smartCity/js/ezuikit.js

/**
 * ezui 1.4
 */
( function( global, factory ) {

  "use strict";

  if ( typeof module === "object" && typeof module.exports === "object" ) {
    module.exports = global.document ?
      factory( global, true ) :
      function( w ) {
        if ( !w.document ) {
          throw new Error( "EZUIPlayer requires a window with a document" );
        }
        return factory( w );
      };
  } else {
    factory( global );
  }

  // Pass this if window is not defined yet
} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ){

  /**
   * @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
   */
  !function(a,b){function c(a,b){var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=t.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=t.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),t.elements=c+" "+a,j(b)}function f(a){var b=s[a[q]];return b||(b={},r++,a[q]=r,s[r]=b),b}function g(a,c,d){if(c||(c=b),l)return c.createElement(a);d||(d=f(c));var e;return e=d.cache[a]?d.cache[a].cloneNode():p.test(a)?(d.cache[a]=d.createElem(a)).cloneNode():d.createElem(a),!e.canHaveChildren||o.test(a)||e.tagUrn?e:d.frag.appendChild(e)}function h(a,c){if(a||(a=b),l)return a.createDocumentFragment();c=c||f(a);for(var e=c.frag.cloneNode(),g=0,h=d(),i=h.length;i>g;g++)e.createElement(h[g]);return e}function i(a,b){b.cache||(b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){return t.shivMethods?g(c,a,b):b.createElem(c)},a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+d().join().replace(/[\w\-:]+/g,function(a){return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'})+");return n}")(t,b.frag)}function j(a){a||(a=b);var d=f(a);return!t.shivCSS||k||d.hasCSS||(d.hasCSS=!!c(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}")),l||i(a,d),a}var k,l,m="3.7.3",n=a.html5||{},o=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,p=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,q="_html5shiv",r=0,s={};!function(){try{var a=b.createElement("a");a.innerHTML="<xyz></xyz>",k="hidden"in a,l=1==a.childNodes.length||function(){b.createElement("a");var a=b.createDocumentFragment();return"undefined"==typeof a.cloneNode||"undefined"==typeof a.createDocumentFragment||"undefined"==typeof a.createElement}()}catch(c){k=!0,l=!0}}();var t={elements:n.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video",version:m,shivCSS:n.shivCSS!==!1,supportsUnknownElements:l,shivMethods:n.shivMethods!==!1,type:"default",shivDocument:j,createElement:g,createDocumentFragment:h,addElements:e};a.html5=t,j(b),"object"==typeof module&&module.exports&&(module.exports=t)}("undefined"!=typeof window?window:this,document);

  /*! @source http://purl.eligrey.com/github/classList.js/blob/master/classList.js */
  if("document" in self){if(!("classList" in document.createElement("_"))){(function(j){"use strict";if(!("Element" in j)){return}var a="classList",f="prototype",m=j.Element[f],b=Object,k=String[f].trim||function(){return this.replace(/^\s+|\s+$/g,"")},c=Array[f].indexOf||function(q){var p=0,o=this.length;for(;p<o;p++){if(p in this&&this[p]===q){return p}}return -1},n=function(o,p){this.name=o;this.code=DOMException[o];this.message=p},g=function(p,o){if(o===""){throw new n("SYNTAX_ERR","An invalid or illegal string was specified")}if(/\s/.test(o)){throw new n("INVALID_CHARACTER_ERR","String contains an invalid character")}return c.call(p,o)},d=function(s){var r=k.call(s.getAttribute("class")||""),q=r?r.split(/\s+/):[],p=0,o=q.length;for(;p<o;p++){this.push(q[p])}this._updateClassName=function(){s.setAttribute("class",this.toString())}},e=d[f]=[],i=function(){return new d(this)};n[f]=Error[f];e.item=function(o){return this[o]||null};e.contains=function(o){o+="";return g(this,o)!==-1};e.add=function(){var s=arguments,r=0,p=s.length,q,o=false;do{q=s[r]+"";if(g(this,q)===-1){this.push(q);o=true}}while(++r<p);if(o){this._updateClassName()}};e.remove=function(){var t=arguments,s=0,p=t.length,r,o=false,q;do{r=t[s]+"";q=g(this,r);while(q!==-1){this.splice(q,1);o=true;q=g(this,r)}}while(++s<p);if(o){this._updateClassName()}};e.toggle=function(p,q){p+="";var o=this.contains(p),r=o?q!==true&&"remove":q!==false&&"add";if(r){this[r](p)}if(q===true||q===false){return q}else{return !o}};e.toString=function(){return this.join(" ")};if(b.defineProperty){var l={get:i,enumerable:true,configurable:true};try{b.defineProperty(m,a,l)}catch(h){if(h.number===-2146823252){l.enumerable=false;b.defineProperty(m,a,l)}}}else{if(b[f].__defineGetter__){m.__defineGetter__(a,i)}}}(self))}else{(function(){var b=document.createElement("_");b.classList.add("c1","c2");if(!b.classList.contains("c2")){var c=function(e){var d=DOMTokenList.prototype[e];DOMTokenList.prototype[e]=function(h){var g,f=arguments.length;for(g=0;g<f;g++){h=arguments[g];d.call(this,h)}}};c("add");c("remove")}b.classList.toggle("c3",false);if(b.classList.contains("c3")){var a=DOMTokenList.prototype.toggle;DOMTokenList.prototype.toggle=function(d,e){if(1 in arguments&&!this.contains(d)===!e){return e}else{return a.call(this,d)}}}b=null}())}};


  Date.prototype.Format = function (fmt) { //author: meizz
    var o = {
      "M+": this.getMonth() + 1, //月份
      "d+": this.getDate(), //日
      "h+": this.getHours(), //小时
      "m+": this.getMinutes(), //分
      "s+": this.getSeconds(), //秒
      "q+": Math.floor((this.getMonth() + 3) / 3), //季度
      "S": this.getMilliseconds() //毫秒
    };
    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    for (var k in o)
      if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
    return fmt;
  };


  // var Domain = 'https://open.ys7.com';
  var Domain = '';

  var logDomain = 'https://log.ys7.com/statistics.do';

  // var ckplayerJS =  './ckplayer/ckplayer.js';
  // var ckplayerSWF =  './ckplayer/ckplayer.swf';
  // var m3u8SWF =   './ckplayer/m3u8.swf';
  // var hlsJS ='./hls.min.js';
  var mpegJS = Domain + 'js/jsmpeg.min.js';

  var ckplayerJS = Domain + 'js/ckplayer.js';
  var ckplayerSWF = Domain + 'js/ckplayer.swf';
  var m3u8SWF = Domain + 'js/m3u8.swf';
  var hlsJS = 'js/hls.min.js';

  // 当前页面是否是https协议
  var isHttps = window.location.protocol === 'https:' ? true : false;
  // 是否为移动端
  var isMobile = !!navigator.userAgent.match(/(iPhone|iPod|iPad|Android|ios|SymbianOS)/i);
  var testVideo = document.createElement('video');
  // 是否支持video标签和addEventListener方法（主要为了区别ie8）
  var isModernBrowser = !!testVideo.canPlayType && !!window.addEventListener;
  // 是否能使用video原生播放hls，目前只有safari可以支持原生video播放。
  var isNativeSupportHls = isModernBrowser && testVideo.canPlayType('application/vnd.apple.mpegURL');
  // 是否能使用hls.js播放
  var isSupportHls = false;
  // 是否使用flash
  var useFlash = false;

  // 本地信息上报
  var LOCALINFO = 'open_netstream_localinfo';
  // 预览主表上报
  var PLAY_MAIN = 'open_netstream_play_main';

  function dclog(obj){
    var logObj = {
      Ver: 'v.1.4.0',
      PlatAddr: 'open.ys7.com',
      ExterVer: 'Ez.1.4.0',
      CltType: 102,
      StartTime: (new Date()).Format('yyyy-MM-dd hh:mm:ss.S'),  // 每个日志包含当前的时间
      OS: navigator.platform
    }
    for(var i in obj){
      logObj[i] = obj[i];
    }

    var tempArray = [];
    for(var j in logObj){
      tempArray.push(j + '=' + logObj[j]);
    }
    var params = '?' + tempArray.join('&');
    // 上报一次本地统计信息
    var img = new Image();
    img.src = logDomain + params;
  }

  // 上报一次本地信息
  // dclog({
  //   systemName: LOCALINFO
  // });

  var RTMP_REG = /^rtmp/;
  var HLS_REG = /\.m3u8/;

  // 获取元素样式
  function getStyle(el){
    return window.getComputedStyle
      ? window.getComputedStyle(el, null)
      : el.currentStyle;
  }

  // 加载js
  function addJs(filename, callback){
    var oJs = document.createElement("script");
    oJs.setAttribute("src", filename);
    oJs.onload = callback;
    document.getElementsByTagName("head")[0].appendChild(oJs);
  }


  var EZUIPlayer = function(videoId){
    if(!isModernBrowser){
      throw new Error('不支持ie8等低版本浏览器');
      return;
    }
    if(typeof videoId !== 'string'){
      throw new Error('EZUIPlayer requires parameter videoId');
    }
    this.videoId = videoId;
    this.video = document.getElementById(videoId);
    if(!this.video){
      throw new Error('EZUIPlayer requires parameter videoId');
    }
    this.opt = {};
    this.opt.sources = [];
    var sources = this.video.getElementsByTagName('source');
    // 转为数组对象，不受removeChild影响
    sources = Array.prototype.slice.call(sources, 0);

    if(this.video.src){
      // 移动端删除rtmp地址
      if(isMobile && RTMP_REG.test(this.video.src)){
        this.video.removeAttribute('src');
        this.video.load();
      }else{
        this.opt.sources.push(this.video.src);
      }
    }

    var l = sources.length;
    if(l > 0){
      for(var i = 0; i < l; i++){
        // 移动端删除rtmp地址
        if(isMobile && RTMP_REG.test(sources[i].src)){
          this.video.removeChild(sources[i]);
        }else{
          this.opt.sources.push(sources[i].src);
        }
      }
    }
    if(this.opt.sources.length < 1){
      throw new Error('no source found in video tag.');
    }
    this.opt.cur = 0;


    // 事件存储
    this.handlers = {};

    this.opt.poster = this.video.poster;
    var videoStyle = getStyle(this.video);
    var width = this.video.width;
    var height = this.video.height;
    if(width){
      this.opt.width = width;
      if(height){
        this.opt.height = height;
      }else{
        this.opt.height = 'auto';
      }
      this.log('video width:' + this.opt.width + ' height:' + this.opt.height);
    }else{
      this.opt.width = videoStyle.width;
      this.opt.height = videoStyle.height;
      this.log('videoStyle.width:' + videoStyle.width + ' wideoStyle.height:' + videoStyle.height);
    }
    this.opt.parentId = videoId;
    this.opt.autoplay = this.video.autoplay ? true : false;
    this.log('autoplay:' + this.video.autoplay);

    this.tryPlay();
    this.initTime = (new Date()).getTime();

    this.on('play', function(){
      // 上报播放成功信息
      // dclog({
      //   systemName: PLAY_MAIN,
      //   playurl: this.opt.currentSource,
      //   Time: (new Date()).Format('yyyy-MM-dd hh:mm:ss.S'),
      //   Enc: 0,  // 0 不加密 1 加密
      //   PlTp: 1,  // 1 直播 2 回放
      //   Via: 2,  // 2 服务端取流
      //   ErrCd: 0,
      //   Cost: (new Date()).getTime() - this.initTime  // 毫秒数
      // });
    });
    this.retry = 2;
    this.on('error', function(){
      // dclog({
      //   systemName: PLAY_MAIN,
      //   playurl: this.opt.currentSource,
      //   cost: -1,
      //   ErrCd: -1
      // });
    });

  };

  // 事件监听
  EZUIPlayer.prototype.on = function(eventName, callback){
    if(typeof eventName !== 'string' || typeof callback !== 'function'){
      return;
    }
    if(typeof this.handlers[eventName] === 'undefined'){
      this.handlers[eventName] = [];
    }
    this.handlers[eventName].push(callback);
  };

  // 事件触发
  EZUIPlayer.prototype.emit = function(){
    if(this.handlers[arguments[0]] instanceof Array){
      var handlers = this.handlers[arguments[0]];
      var l = handlers.length;
      for(var i = 0; i < l; i++){
        handlers[i].apply(this, Array.prototype.slice.call(arguments, 1));
      }
    }
  };

  // 尝试播放
  EZUIPlayer.prototype.tryPlay = function(){
    this.opt.currentSource = this.opt.sources[this.opt.cur];
    if(!this.opt.currentSource){
      this.log('未找到合适的播放URL');
      return;
    }
    var me = this;
    // 如果是HLS地址
    if(/\.m3u8/.test(this.opt.currentSource)){
      // 如果是手机浏览器环境,或者原生支持HLS播放的,直接使用video标签播放
      // 否则尝试使用hls.js播放，
      // 最后使用flash
      if(isMobile || isNativeSupportHls){
        this.log('使用原生video');
        this.video.style.heght = this.opt.height = Number(this.opt.width.replace(/px$/g, '')) * 9 / 16 + 'px';
        this.initVideoEvent();
      }else{
        if(isHttps){
          addJs(ckplayerJS, function(){
            me.initCKPlayer();
          });
        }else{
          addJs(hlsJS, function(){
            isSupportHls = Hls.isSupported();
            if(isSupportHls){
              me.log('使用hls.js');
              me.initHLS();
            }else{
              useFlash = true;
              me.log('2 使用flash');
              addJs(ckplayerJS, function(){
                me.initCKPlayer();
              });
            }
          });
        }
      }
    }else if(/^rtmp:/.test(this.opt.currentSource)){
      if(isMobile){
        this.opt.cur++;
        this.tryPlay();
        return;
      }else{
        addJs(ckplayerJS, function(){ console.log("initCKPlayer")
          me.initCKPlayer();
        });
      }
    }else if(/^wss:|^ws:/.test(this.opt.currentSource)){
      /*
      *   WS协议的JSMpeg的不支持IE11以下的版本
      *   开放平台官网不支持IE8打开，所以官网上面不兼容两个人版本IE9 ，和IE10
      *
      * */
      if (!ltIE11()) {
        addJs(mpegJS, function(){
          me.initJSmpeg();
        });
      } else {
        alert('WS协议不支持Ie11以下的浏览器！请使用IE11，或者更高版本的浏览器');
        return;
      }
    }
  };

  // 初始化hls.js
  EZUIPlayer.prototype.initHLS = function(){
    var me = this;
    var hls = new Hls({defaultAudioCodec: 'mp4a.40.2'}); // 萤石设备默认使用 AAC LC 音频编码
    hls.loadSource(this.opt.currentSource);
    hls.attachMedia(this.video);
    hls.on(Hls.Events.MANIFEST_PARSED, function(){
      if(me.opt.autoplay){
        me.video.play();
      }
      me.initVideoEvent();
    });
    hls.on(Hls.Events.ERROR, function (event, data) {
      if (data.fatal) {
        switch(data.type) {
          case Hls.ErrorTypes.NETWORK_ERROR:
            // try to recover network error
            console.log("fatal network error encountered, try to recover");
            hls.startLoad();
            break;
          case Hls.ErrorTypes.MEDIA_ERROR:
            console.log("fatal media error encountered, try to recover");
            hls.recoverMediaError();
            break;
          default:
            // cannot recover
            hls.destroy();
            break;
        }
      }
    });

    this.hls = hls;
  };

  // 日志
  EZUIPlayer.prototype.log = function(msg){
    this.emit('log', msg);
  };

  // 初始化ckplayer
  EZUIPlayer.prototype.initCKPlayer = function(){
    this.log('ckplayer初始化');
    var me = this;
    var events = {
      'play': function(){me.emit('play')},
      'pause': function(){me.emit('pause')},
      'error': function(){me.emit('error')}
    };
    window.ckplayer_status = function(){
      me.log(arguments);
      events[arguments[0]] && events[arguments[0]]();
    };

    // 新增相同id的div标签，然后删除video标签
    this.videoFlash = document.createElement('DIV');
    this.video.parentNode.replaceChild(this.videoFlash, this.video);
    this.video = this.videoFlash;
    this.videoFlash.id = this.opt.parentId;
    var flashvars = null;
    // 如果rtmp服务器环境设置了视频暂停则断开链接
    // 需要修改ckplayer.js  setup参数第30个值
    // 在播放暂停后点击播放是否采用重新链接的方式
    if(/^rtmp/.test(this.opt.currentSource)){
      flashvars = {
        f: this.opt.currentSource,
        c: 0,
        p: this.opt.autoplay ? 1 : 0,
        i: this.opt.poster,
        lv: 1,
        loaded: 'loadHandler'
      };
    }else if(/\.m3u8/.test(this.opt.currentSource)){
      flashvars = {
        s:4,  // 4-使用swf视频流插件播放
        f:m3u8SWF,
        a: this.opt.currentSource,
        c: 0,  // 0-使用ckplayer.js的配置 1-使用ckplayer.xml的配置
        lv:1, // 1-直播 0-普通方式
        p: this.opt.autoplay ? 1 : 0,   // 1-默认播放 0-默认暂停
        i: this.opt.poster,
        loaded: 'loadHandler'
      };
    }else{
      flashvars = {
        f: this.opt.currentSource,
        c: 0,
        p: 1,
        loaded: 'loadHandler'
      };
    }
    var params={bgcolor:'#FFF',allowFullScreen:true,allowScriptAccess:'always',wmode:'transparent'};
    this.flashId = this.opt.parentId + 'flashId';
    window.CKobject.embedSWF(ckplayerSWF,this.opt.parentId,this.flashId,this.opt.width,this.opt.height,flashvars,params);
  };

  EZUIPlayer.prototype.initVideoEvent = function(){
    var me = this;
    var EVENT = {
      'loadstart': function(e){
        me.log('loadstart...当浏览器开始查找音频/视频时...');
        me.emit('loadstart', e);
      },
      'durationchange': function(e){
        me.log('durationchange...当音频/视频的时长已更改时...');
        me.emit('durationchange', e);
      },
      'loadedmetadata': function(e){
        me.log('loadedmetadata...当浏览器已加载音频/视频的元数据时...');
        me.emit('loadedmetadata', e);
      },
      'loadeddata': function(e){
        me.log('loadeddata...当浏览器已加载音频/视频的当前帧时...');
        me.emit('loadeddata', e);
      },
      'progress': function(e){
        me.log('progress...当浏览器正在下载音频/视频时...');
        me.emit('progress', e);
      },
      'canplay': function(e){
        me.log('canplay...当浏览器可以播放音频/视频时...');
        me.emit('canplay', e);
      },
      'canplaythrough': function(e){
        me.log('canplaythrough...当浏览器可在不因缓冲而停顿的情况下进行播放时...');
        me.emit('canplaythrough', e);
      },
      'abort': function(e){
        me.log('abort...当音频/视频的加载已放弃时...');
        me.emit('abort', e);
      },
      'emptied': function(e){
        me.log('emptied...当目前的播放列表为空时...');
        me.emit('emptied', e);
      },
      'ended': function(e){
        me.log('ended...当目前的播放列表已结束时...');
        me.emit('ended', e);
      },
      'pause': function(e){
        me.log('pause...当音频/视频已暂停时...');
        me.emit('pause', e);
      },
      'play': function(e){
        me.log('play...当音频/视频已开始或不再暂停时...');
        me.emit('play', e);
      },
      'playing': function(e){
        me.log('playing...当音频/视频在已因缓冲而暂停或停止后已就绪时...');
        me.emit('playing', e);
      },
      'ratechange': function(e){
        me.log('ratechange...当音频/视频的播放速度已更改时...');
        me.emit('ratechange', e);
      },
      'seeked': function(e){
        me.log('seeked...当用户已移动/跳跃到音频/视频中的新位置时...');
        me.emit('seeked', e);
      },
      'seeking': function(e){
        me.log('seeking...当用户开始移动/跳跃到音频/视频中的新位置时...');
        me.emit('seeking', e);
      },
      'stalled': function(e){
        me.log('stalled...当浏览器尝试获取媒体数据，但数据不可用时...');
        me.emit('stalled', e);
      },
      'suspend': function(e){
        me.log('suspend...当浏览器刻意不获取媒体数据时...');
        me.emit('suspend', e);
        if(me.opt.autoplay){
          me.video.play();
        }
      },
      'timeupdate': function(e){
        //me.log('timeupdate...当目前的播放位置已更改时...');
        me.emit('timeupdate', e);
      },
      'volumechange': function(e){
        me.log('volumechange...当音量已更改时...');
        me.emit('volumechange', e);
      },
      'waiting': function(e){
        me.log('waiting...当视频由于需要缓冲下一帧而停止...');
        me.emit('waiting', e);
      },
      'error': function(e){
        me.log('error...当在音频/视频加载期间发生错误时...');
        me.emit('error', e);
      }

    };
    for(var i in EVENT){
      this.video.addEventListener( i, EVENT[i], false);
    }

    ios11Hack(this.video);

  };

  EZUIPlayer.prototype.initJSmpeg = function () {
    this.canvasEle = document.createElement('canvas');
    this.canvasEle.style.width = this.opt.width;
    this.canvasEle.style.height = this.opt.height;
    this.video.parentNode.replaceChild(this.canvasEle,this.video);
    this.canvasEle.id = this.opt.parentId;
    var player;
    if(player && player.destroy){
      player.destroy();
    }
    player = new JSMpeg.Player(this.opt.currentSource, {canvas: this.canvasEle});
  }


  EZUIPlayer.prototype.play = function(){
    this.opt.autoplay = true;
    if(!!window['CKobject']){
      CKobject.getObjectById(this.flashId).videoPlay();
    }else if(!!this.video){
      this.video.play();
    }

  };

  EZUIPlayer.prototype.pause = function(){
    this.opt.autoplay = false;
    if(!!window['CKobject']){
      CKobject.getObjectById(this.flashId).videoPause();
    }else if(!!this.video){
      this.video.pause();
    }
  };
  EZUIPlayer.prototype.stop = function () {
    // 执行停止
    this.opt.autoplay = false;
    if (!!window['CKobject']) {
      CKobject.getObjectById(this.flashId).videoClear();
    } else if (!!this.video) {
      if (!!this.hls) {   // hls停止依赖this.hls
        // 通过暂停停止播放
        this.video.pause();
        // 停止取流
        this.hls.stopLoad();
      } else if (!!this.flv) {
        this.flv.pause();
        this.flv.unload();
        this.flv.detachMediaElement();
        this.flv.destroy();
        this.flv = null;
      } else if(!!this.JSmpeg) {
        this.JSmpeg.stop();
        // this.JSmpeg.destroy();
      }
    }
  };

  EZUIPlayer.prototype.load = function(){
    if(!!window['CKobject']){
      // flash load
    }else if(!!this.video){
      this.video.load();
    }
  };
  //
  // EZUIPlayer.prototype.remove = function(){
  //
  // };
  //
  // EZUIPlayer.prototype.clear = function(){
  //
  // };
  //
  // // 修改播放地址
  // EZUIPlayer.prototype.changeSource = function(source){
  //
  // };

  // iOS11手机HLS直播在m3u8响应时间过长后不继续请求的hack
  function ios11Hack(video){
    var isloadeddata = false;
    var isPlaying = false;
    var stalledCount = 0;
    video.addEventListener('loadeddata', function(){
      isloadeddata = true;
    }, false);
    video.addEventListener('stalled', function(){
      stalledCount++;
      if(!isPlaying){
        if(stalledCount >= 2 && !isloadeddata){
          video.load();
          video.play();
          isloadeddata = false;
          isPlaying = false;
          stalledCount = 0;
        }
      }
    }, false);
    video.addEventListener('playing', function(){
      isPlaying = true;
    });
  }

  /*
  *
  * 值	    值类型	        值说明
    -1	  Number	    不是ie浏览器
    6	    Number	    ie版本<=6
    7	    Number	      ie7
    8	    Number	      ie8
    9	    Number	      ie9
    10	  Number	      ie10
    11	  Number	      ie11
    'edge'	String	    ie的edge浏览器
  * */
  function IEVersion() {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; //判断是否IE<11浏览器
    var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器
    var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;
    if(isIE) {
      var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
      reIE.test(userAgent);
      var fIEVersion = parseFloat(RegExp["$1"]);
      if(fIEVersion == 7) {
        return 7;
      } else if(fIEVersion == 8) {
        return 8;
      } else if(fIEVersion == 9) {
        return 9;
      } else if(fIEVersion == 10) {
        return 10;
      } else {
        return 6;//IE版本<=7
      }
    } else if(isEdge) {
      return 'edge';//edge
    } else if(isIE11) {
      return 11; //IE11
    }else{
      return -1;//不是ie浏览器
    }
  }

  function ltIE11() {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; //判断是否IE<11浏览器
    if (isIE) {
      return true;
    } else {
      return false;
    }
  }



  if ( !noGlobal ) {
    window.EZUIPlayer = EZUIPlayer;
  }
  return EZUIPlayer;
});