openjpeg/applications/jpip/libopenjpip/metadata_manager.c

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/*
* $Id: metadata_manager.c 53 2011-05-09 16:55:39Z 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.
*/
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#include "metadata_manager.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef SERVER
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
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#endif /*SERVER*/
metadatalist_param_t * gene_metadatalist()
{
metadatalist_param_t *list;
list = (metadatalist_param_t *)malloc( sizeof(metadatalist_param_t));
list->first = NULL;
list->last = NULL;
return list;
}
metadatalist_param_t * const_metadatalist( int fd)
{
metadatalist_param_t *metadatalist;
metadata_param_t *metabin;
boxlist_param_t *toplev_boxlist;
box_param_t *box, *next;
placeholderlist_param_t *phldlist;
placeholder_param_t *phld;
int idx;
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Byte8_t filesize;
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if(!(filesize = get_filesize( fd)))
return NULL;
if( !(toplev_boxlist = get_boxstructure( fd, 0, filesize))){
fprintf( FCGI_stderr, "Error: Not correctl JP2 format\n");
return NULL;
}
phldlist = gene_placeholderlist();
metadatalist = gene_metadatalist();
box = toplev_boxlist->first;
idx = 0;
while( box){
next = box->next;
if( strncmp( box->type, "jP ",4)!=0 && strncmp( box->type, "ftyp",4)!=0 && strncmp( box->type, "jp2h",4)!=0){
boxlist_param_t *boxlist = NULL;
boxcontents_param_t *boxcontents = NULL;
phld = gene_placeholder( box, ++idx);
insert_placeholder_into_list( phld, phldlist);
boxlist = get_boxstructure( box->fd, get_DBoxoff( box), get_DBoxlen(box));
if( !boxlist)
boxcontents = gene_boxcontents( get_DBoxoff( box), get_DBoxlen(box));
delete_box_in_list( &box, toplev_boxlist);
metabin = gene_metadata( idx, boxlist, NULL, boxcontents);
insert_metadata_into_list( metabin, metadatalist);
}
box = next;
}
metabin = gene_metadata( 0, toplev_boxlist, phldlist, NULL);
insert_metadata_into_list( metabin, metadatalist);
return metadatalist;
}
void delete_metadatalist( metadatalist_param_t **list)
{
metadata_param_t *ptr, *next;
ptr = (*list)->first;
while( ptr != NULL){
next=ptr->next;
delete_metadata( &ptr);
ptr=next;
}
free( *list);
}
metadata_param_t * gene_metadata( int idx, boxlist_param_t *boxlist, placeholderlist_param_t *phldlist, boxcontents_param_t *boxcontents)
{
metadata_param_t *bin;
bin = (metadata_param_t *)malloc( sizeof(metadata_param_t));
bin->idx = idx;
bin->boxlist = boxlist;
bin->placeholderlist = phldlist;
bin->boxcontents = boxcontents;
bin->next = NULL;
return bin;
}
void delete_metadata( metadata_param_t **metadata)
{
delete_boxlist( &((*metadata)->boxlist));
delete_placeholderlist( &((*metadata)->placeholderlist));
if((*metadata)->boxcontents)
free((*metadata)->boxcontents);
#ifndef SERVER
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/* fprintf( logstream, "local log: Metadata-bin: %d deleted\n", (*metadata)->idx);*/
#endif
free( *metadata);
}
void insert_metadata_into_list( metadata_param_t *metabin, metadatalist_param_t *metadatalist)
{
if( metadatalist->first)
metadatalist->last->next = metabin;
else
metadatalist->first = metabin;
metadatalist->last = metabin;
}
void print_metadata( metadata_param_t *metadata)
{
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boxcontents_param_t *boxcont;
fprintf( logstream, "metadata-bin %d info:\n", metadata->idx);
print_allbox( metadata->boxlist);
print_allplaceholder( metadata->placeholderlist);
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boxcont = metadata->boxcontents;
if( boxcont)
fprintf( logstream, "box contents:\n"
"\t offset: %lld %#llx\n"
"\t length: %lld %#llx\n", boxcont->offset, boxcont->offset, boxcont->length, boxcont->length);
}
void print_allmetadata( metadatalist_param_t *list)
{
metadata_param_t *ptr;
fprintf( logstream, "all metadata info: \n");
ptr = list->first;
while( ptr != NULL){
print_metadata( ptr);
ptr=ptr->next;
}
}
boxcontents_param_t * gene_boxcontents( Byte8_t offset, Byte8_t length)
{
boxcontents_param_t *contents;
contents = (boxcontents_param_t *)malloc( sizeof(boxcontents_param_t));
contents->offset = offset;
contents->length = length;
return contents;
}
metadata_param_t * search_metadata( int idx, metadatalist_param_t *list)
{
metadata_param_t *found;
found = list->first;
while( found){
if( found->idx == idx)
return found;
found = found->next;
}
return NULL;
}
int search_metadataidx( char boxtype[4], metadatalist_param_t *list)
{
metadata_param_t *ptr;
int i;
for( i=0; i<4; i++)
if( boxtype[i] == '_')
boxtype[i] = ' ';
ptr = list->first;
while( ptr){
if( ptr->boxlist){
box_param_t *box = ptr->boxlist->first;
while( box){
if( strncmp ( boxtype, box->type, 4) == 0)
return ptr->idx;
box = box->next;
}
}
ptr = ptr->next;
}
ptr = list->first;
while( ptr){
if( ptr->placeholderlist){
placeholder_param_t *phld = ptr->placeholderlist->first;
while( phld){
if( strncmp ( boxtype, (char *)phld->OrigBH+4, 4) == 0){
return phld->OrigID;
}
phld = phld->next;
}
}
ptr = ptr->next;
}
return -1;
}