9 lines
283 KiB
JavaScript
9 lines
283 KiB
JavaScript
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/*! @name @videojs/http-streaming @version 2.5.0 @license Apache-2.0 */
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("global/document"),require("global/window"),require("video.js"),require("xmldom")):"function"==typeof define&&define.amd?define(["exports","global/document","global/window","video.js","xmldom"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).httpStreaming={},e.document,e.window,e.videojs,e.window)}(this,(function(e,t,i,n,r){"use strict";function a(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var s=a(t),o=a(i),u=a(n),d=function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e},l=function(e,t){e.prototype=Object.create(t.prototype),e.prototype.constructor=e,e.__proto__=t};function h(e,t,i){return e(i={path:t,exports:{},require:function(e,t){return function(){throw new Error("Dynamic requires are not currently supported by @rollup/plugin-commonjs")}(null==t&&i.path)}},i.exports),i.exports}var c=h((function(e,t){var i,n,r,a,s;i=/^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/?#]*\/)*[^;?#]*)?(;[^?#]*)?(\?[^#]*)?(#.*)?$/,n=/^([^\/?#]*)(.*)$/,r=/(?:\/|^)\.(?=\/)/g,a=/(?:\/|^)\.\.\/(?!\.\.\/)[^\/]*(?=\/)/g,s={buildAbsoluteURL:function(e,t,i){if(i=i||{},e=e.trim(),!(t=t.trim())){if(!i.alwaysNormalize)return e;var r=s.parseURL(e);if(!r)throw new Error("Error trying to parse base URL.");return r.path=s.normalizePath(r.path),s.buildURLFromParts(r)}var a=s.parseURL(t);if(!a)throw new Error("Error trying to parse relative URL.");if(a.scheme)return i.alwaysNormalize?(a.path=s.normalizePath(a.path),s.buildURLFromParts(a)):t;var o=s.parseURL(e);if(!o)throw new Error("Error trying to parse base URL.");if(!o.netLoc&&o.path&&"/"!==o.path[0]){var u=n.exec(o.path);o.netLoc=u[1],o.path=u[2]}o.netLoc&&!o.path&&(o.path="/");var d={scheme:o.scheme,netLoc:a.netLoc,path:null,params:a.params,query:a.query,fragment:a.fragment};if(!a.netLoc&&(d.netLoc=o.netLoc,"/"!==a.path[0]))if(a.path){var l=o.path,h=l.substring(0,l.lastIndexOf("/")+1)+a.path;d.path=s.normalizePath(h)}else d.path=o.path,a.params||(d.params=o.params,a.query||(d.query=o.query));return null===d.path&&(d.path=i.alwaysNormalize?s.normalizePath(a.path):a.path),s.buildURLFromParts(d)},parseURL:function(e){var t=i.exec(e);return t?{scheme:t[1]||"",netLoc:t[2]||"",path:t[3]||"",params:t[4]||"",query:t[5]||"",fragment:t[6]||""}:null},normalizePath:function(e){for(e=e.split("").reverse().join("").replace(r,"");e.length!==(e=e.replace(a,"")).length;);return e.split("").reverse().join("")},buildURLFromParts:function(e){return e.scheme+e.netLoc+e.path+e.params+e.query+e.fragment}},e.exports=s})),f=function(e,t){return/^[a-z]+:/i.test(t)?t:(/\/\//i.test(e)||(e=c.buildAbsoluteURL(o.default.location&&o.default.location.href||"",e)),c.buildAbsoluteURL(e,t))},m=f,p=function(e,t,i){return e&&i&&i.responseURL&&t!==i.responseURL?i.responseURL:t},g=function(){function e(){this.listeners={}}var t=e.prototype;return t.on=function(e,t){this.listeners[e]||(this.listeners[e]=[]),this.listeners[e].push(t)},t.off=function(e,t){if(!this.listeners[e])return!1;var i=this.listeners[e].indexOf(t);return this.listeners[e]=this.listeners[e].slice(0),this.listeners[e].splice(i,1),i>-1},t.trigger=function(e){var t=this.listeners[e];if(t)if(2===arguments.length)for(var i=t.length,n=0;n<i;++n)t[n].call(this,arguments[1]);else for(var r=Array.prototype.slice.call(arguments,1),a=t.length,s=0;s<a;++s)t[s].apply(this,r)},t.dispose=function(){this.listeners={}},t.pipe=function(e){this.on("data",(function(t){e.push(t)}))},e}(),y=h((function(e){function t(){return e.exports=t=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var i=arguments[t];for(var n in i)Object.prototype.hasOwnProperty.call(i,n)&&(e[n]=i[n])}return e},t.apply(this,arguments)}e.exports=t}));function v(e){for(var t,i=(t=e,o.default.atob?o.default.atob(t):Buffer.from(t,"base64").toString("binary")),n=new Uint8Array(i.length),r=0;r<i.length;r++)n[r]=i.charCodeAt(r);return n}
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/*! @name m3u8-parser @version 4.5.2 @license Apache-2.0 */var _=function(e){function t(){var t;return(t=e.call(this)||this).buffer="",t}return l(t,e),t.prototype.push=function(e){var t;for(this.buffer+=e,t=this.buffer.indexOf("\n");t>-1;t=this.buffer.indexOf("\n"))this.trigger("data",this.buffer.substring(0,t)),this.buffer=this.buffer.substring(t+1)},t}(g),b=function(e){for(var t,i=e.split(new RegExp('(?:^|,)((?:[^=]*)=(?:"[^"]*"|[^,]*))')),n={},r=i.length;r--;)""!==i[r]&&((t=/([^=]*)=(.*)/.exec(i[r]).slice(1))[0]=t[0].replace(/^\s+|\s+$/g,""),t[1]=t[1].replace(/^\s+|\s+$/g,""),t[1]=t[1].replace(/^['"](.*)['"]$/g,"$1"),n[t[0]]=t[1]);return n},T=function(e){function t(){var t;return(t=e.call(this)||this).customParsers=[],t.tagMappers=[],t}l(t,e);var i=t.prototype;return i.push=function(e){var t,i,n=this;0!==(e=e.trim()).length&&("#"===e[0]?this.tagMappers.reduce((function(t,i){var n=i(e);return n===e?t:t.concat([n])}),[e]).forEach((function(e){for(var r=0;r<n.customParsers.length;r++)if(n.customParsers[r].call(n,e))return;if(0===e.indexOf("#EXT"))if(e=e.replace("\r",""),t=/^#EXTM3U/.exec(e))n.trigger("data",{type:"tag",tagType:"m3u"});else{if(t=/^#EXTINF:?([0-9\.]*)?,?(.*)?$/.exec(e))return i={type:"tag",tagType:"inf"},t[1]&&(i.duration=parseFloat(t[1])),t[2]&&(i.title=t[2]),void n.trigger("data",i);if(t=/^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(e))return i={type:"tag",tagType:"targetduration"},t[1]&&(i.duration=parseInt(t[1],10)),void n.trigger("data",i);if(t=/^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(e))return i={type:"tag",tagType:"totalduration"},t[1]&&(i.duration=parseInt(t[1],10)),void n.trigger("data",i);if(t=/^#EXT-X-VERSION:?([0-9.]*)?/.exec(e))return i={type:"tag",tagType:"version"},t[1]&&(i.version=parseInt(t[1],10)),void n.trigger("data",i);if(t=/^#EXT-X-MEDIA-SEQUENCE:?(\-?[0-9.]*)?/.exec(e))return i={type:"tag",tagType:"media-sequence"},t[1]&&(i.number=parseInt(t[1],10)),void n.trigger("data",i);if(t=/^#EXT-X-DISCONTINUITY-SEQUENCE:?(\-?[0-9.]*)?/.exec(e))return i={type:"tag",tagType:"discontinuity-sequence"},t[1]&&(i.number=parseInt(t[1],10)),void n.trigger("data",i);if(t=/^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(e))return i={type:"tag",tagType:"playlist-type"},t[1]&&(i.playlistType=t[1]),void n.trigger("data",i);if(t=/^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(e))return i={type:"tag",tagType:"byterange"},t[1]&&(i.length=parseInt(t[1],10)),t[2]&&(i.offset=parseInt(t[2],10)),void n.trigger("data",i);if(t=/^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(e))return i={type:"tag",tagType:"allow-cache"},t[1]&&(i.allowed=!/NO/.test(t[1])),void n.trigger("data",i);if(t=/^#EXT-X-MAP:?(.*)$/.exec(e)){if(i={type:"tag",tagType:"map"},t[1]){var a=b(t[1]);if(a.URI&&(i.uri=a.URI),a.BYTERANGE){var s=a.BYTERANGE.split("@"),o=s[0],u=s[1];i.byterange={},o&&(i.byterange.length=parseInt(o,10)),u&&(i.byterange.offset=parseInt(u,10))}}n.trigger("data",i)}else if(t=/^#EXT-X-STREAM-INF:?(.*)$/.exec(e)){if(i={type:"tag",tagType:"stream-inf"},t[1]){if(i.attributes=b(t[1]),i.attributes.RESOLUTION){var d=i.attributes.RESOLUTION.split("x"),l={};d[0]&&(l.width=parseInt(d[0],10)),d[1]&&(l.height=parseInt(d[1],10)),i.attributes.RESOLUTION=l}i.attributes.BANDWIDTH&&(i.attributes.BANDWIDTH=parseInt(i.attributes.BANDWIDTH,10)),i.attributes["PROGRAM-ID"]&&(i.attributes["PROGRAM-ID"]=parseInt(i.attributes["PROGRAM-ID"],10))}n.trigger("data",i)}else{if(t=/^#EXT-X-MEDIA:?(.*)$/.exec(e))return i={type:"tag",tagType:"media"},t[1]&&(i.attributes=b(t[1])),void n.trigger("data",i);if(t=/^#EXT-X-ENDLIST/.exec(e))n.trigger("data",{type:"tag",tagType:"endlist"});else if(t=/^#EXT-X-DISCONTINUITY/.exec(e))n.trigger("data",{type:"tag",tagType:"discontinuity"});else{if(t=/^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(e))return i={type:"tag",tagType:"program-date-time"},t[1]&&(i.dateTimeString=t[1],i.dateTimeObject=new Date(t[1])),void n.trigger("data",i);if(t=/^#EXT-X-KEY:?(.*)$/.exec(e))return i={type:"tag",tagType:"key"},t[1]&&(i.attributes=b(t[1]),i.attributes.IV&&("0x"===i.attributes.IV.substring(0,2).toLowerCase()&&(i.attributes.IV=i.attributes.IV.substring(2)),i.attribut
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/*! @name @videojs/http-streaming @version 2.5.0 @license Apache-2.0 */!function(){var e=function(){this.init=function(){var e={};this.on=function(t,i){e[t]||(e[t]=[]),e[t]=e[t].concat(i)},this.off=function(t,i){var n;return!!e[t]&&(n=e[t].indexOf(i),e[t]=e[t].slice(),e[t].splice(n,1),n>-1)},this.trigger=function(t){var i,n,r,a;if(i=e[t])if(2===arguments.length)for(r=i.length,n=0;n<r;++n)i[n].call(this,arguments[1]);else{for(a=[],n=arguments.length,n=1;n<arguments.length;++n)a.push(arguments[n]);for(r=i.length,n=0;n<r;++n)i[n].apply(this,a)}},this.dispose=function(){e={}}}};e.prototype.pipe=function(e){return this.on("data",(function(t){e.push(t)})),this.on("done",(function(t){e.flush(t)})),this.on("partialdone",(function(t){e.partialFlush(t)})),this.on("endedtimeline",(function(t){e.endTimeline(t)})),this.on("reset",(function(t){e.reset(t)})),e},e.prototype.push=function(e){this.trigger("data",e)},e.prototype.flush=function(e){this.trigger("done",e)},e.prototype.partialFlush=function(e){this.trigger("partialdone",e)},e.prototype.endTimeline=function(e){this.trigger("endedtimeline",e)},e.prototype.reset=function(e){this.trigger("reset",e)};var t,n,r,a,s,o,u,d,l,h,c,f,m,p,g,y,v,_,b,T,S,I,w,L,k,A,E,P,C,U,O,D,x,R,M,B,F,N,q,W,V=e,H=Math.pow(2,32)-1;!function(){var e;if(I={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],pasp:[],sdtp:[],smhd:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],styp:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[]},"undefined"!=typeof Uint8Array){for(e in I)I.hasOwnProperty(e)&&(I[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);w=new Uint8Array(["i".charCodeAt(0),"s".charCodeAt(0),"o".charCodeAt(0),"m".charCodeAt(0)]),k=new Uint8Array(["a".charCodeAt(0),"v".charCodeAt(0),"c".charCodeAt(0),"1".charCodeAt(0)]),L=new Uint8Array([0,0,0,1]),A=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),E=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),P={video:A,audio:E},O=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),U=new Uint8Array([0,0,0,0,0,0,0,0]),D=new Uint8Array([0,0,0,0,0,0,0,0]),x=D,R=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),M=D,C=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}}(),t=function(e){var t,i,n=[],r=0;for(t=1;t<arguments.length;t++)n.push(arguments[t]);for(t=n.length;t--;)r+=n[t].byteLength;for(i=new Uint8Array(r+8),new DataView(i.buffer,i.byteOffset,i.byteLength).setUint32(0,i.byteLength),i.set(e,4),t=0,r=8;t<n.length;t++)i.set(n[t],r),r+=n[t].byteLength;return i},n=function(){return t(I.dinf,t(I.dref,O))},r=function(e){return t(I.esds,new Uint8Array([0,0,0,0,3,25,0,0,0,4,17,64,21,0,6,0,0,0,218,192,0,0,218,192,5,2,e.audioobjecttype<<3|e.samplingfrequencyindex>>>1,e.samplingfrequencyindex<<7|e.channelcount<<3,6,1,2]))},g=function(e){return t(I.hdlr,P[e])},p=function(e){var i=new Uint8Array([0,0,0,0,0,0,0,2,0,0,0,3,0,1,95,144,e.duration>>>24&255,e.duration>>>16&255,e.duration>>>8&255,255&e.duration,85,196,0,0]);return e.samplerate&&(i[12]=e.samplerate>>>24&255,i[13]=e.samplerate>>>16&255,i[14]=e.samplerate>>>8&255,i[15]=255&e.samplerate),t(I.mdhd,i)},m=function(e){return t(I.mdia,p(e),g(e.type),o(e))},s=function(e){return t(I.mfhd,new Uint8Array([0,0,0,0,(4278190080&e)>>24,(16711680&e)>>16,(65280&e)>>8,255&e]))},o=function(e){return t(I.minf,"video"===e.type?t(I.vmhd,C):t(I.smhd,U),n(),v(e))},u=function(e,i){for(var n=[],r=i.length;r--;)n[r]=b(i[r]);return t.apply(null,[I.moof,s(e)].concat(n))},d=function(e){for(var i=e.length,n=[];i--;)n[i]=c(e[i]);return t.apply(null,[I.moov,h(4294967295)].concat(n).concat(l(e)))},l=function(e){for(var i=e.length,n=[];i--;)n[i]=T(e[i]);return t.apply(null,[I.mvex].concat(n))},h=function(e){var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,2,0,1,95,144,(4278190080&e)>>24,(16711680&e)>>16,(65280&e)>>8,255&e,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
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/*! @name @videojs/http-streaming @version 2.5.0 @license Apache-2.0 */!function(){function e(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}var t=function(){function e(){this.listeners={}}var t=e.prototype;return t.on=function(e,t){this.listeners[e]||(this.listeners[e]=[]),this.listeners[e].push(t)},t.off=function(e,t){if(!this.listeners[e])return!1;var i=this.listeners[e].indexOf(t);return this.listeners[e]=this.listeners[e].slice(0),this.listeners[e].splice(i,1),i>-1},t.trigger=function(e){var t=this.listeners[e];if(t)if(2===arguments.length)for(var i=t.length,n=0;n<i;++n)t[n].call(this,arguments[1]);else for(var r=Array.prototype.slice.call(arguments,1),a=t.length,s=0;s<a;++s)t[s].apply(this,r)},t.dispose=function(){this.listeners={}},t.pipe=function(e){this.on("data",(function(t){e.push(t)}))},e}(),n=null,r=function(){function e(e){var t,i,r;n||(n=function(){var e,t,i,n,r,a,s,o,u=[[[],[],[],[],[]],[[],[],[],[],[]]],d=u[0],l=u[1],h=d[4],c=l[4],f=[],m=[];for(e=0;e<256;e++)m[(f[e]=e<<1^283*(e>>7))^e]=e;for(t=i=0;!h[t];t^=n||1,i=m[i]||1)for(a=(a=i^i<<1^i<<2^i<<3^i<<4)>>8^255&a^99,h[t]=a,c[a]=t,o=16843009*f[r=f[n=f[t]]]^65537*r^257*n^16843008*t,s=257*f[a]^16843008*a,e=0;e<4;e++)d[e][t]=s=s<<24^s>>>8,l[e][a]=o=o<<24^o>>>8;for(e=0;e<5;e++)d[e]=d[e].slice(0),l[e]=l[e].slice(0);return u}()),this._tables=[[n[0][0].slice(),n[0][1].slice(),n[0][2].slice(),n[0][3].slice(),n[0][4].slice()],[n[1][0].slice(),n[1][1].slice(),n[1][2].slice(),n[1][3].slice(),n[1][4].slice()]];var a=this._tables[0][4],s=this._tables[1],o=e.length,u=1;if(4!==o&&6!==o&&8!==o)throw new Error("Invalid aes key size");var d=e.slice(0),l=[];for(this._key=[d,l],t=o;t<4*o+28;t++)r=d[t-1],(t%o==0||8===o&&t%o==4)&&(r=a[r>>>24]<<24^a[r>>16&255]<<16^a[r>>8&255]<<8^a[255&r],t%o==0&&(r=r<<8^r>>>24^u<<24,u=u<<1^283*(u>>7))),d[t]=d[t-o]^r;for(i=0;t;i++,t--)r=d[3&i?t:t-4],l[i]=t<=4||i<4?r:s[0][a[r>>>24]]^s[1][a[r>>16&255]]^s[2][a[r>>8&255]]^s[3][a[255&r]]}return e.prototype.decrypt=function(e,t,i,n,r,a){var s,o,u,d,l=this._key[1],h=e^l[0],c=n^l[1],f=i^l[2],m=t^l[3],p=l.length/4-2,g=4,y=this._tables[1],v=y[0],_=y[1],b=y[2],T=y[3],S=y[4];for(d=0;d<p;d++)s=v[h>>>24]^_[c>>16&255]^b[f>>8&255]^T[255&m]^l[g],o=v[c>>>24]^_[f>>16&255]^b[m>>8&255]^T[255&h]^l[g+1],u=v[f>>>24]^_[m>>16&255]^b[h>>8&255]^T[255&c]^l[g+2],m=v[m>>>24]^_[h>>16&255]^b[c>>8&255]^T[255&f]^l[g+3],g+=4,h=s,c=o,f=u;for(d=0;d<4;d++)r[(3&-d)+a]=S[h>>>24]<<24^S[c>>16&255]<<16^S[f>>8&255]<<8^S[255&m]^l[g++],s=h,h=c,c=f,f=m,m=s},e}(),a=function(e){function i(){var i;return(i=e.call(this,t)||this).jobs=[],i.delay=1,i.timeout_=null,i}var n,r;r=e,(n=i).prototype=Object.create(r.prototype),n.prototype.constructor=n,n.__proto__=r;var a=i.prototype;return a.processJob_=function(){this.jobs.shift()(),this.jobs.length?this.timeout_=setTimeout(this.processJob_.bind(this),this.delay):this.timeout_=null},a.push=function(e){this.jobs.push(e),this.timeout_||(this.timeout_=setTimeout(this.processJob_.bind(this),this.delay))},i}(t),s=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},o=function(){function t(e,i,n,r){var o=t.STEP,u=new Int32Array(e.buffer),d=new Uint8Array(e.byteLength),l=0;for(this.asyncStream_=new a,this.asyncStream_.push(this.decryptChunk_(u.subarray(l,l+o),i,n,d)),l=o;l<u.length;l+=o)n=new Uint32Array([s(u[l-4]),s(u[l-3]),s(u[l-2]),s(u[l-1])]),this.asyncStream_.push(this.decryptChunk_(u.subarray(l,l+o),i,n,d));this.asyncStream_.push((function(){
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/*! @name pkcs7 @version 1.0.4 @license Apache-2.0 */
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var e;
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/*! @name aes-decrypter @version 3.1.2 @license Apache-2.0 */r(null,(e=d).subarray(0,e.byteLength-e[e.byteLength-1]))}))}return t.prototype.decryptChunk_=function(e,t,i,n){return function(){var a=function(e,t,i){var n,a,o,u,d,l,h,c,f,m=new Int32Array(e.buffer,e.byteOffset,e.byteLength>>2),p=new r(Array.prototype.slice.call(t)),g=new Uint8Array(e.byteLength),y=new Int32Array(g.buffer);for(n=i[0],a=i[1],o=i[2],u=i[3],f=0;f<m.length;f+=4)d=s(m[f]),l=s(m[f+1]),h=s(m[f+2]),c=s(m[f+3]),p.decrypt(d,l,h,c,y,f),y[f]=s(y[f]^n),y[f+1]=s(y[f+1]^a),y[f+2]=s(y[f+2]^o),y[f+3]=s(y[f+3]^u),n=d,a=l,o=h,u=c;return g}(e,t,i);n.set(a,e.byteOffset)}},i=t,o=[{key:"STEP",get:function(){return 32e3}}],(n=null)&&e(i.prototype,n),o&&e(i,o),t;var i,n,o}();new function(e){e.onmessage=function(t){var i=t.data,n=new Uint8Array(i.encrypted.bytes,i.encrypted.byteOffset,i.encrypted.byteLength),r=new Uint32Array(i.key.bytes,i.key.byteOffset,i.key.byteLength/4),a=new Uint32Array(i.iv.bytes,i.iv.byteOffset,i.iv.byteLength/4);new o(n,r,a,(function(t,n){var r,a;e.postMessage((r={source:i.source,decrypted:n},a={},Object.keys(r).forEach((function(e){var t=r[e];ArrayBuffer.isView(t)?a[e]={bytes:t.buffer,byteOffset:t.byteOffset,byteLength:t.byteLength}:a[e]=t})),a),[n.buffer])}))}}(i)}()})),qn=function(e){var t=e.default?"main":"alternative";return e.characteristics&&e.characteristics.indexOf("public.accessibility.describes-video")>=0&&(t="main-desc"),t},Wn=function(e,t){e.abort(),e.pause(),t&&t.activePlaylistLoader&&(t.activePlaylistLoader.pause(),t.activePlaylistLoader=null)},Vn=function(e,t){t.activePlaylistLoader=e,e.load()},Hn={AUDIO:function(e,t){return function(){var i=t.segmentLoaders[e],n=t.mediaTypes[e],r=t.blacklistCurrentPlaylist;Wn(i,n);var a=n.activeTrack(),s=n.activeGroup(),o=(s.filter((function(e){return e.default}))[0]||s[0]).id,d=n.tracks[o];if(a!==d){for(var l in u.default.log.warn("Problem encountered loading the alternate audio track.Switching back to default."),n.tracks)n.tracks[l].enabled=n.tracks[l]===d;n.onTrackChanged()}else r({message:"Problem encountered loading the default audio track."})}},SUBTITLES:function(e,t){return function(){var i=t.segmentLoaders[e],n=t.mediaTypes[e];u.default.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track."),Wn(i,n);var r=n.activeTrack();r&&(r.mode="disabled"),n.onTrackChanged()}}},Gn={AUDIO:function(e,t,i){if(t){var n=i.tech,r=i.requestOptions,a=i.segmentLoaders[e];t.on("loadedmetadata",(function(){var e=t.media();a.playlist(e,r),(!n.paused()||e.endList&&"none"!==n.preload())&&a.load()})),t.on("loadedplaylist",(function(){a.playlist(t.media(),r),n.paused()||a.load()})),t.on("error",Hn[e](e,i))}},SUBTITLES:function(e,t,i){var n=i.tech,r=i.requestOptions,a=i.segmentLoaders[e],s=i.mediaTypes[e];t.on("loadedmetadata",(function(){var e=t.media();a.playlist(e,r),a.track(s.activeTrack()),(!n.paused()||e.endList&&"none"!==n.preload())&&a.load()})),t.on("loadedplaylist",(function(){a.playlist(t.media(),r),n.paused()||a.load()})),t.on("error",Hn[e](e,i))}},jn={AUDIO:function(e,t){var i=t.vhs,n=t.sourceType,r=t.segmentLoaders[e],a=t.requestOptions,s=t.master,o=s.mediaGroups,d=s.playlists,l=t.mediaTypes[e],h=l.groups,c=l.tracks,f=t.masterPlaylistLoader;o[e]&&0!==Object.keys(o[e]).length||(o[e]={main:{default:{default:!0}}});var m=function(r){h[r]||(h[r]=[]);var s=d.filter((function(t){return t.attributes[e]===r})),l=function(d){var l=o[e][r][d];!s.filter((function(e){return e.resolvedUri!==l.resolvedUri})).length&&s.length&&delete l.resolvedUri;var m;if(m="vhs-json"===n&&l.playlists?new x(l.playlists[0],i,a):l.resolvedUri?new x(l.resolvedUri,i,a):l.playlists&&"dash"===n?new Ct(l.playlists[0],i,a,f):null,l=u.default.mergeOptions({id:d,playlistLoader:m},l),Gn[e](e,l.playlistLoader,t),h[r].push(l),void 0===c[d]){var p=new u.default.AudioTrack({id:d,kind:qn(l),enabled:!1,language:l.language,default:l.default,label:d});c[d]=p}};for(var m in o[e][r])l(m)};for(var p in o[e])m(p);r.on("error",Hn[e](e,t))},SUBTITLES:function(e,t){var i=t.tech,n=t.vhs,r=t.sourceType,a=t.segmentLoaders[e],s=t.re
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