dashjs/src/dash/vo/MediaInfo.js

A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

/**
 * 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.
 */
/**
 * @class
 * @ignore
 */
class MediaInfo {
    constructor() {
        this.id = null;
        this.index = null;
        this.type = null;
        this.streamInfo = null;
        this.representationCount = 0;
        this.lang = null;
        this.viewpoint = null;
        this.accessibility = null;
        this.audioChannelConfiguration = null;
        this.roles = null;
        this.codec = null;
        this.mimeType = null;
        this.contentProtection = null;
        this.isText = false;
        this.KID = null;
        this.bitrateList = null;
    }

    isMediaInfoEqual(mediaInfo) {
        if (!mediaInfo) {
            return false;
        }

        const sameId = this.id === mediaInfo.id;
        const sameViewpoint = this.viewpoint === mediaInfo.viewpoint;
        const sameLang = this.lang === mediaInfo.lang;
        const sameRoles = this.roles.toString() === mediaInfo.roles.toString();
        const sameAccessibility = this.accessibility.toString() === mediaInfo.accessibility.toString();
        const sameAudioChannelConfiguration = this.audioChannelConfiguration.toString() === mediaInfo.audioChannelConfiguration.toString();

        return (sameId && sameViewpoint && sameLang && sameRoles && sameAccessibility && sameAudioChannelConfiguration);
    }
}

export default MediaInfo;