| /* |
| * 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 |