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hls-parser

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hls-parser - npm Package Compare versions

Comparing version 0.1.6 to 0.1.7

5

dist/hls-parser.min.js

@@ -1,2 +0,3 @@

!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()}(this,function(){return function(t){function e(n){if(r[n])return r[n].exports;var i=r[n]={i:n,l:!1,exports:{}};return t[n].call(i.exports,i,i.exports,e),i.l=!0,i.exports}var r={};return e.m=t,e.c=r,e.i=function(t){return t},e.d=function(t,r,n){e.o(t,r)||Object.defineProperty(t,r,{configurable:!1,enumerable:!0,get:n})},e.n=function(t){var r=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(r,"a",r),r},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=4)}([function(t,e,r){"use strict";(function(e){function r(t){throw t}function n(t){for(var e=arguments.length,n=Array(e>1?e-1:0),i=1;i<e;i++)n[i-1]=arguments[i];var a=!0,o=!1,s=void 0;try{for(var u,f=n.entries()[Symbol.iterator]();!(a=(u=f.next()).done);a=!0){var h=g(u.value,2),l=h[0];h[1]||r(new Error(t+" : Failed at ["+l+"]"))}}catch(t){o=!0,s=t}finally{try{!a&&f.return&&f.return()}finally{if(o)throw s}}}function i(){for(var t=arguments.length,e=Array(t),n=0;n<t;n++)e[n]=arguments[n];var i=!0,a=!1,o=void 0;try{for(var s,u=e.entries()[Symbol.iterator]();!(i=(s=u.next()).done);i=!0){var f=g(s.value,2),h=f[0],l=g(f[1],2),c=l[0],E=l[1];c&&(E||r(new Error("Conditional Assert : Failed at ["+h+"]")))}}catch(t){a=!0,o=t}finally{try{!i&&u.return&&u.return()}finally{if(a)throw o}}}function a(){for(var t=arguments.length,e=Array(t),n=0;n<t;n++)e[n]=arguments[n];var i=!0,a=!1,o=void 0;try{for(var s,u=e.entries()[Symbol.iterator]();!(i=(s=u.next()).done);i=!0){var f=g(s.value,2),h=f[0];void 0===f[1]&&r(new Error("Param Check : Failed at ["+h+"]"))}}catch(t){a=!0,o=t}finally{try{!i&&u.return&&u.return()}finally{if(a)throw o}}}function o(){for(var t=arguments.length,e=Array(t),n=0;n<t;n++)e[n]=arguments[n];var i=!0,a=!1,o=void 0;try{for(var s,u=e.entries()[Symbol.iterator]();!(i=(s=u.next()).done);i=!0){var f=g(s.value,2),h=f[0],l=g(f[1],2),c=l[0],E=l[1];c&&(void 0===E&&r(new Error("Conditional Param Check : Failed at ["+h+"]")))}}catch(t){a=!0,o=t}finally{try{!i&&u.return&&u.return()}finally{if(a)throw o}}}function s(t){r(new Error("Invalid Playlist : "+t))}function u(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:10;if("number"==typeof t)return t;var r=void 0;return r=10===e?parseFloat(t,e):parseInt(t,e),isNaN(r)?0:r}function f(t){(t.startsWith("0x")||t.startsWith("0X"))&&(t=t.slice(2));for(var r=[],n=0;n<t.length;n+=2)r.push(u(t.substr(n,2),16));return e.from(r)}function h(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t.length;n<=e&&r(new Error("end must be larger than start : start="+e+", end="+n));for(var i=[],a=e;a<n;a++)i.push(("0"+(255&t[a]).toString(16).toUpperCase()).slice(-2));return"0x"+i.join("")}function l(t,e){try{return t()}catch(t){return e(t)}}function c(t,e){for(var r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,n=-1,i=0,a=0;i<t.length;i++)if(t[i]===e){if(a++===r)return[t.slice(0,i),t.slice(i+1)];n=i}return-1!==n?[t.slice(0,n),t.slice(n+1)]:[t]}function E(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:" ";return t?(t=t.trim()," "===e?t:(t.startsWith(e)&&(t=t.slice(1)),t.endsWith(e)&&(t=t.slice(0,-1)),t)):t}function p(t){for(var e=[],r=!0,n=0,i=[],a=0;a<t.length;a++){var o=t[a];r&&","===o?(e.push(t.slice(n,a).trim()),n=a+1):'"'!==o&&"'"!==o||(r?(i.push(o),r=!1):o===i[i.length-1]?(i.pop(),r=!0):i.push(o))}return e.push(t.slice(n).trim()),e}function T(t){var e=[],r=!1,n=!0,i=!1,a=void 0;try{for(var o,s=t[Symbol.iterator]();!(n=(o=s.next()).done);n=!0){var u=o.value;"-"!==u&&"_"!==u?r?(e.push(u.toUpperCase()),r=!1):e.push(u.toLowerCase()):r=!0}}catch(t){i=!0,a=t}finally{try{!n&&s.return&&s.return()}finally{if(i)throw a}}return e.join("")}function y(t){return t.getUTCFullYear()+"-"+("0"+(t.getUTCMonth()+1)).slice(-2)+"-"+("0"+t.getUTCDate()).slice(-2)+"T"+("0"+t.getUTCHours()).slice(-2)+":"+("0"+t.getUTCMinutes()).slice(-2)+":"+("0"+t.getUTCSeconds()).slice(-2)+"."+("00"+t.getUTCMilliseconds()).slice(-3)+"Z"}function d(t,e){return Object.hasOwnProperty.call(t,e)}var g=function(){function t(t,e){var r=[],n=!0,i=!1,a=void 0;try{for(var o,s=t[Symbol.iterator]();!(n=(o=s.next()).done)&&(r.push(o.value),!e||r.length!==e);n=!0);}catch(t){i=!0,a=t}finally{try{!n&&s.return&&s.return()}finally{if(i)throw a}}return r}return function(e,r){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,r);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}();t.exports={THROW:r,ASSERT:n,CONDITIONALASSERT:i,PARAMCHECK:a,CONDITIONALPARAMCHECK:o,INVALIDPLAYLIST:s,toNumber:u,hexToByteSequence:f,byteSequenceToHex:h,tryCatch:l,splitAt:c,trim:E,splitByCommaWithPreservingQuotes:p,camelify:T,formatDate:y,hasOwnProp:d}}).call(e,r(6).Buffer)},function(t,e,r){"use strict";function n(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}function i(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)}function a(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}var o=r(0),s=function t(e){var r=e.type,n=e.uri,i=e.groupId,s=e.language,u=e.assocLanguage,f=e.name,h=e.isDefault,l=e.autoselect,c=e.forced,E=e.instreamId,p=e.characteristics,T=e.channels;a(this,t),o.PARAMCHECK(r,i,f),o.CONDITIONALASSERT(["SUBTITLES"===r,n],["CLOSED-CAPTIONS"===r,E],["CLOSED-CAPTIONS"===r,!n],[c,"CLOSED-CAPTIONS"===r]),this.type=r,this.uri=n,this.groupId=i,this.language=s,this.assocLanguage=u,this.name=f,this.isDefault=h,this.autoselect=l,this.forced=c,this.instreamId=E,this.characteristics=p,this.channels=T},u=function t(e){var r=e.uri,n=e.isIFrameOnly,i=void 0!==n&&n,s=e.bandwidth,u=e.averageBandwidth,f=e.codecs,h=e.resolution,l=e.frameRate,c=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,"CLOSED-CAPTIONS":0}:I;a(this,t),o.PARAMCHECK(r,s),this.uri=r,this.isIFrameOnly=i,this.bandwidth=s,this.averageBandwidth=u,this.codecs=f,this.resolution=h,this.frameRate=l,this.hdcpLevel=c,this.audio=p,this.video=y,this.subtitles=g,this.closedCaptions=v,this.currentRenditions=S},f=function t(e){var r=e.id,n=e.value,i=e.uri,s=e.language;a(this,t),o.PARAMCHECK(r,n||i),o.ASSERT("SessionData cannot have both value and uri, shoud be either.",!(n&&i)),this.id=r,this.value=n,this.uri=i,this.language=s},h=function t(e){var r=e.method,n=e.uri,i=e.iv,s=e.format,u=e.formatVersion;a(this,t),o.PARAMCHECK(r),o.CONDITIONALPARAMCHECK(["NONE"!==r,n]),o.CONDITIONALASSERT(["NONE"===r,!(n||i||s||u)]),this.method=r,this.uri=n,this.iv=i,this.format=s,this.formatVersion=u},l=function t(e){var r=e.uri,n=e.mimeType,i=e.byterange;a(this,t),o.PARAMCHECK(r),this.uri=r,this.mimeType=n,this.byterange=i},c=function t(e){var r=e.id,n=e.classId,i=e.start,s=e.end,u=e.duration,f=e.plannedDuration,h=e.endOnNext,l=e.attributes,c=void 0===l?{}:l;a(this,t),o.PARAMCHECK(r,i),o.CONDITIONALPARAMCHECK([!0===h,n]),o.CONDITIONALASSERT([s,i<=s],[u,u>=0],[f,f>=0]),this.id=r,this.classId=n,this.start=i,this.end=s,this.duration=u,this.plannedDuration=f,this.endOnNext=h,this.attributes=c},E=function t(e){a(this,t),o.PARAMCHECK(e),this.type=e},p=function(t){function e(t){var r=t.isMasterPlaylist,i=t.uri,s=t.version,u=t.independentSegments,f=void 0!==u&&u,h=t.start,l=t.source;a(this,e);var c=n(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,"playlist"));return o.PARAMCHECK(r),c.isMasterPlaylist=r,c.uri=i,c.version=s,c.independentSegments=f,c.start=h,c.source=l,c}return i(e,t),e}(E),T=function(t){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};a(this,e),t.isMasterPlaylist=!0;var r=n(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t)),i=t.variants,o=void 0===i?[]:i,s=t.currentVariant,u=t.sessionDataList,f=void 0===u?[]:u,h=t.sessionKeyList,l=void 0===h?[]:h;return r.variants=o,r.currentVariant=s,r.sessionDataList=f,r.sessionKeyList=l,r}return i(e,t),e}(p),y=function(t){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};a(this,e),t.isMasterPlaylist=!1;var r=n(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t)),i=t.targetDuration,o=t.mediaSequenceBase,s=void 0===o?0:o,u=t.discontinuitySequenceBase,f=void 0===u?0:u,h=t.endlist,l=void 0!==h&&h,c=t.playlistType,E=t.isIFrame,p=t.segments,T=void 0===p?[]:p,y=t.hash;return r.targetDuration=i,r.mediaSequenceBase=s,r.discontinuitySequenceBase=f,r.endlist=l,r.playlistType=c,r.isIFrame=E,r.segments=T,r.hash=y,r}return i(e,t),e}(p),d=function(t){function e(t){var r=t.uri,i=t.mimeType,s=t.data,u=t.duration,f=t.title,h=t.byterange,l=t.discontinuity,c=t.mediaSequenceNumber,E=t.discontinuitySequence,p=t.key,T=t.map,y=t.programDateTime,d=t.dateRange;a(this,e);var g=n(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,"segment"));return o.PARAMCHECK(r,c,E),g.uri=r,g.mimeType=i,g.data=s,g.duration=u,g.title=f,g.byterange=h,g.discontinuity=l,g.mediaSequenceNumber=c,g.discontinuitySequence=E,g.key=p,g.map=T,g.programDateTime=y,g.dateRange=d,g}return i(e,t),e}(E);t.exports={Rendition:s,Variant:u,SessionData:f,Key:h,MediaInitializationSection:l,DateRange:c,Playlist:p,MasterPlaylist:T,MediaPlaylist:y,Segment:d}},function(t,e,r){"use strict";function n(t){return P.trim(t,'"')}function i(t){switch(t){case"EXTM3U":case"EXT-X-VERSION":return"Basic";case"EXTINF":case"EXT-X-BYTERANGE":case"EXT-X-DISCONTINUITY":case"EXT-X-KEY":case"EXT-X-MAP":case"EXT-X-PROGRAM-DATE-TIME":case"EXT-X-DATERANGE":return"Segment";case"EXT-X-TARGETDURATION":case"EXT-X-MEDIA-SEQUENCE":case"EXT-X-DISCONTINUITY-SEQUENCE":case"EXT-X-ENDLIST":case"EXT-X-PLAYLIST-TYPE":case"EXT-X-I-FRAMES-ONLY":return"MediaPlaylist";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":return"MasterPlaylist";case"EXT-X-INDEPENDENT-SEGMENTS":case"EXT-X-START":return"MediaorMasterPlaylist";default:return"Unknown"}}function a(t){var e=P.splitAt(t,",");return{duration:P.toNumber(e[0]),title:decodeURIComponent(escape(e[1]))}}function o(t){var e=P.splitAt(t,"@");return{length:P.toNumber(e[0]),offset:e[1]?P.toNumber(e[1]):-1}}function s(t){var e=P.splitAt(t,"x");return{width:P.toNumber(e[0]),height:P.toNumber(e[1])}}function u(t){var e=P.hexToByteSequence(t);return 16!==e.length&&P.INVALIDPLAYLIST("IV must be a 128-bit unsigned integer"),e}function f(t){return t.startsWith('"')?n(t):t.startsWith("0x")||t.startsWith("0X")?P.hexToByteSequence(t):P.toNumber(t)}function h(t,e){e.IV&&t.compatibleVersion<2&&(t.compatibleVersion=2),(e.KEYFORMAT||e.KEYFORMATVERSIONS)&&t.compatibleVersion<5&&(t.compatibleVersion=5)}function l(t){var e=P.splitByCommaWithPreservingQuotes(t),r={};return e.forEach(function(t){var e=P.splitAt(t,"="),i=O(e,2),a=i[0],h=i[1],l=n(h);switch(a){case"URI":r[a]=l;break;case"START-DATE":case"END-DATE":r[a]=new Date(l);break;case"IV":r[a]=u(l);break;case"BYTERANGE":r[a]=o(l);break;case"RESOLUTION":r[a]=s(l);break;case"END-ON-NEXT":case"DEFAULT":case"AUTOSELECT":case"FORCED":case"PRECISE":r[a]="YES"===l;break;case"DURATION":case"PLANNED-DURATION":case"BANDWIDTH":case"AVERAGE-BANDWIDTH":case"FRAME-RATE":case"TIME-OFFSET":r[a]=P.toNumber(l);break;default:a.startsWith("SCTE35-")?r[a]=P.hexToByteSequence(l):a.startsWith("X-")?r[a]=f(h):r[a]=l}}),r}function c(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[P.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,l(e)];case"EXTINF":return[a(e),null];case"EXT-X-BYTERANGE":return[o(e),null];case"EXT-X-PROGRAM-DATE-TIME":return[new Date(e),null];case"EXT-X-PLAYLIST-TYPE":default:return[e,null]}}function E(){P.INVALIDPLAYLIST("The file contains both media and master playlist tags.")}function p(t){var e=t.indexOf(":");return-1===e?[t.slice(1).trim(),null]:[t.slice(1,e).trim(),t.slice(e+1).trim()]}function T(t){var e=t.attributes;return new M({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})}function y(t,e){var r=!1,n=!0,i=!1,a=void 0;try{for(var o,s=t[Symbol.iterator]();!(n=(o=s.next()).done);n=!0){var u=o.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,a=t}finally{try{!n&&s.return&&s.return()}finally{if(i)throw a}}return r&&e.isDefault?"EXT-X-MEDIA A Group MUST NOT have more than one member with a DEFAULT attribute of YES.":""}function d(t,e,r){var n=T(e),i=t[P.camelify(r)],a=y(i,n);a&&P.INVALIDPLAYLIST(a),i.push(n),n.isDefault&&(t.currentRenditions[r]=i.length-1)}function g(t,e){["AUDIO","VIDEO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(r){t[r]&&!e[P.camelify(r)].find(function(e){return e.groupId===t[r]})&&P.INVALIDPLAYLIST(r+" attribute MUST match the value of the GROUP-ID attribute of an EXT-X-MEDIA tag whose TYPE attribute is "+r+".")})}function A(t,e,r){var n=arguments.length>3&&void 0!==arguments[3]&&arguments[3],i=arguments[4],a=new U({uri:r,bandwidth:e.BANDWIDTH,averageBandwidth:e["AVERAGE-BANDWIDTH"],codecs:e.CODECS,resolution:e.RESOLUTION,frameRate:e["FRAME-RATE"],hdcpLevel:e["HDCP-LEVEL"]}),o=!0,s=!1,u=void 0;try{for(var f,h=t[Symbol.iterator]();!(o=(f=h.next()).done);o=!0){var l=f.value;if("EXT-X-MEDIA"===l.name){var c=l.attributes,E=c.TYPE;if(E&&c["GROUP-ID"]||P.INVALIDPLAYLIST("EXT-X-MEDIA TYPE attribute is REQUIRED."),e[E]===c["GROUP-ID"]&&(d(a,l,E),"CLOSED-CAPTIONS"===E)){var p=!0,T=!1,y=void 0;try{for(var A,v=a.closedCaptions[Symbol.iterator]();!(p=(A=v.next()).done);p=!0){var I=A.value,S=I.instreamId;if(S&&S.startsWith("SERVICE")&&i.compatibleVersion<7){i.compatibleVersion=7;break}}}catch(t){T=!0,y=t}finally{try{!p&&v.return&&v.return()}finally{if(T)throw y}}}}}}catch(t){s=!0,u=t}finally{try{!o&&h.return&&h.return()}finally{if(s)throw u}}return g(e,a),a.isIFrameOnly=n,a}function v(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 I(t,e){var r=new V,n=!0,i=!1,a=void 0;try{for(var o,s=t.entries()[Symbol.iterator]();!(n=(o=s.next()).done);n=!0){var u=O(o.value,2),f=u[0],l=u[1],c=l.name,E=l.value,p=l.attributes;if("EXT-X-VERSION"===c)r.version=E;else if("EXT-X-STREAM-INF"===c){var T=t[f+1];("string"!=typeof T||T.startsWith("#EXT"))&&P.INVALIDPLAYLIST("EXT-X-STREAM-INF must be followed by a URI line");var y=A(t,p,T,!1,e);y&&r.variants.push(y)}else if("EXT-X-I-FRAME-STREAM-INF"===c){var d=A(t,p,p.URI,!0,e);d&&r.variants.push(d)}else"EXT-X-SESSION-DATA"===c?function(){var t=new C({id:p["DATA-ID"],value:p.VALUE,uri:p.URI,language:p.LANGUAGE});r.sessionDataList.find(function(e){return e.id===t.id&&e.language===t.language})&&P.INVALIDPLAYLIST("A Playlist MUST NOT contain more than one EXT-X-SESSION-DATA tag with the same DATA-ID attribute and the same LANGUAGE attribute."),r.sessionDataList.push(t)}():"EXT-X-SESSION-KEY"===c?function(){"NONE"===p.METHOD&&P.INVALIDPLAYLIST("EXT-X-SESSION-KEY: The value of the METHOD attribute MUST NOT be NONE");var t=new Y({method:p.METHOD,uri:p.URI,iv:p.IV,format:p.KEYFORMAT,formatVersion:p.KEYFORMATVERSIONS});r.sessionKeyList.find(function(e){return v(e,t)})&&P.INVALIDPLAYLIST("A Master Playlist MUST NOT contain more than one EXT-X-SESSION-KEY tag with the same METHOD, URI, IV, KEYFORMAT, and KEYFORMATVERSIONS attribute 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r=e.id,n=e.classId,i=e.start,s=e.end,u=e.duration,f=e.plannedDuration,h=e.endOnNext,l=e.attributes,c=void 0===l?{}:l;o(this,t),a.PARAMCHECK(r,i),a.CONDITIONALPARAMCHECK([!0===h,n]),a.CONDITIONALASSERT([s,i<=s],[u,u>=0],[f,f>=0]),this.id=r,this.classId=n,this.start=i,this.end=s,this.duration=u,this.plannedDuration=f,this.endOnNext=h,this.attributes=c},Playlist:u,MasterPlaylist:f,MediaPlaylist:h,Segment:l}},function(t,e,r){"use strict";var n=function(){function t(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,r,n){return r&&t(e.prototype,r),n&&t(e,n),e}}(),i=function t(e,r,n){null===e&&(e=Function.prototype);var i=Object.getOwnPropertyDescriptor(e,r);if(void 0===i){var o=Object.getPrototypeOf(e);return null===o?void 0:t(o,r,n)}if("value"in i)return i.value;var a=i.get;return void 0!==a?a.call(n):void 0};var 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r=c.value;if(a.some(function(t){return r.startsWith(t)}))return i(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"push",t).call(t,r),"continue";if(t.includes(r)){if(s.some(function(t){return r.startsWith(t)}))return"continue";o.INVALIDPLAYLIST("Redundant item ("+r+")")}i(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"push",t).call(t,r)},p=n[Symbol.iterator]();!(f=(c=p.next()).done);f=!0)E()}catch(t){h=!0,l=t}finally{try{!f&&p.return&&p.return()}finally{if(h)throw l}}}}]),e}();function f(t,e){var r=['DATA-ID="'+e.id+'"'];e.language&&r.push('LANGUAGE="'+e.language+'"'),e.value?r.push('VALUE="'+e.value+'"'):e.uri&&r.push('URI="'+e.uri+'"'),t.push("#EXT-X-SESSION-DATA:"+r.join(","))}function h(t,e,r){var n=r?"#EXT-X-SESSION-KEY":"#EXT-X-KEY",i=["METHOD="+e.method];e.uri&&i.push('URI="'+e.uri+'"'),e.iv&&(16!==e.iv.length&&o.INVALIDPLAYLIST("IV must be a 128-bit unsigned 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0!==e.forced&&r.push("FORCED="+(e.forced?"YES":"NO")),e.language&&r.push('LANGUAGE="'+e.language+'"'),e.assocLanguage&&r.push('ASSOC-LANGUAGE="'+e.assocLanguage+'"'),e.instreamId&&r.push('INSTREAM-ID="'+e.instreamId+'"'),e.characteristics&&r.push('CHARACTERISTICS="'+e.characteristics+'"'),e.channels&&r.push('CHANNELS="'+e.channels+'"'),e.uri&&r.push('URI="'+e.uri+'"'),t.push("#EXT-X-MEDIA:"+r.join(","))}function E(t,e){e.byterange&&t.push("#EXT-X-BYTERANGE:"+e.byterange.length+"@"+e.byterange.offset),e.discontinuity&&t.push("#EXT-X-DISCONTINUITY"),e.key&&h(t,e.key),e.map&&function(t,e){var r=['URI="'+e.uri+'"'];e.byterange&&r.push("BYTERANGE="+e.byterange);t.push("#EXT-X-MAP:"+r.join(","))}(t,e.map),e.programDateTime&&t.push("#EXT-X-PROGRAM-DATE-TIME:"+o.formatDate(e.programDateTime)),e.dateRange&&function(t,e){var r=['ID="'+e.id+'"','START-DATE="'+o.formatDate(e.start)+'"'];e.end&&r.push('END-DATE="'+e.end+'"');e.duration&&r.push("DURATION="+e.duration);e.plannedDuration&&r.push("PLANNED-DURATION="+e.plannedDuration);e.classId&&r.push('CLASS="'+e.classId+'"');e.endOnNext&&r.push("END-ON-NEXT=YES");Object.keys(e.attributes).forEach(function(t){t.startsWith("X-")?"number"==typeof e.attributes[t]?r.push(t+"="+e.attributes[t]):r.push(t+'="'+e.attributes[t]+'"'):t.startsWith("SCTE35-")&&r.push(t+"="+o.byteSequenceToHex(e.attributes[t]))}),t.push("#EXT-X-DATERANGE:"+r.join(","))}(t,e.dateRange),t.push("#EXTINF:"+e.duration+","+unescape(encodeURIComponent(e.title||""))),t.push(""+e.uri)}t.exports=function(t){o.PARAMCHECK(t),o.ASSERT("Not a playlist","playlist"===t.type);var e=new u(t.uri);return e.push("#EXTM3U"),t.version&&e.push("#EXT-X-VERSION:"+t.version),t.independentSegments&&e.push("#EXT-X-INDEPENDENT-SEGMENTS:"+t.independentSegments),t.start&&e.push("#EXT-X-START:TIME-OFFSET="+t.start.offset+(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)f(t,o.value)}catch(t){n=!0,i=t}finally{try{!r&&a.return&&a.return()}finally{if(n)throw i}}var s=!0,u=!1,c=void 0;try{for(var E,p=e.sessionKeyList[Symbol.iterator]();!(s=(E=p.next()).done);s=!0)h(t,E.value,!0)}catch(t){u=!0,c=t}finally{try{!s&&p.return&&p.return()}finally{if(u)throw c}}var T=!0,y=!1,d=void 0;try{for(var A,g=e.variants[Symbol.iterator]();!(T=(A=g.next()).done);T=!0)l(t,A.value)}catch(t){y=!0,d=t}finally{try{!T&&g.return&&g.return()}finally{if(y)throw 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/*!
* The buffer module from node.js, for the browser.

@@ -7,2 +8,2 @@ *

*/
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if("EXT-X-INDEPENDENT-SEGMENTS"===g)r.independentSegments&&i.INVALIDPLAYLIST("EXT-X-INDEPENDENT-SEGMENTS tag MUST NOT appear more than once in a Playlist"),r.independentSegments=!0;else if("EXT-X-START"===g)r.start&&i.INVALIDPLAYLIST("EXT-X-START tag MUST NOT appear more than once in a Playlist"),"number"!=typeof I["TIME-OFFSET"]&&i.INVALIDPLAYLIST("EXT-X-START: TIME-OFFSET attribute is REQUIRED"),r.start={offset:I["TIME-OFFSET"],precise:I.PRECISE||!1};else if("string"==typeof A){-1===o&&i.INVALIDPLAYLIST("A URI line is not preceded by any segment tags"),r.targetDuration||i.INVALIDPLAYLIST("The EXT-X-TARGETDURATION tag is REQUIRED");var S=N(t,A,o,d-1,a++,s,e);if(S){var m=S.discontinuity,b=S.key,R=S.map,D=S.byterange,w=S.uri;if(m&&(S.discontinuitySequence=++s),b?u=b:u&&(S.key=u),R?f=R:f&&(S.map=f),D&&-1===D.offset){var X=r.segments;if(X.length>0){var O=X[X.length-1];O.byterange&&O.uri===w?D.offset=O.byterange.offset+O.byterange.length:i.INVALIDPLAYLIST("If offset of EXT-X-BYTERANGE is 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c=f.end?f.end.getTime():f.start.getTime()+1e3*(f.duration||0),E=r.get(f.classId);if(E){var p=!0,T=!1,y=void 0;try{for(var d,A=E[Symbol.iterator]();!(p=(d=A.next()).done);p=!0){var g=d.value;(g.start<=h&&g.end>h||g.start>=h&&g.start<c)&&i.INVALIDPLAYLIST("DATERANGE tags with the same CLASS should not overlap")}}catch(t){T=!0,y=t}finally{try{!p&&A.return&&A.return()}finally{if(T)throw y}}E.push({start:h,end:c})}else r.set(f.classId,[{start:h,end:c}])}}n&&!o&&i.INVALIDPLAYLIST("If a Playlist contains an EXT-X-DATERANGE tag, it MUST also contain at least one EXT-X-PROGRAM-DATE-TIME tag.")}(r.segments),r}function R(t,e){var r=function(t){var 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u({id:g["DATA-ID"],value:g.VALUE,uri:g.URI,language:g.LANGUAGE});r.sessionDataList.find(function(e){return e.id===t.id&&e.language===t.language})&&i.INVALIDPLAYLIST("A Playlist MUST NOT contain more than one EXT-X-SESSION-DATA tag with the same DATA-ID attribute and the same LANGUAGE attribute."),r.sessionDataList.push(t)}():"EXT-X-SESSION-KEY"===y?function(){"NONE"===g.METHOD&&i.INVALIDPLAYLIST("EXT-X-SESSION-KEY: The value of the METHOD attribute MUST NOT be NONE");var t=new f({method:g.METHOD,uri:g.URI,iv:g.IV,format:g.KEYFORMAT,formatVersion:g.KEYFORMATVERSIONS});r.sessionKeyList.find(function(e){return m(e,t)})&&i.INVALIDPLAYLIST("A Master Playlist MUST NOT contain more than one EXT-X-SESSION-KEY tag with the same METHOD, URI, IV, KEYFORMAT, and KEYFORMATVERSIONS attribute values."),d(e,g),r.sessionKeyList.push(t)}():"EXT-X-INDEPENDENT-SEGMENTS"===y?(r.independentSegments&&i.INVALIDPLAYLIST("EXT-X-INDEPENDENT-SEGMENTS tag MUST NOT appear more than once in a 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21

package.json
{
"name": "hls-parser",
"version": "0.1.6",
"version": "0.1.7",
"description": "A simple library to read/write HLS playlists",

@@ -9,3 +9,3 @@ "main": "index.js",

"coverage": "nyc npm test && nyc report --reporter=text-lcov | coveralls",
"build": "rm -fR ./dist; webpack",
"build": "rm -fR ./dist; webpack --mode production",
"test": "npm run lint && npm run build && nsp check && ava --verbose"

@@ -32,10 +32,12 @@ },

"devDependencies": {
"ava": "^0.19.1",
"babel-loader": "^7.0.0",
"ava": "^0.25.0",
"babel-loader": "^7.1.4",
"babel-preset-es2015": "^6.24.1",
"coveralls": "^2.13.0",
"nsp": "^2.6.3",
"nyc": "^10.2.0",
"webpack": "^2.5.1",
"xo": "^0.18.1"
"coveralls": "^3.0.1",
"nsp": "^3.2.1",
"nyc": "^11.7.3",
"uglifyjs-webpack-plugin": "^1.2.5",
"webpack": "^4.8.3",
"webpack-cli": "^2.1.3",
"xo": "^0.21.0"
},

@@ -49,2 +51,3 @@ "engines": {

"rules": {
"camelcase": 0,
"capitalized-comments": 0,

@@ -51,0 +54,0 @@ "dot-notation": 0,

62

parse.js

@@ -78,3 +78,4 @@ const utils = require('./utils');

return unquote(str);
} else if (str.startsWith('0x') || str.startsWith('0X')) {
}
if (str.startsWith('0x') || str.startsWith('0X')) {
return utils.hexToByteSequence(str);

@@ -193,4 +194,3 @@ }

function parseRendition(line) {
const attributes = line.attributes;
function parseRendition({attributes}) {
const rendition = new Rendition({

@@ -270,4 +270,3 @@ type: attributes['TYPE'],

if (renditionType === 'CLOSED-CAPTIONS') {
for (const rendition of variant.closedCaptions) {
const instreamId = rendition.instreamId;
for (const {instreamId} of variant.closedCaptions) {
if (instreamId && instreamId.startsWith('SERVICE') && params.compatibleVersion < 7) {

@@ -320,6 +319,3 @@ params.compatibleVersion = 7;

const playlist = new MasterPlaylist();
for (const [index, line] of lines.entries()) {
const name = line.name;
const value = line.value;
const attributes = line.attributes;
for (const [index, {name, value, attributes}] of lines.entries()) {
if (name === 'EXT-X-VERSION') {

@@ -389,5 +385,3 @@ playlist.version = value;

for (let i = start; i <= end; i++) {
const name = lines[i].name;
const value = lines[i].value;
const attributes = lines[i].attributes;
const {name, value, attributes} = lines[i];
if (name === 'EXTINF') {

@@ -456,9 +450,7 @@ if (!Number.isInteger(value.duration) && params.compatibleVersion < 3) {

let discontinuitySequence = 0;
let key = null;
let map = null;
let currentKey = null;
let currentMap = null;
for (const [index, line] of lines.entries()) {
const name = line.name;
const value = line.value;
const attributes = line.attributes;
if (line.category === 'Segment') {
const {name, value, attributes, category} = line;
if (category === 'Segment') {
if (segmentStart === -1) {

@@ -519,21 +511,22 @@ segmentStart = index;

if (segment) {
if (segment.discontinuity) {
const {discontinuity, key, map, byterange, uri} = segment;
if (discontinuity) {
segment.discontinuitySequence = ++discontinuitySequence;
}
if (segment.key) {
key = segment.key;
} else if (key) {
segment.key = key;
if (key) {
currentKey = key;
} else if (currentKey) {
segment.key = currentKey;
}
if (segment.map) {
map = segment.map;
} else if (map) {
segment.map = map;
if (map) {
currentMap = map;
} else if (currentMap) {
segment.map = currentMap;
}
if (segment.byterange && segment.byterange.offset === -1) {
const segments = playlist.segments;
if (byterange && byterange.offset === -1) {
const {segments} = playlist;
if (segments.length > 0) {
const prevSegment = segments[segments.length - 1];
if (prevSegment.byterange && prevSegment.uri === segment.uri) {
segment.byterange.offset = prevSegment.byterange.offset + prevSegment.byterange.length;
if (prevSegment.byterange && prevSegment.uri === uri) {
byterange.offset = prevSegment.byterange.offset + prevSegment.byterange.length;
} else {

@@ -561,9 +554,8 @@ utils.INVALIDPLAYLIST('If offset of EXT-X-BYTERANGE is not present, a previous Media Segment MUST be a sub-range of the same media resource');

for (let i = segments.length - 1; i >= 0; i--) {
const segment = segments[i];
if (segment.programDateTime) {
const {programDateTime, dateRange} = segments[i];
if (programDateTime) {
hasProgramDateTime = true;
}
if (segment.dateRange) {
if (dateRange) {
hasDateRange = true;
const dateRange = segment.dateRange;
if (dateRange.endOnNext && (dateRange.end || dateRange.duration)) {

@@ -570,0 +562,0 @@ utils.INVALIDPLAYLIST('An EXT-X-DATERANGE tag with an END-ON-NEXT=YES attribute MUST NOT contain DURATION or END-DATE attributes.');

dist/hls-parser.js.map
dist/hls-parser.js

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