use bind

src/flash-source-buffer.js

@@ -182,18 +182,16 @@ export default class FlashSourceBuffer extends videojs.EventTarget {
       removeCuesFromTrack(0, Infinity, this.inbandTextTrack_);
     });
 
-    this.mediaSource_.player_.tech_.on('hls-reset', this.resetHls);
+    let onHlsReset = this.onHlsReset_.bind(this);
+
+    this.mediaSource_.player_.tech_.on('hls-reset', onHlsReset);
 
     this.mediaSource_.player_.tech_.hls.on('dispose', () => {
       this.transmuxer_.terminate();
-      this.mediaSource_.player_.tech_.off('hls-reset', this.resetHls);
+      this.mediaSource_.player_.tech_.off('hls-reset', onHlsReset);
     });
   }
 
-  resetHls() {
-    this.transmuxer_.postMessage({action: 'resetCaptions'});
-  }
-
   /**
    * Append bytes to the sourcebuffers buffer, in this case we
    * have to append it to swf object.
@@ -546,4 +544,8 @@ export default class FlashSourceBuffer extends videojs.EventTarget {
 
     return tags;
   }
+
+  onHlsReset_() {
+    this.transmuxer_.postMessage({action: 'resetCaptions'});
+  }
 }

src/html-media-source.js

@@ -159,7 +159,7 @@ export default class HtmlMediaSource extends videojs.EventTarget {
       });
     };
 
-    this.onResetHls_ = () => {
+    this.onHlsReset_ = () => {
       this.sourceBuffers.forEach((sourceBuffer) => {
         if (sourceBuffer.transmuxer_) {
           sourceBuffer.transmuxer_.postMessage({action: 'resetCaptions'});
@@ -188,7 +188,7 @@ export default class HtmlMediaSource extends videojs.EventTarget {
 
       this.player_ = videojs(video.parentNode);
 
-      this.player_.tech_.on('hls-reset', this.onResetHls_);
+      this.player_.tech_.on('hls-reset', this.onHlsReset_);
 
       if (this.player_.audioTracks && this.player_.audioTracks()) {
         this.player_.audioTracks().on('change', this.updateActiveSourceBuffers_);
@@ -240,7 +240,7 @@ export default class HtmlMediaSource extends videojs.EventTarget {
       // event handlers left to unbind anyway
       if (this.player_.el_) {
         this.player_.off('mediachange', this.onPlayerMediachange_);
-        this.player_.tech_.off('hls-reset', this.onResetHls_);
+        this.player_.tech_.off('hls-reset', this.onHlsReset_);
       }
     });
   }