51   size_t overlap;        /* fading size */  member
157   p->overlap = (int)(p->fading * p->segment);  in start()
158   p->fade_coefs = lsx_malloc(p->overlap * sizeof(double));  in start()
167   if (p->overlap>1) {  in start()
168     double slope = 1.0 / (p->overlap - 1);  in start()
170     for (i = 1; i < p->overlap - 1; i++)  in start()
171       p->fade_coefs[i] = slope * (p->overlap - i - 1);  in start()
172     p->fade_coefs[p->overlap - 1] = 0.0;  in start()
173   } else if (p->overlap == 1)  in start()
181       p->segment, p->index, p->ishift, p->oindex, p->oshift, p->overlap);  in start()
193   for (i = 0; i < p->overlap; i++)  in combine()
194     p->obuf[i] += p->fade_coefs[p->overlap - 1 - i] * p->ibuf[i];  in combine()
197   for (; i < p->segment - p->overlap; i++)  in combine()
202     p->obuf[i] += p->fade_coefs[i - p->segment + p->overlap] * p->ibuf[i];  in combine()