public AEDev()
{
IMMDevice _Device = null;
if (String.IsNullOrEmpty(_devId))
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
}
else
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDevice(_devId, out _Device));
}
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
throw new ApplicationException(String.Format("audio device is not active ({0})", state.ToString()));
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
public void Dispose()
{
if (_CallBack != null)
{
try
{
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.UnregisterControlChangeNotify(_CallBack));
}
catch (Exception)
{
// Catch if no device is found
}
_CallBack = null;
}
}
public void Dispose()
{
if (_CallBack != null)
{
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.UnregisterControlChangeNotify(_CallBack));
_CallBack = null;
}
}
internal AEDev()
{
IMMDevice _Device = null;
Marshal.ThrowExceptionForHR(((IMMDeviceEnumerator)_realEnumerator).GetDefaultAudioEndpoint(0, 1, out _Device));
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
public void Dispose()
{
if (_CallBack != null)
{
try
{
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.UnregisterControlChangeNotify(_CallBack));
}
catch (Exception)
{
// Catch if no device is found
}
_CallBack = null;
}
}
public AEDev(bool resetDevice = false)
{
IMMDevice _Device = null;
if (resetDevice)
{
_devId = "";
}
//_realEnumerator = new _AEDeviceEnumerator() as IMMDeviceEnumerator;
_realEnumerator = _AEDeviceEnumeratorFactory.CreateInstance();
try
{
if (String.IsNullOrEmpty(_devId))
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
}
else
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDevice(_devId, out _Device));
}
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
{
throw new ApplicationException($"audio device is not active ({state.ToString()})");
}
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
catch (Exception)
{
// Catch if no device is found or changed device
try
{
Marshal.ThrowExceptionForHR(_realEnumerator.GetDefaultAudioEndpoint(0, 1, out _Device));
Marshal.ThrowExceptionForHR(_Device.GetId(out _devId));
devstatus state;
Marshal.ThrowExceptionForHR(_Device.GetState(out state));
if (state != devstatus.DEVICE_STATE_ACTIVE)
{
throw new ApplicationException($"audio device is not active ({state.ToString()})");
}
_RealDevice = _Device;
object result;
Marshal.ThrowExceptionForHR(_RealDevice.Activate(ref IID_IAudioEndpointVolume, CTX.ALL, IntPtr.Zero, out result));
_AudioEndPointVolume = result as IAudioEndpointVolume;
_CallBack = new AudioEndpointVolumeCallback(this);
Marshal.ThrowExceptionForHR(_AudioEndPointVolume.RegisterControlChangeNotify(_CallBack));
}
catch (Exception)
{
// Catch if no device is found
}
}
}
