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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/>.*
* *
****************************************************************************/
#ifndef __XN_CODEC_BASE_H__
#define __XN_CODEC_BASE_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnCodec.h"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
class XN_FORMATS_CPP_API XnCodecBase : public XnCodec
{
public:
static XnCompressionFormats GetCompressionFormatFromCodecID(XnCodecID codecID);
static XnCodecID GetCodecIDFromCompressionFormat(XnCompressionFormats format);
XnCodecBase() {}
virtual ~XnCodecBase() {}
virtual XnStatus Init() { return XN_STATUS_OK; }
virtual XnCompressionFormats GetCompressionFormat() const = 0;
XnStatus Compress(const XnUChar* pData, XnUInt32 nDataSize, XnUChar* pCompressedData, XnUInt32* pnCompressedDataSize)
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_INPUT_PTR(pData);
XN_VALIDATE_INPUT_PTR(pCompressedData);
XN_VALIDATE_OUTPUT_PTR(pnCompressedDataSize);
if ((nDataSize * GetWorseCompressionRatio() + GetOverheadSize()) > *pnCompressedDataSize)
{
return XN_STATUS_OUTPUT_BUFFER_OVERFLOW;
}
nRetVal = CompressImpl(pData, nDataSize, pCompressedData, pnCompressedDataSize);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
XnStatus Decompress(const XnUChar* pCompressedData, XnUInt32 nCompressedDataSize, XnUChar* pData, XnUInt32* pnDataSize)
{
XnStatus nRetVal = XN_STATUS_OK;
XN_VALIDATE_INPUT_PTR(pCompressedData);
XN_VALIDATE_INPUT_PTR(pData);
XN_VALIDATE_OUTPUT_PTR(pnDataSize);
nRetVal = DecompressImpl(pCompressedData, nCompressedDataSize, pData, pnDataSize);
XN_IS_STATUS_OK(nRetVal);
return (XN_STATUS_OK);
}
virtual XnUInt32 GetOverheadSize() const = 0;
virtual XnFloat GetWorseCompressionRatio() const = 0;
protected:
virtual XnStatus CompressImpl(const XnUChar* pData, XnUInt32 nDataSize, XnUChar* pCompressedData, XnUInt32* pnCompressedDataSize) = 0;
virtual XnStatus DecompressImpl(const XnUChar* pCompressedData, XnUInt32 nCompressedDataSize, XnUChar* pData, XnUInt32* pnDataSize) = 0;
};
#endif // __XN_CODEC_BASE_H__
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