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