public Task <bool> StopAsync()
{
service.Stop();
return(Task.FromResult(!service.IsRunning));
}
// private ObservableAsPropertyHelper<ObservableCollection<AudioMeterModel>> _audioMeters;
public MainWindowViewModel()
{
_deviceEnumerator = new MMDeviceEnumerator();
_notificationClient = new MMNotificationClient(_deviceEnumerator);
CaptureService.ItemsUpdated.ObserveOn(RxApp.MainThreadScheduler).Subscribe(x =>
{
if (AudioMeters.Count == 0)
{
foreach (var audioMeterModel in x)
{
AudioMeters.Add(audioMeterModel);
}
return;
}
if (PeakVolume > 0)
{
if (x[0].Value > PeakVolume + PeakOffset)
{
Console.WriteLine("ALERT");
}
}
test.Add(x[0].Value);
for (var i = 0; i < x.Count; i++)
{
AudioMeters[i] = x[i];
}
});
UpdateDevices = ReactiveCommand.Create(() =>
{
Devices.Clear();
foreach (var device in _deviceEnumerator.EnumAudioEndpoints(DataFlow.All, DeviceState.Active))
{
Devices.Add(device);
}
});
StartVolumeCapture =
ReactiveCommand.Create(() => { CaptureService.Start(); }, outputScheduler: RxApp.MainThreadScheduler);
StopVolumeCapture =
ReactiveCommand.Create(() => { CaptureService.Stop(); }, outputScheduler: RxApp.MainThreadScheduler);
PeakVolumeCapture =
ReactiveCommand.CreateFromObservable <Unit, Unit>(_ =>
{
CaptureService.Start();
test.Clear();
return(Observable.Return(Unit.Default)
.Delay(TimeSpan.FromSeconds(10))
.Do(x => CaptureService.Stop()));
});
PeakVolumeCapture.Subscribe(x => PeakVolume = test.Max());
PeakVolumeCapture.ThrownExceptions.Subscribe(Console.WriteLine);
Observable.FromEventPattern <DeviceNotificationEventArgs>(
x => _notificationClient.DeviceAdded += x,
x => _notificationClient.DeviceAdded -= x).Merge(
Observable.FromEventPattern <DeviceNotificationEventArgs>(
y => _notificationClient.DeviceRemoved += y,
y => _notificationClient.DeviceRemoved -= y))
.ObserveOn(RxApp.MainThreadScheduler)
.Select(x => Unit.Default)
.InvokeCommand(UpdateDevices);
Observable.FromEventPattern <DevicePropertyChangedEventArgs>(
z => _notificationClient.DevicePropertyChanged += z,
z => _notificationClient.DevicePropertyChanged -= z)
.ObserveOn(RxApp.MainThreadScheduler)
.Select(x => Unit.Default)
.InvokeCommand(UpdateDevices);
}
public Task <bool> StopAsync(CancellationToken cancellationToken)
{
service.Stop();
return(Task.FromResult(!service.IsRunning));
}