opj_j2k_dec Struct Reference

#include <j2k.h>

Data Fields
OPJ_UINT32	m_state
	locate in which part of the codestream the decoder is (main header, tile header, end) More...
opj_tcp_t *	m_default_tcp
	store decoding parameters common to all tiles (information like COD, COC in main header) More...
OPJ_BYTE *	m_header_data
OPJ_UINT32	m_header_data_size
OPJ_UINT32	m_sot_length
	to tell the tile part length More...
OPJ_UINT32	m_start_tile_x
	Only tiles index in the correct range will be decoded. More...
OPJ_UINT32	m_start_tile_y
OPJ_UINT32	m_end_tile_x
OPJ_UINT32	m_end_tile_y
OPJ_INT32	m_tile_ind_to_dec
	Index of the tile to decode (used in get_tile) More...
OPJ_OFF_T	m_last_sot_read_pos
	Position of the last SOT marker read. More...
OPJ_BOOL	m_last_tile_part
	Indicate that the current tile-part is assume as the last tile part of the codestream. More...
OPJ_BITFIELD	m_can_decode: 1
	to tell that a tile can be decoded. More...
OPJ_BITFIELD	m_discard_tiles: 1
OPJ_BITFIELD	m_skip_data: 1
OPJ_BITFIELD	m_nb_tile_parts_correction_checked: 1
	TNsot correction : see issue 254. More...
OPJ_BITFIELD	m_nb_tile_parts_correction: 1

Field Documentation

OPJ_BITFIELD opj_j2k_dec::m_can_decode

to tell that a tile can be decoded.

Referenced by opj_j2k_decode_tile(), opj_j2k_read_sot(), and opj_j2k_read_tile_header().

opj_tcp_t* opj_j2k_dec::m_default_tcp

store decoding parameters common to all tiles (information like COD, COC in main header)

Referenced by j2k_get_cstr_info(), opj_j2k_copy_default_tcp_and_create_tcd(), opj_j2k_copy_tile_component_parameters(), opj_j2k_copy_tile_quantization_parameters(), opj_j2k_create_decompress(), opj_j2k_destroy(), opj_j2k_dump_MH_info(), opj_j2k_read_coc(), opj_j2k_read_cod(), opj_j2k_read_mcc(), opj_j2k_read_mco(), opj_j2k_read_mct(), opj_j2k_read_poc(), opj_j2k_read_rgn(), opj_j2k_read_siz(), opj_j2k_read_SPCod_SPCoc(), opj_j2k_read_SQcd_SQcc(), and opj_j2k_set_decoded_resolution_factor().

OPJ_BITFIELD opj_j2k_dec::m_discard_tiles

Referenced by opj_j2k_read_siz(), and opj_j2k_set_decode_area().

OPJ_UINT32 opj_j2k_dec::m_end_tile_x

Referenced by opj_j2k_read_siz(), opj_j2k_read_sot(), and opj_j2k_set_decode_area().

OPJ_UINT32 opj_j2k_dec::m_end_tile_y

Referenced by opj_j2k_read_siz(), opj_j2k_read_sot(), and opj_j2k_set_decode_area().

OPJ_BYTE* opj_j2k_dec::m_header_data

Referenced by opj_j2k_create_decompress(), opj_j2k_destroy(), opj_j2k_read_header_procedure(), opj_j2k_read_tile_header(), and opj_j2k_read_unk().

OPJ_UINT32 opj_j2k_dec::m_header_data_size

Referenced by opj_j2k_create_decompress(), opj_j2k_destroy(), opj_j2k_read_header_procedure(), and opj_j2k_read_tile_header().

OPJ_OFF_T opj_j2k_dec::m_last_sot_read_pos

Position of the last SOT marker read.

Referenced by opj_j2k_create_decompress(), opj_j2k_decode_one_tile(), and opj_j2k_read_tile_header().

OPJ_BOOL opj_j2k_dec::m_last_tile_part

Indicate that the current tile-part is assume as the last tile part of the codestream.

It is useful in the case of PSot is equal to zero. The sot length will be compute in the SOD reader function. FIXME NOT USED for the moment

Referenced by opj_j2k_read_sod(), and opj_j2k_read_sot().

OPJ_BITFIELD opj_j2k_dec::m_nb_tile_parts_correction

Referenced by opj_j2k_read_sot(), and opj_j2k_read_tile_header().

OPJ_BITFIELD opj_j2k_dec::m_nb_tile_parts_correction_checked

TNsot correction : see issue 254.

Referenced by opj_j2k_create_decompress(), and opj_j2k_read_tile_header().

OPJ_BITFIELD opj_j2k_dec::m_skip_data

Referenced by opj_j2k_read_sot(), and opj_j2k_read_tile_header().

OPJ_UINT32 opj_j2k_dec::m_sot_length

to tell the tile part length

Referenced by opj_j2k_read_sod(), opj_j2k_read_sot(), and opj_j2k_read_tile_header().

OPJ_UINT32 opj_j2k_dec::m_start_tile_x

Only tiles index in the correct range will be decoded.

Referenced by opj_j2k_read_siz(), opj_j2k_read_sot(), and opj_j2k_set_decode_area().

OPJ_UINT32 opj_j2k_dec::m_start_tile_y

Referenced by opj_j2k_read_siz(), opj_j2k_read_sot(), and opj_j2k_set_decode_area().

OPJ_UINT32 opj_j2k_dec::m_state

locate in which part of the codestream the decoder is (main header, tile header, end)

Referenced by opj_j2k_copy_tile_component_parameters(), opj_j2k_copy_tile_quantization_parameters(), opj_j2k_decode_one_tile(), opj_j2k_decode_tile(), opj_j2k_decode_tiles(), opj_j2k_decoding_validation(), opj_j2k_encoding_validation(), opj_j2k_read_coc(), opj_j2k_read_cod(), opj_j2k_read_header_procedure(), opj_j2k_read_mcc(), opj_j2k_read_mco(), opj_j2k_read_mct(), opj_j2k_read_poc(), opj_j2k_read_rgn(), opj_j2k_read_siz(), opj_j2k_read_soc(), opj_j2k_read_sod(), opj_j2k_read_sot(), opj_j2k_read_SPCod_SPCoc(), opj_j2k_read_SQcd_SQcc(), opj_j2k_read_tile_header(), opj_j2k_read_unk(), and opj_j2k_set_decode_area().

OPJ_INT32 opj_j2k_dec::m_tile_ind_to_dec

Index of the tile to decode (used in get_tile)

Referenced by opj_j2k_create_decompress(), opj_j2k_decode_one_tile(), opj_j2k_get_tile(), and opj_j2k_read_sot().

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

• j2k.h