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xlink:href="#font-size-icon"></use></svg></button></div></div><nav></nav></nav></div><div class="toc-container"><div class="toc-content"><span class="bold">On this page</span><div id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section id="source-page" class="source-page"><header><h1 id="title" class="has-anchor">streaming_protection_models_ProtectionModel.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. */ /** * Defines the public interface for all ProtectionModel implementations. * * ProtectionModel implementations provide access to particular versions * of the Encrypted Media Extensions (EME) APIs that have been implemented * in a user agent. Developers wishing to add support for a new EME version * found in a target user-agent should add a new instance of this interface * to the * * Applications should not need direct access to this object. All interactions with * the protection system should be performed with * {@link module:ProtectionController} * * @interface ProtectionModel * @ignore */ const ProtectionModel = function () { }; /** * Returns an array of all initialization data currently used by * active sessions. * @function * @instance * @name getAllInitData * @memberof ProtectionModel * @returns {Array.<ArrayBuffer>} an array of initialization data buffers */ /** * Determine if the user-agent supports one of the given key systems and * content type configurations. Sends ENAME_KEY_SYSTEM_ACCESS_COMPLETE event * with a KeySystemAccess object as event data * * @function * @instance * @name requestKeySystemAccess * @memberof ProtectionModel * * @param {Array.<Object>} ksConfigurations array of desired key system * configurations in priority order (highest priority first) * @param {MediaPlayer.dependencies.protection.KeySystem} ksConfigurations.ks * the key system * @param {MediaPlayer.vo.protection.KeySystemConfiguration[]} ksConfigurations.configs * array of acceptable key system configurations * for this key system in priority order (highest priority first) */ /** * Selects the key system to use for all future operations on this * ProtectionModel. Sends ENAME_KEY_SYSTEM_SELECTED with no data * * @function * @instance * @name selectKeySystem * @memberof ProtectionModel * @param keySystemAccess {MediaPlayer.vo.protection.KeySystemAccess} the key * system access token representing a supported key system */ /** * Associate this protection model with a HTMLMediaElement * * @function * @instance * @name setMediaElement * @memberof ProtectionModel * @param mediaElement {HTMLMediaElement} the media element to * which we should associate this protection model and all current * key sessions */ /** * Creates a new key session using the given initData and type. Sends * KEY_SESSION_CREATED event with MediaPlayer.vo.protection.SessionToken * as data. * * @function * @instance * @name createKeySession * @memberof ProtectionModel * @param {ArrayBuffer} initData PSSH box for the currently selected * key system. * @param {ProtectionData} protData Protection data for the currently selected * key system. * @param {string} sessionType the desired session type. One of "temporary", * "persistent-license", "persistent-release-message". CDM implementations * are not required to support anything except "temporary" */ /** * Update the given key session with a key (or any other message * intended for the CDM) * * @function * @instance * @name updateKeySession * @memberof ProtectionModel * @param {MediaPlayer.vo.protection.SessionToken} sessionToken the session * token * @param {ArrayBuffer} message the message that should be delivered to the CDM * for this session */ /** * Loads the persisted key session data associated with the given sessionId * into a new session. Sends KEY_SESSION_CREATED event with * {@MediaPlayer.vo.protection.SessionToken} as data. * * @function * @instance * @name loadKeySession * @memberof ProtectionModel * @param {string} sessionID the session ID corresponding to the persisted * session data to be loaded * @param {ArrayBuffer} the corresponding initData PSSH box for the currently * selected key system. */ /** * Removes any persisted key session data associated with the given session. * Also closes the session. Sends KEY_SESSION_REMOVED and * ENAME_KEY_SESSION_CLOSED with sessionID as data * * @function * @instance * @name removeKeySession * @memberof ProtectionModel * @param {SessionToken} sessionToken the session * token */ /** * Close the given session and release all associated keys. Following * this call, the sessionToken becomes invalid. Sends KEY_SESSION_CLOSED * with sessionID as data * * @function * @instance * @name closeKeySession * @memberof ProtectionModel * @param sessionToken the session token */ /** * Sets the certificate to be used by the CDM for encrypting messages * * @function * @instance * @name setServerCertificate * @memberof ProtectionModel * @param {ArrayBuffer} serverCertificate */ /** * Currently selected key system. Will be null or undefined if no key * system has yet been selected * * @instance * @name keySystem * @memberof ProtectionModel * @readonly * @type MediaPlayer.dependencies.protection.KeySystem */ export default ProtectionModel; </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 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