jp2k_decoder.c File Reference

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include "jp2k_decoder.h"
#include "openjpeg.h"

Functions
static void	error_callback (const char *msg, void *client_data)
	sample error callback expecting a FILE* client object More...
static void	warning_callback (const char *msg, void *client_data)
	sample warning callback expecting a FILE* client object More...
static void	info_callback (const char *msg, void *client_data)
	sample debug callback expecting no client object More...
static Byte_t *	imagetopnm (opj_image_t *image, ihdrbox_param_t **ihdrbox)
Byte_t *	j2k_to_pnm (const char *fn, ihdrbox_param_t **ihdrbox)

Function Documentation

error_callback()

static void error_callback ( const char *  msg, void *  client_data  )

static

sample error callback expecting a FILE* client object

Referenced by j2k_to_pnm().

imagetopnm()

static Byte_t * imagetopnm ( opj_image_t *  image, ihdrbox_param_t **  ihdrbox  )

static

References opj_image::comps, opj_image_comp::data, opj_image_comp::h, opj_image::numcomps, opj_image_comp::prec, opj_image_comp::sgnd, opj_image_comp::w, and ihdrbox_param::width.

Referenced by j2k_to_pnm().

info_callback()

static void info_callback ( const char *  msg, void *  client_data  )

static

sample debug callback expecting no client object

Referenced by j2k_to_pnm().

j2k_to_pnm()

Byte_t* j2k_to_pnm	(	const char *	fn,
		ihdrbox_param_t **	ihdrbox
	)

References opj_dparameters::DA_x0, opj_dparameters::DA_x1, opj_dparameters::DA_y0, opj_dparameters::DA_y1, error_callback(), imagetopnm(), info_callback(), OPJ_CODEC_J2K, opj_create_decompress(), opj_decode(), opj_destroy_codec(), opj_end_decompress(), opj_image_destroy(), opj_read_header(), opj_set_decode_area(), opj_set_default_decoder_parameters(), opj_set_error_handler(), opj_set_info_handler(), opj_set_warning_handler(), opj_setup_decoder(), opj_stream_create_default_file_stream(), opj_stream_destroy(), OPJ_TRUE, and warning_callback().

Referenced by jpipstream_to_pnm().

warning_callback()

static void warning_callback ( const char *  msg, void *  client_data  )

static

sample warning callback expecting a FILE* client object

Referenced by j2k_to_pnm().