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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 "XnOniStream.h"
#include "DDK/XnFrameStream.h"
//---------------------------------------------------------------------------
// XnOniStream class
//---------------------------------------------------------------------------
XnOniStream::XnOniStream(XnSensor* pSensor, const XnChar* strName, OniSensorType sensorType, XnOniDevice* pDevice) :
m_sensorType(sensorType),
m_pSensor(pSensor),
m_strType(strName),
m_pDevice(pDevice),
m_started(FALSE)
{
}
XnOniStream::~XnOniStream()
{
destroy();
}
XnStatus XnOniStream::Init()
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = m_pSensor->CreateStream(m_strType, m_strType, NULL);
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_pSensor->RegisterToNewStreamData(OnNewStreamDataEventHandler, this, m_hNewDataCallback);
XN_IS_STATUS_OK(nRetVal);
nRetVal = m_pSensor->GetStream(m_strType, &m_pDeviceStream);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
void XnOniStream::destroy()
{
stop();
m_pSensor->UnregisterFromNewStreamData(m_hNewDataCallback);
m_pSensor->DestroyStream(m_strType);
}
void XnOniStream::setServices(oni::driver::StreamServices* pStreamServices)
{
oni::driver::StreamBase::setServices(pStreamServices);
m_pDeviceStream->SetServices(*pStreamServices);
}
OniStatus XnOniStream::start()
{
XnStatus nRetVal = ONI_STATUS_OK;
if (!m_started)
{
// first lock the stream (so that IsOpen() and Open() will be an atomic action)
xnl::AutoCSLocker locker(*m_pDeviceStream->GetOpenLock());
if (m_pDeviceStream->IsOpen())
{
m_pDeviceStream->OpenAddRef();
}
else
{
nRetVal = m_pDeviceStream->Open();
XN_IS_STATUS_OK_RET(nRetVal, ONI_STATUS_ERROR);
}
m_started = TRUE;
}
return ONI_STATUS_OK;
}
void XnOniStream::stop()
{
if (m_started)
{
m_started = FALSE;
// first lock the stream (so that OpenDecRef() and Close() will be an atomic action)
xnl::AutoCSLocker locker(*m_pDeviceStream->GetOpenLock());
if (0 == m_pDeviceStream->OpenDecRef())
{
m_pDeviceStream->Close();
}
}
}
OniStatus XnOniStream::getProperty(int propertyId, void* data, int* pDataSize)
{
XnStatus nRetVal = m_pDeviceStream->GetProperty(propertyId, data, pDataSize);
if (nRetVal != XN_STATUS_OK)
{
return ONI_STATUS_BAD_PARAMETER;
}
return ONI_STATUS_OK;
}
OniStatus XnOniStream::setProperty(int propertyId, const void* data, int dataSize)
{
xnl::AutoCSLocker locker(*m_pDeviceStream->GetOpenLock());
// if this stream is open, and not just by me (multiple depth streams for example), don't allow any changes
XnUInt32 myOpenRefCount = m_started ? 1 : 0;
if (m_pDeviceStream->GetOpenRefCount() > myOpenRefCount)
{
return ONI_STATUS_OUT_OF_FLOW;
}
else
{
XnStatus nRetVal = SetPropertyImpl(propertyId, data, dataSize);
switch(nRetVal)
{
case XN_STATUS_OK:
return ONI_STATUS_OK;
case XN_STATUS_DEVICE_PROPERTY_BAD_TYPE:
return ONI_STATUS_BAD_PARAMETER;
case XN_STATUS_BAD_PARAM:
case XN_STATUS_DEVICE_BAD_PARAM:
default:
return ONI_STATUS_NOT_SUPPORTED;
}
}
}
XnStatus XnOniStream::SetPropertyImpl(int propertyId, const void* data, int dataSize)
{
return m_pDeviceStream->SetProperty(propertyId, data, dataSize);
}
OniBool XnOniStream::isPropertySupported(int propertyId)
{
XnBool exists;
m_pDeviceStream->DoesPropertyExist(propertyId, &exists);
return (exists == TRUE);
}
void XN_CALLBACK_TYPE XnOniStream::OnNewStreamDataEventHandler(const XnNewStreamDataEventArgs& args, void* pCookie)
{
XnOniStream* pThis = (XnOniStream*)pCookie;
if (pThis->m_started && strcmp(args.strStreamName, pThis->m_strType) == 0)
{
pThis->raiseNewFrame(args.pFrame);
}
}
int XnOniStream::getRequiredFrameSize()
{
return m_pDeviceStream->GetRequiredDataSize();
}
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