update subtitles

2 files changed, 28 insertions, 16 deletions

diff --git a/MediaBrowser.Model/Dlna/StreamBuilder.cs b/MediaBrowser.Model/Dlna/StreamBuilder.cs
index b04f1b0fb4..a080011eca 100644
--- a/MediaBrowser.Model/Dlna/StreamBuilder.cs
+++ b/MediaBrowser.Model/Dlna/StreamBuilder.cs
@@ -383,7 +383,7 @@ namespace MediaBrowser.Model.Dlna
 
                     if (subtitleStream != null)
                     {
-                        SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context, directPlay.Value);
+                        SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, directPlay.Value);
 
                         playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                         playlistItem.SubtitleFormat = subtitleProfile.Format;
@@ -413,7 +413,7 @@ namespace MediaBrowser.Model.Dlna
 
                 if (subtitleStream != null)
                 {
-                    SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context, PlayMethod.Transcode);
+                    SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, PlayMethod.Transcode);
 
                     playlistItem.SubtitleDeliveryMethod = subtitleProfile.Method;
                     playlistItem.SubtitleFormat = subtitleProfile.Format;
@@ -739,7 +739,7 @@ namespace MediaBrowser.Model.Dlna
         {
             if (subtitleStream != null)
             {
-                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, options.Context, playMethod);
+                SubtitleProfile subtitleProfile = GetSubtitleProfile(subtitleStream, options.Profile.SubtitleProfiles, playMethod);
 
                 if (subtitleProfile.Method != SubtitleDeliveryMethod.External && subtitleProfile.Method != SubtitleDeliveryMethod.Embed)
                 {
@@ -751,7 +751,7 @@ namespace MediaBrowser.Model.Dlna
             return IsAudioEligibleForDirectPlay(item, maxBitrate);
         }
 
-        public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, EncodingContext context, PlayMethod playMethod)
+        public static SubtitleProfile GetSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod)
         {
             if (playMethod != PlayMethod.Transcode && !subtitleStream.IsExternal)
             {
@@ -775,7 +775,16 @@ namespace MediaBrowser.Model.Dlna
                 }
             }
 
-            // Look for an external profile that matches the stream type (text/graphical)
+            // Look for an external or hls profile that matches the stream type (text/graphical) and doesn't require conversion
+            return GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? GetExternalSubtitleProfile(subtitleStream, subtitleProfiles, playMethod, false) ?? new SubtitleProfile
+            {
+                Method = SubtitleDeliveryMethod.Encode,
+                Format = subtitleStream.Codec
+            };
+        }
+
+        private static SubtitleProfile GetExternalSubtitleProfile(MediaStream subtitleStream, SubtitleProfile[] subtitleProfiles, PlayMethod playMethod, bool allowConversion)
+        {
             foreach (SubtitleProfile profile in subtitleProfiles)
             {
                 if (profile.Method != SubtitleDeliveryMethod.External && profile.Method != SubtitleDeliveryMethod.Hls)
@@ -798,21 +807,24 @@ namespace MediaBrowser.Model.Dlna
                 {
                     bool requiresConversion = !StringHelper.EqualsIgnoreCase(subtitleStream.Codec, profile.Format);
 
-                    if (subtitleStream.IsTextSubtitleStream || !requiresConversion)
+                    if (requiresConversion && !allowConversion)
                     {
-                        if (subtitleStream.SupportsExternalStream)
-                        {
-                            return profile;
-                        }
+                        continue;
+                    }
+
+                    if (!requiresConversion)
+                    {
+                        return profile;
+                    }
+
+                    if (subtitleStream.IsTextSubtitleStream && subtitleStream.SupportsExternalStream)
+                    {
+                        return profile;
                     }
                 }
             }
 
-            return new SubtitleProfile
-            {
-                Method = SubtitleDeliveryMethod.Encode,
-                Format = subtitleStream.Codec
-            };
+            return null;
         }
 
         private bool IsAudioEligibleForDirectPlay(MediaSourceInfo item, int? maxBitrate)
diff --git a/MediaBrowser.Model/Dlna/StreamInfo.cs b/MediaBrowser.Model/Dlna/StreamInfo.cs
index f78047d474..436ed20712 100644
--- a/MediaBrowser.Model/Dlna/StreamInfo.cs
+++ b/MediaBrowser.Model/Dlna/StreamInfo.cs
@@ -321,7 +321,7 @@ namespace MediaBrowser.Model.Dlna
 
         private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream, string baseUrl, string accessToken, long startPositionTicks, SubtitleProfile[] subtitleProfiles)
         {
-            SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, Context, PlayMethod);
+            SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, PlayMethod);
             SubtitleStreamInfo info = new SubtitleStreamInfo
             {
                 IsForced = stream.IsForced,