dlna genre images

MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj

@@ -219,7 +219,7 @@
     <Compile Include="LiveTv\RefreshChannelsScheduledTask.cs" />
     <Compile Include="Localization\LocalizationManager.cs" />
     <Compile Include="MediaEncoder\EncodingManager.cs" />
-    <Compile Include="Music\MusicDynamicImageProvider.cs" />
+    <Compile Include="Photos\DynamicImageProvider.cs" />
     <Compile Include="News\NewsEntryPoint.cs" />
     <Compile Include="News\NewsService.cs" />
     <Compile Include="Notifications\CoreNotificationTypes.cs" />

MediaBrowser.Server.Implementations/Photos/BaseDynamicImageProvider.cs

@@ -6,8 +6,6 @@ using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
 using System;
 using System.Collections.Generic;
-using System.Drawing;
-using System.Drawing.Imaging;
 using System.Globalization;
 using System.IO;
 using System.Linq;
@@ -74,36 +72,48 @@ namespace MediaBrowser.Server.Implementations.Photos
             MetadataRefreshOptions options, 
             CancellationToken cancellationToken)
         {
-            var img = await CreateImageAsync(item, itemsWithImages, imageType, 0).ConfigureAwait(false);
+            var stream = await CreateImageAsync(item, itemsWithImages, imageType, 0).ConfigureAwait(false);
 
-            if (img == null)
+            if (stream == null)
             {
                 return ItemUpdateType.None;
             }
 
-            using (var ms = new MemoryStream())
+            if (stream is MemoryStream)
             {
-                img.Save(ms, ImageFormat.Png);
+                using (stream)
+                {
+                    stream.Position = 0;
 
-                ms.Position = 0;
+                    await ProviderManager.SaveImage(item, stream, "image/png", imageType, null, cacheKey, cancellationToken).ConfigureAwait(false);
+                }
+            }
+            else
+            {
+                using (var ms = new MemoryStream())
+                {
+                    await stream.CopyToAsync(ms).ConfigureAwait(false);
+
+                    ms.Position = 0;
 
-                await ProviderManager.SaveImage(item, ms, "image/png", imageType, null, cacheKey, cancellationToken).ConfigureAwait(false);
+                    await ProviderManager.SaveImage(item, ms, "image/png", imageType, null, cacheKey, cancellationToken).ConfigureAwait(false);
+                }
             }
 
             return ItemUpdateType.ImageUpdate;
         }
 
-        protected Task<Image> GetThumbCollage(List<BaseItem> items)
+        protected Task<Stream> GetThumbCollage(List<BaseItem> items)
         {
-            return DynamicImageHelpers.GetThumbCollage(items.Select(i => i.GetImagePath(ImageType.Primary)).ToList(),
+            return DynamicImageHelpers.GetThumbCollage(items.Select(i => i.GetImagePath(ImageType.Primary) ?? i.GetImagePath(ImageType.Thumb)).ToList(),
                 FileSystem,
                 1600,
                 900);
         }
 
-        protected Task<Image> GetSquareCollage(List<BaseItem> items)
+        protected Task<Stream> GetSquareCollage(List<BaseItem> items)
         {
-            return DynamicImageHelpers.GetSquareCollage(items.Select(i => i.GetImagePath(ImageType.Primary)).ToList(),
+            return DynamicImageHelpers.GetSquareCollage(items.Select(i => i.GetImagePath(ImageType.Primary) ?? i.GetImagePath(ImageType.Thumb)).ToList(),
                 FileSystem,
                 800);
         }
@@ -113,7 +123,7 @@ namespace MediaBrowser.Server.Implementations.Photos
             get { return "Dynamic Image Provider"; }
         }
 
-        public async Task<Image> CreateImageAsync(IHasImages item, 
+        public async Task<Stream> CreateImageAsync(IHasImages item, 
             List<BaseItem> itemsWithImages,
             ImageType imageType, 
             int imageIndex)

MediaBrowser.Server.Implementations/Photos/DynamicImageHelpers.cs

@@ -10,7 +10,7 @@ namespace MediaBrowser.Server.Implementations.Photos
 {
     public static class DynamicImageHelpers
     {
-        public static async Task<Image> GetThumbCollage(List<string> files,
+        public static async Task<Stream> GetThumbCollage(List<string> files,
             IFileSystem fileSystem,
             int width,
             int height)
@@ -23,8 +23,8 @@ namespace MediaBrowser.Server.Implementations.Photos
             const int rows = 1;
             const int cols = 3;
 
-             int cellWidth = 2 * (width / 3);
-             int cellHeight = height;
+            int cellWidth = 2 * (width / 3);
+            int cellHeight = height;
             var index = 0;
 
             var img = new Bitmap(width, height, PixelFormat.Format32bppPArgb);
@@ -67,10 +67,10 @@ namespace MediaBrowser.Server.Implementations.Photos
                 }
             }
 
-            return img;
+            return GetStream(img);
         }
 
-        public static async Task<Image> GetSquareCollage(List<string> files,
+        public static async Task<Stream> GetSquareCollage(List<string> files,
             IFileSystem fileSystem,
             int size)
         {
@@ -122,12 +122,23 @@ namespace MediaBrowser.Server.Implementations.Photos
                 }
             }
 
-            return img;
+            return GetStream(img);
         }
 
-        private static Task<Image> GetSingleImage(List<string> files, IFileSystem fileSystem)
+        private static Task<Stream> GetSingleImage(List<string> files, IFileSystem fileSystem)
         {
-            return GetImage(files[0], fileSystem);
+            return Task.FromResult<Stream>(fileSystem.GetFileStream(files[0], FileMode.Open, FileAccess.Read, FileShare.Read));
+        }
+
+        private static Stream GetStream(Image image)
+        {
+            var ms = new MemoryStream();
+
+            image.Save(ms, ImageFormat.Png);
+
+            ms.Position = 0;
+
+            return ms;
         }
 
         private static async Task<Image> GetImage(string file, IFileSystem fileSystem)

MediaBrowser.Server.Implementations/Photos/DynamicImageProvider.cs

@@ -4,23 +4,24 @@ using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Server.Implementations.Photos;
+using MoreLinq;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
-using MoreLinq;
 
-namespace MediaBrowser.Server.Implementations.Music
+namespace MediaBrowser.Server.Implementations.Photos
 {
     public class MusicDynamicImageProvider : BaseDynamicImageProvider<UserView>, ICustomMetadataProvider<UserView>
     {
         private readonly IUserManager _userManager;
+        private readonly ILibraryManager _libraryManager;
 
-        public MusicDynamicImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IUserManager userManager)
+        public MusicDynamicImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IUserManager userManager, ILibraryManager libraryManager)
             : base(fileSystem, providerManager)
         {
             _userManager = userManager;
+            _libraryManager = libraryManager;
         }
 
         protected override async Task<List<BaseItem>> GetItemsWithImages(IHasImages item)
@@ -32,6 +33,44 @@ namespace MediaBrowser.Server.Implementations.Music
                 return new List<BaseItem>();
             }
 
+            if (string.Equals(view.ViewType, SpecialFolder.GameGenre, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<BaseItem>();
+
+                var genre = _libraryManager.GetGameGenre(view.Name);
+
+                if (genre.HasImage(ImageType.Primary) || genre.HasImage(ImageType.Thumb))
+                {
+                    list.Add(genre);
+                }
+                return list;
+            }
+            if (string.Equals(view.ViewType, SpecialFolder.MusicGenre, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<BaseItem>();
+
+                var genre = _libraryManager.GetMusicGenre(view.Name);
+
+                if (genre.HasImage(ImageType.Primary) || genre.HasImage(ImageType.Thumb))
+                {
+                    list.Add(genre);
+                }
+                return list;
+            }
+            if (string.Equals(view.ViewType, SpecialFolder.MovieGenre, StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(view.ViewType, SpecialFolder.TvGenre, StringComparison.OrdinalIgnoreCase))
+            {
+                var list = new List<BaseItem>();
+
+                var genre = _libraryManager.GetGenre(view.Name);
+
+                if (genre.HasImage(ImageType.Primary) || genre.HasImage(ImageType.Thumb))
+                {
+                    list.Add(genre);
+                }
+                return list;
+            }
+
             var result = await view.GetItems(new InternalItemsQuery
             {
                 User = _userManager.GetUserById(view.UserId.Value)