156 lines
5.7 KiB
C
156 lines
5.7 KiB
C
/*
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* The copyright in this software is being made available under the 2-clauses
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* BSD License, included below. This software may be subject to other third
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* party and contributor rights, including patent rights, and no such rights
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* are granted under this license.
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*
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux
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* Copyright (c) 2003-2014, Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
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* Copyright (c) 2012, CS Systemes d'Information, France
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MCT_H
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#define __MCT_H
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/**
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@file mct.h
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@brief Implementation of a multi-component transforms (MCT)
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The functions in MCT.C have for goal to realize reversible and irreversible multicomponent
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transform. The functions in MCT.C are used by some function in TCD.C.
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*/
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/** @defgroup MCT MCT - Implementation of a multi-component transform */
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/*@{*/
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/** @name Exported functions */
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/*@{*/
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/* ----------------------------------------------------------------------- */
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/**
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Apply a reversible multi-component transform to an image
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@param c0 Samples for red component
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@param c1 Samples for green component
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@param c2 Samples blue component
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@param n Number of samples for each component
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*/
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void opj_mct_encode(OPJ_INT32 *c0, OPJ_INT32 *c1, OPJ_INT32 *c2, OPJ_UINT32 n);
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/**
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Apply a reversible multi-component inverse transform to an image
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@param c0 Samples for luminance component
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@param c1 Samples for red chrominance component
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@param c2 Samples for blue chrominance component
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@param n Number of samples for each component
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*/
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void opj_mct_decode(OPJ_INT32 *c0, OPJ_INT32 *c1, OPJ_INT32 *c2, OPJ_UINT32 n);
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/**
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Get norm of the basis function used for the reversible multi-component transform
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@param compno Number of the component (0->Y, 1->U, 2->V)
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@return
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*/
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OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno);
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/**
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Apply an irreversible multi-component transform to an image
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@param c0 Samples for red component
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@param c1 Samples for green component
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@param c2 Samples blue component
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@param n Number of samples for each component
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*/
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void opj_mct_encode_real(OPJ_INT32 *c0, OPJ_INT32 *c1, OPJ_INT32 *c2, OPJ_UINT32 n);
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/**
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Apply an irreversible multi-component inverse transform to an image
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@param c0 Samples for luminance component
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@param c1 Samples for red chrominance component
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@param c2 Samples for blue chrominance component
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@param n Number of samples for each component
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*/
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void opj_mct_decode_real(OPJ_FLOAT32* c0, OPJ_FLOAT32* c1, OPJ_FLOAT32* c2, OPJ_UINT32 n);
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/**
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Get norm of the basis function used for the irreversible multi-component transform
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@param compno Number of the component (0->Y, 1->U, 2->V)
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@return
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*/
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OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno);
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/**
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FIXME DOC
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@param p_coding_data MCT data
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@param n size of components
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@param p_data components
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@param p_nb_comp nb of components (i.e. size of p_data)
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@param is_signed tells if the data is signed
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@return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise
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*/
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OPJ_BOOL opj_mct_encode_custom(
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OPJ_BYTE * p_coding_data,
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OPJ_UINT32 n,
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OPJ_BYTE ** p_data,
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OPJ_UINT32 p_nb_comp,
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OPJ_UINT32 is_signed);
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/**
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FIXME DOC
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@param pDecodingData MCT data
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@param n size of components
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@param pData components
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@param pNbComp nb of components (i.e. size of p_data)
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@param isSigned tells if the data is signed
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@return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise
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*/
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OPJ_BOOL opj_mct_decode_custom(
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OPJ_BYTE * pDecodingData,
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OPJ_UINT32 n,
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OPJ_BYTE ** pData,
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OPJ_UINT32 pNbComp,
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OPJ_UINT32 isSigned);
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/**
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FIXME DOC
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@param pNorms MCT data
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@param p_nb_comps size of components
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@param pMatrix components
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@return
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*/
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void opj_calculate_norms( OPJ_FLOAT64 * pNorms,
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OPJ_UINT32 p_nb_comps,
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OPJ_FLOAT32 * pMatrix);
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/**
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FIXME DOC
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*/
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const OPJ_FLOAT64 * opj_mct_get_mct_norms (void);
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/**
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FIXME DOC
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*/
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const OPJ_FLOAT64 * opj_mct_get_mct_norms_real (void);
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/* ----------------------------------------------------------------------- */
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/*@}*/
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/*@}*/
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#endif /* __MCT_H */
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