s202226701001/tailor-app/node_modules/fmode-ng/esm2022/lib/aigc/voice/stream.player.mjs

    /**
     * @copyright © 未来飞马 © 未来全栈 www.fmode.cn 
     * 版权所有 © 未来飞马 © 江西脑控科技有限公司 Copyright © Fmode Technology Co., Ltd.
     * 保留所有权利 All Rights Reserved.
     * /home/ryan/workspace/nova/nova-admin/dist/fmode-ng/esm2022/lib/aigc/voice/stream.player.mjs
     */
    import{PushAudioOutputStreamCallback}from"microsoft-cognitiveservices-speech-sdk/distrib/lib/src/sdk/Audio/PushAudioOutputStreamCallback";import{Subject}from"rxjs";import{bufferWhen,filter,takeUntil}from"rxjs/operators";export class FmPushAudioOutputStreamCallback extends PushAudioOutputStreamCallback{constructor(){super(),this.audioDataSubject=new Subject,this.playedSubject=new Subject,this.isPlaying=!1,this.isClosed=!1,this.audioBufferQueue=[],this.maxBufferSize=10,this.writeCount=0,this.audioContext=new(window.AudioContext||window.webkitAudioContext),this.audioDataSubject.pipe(bufferWhen((()=>this.playedSubject)),takeUntil(this.audioDataSubject.pipe(filter((()=>this.isClosed))))).subscribe((t=>{this.playAudio(t)}))}async write(t){this.writeCount++,10==this.writeCount&&this.playedSubject.next(!0),this.audioDataSubject.next(t)}async playAudio(t){this.isPlaying=!0;const e=this.mergeArrayBuffers(t);let i;try{i=await this.audioContext.decodeAudioData(e)}catch(t){}if(i){const t=this.audioContext.createBufferSource();t.buffer=i,t.connect(this.audioContext.destination),t.start(),await new Promise((e=>{t.onended=e})),this.playedSubject.next(!0)}this.isPlaying=!1}mergeArrayBuffers(t){const e=t.reduce(((t,e)=>t+e.byteLength),0),i=new Uint8Array(e);let s=0;for(const e of t){const t=new Uint8Array(e);i.set(t,s),s+=t.length}return i.buffer}async stop(){this.isClosed=!0,this.audioDataSubject&&this.audioDataSubject.unsubscribe(),this.playedSubject&&this.playedSubject.unsubscribe(),this.audioContext&&this.audioContext.close()}async close(){console.log("close 数据加载完成"),this.isClosed=!0}}
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