OpenJPEG: j2k.c File Reference

OpenJPEG 2.1.2

Data Structures | Typedefs | Functions | Variables
j2k.c File Reference
`#include "opj_includes.h"`

## Data Structures
struct | j2k_prog_order
struct | opj_dec_memory_marker_handler

## Typedefs
typedef struct j2k_prog_order | j2k_prog_order_t
typedef void(* | opj_j2k_mct_function) (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
typedef struct opj_dec_memory_marker_handler | opj_dec_memory_marker_handler_t

## Functions
char * | opj_j2k_convert_progression_order (OPJ_PROG_ORDER prg_order)
| Converts an enum type progression order to string type. More...
void | opj_j2k_setup_decoder (opj_j2k_t *j2k, opj_dparameters_t *parameters)
| Setup the decoder decoding parameters using user parameters. More...
opj_j2k_t * | opj_j2k_create_compress (void)
| Creates a J2K compression structure. More...
OPJ_BOOL | opj_j2k_setup_encoder (opj_j2k_t *p_j2k, opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager)
OPJ_BOOL | opj_j2k_end_decompress (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Ends the decompression procedures and possibiliy add data to be read after the codestream. More...
OPJ_BOOL | opj_j2k_read_header (opj_stream_private_t *p_stream, opj_j2k_t *p_j2k, opj_image_t **p_image, opj_event_mgr_t *p_manager)
| Reads a jpeg2000 codestream header structure. More...
OPJ_BOOL | opj_j2k_setup_mct_encoding (opj_tcp_t *p_tcp, opj_image_t *p_image)
void | opj_j2k_destroy (opj_j2k_t *p_j2k)
| Destroys a jpeg2000 codec. More...
void | j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind)
| Destroys a codestream index structure. More...
OPJ_BOOL | opj_j2k_read_tile_header (opj_j2k_t *p_j2k, OPJ_UINT32 *p_tile_index, OPJ_UINT32 *p_data_size, OPJ_INT32 *p_tile_x0, OPJ_INT32 *p_tile_y0, OPJ_INT32 *p_tile_x1, OPJ_INT32 *p_tile_y1, OPJ_UINT32 *p_nb_comps, OPJ_BOOL *p_go_on, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Reads a tile header. More...
OPJ_BOOL | opj_j2k_decode_tile (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_index, OPJ_BYTE *p_data, OPJ_UINT32 p_data_size, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Decode tile data. More...
OPJ_BOOL | opj_j2k_set_decode_area (opj_j2k_t *p_j2k, opj_image_t *p_image, OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, OPJ_INT32 p_end_x, OPJ_INT32 p_end_y, opj_event_mgr_t *p_manager)
| Sets the given area to be decoded. More...
opj_j2k_t * | opj_j2k_create_decompress (void)
| Creates a J2K decompression structure. More...
static void | opj_j2k_dump_tile_info (opj_tcp_t *l_default_tile, OPJ_INT32 numcomps, FILE *out_stream)
void | j2k_dump (opj_j2k_t *p_j2k, OPJ_INT32 flag, FILE *out_stream)
| Dump some elements from the J2K decompression structure . More...
void | j2k_dump_image_header (opj_image_t *img_header, OPJ_BOOL dev_dump_flag, FILE *out_stream)
| Dump an image header structure. More...
void | j2k_dump_image_comp_header (opj_image_comp_t *comp_header, OPJ_BOOL dev_dump_flag, FILE *out_stream)
| Dump a component image header structure. More...
opj_codestream_info_v2_t * | j2k_get_cstr_info (opj_j2k_t *p_j2k)
| Get the codestream info from a JPEG2000 codec. More...
opj_codestream_index_t * | j2k_get_cstr_index (opj_j2k_t *p_j2k)
| Get the codestream index from a JPEG2000 codec. More...
static OPJ_BOOL | opj_j2k_setup_decoding (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the procedures to do on decoding data. More...
static OPJ_BOOL | opj_j2k_decode_one_tile (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
static OPJ_BOOL | opj_j2k_setup_decoding_tile (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the procedures to do on decoding one tile. More...
OPJ_BOOL | opj_j2k_decode (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_image_t *p_image, opj_event_mgr_t *p_manager)
| Decode an image from a JPEG-2000 codestream. More...
OPJ_BOOL | opj_j2k_get_tile (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_image_t *p_image, opj_event_mgr_t *p_manager, OPJ_UINT32 tile_index)
OPJ_BOOL | opj_j2k_set_decoded_resolution_factor (opj_j2k_t *p_j2k, OPJ_UINT32 res_factor, opj_event_mgr_t *p_manager)
OPJ_BOOL | opj_j2k_encode (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Encodes an image into a JPEG-2000 codestream. More...
OPJ_BOOL | opj_j2k_end_compress (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Ends the compression procedures and possibiliy add data to be read after the codestream. More...
OPJ_BOOL | opj_j2k_start_compress (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_image_t *p_image, opj_event_mgr_t *p_manager)
| Starts a compression scheme, i.e. More...
OPJ_BOOL | opj_j2k_write_tile (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_index, OPJ_BYTE *p_data, OPJ_UINT32 p_data_size, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes a tile. More...
Local static functions
static OPJ_BOOL | opj_j2k_setup_header_reading (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the procedures to do on reading header. More...
static OPJ_BOOL | opj_j2k_read_header_procedure (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| The read header procedure. More...
static OPJ_BOOL | opj_j2k_encoding_validation (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| The default encoding validation procedure without any extension. More...
static OPJ_BOOL | opj_j2k_decoding_validation (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| The default decoding validation procedure without any extension. More...
static OPJ_BOOL | opj_j2k_setup_encoding_validation (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the validation ,i.e. More...
static OPJ_BOOL | opj_j2k_setup_decoding_validation (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the validation ,i.e. More...
static OPJ_BOOL | opj_j2k_setup_end_compress (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the validation ,i.e. More...
static OPJ_BOOL | opj_j2k_mct_validation (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| The mct encoding validation procedure. More...
static OPJ_BOOL | opj_j2k_build_decoder (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Builds the tcd decoder to use to decode tile. More...
static OPJ_BOOL | opj_j2k_build_encoder (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Builds the tcd encoder to use to encode tile. More...
static OPJ_BOOL | opj_j2k_create_tcd (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Creates a tile-coder decoder. More...
static OPJ_BOOL | opj_j2k_exec (opj_j2k_t *p_j2k, opj_procedure_list_t *p_procedure_list, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Excutes the given procedures on the given codec. More...
static OPJ_BOOL | opj_j2k_update_rates (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Updates the rates of the tcp. More...
static OPJ_BOOL | opj_j2k_copy_default_tcp_and_create_tcd (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Copies the decoding tile parameters onto all the tile parameters. More...
static OPJ_BOOL | opj_j2k_destroy_header_memory (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Destroys the memory associated with the decoding of headers. More...
static const struct opj_dec_memory_marker_handler * | opj_j2k_get_marker_handler (OPJ_UINT32 p_id)
| Reads the lookup table containing all the marker, status and action, and returns the handler associated with the marker value. More...
static void | opj_j2k_tcp_destroy (opj_tcp_t *p_tcp)
| Destroys a tile coding parameter structure. More...
static void | opj_j2k_tcp_data_destroy (opj_tcp_t *p_tcp)
| Destroys the data inside a tile coding parameter structure. More...
static void | opj_j2k_cp_destroy (opj_cp_t *p_cp)
| Destroys a coding parameter structure. More...
static OPJ_BOOL | opj_j2k_compare_SPCod_SPCoc (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
| Compare 2 a SPCod/ SPCoc elements, i.e. More...
static OPJ_BOOL | opj_j2k_write_SPCod_SPCoc (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_BYTE *p_data, OPJ_UINT32 *p_header_size, opj_event_mgr_t *p_manager)
| Writes a SPCod or SPCoc element, i.e. More...
static OPJ_UINT32 | opj_j2k_get_SPCod_SPCoc_size (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no)
| Gets the size taken by writing a SPCod or SPCoc for the given tile and component. More...
static OPJ_BOOL | opj_j2k_read_SPCod_SPCoc (opj_j2k_t *p_j2k, OPJ_UINT32 compno, OPJ_BYTE *p_header_data, OPJ_UINT32 *p_header_size, opj_event_mgr_t *p_manager)
| Reads a SPCod or SPCoc element, i.e. More...
static OPJ_UINT32 | opj_j2k_get_SQcd_SQcc_size (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no)
| Gets the size taken by writing SQcd or SQcc element, i.e. More...
static OPJ_BOOL | opj_j2k_compare_SQcd_SQcc (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
| Compares 2 SQcd or SQcc element, i.e. More...
static OPJ_BOOL | opj_j2k_write_SQcd_SQcc (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_BYTE *p_data, OPJ_UINT32 *p_header_size, opj_event_mgr_t *p_manager)
| Writes a SQcd or SQcc element, i.e. More...
static void | opj_j2k_update_tlm (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_part_size)
| Updates the Tile Length Marker. More...
static OPJ_BOOL | opj_j2k_read_SQcd_SQcc (opj_j2k_t *p_j2k, OPJ_UINT32 compno, OPJ_BYTE *p_header_data, OPJ_UINT32 *p_header_size, opj_event_mgr_t *p_manager)
| Reads a SQcd or SQcc element, i.e. More...
static void | opj_j2k_copy_tile_component_parameters (opj_j2k_t *p_j2k)
| Copies the tile component parameters of all the component from the first tile component. More...
static void | opj_j2k_copy_tile_quantization_parameters (opj_j2k_t *p_j2k)
| Copies the tile quantization parameters of all the component from the first tile component. More...
static OPJ_BOOL | opj_j2k_decode_tiles (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Reads the tiles. More...
static OPJ_BOOL | opj_j2k_pre_write_tile (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_index, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
static OPJ_BOOL | opj_j2k_update_image_data (opj_tcd_t *p_tcd, OPJ_BYTE *p_data, opj_image_t *p_output_image)
static void | opj_get_tile_dimensions (opj_image_t *l_image, opj_tcd_tilecomp_t *l_tilec, opj_image_comp_t *l_img_comp, OPJ_UINT32 *l_size_comp, OPJ_UINT32 *l_width, OPJ_UINT32 *l_height, OPJ_UINT32 *l_offset_x, OPJ_UINT32 *l_offset_y, OPJ_UINT32 *l_image_width, OPJ_UINT32 *l_stride, OPJ_UINT32 *l_tile_offset)
static void | opj_j2k_get_tile_data (opj_tcd_t *p_tcd, OPJ_BYTE *p_data)
static OPJ_BOOL | opj_j2k_post_write_tile (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
static OPJ_BOOL | opj_j2k_setup_header_writing (opj_j2k_t *p_j2k, opj_event_mgr_t *p_manager)
| Sets up the procedures to do on writing header. More...
static OPJ_BOOL | opj_j2k_write_first_tile_part (opj_j2k_t *p_j2k, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_total_data_size, opj_stream_private_t *p_stream, struct opj_event_mgr *p_manager)
static OPJ_BOOL | opj_j2k_write_all_tile_parts (opj_j2k_t *p_j2k, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_total_data_size, opj_stream_private_t *p_stream, struct opj_event_mgr *p_manager)
static OPJ_BOOL | opj_j2k_get_end_header (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Gets the offset of the header. More...
static OPJ_BOOL | opj_j2k_allocate_tile_element_cstr_index (opj_j2k_t *p_j2k)
static OPJ_BOOL | opj_j2k_write_soc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the SOC marker (Start Of Codestream) More...
static OPJ_BOOL | opj_j2k_read_soc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Reads a SOC marker (Start of Codestream) More...
static OPJ_BOOL | opj_j2k_write_siz (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the SIZ marker (image and tile size) More...
static OPJ_BOOL | opj_j2k_read_siz (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a SIZ marker (image and tile size) More...
static OPJ_BOOL | opj_j2k_write_com (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the COM marker (comment) More...
static OPJ_BOOL | opj_j2k_read_com (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a COM marker (comments) More...
static OPJ_BOOL | opj_j2k_write_cod (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the COD marker (Coding style default) More...
static OPJ_BOOL | opj_j2k_read_cod (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a COD marker (Coding Styke defaults) More...
static OPJ_BOOL | opj_j2k_compare_coc (opj_j2k_t *p_j2k, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
| Compares 2 COC markers (Coding style component) More...
static OPJ_BOOL | opj_j2k_write_coc (opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the COC marker (Coding style component) More...
static void | opj_j2k_write_coc_in_memory (opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, opj_event_mgr_t *p_manager)
| Writes the COC marker (Coding style component) More...
static OPJ_UINT32 | opj_j2k_get_max_coc_size (opj_j2k_t *p_j2k)
| Gets the maximum size taken by a coc. More...
static OPJ_BOOL | opj_j2k_read_coc (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a COC marker (Coding Style Component) More...
static OPJ_BOOL | opj_j2k_write_qcd (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the QCD marker (quantization default) More...
static OPJ_BOOL | opj_j2k_read_qcd (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a QCD marker (Quantization defaults) More...
static OPJ_BOOL | opj_j2k_compare_qcc (opj_j2k_t *p_j2k, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
| Compare QCC markers (quantization component) More...
static OPJ_BOOL | opj_j2k_write_qcc (opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the QCC marker (quantization component) More...
static void | opj_j2k_write_qcc_in_memory (opj_j2k_t *p_j2k, OPJ_UINT32 p_comp_no, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, opj_event_mgr_t *p_manager)
| Writes the QCC marker (quantization component) More...
static OPJ_UINT32 | opj_j2k_get_max_qcc_size (opj_j2k_t *p_j2k)
| Gets the maximum size taken by a qcc. More...
static OPJ_BOOL | opj_j2k_read_qcc (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a QCC marker (Quantization component) More...
static OPJ_BOOL | opj_j2k_write_poc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the POC marker (Progression Order Change) More...
static void | opj_j2k_write_poc_in_memory (opj_j2k_t *p_j2k, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, opj_event_mgr_t *p_manager)
| Writes the POC marker (Progression Order Change) More...
static OPJ_UINT32 | opj_j2k_get_max_poc_size (opj_j2k_t *p_j2k)
| Gets the maximum size taken by the writing of a POC. More...
static OPJ_BOOL | opj_j2k_read_poc (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a POC marker (Progression Order Change) More...
static OPJ_UINT32 | opj_j2k_get_max_toc_size (opj_j2k_t *p_j2k)
| Gets the maximum size taken by the toc headers of all the tile parts of any given tile. More...
static OPJ_UINT32 | opj_j2k_get_specific_header_sizes (opj_j2k_t *p_j2k)
| Gets the maximum size taken by the headers of the SOT. More...
static OPJ_BOOL | opj_j2k_read_crg (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a CRG marker (Component registration) More...
static OPJ_BOOL | opj_j2k_read_tlm (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a TLM marker (Tile Length Marker) More...
static OPJ_BOOL | opj_j2k_write_updated_tlm (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the updated tlm. More...
static OPJ_BOOL | opj_j2k_read_plm (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a PLM marker (Packet length, main header marker) More...
static OPJ_BOOL | opj_j2k_read_plt (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a PLT marker (Packet length, tile-part header) More...
static OPJ_BOOL | opj_j2k_read_ppm (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a PPM marker (Packed headers, main header) More...
static OPJ_BOOL | opj_j2k_merge_ppm (opj_cp_t *p_cp, opj_event_mgr_t *p_manager)
| Merges all PPM markers read (Packed headers, main header) More...
static OPJ_BOOL | opj_j2k_read_ppt (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a PPT marker (Packed packet headers, tile-part header) More...
static OPJ_BOOL | opj_j2k_merge_ppt (opj_tcp_t *p_tcp, opj_event_mgr_t *p_manager)
| Merges all PPT markers read (Packed headers, tile-part header) More...
static OPJ_BOOL | opj_j2k_write_tlm (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the TLM marker (Tile Length Marker) More...
static OPJ_BOOL | opj_j2k_write_sot (opj_j2k_t *p_j2k, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, const opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the SOT marker (Start of tile-part) More...
static OPJ_BOOL | opj_j2k_get_sot_values (OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, OPJ_UINT32 *p_tile_no, OPJ_UINT32 *p_tot_len, OPJ_UINT32 *p_current_part, OPJ_UINT32 *p_num_parts, opj_event_mgr_t *p_manager)
| Reads values from a SOT marker (Start of tile-part) More...
static OPJ_BOOL | opj_j2k_read_sot (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a SOT marker (Start of tile-part) More...
static OPJ_BOOL | opj_j2k_write_sod (opj_j2k_t *p_j2k, opj_tcd_t *p_tile_coder, OPJ_BYTE *p_data, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_total_data_size, const opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the SOD marker (Start of data) More...
static OPJ_BOOL | opj_j2k_read_sod (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Reads a SOD marker (Start Of Data) More...
static OPJ_BOOL | opj_j2k_write_rgn (opj_j2k_t *p_j2k, OPJ_UINT32 p_tile_no, OPJ_UINT32 p_comp_no, OPJ_UINT32 nb_comps, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the RGN marker (Region Of Interest) More...
static OPJ_BOOL | opj_j2k_read_rgn (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a RGN marker (Region Of Interest) More...
static OPJ_BOOL | opj_j2k_write_eoc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the EOC marker (End of Codestream) More...
static OPJ_BOOL | opj_j2k_write_mct_data_group (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the CBD-MCT-MCC-MCO markers (Multi components transform) More...
static OPJ_BOOL | opj_j2k_init_info (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Inits the Info. More...
static OPJ_BOOL | opj_j2k_add_mhmarker (opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
| Add main header marker information. More...
static OPJ_BOOL | opj_j2k_add_tlmarker (OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
| Add tile header marker information. More...
static OPJ_BOOL | opj_j2k_read_unk (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, OPJ_UINT32 *output_marker, opj_event_mgr_t *p_manager)
| Reads an unknown marker. More...
static OPJ_BOOL | opj_j2k_write_mct_record (opj_j2k_t *p_j2k, opj_mct_data_t *p_mct_record, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the MCT marker (Multiple Component Transform) More...
static OPJ_BOOL | opj_j2k_read_mct (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a MCT marker (Multiple Component Transform) More...
static OPJ_BOOL | opj_j2k_write_mcc_record (opj_j2k_t *p_j2k, opj_simple_mcc_decorrelation_data_t *p_mcc_record, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the MCC marker (Multiple Component Collection) More...
static OPJ_BOOL | opj_j2k_read_mcc (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a MCC marker (Multiple Component Collection) More...
static OPJ_BOOL | opj_j2k_write_mco (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the MCO marker (Multiple component transformation ordering) More...
static OPJ_BOOL | opj_j2k_read_mco (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a MCO marker (Multiple Component Transform Ordering) More...
static OPJ_BOOL | opj_j2k_add_mct (opj_tcp_t *p_tcp, opj_image_t *p_image, OPJ_UINT32 p_index)
static void | opj_j2k_read_int16_to_float (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_int32_to_float (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_float32_to_float (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_float64_to_float (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_int16_to_int32 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_int32_to_int32 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_float32_to_int32 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_read_float64_to_int32 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_write_float_to_int16 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_write_float_to_int32 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_write_float_to_float (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static void | opj_j2k_write_float_to_float64 (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
static OPJ_BOOL | opj_j2k_end_encoding (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Ends the encoding, i.e. More...
static OPJ_BOOL | opj_j2k_write_cbd (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes the CBD marker (Component bit depth definition) More...
static OPJ_BOOL | opj_j2k_read_cbd (opj_j2k_t *p_j2k, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager)
| Reads a CBD marker (Component bit depth definition) More...
static OPJ_BOOL | opj_j2k_write_all_coc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes COC marker for each component. More...
static OPJ_BOOL | opj_j2k_write_all_qcc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes QCC marker for each component. More...
static OPJ_BOOL | opj_j2k_write_regions (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes regions of interests. More...
static OPJ_BOOL | opj_j2k_write_epc (opj_j2k_t *p_j2k, opj_stream_private_t *p_stream, opj_event_mgr_t *p_manager)
| Writes EPC ???? More...
static OPJ_BOOL | opj_j2k_check_poc_val (const opj_poc_t *p_pocs, OPJ_UINT32 p_nb_pocs, OPJ_UINT32 p_nb_resolutions, OPJ_UINT32 numcomps, OPJ_UINT32 numlayers, opj_event_mgr_t *p_manager)
| Checks the progression order changes values. More...
static OPJ_UINT32 | opj_j2k_get_num_tp (opj_cp_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno)
| Gets the number of tile parts used for the given change of progression (if any) and the given tile. More...
static OPJ_BOOL | opj_j2k_calculate_tp (opj_j2k_t *p_j2k, opj_cp_t *cp, OPJ_UINT32 *p_nb_tiles, opj_image_t *image, opj_event_mgr_t *p_manager)
| Calculates the total number of tile parts needed by the encoder to encode such an image. More...
static void | opj_j2k_dump_MH_info (opj_j2k_t *p_j2k, FILE *out_stream)
static void | opj_j2k_dump_MH_index (opj_j2k_t *p_j2k, FILE *out_stream)
static opj_codestream_index_t * | opj_j2k_create_cstr_index (void)
static OPJ_FLOAT32 | opj_j2k_get_tp_stride (opj_tcp_t *p_tcp)
static OPJ_FLOAT32 | opj_j2k_get_default_stride (opj_tcp_t *p_tcp)
static int | opj_j2k_initialise_4K_poc (opj_poc_t *POC, int numres)
static void | opj_j2k_set_cinema_parameters (opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager)
static OPJ_BOOL | opj_j2k_is_cinema_compliant (opj_image_t *image, OPJ_UINT16 rsiz, opj_event_mgr_t *p_manager)
static OPJ_BOOL | opj_j2k_need_nb_tile_parts_correction (opj_stream_private_t *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL *p_correction_needed, opj_event_mgr_t *p_manager)
| Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). More...

## Variables
static j2k_prog_order_t | j2k_prog_order_list []
static const OPJ_UINT32 | MCT_ELEMENT_SIZE []
| FIXME DOC. More...
static const opj_j2k_mct_function | j2k_mct_read_functions_to_float []
static const opj_j2k_mct_function | j2k_mct_read_functions_to_int32 []
static const opj_j2k_mct_function | j2k_mct_write_functions_from_float []
static const opj_dec_memory_marker_handler_t | j2k_memory_marker_handler_tab []

## Typedef Documentation

## § j2k_prog_order_t

typedef struct j2k_prog_order j2k_prog_order_t

## § opj_dec_memory_marker_handler_t

typedef struct opj_dec_memory_marker_handler opj_dec_memory_marker_handler_t

## § opj_j2k_mct_function

typedef void(* opj_j2k_mct_function) (const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)

## Function Documentation

## § j2k_destroy_cstr_index()

void j2k_destroy_cstr_index | ( | opj_codestream_index_t * | p_cstr_ind | ) |

Destroys a codestream index structure.

Parameters

  p_cstr_ind | the codestream index parameter to destroy.

References opj_tile_index::marker, opj_codestream_index::marker, opj_codestream_index::nb_of_tiles, opj_free(), opj_tile_index::packet_index, opj_codestream_index::tile_index, and opj_tile_index::tp_index.

Referenced by opj_destroy_cstr_index(), and opj_j2k_destroy().

## § j2k_dump()

void j2k_dump | ( | opj_j2k_t * | p_j2k,
|  | OPJ_INT32 | flag,
|  | FILE * | out_stream
| ) |  |

Dump some elements from the J2K decompression structure .

Parameters

  p_j2k | the jpeg2000 codec.
  flag | flag to describe what elments are dump.
  out_stream | output stream where dump the elements.

References j2k_dump_image_header(), opj_j2k::m_cp, opj_j2k::m_private_image, opj_image::numcomps, OPJ_IMG_INFO, opj_j2k_dump_MH_index(), opj_j2k_dump_MH_info(), opj_j2k_dump_tile_info(), OPJ_J2K_MH_IND, OPJ_J2K_MH_INFO, OPJ_J2K_TCH_INFO, OPJ_J2K_TH_IND, OPJ_J2K_TH_INFO, OPJ_JP2_IND, OPJ_JP2_INFO, opj_cp::tcps, opj_cp::th, and opj_cp::tw.

Referenced by jp2_dump(), and opj_create_decompress().

## § j2k_dump_image_comp_header()

void j2k_dump_image_comp_header | ( | opj_image_comp_t * | comp,
|  | OPJ_BOOL | dev_dump_flag,
|  | FILE * | out_stream
| ) |  |

Dump a component image header structure.

Parameters

  comp | the component image header to dump.
  dev_dump_flag | flag to describe if we are in the case of this function is use outside j2k_dump function
  out_stream | output stream where dump the elements.

References opj_image_comp::dx, opj_image_comp::dy, opj_image_comp::prec, and opj_image_comp::sgnd.

Referenced by j2k_dump_image_header().

## § j2k_dump_image_header()

void j2k_dump_image_header | ( | opj_image_t * | image,
|  | OPJ_BOOL | dev_dump_flag,
|  | FILE * | out_stream
| ) |  |

Dump an image header structure.

Parameters

  image | the image header to dump.
  dev_dump_flag | flag to describe if we are in the case of this function is use outside j2k_dump function
  out_stream | output stream where dump the elements.

References opj_image::comps, j2k_dump_image_comp_header(), opj_image::numcomps, opj_image::x0, opj_image::x1, opj_image::y0, and opj_image::y1.

Referenced by j2k_dump().

## § j2k_get_cstr_index()

opj_codestream_index_t* j2k_get_cstr_index | ( | opj_j2k_t * | p_j2k | ) |

Get the codestream index from a JPEG2000 codec.

Parameters

  p_j2k | the component image header to dump.

Returns
  the codestream index extract from the jpg2000 codec

References opj_codestream_index::codestream_size, opj_j2k::cstr_index, opj_codestream_index::main_head_end, opj_codestream_index::main_head_start, opj_tile_index::marker, opj_codestream_index::marker, opj_tile_index::marknum, opj_codestream_index::marknum, opj_codestream_index::nb_of_tiles, opj_tile_index::nb_packet, opj_tile_index::nb_tps, opj_calloc(), opj_free(), opj_malloc(), opj_tile_index::packet_index, opj_codestream_index::tile_index, and opj_tile_index::tp_index.

Referenced by jp2_get_cstr_index(), and opj_create_decompress().

## § j2k_get_cstr_info()

opj_codestream_info_v2_t* j2k_get_cstr_info | ( | opj_j2k_t * | p_j2k | ) |

Get the codestream info from a JPEG2000 codec.

Parameters

  p_j2k | the component image header to dump.

Returns
  the codestream information extract from the jpg2000 codec

References opj_tccp::cblkh, opj_tccp_info::cblkh, opj_tccp::cblksty, opj_tccp_info::cblksty, opj_tccp::cblkw, opj_tccp_info::cblkw, opj_tccp::csty, opj_tcp::csty, opj_tccp_info::csty, opj_tile_v2_info::csty, opj_stepsize::expn, J2K_CCP_QNTSTY_SIQNT, opj_j2k::m_cp, opj_j2k::m_decoder, opj_j2k_dec::m_default_tcp, opj_codestream_info_v2::m_default_tile_info, opj_j2k::m_private_image, opj_j2k::m_specific_param, opj_stepsize::mant, opj_tcp::mct, opj_tile_v2_info::mct, opj_codestream_info_v2::nbcomps, opj_image::numcomps, opj_tccp::numgbits, opj_tccp_info::numgbits, opj_tcp::numlayers, opj_tile_v2_info::numlayers, opj_tccp::numresolutions, opj_tccp_info::numresolutions, opj_calloc(), opj_destroy_cstr_info(), OPJ_J2K_MAXBANDS, OPJ_J2K_MAXRLVLS, opj_tccp::prch, opj_tccp_info::prch, opj_tccp::prcw, opj_tccp_info::prcw, opj_tcp::prg, opj_tile_v2_info::prg, opj_tccp::qmfbid, opj_tccp_info::qmfbid, opj_tccp::qntsty, opj_tccp_info::qntsty, opj_tccp::roishift, opj_tccp_info::roishift, opj_tccp::stepsizes, opj_tccp_info::stepsizes_expn, opj_tccp_info::stepsizes_mant, opj_tile_v2_info::tccp_info, opj_tcp::tccps, opj_cp::tdx, opj_codestream_info_v2::tdx, opj_cp::tdy, opj_codestream_info_v2::tdy, opj_cp::th, opj_codestream_info_v2::th, opj_codestream_info_v2::tile_info, opj_cp::tw, opj_codestream_info_v2::tw, opj_cp::tx0, opj_codestream_info_v2::tx0, opj_cp::ty0, and opj_codestream_info_v2::ty0.

Referenced by jp2_get_cstr_info(), and opj_create_decompress().

## § opj_j2k_create_decompress()

opj_j2k_t* opj_j2k_create_decompress | ( | void |  | ) |

Creates a J2K decompression structure.

Returns
  a handle to a J2K decompressor if successful, NULL otherwise.

References opj_j2k::cstr_index, opj_j2k::m_cp, opj_j2k::m_decoder, opj_j2k_dec::m_default_tcp, opj_j2k_dec::m_header_data, opj_j2k_dec::m_header_data_size, opj_cp::m_is_decoder, opj_j2k::m_is_decoder, opj_j2k_dec::m_last_sot_read_pos, opj_j2k_dec::m_nb_tile_parts_correction_checked, opj_j2k::m_procedure_list, opj_j2k::m_specific_param, opj_j2k_dec::m_tile_ind_to_dec, opj_j2k::m_validation_list, opj_calloc(), opj_j2k_create_cstr_index(), OPJ_J2K_DEFAULT_HEADER_SIZE, opj_j2k_destroy(), and opj_procedure_list_create().

Referenced by opj_create_decompress(), and opj_jp2_create().

## § opj_j2k_decode()

OPJ_BOOL opj_j2k_decode | ( | opj_j2k_t * | j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_image_t * | p_image,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Decode an image from a JPEG-2000 codestream.

Parameters

  j2k | J2K decompressor handle
  p_stream | FIXME DOC
  p_image | FIXME DOC
  p_manager | FIXME DOC

Returns
  FIXME DOC

References opj_image::comps, opj_image_comp::data, opj_image_comp::h, opj_j2k::m_output_image, opj_j2k::m_private_image, opj_j2k::m_procedure_list, opj_image::numcomps, opj_copy_image_header(), OPJ_FALSE, opj_image_create0(), opj_image_destroy(), opj_j2k_exec(), opj_j2k_setup_decoding(), OPJ_TRUE, opj_image_comp::resno_decoded, and opj_image_comp::w.

Referenced by opj_create_decompress(), and opj_jp2_decode().

## § opj_j2k_decode_one_tile()

static OPJ_BOOL opj_j2k_decode_one_tile | ( | opj_j2k_t * | p_j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |
| static

References opj_j2k::cstr_index, EVT_ERROR, EVT_INFO, EVT_WARNING, J2K_STATE_EOC, J2K_STATE_TPHSOT, opj_j2k::m_cp, opj_j2k::m_decoder, opj_j2k_dec::m_last_sot_read_pos, opj_j2k::m_output_image, opj_j2k::m_specific_param, opj_j2k_dec::m_state, opj_j2k::m_tcd, opj_j2k_dec::m_tile_ind_to_dec, opj_codestream_index::main_head_end, opj_tile_index::nb_tps, opj_event_msg(), OPJ_FALSE, opj_free(), opj_j2k_allocate_tile_element_cstr_index(), opj_j2k_decode_tile(), opj_j2k_read_tile_header(), opj_j2k_update_image_data(), opj_malloc(), opj_realloc(), opj_stream_read_seek(), OPJ_TRUE, opj_tp_index::start_pos, opj_cp::th, opj_codestream_index::tile_index, opj_tile_index::tp_index, and opj_cp::tw.

Referenced by opj_j2k_setup_decoding_tile().

## § opj_j2k_decode_tile()

OPJ_BOOL opj_j2k_decode_tile | ( | opj_j2k_t * | p_j2k,
|  | OPJ_UINT32 | p_tile_index,
|  | OPJ_BYTE * | p_data,
|  | OPJ_UINT32 | p_data_size,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Decode tile data.

Parameters

  p_j2k | the jpeg2000 codec.
  p_tile_index |
  p_data | FIXME DOC
  p_data_size | FIXME DOC
  p_stream | the stream to write data to.
  p_manager | the user event manager.

References opj_j2k::cstr_index, EVT_ERROR, EVT_WARNING, J2K_MS_EOC, J2K_MS_SOT, J2K_STATE_NEOC, opj_j2k_dec::m_can_decode, opj_j2k::m_cp, opj_j2k::m_current_tile_number, opj_tcp::m_data, opj_tcp::m_data_size, opj_j2k::m_decoder, opj_j2k::m_specific_param, opj_j2k_dec::m_state, opj_j2k::m_tcd, opj_event_msg(), OPJ_FALSE, opj_j2k_tcp_data_destroy(), opj_j2k_tcp_destroy(), opj_read_bytes, opj_stream_get_number_byte_left(), opj_stream_read_data(), opj_tcd_decode_tile(), opj_tcd_update_tile_data(), OPJ_TRUE, and opj_cp::tcps.

Referenced by opj_create_decompress(), opj_j2k_decode_one_tile(), opj_j2k_decode_tiles(), and opj_jp2_decode_tile().

## § opj_j2k_destroy()

void opj_j2k_destroy | ( | opj_j2k_t * | p_j2k | ) |

Destroys a jpeg2000 codec.

Parameters

  p_j2k | the jpeg20000 structure to destroy.

References opj_j2k::cstr_index, j2k_destroy_cstr_index(), opj_j2k::m_cp, opj_j2k::m_decoder, opj_j2k_dec::m_default_tcp, opj_j2k_enc::m_encoded_tile_data, opj_j2k::m_encoder, opj_j2k_dec::m_header_data, opj_j2k_dec::m_header_data_size, opj_j2k_enc::m_header_tile_data, opj_j2k_enc::m_header_tile_data_size, opj_j2k::m_is_decoder, opj_j2k::m_output_image, opj_j2k::m_private_image, opj_j2k::m_procedure_list, opj_j2k::m_specific_param, opj_j2k::m_tcd, opj_j2k_enc::m_tlm_sot_offsets_buffer, opj_j2k_enc::m_tlm_sot_offsets_current, opj_j2k::m_validation_list, opj_free(), opj_image_destroy(), opj_j2k_cp_destroy(), opj_j2k_tcp_destroy(), opj_procedure_list_destroy(), and opj_tcd_destroy().

Referenced by opj_create_compress(), opj_create_decompress(), opj_j2k_create_compress(), opj_j2k_create_decompress(), and opj_jp2_destroy().

## § opj_j2k_dump_tile_info()

static void opj_j2k_dump_tile_info | ( | opj_tcp_t * | l_default_tile,
|  | OPJ_INT32 | numcomps,
|  | FILE * | out_stream
| ) |  |
| static

References opj_tccp::cblkh, opj_tccp::cblksty, opj_tccp::cblkw, opj_tccp::csty, opj_tcp::csty, opj_stepsize::expn, J2K_CCP_QNTSTY_SIQNT, opj_stepsize::mant, opj_tcp::mct, opj_tccp::numgbits, opj_tcp::numlayers, opj_tccp::numresolutions, opj_tccp::prch, opj_tccp::prcw, opj_tcp::prg, opj_tccp::qmfbid, opj_tccp::qntsty, opj_tccp::roishift, opj_tccp::stepsizes, and opj_tcp::tccps.

Referenced by j2k_dump(), and opj_j2k_dump_MH_info().

## § opj_j2k_encode()

OPJ_BOOL opj_j2k_encode | ( | opj_j2k_t * | p_j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Encodes an image into a JPEG-2000 codestream.

References opj_tcd_tile::comps, opj_image::comps, opj_tcd_tilecomp::data, opj_image_comp::data, EVT_ERROR, opj_tcd::image, opj_j2k::m_cp, opj_j2k::m_tcd, opj_image::numcomps, opj_alloc_tile_component_data(), opj_event_msg(), OPJ_FALSE, opj_free(), opj_j2k_get_tile_data(), opj_j2k_post_write_tile(), opj_j2k_pre_write_tile(), opj_realloc(), opj_tcd_copy_tile_data(), opj_tcd_get_encoded_tile_size(), OPJ_TRUE, opj_tcd_tilecomp::ownsData, opj_tcd::tcd_image, opj_cp::th, opj_tcd_image::tiles, and opj_cp::tw.

Referenced by opj_create_compress(), and opj_jp2_encode().

## § opj_j2k_end_compress()

OPJ_BOOL opj_j2k_end_compress | ( | opj_j2k_t * | p_j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Ends the compression procedures and possibiliy add data to be read after the codestream.

References opj_j2k::m_procedure_list, OPJ_FALSE, opj_j2k_exec(), opj_j2k_setup_end_compress(), and OPJ_TRUE.

Referenced by opj_create_compress(), and opj_jp2_end_compress().

## § opj_j2k_end_decompress()

OPJ_BOOL opj_j2k_end_decompress | ( | opj_j2k_t * | p_j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Ends the decompression procedures and possibiliy add data to be read after the codestream.

References OPJ_TRUE.

Referenced by opj_create_decompress(), and opj_jp2_end_decompress().

## § opj_j2k_get_tile()

OPJ_BOOL opj_j2k_get_tile | ( | opj_j2k_t * | p_j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_image_t * | p_image,
|  | opj_event_mgr_t * | p_manager,
|  | OPJ_UINT32 | tile_index
| ) |  |

References opj_image::comps, opj_image_comp::data, opj_image_comp::dx, opj_image_comp::dy, EVT_ERROR, opj_image_comp::factor, opj_image_comp::h, opj_j2k::m_cp, opj_j2k::m_decoder, opj_j2k::m_output_image, opj_j2k::m_private_image, opj_j2k::m_procedure_list, opj_j2k::m_specific_param, opj_j2k_dec::m_tile_ind_to_dec, opj_image::numcomps, opj_copy_image_header(), opj_event_msg(), OPJ_FALSE, opj_free(), opj_image_create0(), opj_image_destroy(), opj_int_ceildiv(), opj_int_ceildivpow2(), opj_j2k_exec(), opj_j2k_setup_decoding_tile(), OPJ_TRUE, opj_image_comp::resno_decoded, opj_cp::tdx, opj_cp::tdy, opj_cp::th, opj_cp::tw, opj_cp::tx0, opj_cp::ty0, opj_image_comp::w, opj_image_comp::x0, opj_image::x0, opj_image::x1, opj_image_comp::y0, opj_image::y0, and opj_image::y1.

Referenced by opj_create_decompress(), and opj_jp2_get_tile().

## § opj_j2k_read_header()

OPJ_BOOL opj_j2k_read_header | ( | opj_stream_private_t * | p_stream,
|  | opj_j2k_t * | p_j2k,
|  | opj_image_t ** | p_image,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Reads a jpeg2000 codestream header structure.

Parameters

  p_stream | the stream to read data from.
  p_j2k | the jpeg2000 codec.
  p_image | FIXME DOC
  p_manager | the user event manager.

Returns
  true if the box is valid.

References opj_j2k::m_private_image, opj_j2k::m_procedure_list, opj_j2k::m_validation_list, opj_copy_image_header(), OPJ_FALSE, opj_image_create0(), opj_image_destroy(), opj_j2k_allocate_tile_element_cstr_index(), opj_j2k_exec(), opj_j2k_setup_decoding_validation(), opj_j2k_setup_header_reading(), and OPJ_TRUE.

Referenced by opj_create_decompress(), and opj_jp2_read_header().

## § opj_j2k_read_tile_header()

OPJ_BOOL opj_j2k_read_tile_header | ( | opj_j2k_t * | p_j2k,
|  | OPJ_UINT32 * | p_tile_index,
|  | OPJ_UINT32 * | p_data_size,
|  | OPJ_INT32 * | p_tile_x0,
|  | OPJ_INT32 * | p_tile_y0,
|  | OPJ_INT32 * | p_tile_x1,
|  | OPJ_INT32 * | p_tile_y1,
|  | OPJ_UINT32 * | p_nb_comps,
|  | OPJ_BOOL * | p_go_on,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Reads a tile header.

Parameters

  p_j2k | the jpeg2000 codec.
  p_tile_index | FIXME DOC
  p_data_size | FIXME DOC
  p_tile_x0 | FIXME DOC
  p_tile_y0 | FIXME DOC
  p_tile_x1 | FIXME DOC
  p_tile_y1 | FIXME DOC
  p_nb_comps | FIXME DOC
  p_go_on | FIXME DOC
  p_stream | the stream to write data to.
  p_manager | the user event manager.

References opj_j2k::cstr_index, EVT_ERROR, EVT_INFO, EVT_WARNING, opj_dec_memory_marker_handler::handler, opj_dec_memory_marker_handler::id, J2K_MS_EOC, J2K_MS_SOD, J2K_MS_SOT, J2K_STATE_EOC, J2K_STATE_NEOC, J2K_STATE_TPH, J2K_STATE_TPHSOT, opj_j2k_dec::m_can_decode, opj_j2k::m_cp, opj_j2k::m_current_tile_number, opj_tcp::m_data, opj_j2k::m_decoder, opj_j2k_dec::m_header_data, opj_j2k_dec::m_header_data_size, opj_j2k_dec::m_last_sot_read_pos, opj_tcp::m_nb_tile_parts, opj_j2k_dec::m_nb_tile_parts_correction, opj_j2k_dec::m_nb_tile_parts_correction_checked, opj_j2k_dec::m_skip_data, opj_j2k_dec::m_sot_length, opj_j2k::m_specific_param, opj_j2k_dec::m_state, opj_j2k::m_tcd, opj_tcd_tile::numcomps, opj_event_msg(), OPJ_FALSE, opj_free(), opj_j2k_add_tlmarker(), opj_j2k_get_marker_handler(), opj_j2k_merge_ppt(), opj_j2k_need_nb_tile_parts_correction(), opj_j2k_read_sod(), opj_read_bytes, opj_realloc(), opj_stream_get_number_byte_left(), opj_stream_read_data(), opj_stream_skip(), opj_stream_tell(), opj_tcd_get_decoded_tile_size(), opj_tcd_init_decode_tile(), OPJ_TRUE, opj_dec_memory_marker_handler::states, opj_tcd::tcd_image, opj_cp::tcps, opj_cp::th, opj_tcd_image::tiles, opj_cp::tw, opj_tcd_tile::x0, opj_tcd_tile::x1, opj_tcd_tile::y0, and opj_tcd_tile::y1.

Referenced by opj_create_decompress(), opj_j2k_decode_one_tile(), opj_j2k_decode_tiles(), and opj_jp2_read_tile_header().

## § opj_j2k_set_decode_area()

OPJ_BOOL opj_j2k_set_decode_area | ( | opj_j2k_t * | p_j2k,
|  | opj_image_t * | p_image,
|  | OPJ_INT32 | p_start_x,
|  | OPJ_INT32 | p_start_y,
|  | OPJ_INT32 | p_end_x,
|  | OPJ_INT32 | p_end_y,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Sets the given area to be decoded.

This function should be called right after opj_read_header and before any tile header reading.

Parameters

  p_j2k | the jpeg2000 codec.
  p_image | FIXME DOC
  p_start_x | the left position of the rectangle to decode (in image coordinates).
  p_start_y | the up position of the rectangle to decode (in image coordinates).
  p_end_x | the right position of the rectangle to decode (in image coordinates).
  p_end_y | the bottom position of the rectangle to decode (in image coordinates).
  p_manager | the user event manager

Returns
  true if the area could be set.

References opj_image::comps, opj_image_comp::dx, opj_image_comp::dy, EVT_ERROR, EVT_INFO, EVT_WARNING, opj_image_comp::factor, opj_image_comp::h, J2K_STATE_TPHSOT, opj_j2k::m_cp, opj_j2k::m_decoder, opj_j2k_dec::m_discard_tiles, opj_j2k_dec::m_end_tile_x, opj_j2k_dec::m_end_tile_y, opj_j2k::m_private_image, opj_j2k::m_specific_param, opj_j2k_dec::m_start_tile_x, opj_j2k_dec::m_start_tile_y, opj_j2k_dec::m_state, opj_image::numcomps, opj_event_msg(), OPJ_FALSE, opj_int_ceildiv(), opj_int_ceildivpow2(), OPJ_TRUE, opj_cp::tdx, opj_cp::tdy, opj_cp::th, opj_cp::tw, opj_cp::tx0, opj_cp::ty0, opj_image_comp::w, opj_image_comp::x0, opj_image::x0, opj_image::x1, opj_image_comp::y0, opj_image::y0, and opj_image::y1.

Referenced by opj_create_decompress(), and opj_jp2_set_decode_area().

## § opj_j2k_set_decoded_resolution_factor()

OPJ_BOOL opj_j2k_set_decoded_resolution_factor | ( | opj_j2k_t * | p_j2k,
|  | OPJ_UINT32 | res_factor,
|  | opj_event_mgr_t * | p_manager
| ) |  |

References opj_image::comps, EVT_ERROR, opj_image_comp::factor, opj_j2k::m_cp, opj_cp::m_dec, opj_j2k::m_decoder, opj_j2k_dec::m_default_tcp, opj_j2k::m_private_image, opj_decoding_param::m_reduce, opj_cp::m_specific_param, opj_j2k::m_specific_param, opj_image::numcomps, opj_tccp::numresolutions, opj_event_msg(), OPJ_FALSE, OPJ_TRUE, and opj_tcp::tccps.

Referenced by opj_create_decompress(), and opj_jp2_set_decoded_resolution_factor().

## § opj_j2k_setup_decoding()

static OPJ_BOOL opj_j2k_setup_decoding | ( | opj_j2k_t * | p_j2k,
|  | opj_event_mgr_t * | p_manager
| ) |  |
| static

Sets up the procedures to do on decoding data.

Developpers wanting to extend the library can add their own reading procedures.

References opj_j2k::m_procedure_list, OPJ_FALSE, opj_j2k_decode_tiles(), opj_procedure_list_add_procedure(), and OPJ_TRUE.

Referenced by opj_j2k_decode().

## § opj_j2k_setup_decoding_tile()

static OPJ_BOOL opj_j2k_setup_decoding_tile | ( | opj_j2k_t * | p_j2k,
|  | opj_event_mgr_t * | p_manager
| ) |  |
| static

Sets up the procedures to do on decoding one tile.

Developpers wanting to extend the library can add their own reading procedures.

References opj_j2k::m_procedure_list, OPJ_FALSE, opj_j2k_decode_one_tile(), opj_procedure_list_add_procedure(), and OPJ_TRUE.

Referenced by opj_j2k_get_tile().

## § opj_j2k_setup_mct_encoding()

OPJ_BOOL opj_j2k_setup_mct_encoding | ( | opj_tcp_t * | p_tcp,
|  | opj_image_t * | p_image
| ) |  |

References j2k_mct_write_functions_from_float, opj_mct_data::m_array_type, opj_mct_data::m_data, opj_mct_data::m_data_size, opj_tccp::m_dc_level_shift, opj_simple_mcc_decorrelation_data::m_decorrelation_array, opj_mct_data::m_element_type, opj_mct_data::m_index, opj_simple_mcc_decorrelation_data::m_index, opj_simple_mcc_decorrelation_data::m_is_irreversible, opj_tcp::m_mcc_records, opj_tcp::m_mct_decoding_matrix, opj_tcp::m_mct_records, opj_simple_mcc_decorrelation_data::m_nb_comps, opj_tcp::m_nb_max_mcc_records, opj_tcp::m_nb_max_mct_records, opj_tcp::m_nb_mcc_records, opj_tcp::m_nb_mct_records, opj_simple_mcc_decorrelation_data::m_offset_array, opj_tcp::mct, MCT_ELEMENT_SIZE, MCT_TYPE_DECORRELATION, MCT_TYPE_FLOAT, MCT_TYPE_OFFSET, opj_image::numcomps, OPJ_FALSE, opj_free(), OPJ_J2K_MCT_DEFAULT_NB_RECORDS, opj_malloc(), opj_realloc(), OPJ_TRUE, and opj_tcp::tccps.

Referenced by opj_j2k_setup_encoder().

## § opj_j2k_start_compress()

OPJ_BOOL opj_j2k_start_compress | ( | opj_j2k_t * | p_j2k,
|  | opj_stream_private_t * | p_stream,
|  | opj_image_t * | p_image,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Starts a compression scheme, i.e.

validates the codec parameters, writes the header.

Parameters

  p_j2k | the jpeg2000 codec.
  p_stream | the stream object.
  p_image | FIXME DOC
  p_manager | the user event manager.

Returns
  true if the codec is valid.

References opj_image::comps, opj_image_comp::data, EVT_ERROR, opj_j2k::m_private_image, opj_j2k::m_procedure_list, opj_j2k::m_validation_list, opj_image::numcomps, opj_copy_image_header(), opj_event_msg(), OPJ_FALSE, opj_image_create0(), opj_j2k_exec(), opj_j2k_setup_encoding_validation(), opj_j2k_setup_header_writing(), and OPJ_TRUE.

Referenced by opj_create_compress(), and opj_jp2_start_compress().

## § opj_j2k_write_tile()

OPJ_BOOL opj_j2k_write_tile | ( | opj_j2k_t * | p_j2k,
|  | OPJ_UINT32 | p_tile_index,
|  | OPJ_BYTE * | p_data,
|  | OPJ_UINT32 | p_data_size,
|  | opj_stream_private_t * | p_stream,
|  | opj_event_mgr_t * | p_manager
| ) |  |

Writes a tile.

Parameters

  p_j2k | the jpeg2000 codec.
  p_tile_index | FIXME DOC
  p_data | FIXME DOC
  p_data_size | FIXME DOC
  p_stream | the stream to write data to.
  p_manager | the user event manager.

References opj_tcd_tile::comps, EVT_ERROR, opj_tcd::image, opj_j2k::m_tcd, opj_image::numcomps, opj_alloc_tile_component_data(), opj_event_msg(), OPJ_FALSE, opj_j2k_post_write_tile(), opj_j2k_pre_write_tile(), opj_tcd_copy_tile_data(), OPJ_TRUE, opj_tcd::tcd_image, and opj_tcd_image::tiles.

Referenced by opj_create_compress(), and opj_jp2_write_tile().

## Variable Documentation

## § j2k_mct_read_functions_to_float

const opj_j2k_mct_function j2k_mct_read_functions_to_float[]
| static

Initial value:
=
{
opj_j2k_read_int16_to_float,
opj_j2k_read_int32_to_float,
opj_j2k_read_float32_to_float,
opj_j2k_read_float64_to_float
}
opj_j2k_read_float64_to_float
static void opj_j2k_read_float64_to_float(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1417
opj_j2k_read_int32_to_float
static void opj_j2k_read_int32_to_float(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1385
opj_j2k_read_float32_to_float
static void opj_j2k_read_float32_to_float(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1401
opj_j2k_read_int16_to_float
static void opj_j2k_read_int16_to_float(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1369

Referenced by opj_j2k_add_mct().

## § j2k_mct_read_functions_to_int32

const opj_j2k_mct_function j2k_mct_read_functions_to_int32[]
| static

Initial value:
=
{
opj_j2k_read_int16_to_int32,
opj_j2k_read_int32_to_int32,
opj_j2k_read_float32_to_int32,
opj_j2k_read_float64_to_int32
}
opj_j2k_read_int16_to_int32
static void opj_j2k_read_int16_to_int32(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1433
opj_j2k_read_float32_to_int32
static void opj_j2k_read_float32_to_int32(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1465
opj_j2k_read_int32_to_int32
static void opj_j2k_read_int32_to_int32(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1449
opj_j2k_read_float64_to_int32
static void opj_j2k_read_float64_to_int32(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1481

Referenced by opj_j2k_add_mct().

## § j2k_mct_write_functions_from_float

const opj_j2k_mct_function j2k_mct_write_functions_from_float[]
| static

Initial value:
=
{
opj_j2k_write_float_to_int16,
opj_j2k_write_float_to_int32,
opj_j2k_write_float_to_float,
opj_j2k_write_float_to_float64
}
opj_j2k_write_float_to_float
static void opj_j2k_write_float_to_float(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1529
opj_j2k_write_float_to_int16
static void opj_j2k_write_float_to_int16(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1497
opj_j2k_write_float_to_float64
static void opj_j2k_write_float_to_float64(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1545
opj_j2k_write_float_to_int32
static void opj_j2k_write_float_to_int32(const void *p_src_data, void *p_dest_data, OPJ_UINT32 p_nb_elem)
Definition: j2k.c:1513

Referenced by opj_j2k_setup_mct_encoding().

## § j2k_memory_marker_handler_tab

const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab[]
| static

## § j2k_prog_order_list

j2k_prog_order_t j2k_prog_order_list[]
| static

Initial value:
= {
{OPJ_CPRL, "CPRL"},
{OPJ_LRCP, "LRCP"},
{OPJ_PCRL, "PCRL"},
{OPJ_RLCP, "RLCP"},
{OPJ_RPCL, "RPCL"},
{(OPJ_PROG_ORDER)-1, ""}
}
OPJ_LRCP
layer-resolution-component-precinct order
Definition: openjpeg.h:269
OPJ_RLCP
resolution-layer-component-precinct order
Definition: openjpeg.h:270
OPJ_RPCL
resolution-precinct-component-layer order
Definition: openjpeg.h:271
OPJ_PROG_ORDER
enum PROG_ORDER OPJ_PROG_ORDER
Progression order.
OPJ_CPRL
component-precinct-resolution-layer order
Definition: openjpeg.h:273
OPJ_PCRL
precinct-component-resolution-layer order
Definition: openjpeg.h:272

## § MCT_ELEMENT_SIZE

const OPJ_UINT32 MCT_ELEMENT_SIZE[]
| static

Initial value:
=
{
2,
4,
4,
8
}

FIXME DOC.

Referenced by opj_j2k_add_mct(), and opj_j2k_setup_mct_encoding().