hls fixes

MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs

@@ -290,7 +290,9 @@ namespace MediaBrowser.Api.Playback.Hls
             {
                 using (var reader = new StreamReader(fileStream))
                 {
-                    var text = await reader.ReadToEndAsync().ConfigureAwait(false);
+                    while (!reader.EndOfStream)
+                    {
+                        var text = await reader.ReadLineAsync().ConfigureAwait(false);
 
                         // If it appears in the playlist, it's done
                         if (text.IndexOf(segmentFilename, StringComparison.OrdinalIgnoreCase) != -1)
@@ -299,6 +301,7 @@ namespace MediaBrowser.Api.Playback.Hls
                         }
                     }
                 }
+            }
 
             // if a different file is encoding, it's done
             //var currentTranscodingIndex = GetCurrentTranscodingIndex(playlistPath);

MediaBrowser.Api/Playback/StreamState.cs

@@ -66,7 +66,7 @@ namespace MediaBrowser.Api.Playback
         public string LiveTvStreamId { get; set; }
 
         public int SegmentLength = 3;
-        public bool EnableGenericHlsSegmenter;
+        public bool EnableGenericHlsSegmenter = false;
         public int HlsListSize
         {
             get