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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI 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. *
* *
* OpenNI 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 OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "DefaultTrackingInitializer.h"
DefaultTrackingInitializer::DefaultTrackingInitializer(xn::UserGenerator *pUserGenerator) :
TrackingInitializer(pUserGenerator),
m_hCalibrationStartCallback(NULL),
m_hCalibrationCompleteCallback(NULL),
m_hInProgressCallback(NULL)
{
if(m_pUserGenerator->IsCapabilitySupported(XN_CAPABILITY_SKELETON)==FALSE)
{
m_bValid=FALSE;
return; // we need a skeleton, otherwise, we don't have calibration
}
XnStatus res=m_pUserGenerator->GetSkeletonCap().RegisterToCalibrationStart(CalibrationStartCallback,this,m_hCalibrationStartCallback);
if(res!=XN_STATUS_OK)
{
m_hCalibrationStartCallback=NULL;
m_bValid=FALSE;
return; // if we can't register to the calibration, we shouldn't do anything
}
res=m_pUserGenerator->GetSkeletonCap().RegisterToCalibrationComplete(CalibrationCompleteCallback,this,m_hCalibrationStartCallback);
if(res!=XN_STATUS_OK)
{
m_hCalibrationStartCallback=NULL;
m_bValid=FALSE;
return; // if we can't register to the calibration, we shouldn't do anything
}
res=m_pUserGenerator->GetSkeletonCap().RegisterToCalibrationInProgress(CalibrationInProgressCallback,this,m_hInProgressCallback);
if(res!=XN_STATUS_OK)
{
m_hInProgressCallback=NULL;
m_bValid=FALSE;
return; // if we can't register to the calibration, we shouldn't do anything
}
}
DefaultTrackingInitializer::~DefaultTrackingInitializer()
{
// clean up
if(m_pUserGenerator==NULL)
return;
if(m_hCalibrationStartCallback!=NULL)
{
m_pUserGenerator->GetSkeletonCap().UnregisterFromCalibrationStart(m_hCalibrationStartCallback);
m_hCalibrationStartCallback=NULL;
}
if(m_hCalibrationCompleteCallback!=NULL)
{
m_pUserGenerator->GetSkeletonCap().UnregisterFromCalibrationComplete(m_hCalibrationCompleteCallback);
m_hCalibrationCompleteCallback=NULL;
}
if(m_hInProgressCallback!=NULL)
{
m_pUserGenerator->GetSkeletonCap().UnregisterFromCalibrationInProgress(m_hInProgressCallback);
m_hInProgressCallback=NULL;
}
}
XnStatus DefaultTrackingInitializer::StartTracking(XnUserID nUserId, XnBool bForce)
{
if(m_pUserGenerator->GetSkeletonCap().IsTracking(nUserId)==TRUE)
{
// we don't need to do anything (other than notifying the user selector) as we are
// already tracking
if(m_pUserSelector!=NULL)
{
return m_pUserSelector->UpdateUserTracking(nUserId,TRUE,0); // already tracking
}
else
return XN_STATUS_OK;
}
// request calibration.
return m_pUserGenerator->GetSkeletonCap().RequestCalibration(nUserId,bForce);
}
XnStatus DefaultTrackingInitializer::AbortTracking(XnUserID nUserId)
{
// note: the assumption is that this will not be called if not either calibrating or
// tracking (although it will just fail if neither).
if(m_pUserGenerator->GetSkeletonCap().IsTracking(nUserId)==TRUE)
{
// if we are tracking we just need to stop tracking
XnStatus res=m_pUserGenerator->GetSkeletonCap().StopTracking(nUserId);
return res;
}
// if we are not tracking we need to abort the calibration.
return m_pUserGenerator->GetSkeletonCap().AbortCalibration(nUserId);
}
XnStatus DefaultTrackingInitializer::CalibrationStart(XnUserID /*nUserId*/)
{
return XN_STATUS_OK;
}
XnStatus DefaultTrackingInitializer::CalibrationComplete(XnUserID nUserId,XnCalibrationStatus eStatus)
{
XnBool retVal=FALSE;
if (eStatus == XN_CALIBRATION_STATUS_OK)
{
// we start the actual tracking!
if(m_pUserGenerator->GetSkeletonCap().StartTracking(nUserId)==XN_STATUS_OK)
{
retVal=TRUE;
}
}
if(m_pUserSelector!=NULL)
{
return m_pUserSelector->UpdateUserTracking(nUserId,retVal,eStatus);
}
return XN_STATUS_OK;
}
XnStatus DefaultTrackingInitializer::CalibrationInProgress(XnUserID nUserId,XnCalibrationStatus eStatus)
{
if(m_pUserSelector!=NULL)
return m_pUserSelector->UpdateUserTrackingProgress(nUserId,eStatus);
return XN_STATUS_OK;
}
// Callback: Started calibration
void XN_CALLBACK_TYPE DefaultTrackingInitializer::CalibrationStartCallback(xn::SkeletonCapability& /*capability*/, XnUserID nUserId, void* pCookie)
{
DefaultTrackingInitializer *pDefaultTrackingInitializer=(DefaultTrackingInitializer *)pCookie;
pDefaultTrackingInitializer->CalibrationStart(nUserId);
}
void XN_CALLBACK_TYPE DefaultTrackingInitializer::CalibrationCompleteCallback(xn::SkeletonCapability& /*capability*/, XnUserID nUserId, XnCalibrationStatus eStatus, void* pCookie)
{
DefaultTrackingInitializer *pDefaultTrackingInitializer=(DefaultTrackingInitializer *)pCookie;
pDefaultTrackingInitializer->CalibrationComplete(nUserId,eStatus);
}
void XN_CALLBACK_TYPE DefaultTrackingInitializer::CalibrationInProgressCallback(xn::SkeletonCapability& /*capability*/, XnUserID nUserId, XnCalibrationStatus eStatus, void* pCookie)
{
DefaultTrackingInitializer *pDefaultTrackingInitializer=(DefaultTrackingInitializer *)pCookie;
pDefaultTrackingInitializer->CalibrationInProgress(nUserId,eStatus);
}
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