA1716: Identifiers should not match keywords -->
     <Rule Id="CA1716" Action="Info" />
     <!-- disable warning CA1720: Identifiers should not contain type names -->
     <Rule Id="CA1720" Action="Info" />
+    <!-- disable warning CA1724: Type names should not match namespaces -->
+    <Rule Id="CA1724" Action="Info" />
     <!-- disable warning CA1805: Do not initialize unnecessarily -->
     <Rule Id="CA1805" Action="Info" />
     <!-- disable warning CA1812: internal class that is apparently never instantiated.