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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 "XnStreamDevice.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnStreamDevice::XnStreamDevice(const XnChar* strName, XnUInt32 nInternalBufferSize) :
XnDeviceBase(strName, FALSE),
m_pDataPacker(NULL),
m_nInternalBufferSize(nInternalBufferSize)
{}
XnStreamDevice::~XnStreamDevice()
{
DestroyImpl(FALSE);
}
XnStatus XnStreamDevice::Destroy()
{
XnDeviceBase::Destroy();
DestroyImpl(TRUE);
return XN_STATUS_OK;
}
void XnStreamDevice::DestroyImpl(XnBool bHasVTable)
{
if (m_pDataPacker != NULL)
{
XN_DELETE(m_pDataPacker);
m_pDataPacker = NULL;
}
if (m_pIOStream != NULL && bHasVTable)
{
// we can't destroy IO stream if we no longer have V-table
DestroyIOStreamImpl(m_pIOStream);
m_pIOStream = NULL;
}
}
XnStatus XnStreamDevice::Seek(XnUInt64 /*nTimestamp*/)
{
return XN_STATUS_IO_DEVICE_FUNCTION_NOT_SUPPORTED;
}
XnStatus XnStreamDevice::SeekFrame(XnUInt32 /*nFrameID*/)
{
return XN_STATUS_IO_DEVICE_FUNCTION_NOT_SUPPORTED;
}
XnStatus XnStreamDevice::InitPacker(const XnChar *strConnectionString)
{
XnStatus nRetVal = XN_STATUS_OK;
// create the stream
nRetVal = CreateIOStreamImpl(strConnectionString, m_pIOStream);
XN_IS_STATUS_OK(nRetVal);
// create the data packer
m_pDataPacker = XN_NEW(XnDataPacker, m_pIOStream, m_nInternalBufferSize);
if (m_pDataPacker == NULL)
{
DestroyIOStreamImpl(m_pIOStream);
return XN_STATUS_ALLOC_FAILED;
}
nRetVal = m_pDataPacker->Init();
if (nRetVal != XN_STATUS_OK)
{
DestroyIOStreamImpl(m_pIOStream);
return (nRetVal);
}
return (XN_STATUS_OK);
}
XnStatus XnStreamDevice::FindStream(const XnChar *strName, XnStreamDeviceStreamHolder **ppHolder)
{
XnStatus nRetVal = XN_STATUS_OK;
XnDeviceModuleHolder* pHolder;
nRetVal = XnDeviceBase::FindStream(strName, &pHolder);
XN_IS_STATUS_OK(nRetVal);
// we create all streams, so we know their type
*ppHolder = (XnStreamDeviceStreamHolder*)pHolder;
return (XN_STATUS_OK);
}
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