/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
goog.provide('shaka.ads.AdManager');
goog.require('goog.asserts');
goog.require('shaka.Deprecate');
goog.require('shaka.Player');
goog.require('shaka.ads.AdsStats');
goog.require('shaka.ads.ClientSideAdManager');
goog.require('shaka.ads.MediaTailorAdManager');
goog.require('shaka.ads.ServerSideAdManager');
goog.require('shaka.log');
goog.require('shaka.util.Error');
goog.require('shaka.util.FakeEvent');
goog.require('shaka.util.FakeEventTarget');
goog.require('shaka.util.IReleasable');
/**
* @event shaka.ads.AdManager.AdsLoadedEvent
* @description Fired when a sequence of ads has been loaded.
* @property {string} type
* 'ads-loaded'
* @property {number} loadTime
* The time it takes to load ads.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdStartedEvent
* @description Fired when an ad has started playing.
* @property {string} type
* 'ad-started'
* @property {!shaka.extern.IAd} ad
* The ad that has started playing.
* @property {Object} sdkAdObject
* The ad object in the SDK format, if there is one.
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdCompleteEvent
* @description Fired when an ad has played through.
* @property {string} type
* 'ad-complete'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdSkippedEvent
* @description Fired when an ad has been skipped.
* @property {string} type
* 'ad-skipped'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdFirstQuartileEvent
* @description Fired when an ad has played through the first 1/4.
* @property {string} type
* 'ad-first-quartile'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdMidpointEvent
* @description Fired when an ad has played through its midpoint.
* @property {string} type
* 'ad-midpoint'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdThirdQuartileEvent
* @description Fired when an ad has played through the third quartile.
* @property {string} type
* 'ad-third-quartile'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdStoppedEvent
* @description Fired when an ad has stopped playing, was skipped,
* or was unable to proceed due to an error.
* @property {string} type
* 'ad-stopped'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdVolumeChangedEvent
* @description Fired when an ad's volume changed.
* @property {string} type
* 'ad-volume-changed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdMutedEvent
* @description Fired when an ad was muted.
* @property {string} type
* 'ad-muted'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdPausedEvent
* @description Fired when an ad was paused.
* @property {string} type
* 'ad-paused'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdResumedEvent
* @description Fired when an ad was resumed after a pause.
* @property {string} type
* 'ad-resumed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdSkipStateChangedEvent
* @description Fired when an ad's skip state changes (for example, when
* it becomes possible to skip the ad).
* @property {string} type
* 'ad-skip-state-changed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdResumedEvent
* @description Fired when the ad cue points change, signalling ad breaks
* change.
* @property {string} type
* 'ad-cue-points-changed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdProgressEvent
* @description Fired when there is an update to the current ad's progress.
* @property {string} type
* 'ad-progress'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdBufferingEvent
* @description Fired when the ad has stalled playback to buffer.
* @property {string} type
* 'ad-buffering'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdImpressionEvent
* @description Fired when the impression URL has been pinged.
* @property {string} type
* 'ad-impression'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdClickEvent
* @description Fired when the ad was clicked.
* @property {string} type
* 'ad-clicked'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdDurationChangedEvent
* @description Fired when the ad's duration changes.
* @property {string} type
* 'ad-duration-changed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdClosedEvent
* @description Fired when the ad was closed by the user.
* @property {string} type
* 'ad-closed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdLoadedEvent
* @description Fired when the ad data becomes available.
* @property {string} type
* 'ad-loaded'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AllAdsCompletedEvent
* @description Fired when the ads manager is done playing all the ads.
* @property {string} type
* 'all-ads-completed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdLinearChangedEvent
* @description Fired when the displayed ad changes from
* linear to nonlinear, or vice versa.
* @property {string} type
* 'ad-linear-changed'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdMetadataEvent
* @description Fired when the ad's metadata becomes available.
* @property {string} type
* 'ad-metadata'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager#AdBreakReadyEvent
* @description Fired when the client-side SDK is ready to play a
* VPAID ad or an ad rule.
* @property {string} type
* 'ad-break-ready'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdRecoverableErrorEvent
* @description Fired when the a non-fatal error was encountered.
* The presentation will continue with the same or next ad playback
* depending on the error situation.
* @property {string} type
* 'ad-recoverable-error'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AD_ERROR
* @description Fired when a fatal error is encountered.
* @property {string} type
* 'ad-error'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdInteractionEvent
* @description Fired when an ad triggers the interaction callback.
* @property {string} type
* 'ad-interaction'
* @property {Object} originalEvent
* The native SDK event, if available.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager#ImaAdManagerLoadedEvent
* @description Fired when the native IMA ad manager becomes available.
* @property {string} type
* 'ima-ad-manager-loaded'
* @property {!Object} imaAdManager
* The native IMA ad manager.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager#ImaStreamManagerLoadedEvent
* @description Fired when the native IMA stream manager becomes available.
* @property {string} type
* 'ima-stream-manager-loaded'
* @property {!Object} imaStreamManager
* The native IMA stream manager.
* @exportDoc
*/
/**
* @event shaka.ads.AdManager.AdClickedEvent
* @description Fired when the ad was clicked.
* @property {string} type
* 'ad-clicked'
* @exportDoc
*/
/**
* A class responsible for ad-related interactions.
* @implements {shaka.extern.IAdManager}
* @implements {shaka.util.IReleasable}
* @export
*/
shaka.ads.AdManager = class extends shaka.util.FakeEventTarget {
/** */
constructor() {
super();
/** @private {shaka.ads.ClientSideAdManager} */
this.csAdManager_ = null;
/** @private {shaka.ads.MediaTailorAdManager} */
this.mtAdManager_ = null;
/** @private {shaka.ads.ServerSideAdManager} */
this.ssAdManager_ = null;
/** @private {shaka.ads.AdsStats} */
this.stats_ = new shaka.ads.AdsStats();
/** @private {string} locale */
this.locale_ = navigator.language;
/** @private {?shaka.extern.AdsConfiguration} */
this.config_ = null;
}
/**
* @override
* @export
*/
setLocale(locale) {
this.locale_ = locale;
}
/**
* @override
* @export
*/
configure(config) {
this.config_ = config;
if (this.csAdManager_) {
this.csAdManager_.configure(this.config_);
}
if (this.ssAdManager_) {
this.ssAdManager_.configure(this.config_);
}
}
/**
* @override
* @export
*/
initClientSide(adContainer, video, adsRenderingSettings) {
// Check that Client Side IMA SDK has been included
// NOTE: (window['google'] && google.ima) check for any
// IMA SDK, including SDK for Server Side ads.
// The 3rd check insures we have the right SDK:
// {google.ima.AdsLoader} is an object that's part of CS IMA SDK
// but not SS SDK.
if (!window['google'] || !google.ima || !google.ima.AdsLoader) {
throw new shaka.util.Error(
shaka.util.Error.Severity.CRITICAL,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.CS_IMA_SDK_MISSING);
}
if (this.csAdManager_) {
this.csAdManager_.release();
}
this.csAdManager_ = new shaka.ads.ClientSideAdManager(
adContainer, video, this.locale_, adsRenderingSettings,
(e) => this.processAndDispatchEvent_(e));
goog.asserts.assert(this.config_, 'Config must not be null!');
this.csAdManager_.configure(this.config_);
}
/**
* @override
* @export
*/
release() {
if (this.csAdManager_) {
this.csAdManager_.release();
this.csAdManager_ = null;
}
if (this.mtAdManager_) {
this.mtAdManager_.release();
this.mtAdManager_ = null;
}
if (this.ssAdManager_) {
this.ssAdManager_.release();
this.ssAdManager_ = null;
}
super.release();
}
/**
* @override
* @export
*/
onAssetUnload() {
if (this.csAdManager_) {
this.csAdManager_.stop();
}
if (this.mtAdManager_) {
this.mtAdManager_.stop();
}
if (this.ssAdManager_) {
this.ssAdManager_.stop();
}
this.dispatchEvent(
new shaka.util.FakeEvent(shaka.ads.AdManager.AD_STOPPED));
this.stats_ = new shaka.ads.AdsStats();
}
/**
* @override
* @export
*/
requestClientSideAds(imaRequest) {
if (!this.csAdManager_) {
throw new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.CS_AD_MANAGER_NOT_INITIALIZED);
}
this.csAdManager_.requestAds(imaRequest);
}
/**
* @override
* @export
*/
updateClientSideAdsRenderingSettings(adsRenderingSettings) {
if (!this.csAdManager_) {
throw new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.CS_AD_MANAGER_NOT_INITIALIZED);
}
this.csAdManager_.updateAdsRenderingSettings(adsRenderingSettings);
}
/**
* @override
* @export
*/
initMediaTailor(adContainer, networkingEngine, video) {
if (this.mtAdManager_) {
this.mtAdManager_.release();
}
this.mtAdManager_ = new shaka.ads.MediaTailorAdManager(
adContainer, networkingEngine, video,
(e) => this.processAndDispatchEvent_(e));
}
/**
* @param {string} url
* @param {Object} adsParams
* @param {string=} backupUrl
* @return {!Promise.<string>}
* @override
* @export
*/
requestMediaTailorStream(url, adsParams, backupUrl = '') {
if (!this.mtAdManager_) {
throw new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.MT_AD_MANAGER_NOT_INITIALIZED);
}
return this.mtAdManager_.streamRequest(url, adsParams, backupUrl);
}
/**
* @param {string} url
* @override
* @export
*/
addMediaTailorTrackingUrl(url) {
if (!this.mtAdManager_) {
throw new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.MT_AD_MANAGER_NOT_INITIALIZED);
}
this.mtAdManager_.addTrackingUrl(url);
}
/**
* @override
* @export
*/
initServerSide(adContainer, video) {
// Check that Client Side IMA SDK has been included
// NOTE: (window['google'] && google.ima) check for any
// IMA SDK, including SDK for Server Side ads.
// The 3rd check insures we have the right SDK:
// {google.ima.dai} is an object that's part of DAI IMA SDK
// but not SS SDK.
if (!window['google'] || !google.ima || !google.ima.dai) {
throw new shaka.util.Error(
shaka.util.Error.Severity.CRITICAL,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.SS_IMA_SDK_MISSING);
}
if (this.ssAdManager_) {
this.ssAdManager_.release();
}
this.ssAdManager_ = new shaka.ads.ServerSideAdManager(
adContainer, video, this.locale_,
(e) => this.processAndDispatchEvent_(e));
goog.asserts.assert(this.config_, 'Config must not be null!');
this.ssAdManager_.configure(this.config_);
}
/**
* @param {!google.ima.dai.api.StreamRequest} imaRequest
* @param {string=} backupUrl
* @return {!Promise.<string>}
* @override
* @export
*/
requestServerSideStream(imaRequest, backupUrl = '') {
if (!this.ssAdManager_) {
throw new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.SS_AD_MANAGER_NOT_INITIALIZED);
}
if (!imaRequest.adTagParameters) {
imaRequest.adTagParameters = {};
}
const adTagParams = imaRequest.adTagParameters;
if (adTagParams['mpt'] || adTagParams['mpv']) {
shaka.log.alwaysWarn('You have attempted to set "mpt" and/or "mpv" ' +
'parameters of the ad tag. Please note that those parameters are ' +
'used for Shaka adoption tracking and will be overriden.');
}
// Set player and version parameters for tracking
imaRequest.adTagParameters['mpt'] = 'shaka-player';
imaRequest.adTagParameters['mpv'] = shaka.Player.version;
return this.ssAdManager_.streamRequest(imaRequest, backupUrl);
}
/**
* @override
* @export
*/
replaceServerSideAdTagParameters(adTagParameters) {
if (!this.ssAdManager_) {
throw new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.SS_AD_MANAGER_NOT_INITIALIZED);
}
if (adTagParameters['mpt'] || adTagParameters['mpv']) {
shaka.log.alwaysWarn('You have attempted to set "mpt" and/or "mpv" ' +
'parameters of the ad tag. Please note that those parameters are ' +
'used for Shaka adoption tracking and will be overriden.');
}
adTagParameters['mpt'] = 'Shaka Player';
adTagParameters['mpv'] = shaka.Player.version;
this.ssAdManager_.replaceAdTagParameters(adTagParameters);
}
/**
* @return {!Array.<!shaka.extern.AdCuePoint>}
* @override
* @export
*/
getServerSideCuePoints() {
shaka.Deprecate.deprecateFeature(5,
'AdManager.getServerSideCuePoints',
'Please use getCuePoints function.');
return this.getCuePoints();
}
/**
* @return {!Array.<!shaka.extern.AdCuePoint>}
* @override
* @export
*/
getCuePoints() {
let cuepoints = [];
if (this.ssAdManager_) {
cuepoints = cuepoints.concat(this.ssAdManager_.getCuePoints());
}
if (this.mtAdManager_) {
cuepoints = cuepoints.concat(this.mtAdManager_.getCuePoints());
}
return cuepoints;
}
/**
* @return {shaka.extern.AdsStats}
* @override
* @export
*/
getStats() {
return this.stats_.getBlob();
}
/**
* @override
* @export
*/
onManifestUpdated(isLive) {
if (this.mtAdManager_) {
this.mtAdManager_.onManifestUpdated(isLive);
}
}
/**
* @override
* @export
*/
onDashTimedMetadata(region) {
if (this.ssAdManager_ && region.schemeIdUri == 'urn:google:dai:2018') {
const type = region.schemeIdUri;
const data = region.eventNode ?
region.eventNode.attributes['messageData'] : null;
const timestamp = region.startTime;
this.ssAdManager_.onTimedMetadata(type, data, timestamp);
}
}
/**
* @override
* @export
*/
onHlsTimedMetadata(metadata, timestamp) {
if (this.ssAdManager_) {
this.ssAdManager_.onTimedMetadata('ID3', metadata['data'], timestamp);
}
}
/**
* @override
* @export
*/
onCueMetadataChange(value) {
if (this.ssAdManager_) {
this.ssAdManager_.onCueMetadataChange(value);
}
}
/**
* @param {!shaka.util.FakeEvent} event
* @private
*/
processAndDispatchEvent_(event) {
if (event && event.type) {
switch (event.type) {
case shaka.ads.AdManager.ADS_LOADED: {
const loadTime = (/** @type {!Object} */ (event))['loadTime'];
this.stats_.addLoadTime(loadTime);
break;
}
case shaka.ads.AdManager.AD_STARTED:
this.stats_.incrementStarted();
break;
case shaka.ads.AdManager.AD_COMPLETE:
this.stats_.incrementPlayedCompletely();
break;
case shaka.ads.AdManager.AD_SKIPPED:
this.stats_.incrementSkipped();
break;
}
}
this.dispatchEvent(event);
}
};
/**
* The event name for when a sequence of ads has been loaded.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.ADS_LOADED = 'ads-loaded';
/**
* The event name for when an ad has started playing.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_STARTED = 'ad-started';
/**
* The event name for when an ad playhead crosses first quartile.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_FIRST_QUARTILE = 'ad-first-quartile';
/**
* The event name for when an ad playhead crosses midpoint.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_MIDPOINT = 'ad-midpoint';
/**
* The event name for when an ad playhead crosses third quartile.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_THIRD_QUARTILE = 'ad-third-quartile';
/**
* The event name for when an ad has completed playing.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_COMPLETE = 'ad-complete';
/**
* The event name for when an ad has finished playing
* (played all the way through, was skipped, or was unable to proceed
* due to an error).
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_STOPPED = 'ad-stopped';
/**
* The event name for when an ad is skipped by the user..
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_SKIPPED = 'ad-skipped';
/**
* The event name for when the ad volume has changed.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_VOLUME_CHANGED = 'ad-volume-changed';
/**
* The event name for when the ad was muted.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_MUTED = 'ad-muted';
/**
* The event name for when the ad was paused.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_PAUSED = 'ad-paused';
/**
* The event name for when the ad was resumed after a pause.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_RESUMED = 'ad-resumed';
/**
* The event name for when the ad's skip status changes
* (usually it becomes skippable when it wasn't before).
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_SKIP_STATE_CHANGED = 'ad-skip-state-changed';
/**
* The event name for when the ad's cue points (start/end markers)
* have changed.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.CUEPOINTS_CHANGED = 'ad-cue-points-changed';
/**
* The event name for when the native IMA ad manager object has
* loaded and become available.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.IMA_AD_MANAGER_LOADED = 'ima-ad-manager-loaded';
/**
* The event name for when the native IMA stream manager object has
* loaded and become available.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.IMA_STREAM_MANAGER_LOADED = 'ima-stream-manager-loaded';
/**
* The event name for when the ad was clicked.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_CLICKED = 'ad-clicked';
/**
* The event name for when there is an update to the current ad's progress.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_PROGRESS = 'ad-progress';
/**
* The event name for when the ad is buffering.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_BUFFERING = 'ad-buffering';
/**
* The event name for when the ad's URL was hit.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_IMPRESSION = 'ad-impression';
/**
* The event name for when the ad's duration changed.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_DURATION_CHANGED = 'ad-duration-changed';
/**
* The event name for when the ad was closed by the user.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_CLOSED = 'ad-closed';
/**
* The event name for when the ad data becomes available.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_LOADED = 'ad-loaded';
/**
* The event name for when all the ads were completed.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.ALL_ADS_COMPLETED = 'all-ads-completed';
/**
* The event name for when the ad changes from or to linear.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_LINEAR_CHANGED = 'ad-linear-changed';
/**
* The event name for when the ad's metadata becomes available.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_METADATA = 'ad-metadata';
/**
* The event name for when the ad display encountered a recoverable
* error.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_RECOVERABLE_ERROR = 'ad-recoverable-error';
/**
* The event name for when the ad manager dispatch errors.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_ERROR = 'ad-error';
/**
* The event name for when the client side SDK signalled its readiness
* to play a VPAID ad or an ad rule.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_BREAK_READY = 'ad-break-ready';
/**
* The event name for when the interaction callback for the ad was
* triggered.
*
* @const {string}
* @export
*/
shaka.ads.AdManager.AD_INTERACTION = 'ad-interaction';
/**
* Set this is a default ad manager for the player.
* Apps can also set their own ad manager, if they'd like.
*/
shaka.Player.setAdManagerFactory(() => new shaka.ads.AdManager());