3 lines
25 KiB
JavaScript
3 lines
25 KiB
JavaScript
/*! @name m3u8-parser @version 7.2.0 @license Apache-2.0 */
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).m3u8Parser={})}(this,(function(t){"use strict";var e=function(){function t(){this.listeners={}}var e=t.prototype;return e.on=function(t,e){this.listeners[t]||(this.listeners[t]=[]),this.listeners[t].push(e)},e.off=function(t,e){if(!this.listeners[t])return!1;var i=this.listeners[t].indexOf(e);return this.listeners[t]=this.listeners[t].slice(0),this.listeners[t].splice(i,1),i>-1},e.trigger=function(t){var e=this.listeners[t];if(e)if(2===arguments.length)for(var i=e.length,s=0;s<i;++s)e[s].call(this,arguments[1]);else for(var a=Array.prototype.slice.call(arguments,1),r=e.length,n=0;n<r;++n)e[n].apply(this,a)},e.dispose=function(){this.listeners={}},e.pipe=function(t){this.on("data",(function(e){t.push(e)}))},t}();class i extends e{constructor(){super(),this.buffer=""}push(t){let e;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)}}function s(){return a=s=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var i=arguments[e];for(var s in i)Object.prototype.hasOwnProperty.call(i,s)&&(t[s]=i[s])}return t},s.apply(this,arguments)}var a=s,r=a;const n=String.fromCharCode(9),u=function(t){const e=/([0-9.]*)?@?([0-9.]*)?/.exec(t||""),i={};return e[1]&&(i.length=parseInt(e[1],10)),e[2]&&(i.offset=parseInt(e[2],10)),i},o=function(t){const e={};if(!t)return e;const i=t.split(new RegExp('(?:^|,)((?:[^=]*)=(?:"[^"]*"|[^,]*))'));let s,a=i.length;for(;a--;)""!==i[a]&&(s=/([^=]*)=(.*)/.exec(i[a]).slice(1),s[0]=s[0].replace(/^\s+|\s+$/g,""),s[1]=s[1].replace(/^\s+|\s+$/g,""),s[1]=s[1].replace(/^['"](.*)['"]$/g,"$1"),e[s[0]]=s[1]);return e},g=t=>{const e=t.split("x"),i={};return e[0]&&(i.width=parseInt(e[0],10)),e[1]&&(i.height=parseInt(e[1],10)),i};class h extends e{constructor(){super(),this.customParsers=[],this.tagMappers=[]}push(t){let e,i;if(0===(t=t.trim()).length)return;if("#"!==t[0])return void this.trigger("data",{type:"uri",uri:t});this.tagMappers.reduce(((e,i)=>{const s=i(t);return s===t?e:e.concat([s])}),[t]).forEach((t=>{for(let e=0;e<this.customParsers.length;e++)if(this.customParsers[e].call(this,t))return;if(0===t.indexOf("#EXT"))if(t=t.replace("\r",""),e=/^#EXTM3U/.exec(t),e)this.trigger("data",{type:"tag",tagType:"m3u"});else{if(e=/^#EXTINF:([0-9\.]*)?,?(.*)?$/.exec(t),e)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),e)return i={type:"tag",tagType:"targetduration"},e[1]&&(i.duration=parseInt(e[1],10)),void this.trigger("data",i);if(e=/^#EXT-X-VERSION:([0-9.]*)?/.exec(t),e)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),e)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),e)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:(.*)?$/.exec(t),e)return i={type:"tag",tagType:"playlist-type"},e[1]&&(i.playlistType=e[1]),void this.trigger("data",i);if(e=/^#EXT-X-BYTERANGE:(.*)?$/.exec(t),e)return i=r(u(e[1]),{type:"tag",tagType:"byterange"}),void this.trigger("data",i);if(e=/^#EXT-X-ALLOW-CACHE:(YES|NO)?/.exec(t),e)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:(.*)$/.exec(t),e){if(i={type:"tag",tagType:"map"},e[1]){const t=o(e[1]);t.URI&&(i.uri=t.URI),t.BYTERANGE&&(i.byterange=u(t.BYTERANGE))}this.trigger("data",i)}else{if(e=/^#EXT-X-STREAM-INF:(.*)$/.exec(t),e)return i={type:"tag",tagType:"stream-inf"},e[1]&&(i.attributes=o(e[1]),i.attributes.RESOLUTION&&(i.attributes.RESOLUTION=g(i.attributes.RESOLUTION)),i.attributes.BANDWIDTH&&(i.attributes.BANDWIDTH=parseInt(i.attributes.BANDWIDTH,10)),i.attributes["FRAME-RATE"]&&(i.attributes["FRAME-RATE"]=parseFloat(i.attributes["FRAME-RATE"])),i.attributes["PROGRAM-ID"]&&(i.attributes["PROGRAM-ID"]=parseInt(i.attributes["PROGRAM-ID"],10))),void this.trigger("data",i);if(e=/^#EXT-X-MEDIA:(.*)$/.exec(t),e)return i={type:"tag",tagType:"media"},e[1]&&(i.attributes=o(e[1])),void this.trigger("data",i);if(e=/^#EXT-X-ENDLIST/.exec(t),e)this.trigger("data",{type:"tag",tagType:"endlist"});else if(e=/^#EXT-X-DISCONTINUITY/.exec(t),e)this.trigger("data",{type:"tag",tagType:"discontinuity"});else{if(e=/^#EXT-X-PROGRAM-DATE-TIME:(.*)$/.exec(t),e)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:(.*)$/.exec(t),e)return i={type:"tag",tagType:"key"},e[1]&&(i.attributes=o(e[1]),i.attributes.IV&&("0x"===i.attributes.IV.substring(0,2).toLowerCase()&&(i.attributes.IV=i.attributes.IV.substring(2)),i.attributes.IV=i.attributes.IV.match(/.{8}/g),i.attributes.IV[0]=parseInt(i.attributes.IV[0],16),i.attributes.IV[1]=parseInt(i.attributes.IV[1],16),i.attributes.IV[2]=parseInt(i.attributes.IV[2],16),i.attributes.IV[3]=parseInt(i.attributes.IV[3],16),i.attributes.IV=new Uint32Array(i.attributes.IV))),void this.trigger("data",i);if(e=/^#EXT-X-START:(.*)$/.exec(t),e)return i={type:"tag",tagType:"start"},e[1]&&(i.attributes=o(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:(.*)?$/.exec(t),e)return i={type:"tag",tagType:"cue-out-cont"},e[1]?i.data=e[1]:i.data="",void this.trigger("data",i);if(e=/^#EXT-X-CUE-OUT:(.*)?$/.exec(t),e)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:?(.*)?$/.exec(t),e)return i={type:"tag",tagType:"cue-in"},e[1]?i.data=e[1]:i.data="",void this.trigger("data",i);if(e=/^#EXT-X-SKIP:(.*)$/.exec(t),e&&e[1])return i={type:"tag",tagType:"skip"},i.attributes=o(e[1]),i.attributes.hasOwnProperty("SKIPPED-SEGMENTS")&&(i.attributes["SKIPPED-SEGMENTS"]=parseInt(i.attributes["SKIPPED-SEGMENTS"],10)),i.attributes.hasOwnProperty("RECENTLY-REMOVED-DATERANGES")&&(i.attributes["RECENTLY-REMOVED-DATERANGES"]=i.attributes["RECENTLY-REMOVED-DATERANGES"].split(n)),void this.trigger("data",i);if(e=/^#EXT-X-PART:(.*)$/.exec(t),e&&e[1])return i={type:"tag",tagType:"part"},i.attributes=o(e[1]),["DURATION"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),["INDEPENDENT","GAP"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=/YES/.test(i.attributes[t]))})),i.attributes.hasOwnProperty("BYTERANGE")&&(i.attributes.byterange=u(i.attributes.BYTERANGE)),void this.trigger("data",i);if(e=/^#EXT-X-SERVER-CONTROL:(.*)$/.exec(t),e&&e[1])return i={type:"tag",tagType:"server-control"},i.attributes=o(e[1]),["CAN-SKIP-UNTIL","PART-HOLD-BACK","HOLD-BACK"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),["CAN-SKIP-DATERANGES","CAN-BLOCK-RELOAD"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=/YES/.test(i.attributes[t]))})),void this.trigger("data",i);if(e=/^#EXT-X-PART-INF:(.*)$/.exec(t),e&&e[1])return i={type:"tag",tagType:"part-inf"},i.attributes=o(e[1]),["PART-TARGET"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),void this.trigger("data",i);if(e=/^#EXT-X-PRELOAD-HINT:(.*)$/.exec(t),e&&e[1])return i={type:"tag",tagType:"preload-hint"},i.attributes=o(e[1]),["BYTERANGE-START","BYTERANGE-LENGTH"].forEach((function(t){if(i.attributes.hasOwnProperty(t)){i.attributes[t]=parseInt(i.attributes[t],10);const e="BYTERANGE-LENGTH"===t?"length":"offset";i.attributes.byterange=i.attributes.byterange||{},i.attributes.byterange[e]=i.attributes[t],delete i.attributes[t]}})),void this.trigger("data",i);if(e=/^#EXT-X-RENDITION-REPORT:(.*)$/.exec(t),e&&e[1])return i={type:"tag",tagType:"rendition-report"},i.attributes=o(e[1]),["LAST-MSN","LAST-PART"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseInt(i.attributes[t],10))})),void this.trigger("data",i);if(e=/^#EXT-X-DATERANGE:(.*)$/.exec(t),e&&e[1]){i={type:"tag",tagType:"daterange"},i.attributes=o(e[1]),["ID","CLASS"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=String(i.attributes[t]))})),["START-DATE","END-DATE"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=new Date(i.attributes[t]))})),["DURATION","PLANNED-DURATION"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=parseFloat(i.attributes[t]))})),["END-ON-NEXT"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=/YES/i.test(i.attributes[t]))})),["SCTE35-CMD"," SCTE35-OUT","SCTE35-IN"].forEach((function(t){i.attributes.hasOwnProperty(t)&&(i.attributes[t]=i.attributes[t].toString(16))}));const t=/^X-([A-Z]+-)+[A-Z]+$/;for(const e in i.attributes){if(!t.test(e))continue;const s=/[0-9A-Fa-f]{6}/g.test(i.attributes[e]),a=/^\d+(\.\d+)?$/.test(i.attributes[e]);i.attributes[e]=s?i.attributes[e].toString(16):a?parseFloat(i.attributes[e]):String(i.attributes[e])}this.trigger("data",i)}else if(e=/^#EXT-X-INDEPENDENT-SEGMENTS/.exec(t),e)this.trigger("data",{type:"tag",tagType:"independent-segments"});else if(e=/^#EXT-X-I-FRAMES-ONLY/.exec(t),e)this.trigger("data",{type:"tag",tagType:"i-frames-only"});else{if(e=/^#EXT-X-CONTENT-STEERING:(.*)$/.exec(t),e)return i={type:"tag",tagType:"content-steering"},i.attributes=o(e[1]),void this.trigger("data",i);if(e=/^#EXT-X-I-FRAME-STREAM-INF:(.*)$/.exec(t),e)return i={type:"tag",tagType:"i-frame-playlist"},i.attributes=o(e[1]),i.attributes.URI&&(i.uri=i.attributes.URI),i.attributes.BANDWIDTH&&(i.attributes.BANDWIDTH=parseInt(i.attributes.BANDWIDTH,10)),i.attributes.RESOLUTION&&(i.attributes.RESOLUTION=g(i.attributes.RESOLUTION)),i.attributes["AVERAGE-BANDWIDTH"]&&(i.attributes["AVERAGE-BANDWIDTH"]=parseInt(i.attributes["AVERAGE-BANDWIDTH"],10)),i.attributes["FRAME-RATE"]&&(i.attributes["FRAME-RATE"]=parseFloat(i.attributes["FRAME-RATE"])),void this.trigger("data",i);if(e=/^#EXT-X-DEFINE:(.*)$/.exec(t),e)return i={type:"tag",tagType:"define"},i.attributes=o(e[1]),void this.trigger("data",i);this.trigger("data",{type:"tag",data:t.slice(4)})}}}}else this.trigger("data",{type:"comment",text:t.slice(1)})}))}addParser({expression:t,customType:e,dataParser:i,segment:s}){"function"!=typeof i&&(i=t=>t),this.customParsers.push((a=>{if(t.exec(a))return this.trigger("data",{type:"custom",data:i(a),customType:e,segment:s}),!0}))}addTagMapper({expression:t,map:e}){this.tagMappers.push((i=>t.test(i)?e(i):i))}}function E(t){for(var e,i=(e=t,window.atob?window.atob(e):Buffer.from(e,"base64").toString("binary")),s=new Uint8Array(i.length),a=0;a<i.length;a++)s[a]=i.charCodeAt(a);return s}const d=function(t){const e={};return Object.keys(t).forEach((function(i){var s;e[(s=i,s.toLowerCase().replace(/-(\w)/g,(t=>t[1].toUpperCase())))]=t[i]})),e},f=function(t){const{serverControl:e,targetDuration:i,partTargetDuration:s}=t;if(!e)return;const a="#EXT-X-SERVER-CONTROL",r="holdBack",n="partHoldBack",u=i&&3*i,o=s&&2*s;i&&!e.hasOwnProperty(r)&&(e[r]=u,this.trigger("info",{message:`${a} defaulting HOLD-BACK to targetDuration * 3 (${u}).`})),u&&e[r]<u&&(this.trigger("warn",{message:`${a} clamping HOLD-BACK (${e[r]}) to targetDuration * 3 (${u})`}),e[r]=u),s&&!e.hasOwnProperty(n)&&(e[n]=3*s,this.trigger("info",{message:`${a} defaulting PART-HOLD-BACK to partTargetDuration * 3 (${e[n]}).`})),s&&e[n]<o&&(this.trigger("warn",{message:`${a} clamping PART-HOLD-BACK (${e[n]}) to partTargetDuration * 2 (${o}).`}),e[n]=o)};t.LineStream=i,t.ParseStream=h,t.Parser=class extends e{constructor(t={}){super(),this.lineStream=new i,this.parseStream=new h,this.lineStream.pipe(this.parseStream),this.mainDefinitions=t.mainDefinitions||{},this.params=new URL(t.uri,"https://a.com").searchParams,this.lastProgramDateTime=null;const e=this,s=[];let a,n,u={},o=!1;const g=function(){},p={AUDIO:{},VIDEO:{},"CLOSED-CAPTIONS":{},SUBTITLES:{}};let T=0;this.manifest={allowCache:!0,discontinuityStarts:[],dateRanges:[],iFramePlaylists:[],segments:[]};let m=0,b=0;const c={};this.on("end",(()=>{u.uri||!u.parts&&!u.preloadHints||(!u.map&&a&&(u.map=a),!u.key&&n&&(u.key=n),u.timeline||"number"!=typeof T||(u.timeline=T),this.manifest.preloadSegment=u)})),this.parseStream.on("data",(function(t){let i,h;if(e.manifest.definitions)for(const i in e.manifest.definitions)if(t.uri&&(t.uri=t.uri.replace(`{$${i}}`,e.manifest.definitions[i])),t.attributes)for(const s in t.attributes)"string"==typeof t.attributes[s]&&(t.attributes[s]=t.attributes[s].replace(`{$${i}}`,e.manifest.definitions[i]));({tag(){({version(){t.version&&(this.manifest.version=t.version)},"allow-cache"(){this.manifest.allowCache=t.allowed,"allowed"in t||(this.trigger("info",{message:"defaulting allowCache to YES"}),this.manifest.allowCache=!0)},byterange(){const e={};"length"in t&&(u.byterange=e,e.length=t.length,"offset"in t||(t.offset=m)),"offset"in t&&(u.byterange=e,e.offset=t.offset),m=e.offset+e.length},endlist(){this.manifest.endList=!0},inf(){"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.title&&(u.title=t.title),t.duration>0&&(u.duration=t.duration),0===t.duration&&(u.duration=.01,this.trigger("info",{message:"updating zero segment duration to a small value"})),this.manifest.segments=s},key(){if(t.attributes)if("NONE"!==t.attributes.METHOD)if(t.attributes.URI){if("com.apple.streamingkeydelivery"===t.attributes.KEYFORMAT)return this.manifest.contentProtection=this.manifest.contentProtection||{},void(this.manifest.contentProtection["com.apple.fps.1_0"]={attributes:t.attributes});if("com.microsoft.playready"===t.attributes.KEYFORMAT)return this.manifest.contentProtection=this.manifest.contentProtection||{},void(this.manifest.contentProtection["com.microsoft.playready"]={uri:t.attributes.URI});if("urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"===t.attributes.KEYFORMAT){return-1===["SAMPLE-AES","SAMPLE-AES-CTR","SAMPLE-AES-CENC"].indexOf(t.attributes.METHOD)?void this.trigger("warn",{message:"invalid key method provided for Widevine"}):("SAMPLE-AES-CENC"===t.attributes.METHOD&&this.trigger("warn",{message:"SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead"}),"data:text/plain;base64,"!==t.attributes.URI.substring(0,23)?void this.trigger("warn",{message:"invalid key URI provided for Widevine"}):t.attributes.KEYID&&"0x"===t.attributes.KEYID.substring(0,2)?(this.manifest.contentProtection=this.manifest.contentProtection||{},void(this.manifest.contentProtection["com.widevine.alpha"]={attributes:{schemeIdUri:t.attributes.KEYFORMAT,keyId:t.attributes.KEYID.substring(2)},pssh:E(t.attributes.URI.split(",")[1])})):void this.trigger("warn",{message:"invalid key ID provided for Widevine"}))}t.attributes.METHOD||this.trigger("warn",{message:"defaulting key method to AES-128"}),n={method:t.attributes.METHOD||"AES-128",uri:t.attributes.URI},void 0!==t.attributes.IV&&(n.iv=t.attributes.IV)}else this.trigger("warn",{message:"ignoring key declaration without URI"});else n=null;else this.trigger("warn",{message:"ignoring key declaration without attribute list"})},"media-sequence"(){isFinite(t.number)?this.manifest.mediaSequence=t.number:this.trigger("warn",{message:"ignoring invalid media sequence: "+t.number})},"discontinuity-sequence"(){isFinite(t.number)?(this.manifest.discontinuitySequence=t.number,T=t.number):this.trigger("warn",{message:"ignoring invalid discontinuity sequence: "+t.number})},"playlist-type"(){/VOD|EVENT/.test(t.playlistType)?this.manifest.playlistType=t.playlistType:this.trigger("warn",{message:"ignoring unknown playlist type: "+t.playlist})},map(){a={},t.uri&&(a.uri=t.uri),t.byterange&&(a.byterange=t.byterange),n&&(a.key=n)},"stream-inf"(){this.manifest.playlists=s,this.manifest.mediaGroups=this.manifest.mediaGroups||p,t.attributes?(u.attributes||(u.attributes={}),r(u.attributes,t.attributes)):this.trigger("warn",{message:"ignoring empty stream-inf attributes"})},media(){if(this.manifest.mediaGroups=this.manifest.mediaGroups||p,!(t.attributes&&t.attributes.TYPE&&t.attributes["GROUP-ID"]&&t.attributes.NAME))return void this.trigger("warn",{message:"ignoring incomplete or missing media group"});const e=this.manifest.mediaGroups[t.attributes.TYPE];e[t.attributes["GROUP-ID"]]=e[t.attributes["GROUP-ID"]]||{},i=e[t.attributes["GROUP-ID"]],h={default:/yes/i.test(t.attributes.DEFAULT)},h.default?h.autoselect=!0:h.autoselect=/yes/i.test(t.attributes.AUTOSELECT),t.attributes.LANGUAGE&&(h.language=t.attributes.LANGUAGE),t.attributes.URI&&(h.uri=t.attributes.URI),t.attributes["INSTREAM-ID"]&&(h.instreamId=t.attributes["INSTREAM-ID"]),t.attributes.CHARACTERISTICS&&(h.characteristics=t.attributes.CHARACTERISTICS),t.attributes.FORCED&&(h.forced=/yes/i.test(t.attributes.FORCED)),i[t.attributes.NAME]=h},discontinuity(){T+=1,u.discontinuity=!0,this.manifest.discontinuityStarts.push(s.length)},"program-date-time"(){void 0===this.manifest.dateTimeString&&(this.manifest.dateTimeString=t.dateTimeString,this.manifest.dateTimeObject=t.dateTimeObject),u.dateTimeString=t.dateTimeString,u.dateTimeObject=t.dateTimeObject;const{lastProgramDateTime:e}=this;this.lastProgramDateTime=new Date(t.dateTimeString).getTime(),null===e&&this.manifest.segments.reduceRight(((t,e)=>(e.programDateTime=t-1e3*e.duration,e.programDateTime)),this.lastProgramDateTime)},targetduration(){!isFinite(t.duration)||t.duration<0?this.trigger("warn",{message:"ignoring invalid target duration: "+t.duration}):(this.manifest.targetDuration=t.duration,f.call(this,this.manifest))},start(){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"(){u.cueOut=t.data},"cue-out-cont"(){u.cueOutCont=t.data},"cue-in"(){u.cueIn=t.data},skip(){this.manifest.skip=d(t.attributes),this.warnOnMissingAttributes_("#EXT-X-SKIP",t.attributes,["SKIPPED-SEGMENTS"])},part(){o=!0;const e=this.manifest.segments.length,i=d(t.attributes);u.parts=u.parts||[],u.parts.push(i),i.byterange&&(i.byterange.hasOwnProperty("offset")||(i.byterange.offset=b),b=i.byterange.offset+i.byterange.length);const s=u.parts.length-1;this.warnOnMissingAttributes_(`#EXT-X-PART #${s} for segment #${e}`,t.attributes,["URI","DURATION"]),this.manifest.renditionReports&&this.manifest.renditionReports.forEach(((t,e)=>{t.hasOwnProperty("lastPart")||this.trigger("warn",{message:`#EXT-X-RENDITION-REPORT #${e} lacks required attribute(s): LAST-PART`})}))},"server-control"(){const e=this.manifest.serverControl=d(t.attributes);e.hasOwnProperty("canBlockReload")||(e.canBlockReload=!1,this.trigger("info",{message:"#EXT-X-SERVER-CONTROL defaulting CAN-BLOCK-RELOAD to false"})),f.call(this,this.manifest),e.canSkipDateranges&&!e.hasOwnProperty("canSkipUntil")&&this.trigger("warn",{message:"#EXT-X-SERVER-CONTROL lacks required attribute CAN-SKIP-UNTIL which is required when CAN-SKIP-DATERANGES is set"})},"preload-hint"(){const e=this.manifest.segments.length,i=d(t.attributes),s=i.type&&"PART"===i.type;u.preloadHints=u.preloadHints||[],u.preloadHints.push(i),i.byterange&&(i.byterange.hasOwnProperty("offset")||(i.byterange.offset=s?b:0,s&&(b=i.byterange.offset+i.byterange.length)));const a=u.preloadHints.length-1;if(this.warnOnMissingAttributes_(`#EXT-X-PRELOAD-HINT #${a} for segment #${e}`,t.attributes,["TYPE","URI"]),i.type)for(let t=0;t<u.preloadHints.length-1;t++){const s=u.preloadHints[t];s.type&&(s.type===i.type&&this.trigger("warn",{message:`#EXT-X-PRELOAD-HINT #${a} for segment #${e} has the same TYPE ${i.type} as preload hint #${t}`}))}},"rendition-report"(){const e=d(t.attributes);this.manifest.renditionReports=this.manifest.renditionReports||[],this.manifest.renditionReports.push(e);const i=this.manifest.renditionReports.length-1,s=["LAST-MSN","URI"];o&&s.push("LAST-PART"),this.warnOnMissingAttributes_(`#EXT-X-RENDITION-REPORT #${i}`,t.attributes,s)},"part-inf"(){this.manifest.partInf=d(t.attributes),this.warnOnMissingAttributes_("#EXT-X-PART-INF",t.attributes,["PART-TARGET"]),this.manifest.partInf.partTarget&&(this.manifest.partTargetDuration=this.manifest.partInf.partTarget),f.call(this,this.manifest)},daterange(){this.manifest.dateRanges.push(d(t.attributes));const e=this.manifest.dateRanges.length-1;this.warnOnMissingAttributes_(`#EXT-X-DATERANGE #${e}`,t.attributes,["ID","START-DATE"]);const i=this.manifest.dateRanges[e];i.endDate&&i.startDate&&new Date(i.endDate)<new Date(i.startDate)&&this.trigger("warn",{message:"EXT-X-DATERANGE END-DATE must be equal to or later than the value of the START-DATE"}),i.duration&&i.duration<0&&this.trigger("warn",{message:"EXT-X-DATERANGE DURATION must not be negative"}),i.plannedDuration&&i.plannedDuration<0&&this.trigger("warn",{message:"EXT-X-DATERANGE PLANNED-DURATION must not be negative"});const s=!!i.endOnNext;if(s&&!i.class&&this.trigger("warn",{message:"EXT-X-DATERANGE with an END-ON-NEXT=YES attribute must have a CLASS attribute"}),s&&(i.duration||i.endDate)&&this.trigger("warn",{message:"EXT-X-DATERANGE with an END-ON-NEXT=YES attribute must not contain DURATION or END-DATE attributes"}),i.duration&&i.endDate){const t=i.startDate.getTime()+1e3*i.duration;this.manifest.dateRanges[e].endDate=new Date(t)}if(c[i.id]){for(const t in c[i.id])if(i[t]&&JSON.stringify(c[i.id][t])!==JSON.stringify(i[t])){this.trigger("warn",{message:"EXT-X-DATERANGE tags with the same ID in a playlist must have the same attributes values"});break}const t=this.manifest.dateRanges.findIndex((t=>t.id===i.id));this.manifest.dateRanges[t]=r(this.manifest.dateRanges[t],i),c[i.id]=r(c[i.id],i),this.manifest.dateRanges.pop()}else c[i.id]=i},"independent-segments"(){this.manifest.independentSegments=!0},"i-frames-only"(){this.manifest.iFramesOnly=!0,this.requiredCompatibilityversion(this.manifest.version,4)},"content-steering"(){this.manifest.contentSteering=d(t.attributes),this.warnOnMissingAttributes_("#EXT-X-CONTENT-STEERING",t.attributes,["SERVER-URI"])},define(){this.manifest.definitions=this.manifest.definitions||{};const e=(t,e)=>{t in this.manifest.definitions?this.trigger("error",{message:`EXT-X-DEFINE: Duplicate name ${t}`}):this.manifest.definitions[t]=e};if("QUERYPARAM"in t.attributes){if("NAME"in t.attributes||"IMPORT"in t.attributes)return void this.trigger("error",{message:"EXT-X-DEFINE: Invalid attributes"});const i=this.params.get(t.attributes.QUERYPARAM);return i?void e(t.attributes.QUERYPARAM,decodeURIComponent(i)):void this.trigger("error",{message:`EXT-X-DEFINE: No query param ${t.attributes.QUERYPARAM}`})}return"NAME"in t.attributes?"IMPORT"in t.attributes?void this.trigger("error",{message:"EXT-X-DEFINE: Invalid attributes"}):"VALUE"in t.attributes&&"string"==typeof t.attributes.VALUE?void e(t.attributes.NAME,t.attributes.VALUE):void this.trigger("error",{message:`EXT-X-DEFINE: No value for ${t.attributes.NAME}`}):"IMPORT"in t.attributes?this.mainDefinitions[t.attributes.IMPORT]?void e(t.attributes.IMPORT,this.mainDefinitions[t.attributes.IMPORT]):void this.trigger("error",{message:`EXT-X-DEFINE: No value ${t.attributes.IMPORT} to import, or IMPORT used on main playlist`}):void this.trigger("error",{message:"EXT-X-DEFINE: No attribute"})},"i-frame-playlist"(){this.manifest.iFramePlaylists.push({attributes:t.attributes,uri:t.uri,timeline:T}),this.warnOnMissingAttributes_("#EXT-X-I-FRAME-STREAM-INF",t.attributes,["BANDWIDTH","URI"])}}[t.tagType]||g).call(e)},uri(){u.uri=t.uri,s.push(u),this.manifest.targetDuration&&!("duration"in u)&&(this.trigger("warn",{message:"defaulting segment duration to the target duration"}),u.duration=this.manifest.targetDuration),n&&(u.key=n),u.timeline=T,a&&(u.map=a),b=0,null!==this.lastProgramDateTime&&(u.programDateTime=this.lastProgramDateTime,this.lastProgramDateTime+=1e3*u.duration),u={}},comment(){},custom(){t.segment?(u.custom=u.custom||{},u.custom[t.customType]=t.data):(this.manifest.custom=this.manifest.custom||{},this.manifest.custom[t.customType]=t.data)}})[t.type].call(e)}))}requiredCompatibilityversion(t,e){(t<e||!t)&&this.trigger("warn",{message:`manifest must be at least version ${e}`})}warnOnMissingAttributes_(t,e,i){const s=[];i.forEach((function(t){e.hasOwnProperty(t)||s.push(t)})),s.length&&this.trigger("warn",{message:`${t} lacks required attribute(s): ${s.join(", ")}`})}push(t){this.lineStream.push(t)}end(){this.lineStream.push("\n"),this.manifest.dateRanges.length&&null===this.lastProgramDateTime&&this.trigger("warn",{message:"A playlist with EXT-X-DATERANGE tag must contain atleast one EXT-X-PROGRAM-DATE-TIME tag"}),this.lastProgramDateTime=null,this.trigger("end")}addParser(t){this.parseStream.addParser(t)}addTagMapper(t){this.parseStream.addTagMapper(t)}},Object.defineProperty(t,"__esModule",{value:!0})}));
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