define(["exports"],(function(t){"use strict";var e=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},i=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var a in i)Object.prototype.hasOwnProperty.call(i,a)&&(t[a]=i[a])}return t},a=function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)},r=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e},s=function(){function t(){e(this,t),this.listeners={}}return t.prototype.on=function(t,e){this.listeners[t]||(this.listeners[t]=[]),this.listeners[t].push(e)},t.prototype.off=function(t,e){if(!this.listeners[t])return!1;var i=this.listeners[t].indexOf(e);return this.listeners[t].splice(i,1),i>-1},t.prototype.trigger=function(t){var e=this.listeners[t],i=void 0,a=void 0,r=void 0;if(e)if(2===arguments.length)for(a=e.length,i=0;i<a;++i)e[i].call(this,arguments[1]);else for(r=Array.prototype.slice.call(arguments,1),a=e.length,i=0;i<a;++i)e[i].apply(this,r)},t.prototype.dispose=function(){this.listeners={}},t.prototype.pipe=function(t){this.on("data",(function(e){t.push(e)}))},t}(),n=function(t){function i(){e(this,i);var a=r(this,t.call(this));return a.buffer="",a}return a(i,t),i.prototype.push=function(t){var e=void 0;for(this.buffer+=t,e=this.buffer.indexOf("\n");e>-1;e=this.buffer.indexOf("\n"))this.trigger("data",this.buffer.substring(0,e)),this.buffer=this.buffer.substring(e+1)},i}(s),u=function(t){for(var e=t.split(new RegExp('(?:^|,)((?:[^=]*)=(?:"[^"]*"|[^,]*))')),i={},a=e.length,r=void 0;a--;)""!==e[a]&&((r=/([^=]*)=(.*)/.exec(e[a]).slice(1))[0]=r[0].replace(/^\s+|\s+$/g,""),r[1]=r[1].replace(/^\s+|\s+$/g,""),r[1]=r[1].replace(/^['"](.*)['"]$/g,"$1"),i[r[0]]=r[1]);return i},o=function(t){function i(){e(this,i);var a=r(this,t.call(this));return a.customParsers=[],a}return a(i,t),i.prototype.push=function(t){var e=void 0,i=void 0;if(0!==(t=t.replace(/^[\u0000\s]+|[\u0000\s]+$/g,"")).length)if("#"===t[0]){for(var a=0;a<this.customParsers.length;a++)if(this.customParsers[a].call(this,t))return;if(0===t.indexOf("#EXT"))if(t=t.replace("\r",""),e=/^#EXTM3U/.exec(t))this.trigger("data",{type:"tag",tagType:"m3u"});else{if(e=/^#EXTINF:?([0-9\.]*)?,?(.*)?$/.exec(t))return i={type:"tag",tagType:"inf"},e[1]&&(i.duration=parseFloat(e[1])),e[2]&&(i.title=e[2]),void this.trigger("data",i);if(e=/^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(t))return i={type:"tag",tagType:"targetduration"},e[1]&&(i.duration=parseInt(e[1],10)),void this.trigger("data",i);if(e=/^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(t))return i={type:"tag",tagType:"totalduration"},e[1]&&(i.duration=parseInt(e[1],10)),void this.trigger("data",i);if(e=/^#EXT-X-VERSION:?([0-9.]*)?/.exec(t))return i={type:"tag",tagType:"version"},e[1]&&(i.version=parseInt(e[1],10)),void this.trigger("data",i);if(e=/^#EXT-X-MEDIA-SEQUENCE:?(\-?[0-9.]*)?/.exec(t))return i={type:"tag",tagType:"media-sequence"},e[1]&&(i.number=parseInt(e[1],10)),void this.trigger("data",i);if(e=/^#EXT-X-DISCONTINUITY-SEQUENCE:?(\-?[0-9.]*)?/.exec(t))return i={type:"tag",tagType:"discontinuity-sequence"},e[1]&&(i.number=parseInt(e[1],10)),void this.trigger("data",i);if(e=/^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(t))return i={type:"tag",tagType:"playlist-type"},e[1]&&(i.playlistType=e[1]),void this.trigger("data",i);if(e=/^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(t))return i={type:"tag",tagType:"byterange"},e[1]&&(i.length=parseInt(e[1],10)),e[2]&&(i.offset=parseInt(e[2],10)),void this.trigger("data",i);if(e=/^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(t))return i={type:"tag",tagType:"allow-cache"},e[1]&&(i.allowed=!/NO/.test(e[1])),void this.trigger("data",i);if(e=/^#EXT-X-MAP:?(.*)$/.exec(t)){if(i={type:"tag",tagType:"map"},e[1]){var r=u(e[1]);if(r.URI&&(i.uri=r.URI),r.BYTERANGE){var s=r.BYTERANGE.split("@"),n=s[0],o=s[1];i.byterange={},n&&(i.byterange.length=parseInt(n,10)),o&&(i.byterange.offset=parseInt(o,10))}}this.trigger("data",i)}else if(e=/^#EXT-X-STREAM-INF:?(.*)$/.exec(t)){if(i={type:"tag",tagType:"stream-inf"},e[1]){if(i.attributes=u(e[1]),i.attributes.RESOLUTION){var g=i.attributes.RESOLUTION.split("x"),f={};g[0]&&(f.width=parseInt(g[0],10)),g[1]&&(f.height=parseInt(g[1],10)),i.attributes.RESOLUTION=f}i.attributes.BANDWIDTH&&(i.attributes.BANDWIDTH=parseInt(i.attributes.BANDWIDTH,10)),i.attributes["PROGRAM-ID"]&&(i.attributes["PROGRAM-ID"]=parseInt(i.attributes["PROGRAM-ID"],10))}this.trigger("data",i)}else{if(e=/^#EXT-X-MEDIA:?(.*)$/.exec(t))return i={type:"tag",tagType:"media"},e[1]&&(i.attributes=u(e[1])),void this.trigger("data",i);if(e=/^#EXT-X-ENDLIST/.exec(t))this.trigger("data",{type:"tag",tagType:"endlist"});else if(e=/^#EXT-X-DISCONTINUITY/.exec(t))this.trigger("data",{type:"tag",tagType:"discontinuity"});else{if(e=/^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(t))return i={type:"tag",tagType:"program-date-time"},e[1]&&(i.dateTimeString=e[1],i.dateTimeObject=new Date(e[1])),void this.trigger("data",i);if(e=/^#EXT-X-KEY:?(.*)$/.exec(t))return i={type:"tag",tagType:"key"},e[1]&&(i.attributes=u(e[1]),i.attributes.IV&&("0x"===i.attributes.IV.substring(0,2).toLowerCase()&&(i.attributes.IV=i.attributes.IV.substring(2)),i.attributes.IV=i.attributes.IV.match(/.{8}/g),i.attributes.IV[0]=parseInt(i.attributes.IV[0],16),i.attributes.IV[1]=parseInt(i.attributes.IV[1],16),i.attributes.IV[2]=parseInt(i.attributes.IV[2],16),i.attributes.IV[3]=parseInt(i.attributes.IV[3],16),i.attributes.IV=new Uint32Array(i.attributes.IV))),void this.trigger("data",i);if(e=/^#EXT-X-START:?(.*)$/.exec(t))return i={type:"tag",tagType:"start"},e[1]&&(i.attributes=u(e[1]),i.attributes["TIME-OFFSET"]=parseFloat(i.attributes["TIME-OFFSET"]),i.attributes.PRECISE=/YES/.test(i.attributes.PRECISE)),void this.trigger("data",i);if(e=/^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(t))return i={type:"tag",tagType:"cue-out-cont"},e[1]?i.data=e[1]:i.data="",void this.trigger("data",i);if(e=/^#EXT-X-CUE-OUT:?(.*)?$/.exec(t))return i={type:"tag",tagType:"cue-out"},e[1]?i.data=e[1]:i.data="",void this.trigger("data",i);if(e=/^#EXT-X-CUE-IN:?(.*)?$/.exec(t))return i={type:"tag",tagType:"cue-in"},e[1]?i.data=e[1]:i.data="",void this.trigger("data",i);this.trigger("data",{type:"tag",data:t.slice(4)})}}}else this.trigger("data",{type:"comment",text:t.slice(1)})}else this.trigger("data",{type:"uri",uri:t})},i.prototype.addParser=function(t){var e=this,i=t.expression,a=t.customType,r=t.dataParser,s=t.segment;"function"!=typeof r&&(r=function(t){return t}),this.customParsers.push((function(t){if(i.exec(t))return e.trigger("data",{type:"custom",data:r(t),customType:a,segment:s}),!0}))},i}(s),g=function(t){function s(){e(this,s);var a=r(this,t.call(this));a.lineStream=new n,a.parseStream=new o,a.lineStream.pipe(a.parseStream);var u=a,g=[],f={},c=void 0,p=void 0,d=function(){},h={AUDIO:{},VIDEO:{},"CLOSED-CAPTIONS":{},SUBTITLES:{}},l=0;return a.manifest={allowCache:!0,discontinuityStarts:[],segments:[]},a.parseStream.on("data",(function(t){var e=void 0,a=void 0;({tag:function(){({"allow-cache":function(){this.manifest.allowCache=t.allowed,"allowed"in t||(this.trigger("info",{message:"defaulting allowCache to YES"}),this.manifest.allowCache=!0)},byterange:function(){var e={};"length"in t&&(f.byterange=e,e.length=t.length,"offset"in t||(this.trigger("info",{message:"defaulting offset to zero"}),t.offset=0)),"offset"in t&&(f.byterange=e,e.offset=t.offset)},endlist:function(){this.manifest.endList=!0},inf:function(){"mediaSequence"in this.manifest||(this.manifest.mediaSequence=0,this.trigger("info",{message:"defaulting media sequence to zero"})),"discontinuitySequence"in this.manifest||(this.manifest.discontinuitySequence=0,this.trigger("info",{message:"defaulting discontinuity sequence to zero"})),t.duration>0&&(f.duration=t.duration),0===t.duration&&(f.duration=.01,this.trigger("info",{message:"updating zero segment duration to a small value"})),this.manifest.segments=g},key:function(){t.attributes?"NONE"!==t.attributes.METHOD?t.attributes.URI?(t.attributes.METHOD||this.trigger("warn",{message:"defaulting key method to AES-128"}),p={method:t.attributes.METHOD||"AES-128",uri:t.attributes.URI},void 0!==t.attributes.IV&&(p.iv=t.attributes.IV)):this.trigger("warn",{message:"ignoring key declaration without URI"}):p=null:this.trigger("warn",{message:"ignoring key declaration without attribute list"})},"media-sequence":function(){isFinite(t.number)?this.manifest.mediaSequence=t.number:this.trigger("warn",{message:"ignoring invalid media sequence: "+t.number})},"discontinuity-sequence":function(){isFinite(t.number)?(this.manifest.discontinuitySequence=t.number,l=t.number):this.trigger("warn",{message:"ignoring invalid discontinuity sequence: "+t.number})},"playlist-type":function(){/VOD|EVENT/.test(t.playlistType)?this.manifest.playlistType=t.playlistType:this.trigger("warn",{message:"ignoring unknown playlist type: "+t.playlist})},map:function(){c={},t.uri&&(c.uri=t.uri),t.byterange&&(c.byterange=t.byterange)},"stream-inf":function(){this.manifest.playlists=g,this.manifest.mediaGroups=this.manifest.mediaGroups||h,t.attributes?(f.attributes||(f.attributes={}),i(f.attributes,t.attributes)):this.trigger("warn",{message:"ignoring empty stream-inf attributes"})},media:function(){if(this.manifest.mediaGroups=this.manifest.mediaGroups||h,t.attributes&&t.attributes.TYPE&&t.attributes["GROUP-ID"]&&t.attributes.NAME){var i=this.manifest.mediaGroups[t.attributes.TYPE];i[t.attributes["GROUP-ID"]]=i[t.attributes["GROUP-ID"]]||{},e=i[t.attributes["GROUP-ID"]],(a={default:/yes/i.test(t.attributes.DEFAULT)}).default?a.autoselect=!0:a.autoselect=/yes/i.test(t.attributes.AUTOSELECT),t.attributes.LANGUAGE&&(a.language=t.attributes.LANGUAGE),t.attributes.URI&&(a.uri=t.attributes.URI),t.attributes["INSTREAM-ID"]&&(a.instreamId=t.attributes["INSTREAM-ID"]),t.attributes.CHARACTERISTICS&&(a.characteristics=t.attributes.CHARACTERISTICS),t.attributes.FORCED&&(a.forced=/yes/i.test(t.attributes.FORCED)),e[t.attributes.NAME]=a}else this.trigger("warn",{message:"ignoring incomplete or missing media group"})},discontinuity:function(){l+=1,f.discontinuity=!0,this.manifest.discontinuityStarts.push(g.length)},"program-date-time":function(){void 0===this.manifest.dateTimeString&&(this.manifest.dateTimeString=t.dateTimeString,this.manifest.dateTimeObject=t.dateTimeObject),f.dateTimeString=t.dateTimeString,f.dateTimeObject=t.dateTimeObject},targetduration:function(){!isFinite(t.duration)||t.duration<0?this.trigger("warn",{message:"ignoring invalid target duration: "+t.duration}):this.manifest.targetDuration=t.duration},totalduration:function(){!isFinite(t.duration)||t.duration<0?this.trigger("warn",{message:"ignoring invalid total duration: "+t.duration}):this.manifest.totalDuration=t.duration},start:function(){t.attributes&&!isNaN(t.attributes["TIME-OFFSET"])?this.manifest.start={timeOffset:t.attributes["TIME-OFFSET"],precise:t.attributes.PRECISE}:this.trigger("warn",{message:"ignoring start declaration without appropriate attribute list"})},"cue-out":function(){f.cueOut=t.data},"cue-out-cont":function(){f.cueOutCont=t.data},"cue-in":function(){f.cueIn=t.data}}[t.tagType]||d).call(u)},uri:function(){f.uri=t.uri,g.push(f),this.manifest.targetDuration&&!("duration"in f)&&(this.trigger("warn",{message:"defaulting segment duration to the target duration"}),f.duration=this.manifest.targetDuration),p&&(f.key=p),f.timeline=l,c&&(f.map=c),f={}},comment:function(){},custom:function(){t.segment?(f.custom=f.custom||{},f.custom[t.customType]=t.data):(this.manifest.custom=this.manifest.custom||{},this.manifest.custom[t.customType]=t.data)}})[t.type].call(u)})),a}return a(s,t),s.prototype.push=function(t){this.lineStream.push(t)},s.prototype.end=function(){this.lineStream.push("\n")},s.prototype.addParser=function(t){this.parseStream.addParser(t)},s}(s);t.LineStream=n,t.ParseStream=o,t.Parser=g,Object.defineProperty(t,"__esModule",{value:!0})}));
//# sourceMappingURL=m3u8-parser.js-vflC3krZN.map