telegram-tt/dist/161.e3dd8735bd9f827bebc6.js

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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))},n.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)}))},n.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(o){e.encoder.addEventListener("message",(function n(i){var r=i.data;switch(r.message){case"ready":o();break;case"page":e.encodedSamplePosition=r.samplePosition,t(r.page);break;case"done":e.encoder.removeEventListener("message",n),e.finish()}})),e.encoder.start&&e.encoder.start();var n=e.config,i=(n.sourceNode,function(e,t){if(null==e)return{};var o,n,i=function(e,t){if(null==e)return{};var o,n,i={},r=Object.keys(e);for(n=0;n<r.length;n++)o=r[n],t.indexOf(o)>=0||(i[o]=e[o]);return i}(e,t);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);for(n=0;n<r.length;n++)o=r[n],t.indexOf(o)>=0||Object.prototype.propertyIsEnumerable.call(e,o)&&(i[o]=e[o])}return i}(n,["sourceNode"]));e.encoder.postMessage(Object.assign({command:"init",originalSampleRate:e.audioContext.sampleRate,wavSampleRate:e.audioContext.sampleRate},i))}))},n.prototype.initWorklet=function(){return this.audioContext.audioWorklet?this.audioContext.audioWorklet.addModule(this.config.encoderPath):Promise.resolve()},n.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())},n.prototype.resume=function(){"paused"===this.state&&(this.state="recording",this.recordingGainNode.connect(this.encoderNode),this.onresume())},n.prototype.setRecordingGain=function(e){this.config.recordingGain=e,this.recordingGainNode&&this.audioContext&&this.recordingGainNode.gain.setTargetAtTime(e,this.audioContext.currentTime,.01)},n.prototype.setMonitorGain=function(e){this.config.monitorGain=e,this.monitorGainNode&&this.audioContext&&this.monitorGainNode.gain.setTargetAtTime(e,this.audioContext.currentTime,.01)},n.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()},n.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()},n.prototype.storePage=function(e){this.recordedPages.push(e),this.totalLength+=e.length},n.prototype.streamPage=function(e){this.ondataavailable(e)},n.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()},n.prototype.ondataavailable=function(){},n.prototype.onpause=function(){},n.prototype.onresume=function(){},n.prototype.onstart=function(){},n.prototype.onstop=function(){},e.exports=n}).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}])}}]);
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