From 4589227e3a036e3f93ad450fd4df66274044fe38 Mon Sep 17 00:00:00 2001
From: Nicolas ANGOT <nicolas.angot@orange.com>
Date: Fri, 3 Feb 2017 16:49:26 +0100
Subject: [PATCH] the chart is drawn only for video and audio data.

---
 samples/dash-if-reference-player/app/main.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/samples/dash-if-reference-player/app/main.js b/samples/dash-if-reference-player/app/main.js
index 12740f8b6a..d12cfe53e3 100644
--- a/samples/dash-if-reference-player/app/main.js
+++ b/samples/dash-if-reference-player/app/main.js
@@ -599,10 +599,13 @@ app.controller('DashController', function($scope, sources, contributors) {
 
     $scope.plotPoint = function(name, type, value) {
         if ($scope.chartEnabled) {
-            var data = $scope.chartState[type][name].data;
-            data.push([$scope.video.currentTime, value]);
-            if (data.length > $scope.maxPointsToChart) {
-                data.splice(0, 1);
+            var specificChart = $scope.chartState[type];
+            if (specificChart) {
+                var data = specificChart[name].data;
+                data.push([$scope.video.currentTime, value]);
+                if (data.length > $scope.maxPointsToChart) {
+                    data.splice(0, 1);
+                }
             }
         }
         $scope.safeApply();