Merge pull request #613 from redSpoutnik/reset-subtitle-sync

reset subtitle offset on next episode play

src/components/htmlvideoplayer/plugin.js

@@ -188,7 +188,7 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
         var currentAssRenderer;
         var customTrackIndex = -1;
 
-        var showTrackOffset = false;
+        var showTrackOffset;
         var currentTrackOffset;
 
         var videoSubtitlesElem;
@@ -280,6 +280,8 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
 
             self._currentTime = null;
 
+            self.resetSubtitleOffset();
+
             return createMediaElement(options).then(function (elem) {
 
                 return updateVideoUrl(options, options.mediaSource).then(function () {
@@ -556,6 +558,11 @@ define(['browser', 'require', 'events', 'apphost', 'loading', 'dom', 'playbackMa
             setCurrentTrackElement(index);
         };
 
+        self.resetSubtitleOffset = function() {
+            currentTrackOffset = 0;
+            showTrackOffset = false;
+        }
+
         self.enableShowingSubtitleOffset = function() {
             showTrackOffset = true;
         }