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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 "ExitPoseDetector.h"
#define CROSS_HANDS_POSE "CrossHandsPose"
ExitPoseDetector::ExitPoseDetector(xn::UserGenerator userGenNode) : m_hPoseDetectCallback(NULL),
m_hPoseOutOfPoseDetectCallback(NULL),
m_hUserCallbacks(NULL),
m_userGenerator(userGenNode),
m_bValid(FALSE)
{
if(!m_userGenerator.IsCapabilitySupported(XN_CAPABILITY_POSE_DETECTION))
{
return;
}
xn::PoseDetectionCapability cap=m_userGenerator.GetPoseDetectionCap();
if(!cap.IsPoseSupported(CROSS_HANDS_POSE))
{
return; // we need this pose to continue...
}
if(cap.RegisterToPoseDetected(PoseDetectedCallback,this,m_hPoseDetectCallback)!=XN_STATUS_OK)
{
m_hPoseDetectCallback=NULL;
return;
}
if(cap.RegisterToOutOfPose(OutOfPoseDetectedCallback,this,m_hPoseOutOfPoseDetectCallback)!=XN_STATUS_OK)
{
m_hPoseOutOfPoseDetectCallback=NULL;
return;
}
if(m_userGenerator.RegisterUserCallbacks(NewUserCallback,LostUserCallback,this,m_hUserCallbacks)!=XN_STATUS_OK)
{
m_hUserCallbacks=NULL;
return;
}
m_bValid=TRUE;
}
ExitPoseDetector::~ExitPoseDetector()
{
m_bValid=FALSE;
if(m_hUserCallbacks!=NULL)
{
m_userGenerator.UnregisterUserCallbacks(m_hUserCallbacks);
m_hUserCallbacks=NULL;
}
if(!m_userGenerator.IsCapabilitySupported(XN_CAPABILITY_POSE_DETECTION))
{
return;
}
xn::PoseDetectionCapability cap=m_userGenerator.GetPoseDetectionCap();
if(m_hPoseDetectCallback!=NULL)
{
cap.UnregisterFromPoseDetected(m_hPoseDetectCallback);
m_hPoseDetectCallback=NULL;
}
if(m_hPoseOutOfPoseDetectCallback!=NULL)
{
cap.UnregisterFromOutOfPose(m_hPoseOutOfPoseDetectCallback);
m_hPoseOutOfPoseDetectCallback=NULL;
}
}
XnUInt64 ExitPoseDetector::GetExitPoseTimeStamp(XnUserID nUserId)
{
if(nUserId==0)
{
XnUInt64 maxTime=0;
for(UserExitPoseTimes::Iterator iter=m_userExitPoseTimes.Begin(); iter!=m_userExitPoseTimes.End(); ++iter)
{
XnUInt64 userTime=iter->Value();
if(userTime>maxTime)
{
maxTime=userTime;
}
}
return maxTime;
}
// we have an actual user
XnUInt64 userTime;
if(m_userExitPoseTimes.Get(nUserId,userTime)!=XN_STATUS_OK)
{
return 0; // no user data
}
return userTime;
}
void XN_CALLBACK_TYPE ExitPoseDetector::PoseDetectedCallback(xn::PoseDetectionCapability& /*capability*/, const XnChar* strPose, XnUserID nUserId, void* pCookie)
{
if(xnOSStrCmp(strPose,CROSS_HANDS_POSE)!=0)
{
return; // irrelevant pose
}
ExitPoseDetector *detector=(ExitPoseDetector *)pCookie;
XnUInt64 tmpTime;
if(detector->m_userExitPoseTimes.Get(nUserId,tmpTime)!=XN_STATUS_OK || tmpTime==0)
{
tmpTime=detector->m_userGenerator.GetTimestamp();
detector->m_userExitPoseTimes.Set(nUserId,tmpTime);
}
}
void XN_CALLBACK_TYPE ExitPoseDetector::OutOfPoseDetectedCallback(xn::PoseDetectionCapability& /*capability*/, const XnChar* strPose, XnUserID nUserId, void* pCookie)
{
if(xnOSStrCmp(strPose,CROSS_HANDS_POSE)!=0)
{
return; // irrelevant pose
}
ExitPoseDetector *detector=(ExitPoseDetector *)pCookie;
XnUInt64 tmpTime=0;
detector->m_userExitPoseTimes.Set(nUserId,tmpTime); // we are not in pose any more.
}
void XN_CALLBACK_TYPE ExitPoseDetector::NewUserCallback(xn::UserGenerator& /*generator*/, XnUserID nUserId, void* pCookie)
{
ExitPoseDetector *detector=(ExitPoseDetector *)pCookie;
detector->m_userGenerator.GetPoseDetectionCap().StartPoseDetection(CROSS_HANDS_POSE,nUserId);
}
void XN_CALLBACK_TYPE ExitPoseDetector::LostUserCallback(xn::UserGenerator& /*generator*/, XnUserID nUserId, void* pCookie)
{
ExitPoseDetector *detector=(ExitPoseDetector *)pCookie;
detector->m_userExitPoseTimes.Remove(nUserId);
}
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