// create the instance of the nui sensor
HRESULT KinectSensor::CreateNuiDevice()
{
assert( m_wsPortID.size() != 0 );
// check if we can use it
CComPtr<INuiSensor> pNuiSensor;
HRESULT hr = NuiCreateSensorById( m_wsPortID.c_str(), &pNuiSensor );
if( FAILED(hr) )
{
return hr;
}
// is this one we already have
if( m_pNuiSensor == pNuiSensor )
{
return S_OK;
}
assert( nullptr == m_pNuiSensor );
// if the device is not in use by another process
if( !IsSensorConflict(pNuiSensor) )
{
// start clean
ResetDevice();
m_pNuiSensor = pNuiSensor; // auto refcount with CComPtr
}
// update internal state and return
return GetNUISensorStatus(true);
}
/// <summary>
/// Return the current status of the sensor
/// </summary>
void KinectSensor::NuiSensorStatus(_In_ INuiSensor* pNuiSensor, _Out_ HRESULT& hr, _Out_ KINECT_SENSOR_STATUS& curStatus, bool bCheckConflict)
{
if (nullptr == pNuiSensor)
{
curStatus = KinectSensorStatusNone;
hr = E_NUI_DEVICE_NOT_CONNECTED;
return;
}
else
{
hr = pNuiSensor->NuiStatus();
}
switch (hr)
{
case S_OK:
curStatus = KinectSensorStatusStarted;
if (bCheckConflict)
{
// Even if the input sensor is started, we still need to check if it is
// in use by other process.
if (IsSensorConflict(pNuiSensor))
{
// other app owns this sensor
curStatus = KinectSensorStatusConflict;
hr = E_NUI_ALREADY_INITIALIZED;
}
}
break;
case S_NUI_INITIALIZING:
curStatus = KinectSensorStatusInitializing;
break;
case E_NUI_NOTGENUINE:
curStatus = KinectSensorStatusNotGenuine;
break;
case E_NUI_INSUFFICIENTBANDWIDTH:
curStatus = KinectSensorStatusInsufficientBandwidth;
break;
case E_NUI_NOTSUPPORTED:
curStatus = KinectSensorStatusNotSupported;
break;
case E_NUI_NOTPOWERED:
curStatus = KinectSensorStatusNotPowered;
break;
default:
curStatus = KinectSensorStatusError;
}
}
