
            flashvars.controlBarAutoHide = true;
            flashvars.plugin_hls = $URL + "HLSDynamicPlugin.swf";
            flashvars.VolumeMenuButton = $URL + "HLSDynamicPlugin.swf";
            flashvars.javascriptCallbackFunction = 'onJavaScriptBridgeCreated';

            //params：（对象类型，可选）使用 name:value 的形式指定加载 swf 文件时的 Flash 参数；
            var flashvarsObj = {}
            flashvarsObj.allowFullScreen = true;

            //attributes：（对象