shaka-player
Version:
DASH/EME video player library
87 lines (74 loc) • 1.92 kB
JavaScript
/**
* @license
* Copyright 2015 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
goog.provide('shaka.player.AudioTrack');
/**
* Creates a new AudioTrack.
* @param {number} id
* @param {?number} bandwidth
* @param {?string} lang
* @constructor
*/
shaka.player.AudioTrack = function(id, bandwidth, lang) {
/**
* A unique ID for the track.
*
* @type {number}
* @expose
*/
this.id = id;
/**
* The bandwidth required in bits per second.
*
* @type {number}
* @expose
*/
this.bandwidth = bandwidth || 0;
/**
* The track's language, a BCP 47 language tag.
*
* @type {string}
* @expose
*/
this.lang = lang || 'unknown';
/**
* True if this is currently the active track.
*
* @type {boolean}
* @expose
*/
this.active = false;
};
/**
* Compares two AudioTrack objects: first by language, and then by bandwidth.
* @param {!shaka.player.AudioTrack} audioTrack1
* @param {!shaka.player.AudioTrack} audioTrack2
* @return {number}
* @export
*/
shaka.player.AudioTrack.compare = function(audioTrack1, audioTrack2) {
if (audioTrack1.lang < audioTrack2.lang) {
return -1;
} else if (audioTrack1.lang > audioTrack2.lang) {
return 1;
}
if (audioTrack1.bandwidth < audioTrack2.bandwidth) {
return -1;
} else if (audioTrack1.bandwidth > audioTrack2.bandwidth) {
return 1;
}
return 0;
};