/*! 
 * Copyright 2021-2023 Ethan Halsall
 * https://github.com/eshaz/icecast-metadata-js
 *
 * This file is part of icecast-metadata-player.
 *
 * icecast-metadata-player free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * icecast-metadata-player distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>
 */
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r=0;r<e.length;r++)e[r].correlation>f&&(g=r,f=e[r].correlation);return{correlation:e[g].correlation,sampleOffset:e[g].sampleOffset+b[g]}}))},this.I=(e,g)=>this.j("_sync",[e,g]),this.k=(e,g,f)=>globalThis.Worker?this.j("_syncWorkerConcurrent",[e,g,f]):this.N(e,g,f),this.l=new Map([["_sync",this.m],["_syncWorker",this.I],["_syncWorkerConcurrent",this.N]]),this.o=g,this.t=f,this.i=r},this.v=new this.SynAudioWorker(this.o,this.t,this.i)}async syncWorkerConcurrent(e,g,f){return this.v.k(e,g,f>=1?f:1)}async syncWorker(e,g){return this.v.I(e,g)}async sync(e,g){return this.v.m(e,g)}async syncMultiple(e,g){g=g>=1?g:8;const f=[],r=[];let b=()=>{},t=Promise.resolve(),i=0;for(let g=0;g<e.length;g++)r.push({vertex:{}});for(let s=0;s<e.length;s++){const p=e[s],o=r[s].vertex;o.name=p.name,o.samplesDecoded=p.data.samplesDecoded,o.edges=new Set;for(let h=0;h<e.length;h++){if(s===h)continue;const q=e[h],n=r[h];i++,f.push(this.syncWorker(p.data,q.data).then((e=>{e.correlation>this.p&&o.edges.add({parent:o,vertex:n.vertex,samplesDecoded:q.data.samplesDecoded,...e}),i--,b()}))),i>=g&&(t=new Promise((e=>{b=e})),await t)}}await Promise.all(f);const s=(e,g)=>e.parent&&g.parent&&e.parent.samplesDecoded!==g.parent.samplesDecoded?e.parent.samplesDecoded>g.parent.samplesDecoded:e.correlation!==g.correlation?e.correlation>g.correlation:e.sampleOffset!==g.sampleOffset?e.sampleOffset>g.sampleOffset:e.vertex&&g.vertex&&e.vertex.name.localeCompare(g.vertex.name)<0,p=new Map,o=new Set,h=e=>{for(const g of e.edges.values()){if(p.has(e))return p.get(e);p.set(e,g);const f=h(g.vertex),r=g;if(f){let e,g;s(f,r)?(e=f,g=r):(e=r,g=f),g.cycleWith||(g.cycleWith=new Set,o.add(g)),g.cycleWith.add(e),e.cycleWith&&e.cycleWith.delete(g)}p.delete(e)}};for(const{vertex:e}of r)h(e);for(const e of o)e.cycleWith.size&&e.parent.edges.delete(e);const q=new Set;for(const e of r)q.add(e.vertex);for(const e of r)for(const g of e.vertex.edges)q.delete(g.vertex);const n=(e,g,f,r=0)=>{for(const b of f)e.has(b.vertex)&&s(e.get(b.vertex),b)||e.set(b.vertex,{name:b.vertex.name,correlation:b.correlation,sampleOffset:r+b.sampleOffset}),n(e,g,b.vertex.edges,r+b.sampleOffset)},O=[];for(const e of q){const g=new Map;g.set(e,{name:e.name,sampleOffset:0}),n(g,e,e.edges),O.push([...g.values()].sort(((e,g)=>e.sampleOffset-g.sampleOffset||(e.correlation||0)-(g.correlation||0)||g.name.localeCompare(e.name))))}return O}}const o=p}}]);
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