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ojph_subband.h
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//***************************************************************************/
// This software is released under the 2-Clause BSD license, included
// below.
//
// Copyright (c) 2019, Aous Naman
// Copyright (c) 2019, Kakadu Software Pty Ltd, Australia
// Copyright (c) 2019, The University of New South Wales, Australia
//
// 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
// HOLDER 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.
//***************************************************************************/
// This file is part of the OpenJPH software implementation.
// File: ojph_subband.h
// Author: Aous Naman
// Date: 28 August 2019
//***************************************************************************/
#ifndef OJPH_SUBBAND_H
#define OJPH_SUBBAND_H
#include "ojph_defs.h"
namespace ojph {
//defined elsewhere
class line_buf;
class mem_elastic_allocator;
class codestream;
namespace local {
//defined here
class resolution;
struct precinct;
class codeblock;
struct coded_cb_header;
class subband
{
friend struct precinct;
public:
subband() {
res_num = band_num = 0;
reversible = false;
empty = true; // <---- true
lines = NULL;
parent = NULL;
blocks = NULL;
xcb_prime = ycb_prime = 0;
cur_cb_row = 0;
cur_line = 0;
cur_cb_height = 0;
delta = delta_inv = 0.0f;
K_max = 0;
coded_cbs = NULL;
elastic = NULL;
}
static void pre_alloc(codestream *codestream, const rect& band_rect,
ui32 comp_num, ui32 res_num, ui32 transform_flags);
void finalize_alloc(codestream *codestream, const rect& band_rect,
resolution* res, ui32 res_num, ui32 subband_num);
void exchange_buf(line_buf* l);
line_buf* get_line() { return lines; }
void push_line();
void get_cb_indices(const size& num_precincts, precinct *precincts);
float get_delta() { return delta; }
bool exists() { return !empty; }
line_buf* pull_line();
resolution* get_parent() { return parent; }
const resolution* get_parent() const { return parent; }
private:
bool empty; // true if the subband has no pixels or
// the subband is NOT USED
ui32 res_num, band_num;
bool reversible;
rect band_rect;
line_buf *lines;
resolution* parent;
codeblock* blocks;
size num_blocks;
size log_PP;
ui32 xcb_prime, ycb_prime;
ui32 cur_cb_row;
int cur_line;
int cur_cb_height;
float delta, delta_inv;
ui32 K_max;
coded_cb_header *coded_cbs;
mem_elastic_allocator *elastic;
};
}
}
#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