OpenJPEG  2.3.1
tgt.h
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1 /*
2  * The copyright in this software is being made available under the 2-clauses
3  * BSD License, included below. This software may be subject to other third
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5  * are granted under this license.
6  *
7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8  * Copyright (c) 2002-2014, Professor Benoit Macq
9  * Copyright (c) 2001-2003, David Janssens
10  * Copyright (c) 2002-2003, Yannick Verschueren
11  * Copyright (c) 2003-2007, Francois-Olivier Devaux
12  * Copyright (c) 2003-2014, Antonin Descampe
13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
14  * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
15  * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
16  * Copyright (c) 2012, CS Systemes d'Information, France
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40 
41 #ifndef OPJ_TGT_H
42 #define OPJ_TGT_H
43 
53 
57 typedef struct opj_tgt_node {
58  struct opj_tgt_node *parent;
59  OPJ_INT32 value;
60  OPJ_INT32 low;
61  OPJ_UINT32 known;
62 } opj_tgt_node_t;
63 
67 typedef struct opj_tgt_tree {
68  OPJ_UINT32 numleafsh;
69  OPJ_UINT32 numleafsv;
70  OPJ_UINT32 numnodes;
71  opj_tgt_node_t *nodes;
72  OPJ_UINT32 nodes_size; /* maximum size taken by nodes */
73 } opj_tgt_tree_t;
74 
75 
78 /* ----------------------------------------------------------------------- */
86 opj_tgt_tree_t *opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv,
87  opj_event_mgr_t *p_manager);
88 
98 opj_tgt_tree_t *opj_tgt_init(opj_tgt_tree_t * p_tree,
99  OPJ_UINT32 p_num_leafs_h,
100  OPJ_UINT32 p_num_leafs_v, opj_event_mgr_t *p_manager);
105 void opj_tgt_destroy(opj_tgt_tree_t *tree);
110 void opj_tgt_reset(opj_tgt_tree_t *tree);
117 void opj_tgt_setvalue(opj_tgt_tree_t *tree,
118  OPJ_UINT32 leafno,
119  OPJ_INT32 value);
127 void opj_tgt_encode(opj_bio_t *bio,
128  opj_tgt_tree_t *tree,
129  OPJ_UINT32 leafno,
130  OPJ_INT32 threshold);
139 OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio,
140  opj_tgt_tree_t *tree,
141  OPJ_UINT32 leafno,
142  OPJ_INT32 threshold);
143 /* ----------------------------------------------------------------------- */
147 
148 #endif /* OPJ_TGT_H */
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