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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnSensorGenerator.h"
//---------------------------------------------------------------------------
// XnSensorGenerator class
//---------------------------------------------------------------------------
XnSensorGenerator::XnSensorGenerator(xn::Context& context, xn::Device& sensor, XnDeviceBase* pSensor, const XnChar* strStreamName) :
XnSensorProductionNode(context, strStreamName, pSensor, strStreamName),
m_pStreamData(NULL),
m_device(sensor)
{}
XnSensorGenerator::~XnSensorGenerator()
{
m_pSensor->DestroyStreamData(&m_pStreamData);
}
XnStatus XnSensorGenerator::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = m_pSensor->GetProperty(XN_MODULE_NAME_DEVICE, XN_MODULE_PROPERTY_VERSION, XN_PACK_GENERAL_BUFFER(m_Version));
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_pSensor->CreateStreamData(m_strModule, &m_pStreamData);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnBool XnSensorGenerator::IsCapabilitySupported(const XnChar* strCapabilityName)
{
return (strcmp(strCapabilityName, XN_CAPABILITY_MIRROR) == 0 ||
XnSensorProductionNode::IsCapabilitySupported(strCapabilityName));
}
XnStatus XnSensorGenerator::StartGenerating()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = m_pSensor->OpenStream(m_strModule);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnBool XnSensorGenerator::IsGenerating()
{
XnUInt64 nValue = FALSE;
m_pSensor->GetProperty(m_strModule, XN_STREAM_PROPERTY_STATE, &nValue);
return (XnBool)nValue;
}
void XnSensorGenerator::StopGenerating()
{
m_pSensor->CloseStream(m_strModule);
}
XnStatus XnSensorGenerator::RegisterToGenerationRunningChange(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
const XnChar* aProps[] =
{
XN_STREAM_PROPERTY_STATE,
NULL
};
return RegisterToProps(handler, pCookie, hCallback, aProps);
}
void XnSensorGenerator::UnregisterFromGenerationRunningChange(XnCallbackHandle hCallback)
{
UnregisterFromProps(hCallback);
}
XnStatus XnSensorGenerator::RegisterToNewDataAvailable(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
XnStatus nRetVal = XN_STATUS_OK;
NewDataCallback* pNewDataCallback;
XN_VALIDATE_NEW(pNewDataCallback, NewDataCallback, this, handler, pCookie);
hCallback = pNewDataCallback;
nRetVal = m_pSensor->RegisterToNewStreamData(&OnDeviceNewStreamData, pNewDataCallback, &(pNewDataCallback->m_hCallback));
if (nRetVal != XN_STATUS_OK)
{
XN_DELETE(pNewDataCallback);
return nRetVal;
}
return XN_STATUS_OK;
}
void XnSensorGenerator::UnregisterFromNewDataAvailable(XnCallbackHandle hCallback)
{
NewDataCallback *pNewDataCallback = (NewDataCallback*)hCallback;
m_pSensor->UnregisterFromNewStreamData(pNewDataCallback->m_hCallback);
XN_DELETE(pNewDataCallback);
}
XnBool XnSensorGenerator::IsNewDataAvailable(XnUInt64& nTimestamp)
{
XnBool bResult = FALSE;
m_pSensor->IsNewDataAvailable(m_strModule, &bResult, &nTimestamp);
return bResult;
}
XnStatus XnSensorGenerator::UpdateData()
{
return m_pSensor->ReadStream(m_pStreamData);
}
XnUInt32 XnSensorGenerator::GetDataSize()
{
return m_pStreamData->nDataSize;
}
XnUInt64 XnSensorGenerator::GetTimestamp()
{
return m_pStreamData->nTimestamp;
}
XnUInt32 XnSensorGenerator::GetFrameID()
{
return m_pStreamData->nFrameID;
}
XnStatus XnSensorGenerator::SetMirror(XnBool bMirror)
{
if (bMirror != IsMirrored())
{
return m_pSensor->SetProperty(m_strModule, XN_MODULE_PROPERTY_MIRROR, (XnUInt64)bMirror);
}
else
{
return (XN_STATUS_OK);
}
}
XnBool XnSensorGenerator::IsMirrored()
{
XnUInt64 nValue;
m_pSensor->GetProperty(m_strModule, XN_MODULE_PROPERTY_MIRROR, &nValue);
return (XnBool)nValue;
}
XnStatus XnSensorGenerator::RegisterToMirrorChange(XnModuleStateChangedHandler handler, void* pCookie, XnCallbackHandle& hCallback)
{
const XnChar* aProps[] =
{
XN_MODULE_PROPERTY_MIRROR,
NULL
};
return RegisterToProps(handler, pCookie, hCallback, aProps);
}
void XnSensorGenerator::UnregisterFromMirrorChange(XnCallbackHandle hCallback)
{
UnregisterFromProps(hCallback);
}
void XnSensorGenerator::FilterProperties(XnActualPropertiesHash* pHash)
{
XnSensorProductionNode::FilterProperties(pHash);
pHash->Remove(XN_MODULE_PROPERTY_MIRROR);
pHash->Remove(XN_STREAM_PROPERTY_STATE);
}
void XN_CALLBACK_TYPE XnSensorGenerator::OnDeviceNewStreamData(XnDeviceHandle /*pDeviceHandle*/, const XnChar* StreamName, void* pCookie)
{
NewDataCallback *pNewDataCBParams = (NewDataCallback*)pCookie;
if (strcmp(pNewDataCBParams->m_pGenerator->m_strInstanceName, StreamName) == 0)
{
pNewDataCBParams->m_handler(pNewDataCBParams->m_pCookie);
}
}
const void* XnSensorGenerator::GetData()
{
return m_pStreamData->pData;
}
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