@l5i/dashjs
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A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.
60 lines (59 loc) • 6.08 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 _coreFactoryMaker=require('../../core/FactoryMaker');var _coreFactoryMaker2=_interopRequireDefault(_coreFactoryMaker);function CustomTimeRanges() /*config*/{var customTimeRangeArray=[];var length=0;function add(start,end){var i=0;for(i = 0;i < this.customTimeRangeArray.length && start > this.customTimeRangeArray[i].start;i++);this.customTimeRangeArray.splice(i,0,{start:start,end:end});for(i = 0;i < this.customTimeRangeArray.length - 1;i++) {if(this.mergeRanges(i,i + 1)){i--;}}this.length = this.customTimeRangeArray.length;}function clear(){this.customTimeRangeArray = [];this.length = 0;}function remove(start,end){for(var i=0;i < this.customTimeRangeArray.length;i++) {if(start <= this.customTimeRangeArray[i].start && end >= this.customTimeRangeArray[i].end){ // |--------------Range i-------|
//|---------------Range to remove ---------------|
// or
//|--------------Range i-------|
//|--------------Range to remove ---------------|
// or
// |--------------Range i-------|
//|--------------Range to remove ---------------|
this.customTimeRangeArray.splice(i,1);i--;}else if(start > this.customTimeRangeArray[i].start && end < this.customTimeRangeArray[i].end){ //|-----------------Range i----------------|
// |-------Range to remove -----|
this.customTimeRangeArray.splice(i + 1,0,{start:end,end:this.customTimeRangeArray[i].end});this.customTimeRangeArray[i].end = start;break;}else if(start > this.customTimeRangeArray[i].start && start < this.customTimeRangeArray[i].end){ //|-----------Range i----------|
// |---------Range to remove --------|
// or
//|-----------------Range i----------------|
// |-------Range to remove -----|
this.customTimeRangeArray[i].end = start;}else if(end > this.customTimeRangeArray[i].start && end < this.customTimeRangeArray[i].end){ // |-----------Range i----------|
//|---------Range to remove --------|
// or
//|-----------------Range i----------------|
//|-------Range to remove -----|
this.customTimeRangeArray[i].start = end;}}this.length = this.customTimeRangeArray.length;}function mergeRanges(rangeIndex1,rangeIndex2){var range1=this.customTimeRangeArray[rangeIndex1];var range2=this.customTimeRangeArray[rangeIndex2];if(range1.start <= range2.start && range2.start <= range1.end && range1.end <= range2.end){ //|-----------Range1----------|
// |-----------Range2----------|
range1.end = range2.end;this.customTimeRangeArray.splice(rangeIndex2,1);return true;}else if(range2.start <= range1.start && range1.start <= range2.end && range2.end <= range1.end){ // |-----------Range1----------|
//|-----------Range2----------|
range1.start = range2.start;this.customTimeRangeArray.splice(rangeIndex2,1);return true;}else if(range2.start <= range1.start && range1.start <= range2.end && range1.end <= range2.end){ // |--------Range1-------|
//|---------------Range2--------------|
this.customTimeRangeArray.splice(rangeIndex1,1);return true;}else if(range1.start <= range2.start && range2.start <= range1.end && range2.end <= range1.end){ //|-----------------Range1--------------|
// |-----------Range2----------|
this.customTimeRangeArray.splice(rangeIndex2,1);return true;}return false;}function checkIndex(index){var isInt=index !== null && !isNaN(index) && index % 1 === 0;if(!isInt){throw new Error('index argument is not an integer');}}function start(index){checkIndex(index);if(index >= this.customTimeRangeArray.length || index < 0){return NaN;}return this.customTimeRangeArray[index].start;}function end(index){checkIndex(index);if(index >= this.customTimeRangeArray.length || index < 0){return NaN;}return this.customTimeRangeArray[index].end;}return {customTimeRangeArray:customTimeRangeArray,length:length,add:add,clear:clear,remove:remove,mergeRanges:mergeRanges,start:start,end:end};}CustomTimeRanges.__dashjs_factory_name = 'CustomTimeRanges';exports['default'] = _coreFactoryMaker2['default'].getClassFactory(CustomTimeRanges);module.exports = exports['default'];
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