OPJ_BOOL set_ppixdata( box_param_t *cidx_box, index_param_t *jp2idx)
{
box_param_t *ppix_box, *faix_box, *manf_box;
manfbox_param_t *manf; /**< manf*/
boxheader_param_t *bh; /**< box headers*/
faixbox_param_t *faix; /**< faix*/
OPJ_OFF_T inbox_offset;
int comp_idx;
if( !(ppix_box = gene_boxbyType( cidx_box->fd, get_DBoxoff( cidx_box), get_DBoxlen( cidx_box), "ppix"))){
fprintf( FCGI_stderr, "Error: ppix box not present in cidx box\n");
return OPJ_FALSE;
}
inbox_offset = get_DBoxoff( ppix_box);
if( !(manf_box = gene_boxbyType( ppix_box->fd, inbox_offset, get_DBoxlen( ppix_box), "manf"))){
fprintf( FCGI_stderr, "Error: manf box not present in ppix box\n");
opj_free( ppix_box);
return OPJ_FALSE;
}
opj_free( ppix_box);
manf = gene_manfbox( manf_box);
bh = search_boxheader( "faix", manf);
inbox_offset = manf_box->offset + (OPJ_OFF_T)manf_box->length;
opj_free( manf_box);
jp2idx->precpacket = (faixbox_param_t **)opj_malloc( jp2idx->SIZ.Csiz*sizeof(faixbox_param_t *));
for( comp_idx=0; bh!=NULL; bh=bh->next, comp_idx++){
if( jp2idx->SIZ.Csiz <= comp_idx ){
fprintf( FCGI_stderr, "Error: num of faix boxes is not identical to num of components in ppix box\n");
return OPJ_FALSE;
}
if( !(faix_box = gene_boxbyOffset( cidx_box->fd, inbox_offset))){
fprintf( FCGI_stderr, "Error: faix box not present in ppix box\n");
return OPJ_FALSE;
}
faix = gene_faixbox( faix_box);
jp2idx->precpacket[comp_idx] = faix;
inbox_offset = faix_box->offset + (OPJ_OFF_T)faix_box->length;
opj_free( faix_box);
}
delete_manfbox( &manf);
return OPJ_TRUE;
}
boxlist_param_t * get_boxstructure( int fd, Byte8_t offset, Byte8_t length)
{
boxlist_param_t *boxlist;
box_param_t *box;
int pos;
boxlist = NULL;
pos = offset;
do{
if(!(box = gene_boxbyOffset( fd, pos)))
break;
pos += box->length;
if( !boxlist)
boxlist = gene_boxlist();
insert_box_into_list( box, boxlist);
}while( pos < offset+length);
return boxlist;
}
boxlist_param_t * get_boxstructure( int fd, OPJ_OFF_T offset, OPJ_SIZE_T length)
{
boxlist_param_t *boxlist;
box_param_t *box;
OPJ_OFF_T pos;
boxlist = NULL;
pos = offset;
assert( (OPJ_OFF_T)length>=0);
do{
if(!(box = gene_boxbyOffset( fd, pos)))
break;
assert( (OPJ_OFF_T)box->length >= 0);
pos += (OPJ_OFF_T)box->length;
if( !boxlist)
boxlist = gene_boxlist();
insert_box_into_list( box, boxlist);
}while( pos < offset+(OPJ_OFF_T)length);
return boxlist;
}
box_param_t * gene_childboxbyOffset( box_param_t *superbox, OPJ_OFF_T offset)
{
return gene_boxbyOffset( superbox->fd, get_DBoxoff( superbox)+offset);
}
box_param_t * gene_childboxbyOffset( box_param_t *superbox, Byte8_t offset)
{
return gene_boxbyOffset( superbox->fd, get_DBoxoff( superbox)+offset);
}
