Data Structures | |
struct | opj_t2 |
Tier-2 coding. More... | |
Local static functions | |
static void | opj_t2_putcommacode (opj_bio_t *bio, OPJ_INT32 n) |
static OPJ_UINT32 | opj_t2_getcommacode (opj_bio_t *bio) |
static void | opj_t2_putnumpasses (opj_bio_t *bio, OPJ_UINT32 n) |
Variable length code for signalling delta Zil (truncation point). | |
static OPJ_UINT32 | opj_t2_getnumpasses (opj_bio_t *bio) |
static OPJ_BOOL | opj_t2_encode_packet (OPJ_UINT32 tileno, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, OPJ_BYTE *dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 len, opj_codestream_info_t *cstr_info) |
Encode a packet of a tile to a destination buffer. | |
static OPJ_BOOL | opj_t2_decode_packet (opj_t2_t *t2, opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, OPJ_BYTE *src, OPJ_UINT32 *data_read, OPJ_UINT32 max_length, opj_packet_info_t *pack_info, opj_event_mgr_t *p_manager) |
Decode a packet of a tile from a source buffer. | |
static OPJ_BOOL | opj_t2_skip_packet (opj_t2_t *p_t2, opj_tcd_tile_t *p_tile, opj_tcp_t *p_tcp, opj_pi_iterator_t *p_pi, OPJ_BYTE *p_src, OPJ_UINT32 *p_data_read, OPJ_UINT32 p_max_length, opj_packet_info_t *p_pack_info, opj_event_mgr_t *p_manager) |
static OPJ_BOOL | opj_t2_read_packet_header (opj_t2_t *p_t2, opj_tcd_tile_t *p_tile, opj_tcp_t *p_tcp, opj_pi_iterator_t *p_pi, OPJ_BOOL *p_is_data_present, OPJ_BYTE *p_src_data, OPJ_UINT32 *p_data_read, OPJ_UINT32 p_max_length, opj_packet_info_t *p_pack_info, opj_event_mgr_t *p_manager) |
static OPJ_BOOL | opj_t2_read_packet_data (opj_t2_t *p_t2, opj_tcd_tile_t *p_tile, opj_pi_iterator_t *p_pi, OPJ_BYTE *p_src_data, OPJ_UINT32 *p_data_read, OPJ_UINT32 p_max_length, opj_packet_info_t *pack_info, opj_event_mgr_t *p_manager) |
static OPJ_BOOL | opj_t2_skip_packet_data (opj_t2_t *p_t2, opj_tcd_tile_t *p_tile, opj_pi_iterator_t *p_pi, OPJ_UINT32 *p_data_read, OPJ_UINT32 p_max_length, opj_packet_info_t *pack_info, opj_event_mgr_t *p_manager) |
static OPJ_BOOL | opj_t2_init_seg (opj_tcd_cblk_dec_t *cblk, OPJ_UINT32 index, OPJ_UINT32 cblksty, OPJ_UINT32 first) |
Exported functions | |
OPJ_BOOL | opj_t2_encode_packets (opj_t2_t *t2, OPJ_UINT32 tileno, opj_tcd_tile_t *tile, OPJ_UINT32 maxlayers, OPJ_BYTE *dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 len, opj_codestream_info_t *cstr_info, OPJ_UINT32 tpnum, OPJ_INT32 tppos, OPJ_UINT32 pino, J2K_T2_MODE t2_mode) |
Encode the packets of a tile to a destination buffer. | |
OPJ_BOOL | opj_t2_decode_packets (opj_t2_t *t2, OPJ_UINT32 tileno, opj_tcd_tile_t *tile, OPJ_BYTE *src, OPJ_UINT32 *p_data_read, OPJ_UINT32 len, opj_codestream_index_t *cstr_info, opj_event_mgr_t *p_manager) |
Decode the packets of a tile from a source buffer. | |
opj_t2_t * | opj_t2_create (opj_image_t *p_image, opj_cp_t *p_cp) |
Creates a Tier 2 handle. | |
void | opj_t2_destroy (opj_t2_t *t2) |
Destroy a T2 handle. | |
Typedefs | |
typedef struct opj_t2 | opj_t2_t |
Tier-2 coding. |
opj_t2_t* opj_t2_create | ( | opj_image_t * | p_image, | |
opj_cp_t * | p_cp | |||
) |
Creates a Tier 2 handle.
p_image | Source or destination image | |
p_cp | Image coding parameters. |
p_image | Source or destination image | |
p_cp | Image coding parameters. |
References opj_t2::cp, opj_t2::image, and opj_calloc().
Referenced by opj_tcd_rateallocate(), opj_tcd_t2_decode(), and opj_tcd_t2_encode().
static OPJ_BOOL opj_t2_decode_packet | ( | opj_t2_t * | t2, | |
opj_tcd_tile_t * | tile, | |||
opj_tcp_t * | tcp, | |||
opj_pi_iterator_t * | pi, | |||
OPJ_BYTE * | src, | |||
OPJ_UINT32 * | data_read, | |||
OPJ_UINT32 | max_length, | |||
opj_packet_info_t * | pack_info, | |||
opj_event_mgr_t * | p_manager | |||
) | [static] |
Decode a packet of a tile from a source buffer.
t2 | T2 handle | |
tile | Tile for which to write the packets | |
tcp | Tile coding parameters | |
pi | Packet identity | |
src | Source buffer | |
data_read | FIXME DOC | |
max_length | FIXME DOC | |
pack_info | Packet information |
References OPJ_FALSE, opj_t2_read_packet_data(), opj_t2_read_packet_header(), and OPJ_TRUE.
Referenced by opj_t2_decode_packets().
OPJ_BOOL opj_t2_decode_packets | ( | opj_t2_t * | t2, | |
OPJ_UINT32 | tileno, | |||
opj_tcd_tile_t * | tile, | |||
OPJ_BYTE * | src, | |||
OPJ_UINT32 * | p_data_read, | |||
OPJ_UINT32 | len, | |||
opj_codestream_index_t * | cstr_info, | |||
opj_event_mgr_t * | p_manager | |||
) |
Decode the packets of a tile from a source buffer.
t2 | T2 handle | |
tileno | number that identifies the tile for which to decode the packets | |
tile | tile for which to decode the packets | |
src | FIXME DOC | |
p_data_read | the source buffer | |
len | length of the source buffer | |
cstr_info | FIXME DOC |
References opj_pi_iterator::compno, opj_image::comps, opj_tcd_tile::comps, opj_t2::cp, opj_packet_info::end_ph_pos, opj_packet_info::end_pos, opj_t2::image, JAS_FPRINTF, opj_pi_iterator::layno, opj_cp::m_enc, opj_cp::m_specific_param, opj_encoding_param::m_tp_on, opj_tcd_tilecomp::minimum_num_resolutions, opj_tcp::num_layers_to_decode, opj_image::numcomps, opj_tcp::numpocs, OPJ_ARG_NOT_USED, OPJ_FALSE, opj_free(), opj_malloc(), opj_pi_create_decode(), opj_pi_destroy(), opj_pi_next(), OPJ_PROG_UNKNOWN, opj_t2_decode_packet(), opj_t2_skip_packet(), OPJ_TRUE, opj_uint_max(), opj_pi_iterator::poc, opj_pi_iterator::precno, opj_poc::prg, opj_poc::prg1, opj_pi_iterator::resno, opj_image_comp::resno_decoded, opj_packet_info::start_pos, opj_cp::tcps, and opj_codestream_index::tile_index.
Referenced by opj_tcd_t2_decode().
void opj_t2_destroy | ( | opj_t2_t * | t2 | ) |
Destroy a T2 handle.
t2 | T2 handle to destroy |
References opj_free().
Referenced by opj_tcd_rateallocate(), opj_tcd_t2_decode(), and opj_tcd_t2_encode().
static OPJ_BOOL opj_t2_encode_packet | ( | OPJ_UINT32 | tileno, | |
opj_tcd_tile_t * | tile, | |||
opj_tcp_t * | tcp, | |||
opj_pi_iterator_t * | pi, | |||
OPJ_BYTE * | dest, | |||
OPJ_UINT32 * | p_data_written, | |||
OPJ_UINT32 | len, | |||
opj_codestream_info_t * | cstr_info | |||
) | [static] |
Encode a packet of a tile to a destination buffer.
tileno | Number of the tile encoded | |
tile | Tile for which to write the packets | |
tcp | Tile coding parameters | |
pi | Packet identity | |
dest | Destination buffer | |
p_data_written | FIXME DOC | |
len | Length of the destination buffer | |
cstr_info | Codestream information structure |
References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tcd_precinct::ch, opj_pi_iterator::compno, opj_tcd_tile::comps, opj_tcp::csty, opj_tcd_precinct::cw, opj_codestream_info::D_max, opj_tcd_layer::data, opj_tcd_layer::disto, opj_packet_info::disto, opj_tcd_precinct::enc, opj_packet_info::end_ph_pos, opj_tcd_precinct::imsbtree, opj_tcd_precinct::incltree, opj_codestream_info::index_write, J2K_CP_CSTY_EPH, J2K_CP_CSTY_SOP, opj_tcd_cblk_enc::layers, opj_pi_iterator::layno, opj_tcd_layer::len, opj_tcd_pass::len, opj_tcd_resolution::numbands, opj_tcd_cblk_enc::numbps, opj_tcd_band::numbps, opj_tcd_cblk_enc::numlenbits, opj_tcd_layer::numpasses, opj_tcd_cblk_enc::numpasses, opj_bio_create(), opj_bio_destroy(), opj_bio_flush(), opj_bio_init_enc(), opj_bio_numbytes(), opj_bio_write(), OPJ_FALSE, opj_int_floorlog2(), opj_int_max(), opj_t2_putcommacode(), opj_t2_putnumpasses(), opj_tgt_encode(), opj_tgt_reset(), opj_tgt_setvalue(), OPJ_TRUE, opj_tile_info::packet, opj_codestream_info::packno, opj_tcd_tile::packno, opj_tcd_cblk_enc::passes, opj_tcd_band::precincts, opj_pi_iterator::precno, opj_pi_iterator::resno, opj_tcd_tilecomp::resolutions, opj_tcd_pass::term, and opj_codestream_info::tile.
Referenced by opj_t2_encode_packets().
OPJ_BOOL opj_t2_encode_packets | ( | opj_t2_t * | t2, | |
OPJ_UINT32 | tileno, | |||
opj_tcd_tile_t * | tile, | |||
OPJ_UINT32 | maxlayers, | |||
OPJ_BYTE * | dest, | |||
OPJ_UINT32 * | p_data_written, | |||
OPJ_UINT32 | len, | |||
opj_codestream_info_t * | cstr_info, | |||
OPJ_UINT32 | tpnum, | |||
OPJ_INT32 | tppos, | |||
OPJ_UINT32 | pino, | |||
J2K_T2_MODE | t2_mode | |||
) |
Encode the packets of a tile to a destination buffer.
t2 | T2 handle | |
tileno | number of the tile encoded | |
tile | the tile for which to write the packets | |
maxlayers | maximum number of layers | |
dest | the destination buffer | |
p_data_written | FIXME DOC | |
len | the length of the destination buffer | |
cstr_info | Codestream information structure | |
tpnum | Tile part number of the current tile | |
tppos | The position of the tile part flag in the progression order | |
pino | FIXME DOC | |
t2_mode | If == 0 In Threshold calculation ,If == 1 Final pass |
References opj_t2::cp, opj_tile_info::end_header, opj_packet_info::end_ph_pos, opj_packet_info::end_pos, opj_t2::image, opj_codestream_info::index_write, opj_pi_iterator::layno, opj_cp::m_enc, opj_encoding_param::m_max_comp_size, opj_cp::m_specific_param, opj_encoding_param::m_tp_on, opj_image::numcomps, opj_tcp::numpocs, OPJ_FALSE, opj_pi_create_encode(), opj_pi_destroy(), opj_pi_initialise_encode(), opj_pi_next(), OPJ_PROFILE_CINEMA_4K, OPJ_PROG_UNKNOWN, opj_t2_encode_packet(), OPJ_TRUE, opj_tile_info::packet, opj_tcd_tile::packno, opj_codestream_info::packno, opj_tcp::POC, opj_pi_iterator::poc, opj_poc::prg, opj_cp::rsiz, opj_packet_info::start_pos, opj_cp::tcps, THRESH_CALC, and opj_codestream_info::tile.
Referenced by opj_tcd_rateallocate(), and opj_tcd_t2_encode().
static OPJ_UINT32 opj_t2_getcommacode | ( | opj_bio_t * | bio | ) | [static] |
static OPJ_UINT32 opj_t2_getnumpasses | ( | opj_bio_t * | bio | ) | [static] |
static OPJ_BOOL opj_t2_init_seg | ( | opj_tcd_cblk_dec_t * | cblk, | |
OPJ_UINT32 | index, | |||
OPJ_UINT32 | cblksty, | |||
OPJ_UINT32 | first | |||
) | [static] |
cblk | ||
index | ||
cblksty | ||
first |
References J2K_CCP_CBLKSTY_LAZY, J2K_CCP_CBLKSTY_TERMALL, opj_tcd_cblk_dec::m_current_max_segs, opj_tcd_seg::maxpasses, OPJ_FALSE, opj_free(), OPJ_J2K_DEFAULT_NB_SEGS, opj_realloc(), OPJ_TRUE, and opj_tcd_cblk_dec::segs.
Referenced by opj_t2_read_packet_header().
static void opj_t2_putnumpasses | ( | opj_bio_t * | bio, | |
OPJ_UINT32 | n | |||
) | [static] |
Variable length code for signalling delta Zil (truncation point).
bio | Bit Input/Output component | |
n | delta Zil |
References opj_bio_write().
Referenced by opj_t2_encode_packet().
static OPJ_BOOL opj_t2_read_packet_data | ( | opj_t2_t * | p_t2, | |
opj_tcd_tile_t * | p_tile, | |||
opj_pi_iterator_t * | p_pi, | |||
OPJ_BYTE * | p_src_data, | |||
OPJ_UINT32 * | p_data_read, | |||
OPJ_UINT32 | p_max_length, | |||
opj_packet_info_t * | pack_info, | |||
opj_event_mgr_t * | p_manager | |||
) | [static] |
References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tcd_precinct::ch, opj_pi_iterator::compno, opj_tcd_tile::comps, opj_tcd_precinct::cw, opj_tcd_seg::data, opj_tcd_cblk_dec::data, opj_tcd_cblk_dec::data_current_size, opj_tcd_cblk_dec::data_max_size, opj_tcd_seg::dataindex, opj_tcd_precinct::dec, EVT_ERROR, EVT_WARNING, opj_tcd_seg::len, opj_tcd_seg::maxpasses, opj_tcd_seg::newlen, opj_tcd_resolution::numbands, opj_tcd_seg::numnewpasses, opj_tcd_cblk_dec::numnewpasses, opj_tcd_seg::numpasses, opj_tcd_cblk_dec::numsegs, OPJ_ARG_NOT_USED, opj_event_msg(), OPJ_FALSE, opj_free(), opj_realloc(), OPJ_TRUE, opj_tcd_band::precincts, opj_pi_iterator::precno, opj_tcd_seg::real_num_passes, opj_tcd_cblk_dec::real_num_segs, opj_pi_iterator::resno, opj_tcd_tilecomp::resolutions, opj_tcd_cblk_dec::segs, opj_tcd_band::x0, opj_tcd_band::x1, opj_tcd_band::y0, and opj_tcd_band::y1.
Referenced by opj_t2_decode_packet().
static OPJ_BOOL opj_t2_read_packet_header | ( | opj_t2_t * | p_t2, | |
opj_tcd_tile_t * | p_tile, | |||
opj_tcp_t * | p_tcp, | |||
opj_pi_iterator_t * | p_pi, | |||
OPJ_BOOL * | p_is_data_present, | |||
OPJ_BYTE * | p_src_data, | |||
OPJ_UINT32 * | p_data_read, | |||
OPJ_UINT32 | p_max_length, | |||
opj_packet_info_t * | p_pack_info, | |||
opj_event_mgr_t * | p_manager | |||
) | [static] |
TODO : check the Nsop value
References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tccp::cblksty, opj_tcd_precinct::ch, opj_pi_iterator::compno, opj_tcd_tile::comps, opj_t2::cp, opj_tcp::csty, opj_tcd_precinct::cw, opj_tcd_precinct::dec, opj_packet_info::end_ph_pos, EVT_ERROR, EVT_WARNING, opj_tcd_precinct::imsbtree, opj_tcd_precinct::incltree, J2K_CP_CSTY_EPH, J2K_CP_CSTY_SOP, JAS_FPRINTF, opj_pi_iterator::layno, opj_tcd_seg::maxpasses, opj_tcd_seg::newlen, opj_tcd_resolution::numbands, opj_tcd_band::numbps, opj_tcd_cblk_dec::numbps, opj_tcd_cblk_dec::numlenbits, opj_tcd_seg::numnewpasses, opj_tcd_cblk_dec::numnewpasses, opj_tcd_seg::numpasses, opj_tcd_cblk_dec::numsegs, opj_bio_create(), opj_bio_destroy(), opj_bio_inalign(), opj_bio_init_dec(), opj_bio_numbytes(), opj_bio_read(), opj_event_msg(), OPJ_FALSE, opj_int_min(), opj_t2_getcommacode(), opj_t2_getnumpasses(), opj_t2_init_seg(), opj_tgt_decode(), opj_tgt_reset(), OPJ_TRUE, opj_uint_floorlog2(), opj_cp::ppm, opj_cp::ppm_data, opj_cp::ppm_len, opj_tcp::ppt, opj_tcp::ppt_data, opj_tcp::ppt_len, opj_tcd_band::precincts, opj_tcd_band::precincts_data_size, opj_pi_iterator::precno, opj_tcd_cblk_dec::real_num_segs, opj_pi_iterator::resno, opj_tcd_tilecomp::resolutions, opj_tcd_cblk_dec::segs, opj_tcp::tccps, opj_tcd_band::x0, opj_tcd_band::x1, opj_tcd_band::y0, and opj_tcd_band::y1.
Referenced by opj_t2_decode_packet(), and opj_t2_skip_packet().
static OPJ_BOOL opj_t2_skip_packet | ( | opj_t2_t * | p_t2, | |
opj_tcd_tile_t * | p_tile, | |||
opj_tcp_t * | p_tcp, | |||
opj_pi_iterator_t * | p_pi, | |||
OPJ_BYTE * | p_src, | |||
OPJ_UINT32 * | p_data_read, | |||
OPJ_UINT32 | p_max_length, | |||
opj_packet_info_t * | p_pack_info, | |||
opj_event_mgr_t * | p_manager | |||
) | [static] |
References OPJ_FALSE, opj_t2_read_packet_header(), opj_t2_skip_packet_data(), and OPJ_TRUE.
Referenced by opj_t2_decode_packets().
static OPJ_BOOL opj_t2_skip_packet_data | ( | opj_t2_t * | p_t2, | |
opj_tcd_tile_t * | p_tile, | |||
opj_pi_iterator_t * | p_pi, | |||
OPJ_UINT32 * | p_data_read, | |||
OPJ_UINT32 | p_max_length, | |||
opj_packet_info_t * | pack_info, | |||
opj_event_mgr_t * | p_manager | |||
) | [static] |
References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tcd_precinct::ch, opj_pi_iterator::compno, opj_tcd_tile::comps, opj_tcd_precinct::cw, opj_tcd_cblk_dec::data_current_size, opj_tcd_precinct::dec, EVT_ERROR, EVT_WARNING, JAS_FPRINTF, opj_tcd_seg::maxpasses, opj_tcd_seg::newlen, opj_tcd_resolution::numbands, opj_tcd_seg::numnewpasses, opj_tcd_cblk_dec::numnewpasses, opj_tcd_seg::numpasses, opj_tcd_cblk_dec::numsegs, OPJ_ARG_NOT_USED, opj_event_msg(), OPJ_FALSE, OPJ_TRUE, opj_tcd_band::precincts, opj_pi_iterator::precno, opj_pi_iterator::resno, opj_tcd_tilecomp::resolutions, opj_tcd_cblk_dec::segs, opj_tcd_band::x0, opj_tcd_band::x1, opj_tcd_band::y0, and opj_tcd_band::y1.
Referenced by opj_t2_skip_packet().