Fix more analyzer warnings

7 files changed, 12 insertions, 12 deletions

diff --git a/MediaBrowser.Providers/Manager/ImageSaver.cs b/MediaBrowser.Providers/Manager/ImageSaver.cs
index d0d00ef127..313a70a2ae 100644
--- a/MediaBrowser.Providers/Manager/ImageSaver.cs
+++ b/MediaBrowser.Providers/Manager/ImageSaver.cs
@@ -420,7 +420,7 @@ namespace MediaBrowser.Providers.Manager
                     filename = GetBackdropSaveFilename(item.GetImages(type), "screenshot", "screenshot", imageIndex);
                     break;
                 default:
-                    filename = type.ToString().ToLower();
+                    filename = type.ToString().ToLowerInvariant();
                     break;
             }
 
@@ -429,7 +429,7 @@ namespace MediaBrowser.Providers.Manager
                 extension = ".jpg";
             }
 
-            extension = extension.ToLower();
+            extension = extension.ToLowerInvariant();
 
             string path = null;
 
diff --git a/MediaBrowser.Providers/Manager/ItemImageProvider.cs b/MediaBrowser.Providers/Manager/ItemImageProvider.cs
index c2e53ae6c4..6aa85ff37f 100644
--- a/MediaBrowser.Providers/Manager/ItemImageProvider.cs
+++ b/MediaBrowser.Providers/Manager/ItemImageProvider.cs
@@ -148,7 +148,7 @@ namespace MediaBrowser.Providers.Manager
                             }
                             else
                             {
-                                var mimeType = "image/" + response.Format.ToString().ToLower();
+                                var mimeType = "image/" + response.Format.ToString().ToLowerInvariant();
 
                                 await _providerManager.SaveImage(item, response.Stream, mimeType, imageType, null, cancellationToken).ConfigureAwait(false);
                             }
diff --git a/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs b/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
index 2ce10b656a..78d9f3d8f0 100644
--- a/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
+++ b/MediaBrowser.Providers/MediaInfo/SubtitleResolver.cs
@@ -119,7 +119,7 @@ namespace MediaBrowser.Providers.MediaInfo
                     continue;
                 }
 
-                var codec = Path.GetExtension(fullName).ToLower().TrimStart('.');
+                var codec = Path.GetExtension(fullName).ToLowerInvariant().TrimStart('.');
 
                 if (string.Equals(codec, "txt", StringComparison.OrdinalIgnoreCase))
                 {
diff --git a/MediaBrowser.Providers/Movies/MovieDbProvider.cs b/MediaBrowser.Providers/Movies/MovieDbProvider.cs
index f03a8c2c28..482f3021b7 100644
--- a/MediaBrowser.Providers/Movies/MovieDbProvider.cs
+++ b/MediaBrowser.Providers/Movies/MovieDbProvider.cs
@@ -285,7 +285,7 @@ namespace MediaBrowser.Providers.Movies
 
                 if (parts.Length == 2)
                 {
-                    language = parts[0] + "-" + parts[1].ToUpper();
+                    language = parts[0] + "-" + parts[1].ToUpperInvariant();
                 }
             }
 
diff --git a/MediaBrowser.Providers/Movies/MovieDbSearch.cs b/MediaBrowser.Providers/Movies/MovieDbSearch.cs
index 47d3d21bd6..e466d40a0c 100644
--- a/MediaBrowser.Providers/Movies/MovieDbSearch.cs
+++ b/MediaBrowser.Providers/Movies/MovieDbSearch.cs
@@ -72,7 +72,7 @@ namespace MediaBrowser.Providers.Movies
             }
 
             _logger.LogInformation("MovieDbProvider: Finding id for item: " + name);
-            var language = idInfo.MetadataLanguage.ToLower();
+            var language = idInfo.MetadataLanguage.ToLowerInvariant();
 
             //nope - search for it
             //var searchType = item is BoxSet ? "collection" : "movie";
diff --git a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
index 468ba730ab..6657407c0a 100644
--- a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
+++ b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs
@@ -168,14 +168,14 @@ namespace MediaBrowser.Providers.Subtitles
                         memoryStream.Position = 0;
 
                         var savePaths = new List<string>();
-                        var saveFileName = _fileSystem.GetFileNameWithoutExtension(video.Path) + "." + response.Language.ToLower();
+                        var saveFileName = _fileSystem.GetFileNameWithoutExtension(video.Path) + "." + response.Language.ToLowerInvariant();
 
                         if (response.IsForced)
                         {
                             saveFileName += ".forced";
                         }
 
-                        saveFileName += "." + response.Format.ToLower();
+                        saveFileName += "." + response.Format.ToLowerInvariant();
 
                         if (saveInMediaFolder)
                         {
@@ -305,7 +305,7 @@ namespace MediaBrowser.Providers.Subtitles
 
         private string GetProviderId(string name)
         {
-            return name.ToLower().GetMD5().ToString("N");
+            return name.ToLowerInvariant().GetMD5().ToString("N");
         }
 
         private ISubtitleProvider GetProvider(string id)
diff --git a/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs b/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
index b6df64396c..920721926e 100644
--- a/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
+++ b/MediaBrowser.Providers/TV/TheTVDB/TvdbSeriesProvider.cs
@@ -66,7 +66,7 @@ namespace MediaBrowser.Providers.TV
             }
 
             // pt-br is just pt to tvdb
-            return language.Split('-')[0].ToLower();
+            return language.Split('-')[0].ToLowerInvariant();
         }
 
         public async Task<IEnumerable<RemoteSearchResult>> GetSearchResults(SeriesInfo searchInfo, CancellationToken cancellationToken)
@@ -776,7 +776,7 @@ namespace MediaBrowser.Providers.TV
         /// <returns>System.String.</returns>
         private string GetComparableName(string name)
         {
-            name = name.ToLower();
+            name = name.ToLowerInvariant();
             name = _localizationManager.NormalizeFormKD(name);
             var sb = new StringBuilder();
             foreach (var c in name)
@@ -1620,7 +1620,7 @@ namespace MediaBrowser.Providers.TV
         {
             var seriesDataPath = GetSeriesDataPath(_config.ApplicationPaths, seriesProviderIds);
 
-            var seriesXmlFilename = language.ToLower() + ".xml";
+            var seriesXmlFilename = language.ToLowerInvariant() + ".xml";
 
             return Path.Combine(seriesDataPath, seriesXmlFilename);
         }