Method AddModule

Source/OpenNI/XnModuleLoader.cpp:380–442

}

XnStatus XnModuleLoader::AddModule(XnOpenNIModuleInterface* pInterface, const XnChar* strConfigDir, const XnChar* strName)
{
	XnStatus nRetVal = XN_STATUS_OK;
	
	// get OpenNI Version
	XnVersion openNIVersion;
	pInterface->pGetVersionFunc(&openNIVersion);

	if (m_loadingMode == LOADING_MODE_PRINT)
	{
		XnChar strOpenNIVersion[100];
		xnVersionToString(&openNIVersion, strOpenNIVersion, 100);
		printf("(compiled with OpenNI %s):\n", strOpenNIVersion);
	}

	// load Module
	nRetVal = pInterface->pLoadFunc();
	if (nRetVal != XN_STATUS_OK)
	{
		xnLogWarning(XN_MASK_MODULE_LOADER, "'%s' load function failed. Error code: 0x%x", strName, nRetVal);
		return (nRetVal);
	}

	// take the number of generators
	XnUInt32 nCount = pInterface->pGetCountFunc();

	// allocate entry points array
	XnModuleGetExportedInterfacePtr* aEntryPoints;
	XN_VALIDATE_CALLOC(aEntryPoints, XnModuleGetExportedInterfacePtr, nCount);

	// fill it
	nRetVal = pInterface->pGetEntryPointsFunc(aEntryPoints, nCount);
	if (nRetVal != XN_STATUS_OK)
	{
		xnLogWarning(XN_MASK_MODULE_LOADER, "'%s' - failed to get exported nodes. Error code: 0x%x", strName, nRetVal);
		xnOSFree(aEntryPoints);
		return (nRetVal);
	}

	// now add every exported node
	for (XnUInt32 i = 0; i < nCount; ++i)
	{
		// get exported interface
		XnModuleExportedProductionNodeInterface ExportedInterface;
		aEntryPoints[i](&ExportedInterface);

		nRetVal = AddExportedNode(openNIVersion, &ExportedInterface, strConfigDir);
		if (nRetVal == XN_STATUS_INVALID_GENERATOR)
		{
			// if it failed, then this specific generator is not loaded, but the rest should be loaded anyway.
			xnLogWarning(XN_MASK_MODULE_LOADER, "Failed to add generator %d from module '%s'", i, strName);
		}
		else if (nRetVal != XN_STATUS_OK)
		{
			xnOSFree(aEntryPoints);
			return (nRetVal);
		}
	}