openjpeg/src/lib/openjpip/faixbox_manager.c

217 lines
7.1 KiB
C

/*
* $Id$
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* 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 "faixbox_manager.h"
#include "opj_inttypes.h"
#ifdef SERVER
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
#endif /*SERVER*/
faixbox_param_t * gene_faixbox(box_param_t *box)
{
faixbox_param_t *faix;
size_t numOfelem;
long pos = 0;
faix = (faixbox_param_t *)malloc(sizeof(faixbox_param_t));
faix->version = fetch_DBox1byte(box, (pos += 1) - 1);
if (3 < faix->version) {
fprintf(FCGI_stderr, "Error: version %d in faix box is reserved for ISO use.\n",
faix->version);
free(faix);
return NULL;
}
if (faix->version % 2) {
subfaixbox8_param_t *subfaixbox;
size_t i;
faix->subfaixbox.byte8_params = (subfaixbox8_param_t *)malloc(sizeof(
subfaixbox8_param_t));
subfaixbox = faix->subfaixbox.byte8_params;
subfaixbox->nmax = fetch_DBox8bytebigendian(box, (pos += 8) - 8);
subfaixbox->m = fetch_DBox8bytebigendian(box, (pos += 8) - 8);
numOfelem = subfaixbox->nmax * subfaixbox->m;
subfaixbox->elem = (faixelem8_param_t *)malloc(numOfelem * sizeof(
faixelem8_param_t));
if (faix->version == 3) {
subfaixbox->aux = (Byte4_t *)malloc(numOfelem * sizeof(Byte4_t));
}
for (i = 0; i < numOfelem; i++) {
subfaixbox->elem[i].off = fetch_DBox8bytebigendian(box, (pos += 8) - 8);
subfaixbox->elem[i].len = fetch_DBox8bytebigendian(box, (pos += 8) - 8);
if (faix->version == 3) {
subfaixbox->aux[i] = fetch_DBox4bytebigendian(box, (pos += 4) - 4);
}
}
} else {
subfaixbox4_param_t *subfaixbox;
size_t i;
faix->subfaixbox.byte4_params = (subfaixbox4_param_t *)malloc(sizeof(
subfaixbox4_param_t));
subfaixbox = faix->subfaixbox.byte4_params;
subfaixbox->nmax = fetch_DBox4bytebigendian(box, (pos += 4) - 4);
subfaixbox->m = fetch_DBox4bytebigendian(box, (pos += 4) - 4);
numOfelem = subfaixbox->nmax * subfaixbox->m;
subfaixbox->elem = (faixelem4_param_t *)malloc(numOfelem * sizeof(
faixelem4_param_t));
if (faix->version == 2) {
subfaixbox->aux = (Byte4_t *)malloc(numOfelem * sizeof(Byte4_t));
}
for (i = 0; i < numOfelem; i++) {
subfaixbox->elem[i].off = fetch_DBox4bytebigendian(box, (pos += 4) - 4);
subfaixbox->elem[i].len = fetch_DBox4bytebigendian(box, (pos += 4) - 4);
if (faix->version == 2) {
subfaixbox->aux[i] = fetch_DBox4bytebigendian(box, (pos += 4) - 4);
}
}
}
return faix;
}
void print_faixbox(faixbox_param_t *faix)
{
Byte8_t i, j;
fprintf(logstream, "faix box info\n");
fprintf(logstream, "\tversion: %d\n", faix->version);
fprintf(logstream, "\t nmax: %#" PRIx64 " = %" PRId64 "\n", get_nmax(faix),
get_nmax(faix));
fprintf(logstream, "\t m: %#" PRIx64 " = %" PRId64 "\n", get_m(faix),
get_m(faix));
for (i = 0; i < get_m(faix); i++) {
for (j = 0; j < get_nmax(faix); j++) {
fprintf(logstream, "\t off = %#" PRIx64 ", len = %#" PRIx64 "",
get_elemOff(faix, j, i), get_elemLen(faix, j, i));
if (2 <= faix->version) {
fprintf(logstream, ", aux = %#x", get_elemAux(faix, j, i));
}
fprintf(logstream, "\n");
}
fprintf(logstream, "\n");
}
}
void delete_faixbox(faixbox_param_t **faix)
{
if ((*faix)->version % 2) {
free((*faix)->subfaixbox.byte8_params->elem);
if ((*faix)->version == 3) {
free((*faix)->subfaixbox.byte8_params->aux);
}
free((*faix)->subfaixbox.byte8_params);
} else {
free((*faix)->subfaixbox.byte4_params->elem);
if ((*faix)->version == 2) {
free((*faix)->subfaixbox.byte4_params->aux);
}
free((*faix)->subfaixbox.byte4_params);
}
free(*faix);
}
Byte8_t get_nmax(faixbox_param_t *faix)
{
if (faix->version % 2) {
return faix->subfaixbox.byte8_params->nmax;
} else {
return (Byte8_t)faix->subfaixbox.byte4_params->nmax;
}
}
Byte8_t get_m(faixbox_param_t *faix)
{
if (faix->version % 2) {
return faix->subfaixbox.byte8_params->m;
} else {
return (Byte8_t)faix->subfaixbox.byte4_params->m;
}
}
Byte8_t get_elemOff(faixbox_param_t *faix, Byte8_t elem_id, Byte8_t row_id)
{
Byte8_t nmax = get_nmax(faix);
if (faix->version % 2) {
return faix->subfaixbox.byte8_params->elem[ row_id * nmax + elem_id].off;
} else {
return (Byte8_t)faix->subfaixbox.byte4_params->elem[ row_id * nmax +
elem_id].off;
}
}
Byte8_t get_elemLen(faixbox_param_t *faix, Byte8_t elem_id, Byte8_t row_id)
{
Byte8_t nmax = get_nmax(faix);
if (faix->version % 2) {
return faix->subfaixbox.byte8_params->elem[ row_id * nmax + elem_id].len;
} else {
return (Byte8_t)faix->subfaixbox.byte4_params->elem[ row_id * nmax +
elem_id].len;
}
}
Byte4_t get_elemAux(faixbox_param_t *faix, Byte8_t elem_id, Byte8_t row_id)
{
Byte8_t nmax;
if (faix->version < 2) {
return (Byte4_t) - 1;
}
nmax = get_nmax(faix);
if (faix->version % 2) {
return faix->subfaixbox.byte8_params->aux[ row_id * nmax + elem_id];
} else {
return faix->subfaixbox.byte4_params->aux[ row_id * nmax + elem_id];
}
}