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hls-parser

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hls-parser - npm Package Compare versions

Comparing version 0.2.1 to 0.2.2

2

dist/hls-parser.min.js

@@ -8,3 +8,3 @@ !function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.HLS=e():t.HLS=e()}(window,function(){return function(t){var e={};function r(n){if(e[n])return e[n].exports;var i=e[n]={i:n,l:!1,exports:{}};return t[n].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=t,r.c=e,r.d=function(t,e,n){r.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,e){if(1&e&&(t=r(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var i in t)r.d(n,i,function(e){return t[e]}.bind(null,i));return n},r.n=function(t){var 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c,f=i.entries()[Symbol.iterator]();!(a=(c=f.next()).done);a=!0){var l=r(c.value,2),h=l[0];l[1]||n(new Error("".concat(t," : Failed at [").concat(h,"]")))}}catch(t){s=!0,u=t}finally{try{a||null==f.return||f.return()}finally{if(s)throw u}}},CONDITIONALASSERT:function(){for(var t=arguments.length,e=new Array(t),i=0;i<t;i++)e[i]=arguments[i];var o=!0,a=!1,s=void 0;try{for(var u,c=e.entries()[Symbol.iterator]();!(o=(u=c.next()).done);o=!0){var f=r(u.value,2),l=f[0],h=r(f[1],2),E=h[0],p=h[1];E&&(p||n(new Error("Conditional Assert : Failed at [".concat(l,"]"))))}}catch(t){a=!0,s=t}finally{try{o||null==c.return||c.return()}finally{if(a)throw s}}},PARAMCHECK:function(){for(var t=arguments.length,e=new Array(t),i=0;i<t;i++)e[i]=arguments[i];var o=!0,a=!1,s=void 0;try{for(var u,c=e.entries()[Symbol.iterator]();!(o=(u=c.next()).done);o=!0){var f=r(u.value,2),l=f[0];void 0===f[1]&&n(new Error("Param Check : Failed at [".concat(l,"]")))}}catch(t){a=!0,s=t}finally{try{o||null==c.return||c.return()}finally{if(a)throw s}}},CONDITIONALPARAMCHECK:function(){for(var t=arguments.length,e=new Array(t),i=0;i<t;i++)e[i]=arguments[i];var o=!0,a=!1,s=void 0;try{for(var u,c=e.entries()[Symbol.iterator]();!(o=(u=c.next()).done);o=!0){var f=r(u.value,2),l=f[0],h=r(f[1],2),E=h[0],p=h[1];E&&void 0===p&&n(new Error("Conditional Param Check : Failed at [".concat(l,"]")))}}catch(t){a=!0,s=t}finally{try{o||null==c.return||c.return()}finally{if(a)throw s}}},INVALIDPLAYLIST:function(t){n(new Error("Invalid Playlist : ".concat(t)))},toNumber:i,hexToByteSequence:function(t){(t.startsWith("0x")||t.startsWith("0X"))&&(t=t.slice(2));for(var r=[],n=0;n<t.length;n+=2)r.push(i(t.substr(n,2),16));return e.from(r)},byteSequenceToHex:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.length;r<=e&&n(new Error("end must be larger than start : 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i(t,e){return!e||"object"!==n(e)&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function o(t){return(o=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function a(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),e&&s(t,e)}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function u(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var c=r(0),f=function t(e){u(this,t),c.PARAMCHECK(e),this.type=e},l=function(t){function e(t){var r,n=t.isMasterPlaylist,a=t.uri,s=t.version,f=t.independentSegments,l=void 0!==f&&f,h=t.start,E=t.source;return u(this,e),r=i(this,o(e).call(this,"playlist")),c.PARAMCHECK(n),r.isMasterPlaylist=n,r.uri=a,r.version=s,r.independentSegments=l,r.start=h,r.source=E,r}return a(e,f),e}(),h=function(t){function e(){var t,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};u(this,e),r.isMasterPlaylist=!0,t=i(this,o(e).call(this,r));var n=r.variants,a=void 0===n?[]:n,s=r.currentVariant,c=r.sessionDataList,f=void 0===c?[]:c,l=r.sessionKeyList,h=void 0===l?[]:l;return t.variants=a,t.currentVariant=s,t.sessionDataList=f,t.sessionKeyList=h,t}return a(e,l),e}(),E=function(t){function e(){var t,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};u(this,e),r.isMasterPlaylist=!1,t=i(this,o(e).call(this,r));var n=r.targetDuration,a=r.mediaSequenceBase,s=void 0===a?0:a,c=r.discontinuitySequenceBase,f=void 0===c?0:c,l=r.endlist,h=void 0!==l&&l,E=r.playlistType,p=r.isIFrame,T=r.segments,y=void 0===T?[]:T,d=r.hash;return t.targetDuration=n,t.mediaSequenceBase=s,t.discontinuitySequenceBase=f,t.endlist=h,t.playlistType=E,t.isIFrame=p,t.segments=y,t.hash=d,t}return a(e,l),e}(),p=function(t){function e(t){var r,n=t.uri,a=t.mimeType,s=t.data,f=t.duration,l=t.title,h=t.byterange,E=t.discontinuity,p=t.mediaSequenceNumber,T=t.discontinuitySequence,y=t.key,d=t.map,g=t.programDateTime,A=t.dateRange;return u(this,e),r=i(this,o(e).call(this,"segment")),c.PARAMCHECK(n,p,T),r.uri=n,r.mimeType=a,r.data=s,r.duration=f,r.title=l,r.byterange=h,r.discontinuity=E,r.mediaSequenceNumber=p,r.discontinuitySequence=T,r.key=y,r.map=d,r.programDateTime=g,r.dateRange=A,r}return a(e,f),e}();t.exports={Rendition:function t(e){var r=e.type,n=e.uri,i=e.groupId,o=e.language,a=e.assocLanguage,s=e.name,f=e.isDefault,l=e.autoselect,h=e.forced,E=e.instreamId,p=e.characteristics,T=e.channels;u(this,t),c.PARAMCHECK(r,i,s),c.CONDITIONALASSERT(["SUBTITLES"===r,n],["CLOSED-CAPTIONS"===r,E],["CLOSED-CAPTIONS"===r,!n],[h,"CLOSED-CAPTIONS"===r]),this.type=r,this.uri=n,this.groupId=i,this.language=o,this.assocLanguage=a,this.name=s,this.isDefault=f,this.autoselect=l,this.forced=h,this.instreamId=E,this.characteristics=p,this.channels=T},Variant:function t(e){var r=e.uri,n=e.isIFrameOnly,i=void 0!==n&&n,o=e.bandwidth,a=e.averageBandwidth,s=e.codecs,f=e.resolution,l=e.frameRate,h=e.hdcpLevel,E=e.audio,p=void 0===E?[]:E,T=e.video,y=void 0===T?[]:T,d=e.subtitles,g=void 0===d?[]:d,A=e.closedCaptions,v=void 0===A?[]:A,I=e.currentRenditions,S=void 0===I?{audio:0,video:0,subtitles:0,closedCaptions:0}:I;u(this,t),c.PARAMCHECK(r,o),this.uri=r,this.isIFrameOnly=i,this.bandwidth=o,this.averageBandwidth=a,this.codecs=s,this.resolution=f,this.frameRate=l,this.hdcpLevel=h,this.audio=p,this.video=y,this.subtitles=g,this.closedCaptions=v,this.currentRenditions=S},SessionData:function t(e){var r=e.id,n=e.value,i=e.uri,o=e.language;u(this,t),c.PARAMCHECK(r,n||i),c.ASSERT("SessionData cannot have both value and uri, shoud be either.",!(n&&i)),this.id=r,this.value=n,this.uri=i,this.language=o},Key:function t(e){var r=e.method,n=e.uri,i=e.iv,o=e.format,a=e.formatVersion;u(this,t),c.PARAMCHECK(r),c.CONDITIONALPARAMCHECK(["NONE"!==r,n]),c.CONDITIONALASSERT(["NONE"===r,!(n||i||o||a)]),this.method=r,this.uri=n,this.iv=i,this.format=o,this.formatVersion=a},MediaInitializationSection:function t(e){var r=e.uri,n=e.mimeType,i=e.byterange;u(this,t),c.PARAMCHECK(r),this.uri=r,this.mimeType=n,this.byterange=i},DateRange:function t(e){var r=e.id,n=e.classId,i=e.start,o=e.end,a=e.duration,s=e.plannedDuration,f=e.endOnNext,l=e.attributes,h=void 0===l?{}:l;u(this,t),c.PARAMCHECK(r,i),c.CONDITIONALPARAMCHECK([!0===f,n]),c.CONDITIONALASSERT([o,i<=o],[a,a>=0],[s,s>=0]),this.id=r,this.classId=n,this.start=i,this.end=o,this.duration=a,this.plannedDuration=s,this.endOnNext=f,this.attributes=h},Playlist:l,MasterPlaylist:h,MediaPlaylist:E,Segment:p}},function(t,e,r){var n=r(3),i=r(9),o=r(1);t.exports={parse:n,stringify:i,types:o}},function(t,e,r){function n(t,e){return function(t){if(Array.isArray(t))return t}(t)||function(t,e){var r=[],n=!0,i=!1,o=void 0;try{for(var a,s=t[Symbol.iterator]();!(n=(a=s.next()).done)&&(r.push(a.value),!e||r.length!==e);n=!0);}catch(t){i=!0,o=t}finally{try{n||null==s.return||s.return()}finally{if(i)throw o}}return r}(t,e)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance")}()}var i=r(0),o=r(1),a=o.Rendition,s=o.Variant,u=o.SessionData,c=o.Key,f=o.MediaInitializationSection,l=o.DateRange,h=o.MasterPlaylist,E=o.MediaPlaylist,p=o.Segment;function T(t){return i.trim(t,'"')}function y(t){var e=i.splitAt(t,"@");return{length:i.toNumber(e[0]),offset:e[1]?i.toNumber(e[1]):-1}}function d(t,e){e.IV&&t.compatibleVersion<2&&(t.compatibleVersion=2),(e.KEYFORMAT||e.KEYFORMATVERSIONS)&&t.compatibleVersion<5&&(t.compatibleVersion=5)}function g(t){var e={};return i.splitByCommaWithPreservingQuotes(t).forEach(function(t){var r=n(i.splitAt(t,"="),2),o=r[0],a=r[1],s=T(a);switch(o){case"URI":e[o]=s;break;case"START-DATE":case"END-DATE":e[o]=new Date(s);break;case"IV":e[o]=function(t){var e=i.hexToByteSequence(t);return 16!==e.length&&i.INVALIDPLAYLIST("IV must be a 128-bit unsigned integer"),e}(s);break;case"BYTERANGE":e[o]=y(s);break;case"RESOLUTION":e[o]=function(t){var e=i.splitAt(t,"x");return{width:i.toNumber(e[0]),height:i.toNumber(e[1])}}(s);break;case"END-ON-NEXT":case"DEFAULT":case"AUTOSELECT":case"FORCED":case"PRECISE":e[o]="YES"===s;break;case"DURATION":case"PLANNED-DURATION":case"BANDWIDTH":case"AVERAGE-BANDWIDTH":case"FRAME-RATE":case"TIME-OFFSET":e[o]=i.toNumber(s);break;default:o.startsWith("SCTE35-")?e[o]=i.hexToByteSequence(s):o.startsWith("X-")?e[o]=function(t){return t.startsWith('"')?T(t):t.startsWith("0x")||t.startsWith("0X")?i.hexToByteSequence(t):i.toNumber(t)}(a):e[o]=s}}),e}function A(t,e){switch(t){case"EXTM3U":case"EXT-X-DISCONTINUITY":case"EXT-X-ENDLIST":case"EXT-X-I-FRAMES-ONLY":case"EXT-X-INDEPENDENT-SEGMENTS":return[null,null];case"EXT-X-VERSION":case"EXT-X-TARGETDURATION":case"EXT-X-MEDIA-SEQUENCE":case"EXT-X-DISCONTINUITY-SEQUENCE":return[i.toNumber(e),null];case"EXT-X-KEY":case"EXT-X-MAP":case"EXT-X-DATERANGE":case"EXT-X-MEDIA":case"EXT-X-STREAM-INF":case"EXT-X-I-FRAME-STREAM-INF":case"EXT-X-SESSION-DATA":case"EXT-X-SESSION-KEY":case"EXT-X-START":return[null,g(e)];case"EXTINF":return[function(t){var e=i.splitAt(t,",");return{duration:i.toNumber(e[0]),title:decodeURIComponent(escape(e[1]))}}(e),null];case"EXT-X-BYTERANGE":return[y(e),null];case"EXT-X-PROGRAM-DATE-TIME":return[new Date(e),null];case"EXT-X-PLAYLIST-TYPE":default:return[e,null]}}function v(){i.INVALIDPLAYLIST("The file contains both media and master playlist tags.")}function I(t,e,r){var n=function(t){var e=t.attributes;return new a({type:e.TYPE,uri:e.URI,groupId:e["GROUP-ID"],language:e.LANGUAGE,assocLanguage:e["ASSOC-LANGUAGE"],name:e.NAME,isDefault:e.DEFAULT,autoselect:e.AUTOSELECT,forced:e.FORCED,instreamId:e["INSTREAM-ID"],characteristics:e.CHARACTERISTICS,channels:e.CHANNELS})}(e),o=t[i.camelify(r)],s=function(t,e){var r=!1,n=!0,i=!1,o=void 0;try{for(var a,s=t[Symbol.iterator]();!(n=(a=s.next()).done);n=!0){var u=a.value;if(u.name===e.name)return"All EXT-X-MEDIA tags in the same Group MUST have different NAME attributes.";u.isDefault&&(r=!0)}}catch(t){i=!0,o=t}finally{try{n||null==s.return||s.return()}finally{if(i)throw o}}return r&&e.isDefault?"EXT-X-MEDIA A Group MUST NOT have more than one member with a DEFAULT attribute of YES.":""}(o,n);s&&i.INVALIDPLAYLIST(s),o.push(n),n.isDefault&&(t.currentRenditions[i.camelify(r)]=o.length-1)}function S(t,e,r){var n=arguments.length>3&&void 0!==arguments[3]&&arguments[3],o=arguments.length>4?arguments[4]:void 0,a=new s({uri:r,bandwidth:e.BANDWIDTH,averageBandwidth:e["AVERAGE-BANDWIDTH"],codecs:e.CODECS,resolution:e.RESOLUTION,frameRate:e["FRAME-RATE"],hdcpLevel:e["HDCP-LEVEL"]}),u=!0,c=!1,f=void 0;try{for(var l,h=t[Symbol.iterator]();!(u=(l=h.next()).done);u=!0){var E=l.value;if("EXT-X-MEDIA"===E.name){var p=E.attributes,T=p.TYPE;if(T&&p["GROUP-ID"]||i.INVALIDPLAYLIST("EXT-X-MEDIA TYPE attribute is REQUIRED."),e[T]===p["GROUP-ID"]&&(I(a,E,T),"CLOSED-CAPTIONS"===T)){var y=!0,d=!1,g=void 0;try{for(var A,v=a.closedCaptions[Symbol.iterator]();!(y=(A=v.next()).done);y=!0){var S=A.value.instreamId;if(S&&S.startsWith("SERVICE")&&o.compatibleVersion<7){o.compatibleVersion=7;break}}}catch(t){d=!0,g=t}finally{try{y||null==v.return||v.return()}finally{if(d)throw g}}}}}}catch(t){c=!0,f=t}finally{try{u||null==h.return||h.return()}finally{if(c)throw f}}return function(t,e,r){["AUDIO","VIDEO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(n){"CLOSED-CAPTIONS"===n&&"NONE"===t[n]?(r.isClosedCaptionsNone=!0,e.closedCaptions=[]):t[n]&&!e[i.camelify(n)].find(function(e){return e.groupId===t[n]})&&i.INVALIDPLAYLIST("".concat(n," attribute MUST match the value of the GROUP-ID attribute of an EXT-X-MEDIA tag whose TYPE attribute is ").concat(n,"."))})}(e,a,o),a.isIFrameOnly=n,a}function m(t,e){if(t.method!==e.method)return!1;if(t.uri!==e.uri)return!1;if(t.iv){if(!e.iv)return!1;if(t.iv.length!==e.iv.length)return!1;for(var r=0;r<t.iv.length;r++)if(t.iv[r]!==e.iv[r])return!1}else if(e.iv)return!1;return t.format===e.format&&t.formatVersion===e.formatVersion}function b(t,e,r,n,o,a,s){for(var u=new p({uri:e,mediaSequenceNumber:o,discontinuitySequence:a}),h=function(e){var 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l({id:a.ID,classId:a.CLASS,start:a["START-DATE"],end:a["END-DATE"],duration:a.DURATION,plannedDuration:a["PLANNED-DURATION"],endOnNext:a["END-ON-NEXT"],attributes:h})}},E=r;E<=n;E++)h(E);return u}function N(t,e){var r=new E,o=-1,a=0,s=0,u=null,c=null,f=!0,l=!1,h=void 0;try{for(var p,T=t.entries()[Symbol.iterator]();!(f=(p=T.next()).done);f=!0){var y=n(p.value,2),d=y[0],g=y[1],A=g.name,v=g.value,I=g.attributes;if("Segment"!==g.category){if("EXT-X-VERSION"===A)void 0===r.version?r.version=v:i.INVALIDPLAYLIST("A Playlist file MUST NOT contain more than one EXT-X-VERSION tag.");else if("EXT-X-TARGETDURATION"===A)r.targetDuration=e.targetDuration=v;else if("EXT-X-MEDIA-SEQUENCE"===A)(r.segments.length>0||-1!==o)&&i.INVALIDPLAYLIST("The EXT-X-MEDIA-SEQUENCE tag MUST appear before the first Media Segment in the Playlist."),r.mediaSequenceBase=a=v;else if("EXT-X-DISCONTINUITY-SEQUENCE"===A)(r.segments.length>0||-1!==o)&&i.INVALIDPLAYLIST("The EXT-X-DISCONTINUITY-SEQUENCE tag MUST appear before 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r=['DATA-ID="'.concat(e.id,'"')];e.language&&r.push('LANGUAGE="'.concat(e.language,'"')),e.value?r.push('VALUE="'.concat(e.value,'"')):e.uri&&r.push('URI="'.concat(e.uri,'"')),t.push("#EXT-X-SESSION-DATA:".concat(r.join(",")))}function y(t,e,r){var n=r?"#EXT-X-SESSION-KEY":"#EXT-X-KEY",i=["METHOD=".concat(e.method)];e.uri&&i.push('URI="'.concat(e.uri,'"')),e.iv&&(16!==e.iv.length&&l.INVALIDPLAYLIST("IV must be a 128-bit unsigned integer"),i.push("IV=".concat(l.byteSequenceToHex(e.iv)))),e.format&&i.push('KEYFORMAT="'.concat(e.format,'"')),e.formatVersion&&i.push('KEYFORMATVERSIONS="'.concat(e.formatVersion,'"')),t.push("".concat(n,":").concat(i.join(",")))}function d(t,e){var 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e.attributes[t]?r.push("".concat(t,"=").concat(e.attributes[t])):r.push("".concat(t,'="').concat(e.attributes[t],'"')):t.startsWith("SCTE35-")&&r.push("".concat(t,"=").concat(l.byteSequenceToHex(e.attributes[t])))}),t.push("#EXT-X-DATERANGE:".concat(r.join(",")))}(t,e.dateRange),t.push("#EXTINF:".concat(e.duration,",").concat(unescape(encodeURIComponent(e.title||"")))),t.push("".concat(e.uri))}t.exports=function(t){l.PARAMCHECK(t),l.ASSERT("Not a playlist","playlist"===t.type);var e=new p(t.uri);return e.push("#EXTM3U"),t.version&&e.push("#EXT-X-VERSION:".concat(t.version)),t.independentSegments&&e.push("#EXT-X-INDEPENDENT-SEGMENTS:".concat(t.independentSegments)),t.start&&e.push("#EXT-X-START:TIME-OFFSET=".concat(t.start.offset).concat(t.start.precise?",PRECISE=YES":"")),t.isMasterPlaylist?function(t,e){var r=!0,n=!1,i=void 0;try{for(var o,a=e.sessionDataList[Symbol.iterator]();!(r=(o=a.next()).done);r=!0)T(t,o.value)}catch(t){n=!0,i=t}finally{try{r||null==a.return||a.return()}finally{if(n)throw i}}var s=!0,u=!1,c=void 0;try{for(var f,l=e.sessionKeyList[Symbol.iterator]();!(s=(f=l.next()).done);s=!0)y(t,f.value,!0)}catch(t){u=!0,c=t}finally{try{s||null==l.return||l.return()}finally{if(u)throw c}}var h=!0,E=!1,p=void 0;try{for(var g,A=e.variants[Symbol.iterator]();!(h=(g=A.next()).done);h=!0)d(t,g.value)}catch(t){E=!0,p=t}finally{try{h||null==A.return||A.return()}finally{if(E)throw p}}}(e,t):function(t,e){e.targetDuration&&t.push("#EXT-X-TARGETDURATION:".concat(e.targetDuration)),e.mediaSequenceBase&&t.push("#EXT-X-MEDIA-SEQUENCE:".concat(e.mediaSequenceBase)),e.discontinuitySequenceBase&&t.push("#EXT-X-DISCONTINUITY-SEQUENCE:".concat(e.discontinuitySequenceBase)),e.playlistType&&t.push("#EXT-X-PLAYLIST-TYPE:".concat(e.playlistType)),e.isIFrame&&t.push("#EXT-X-I-FRAMES-ONLY");var r=!0,n=!1,i=void 0;try{for(var o,a=e.segments[Symbol.iterator]();!(r=(o=a.next()).done);r=!0)A(t,o.value)}catch(t){n=!0,i=t}finally{try{r||null==a.return||a.return()}finally{if(n)throw i}}e.endlist&&t.push("#EXT-X-ENDLIST")}(e,t),e.join("\n")}}])});
//# sourceMappingURL=hls-parser.min.js.map

2

package.json
{
"name": "hls-parser",
"version": "0.2.1",
"version": "0.2.2",
"description": "A simple library to read/write HLS playlists",

@@ -5,0 +5,0 @@ "main": "index.js",

1

stringify.js

@@ -7,2 +7,3 @@ const utils = require('./utils');

'#EXT-X-DISCONTINUITY',
'#EXT-X-MAP',
'#EXT-X-STREAM-INF'

@@ -9,0 +10,0 @@ ];

dist/hls-parser.js

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dist/hls-parser.min.js.map

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