@l5i/dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
34 lines (33 loc) • 3.37 kB
JavaScript
/**
* 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.
*/'use strict';Object.defineProperty(exports,'__esModule',{value:true});function _interopRequireDefault(obj){return obj && obj.__esModule?obj:{'default':obj};}var _utilsCustomTimeRanges=require('../../utils/CustomTimeRanges');var _utilsCustomTimeRanges2=_interopRequireDefault(_utilsCustomTimeRanges);function RangeController(config){config = config || {};var useWallClockTime=false;var context=this.context;var instance=undefined,ranges=undefined;var mediaElement=config.mediaElement;function initialize(rs){if(rs && rs.length){rs.forEach(function(r){var start=r.starttime;var end=start + r.duration;ranges.add(start,end);});useWallClockTime = !!rs[0]._useWallClockTime;}}function reset(){ranges.clear();}function setup(){ranges = (0,_utilsCustomTimeRanges2['default'])(context).create();}function isEnabled(){var numRanges=ranges.length;var time=undefined;if(!numRanges){return true;} // When not present, DASH Metrics reporting is requested
// for the whole duration of the content.
time = useWallClockTime?new Date().getTime() / 1000:mediaElement.currentTime;for(var i=0;i < numRanges;i += 1) {var start=ranges.start(i);var end=ranges.end(i);if(start <= time && time < end){return true;}}return false;}instance = {initialize:initialize,reset:reset,isEnabled:isEnabled};setup();return instance;}RangeController.__dashjs_factory_name = 'RangeController';exports['default'] = dashjs.FactoryMaker.getClassFactory(RangeController); /* jshint ignore:line */module.exports = exports['default'];
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