1ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* 2ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The copyright in this software is being made available under the 2-clauses 3ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * BSD License, included below. This software may be subject to other third 4ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * party and contributor rights, including patent rights, and no such rights 5ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * are granted under this license. 6ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 7ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium 8ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2002-2014, Professor Benoit Macq 9ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2001-2003, David Janssens 10ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2002-2003, Yannick Verschueren 11ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2003-2007, Francois-Olivier Devaux 12ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2003-2014, Antonin Descampe 13ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2005, Herve Drolon, FreeImage Team 14ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr> 15ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France 16ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Copyright (c) 2012, CS Systemes d'Information, France 17ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * All rights reserved. 18ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 19ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Redistribution and use in source and binary forms, with or without 20ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * modification, are permitted provided that the following conditions 21ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * are met: 22ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 1. Redistributions of source code must retain the above copyright 23ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * notice, this list of conditions and the following disclaimer. 24ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 2. Redistributions in binary form must reproduce the above copyright 25ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * notice, this list of conditions and the following disclaimer in the 26ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * documentation and/or other materials provided with the distribution. 27ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 28ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 29ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 32ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * POSSIBILITY OF SUCH DAMAGE. 39ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov */ 40ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 41ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#ifndef __TGT_H 42ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#define __TGT_H 43ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 44ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@file tgt.h 45ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@brief Implementation of a tag-tree coder (TGT) 46ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 47ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovThe functions in TGT.C have for goal to realize a tag-tree coder. The functions in TGT.C 48ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovare used by some function in T2.C. 49ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 50ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 51ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** @defgroup TGT TGT - Implementation of a tag-tree coder */ 52ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/*@{*/ 53ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 54ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 55ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovTag node 56ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 57ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovtypedef struct opj_tgt_node { 58ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov struct opj_tgt_node *parent; 59ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_INT32 value; 60ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_INT32 low; 61ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 known; 62ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov} opj_tgt_node_t; 63ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 64ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 65ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovTag tree 66ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 67ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovtypedef struct opj_tgt_tree 68ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov{ 69ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 numleafsh; 70ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 numleafsv; 71ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 numnodes; 72ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov opj_tgt_node_t *nodes; 73ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 nodes_size; /* maximum size taken by nodes */ 74ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov} opj_tgt_tree_t; 75ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 76ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 77ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** @name Exported functions */ 78ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/*@{*/ 79ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* ----------------------------------------------------------------------- */ 80ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 81ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovCreate a tag-tree 82ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param numleafsh Width of the array of leafs of the tree 83ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param numleafsv Height of the array of leafs of the tree 84ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@return Returns a new tag-tree if successful, returns NULL otherwise 85ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 86ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovopj_tgt_tree_t *opj_tgt_create(OPJ_UINT32 numleafsh, OPJ_UINT32 numleafsv); 87ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 88ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 89ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Reinitialises a tag-tree from an exixting one. 90ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 91ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @param p_tree the tree to reinitialize. 92ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @param p_num_leafs_h the width of the array of leafs of the tree 93ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @param p_num_leafs_v the height of the array of leafs of the tree 94ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @return a new tag-tree if successful, NULL otherwise 95ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 96ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovopj_tgt_tree_t *opj_tgt_init(opj_tgt_tree_t * p_tree, 97ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 p_num_leafs_h, 98ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 p_num_leafs_v); 99ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 100ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovDestroy a tag-tree, liberating memory 101ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param tree Tag-tree to destroy 102ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 103ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovvoid opj_tgt_destroy(opj_tgt_tree_t *tree); 104ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 105ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovReset a tag-tree (set all leaves to 0) 106ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param tree Tag-tree to reset 107ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 108ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovvoid opj_tgt_reset(opj_tgt_tree_t *tree); 109ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 110ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovSet the value of a leaf of a tag-tree 111ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param tree Tag-tree to modify 112ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param leafno Number that identifies the leaf to modify 113ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param value New value of the leaf 114ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 115ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovvoid opj_tgt_setvalue(opj_tgt_tree_t *tree, 116ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 leafno, 117ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_INT32 value); 118ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 119ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovEncode the value of a leaf of the tag-tree up to a given threshold 120ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param bio Pointer to a BIO handle 121ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param tree Tag-tree to modify 122ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param leafno Number that identifies the leaf to encode 123ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param threshold Threshold to use when encoding value of the leaf 124ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 125ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganovvoid opj_tgt_encode(opj_bio_t *bio, 126ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov opj_tgt_tree_t *tree, 127ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 leafno, 128ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_INT32 threshold); 129ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/** 130ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovDecode the value of a leaf of the tag-tree up to a given threshold 131ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param bio Pointer to a BIO handle 132ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param tree Tag-tree to decode 133ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param leafno Number that identifies the leaf to decode 134ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@param threshold Threshold to use when decoding value of the leaf 135ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov@return Returns 1 if the node's value < threshold, returns 0 otherwise 136ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov*/ 137ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovOPJ_UINT32 opj_tgt_decode(opj_bio_t *bio, 138ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov opj_tgt_tree_t *tree, 139ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_UINT32 leafno, 140ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov OPJ_INT32 threshold); 141ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* ----------------------------------------------------------------------- */ 142ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/*@}*/ 143ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 144ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/*@}*/ 145ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 146ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#endif /* __TGT_H */ 147