3 * Copyright 2005,2010 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
27 #include <gr_fft_filter_fff.h>
28 #include <gri_fft_filter_fff_generic.h>
29 //#include <gri_fft_filter_fff_sse.h>
30 #include <gr_io_signature.h>
38 gr_fft_filter_fff_sptr gr_make_fft_filter_fff (int decimation, const std::vector<float> &taps)
40 return gr_fft_filter_fff_sptr (new gr_fft_filter_fff (decimation, taps));
44 gr_fft_filter_fff::gr_fft_filter_fff (int decimation, const std::vector<float> &taps)
45 : gr_sync_decimator ("fft_filter_fff",
46 gr_make_io_signature (1, 1, sizeof (float)),
47 gr_make_io_signature (1, 1, sizeof (float)),
53 #if 1 // don't enable the sse version until handling it is worked out
54 d_filter = new gri_fft_filter_fff_generic(decimation, taps);
56 d_filter = new gri_fft_filter_fff_sse(decimation, taps);
59 d_nsamples = d_filter->set_taps(taps);
60 set_output_multiple(d_nsamples);
63 gr_fft_filter_fff::~gr_fft_filter_fff ()
69 gr_fft_filter_fff::set_taps (const std::vector<float> &taps)
76 gr_fft_filter_fff::work (int noutput_items,
77 gr_vector_const_void_star &input_items,
78 gr_vector_void_star &output_items)
80 const float *in = (const float *) input_items[0];
81 float *out = (float *) output_items[0];
84 d_nsamples = d_filter->set_taps(d_new_taps);
86 set_output_multiple(d_nsamples);
87 return 0; // output multiple may have changed
90 assert(noutput_items % d_nsamples == 0);
92 d_filter->filter(noutput_items, in, out);
94 //assert((out - (float *) output_items[0]) == noutput_items);