Merge pull request #6430 from Bond-009/minor17

Minor improvements

8 files changed, 13 insertions, 25 deletions

diff --git a/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs b/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
index 97f40b537..abfdb41d8 100644
--- a/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
+++ b/MediaBrowser.Controller/BaseItemManager/BaseItemManager.cs
@@ -1,6 +1,5 @@
-#nullable disable
-
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading;
 using Jellyfin.Extensions;
@@ -16,7 +15,7 @@ namespace MediaBrowser.Controller.BaseItemManager
     {
         private readonly IServerConfigurationManager _serverConfigurationManager;
 
-        private int _metadataRefreshConcurrency = 0;
+        private int _metadataRefreshConcurrency;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="BaseItemManager"/> class.
@@ -101,7 +100,7 @@ namespace MediaBrowser.Controller.BaseItemManager
         /// Called when the configuration is updated.
         /// It will refresh the metadata throttler if the relevant config changed.
         /// </summary>
-        private void OnConfigurationUpdated(object sender, EventArgs e)
+        private void OnConfigurationUpdated(object? sender, EventArgs e)
         {
             int newMetadataRefreshConcurrency = GetMetadataRefreshConcurrency();
             if (_metadataRefreshConcurrency != newMetadataRefreshConcurrency)
@@ -114,6 +113,7 @@ namespace MediaBrowser.Controller.BaseItemManager
         /// <summary>
         /// Creates the metadata refresh throttler.
         /// </summary>
+        [MemberNotNull(nameof(MetadataRefreshThrottler))]
         private void SetupMetadataThrottler()
         {
             MetadataRefreshThrottler = new SemaphoreSlim(_metadataRefreshConcurrency);
diff --git a/MediaBrowser.Controller/BaseItemManager/IBaseItemManager.cs b/MediaBrowser.Controller/BaseItemManager/IBaseItemManager.cs
index b2b36c040..e18994214 100644
--- a/MediaBrowser.Controller/BaseItemManager/IBaseItemManager.cs
+++ b/MediaBrowser.Controller/BaseItemManager/IBaseItemManager.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 using System.Threading;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Configuration;
@@ -34,4 +32,4 @@ namespace MediaBrowser.Controller.BaseItemManager
         /// <returns><c>true</c> if image fetcher is enabled, else false.</returns>
         bool IsImageFetcherEnabled(BaseItem baseItem, LibraryOptions libraryOptions, string name);
     }
-}
\ No newline at end of file
+}
diff --git a/MediaBrowser.Controller/Channels/ChannelItemResult.cs b/MediaBrowser.Controller/Channels/ChannelItemResult.cs
index 7a0addd9f..ca7721991 100644
--- a/MediaBrowser.Controller/Channels/ChannelItemResult.cs
+++ b/MediaBrowser.Controller/Channels/ChannelItemResult.cs
@@ -1,7 +1,6 @@
-#nullable disable
-
-#pragma warning disable CA1002, CA2227, CS1591
+#pragma warning disable CS1591
 
+using System;
 using System.Collections.Generic;
 
 namespace MediaBrowser.Controller.Channels
@@ -10,10 +9,10 @@ namespace MediaBrowser.Controller.Channels
     {
         public ChannelItemResult()
         {
-            Items = new List<ChannelItemInfo>();
+            Items = Array.Empty<ChannelItemInfo>();
         }
 
-        public List<ChannelItemInfo> Items { get; set; }
+        public IReadOnlyList<ChannelItemInfo> Items { get; set; }
 
         public int? TotalRecordCount { get; set; }
     }
diff --git a/MediaBrowser.Controller/Collections/CollectionCreationOptions.cs b/MediaBrowser.Controller/Collections/CollectionCreationOptions.cs
index 76ad335c5..30f5f4efa 100644
--- a/MediaBrowser.Controller/Collections/CollectionCreationOptions.cs
+++ b/MediaBrowser.Controller/Collections/CollectionCreationOptions.cs
@@ -1,6 +1,6 @@
 #nullable disable
 
-#pragma warning disable CA2227, CS1591
+#pragma warning disable CS1591
 
 using System;
 using System.Collections.Generic;
diff --git a/MediaBrowser.Controller/Collections/CollectionModifiedEventArgs.cs b/MediaBrowser.Controller/Collections/CollectionModifiedEventArgs.cs
index 8155cf3db..e538fa4b3 100644
--- a/MediaBrowser.Controller/Collections/CollectionModifiedEventArgs.cs
+++ b/MediaBrowser.Controller/Collections/CollectionModifiedEventArgs.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 #pragma warning disable CS1591
 
 using System;
diff --git a/MediaBrowser.Controller/Collections/ICollectionManager.cs b/MediaBrowser.Controller/Collections/ICollectionManager.cs
index 49cc39f04..b8c33ee5a 100644
--- a/MediaBrowser.Controller/Collections/ICollectionManager.cs
+++ b/MediaBrowser.Controller/Collections/ICollectionManager.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 #pragma warning disable CS1591
 
 using System;
@@ -16,17 +14,17 @@ namespace MediaBrowser.Controller.Collections
         /// <summary>
         /// Occurs when [collection created].
         /// </summary>
-        event EventHandler<CollectionCreatedEventArgs> CollectionCreated;
+        event EventHandler<CollectionCreatedEventArgs>? CollectionCreated;
 
         /// <summary>
         /// Occurs when [items added to collection].
         /// </summary>
-        event EventHandler<CollectionModifiedEventArgs> ItemsAddedToCollection;
+        event EventHandler<CollectionModifiedEventArgs>? ItemsAddedToCollection;
 
         /// <summary>
         /// Occurs when [items removed from collection].
         /// </summary>
-        event EventHandler<CollectionModifiedEventArgs> ItemsRemovedFromCollection;
+        event EventHandler<CollectionModifiedEventArgs>? ItemsRemovedFromCollection;
 
         /// <summary>
         /// Creates the collection.
diff --git a/MediaBrowser.Controller/Configuration/IServerConfigurationManager.cs b/MediaBrowser.Controller/Configuration/IServerConfigurationManager.cs
index 44e2c45dd..43ad04dba 100644
--- a/MediaBrowser.Controller/Configuration/IServerConfigurationManager.cs
+++ b/MediaBrowser.Controller/Configuration/IServerConfigurationManager.cs
@@ -1,5 +1,3 @@
-#nullable disable
-
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.Configuration;
 
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 9bae95a27..141bb91c5 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -7,7 +7,6 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading;
@@ -16,9 +15,7 @@ using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.IO;
 using MediaBrowser.Model.MediaInfo;
-using Microsoft.Extensions.Configuration;
 
 namespace MediaBrowser.Controller.MediaEncoding
 {