XnStatus XnShiftToDepthStreamHelper::InitShiftToDepth()
{
	XnStatus nRetVal = XN_STATUS_OK;

	// register to any shift-to-depth property (so tables can be updated if needed)
	const XnChar* propNames[] = 
	{
		XN_STREAM_PROPERTY_MIN_DEPTH,
		XN_STREAM_PROPERTY_MAX_DEPTH,
		XN_STREAM_PROPERTY_CONST_SHIFT,
		XN_STREAM_PROPERTY_PIXEL_SIZE_FACTOR,
		XN_STREAM_PROPERTY_PARAM_COEFF,
		XN_STREAM_PROPERTY_SHIFT_SCALE,
		XN_STREAM_PROPERTY_ZERO_PLANE_DISTANCE,
		XN_STREAM_PROPERTY_ZERO_PLANE_DISTANCE,
		XN_STREAM_PROPERTY_EMITTER_DCMOS_DISTANCE
	};

	XnUInt32 nPropCount = sizeof(propNames) / sizeof(const XnChar*);

	XnCallbackHandle hDummy;

	XnProperty* pProperty = NULL;
	for (XnUInt32 i = 0; i < nPropCount; ++i)
	{
		nRetVal = m_pModule->GetProperty(propNames[i], &pProperty);
		XN_IS_STATUS_OK(nRetVal);

		nRetVal = pProperty->OnChangeEvent().Register(ShiftToDepthPropertyValueChangedCallback, this, hDummy);
		XN_IS_STATUS_OK(nRetVal);
	}

	// register for tables size properties
	nRetVal = m_pModule->GetProperty(XN_STREAM_PROPERTY_MAX_SHIFT, &pProperty);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProperty->OnChangeEvent().Register(DeviceS2DTablesSizeChangedCallback, this, hDummy);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = m_pModule->GetProperty(XN_STREAM_PROPERTY_DEVICE_MAX_DEPTH, &pProperty);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProperty->OnChangeEvent().Register(DeviceS2DTablesSizeChangedCallback, this, hDummy);
	XN_IS_STATUS_OK(nRetVal);

	// now init the tables
	XnShiftToDepthConfig Config;
	nRetVal = GetShiftToDepthConfig(Config);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = XnShiftToDepthInit(&m_ShiftToDepthTables, &Config);
	XN_IS_STATUS_OK(nRetVal);

	// replace tables buffers
	m_ShiftToDepthTable.ReplaceBuffer(m_ShiftToDepthTables.pShiftToDepthTable, m_ShiftToDepthTables.nShiftsCount * sizeof(XnDepthPixel));
	m_DepthToShiftTable.ReplaceBuffer(m_ShiftToDepthTables.pDepthToShiftTable, m_ShiftToDepthTables.nDepthsCount * sizeof(XnUInt16));

	return (XN_STATUS_OK);
}
XnStatus XnServerSensorInvoker::RegisterToProps(XnPropertySet* pProps)
{
	XnStatus nRetVal = XN_STATUS_OK;
	XnCallbackHandle hDummy = NULL;

	for (XnPropertySetData::Iterator itMod = pProps->pData->Begin(); itMod != pProps->pData->End(); ++itMod)
	{
		XnActualPropertiesHash* pHash = itMod->Value();

		XnDeviceModule* pModule;
		nRetVal = m_sensor.FindModule(itMod->Key(), &pModule);
		XN_IS_STATUS_OK(nRetVal);

		for (XnActualPropertiesHash::Iterator itProp = pHash->Begin(); itProp != pHash->End(); ++itProp)
		{
			XnProperty* pProp;
			nRetVal = pModule->GetProperty(itProp->Key(), &pProp);
			XN_IS_STATUS_OK(nRetVal);

			// no need to keep the handle. We only want to unregister when the stream is destroyed, and then
			// it happens anyway.
			nRetVal = pProp->OnChangeEvent().Register(PropertyChangedCallback, this, hDummy);
			XN_IS_STATUS_OK(nRetVal);
		}
	}

	return (XN_STATUS_OK);
}
XnStatus XnDeviceModule::UnregisterFromOnPropertyValueChanged(const XnChar* strName, XnCallbackHandle hCallback)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XnProperty* pProp;
	nRetVal = GetProperty(strName, &pProp);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProp->OnChangeEvent().Unregister(hCallback);
	XN_IS_STATUS_OK(nRetVal);

	return (XN_STATUS_OK);
}
XnStatus XnDeviceModule::RegisterForOnPropertyValueChanged(const XnChar* strName, XnProperty::OnValueChangedHandler pFunc, void* pCookie, XnCallbackHandle& hCallback)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	XnProperty* pProp;
	nRetVal = GetProperty(strName, &pProp);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProp->OnChangeEvent().Register(pFunc, pCookie, hCallback);
	XN_IS_STATUS_OK(nRetVal);
	
	return (XN_STATUS_OK);
}
XnStatus XnShiftToDepthStreamHelper::InitShiftToDepth()
{
	XnStatus nRetVal = XN_STATUS_OK;

	xnLogVerbose("S2D", "test1");
	// register to any shift-to-depth property (so tables can be updated if needed)
	XnUInt32 propIds[] = 
	{
		XN_STREAM_PROPERTY_MIN_DEPTH,
		XN_STREAM_PROPERTY_MAX_DEPTH,
		XN_STREAM_PROPERTY_CONST_SHIFT,
		XN_STREAM_PROPERTY_PIXEL_SIZE_FACTOR,
		XN_STREAM_PROPERTY_PARAM_COEFF,
		XN_STREAM_PROPERTY_SHIFT_SCALE,
		XN_STREAM_PROPERTY_ZERO_PLANE_DISTANCE,
		XN_STREAM_PROPERTY_ZERO_PLANE_DISTANCE,
		XN_STREAM_PROPERTY_EMITTER_DCMOS_DISTANCE,
		XN_STREAM_PROPERTY_OUTPUT_FORMAT,
		XN_STREAM_PROPERTY_CUSTOM_S2D_TABLE_ID
	};

	xnLogVerbose("S2D", "test2");
	
	
	XnUInt32 nPropCount = sizeof(propIds) / sizeof(propIds[0]);

	xnLogVerbose("S2D", "test3");
	
	XnCallbackHandle hDummy;

	XnProperty* pProperty = NULL;
	for (XnUInt32 i = 0; i < nPropCount; ++i)
	{
	  xnLogVerbose("S2D", "test4");
		nRetVal = m_pModule->GetProperty(propIds[i], &pProperty);
		xnLogVerbose("S2D", "test5 %s", xnGetStatusString(nRetVal));
		XN_IS_STATUS_OK(nRetVal);
		
	  
		nRetVal = pProperty->OnChangeEvent().Register(ShiftToDepthPropertyValueChangedCallback, this, hDummy);
		XN_IS_STATUS_OK(nRetVal);
		xnLogVerbose("S2D", "test6");
	}

// 	XnUInt64 CustomTableID = ((XnActualIntProperty*)pProperty)->GetValue();
//    	xnLogVerbose("S2D", "S2D custom table ID: %d", CustomTableID);
	
	// register for tables size properties
	nRetVal = m_pModule->GetProperty(XN_STREAM_PROPERTY_MAX_SHIFT, &pProperty);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProperty->OnChangeEvent().Register(DeviceS2DTablesSizeChangedCallback, this, hDummy);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = m_pModule->GetProperty(XN_STREAM_PROPERTY_DEVICE_MAX_DEPTH, &pProperty);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProperty->OnChangeEvent().Register(DeviceS2DTablesSizeChangedCallback, this, hDummy);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = m_pModule->GetProperty(XN_STREAM_PROPERTY_OUTPUT_FORMAT, &pProperty);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = pProperty->OnChangeEvent().Register(DeviceS2DTablesSizeChangedCallback, this, hDummy);
	XN_IS_STATUS_OK(nRetVal);
	
	// now init the tables
	XnShiftToDepthConfig Config;
	nRetVal = GetShiftToDepthConfig(Config);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = XnShiftToDepthInit(&m_ShiftToDepthTables, &Config);
	XN_IS_STATUS_OK(nRetVal);

	// replace tables buffers
	m_ShiftToDepthTable.ReplaceBuffer(m_ShiftToDepthTables.pShiftToDepthTable, m_ShiftToDepthTables.nShiftsCount * sizeof(OniDepthPixel));
	m_DepthToShiftTable.ReplaceBuffer(m_ShiftToDepthTables.pDepthToShiftTable, m_ShiftToDepthTables.nDepthsCount * sizeof(XnUInt16));

	return (XN_STATUS_OK);
}
XnStatus XnStreamDeviceStreamHolder::ChooseCodec()
{
	XnStatus nRetVal = XN_STATUS_OK;

	// create new codec (we also need to register on all the properties)
	XnCodec* pCodec;
	XnPropertiesList CodecProps;

	switch (GetCompression())
	{
	case XN_COMPRESSION_NONE:
		{
			XN_VALIDATE_NEW_AND_INIT(pCodec, XnUncompressedCodec);
		}
		break;
	case XN_COMPRESSION_16Z:
		{
			XN_VALIDATE_NEW_AND_INIT(pCodec, Xn16zCodec);
		}
		break;
	case XN_COMPRESSION_16Z_EMB_TABLE:
		{
			// first we need to find max depth
			XnIntProperty* pDeviceMaxDepthProp;
			nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_DEVICE_MAX_DEPTH, &pDeviceMaxDepthProp);
			XN_IS_STATUS_OK(nRetVal);

			XnUInt64 nMaxDepth;
			nRetVal = pDeviceMaxDepthProp->GetValue(&nMaxDepth);
			XN_IS_STATUS_OK(nRetVal);

			nRetVal = CodecProps.AddLast(pDeviceMaxDepthProp);
			XN_IS_STATUS_OK(nRetVal);

			XN_VALIDATE_NEW_AND_INIT(pCodec, Xn16zEmbTablesCodec, (XnDepthPixel)nMaxDepth);
		}
		break;
	case XN_COMPRESSION_COLOR_8Z:
		{
			XN_VALIDATE_NEW_AND_INIT(pCodec, Xn8zCodec);
		}
		break;
	case XN_COMPRESSION_JPEG:
		{
			// check what is the output format
			XnIntProperty* pOutputFormatProp;
			nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_OUTPUT_FORMAT, &pOutputFormatProp);
			XN_IS_STATUS_OK(nRetVal);

			XnUInt64 nOutputFormat;
			nRetVal = pOutputFormatProp->GetValue(&nOutputFormat);
			XN_IS_STATUS_OK(nRetVal);

			XnBool bRGB = FALSE;

			switch (nOutputFormat)
			{
			case XN_OUTPUT_FORMAT_GRAYSCALE8:
				bRGB = FALSE;
				break;
			case XN_OUTPUT_FORMAT_RGB24:
				bRGB = TRUE;
				break;
			default:
				XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Codec factory currently supports JPEG codec only for streams of type Gray8 or RGB24!");
			}

			nRetVal = CodecProps.AddLast(pOutputFormatProp);
			XN_IS_STATUS_OK(nRetVal);

			// X res
			XnIntProperty* pXResProp;
			nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_X_RES, &pXResProp);
			XN_IS_STATUS_OK(nRetVal);

			XnUInt64 nXRes;
			nRetVal = pXResProp->GetValue(&nXRes);
			XN_IS_STATUS_OK(nRetVal);

			nRetVal = CodecProps.AddLast(pXResProp);
			XN_IS_STATUS_OK(nRetVal);

			// Y res
			XnIntProperty* pYResProp;
			nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_Y_RES, &pYResProp);
			XN_IS_STATUS_OK(nRetVal);

			XnUInt64 nYRes;
			nRetVal = pYResProp->GetValue(&nYRes);
			XN_IS_STATUS_OK(nRetVal);

			// Cropping
			XnGeneralProperty* pCroppingProp;
			nRetVal = GetStream()->GetProperty(XN_STREAM_PROPERTY_CROPPING, &pCroppingProp);
			XN_IS_STATUS_OK(nRetVal);

			XnCropping cropping;
			nRetVal = pCroppingProp->GetValue(XN_PACK_GENERAL_BUFFER(cropping));
			XN_IS_STATUS_OK(nRetVal);

			nRetVal = CodecProps.AddLast(pCroppingProp);
			XN_IS_STATUS_OK(nRetVal);

			// calc x,y
			if (cropping.bEnabled)
			{
				nXRes = cropping.nXSize;
				nYRes = cropping.nYSize;
			}

			XN_VALIDATE_NEW_AND_INIT(pCodec, XnJpegCodec, bRGB, (XnUInt32)nXRes, (XnUInt32)nYRes);
		}
		break;
	default:
		XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Codec factory does not support compression type %d", GetCompression());
	}

	// register to new props
	for (XnPropertiesList::Iterator it = CodecProps.Begin(); it != CodecProps.End(); ++it)
	{
		XnProperty* pProp = *it;

		XnPropertiesHash::Iterator hashIt = m_CodecProperties.End();
		nRetVal = m_CodecProperties.Find(pProp, hashIt);
		if (nRetVal == XN_STATUS_NO_MATCH)
		{
			XnCallbackHandle hCallbackDummy;
			nRetVal = pProp->OnChangeEvent().Register(CodecPropertyChangedCallback, this, hCallbackDummy);
			if (nRetVal != XN_STATUS_OK)
			{
				XN_DELETE(pCodec);
				return (nRetVal);
			}

			nRetVal = m_CodecProperties.Set(pProp, NULL);
			if (nRetVal != XN_STATUS_OK)
			{
				XN_DELETE(pCodec);
				return (nRetVal);
			}
		}
		else if (nRetVal != XN_STATUS_OK)
		{
			XN_DELETE(pCodec);
			return (nRetVal);
		}
	}

	// replace it
	XN_DELETE(m_pCodec);
	m_pCodec = pCodec;

	return (XN_STATUS_OK);
}