OpenJPH Open-source implementation of JPEG2000 Part-15

Loading...
Searching...
No Matches
ojph_subband.h
Go to the documentation of this file.
1//***************************************************************************/
2// This software is released under the 2-Clause BSD license, included
3// below.
4//
5// Copyright (c) 2019, Aous Naman
6// Copyright (c) 2019, Kakadu Software Pty Ltd, Australia
7// Copyright (c) 2019, The University of New South Wales, Australia
8//
9// Redistribution and use in source and binary forms, with or without
10// modification, are permitted provided that the following conditions are
11// met:
12//
13// 1. Redistributions of source code must retain the above copyright
14// notice, this list of conditions and the following disclaimer.
15//
16// 2. Redistributions in binary form must reproduce the above copyright
17// notice, this list of conditions and the following disclaimer in the
18// documentation and/or other materials provided with the distribution.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
21// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
26// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31//***************************************************************************/
32// This file is part of the OpenJPH software implementation.
33// File: ojph_subband.h
34// Author: Aous Naman
35// Date: 28 August 2019
36//***************************************************************************/
37
38
39#ifndef OJPH_SUBBAND_H
40#define OJPH_SUBBAND_H
41
42#include "ojph_defs.h"
43
44 namespace ojph {
45
47 //defined elsewhere
48 class line_buf;
49 class mem_elastic_allocator;
50 class codestream;
51
52 namespace local {
53
55 //defined here
56 class resolution;
57 struct precinct;
58 class codeblock;
59 struct coded_cb_header;
60
62 class subband
63 {
64 friend struct precinct;
65 public:
66 subband() {
67 res_num = band_num = 0;
68 reversible = false;
69 empty = true; // <---- true
70 lines = NULL;
71 parent = NULL;
72 blocks = NULL;
73 xcb_prime = ycb_prime = 0;
74 cur_cb_row = 0;
75 cur_line = 0;
76 cur_cb_height = 0;
77 delta = delta_inv = 0.0f;
78 K_max = 0;
79 coded_cbs = NULL;
80 elastic = NULL;
81 }
82
83 static void pre_alloc(codestream *codestream, const rect& band_rect,
84 ui32 comp_num, ui32 res_num, ui32 transform_flags);
85 void finalize_alloc(codestream *codestream, const rect& band_rect,
86 resolution* res, ui32 res_num, ui32 subband_num);
87
88 void exchange_buf(line_buf* l);
89 line_buf* get_line() { return lines; }
90 void push_line();
91
92 void get_cb_indices(const size& num_precincts, precinct *precincts);
93 float get_delta() { return delta; }
94 bool exists() { return !empty; }
95
96 line_buf* pull_line();
97 resolution* get_parent() { return parent; }
98 const resolution* get_parent() const { return parent; }
99
100 private:
101 bool empty; // true if the subband has no pixels or
102 // the subband is NOT USED
103 ui32 res_num, band_num;
104 bool reversible;
105 rect band_rect;
106 line_buf *lines;
107 resolution* parent;
108 codeblock* blocks;
109 size num_blocks;
110 size log_PP;
111 ui32 xcb_prime, ycb_prime;
112 ui32 cur_cb_row;
113 int cur_line;
114 int cur_cb_height;
115 float delta, delta_inv;
116 ui32 K_max;
117 coded_cb_header *coded_cbs;
118 mem_elastic_allocator *elastic;
119 };
120
121 }
122}
123
124#endif // !OJPH_SUBBAND_H
ojph::codestream
The object represent a codestream.
Definition ojph_codestream.h:89
ojph::line_buf
Definition ojph_mem.h:160
ojph::local::codeblock
Definition ojph_codeblock.h:66
ojph::local::codestream
Definition ojph_codestream_local.h:69
ojph::local::resolution
Definition ojph_resolution.h:62
ojph::local::subband::log_PP
size log_PP
Definition ojph_subband.h:110
ojph::local::subband::num_blocks
size num_blocks
Definition ojph_subband.h:109
ojph::local::subband::push_line
void push_line()
Definition ojph_subband.cpp:291
ojph::local::subband::pre_alloc
static void pre_alloc(codestream *codestream, const rect &band_rect, ui32 comp_num, ui32 res_num, ui32 transform_flags)
Definition ojph_subband.cpp:57
ojph::local::subband::K_max
ui32 K_max
Definition ojph_subband.h:116
ojph::local::subband::exchange_buf
void exchange_buf(line_buf *l)
Definition ojph_subband.cpp:278
ojph::local::subband::get_delta
float get_delta()
Definition ojph_subband.h:93
ojph::local::subband::coded_cbs
coded_cb_header * coded_cbs
Definition ojph_subband.h:117
ojph::local::subband::lines
line_buf * lines
Definition ojph_subband.h:106
ojph::local::subband::band_num
ui32 band_num
Definition ojph_subband.h:103
ojph::local::subband::empty
bool empty
Definition ojph_subband.h:101
ojph::local::subband::get_line
line_buf * get_line()
Definition ojph_subband.h:89
ojph::local::subband::ycb_prime
ui32 ycb_prime
Definition ojph_subband.h:111
ojph::local::subband::band_rect
rect band_rect
Definition ojph_subband.h:105
ojph::local::subband::get_parent
const resolution * get_parent() const
Definition ojph_subband.h:98
ojph::local::subband::get_cb_indices
void get_cb_indices(const size &num_precincts, precinct *precincts)
Definition ojph_subband.cpp:223
ojph::local::subband::elastic
mem_elastic_allocator * elastic
Definition ojph_subband.h:118
ojph::local::subband::precinct
friend struct precinct
Definition ojph_subband.h:64
ojph::local::subband::blocks
codeblock * blocks
Definition ojph_subband.h:108
ojph::local::subband::res_num
ui32 res_num
Definition ojph_subband.h:103
ojph::local::subband::delta_inv
float delta_inv
Definition ojph_subband.h:115
ojph::local::subband::cur_line
int cur_line
Definition ojph_subband.h:113
ojph::local::subband::parent
resolution * parent
Definition ojph_subband.h:107
ojph::local::subband::delta
float delta
Definition ojph_subband.h:115
ojph::local::subband::xcb_prime
ui32 xcb_prime
Definition ojph_subband.h:111
ojph::local::subband::subband
subband()
Definition ojph_subband.h:66
ojph::local::subband::reversible
bool reversible
Definition ojph_subband.h:104
ojph::local::subband::finalize_alloc
void finalize_alloc(codestream *codestream, const rect &band_rect, resolution *res, ui32 res_num, ui32 subband_num)
Definition ojph_subband.cpp:117
ojph::local::subband::get_parent
resolution * get_parent()
Definition ojph_subband.h:97
ojph::local::subband::exists
bool exists()
Definition ojph_subband.h:94
ojph::local::subband::pull_line
line_buf * pull_line()
Definition ojph_subband.cpp:335
ojph::local::subband::cur_cb_row
ui32 cur_cb_row
Definition ojph_subband.h:112
ojph::local::subband::cur_cb_height
int cur_cb_height
Definition ojph_subband.h:114
ojph::mem_elastic_allocator
Definition ojph_mem.h:217
ojph::local
Definition ojph_bitbuffer_read.h:52
ojph
Definition ojph_img_io.h:52
ojph::ui32
uint32_t ui32
Definition ojph_defs.h:54
ojph_defs.h
ojph::local::coded_cb_header
Definition ojph_codeblock.h:116
ojph::local::precinct
Definition ojph_precinct.h:59
ojph::rect
Definition ojph_base.h:65
ojph::size
Definition ojph_base.h:48