restore localized guids switch

3 files changed, 72 insertions, 7 deletions

diff --git a/MediaBrowser.Model/Dlna/ITranscoderSupport.cs b/MediaBrowser.Model/Dlna/ITranscoderSupport.cs
index 0dac234032..fd615733d3 100644
--- a/MediaBrowser.Model/Dlna/ITranscoderSupport.cs
+++ b/MediaBrowser.Model/Dlna/ITranscoderSupport.cs
@@ -3,6 +3,7 @@
     public interface ITranscoderSupport
     {
         bool CanEncodeToAudioCodec(string codec);
+        bool CanEncodeToSubtitleCodec(string codec);
     }
 
     public class FullTranscoderSupport : ITranscoderSupport
@@ -11,5 +12,9 @@
         {
             return true;
         }
+        public bool CanEncodeToSubtitleCodec(string codec)
+        {
+            return true;
+        }
     }
 }
diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs
index 262964404e..129b49cf67 100644
--- a/MediaBrowser.Model/Dlna/StreamBuilder.cs
+++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs
@@ -435,7 +435,7 @@ namespace MediaBrowser.Model.Dlna
 
                     if (subtitleStream != null)
                     {
-                        SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value);
+                        SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value, null, null);
 
                         playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                         playlistItem.SubtitleFormat = subtitleProfile.Format;
@@ -465,10 +465,11 @@ namespace MediaBrowser.Model.Dlna
 
                 if (subtitleStream != null)
                 {
-                    SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode);
+                    SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode, transcodingProfile.Protocol, transcodingProfile.Container);
 
                     playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                     playlistItem.SubtitleFormat = subtitleProfile.Format;
+                    playlistItem.SubtitleCodecs = new[] { subtitleProfile.Format };
                 }
 
                 playlistItem.PlayMethod = PlayMethod.Transcode;
@@ -874,7 +875,7 @@ namespace MediaBrowser.Model.Dlna
         {
             if (subtitleStream != null)
             {
-                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, playMethod);
+                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, playMethod, null, null);
 
                 if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
                 {
@@ -886,11 +887,11 @@ namespace MediaBrowser.Model.Dlna
             return IsAudioEligibleForDirectPlay(item, maxBitrate);
         }
 
-        public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod)
+        public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, string transcodingSubProtocol, string transcodingContainer)
         {
-            if (playMethod != PlayMethod.Transcode && !subtitleStream.IsExternal)
+            if (!subtitleStream.IsExternal && (playMethod != PlayMethod.Transcode || !string.Equals(transcodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)))
             {
-                // Look for supported embedded subs
+                // Look for supported embedded subs of the same format
                 foreach (SubtitleProfile profile in subtitleProfiles)
                 {
                     if (!profile.SupportsLanguage(subtitleStream.Language))
@@ -903,11 +904,40 @@ namespace MediaBrowser.Model.Dlna
                         continue;
                     }
 
+                    if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(subtitleStream, profile, transcodingSubProtocol, transcodingContainer))
+                    {
+                        continue;
+                    }
+
                     if (subtitleStream.IsTextSubtitleStream == MediaStream.IsTextFormat(profile.Format) && StringHelper.EqualsIgnoreCase(profile.Format, subtitleStream.Codec))
                     {
                         return profile;
                     }
                 }
+
+                // Look for supported embedded subs of a convertible format
+                foreach (SubtitleProfile profile in subtitleProfiles)
+                {
+                    if (!profile.SupportsLanguage(subtitleStream.Language))
+                    {
+                        continue;
+                    }
+
+                    if (profile.Method != SubtitleDeliveryMethod.Embed)
+                    {
+                        continue;
+                    }
+
+                    if (playMethod == PlayMethod.Transcode && !IsSubtitleEmbedSupported(subtitleStream, profile, transcodingSubProtocol, transcodingContainer))
+                    {
+                        continue;
+                    }
+
+                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsSubtitleConversionTo(profile.Format))
+                    {
+                        return profile;
+                    }
+                }
             }
 
             // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
@@ -918,6 +948,28 @@ namespace MediaBrowser.Model.Dlna
             };
         }
 
+        private static bool IsSubtitleEmbedSupported(MediaStream subtitleStream, SubtitleProfile subtitleProfile, string transcodingSubProtocol, string transcodingContainer)
+        {
+            if (string.Equals(transcodingContainer, "ts", StringComparison.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+            if (string.Equals(transcodingContainer, "mpegts", StringComparison.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+            if (string.Equals(transcodingContainer, "mp4", StringComparison.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+            if (string.Equals(transcodingContainer, "mkv", StringComparison.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+
+            return false;
+        }
+
         private static SubtitleProfile GetExternalSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, bool allowConversion)
         {
             foreach (SubtitleProfile profile in subtitleProfiles)
diff --git a/MediaBrowser.Model/Dlna/StreamInfo.cs b/MediaBrowser.Model/Dlna/StreamInfo.cs
index 5b8d40dfb8..a85e6085b2 100644
--- a/MediaBrowser.Model/Dlna/StreamInfo.cs
+++ b/MediaBrowser.Model/Dlna/StreamInfo.cs
@@ -18,6 +18,7 @@ namespace MediaBrowser.Model.Dlna
         public StreamInfo()
         {
             AudioCodecs = new string[] { };
+            SubtitleCodecs = new string[] { };
         }
 
         public string ItemId { get; set; }
@@ -74,6 +75,7 @@ namespace MediaBrowser.Model.Dlna
 
         public MediaSourceInfo MediaSource { get; set; }
 
+        public string[] SubtitleCodecs { get; set; }
         public SubtitleDeliveryMethod SubtitleDeliveryMethod { get; set; }
         public string SubtitleFormat { get; set; }
 
@@ -268,6 +270,12 @@ namespace MediaBrowser.Model.Dlna
             list.Add(new NameValuePair("Tag", item.MediaSource.ETag ?? string.Empty));
             list.Add(new NameValuePair("RequireAvc", item.RequireAvc.ToString().ToLower()));
 
+            string subtitleCodecs = item.SubtitleCodecs.Length == 0 ?
+               string.Empty :
+               string.Join(",", item.SubtitleCodecs);
+
+            list.Add(new NameValuePair("SubtitleCodec", item.SubtitleStreamIndex.HasValue && item.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Embed ? subtitleCodecs : string.Empty));
+
             return list;
         }
 
@@ -354,7 +362,7 @@ namespace MediaBrowser.Model.Dlna
 
         private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream, string baseUrl, string accessToken, long startPositionTicks, SubtitleProfile[] subtitleProfiles)
         {
-            SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, PlayMethod);
+            SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, PlayMethod, SubProtocol, Container);
             SubtitleStreamInfo info = new SubtitleStreamInfo
             {
                 IsForced = stream.IsForced,