@zoom/meetingsdk/dist/lib/av/js_audio_worklet.min.js

Zoom MeetingSDK-Web Client

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e.length-t<=s.length-r?(0===t?s.set(e,r):s.set(e.subarray(t),r),e.length-t):(s.set(e.subarray(t,t+s.length-r),r),s.length-r)}increaseCacheSize(){this.isReady&&this.cacheSize++,this.cacheSize>this.cacheMaxSize&&(this.cacheSize=this.cacheMaxSize),this.onCacheSizeChange&&this.isReady&&this.cacheSizeController.shouldSendCacheSize(this.cacheSize)&&this.onCacheSizeChange(this.cacheSize)}copyTo(e){if(0===this.buffList.length)return e.fill(0),void this.increaseCacheSize();let t=this.buffList[0];if(t.buff.length-t.offset>=e.length)this.copy(t.buff,t.offset,e,0),t.offset+=e.length,t.offset===t.buff.length&&(this.buffList.shift(),this.onrollbackbuffer&&this.onrollbackbuffer(t.buff));else{if(this.buffList.length<2)return e.fill(0),void this.increaseCacheSize();let s=this.copy(t.buff,t.offset,e,0);this.buffList.shift(),this.onrollbackbuffer&&this.onrollbackbuffer(t.buff),t=this.buffList[0],s=this.copy(t.buff,t.offset,e,s),t.offset+=s}}requestMoreData(){this.buffList.length<this.cacheSize&&this.onneedmoredata&&this.onneedmoredata()}hasData(){return this.buffList.length>=2}}class c{constructor(e){this.buffList=[],this.frameLength=e,this.onframedata=null}copy(e,t,s,r){if(e[0].length*C<=s.length-r){for(let t=0;t<C;t++)for(let i=0;e[t]&&i<e[t].length;i++)s[r+i*C+t]=e[t][i];return(e[0].length-t)*C}for(let t=0;t<C;t++)for(let i=0;e[t]&&i<e[t].length&&r+i*C+t<s.length;i++)s[r+i*C+t]=e[t][i];return s.length-r}rollbackbuffer(e){this.buffList.push({buff:e,offset:0})}push(e){0===this.buffList.length&&this.buffList.push({buff:new Float32Array(this.frameLength),offset:0});let t=this.buffList[0];if(t.buff.length-t.offset>=e[0].length*C){let s=this.copy(e,0,t.buff,t.offset);t.offset+=s,t.buff.length===t.offset&&(this.buffList.shift(),this.onframedata&&this.onframedata(t.buff))}else{let s=this.copy(e,0,t.buff,t.offset);if(this.buffList.shift(),this.onframedata&&this.onframedata(t.buff),e[0].length*C>s){let t=[];for(let r=0;r<C;r++)t.push(e[r].subarray(Math.floor(s/C)+(s%C>r?1:0)));this.push(t)}}}}class f{constructor(e,t){this.context=t,this.decodePort=null,this.encodePort=null,this.captureSize=e/100*C,this.playBuffer=new l,this.playBuffer.onrollbackbuffer=e=>{this.decodePort},this.playBuffer.onneedmoredata=()=>{this.decodePort&&this.decodePort.postMessage({status:1})},this.playBuffer.onCacheSizeChange=e=>{this.decodePort&&this.decodePort.postMessage({status:3,cacheSize:e})},this.quantum=new Float32Array(128*D),this.captureBuffer=new c(this.captureSize),this.captureBuffer.onframedata=e=>{this.encodePort&&this.encodePort.postMessage({command:2,buffer:e},[e.buffer])}}setDecodePort(e){this.decodePort&&this.decodePort.close(),this.decodePort=e,this.decodePort.onmessage=this.handleDecodeData.bind(this)}setEncodePort(e){this.encodePort&&this.encodePort.close(),this.encodePort=e,this.encodePort.onmessage=this.handleEncodeData.bind(this)}handleDecodeData(e){this.context.isPlaying&&this.playBuffer.push(e.data.data)}handleEncodeData(e){switch(e.data.event){case 0:this.captureBuffer.rollbackbuffer(e.data.buffer)}}requestMoreData(){this.playBuffer.requestMoreData()}close(){this.decodePort&&(this.decodePort=null,this.decodePort.close()),this.encodePort&&(this.encodePort=null,this.encodePort.close())}write(e){this.captureBuffer.push(e)}read(){return this.playBuffer.copyTo(this.quantum),this.requestMoreData(),this.quantum}}let d="undefined"!=typeof SharedArrayBuffer,b=!0;var _=null,p=null,m=null,A=null,g=null;let S=0,E=0,T=0,M=0,P=!1,C=1,D=1,w=null;var y,L,R,N,I=10;let v=1500;var B=new Map;function O(e){if(e){var t=e.length/16,s=0,r=0;for(s=0;s<t;s++){var i=0;for(r=16*s+0;r<16*s+4;r++)i+=e[r]*Math.pow(256,r-16*s);i>>=10;var a=0;for(r=16*s+4;r<16*s+12;r++)a+=e[r]*Math.pow(256,r-16*s-4);B.set(i,a)}}}function k(e){e>>=10;var t=B.get(e);return t?(B.set(e,0),t):0}function U(e){let t=e[1];return 4294967296*e[2]+t}globalThis.update_play_time=function(e,t){if(t){var s=new Uint8Array(t),r=Module.HEAP8.subarray(e+0,e+t);if(s.set(r),P){var i;null===(i=z.videoDecodePort)||void 0===i||i.postMessage({status:1,data:s},[s.buffer])}else{let e=new Uint32Array(s.buffer),t=null,r=null,i=0,a=0;for(let o=0;o<s.length/16;o++){let s=e[4*o];512&s?(t=e.subarray(4*o,4*o+4),a=U(t)):s>>10==M>>10&&(r=e.subarray(4*o,4*o+4),i=U(r))}if(!i&&!a)return;z.port.postMessage({status:o.d,at:i,st:a})}}};let F=null,W=null;globalThis.frame_callback=function(e,t,s,r,i,a,o,n){F===e&&W.length==t*o||(W=Module.HEAPF32.subarray(e/4,e/4+t*o),F=e),w.push([W])};let z=null;class H extends AudioWorkletProcessor{static get parameterDescriptors(){return[{name:"pcm",defaultValue:1}]}constructor(e){var t,s;super(),z=this,monitorLOG("WIB"),this.port.onmessage=this.handleMessage.bind(this),this.isPlaying=!1,this.isCapturing=!1,this.wasmModule=null==e||null===(t=e.processorOptions)||void 0===t?void 0:t.wasmModule,e&&e.processorOptions&&(e.processorOptions.audioEncodeChannelsNum&&(C=e.processorOptions.audioEncodeChannelsNum),e.processorOptions.audioDecodeChannelsNum&&(D=e.processorOptions.audioDecodeChannelsNum)),this.SABConstructor(e&&e.processorOptions?e.processorOptions.sharedBuffer:null),this.noSABConstructor(),globalThis.fsHandler&&globalThis.fsHandler.setPort(this.port),null!=e&&null!==(s=e.processorOptions)&&void 0!==s&&s.userAgent&&_workletPrinter.setUserAgent(e.processorOptions.userAgent),_workletPrinter.setAuidoNodePort(this.port),monitorLOG("WIE")}SABConstructor(e){this.sampleRate_=0,this.g_sharedbuffer=e||null,this.encodeSAB=null,this.decodeSAB=null,this.audioEncodePort=null,this.audioDecodePort=null,this.videoDecodePort=null,this.rtpSAB=null,this.stopPlayAudio=!1,w=new h.a(128*D,sampleRate/100*D)}noSABConstructor(){this.audioProcessBuffer=new f(sampleRate,this),this.isRunning=!0}handleMessage(e){const{status:t,data:s}=e.data;switch(t){case"diableSharedArrayBuffer":d=!1;break;case"disableDecoderinworklet":b=!1;break;case"data":console.info("Dropped audio data before initialized");break;case"stopPlayAudio":this.isPlaying=!1;break;case"stopWorklet":V=!0;break;case"startPlayAudio":this.isPlaying=!0;break;case"StartCaptureAudio":this.isCapturing=!0;break;case"sampleRate":this.sampleRate_=s;break;case"audiowasm":try{initWasm(Module,this.wasmModule)}catch(e){z.port.postMessage({status:"WASM_INIT_FAILED"}),_workletPrinter.error("init WASM failed, error message:"+e.message+e.stack)}break;case"initData":T=s.userid,S=s.meetingid,E=s.meetingnum;break;case"currentSSRC":M=s;break;case"stop_audio_incoming":this.stopPlayAudio=s;break;case"codecDoAVSync":P=!0,g&&m&&g(m,!0);break;case"checkProcess":{monitorLOG("PCC"+Z);let e=parseInt(1e3*X/this.sampleRate_);monitorLOG("ADD:"+e),!Z!==G&&(G=!Z,z.port.postMessage({status:"PROCESS_EXCEPTIONS",data:G})),Z=0,X=0;break}case"interpretation_set_lang":Module.HEAPU32.subarray(L/4,L/4+I)[0]=s.lang,y(m,1,L,1);break;case"interpretation_enable":Module.HEAPU32.subarray(L/4,L/4+I)[0]=s.enable?1:0,y(m,0,L,1);break;case"interpretation_mute_origin":Module.HEAPU32.subarray(L/4,L/4+I)[0]=s.mute?1:0,y(m,2,L,1);break;case"interpretation_set_interpreter":{let e=Module.HEAPU32.subarray(L/4,L/4+I),t=L;s.interpreterList.length>=I&&(t=Module._malloc(4*s.interpreterList.length),e=Module.HEAPU32.subarray(t/4,t/4+s.interpreterList.length));for(let t=0;t<s.interpreterList.length;t++)e[t]=s.interpreterList[t];y(m,3,t,s.interpreterList.length),s.interpreterList.length>=I&&Module._free(t);break}case"setSpeechVolumeLevel":if(!m)return;R(m,s.userid,s.volume);break;case 131:n.a.setAllSpeechVolume(s.volume);break;default:d?this.handleMessageForSAB(e):this.handleMessageForNoSAB(e)}}handleMessageForSAB(e){const{status:t,data:s}=e.data;switch(t){case"encodeAudioPort":this.audioEncodePort&&this.audioEncodePort.close(),this.audioEncodePort=e.ports[0];break;case"decodeAudioPort":this.audioDecodePort&&this.audioDecodePort.close(),this.audioDecodePort=e.ports[0],this.audioDecodePort.onmessage=function(e){};break;case"decodeVideoPort":this.videoDecodePort&&this.videoDecodePort.close(),this.videoDecodePort=e.ports[0];break;case"close":break;case"sharedBuffer":s&&(this.g_sharedbuffer=s),this.g_sharedbuffer&&(this.encodeSAB=new h.b(this.g_sharedbuffer.inputState,this.g_sharedbuffer.inputBuffer,128*C,C),this.decodeSAB=new h.b(this.g_sharedbuffer.outputState,this.g_sharedbuffer.outputBuffer,128*D),this.g_sharedbuffer.echoState&&this.g_sharedbuffer.echoBuffer&&(this.echoSAB=new h.b(this.g_sharedbuffer.echoState,this.g_sharedbuffer.echoBuffer,128*D,D)),this.rtpSAB=new a(this.g_sharedbuffer.rtpBuffer,1200),this.decodeSAB.onCacheSizeChange=e=>{this.audioDecodePort&&this.audioDecodePort.postMessage({status:3,cacheSize:e,isSAB:!0})});break;default:console.warn("unhanle commands in audioworklet",t)}}handleMessageForNoSAB(e){const{status:t}=e.data;switch(t){case"encodeAudioPort":this.audioProcessBuffer.setEncodePort(e.ports[0]);break;case"decodeAudioPort":this.audioProcessBuffer.setDecodePort(e.ports[0]);break;case"close":this.audioProcessBuffer.close(),this.isPlaying=!1,this.isRunning=!1;break;default:console.warn("unhanle commands in audioworklet",t)}}onReceivedRTP(){}process(e,t,s){if(Z++,V)return!1;try{return d?b?this.SABDecodeProcess(e,t,s):this.SABProcess(e,t,s):this.NoSABprocess(e,t,s)}catch(e){return _workletPrinter.error("::process() exception: "+e.message+e.stack),!0}}NoSABprocess(e,t,s){return!!this.isRunning&&(!this.isPlaying||(this.inputDataForNoSAB(e),this.outputDataForNoSAB(t),!0))}inputDataForNoSAB(e){if(!e[0]||!e[0][0])return!0;let t=e[0];if(X+=t[0].length,!x&&e[0].length<C)try{for(let s=e[0].length;!x&&s<C;s++)t.push(t[0])}catch(e){x=!0,_workletPrinter.error("::inputDataForNoSAB() exception: "+e.message+e.stack)}this.audioProcessBuffer.write(t)}outputDataForNoSAB(e){let t=this.audioProcessBuffer.read();if(this.stopPlayAudio)return!0;let s=e[0];if(1===D)for(let e=0;e<s.length;e++)s[e].set(t);else for(let e=0;e<D;e++)for(let r=0;s[e]&&r<s[e].length;r++)s[e][r]=t[r*D+e]}inputData(e){if(!this.encodeSAB)return!0;X+=e[0].length,this.encodeSAB.write(e),this.audioEncodePort.postMessage({command:2,buffer:!1})}outputDecodeData(e,t){try{w.hasData()||A&&(sampleRate!=Y&&(globalThis.sampleRateLog(Y,sampleRate,"","",3),Y=sampleRate),A(m,sampleRate/100,0,sampleRate,D))}catch(e){_workletPrinter.error("::outputDecodeData() get_mixed_Audio exception: "+e.message+e.stack)}try{let s=w.read();if(!s)return;if(1===D)for(let t=0;t<e.length;t++)e[t].set(s);else for(let t=0;t<D;t++)for(let r=0;e[t]&&r<e[t].length;r++)e[t][r]=s[r*D+t];t&&this.echoSAB&&this.echoSAB.write(e)}catch(e){_workletPrinter.error("::outputDecodeData() set outputs exception: "+e.message+e.stack)}}outputData(e){if(!this.decodeSAB)return!0;let t=this.decodeSAB.read();if(null===t||this.stopPlayAudio)return!0;if(1===D)for(let s=0;s<e.length;s++)e[s].set(t);else for(let s=0;s<D;s++)for(let r=0;e[s]&&r<e[s].length;r++)e[s][r]=t[r*D+s]}SABDecodeProcess(e,t,s){try{if(!this.rtpSAB)return globalThis.monitorLOG("SABN"),!0;{let e=this.rtpSAB.available_read();e>100&&(e=100);let t=this.rtpSAB.getReaderPtr(),s=0;for(;s<e;){s++;let e=this.rtpSAB.get(t);t++,m&&N&&(Module.HEAP8.subarray(N,N+v).set(e),p(m,0,N,e.length))}this.rtpSAB.setReaderPtr(t)}}catch(e){_workletPrinter.error("::SABDecodeProcess() audio_decode exception: "+e.message+e.stack)}try{let s=e[0],r=t[0];if(!this.g_sharedbuffer)return!0;if(!this.sampleRate_||!r[0])return!0;let i=s[0]&&this.isCapturing;if(i){if(s.length<C&&!x)try{for(let e=s.length;!x&&e<C;e++)s.push(s[0])}catch(e){x=!0,_workletPrinter.error("::SABDecodeProcess() copy input data exception: "+e.message+e.stack)}this.inputData(s)}return this.outputDecodeData(r,i),!0}catch(e){_workletPrinter.error("::SABDecodeProcess() inputs or outputs exception: "+e.message+e.stack)}return!0}SABProcess(e,t,s){let r=e[0],i=t[0];if(!this.g_sharedbuffer)return!0;if(!this.sampleRate_||!i[0])return!0;if(r[0]&&this.isCapturing){if(!x&&r.length<C)try{for(let e=r.length;!x&&e<C;e++)r.push(r[0])}catch(e){x=!0,_workletPrinter.error("::SABProcess() exception: "+e.message+e.stack)}this.inputData(r)}return this.outputData(i),!0}}var Y=0,x=!1,V=!1,Z=0,X=0,G=!1;globalThis.LOG_OUT=function(){},globalThis.fsHandler?(globalThis.LOG_OUT_WEBRTC=globalThis.fsHandler.handleFile,globalThis.Get_ExternalRecord=globalThis.fsHandler.handleViperPrint):(globalThis.LOG_OUT_WEBRTC=function(){},globalThis.Get_ExternalRecord=function(){}),globalThis.send_data=function(){},globalThis.monitorLOG=function(e){e&&z.port.postMessage({status:"MONITOR_LOG",data:e})},globalThis.sampleRateLog=function(e,t,s,r,i){if(!e&&!t)return;let a=null;switch(i){case 1:a="GGDS: ";break;case 2:a="SCAG: ";break;case 3:a="SCIW: "}let o=a+e+"|"+t+"|"+s+"|"+r;globalThis.monitorLOG(o)},globalThis.wcl_trace_log=function(e,t){globalThis.fsHandler&&globalThis.fsHandler.handleAudioSDKUtilPrint(e,t)},globalThis.Viper_NetworkTrace=function(e,t){},registerProcessor("zoomAudioWorklet",H)}]);
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