129 	if (up <= 1)  in updateState()
149 	up = rate_out / commonfactor;  in ResampleFilter()
152 	int fold = (up > down)? up : down;	// take the bigger rate change  in ResampleFilter()
157 	if (up > 1) {				// need (order/up) states  in ResampleFilter()
158 		num_state = (order + up  - 1) / up;  in ResampleFilter()
253 	else if (up <= 1)			// regular filter  in interpolate_noadjust()
260 	int coef_offset = up + up_offset;  in interpolate_noadjust()
262 		*out_ptr++ = double2short(up * poly_conv(coef + coef_offset,  in interpolate_noadjust()
263 		    order - coef_offset, up, state, num_state));  in interpolate_noadjust()
268 		for (j = 0; j < up; j++) {  in interpolate_noadjust()
269 			*out_ptr++ = double2short(up * (poly_conv(coef + j,  in interpolate_noadjust()
270 			    order - j, up, in_buf, i) + poly_conv(  in interpolate_noadjust()
271 			    coef + coef_offset, order - coef_offset, up, state,  in interpolate_noadjust()
278 	for (j = 0; j < (up_offset + up); j++) {  in interpolate_noadjust()
279 		*out_ptr++ = double2short(up * (poly_conv(coef + j,  in interpolate_noadjust()
280 		    order - j, up, in_buf, size) + poly_conv(  in interpolate_noadjust()
281 		    coef + coef_offset, order - coef_offset, up, state,  in interpolate_noadjust()
294 	int num = (Fir::getFlushSize() + up - 1) / up;  in interpolate_flush()
299 	delay += num * up;  in interpolate_flush()
315 		int delay_in = (delay + up - 1) / up;  in interpolate()
322 		delay -= delay_in * up;  in interpolate()
338 	else if (up <= 1)  in filter_noadjust()
346 	int coef_offset = up_offset + down_offset + up;  in filter_noadjust()
353 		*out++ = double2short(up * poly_conv(coef + coef_offset,  in filter_noadjust()
354 		    order - coef_offset, up, state, num_state));  in filter_noadjust()
360 		for (; j < up; j += down) {  in filter_noadjust()
361 			*out++ = double2short(up * (poly_conv(coef + j,  in filter_noadjust()
362 			    order - j, up, in_buf, i) + poly_conv(  in filter_noadjust()
363 			    coef + coef_offset, order - coef_offset, up, state,  in filter_noadjust()
367 		j -= up;  in filter_noadjust()
371 	for (; j < (up + up_offset); j += down) {  in filter_noadjust()
372 		*out++ = double2short(up * (poly_conv(coef + j, order - j, up,  in filter_noadjust()
374 		    order - coef_offset, up, state, num_state)));  in filter_noadjust()
377 	down_offset = j - (up + up_offset);  in filter_noadjust()
387 	int num_in = (Fir::getFlushSize() + up - 1) / up;  in getFlushSize()
388 	return ((num_in * up + down - 1 - down_offset) / down);  in getFlushSize()
397 	else if (up <= 1)  in flush()
400 	int num = (Fir::getFlushSize() + up - 1) / up;  in flush()
406 	delay += num * up;  in flush()
421 	else if (up <= 1)  in filter()
428 		int delay_in = (delay + up - 1) / up;  in filter()
435 		delay -= up * delay_in;  in filter()