tgt.h
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/*
* 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, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
* Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
* 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 OPJ_TGT_H
#define OPJ_TGT_H
typedef struct opj_tgt_node {
struct opj_tgt_node *parent;
OPJ_INT32 value;
OPJ_INT32 low;
OPJ_UINT32 known;
} opj_tgt_node_t;
typedef struct opj_tgt_tree {
OPJ_UINT32 numleafsh;
OPJ_UINT32 numleafsv;
OPJ_UINT32 numnodes;
opj_tgt_node_t *nodes;
OPJ_UINT32 nodes_size; /* maximum size taken by nodes */
} opj_tgt_tree_t;
/* ----------------------------------------------------------------------- */
opj_tgt_tree_t *opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv,
opj_event_mgr_t *p_manager);
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);
void opj_tgt_destroy(opj_tgt_tree_t *tree);
void opj_tgt_reset(opj_tgt_tree_t *tree);
void opj_tgt_setvalue(opj_tgt_tree_t *tree,
OPJ_UINT32 leafno,
OPJ_INT32 value);
void opj_tgt_encode(opj_bio_t *bio,
opj_tgt_tree_t *tree,
OPJ_UINT32 leafno,
OPJ_INT32 threshold);
OPJ_UINT32 opj_tgt_decode(opj_bio_t *bio,
opj_tgt_tree_t *tree,
OPJ_UINT32 leafno,
OPJ_INT32 threshold);
/* ----------------------------------------------------------------------- */
#endif /* OPJ_TGT_H */
OPJ_INT32
int32_t OPJ_INT32
Definition openjpeg.h:131
OPJ_UINT32
uint32_t OPJ_UINT32
Definition openjpeg.h:132
opj_bio
Individual bit input-output stream (BIO)
Definition bio.h:56
opj_event_mgr
Message handler object used for.
Definition event.h:50
opj_tgt_node
Tag node.
Definition tgt.h:57
opj_tgt_node::known
OPJ_UINT32 known
Definition tgt.h:61
opj_tgt_node::value
OPJ_INT32 value
Definition tgt.h:59
opj_tgt_node::low
OPJ_INT32 low
Definition tgt.h:60
opj_tgt_node::parent
struct opj_tgt_node * parent
Definition tgt.h:58
opj_tgt_tree
Tag tree.
Definition tgt.h:67
opj_tgt_tree::nodes
opj_tgt_node_t * nodes
Definition tgt.h:71
opj_tgt_tree::nodes_size
OPJ_UINT32 nodes_size
Definition tgt.h:72
opj_tgt_tree::numnodes
OPJ_UINT32 numnodes
Definition tgt.h:70
opj_tgt_tree::numleafsh
OPJ_UINT32 numleafsh
Definition tgt.h:68
opj_tgt_tree::numleafsv
OPJ_UINT32 numleafsv
Definition tgt.h:69
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:136
opj_tgt_node_t
struct opj_tgt_node opj_tgt_node_t
Tag node.
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:307
opj_tgt_create
opj_tgt_tree_t * opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv, opj_event_mgr_t *p_manager)
Create a tag-tree.
Definition tgt.c:48
opj_tgt_destroy
void opj_tgt_destroy(opj_tgt_tree_t *tree)
Destroy a tag-tree, liberating memory.
Definition tgt.c:223
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:254
opj_tgt_reset
void opj_tgt_reset(opj_tgt_tree_t *tree)
Reset a tag-tree (set all leaves to 0)
Definition tgt.c:236
opj_tgt_tree_t
struct opj_tgt_tree opj_tgt_tree_t
Tag tree.
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:264