OpenJPEG: tgt.h Source File

OpenJPEG 2.1.1

- Main Page
- Related Pages
- Modules
- Data Structures
- Files

- File List
- Globals

tgt.h
Go to the documentation of this file.
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
4 * party and contributor rights, including patent rights, and no such rights
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
17 * All rights reserved.
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
21 * are met:
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #ifndef __TGT_H
42 #define __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 {
69 OPJ_UINT32 numleafsh;
70 OPJ_UINT32 numleafsv;
71 OPJ_UINT32 numnodes;
72 opj_tgt_node_t *nodes;
73 OPJ_UINT32 nodes_size; /* maximum size taken by nodes */
74 } opj_tgt_tree_t;
75
76
79 /* ----------------------------------------------------------------------- */
86 opj_tgt_tree_t *opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv, opj_event_mgr_t *manager);
87
97 opj_tgt_tree_t *opj_tgt_init(opj_tgt_tree_t * p_tree,
98 OPJ_UINT32 p_num_leafs_h,
99 OPJ_UINT32 p_num_leafs_v, opj_event_mgr_t *p_manager);
104 void opj_tgt_destroy(opj_tgt_tree_t *tree);
109 void opj_tgt_reset(opj_tgt_tree_t *tree);
116 void opj_tgt_setvalue(opj_tgt_tree_t *tree,
117 OPJ_UINT32 leafno,
118 OPJ_INT32 value);
126 void opj_tgt_encode(opj_bio_t *bio,
127 opj_tgt_tree_t *tree,
128 OPJ_UINT32 leafno,
129 OPJ_INT32 threshold);
138 OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio,
139 opj_tgt_tree_t *tree,
140 OPJ_UINT32 leafno,
141 OPJ_INT32 threshold);
142 /* ----------------------------------------------------------------------- */
146
147 #endif /* __TGT_H */
opj_tgt_decode
OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio, opj_tgt_tree_t *tree, OPJ_UINT32 leafno, OPJ_INT32 threshold)
Decode the value of a leaf of the tag-tree up to a given threshold.
Definition: tgt.c:300
opj_event_mgr
Message handler object used for.
Definition: event.h:50
opj_tgt_node
Tag node.
Definition: tgt.h:57
opj_tgt_reset
void opj_tgt_reset(opj_tgt_tree_t *tree)
Reset a tag-tree (set all leaves to 0)
Definition: tgt.c:233
opj_tgt_destroy
void opj_tgt_destroy(opj_tgt_tree_t *tree)
Destroy a tag-tree, liberating memory.
Definition: tgt.c:220
OPJ_INT32
int32_t OPJ_INT32
Definition: openjpeg.h:125
opj_tgt_node::low
OPJ_INT32 low
Definition: tgt.h:60
opj_tgt_create
opj_tgt_tree_t * opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv, opj_event_mgr_t *manager)
Create a tag-tree.
Definition: tgt.c:48
opj_tgt_node_t
struct opj_tgt_node opj_tgt_node_t
Tag node.
opj_tgt_tree_t
struct opj_tgt_tree opj_tgt_tree_t
Tag tree.
opj_tgt_node::known
OPJ_UINT32 known
Definition: tgt.h:61
opj_bio
Individual bit input-output stream (BIO)
Definition: bio.h:56
opj_tgt_tree::nodes
opj_tgt_node_t * nodes
Definition: tgt.h:72
opj_tgt_tree::numleafsh
OPJ_UINT32 numleafsh
Definition: tgt.h:69
opj_tgt_node::parent
struct opj_tgt_node * parent
Definition: tgt.h:58
opj_tgt_tree::numleafsv
OPJ_UINT32 numleafsv
Definition: tgt.h:70
opj_tgt_tree::nodes_size
OPJ_UINT32 nodes_size
Definition: tgt.h:73
opj_tgt_node::value
OPJ_INT32 value
Definition: tgt.h:59
opj_tgt_setvalue
void opj_tgt_setvalue(opj_tgt_tree_t *tree, OPJ_UINT32 leafno, OPJ_INT32 value)
Set the value of a leaf of a tag-tree.
Definition: tgt.c:251
opj_tgt_init
opj_tgt_tree_t * opj_tgt_init(opj_tgt_tree_t *p_tree, OPJ_UINT32 p_num_leafs_h, OPJ_UINT32 p_num_leafs_v, opj_event_mgr_t *p_manager)
Reinitialises a tag-tree from an exixting one.
Definition: tgt.c:133
opj_tgt_tree::numnodes
OPJ_UINT32 numnodes
Definition: tgt.h:71
OPJ_UINT32
uint32_t OPJ_UINT32
Definition: openjpeg.h:126
opj_tgt_encode
void opj_tgt_encode(opj_bio_t *bio, opj_tgt_tree_t *tree, OPJ_UINT32 leafno, OPJ_INT32 threshold)
Encode the value of a leaf of the tag-tree up to a given threshold.
Definition: tgt.c:260
opj_tgt_tree
Tag tree.
Definition: tgt.h:67