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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/>. *
* *
****************************************************************************/
#ifndef __XN_JPEG_CODEC_H__
#define __XN_JPEG_CODEC_H__
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnCodec.h"
#include "XnStreamCompression.h"
#include "ExportedCodec.h"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
class XnJpegCodec : public XnCodec
{
public:
XnJpegCodec();
virtual ~XnJpegCodec();
virtual XnCodecID GetCodecID() const;
virtual XnStatus Init(const ProductionNode& node);
virtual XnFloat GetWorseCompressionRatio() const;
virtual XnUInt32 GetOverheadSize() const;
protected:
virtual XnStatus CompressImpl(const XnUChar* pData, XnUInt32 nDataSize, XnUChar* pCompressedData, XnUInt32* pnCompressedDataSize) const;
virtual XnStatus DecompressImpl(const XnUChar* pCompressedData, XnUInt32 nCompressedDataSize, XnUChar* pData, XnUInt32* pnDataSize) const;
private:
XnStatus OnNodeConfigurationChanged();
static void XN_CALLBACK_TYPE NodeConfigurationChangedCallback(ProductionNode& node, void* pCookie);
Context m_context;
XnChar m_strNodeName[XN_MAX_NAME_LENGTH];
ImageGenerator m_image;
XnBool m_bValid;
XnBool m_bRGB;
XnUInt32 m_nXRes;
XnUInt32 m_nYRes;
XnUInt32 m_nQuality;
mutable XnStreamCompJPEGContext m_CompJPEGContext;
mutable XnStreamUncompJPEGContext m_UncompJPEGContext;
XnCallbackHandle m_hOutputModeCallback;
XnCallbackHandle m_hCroppingCallback;
};
class ExportedJpegCodec : public ExportedCodec
{
public:
ExportedJpegCodec();
virtual XnCodec* CreateCodec();
};
#endif //__XN_JPEG_CODEC_H__
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