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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/>. *
* *
****************************************************************************/
#include "XnCodec.h"
#include <XnLog.h>
XnCodec::XnCodec()
{
}
XnCodec::~XnCodec()
{
}
XnStatus XnCodec::Init(const ProductionNode& /*node*/)
{
return XN_STATUS_OK;
}
XnStatus XnCodec::CompressData(const void* pSrc, XnUInt32 nSrcSize, void* pDst, XnUInt32 nDstSize, XnUInt* pnBytesWritten) const
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_INPUT_PTR(pSrc);
XN_VALIDATE_INPUT_PTR(pDst);
XN_VALIDATE_OUTPUT_PTR(pnBytesWritten);
if ((nSrcSize * GetWorseCompressionRatio() + GetOverheadSize()) > nDstSize)
{
XN_LOG_ERROR_RETURN(XN_STATUS_OUTPUT_BUFFER_OVERFLOW, XN_MASK_OPEN_NI, "Can't compress data - destination buffer is not large enough");
}
nRetVal = CompressImpl((const XnUChar*)pSrc, nSrcSize, (XnUChar*)pDst, &nDstSize);
XN_IS_STATUS_OK_LOG_ERROR("Compress", nRetVal);
*pnBytesWritten = nDstSize;
return (XN_STATUS_OK);
}
XnStatus XnCodec::DecompressData(const void* pSrc, XnUInt32 nSrcSize, void* pDst, XnUInt32 nDstSize, XnUInt* pnBytesWritten) const
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_INPUT_PTR(pSrc);
XN_VALIDATE_INPUT_PTR(pDst);
XN_VALIDATE_OUTPUT_PTR(pnBytesWritten);
nRetVal = DecompressImpl((const XnUChar*)pSrc, nSrcSize, (XnUChar*)pDst, &nDstSize);
XN_IS_STATUS_OK_LOG_ERROR("Decompress", nRetVal);
*pnBytesWritten = nDstSize;
return (XN_STATUS_OK);
}
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