/* * Copyright (c) 2003, Yannick Verschueren * Copyright (c) 2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef __JP2_H #define __JP2_H #include "j2k.h" typedef struct { int depth; int sgnd; int bpcc; } jp2_comps_t; typedef struct { unsigned int w; unsigned int h; unsigned int numcomps; unsigned int bpc; unsigned int C; unsigned int UnkC; unsigned int IPR; unsigned int meth; unsigned int approx; unsigned int enumcs; unsigned int precedence; unsigned int brand; unsigned int minversion; unsigned int numcl; unsigned int *cl; jp2_comps_t *comps; j2k_image_t *image; } jp2_struct_t; typedef struct { int length; int type; int init_pos; } jp2_box_t; /* int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img); * * Create a standard jp2_structure * jp2_struct: the structure you are creating * img: a j2k_image_t wich will help you to create the jp2_structure */ int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img); /* int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer, * char *index); * * Write the jp2c codestream box * img: the j2k_image that will be compressed * jp2_buffer: the buffer that will recieve the compressed data * index: the name of the index file */ int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer, char *index); /* int jp2_write_jp2h(jp2_struct_t * jp2_struct); * * Write the jp2h header box * jp2_struct: the jp2 structure you are working with */ void jp2_write_jp2h(jp2_struct_t * jp2_struct); /* int jp2_read_jp2h(jp2_struct_t * jp2_struct); * * Read the jp2h header box * jp2_struct: the jp2 structure you are working with */ int jp2_read_jp2h(jp2_struct_t * jp2_struct); /* int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output, * char *index); * * Encode a JP2 file * jp2_buffer: the buffer containing the pointer to the image to encode * cp: coding parameters of the image * outbuf: pointer to memory where compressed data will be written * index: the name of the index file */ int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output, char *index); /* int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct, * j2k_cp_t * cp); * * Decode a JP2 file * src: pointer to memory where compressed data is stored * len: length of src buffer * jp2_struct: the jp2 structure that will be created * cp: coding parameters of the image */ int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct, j2k_cp_t * cp); #endif