samples dash-if-reference-player: store persistent session ids, and reuse them when reloading the streaml

Author: bbert

samples/dash-if-reference-player/app/main.js

@@ -201,6 +201,10 @@ app.controller('DashController', function ($scope, sources, contributors, dashif
     $scope.fastSwitchSelected = true;
     $scope.ABRStrategy = 'abrDynamic';
 
+    // Persistent license
+    $scope.licenseSessionId = {};
+    $scope.selectedKeySystem = null;
+
     // Error management
     $scope.error = '';
     $scope.errorType = '';
@@ -294,6 +298,20 @@ app.controller('DashController', function ($scope, sources, contributors, dashif
         }
     }, $scope);
 
+    $scope.player.on(dashjs.MediaPlayer.events.KEY_SYSTEM_SELECTED, function (e) { /* jshint ignore:line */
+        if (e.data) {
+            $scope.selectedKeySystem = e.data.keySystem.systemString;
+        }
+    }, $scope);
+
+    $scope.player.on(dashjs.MediaPlayer.events.KEY_SESSION_CREATED, function (e) { /* jshint ignore:line */
+        if (e.data) {
+            var session = e.data;
+            if (session.getSessionType() === 'persistent-license') {
+                $scope.licenseSessionId[$scope.selectedItem.url] = session.getSessionID();
+            }
+        }
+    }, $scope);
 
     ////////////////////////////////////////
     //
@@ -366,6 +384,12 @@ app.controller('DashController', function ($scope, sources, contributors, dashif
             protData = null;
         }
 
+        // Check if persistent license session ID is stored for current stream
+        var sessionId = $scope.licenseSessionId[$scope.selectedItem.url];
+        if (sessionId) {
+            protData[$scope.selectedKeySystem].sessionId = sessionId;
+        }
+
         var bufferConfig = {
             liveDelay: $scope.defaultLiveDelay,
             stableBufferTime: $scope.defaultStableBufferDelay,