dashjs/build/es5/src/streaming/utils/CustomTimeRanges.js

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

'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _FactoryMaker=require('../../core/FactoryMaker');var _FactoryMaker2=_interopRequireDefault(_FactoryMaker);var _SupervisorTools=require('../utils/SupervisorTools');function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}/**
* 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.
*/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 start(index){(0,_SupervisorTools.checkInteger)(index);if(index>=this.customTimeRangeArray.length||index<0){return NaN;}return this.customTimeRangeArray[index].start;}function end(index){(0,_SupervisorTools.checkInteger)(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=_FactoryMaker2.default.getClassFactory(CustomTimeRanges);
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