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_BOOL	opj_j2k_set_threads (opj_j2k_t *j2k, OPJ_UINT32 num_threads)
static int	opj_j2k_get_default_thread_count ()
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...

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 []

Local static functions
#define	OPJ_UNUSED(x)   (void)x
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...

Typedef Documentation

typedef struct j2k_prog_order j2k_prog_order_t

typedef struct opj_dec_memory_marker_handler opj_dec_memory_marker_handler_t

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

Function Documentation

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().

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 elements 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().

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().

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().

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().

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_t* opj_j2k_create_decompress

(

void

)

Creates a J2K decompression structure.

Returns

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

References opj_cp::allow_different_bit_depth_sign, 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_tp, opj_j2k::m_validation_list, opj_calloc(), opj_j2k_create_cstr_index(), OPJ_J2K_DEFAULT_HEADER_SIZE, opj_j2k_destroy(), opj_j2k_get_default_thread_count(), opj_procedure_list_create(), and opj_thread_pool_create().

Referenced by opj_create_decompress(), and opj_jp2_create().

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().

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_tcp::m_current_tile_part_number, 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::tcps, 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_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_DATA, J2K_STATE_EOC, J2K_STATE_ERR, 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().

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_tp, opj_j2k::m_validation_list, opj_free(), opj_image_destroy(), opj_j2k_cp_destroy(), opj_j2k_tcp_destroy(), opj_procedure_list_destroy(), opj_tcd_destroy(), and opj_thread_pool_destroy().

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

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_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_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_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().

static int opj_j2k_get_default_thread_count ( )

static

References opj_get_num_cpus(), and opj_has_thread_support().

Referenced by opj_j2k_create_compress(), and opj_j2k_create_decompress().

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_image_create0(), opj_image_data_free(), 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_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_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_DATA, 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_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_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().

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().

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_BOOL opj_j2k_setup_mct_encoding	(	opj_tcp_t *	p_tcp,
		opj_image_t *	p_image
	)

References 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_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_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_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

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
}

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
}

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
}

const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab[]

static

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, ""}
}

const OPJ_UINT32 MCT_ELEMENT_SIZE[]

static

Initial value:

= {
    2,
    4,
    4,
    8
}

FIXME DOC.