diff --git a/Emby.Drawing/ImageProcessor.cs b/Emby.Drawing/ImageProcessor.cs
index 231bfa2b47..3e5dca9b7f 100644
--- a/Emby.Drawing/ImageProcessor.cs
+++ b/Emby.Drawing/ImageProcessor.cs
@@ -1,5 +1,4 @@
-using Emby.Drawing.Common;
-using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.IO;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Drawing;
@@ -17,6 +16,7 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Emby.Drawing.Common;
 
 namespace Emby.Drawing
 {
@@ -215,12 +215,12 @@ namespace Emby.Drawing
             {
                 CheckDisposed();
 
-                if (!File.Exists(cacheFilePath))
+                if (!_fileSystem.FileExists(cacheFilePath))
                 {
                     var newWidth = Convert.ToInt32(newSize.Width);
                     var newHeight = Convert.ToInt32(newSize.Height);
 
-                    Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
+                    _fileSystem.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
 
                     await _imageProcessingSemaphore.WaitAsync().ConfigureAwait(false);
 
@@ -270,7 +270,7 @@ namespace Emby.Drawing
             await semaphore.WaitAsync().ConfigureAwait(false);
 
             // Check again in case of contention
-            if (File.Exists(croppedImagePath))
+            if (_fileSystem.FileExists(croppedImagePath))
             {
                 semaphore.Release();
                 return GetResult(croppedImagePath);
@@ -280,7 +280,7 @@ namespace Emby.Drawing
 
             try
             {
-                Directory.CreateDirectory(Path.GetDirectoryName(croppedImagePath));
+                _fileSystem.CreateDirectory(Path.GetDirectoryName(croppedImagePath));
 
                 await _imageProcessingSemaphore.WaitAsync().ConfigureAwait(false);
                 imageProcessingLockTaken = true;
@@ -366,7 +366,7 @@ namespace Emby.Drawing
         /// <returns>ImageSize.</returns>
         public ImageSize GetImageSize(string path)
         {
-            return GetImageSize(path, File.GetLastWriteTimeUtc(path), false);
+            return GetImageSize(path, _fileSystem.GetLastWriteTimeUtc(path), false);
         }
 
         public ImageSize GetImageSize(ItemImageInfo info)
@@ -399,6 +399,8 @@ namespace Emby.Drawing
             {
                 size = GetImageSizeInternal(path, allowSlowMethod);
 
+                StartSaveImageSizeTimer();
+
                 _cachedImagedSizes.AddOrUpdate(cacheHash, size, (keyName, oldValue) => size);
             }
 
@@ -413,28 +415,26 @@ namespace Emby.Drawing
         /// <returns>ImageSize.</returns>
         private ImageSize GetImageSizeInternal(string path, bool allowSlowMethod)
         {
-            ImageSize size;
-
             try
             {
-                size = ImageHeader.GetDimensions(path, _logger, _fileSystem);
+                using (var file = TagLib.File.Create(path))
+                {
+                    var image = file as TagLib.Image.File;
+
+                    var properties = image.Properties;
+
+                    return new ImageSize
+                    {
+                        Height = properties.PhotoHeight,
+                        Width = properties.PhotoWidth
+                    };
+                }
             }
             catch
             {
-                if (!allowSlowMethod)
-                {
-                    throw;
-                }
-                //_logger.Info("Failed to read image header for {0}. Doing it the slow way.", path);
-
-                CheckDisposed();
-
-                size = _imageEncoder.GetImageSize(path);
             }
 
-            StartSaveImageSizeTimer();
-
-            return size;
+            return ImageHeader.GetDimensions(path, _logger, _fileSystem);
         }
 
         private readonly Timer _saveImageSizeTimer;
@@ -452,7 +452,7 @@ namespace Emby.Drawing
                 try
                 {
                     var path = ImageSizeFile;
-                    Directory.CreateDirectory(Path.GetDirectoryName(path));
+                    _fileSystem.CreateDirectory(Path.GetDirectoryName(path));
                     _jsonSerializer.SerializeToFile(_cachedImagedSizes, path);
                 }
                 catch (Exception ex)
@@ -624,7 +624,7 @@ namespace Emby.Drawing
             await semaphore.WaitAsync().ConfigureAwait(false);
 
             // Check again in case of contention
-            if (File.Exists(enhancedImagePath))
+            if (_fileSystem.FileExists(enhancedImagePath))
             {
                 semaphore.Release();
                 return enhancedImagePath;
@@ -634,7 +634,7 @@ namespace Emby.Drawing
 
             try
             {
-                Directory.CreateDirectory(Path.GetDirectoryName(enhancedImagePath));
+                _fileSystem.CreateDirectory(Path.GetDirectoryName(enhancedImagePath));
 
                 await _imageProcessingSemaphore.WaitAsync().ConfigureAwait(false);
 
@@ -819,4 +819,4 @@ namespace Emby.Drawing
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs b/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
index e4f00e2a08..a9a9610a97 100644
--- a/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
+++ b/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs
@@ -23,7 +23,8 @@ namespace MediaBrowser.Api.Playback.Hls
     /// </summary>
     public abstract class BaseHlsService : BaseStreamingService
     {
-        protected BaseHlsService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IDlnaManager dlnaManager, ISubtitleEncoder subtitleEncoder, IDeviceManager deviceManager, IMediaSourceManager mediaSourceManager, IZipClient zipClient, IJsonSerializer jsonSerializer) : base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, fileSystem, dlnaManager, subtitleEncoder, deviceManager, mediaSourceManager, zipClient, jsonSerializer)
+        protected BaseHlsService(IServerConfigurationManager serverConfig, IUserManager userManager, ILibraryManager libraryManager, IIsoManager isoManager, IMediaEncoder mediaEncoder, IFileSystem fileSystem, IDlnaManager dlnaManager, ISubtitleEncoder subtitleEncoder, IDeviceManager deviceManager, IMediaSourceManager mediaSourceManager, IZipClient zipClient, IJsonSerializer jsonSerializer)
+            : base(serverConfig, userManager, libraryManager, isoManager, mediaEncoder, fileSystem, dlnaManager, subtitleEncoder, deviceManager, mediaSourceManager, zipClient, jsonSerializer)
         {
         }
 
@@ -90,12 +91,12 @@ namespace MediaBrowser.Api.Playback.Hls
             TranscodingJob job = null;
             var playlist = state.OutputFilePath;
 
-            if (!File.Exists(playlist))
+            if (!FileSystem.FileExists(playlist))
             {
                 await ApiEntryPoint.Instance.TranscodingStartLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
                 try
                 {
-                    if (!File.Exists(playlist))
+                    if (!FileSystem.FileExists(playlist))
                     {
                         // If the playlist doesn't already exist, startup ffmpeg
                         try
@@ -150,7 +151,7 @@ namespace MediaBrowser.Api.Playback.Hls
             {
                 ApiEntryPoint.Instance.OnTranscodeEndRequest(job);
             }
-            
+
             return ResultFactory.GetResult(playlistText, MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary<string, string>());
         }
 
@@ -317,4 +318,4 @@ namespace MediaBrowser.Api.Playback.Hls
             return false;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
index 7b2844cd4b..cb49e65c7e 100644
--- a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
+++ b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
@@ -165,7 +165,7 @@ namespace MediaBrowser.Api.Playback.Hls
 
             TranscodingJob job = null;
 
-            if (File.Exists(segmentPath))
+            if (FileSystem.FileExists(segmentPath))
             {
                 job = ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
                 return await GetSegmentResult(state, playlistPath, segmentPath, requestedIndex, job, cancellationToken).ConfigureAwait(false);
@@ -174,7 +174,7 @@ namespace MediaBrowser.Api.Playback.Hls
             await ApiEntryPoint.Instance.TranscodingStartLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
             try
             {
-                if (File.Exists(segmentPath))
+                if (FileSystem.FileExists(segmentPath))
                 {
                     job = ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
                     return await GetSegmentResult(state, playlistPath, segmentPath, requestedIndex, job, cancellationToken).ConfigureAwait(false);
@@ -386,8 +386,7 @@ namespace MediaBrowser.Api.Playback.Hls
 
             try
             {
-                return new DirectoryInfo(folder)
-                    .EnumerateFiles("*", SearchOption.TopDirectoryOnly)
+                return fileSystem.GetFiles(folder)
                     .Where(i => string.Equals(i.Extension, segmentExtension, StringComparison.OrdinalIgnoreCase) && Path.GetFileNameWithoutExtension(i.Name).StartsWith(filePrefix, StringComparison.OrdinalIgnoreCase))
                     .OrderByDescending(fileSystem.GetLastWriteTimeUtc)
                     .FirstOrDefault();
@@ -432,7 +431,7 @@ namespace MediaBrowser.Api.Playback.Hls
             CancellationToken cancellationToken)
         {
             // If all transcoding has completed, just return immediately
-            if (transcodingJob != null && transcodingJob.HasExited && File.Exists(segmentPath))
+            if (transcodingJob != null && transcodingJob.HasExited && FileSystem.FileExists(segmentPath))
             {
                 return GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob);
             }
@@ -452,7 +451,7 @@ namespace MediaBrowser.Api.Playback.Hls
                             // If it appears in the playlist, it's done
                             if (text.IndexOf(segmentFilename, StringComparison.OrdinalIgnoreCase) != -1)
                             {
-                                if (File.Exists(segmentPath))
+                                if (FileSystem.FileExists(segmentPath))
                                 {
                                     return GetSegmentResult(state, segmentPath, segmentIndex, transcodingJob);
                                 }
@@ -989,4 +988,4 @@ namespace MediaBrowser.Api.Playback.Hls
             return base.CanStreamCopyVideo(request, videoStream);
         }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
index 4fcc71f975..6f25d4b6e6 100644
--- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs
@@ -97,6 +97,22 @@ namespace MediaBrowser.MediaEncoding.Encoder
             FFMpegPath = ffMpegPath;
         }
 
+        public void SetAvailableEncoders(List<string> list)
+        {
+
+        }
+
+        private List<string> _decoders = new List<string>();
+        public void SetAvailableDecoders(List<string> list)
+        {
+            _decoders = list.ToList();
+        }
+
+        public bool SupportsDecoder(string decoder)
+        {
+            return _decoders.Contains(decoder, StringComparer.OrdinalIgnoreCase);
+        }
+
         /// <summary>
         /// Gets the encoder path.
         /// </summary>
@@ -330,7 +346,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 EnableRaisingEvents = true
             };
 
-            _logger.Debug("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
+            _logger.Info("{0} {1}", process.StartInfo.FileName, process.StartInfo.Arguments);
 
             using (process)
             {
@@ -356,7 +372,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
                 process.WaitForExit();
 
-                _logger.Debug("Keyframe extraction took {0} seconds", (DateTime.UtcNow - start).TotalSeconds);
+                _logger.Info("Keyframe extraction took {0} seconds", (DateTime.UtcNow - start).TotalSeconds);
                 //_logger.Debug("Found keyframes {0}", string.Join(",", lines.ToArray()));
                 return lines;
             }
@@ -483,9 +499,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 }
             }
 
-            // TODO: Output in webp for smaller sizes
-            // -f image2 -f webp
-
             // Use ffmpeg to sample 100 (we can drop this if required using thumbnail=50 for 50 frames) frames and pick the best thumbnail. Have a fall back just in case.
             var args = useIFrame ? string.Format("-i {0} -threads 1 -v quiet -vframes 1 -vf \"{2},thumbnail=30\" -f image2 \"{1}\"", inputPath, "-", vf) :
                 string.Format("-i {0} -threads 1 -v quiet -vframes 1 -vf \"{2}\" -f image2 \"{1}\"", inputPath, "-", vf);
@@ -605,7 +618,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 vf += string.Format(",scale=min(iw\\,{0}):trunc(ow/dar/2)*2", maxWidthParam);
             }
 
-            Directory.CreateDirectory(targetDirectory);
+            FileSystem.CreateDirectory(targetDirectory);
             var outputPath = Path.Combine(targetDirectory, filenamePrefix + "%05d.jpg");
 
             var args = string.Format("-i {0} -threads 1 -v quiet -vf \"{2}\" -f image2 \"{1}\"", inputArgument, outputPath, vf);
@@ -879,4 +892,4 @@ namespace MediaBrowser.MediaEncoding.Encoder
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.Model/Configuration/ServerConfiguration.cs b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
index 87b5e4fd71..4ec6886117 100644
--- a/MediaBrowser.Model/Configuration/ServerConfiguration.cs
+++ b/MediaBrowser.Model/Configuration/ServerConfiguration.cs
@@ -44,12 +44,6 @@ namespace MediaBrowser.Model.Configuration
         /// <value><c>true</c> if [use HTTPS]; otherwise, <c>false</c>.</value>
         public bool EnableHttps { get; set; }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether [enable user specific user views].
-        /// </summary>
-        /// <value><c>true</c> if [enable user specific user views]; otherwise, <c>false</c>.</value>
-        public bool EnableUserSpecificUserViews { get; set; }
-
         /// <summary>
         /// Gets or sets the value pointing to the file system where the ssl certiifcate is located..
         /// </summary>
@@ -103,7 +97,13 @@ namespace MediaBrowser.Model.Configuration
         /// </summary>
         /// <value><c>true</c> if [disable startup scan]; otherwise, <c>false</c>.</value>
         public bool DisableStartupScan { get; set; }
-        
+
+        /// <summary>
+        /// Gets or sets a value indicating whether [enable user views].
+        /// </summary>
+        /// <value><c>true</c> if [enable user views]; otherwise, <c>false</c>.</value>
+        public bool EnableUserViews { get; set; }
+
         /// <summary>
         /// Gets or sets a value indicating whether [enable library metadata sub folder].
         /// </summary>
@@ -223,7 +223,7 @@ namespace MediaBrowser.Model.Configuration
         public bool EnableWindowsShortcuts { get; set; }
 
         public bool EnableVideoFrameByFrameAnalysis { get; set; }
-        
+
         /// <summary>
         /// Initializes a new instance of the <see cref="ServerConfiguration" /> class.
         /// </summary>
@@ -274,11 +274,7 @@ namespace MediaBrowser.Model.Configuration
 
             InsecureApps9 = new[]
             {
-                "Chromecast",
-                "iOS",
                 "Unknown app",
-                "iPad",
-                "iPhone",
                 "Windows Phone"
             };
 
@@ -581,4 +577,4 @@ namespace MediaBrowser.Model.Configuration
             };
         }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.Server.Implementations/Devices/DeviceManager.cs b/MediaBrowser.Server.Implementations/Devices/DeviceManager.cs
index 0173f27847..548a2222a9 100644
--- a/MediaBrowser.Server.Implementations/Devices/DeviceManager.cs
+++ b/MediaBrowser.Server.Implementations/Devices/DeviceManager.cs
@@ -157,7 +157,7 @@ namespace MediaBrowser.Server.Implementations.Devices
 
             _libraryMonitor.ReportFileSystemChangeBeginning(path);
 
-            Directory.CreateDirectory(Path.GetDirectoryName(path));
+            _fileSystem.CreateDirectory(Path.GetDirectoryName(path));
 
             try
             {
@@ -290,4 +290,4 @@ namespace MediaBrowser.Server.Implementations.Devices
             return config.GetConfiguration<DevicesOptions>("devices");
         }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs b/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs
index 63067bf5a5..8ef7e94c20 100644
--- a/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs
+++ b/MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs
@@ -15,6 +15,7 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.IO;
 
 namespace MediaBrowser.Server.Implementations.Library
 {
@@ -24,17 +25,19 @@ namespace MediaBrowser.Server.Implementations.Library
         private readonly IUserManager _userManager;
         private readonly ILibraryManager _libraryManager;
         private readonly IJsonSerializer _jsonSerializer;
+        private readonly IFileSystem _fileSystem;
 
         private IMediaSourceProvider[] _providers;
         private readonly ILogger _logger;
 
-        public MediaSourceManager(IItemRepository itemRepo, IUserManager userManager, ILibraryManager libraryManager, ILogger logger, IJsonSerializer jsonSerializer)
+        public MediaSourceManager(IItemRepository itemRepo, IUserManager userManager, ILibraryManager libraryManager, ILogger logger, IJsonSerializer jsonSerializer, IFileSystem fileSystem)
         {
             _itemRepo = itemRepo;
             _userManager = userManager;
             _libraryManager = libraryManager;
             _logger = logger;
             _jsonSerializer = jsonSerializer;
+            _fileSystem = fileSystem;
         }
 
         public void AddParts(IEnumerable<IMediaSourceProvider> providers)
@@ -170,7 +173,7 @@ namespace MediaBrowser.Server.Implementations.Library
                 if (source.Protocol == MediaProtocol.File)
                 {
                     // TODO: Path substitution
-                    if (!File.Exists(source.Path))
+                    if (!_fileSystem.FileExists(source.Path))
                     {
                         source.SupportsDirectStream = false;
                     }
@@ -582,4 +585,4 @@ namespace MediaBrowser.Server.Implementations.Library
             public MediaSourceInfo MediaSource;
         }
     }
-}
+}
\ No newline at end of file