public AudioDeviceManager(AudioDeviceKind kind)
{
_kind = kind;
_dispatcher = Dispatcher.CurrentDispatcher;
_devices = new AudioDeviceCollection();
_policyConfigService = new AudioPolicyConfigService(Flow);
TraceLine($"Create");
Task.Factory.StartNew(() =>
{
try
{
_enumerator = (IMMDeviceEnumerator) new MMDeviceEnumerator();
_enumerator.RegisterEndpointNotificationCallback(this);
var devices = _enumerator.EnumAudioEndpoints(Flow, DeviceState.ACTIVE);
uint deviceCount = devices.GetCount();
for (uint i = 0; i < deviceCount; i++)
{
((IMMNotificationClient)this).OnDeviceAdded(devices.Item(i).GetId());
}
_dispatcher.Invoke((Action)(() =>
{
QueryDefaultDevice();
Loaded?.Invoke(this, null);
}));
}
catch (Exception ex)
{
// Even through we're going to be broken, show the tray icon so the user can collect debug data.
AppTrace.LogWarning(ex);
_dispatcher.Invoke((Action)(() =>
{
Loaded?.Invoke(this, null);
}));
}
});
TraceLine($"Create Exit");
}
public AudioDeviceManager(Dispatcher dispatcher)
{
Trace.WriteLine("AudioDeviceManager Create");
_dispatcher = dispatcher;
_devices = new AudioDeviceCollection();
_policyConfigService = new AudioPolicyConfigService();
Task.Factory.StartNew(() =>
{
try
{
_enumerator = (IMMDeviceEnumerator) new MMDeviceEnumerator();
_enumerator.RegisterEndpointNotificationCallback(this);
var devices = _enumerator.EnumAudioEndpoints(EDataFlow.eRender, DeviceState.ACTIVE);
uint deviceCount = devices.GetCount();
for (uint i = 0; i < deviceCount; i++)
{
((IMMNotificationClient)this).OnDeviceAdded(devices.Item(i).GetId());
}
// Trigger default logic to register for volume change
_dispatcher.BeginInvoke((Action)(() =>
{
QueryDefaultPlaybackDevice();
Loaded?.Invoke(this, null);
}));
}
catch (Exception ex) when(ex.Is(Error.AUDCLNT_E_DEVICE_INVALIDATED))
{
// Expected in some cases.
}
});
Trace.WriteLine("AudioDeviceManager Create Exit");
}
