re-organize file streaming

26 files changed, 437 insertions, 95 deletions

diff --git a/Emby.Common.Implementations/Net/NetAcceptSocket.cs b/Emby.Common.Implementations/Net/NetAcceptSocket.cs
index 731ad1b74..e21ffe553 100644
--- a/Emby.Common.Implementations/Net/NetAcceptSocket.cs
+++ b/Emby.Common.Implementations/Net/NetAcceptSocket.cs
@@ -2,6 +2,7 @@
 using System.Net;
 using System.Net.Sockets;
 using System.Threading;
+using System.Threading.Tasks;
 using Emby.Common.Implementations.Networking;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Logging;
@@ -59,7 +60,7 @@ namespace Emby.Common.Implementations.Net
 #if NET46
             Socket.Close();
 #else
-                        Socket.Dispose();
+            Socket.Dispose();
 #endif
         }
 
@@ -96,6 +97,46 @@ namespace Emby.Common.Implementations.Net
             _acceptor.StartAccept();
         }
 
+#if NET46
+        public Task SendFile(string path, byte[] preBuffer, byte[] postBuffer, CancellationToken cancellationToken)
+        {
+            var options = TransmitFileOptions.Disconnect | TransmitFileOptions.ReuseSocket | TransmitFileOptions.UseKernelApc;
+
+            var completionSource = new TaskCompletionSource<bool>();
+
+            var result = Socket.BeginSendFile(path, preBuffer, postBuffer, options, new AsyncCallback(FileSendCallback), new Tuple<Socket, string, TaskCompletionSource<bool>>(Socket, path, completionSource));
+
+            return completionSource.Task;
+        }
+
+        private void FileSendCallback(IAsyncResult ar)
+        {
+            // Retrieve the socket from the state object.
+            Tuple<Socket, string, TaskCompletionSource<bool>> data = (Tuple<Socket, string, TaskCompletionSource<bool>>)ar.AsyncState;
+
+            var client = data.Item1;
+            var path = data.Item2;
+            var taskCompletion = data.Item3;
+        
+            // Complete sending the data to the remote device.
+        try {
+            client.EndSendFile(ar);
+        taskCompletion.TrySetResult(true);
+}
+        catch(SocketException ex){
+        _logger.Info("Socket.SendFile failed for {0}. error code {1}", path, ex.SocketErrorCode);
+        taskCompletion.TrySetException(ex);
+}catch(Exception ex){
+        taskCompletion.TrySetException(ex);
+}
+        }
+#else
+        public Task SendFile(string path, byte[] preBuffer, byte[] postBuffer, CancellationToken cancellationToken)
+        {
+            throw new NotImplementedException();
+        }
+#endif
+
         public void Dispose()
         {
             Socket.Dispose();
diff --git a/Emby.Common.Implementations/Net/SocketFactory.cs b/Emby.Common.Implementations/Net/SocketFactory.cs
index 523f4da85..021613e57 100644
--- a/Emby.Common.Implementations/Net/SocketFactory.cs
+++ b/Emby.Common.Implementations/Net/SocketFactory.cs
@@ -59,6 +59,7 @@ namespace Emby.Common.Implementations.Net
             if (remotePort < 0) throw new ArgumentException("remotePort cannot be less than zero.", "remotePort");
 
             var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
+            
             try
             {
                 retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
diff --git a/Emby.Server.Core/ApplicationHost.cs b/Emby.Server.Core/ApplicationHost.cs
index 6133a3343..971378ea7 100644
--- a/Emby.Server.Core/ApplicationHost.cs
+++ b/Emby.Server.Core/ApplicationHost.cs
@@ -613,7 +613,7 @@ namespace Emby.Server.Core
             CertificatePath = GetCertificatePath(true);
             Certificate = GetCertificate(CertificatePath);
 
-            HttpServer = HttpServerFactory.CreateServer(this, LogManager, ServerConfigurationManager, NetworkManager, MemoryStreamFactory, "Emby", "web/index.html", textEncoding, SocketFactory, CryptographyProvider, JsonSerializer, XmlSerializer, EnvironmentInfo, Certificate, SupportsDualModeSockets);
+            HttpServer = HttpServerFactory.CreateServer(this, LogManager, ServerConfigurationManager, NetworkManager, MemoryStreamFactory, "Emby", "web/index.html", textEncoding, SocketFactory, CryptographyProvider, JsonSerializer, XmlSerializer, EnvironmentInfo, Certificate, FileSystemManager, SupportsDualModeSockets);
             HttpServer.GlobalResponse = LocalizationManager.GetLocalizedString("StartupEmbyServerIsLoading");
             RegisterSingleInstance(HttpServer, false);
             progress.Report(10);
diff --git a/Emby.Server.Core/HttpServerFactory.cs b/Emby.Server.Core/HttpServerFactory.cs
index deed3c6f3..dfd435c33 100644
--- a/Emby.Server.Core/HttpServerFactory.cs
+++ b/Emby.Server.Core/HttpServerFactory.cs
@@ -45,6 +45,7 @@ namespace Emby.Server.Core
             IXmlSerializer xml,
             IEnvironmentInfo environment,
             ICertificate certificate,
+            IFileSystem fileSystem,
             bool enableDualModeSockets)
         {
             var logger = logManager.GetLogger("HttpServer");
@@ -65,7 +66,8 @@ namespace Emby.Server.Core
                 certificate,
                 new StreamFactory(),
                 GetParseFn,
-                enableDualModeSockets);
+                enableDualModeSockets,
+                fileSystem);
         }
 
         private static Func<string, object> GetParseFn(Type propertyType)
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index 4e9b7c4c9..d873cd77f 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -84,6 +84,7 @@
     <Compile Include="FileOrganization\NameUtils.cs" />
     <Compile Include="FileOrganization\OrganizerScheduledTask.cs" />
     <Compile Include="FileOrganization\TvFolderOrganizer.cs" />
+    <Compile Include="HttpServer\FileWriter.cs" />
     <Compile Include="HttpServer\GetSwaggerResource.cs" />
     <Compile Include="HttpServer\HttpListenerHost.cs" />
     <Compile Include="HttpServer\HttpResultFactory.cs" />
diff --git a/Emby.Server.Implementations/HttpServer/FileWriter.cs b/Emby.Server.Implementations/HttpServer/FileWriter.cs
new file mode 100644
index 000000000..b80a40962
--- /dev/null
+++ b/Emby.Server.Implementations/HttpServer/FileWriter.cs
@@ -0,0 +1,188 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Services;
+
+namespace Emby.Server.Implementations.HttpServer
+{
+    public class FileWriter : IHttpResult
+    {
+        private ILogger Logger { get; set; }
+
+        private string RangeHeader { get; set; }
+        private bool IsHeadRequest { get; set; }
+
+        private long RangeStart { get; set; }
+        private long RangeEnd { get; set; }
+        private long RangeLength { get; set; }
+        private long TotalContentLength { get; set; }
+
+        public Action OnComplete { get; set; }
+        public Action OnError { get; set; }
+        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+        public List<Cookie> Cookies { get; private set; }
+
+        /// <summary>
+        /// The _options
+        /// </summary>
+        private readonly IDictionary<string, string> _options = new Dictionary<string, string>();
+        /// <summary>
+        /// Gets the options.
+        /// </summary>
+        /// <value>The options.</value>
+        public IDictionary<string, string> Headers
+        {
+            get { return _options; }
+        }
+
+        public string Path { get; set; }
+
+        public FileWriter(string path, string contentType, string rangeHeader, ILogger logger, IFileSystem fileSystem)
+        {
+            if (string.IsNullOrEmpty(contentType))
+            {
+                throw new ArgumentNullException("contentType");
+            }
+
+            Path = path;
+            Logger = logger;
+            RangeHeader = rangeHeader;
+
+            Headers["Content-Type"] = contentType;
+
+            TotalContentLength = fileSystem.GetFileInfo(path).Length;
+
+            if (string.IsNullOrWhiteSpace(rangeHeader))
+            {
+                Headers["Content-Length"] = TotalContentLength.ToString(UsCulture);
+                StatusCode = HttpStatusCode.OK;
+            }
+            else
+            {
+                Headers["Accept-Ranges"] = "bytes";
+                StatusCode = HttpStatusCode.PartialContent;
+                SetRangeValues();
+            }
+
+            Cookies = new List<Cookie>();
+        }
+
+        /// <summary>
+        /// Sets the range values.
+        /// </summary>
+        private void SetRangeValues()
+        {
+            var requestedRange = RequestedRanges[0];
+
+            // If the requested range is "0-", we can optimize by just doing a stream copy
+            if (!requestedRange.Value.HasValue)
+            {
+                RangeEnd = TotalContentLength - 1;
+            }
+            else
+            {
+                RangeEnd = requestedRange.Value.Value;
+            }
+
+            RangeStart = requestedRange.Key;
+            RangeLength = 1 + RangeEnd - RangeStart;
+
+            // Content-Length is the length of what we're serving, not the original content
+            Headers["Content-Length"] = RangeLength.ToString(UsCulture);
+            Headers["Content-Range"] = string.Format("bytes {0}-{1}/{2}", RangeStart, RangeEnd, TotalContentLength);
+        }
+
+        /// <summary>
+        /// The _requested ranges
+        /// </summary>
+        private List<KeyValuePair<long, long?>> _requestedRanges;
+        /// <summary>
+        /// Gets the requested ranges.
+        /// </summary>
+        /// <value>The requested ranges.</value>
+        protected List<KeyValuePair<long, long?>> RequestedRanges
+        {
+            get
+            {
+                if (_requestedRanges == null)
+                {
+                    _requestedRanges = new List<KeyValuePair<long, long?>>();
+
+                    // Example: bytes=0-,32-63
+                    var ranges = RangeHeader.Split('=')[1].Split(',');
+
+                    foreach (var range in ranges)
+                    {
+                        var vals = range.Split('-');
+
+                        long start = 0;
+                        long? end = null;
+
+                        if (!string.IsNullOrEmpty(vals[0]))
+                        {
+                            start = long.Parse(vals[0], UsCulture);
+                        }
+                        if (!string.IsNullOrEmpty(vals[1]))
+                        {
+                            end = long.Parse(vals[1], UsCulture);
+                        }
+
+                        _requestedRanges.Add(new KeyValuePair<long, long?>(start, end));
+                    }
+                }
+
+                return _requestedRanges;
+            }
+        }
+
+        public async Task WriteToAsync(IResponse response, CancellationToken cancellationToken)
+        {
+            try
+            {
+                // Headers only
+                if (IsHeadRequest)
+                {
+                    return;
+                }
+
+                if (string.IsNullOrWhiteSpace(RangeHeader) || (RangeStart <= 0 && RangeEnd >= TotalContentLength - 1))
+                {
+                    Logger.Info("Transmit file {0}", Path);
+                    await response.TransmitFile(Path, 0, 0, cancellationToken).ConfigureAwait(false);
+                    return;
+                }
+
+                await response.TransmitFile(Path, RangeStart, RangeEnd, cancellationToken).ConfigureAwait(false);
+            }
+            finally
+            {
+                if (OnComplete != null)
+                {
+                    OnComplete();
+                }
+            }
+        }
+
+        public string ContentType { get; set; }
+
+        public IRequest RequestContext { get; set; }
+
+        public object Response { get; set; }
+
+        public int Status { get; set; }
+
+        public HttpStatusCode StatusCode
+        {
+            get { return (HttpStatusCode)Status; }
+            set { Status = (int)value; }
+        }
+
+        public string StatusDescription { get; set; }
+
+    }
+}
diff --git a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
index b5a3c2992..6d15cc619 100644
--- a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
@@ -52,6 +52,7 @@ namespace Emby.Server.Implementations.HttpServer
         private readonly ISocketFactory _socketFactory;
         private readonly ICryptoProvider _cryptoProvider;
 
+        private readonly IFileSystem _fileSystem;
         private readonly IJsonSerializer _jsonSerializer;
         private readonly IXmlSerializer _xmlSerializer;
         private readonly ICertificate _certificate;
@@ -70,8 +71,7 @@ namespace Emby.Server.Implementations.HttpServer
             ILogger logger,
             IServerConfigurationManager config,
             string serviceName,
-            string defaultRedirectPath, INetworkManager networkManager, IMemoryStreamFactory memoryStreamProvider, ITextEncoding textEncoding, ISocketFactory socketFactory, ICryptoProvider cryptoProvider, IJsonSerializer jsonSerializer, IXmlSerializer xmlSerializer, IEnvironmentInfo environment, ICertificate certificate, IStreamFactory streamFactory, Func<Type, Func<string, object>> funcParseFn, bool enableDualModeSockets)
-            : base()
+            string defaultRedirectPath, INetworkManager networkManager, IMemoryStreamFactory memoryStreamProvider, ITextEncoding textEncoding, ISocketFactory socketFactory, ICryptoProvider cryptoProvider, IJsonSerializer jsonSerializer, IXmlSerializer xmlSerializer, IEnvironmentInfo environment, ICertificate certificate, IStreamFactory streamFactory, Func<Type, Func<string, object>> funcParseFn, bool enableDualModeSockets, IFileSystem fileSystem)
         {
             Instance = this;
 
@@ -89,6 +89,7 @@ namespace Emby.Server.Implementations.HttpServer
             _streamFactory = streamFactory;
             _funcParseFn = funcParseFn;
             _enableDualModeSockets = enableDualModeSockets;
+            _fileSystem = fileSystem;
             _config = config;
 
             _logger = logger;
@@ -226,7 +227,8 @@ namespace Emby.Server.Implementations.HttpServer
                 _cryptoProvider,
                 _streamFactory,
                 _enableDualModeSockets,
-                GetRequest);
+                GetRequest,
+                _fileSystem);
         }
 
         private IHttpRequest GetRequest(HttpListenerContext httpContext)
diff --git a/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs b/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
index 6bfd83110..e3f105941 100644
--- a/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpResultFactory.cs
@@ -474,10 +474,6 @@ namespace Emby.Server.Implementations.HttpServer
             {
                 throw new ArgumentNullException("cacheKey");
             }
-            if (options.ContentFactory == null)
-            {
-                throw new ArgumentNullException("factoryFn");
-            }
 
             var key = cacheKey.ToString("N");
 
@@ -560,30 +556,43 @@ namespace Emby.Server.Implementations.HttpServer
             {
                 var rangeHeader = requestContext.Headers.Get("Range");
 
-                var stream = await factoryFn().ConfigureAwait(false);
+                if (!isHeadRequest && !string.IsNullOrWhiteSpace(options.Path) && options.FileShare == FileShareMode.Read)
+                {
+                    return new FileWriter(options.Path, contentType, rangeHeader, _logger, _fileSystem)
+                    {
+                        OnComplete = options.OnComplete,
+                        OnError = options.OnError
+                    };
+                }
 
                 if (!string.IsNullOrEmpty(rangeHeader))
                 {
+                    var stream = await factoryFn().ConfigureAwait(false);
+
                     return new RangeRequestWriter(rangeHeader, stream, contentType, isHeadRequest, _logger)
                     {
                         OnComplete = options.OnComplete
                     };
                 }
+                else
+                {
+                    var stream = await factoryFn().ConfigureAwait(false);
 
-                responseHeaders["Content-Length"] = stream.Length.ToString(UsCulture);
+                    responseHeaders["Content-Length"] = stream.Length.ToString(UsCulture);
 
-                if (isHeadRequest)
-                {
-                    stream.Dispose();
+                    if (isHeadRequest)
+                    {
+                        stream.Dispose();
 
-                    return GetHttpResult(new byte[] { }, contentType, true);
-                }
+                        return GetHttpResult(new byte[] { }, contentType, true);
+                    }
 
-                return new StreamWriter(stream, contentType, _logger)
-                {
-                    OnComplete = options.OnComplete,
-                    OnError = options.OnError
-                };
+                    return new StreamWriter(stream, contentType, _logger)
+                    {
+                        OnComplete = options.OnComplete,
+                        OnError = options.OnError
+                    };
+                }
             }
 
             using (var stream = await factoryFn().ConfigureAwait(false))
diff --git a/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpListener.cs b/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpListener.cs
index 652fc4f83..b11b2fe88 100644
--- a/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpListener.cs
+++ b/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpListener.cs
@@ -27,10 +27,11 @@ namespace Emby.Server.Implementations.HttpServer.SocketSharp
         private readonly ISocketFactory _socketFactory;
         private readonly ICryptoProvider _cryptoProvider;
         private readonly IStreamFactory _streamFactory;
+        private readonly IFileSystem _fileSystem;
         private readonly Func<HttpListenerContext, IHttpRequest> _httpRequestFactory;
         private readonly bool _enableDualMode;
 
-        public WebSocketSharpListener(ILogger logger, ICertificate certificate, IMemoryStreamFactory memoryStreamProvider, ITextEncoding textEncoding, INetworkManager networkManager, ISocketFactory socketFactory, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, bool enableDualMode, Func<HttpListenerContext, IHttpRequest> httpRequestFactory)
+        public WebSocketSharpListener(ILogger logger, ICertificate certificate, IMemoryStreamFactory memoryStreamProvider, ITextEncoding textEncoding, INetworkManager networkManager, ISocketFactory socketFactory, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, bool enableDualMode, Func<HttpListenerContext, IHttpRequest> httpRequestFactory, IFileSystem fileSystem)
         {
             _logger = logger;
             _certificate = certificate;
@@ -42,6 +43,7 @@ namespace Emby.Server.Implementations.HttpServer.SocketSharp
             _streamFactory = streamFactory;
             _enableDualMode = enableDualMode;
             _httpRequestFactory = httpRequestFactory;
+            _fileSystem = fileSystem;
         }
 
         public Action<Exception, IRequest, bool> ErrorHandler { get; set; }
@@ -54,7 +56,7 @@ namespace Emby.Server.Implementations.HttpServer.SocketSharp
         public void Start(IEnumerable<string> urlPrefixes)
         {
             if (_listener == null)
-                _listener = new HttpListener(_logger, _cryptoProvider, _streamFactory, _socketFactory, _networkManager, _textEncoding, _memoryStreamProvider);
+                _listener = new HttpListener(_logger, _cryptoProvider, _streamFactory, _socketFactory, _networkManager, _textEncoding, _memoryStreamProvider, _fileSystem);
 
             _listener.EnableDualMode = _enableDualMode;
 
diff --git a/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpResponse.cs b/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpResponse.cs
index 36f795411..a497ee715 100644
--- a/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpResponse.cs
+++ b/Emby.Server.Implementations/HttpServer/SocketSharp/WebSocketSharpResponse.cs
@@ -3,6 +3,9 @@ using System.Collections.Generic;
 using System.IO;
 using System.Net;
 using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Logging;
 using SocketHttpListener.Net;
 using HttpListenerResponse = SocketHttpListener.Net.HttpListenerResponse;
@@ -189,5 +192,10 @@ namespace Emby.Server.Implementations.HttpServer.SocketSharp
         public void ClearCookies()
         {
         }
+
+        public Task TransmitFile(string path, long offset, long count, CancellationToken cancellationToken)
+        {
+            return _response.TransmitFile(path, offset, count, cancellationToken);
+        }
     }
 }
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 926d82f94..d9060a066 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -1276,6 +1276,14 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                     return;
                 }
 
+                var registration = await _liveTvManager.GetRegistrationInfo("dvr").ConfigureAwait(false);
+                if (!registration.IsValid)
+                {
+                    _logger.Warn("Emby Premiere required to use Emby DVR.");
+                    OnTimerOutOfDate(timer);
+                    return;
+                }
+
                 var activeRecordingInfo = new ActiveRecordingInfo
                 {
                     CancellationTokenSource = new CancellationTokenSource(),
@@ -2319,6 +2327,9 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                         {
                             UpdateExistingTimerWithNewMetadata(existingTimer, timer);
 
+                            // Needed by ShouldCancelTimerForSeriesTimer
+                            timer.IsManual = existingTimer.IsManual;
+
                             if (ShouldCancelTimerForSeriesTimer(seriesTimer, timer))
                             {
                                 existingTimer.Status = RecordingStatus.Cancelled;
diff --git a/Emby.Server.Implementations/Services/ResponseHelper.cs b/Emby.Server.Implementations/Services/ResponseHelper.cs
index eea4bf049..3c2af60db 100644
--- a/Emby.Server.Implementations/Services/ResponseHelper.cs
+++ b/Emby.Server.Implementations/Services/ResponseHelper.cs
@@ -12,45 +12,6 @@ namespace Emby.Server.Implementations.Services
 {
     public static class ResponseHelper
     {
-        private static async Task<bool> WriteToOutputStream(IResponse response, object result)
-        {
-            var asyncStreamWriter = result as IAsyncStreamWriter;
-            if (asyncStreamWriter != null)
-            {
-                await asyncStreamWriter.WriteToAsync(response.OutputStream, CancellationToken.None).ConfigureAwait(false);
-                return true;
-            }
-
-            var streamWriter = result as IStreamWriter;
-            if (streamWriter != null)
-            {
-                streamWriter.WriteTo(response.OutputStream);
-                return true;
-            }
-
-            var stream = result as Stream;
-            if (stream != null)
-            {
-                using (stream)
-                {
-                    await stream.CopyToAsync(response.OutputStream).ConfigureAwait(false);
-                    return true;
-                }
-            }
-
-            var bytes = result as byte[];
-            if (bytes != null)
-            {
-                response.ContentType = "application/octet-stream";
-                response.SetContentLength(bytes.Length);
-
-                await response.OutputStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
-                return true;
-            }
-
-            return false;
-        }
-
         public static Task WriteToResponse(IResponse httpRes, IRequest httpReq, object result)
         {
             if (result == null)
@@ -155,6 +116,13 @@ namespace Emby.Server.Implementations.Services
                 return;
             }
 
+            var fileWriter = result as FileWriter;
+            if (fileWriter != null)
+            {
+                await fileWriter.WriteToAsync(response, CancellationToken.None).ConfigureAwait(false);
+                return;
+            }
+
             var stream = result as Stream;
             if (stream != null)
             {
diff --git a/Emby.Server.Implementations/packages.config b/Emby.Server.Implementations/packages.config
index 7e638e171..ccabbc27b 100644
--- a/Emby.Server.Implementations/packages.config
+++ b/Emby.Server.Implementations/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Emby.XmlTv" version="1.0.7" targetFramework="portable45-net45+win8" />
-  <package id="MediaBrowser.Naming" version="1.0.4" targetFramework="portable45-net45+win8" />
+  <package id="MediaBrowser.Naming" version="1.0.5" targetFramework="portable45-net45+win8" />
   <package id="SQLitePCL.pretty" version="1.1.0" targetFramework="portable45-net45+win8" />
   <package id="SQLitePCLRaw.core" version="1.1.2" targetFramework="portable45-net45+win8" />
   <package id="UniversalDetector" version="1.0.1" targetFramework="portable45-net45+win8" />
diff --git a/MediaBrowser.Controller/Entities/IHasImages.cs b/MediaBrowser.Controller/Entities/IHasImages.cs
index 4c033dc00..2104bee09 100644
--- a/MediaBrowser.Controller/Entities/IHasImages.cs
+++ b/MediaBrowser.Controller/Entities/IHasImages.cs
@@ -206,6 +206,8 @@ namespace MediaBrowser.Controller.Entities
         void SetImage(ItemImageInfo image, int index);
 
         double? GetDefaultPrimaryImageAspectRatio();
+
+        int? ProductionYear { get; set; }
     }
 
     public static class HasImagesExtensions
diff --git a/MediaBrowser.Controller/Net/StaticResultOptions.cs b/MediaBrowser.Controller/Net/StaticResultOptions.cs
index 272fa8b3b..62c13fbb5 100644
--- a/MediaBrowser.Controller/Net/StaticResultOptions.cs
+++ b/MediaBrowser.Controller/Net/StaticResultOptions.cs
@@ -23,21 +23,18 @@ namespace MediaBrowser.Controller.Net
         public Action OnComplete { get; set; }
         public Action OnError { get; set; }
 
+        public string Path { get; set; }
+
+        public FileShareMode FileShare { get; set; }
+
         public StaticResultOptions()
         {
             ResponseHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+            FileShare = FileShareMode.Read;
         }
     }
 
     public class StaticFileResultOptions : StaticResultOptions
     {
-        public string Path { get; set; }
-
-        public FileShareMode FileShare { get; set; }
-
-        public StaticFileResultOptions()
-        {
-            FileShare = FileShareMode.Read;
-        }
     }
 }
diff --git a/MediaBrowser.Model/Net/IAcceptSocket.cs b/MediaBrowser.Model/Net/IAcceptSocket.cs
index cac23b337..4262e2390 100644
--- a/MediaBrowser.Model/Net/IAcceptSocket.cs
+++ b/MediaBrowser.Model/Net/IAcceptSocket.cs
@@ -1,4 +1,6 @@
 using System;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace MediaBrowser.Model.Net
 {
@@ -13,6 +15,7 @@ namespace MediaBrowser.Model.Net
         void Bind(IpEndPointInfo endpoint);
         void Connect(IpEndPointInfo endPoint);
         void StartAccept(Action<IAcceptSocket> onAccept, Func<bool> isClosed);
+        Task SendFile(string path, byte[] preBuffer, byte[] postBuffer, CancellationToken cancellationToken);
     }
 
     public class SocketCreateException : Exception
diff --git a/MediaBrowser.Model/Services/IAsyncStreamWriter.cs b/MediaBrowser.Model/Services/IAsyncStreamWriter.cs
index b10e12813..f61a94f6e 100644
--- a/MediaBrowser.Model/Services/IAsyncStreamWriter.cs
+++ b/MediaBrowser.Model/Services/IAsyncStreamWriter.cs
@@ -8,4 +8,9 @@ namespace MediaBrowser.Model.Services
     {
         Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken);
     }
+
+    public interface IFileWriter
+    {
+        Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken);
+    }
 }
diff --git a/MediaBrowser.Model/Services/IRequest.cs b/MediaBrowser.Model/Services/IRequest.cs
index e9a9f1c5b..40cef4ec0 100644
--- a/MediaBrowser.Model/Services/IRequest.cs
+++ b/MediaBrowser.Model/Services/IRequest.cs
@@ -2,6 +2,8 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace MediaBrowser.Model.Services
 {
@@ -151,6 +153,7 @@ namespace MediaBrowser.Model.Services
 
         //Add Metadata to Response
         Dictionary<string, object> Items { get; }
-    }
 
+        Task TransmitFile(string path, long offset, long count, CancellationToken cancellationToken);
+    }
 }
diff --git a/SharedVersion.cs b/SharedVersion.cs
index e3fd5e349..3f2c5d97e 100644
--- a/SharedVersion.cs
+++ b/SharedVersion.cs
@@ -1,3 +1,3 @@
 using System.Reflection;
 
-[assembly: AssemblyVersion("3.2.7.2")]
+[assembly: AssemblyVersion("3.2.7.3")]
diff --git a/SocketHttpListener.Portable/Net/EndPointListener.cs b/SocketHttpListener.Portable/Net/EndPointListener.cs
index c7642d5d1..4f1a17fc0 100644
--- a/SocketHttpListener.Portable/Net/EndPointListener.cs
+++ b/SocketHttpListener.Portable/Net/EndPointListener.cs
@@ -32,8 +32,9 @@ namespace SocketHttpListener.Net
         private readonly ISocketFactory _socketFactory;
         private readonly ITextEncoding _textEncoding;
         private readonly IMemoryStreamFactory _memoryStreamFactory;
+        private readonly IFileSystem _fileSystem;
 
-        public EndPointListener(HttpListener listener, IpAddressInfo addr, int port, bool secure, ICertificate cert, ILogger logger, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding)
+        public EndPointListener(HttpListener listener, IpAddressInfo addr, int port, bool secure, ICertificate cert, ILogger logger, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding, IFileSystem fileSystem)
         {
             this.listener = listener;
             _logger = logger;
@@ -42,6 +43,7 @@ namespace SocketHttpListener.Net
             _socketFactory = socketFactory;
             _memoryStreamFactory = memoryStreamFactory;
             _textEncoding = textEncoding;
+            _fileSystem = fileSystem;
 
             this.secure = secure;
             this.cert = cert;
@@ -107,7 +109,7 @@ namespace SocketHttpListener.Net
                     return;
                 }
 
-                HttpConnection conn = await HttpConnection.Create(_logger, accepted, listener, listener.secure, listener.cert, _cryptoProvider, _streamFactory, _memoryStreamFactory, _textEncoding).ConfigureAwait(false);
+                HttpConnection conn = await HttpConnection.Create(_logger, accepted, listener, listener.secure, listener.cert, _cryptoProvider, _streamFactory, _memoryStreamFactory, _textEncoding, _fileSystem).ConfigureAwait(false);
 
                 //_logger.Debug("Adding unregistered connection to {0}. Id: {1}", accepted.RemoteEndPoint, connectionId);
                 lock (listener.unregistered)
diff --git a/SocketHttpListener.Portable/Net/EndPointManager.cs b/SocketHttpListener.Portable/Net/EndPointManager.cs
index 797684b3e..11f774915 100644
--- a/SocketHttpListener.Portable/Net/EndPointManager.cs
+++ b/SocketHttpListener.Portable/Net/EndPointManager.cs
@@ -5,6 +5,7 @@ using System.Linq;
 using System.Net;
 using System.Reflection;
 using System.Threading.Tasks;
+using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Net;
 using SocketHttpListener.Primitives;
@@ -105,7 +106,7 @@ namespace SocketHttpListener.Net
             }
             else
             {
-                epl = new EndPointListener(listener, addr, port, secure, listener.Certificate, logger, listener.CryptoProvider, listener.StreamFactory, listener.SocketFactory, listener.MemoryStreamFactory, listener.TextEncoding);
+                epl = new EndPointListener(listener, addr, port, secure, listener.Certificate, logger, listener.CryptoProvider, listener.StreamFactory, listener.SocketFactory, listener.MemoryStreamFactory, listener.TextEncoding, listener.FileSystem);
                 p[port] = epl;
             }
 
diff --git a/SocketHttpListener.Portable/Net/HttpConnection.cs b/SocketHttpListener.Portable/Net/HttpConnection.cs
index 4a2cf3f5b..5fe47fc63 100644
--- a/SocketHttpListener.Portable/Net/HttpConnection.cs
+++ b/SocketHttpListener.Portable/Net/HttpConnection.cs
@@ -35,13 +35,14 @@ namespace SocketHttpListener.Net
         ICertificate cert;
         Stream ssl_stream;
 
-        private ILogger _logger;
+        private readonly ILogger _logger;
         private readonly ICryptoProvider _cryptoProvider;
         private readonly IMemoryStreamFactory _memoryStreamFactory;
         private readonly ITextEncoding _textEncoding;
         private readonly IStreamFactory _streamFactory;
+        private readonly IFileSystem _fileSystem;
 
-        private HttpConnection(ILogger logger, IAcceptSocket sock, EndPointListener epl, bool secure, ICertificate cert, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding)
+        private HttpConnection(ILogger logger, IAcceptSocket sock, EndPointListener epl, bool secure, ICertificate cert, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding, IFileSystem fileSystem)
         {
             _logger = logger;
             this.sock = sock;
@@ -51,6 +52,7 @@ namespace SocketHttpListener.Net
             _cryptoProvider = cryptoProvider;
             _memoryStreamFactory = memoryStreamFactory;
             _textEncoding = textEncoding;
+            _fileSystem = fileSystem;
             _streamFactory = streamFactory;
         }
 
@@ -82,9 +84,9 @@ namespace SocketHttpListener.Net
             Init();
         }
 
-        public static async Task<HttpConnection> Create(ILogger logger, IAcceptSocket sock, EndPointListener epl, bool secure, ICertificate cert, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding)
+        public static async Task<HttpConnection> Create(ILogger logger, IAcceptSocket sock, EndPointListener epl, bool secure, ICertificate cert, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding, IFileSystem fileSystem)
         {
-            var connection = new HttpConnection(logger, sock, epl, secure, cert, cryptoProvider, streamFactory, memoryStreamFactory, textEncoding);
+            var connection = new HttpConnection(logger, sock, epl, secure, cert, cryptoProvider, streamFactory, memoryStreamFactory, textEncoding, fileSystem);
 
             await connection.InitStream().ConfigureAwait(false);
 
@@ -121,7 +123,7 @@ namespace SocketHttpListener.Net
             position = 0;
             input_state = InputState.RequestLine;
             line_state = LineState.None;
-            context = new HttpListenerContext(this, _logger, _cryptoProvider, _memoryStreamFactory, _textEncoding);
+            context = new HttpListenerContext(this, _logger, _cryptoProvider, _memoryStreamFactory, _textEncoding, _fileSystem);
         }
 
         public bool IsClosed
@@ -213,7 +215,9 @@ namespace SocketHttpListener.Net
 
                 if (context.Response.SendChunked || isExpect100Continue || context.Request.IsWebSocketRequest || true)
                 {
-                    o_stream = new ResponseStream(stream, context.Response, _memoryStreamFactory, _textEncoding);
+                    var supportsDirectSocketAccess = !context.Response.SendChunked && !isExpect100Continue && !secure;
+
+                    o_stream = new ResponseStream(stream, context.Response, _memoryStreamFactory, _textEncoding, _fileSystem, sock, supportsDirectSocketAccess);
                 }
                 else
                 {
diff --git a/SocketHttpListener.Portable/Net/HttpListener.cs b/SocketHttpListener.Portable/Net/HttpListener.cs
index 2b0f75d01..c2e7acd8e 100644
--- a/SocketHttpListener.Portable/Net/HttpListener.cs
+++ b/SocketHttpListener.Portable/Net/HttpListener.cs
@@ -18,6 +18,7 @@ namespace SocketHttpListener.Net
         internal ICryptoProvider CryptoProvider { get; private set; }
         internal IStreamFactory StreamFactory { get; private set; }
         internal ISocketFactory SocketFactory { get; private set; }
+        internal IFileSystem FileSystem { get; private set; }
         internal ITextEncoding TextEncoding { get; private set; }
         internal IMemoryStreamFactory MemoryStreamFactory { get; private set; }
         internal INetworkManager NetworkManager { get; private set; }
@@ -39,7 +40,7 @@ namespace SocketHttpListener.Net
 
         public Action<HttpListenerContext> OnContext { get; set; }
 
-        public HttpListener(ILogger logger, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, INetworkManager networkManager, ITextEncoding textEncoding, IMemoryStreamFactory memoryStreamFactory)
+        public HttpListener(ILogger logger, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, INetworkManager networkManager, ITextEncoding textEncoding, IMemoryStreamFactory memoryStreamFactory, IFileSystem fileSystem)
         {
             _logger = logger;
             CryptoProvider = cryptoProvider;
@@ -48,19 +49,20 @@ namespace SocketHttpListener.Net
             NetworkManager = networkManager;
             TextEncoding = textEncoding;
             MemoryStreamFactory = memoryStreamFactory;
+            FileSystem = fileSystem;
             prefixes = new HttpListenerPrefixCollection(logger, this);
             registry = new Dictionary<HttpListenerContext, HttpListenerContext>();
             connections = new Dictionary<HttpConnection, HttpConnection>();
             auth_schemes = AuthenticationSchemes.Anonymous;
         }
 
-        public HttpListener(ICertificate certificate, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, INetworkManager networkManager, ITextEncoding textEncoding, IMemoryStreamFactory memoryStreamFactory)
-            :this(new NullLogger(), certificate, cryptoProvider, streamFactory, socketFactory, networkManager, textEncoding, memoryStreamFactory)
+        public HttpListener(ICertificate certificate, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, INetworkManager networkManager, ITextEncoding textEncoding, IMemoryStreamFactory memoryStreamFactory, IFileSystem fileSystem)
+            :this(new NullLogger(), certificate, cryptoProvider, streamFactory, socketFactory, networkManager, textEncoding, memoryStreamFactory, fileSystem)
         {
         }
 
-        public HttpListener(ILogger logger, ICertificate certificate, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, INetworkManager networkManager, ITextEncoding textEncoding, IMemoryStreamFactory memoryStreamFactory)
-            : this(logger, cryptoProvider, streamFactory, socketFactory, networkManager, textEncoding, memoryStreamFactory)
+        public HttpListener(ILogger logger, ICertificate certificate, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, INetworkManager networkManager, ITextEncoding textEncoding, IMemoryStreamFactory memoryStreamFactory, IFileSystem fileSystem)
+            : this(logger, cryptoProvider, streamFactory, socketFactory, networkManager, textEncoding, memoryStreamFactory, fileSystem)
         {
             _certificate = certificate;
         }
diff --git a/SocketHttpListener.Portable/Net/HttpListenerContext.cs b/SocketHttpListener.Portable/Net/HttpListenerContext.cs
index 182fd2d2a..58d769f22 100644
--- a/SocketHttpListener.Portable/Net/HttpListenerContext.cs
+++ b/SocketHttpListener.Portable/Net/HttpListenerContext.cs
@@ -18,20 +18,18 @@ namespace SocketHttpListener.Net
         HttpConnection cnc;
         string error;
         int err_status = 400;
-        private readonly ILogger _logger;
         private readonly ICryptoProvider _cryptoProvider;
         private readonly IMemoryStreamFactory _memoryStreamFactory;
         private readonly ITextEncoding _textEncoding;
 
-        internal HttpListenerContext(HttpConnection cnc, ILogger logger, ICryptoProvider cryptoProvider, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding)
+        internal HttpListenerContext(HttpConnection cnc, ILogger logger, ICryptoProvider cryptoProvider, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding, IFileSystem fileSystem)
         {
             this.cnc = cnc;
-            _logger = logger;
             _cryptoProvider = cryptoProvider;
             _memoryStreamFactory = memoryStreamFactory;
             _textEncoding = textEncoding;
             request = new HttpListenerRequest(this, _textEncoding);
-            response = new HttpListenerResponse(this, _logger, _textEncoding);
+            response = new HttpListenerResponse(this, logger, _textEncoding, fileSystem);
         }
 
         internal int ErrorStatus
diff --git a/SocketHttpListener.Portable/Net/HttpListenerResponse.cs b/SocketHttpListener.Portable/Net/HttpListenerResponse.cs
index 9a5862cb9..d8011f05e 100644
--- a/SocketHttpListener.Portable/Net/HttpListenerResponse.cs
+++ b/SocketHttpListener.Portable/Net/HttpListenerResponse.cs
@@ -3,6 +3,9 @@ using System.Globalization;
 using System.IO;
 using System.Net;
 using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Text;
 using SocketHttpListener.Primitives;
@@ -32,12 +35,14 @@ namespace SocketHttpListener.Net
 
         private readonly ILogger _logger;
         private readonly ITextEncoding _textEncoding;
+        private readonly IFileSystem _fileSystem;
 
-        internal HttpListenerResponse(HttpListenerContext context, ILogger logger, ITextEncoding textEncoding)
+        internal HttpListenerResponse(HttpListenerContext context, ILogger logger, ITextEncoding textEncoding, IFileSystem fileSystem)
         {
             this.context = context;
             _logger = logger;
             _textEncoding = textEncoding;
+            _fileSystem = fileSystem;
         }
 
         internal bool CloseConnection
@@ -366,7 +371,7 @@ namespace SocketHttpListener.Net
         {
             if (chunked)
             {
-                return ;
+                return;
             }
 
             Version v = context.Request.ProtocolVersion;
@@ -509,5 +514,10 @@ namespace SocketHttpListener.Net
 
             cookies.Add(cookie);
         }
+
+        public Task TransmitFile(string path, long offset, long count, CancellationToken cancellationToken)
+        {
+            return ((ResponseStream)OutputStream).TransmitFile(path, offset, count, cancellationToken);
+        }
     }
 }
\ No newline at end of file
diff --git a/SocketHttpListener.Portable/Net/ResponseStream.cs b/SocketHttpListener.Portable/Net/ResponseStream.cs
index a79a18791..ccc0efc55 100644
--- a/SocketHttpListener.Portable/Net/ResponseStream.cs
+++ b/SocketHttpListener.Portable/Net/ResponseStream.cs
@@ -5,6 +5,7 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Text;
 using SocketHttpListener.Primitives;
 
@@ -22,12 +23,18 @@ namespace SocketHttpListener.Net
         Stream stream;
         private readonly IMemoryStreamFactory _memoryStreamFactory;
         private readonly ITextEncoding _textEncoding;
+        private readonly IFileSystem _fileSystem;
+        private readonly IAcceptSocket _socket;
+        private readonly bool _supportsDirectSocketAccess;
 
-        internal ResponseStream(Stream stream, HttpListenerResponse response, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding)
+        internal ResponseStream(Stream stream, HttpListenerResponse response, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding, IFileSystem fileSystem, IAcceptSocket socket, bool supportsDirectSocketAccess)
         {
             this.response = response;
             _memoryStreamFactory = memoryStreamFactory;
             _textEncoding = textEncoding;
+            _fileSystem = fileSystem;
+            _socket = socket;
+            _supportsDirectSocketAccess = supportsDirectSocketAccess;
             this.stream = stream;
         }
 
@@ -299,5 +306,80 @@ namespace SocketHttpListener.Net
         {
             throw new NotSupportedException();
         }
+
+        public Task TransmitFile(string path, long offset, long count, CancellationToken cancellationToken)
+        {
+            //if (_supportsDirectSocketAccess && offset == 0 && count == 0 && !response.SendChunked)
+            //{
+            //    return TransmitFileOverSocket(path, offset, count, cancellationToken);
+            //}
+            return TransmitFileManaged(path, offset, count, cancellationToken);
+        }
+
+        private readonly byte[] _emptyBuffer = new byte[] { };
+        private async Task TransmitFileOverSocket(string path, long offset, long count, CancellationToken cancellationToken)
+        {
+            MemoryStream ms = GetHeaders(response, _memoryStreamFactory, false);
+
+            var buffer = new byte[] {};
+            if (ms != null)
+            {
+                ms.Position = 0;
+
+                byte[] msBuffer;
+                _memoryStreamFactory.TryGetBuffer(ms, out msBuffer);
+                buffer = msBuffer;
+            }
+
+            await _socket.SendFile(path, buffer, _emptyBuffer, cancellationToken).ConfigureAwait(false);
+        }
+
+        private async Task TransmitFileManaged(string path, long offset, long count, CancellationToken cancellationToken)
+        {
+            var chunked = response.SendChunked;
+
+            if (!chunked)
+            {
+                await WriteAsync(_emptyBuffer, 0, 0, cancellationToken).ConfigureAwait(false);
+            }
+
+            using (var fs = _fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.Read, true))
+            {
+                if (offset > 0)
+                {
+                    fs.Position = offset;
+                }
+
+                var targetStream = chunked ? this : stream;
+
+                if (count > 0)
+                {
+                    await CopyToInternalAsync(fs, targetStream, count, cancellationToken).ConfigureAwait(false);
+                }
+                else
+                {
+                    await fs.CopyToAsync(targetStream, 81920, cancellationToken).ConfigureAwait(false);
+                }
+            }
+        }
+
+        private async Task CopyToInternalAsync(Stream source, Stream destination, long copyLength, CancellationToken cancellationToken)
+        {
+            var array = new byte[81920];
+            int count;
+            while ((count = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false)) != 0)
+            {
+                var bytesToCopy = Math.Min(count, copyLength);
+
+                await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToCopy), cancellationToken).ConfigureAwait(false);
+
+                copyLength -= bytesToCopy;
+
+                if (copyLength <= 0)
+                {
+                    break;
+                }
+            }
+        }
     }
 }