openjpeg/applications/jpip/libopenjpip/faixbox_manager.c

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/*
* $Id: faixbox_manager.c 44 2011-02-15 12:32:29Z kaori $
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, 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"
#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( faix->version < 0 || 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;
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( int 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;
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( int 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)
{
fprintf( logstream, "faix box info\n");
fprintf( logstream, "\tversion: %d\n", faix->version);
fprintf( logstream, "\t nmax: %#llx = %lld\n", get_nmax( faix), get_nmax( faix));
fprintf( logstream, "\t m: %#llx = %lld\n", get_m( faix), get_m( faix));
for( Byte8_t i=0; i<get_m( faix); i++){
for( Byte8_t j=0; j<get_nmax( faix); j++){
fprintf( logstream, "\t off = %#llx, len = %#llx", 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)
{
if( faix->version <2)
return -1;
Byte8_t 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];
}