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hls-parser

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hls-parser - npm Package Compare versions

Comparing version 0.6.4 to 0.7.0

2

dist/hls-parser.min.js
/*! For license information please see hls-parser.min.js.LICENSE.txt */
!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()}(self,(function(){return t={851:(t,e,n)=>{var a=n(771),r=a.getOptions,i=a.setOptions,o=n(463),s=n(367),c=n(890);t.exports={parse:o,stringify:s,types:c,getOptions:r,setOptions:i}},463:(t,e,n)=>{function a(t,e){var n;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(n=i(t))||e&&t&&"number"==typeof t.length){n&&(t=n);var a=0,r=function(){};return{s:r,n:function(){return a>=t.length?{done:!0}:{done:!1,value:t[a++]}},e:function(t){throw t},f:r}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var o,s=!0,c=!1;return{s:function(){n=t[Symbol.iterator]()},n:function(){var t=n.next();return s=t.done,t},e:function(t){c=!0,o=t},f:function(){try{s||null==n.return||n.return()}finally{if(c)throw o}}}}function r(t,e){return function(t){if(Array.isArray(t))return t}(t)||function(t,e){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t)){var n=[],a=!0,r=!1,i=void 0;try{for(var o,s=t[Symbol.iterator]();!(a=(o=s.next()).done)&&(n.push(o.value),!e||n.length!==e);a=!0);}catch(t){r=!0,i=t}finally{try{a||null==s.return||s.return()}finally{if(r)throw i}}return n}}(t,e)||i(t,e)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function i(t,e){if(t){if("string"==typeof t)return o(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Object"===n&&t.constructor&&(n=t.constructor.name),"Map"===n||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?o(t,e):void 0}}function o(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,a=new Array(e);n<e;n++)a[n]=t[n];return a}var s=n(771),c=n(890),u=c.Rendition,l=c.Variant,T=c.SessionData,E=c.Key,f=c.MediaInitializationSection,h=c.DateRange,I=c.SpliceInfo,A=c.MasterPlaylist,p=c.MediaPlaylist,d=c.Segment,S=c.PartialSegment,N=c.RenditionReport;function y(t){return s.trim(t,'"')}function X(t){var e=s.splitAt(t,",");return{duration:s.toNumber(e[0]),title:decodeURIComponent(escape(e[1]))}}function v(t){var e=s.splitAt(t,"@");return{length:s.toNumber(e[0]),offset:e[1]?s.toNumber(e[1]):-1}}function R(t,e){e.IV&&t.compatibleVersion<2&&(t.compatibleVersion=2),(e.KEYFORMAT||e.KEYFORMATVERSIONS)&&t.compatibleVersion<5&&(t.compatibleVersion=5)}function m(t){var e=s.splitByCommaWithPreservingQuotes(t),n={};return e.forEach((function(t){var e,a,i=r(s.splitAt(t,"="),2),o=i[0],c=i[1],u=y(c);switch(o){case"URI":n[o]=u;break;case"START-DATE":case"END-DATE":n[o]=new Date(u);break;case"IV":n[o]=(e=u,16!==(a=s.hexToByteSequence(e)).length&&s.INVALIDPLAYLIST("IV must be a 128-bit unsigned integer"),a);break;case"BYTERANGE":n[o]=v(u);break;case"RESOLUTION":n[o]=function(t){var e=s.splitAt(t,"x");return{width:s.toNumber(e[0]),height:s.toNumber(e[1])}}(u);break;case"END-ON-NEXT":case"DEFAULT":case"AUTOSELECT":case"FORCED":case"PRECISE":case"CAN-BLOCK-RELOAD":case"INDEPENDENT":case"GAP":n[o]="YES"===u;break;case"DURATION":case"PLANNED-DURATION":case"BANDWIDTH":case"AVERAGE-BANDWIDTH":case"FRAME-RATE":case"TIME-OFFSET":case"CAN-SKIP-UNTIL":case"HOLD-BACK":case"PART-HOLD-BACK":case"PART-TARGET":case"BYTERANGE-START":case"BYTERANGE-LENGTH":case"LAST-MSN":case"LAST-PART":case"SKIPPED-SEGMENTS":n[o]=s.toNumber(u);break;default:o.startsWith("SCTE35-")?n[o]=s.hexToByteSequence(u):o.startsWith("X-")?n[o]=function(t){return t.startsWith('"')?y(t):t.startsWith("0x")||t.startsWith("0X")?s.hexToByteSequence(t):s.toNumber(t)}(c):n[o]=u}})),n}function D(){s.INVALIDPLAYLIST("The file contains both media and master playlist tags.")}function L(t,e,n){var r,i=(r=e.attributes,new u({type:r.TYPE,uri:r.URI,groupId:r["GROUP-ID"],language:r.LANGUAGE,assocLanguage:r["ASSOC-LANGUAGE"],name:r.NAME,isDefault:r.DEFAULT,autoselect:r.AUTOSELECT,forced:r.FORCED,instreamId:r["INSTREAM-ID"],characteristics:r.CHARACTERISTICS,channels:r.CHANNELS})),o=t[s.camelify(n)],c=function(t,e){var n,r=!1,i=a(t);try{for(i.s();!(n=i.n()).done;){var o=n.value;if(o.name===e.name)return"All EXT-X-MEDIA tags in the same Group MUST have different NAME attributes.";o.isDefault&&(r=!0)}}catch(t){i.e(t)}finally{i.f()}return r&&e.isDefault?"EXT-X-MEDIA A Group MUST NOT have more than one member with a DEFAULT attribute of YES.":""}(o,i);c&&s.INVALIDPLAYLIST(c),o.push(i),i.isDefault&&(t.currentRenditions[s.camelify(n)]=o.length-1)}function g(t,e,n,r,i){var o,c=new l({uri:n,bandwidth:e.BANDWIDTH,averageBandwidth:e["AVERAGE-BANDWIDTH"],codecs:e.CODECS,resolution:e.RESOLUTION,frameRate:e["FRAME-RATE"],hdcpLevel:e["HDCP-LEVEL"]}),u=a(t);try{for(u.s();!(o=u.n()).done;){var T=o.value;if("EXT-X-MEDIA"===T.name){var E=T.attributes,f=E.TYPE;if(f&&E["GROUP-ID"]||s.INVALIDPLAYLIST("EXT-X-MEDIA TYPE attribute is REQUIRED."),e[f]===E["GROUP-ID"]&&(L(c,T,f),"CLOSED-CAPTIONS"===f)){var h,I=a(c.closedCaptions);try{for(I.s();!(h=I.n()).done;){var A=h.value.instreamId;if(A&&A.startsWith("SERVICE")&&i.compatibleVersion<7){i.compatibleVersion=7;break}}}catch(t){I.e(t)}finally{I.f()}}}}}catch(t){u.e(t)}finally{u.f()}return function(t,e,n){["AUDIO","VIDEO","SUBTITLES","CLOSED-CAPTIONS"].forEach((function(a){"CLOSED-CAPTIONS"===a&&"NONE"===t[a]?(n.isClosedCaptionsNone=!0,e.closedCaptions=[]):t[a]&&!e[s.camelify(a)].find((function(e){return e.groupId===t[a]}))&&s.INVALIDPLAYLIST("".concat(a," attribute MUST match the value of the GROUP-ID attribute of an EXT-X-MEDIA tag whose TYPE attribute is ").concat(a,"."))}))}(e,c,i),c.isIFrameOnly=r,c}function O(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 n=0;n<t.iv.length;n++)if(t.iv[n]!==e.iv[n])return!1}else if(e.iv)return!1;return t.format===e.format&&t.formatVersion===e.formatVersion}function P(t,e,n,a,r,i,o){for(var c=new d({uri:e,mediaSequenceNumber:r,discontinuitySequence:i}),u=!1,l=!1,T=function(e){var n=t[e],a=n.name,r=n.value,i=n.attributes;if("EXTINF"===a)!Number.isInteger(r.duration)&&o.compatibleVersion<3&&(o.compatibleVersion=3),Math.round(r.duration)>o.targetDuration&&s.INVALIDPLAYLIST("EXTINF duration, when rounded to the nearest integer, MUST be less than or equal to the target duration"),c.duration=r.duration,c.title=r.title;else if("EXT-X-BYTERANGE"===a)o.compatibleVersion<4&&(o.compatibleVersion=4),c.byterange=r;else if("EXT-X-DISCONTINUITY"===a)c.parts.length>0&&s.INVALIDPLAYLIST("EXT-X-DISCONTINUITY must appear before the first EXT-X-PART tag of the Parent Segment."),c.discontinuity=!0;else if("EXT-X-KEY"===a)c.parts.length>0&&s.INVALIDPLAYLIST("EXT-X-KEY must appear before the first EXT-X-PART tag of the Parent Segment."),R(o,i),c.key=new E({method:i.METHOD,uri:i.URI,iv:i.IV,format:i.KEYFORMAT,formatVersion:i.KEYFORMATVERSIONS});else if("EXT-X-MAP"===a)c.parts.length>0&&s.INVALIDPLAYLIST("EXT-X-MAP must appear before the first EXT-X-PART tag of the Parent Segment."),o.compatibleVersion<5&&(o.compatibleVersion=5),o.hasMap=!0,c.map=new f({uri:i.URI,byterange:i.BYTERANGE});else if("EXT-X-PROGRAM-DATE-TIME"===a)c.programDateTime=r;else if("EXT-X-DATERANGE"===a){var T={};Object.keys(i).forEach((function(t){(t.startsWith("SCTE35-")||t.startsWith("X-"))&&(T[t]=i[t])})),c.dateRange=new h({id:i.ID,classId:i.CLASS,start:i["START-DATE"],end:i["END-DATE"],duration:i.DURATION,plannedDuration:i["PLANNED-DURATION"],endOnNext:i["END-ON-NEXT"],attributes:T})}else if("EXT-X-CUE-OUT"===a)c.markers.push(new I({type:"OUT",duration:r}));else if("EXT-X-CUE-IN"===a)c.markers.push(new I({type:"IN"}));else if("EXT-X-CUE-OUT-CONT"===a||"EXT-X-CUE"===a||"EXT-OATCLS-SCTE35"===a||"EXT-X-ASSET"===a||"EXT-X-SCTE35"===a)c.markers.push(new I({type:"RAW",tagName:a,value:r}));else if("EXT-X-PRELOAD-HINT"!==a||i.TYPE)if("EXT-X-PRELOAD-HINT"===a&&"PART"===i.TYPE&&l)s.INVALIDPLAYLIST("Servers should not add more than one EXT-X-PRELOAD-HINT tag with the same TYPE attribute to a Playlist.");else if("EXT-X-PART"!==a&&"EXT-X-PRELOAD-HINT"!==a||i.URI){if("EXT-X-PRELOAD-HINT"===a&&"MAP"===i.TYPE)u&&s.INVALIDPLAYLIST("Servers should not add more than one EXT-X-PRELOAD-HINT tag with the same TYPE attribute to a Playlist."),u=!0,o.hasMap=!0,c.map=new f({hint:!0,uri:i.URI,byterange:{length:i["BYTERANGE-LENGTH"],offset:i["BYTERANGE-START"]||0}});else if("EXT-X-PART"===a||"EXT-X-PRELOAD-HINT"===a&&"PART"===i.TYPE){"EXT-X-PART"!==a||i.DURATION||s.INVALIDPLAYLIST("EXT-X-PART: DURATION attribute is mandatory"),"EXT-X-PRELOAD-HINT"===a&&(l=!0);var A=new S({hint:"EXT-X-PRELOAD-HINT"===a,uri:i.URI,byterange:"EXT-X-PART"===a?i.BYTERANGE:{length:i["BYTERANGE-LENGTH"],offset:i["BYTERANGE-START"]||0},duration:i.DURATION,independent:i.INDEPENDENT,gap:i.GAP});c.parts.push(A)}}else s.INVALIDPLAYLIST("EXT-X-PART / EXT-X-PRELOAD-HINT: URI attribute is mandatory");else s.INVALIDPLAYLIST("EXT-X-PRELOAD-HINT: TYPE attribute is mandatory")},A=n;A<=a;A++)T(A);return c}function b(t,e){var n,i=new p,o=-1,c=0,u=!1,l=0,T=null,E=null,f=!1,h=a(t.entries());try{for(h.s();!(n=h.n()).done;){var I=r(n.value,2),A=I[0],d=I[1],S=d.name,y=d.value,X=d.attributes;if("Segment"!==d.category){if("EXT-X-VERSION"===S)void 0===i.version?i.version=y:s.INVALIDPLAYLIST("A Playlist file MUST NOT contain more than one EXT-X-VERSION tag.");else if("EXT-X-TARGETDURATION"===S)i.targetDuration=e.targetDuration=y;else if("EXT-X-MEDIA-SEQUENCE"===S)i.segments.length>0&&s.INVALIDPLAYLIST("The EXT-X-MEDIA-SEQUENCE tag MUST appear before the first Media Segment in the Playlist."),i.mediaSequenceBase=c=y;else if("EXT-X-DISCONTINUITY-SEQUENCE"===S)i.segments.length>0&&s.INVALIDPLAYLIST("The EXT-X-DISCONTINUITY-SEQUENCE tag MUST appear before the first Media Segment in the Playlist."),u&&s.INVALIDPLAYLIST("The EXT-X-DISCONTINUITY-SEQUENCE tag MUST appear before any EXT-X-DISCONTINUITY tag."),i.discontinuitySequenceBase=l=y;else if("EXT-X-ENDLIST"===S)i.endlist=!0;else if("EXT-X-PLAYLIST-TYPE"===S)i.playlistType=y;else if("EXT-X-I-FRAMES-ONLY"===S)e.compatibleVersion<4&&(e.compatibleVersion=4),i.isIFrame=!0;else if("EXT-X-INDEPENDENT-SEGMENTS"===S)i.independentSegments&&s.INVALIDPLAYLIST("EXT-X-INDEPENDENT-SEGMENTS tag MUST NOT appear more than once in a Playlist"),i.independentSegments=!0;else if("EXT-X-START"===S)i.start&&s.INVALIDPLAYLIST("EXT-X-START tag MUST NOT appear more than once in a Playlist"),"number"!=typeof X["TIME-OFFSET"]&&s.INVALIDPLAYLIST("EXT-X-START: TIME-OFFSET attribute is REQUIRED"),i.start={offset:X["TIME-OFFSET"],precise:X.PRECISE||!1};else if("EXT-X-SERVER-CONTROL"===S)X["CAN-BLOCK-RELOAD"]||s.INVALIDPLAYLIST("EXT-X-SERVER-CONTROL: CAN-BLOCK-RELOAD=YES is mandatory for Low-Latency HLS"),i.lowLatencyCompatibility={canBlockReload:X["CAN-BLOCK-RELOAD"],canSkipUntil:X["CAN-SKIP-UNTIL"],holdBack:X["HOLD-BACK"],partHoldBack:X["PART-HOLD-BACK"]};else if("EXT-X-PART-INF"===S)X["PART-TARGET"]||s.INVALIDPLAYLIST("EXT-X-PART-INF: PART-TARGET attribute is mandatory"),i.partTargetDuration=X["PART-TARGET"];else if("EXT-X-RENDITION-REPORT"===S)X.URI||s.INVALIDPLAYLIST("EXT-X-RENDITION-REPORT: URI attribute is mandatory"),0===X.URI.search(/^[a-z]+:/)&&s.INVALIDPLAYLIST("EXT-X-RENDITION-REPORT: URI must be relative to the playlist uri"),i.renditionReports.push(new N({uri:X.URI,lastMSN:X["LAST-MSN"],lastPart:X["LAST-PART"]}));else if("EXT-X-SKIP"===S)X["SKIPPED-SEGMENTS"]||s.INVALIDPLAYLIST("EXT-X-SKIP: SKIPPED-SEGMENTS attribute is mandatory"),e.compatibleVersion<9&&(e.compatibleVersion=9),i.skip=X["SKIPPED-SEGMENTS"],c+=i.skip;else if("string"==typeof d){-1===o&&s.INVALIDPLAYLIST("A URI line is not preceded by any segment tags"),i.targetDuration||s.INVALIDPLAYLIST("The EXT-X-TARGETDURATION tag is REQUIRED");var v=P(t,d,o,A-1,c++,l,e);if(v){var R=r(C(i,v,l,T,E),3);l=R[0],T=R[1],E=R[2],!f&&v.parts.length>0&&(f=!0)}o=-1}}else-1===o&&(o=A),"EXT-X-DISCONTINUITY"===S&&(u=!0)}}catch(t){h.e(t)}finally{h.f()}if(-1!==o){var m=P(t,"",o,t.length-1,c++,l,e);if(m){var D=m.parts;D.length>0&&!i.endlist&&!D[D.length-1].hint&&s.INVALIDPLAYLIST("If the Playlist contains EXT-X-PART tags and does not contain an EXT-X-ENDLIST tag, the Playlist must contain an EXT-X-PRELOAD-HINT tag with a TYPE=PART attribute"),C(i,m,T,E),!f&&m.parts.length>0&&(f=!0)}}return function(t){for(var e=new Map,n=new Map,r=!1,i=!1,o=t.length-1;o>=0;o--){var c=t[o],u=c.programDateTime,l=c.dateRange;if(u&&(i=!0),l&&l.start){r=!0,l.endOnNext&&(l.end||l.duration)&&s.INVALIDPLAYLIST("An EXT-X-DATERANGE tag with an END-ON-NEXT=YES attribute MUST NOT contain DURATION or END-DATE attributes.");var T=l.start.getTime(),E=l.duration||0;l.end&&l.duration&&T+1e3*E!==l.end.getTime()&&s.INVALIDPLAYLIST("END-DATE MUST be equal to the value of the START-DATE attribute plus the value of the DURATION"),l.endOnNext&&(l.end=e.get(l.classId)),e.set(l.classId,l.start);var f=l.end?l.end.getTime():l.start.getTime()+1e3*(l.duration||0),h=n.get(l.classId);if(h){var I,A=a(h);try{for(A.s();!(I=A.n()).done;){var p=I.value;(p.start<=T&&p.end>T||p.start>=T&&p.start<f)&&s.INVALIDPLAYLIST("DATERANGE tags with the same CLASS should not overlap")}}catch(t){A.e(t)}finally{A.f()}h.push({start:T,end:f})}else n.set(l.classId,[{start:T,end:f}])}}r&&!i&&s.INVALIDPLAYLIST("If a Playlist contains an EXT-X-DATERANGE tag, it MUST also contain at least one EXT-X-PROGRAM-DATE-TIME tag.")}(i.segments),i.lowLatencyCompatibility&&function(t,e){var n=t.lowLatencyCompatibility,i=t.targetDuration,o=t.partTargetDuration,c=t.segments,u=t.renditionReports,l=n.canSkipUntil,T=n.holdBack,E=n.partHoldBack;if(l<6*i&&s.INVALIDPLAYLIST("The Skip Boundary must be at least six times the EXT-X-TARGETDURATION."),T<3*i&&s.INVALIDPLAYLIST("HOLD-BACK must be at least three times the EXT-X-TARGETDURATION."),e){void 0===o&&s.INVALIDPLAYLIST("EXT-X-PART-INF is required if a Playlist contains one or more EXT-X-PART tags"),void 0===E&&s.INVALIDPLAYLIST("EXT-X-PART: PART-HOLD-BACK attribute is mandatory"),E<o&&s.INVALIDPLAYLIST("PART-HOLD-BACK must be at least PART-TARGET");var f,h=a(c.entries());try{for(h.s();!(f=h.n()).done;){var I=r(f.value,2),A=I[0],p=I[1].parts;p.length>0&&A<c.length-3&&s.INVALIDPLAYLIST("Remove EXT-X-PART tags from the Playlist after they are greater than three target durations from the end of the Playlist.");var d,S=a(p.entries());try{for(S.s();!(d=S.n()).done;){var N=r(d.value,2),y=N[0],X=N[1].duration;void 0!==X&&(X>o&&s.INVALIDPLAYLIST("PART-TARGET is the maximum duration of any Partial Segment"),y<p.length-1&&X<.85*o&&s.INVALIDPLAYLIST("All Partial Segments except the last part of a segment must have a duration of at least 85% of PART-TARGET"))}}catch(t){S.e(t)}finally{S.f()}}}catch(t){h.e(t)}finally{h.f()}}var v,R=a(u);try{for(R.s();!(v=R.n()).done;){var m=v.value,D=c[c.length-1];m.lastMSN||(m.lastMSN=D.mediaSequenceNumber),!m.lastPart&&D.parts.length>0&&(m.lastPart=D.parts.length-1)}}catch(t){R.e(t)}finally{R.f()}}(i,f),i}function C(t,e,n,a,r){var i=e.discontinuity,o=e.key,c=e.map,u=e.byterange,l=e.uri;if(i&&(e.discontinuitySequence=n+1),o||(e.key=a),c||(e.map=r),u&&-1===u.offset){var T=t.segments;if(T.length>0){var E=T[T.length-1];E.byterange&&E.uri===l?u.offset=E.byterange.offset+E.byterange.length:s.INVALIDPLAYLIST("If offset of EXT-X-BYTERANGE is not present, a previous Media Segment MUST be a sub-range of the same media resource")}else s.INVALIDPLAYLIST("If offset of EXT-X-BYTERANGE is not present, a previous Media Segment MUST appear in the Playlist file")}return t.segments.push(e),[e.discontinuitySequence,e.key,e.map]}function M(t,e){var n=r(function(t){var e=t.indexOf(":");return-1===e?[t.slice(1).trim(),null]:[t.slice(1,e).trim(),t.slice(e+1).trim()]}(t),2),a=n[0],i=n[1],o=function(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":case"EXT-X-CUE-OUT":case"EXT-X-CUE-IN":case"EXT-X-CUE-OUT-CONT":case"EXT-X-CUE":case"EXT-OATCLS-SCTE35":case"EXT-X-ASSET":case"EXT-X-SCTE35":case"EXT-X-PART":case"EXT-X-PRELOAD-HINT":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":case"EXT-X-SERVER-CONTROL":case"EXT-X-PART-INF":case"EXT-X-RENDITION-REPORT":case"EXT-X-SKIP":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"}}(a);if(function(t,e){if("Segment"===t||"MediaPlaylist"===t)return void 0===e.isMasterPlaylist?void(e.isMasterPlaylist=!1):void(e.isMasterPlaylist&&D());if("MasterPlaylist"===t){if(void 0===e.isMasterPlaylist)return void(e.isMasterPlaylist=!0);!1===e.isMasterPlaylist&&D()}}(o,e),"Unknown"===o)return null;"MediaPlaylist"===o&&"EXT-X-RENDITION-REPORT"!==a&&(e.hash[a]&&s.INVALIDPLAYLIST("There MUST NOT be more than one Media Playlist tag of each type in any Media Playlist"),e.hash[a]=!0);var c=r(function(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":case"EXT-X-CUE-IN":return[null,null];case"EXT-X-VERSION":case"EXT-X-TARGETDURATION":case"EXT-X-MEDIA-SEQUENCE":case"EXT-X-DISCONTINUITY-SEQUENCE":case"EXT-X-CUE-OUT":return[s.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":case"EXT-X-SERVER-CONTROL":case"EXT-X-PART-INF":case"EXT-X-PART":case"EXT-X-PRELOAD-HINT":case"EXT-X-RENDITION-REPORT":case"EXT-X-SKIP":return[null,m(e)];case"EXTINF":return[X(e),null];case"EXT-X-BYTERANGE":return[v(e),null];case"EXT-X-PROGRAM-DATE-TIME":return[new Date(e),null];case"EXT-X-PLAYLIST-TYPE":default:return[e,null]}}(a,i),2);return{name:a,category:o,value:c[0],attributes:c[1]}}function U(t,e){var n;return e.isMasterPlaylist?n=function(t,e){var n,i=new 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if("EXT-X-DISCONTINUITY"===a)c.parts.length>0&&s.INVALIDPLAYLIST("EXT-X-DISCONTINUITY must appear before the first EXT-X-PART tag of the Parent Segment."),c.discontinuity=!0;else if("EXT-X-KEY"===a)c.parts.length>0&&s.INVALIDPLAYLIST("EXT-X-KEY must appear before the first EXT-X-PART tag of the Parent Segment."),R(o,i),c.key=new E({method:i.METHOD,uri:i.URI,iv:i.IV,format:i.KEYFORMAT,formatVersion:i.KEYFORMATVERSIONS});else if("EXT-X-MAP"===a)c.parts.length>0&&s.INVALIDPLAYLIST("EXT-X-MAP must appear before the first EXT-X-PART tag of the Parent Segment."),o.compatibleVersion<5&&(o.compatibleVersion=5),o.hasMap=!0,c.map=new f({uri:i.URI,byterange:i.BYTERANGE});else if("EXT-X-PROGRAM-DATE-TIME"===a)c.programDateTime=r;else if("EXT-X-DATERANGE"===a){var T={};Object.keys(i).forEach((function(t){(t.startsWith("SCTE35-")||t.startsWith("X-"))&&(T[t]=i[t])})),c.dateRange=new h({id:i.ID,classId:i.CLASS,start:i["START-DATE"],end:i["END-DATE"],duration:i.DURATION,plannedDuration:i["PLANNED-DURATION"],endOnNext:i["END-ON-NEXT"],attributes:T})}else if("EXT-X-CUE-OUT"===a)c.markers.push(new I({type:"OUT",duration:r}));else if("EXT-X-CUE-IN"===a)c.markers.push(new I({type:"IN"}));else if("EXT-X-CUE-OUT-CONT"===a||"EXT-X-CUE"===a||"EXT-OATCLS-SCTE35"===a||"EXT-X-ASSET"===a||"EXT-X-SCTE35"===a)c.markers.push(new I({type:"RAW",tagName:a,value:r}));else if("EXT-X-PRELOAD-HINT"!==a||i.TYPE)if("EXT-X-PRELOAD-HINT"===a&&"PART"===i.TYPE&&l)s.INVALIDPLAYLIST("Servers should not add more than one EXT-X-PRELOAD-HINT tag with the same TYPE attribute to a Playlist.");else if("EXT-X-PART"!==a&&"EXT-X-PRELOAD-HINT"!==a||i.URI){if("EXT-X-PRELOAD-HINT"===a&&"MAP"===i.TYPE)u&&s.INVALIDPLAYLIST("Servers should not add more than one EXT-X-PRELOAD-HINT tag with the same TYPE attribute to a Playlist."),u=!0,o.hasMap=!0,c.map=new f({hint:!0,uri:i.URI,byterange:{length:i["BYTERANGE-LENGTH"],offset:i["BYTERANGE-START"]||0}});else if("EXT-X-PART"===a||"EXT-X-PRELOAD-HINT"===a&&"PART"===i.TYPE){"EXT-X-PART"!==a||i.DURATION||s.INVALIDPLAYLIST("EXT-X-PART: DURATION attribute is mandatory"),"EXT-X-PRELOAD-HINT"===a&&(l=!0);var A=new S({hint:"EXT-X-PRELOAD-HINT"===a,uri:i.URI,byterange:"EXT-X-PART"===a?i.BYTERANGE:{length:i["BYTERANGE-LENGTH"],offset:i["BYTERANGE-START"]||0},duration:i.DURATION,independent:i.INDEPENDENT,gap:i.GAP});c.parts.push(A)}}else s.INVALIDPLAYLIST("EXT-X-PART / EXT-X-PRELOAD-HINT: URI attribute is mandatory");else s.INVALIDPLAYLIST("EXT-X-PRELOAD-HINT: TYPE attribute is mandatory")},A=n;A<=a;A++)T(A);return c}function b(t,e){var n,i=new p,o=-1,c=0,u=!1,l=0,T=null,E=null,f=!1,h=a(t.entries());try{for(h.s();!(n=h.n()).done;){var I=r(n.value,2),A=I[0],d=I[1],S=d.name,y=d.value,X=d.attributes;if("Segment"!==d.category){if("EXT-X-VERSION"===S)void 0===i.version?i.version=y:s.INVALIDPLAYLIST("A 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Playlist"),i.independentSegments=!0;else if("EXT-X-START"===S)i.start&&s.INVALIDPLAYLIST("EXT-X-START tag MUST NOT appear more than once in a Playlist"),"number"!=typeof X["TIME-OFFSET"]&&s.INVALIDPLAYLIST("EXT-X-START: TIME-OFFSET attribute is REQUIRED"),i.start={offset:X["TIME-OFFSET"],precise:X.PRECISE||!1};else if("EXT-X-SERVER-CONTROL"===S)X["CAN-BLOCK-RELOAD"]||s.INVALIDPLAYLIST("EXT-X-SERVER-CONTROL: CAN-BLOCK-RELOAD=YES is mandatory for Low-Latency HLS"),i.lowLatencyCompatibility={canBlockReload:X["CAN-BLOCK-RELOAD"],canSkipUntil:X["CAN-SKIP-UNTIL"],holdBack:X["HOLD-BACK"],partHoldBack:X["PART-HOLD-BACK"]};else if("EXT-X-PART-INF"===S)X["PART-TARGET"]||s.INVALIDPLAYLIST("EXT-X-PART-INF: PART-TARGET attribute is mandatory"),i.partTargetDuration=X["PART-TARGET"];else if("EXT-X-RENDITION-REPORT"===S)X.URI||s.INVALIDPLAYLIST("EXT-X-RENDITION-REPORT: URI attribute is mandatory"),0===X.URI.search(/^[a-z]+:/)&&s.INVALIDPLAYLIST("EXT-X-RENDITION-REPORT: URI must be relative to the playlist uri"),i.renditionReports.push(new N({uri:X.URI,lastMSN:X["LAST-MSN"],lastPart:X["LAST-PART"]}));else if("EXT-X-SKIP"===S)X["SKIPPED-SEGMENTS"]||s.INVALIDPLAYLIST("EXT-X-SKIP: SKIPPED-SEGMENTS attribute is mandatory"),e.compatibleVersion<9&&(e.compatibleVersion=9),i.skip=X["SKIPPED-SEGMENTS"],c+=i.skip;else if("string"==typeof d){-1===o&&s.INVALIDPLAYLIST("A URI line is not preceded by any segment tags"),i.targetDuration||s.INVALIDPLAYLIST("The EXT-X-TARGETDURATION tag is REQUIRED");var v=P(t,d,o,A-1,c++,l,e);if(v){var R=r(C(i,v,l,T,E),3);l=R[0],T=R[1],E=R[2],!f&&v.parts.length>0&&(f=!0)}o=-1}}else-1===o&&(o=A),"EXT-X-DISCONTINUITY"===S&&(u=!0)}}catch(t){h.e(t)}finally{h.f()}if(-1!==o){var m=P(t,"",o,t.length-1,c++,l,e);if(m){var D=m.parts;D.length>0&&!i.endlist&&!D[D.length-1].hint&&s.INVALIDPLAYLIST("If the Playlist contains EXT-X-PART tags and does not contain an EXT-X-ENDLIST tag, the Playlist must contain an EXT-X-PRELOAD-HINT tag with a TYPE=PART 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n.set(l.classId,[{start:T,end:f}])}}r&&!i&&s.INVALIDPLAYLIST("If a Playlist contains an EXT-X-DATERANGE tag, it MUST also contain at least one EXT-X-PROGRAM-DATE-TIME tag.")}(i.segments),i.lowLatencyCompatibility&&function(t,e){var n=t.lowLatencyCompatibility,i=t.targetDuration,o=t.partTargetDuration,c=t.segments,u=t.renditionReports,l=n.canSkipUntil,T=n.holdBack,E=n.partHoldBack;if(l<6*i&&s.INVALIDPLAYLIST("The Skip Boundary must be at least six times the EXT-X-TARGETDURATION."),T<3*i&&s.INVALIDPLAYLIST("HOLD-BACK must be at least three times the EXT-X-TARGETDURATION."),e){void 0===o&&s.INVALIDPLAYLIST("EXT-X-PART-INF is required if a Playlist contains one or more EXT-X-PART tags"),void 0===E&&s.INVALIDPLAYLIST("EXT-X-PART: PART-HOLD-BACK attribute is mandatory"),E<o&&s.INVALIDPLAYLIST("PART-HOLD-BACK must be at least PART-TARGET");var f,h=a(c.entries());try{for(h.s();!(f=h.n()).done;){var I=r(f.value,2),A=I[0],p=I[1].parts;p.length>0&&A<c.length-3&&s.INVALIDPLAYLIST("Remove 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E=T[T.length-1];E.byterange&&E.uri===l?u.offset=E.byterange.offset+E.byterange.length:s.INVALIDPLAYLIST("If offset of EXT-X-BYTERANGE is not present, a previous Media Segment MUST be a sub-range of the same media resource")}else s.INVALIDPLAYLIST("If offset of EXT-X-BYTERANGE is not present, a previous Media Segment MUST appear in the Playlist file")}return t.segments.push(e),[e.discontinuitySequence,e.key,e.map]}function M(t,e){var n=r(function(t){var e=t.indexOf(":");return-1===e?[t.slice(1).trim(),null]:[t.slice(1,e).trim(),t.slice(e+1).trim()]}(t),2),a=n[0],i=n[1],o=function(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":case"EXT-X-CUE-OUT":case"EXT-X-CUE-IN":case"EXT-X-CUE-OUT-CONT":case"EXT-X-CUE":case"EXT-OATCLS-SCTE35":case"EXT-X-ASSET":case"EXT-X-SCTE35":case"EXT-X-PART":case"EXT-X-PRELOAD-HINT":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":case"EXT-X-SERVER-CONTROL":case"EXT-X-PART-INF":case"EXT-X-RENDITION-REPORT":case"EXT-X-SKIP":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"}}(a);if(function(t,e){if("Segment"===t||"MediaPlaylist"===t)return void 0===e.isMasterPlaylist?void(e.isMasterPlaylist=!1):void(e.isMasterPlaylist&&D());if("MasterPlaylist"===t){if(void 0===e.isMasterPlaylist)return void(e.isMasterPlaylist=!0);!1===e.isMasterPlaylist&&D()}}(o,e),"Unknown"===o)return null;"MediaPlaylist"===o&&"EXT-X-RENDITION-REPORT"!==a&&(e.hash[a]&&s.INVALIDPLAYLIST("There MUST NOT be more than one Media Playlist tag of each type in any Media Playlist"),e.hash[a]=!0);var c=r(function(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":case"EXT-X-CUE-IN":return[null,null];case"EXT-X-VERSION":case"EXT-X-TARGETDURATION":case"EXT-X-MEDIA-SEQUENCE":case"EXT-X-DISCONTINUITY-SEQUENCE":case"EXT-X-CUE-OUT":return[s.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":case"EXT-X-SERVER-CONTROL":case"EXT-X-PART-INF":case"EXT-X-PART":case"EXT-X-PRELOAD-HINT":case"EXT-X-RENDITION-REPORT":case"EXT-X-SKIP":return[null,m(e)];case"EXTINF":return[X(e),null];case"EXT-X-BYTERANGE":return[v(e),null];case"EXT-X-PROGRAM-DATE-TIME":return[new Date(e),null];case"EXT-X-PLAYLIST-TYPE":default:return[e,null]}}(a,i),2);return{name:a,category:o,value:c[0],attributes:c[1]}}function U(t,e){var n;return e.isMasterPlaylist?n=function(t,e){var n,i=new 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function(t){if(Array.isArray(t))return t}(t)||function(t,e){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(t)){var n=[],a=!0,r=!1,i=void 0;try{for(var o,s=t[Symbol.iterator]();!(a=(o=s.next()).done)&&(n.push(o.value),!e||n.length!==e);a=!0);}catch(t){r=!0,i=t}finally{try{a||null==s.return||s.return()}finally{if(r)throw i}}return n}}(t,e)||a(t,e)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function n(t,e){var n;if("undefined"==typeof Symbol||null==t[Symbol.iterator]){if(Array.isArray(t)||(n=a(t))||e&&t&&"number"==typeof t.length){n&&(t=n);var r=0,i=function(){};return{s:i,n:function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}},e:function(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var 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//# sourceMappingURL=hls-parser.min.js.map

19

package.json
{
"name": "hls-parser",
"version": "0.6.4",
"version": "0.7.0",
"description": "A simple library to read/write HLS playlists",

@@ -33,12 +33,13 @@ "main": "index.js",

"devDependencies": {
"@babel/core": "^7.12.3",
"@babel/preset-env": "^7.12.1",
"ava": "^3.13.0",
"babel-loader": "^8.1.0",
"@babel/core": "^7.12.10",
"@babel/preset-env": "^7.12.11",
"ava": "^3.14.0",
"babel-loader": "^8.2.2",
"coveralls": "^3.1.0",
"nyc": "^15.1.0",
"terser-webpack-plugin": "^5.0.0",
"webpack": "^5.1.3",
"webpack-cli": "^4.1.0",
"xo": "^0.34.1"
"rewire": "^5.0.0",
"terser-webpack-plugin": "^5.0.3",
"webpack": "^5.11.1",
"webpack-cli": "^4.3.0",
"xo": "^0.36.1"
},

@@ -45,0 +46,0 @@ "xo": {

1

README.md

@@ -91,2 +91,3 @@ [![Build Status](https://travis-ci.org/kuu/hls-parser.svg?branch=master)](https://travis-ci.org/kuu/hls-parser)

| `allowClosedCaptionsNone` | boolean | false | If true, `CLOSED-CAPTIONS` attribute on the `EXT-X-STREAM-INF` tag will be set to the enumerated-string value NONE when there are no closed-captions. See [CLOSED-CAPTIONS](https://tools.ietf.org/html/rfc8216#section-4.3.4.2) |
| `silent` | boolean | false | If true, `console.error` will be suppressed.|

@@ -93,0 +94,0 @@ ### `HLS.getOptions()`

5

utils.js

@@ -5,3 +5,6 @@ let options = {};

if (!options.strictMode) {
return console.error(err.message);
if (!options.silent) {
console.error(err.message);
}
return;
}

@@ -8,0 +11,0 @@ throw err;

dist/hls-parser.js

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dist/hls-parser.min.js.map

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