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Diffstat (limited to 'openjpeg/src/lib/openjp2/mct.h')
| -rw-r--r-- | openjpeg/src/lib/openjp2/mct.h | 155 |
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diff --git a/openjpeg/src/lib/openjp2/mct.h b/openjpeg/src/lib/openjp2/mct.h new file mode 100644 index 000000000..1c1f4d0c4 --- /dev/null +++ b/openjpeg/src/lib/openjp2/mct.h @@ -0,0 +1,155 @@ +/* + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2014, Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR + * Copyright (c) 2012, CS Systemes d'Information, France + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __MCT_H +#define __MCT_H +/** +@file mct.h +@brief Implementation of a multi-component transforms (MCT) + +The functions in MCT.C have for goal to realize reversible and irreversible multicomponent +transform. The functions in MCT.C are used by some function in TCD.C. +*/ + +/** @defgroup MCT MCT - Implementation of a multi-component transform */ +/*@{*/ + +/** @name Exported functions */ +/*@{*/ +/* ----------------------------------------------------------------------- */ +/** +Apply a reversible multi-component transform to an image +@param c0 Samples for red component +@param c1 Samples for green component +@param c2 Samples blue component +@param n Number of samples for each component +*/ +void opj_mct_encode(OPJ_INT32 *c0, OPJ_INT32 *c1, OPJ_INT32 *c2, OPJ_UINT32 n); +/** +Apply a reversible multi-component inverse transform to an image +@param c0 Samples for luminance component +@param c1 Samples for red chrominance component +@param c2 Samples for blue chrominance component +@param n Number of samples for each component +*/ +void opj_mct_decode(OPJ_INT32 *c0, OPJ_INT32 *c1, OPJ_INT32 *c2, OPJ_UINT32 n); +/** +Get norm of the basis function used for the reversible multi-component transform +@param compno Number of the component (0->Y, 1->U, 2->V) +@return +*/ +OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno); + +/** +Apply an irreversible multi-component transform to an image +@param c0 Samples for red component +@param c1 Samples for green component +@param c2 Samples blue component +@param n Number of samples for each component +*/ +void opj_mct_encode_real(OPJ_INT32 *c0, OPJ_INT32 *c1, OPJ_INT32 *c2, OPJ_UINT32 n); +/** +Apply an irreversible multi-component inverse transform to an image +@param c0 Samples for luminance component +@param c1 Samples for red chrominance component +@param c2 Samples for blue chrominance component +@param n Number of samples for each component +*/ +void opj_mct_decode_real(OPJ_FLOAT32* c0, OPJ_FLOAT32* c1, OPJ_FLOAT32* c2, OPJ_UINT32 n); +/** +Get norm of the basis function used for the irreversible multi-component transform +@param compno Number of the component (0->Y, 1->U, 2->V) +@return +*/ +OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno); + +/** +FIXME DOC +@param p_coding_data MCT data +@param n size of components +@param p_data components +@param p_nb_comp nb of components (i.e. size of p_data) +@param is_signed tells if the data is signed +@return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise +*/ +OPJ_BOOL opj_mct_encode_custom( + OPJ_BYTE * p_coding_data, + OPJ_UINT32 n, + OPJ_BYTE ** p_data, + OPJ_UINT32 p_nb_comp, + OPJ_UINT32 is_signed); +/** +FIXME DOC +@param pDecodingData MCT data +@param n size of components +@param pData components +@param pNbComp nb of components (i.e. size of p_data) +@param isSigned tells if the data is signed +@return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise +*/ +OPJ_BOOL opj_mct_decode_custom( + OPJ_BYTE * pDecodingData, + OPJ_UINT32 n, + OPJ_BYTE ** pData, + OPJ_UINT32 pNbComp, + OPJ_UINT32 isSigned); +/** +FIXME DOC +@param pNorms MCT data +@param p_nb_comps size of components +@param pMatrix components +@return +*/ +void opj_calculate_norms( OPJ_FLOAT64 * pNorms, + OPJ_UINT32 p_nb_comps, + OPJ_FLOAT32 * pMatrix); +/** +FIXME DOC +*/ +const OPJ_FLOAT64 * opj_mct_get_mct_norms (void); +/** +FIXME DOC +*/ +const OPJ_FLOAT64 * opj_mct_get_mct_norms_real (void); +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __MCT_H */ |