dia is not supported"),"started"===this.state&&this.close();const e=yield Go.enumerateDevices();Nn(t)?this._device=e[t]:(this._device=e.find((e=>e.label===t||e.deviceId===t)),!this._device&&e.length>0&&(this._device=e[0]),Bn(Fn(this._device),`No matching device ${t}`));const s={audio:{echoCancellation:!1,sampleRate:this.context.sampleRate,noiseSuppression:!1,mozNoiseSuppression:!1}};this._device&&(s.audio.deviceId=this._device.deviceId);const n=yield navigator.mediaDevices.getUserMedia(s);if(!this._stream){this._stream=n;const t=this.context.createMediaStreamSource(n);ro(t,this.output),this._mediaStream=t}return this}))}close(){return this._stream&&this._mediaStream&&(this._stream.getAudioTracks().forEach((t=>{t.stop()})),this._stream=void 0,this._mediaStream.disconnect(),this._mediaStream=void 0),this._device=void 0,this}static enumerateDevices(){return ni(this,void 0,void 0,(function*(){return(yield navigator.mediaDevices.enumerateDevices()).filter((t=>"audioinput"===t.kind))}))}get state(){return this._stream&&this._stream.active?"started":"stopped"}get deviceId(){return this._device?this._device.deviceId:void 0}get groupId(){return this._device?this._device.groupId:void 0}get label(){return this._device?this._device.label:void 0}get mute(){return this._volume.mute}set mute(t){this._volume.mute=t}dispose(){return super.dispose(),this.close(),this._volume.dispose(),this.volume.dispose(),this}static get supported(){return Fn(navigator.mediaDevices)&&Fn(navigator.mediaDevices.getUserMedia)}}function Qo(t,e){return ni(this,void 0,void 0,(function*(){const s=e/t.context.sampleRate,n=new qi(1,s,t.context.sampleRate);return new t.constructor(Object.assign(t.get(),{frequency:2/s,detune:0,context:n})).toDestination().start(0),(yield n.render()).getChannelData(0)}))}class Zo extends lo{constructor(){const t=ui(Zo.getDefaults(),arguments,["frequency","type"]);super(t),this.name="ToneOscillatorNode",this._oscillator=this.context.createOscillator(),this._internalChannels=[this._oscillator],ro(this._oscillator,this._gainNode),this.type=t.type,this.frequency=new no({context:this.context,param:this._oscillator.frequency,units:"frequency",value:t.frequency}),this.detune=new no({context:this.context,param:this._oscillator.detune,units:"cents",value:t.detune}),Di(this,["frequency","detune"])}static getDefaults(){return Object.assign(lo.getDefaults(),{detune:0,frequency:440,type:"sine"})}start(t){const e=this.toSeconds(t);return this.log("start",e),this._startGain(e),this._oscillator.start(e),this}_stopSource(t){this._oscillator.stop(t)}setPeriodicWave(t){return this._oscillator.setPeriodicWave(t),this}get type(){return this._oscillator.type}set type(t){this._oscillator.type=t}dispose(){return super.dispose(),"started"===this.state&&this.stop(),this._oscillator.disconnect(),this.frequency.dispose(),this.detune.dispose(),this}}class Xo extends jo{constructor(){const t=ui(Xo.getDefaults(),arguments,["frequency","type"]);super(t),this.name="Oscillator",this._oscillator=null,this.frequency=new po({context:this.context,units:"frequency",value:t.frequency}),Di(this,"frequency"),this.detune=new po({context:this.context,units:"cents",value:t.detune}),Di(this,"detune"),this._partials=t.partials,this._partialCount=t.partialCount,this._type=t.type,t.partialCount&&"custom"!==t.type&&(this._type=this.baseType+t.partialCount.toString()),this.phase=t.phase}static getDefaults(){return Object.assign(jo.getDefaults(),{detune:0,frequency:440,partialCount:0,partials:[],phase:0,type:"sine"})}_start(t){const e=this.toSeconds(t),s=new Zo({context:this.context,onended:()=>this.onstop(this)});this._oscillator=s,this._wave?this._oscillator.setPeriodicWave(this._wave):this._oscillator.type=this._type,this._oscillator.connect(this.output),this.frequency.connect(this._oscillator.frequency),this.detune.connect(this._oscillator.detune),this._oscillator.start(e)}_stop(t){const e=this.toSeconds(t);this._oscillator&&this._oscillator.stop(e)}_restart(t){const e=this.toSeconds(t);return this.log("restart",e),this._oscillator&&this._oscillator.cancelStop(),this._state.cancel(e),this}syncFrequency(){return this.context.transport.syncSignal(this.frequency),this}unsyncFrequency(){return this.context.transport.unsyncSignal(this.frequency),this}_getCachedPeriodicWave(){if("custom"===this._type)return Xo._periodicWaveCache.find((t=>{return t.phase===this._phase&&(e=t.partials,s=this._partials,e.length===s.length&&e.every(((t,e)=>s[e]===t)));var e,s}));{const t=Xo._periodicWaveCache.find((t=>t.type===this._type&&t.phase===this._phase));return this._partialCount=t?t.partialCount:this._partialCount,t}}get type(){return this._type}set type(t){this._type=t;const e=-1!==["sine","square","sawtooth","triangle"].indexOf(t);if(0===this._phase&&e)this._wave=void 0,this._partialCount=0,null!==this._oscillator&&(this._oscillator.type=t);else{const e=this._getCachedPeriodicWave();if(Fn(e)){const{partials:t,wave:s}=e;this._wave=s,this._partials=t,null!==th