https://vrew.ai/try/assets/encoder.worker-BfY5cIgC.js

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6async init(){if(this._encoder.state==="configured")throw et(Y.LOGIC_ERR,"Encoder already configured");const{fps:e,width:n,height:r,bitrate:i,hwAccel:s}=this._meta;return this._config=await Gr(n,r,e,i,s),this._encoder.configure(this._config),this._logger.info(null,"Encoder configured with parameter",this._config),this}encode(e){try{if(this._encoder.state==="closed"){this._logger.warn(null,"encode() called on closed encoder",`frame written: ${this._cnt}`);return}const n=this._shouldBeKeyFrame();this._encoder.encode(e,$r(n,this._config,this._meta.quantizer)),this._cnt+=1}finally{e.close()}}async flush(){if(this._encoder.state==="closed"){this._logger.warn(null,"flush() called on closed encoder");return}return this._encoder.flush()}async finalize(){try{if(this._encoder.state==="closed"){this._logger.warn(null,"finalize() called on closed encoder");return}return this._logger.info(null,"Finalizing encoder"),await this._encoder.flush(),await this._cleanUp()}catch(e){throw et(Y.VIDEO_ENCODE_ERR,e)}}async cancel(){if(this._logger.info(null,"Cancelling encoder"),this._encoder.state==="closed"){this._logger.warn(null,"cancel() called on closed encoder");return}await this._cleanUp()}async destroy(){await this._cleanUp()}_shouldBeKeyFrame(){return this._cnt%this._keyFrameInterval===0}_output(e,n,r){const i=M.fromUS(n.timestamp).as.ms("floor");if(e.state==="closed"){this._logger.warn(i,"Encoder output called after encoder closed");return}const s=new Uint8Array(n.byteLength);n.copyTo(s);const c=Pi(s,[s.buffer]);this._onEncode(c,i,n.type==="key",r)}_reinitEncoder(){this._logger.warn(null,"Reinitializing encoder"),this._subscription.unsubscribe(),this._encoder=this._createEncoder(),this._encoder.configure(this._config),this._cnt=0,this._logger.info(null,"Encoder reconfigured with parameter",this._config),this._subscription=this._getEncoderFlushSubscription()}_error(e,n){const r=Ze(n);switch(n.name){case"QuotaExceededError":if(e!==this._encoder){this._logger.warn(null,"QuotaExceededError, Encoder already reinitialized",r);return}this._logger.warn(null,"QuotaExceededError, Reinitalizing",r),this._reinitEncoder();break;case"OperationError":if(this._config?.hardwareAcceleration==="prefer-hardware"){this._operationErrorCnt+=1,this._operationErrorCnt>=3?(this._logger.warn(null,"OperationError threshold reached, Falling back to software",r),this._config.hardwareAcceleration="prefer-software"):this._logger.warn(null,`OperationError ${this._operationErrorCnt}/3, Retrying with hardware`,r),this._reinitEncoder();return}this._onError(et(Y.ENCODER_OPERATION_ERR,n,r));break;default:this._logger.error(null,"Encoder error",r),this._onError(et(Y.VIDEO_ENCODE_ERR,n,r))}}_createEncoder(){const e=new VideoEncoder({output:(n,r)=>this._output(e,n,r),error:n=>this._error(e,n)});return e.addEventListener("dequeue",()=>{this._encoderObsv$.next(e.encodeQueueSize)}),e}_getEncoderFlushSubscription(){return this._encoderObsv$.asObservable().pipe(sr(e=>this._onQueueSizeChange(e)),Ts(Ss),bs(e=>(this._logger.warn(null,`Encoder stuck, attempt flushing total ${e} frames`,`frame written: ${this._cnt}`,`hardwareAcceleration: ${this._config?.hardwareAcceleration}`),ri(this.flush(),M.fromSec(60).as.ms(),()=>this._onStuck()))),sr(()=>{this._logger.warn(null,`Encoder stuck, attempt flushing complete, frame written: ${this._cnt}`,`encoderQueueSize: ${this._encoder.encodeQueueSize}`)})).subscribe()}async _cleanUp(){this._subscription.unsubscribe(),this._encoder.state==="configured"&&(await this._encoder.flush(),this._encoder.close())}}const Gr=async(t,e,n,r,i)=>{const s=pr(t,e,n),c=i?"prefer-hardware":"prefer-software",d=[...s.map(l=>Fn(l,t,e,n,c)),...s.map(l=>Fn(l,t,e,n,"no-preference"))],u=await Wr(d);return u||Cs(t,e,n,r,i)},$r=(t,e,n)=>{const r={keyFrame:t};return e?.bitrateMode==="quantizer"&&(r.avc={quantizer:t?Math.max(16,n-3):n}),r},Cs=async(t,e,n,r,i)=>{const s=pr(t,e,n),c=i?"prefer-hardware":"prefer-software",d=m=>({codec:m,width:t,height:e,bitrate:r,framerate:n,hardwareAcceleration:c,avc:{format:"avc"}}),u=[...s.map(m=>d(m)),...s.map(m=>({...d(m),hardwareAcceleration:"no-preference"}))],l=await Wr(u);if(!l){const m=`No supported encoder config found, width: ${t}, height: ${e}, fps: ${n}, bitrate: ${r}, hwAccel: ${i}`;throw et(Y.NO_SUPPORTED_CONFIG,m)}return l},Wr=async t=>{for(const e of t)try{if((await VideoEncoder.isConfigSupported(e)).supported)return e}catch{continue}return null};var xs=Object.freeze({__proto__:null,cancel:Is,createEncoderConfig:Gr,createVideoEncodeOptions:$r,destroy:As,encode:Ds,finalize:Rs,flush:Os,init:vs,ready:ws});on(xs);
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