/****************************************************************************

* *

* 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 "XnExternalBufferPool.h"

//---------------------------------------------------------------------------

// Code

//---------------------------------------------------------------------------

XnExternalBufferPool::XnExternalBufferPool()

{

}

XnExternalBufferPool::~XnExternalBufferPool()

{

FreeAll(TRUE);

}

XnStatus XnExternalBufferPool::SetBuffers(XnUInt32 nCount, const XnGeneralBuffer* aBuffers)

{

XnStatus nRetVal = XN_STATUS_OK;

XN_VALIDATE_INPUT_PTR(aBuffers);

// make sure we have at least 3 buffers (user, stable and working)

if (nCount < 3)

{

XN_LOG_WARNING_RETURN(XN_STATUS_BAD_PARAM, XN_MASK_DDK, "ExternalBufferPool: at least 3 buffers are required!");

}

m_buffers.Clear();

// add buffers to the list

for (XnUInt32 i = 0; i < nCount; ++i)

{

nRetVal = m_buffers.AddLast(aBuffers[i]);

XN_IS_STATUS_OK(nRetVal);

}

return (XN_STATUS_OK);

}

XnStatus XnExternalBufferPool::AllocateBuffers(XnUInt32 nSize)

{

XnStatus nRetVal = XN_STATUS_OK;

// make sure all buffers are in the correct size

for (XnUInt32 i = 0; i < m_buffers.GetSize(); ++i)

{

if (m_buffers[i].nDataSize < nSize)

{

return XN_STATUS_ALLOC_FAILED;

}

}

// now "allocate" them

for (XnUInt32 i = 0; i < m_buffers.GetSize(); ++i)

{

nRetVal = AddNewBuffer(m_buffers[i].pData, m_buffers[i].nDataSize);

XN_IS_STATUS_OK(nRetVal);

}

return (XN_STATUS_OK);

}

void XnExternalBufferPool::DestroyBuffer(void* /*pBuffer*/)

{

}