dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
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href="module-Settings.html">Settings</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-classes"><div>Classes</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="Errors.html">Errors</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html">MediaPlayerEvents</a></div><div class="sidebar-section-children"><a href="MediaPlayerModel.html">MediaPlayerModel</a></div><div class="sidebar-section-children"><a href="MetricsReportingEvents.html">MetricsReportingEvents</a></div><div class="sidebar-section-children"><a href="MssErrors.html">MssErrors</a></div><div class="sidebar-section-children"><a href="OfflineErrors.html">OfflineErrors</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html">OfflineEvents</a></div><div class="sidebar-section-children"><a href="ProtectionErrors.html">ProtectionErrors</a></div><div 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href="MediaPlayerEvents.html#event:BUFFER_LEVEL_UPDATED">BUFFER_LEVEL_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:BUFFER_LOADED">BUFFER_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAN_PLAY">CAN_PLAY</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAN_PLAY_THROUGH">CAN_PLAY_THROUGH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAPTION_CONTAINER_RESIZE">CAPTION_CONTAINER_RESIZE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CAPTION_RENDERED">CAPTION_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CONFORMANCE_VIOLATION">CONFORMANCE_VIOLATION</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CONTENT_STEERING_REQUEST_COMPLETED">CONTENT_STEERING_REQUEST_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CUE_ENTER">CUE_ENTER</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:CUE_ENTER">CUE_ENTER</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_ADDED">DVB_FONT_DOWNLOAD_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_COMPLETE">DVB_FONT_DOWNLOAD_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DVB_FONT_DOWNLOAD_FAILED">DVB_FONT_DOWNLOAD_FAILED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:DYNAMIC_TO_STATIC">DYNAMIC_TO_STATIC</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:ERROR">ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:EVENT_MODE_ON_RECEIVE">EVENT_MODE_ON_RECEIVE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:EVENT_MODE_ON_START">EVENT_MODE_ON_START</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_ABANDONED">FRAGMENT_LOADING_ABANDONED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_COMPLETED">FRAGMENT_LOADING_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_PROGRESS">FRAGMENT_LOADING_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:FRAGMENT_LOADING_STARTED">FRAGMENT_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:INBAND_PRFT">INBAND_PRFT</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:LOG">LOG</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADED">MANIFEST_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_FINISHED">MANIFEST_LOADING_FINISHED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_LOADING_STARTED">MANIFEST_LOADING_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:MANIFEST_VALIDITY_CHANGED">MANIFEST_VALIDITY_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_ADDED">METRIC_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_CHANGED">METRIC_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRIC_UPDATED">METRIC_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:METRICS_CHANGED">METRICS_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_COMPLETED">PERIOD_SWITCH_COMPLETED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PERIOD_SWITCH_STARTED">PERIOD_SWITCH_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ENDED">PLAYBACK_ENDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_ERROR">PLAYBACK_ERROR</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_LOADED_DATA">PLAYBACK_LOADED_DATA</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_METADATA_LOADED">PLAYBACK_METADATA_LOADED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_NOT_ALLOWED">PLAYBACK_NOT_ALLOWED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PAUSED">PLAYBACK_PAUSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PLAYING">PLAYBACK_PLAYING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_PROGRESS">PLAYBACK_PROGRESS</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_RATE_CHANGED">PLAYBACK_RATE_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKED">PLAYBACK_SEEKED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_SEEKING">PLAYBACK_SEEKING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STALLED">PLAYBACK_STALLED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_STARTED">PLAYBACK_STARTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_TIME_UPDATED">PLAYBACK_TIME_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_VOLUME_CHANGED">PLAYBACK_VOLUME_CHANGED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:PLAYBACK_WAITING">PLAYBACK_WAITING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_RENDERED">QUALITY_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:QUALITY_CHANGE_REQUESTED">QUALITY_CHANGE_REQUESTED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:REPRESENTATION_SWITCH">REPRESENTATION_SWITCH</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_ACTIVATED">STREAM_ACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_DEACTIVATED">STREAM_DEACTIVATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZED">STREAM_INITIALIZED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_INITIALIZING">STREAM_INITIALIZING</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_TEARDOWN_COMPLETE">STREAM_TEARDOWN_COMPLETE</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:STREAM_UPDATED">STREAM_UPDATED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACK_ADDED">TEXT_TRACK_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TEXT_TRACKS_ADDED">TEXT_TRACKS_ADDED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:THROUGHPUT_MEASUREMENT_STORED">THROUGHPUT_MEASUREMENT_STORED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TRACK_CHANGE_RENDERED">TRACK_CHANGE_RENDERED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TTML_PARSED">TTML_PARSED</a></div><div class="sidebar-section-children"><a href="MediaPlayerEvents.html#event:TTML_TO_PARSE">TTML_TO_PARSE</a></div><div class="sidebar-section-children"><a href="MetricsReportingEvents.html#event:CMCD_DATA_GENERATED">CMCD_DATA_GENERATED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_FINISHED">OFFLINE_RECORD_FINISHED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_LOADEDMETADATA">OFFLINE_RECORD_LOADEDMETADATA</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STARTED">OFFLINE_RECORD_STARTED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STOPPED">OFFLINE_RECORD_STOPPED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ADDED">KEY_ADDED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ERROR">KEY_ERROR</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_MESSAGE">KEY_MESSAGE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CLOSED">KEY_SESSION_CLOSED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CREATED">KEY_SESSION_CREATED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_REMOVED">KEY_SESSION_REMOVED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_STATUSES_CHANGED">KEY_STATUSES_CHANGED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_ACCESS_COMPLETE">KEY_SYSTEM_ACCESS_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_SELECTED">KEY_SYSTEM_SELECTED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:LICENSE_REQUEST_COMPLETE">LICENSE_REQUEST_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:LICENSE_REQUEST_SENDING">LICENSE_REQUEST_SENDING</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:PROTECTION_CREATED">PROTECTION_CREATED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:PROTECTION_DESTROYED">PROTECTION_DESTROYED</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-global"><div>Global</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="global.html#LICENSE_SERVER_MANIFEST_CONFIGURATIONS">LICENSE_SERVER_MANIFEST_CONFIGURATIONS</a></div><div class="sidebar-section-children"><a href="global.html#MediaType">MediaType</a></div></div></div></div></div><div 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class="has-anchor">streaming_protection_models_ProtectionModel_3Feb2014.js</h1></header><article><pre class="prettyprint source lang-js"><code>/**
* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Implementation of the EME APIs as of the 3 Feb 2014 state of the specification.
*
* Implemented by Internet Explorer 11 (Windows 8.1)
*
* @implements ProtectionModel
* @class
*/
import ProtectionKeyController from '../controllers/ProtectionKeyController';
import NeedKey from '../vo/NeedKey';
import DashJSError from '../../vo/DashJSError';
import ProtectionErrors from '../errors/ProtectionErrors';
import KeyMessage from '../vo/KeyMessage';
import KeySystemConfiguration from '../vo/KeySystemConfiguration';
import KeySystemAccess from '../vo/KeySystemAccess';
function ProtectionModel_3Feb2014(config) {
config = config || {};
const context = this.context;
const eventBus = config.eventBus;//Need to pass in here so we can use same instance since this is optional module
const events = config.events;
const debug = config.debug;
const api = config.api;
let instance,
logger,
videoElement,
keySystem,
mediaKeys,
keySystemAccess,
sessions,
eventHandler,
protectionKeyController;
function setup() {
logger = debug.getLogger(instance);
videoElement = null;
keySystem = null;
mediaKeys = null;
keySystemAccess = null;
sessions = [];
protectionKeyController = ProtectionKeyController(context).getInstance();
eventHandler = createEventHandler();
}
function reset() {
try {
for (let i = 0; i < sessions.length; i++) {
closeKeySession(sessions[i]);
}
if (videoElement) {
videoElement.removeEventListener(api.needkey, eventHandler);
}
eventBus.trigger(events.TEARDOWN_COMPLETE);
} catch (error) {
eventBus.trigger(events.TEARDOWN_COMPLETE, { error: 'Error tearing down key sessions and MediaKeys! -- ' + error.message });
}
}
function getAllInitData() {
const retVal = [];
for (let i = 0; i < sessions.length; i++) {
retVal.push(sessions[i].initData);
}
return retVal;
}
function getSessions() {
return sessions;
}
function requestKeySystemAccess(ksConfigurations) {
return new Promise((resolve, reject) => {
// Try key systems in order, first one with supported key system configuration
// is used
let found = false;
for (let ksIdx = 0; ksIdx < ksConfigurations.length; ksIdx++) {
const systemString = ksConfigurations[ksIdx].ks.systemString;
const configs = ksConfigurations[ksIdx].configs;
let supportedAudio = null;
let supportedVideo = null;
// Try key system configs in order, first one with supported audio/video
// is used
for (let configIdx = 0; configIdx < configs.length; configIdx++) {
const audios = configs[configIdx].audioCapabilities;
const videos = configs[configIdx].videoCapabilities;
// Look for supported audio container/codecs
if (audios && audios.length !== 0) {
supportedAudio = []; // Indicates that we have a requested audio config
for (let audioIdx = 0; audioIdx < audios.length; audioIdx++) {
if (window[api.MediaKeys].isTypeSupported(systemString, audios[audioIdx].contentType)) {
supportedAudio.push(audios[audioIdx]);
}
}
}
// Look for supported video container/codecs
if (videos && videos.length !== 0) {
supportedVideo = []; // Indicates that we have a requested video config
for (let videoIdx = 0; videoIdx < videos.length; videoIdx++) {
if (window[api.MediaKeys].isTypeSupported(systemString, videos[videoIdx].contentType)) {
supportedVideo.push(videos[videoIdx]);
}
}
}
// No supported audio or video in this configuration OR we have
// requested audio or video configuration that is not supported
if ((!supportedAudio && !supportedVideo) ||
(supportedAudio && supportedAudio.length === 0) ||
(supportedVideo && supportedVideo.length === 0)) {
continue;
}
// This configuration is supported
found = true;
const ksConfig = new KeySystemConfiguration(supportedAudio, supportedVideo);
const ks = protectionKeyController.getKeySystemBySystemString(systemString);
const keySystemAccess = new KeySystemAccess(ks, ksConfig);
eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { data: keySystemAccess });
resolve({ data: keySystemAccess });
break;
}
}
if (!found) {
const errorMessage = 'Key system access denied! -- No valid audio/video content configurations detected!';
eventBus.trigger(events.KEY_SYSTEM_ACCESS_COMPLETE, { error: errorMessage });
reject({ error: errorMessage });
}
})
}
function selectKeySystem(ksAccess) {
return new Promise((resolve, reject) => {
try {
mediaKeys = ksAccess.mediaKeys = new window[api.MediaKeys](ksAccess.keySystem.systemString);
keySystem = ksAccess.keySystem;
keySystemAccess = ksAccess;
if (videoElement) {
setMediaKeys();
}
resolve(keySystem);
} catch (error) {
reject({ error: 'Error selecting keys system (' + keySystem.systemString + ')! Could not create MediaKeys -- TODO' });
}
})
}
function setMediaElement(mediaElement) {
if (videoElement === mediaElement)
return;
// Replacing the previous element
if (videoElement) {
videoElement.removeEventListener(api.needkey, eventHandler);
}
videoElement = mediaElement;
// Only if we are not detaching from the existing element
if (videoElement) {
videoElement.addEventListener(api.needkey, eventHandler);
if (mediaKeys) {
setMediaKeys();
}
}
}
function createKeySession(ksInfo) {
if (!keySystem || !mediaKeys || !keySystemAccess) {
throw new Error('Can not create sessions until you have selected a key system');
}
// Use the first video capability for the contentType.
// TODO: Not sure if there is a way to concatenate all capability data into a RFC6386-compatible format
// If player is trying to playback Audio only stream - don't error out.
let capabilities = null;
if (keySystemAccess.ksConfiguration.videoCapabilities && keySystemAccess.ksConfiguration.videoCapabilities.length > 0) {
capabilities = keySystemAccess.ksConfiguration.videoCapabilities[0];
}
if (capabilities === null && keySystemAccess.ksConfiguration.audioCapabilities && keySystemAccess.ksConfiguration.audioCapabilities.length > 0) {
capabilities = keySystemAccess.ksConfiguration.audioCapabilities[0];
}
if (capabilities === null) {
throw new Error('Can not create sessions for unknown content types.');
}
const contentType = capabilities.contentType;
const session = mediaKeys.createSession(contentType, new Uint8Array(ksInfo.initData), ksInfo.cdmData ? new Uint8Array(ksInfo.cdmData) : null);
const sessionToken = createSessionToken(session, ksInfo);
// Add all event listeners
session.addEventListener(api.error, sessionToken);
session.addEventListener(api.message, sessionToken);
session.addEventListener(api.ready, sessionToken);
session.addEventListener(api.close, sessionToken);
// Add to our session list
sessions.push(sessionToken);
logger.debug('DRM: Session created. SessionID = ' + sessionToken.getSessionId());
eventBus.trigger(events.KEY_SESSION_CREATED, { data: sessionToken });
}
function updateKeySession(sessionToken, message) {
const session = sessionToken.session;
if (!protectionKeyController.isClearKey(keySystem)) {
// Send our request to the key session
session.update(new Uint8Array(message));
} else {
// For clearkey, message is a ClearKeyKeySet
session.update(new Uint8Array(message.toJWK()));
}
eventBus.trigger(events.KEY_SESSION_UPDATED);
}
/**
* Close the given session and release all associated keys. Following
* this call, the sessionToken becomes invalid
*
* @param {Object} sessionToken - the session token
*/
function closeKeySession(sessionToken) {
const session = sessionToken.session;
// Remove event listeners
session.removeEventListener(api.error, sessionToken);
session.removeEventListener(api.message, sessionToken);
session.removeEventListener(api.ready, sessionToken);
session.removeEventListener(api.close, sessionToken);
// Remove from our session list
for (let i = 0; i < sessions.length; i++) {
if (sessions[i] === sessionToken) {
sessions.splice(i, 1);
break;
}
}
// Send our request to the key session
session[api.release]();
}
function setServerCertificate(/*serverCertificate*/) { /* Not supported */
}
function loadKeySession(/*ksInfo*/) { /* Not supported */
}
function removeKeySession(/*sessionToken*/) { /* Not supported */
}
function createEventHandler() {
return {
handleEvent: function (event) {
switch (event.type) {
case api.needkey:
if (event.initData) {
const initData = ArrayBuffer.isView(event.initData) ? event.initData.buffer : event.initData;
eventBus.trigger(events.NEED_KEY, { key: new NeedKey(initData, 'cenc') });
}
break;
}
}
};
}
// IE11 does not let you set MediaKeys until it has entered a certain
// readyState, so we need this logic to ensure we don't set the keys
// too early
function setMediaKeys() {
let boundDoSetKeys = null;
const doSetKeys = function () {
videoElement.removeEventListener('loadedmetadata', boundDoSetKeys);
videoElement[api.setMediaKeys](mediaKeys);
eventBus.trigger(events.VIDEO_ELEMENT_SELECTED);
};
if (videoElement.readyState >= 1) {
doSetKeys();
} else {
boundDoSetKeys = doSetKeys.bind(this);
videoElement.addEventListener('loadedmetadata', boundDoSetKeys);
}
}
// Function to create our session token objects which manage the EME
// MediaKeySession and session-specific event handler
function createSessionToken(keySession, ksInfo) {
return {
// Implements SessionToken
session: keySession,
keyId: ksInfo.keyId,
initData: ksInfo.initData,
getKeyId: function () {
return this.keyId;
},
getSessionId: function () {
return this.session.sessionId;
},
getExpirationTime: function () {
return NaN;
},
getSessionType: function () {
return 'temporary';
},
// This is our main event handler for all desired MediaKeySession events
// These events are translated into our API-independent versions of the
// same events
handleEvent: function (event) {
switch (event.type) {
case api.error:
let errorStr = 'KeyError'; // TODO: Make better string from event
eventBus.trigger(events.KEY_ERROR, { error: new DashJSError(ProtectionErrors.MEDIA_KEYERR_CODE, errorStr, this) });
break;
case api.message:
let message = ArrayBuffer.isView(event.message) ? event.message.buffer : event.message;
eventBus.trigger(events.INTERNAL_KEY_MESSAGE, { data: new KeyMessage(this, message, event.destinationURL) });
break;
case api.ready:
logger.debug('DRM: Key added.');
eventBus.trigger(events.KEY_ADDED);
break;
case api.close:
logger.debug('DRM: Session closed. SessionID = ' + this.getSessionId());
eventBus.trigger(events.KEY_SESSION_CLOSED, { data: this.getSessionId() });
break;
}
}
};
}
instance = {
getAllInitData,
getSessions,
requestKeySystemAccess,
selectKeySystem,
setMediaElement,
createKeySession,
updateKeySession,
closeKeySession,
setServerCertificate,
loadKeySession,
removeKeySession,
stop: reset,
reset
};
setup();
return instance;
}
ProtectionModel_3Feb2014.__dashjs_factory_name = 'ProtectionModel_3Feb2014';
export default dashjs.FactoryMaker.getClassFactory(ProtectionModel_3Feb2014); /* jshint ignore:line */
</code></pre></article></section></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div class="mobile-menu-icon-container"><button class="icon-button" id="mobile-menu" data-isopen="false" aria-label="menu"><svg><use xlink:href="#menu-icon"></use></svg></button></div><div id="mobile-sidebar" class="mobile-sidebar-container"><div class="mobile-sidebar-wrapper"><a href="/" class="sidebar-title sidebar-title-anchor">Home</a><div class="mobile-nav-links"></div><div 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href="MetricsReportingEvents.html#event:CMCD_DATA_GENERATED">CMCD_DATA_GENERATED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_FINISHED">OFFLINE_RECORD_FINISHED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_LOADEDMETADATA">OFFLINE_RECORD_LOADEDMETADATA</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STARTED">OFFLINE_RECORD_STARTED</a></div><div class="sidebar-section-children"><a href="OfflineEvents.html#event:OFFLINE_RECORD_STOPPED">OFFLINE_RECORD_STOPPED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ADDED">KEY_ADDED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_ERROR">KEY_ERROR</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_MESSAGE">KEY_MESSAGE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CLOSED">KEY_SESSION_CLOSED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_CREATED">KEY_SESSION_CREATED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SESSION_REMOVED">KEY_SESSION_REMOVED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_STATUSES_CHANGED">KEY_STATUSES_CHANGED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_ACCESS_COMPLETE">KEY_SYSTEM_ACCESS_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:KEY_SYSTEM_SELECTED">KEY_SYSTEM_SELECTED</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:LICENSE_REQUEST_COMPLETE">LICENSE_REQUEST_COMPLETE</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:LICENSE_REQUEST_SENDING">LICENSE_REQUEST_SENDING</a></div><div class="sidebar-section-children"><a href="ProtectionEvents.html#event:PR