jp2.c File Reference

#include "opj_includes.h"

Functions
void	jp2_write_jp2h (opj_jp2_t *jp2, opj_cio_t *cio)
	Write the JP2H box - JP2 Header box (used in MJ2).
bool	jp2_read_jp2h (opj_jp2_t *jp2, opj_cio_t *cio)
	Read the JP2H box - JP2 Header box (used in MJ2).
opj_jp2_t *	jp2_create_decompress (opj_common_ptr cinfo)
	Creates a JP2 decompression structure.
void	jp2_destroy_decompress (opj_jp2_t *jp2)
	Destroy a JP2 decompressor handle.
void	jp2_setup_decoder (opj_jp2_t *jp2, opj_dparameters_t *parameters)
	Setup the decoder decoding parameters using user parameters.
opj_image_t *	jp2_decode (opj_jp2_t *jp2, opj_cio_t *cio, opj_codestream_info_t *cstr_info)
	Decode an image from a JPEG-2000 file stream.
opj_jp2_t *	jp2_create_compress (opj_common_ptr cinfo)
	Creates a JP2 compression structure.
void	jp2_destroy_compress (opj_jp2_t *jp2)
	Destroy a JP2 compressor handle.
void	jp2_setup_encoder (opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image)
	Setup the encoder parameters using the current image and using user parameters.
bool	jp2_encode (opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info)
	Encode an image into a JPEG-2000 file stream.
Local static functions
static bool	jp2_read_boxhdr (opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box)
	Read box headers.
static bool	jp2_read_ihdr (opj_jp2_t *jp2, opj_cio_t *cio)
	Read the IHDR box - Image Header box.
static void	jp2_write_ihdr (opj_jp2_t *jp2, opj_cio_t *cio)
static void	jp2_write_bpcc (opj_jp2_t *jp2, opj_cio_t *cio)
static bool	jp2_read_bpcc (opj_jp2_t *jp2, opj_cio_t *cio)
static void	jp2_write_colr (opj_jp2_t *jp2, opj_cio_t *cio)
static bool	jp2_read_colr (opj_jp2_t *jp2, opj_cio_t *cio)
static void	jp2_write_ftyp (opj_jp2_t *jp2, opj_cio_t *cio)
	Write the FTYP box - File type box.
static bool	jp2_read_ftyp (opj_jp2_t *jp2, opj_cio_t *cio)
	Read the FTYP box - File type box.
static int	jp2_write_jp2c (opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info)
static bool	jp2_read_jp2c (opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset)
static void	jp2_write_jp (opj_cio_t *cio)
static bool	jp2_read_jp (opj_jp2_t *jp2, opj_cio_t *cio)
	Read the JP box - JPEG 2000 signature.
static bool	jp2_read_struct (opj_jp2_t *jp2, opj_cio_t *cio)
	Decode the structure of a JP2 file.