131 	if (up <= 1)  in updateState()
151 	up = rate_out / commonfactor;  in ResampleFilter()
154 	int fold = (up > down)? up : down;	// take the bigger rate change  in ResampleFilter()
159 	if (up > 1) {				// need (order/up) states  in ResampleFilter()
160 		num_state = (order + up  - 1) / up;  in ResampleFilter()
255 	else if (up <= 1)			// regular filter  in interpolate_noadjust()
262 	int coef_offset = up + up_offset;  in interpolate_noadjust()
264 		*out_ptr++ = double2short(up * poly_conv(coef + coef_offset,  in interpolate_noadjust()
265 		    order - coef_offset, up, state, num_state));  in interpolate_noadjust()
270 		for (j = 0; j < up; j++) {  in interpolate_noadjust()
271 			*out_ptr++ = double2short(up * (poly_conv(coef + j,  in interpolate_noadjust()
272 			    order - j, up, in_buf, i) + poly_conv(  in interpolate_noadjust()
273 			    coef + coef_offset, order - coef_offset, up, state,  in interpolate_noadjust()
280 	for (j = 0; j < (up_offset + up); j++) {  in interpolate_noadjust()
281 		*out_ptr++ = double2short(up * (poly_conv(coef + j,  in interpolate_noadjust()
282 		    order - j, up, in_buf, size) + poly_conv(  in interpolate_noadjust()
283 		    coef + coef_offset, order - coef_offset, up, state,  in interpolate_noadjust()
296 	int num = (Fir::getFlushSize() + up - 1) / up;  in interpolate_flush()
301 	delay += num * up;  in interpolate_flush()
317 		int delay_in = (delay + up - 1) / up;  in interpolate()
324 		delay -= delay_in * up;  in interpolate()
340 	else if (up <= 1)  in filter_noadjust()
348 	int coef_offset = up_offset + down_offset + up;  in filter_noadjust()
355 		*out++ = double2short(up * poly_conv(coef + coef_offset,  in filter_noadjust()
356 		    order - coef_offset, up, state, num_state));  in filter_noadjust()
362 		for (; j < up; j += down) {  in filter_noadjust()
363 			*out++ = double2short(up * (poly_conv(coef + j,  in filter_noadjust()
364 			    order - j, up, in_buf, i) + poly_conv(  in filter_noadjust()
365 			    coef + coef_offset, order - coef_offset, up, state,  in filter_noadjust()
369 		j -= up;  in filter_noadjust()
373 	for (; j < (up + up_offset); j += down) {  in filter_noadjust()
374 		*out++ = double2short(up * (poly_conv(coef + j, order - j, up,  in filter_noadjust()
376 		    order - coef_offset, up, state, num_state)));  in filter_noadjust()
379 	down_offset = j - (up + up_offset);  in filter_noadjust()
389 	int num_in = (Fir::getFlushSize() + up - 1) / up;  in getFlushSize()
390 	return ((num_in * up + down - 1 - down_offset) / down);  in getFlushSize()
399 	else if (up <= 1)  in flush()
402 	int num = (Fir::getFlushSize() + up - 1) / up;  in flush()
408 	delay += num * up;  in flush()
423 	else if (up <= 1)  in filter()
430 		int delay_in = (delay + up - 1) / up;  in filter()
437 		delay -= up * delay_in;  in filter()