https://kexp.org/static/vendor/jwplayer/vttparser.js

1/*!
2   JW Player version 8.36.2
3   Copyright (c) 2024, JW Player, All Rights Reserved
4   This source code and its use and distribution is subject to the terms
5   and conditions of the applicable license agreement.
6   https://www.jwplayer.com/tos/
7   This product includes portions of other software. For the full text of licenses, see
8   https://ssl.p.jwpcdn.com/player/v/8.36.2/notice.txt
9*/
10"use strict";(self.webpackChunkjwplayer=self.webpackChunkjwplayer||[]).push([[347],{2776:(e,t,s)=>{s.r(t),s.d(t,{default:()=>k});var n=s(1776),r=s(7477);const i=/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/,a=/^-?\d+$/,o=/\r\n|\n/,c=/^NOTE($|[ \t])/,l=/^[^\sa-zA-Z-]+/,u=/:/,f=/\s/,h=/^\s+/,g=/-->/,d=/^WEBVTT([ \t].*)?$/,p=function(){return{decode(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}},b=function(e,t,s){this.window=e,this.state="INITIAL",this.buffer="",this.decoder=t||new p,this.syncCueParsing=s,this.regionList=[],this.maxCueBatch=1e3},E=function(){this.values=Object.create(null)};E.prototype={set(e,t){this.get(e)||""===t||(this.values[e]=t)},get(e,t,s){return s?this.has(e)?this.values[e]:t[s]:this.has(e)?this.values[e]:t},has(e){return e in this.values},alt(e,t,s){for(let n=0;n<s.length;++n)if(t===s[n]){this.set(e,t);break}},integer(e,t){a.test(t)&&this.set(e,parseInt(t,10))},percent(e,t){return(t=parseFloat(t))>=0&&t<=100&&(this.set(e,t),!0)}};const T=new r.Z(0,0,0),m="middle"===T.align?"middle":"center",w=function(e,t,s){const n=e,r=()=>{const t=(e=>{const t=(e,t,s,n)=>3600*(0|e)+60*(0|t)+(0|s)+(0|n)/1e3,s=e.match(i);return s?s[3]?t(s[1],s[2],s[3].replace(":",""),s[4]):s[1]>59?t(s[1],s[2],0,s[4]):t(0,s[1],s[2],s[4]):null})(e);if(null===t)throw new Error(`Malformed timestamp: ${n}`);return e=e.replace(l,""),t},a=()=>{e=e.replace(h,"")};if(a(),t.startTime=r(),a(),"--\x3e"!==e.substr(0,3))throw new Error(`Malformed time stamp (time stamps must be separated by '--\x3e'): ${n}`);e=e.substr(3),a(),t.endTime=r(),a(),function(e,t){const n=new E;((e,t,s,n)=>{const r=n?e.split(n):[e];for(let e=0;e<=r.length;e+=1){if("string"!=typeof r[e])continue;const n=r[e].split(s);2===n.length&&t(n[0],n[1])}})(e,(function(e,t){switch(e){case"region":for(let r=s.length-1;r>=0;r--)if(s[r].id===t){n.set(e,s[r].region);break}break;case"vertical":n.alt(e,t,["rl","lr"]);break;case"line":{const s=t.split(","),r=s[0];n.integer(e,r),n.percent(e,r)&&n.set("snapToLines",!1),n.alt(e,r,["auto"]),2===s.length&&n.alt("lineAlign",s[1],["start",m,"end"]);break}case"position":{const s=t.split(",");n.percent(e,s[0]),2===s.length&&n.alt("positionAlign",s[1],["start",m,"end","line-left","line-right","auto"]);break}case"size":n.percent(e,t);break;case"align":n.alt(e,t,["start",m,"end","left","right"])}}),u,f),t.region=n.get("region",null),t.vertical=n.get("vertical","");let r=n.get("line","auto");"auto"===r&&-1===T.line&&(r=-1),t.line=r,t.lineAlign=n.get("lineAlign","start"),t.snapToLines=n.get("snapToLines",!0),t.size=n.get("size",100),t.align=n.get("align",m);let i=n.get("position","auto");"auto"===i&&50===T.position&&(i="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=i}(e,t)};b.prototype={parse(e,t){const s=this;e&&(s.buffer+=s.decoder.decode(e,{stream:!0}));const i=function(){const e=s.buffer;let t=0;for(;t<e.length&&"\r"!==e[t]&&"\n"!==e[t];)++t;const n=e.substr(0,t);return"\r"===e[t]&&++t,"\n"===e[t]&&++t,s.buffer=e.substr(t),n},a=function(){"CUETEXT"===s.state&&s.cue&&s.oncue&&s.oncue(s.cue),s.cue=null,s.state="INITIAL"===s.state?"BADWEBVTT":"BADCUE"};let l;try{if("INITIAL"===s.state){if(!o.test(s.buffer))return this;l=i();const e=l.match(d);if(!e||!e[0])throw new Error("Malformed WebVTT signature.");s.state="HEADER"}}catch(e){return a(),this}let f=!1,h=0;const p=function(){try{for(;s.buffer&&(h<=s.maxCueBatch||s.syncCueParsing);){if(!o.test(s.buffer))return s.flush(),this;switch(f?f=!1:l=i(),s.state){case"HEADER":u.test(l)||l||(s.state="ID");break;case"NOTE":l||(s.state="ID");break;case"ID":if(c.test(l)){s.state="NOTE";break}if(!l)break;if(s.cue=new r.Z(0,0,""),s.state="CUE",!g.test(l)){s.cue.id=l;break}case"CUE":try{w(l,s.cue,s.regionList)}catch(e){s.cue=null,s.state="BADCUE";break}s.state="CUETEXT";break;case"CUETEXT":{const e=g.test(l);

10if((!l||e)&&(f=!0)){s.oncue&&(h+=1,s.oncue(s.cue)),s.cue=null,s.state="ID";break}s.cue.text&&(s.cue.text+="\n"),s.cue.text+=l;break}case"BADCUE":l||(s.state="ID")}}if(h=0,s.buffer)(0,n.U)(p);else if(!t)return s.flush(),this}catch(e){return a(),this}};p()},flush(){const e=this;if(e.buffer+=e.decoder.decode(),(e.cue||"HEADER"===e.state)&&(e.buffer+="\n\n",e.parse(void 0,!0)),"INITIAL"===e.state)throw new Error("Malformed WebVTT signature.");return e.onflush&&e.onflush(),this}};const k=b}}]);