Opencv.js face detection

@@ -83,7 +83,9 @@ if (navigator.mediaDevices.getUserMedia){
         }
     }
     // schedule the first one.
-    setTimeout(processVideo, 0);
+    cv['onRuntimeInitialized']=()=>{
+        setTimeout(processVideo, 0);
+    }
 </script>
 </body>
 </html>