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/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnFrameStream.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnFrameStream::XnFrameStream(const XnChar* csType, const XnChar* csName) :
XnDeviceStream(csType, csName),
m_nLastReadFrame(0),
m_IsFrameStream(XN_STREAM_PROPERTY_IS_FRAME_BASED, "IsFrameBased", TRUE),
m_FPS(XN_STREAM_PROPERTY_FPS, "FPS", 0)
{
m_FPS.UpdateSetCallback(SetFPSCallback, this);
}
XnStatus XnFrameStream::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
// init base
nRetVal = XnDeviceStream::Init();
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_bufferManager.Init();
XN_IS_STATUS_OK(nRetVal);
// register for new data events
m_bufferManager.SetNewFrameCallback(OnTripleBufferNewData, this);
XN_VALIDATE_ADD_PROPERTIES(this, &m_IsFrameStream, &m_FPS );
return (XN_STATUS_OK);
}
XnStatus XnFrameStream::StartBufferManager(XnFrameBufferManager** pBufferManager)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = m_bufferManager.Start(GetServices());
XN_IS_STATUS_OK(nRetVal);
*pBufferManager = &m_bufferManager;
return (XN_STATUS_OK);
}
XnStatus XnFrameStream::Free()
{
m_bufferManager.Free();
XnDeviceStream::Free();
return (XN_STATUS_OK);
}
XnStatus XnFrameStream::SetFPS(XnUInt32 nFPS)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = m_FPS.UnsafeUpdateValue(nFPS);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus XN_CALLBACK_TYPE XnFrameStream::SetFPSCallback(XnActualIntProperty* /*pSender*/, XnUInt64 nValue, void* pCookie)
{
XnFrameStream* pThis = (XnFrameStream*)pCookie;
return pThis->SetFPS((XnUInt32)nValue);
}
void XN_CALLBACK_TYPE XnFrameStream::OnTripleBufferNewData(OniFrame* pFrame, void* pCookie)
{
XnFrameStream* pThis = (XnFrameStream*)pCookie;
pThis->NewDataAvailable(pFrame);
}
XnStatus XnFrameStream::Close()
{
m_bufferManager.Stop();
return XnDeviceStream::Close();
}
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