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t.preRun&&(t.preRun=[t.preRun]);t.preRun.length;)H();X(B),0<L||(t.setStatus?(t.setStatus("Running..."),setTimeout((function(){setTimeout((function(){t.setStatus("")}),1),e()}),1)):e())}}if(t.dynCall_jiji=function(){return(t.dynCall_jiji=t.asm.Z).apply(null,arguments)},t.dynCall_viijii=function(){return(t.dynCall_viijii=t.asm._).apply(null,arguments)},t.dynCall_iiiiij=function(){return(t.dynCall_iiiiij=t.asm.$).apply(null,arguments)},t.dynCall_iiiiijj=function(){return(t.dynCall_iiiiijj=t.asm.aa).apply(null,arguments)},t.dynCall_iiiiiijj=function(){return(t.dynCall_iiiiiijj=t.asm.ba).apply(null,arguments)},z=function e(){Tt||kt(),Tt||(z=e)},t.run=kt,t.preInit)for("function"==typeof t.preInit&&(t.preInit=[t.preInit]);0<t.preInit.length;)t.preInit.pop()();return kt(),e.ready});e.exports=r,"function"==typeof AudioWorkletGlobalScope&&(globalThis.createAudioEngine=r)}(e);var t=e.exports;const n=30,r=3,a=2;function i(e){const t=new Int16Array(e.length);for(let n=0;n<e.length;++n)t[n]=Math.round(Math.max(-32768,Math.min(32767,32768*e[n])));return t}class o extends AudioWorkletProcessor{constructor(){super(),this.enabled=!1,this.frameCount=0,this.bufferTime=n,this.dumpBundleNums=r,this.threshold=a,this.isDumping=!1,this.dumpBundleNumCount=0,this.dumpBundleFrameCount=0,this.port.onmessage=this.handleMessageEvent.bind(this)}process(e,t){const[[n]]=e;if(!n)return!0;const[[r]]=t;if(this.enabled&&this.buffer&&this.kernel)try{const e=this.buffer;e.getChannelData(0).set(n);const t=this.kernel.process(e,e);r.set(e.getChannelData(0)),t!==this.lastStatus&&(this.onStatusChange(t),this.lastStatus=t),this.isDumping&&(this.dumpBundleFrameCount+=r.length,this.dumpBundleFrameCount>=this.bufferTime*sampleRate&&(this.dumpBundleFrameCount=0,this.dump())),this.frameCount+=r.length;const a=sampleRate/2;for(;this.frameCount>=a;)this.uploadStats(),this.frameCount-=a}catch(e){r.set(n),this.log("error",\`[ai-denoiser-worklet] detect error from wasm: \${e}\`)}else r.set(n);return!0}log(e,t){this.port.postMessage({event:"log",level:e,message:t})}getValue(){var e;const t=this.enabled?null===(e=this.kernel)||void 0===e?void 0:e.value:1;this.port.postMessage({event:"getValue",value:t})}getLevel(){var e;const t=this.enabled?null===(e=this.kernel)||void 0===e?void 0:e.level:1;this.port.postMessage({event:"getLevel",level:t})}enable(){this.enabled||(this.enabled=!0,this.log("debug","[ai-denoiser-worklet] denoiser was enabled")),this.port.postMessage({event:"enable"})}disable(){this.enabled&&(this.enabled=!1,this.isDumping&&(this.dump(),this.endDump()),this.reset(),this.log("debug","[ai-denoiser-worklet] denoiser was disabled")),this.port.postMessage({event:"disable"})}startDump(){this.isDumping?this.log("debug","[ai-denoiser-worklet] dump has already started"):(this.isDumping=!0,this.dumpBundleNumCount=0,this.dumpBundleFrameCount=0,this.dump(),this.log("debug","[ai-denoiser-worklet] dump started"))}dump(){if(this.kernel){const e=this.kernel.dump(this.bufferTime),t=new Float32Array(e[0].numberOfFrames),n=new Float32Array(e[1].numberOfFrames),r=new Float32Array(e[2].numberOfFrames);t.set(e[0].getChannelData(0)),n.set(e[1].getChannelData(0)),r.set(e[2].getChannelData(0)),e[0].delete(),e[1].delete(),e[2].delete();const a=i(t),o=i(n),u=i(r);this.log("debug",\`[ai-denoiser-worklet] dump: input \${a.length*Int16Array.BYTES_PER_ELEMENT} bytes, nsOut \${o.length*Int16Array.BYTES_PER_ELEMENT} bytes, agcOut \${u.length*Int16Array.BYTES_PER_ELEMENT} bytes\`),this.port.postMessage({event:"dump",dump:{input:a,nsOut:o,agcOut:u},lts:Date.now()},[a.buffer,o.buffer,u.buffer]),this.dumpBundleNumCount+=1,this.dumpBundleNumCount>=this.dumpBundleNums&&this.endDump()}}endDump(){this.isDumping?(this.isDumping=!1,this.log("debug","[ai-denoiser-worklet] dump ended")):this.log("debug","[ai-denoiser-worklet] dump has already ended"),this.port.postMessage({evnet:"dumpend"})}setParameters(e){this.kernel&&(this.kernel.setNsParams(e),this.log("debug",\`[ai-denoiser-worklet] set ns params \${JSON.stringify(e)}\`)),this.port.postMessage({event:"setParameters"})}setAgcParameters(e){this.kernel&&(this.kernel.setAgcParams(e),this.log("debug",\`[ai-denoiser-worklet] set agc params \${JSON.stringify(e)}\`)),this.port.postMessage({event:"setAgcParameters"})}initialize(e,n,r,a,i,o){t({wasmBinary:e}).then((e=>{this.module=e,this.buffer=new e.AudioBuffer(1,128),this.kernel=new e.AudioDenoiser(sampleRate,n,r,a),this.lastStatus=e.AudioDenoiserStatus.UNCERTAIN,this.bufferTime=a,this.dumpBundleNums=i,this.threshold=o,this.log("debug",\`[ai-denoiser-worklet] kernel version: \${this.kernel.version}-\${this.kernel.buildInfo}, options: {sampleRate: \${sampleRate}, enabled: \${n}, agc: \${r}, bufferTime: \${a}, dumpBundleNums: \${i}, threshold: \${o}}\`),this.port.postMessage({event:"initialize"})})).catch((e=>{this.port.postMessage({event:"initialize",error:e})}))}reset(){var e,t;null===(e=this.kernel)||void 0===e||e.reset(),this.lastStatus=null===(t=this.module)||void 0===t?void 0:t.AudioDenoiserStatus.UNCERTAIN}destroy(){var e,t;this.module=void 0,null===(e=this.buffer)||void 0===e||e.delete(),this.buffer=void 0,null===(t=this.kernel)||void 0===t||t.delete(),this.kernel=void 0,this.lastStatus=void 0,this.log("debug","[ai-denoiser-worklet] denoiser was destroyed"),this.port.postMessage({event:"destroy"})}uploadStats(){if(!this.kernel)return;const e=this.kernel.getStats();this.port.postMessage({event:"stats",stats:{ebn:e.energy_bf_ns,ean:e.energy_af_ns,ns:e.ns_state,vl:e.vad_loss}}),this.threshold>0&&e.elapsed_time>this.threshold&&this.port.postMessage({event:"overload",elpasedTime:e.elapsed_time})}onStatusChange(e){var t;let n="UNKNOWN",r="debug";const a=null===(t=this.module)||void 0===t?void 0:t.AudioDenoiserStatus;a&&(e===a.UNCERTAIN?n="UNCERTAIN":e===a.NORMAL?n="NORMAL":e===a.DANGLY?n="DANGLY":e===a.STRONGBAD?(n="STRONGBAD",r="warning"):e===a.NOINPUT?(n="NOINPUT",r="warning"):e===a.NOOUTPUT&&(n="NOOUTPUT",r="warning")),this.log(r,\`[ai-denoiser-worklet] kernel status changed to \${n}\`)}handleMessageEvent(e){const t=e.data,n=t.event;"getValue"===n?this.getValue():"getLevel"===n?this.getLevel():"enable"===n?this.enable():"disable"===n?this.disable():"dump"===n?this.startDump():"setParameters"===n?this.setParameters(t.parameters):"setAgcParameters"===n?this.setAgcParameters(t.agcParameters):"initialize"===n?this.initialize(t.wasmSource,t.enabled,t.agc,t.bufferTime,t.dumpBundleNums,t.threshold):"destroy"===n&&this.destroy()}}registerProcessor("ctxz-denoiser-worklet-processor",o)}();
`],{type:"text/javascript"}),m=URL.createObjectURL(w);await e.audioWorklet.addModule(m),setTimeout(()=>URL.revokeObjectURL(m),0),l.registeredContexts.add(e),e.addEventListener("statechange",function b(){e.state==="closed"&&(l.registeredContexts.delete(e),e.removeEventListener("statechange",b))})}const p=new l(e,y);return await p.initialize(n,t,r,a,o,s),p}get node(){return this.workletNode}async getValue(){return(await this.requestResponse({event:"getValue"})).value}async getLevel(){return(await this.requestResponse({event:"getLevel"})).level}enable(){return this.requestResponse({event:"enable"})}disable(){return this.requestResponse({event:"disable"})}dump(){this.workletNode.port.postMessage({event:"dump"})}setParameters(e){return this.requestResponse({event:"setParameters",parameters:e})}setAgcParameters(e){return this.requestResponse({event:"setAgcParameters",agcParameters:e})}destroy(){return this.requestResponse({event:"destroy"})}initialize(e,n,t,r,a,o){return this.requestResponse({event:"initialize",wasmSource:e,enabled:n,agc:t,bufferTime:r,dumpBundleNums:a,threshold:o})}handleMessageEvent(e){const n=e.data,t=n.event;t==="stats"?this.dispatchEvent(new CustomEvent("stats",{detail:{stats:n.stats}})):t==="log"?console.log("\u6253\u5370\u65E5\u5FD7",n):t==="overload"?this.dispatchEvent(new CustomEvent("overload",{detail:{elapsedTime:n.elapsedTime}})):t==="dump"?this.dispatchEvent(new CustomEvent("dump",{detail:{dump:n.dump,lts:n.lts}})):t==="dumpend"?this.dispatchEvent(new CustomEvent("dumpend")):console.log(e)}requestResponse(e,n=[]){return new Promise((t,r)=>{const a=this.workletNode.port;a.addEventListener("message",function o(s){s.data.event===e.event&&(a.removeEventListener("message",o),s.data.error?r(s.data.error):t(s.data))}),a.postMessage(e,n),a.start()})}}async function g(d){const e=await(async()=>WebAssembly.validate(new Uint8Array([0,97,115,109,1,0,0,0,1,5,1,96,0,1,123,3,2,1,0,10,10,1,8,0,65,0,253,15,253,98,11])))(),n=`${d}/${e?"denoiser-wasm-simd.wasm":"denoiser-wasm.wasm"}`,t=await fetch(n);if(!t.ok)throw new Error(`\u52A0\u8F7DWASM\u811A\u672C\u5931\u8D25,\u54CD\u5E94\u72B6\u6001:${t.status}`);return t}class v{constructor(e){this.params=e,this.wasmSource=g(e.assetsPath).then(n=>n.arrayBuffer()),this._events={}}async init(){const{context:e,ains:n,agc:t,bufferTime:r,dumpBundleNums:a,threshold:o}=this.params;if(!this.checkCompatibility())throw new Error("\u5F53\u524D\u6D4F\u89C8\u5668\u65E0\u6CD5\u5D4C\u5165\u964D\u566A\u529F\u80FD");return this.ctxzAudioWorkletNode=await this.wasmSource.then(s=>l.create(e,s,n,t,r,a,o)).then(s=>this.setup(s)),this.ctxzAudioWorkletNode}connect(e,n){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");const t=this.ctxzAudioWorkletNode.node;return e.connect(t),t}disconnect(){const e=this.ctxzAudioWorkletNode.node;this.lastNode&&(this.lastNode.disconnect(e),this.lastNode=null)}get node(){return this.ctxzAudioWorkletNode.node}getListeners(e){return this._events[e]?this._events[e].map(n=>n.listener):[]}on(e,n){this._events[e]||(this._events[e]=[]);const t=this._events[e];this._indexOfListener(t,n)===-1&&t.push({listener:n,once:!1})}once(e,n){this._events[e]||(this._events[e]=[]);const t=this._events[e];this._indexOfListener(t,n)===-1&&t.push({listener:n,once:!0})}off(e,n){if(!this._events[e])return;const t=this._events[e],r=this._indexOfListener(t,n);r!==-1&&t.splice(r,1),this._events[e].length===0&&delete this._events[e]}removeAllListeners(e){e?delete this._events[e]:this._events={}}emit(e){this._events[e]||(this._events[e]=[]);const n=this._events[e].map(o=>o);for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];for(let o=0;o<n.length;o+=1){const s=n[o];s.once&&this.off(e,s.listener),s.listener.apply(this,r||[])}}_indexOfListener(e,n){let t=e.length;for(;t--;)if(e[t].listener===n)return t;return-1}emitAsPromise(e){for(var n=arguments.length,t=new Array(n>1?n-1:0),r=1;r<n;r++)t[r-1]=arguments[r];return this.getListeners(e).length===0?i().reject(new Error("No promise event handler.")):new(i())((a,o)=>{this.emit(e,...t,a,o)})}emitAsPromiseNoResponse(e){for(var n=arguments.length,t=new Array(n>1?n-1:0),r=1;r<n;r++)t[r-1]=arguments[r];return this.getListeners(e).length===0?null:this.emit(e,...t)}handleDumpEvent(e){const n=e.detail,t=n.dump,r=n.lts,a=t.input;a&&a.length&&this.handleDump(t.input,`input_16000hz_1ch_${r}.pcm`);const o=t.nsOut;o&&o.length&&this.handleDump(t.nsOut,`ns_out_16000hz_1ch_${r}.pcm`);const s=t.agcOut;s&&s.length&&this.handleDump(t.agcOut,`agc_out_16000hz_1ch_${r}.pcm`)}handleDump(e,n){const t=new Blob([e],{type:"audio/pcm"});this.emitAsPromiseNoResponse("dump",t,n)}setup(e){return e.addEventListener("dump",this.handleDumpEvent.bind(this)),e.addEventListener("dumpend",()=>this.emitAsPromiseNoResponse("dumpend")),e.addEventListener("overload",this.handleOverloadEvent.bind(this)),e}handleOverloadEvent(e){const n=e.detail.elapsedTime;this.emitAsPromiseNoResponse("overload",n)}setLevel(e){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");if(e==h.SOFT)return this.ctxzAudioWorkletNode.setParameters({lowerBound:.08,lowerMask:.05,statisticalBound:.05,finalLowerMask:.03});if(e==h.AGGRESSIVE)return this.ctxzAudioWorkletNode.setParameters({lowerBound:.01,lowerMask:.01,statisticalBound:0,finalLowerMask:.008});throw new Error("\u672A\u77E5\u7B49\u7EA7")}setMode(e){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");if(e==f.STATIONARY_NS)return this.ctxzAudioWorkletNode.setParameters({nsRoute:0});if(e==f.NSNG)return this.ctxzAudioWorkletNode.setParameters({nsRoute:2});throw new Error("\u672A\u77E5\u6A21\u5F0F")}enable(){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");return this.ctxzAudioWorkletNode.enable()}disable(){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");return this.ctxzAudioWorkletNode.disable()}dump(){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");return this.ctxzAudioWorkletNode.dump()}destroy(){if(!this.ctxzAudioWorkletNode)throw new Error("\u97F3\u9891\u8282\u70B9\u672A\u521D\u59CB\u5316");return this.ctxzAudioWorkletNode.destroy()}checkCompatibility(){try{return c()&&!!globalThis.WebAssembly&&!!globalThis.WebAssembly.compile}catch{return!1}}}const f={NSNG:"NSNG",STATIONARY_NS:"STATIONARY_NS"},h={SOFT:"SOFT",AGGRESSIVE:"AGGRESSIVE"};u.AIDenoiser=v,u.AIDenoiserProcessorLevel=h,u.AIDenoiserProcessorMode=f});