audio/utilities/Resample.cc

129 	int size)
132 		Fir::updateState(in, size);
133 	else if (size >= num_state)
134 		memcpy(state, in + size - num_state,
137 		int old = num_state - size;
138 		BCOPY((char *)(state + size), (char *)state,
140 		memcpy(state + old, in, size * sizeof (double));
177 		int	size,
182 	if (size <= 0)
185 		return (Fir::filter_noadjust(in, size, out));
186 	else if (size <= down_offset) {	// just update states
187 		update_short(in, size);
188 		down_offset -= size;
192 	double *in_buf = new double[size];
193 	short2double(in_buf, in, size);
197 	int init_size = (size <= order)? size : order;
201 	for (; i < size; i += down)
204 	down_offset = i - size;
206 	updateState(in_buf, size);
214 	int	size,
218 		return (decimate_noadjust(in, size, out));
219 	else if (size <= delay) {
220 		update_short(in, size);
221 		delay -= size;
226 		size -= delay;
228 		return (decimate_noadjust(in, size, out));
248 		    int		size,
253 	if (size <= 0)
256 		return (Fir::filter_noadjust(in, size, out));
258 	double *in_buf = new double[size];
259 	short2double(in_buf, in, size);
269 	for (i = 1; i < size; i++) {
282 		    order - j, up, in_buf, size) + poly_conv(
287 	updateState(in_buf, size);
309 	    int size,
312 	if (size <= 0)
315 		return (interpolate_noadjust(in, size, out));
318 		if (size < delay_in)
319 			delay_in = size;
326 		return (interpolate_noadjust(in + delay_in, size -
333 	int	size,
338 	if (size <= 0)
341 		return (decimate_noadjust(in, size, out));
343 		return (interpolate_noadjust(in, size, out));
345 	double *in_buf = new double[size];
346 	short2double(in_buf, in, size);
361 	for (i = 1; i < size; i++) {
375 		    in_buf, size) + poly_conv(coef + coef_offset,
381 	updateState(in_buf, size);
418 	int	size,
421 	if (size <= 0)
424 		return (decimate(in, size, out));
426 		return (interpolate(in, size, out));
428 		return (filter_noadjust(in, size, out));
431 		if (size < delay_in)
432 			delay_in = size;
442 		return (filter_noadjust(in + delay_in, size - delay_in, out));