openjpeg/libopenjpeg/jp2.c

539 lines
12 KiB
C

/*
* Copyright (c) 2003-2004, Yannick Verschueren
* Copyright (c) 2003-2004, 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "j2k.h"
#include "jp2.h"
#include "cio.h"
#include "tcd.h"
#include "int.h"
#define JPIP_JPIP 0x6a706970
#define JP2_JP 0x6a502020
#define JP2_FTYP 0x66747970
#define JP2_JP2H 0x6a703268
#define JP2_IHDR 0x69686472
#define JP2_COLR 0x636f6c72
#define JP2_JP2C 0x6a703263
#define JP2_URL 0x75726c20
#define JP2_DBTL 0x6474626c
#define JP2_BPCC 0x62706363
#define JP2_JP2 0x6a703220
/*
*
* Read box headers
*
*/
int jp2_read_boxhdr(jp2_box_t * box)
{
box->init_pos = cio_tell();
box->length = cio_read(4);
box->type = cio_read(4);
if (box->length == 1) {
if (cio_read(4) != 0) {
fprintf(stderr, "Error: Cannot handle box sizes higher than 2^32\n");
return 1;
};
box->length = cio_read(4);
}
return 0;
}
/*
*
* Initialisation of a Standard JP2 structure
*/
int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img)
{
int depth_0, sign, depth, i;
jp2_struct->h = img->y1 - img->y0; // HEIGHT
jp2_struct->w = img->x1 - img->x0; // WIDTH
jp2_struct->numcomps = img->numcomps; // NC
jp2_struct->comps = (jp2_comps_t *) malloc(sizeof(jp2_comps_t));
depth_0 = img->comps[0].prec - 1;
sign = img->comps[0].sgnd;
jp2_struct->bpc = depth_0 + (sign << 7);
for (i = 1; i < img->numcomps; i++) {
depth = img->comps[i].prec - 1;
sign = img->comps[i].sgnd;
if (depth_0 != depth)
jp2_struct->bpc = 255;
}
jp2_struct->C = 7; // C : Always 7
jp2_struct->UnkC = 0; // UnkC, colorspace specified in colr box
jp2_struct->IPR = 0; // IPR, no intellectual property
for (i = 0; i < img->numcomps; i++)
jp2_struct->comps[i].bpcc =
img->comps[i].prec - 1 + (img->comps[i].sgnd << 7);
jp2_struct->precedence = 0; // PRECEDENCE
jp2_struct->approx = 0; // APPROX
if ((img->numcomps == 1 || img->numcomps == 3)
&& (jp2_struct->bpc != 255))
jp2_struct->meth = 1;
else
jp2_struct->meth = 2;
if (jp2_struct->meth == 1) {
if (img->color_space == 1)
jp2_struct->enumcs = 16;
else if (img->color_space == 2)
jp2_struct->enumcs = 17;
else if (img->color_space == 3)
jp2_struct->enumcs = 18; // YUV
} else
jp2_struct->enumcs = 0; // PROFILE (??)
jp2_struct->brand = JP2_JP2; /* BR */
jp2_struct->minversion = 0; /* MinV */
jp2_struct->numcl = 1;
jp2_struct->cl = (int *) malloc(jp2_struct->numcl * sizeof(int));
jp2_struct->cl[0] = JP2_JP2; /* CL0 : JP2 */
return 0;
}
void jp2_write_url(char *Idx_file)
{
unsigned int i;
char str[256];
jp2_box_t box;
sprintf(str, "%s", Idx_file);
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_URL, 4); // DBTL
cio_write(0, 1); // VERS
cio_write(0, 3); // FLAG
for (i = 0; i < strlen(str); i++) {
cio_write(str[i], 1);
}
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
/*
* Read the IHDR box
*
* Image Header box
*
*/
int jp2_read_ihdr(jp2_struct_t * jp2_struct)
{
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_IHDR != box.type) {
fprintf(stderr, "Error: Expected IHDR Marker\n");
return 1;
}
jp2_struct->h = cio_read(4); // HEIGHT
jp2_struct->w = cio_read(4); // WIDTH
jp2_struct->numcomps = cio_read(2); // NC
jp2_struct->bpc = cio_read(1); // BPC
jp2_struct->C = cio_read(1); // C
jp2_struct->UnkC = cio_read(1); // UnkC
jp2_struct->IPR = cio_read(1); // IPR
if (cio_tell() - box.init_pos != box.length) {
fprintf(stderr, "Error with IHDR Box\n");
return 1;
}
return 0;
}
void jp2_write_ihdr(jp2_struct_t * jp2_struct)
{
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_IHDR, 4); // IHDR
cio_write(jp2_struct->h, 4); // HEIGHT
cio_write(jp2_struct->w, 4); // WIDTH
cio_write(jp2_struct->numcomps, 2); // NC
cio_write(jp2_struct->bpc, 1); // BPC
cio_write(jp2_struct->C, 1); // C : Always 7
cio_write(jp2_struct->UnkC, 1); // UnkC, colorspace unknow
cio_write(jp2_struct->IPR, 1); // IPR, no intellectual property
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
void jp2_write_bpcc(jp2_struct_t * jp2_struct)
{
unsigned int i;
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_BPCC, 4); // BPCC
for (i = 0; i < jp2_struct->numcomps; i++)
cio_write(jp2_struct->comps[i].bpcc, 1);
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
int jp2_read_bpcc(jp2_struct_t * jp2_struct)
{
unsigned int i;
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_BPCC != box.type) {
fprintf(stderr, "Error: Expected BPCC Marker\n");
return 1;
}
for (i = 0; i < jp2_struct->numcomps; i++)
jp2_struct->comps[i].bpcc = cio_read(1);
if (cio_tell() - box.init_pos != box.length) {
fprintf(stderr, "Error with BPCC Box\n");
return 1;
}
return 0;
}
void jp2_write_colr(jp2_struct_t * jp2_struct)
{
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_COLR, 4); // COLR
cio_write(jp2_struct->meth, 1); // METH
cio_write(jp2_struct->precedence, 1); // PRECEDENCE
cio_write(jp2_struct->approx, 1); // APPROX
if (jp2_struct->meth == 1)
cio_write(jp2_struct->enumcs, 4); // EnumCS
else
cio_write(0, 1); // PROFILE (??)
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
int jp2_read_colr(jp2_struct_t * jp2_struct)
{
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_COLR != box.type) {
fprintf(stderr, "Error: Expected COLR Marker\n");
return 1;
}
jp2_struct->meth = cio_read(1); // METH
jp2_struct->precedence = cio_read(1); // PRECEDENCE
jp2_struct->approx = cio_read(1); // APPROX
if (jp2_struct->meth == 1)
jp2_struct->enumcs = cio_read(4); // EnumCS
else
cio_read(1); // PROFILE
if (cio_tell() - box.init_pos != box.length) {
fprintf(stderr, "Error with BPCC Box\n");
return 1;
}
return 0;
}
/*
* Write the JP2H box
*
* JP2 Header box
*
*/
void jp2_write_jp2h(jp2_struct_t * jp2_struct)
{
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);;
cio_write(JP2_JP2H, 4); /* JP2H */
jp2_write_ihdr(jp2_struct);
if (jp2_struct->bpc == 255)
jp2_write_bpcc(jp2_struct);
jp2_write_colr(jp2_struct);
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
/*
* Read the JP2H box
*
* JP2 Header box
*
*/
int jp2_read_jp2h(jp2_struct_t * jp2_struct)
{
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_JP2H != box.type) {
fprintf(stderr, "Error: Expected JP2H Marker\n");
return 1;
}
if (jp2_read_ihdr(jp2_struct))
return 1;
if (jp2_struct->bpc == 255)
if (jp2_read_bpcc(jp2_struct))
return 1;
if (jp2_read_colr(jp2_struct))
return 1;
if (cio_tell() - box.init_pos != box.length) {
fprintf(stderr, "Error with JP2H Box\n");
return 1;
}
return 0;
}
/*
* Write the FTYP box
*
* File type box
*
*/
void jp2_write_ftyp(jp2_struct_t * jp2_struct)
{
unsigned int i;
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_FTYP, 4); /* FTYP */
cio_write(jp2_struct->brand, 4); /* BR */
cio_write(jp2_struct->minversion, 4); /* MinV */
for (i = 0; i < jp2_struct->numcl; i++)
cio_write(jp2_struct->cl[i], 4); /* CL */
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
/*
* Read the FTYP box
*
* File type box
*
*/
int jp2_read_ftyp(jp2_struct_t * jp2_struct)
{
int i;
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_FTYP != box.type) {
fprintf(stderr, "Error: Excpected FTYP Marker\n");
return 1;
}
jp2_struct->brand = cio_read(4); /* BR */
jp2_struct->minversion = cio_read(4); /* MinV */
jp2_struct->numcl = (box.length - 16) / 4;
jp2_struct->cl =
(unsigned int *) malloc(jp2_struct->numcl * sizeof(unsigned int));
for (i = jp2_struct->numcl; i > 0; i--)
jp2_struct->cl[i] = cio_read(4); /* CLi */
if (cio_tell() - box.init_pos != box.length) {
fprintf(stderr, "Error with FTYP Box\n");
return 1;
}
return 0;
}
int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer,
char *index)
{
int len;
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_JP2C, 4); // JP2C
len = j2k_encode(img, cp, jp2_buffer, cp->tdx * cp->tdy * 2, index);
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
return box.length;
}
int jp2_read_jp2c(unsigned char *src, int len, jp2_struct_t * jp2_struct,
j2k_cp_t * cp)
{
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_JP2C != box.type) {
fprintf(stderr, "Error: Expected JP2C Marker\n");
return 1;
}
src += cio_tell();
if (j2k_decode(src, len, jp2_struct->image, cp) == 0) {
fprintf(stderr, "JP2F box: failed to decode J2K bitstream image!\n");
return 1;
}
return 0;
}
void jp2_write_jp()
{
jp2_box_t box;
box.init_pos = cio_tell();
cio_skip(4);
cio_write(JP2_JP, 4); // JP
cio_write(0x0d0a870a, 4);
box.length = cio_tell() - box.init_pos;
cio_seek(box.init_pos);
cio_write(box.length, 4); /* L */
cio_seek(box.init_pos + box.length);
}
/*
* Read the JP box
*
* JPEG 2000 signature
*
* return 1 if error else 0
*/
int jp2_read_jp()
{
jp2_box_t box;
jp2_read_boxhdr(&box);
if (JP2_JP != box.type) {
fprintf(stderr, "Error: Expected JP Marker\n");
return 1;
}
if (0x0d0a870a != cio_read(4)) {
fprintf(stderr, "Error with JP Marker\n");
return 1;
}
if (cio_tell() - box.init_pos != box.length) {
fprintf(stderr, "Error with JP Box size\n");
return 1;
}
return 0;
}
int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct,
j2k_cp_t * cp)
{
cio_init(src, len);
if (jp2_read_jp())
return 1;
if (jp2_read_ftyp(jp2_struct))
return 1;
if (jp2_read_jp2h(jp2_struct))
return 1;
if (jp2_read_jp2c(src, len, jp2_struct, cp))
return 1;
return 0;
}
int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output,
char *index)
{
int len;
jp2_write_jp();
jp2_write_ftyp(jp2_struct);
jp2_write_jp2h(jp2_struct);
len = jp2_write_jp2c(jp2_struct->image, cp, output, index);
return cio_tell();
}