OPJ_BOOL set_cptrdata( box_param_t *cidx_box, index_param_t *jp2idx)
{
box_param_t *box; /**< cptr box*/
Byte2_t dr, cont;
if( !(box = gene_boxbyType( cidx_box->fd, get_DBoxoff( cidx_box), get_DBoxlen( cidx_box), "cptr")))
return OPJ_FALSE;
/* DR: Data Reference. */
/* If 0, the codestream or its Fragment Table box exists in the current file*/
if(( dr = fetch_DBox2bytebigendian( box, 0))){
fprintf( FCGI_stderr, "Error: Codestream not present in current file\n");
opj_free( box);
return OPJ_FALSE;
}
/* CONT: Container Type*/
/* If 0, the entire codestream appears as a contiguous range of*/
/* bytes within its file or resource.*/
if(( cont = fetch_DBox2bytebigendian( box, 2))){
fprintf( FCGI_stderr, "Error: Can't cope with fragmented codestreams yet\n");
opj_free( box);
return OPJ_FALSE;
}
jp2idx->offset = (OPJ_OFF_T)fetch_DBox8bytebigendian( box, 4);
jp2idx->length = fetch_DBox8bytebigendian( box, 12);
opj_free( box);
return OPJ_TRUE;
}
mhixbox_param_t * gene_mhixbox( box_param_t *box)
{
mhixbox_param_t *mhix;
markeridx_param_t *mkridx, *lastmkidx;
long pos = 0;
mhix = ( mhixbox_param_t *)malloc( sizeof( mhixbox_param_t));
mhix->tlen = fetch_DBox8bytebigendian( box, (pos+=8)-8);
mhix->first = lastmkidx = NULL;
while( pos < get_DBoxlen( box)) {
mkridx = ( markeridx_param_t *)malloc( sizeof( markeridx_param_t));
mkridx->code = fetch_DBox2bytebigendian( box, (pos+=2)-2);
mkridx->num_remain = fetch_DBox2bytebigendian( box, (pos+=2)-2);
mkridx->offset = fetch_DBox8bytebigendian( box, (pos+=8)-8);
mkridx->length = fetch_DBox2bytebigendian( box, (pos+=2)-2);
mkridx->next = NULL;
if( mhix->first)
lastmkidx->next = mkridx;
else
mhix->first = mkridx;
lastmkidx = mkridx;
}
return mhix;
}