/// <summary>
/// This should be
/// </summary>
protected async Task OnStartListeningToAudio(MouseEventArgs e)
{
await AudioInterop.StartAudioListenAsync(@delegate : this);
_centerButtonDivClass = "centerButtonDivHide";
_centerButtonDivBgClass = "centerButtonDivHide";
}
public Task OnAudioBufferReceived(object audioBuffer32bitJson)
{
var buffer = AudioInterop.
ConvertJSFloat32ArrayToManaged(audioBuffer32bitJson, AudioAmplify);
OnProcessAudioBuffer(buffer);
if (_bFirstRenderHandled)
{
OnAudioBufferProcessed();
}
return(Task.CompletedTask);
}
protected override async Task OnInitializedAsync()
{
// shut down audio if it's currently running
if (await AudioInterop.HasAudioListenStartedAsync())
{
await AudioInterop.StopAudioListenAsync();
}
// initialize audio
await AudioInterop.InitializeAudioListenAsync(
inputChannels : 1, sampleRate : SampleRate, bufferSize : BufferSize);
// start listening for resize events
await SizeInterop.StartNotifyResizeEventAsync(this);
await base.OnInitializedAsync();
}
public Task OnAudioBufferReceived(object audioBuffer32bitJson)
{
var sw = new Stopwatch();
sw.Start();
var buffer = AudioInterop.
ConvertJSFloat32ArrayToManaged(audioBuffer32bitJson, AudioAmplify);
_audioFilter.CreateSpectrum(buffer);
_spectrumBuffer ??= new double[SpectrumSize];
_audioFilter.CompressPreviousSpectrum(_spectrumBuffer, 0,
_audioFilter.MaximumBandValue / 2); // we don't care about the upper-half of the bands
sw.Stop();
if (_bFirstRenderHandled)
{
OnAudioBufferProcessed(sw.ElapsedMilliseconds);
}
return(Task.CompletedTask);
}
