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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
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<html lang="en" style="font-size:16px"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="https://dashif.org/img/favicon.ico"><link type="text/css" rel="stylesheet" href="jsdoc-custom.css"><title>Source: streaming/protection/drm/KeySystemPlayReady.js</title><!--[if lt IE 9]>
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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_drm_KeySystemPlayReady.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.
*/
/**
* Microsoft PlayReady DRM
*
* @class
* @implements KeySystem
*/
import CommonEncryption from '../CommonEncryption';
import ProtectionConstants from '../../constants/ProtectionConstants';
const uuid = '9a04f079-9840-4286-ab92-e65be0885f95';
const systemString = ProtectionConstants.PLAYREADY_KEYSTEM_STRING;
const schemeIdURI = 'urn:uuid:' + uuid;
const PRCDMData = '<PlayReadyCDMData type="LicenseAcquisition"><LicenseAcquisition version="1.0" Proactive="false"><CustomData encoding="base64encoded">%CUSTOMDATA%</CustomData></LicenseAcquisition></PlayReadyCDMData>';
function KeySystemPlayReady(config) {
config = config || {};
let instance;
let messageFormat = 'utf-16';
const BASE64 = config.BASE64;
const settings = config.settings;
function checkConfig() {
if (!BASE64 || !BASE64.hasOwnProperty('decodeArray') || !BASE64.hasOwnProperty('decodeArray') ) {
throw new Error('Missing config parameter(s)');
}
}
function getRequestHeadersFromMessage(message) {
let msg,
xmlDoc;
const headers = {};
const parser = new DOMParser();
if (settings && settings.get().streaming.protection.detectPlayreadyMessageFormat) {
// If message format configured/defaulted to utf-16 AND number of bytes is odd, assume 'unwrapped' raw CDM message.
if (messageFormat === 'utf-16' && message && message.byteLength % 2 === 1) {
headers['Content-Type'] = 'text/xml; charset=utf-8';
return headers;
}
}
const dataview = (messageFormat === 'utf-16') ? new Uint16Array(message) : new Uint8Array(message);
msg = String.fromCharCode.apply(null, dataview);
xmlDoc = parser.parseFromString(msg, 'application/xml');
const headerNameList = xmlDoc.getElementsByTagName('name');
const headerValueList = xmlDoc.getElementsByTagName('value');
for (let i = 0; i < headerNameList.length; i++) {
headers[headerNameList[i].childNodes[0].nodeValue] = headerValueList[i].childNodes[0].nodeValue;
}
// Some versions of the PlayReady CDM return 'Content' instead of 'Content-Type'.
// this is NOT w3c conform and license servers may reject the request!
// -> rename it to proper w3c definition!
if (headers.hasOwnProperty('Content')) {
headers['Content-Type'] = headers.Content;
delete headers.Content;
}
// Set Content-Type header by default if not provided in the the CDM message (<PlayReadyKeyMessage/>)
// or if the message contains directly the challenge itself (Ex: LG SmartTVs)
if (!headers.hasOwnProperty('Content-Type')) {
headers['Content-Type'] = 'text/xml; charset=utf-8';
}
return headers;
}
function getLicenseRequestFromMessage(message) {
let licenseRequest = null;
const parser = new DOMParser();
if (settings && settings.get().streaming.protection.detectPlayreadyMessageFormat) {
// If message format configured/defaulted to utf-16 AND number of bytes is odd, assume 'unwrapped' raw CDM message.
if (messageFormat === 'utf-16' && message && message.byteLength % 2 === 1) {
return message;
}
}
const dataview = (messageFormat === 'utf-16') ? new Uint16Array(message) : new Uint8Array(message);
checkConfig();
const msg = String.fromCharCode.apply(null, dataview);
const xmlDoc = parser.parseFromString(msg, 'application/xml');
if (xmlDoc.getElementsByTagName('PlayReadyKeyMessage')[0]) {
const Challenge = xmlDoc.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue;
if (Challenge) {
licenseRequest = BASE64.decode(Challenge);
}
} else {
// The message from CDM is not a wrapped message as on IE11 and Edge,
// thus it contains direclty the challenge itself
// (note that the xmlDoc at this point may be unreadable since it may have been interpreted as UTF-16)
return message;
}
return licenseRequest;
}
function getLicenseServerURLFromInitData(initData) {
if (initData) {
const data = new DataView(initData);
const numRecords = data.getUint16(4, true);
let offset = 6;
const parser = new DOMParser();
for (let i = 0; i < numRecords; i++) {
// Parse the PlayReady Record header
const recordType = data.getUint16(offset, true);
offset += 2;
const recordLength = data.getUint16(offset, true);
offset += 2;
if (recordType !== 0x0001) {
offset += recordLength;
continue;
}
const recordData = initData.slice(offset, offset + recordLength);
const record = String.fromCharCode.apply(null, new Uint16Array(recordData));
const xmlDoc = parser.parseFromString(record, 'application/xml');
// First try <LA_URL>
if (xmlDoc.getElementsByTagName('LA_URL')[0]) {
const laurl = xmlDoc.getElementsByTagName('LA_URL')[0].childNodes[0].nodeValue;
if (laurl) {
return laurl;
}
}
// Optionally, try <LUI_URL>
if (xmlDoc.getElementsByTagName('LUI_URL')[0]) {
const luiurl = xmlDoc.getElementsByTagName('LUI_URL')[0].childNodes[0].nodeValue;
if (luiurl) {
return luiurl;
}
}
}
}
return null;
}
function getInitData(cpData) {
// * desc@ getInitData
// * generate PSSH data from PROHeader defined in MPD file
// * PSSH format:
// * size (4)
// * box type(PSSH) (8)
// * Protection SystemID (16)
// * protection system data size (4) - length of decoded PROHeader
// * decoded PROHeader data from MPD file
const PSSHBoxType = new Uint8Array([0x70, 0x73, 0x73, 0x68, 0x00, 0x00, 0x00, 0x00]); //'PSSH' 8 bytes
const playreadySystemID = new Uint8Array([0x9a, 0x04, 0xf0, 0x79, 0x98, 0x40, 0x42, 0x86, 0xab, 0x92, 0xe6, 0x5b, 0xe0, 0x88, 0x5f, 0x95]);
let byteCursor = 0;
let uint8arraydecodedPROHeader = null;
let PROSize,
PSSHSize,
PSSHBoxBuffer,
PSSHBox,
PSSHData;
checkConfig();
if (!cpData) {
return null;
}
// Handle common encryption PSSH
if ('pssh' in cpData) {
return CommonEncryption.parseInitDataFromContentProtection(cpData, BASE64);
}
// Handle native MS PlayReady ContentProtection elements
if ('pro' in cpData) {
uint8arraydecodedPROHeader = BASE64.decodeArray(cpData.pro.__text);
}
else if ('prheader' in cpData) {
uint8arraydecodedPROHeader = BASE64.decodeArray(cpData.prheader.__text);
}
else {
return null;
}
PROSize = uint8arraydecodedPROHeader.length;
PSSHSize = 0x4 + PSSHBoxType.length + playreadySystemID.length + 0x4 + PROSize;
PSSHBoxBuffer = new ArrayBuffer(PSSHSize);
PSSHBox = new Uint8Array(PSSHBoxBuffer);
PSSHData = new DataView(PSSHBoxBuffer);
PSSHData.setUint32(byteCursor, PSSHSize);
byteCursor += 0x4;
PSSHBox.set(PSSHBoxType, byteCursor);
byteCursor += PSSHBoxType.length;
PSSHBox.set(playreadySystemID, byteCursor);
byteCursor += playreadySystemID.length;
PSSHData.setUint32(byteCursor, PROSize);
byteCursor += 0x4;
PSSHBox.set(uint8arraydecodedPROHeader, byteCursor);
byteCursor += PROSize;
return PSSHBox.buffer;
}
/**
* It seems that some PlayReady implementations return their XML-based CDM
* messages using UTF16, while others return them as UTF8. Use this function
* to modify the message format to expect when parsing CDM messages.
*
* @param {string} format the expected message format. Either "utf-8" or "utf-16".
* @throws {Error} Specified message format is not one of "utf8" or "utf16"
*/
function setPlayReadyMessageFormat(format) {
if (format !== 'utf-8' && format !== 'utf-16') {
throw new Error('Specified message format is not one of "utf-8" or "utf-16"');
}
messageFormat = format;
}
/**
* Get Playready Custom data
*/
function getCDMData(_cdmData) {
let customData,
cdmData,
cdmDataBytes,
i;
checkConfig();
if (!_cdmData) return null;
// Convert custom data into multibyte string
customData = [];
for (i = 0; i < _cdmData.length; ++i) {
customData.push(_cdmData.charCodeAt(i));
customData.push(0);
}
customData = String.fromCharCode.apply(null, customData);
// Encode in Base 64 the custom data string
customData = BASE64.encode(customData);
// Initialize CDM data with Base 64 encoded custom data
// (see https://msdn.microsoft.com/en-us/library/dn457361.aspx)
cdmData = PRCDMData.replace('%CUSTOMDATA%', customData);
// Convert CDM data into multibyte characters
cdmDataBytes = [];
for (i = 0; i < cdmData.length; ++i) {
cdmDataBytes.push(cdmData.charCodeAt(i));
cdmDataBytes.push(0);
}
return new Uint8Array(cdmDataBytes).buffer;
}
instance = {
uuid,
schemeIdURI,
systemString,
getInitData,
getRequestHeadersFromMessage,
getLicenseRequestFromMessage,
getLicenseServerURLFromInitData,
getCDMData,
setPlayReadyMessageFormat
};
return instance;
}
KeySystemPlayReady.__dashjs_factory_name = 'KeySystemPlayReady';
export default dashjs.FactoryMaker.getSingletonFactory(KeySystemPlayReady); /* 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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