void irreference_clear (t_irreference *x)
{
    irreference_stop(x);

    x->fft_size = 0;
    clear_mem_swap(&x->rec_mem);
    clear_mem_swap(&x->out_mem);
}
void irmeasure_clear(t_irmeasure *x)
{
    irmeasure_stop(x);

    x->fft_size = 0;
    clear_mem_swap(&x->rec_mem);
    clear_mem_swap(&x->out_mem);
}
void irextract_clear (t_irextract *x)
{	
	x->fft_size = 0;
	clear_mem_swap(&x->out_mem);
}