C++ XnActualPropertiesHash类代码示例

XnStatus XnDeviceBase::CreateStreams(const XnPropertySet* pSet)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	for (XnPropertySetData::ConstIterator it = pSet->pData->begin(); it != pSet->pData->end(); ++it)
	{
		// check if this module is a stream
		XnActualPropertiesHash* pModule = it.Value();

		XnActualPropertiesHash::ConstIterator itProp = pModule->end();
		if (XN_STATUS_OK == pModule->Find(XN_STREAM_PROPERTY_TYPE, itProp))
		{
			// create a copy of the properties
			XnActualPropertiesHash streamProps(it.Key());
			nRetVal = streamProps.CopyFrom(*pModule);
			XN_IS_STATUS_OK(nRetVal);

			// remove the type property
			nRetVal = streamProps.Remove(XN_STREAM_PROPERTY_TYPE);
			XN_IS_STATUS_OK(nRetVal);

			// and create the stream
			XnActualStringProperty* pActualProp = (XnActualStringProperty*)itProp.Value();
			nRetVal = CreateStreamImpl(pActualProp->GetValue(), it.Key(), &streamProps);
			XN_IS_STATUS_OK(nRetVal);
		}
	}
	
	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);
}

XN_DDK_API XnStatus XnPropertySetFindProperty(const XnPropertySet* pSet, const XnChar* strModule, const XnChar* strProp, XnPropertySetEnumerator** ppEnumerator)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XN_VALIDATE_INPUT_PTR(pSet);
	XN_VALIDATE_INPUT_PTR(strModule);
	XN_VALIDATE_INPUT_PTR(strProp);
	XN_VALIDATE_OUTPUT_PTR(ppEnumerator);

	// find module
	XnPropertySetData::Iterator itModule = pSet->pData->End();
	nRetVal = pSet->pData->Find(strModule, itModule);
	XN_IS_STATUS_OK(nRetVal);

	XnActualPropertiesHash* pModule = itModule->Value();

	// find property
	XnActualPropertiesHash::Iterator itProp = pModule->End();
	nRetVal = pModule->Find(strProp, itProp);
	XN_IS_STATUS_OK(nRetVal);

	// create enumerator
	XnPropertySetEnumerator* pEnumer;
	XN_VALIDATE_NEW(pEnumer, XnPropertySetEnumerator);

	pEnumer->itModule = itModule;
	pEnumer->itProp = itProp;
	pEnumer->pModules = pSet->pData;
	pEnumer->strModule[0] = '\0';
	pEnumer->bFirst = FALSE;

	*ppEnumerator = pEnumer;

	return XN_STATUS_OK;
}

XnStatus XnDeviceModuleHolder::UnsafeSetProperties(const XnActualPropertiesHash& props)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	for (XnActualPropertiesHash::ConstIterator it = props.Begin(); it != props.End(); ++it)
	{
		XnProperty* pRequestProp = it->Value();
		XnProperty* pProp = NULL;

		// check if property already exist
		nRetVal = m_pModule->GetProperty(pRequestProp->GetName(), &pProp);
		if (nRetVal == XN_STATUS_DEVICE_PROPERTY_DONT_EXIST)
		{
			// property doesn't exist. create it now
			nRetVal = CreateProperty(pRequestProp);
			XN_IS_STATUS_OK(nRetVal);
		}
		else if (nRetVal == XN_STATUS_OK)
		{
			// property exists. Change its value
			nRetVal = UnsafeSetProperty(pRequestProp, pProp);
			XN_IS_STATUS_OK(nRetVal);
		}
		else
		{
			// error
			return (nRetVal);
		}

	} // props loop
	
	return (XN_STATUS_OK);
}

XN_DDK_API XnStatus XnPropertySetCloneModule(const XnPropertySet* pSource, XnPropertySet* pDest, const XnChar* strModule, const XnChar* strNewName)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XnActualPropertiesHash* pModuleProps = NULL;
	nRetVal = pSource->pData->Get(strModule, pModuleProps);
	XN_IS_STATUS_OK(nRetVal);

	nRetVal = XnPropertySetAddModule(pDest, strNewName);
	XN_IS_STATUS_OK(nRetVal);

	for (XnActualPropertiesHash::ConstIterator it = pModuleProps->Begin(); it != pModuleProps->End(); ++it)
	{
		XnProperty* pProp = it->Value();
		switch (pProp->GetType())
		{
		case XN_PROPERTY_TYPE_INTEGER:
			{
				XnActualIntProperty* pIntProp = (XnActualIntProperty*)pProp;
				nRetVal = XnPropertySetAddIntProperty(pDest, strNewName, pIntProp->GetName(), pIntProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_REAL:
			{
				XnActualRealProperty* pRealProp = (XnActualRealProperty*)pProp;
				nRetVal = XnPropertySetAddRealProperty(pDest, strNewName, pRealProp->GetName(), pRealProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_STRING:
			{
				XnActualStringProperty* pStrProp = (XnActualStringProperty*)pProp;
				nRetVal = XnPropertySetAddStringProperty(pDest, strNewName, pStrProp->GetName(), pStrProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_GENERAL:
			{
				XnActualGeneralProperty* pGenProp = (XnActualGeneralProperty*)pProp;
				nRetVal = XnPropertySetAddGeneralProperty(pDest, strNewName, pGenProp->GetName(), &pGenProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		default:
			XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Unknown property type: %d", pProp->GetType());
		}
	}

	return (XN_STATUS_OK);
}

XnStatus XnDataPacker::WritePropertySetProperties(const XnPropertySet* pSet)
{
    XnStatus nRetVal = XN_STATUS_OK;

    for (XnPropertySetData::Iterator it = pSet->pData->Begin(); it != pSet->pData->End(); ++it)
    {
        XnActualPropertiesHash* pModule = it->Value();
        for (XnActualPropertiesHash::ConstIterator itProp = pModule->Begin(); itProp != pModule->End(); ++itProp)
        {
            switch (itProp->Value()->GetType())
            {
            case XN_PROPERTY_TYPE_INTEGER:
            {
                XnActualIntProperty* pProp = (XnActualIntProperty*)itProp->Value();
                nRetVal = WritePropertyImpl(pProp->GetModule(), pProp->GetName(), pProp->GetValue());
                XN_IS_STATUS_OK(nRetVal);
                break;
            }
            case XN_PROPERTY_TYPE_REAL:
            {
                XnActualRealProperty* pProp = (XnActualRealProperty*)itProp->Value();
                nRetVal = WritePropertyImpl(pProp->GetModule(), pProp->GetName(), pProp->GetValue());
                XN_IS_STATUS_OK(nRetVal);
                break;
            }
            case XN_PROPERTY_TYPE_STRING:
            {
                XnActualStringProperty* pProp = (XnActualStringProperty*)itProp->Value();
                nRetVal = WritePropertyImpl(pProp->GetModule(), pProp->GetName(), pProp->GetValue());
                XN_IS_STATUS_OK(nRetVal);
                break;
            }
            case XN_PROPERTY_TYPE_GENERAL:
            {
                XnActualGeneralProperty* pProp = (XnActualGeneralProperty*)itProp->Value();
                nRetVal = WritePropertyImpl(pProp->GetModule(), pProp->GetName(), pProp->GetValue());
                XN_IS_STATUS_OK(nRetVal);
                break;
            }
            default:
                XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Unknown property type: %d", itProp->Value()->GetType());
            }
        }
    }

    StartWritingIntenalObject(XN_PACKED_PROPERTY_SET_PROPERTIES_END_MARKER);
    EndWritingInternalObject();

    return (XN_STATUS_OK);
}

XnStatus XnActualPropertiesHash::CopyFrom(const XnActualPropertiesHash& other)
{
	XnStatus nRetVal = XN_STATUS_OK;

	Clear();
	strncpy(m_strName, other.m_strName, XN_DEVICE_MAX_STRING_LENGTH);

	for (ConstIterator it = other.Begin(); it != other.End(); ++it)
	{
		switch (it->Value()->GetType())
		{
		case XN_PROPERTY_TYPE_INTEGER:
			{
				XnActualIntProperty* pProp = (XnActualIntProperty*)it->Value();
				nRetVal = Add(pProp->GetId(), pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_REAL:
			{
				XnActualRealProperty* pProp = (XnActualRealProperty*)it->Value();
				nRetVal = Add(pProp->GetId(), pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_STRING:
			{
				XnActualStringProperty* pProp = (XnActualStringProperty*)it->Value();
				nRetVal = Add(pProp->GetId(), pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_GENERAL:
			{
				XnActualGeneralProperty* pProp = (XnActualGeneralProperty*)it->Value();
				nRetVal = Add(pProp->GetId(), pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		default:
			XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Unknown property type: %d\n", it->Value()->GetType());
		}
	}

	return (XN_STATUS_OK);
}

XnStatus XnPropertySetAddRealProperty(XnPropertySet* pSet, const XnChar* strModuleName, XnUInt32 propertyId, XnDouble dValue)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XN_VALIDATE_INPUT_PTR(pSet);
	XN_VALIDATE_INPUT_PTR(strModuleName);

	// get module
	XnActualPropertiesHash* pModule = NULL;
	nRetVal = pSet->pData->Get(strModuleName, pModule);
	XN_IS_STATUS_OK(nRetVal);

	// add property
	nRetVal = pModule->Add(propertyId, "", dValue);
	XN_IS_STATUS_OK(nRetVal);

	return (XN_STATUS_OK);
}

XnStatus XnPropertySetRemoveProperty(XnPropertySet* pSet, const XnChar* strModuleName, XnUInt32 propertyId)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XN_VALIDATE_INPUT_PTR(pSet);
	XN_VALIDATE_INPUT_PTR(strModuleName);

	// get module
	XnActualPropertiesHash* pModule = NULL;
	nRetVal = pSet->pData->Get(strModuleName, pModule);
	XN_IS_STATUS_OK(nRetVal);

	// remove the property
	nRetVal = pModule->Remove(propertyId);
	XN_IS_STATUS_OK(nRetVal);

	return (XN_STATUS_OK);
}

XnStatus XnDeviceModule::UnsafeBatchConfig(const XnActualPropertiesHash& props)
{
	XnStatus nRetVal = XN_STATUS_OK;

	for (XnActualPropertiesHash::ConstIterator it = props.Begin(); it != props.End(); ++it)
	{
		XnProperty* pRequestProp = it->Value();
		switch (pRequestProp->GetType())
		{
		case XN_PROPERTY_TYPE_INTEGER:
			{
				XnActualIntProperty* pProp = (XnActualIntProperty*)pRequestProp;
				nRetVal = UnsafeUpdateProperty(pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_REAL:
			{
				XnActualRealProperty* pProp = (XnActualRealProperty*)pRequestProp;
				nRetVal = UnsafeUpdateProperty(pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_STRING:
			{
				XnActualStringProperty* pProp = (XnActualStringProperty*)pRequestProp;
				nRetVal = UnsafeUpdateProperty(pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		case XN_PROPERTY_TYPE_GENERAL:
			{
				XnActualGeneralProperty* pProp = (XnActualGeneralProperty*)pRequestProp;
				nRetVal = UnsafeUpdateProperty(pProp->GetName(), pProp->GetValue());
				XN_IS_STATUS_OK(nRetVal);
				break;
			}
		default:
			XN_LOG_WARNING_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Unknown property type: %d\n", pRequestProp->GetType());
		} // type switch
	} // props loop

	return (XN_STATUS_OK);
}

XnStatus XnFileDevice::SetInitialState(XnPropertySet* pSet)
{
    XnStatus nRetVal = XN_STATUS_OK;

    // Fix state (remove some properties that we don't wish to reflect in reader device)
    XnActualPropertiesHash* pDeviceModule = NULL;
    if (XN_STATUS_OK == pSet->pData->Get(XN_MODULE_NAME_DEVICE, pDeviceModule))
    {
        pDeviceModule->Remove(XN_MODULE_PROPERTY_READ_WRITE_MODE);
        pDeviceModule->Remove(XN_MODULE_PROPERTY_PRIMARY_STREAM);

        // check for timestamps resolution
        XnActualIntProperty* pIntProp = NULL;
        if (XN_STATUS_OK == pDeviceModule->Get(XN_MODULE_PROPERTY_HIGH_RES_TIMESTAMPS, (XnProperty*&)pIntProp))
        {
            m_bHighresTimestamps = (pIntProp->GetValue() == TRUE);
        }
    }

    // TODO: create DEVICE node

    // now create the rest of the modules and streams (DEVICE was already created)
    XnPropertySetData* pPropSetData = pSet->pData;
    for (XnPropertySetData::ConstIterator it = pPropSetData->Begin(); it != pPropSetData->End(); ++it)
    {
        // ignore module DEVICE
        if (strcmp(XN_MODULE_NAME_DEVICE, it->Key()) == 0)
        {
            continue;
        }

        // check if this is a stream
        XnActualPropertiesHash::ConstIterator itProp = it->Value()->End();
        if (XN_STATUS_OK == it->Value()->Find(XN_STREAM_PROPERTY_TYPE, itProp))
        {
            XnActualStringProperty* pTypeProp = (XnActualStringProperty*)itProp->Value();
            nRetVal = HandleNewStream(pTypeProp->GetValue(), it->Key(), it->Value());
            XN_IS_STATUS_OK(nRetVal);
        }
    } // modules loop

    return (XN_STATUS_OK);
}

XN_DDK_API XnStatus XnPropertySetAddIntProperty(XnPropertySet* pSet, const XnChar* strModuleName, const XnChar* strProperty, XnUInt64 nValue)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XN_VALIDATE_INPUT_PTR(pSet);
	XN_VALIDATE_INPUT_PTR(strModuleName);
	XN_VALIDATE_INPUT_PTR(strProperty);

	// get module
	XnActualPropertiesHash* pModule = NULL;
	nRetVal = pSet->pData->Get(strModuleName, pModule);
	XN_IS_STATUS_OK(nRetVal);

	// add property
	nRetVal = pModule->Add(strProperty, nValue);
	XN_IS_STATUS_OK(nRetVal);

	return (XN_STATUS_OK);
}

XnStatus XnSensorStreamHelper::BatchConfig(const XnActualPropertiesHash& props)
{
	XnStatus nRetVal = XN_STATUS_OK;

	XnBool bShouldClose = FALSE;

	if (m_pStream->IsOpen())
	{
		// check if one of the properties requires to close the stream
		for (FirmareProperties::Iterator it = m_FirmwareProperties.Begin(); it != m_FirmwareProperties.End(); ++it)
		{
			if (!it->Value().bAllowWhileOpen)
			{
				XnProperty* pProp;
				if (XN_STATUS_OK == props.Get(it->Value().pStreamProp->GetName(), pProp))
				{
					bShouldClose = TRUE;
					break;
				}
			}
		}
	}

	if (bShouldClose)
	{
		xnLogVerbose(XN_MASK_DEVICE_SENSOR, "closing stream before batch config...");
		nRetVal = m_pStream->Close();
		XN_IS_STATUS_OK(nRetVal);
	}

	nRetVal = m_pStream->XnDeviceStream::BatchConfig(props);
	XN_IS_STATUS_OK(nRetVal);

	if (bShouldClose)
	{
		xnLogVerbose(XN_MASK_DEVICE_SENSOR, "re-opening stream after batch config...");
		nRetVal = m_pStream->Open();
		XN_IS_STATUS_OK(nRetVal);
	}
	
	return (XN_STATUS_OK);
}

XnStatus XnStreamReaderDevice::SetInitialState(const XnDeviceConfig* pDeviceConfig, XnPropertySet* pSet)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	// Fix state (remove some properties that we don't wish to reflect in reader device)
	XnActualPropertiesHash* pDeviceModule = NULL;
	if (XN_STATUS_OK == pSet->pData->Get(XN_MODULE_NAME_DEVICE, pDeviceModule))
	{
		pDeviceModule->Remove(XN_MODULE_PROPERTY_READ_WRITE_MODE);
		pDeviceModule->Remove(XN_MODULE_PROPERTY_PRIMARY_STREAM);
	}

	// now init base using this state (this will also create module DEVICE)
	XnDeviceConfig initConfig;
	initConfig.cpConnectionString = pDeviceConfig->cpConnectionString;
	initConfig.DeviceMode = pDeviceConfig->DeviceMode;
	initConfig.pInitialValues = pSet;
	initConfig.SharingMode = pDeviceConfig->SharingMode;

	nRetVal = XnStreamDevice::InitImpl(&initConfig);
	XN_IS_STATUS_OK(nRetVal);

	// now create the rest of the modules and streams (DEVICE was already created)
	XnPropertySetData* pPropSetData = pSet->pData;
	for (XnPropertySetData::ConstIterator it = pPropSetData->begin(); it != pPropSetData->end(); ++it)
	{
		// ignore module DEVICE
		if (strcmp(XN_MODULE_NAME_DEVICE, it.Key()) == 0)
		{
			continue;
		}

		// check if this is a stream
		XnActualPropertiesHash::ConstIterator itProp = it.Value()->end();
		if (XN_STATUS_OK == it.Value()->Find(XN_STREAM_PROPERTY_TYPE, itProp))
		{
			XnActualStringProperty* pTypeProp = (XnActualStringProperty*)itProp.Value();
			nRetVal = HandleNewStream(pTypeProp->GetValue(), it.Key(), it.Value());
			XN_IS_STATUS_OK(nRetVal);
		}
		else
		{
			// this is module. create it
			XnDeviceModuleHolder* pHolder = NULL;
			nRetVal = CreateModule(it.Key(), &pHolder);
			XN_IS_STATUS_OK(nRetVal);

			// set its props
			nRetVal = pHolder->Init(it.Value());
			if (nRetVal != XN_STATUS_OK)
			{
				DestroyModule(pHolder);
				return (nRetVal);
			}

			// and add it
			nRetVal = AddModule(pHolder);
			if (nRetVal != XN_STATUS_OK)
			{
				DestroyModule(pHolder);
				return (nRetVal);
			}
		}
	} // modules loop
	
	return (XN_STATUS_OK);
}

XnStatus XnServerSensorInvoker::OnStreamAdded(const XnChar* StreamName)
{
	XnStatus nRetVal = XN_STATUS_OK;

	// get all props
	XN_PROPERTY_SET_CREATE_ON_STACK(props);
	nRetVal = m_sensor.GetAllProperties(&props, FALSE, StreamName);
	XN_IS_STATUS_OK(nRetVal);

	// register to all props
	nRetVal = RegisterToProps(&props);
	XN_IS_STATUS_OK(nRetVal);

	XnActualPropertiesHash* pStreamProps = props.pData->Begin()->Value();

	// create stream data
	SensorInvokerStream serverStream;
	xnOSMemSet(&serverStream, 0, sizeof(serverStream));
	strcpy(serverStream.strType, StreamName);

	XN_VALIDATE_NEW(serverStream.pNewDataEvent, NewStreamDataEvent);

	// check if this is a frame stream
	XnProperty* pIsFrameBased;
	nRetVal = pStreamProps->Get(XN_STREAM_PROPERTY_IS_FRAME_BASED, pIsFrameBased);
	if (nRetVal == XN_STATUS_OK)
	{
		XnActualIntProperty* pIntProp = (XnActualIntProperty*)pIsFrameBased;
		serverStream.bFrameStream = (pIntProp->GetValue() == TRUE);
	}

	if (serverStream.bFrameStream)
	{
		// create the "shared memory name" property
		XN_VALIDATE_NEW(serverStream.pSharedMemoryName, XnActualStringProperty, XN_STREAM_PROPERTY_SHARED_BUFFER_NAME);

		// and add it to the stream
		XnDeviceStream* pStream;
		nRetVal = m_sensor.GetStream(StreamName, &pStream);
		if (nRetVal != XN_STATUS_OK)
		{
			XN_DELETE(serverStream.pNewDataEvent);
			XN_DELETE(serverStream.pSharedMemoryName);
			return nRetVal;
		}

		nRetVal = pStream->AddProperty(serverStream.pSharedMemoryName);
		if (nRetVal != XN_STATUS_OK)
		{
			XN_DELETE(serverStream.pNewDataEvent);
			XN_DELETE(serverStream.pSharedMemoryName);
			return nRetVal;
		}

		// create a shared memory buffer pool for it
		nRetVal = SetStreamSharedMemory(&serverStream);
		if (nRetVal != XN_STATUS_OK)
		{
			XN_DELETE(serverStream.pNewDataEvent);
			XN_DELETE(serverStream.pSharedMemoryName);
			return nRetVal;
		}
	}

	// create a stream data object for the stream
	nRetVal = m_sensor.CreateStreamData(StreamName, &serverStream.pStreamData);
	if (nRetVal != XN_STATUS_OK)
	{
		XN_DELETE(serverStream.pNewDataEvent);
		XN_DELETE(serverStream.pSharedMemoryName);
		return (nRetVal);
	}

	// and add it to our list of streams
	nRetVal = m_streams.Set(StreamName, serverStream);
	if (nRetVal != XN_STATUS_OK)
	{
		XN_DELETE(serverStream.pNewDataEvent);
		XN_DELETE(serverStream.pSharedMemoryName);
		return (nRetVal);
	}

	return (XN_STATUS_OK);
}