OpenJPH
Open-source implementation of JPEG2000 Part-15
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ojph_subband.h
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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
44namespace 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:
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);
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
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
119 };
120
121 }
122}
123
124#endif // !OJPH_SUBBAND_H
static void pre_alloc(codestream *codestream, const rect &band_rect, ui32 comp_num, ui32 res_num, ui32 transform_flags)
void exchange_buf(line_buf *l)
coded_cb_header * coded_cbs
line_buf * get_line()
const resolution * get_parent() const
void get_cb_indices(const size &num_precincts, precinct *precincts)
mem_elastic_allocator * elastic
void finalize_alloc(codestream *codestream, const rect &band_rect, resolution *res, ui32 res_num, ui32 subband_num)
resolution * get_parent()
uint32_t ui32
Definition ojph_defs.h:54