update hdhr stream

MediaBrowser.Model/Dlna/StreamBuilder.cs

@@ -509,6 +509,10 @@ namespace MediaBrowser.Model.Dlna
         private int GetAudioBitrate(int? maxTotalBitrate, int? targetAudioChannels, string targetAudioCodec, MediaStream audioStream)
         {
             var defaultBitrate = 128000;
+            if (StringHelper.EqualsIgnoreCase(targetAudioCodec, "ac3"))
+            {
+                defaultBitrate = 192000;
+            }
 
             if (targetAudioChannels.HasValue)
             {

MediaBrowser.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs

@@ -354,8 +354,8 @@ namespace MediaBrowser.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 BufferMs = 0,
                 Container = "ts",
                 Id = profile,
-                SupportsDirectPlay = true,
-                SupportsDirectStream = true,
+                SupportsDirectPlay = false,
+                SupportsDirectStream = false,
                 SupportsTranscoding = true
             };