OpenJPH
Open-source implementation of JPEG2000 Part-15
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ojph::local::precinct Struct Reference

#include <ojph_precinct.h>

Public Member Functions

 precinct ()
ui32 prepare_precinct (int tag_tree_size, ui32 *lev_idx, mem_elastic_allocator *elastic)
void write (outfile_base *file)
void parse (int tag_tree_size, ui32 *lev_idx, mem_elastic_allocator *elastic, ui32 &data_left, infile_base *file, bool skipped)

Public Attributes

ui8 * scratch
point img_point
rect cb_idxs [4]
subband * bands
coded_lists * coded
bool may_use_sop
bool uses_eph

Detailed Description

Definition at line 58 of file ojph_precinct.h.

Constructor & Destructor Documentation

◆ precinct()

ojph::local::precinct::precinct ( )
inline

Definition at line 60 of file ojph_precinct.h.

References bands, coded, may_use_sop, scratch, and uses_eph.

Member Function Documentation

◆ parse()

void ojph::local::precinct::parse ( int tag_tree_size,
ui32 * lev_idx,
mem_elastic_allocator * elastic,
ui32 & data_left,
infile_base * file,
bool skipped )

Definition at line 328 of file ojph_precinct.cpp.

References bands, ojph::local::bb_init(), ojph::local::bb_read_bit(), ojph::local::bb_read_bits(), ojph::local::bb_read_chunk(), ojph::local::bb_skip_sop(), ojph::local::bb_terminate(), ojph::local::bit_read_buf::bytes_left, cb_idxs, ojph::count_leading_zeros(), ojph::local::tag_tree::get(), ojph::local::tag_tree::init(), ojph::local::coded_cb_header::Kmax, ojph::local::log2ceil(), may_use_sop, ojph::local::coded_cb_header::missing_msbs, ojph::local::coded_cb_header::next_coded, ojph::local::coded_cb_header::num_passes, ojph_max, ojph_min, ojph::infile_base::OJPH_SEEK_CUR, ojph::local::coded_cb_header::pass_length, scratch, ojph::infile_base::tell(), and uses_eph.

Referenced by ojph::local::resolution::parse_all_precincts(), and ojph::local::resolution::parse_one_precinct().

◆ prepare_precinct()

ui32 ojph::local::precinct::prepare_precinct ( int tag_tree_size,
ui32 * lev_idx,
mem_elastic_allocator * elastic )

Definition at line 94 of file ojph_precinct.cpp.

References ojph::coded_lists::avail_size, bands, ojph::local::bb_init(), ojph::local::bb_put_bit(), ojph::local::bb_put_bits(), ojph::local::bb_put_zeros(), ojph::local::bb_terminate(), ojph::coded_lists::buf_size, cb_idxs, coded, ojph::count_leading_zeros(), ojph::local::tag_tree::get(), ojph::local::tag_tree::init(), ojph::local::log2ceil(), ojph::local::coded_cb_header::missing_msbs, ojph::local::coded_cb_header::next_coded, ojph::local::coded_cb_header::num_passes, ojph_max, ojph_min, ojph::local::coded_cb_header::pass_length, and scratch.

◆ write()

void ojph::local::precinct::write ( outfile_base * file)

Definition at line 281 of file ojph_precinct.cpp.

References ojph::coded_lists::avail_size, bands, ojph::coded_lists::buf, ojph::coded_lists::buf_size, cb_idxs, coded, ojph::local::coded_cb_header::next_coded, ojph::coded_lists::next_list, and ojph::outfile_base::write().

Member Data Documentation

◆ bands

subband* ojph::local::precinct::bands

Definition at line 74 of file ojph_precinct.h.

Referenced by ojph::local::resolution::finalize_alloc(), parse(), precinct(), prepare_precinct(), and write().

◆ cb_idxs

rect ojph::local::precinct::cb_idxs[4]

Definition at line 73 of file ojph_precinct.h.

Referenced by ojph::local::subband::get_cb_indices(), parse(), prepare_precinct(), and write().

◆ coded

coded_lists* ojph::local::precinct::coded

Definition at line 75 of file ojph_precinct.h.

Referenced by ojph::local::resolution::finalize_alloc(), precinct(), prepare_precinct(), and write().

◆ img_point

point ojph::local::precinct::img_point

Definition at line 72 of file ojph_precinct.h.

Referenced by ojph::local::resolution::finalize_alloc().

◆ may_use_sop

bool ojph::local::precinct::may_use_sop

Definition at line 76 of file ojph_precinct.h.

Referenced by ojph::local::resolution::finalize_alloc(), parse(), and precinct().

◆ scratch

ui8* ojph::local::precinct::scratch

Definition at line 71 of file ojph_precinct.h.

Referenced by ojph::local::resolution::finalize_alloc(), parse(), precinct(), and prepare_precinct().

◆ uses_eph

bool ojph::local::precinct::uses_eph

Definition at line 76 of file ojph_precinct.h.

Referenced by ojph::local::resolution::finalize_alloc(), parse(), and precinct().

The documentation for this struct was generated from the following files: