fixes #887 - Support ttml subtitle output

35 files changed, 333 insertions, 96 deletions

diff --git a/MediaBrowser.Api/Subtitles/SubtitleService.cs b/MediaBrowser.Api/Subtitles/SubtitleService.cs
index 3e692cb22..f7696e963 100644
--- a/MediaBrowser.Api/Subtitles/SubtitleService.cs
+++ b/MediaBrowser.Api/Subtitles/SubtitleService.cs
@@ -1,6 +1,4 @@
-using System.IO;
-using System.Linq;
-using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Controller.Net;
@@ -11,6 +9,8 @@ using MediaBrowser.Model.Providers;
 using ServiceStack;
 using System;
 using System.Collections.Generic;
+using System.IO;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -69,7 +69,8 @@ namespace MediaBrowser.Api.Subtitles
         public string Id { get; set; }
     }
 
-    [Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format (vtt).")]
+    [Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format.")]
+    [Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/{StartPositionTicks}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format.")]
     public class GetSubtitle
     {
         /// <summary>
@@ -132,6 +133,7 @@ namespace MediaBrowser.Api.Subtitles
                 request.Index,
                 request.Format,
                 request.StartPositionTicks,
+                null,
                 CancellationToken.None).ConfigureAwait(false);
         }
 
diff --git a/MediaBrowser.Api/SystemService.cs b/MediaBrowser.Api/SystemService.cs
index e31e66d19..259b1d892 100644
--- a/MediaBrowser.Api/SystemService.cs
+++ b/MediaBrowser.Api/SystemService.cs
@@ -71,6 +71,8 @@ namespace MediaBrowser.Api
         /// Initializes a new instance of the <see cref="SystemService" /> class.
         /// </summary>
         /// <param name="appHost">The app host.</param>
+        /// <param name="appPaths">The application paths.</param>
+        /// <param name="fileSystem">The file system.</param>
         /// <exception cref="System.ArgumentNullException">jsonSerializer</exception>
         public SystemService(IServerApplicationHost appHost, IApplicationPaths appPaths, IFileSystem fileSystem)
         {
diff --git a/MediaBrowser.Controller/Entities/Audio/Audio.cs b/MediaBrowser.Controller/Entities/Audio/Audio.cs
index 32d3dd5c8..d3085cb68 100644
--- a/MediaBrowser.Controller/Entities/Audio/Audio.cs
+++ b/MediaBrowser.Controller/Entities/Audio/Audio.cs
@@ -34,6 +34,11 @@ namespace MediaBrowser.Controller.Entities.Audio
             Tags = new List<string>();
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return LocationType == LocationType.FileSystem && RunTimeTicks.HasValue; }
+        }
+
         /// <summary>
         /// Gets or sets a value indicating whether this instance has embedded image.
         /// </summary>
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
index 695b1fd57..152d76782 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicAlbum.cs
@@ -21,6 +21,11 @@ namespace MediaBrowser.Controller.Entities.Audio
             SoundtrackIds = new List<Guid>();
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return true; }
+        }
+
         [IgnoreDataMember]
         public MusicArtist MusicArtist
         {
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
index 1544da7bc..de527b68b 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicArtist.cs
@@ -26,6 +26,11 @@ namespace MediaBrowser.Controller.Entities.Audio
             }
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return true; }
+        }
+
         protected override IEnumerable<BaseItem> ActualChildren
         {
             get
diff --git a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
index bce9da4d1..f1dc56ac6 100644
--- a/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
+++ b/MediaBrowser.Controller/Entities/Audio/MusicGenre.cs
@@ -18,6 +18,11 @@ namespace MediaBrowser.Controller.Entities.Audio
             return "MusicGenre-" + Name;
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return true; }
+        }
+
         /// <summary>
         /// Returns the folder containing the item.
         /// If the item is a folder, it returns the folder itself
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index a476f555f..fdffa60d0 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -52,6 +52,14 @@ namespace MediaBrowser.Controller.Entities
 
         public List<ItemImageInfo> ImageInfos { get; set; }
 
+        public virtual bool SupportsAddingToPlaylist
+        {
+            get
+            {
+                return false;
+            }
+        }
+
         /// <summary>
         /// Gets a value indicating whether this instance is in mixed folder.
         /// </summary>
diff --git a/MediaBrowser.Controller/Entities/TV/Season.cs b/MediaBrowser.Controller/Entities/TV/Season.cs
index 3977d869c..b82a400fe 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -29,6 +29,11 @@ namespace MediaBrowser.Controller.Entities.TV
             }
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return true; }
+        }
+
         [IgnoreDataMember]
         public override bool IsPreSorted
         {
diff --git a/MediaBrowser.Controller/Entities/TV/Series.cs b/MediaBrowser.Controller/Entities/TV/Series.cs
index 27ca8b18d..856ed4fdf 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -39,6 +39,11 @@ namespace MediaBrowser.Controller.Entities.TV
             DisplaySpecialsWithSeasons = true;
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return true; }
+        }
+
         [IgnoreDataMember]
         public override bool IsPreSorted
         {
diff --git a/MediaBrowser.Controller/Entities/Video.cs b/MediaBrowser.Controller/Entities/Video.cs
index 5685edc81..ff4c5dd90 100644
--- a/MediaBrowser.Controller/Entities/Video.cs
+++ b/MediaBrowser.Controller/Entities/Video.cs
@@ -55,6 +55,11 @@ namespace MediaBrowser.Controller.Entities
             LinkedAlternateVersions = new List<LinkedChild>();
         }
 
+        public override bool SupportsAddingToPlaylist
+        {
+            get { return LocationType == LocationType.FileSystem && RunTimeTicks.HasValue; }
+        }
+
         [IgnoreDataMember]
         public int MediaSourceCount
         {
diff --git a/MediaBrowser.Controller/IServerApplicationHost.cs b/MediaBrowser.Controller/IServerApplicationHost.cs
index 49061e05c..2af37e84d 100644
--- a/MediaBrowser.Controller/IServerApplicationHost.cs
+++ b/MediaBrowser.Controller/IServerApplicationHost.cs
@@ -46,5 +46,11 @@ namespace MediaBrowser.Controller
         /// </summary>
         /// <value>The server identifier.</value>
         string ServerId { get; }
+
+        /// <summary>
+        /// Gets the name of the friendly.
+        /// </summary>
+        /// <value>The name of the friendly.</value>
+        string FriendlyName { get; }
     }
 }
diff --git a/MediaBrowser.Controller/Library/TVUtils.cs b/MediaBrowser.Controller/Library/TVUtils.cs
index 541dfd226..d8d836597 100644
--- a/MediaBrowser.Controller/Library/TVUtils.cs
+++ b/MediaBrowser.Controller/Library/TVUtils.cs
@@ -126,7 +126,7 @@ namespace MediaBrowser.Controller.Library
         {
             var filename = Path.GetFileName(path);
 
-            if (string.Equals(path, "specials", StringComparison.OrdinalIgnoreCase))
+            if (string.Equals(filename, "specials", StringComparison.OrdinalIgnoreCase))
             {
                 return 0;
             }
diff --git a/MediaBrowser.Controller/MediaEncoding/ISubtitleEncoder.cs b/MediaBrowser.Controller/MediaEncoding/ISubtitleEncoder.cs
index 6e9bcef2e..9e32fc32b 100644
--- a/MediaBrowser.Controller/MediaEncoding/ISubtitleEncoder.cs
+++ b/MediaBrowser.Controller/MediaEncoding/ISubtitleEncoder.cs
@@ -13,6 +13,7 @@ namespace MediaBrowser.Controller.MediaEncoding
         /// <param name="inputFormat">The input format.</param>
         /// <param name="outputFormat">The output format.</param>
         /// <param name="startTimeTicks">The start time ticks.</param>
+        /// <param name="endTimeTicks">The end time ticks.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task{Stream}.</returns>
         Task<Stream> ConvertSubtitles(
@@ -20,6 +21,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             string inputFormat,
             string outputFormat,
             long startTimeTicks,
+            long? endTimeTicks,
             CancellationToken cancellationToken);
 
         /// <summary>
@@ -30,6 +32,7 @@ namespace MediaBrowser.Controller.MediaEncoding
         /// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
         /// <param name="outputFormat">The output format.</param>
         /// <param name="startTimeTicks">The start time ticks.</param>
+        /// <param name="endTimeTicks">The end time ticks.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>Task{Stream}.</returns>
         Task<Stream> GetSubtitles(string itemId,
@@ -37,6 +40,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             int subtitleStreamIndex,
             string outputFormat,
             long startTimeTicks,
+            long? endTimeTicks,
             CancellationToken cancellationToken);
 
         /// <summary>
diff --git a/MediaBrowser.Dlna/PlayTo/PlaylistItemFactory.cs b/MediaBrowser.Dlna/PlayTo/PlaylistItemFactory.cs
index 796ccb004..83d7f322d 100644
--- a/MediaBrowser.Dlna/PlayTo/PlaylistItemFactory.cs
+++ b/MediaBrowser.Dlna/PlayTo/PlaylistItemFactory.cs
@@ -1,5 +1,6 @@
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Dlna;
+using MediaBrowser.Model.Session;
 using System;
 using System.Globalization;
 using System.IO;
@@ -29,7 +30,7 @@ namespace MediaBrowser.Dlna.PlayTo
 
             if (directPlay != null)
             {
-                playlistItem.StreamInfo.IsDirectStream = true;
+                playlistItem.StreamInfo.PlayMethod = PlayMethod.DirectStream;
                 playlistItem.StreamInfo.Container = Path.GetExtension(item.Path);
 
                 return playlistItem;
@@ -40,7 +41,7 @@ namespace MediaBrowser.Dlna.PlayTo
 
             if (transcodingProfile != null)
             {
-                playlistItem.StreamInfo.IsDirectStream = true;
+                playlistItem.StreamInfo.PlayMethod = PlayMethod.Transcode;
                 playlistItem.StreamInfo.Container = "." + transcodingProfile.Container.TrimStart('.');
             }
 
diff --git a/MediaBrowser.Dlna/Profiles/Windows81Profile.cs b/MediaBrowser.Dlna/Profiles/Windows81Profile.cs
index 921019f8e..029fefc64 100644
--- a/MediaBrowser.Dlna/Profiles/Windows81Profile.cs
+++ b/MediaBrowser.Dlna/Profiles/Windows81Profile.cs
@@ -155,6 +155,13 @@ namespace MediaBrowser.Dlna.Profiles
                 }
             };
 
+            ExternalSubtitleProfiles = new[]
+            {
+                new SubtitleProfile
+                {
+                    Format = "ttml"
+                }
+            };
         }
     }
 }
diff --git a/MediaBrowser.Dlna/Profiles/Xml/Panasonic Viera.xml b/MediaBrowser.Dlna/Profiles/Xml/Panasonic Viera.xml
index 5b5125b30..5859b2439 100644
--- a/MediaBrowser.Dlna/Profiles/Xml/Panasonic Viera.xml
+++ b/MediaBrowser.Dlna/Profiles/Xml/Panasonic Viera.xml
@@ -69,9 +69,7 @@
   </CodecProfiles>
   <ResponseProfiles />
   <SoftSubtitleProfiles>
-    <SubtitleProfile>
-      <Format>srt</Format>
-    </SubtitleProfile>
+    <SubtitleProfile format="srt" />
   </SoftSubtitleProfiles>
   <ExternalSubtitleProfiles />
 </Profile>
\ No newline at end of file
diff --git a/MediaBrowser.Dlna/Profiles/Xml/Samsung Smart TV.xml b/MediaBrowser.Dlna/Profiles/Xml/Samsung Smart TV.xml
index 209c029b5..28f170bc0 100644
--- a/MediaBrowser.Dlna/Profiles/Xml/Samsung Smart TV.xml
+++ b/MediaBrowser.Dlna/Profiles/Xml/Samsung Smart TV.xml
@@ -107,9 +107,7 @@
     </ResponseProfile>
   </ResponseProfiles>
   <SoftSubtitleProfiles>
-    <SubtitleProfile>
-      <Format>smi</Format>
-    </SubtitleProfile>
+    <SubtitleProfile format="smi" />
   </SoftSubtitleProfiles>
   <ExternalSubtitleProfiles />
 </Profile>
\ No newline at end of file
diff --git a/MediaBrowser.Dlna/Profiles/Xml/Windows 8 RT.xml b/MediaBrowser.Dlna/Profiles/Xml/Windows 8 RT.xml
index 61ee59549..1847d844f 100644
--- a/MediaBrowser.Dlna/Profiles/Xml/Windows 8 RT.xml
+++ b/MediaBrowser.Dlna/Profiles/Xml/Windows 8 RT.xml
@@ -63,5 +63,7 @@
   </CodecProfiles>
   <ResponseProfiles />
   <SoftSubtitleProfiles />
-  <ExternalSubtitleProfiles />
+  <ExternalSubtitleProfiles>
+    <SubtitleProfile format="ttml" />
+  </ExternalSubtitleProfiles>
 </Profile>
\ No newline at end of file
diff --git a/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs b/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs
index 83bc6a49e..c7f974200 100644
--- a/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs
+++ b/MediaBrowser.LocalMetadata/Parsers/PlaylistXmlParser.cs
@@ -18,6 +18,20 @@ namespace MediaBrowser.LocalMetadata.Parsers
         {
             switch (reader.Name)
             {
+                case "OwnerUserId":
+                    {
+                        item.OwnerUserId = reader.ReadElementContentAsString();
+
+                        break;
+                    }
+
+                case "PlaylistMediaType":
+                    {
+                        item.PlaylistMediaType = reader.ReadElementContentAsString();
+
+                        break;
+                    }
+
                 case "PlaylistItems":
 
                     using (var subReader = reader.ReadSubtree())
diff --git a/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs b/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs
index abc7e3b3f..1541c2176 100644
--- a/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs
+++ b/MediaBrowser.LocalMetadata/Savers/PlaylistXmlSaver.cs
@@ -1,4 +1,5 @@
-using MediaBrowser.Controller.Entities;
+using System.Security;
+using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Playlists;
 using System.Collections.Generic;
@@ -42,17 +43,34 @@ namespace MediaBrowser.LocalMetadata.Savers
         /// <returns>Task.</returns>
         public void Save(IHasMetadata item, CancellationToken cancellationToken)
         {
+            var playlist = (Playlist)item;
+
             var builder = new StringBuilder();
 
             builder.Append("<Item>");
 
-            XmlSaverHelpers.AddCommonNodes((Playlist)item, builder);
+            if (!string.IsNullOrEmpty(playlist.OwnerUserId))
+            {
+                builder.Append("<OwnerUserId>" + SecurityElement.Escape(playlist.OwnerUserId) + "</OwnerUserId>");
+            }
+
+            if (!string.IsNullOrEmpty(playlist.PlaylistMediaType))
+            {
+                builder.Append("<PlaylistMediaType>" + SecurityElement.Escape(playlist.PlaylistMediaType) + "</PlaylistMediaType>");
+            }
+            
+            XmlSaverHelpers.AddCommonNodes(playlist, builder);
 
             builder.Append("</Item>");
 
             var xmlFilePath = GetSavePath(item);
 
-            XmlSaverHelpers.Save(builder, xmlFilePath, new List<string> { });
+            XmlSaverHelpers.Save(builder, xmlFilePath, new List<string>
+            {
+                "OwnerUserId",
+                "PlaylistMediaType"
+
+            });
         }
 
         /// <summary>
diff --git a/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs b/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs
index a007a95cf..0801b7358 100644
--- a/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs
+++ b/MediaBrowser.LocalMetadata/Savers/XmlSaverHelpers.cs
@@ -704,7 +704,7 @@ namespace MediaBrowser.LocalMetadata.Savers
         public static void AddLinkedChildren(Folder item, StringBuilder builder, string pluralNodeName, string singularNodeName)
         {
             var items = item.LinkedChildren
-                .Where(i => i.Type == LinkedChildType.Manual && !string.IsNullOrWhiteSpace(i.ItemName))
+                .Where(i => i.Type == LinkedChildType.Manual)
                 .ToList();
 
             if (items.Count == 0)
@@ -717,14 +717,20 @@ namespace MediaBrowser.LocalMetadata.Savers
             {
                 builder.Append("<" + singularNodeName + ">");
 
-                builder.Append("<Type>" + SecurityElement.Escape(link.ItemType) + "</Type>");
+                if (!string.IsNullOrWhiteSpace(link.ItemType))
+                {
+                    builder.Append("<Type>" + SecurityElement.Escape(link.ItemType) + "</Type>");
+                }
 
                 if (link.ItemYear.HasValue)
                 {
                     builder.Append("<Year>" + SecurityElement.Escape(link.ItemYear.Value.ToString(UsCulture)) + "</Year>");
                 }
 
-                builder.Append("<Path>" + SecurityElement.Escape((link.Path ?? string.Empty)) + "</Path>");
+                if (!string.IsNullOrWhiteSpace(link.Path))
+                {
+                    builder.Append("<Path>" + SecurityElement.Escape((link.Path)) + "</Path>");
+                }
 
                 builder.Append("</" + singularNodeName + ">");
             }
diff --git a/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj b/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj
index f11c261e2..12a03a876 100644
--- a/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj
+++ b/MediaBrowser.MediaEncoding/MediaBrowser.MediaEncoding.csproj
@@ -66,6 +66,7 @@
     <Compile Include="Subtitles\SsaParser.cs" />
     <Compile Include="Subtitles\SubtitleEncoder.cs" />
     <Compile Include="Subtitles\SubtitleTrackInfo.cs" />
+    <Compile Include="Subtitles\TtmlWriter.cs" />
     <Compile Include="Subtitles\VttWriter.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
index ab9cd546a..82e331dd8 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
@@ -48,6 +48,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             string inputFormat,
             string outputFormat,
             long startTimeTicks,
+            long? endTimeTicks,
             CancellationToken cancellationToken)
         {
             var ms = new MemoryStream();
@@ -56,6 +57,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             {
                 // Return the original without any conversions, if possible
                 if (startTimeTicks == 0 && 
+                    !endTimeTicks.HasValue &&
                     string.Equals(inputFormat, outputFormat, StringComparison.OrdinalIgnoreCase))
                 {
                     await stream.CopyToAsync(ms, 81920, cancellationToken).ConfigureAwait(false);
@@ -64,7 +66,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
                 {
                     var trackInfo = await GetTrackInfo(stream, inputFormat, cancellationToken).ConfigureAwait(false);
 
-                    UpdateStartingPosition(trackInfo, startTimeTicks);
+                    FilterEvents(trackInfo, startTimeTicks, endTimeTicks, false);
 
                     var writer = GetWriter(outputFormat);
 
@@ -81,19 +83,30 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             return ms;
         }
 
-        private void UpdateStartingPosition(SubtitleTrackInfo track, long startPositionTicks)
+        private void FilterEvents(SubtitleTrackInfo track, long startPositionTicks, long? endTimeTicks, bool preserveTimestamps)
         {
-            if (startPositionTicks == 0) return;
+            // Drop subs that are earlier than what we're looking for
+            track.TrackEvents = track.TrackEvents
+                .SkipWhile(i => (i.StartPositionTicks - startPositionTicks) < 0 || (i.EndPositionTicks - startPositionTicks) < 0)
+                .ToList();
 
-            foreach (var trackEvent in track.TrackEvents)
+            if (endTimeTicks.HasValue)
             {
-                trackEvent.EndPositionTicks -= startPositionTicks;
-                trackEvent.StartPositionTicks -= startPositionTicks;
+                var endTime = endTimeTicks.Value;
+
+                track.TrackEvents = track.TrackEvents
+                    .TakeWhile(i => i.StartPositionTicks <= endTime)
+                    .ToList();
             }
 
-            track.TrackEvents = track.TrackEvents
-                .SkipWhile(i => i.StartPositionTicks < 0 || i.EndPositionTicks < 0)
-                .ToList();
+            if (!preserveTimestamps)
+            {
+                foreach (var trackEvent in track.TrackEvents)
+                {
+                    trackEvent.EndPositionTicks -= startPositionTicks;
+                    trackEvent.StartPositionTicks -= startPositionTicks;
+                }
+            }
         }
 
         public async Task<Stream> GetSubtitles(string itemId,
@@ -101,6 +114,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             int subtitleStreamIndex,
             string outputFormat,
             long startTimeTicks,
+            long? endTimeTicks,
             CancellationToken cancellationToken)
         {
             var subtitle = await GetSubtitleStream(itemId, mediaSourceId, subtitleStreamIndex, cancellationToken)
@@ -110,7 +124,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             {
                 var inputFormat = subtitle.Item2;
 
-                return await ConvertSubtitles(stream, inputFormat, outputFormat, startTimeTicks, cancellationToken).ConfigureAwait(false);
+                return await ConvertSubtitles(stream, inputFormat, outputFormat, startTimeTicks, endTimeTicks, cancellationToken).ConfigureAwait(false);
             }
         }
 
@@ -254,6 +268,10 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             {
                 return new VttWriter();
             }
+            if (string.Equals(format, SubtitleFormat.TTML, StringComparison.OrdinalIgnoreCase))
+            {
+                return new TtmlWriter();
+            }
 
             throw new ArgumentException("Unsupported format: " + format);
         }
diff --git a/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs
new file mode 100644
index 000000000..a937175f0
--- /dev/null
+++ b/MediaBrowser.MediaEncoding/Subtitles/TtmlWriter.cs
@@ -0,0 +1,59 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading;
+
+namespace MediaBrowser.MediaEncoding.Subtitles
+{
+    public class TtmlWriter : ISubtitleWriter
+    {
+        public void Write(SubtitleTrackInfo info, Stream stream, CancellationToken cancellationToken)
+        {
+            // Example: https://github.com/zmalltalker/ttml2vtt/blob/master/data/sample.xml
+            // Parser example: https://github.com/mozilla/popcorn-js/blob/master/parsers/parserTTML/popcorn.parserTTML.js
+
+            using (var writer = new StreamWriter(stream, Encoding.UTF8, 1024, true))
+            {
+                writer.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
+                writer.WriteLine("<tt xmlns=\"http://www.w3.org/ns/ttml\" xmlns:tts=\"http://www.w3.org/2006/04/ttaf1#styling\" lang=\"no\">");
+
+                writer.WriteLine("<head>");
+                writer.WriteLine("<styling>");
+                writer.WriteLine("<style id=\"italic\" tts:fontStyle=\"italic\" />");
+                writer.WriteLine("<style id=\"left\" tts:textAlign=\"left\" />");
+                writer.WriteLine("<style id=\"center\" tts:textAlign=\"center\" />");
+                writer.WriteLine("<style id=\"right\" tts:textAlign=\"right\" />");
+                writer.WriteLine("</styling>");
+                writer.WriteLine("</head>");
+
+                writer.WriteLine("<body>");
+                writer.WriteLine("<div>");
+
+                foreach (var trackEvent in info.TrackEvents)
+                {
+                    var text = trackEvent.Text;
+
+                    text = Regex.Replace(text, @"\\N", "<br/>", RegexOptions.IgnoreCase);
+
+                    writer.WriteLine("<p begin=\"{0}\" dur=\"{1}\">{2}</p>",
+                        trackEvent.StartPositionTicks,
+                        (trackEvent.EndPositionTicks - trackEvent.StartPositionTicks),
+                        text);
+                }
+
+                writer.WriteLine("</div>");
+                writer.WriteLine("</body>");
+                
+                writer.WriteLine("</tt>");
+            }
+        }
+
+        private string FormatTime(long ticks)
+        {
+            var time = TimeSpan.FromTicks(ticks);
+
+            return string.Format(@"{0:hh\:mm\:ss\,fff}", time);
+        }
+    }
+}
diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs
index 6e929564e..22e817de1 100644
--- a/MediaBrowser.Model/Dlna/StreamBuilder.cs
+++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs
@@ -2,6 +2,7 @@
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.MediaInfo;
+using MediaBrowser.Model.Session;
 using System;
 using System.Collections.Generic;
 
@@ -9,7 +10,7 @@ namespace MediaBrowser.Model.Dlna
 {
     public class StreamBuilder
     {
-        private string[] _serverTextSubtitleOutputs = new string[] { "srt", "vtt" };
+        private readonly string[] _serverTextSubtitleOutputs = { "srt", "vtt", "ttml" };
 
         public StreamInfo BuildAudioItem(AudioOptions options)
         {
@@ -158,7 +159,7 @@ namespace MediaBrowser.Model.Dlna
 
                         if (all)
                         {
-                            playlistItem.IsDirectStream = true;
+                            playlistItem.PlayMethod = PlayMethod.DirectStream;
                             playlistItem.Container = item.Container;
 
                             return playlistItem;
@@ -179,7 +180,7 @@ namespace MediaBrowser.Model.Dlna
 
             if (transcodingProfile != null)
             {
-                playlistItem.IsDirectStream = false;
+                playlistItem.PlayMethod = PlayMethod.Transcode;
                 playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
                 playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
                 playlistItem.Container = transcodingProfile.Container;
@@ -252,12 +253,12 @@ namespace MediaBrowser.Model.Dlna
 
                 if (directPlay != null)
                 {
-                    playlistItem.IsDirectStream = true;
+                    playlistItem.PlayMethod = PlayMethod.DirectStream;
                     playlistItem.Container = item.Container;
 
                     if (subtitleStream != null)
                     {
-                        playlistItem.SubtitleDeliveryMethod = GetDirectStreamSubtitleDeliveryMethod(subtitleStream, options);
+                        playlistItem.SubtitleDeliveryMethod = GetSubtitleDeliveryMethod(subtitleStream, options);
                     }
 
                     return playlistItem;
@@ -279,10 +280,10 @@ namespace MediaBrowser.Model.Dlna
             {
                 if (subtitleStream != null)
                 {
-                    playlistItem.SubtitleDeliveryMethod = GetTranscodedSubtitleDeliveryMethod(subtitleStream, options);
+                    playlistItem.SubtitleDeliveryMethod = GetSubtitleDeliveryMethod(subtitleStream, options);
                 }
 
-                playlistItem.IsDirectStream = false;
+                playlistItem.PlayMethod = PlayMethod.Transcode;
                 playlistItem.Container = transcodingProfile.Container;
                 playlistItem.EstimateContentLength = transcodingProfile.EstimateContentLength;
                 playlistItem.TranscodeSeekInfo = transcodingProfile.TranscodeSeekInfo;
@@ -499,9 +500,9 @@ namespace MediaBrowser.Model.Dlna
                     return false;
                 }
 
-                SubtitleDeliveryMethod subtitleMethod = GetDirectStreamSubtitleDeliveryMethod(subtitleStream, options);
+                SubtitleDeliveryMethod subtitleMethod = GetSubtitleDeliveryMethod(subtitleStream, options);
 
-                if (subtitleMethod != SubtitleDeliveryMethod.External && subtitleMethod != SubtitleDeliveryMethod.Direct)
+                if (subtitleMethod != SubtitleDeliveryMethod.External && subtitleMethod != SubtitleDeliveryMethod.Embed)
                 {
                     return false;
                 }
@@ -510,34 +511,7 @@ namespace MediaBrowser.Model.Dlna
             return IsAudioEligibleForDirectPlay(item, maxBitrate);
         }
 
-        private SubtitleDeliveryMethod GetDirectStreamSubtitleDeliveryMethod(MediaStream subtitleStream,
-            VideoOptions options)
-        {
-            if (subtitleStream.IsTextSubtitleStream)
-            {
-                string subtitleFormat = NormalizeSubtitleFormat(subtitleStream.Codec);
-
-                bool supportsDirect = ContainsSubtitleFormat(options.Profile.SoftSubtitleProfiles, new[] { subtitleFormat });
-
-                if (supportsDirect)
-                {
-                    return SubtitleDeliveryMethod.Direct;
-                }
-                
-                // See if the device can retrieve the subtitles externally
-                bool supportsSubsExternally = options.Context == EncodingContext.Streaming &&
-                    ContainsSubtitleFormat(options.Profile.ExternalSubtitleProfiles, _serverTextSubtitleOutputs);
-
-                if (supportsSubsExternally)
-                {
-                    return SubtitleDeliveryMethod.External;
-                }
-            }
-
-            return SubtitleDeliveryMethod.Encode;
-        }
-
-        private SubtitleDeliveryMethod GetTranscodedSubtitleDeliveryMethod(MediaStream subtitleStream,
+        private SubtitleDeliveryMethod GetSubtitleDeliveryMethod(MediaStream subtitleStream,
             VideoOptions options)
         {
             if (subtitleStream.IsTextSubtitleStream)
diff --git a/MediaBrowser.Model/Dlna/StreamInfo.cs b/MediaBrowser.Model/Dlna/StreamInfo.cs
index 8bf9f2a04..4f02d6450 100644
--- a/MediaBrowser.Model/Dlna/StreamInfo.cs
+++ b/MediaBrowser.Model/Dlna/StreamInfo.cs
@@ -3,6 +3,7 @@ using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.MediaInfo;
+using MediaBrowser.Model.Session;
 using System;
 using System.Collections.Generic;
 
@@ -15,7 +16,7 @@ namespace MediaBrowser.Model.Dlna
     {
         public string ItemId { get; set; }
 
-        public bool IsDirectStream { get; set; }
+        public PlayMethod PlayMethod { get; set; }
 
         public DlnaProfileType MediaType { get; set; }
 
@@ -59,6 +60,7 @@ namespace MediaBrowser.Model.Dlna
         public MediaSourceInfo MediaSource { get; set; }
 
         public SubtitleDeliveryMethod SubtitleDeliveryMethod { get; set; }
+        public string SubtitleFormat { get; set; }
 
         public string MediaSourceId
         {
@@ -68,6 +70,11 @@ namespace MediaBrowser.Model.Dlna
             }
         }
 
+        public bool IsDirectStream
+        {
+            get { return PlayMethod == PlayMethod.DirectStream; }
+        }
+
         public string ToUrl(string baseUrl)
         {
             return ToDlnaUrl(baseUrl);
@@ -124,6 +131,32 @@ namespace MediaBrowser.Model.Dlna
             return string.Format("Params={0}", string.Join(";", list.ToArray()));
         }
 
+        public string ToSubtitleUrl(string baseUrl)
+        {
+            if (SubtitleDeliveryMethod != SubtitleDeliveryMethod.External)
+            {
+                return null;
+            }
+
+            if (!SubtitleStreamIndex.HasValue)
+            {
+                return null;
+            }
+
+            // HLS will preserve timestamps so we can just grab the full subtitle stream
+            long startPositionTicks = StringHelper.EqualsIgnoreCase(Protocol, "hls")
+                ? 0
+                : StartPositionTicks;
+
+            return string.Format("{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}", 
+                baseUrl,
+                ItemId,
+                MediaSourceId,
+                StringHelper.ToStringCultureInvariant(SubtitleStreamIndex.Value),
+                StringHelper.ToStringCultureInvariant(startPositionTicks),
+                SubtitleFormat);
+        }
+
         /// <summary>
         /// Returns the audio stream that will be used
         /// </summary>
@@ -437,16 +470,12 @@ namespace MediaBrowser.Model.Dlna
         /// </summary>
         Encode = 0,
         /// <summary>
-        /// Internal format is supported natively
-        /// </summary>
-        Direct = 1,
-        /// <summary>
         /// The embed
         /// </summary>
-        Embed = 2,
+        Embed = 1,
         /// <summary>
         /// The external
         /// </summary>
-        External = 3
+        External = 2
     }
 }
diff --git a/MediaBrowser.Model/Dlna/SubtitleProfile.cs b/MediaBrowser.Model/Dlna/SubtitleProfile.cs
index ec38d96ae..7aa5e1771 100644
--- a/MediaBrowser.Model/Dlna/SubtitleProfile.cs
+++ b/MediaBrowser.Model/Dlna/SubtitleProfile.cs
@@ -1,8 +1,13 @@
-
+using System.Xml.Serialization;
+
 namespace MediaBrowser.Model.Dlna
 {
     public class SubtitleProfile
     {
+        [XmlAttribute("format")]
         public string Format { get; set; }
+
+        [XmlAttribute("protocol")]
+        public string Protocol { get; set; }
     }
-}
+}
\ No newline at end of file
diff --git a/MediaBrowser.Model/Dto/BaseItemDto.cs b/MediaBrowser.Model/Dto/BaseItemDto.cs
index 9581b5740..32bf4b816 100644
--- a/MediaBrowser.Model/Dto/BaseItemDto.cs
+++ b/MediaBrowser.Model/Dto/BaseItemDto.cs
@@ -526,6 +526,12 @@ namespace MediaBrowser.Model.Dto
         }
 
         /// <summary>
+        /// Gets or sets a value indicating whether [supports playlists].
+        /// </summary>
+        /// <value><c>true</c> if [supports playlists]; otherwise, <c>false</c>.</value>
+        public bool SupportsPlaylists { get; set; }
+
+        /// <summary>
         /// Determines whether the specified type is type.
         /// </summary>
         /// <param name="type">The type.</param>
@@ -632,12 +638,6 @@ namespace MediaBrowser.Model.Dto
         public string MediaType { get; set; }
 
         /// <summary>
-        /// Gets or sets the overview HTML.
-        /// </summary>
-        /// <value>The overview HTML.</value>
-        public string OverviewHtml { get; set; }
-
-        /// <summary>
         /// Gets or sets the end date.
         /// </summary>
         /// <value>The end date.</value>
diff --git a/MediaBrowser.Model/MediaInfo/SubtitleFormat.cs b/MediaBrowser.Model/MediaInfo/SubtitleFormat.cs
index 7e9cdf53f..60b0bb54d 100644
--- a/MediaBrowser.Model/MediaInfo/SubtitleFormat.cs
+++ b/MediaBrowser.Model/MediaInfo/SubtitleFormat.cs
@@ -8,5 +8,6 @@
         public const string VTT = "vtt";
         public const string SUB = "sub";
         public const string SMI = "smi";
+        public const string TTML = "ttml";
     }
 }
\ No newline at end of file
diff --git a/MediaBrowser.Providers/MediaBrowser.Providers.csproj b/MediaBrowser.Providers/MediaBrowser.Providers.csproj
index 5fb7ef11b..a1c229f9b 100644
--- a/MediaBrowser.Providers/MediaBrowser.Providers.csproj
+++ b/MediaBrowser.Providers/MediaBrowser.Providers.csproj
@@ -147,6 +147,7 @@
     <Compile Include="Photos\PhotoHelper.cs" />
     <Compile Include="Photos\PhotoMetadataService.cs" />
     <Compile Include="Photos\PhotoProvider.cs" />
+    <Compile Include="Playlists\PlaylistMetadataService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Manager\ProviderUtils.cs" />
     <Compile Include="Studios\StudiosImageProvider.cs" />
diff --git a/MediaBrowser.Providers/Playlists/PlaylistMetadataService.cs b/MediaBrowser.Providers/Playlists/PlaylistMetadataService.cs
new file mode 100644
index 000000000..d7615eb02
--- /dev/null
+++ b/MediaBrowser.Providers/Playlists/PlaylistMetadataService.cs
@@ -0,0 +1,47 @@
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Playlists;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Providers.Manager;
+using System.Collections.Generic;
+
+namespace MediaBrowser.Providers.Playlists
+{
+    class PlaylistMetadataService : MetadataService<Playlist, ItemLookupInfo>
+    {
+        public PlaylistMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IProviderRepository providerRepo, IFileSystem fileSystem)
+            : base(serverConfigurationManager, logger, providerManager, providerRepo, fileSystem)
+        {
+        }
+
+        /// <summary>
+        /// Merges the specified source.
+        /// </summary>
+        /// <param name="source">The source.</param>
+        /// <param name="target">The target.</param>
+        /// <param name="lockedFields">The locked fields.</param>
+        /// <param name="replaceData">if set to <c>true</c> [replace data].</param>
+        /// <param name="mergeMetadataSettings">if set to <c>true</c> [merge metadata settings].</param>
+        protected override void MergeData(Playlist source, Playlist target, List<MetadataFields> lockedFields, bool replaceData, bool mergeMetadataSettings)
+        {
+            ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
+
+            if (replaceData || string.IsNullOrEmpty(target.PlaylistMediaType))
+            {
+                target.PlaylistMediaType = source.PlaylistMediaType;
+            }
+
+            if (replaceData || string.IsNullOrEmpty(target.OwnerUserId))
+            {
+                target.OwnerUserId = source.OwnerUserId;
+            }
+
+            if (mergeMetadataSettings)
+            {
+                target.LinkedChildren = source.LinkedChildren;
+            }
+        }
+    }
+}
diff --git a/MediaBrowser.Server.Implementations/Dto/DtoService.cs b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
index e3a386841..ace794b19 100644
--- a/MediaBrowser.Server.Implementations/Dto/DtoService.cs
+++ b/MediaBrowser.Server.Implementations/Dto/DtoService.cs
@@ -112,6 +112,8 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             var dto = new BaseItemDto();
 
+            dto.SupportsPlaylists = item.SupportsAddingToPlaylist;
+
             if (fields.Contains(ItemFields.People))
             {
                 AttachPeople(dto, item);
@@ -849,17 +851,7 @@ namespace MediaBrowser.Server.Implementations.Dto
 
             if (fields.Contains(ItemFields.Overview))
             {
-                // TODO: Remove this after a while, since it's been moved to the providers
-                if (item is MusicArtist)
-                {
-                    var strippedOverview = string.IsNullOrEmpty(item.Overview) ? item.Overview : item.Overview.StripHtml();
-
-                    dto.Overview = strippedOverview;
-                }
-                else
-                {
-                    dto.Overview = item.Overview;
-                }
+                dto.Overview = item.Overview;
             }
 
             if (fields.Contains(ItemFields.ShortOverview))
diff --git a/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs b/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
index 251acb02d..8ffe8aa63 100644
--- a/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -12,7 +12,6 @@ using MediaBrowser.Controller.Localization;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Controller.Sorting;
-using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.LiveTv;
diff --git a/MediaBrowser.Server.Implementations/Udp/UdpServer.cs b/MediaBrowser.Server.Implementations/Udp/UdpServer.cs
index e4626bec6..9028b540f 100644
--- a/MediaBrowser.Server.Implementations/Udp/UdpServer.cs
+++ b/MediaBrowser.Server.Implementations/Udp/UdpServer.cs
@@ -124,7 +124,7 @@ namespace MediaBrowser.Server.Implementations.Udp
                 {
                     Address = serverAddress,
                     Id = _appHost.ServerId,
-                    Name = _appHost.Name
+                    Name = _appHost.FriendlyName
                 };
 
                 await SendAsync(Encoding.UTF8.GetBytes(_json.SerializeToString(response)), endpoint);
diff --git a/MediaBrowser.ServerApplication/ApplicationHost.cs b/MediaBrowser.ServerApplication/ApplicationHost.cs
index 993cc4e1a..a4ac7e0ba 100644
--- a/MediaBrowser.ServerApplication/ApplicationHost.cs
+++ b/MediaBrowser.ServerApplication/ApplicationHost.cs
@@ -1058,10 +1058,20 @@ namespace MediaBrowser.ServerApplication
                 SupportsAutoRunAtStartup = SupportsAutoRunAtStartup,
                 TranscodingTempPath = ApplicationPaths.TranscodingTempPath,
                 IsRunningAsService = IsRunningAsService,
-                ServerName = string.IsNullOrWhiteSpace(ServerConfigurationManager.Configuration.ServerName) ? Environment.MachineName : ServerConfigurationManager.Configuration.ServerName
+                ServerName = FriendlyName
             };
         }
 
+        public string FriendlyName
+        {
+            get
+            {
+                return string.IsNullOrWhiteSpace(ServerConfigurationManager.Configuration.ServerName)
+                    ? Environment.MachineName
+                    : ServerConfigurationManager.Configuration.ServerName;
+            }
+        }
+
         public int HttpServerPort
         {
             get { return ServerConfigurationManager.Configuration.HttpServerPortNumber; }