stream-controller: protect immediateLevelSwitch() against undefined e…

…rror exception related to https://github.com/dailymotion/hls.js/issues/530
video-dev · Jul 4, 2016 · 5ddffac · 5ddffac
1 parent ecb284a
commit 5ddffac
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/src/controller/stream-controller.js b/src/controller/stream-controller.js
@@ -565,8 +565,15 @@ class StreamController extends EventHandler {
     logger.log('immediateLevelSwitch');
     if (!this.immediateSwitch) {
       this.immediateSwitch = true;
-      this.previouslyPaused = this.media.paused;
-      this.media.pause();
+      let media = this.media, previouslyPaused;
+      if (media) {
+        previouslyPaused = media.paused;
+        media.pause();
+      } else {
+        // don't restart playback after instant level switch in case media not attached
+        previouslyPaused = true;
+      }
+      this.previouslyPaused = previouslyPaused;
     }
     var fragCurrent = this.fragCurrent;
     if (fragCurrent && fragCurrent.loader) {