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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 "Xn16zEmbTablesCodec.h"
#include "XnStreamCompression.h"
#include <XnCodecIDs.h>
#include <XnLog.h>
/***********************/
/* Xn16zEmbTablesCodec */
/***********************/
Xn16zEmbTablesCodec::Xn16zEmbTablesCodec() : m_nMaxValue(0)
{
}
XnCodecID Xn16zEmbTablesCodec::GetCodecID() const
{
return XN_CODEC_16Z_EMB_TABLES;
}
XnStatus Xn16zEmbTablesCodec::Init(const ProductionNode& node)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = XnCodec::Init(node);
XN_IS_STATUS_OK_LOG_ERROR("Init codec", nRetVal);
if (node.GetInfo().GetDescription().Type != XN_NODE_TYPE_DEPTH)
{
XN_LOG_ERROR_RETURN(XN_STATUS_BAD_PARAM, XN_MASK_OPEN_NI, "Codec 16z with embedded tables requires a depth node!");
}
DepthGenerator depth(node);
m_nMaxValue = depth.GetDeviceMaxDepth();
return (XN_STATUS_OK);
}
XnFloat Xn16zEmbTablesCodec::GetWorseCompressionRatio() const
{
return XN_STREAM_COMPRESSION_DEPTH16Z_WORSE_RATIO;
}
XnUInt32 Xn16zEmbTablesCodec::GetOverheadSize() const
{
return m_nMaxValue * sizeof(XnUInt16);
}
XnStatus Xn16zEmbTablesCodec::CompressImpl(const XnUChar* pData, XnUInt32 nDataSize, XnUChar* pCompressedData, XnUInt32* pnCompressedDataSize) const
{
return XnStreamCompressDepth16ZWithEmbTable((XnUInt16*)pData, nDataSize, pCompressedData, pnCompressedDataSize, m_nMaxValue);
}
XnStatus Xn16zEmbTablesCodec::DecompressImpl(const XnUChar* pCompressedData, XnUInt32 nCompressedDataSize, XnUChar* pData, XnUInt32* pnDataSize) const
{
return XnStreamUncompressDepth16ZWithEmbTable(pCompressedData, nCompressedDataSize, (XnUInt16*)pData, pnDataSize);
}
/*****************************/
/* Exported16zEmbTablesCodec */
/*****************************/
Exported16zEmbTablesCodec::Exported16zEmbTablesCodec() : ExportedCodec(XN_CODEC_16Z_EMB_TABLES)
{
}
XnCodec* Exported16zEmbTablesCodec::CreateCodec()
{
return XN_NEW(Xn16zEmbTablesCodec);
}
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