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;
Byte8_t idx;
Byte8_t filesize;
if(!(filesize = (Byte8_t)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;
}
index_param_t * parse_jp2file( int fd)
{
index_param_t *jp2idx;
box_param_t *cidx;
metadatalist_param_t *metadatalist;
boxlist_param_t *toplev_boxlist;
Byte8_t filesize;
if( !(filesize = (Byte8_t)get_filesize( fd)))
return NULL;
if( !(toplev_boxlist = get_boxstructure( fd, 0, filesize))){
fprintf( FCGI_stderr, "Error: Not correctl JP2 format\n");
return NULL;
}
if( !check_JP2boxidx( toplev_boxlist)){
fprintf( FCGI_stderr, "Index format not supported\n");
delete_boxlist( &toplev_boxlist);
return NULL;
}
if( !(cidx = search_box( "cidx", toplev_boxlist))){
fprintf( FCGI_stderr, "Box cidx not found\n");
delete_boxlist( &toplev_boxlist);
return NULL;
}
jp2idx = (index_param_t *)opj_malloc( sizeof(index_param_t));
if( !set_cidxdata( cidx, jp2idx)){
fprintf( FCGI_stderr, "Error: Not correctl format in cidx box\n");
opj_free(jp2idx);
delete_boxlist( &toplev_boxlist);
return NULL;
}
delete_boxlist( &toplev_boxlist);
metadatalist = const_metadatalist( fd);
jp2idx->metadatalist = metadatalist;
#ifndef SERVER
fprintf( logstream, "local log: code index created\n");
#endif
return jp2idx;
}
