OpenJPEG 2.1.0

tgt.h

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00001 /*
00002  * The copyright in this software is being made available under the 2-clauses 
00003  * BSD License, included below. This software may be subject to other third 
00004  * party and contributor rights, including patent rights, and no such rights
00005  * are granted under this license.
00006  *
00007  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
00008  * Copyright (c) 2002-2014, Professor Benoit Macq
00009  * Copyright (c) 2001-2003, David Janssens
00010  * Copyright (c) 2002-2003, Yannick Verschueren
00011  * Copyright (c) 2003-2007, Francois-Olivier Devaux 
00012  * Copyright (c) 2003-2014, Antonin Descampe
00013  * Copyright (c) 2005, Herve Drolon, FreeImage Team
00014  * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
00015  * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France 
00016  * Copyright (c) 2012, CS Systemes d'Information, France
00017  * All rights reserved.
00018  *
00019  * Redistribution and use in source and binary forms, with or without
00020  * modification, are permitted provided that the following conditions
00021  * are met:
00022  * 1. Redistributions of source code must retain the above copyright
00023  *    notice, this list of conditions and the following disclaimer.
00024  * 2. Redistributions in binary form must reproduce the above copyright
00025  *    notice, this list of conditions and the following disclaimer in the
00026  *    documentation and/or other materials provided with the distribution.
00027  *
00028  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
00029  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00032  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00033  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00034  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00035  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00036  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00037  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00038  * POSSIBILITY OF SUCH DAMAGE.
00039  */
00040 
00041 #ifndef __TGT_H
00042 #define __TGT_H
00043 
00053 
00057 typedef struct opj_tgt_node {
00058     struct opj_tgt_node *parent;
00059     OPJ_INT32 value;
00060     OPJ_INT32 low;
00061     OPJ_UINT32 known;
00062 } opj_tgt_node_t;
00063 
00067 typedef struct opj_tgt_tree
00068 {
00069         OPJ_UINT32  numleafsh;
00070         OPJ_UINT32  numleafsv;
00071         OPJ_UINT32 numnodes;
00072         opj_tgt_node_t *nodes;
00073         OPJ_UINT32  nodes_size;         /* maximum size taken by nodes */
00074 } opj_tgt_tree_t;
00075 
00076 
00079 /* ----------------------------------------------------------------------- */
00086 opj_tgt_tree_t *opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv);
00087 
00096 opj_tgt_tree_t *opj_tgt_init(opj_tgt_tree_t * p_tree, 
00097                              OPJ_UINT32  p_num_leafs_h, 
00098                              OPJ_UINT32  p_num_leafs_v);
00103 void opj_tgt_destroy(opj_tgt_tree_t *tree);
00108 void opj_tgt_reset(opj_tgt_tree_t *tree);
00115 void opj_tgt_setvalue(opj_tgt_tree_t *tree, 
00116                       OPJ_UINT32 leafno, 
00117                       OPJ_INT32 value);
00125 void opj_tgt_encode(opj_bio_t *bio, 
00126                     opj_tgt_tree_t *tree, 
00127                     OPJ_UINT32 leafno, 
00128                     OPJ_INT32 threshold);
00137 OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio, 
00138                           opj_tgt_tree_t *tree, 
00139                           OPJ_UINT32 leafno, 
00140                           OPJ_INT32 threshold);
00141 /* ----------------------------------------------------------------------- */
00145 
00146 #endif /* __TGT_H */