telegram-tt/dist/10.b2061fc93d24261f6568.js.map

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this.monitorGainNode.disconnect(),this.recordingGainNode.disconnect(),this.sourceNode&&this.sourceNode.disconnect(),this.clearStream(),this.encoder&&(this.encoderNode.disconnect(),this.encoder.postMessage({command:\"close\"})),this.config.sourceNode.context?Promise.resolve():this.audioContext.close()},i.prototype.encodeBuffers=function(e){if(\"recording\"===this.state){for(var t=[],o=0;o<e.numberOfChannels;o++)t[o]=e.getChannelData(o);this.encoder.postMessage({command:\"encode\",buffers:t})}},i.prototype.initAudioContext=function(){this.audioContext=this.config.sourceNode.context?this.config.sourceNode.context:new n,this.monitorGainNode=this.audioContext.createGain(),this.setMonitorGain(this.config.monitorGain),this.recordingGainNode=this.audioContext.createGain(),this.setRecordingGain(this.config.recordingGain)},i.prototype.initEncoder=function(){var e=this;this.audioContext.audioWorklet?(this.encoderNode=new AudioWorkletNode(this.audioContext,\"encoder-worklet\",{numberOfOutputs:0}),this.encoder=this.encoderNode.port):(console.log(\"audioWorklet support not detected. Falling back to scriptProcessor\"),this.encodeBuffers=function(){return delete e.encodeBuffers},this.encoderNode=this.audioContext.createScriptProcessor(this.config.bufferLength,this.config.numberOfChannels,this.config.numberOfChannels),this.encoderNode.onaudioprocess=function(t){var o=t.inputBuffer;return e.encodeBuffers(o)},this.encoderNode.connect(this.audioContext.destination),this.encoder=new t.Worker(this.config.encoderPath))},i.prototype.initSourceNode=function(){var e=this;return this.config.sourceNode.context?(this.sourceNode=this.config.sourceNode,Promise.resolve()):t.navigator.mediaDevices.getUserMedia({audio:this.config.mediaTrackConstraints}).then((function(t){e.stream=t,e.sourceNode=e.audioContext.createMediaStreamSource(t)}))},i.prototype.initWorker=function(){var e=this,t=(this.config.streamPages?this.streamPage:this.storePage).bind(this);return this.recordedPages=[],this.totalLength=0,new Promise((function(n){e.encoder.addEventListener(\"message\",(function o(i){var r=i.data;switch(r.message){case\"ready\":n();break;case\"page\":e.encodedSamplePosition=r.samplePosition,t(r.page);break;case\"done\":e.encoder.removeEventListener(\"message\",o),e.finish()}})),e.encoder.start&&e.encoder.start();var i=e.config,r=(i.sourceNode,o(i,[\"sourceNode\"]));e.encoder.postMessage(Object.assign({command:\"init\",originalSampleRate:e.audioContext.sampleRate,wavSampleRate:e.audioContext.sampleRate},r))}))},i.prototype.initWorklet=function(){return this.audioContext.audioWorklet?this.audioContext.audioWorklet.addModule(this.config.encoderPath):Promise.resolve()},i.prototype.pause=function(e){var t=this;if(\"recording\"===this.state)return this.state=\"paused\",this.recordingGainNode.disconnect(),e&&this.config.streamPages?new Promise((function(e){t.encoder.addEventListener(\"message\",(function o(n){\"flushed\"===n.data.message&&(t.encoder.removeEventListener(\"message\",o),t.onpause(),e())})),t.encoder.start&&t.encoder.start(),t.encoder.postMessage({command:\"flush\"})})):(this.onpause(),Promise.resolve())},i.prototype.resume=function(){\"paused\"===this.state&&(this.state=\"recording\",this.recordingGainNode.connect(this.encoderNode),this.onresume())},i.prototype.setRecordingGain=function(e){this.config.recordingGain=e,this.recordingGainNode&&this.audioContext&&this.recordingGainNode.gain.setTargetAtTime(e,this.audioContext.currentTime,.01)},i.prototype.setMonitorGain=function(e){this.config.monitorGain=e,this.monitorGainNode&&this.audioContext&&this.monitorGainNode.gain.setTargetAtTime(e,this.audioContext.currentTime,.01)},i.prototype.start=function(){var e=this;return\"inactive\"===this.state?(this.state=\"loading\",this.encodedSamplePosition=0,this.audioContext.resume().then((function(){return e.initialize})).then((function(){return Promise.all([e.initSourceNode(),e.initWorker()])})).then((function(){e.state=\"recording\",e.encoder.postMessage({command:\"getHeaderPages\"}),e.sourceNode.connect(e.monitorGainNode),e.sourceNode.connect(e.recordingGainNode),e.monitorGainNode.connect(e.audioContext.destination),e.recordingGainNode.connect(e.encoderNode),e.onstart()})).catch((function(t){throw e.state=\"inactive\",t}))):Promise.resolve()},i.prototype.stop=function(){var e=this;return\"paused\"===this.state||\"recording\"===this.state?(this.state=\"inactive\",this.recordingGainNode.connect(this.encoderNode),this.monitorGainNode.disconnect(),this.clearStream(),new Promise((function(t){e.encoder.addEventListener(\"message\",(function o(n){\"done\"===n.data.message&&(e.encoder.removeEventListener(\"message\",o),t())})),e.encoder.start&&e.encoder.start(),e.encoder.postMessage({command:\"done\"})}))):Promise.resolve()},i.prototype.storePage=function(e){this.recordedPages.push(e),this.totalLength+=e.length},i.prototype.streamPage=function(e){this.ondataavailable(e)},i.prototype.finish=function(){if(!this.config.streamPages){var e=new Uint8Array(this.totalLength);this.recordedPages.reduce((function(t,o){return e.set(o,t),t+o.length}),0),this.ondataavailable(e)}this.onstop()},i.prototype.ondataavailable=function(){},i.prototype.onpause=function(){},i.prototype.onresume=function(){},i.prototype.onstart=function(){},i.prototype.onstop=function(){},e.exports=i}).call(this,o(1))},function(e,t){var o;o=function(){return this}();try{o=o||new Function(\"return this\")()}catch(e){\"object\"==typeof window&&(o=window)}e.exports=o}])}));"],"sourceRoot":""}