Browse Source

moved image manager to an interface

Luke Pulverenti 11 năm trước cách đây
mục cha
commit
d58da2a772

+ 16 - 17
MediaBrowser.Api/DefaultTheme/DefaultThemeService.cs

@@ -1,4 +1,4 @@
-using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
@@ -13,7 +13,6 @@ using ServiceStack.ServiceHost;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 
 namespace MediaBrowser.Api.DefaultTheme
 {
@@ -68,24 +67,26 @@ namespace MediaBrowser.Api.DefaultTheme
         private readonly ILibraryManager _libraryManager;
 
         private readonly ILocalizationManager _localization;
+        private readonly IImageProcessor _imageProcessor;
 
-        public DefaultThemeService(IUserManager userManager, IDtoService dtoService, ILogger logger, ILibraryManager libraryManager, ILocalizationManager localization)
+        public DefaultThemeService(IUserManager userManager, IDtoService dtoService, ILogger logger, ILibraryManager libraryManager, ILocalizationManager localization, IImageProcessor imageProcessor)
         {
             _userManager = userManager;
             _dtoService = dtoService;
             _logger = logger;
             _libraryManager = libraryManager;
             _localization = localization;
+            _imageProcessor = imageProcessor;
         }
 
         public object Get(GetHomeView request)
         {
-            var result = GetHomeView(request).Result;
+            var result = GetHomeView(request);
 
             return ToOptimizedResult(result);
         }
 
-        private async Task<HomeView> GetHomeView(GetHomeView request)
+        private HomeView GetHomeView(GetHomeView request)
         {
             var user = _userManager.GetUserById(request.UserId);
 
@@ -113,12 +114,12 @@ namespace MediaBrowser.Api.DefaultTheme
 
         public object Get(GetGamesView request)
         {
-            var result = GetGamesView(request).Result;
+            var result = GetGamesView(request);
 
             return ToOptimizedResult(result);
         }
 
-        private async Task<GamesView> GetGamesView(GetGamesView request)
+        private GamesView GetGamesView(GetGamesView request)
         {
             var user = _userManager.GetUserById(request.UserId);
 
@@ -145,19 +146,19 @@ namespace MediaBrowser.Api.DefaultTheme
 
         public object Get(GetMovieView request)
         {
-            var result = GetMovieView(request).Result;
+            var result = GetMovieView(request);
 
             return ToOptimizedResult(result);
         }
 
         public object Get(GetTvView request)
         {
-            var result = GetTvView(request).Result;
+            var result = GetTvView(request);
 
             return ToOptimizedResult(result);
         }
 
-        private async Task<TvView> GetTvView(GetTvView request)
+        private TvView GetTvView(GetTvView request)
         {
             var user = _userManager.GetUserById(request.UserId);
 
@@ -210,7 +211,7 @@ namespace MediaBrowser.Api.DefaultTheme
             return view;
         }
 
-        private async Task<MoviesView> GetMovieView(GetMovieView request)
+        private MoviesView GetMovieView(GetMovieView request)
         {
             var user = _userManager.GetUserById(request.UserId);
 
@@ -348,9 +349,9 @@ namespace MediaBrowser.Api.DefaultTheme
         {
             try
             {
-                var date = Kernel.Instance.ImageManager.GetImageDateModified(item, path);
+                var date = item.GetImageDateModified(path);
 
-                var size = Kernel.Instance.ImageManager.GetImageSize(path, date);
+                var size = _imageProcessor.GetImageSize(path, date);
 
                 return size.Width;
             }
@@ -400,13 +401,11 @@ namespace MediaBrowser.Api.DefaultTheme
                 ImageType = imageType
             };
 
-            var imageManager = Kernel.Instance.ImageManager;
-
             try
             {
-                var imagePath = imageManager.GetImagePath(item, imageType, 0);
+                var imagePath = item.GetImagePath(imageType, 0);
 
-                stub.ImageTag = imageManager.GetImageCacheTag(item, imageType, imagePath);
+                stub.ImageTag = _imageProcessor.GetImageCacheTag(item, imageType, imagePath);
             }
             catch (Exception ex)
             {

+ 20 - 29
MediaBrowser.Api/Images/ImageService.cs

@@ -2,6 +2,7 @@
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
@@ -338,11 +339,12 @@ namespace MediaBrowser.Api.Images
 
         private readonly IItemRepository _itemRepo;
         private readonly IDtoService _dtoService;
+        private readonly IImageProcessor _imageProcessor;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="ImageService" /> class.
         /// </summary>
-        public ImageService(IUserManager userManager, ILibraryManager libraryManager, IApplicationPaths appPaths, IProviderManager providerManager, IItemRepository itemRepo, IDtoService dtoService)
+        public ImageService(IUserManager userManager, ILibraryManager libraryManager, IApplicationPaths appPaths, IProviderManager providerManager, IItemRepository itemRepo, IDtoService dtoService, IImageProcessor imageProcessor)
         {
             _userManager = userManager;
             _libraryManager = libraryManager;
@@ -350,6 +352,7 @@ namespace MediaBrowser.Api.Images
             _providerManager = providerManager;
             _itemRepo = itemRepo;
             _dtoService = dtoService;
+            _imageProcessor = imageProcessor;
         }
 
         /// <summary>
@@ -403,15 +406,13 @@ namespace MediaBrowser.Api.Images
 
                 var fileInfo = new FileInfo(path);
 
-                var dateModified = Kernel.Instance.ImageManager.GetImageDateModified(item, path);
-
-                var size = Kernel.Instance.ImageManager.GetImageSize(path, dateModified);
+                var size = _imageProcessor.GetImageSize(path);
 
                 list.Add(new ImageInfo
                 {
                     Path = path,
                     ImageType = image.Key,
-                    ImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(item, image.Key, path),
+                    ImageTag = _imageProcessor.GetImageCacheTag(item, image.Key, path),
                     Size = fileInfo.Length,
                     Width = Convert.ToInt32(size.Width),
                     Height = Convert.ToInt32(size.Height)
@@ -424,16 +425,14 @@ namespace MediaBrowser.Api.Images
             {
                 var fileInfo = new FileInfo(image);
 
-                var dateModified = Kernel.Instance.ImageManager.GetImageDateModified(item, image);
-
-                var size = Kernel.Instance.ImageManager.GetImageSize(image, dateModified);
+                var size = _imageProcessor.GetImageSize(image);
 
                 list.Add(new ImageInfo
                 {
                     Path = image,
                     ImageIndex = index,
                     ImageType = ImageType.Backdrop,
-                    ImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(item, ImageType.Backdrop, image),
+                    ImageTag = _imageProcessor.GetImageCacheTag(item, ImageType.Backdrop, image),
                     Size = fileInfo.Length,
                     Width = Convert.ToInt32(size.Width),
                     Height = Convert.ToInt32(size.Height)
@@ -448,16 +447,14 @@ namespace MediaBrowser.Api.Images
             {
                 var fileInfo = new FileInfo(image);
 
-                var dateModified = Kernel.Instance.ImageManager.GetImageDateModified(item, image);
-
-                var size = Kernel.Instance.ImageManager.GetImageSize(image, dateModified);
+                var size = _imageProcessor.GetImageSize(image);
 
                 list.Add(new ImageInfo
                 {
                     Path = image,
                     ImageIndex = index,
                     ImageType = ImageType.Screenshot,
-                    ImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(item, ImageType.Screenshot, image),
+                    ImageTag = _imageProcessor.GetImageCacheTag(item, ImageType.Screenshot, image),
                     Size = fileInfo.Length,
                     Width = Convert.ToInt32(size.Width),
                     Height = Convert.ToInt32(size.Height)
@@ -480,16 +477,14 @@ namespace MediaBrowser.Api.Images
 
                         var fileInfo = new FileInfo(image);
 
-                        var dateModified = Kernel.Instance.ImageManager.GetImageDateModified(item, image);
-
-                        var size = Kernel.Instance.ImageManager.GetImageSize(image, dateModified);
+                        var size = _imageProcessor.GetImageSize(image);
 
                         list.Add(new ImageInfo
                         {
                             Path = image,
                             ImageIndex = index,
                             ImageType = ImageType.Chapter,
-                            ImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(item, ImageType.Chapter, image),
+                            ImageTag = _imageProcessor.GetImageCacheTag(item, ImageType.Chapter, image),
                             Size = fileInfo.Length,
                             Width = Convert.ToInt32(size.Width),
                             Height = Convert.ToInt32(size.Height)
@@ -721,11 +716,7 @@ namespace MediaBrowser.Api.Images
         /// </exception>
         private object GetImage(ImageRequest request, BaseItem item)
         {
-            var kernel = Kernel.Instance;
-
-            var index = request.Index ?? 0;
-
-            var imagePath = GetImagePath(kernel, request, item);
+            var imagePath = GetImagePath(request, item);
 
             if (string.IsNullOrEmpty(imagePath))
             {
@@ -733,9 +724,9 @@ namespace MediaBrowser.Api.Images
             }
 
             // See if we can avoid a file system lookup by looking for the file in ResolveArgs
-            var originalFileImageDateModified = kernel.ImageManager.GetImageDateModified(item, imagePath);
+            var originalFileImageDateModified = item.GetImageDateModified(imagePath);
 
-            var supportedImageEnhancers = request.EnableImageEnhancers ? kernel.ImageManager.ImageEnhancers.Where(i =>
+            var supportedImageEnhancers = request.EnableImageEnhancers ? _imageProcessor.ImageEnhancers.Where(i =>
             {
                 try
                 {
@@ -759,7 +750,7 @@ namespace MediaBrowser.Api.Images
 
             var contentType = MimeTypes.GetMimeType(imagePath);
 
-            var cacheGuid = kernel.ImageManager.GetImageCacheTag(imagePath, originalFileImageDateModified, supportedImageEnhancers, item, request.Type);
+            var cacheGuid = _imageProcessor.GetImageCacheTag(item, request.Type, imagePath, originalFileImageDateModified, supportedImageEnhancers);
 
             TimeSpan? cacheDuration = null;
 
@@ -778,7 +769,8 @@ namespace MediaBrowser.Api.Images
                 Request = currentRequest,
                 OriginalImageDateModified = originalFileImageDateModified,
                 Enhancers = supportedImageEnhancers,
-                OriginalImagePath = imagePath
+                OriginalImagePath = imagePath,
+                ImageProcessor = _imageProcessor
 
             }, contentType);
         }
@@ -786,15 +778,14 @@ namespace MediaBrowser.Api.Images
         /// <summary>
         /// Gets the image path.
         /// </summary>
-        /// <param name="kernel">The kernel.</param>
         /// <param name="request">The request.</param>
         /// <param name="item">The item.</param>
         /// <returns>System.String.</returns>
-        private string GetImagePath(Kernel kernel, ImageRequest request, BaseItem item)
+        private string GetImagePath(ImageRequest request, BaseItem item)
         {
             var index = request.Index ?? 0;
 
-            return kernel.ImageManager.GetImagePath(item, request.Type, index);
+            return item.GetImagePath(request.Type, index);
         }
 
         /// <summary>

+ 4 - 2
MediaBrowser.Api/Images/ImageWriter.cs

@@ -1,4 +1,4 @@
-using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
@@ -35,6 +35,8 @@ namespace MediaBrowser.Api.Images
 
         public string OriginalImagePath;
 
+        public IImageProcessor ImageProcessor { get; set; }
+
         /// <summary>
         /// The _options
         /// </summary>
@@ -73,7 +75,7 @@ namespace MediaBrowser.Api.Images
                 cropwhitespace = Request.CropWhitespace.Value;
             }
 
-            return Kernel.Instance.ImageManager.ProcessImage(Item, Request.Type, Request.Index ?? 0, OriginalImagePath, cropwhitespace,
+            return ImageProcessor.ProcessImage(Item, Request.Type, Request.Index ?? 0, OriginalImagePath, cropwhitespace,
                                                     OriginalImageDateModified, responseStream, Request.Width, Request.Height, Request.MaxWidth,
                                                     Request.MaxHeight, Request.Quality, Enhancers);
         }

+ 3 - 10
MediaBrowser.Api/Playback/Progressive/AudioService.cs

@@ -1,5 +1,6 @@
 using MediaBrowser.Common.MediaInfo;
 using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
@@ -41,16 +42,8 @@ namespace MediaBrowser.Api.Playback.Progressive
     /// </summary>
     public class AudioService : BaseProgressiveStreamingService
     {
-        /// <summary>
-        /// Initializes a new instance of the <see cref="AudioService"/> class.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="userManager">The user manager.</param>
-        /// <param name="libraryManager">The library manager.</param>
-        /// <param name="isoManager">The iso manager.</param>
-        /// <param name="mediaEncoder">The media encoder.</param>
-        public AudioService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IDtoService dtoService)
-            : base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo, dtoService)
+        public AudioService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IDtoService dtoService, IImageProcessor imageProcessor)
+            : base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo, dtoService, imageProcessor)
         {
         }
 

+ 5 - 2
MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs

@@ -2,6 +2,7 @@
 using MediaBrowser.Common.MediaInfo;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
@@ -24,11 +25,13 @@ namespace MediaBrowser.Api.Playback.Progressive
     public abstract class BaseProgressiveStreamingService : BaseStreamingService
     {
         protected readonly IItemRepository ItemRepository;
+        protected readonly IImageProcessor ImageProcessor;
 
-        protected BaseProgressiveStreamingService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepository, IDtoService dtoService) :
+        protected BaseProgressiveStreamingService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepository, IDtoService dtoService, IImageProcessor imageProcessor) :
             base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, dtoService)
         {
             ItemRepository = itemRepository;
+            ImageProcessor = imageProcessor;
         }
 
         /// <summary>
@@ -303,7 +306,7 @@ namespace MediaBrowser.Api.Playback.Progressive
                 }
             }
 
-            return new ImageService(UserManager, LibraryManager, ApplicationPaths, null, ItemRepository, DtoService)
+            return new ImageService(UserManager, LibraryManager, ApplicationPaths, null, ItemRepository, DtoService, ImageProcessor)
             {
                 Logger = Logger,
                 RequestContext = RequestContext,

+ 3 - 10
MediaBrowser.Api/Playback/Progressive/VideoService.cs

@@ -1,5 +1,6 @@
 using MediaBrowser.Common.MediaInfo;
 using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
@@ -53,16 +54,8 @@ namespace MediaBrowser.Api.Playback.Progressive
     /// </summary>
     public class VideoService : BaseProgressiveStreamingService
     {
-        /// <summary>
-        /// Initializes a new instance of the <see cref="VideoService"/> class.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="userManager">The user manager.</param>
-        /// <param name="libraryManager">The library manager.</param>
-        /// <param name="isoManager">The iso manager.</param>
-        /// <param name="mediaEncoder">The media encoder.</param>
-        public VideoService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IDtoService dtoService)
-            : base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo, dtoService)
+        public VideoService(IServerApplicationPaths appPaths, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IItemRepository itemRepo, IDtoService dtoService, IImageProcessor imageProcessor)
+            : base(appPaths, userManager, libraryManager, isoManager, mediaEncoder, itemRepo, dtoService, imageProcessor)
         {
         }
 

+ 5 - 2
MediaBrowser.Api/SearchService.cs

@@ -1,4 +1,5 @@
 using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
@@ -66,6 +67,7 @@ namespace MediaBrowser.Api
         private readonly ILibrarySearchEngine _searchEngine;
         private readonly ILibraryManager _libraryManager;
         private readonly IDtoService _dtoService;
+        private readonly IImageProcessor _imageProcessor;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="SearchService" /> class.
@@ -73,12 +75,13 @@ namespace MediaBrowser.Api
         /// <param name="userManager">The user manager.</param>
         /// <param name="searchEngine">The search engine.</param>
         /// <param name="libraryManager">The library manager.</param>
-        public SearchService(IUserManager userManager, ILibrarySearchEngine searchEngine, ILibraryManager libraryManager, IDtoService dtoService)
+        public SearchService(IUserManager userManager, ILibrarySearchEngine searchEngine, ILibraryManager libraryManager, IDtoService dtoService, IImageProcessor imageProcessor)
         {
             _userManager = userManager;
             _searchEngine = searchEngine;
             _libraryManager = libraryManager;
             _dtoService = dtoService;
+            _imageProcessor = imageProcessor;
         }
 
         /// <summary>
@@ -161,7 +164,7 @@ namespace MediaBrowser.Api
 
             if (item.HasImage(ImageType.Primary))
             {
-                result.PrimaryImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(item, ImageType.Primary, item.GetImage(ImageType.Primary));
+                result.PrimaryImageTag = _imageProcessor.GetImageCacheTag(item, ImageType.Primary, item.GetImage(ImageType.Primary));
             }
 
             var episode = item as Episode;

+ 94 - 0
MediaBrowser.Controller/Drawing/IImageProcessor.cs

@@ -0,0 +1,94 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Drawing;
+using MediaBrowser.Model.Entities;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Drawing
+{
+    /// <summary>
+    /// Interface IImageProcessor
+    /// </summary>
+    public interface IImageProcessor
+    {
+        /// <summary>
+        /// Gets the image enhancers.
+        /// </summary>
+        /// <value>The image enhancers.</value>
+        IEnumerable<IImageEnhancer> ImageEnhancers { get; }
+
+        /// <summary>
+        /// Gets the size of the image.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>ImageSize.</returns>
+        ImageSize GetImageSize(string path);
+
+        /// <summary>
+        /// Gets the size of the image.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="imageDateModified">The image date modified.</param>
+        /// <returns>ImageSize.</returns>
+        ImageSize GetImageSize(string path, DateTime imageDateModified);
+
+        /// <summary>
+        /// Adds the parts.
+        /// </summary>
+        /// <param name="enhancers">The enhancers.</param>
+        void AddParts(IEnumerable<IImageEnhancer> enhancers);
+
+        /// <summary>
+        /// Gets the supported enhancers.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="imageType">Type of the image.</param>
+        /// <returns>IEnumerable{IImageEnhancer}.</returns>
+        IEnumerable<IImageEnhancer> GetSupportedEnhancers(BaseItem item, ImageType imageType);
+
+        /// <summary>
+        /// Gets the image cache tag.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="imageType">Type of the image.</param>
+        /// <param name="imagePath">The image path.</param>
+        /// <returns>Guid.</returns>
+        Guid GetImageCacheTag(BaseItem item, ImageType imageType, string imagePath);
+
+        /// <summary>
+        /// Gets the image cache tag.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="imageType">Type of the image.</param>
+        /// <param name="originalImagePath">The original image path.</param>
+        /// <param name="dateModified">The date modified.</param>
+        /// <param name="imageEnhancers">The image enhancers.</param>
+        /// <returns>Guid.</returns>
+        Guid GetImageCacheTag(BaseItem item, ImageType imageType, string originalImagePath, DateTime dateModified,
+                              IEnumerable<IImageEnhancer> imageEnhancers);
+
+        /// <summary>
+        /// Processes the image.
+        /// </summary>
+        /// <param name="entity">The entity.</param>
+        /// <param name="imageType">Type of the image.</param>
+        /// <param name="imageIndex">Index of the image.</param>
+        /// <param name="originalImagePath">The original image path.</param>
+        /// <param name="cropWhitespace">if set to <c>true</c> [crop whitespace].</param>
+        /// <param name="dateModified">The date modified.</param>
+        /// <param name="toStream">To stream.</param>
+        /// <param name="width">The width.</param>
+        /// <param name="height">The height.</param>
+        /// <param name="maxWidth">Width of the max.</param>
+        /// <param name="maxHeight">Height of the max.</param>
+        /// <param name="quality">The quality.</param>
+        /// <param name="enhancers">The enhancers.</param>
+        /// <returns>Task.</returns>
+        Task ProcessImage(BaseItem entity, ImageType imageType, int imageIndex, string originalImagePath, bool cropWhitespace,
+                     DateTime dateModified, Stream toStream, int? width, int? height, int? maxWidth, int? maxHeight,
+                     int? quality, List<IImageEnhancer> enhancers);
+    }
+}

+ 63 - 3
MediaBrowser.Controller/Entities/BaseItem.cs

@@ -1,5 +1,6 @@
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.IO;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Localization;
@@ -936,7 +937,7 @@ namespace MediaBrowser.Controller.Entities
 
             var itemsChanged = !LocalTrailerIds.SequenceEqual(newItemIds);
 
-            var tasks = newItems.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var tasks = newItems.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders, resetResolveArgs: false));
 
             var results = await Task.WhenAll(tasks).ConfigureAwait(false);
 
@@ -952,7 +953,7 @@ namespace MediaBrowser.Controller.Entities
 
             var themeVideosChanged = !ThemeVideoIds.SequenceEqual(newThemeVideoIds);
 
-            var tasks = newThemeVideos.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var tasks = newThemeVideos.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders, resetResolveArgs: false));
 
             var results = await Task.WhenAll(tasks).ConfigureAwait(false);
 
@@ -971,7 +972,7 @@ namespace MediaBrowser.Controller.Entities
 
             var themeSongsChanged = !ThemeSongIds.SequenceEqual(newThemeSongIds);
 
-            var tasks = newThemeSongs.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var tasks = newThemeSongs.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders, resetResolveArgs: false));
 
             var results = await Task.WhenAll(tasks).ConfigureAwait(false);
 
@@ -1562,5 +1563,64 @@ namespace MediaBrowser.Controller.Entities
                 ScreenshotImagePaths.Remove(path);
             }
         }
+
+        /// <summary>
+        /// Gets the image path.
+        /// </summary>
+        /// <param name="imageType">Type of the image.</param>
+        /// <param name="imageIndex">Index of the image.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.InvalidOperationException">
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        public string GetImagePath(ImageType imageType, int imageIndex)
+        {
+            if (imageType == ImageType.Backdrop)
+            {
+                return BackdropImagePaths[imageIndex];
+            }
+
+            if (imageType == ImageType.Screenshot)
+            {
+                return ScreenshotImagePaths[imageIndex];
+            }
+
+            if (imageType == ImageType.Chapter)
+            {
+                return ItemRepository.GetChapter(Id, imageIndex).ImagePath;
+            }
+
+            return GetImage(imageType);
+        }
+
+        /// <summary>
+        /// Gets the image date modified.
+        /// </summary>
+        /// <param name="imagePath">The image path.</param>
+        /// <returns>DateTime.</returns>
+        /// <exception cref="System.ArgumentNullException">item</exception>
+        public DateTime GetImageDateModified(string imagePath)
+        {
+            if (string.IsNullOrEmpty(imagePath))
+            {
+                throw new ArgumentNullException("imagePath");
+            }
+
+            var metaFileEntry = ResolveArgs.GetMetaFileByPath(imagePath);
+
+            // If we didn't the metafile entry, check the Season
+            if (metaFileEntry == null)
+            {
+                var episode = this as Episode;
+
+                if (episode != null && episode.Season != null)
+                {
+                    episode.Season.ResolveArgs.GetMetaFileByPath(imagePath);
+                }
+            }
+
+            // See if we can avoid a file system lookup by looking for the file in ResolveArgs
+            return metaFileEntry == null ? File.GetLastWriteTimeUtc(imagePath) : metaFileEntry.LastWriteTimeUtc;
+        }
     }
 }

+ 1 - 1
MediaBrowser.Controller/Entities/Movies/Movie.cs

@@ -62,7 +62,7 @@ namespace MediaBrowser.Controller.Entities.Movies
 
             var itemsChanged = !SpecialFeatureIds.SequenceEqual(newItemIds);
 
-            var tasks = newItems.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
+            var tasks = newItems.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders, resetResolveArgs: false));
 
             var results = await Task.WhenAll(tasks).ConfigureAwait(false);
 

+ 1 - 8
MediaBrowser.Controller/Kernel.cs

@@ -1,5 +1,4 @@
-using MediaBrowser.Controller.Drawing;
-using MediaBrowser.Controller.MediaInfo;
+using MediaBrowser.Controller.MediaInfo;
 
 namespace MediaBrowser.Controller
 {
@@ -14,12 +13,6 @@ namespace MediaBrowser.Controller
         /// <value>The instance.</value>
         public static Kernel Instance { get; private set; }
 
-        /// <summary>
-        /// Gets the image manager.
-        /// </summary>
-        /// <value>The image manager.</value>
-        public ImageManager ImageManager { get; set; }
-
         /// <summary>
         /// Gets the FFMPEG controller.
         /// </summary>

+ 1 - 2
MediaBrowser.Controller/MediaBrowser.Controller.csproj

@@ -71,6 +71,7 @@
     <Compile Include="..\SharedVersion.cs">
       <Link>Properties\SharedVersion.cs</Link>
     </Compile>
+    <Compile Include="Drawing\IImageProcessor.cs" />
     <Compile Include="Dto\IDtoService.cs" />
     <Compile Include="Entities\AdultVideo.cs" />
     <Compile Include="Entities\Audio\IHasAlbumArtist.cs" />
@@ -95,8 +96,6 @@
     <Compile Include="Providers\IDynamicInfoProvider.cs" />
     <Compile Include="Session\ISessionManager.cs" />
     <Compile Include="Drawing\ImageExtensions.cs" />
-    <Compile Include="Drawing\ImageHeader.cs" />
-    <Compile Include="Drawing\ImageManager.cs" />
     <Compile Include="Entities\AggregateFolder.cs" />
     <Compile Include="Entities\Audio\Artist.cs" />
     <Compile Include="Entities\Audio\Audio.cs" />

+ 1 - 1
MediaBrowser.Controller/Drawing/ImageHeader.cs → MediaBrowser.Server.Implementations/Drawing/ImageHeader.cs

@@ -5,7 +5,7 @@ using System.Drawing;
 using System.IO;
 using System.Linq;
 
-namespace MediaBrowser.Controller.Drawing
+namespace MediaBrowser.Server.Implementations.Drawing
 {
     /// <summary>
     /// Taken from http://stackoverflow.com/questions/111345/getting-image-dimensions-without-reading-the-entire-file/111349

+ 254 - 307
MediaBrowser.Controller/Drawing/ImageManager.cs → MediaBrowser.Server.Implementations/Drawing/ImageProcessor.cs

@@ -1,108 +1,79 @@
-using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.IO;
-using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Entities.TV;
-using MediaBrowser.Controller.Persistence;
-using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.Drawing;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Logging;
-using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
 using System.Globalization;
-using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Drawing;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Drawing;
+using System;
+using System.Collections.Concurrent;
+using System.IO;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Logging;
 
-namespace MediaBrowser.Controller.Drawing
+namespace MediaBrowser.Server.Implementations.Drawing
 {
     /// <summary>
-    /// Class ImageManager
+    /// Class ImageProcessor
     /// </summary>
-    public class ImageManager
+    public class ImageProcessor : IImageProcessor
     {
         /// <summary>
-        /// Gets the list of currently registered image processors
-        /// Image processors are specialized metadata providers that run after the normal ones
-        /// </summary>
-        /// <value>The image enhancers.</value>
-        public IEnumerable<IImageEnhancer> ImageEnhancers { get; set; }
-
-        /// <summary>
-        /// Gets the image size cache.
+        /// The us culture
         /// </summary>
-        /// <value>The image size cache.</value>
-        private FileSystemRepository ImageSizeCache { get; set; }
-
-        /// <summary>
-        /// Gets or sets the resized image cache.
-        /// </summary>
-        /// <value>The resized image cache.</value>
-        private FileSystemRepository ResizedImageCache { get; set; }
-        /// <summary>
-        /// Gets the cropped image cache.
-        /// </summary>
-        /// <value>The cropped image cache.</value>
-        private FileSystemRepository CroppedImageCache { get; set; }
+        protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
 
         /// <summary>
-        /// Gets the cropped image cache.
+        /// The _cached imaged sizes
         /// </summary>
-        /// <value>The cropped image cache.</value>
-        private FileSystemRepository EnhancedImageCache { get; set; }
+        private readonly ConcurrentDictionary<string, ImageSize> _cachedImagedSizes = new ConcurrentDictionary<string, ImageSize>();
 
         /// <summary>
-        /// The cached imaged sizes
+        /// Gets the list of currently registered image processors
+        /// Image processors are specialized metadata providers that run after the normal ones
         /// </summary>
-        private readonly ConcurrentDictionary<string, ImageSize> _cachedImagedSizes = new ConcurrentDictionary<string, ImageSize>();
+        /// <value>The image enhancers.</value>
+        public IEnumerable<IImageEnhancer> ImageEnhancers { get; private set; }
 
         /// <summary>
         /// The _logger
         /// </summary>
         private readonly ILogger _logger;
-
-        private readonly IItemRepository _itemRepo;
-
         /// <summary>
-        /// Initializes a new instance of the <see cref="ImageManager" /> class.
+        /// The _app paths
         /// </summary>
-        /// <param name="logger">The logger.</param>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="itemRepo">The item repo.</param>
-        public ImageManager(ILogger logger, IServerApplicationPaths appPaths, IItemRepository itemRepo)
+        private readonly IServerApplicationPaths _appPaths;
+
+        private readonly string _imageSizeCachePath;
+        private readonly string _croppedWhitespaceImageCachePath;
+        private readonly string _enhancedImageCachePath;
+        private readonly string _resizedImageCachePath;
+
+        public ImageProcessor(ILogger logger, IServerApplicationPaths appPaths)
         {
             _logger = logger;
-            _itemRepo = itemRepo;
+            _appPaths = appPaths;
 
-            ImageSizeCache = new FileSystemRepository(Path.Combine(appPaths.ImageCachePath, "image-sizes"));
-            ResizedImageCache = new FileSystemRepository(Path.Combine(appPaths.ImageCachePath, "resized-images"));
-            CroppedImageCache = new FileSystemRepository(Path.Combine(appPaths.ImageCachePath, "cropped-images"));
-            EnhancedImageCache = new FileSystemRepository(Path.Combine(appPaths.ImageCachePath, "enhanced-images"));
+            _imageSizeCachePath = Path.Combine(_appPaths.ImageCachePath, "image-sizes");
+            _croppedWhitespaceImageCachePath = Path.Combine(_appPaths.ImageCachePath, "cropped-images");
+            _enhancedImageCachePath = Path.Combine(_appPaths.ImageCachePath, "enhanced-images");
+            _resizedImageCachePath = Path.Combine(_appPaths.ImageCachePath, "resized-images");
+        }
+
+        public void AddParts(IEnumerable<IImageEnhancer> enhancers)
+        {
+            ImageEnhancers = enhancers.ToArray();
         }
 
-        /// <summary>
-        /// Processes an image by resizing to target dimensions
-        /// </summary>
-        /// <param name="entity">The entity that owns the image</param>
-        /// <param name="imageType">The image type</param>
-        /// <param name="imageIndex">The image index (currently only used with backdrops)</param>
-        /// <param name="originalImagePath">The original image path.</param>
-        /// <param name="cropWhitespace">if set to <c>true</c> [crop whitespace].</param>
-        /// <param name="dateModified">The last date modified of the original image file</param>
-        /// <param name="toStream">The stream to save the new image to</param>
-        /// <param name="width">Use if a fixed width is required. Aspect ratio will be preserved.</param>
-        /// <param name="height">Use if a fixed height is required. Aspect ratio will be preserved.</param>
-        /// <param name="maxWidth">Use if a max width is required. Aspect ratio will be preserved.</param>
-        /// <param name="maxHeight">Use if a max height is required. Aspect ratio will be preserved.</param>
-        /// <param name="quality">Quality level, from 0-100. Currently only applies to JPG. The default value should suffice.</param>
-        /// <param name="enhancers">The enhancers.</param>
-        /// <returns>Task.</returns>
-        /// <exception cref="System.ArgumentNullException">entity</exception>
         public async Task ProcessImage(BaseItem entity, ImageType imageType, int imageIndex, string originalImagePath, bool cropWhitespace, DateTime dateModified, Stream toStream, int? width, int? height, int? maxWidth, int? maxHeight, int? quality, List<IImageEnhancer> enhancers)
         {
             if (entity == null)
@@ -117,7 +88,7 @@ namespace MediaBrowser.Controller.Drawing
 
             if (cropWhitespace)
             {
-                originalImagePath = await GetCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
+                originalImagePath = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
             }
 
             // No enhancement - don't cache
@@ -246,6 +217,76 @@ namespace MediaBrowser.Controller.Drawing
             }
         }
 
+        /// <summary>
+        /// Crops whitespace from an image, caches the result, and returns the cached path
+        /// </summary>
+        /// <param name="originalImagePath">The original image path.</param>
+        /// <param name="dateModified">The date modified.</param>
+        /// <returns>System.String.</returns>
+        private async Task<string> GetWhitespaceCroppedImage(string originalImagePath, DateTime dateModified)
+        {
+            var name = originalImagePath;
+            name += "datemodified=" + dateModified.Ticks;
+
+            var croppedImagePath = GetCachePath(_croppedWhitespaceImageCachePath, name, Path.GetExtension(originalImagePath));
+
+            var semaphore = GetLock(croppedImagePath);
+
+            await semaphore.WaitAsync().ConfigureAwait(false);
+
+            // Check again in case of contention
+            if (File.Exists(croppedImagePath))
+            {
+                semaphore.Release();
+                return croppedImagePath;
+            }
+
+            try
+            {
+                using (var fileStream = new FileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, true))
+                {
+                    // Copy to memory stream to avoid Image locking file
+                    using (var memoryStream = new MemoryStream())
+                    {
+                        await fileStream.CopyToAsync(memoryStream).ConfigureAwait(false);
+
+                        using (var originalImage = (Bitmap)Image.FromStream(memoryStream, true, false))
+                        {
+                            var outputFormat = originalImage.RawFormat;
+
+                            using (var croppedImage = originalImage.CropWhitespace())
+                            {
+                                var parentPath = Path.GetDirectoryName(croppedImagePath);
+
+                                if (!Directory.Exists(parentPath))
+                                {
+                                    Directory.CreateDirectory(parentPath);
+                                }
+
+                                using (var outputStream = new FileStream(croppedImagePath, FileMode.Create, FileAccess.Write, FileShare.Read))
+                                {
+                                    croppedImage.Save(outputFormat, outputStream, 100);
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                // We have to have a catch-all here because some of the .net image methods throw a plain old Exception
+                _logger.ErrorException("Error cropping image {0}", ex, originalImagePath);
+
+                return originalImagePath;
+            }
+            finally
+            {
+                semaphore.Release();
+            }
+
+            return croppedImagePath;
+        }
+
         /// <summary>
         /// Caches the resized image.
         /// </summary>
@@ -288,31 +329,40 @@ namespace MediaBrowser.Controller.Drawing
 
             filename += "datemodified=" + dateModified.Ticks;
 
-            return ResizedImageCache.GetResourcePath(filename, Path.GetExtension(originalPath));
+            return GetCachePath(_resizedImageCachePath, filename, Path.GetExtension(originalPath));
         }
 
+        /// <summary>
+        /// Gets the size of the image.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns>ImageSize.</returns>
+        public ImageSize GetImageSize(string path)
+        {
+            return GetImageSize(path, File.GetLastWriteTimeUtc(path));
+        }
 
         /// <summary>
-        /// Gets image dimensions
+        /// Gets the size of the image.
         /// </summary>
-        /// <param name="imagePath">The image path.</param>
-        /// <param name="dateModified">The date modified.</param>
-        /// <returns>Task{ImageSize}.</returns>
-        /// <exception cref="System.ArgumentNullException">imagePath</exception>
-        public ImageSize GetImageSize(string imagePath, DateTime dateModified)
+        /// <param name="path">The path.</param>
+        /// <param name="imageDateModified">The image date modified.</param>
+        /// <returns>ImageSize.</returns>
+        /// <exception cref="System.ArgumentNullException">path</exception>
+        public ImageSize GetImageSize(string path, DateTime imageDateModified)
         {
-            if (string.IsNullOrEmpty(imagePath))
+            if (string.IsNullOrEmpty(path))
             {
-                throw new ArgumentNullException("imagePath");
+                throw new ArgumentNullException("path");
             }
 
-            var name = imagePath + "datemodified=" + dateModified.Ticks;
+            var name = path + "datemodified=" + imageDateModified.Ticks;
 
             ImageSize size;
 
             if (!_cachedImagedSizes.TryGetValue(name, out size))
             {
-                size = GetImageSize(name, imagePath);
+                size = GetImageSizeInternal(name, path);
 
                 _cachedImagedSizes.AddOrUpdate(name, size, (keyName, oldValue) => size);
             }
@@ -320,18 +370,16 @@ namespace MediaBrowser.Controller.Drawing
             return size;
         }
 
-        protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
         /// <summary>
-        /// Gets the size of the image.
+        /// Gets the image size internal.
         /// </summary>
-        /// <param name="keyName">Name of the key.</param>
-        /// <param name="imagePath">The image path.</param>
+        /// <param name="cacheKey">The cache key.</param>
+        /// <param name="path">The path.</param>
         /// <returns>ImageSize.</returns>
-        private ImageSize GetImageSize(string keyName, string imagePath)
+        private ImageSize GetImageSizeInternal(string cacheKey, string path)
         {
             // Now check the file system cache
-            var fullCachePath = ImageSizeCache.GetResourcePath(keyName, ".txt");
+            var fullCachePath = GetCachePath(_imageSizeCachePath, cacheKey, ".txt");
 
             try
             {
@@ -366,7 +414,7 @@ namespace MediaBrowser.Controller.Drawing
                     // Cache file doesn't exist no biggie
                 }
 
-                var size = ImageHeader.GetDimensions(imagePath, _logger);
+                var size = ImageHeader.GetDimensions(path, _logger);
 
                 var parentPath = Path.GetDirectoryName(fullCachePath);
 
@@ -383,173 +431,64 @@ namespace MediaBrowser.Controller.Drawing
         }
 
         /// <summary>
-        /// Gets the image path.
+        /// Gets the image cache tag.
         /// </summary>
         /// <param name="item">The item.</param>
         /// <param name="imageType">Type of the image.</param>
-        /// <param name="imageIndex">Index of the image.</param>
-        /// <returns>System.String.</returns>
+        /// <param name="imagePath">The image path.</param>
+        /// <returns>Guid.</returns>
         /// <exception cref="System.ArgumentNullException">item</exception>
-        /// <exception cref="System.InvalidOperationException"></exception>
-        public string GetImagePath(BaseItem item, ImageType imageType, int imageIndex)
+        public Guid GetImageCacheTag(BaseItem item, ImageType imageType, string imagePath)
         {
             if (item == null)
             {
                 throw new ArgumentNullException("item");
             }
 
-            if (imageType == ImageType.Backdrop)
+            if (string.IsNullOrEmpty(imagePath))
             {
-                if (item.BackdropImagePaths == null)
-                {
-                    throw new InvalidOperationException(string.Format("Item {0} does not have any Backdrops.", item.Name));
-                }
-
-                return item.BackdropImagePaths[imageIndex];
+                throw new ArgumentNullException("imagePath");
             }
 
-            if (imageType == ImageType.Screenshot)
-            {
-                if (item.ScreenshotImagePaths == null)
-                {
-                    throw new InvalidOperationException(string.Format("Item {0} does not have any Screenshots.", item.Name));
-                }
+            var dateModified = item.GetImageDateModified(imagePath);
 
-                return item.ScreenshotImagePaths[imageIndex];
-            }
-
-            if (imageType == ImageType.Chapter)
-            {
-                return _itemRepo.GetChapter(item.Id, imageIndex).ImagePath;
-            }
+            var supportedEnhancers = GetSupportedEnhancers(item, imageType).ToList();
 
-            return item.GetImage(imageType);
+            return GetImageCacheTag(item, imageType, imagePath, dateModified, supportedEnhancers);
         }
 
         /// <summary>
-        /// Gets the image date modified.
+        /// Gets the image cache tag.
         /// </summary>
         /// <param name="item">The item.</param>
         /// <param name="imageType">Type of the image.</param>
-        /// <param name="imageIndex">Index of the image.</param>
-        /// <returns>DateTime.</returns>
-        /// <exception cref="System.ArgumentNullException">item</exception>
-        public DateTime GetImageDateModified(BaseItem item, ImageType imageType, int imageIndex)
-        {
-            if (item == null)
-            {
-                throw new ArgumentNullException("item");
-            }
-
-            var imagePath = GetImagePath(item, imageType, imageIndex);
-
-            return GetImageDateModified(item, imagePath);
-        }
-
-        /// <summary>
-        /// Gets the image date modified.
-        /// </summary>
-        /// <param name="item">The item.</param>
-        /// <param name="imagePath">The image path.</param>
-        /// <returns>DateTime.</returns>
+        /// <param name="originalImagePath">The original image path.</param>
+        /// <param name="dateModified">The date modified of the original image file.</param>
+        /// <param name="imageEnhancers">The image enhancers.</param>
+        /// <returns>Guid.</returns>
         /// <exception cref="System.ArgumentNullException">item</exception>
-        public DateTime GetImageDateModified(BaseItem item, string imagePath)
+        public Guid GetImageCacheTag(BaseItem item, ImageType imageType, string originalImagePath, DateTime dateModified, IEnumerable<IImageEnhancer> imageEnhancers)
         {
             if (item == null)
             {
                 throw new ArgumentNullException("item");
             }
 
-            if (string.IsNullOrEmpty(imagePath))
-            {
-                throw new ArgumentNullException("imagePath");
-            }
-
-            var metaFileEntry = item.ResolveArgs.GetMetaFileByPath(imagePath);
-
-            // If we didn't the metafile entry, check the Season
-            if (metaFileEntry == null)
-            {
-                var episode = item as Episode;
-
-                if (episode != null && episode.Season != null)
-                {
-                    episode.Season.ResolveArgs.GetMetaFileByPath(imagePath);
-                }
-            }
-
-            // See if we can avoid a file system lookup by looking for the file in ResolveArgs
-            return metaFileEntry == null ? File.GetLastWriteTimeUtc(imagePath) : metaFileEntry.LastWriteTimeUtc;
-        }
-
-        /// <summary>
-        /// Crops whitespace from an image, caches the result, and returns the cached path
-        /// </summary>
-        /// <param name="originalImagePath">The original image path.</param>
-        /// <param name="dateModified">The date modified.</param>
-        /// <returns>System.String.</returns>
-        private async Task<string> GetCroppedImage(string originalImagePath, DateTime dateModified)
-        {
-            var name = originalImagePath;
-            name += "datemodified=" + dateModified.Ticks;
-
-            var croppedImagePath = CroppedImageCache.GetResourcePath(name, Path.GetExtension(originalImagePath));
-
-            var semaphore = GetLock(croppedImagePath);
-
-            await semaphore.WaitAsync().ConfigureAwait(false);
-
-            // Check again in case of contention
-            if (File.Exists(croppedImagePath))
+            if (imageEnhancers == null)
             {
-                semaphore.Release();
-                return croppedImagePath;
+                throw new ArgumentNullException("imageEnhancers");
             }
 
-            try
+            if (string.IsNullOrEmpty(originalImagePath))
             {
-                using (var fileStream = new FileStream(originalImagePath, FileMode.Open, FileAccess.Read, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, true))
-                {
-                    // Copy to memory stream to avoid Image locking file
-                    using (var memoryStream = new MemoryStream())
-                    {
-                        await fileStream.CopyToAsync(memoryStream).ConfigureAwait(false);
-
-                        using (var originalImage = (Bitmap)Image.FromStream(memoryStream, true, false))
-                        {
-                            var outputFormat = originalImage.RawFormat;
-
-                            using (var croppedImage = originalImage.CropWhitespace())
-                            {
-                                var parentPath = Path.GetDirectoryName(croppedImagePath);
-
-                                if (!Directory.Exists(parentPath))
-                                {
-                                    Directory.CreateDirectory(parentPath);
-                                }
-
-                                using (var outputStream = new FileStream(croppedImagePath, FileMode.Create, FileAccess.Write, FileShare.Read))
-                                {
-                                    croppedImage.Save(outputFormat, outputStream, 100);
-                                }
-                            }
-                        }
-                    }
-                }
+                throw new ArgumentNullException("originalImagePath");
             }
-            catch (Exception ex)
-            {
-                // We have to have a catch-all here because some of the .net image methods throw a plain old Exception
-                _logger.ErrorException("Error cropping image {0}", ex, originalImagePath);
 
-                return originalImagePath;
-            }
-            finally
-            {
-                semaphore.Release();
-            }
+            // Cache name is created with supported enhancers combined with the last config change so we pick up new config changes
+            var cacheKeys = imageEnhancers.Select(i => i.GetConfigurationCacheKey(item, imageType)).ToList();
+            cacheKeys.Add(originalImagePath + dateModified.Ticks);
 
-            return croppedImagePath;
+            return string.Join("|", cacheKeys.ToArray()).GetMD5();
         }
 
         /// <summary>
@@ -610,10 +549,10 @@ namespace MediaBrowser.Controller.Drawing
                 throw new ArgumentNullException("item");
             }
 
-            var cacheGuid = GetImageCacheTag(originalImagePath, dateModified, supportedEnhancers, item, imageType);
+            var cacheGuid = GetImageCacheTag(item, imageType, originalImagePath, dateModified, supportedEnhancers);
 
             // All enhanced images are saved as png to allow transparency
-            var enhancedImagePath = EnhancedImageCache.GetResourcePath(cacheGuid + ".png");
+            var enhancedImagePath = GetCachePath(_enhancedImageCachePath, cacheGuid + ".png");
 
             var semaphore = GetLock(enhancedImagePath);
 
@@ -665,80 +604,6 @@ namespace MediaBrowser.Controller.Drawing
             return enhancedImagePath;
         }
 
-        /// <summary>
-        /// Gets the image cache tag.
-        /// </summary>
-        /// <param name="item">The item.</param>
-        /// <param name="imageType">Type of the image.</param>
-        /// <param name="imagePath">The image path.</param>
-        /// <returns>Guid.</returns>
-        /// <exception cref="System.ArgumentNullException">item</exception>
-        public Guid GetImageCacheTag(BaseItem item, ImageType imageType, string imagePath)
-        {
-            if (item == null)
-            {
-                throw new ArgumentNullException("item");
-            }
-
-            if (string.IsNullOrEmpty(imagePath))
-            {
-                throw new ArgumentNullException("imagePath");
-            }
-
-            var dateModified = GetImageDateModified(item, imagePath);
-
-            var supportedEnhancers = ImageEnhancers.Where(i =>
-            {
-                try
-                {
-                    return i.Supports(item, imageType);
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error in image enhancer: {0}", ex, i.GetType().Name);
-
-                    return false;
-                }
-
-            }).ToList();
-
-            return GetImageCacheTag(imagePath, dateModified, supportedEnhancers, item, imageType);
-        }
-
-        /// <summary>
-        /// Gets the image cache tag.
-        /// </summary>
-        /// <param name="originalImagePath">The original image path.</param>
-        /// <param name="dateModified">The date modified of the original image file.</param>
-        /// <param name="imageEnhancers">The image enhancers.</param>
-        /// <param name="item">The item.</param>
-        /// <param name="imageType">Type of the image.</param>
-        /// <returns>Guid.</returns>
-        /// <exception cref="System.ArgumentNullException">item</exception>
-        public Guid GetImageCacheTag(string originalImagePath, DateTime dateModified, IEnumerable<IImageEnhancer> imageEnhancers, BaseItem item, ImageType imageType)
-        {
-            if (item == null)
-            {
-                throw new ArgumentNullException("item");
-            }
-
-            if (imageEnhancers == null)
-            {
-                throw new ArgumentNullException("imageEnhancers");
-            }
-
-            if (string.IsNullOrEmpty(originalImagePath))
-            {
-                throw new ArgumentNullException("originalImagePath");
-            }
-
-            // Cache name is created with supported enhancers combined with the last config change so we pick up new config changes
-            var cacheKeys = imageEnhancers.Select(i => i.GetConfigurationCacheKey(item, imageType)).ToList();
-            cacheKeys.Add(originalImagePath + dateModified.Ticks);
-
-            return string.Join("|", cacheKeys.ToArray()).GetMD5();
-        }
-
         /// <summary>
         /// Executes the image enhancers.
         /// </summary>
@@ -775,31 +640,113 @@ namespace MediaBrowser.Controller.Drawing
         /// <summary>
         /// The _semaphoreLocks
         /// </summary>
-        private readonly ConcurrentDictionary<string, SemaphoreSlim> _semaphoreLocks = new ConcurrentDictionary<string, SemaphoreSlim>();
+        private readonly ConcurrentDictionary<string, object> _locks = new ConcurrentDictionary<string, object>();
 
         /// <summary>
         /// Gets the lock.
         /// </summary>
         /// <param name="filename">The filename.</param>
         /// <returns>System.Object.</returns>
-        private SemaphoreSlim GetLock(string filename)
+        private object GetObjectLock(string filename)
         {
-            return _semaphoreLocks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1));
+            return _locks.GetOrAdd(filename, key => new object());
         }
 
         /// <summary>
         /// The _semaphoreLocks
         /// </summary>
-        private readonly ConcurrentDictionary<string, object> _locks = new ConcurrentDictionary<string, object>();
+        private readonly ConcurrentDictionary<string, SemaphoreSlim> _semaphoreLocks = new ConcurrentDictionary<string, SemaphoreSlim>();
 
         /// <summary>
         /// Gets the lock.
         /// </summary>
         /// <param name="filename">The filename.</param>
         /// <returns>System.Object.</returns>
-        private object GetObjectLock(string filename)
+        private SemaphoreSlim GetLock(string filename)
         {
-            return _locks.GetOrAdd(filename, key => new object());
+            return _semaphoreLocks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1));
+        }
+
+        /// <summary>
+        /// Gets the cache path.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="uniqueName">Name of the unique.</param>
+        /// <param name="fileExtension">The file extension.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.ArgumentNullException">
+        /// path
+        /// or
+        /// uniqueName
+        /// or
+        /// fileExtension
+        /// </exception>
+        public string GetCachePath(string path, string uniqueName, string fileExtension)
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                throw new ArgumentNullException("path");
+            }
+            if (string.IsNullOrEmpty(uniqueName))
+            {
+                throw new ArgumentNullException("uniqueName");
+            }
+
+            if (string.IsNullOrEmpty(fileExtension))
+            {
+                throw new ArgumentNullException("fileExtension");
+            }
+
+            var filename = uniqueName.GetMD5() + fileExtension;
+
+            return GetCachePath(path, filename);
+        }
+
+        /// <summary>
+        /// Gets the cache path.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="filename">The filename.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.ArgumentNullException">
+        /// path
+        /// or
+        /// filename
+        /// </exception>
+        public string GetCachePath(string path, string filename)
+        {
+            if (string.IsNullOrEmpty(path))
+            {
+                throw new ArgumentNullException("path");
+            }
+            if (string.IsNullOrEmpty(filename))
+            {
+                throw new ArgumentNullException("filename");
+            }
+
+            var prefix = filename.Substring(0, 1);
+
+            path = Path.Combine(path, prefix);
+
+            return Path.Combine(path, filename);
+        }
+
+        public IEnumerable<IImageEnhancer> GetSupportedEnhancers(BaseItem item, ImageType imageType)
+        {
+            return ImageEnhancers.Where(i =>
+            {
+                try
+                {
+                    return i.Supports(item as BaseItem, imageType);
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error in image enhancer: {0}", ex, i.GetType().Name);
+
+                    return false;
+                }
+
+            }).ToList();
         }
     }
 }

+ 10 - 22
MediaBrowser.Server.Implementations/Dto/DtoService.cs

@@ -1,5 +1,5 @@
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Controller;
+using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
@@ -30,13 +30,16 @@ namespace MediaBrowser.Server.Implementations.Dto
         private readonly IUserDataRepository _userDataRepository;
         private readonly IItemRepository _itemRepo;
 
-        public DtoService(ILogger logger, ILibraryManager libraryManager, IUserManager userManager, IUserDataRepository userDataRepository, IItemRepository itemRepo)
+        private readonly IImageProcessor _imageProcessor;
+        
+        public DtoService(ILogger logger, ILibraryManager libraryManager, IUserManager userManager, IUserDataRepository userDataRepository, IItemRepository itemRepo, IImageProcessor imageProcessor)
         {
             _logger = logger;
             _libraryManager = libraryManager;
             _userManager = userManager;
             _userDataRepository = userDataRepository;
             _itemRepo = itemRepo;
+            _imageProcessor = imageProcessor;
         }
 
         /// <summary>
@@ -209,7 +212,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             if (!string.IsNullOrEmpty(image))
             {
-                dto.PrimaryImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(user, ImageType.Primary, image);
+                dto.PrimaryImageTag = _imageProcessor.GetImageCacheTag(user, ImageType.Primary, image);
 
                 try
                 {
@@ -288,7 +291,7 @@ namespace MediaBrowser.Server.Implementations.Dto
             {
                 try
                 {
-                    info.PrimaryImageTag = Kernel.Instance.ImageManager.GetImageCacheTag(item, ImageType.Primary, imagePath);
+                    info.PrimaryImageTag = _imageProcessor.GetImageCacheTag(item, ImageType.Primary, imagePath);
                 }
                 catch (IOException)
                 {
@@ -409,7 +412,7 @@ namespace MediaBrowser.Server.Implementations.Dto
         {
             try
             {
-                return Kernel.Instance.ImageManager.GetImageCacheTag(item, type, path);
+                return _imageProcessor.GetImageCacheTag(item, type, path);
             }
             catch (IOException ex)
             {
@@ -1154,7 +1157,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             try
             {
-                size = Kernel.Instance.ImageManager.GetImageSize(path, dateModified);
+                size = _imageProcessor.GetImageSize(path, dateModified);
             }
             catch (FileNotFoundException)
             {
@@ -1169,21 +1172,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             dto.OriginalPrimaryImageAspectRatio = size.Width / size.Height;
 
-            var supportedEnhancers = Kernel.Instance.ImageManager.ImageEnhancers.Where(i =>
-            {
-                try
-                {
-                    return i.Supports(item, ImageType.Primary);
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error in image enhancer: {0}", ex, i.GetType().Name);
-
-                    return false;
-                }
-
-            }).ToList();
-
+            var supportedEnhancers = _imageProcessor.GetSupportedEnhancers(item, ImageType.Primary).ToList();
 
             foreach (var enhancer in supportedEnhancers)
             {
@@ -1199,6 +1188,5 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             dto.PrimaryImageAspectRatio = size.Width / size.Height;
         }
-
     }
 }

+ 3 - 0
MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj

@@ -91,6 +91,7 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\System.Data.SQLite.x86.1.0.88.0\lib\net45\System.Data.SQLite.Linq.dll</HintPath>
     </Reference>
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Reactive.Core">
       <HintPath>..\packages\Rx-Core.2.1.30214.0\lib\Net45\System.Reactive.Core.dll</HintPath>
     </Reference>
@@ -112,6 +113,7 @@
     </Compile>
     <Compile Include="BdInfo\BdInfoExaminer.cs" />
     <Compile Include="Configuration\ServerConfigurationManager.cs" />
+    <Compile Include="Drawing\ImageHeader.cs" />
     <Compile Include="Dto\DtoService.cs" />
     <Compile Include="EntryPoints\LibraryChangedNotifier.cs" />
     <Compile Include="EntryPoints\LoadRegistrations.cs" />
@@ -128,6 +130,7 @@
     <Compile Include="HttpServer\ServerLogger.cs" />
     <Compile Include="HttpServer\StreamWriter.cs" />
     <Compile Include="HttpServer\SwaggerService.cs" />
+    <Compile Include="Drawing\ImageProcessor.cs" />
     <Compile Include="IO\DirectoryWatchers.cs" />
     <Compile Include="Library\CoreResolutionIgnoreRule.cs" />
     <Compile Include="Library\LibraryManager.cs" />

+ 8 - 4
MediaBrowser.ServerApplication/ApplicationHost.cs

@@ -34,6 +34,7 @@ using MediaBrowser.Providers;
 using MediaBrowser.Server.Implementations;
 using MediaBrowser.Server.Implementations.BdInfo;
 using MediaBrowser.Server.Implementations.Configuration;
+using MediaBrowser.Server.Implementations.Drawing;
 using MediaBrowser.Server.Implementations.Dto;
 using MediaBrowser.Server.Implementations.HttpServer;
 using MediaBrowser.Server.Implementations.IO;
@@ -160,6 +161,7 @@ namespace MediaBrowser.ServerApplication
         /// <value>The HTTP server.</value>
         private IHttpServer HttpServer { get; set; }
         private IDtoService DtoService { get; set; }
+        private IImageProcessor ImageProcessor { get; set; }
 
         /// <summary>
         /// Gets or sets the media encoder.
@@ -295,7 +297,10 @@ namespace MediaBrowser.ServerApplication
             LocalizationManager = new LocalizationManager(ServerConfigurationManager);
             RegisterSingleInstance(LocalizationManager);
 
-            DtoService = new DtoService(Logger, LibraryManager, UserManager, UserDataRepository, ItemRepository);
+            ImageProcessor = new ImageProcessor(Logger, ServerConfigurationManager.ApplicationPaths);
+            RegisterSingleInstance(ImageProcessor);
+
+            DtoService = new DtoService(Logger, LibraryManager, UserManager, UserDataRepository, ItemRepository, ImageProcessor);
             RegisterSingleInstance(DtoService);
 
             var displayPreferencesTask = Task.Run(async () => await ConfigureDisplayPreferencesRepositories().ConfigureAwait(false));
@@ -314,11 +319,8 @@ namespace MediaBrowser.ServerApplication
         /// </summary>
         private void SetKernelProperties()
         {
-            ServerKernel.ImageManager = new ImageManager(LogManager.GetLogger("ImageManager"),
-                                                         ApplicationPaths, ItemRepository);
             Parallel.Invoke(
                  () => ServerKernel.FFMpegManager = new FFMpegManager(ApplicationPaths, MediaEncoder, Logger, ItemRepository),
-                 () => ServerKernel.ImageManager.ImageEnhancers = GetExports<IImageEnhancer>().OrderBy(e => e.Priority).ToArray(),
                  () => LocalizedStrings.StringFiles = GetExports<LocalizedStringData>(),
                  SetStaticProperties
                  );
@@ -461,6 +463,8 @@ namespace MediaBrowser.ServerApplication
             ProviderManager.AddParts(GetExports<BaseMetadataProvider>().ToArray());
 
             IsoManager.AddParts(GetExports<IIsoMounter>().ToArray());
+
+            ImageProcessor.AddParts(GetExports<IImageEnhancer>().ToArray());
         }
 
         /// <summary>