update intro provider

MediaBrowser.Server.Implementations/Intros/DefaultIntroProvider.cs

@@ -166,7 +166,7 @@ namespace MediaBrowser.Server.Implementations.Intros
         private IEnumerable<IntroInfo> GetResult(BaseItem item, IEnumerable<ItemWithTrailer> candidates, CinemaModeConfiguration config, int? ratingLevel)
         {
             var customIntros = !string.IsNullOrWhiteSpace(config.CustomIntroPath) ?
-                GetCustomIntros(item) :
+                GetCustomIntros(config) :
                 new List<IntroInfo>();
 
             var trailerLimit = config.TrailerLimit;
@@ -215,11 +215,11 @@ namespace MediaBrowser.Server.Implementations.Intros
             return _serverConfig.GetConfiguration<CinemaModeConfiguration>("cinemamode");
         }
 
-        private List<IntroInfo> GetCustomIntros(BaseItem item)
+        private List<IntroInfo> GetCustomIntros(CinemaModeConfiguration options)
         {
             try
             {
-                return GetCustomIntroFiles()
+                return GetCustomIntroFiles(options, true, false)
                     .OrderBy(i => Guid.NewGuid())
                     .Select(i => new IntroInfo
                     {
@@ -233,24 +233,22 @@ namespace MediaBrowser.Server.Implementations.Intros
             }
         }
 
-        private IEnumerable<string> GetCustomIntroFiles(CinemaModeConfiguration options = null)
+        private IEnumerable<string> GetCustomIntroFiles(CinemaModeConfiguration options, bool enableCustomIntros, bool enableMediaInfoIntros)
         {
-            options = options ?? GetOptions();
-
             var list = new List<string>();
 
-            if (!string.IsNullOrWhiteSpace(options.CustomIntroPath))
+            if (enableCustomIntros && !string.IsNullOrWhiteSpace(options.CustomIntroPath))
             {
                 list.AddRange(_fileSystem.GetFilePaths(options.CustomIntroPath, true)
                     .Where(_libraryManager.IsVideoFile));
             }
 
-            if (!string.IsNullOrWhiteSpace(options.MediaInfoIntroPath))
+            if (enableMediaInfoIntros && !string.IsNullOrWhiteSpace(options.MediaInfoIntroPath))
             {
                 list.AddRange(_fileSystem.GetFilePaths(options.MediaInfoIntroPath, true)
                     .Where(_libraryManager.IsVideoFile));
             }
-            
+
             return list.Distinct(StringComparer.OrdinalIgnoreCase);
         }
 
@@ -352,7 +350,7 @@ namespace MediaBrowser.Server.Implementations.Intros
 
         public IEnumerable<string> GetAllIntroFiles()
         {
-            return GetCustomIntroFiles();
+            return GetCustomIntroFiles(GetOptions(), true, true);
         }
 
         private bool IsSupporter