reduce file checks during library scan

3 files changed, 2 insertions, 57 deletions

diff --git a/MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs b/MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs
index a4f2053a9d..3499d5d3f8 100644
--- a/MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs
@@ -19,7 +19,7 @@ namespace MediaBrowser.Providers.MediaInfo
     /// <summary>
     /// Uses ffmpeg to create video images
     /// </summary>
-    public class AudioImageProvider : IDynamicImageProvider, IHasItemChangeMonitor
+    public class AudioImageProvider : IDynamicImageProvider
     {
         private readonly IMediaEncoder _mediaEncoder;
         private readonly IServerConfigurationManager _config;
@@ -134,19 +134,5 @@ namespace MediaBrowser.Providers.MediaInfo
 
             return item.LocationType == LocationType.FileSystem && audio != null;
         }
-
-        public bool HasChanged(IHasMetadata item, IDirectoryService directoryService)
-        {
-            if (item.EnableRefreshOnDateModifiedChange && !string.IsNullOrWhiteSpace(item.Path) && item.LocationType == LocationType.FileSystem)
-            {
-                var file = directoryService.GetFile(item.Path);
-                if (file != null && file.LastWriteTimeUtc != item.DateModified)
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
     }
 }
diff --git a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs b/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
index a9aa71bfa4..bce4219019 100644
--- a/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/FFProbeProvider.cs
@@ -34,7 +34,6 @@ namespace MediaBrowser.Providers.MediaInfo
         ICustomMetadataProvider<Audio>,
         ICustomMetadataProvider<AudioPodcast>,
         ICustomMetadataProvider<AudioBook>,
-        IHasItemChangeMonitor,
         IHasOrder,
         IForcedProvider,
         IPreRefreshProvider
@@ -180,32 +179,6 @@ namespace MediaBrowser.Providers.MediaInfo
             return prober.Probe(item, cancellationToken);
         }
 
-        public bool HasChanged(IHasMetadata item, IDirectoryService directoryService)
-        {
-            if (item.EnableRefreshOnDateModifiedChange && !string.IsNullOrWhiteSpace(item.Path) && item.LocationType == LocationType.FileSystem)
-            {
-                var file = directoryService.GetFile(item.Path);
-                if (file != null && file.LastWriteTimeUtc != item.DateModified)
-                {
-                    return true;
-                }
-            }
-
-            if (item.SupportsLocalMetadata)
-            {
-                var video = item as Video;
-
-                if (video != null && !video.IsPlaceHolder)
-                {
-                    return !video.SubtitleFiles
-                        .SequenceEqual(SubtitleResolver.GetSubtitleFiles(video, directoryService, _fileSystem, false)
-                        .OrderBy(i => i), StringComparer.OrdinalIgnoreCase);
-                }
-            }
-
-            return false;
-        }
-
         public int Order
         {
             get
diff --git a/MediaBrowser.Providers/MediaInfo/VideoImageProvider.cs b/MediaBrowser.Providers/MediaInfo/VideoImageProvider.cs
index 9b0d29cf04..9fde9c70fa 100644
--- a/MediaBrowser.Providers/MediaInfo/VideoImageProvider.cs
+++ b/MediaBrowser.Providers/MediaInfo/VideoImageProvider.cs
@@ -16,7 +16,7 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Providers.MediaInfo
 {
-    public class VideoImageProvider : IDynamicImageProvider, IHasItemChangeMonitor, IHasOrder
+    public class VideoImageProvider : IDynamicImageProvider, IHasOrder
     {
         private readonly IMediaEncoder _mediaEncoder;
         private readonly ILogger _logger;
@@ -149,19 +149,5 @@ namespace MediaBrowser.Providers.MediaInfo
                 return 100;
             }
         }
-
-        public bool HasChanged(IHasMetadata item, IDirectoryService directoryService)
-        {
-            if (item.EnableRefreshOnDateModifiedChange && !string.IsNullOrWhiteSpace(item.Path) && item.LocationType == LocationType.FileSystem)
-            {
-                var file = directoryService.GetFile(item.Path);
-                if (file != null && file.LastWriteTimeUtc != item.DateModified)
-                {
-                    return true;
-                }
-            }
-
-            return false;
-        }
     }
 }