(window.webpackJsonp=window.webpackJsonp||[]).push([[64],{287:function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=function(){function e(e,t){for(var i=0;i<t.length;i++){var r=t[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,r,n){return r&&e(t.prototype,r),n&&e(t,n),t}}();function l(e){return e&&e.__esModule?e:{default:e}}var o=l(r(836)),h=r(48),d=l(r(429)),c=l(r(0)),f=function(e,t,r){var n=t.slice();r=r||0;for(var l=Math.min(e.length,t.length+r),i=r;i<l;i++)n[i-r]=(0,h.mergeOptions)(e[i],n[i-r]);return n};t.updateSegments=f;var m=function(e,t){e.resolvedUri||(e.resolvedUri=(0,o.default)(t,e.uri)),e.key&&!e.key.resolvedUri&&(e.key.resolvedUri=(0,o.default)(t,e.key.uri)),e.map&&!e.map.resolvedUri&&(e.map.resolvedUri=(0,o.default)(t,e.map.uri))};t.resolveSegmentUris=m;var _=function(e,t){var r=(0,h.mergeOptions)(e,{}),n=r.playlists.filter(function(p){return p.uri===t.uri})[0];if(!n)return null;if(n.segments&&t.segments&&n.segments.length===t.segments.length&&n.mediaSequence===t.mediaSequence)return null;var l=(0,h.mergeOptions)(n,t);n.segments&&(l.segments=f(n.segments,t.segments,t.mediaSequence-n.mediaSequence)),l.segments.forEach(function(e){m(e,l.resolvedUri)});for(var i=0;i<r.playlists.length;i++)r.playlists[i].uri===t.uri&&(r.playlists[i]=l);return r.playlists[t.uri]=l,r};t.updateMaster=_;var v=function(e){for(var i=e.playlists.length;i--;){var t=e.playlists[i];e.playlists[t.uri]=t,t.resolvedUri=(0,o.default)(e.uri,t.uri),t.attributes||(t.attributes={},h.log.warn("Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute."))}};t.setupMediaPlaylists=v;var T=function(e){["AUDIO","SUBTITLES"].forEach(function(t){for(var r in e.mediaGroups[t])for(var n in e.mediaGroups[t][r]){var l=e.mediaGroups[t][r][n];l.uri&&(l.resolvedUri=(0,o.default)(e.uri,l.uri))}})};t.resolveMediaGroupUris=T;var y=function(e,t){var r=e.segments[e.segments.length-1];return t&&r&&r.duration?1e3*r.duration:500*(e.targetDuration||10)};t.refreshDelay=y;var k=function(e){function t(e,r,n){var l=this;if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),function(e,t,r){for(var n=!0;n;){var object=e,l=t,o=r;n=!1,null===object&&(object=Function.prototype);var desc=Object.getOwnPropertyDescriptor(object,l);if(void 0!==desc){if("value"in desc)return desc.value;var h=desc.get;if(void 0===h)return;return h.call(o)}var d=Object.getPrototypeOf(object);if(null===d)return;e=d,t=l,r=o,n=!0,desc=d=void 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n=!this.media_||e.uri!==this.media_.uri;if(this.master.playlists[e.uri].endList)return this.request&&(this.request.onreadystatechange=null,this.request.abort(),this.request=null),this.state="HAVE_METADATA",this.media_=e,void(n&&(this.trigger("mediachanging"),this.trigger("mediachange")));if(n){if(this.state="SWITCHING_MEDIA",this.request){if(e.resolvedUri===this.request.url)return;this.request.onreadystatechange=null,this.request.abort(),this.request=null}this.media_&&this.trigger("mediachanging"),this.request=this.hls_.xhr({uri:e.resolvedUri,withCredentials:this.withCredentials},function(n,l){if(t.request){if(e.resolvedUri=t.resolveManifestRedirect(e.resolvedUri,l),n)return t.playlistRequestError(t.request,e.uri,r);t.haveMetadata(l,e.uri),"HAVE_MASTER"===r?t.trigger("loadedmetadata"):t.trigger("mediachange")}})}}},{key:"resolveManifestRedirect",value:function(e,t){return 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e=this.tech_.currentTime(),t=this.tech_.buffered();if(this.lastRecordedTime===e&&(!t.length||e+h.default.SAFE_TIME_DELTA>=t.end(t.length-1)))return this.techWaiting_();this.consecutiveUpdates>=5&&e===this.lastRecordedTime?(this.consecutiveUpdates++,this.waiting_()):e===this.lastRecordedTime?this.consecutiveUpdates++:(this.consecutiveUpdates=0,this.lastRecordedTime=e)}}},{key:"cancelTimer_",value:function(){this.consecutiveUpdates=0,this.timer_&&(this.logger_("cancelTimer_"),clearTimeout(this.timer_)),this.timer_=null}},{key:"fixesBadSeeks_",value:function(){var e=this.tech_.seeking(),t=this.seekable(),r=this.tech_.currentTime(),n=void 0;e&&this.afterSeekableWindow_(t,r)&&(n=t.end(t.length-1));e&&this.beforeSeekableWindow_(t,r)&&(n=t.start(0)+h.default.SAFE_TIME_DELTA);return void 0!==n&&(this.logger_("Trying to seek outside of seekable at time "+r+" with seekable range "+h.default.printableRange(t)+". Seeking to "+n+"."),this.tech_.setCurrentTime(n),!0)}},{key:"waiting_",value:function(){if(!this.techWaiting_()){var e=this.tech_.currentTime(),t=this.tech_.buffered(),r=h.default.findRange(t,e);return r.length&&e+3<=r.end(0)?(this.cancelTimer_(),this.tech_.setCurrentTime(e),this.logger_("Stopped at "+e+" while inside a buffered region ["+r.start(0)+" -> "+r.end(0)+"]. Attempting to resume playback by seeking to the current time."),void this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})):void 0}}},{key:"techWaiting_",value:function(){var e=this.seekable(),t=this.tech_.currentTime();if(this.tech_.seeking()&&this.fixesBadSeeks_())return!0;if(this.tech_.seeking()||null!==this.timer_)return!0;if(this.beforeSeekableWindow_(e,t)){var r=e.end(e.length-1);return this.logger_("Fell out of live window at time "+t+". Seeking to live point (seekable end) "+r),this.cancelTimer_(),this.tech_.setCurrentTime(r),this.tech_.trigger({type:"usage",name:"hls-live-resync"}),!0}var n=this.tech_.buffered(),l=h.default.findNextRange(n,t);if(this.videoUnderflow_(l,n,t))return this.cancelTimer_(),this.tech_.setCurrentTime(t),this.tech_.trigger({type:"usage",name:"hls-video-underflow"}),!0;if(l.length>0){var o=l.start(0)-t;return this.logger_("Stopped at "+t+", setting timer for "+o+", seeking to "+l.start(0)),this.timer_=setTimeout(this.skipTheGap_.bind(this),1e3*o,t),!0}return!1}},{key:"afterSeekableWindow_",value:function(e,t){return!!e.length&&t>e.end(e.length-1)+h.default.SAFE_TIME_DELTA}},{key:"beforeSeekableWindow_",value:function(e,t){return!!(e.length&&e.start(0)>0&&t<e.start(0)-h.default.SAFE_TIME_DELTA)}},{key:"videoUnderflow_",value:function(e,t,r){if(0===e.length){var n=this.gapFromVideoUnderflow_(t,r);if(n)return this.logger_("Encountered a gap in video from "+n.start+" to "+n.end+". Seeking to current time "+r),!0}return!1}},{key:"skipTheGap_",value:function(e){var t=this.tech_.buffered(),r=this.tech_.currentTime(),n=h.default.findNextRange(t,r);this.cancelTimer_(),0!==n.length&&r===e&&(this.logger_("skipTheGap_:","currentTime:",r,"scheduled currentTime:",e,"nextRange start:",n.start(0)),this.tech_.setCurrentTime(n.start(0)+h.default.TIME_FUDGE_FACTOR),this.tech_.trigger({type:"usage",name:"hls-gap-skip"}))}},{key:"gapFromVideoUnderflow_",value:function(e,t){for(var r=h.default.findGaps(e),i=0;i<r.length;i++){var n=r.start(i),l=r.end(i);if(t-n<4&&t-n>2)return{start:n,end:l}}return null}},{key:"logger_",value:function(){}}]),e}();t.default=f,e.exports=t.default}}]);