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 XnDeviceBase::CreateStreamImpl(const XnChar* strType, const XnChar* strName, const XnActualPropertiesHash* pInitialSet) { XnStatus nRetVal = XN_STATUS_OK; xnLogInfo(XN_MASK_DDK, "Creating stream '%s' of type '%s'...", strName, strType); XnDeviceModule* pModule; if (FindModule(strName, &pModule) == XN_STATUS_OK) { // already exists. check sharing mode (when shared, we allow "creating" the same stream) if (GetSharingMode() != XN_DEVICE_SHARED || !IsStream(pModule) || strcmp(strType, ((XnDeviceStream*)pModule)->GetType()) != 0) { XN_LOG_WARNING_RETURN(XN_STATUS_STREAM_ALREADY_EXISTS, XN_MASK_DDK, "A stream with this name already exists!"); } // OK, we'll allow this. Just set new configuration if (pInitialSet != NULL) { nRetVal = pModule->BatchConfig(*pInitialSet); XN_IS_STATUS_OK(nRetVal); } } else { // create stream XnDeviceModuleHolder* pNewStreamHolder = NULL; nRetVal = CreateStreamModule(strType, strName, &pNewStreamHolder); XN_IS_STATUS_OK(nRetVal); XnDeviceStream* pNewStream = (XnDeviceStream*)(pNewStreamHolder->GetModule()); if (pNewStream == NULL) { DestroyStreamModule(pNewStreamHolder); XN_LOG_ERROR_RETURN(XN_STATUS_ERROR, XN_MASK_DDK, "Internal Error: Invalid new stream!"); } // initialize the stream xnLogVerbose(XN_MASK_DDK, "Initializing stream '%s'...", strName); nRetVal = pNewStreamHolder->Init(pInitialSet); if (nRetVal != XN_STATUS_OK) { DestroyStreamModule(pNewStreamHolder); return (nRetVal); } // set it's mirror value (if not requested otherwise) XnBool bSetMirror = TRUE; if (pInitialSet != NULL) { XnActualPropertiesHash::ConstIterator it = pInitialSet->end(); if (XN_STATUS_OK == pInitialSet->Find(XN_MODULE_PROPERTY_MIRROR, it)) { bSetMirror = FALSE; } } if (bSetMirror) { nRetVal = pNewStream->SetMirror((XnBool)m_DeviceMirror.GetValue()); if (nRetVal != XN_STATUS_OK) { DestroyStreamModule(pNewStreamHolder); return (nRetVal); } } // add it to the list of existing modules nRetVal = AddModule(pNewStreamHolder); if (nRetVal != XN_STATUS_OK) { DestroyStreamModule(pNewStreamHolder); return (nRetVal); } xnLogInfo(XN_MASK_DDK, "Stream '%s' was initialized.", strName); nRetVal = StreamAdded(pNewStream); XN_IS_STATUS_OK(nRetVal); xnLogInfo(XN_MASK_DDK, "'%s' stream was created.", strName); } return (XN_STATUS_OK); }