2 Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
6 aubio is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 aubio is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with aubio. If not, see <http://www.gnu.org/licenses/>.
22 #define PROG_HAS_PITCH 1
23 #include "parse_args.h"
26 aubio_wavetable_t *wavetable;
30 process_block(fvec_t * ibuf, fvec_t * obuf) {
32 aubio_pitch_do (o, ibuf, pitch);
33 smpl_t freq = fvec_read_sample(pitch, 0);
34 aubio_wavetable_set_amp ( wavetable, aubio_level_lin (ibuf) );
36 aubio_wavetable_set_freq ( wavetable, freq );
38 aubio_wavetable_set_freq ( wavetable, 0.0 );
40 aubio_wavetable_do (wavetable, obuf, obuf);
44 process_print (void) {
45 smpl_t pitch_found = fvec_read_sample(pitch, 0);
46 outmsg("%f %f\n",(blocks)
47 *hop_size/(float)samplerate, pitch_found);
50 int main(int argc, char **argv) {
51 examples_common_init(argc,argv);
53 verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
54 verbmsg ("pitch method: %s, ", pitch_method);
55 verbmsg ("buffer_size: %d, ", buffer_size);
56 verbmsg ("hop_size: %d, ", hop_size);
57 verbmsg ("tolerance: %f\n", pitch_tolerance);
59 o = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate);
60 if (pitch_tolerance != 0.) aubio_pitch_set_tolerance (o, pitch_tolerance);
63 wavetable = new_aubio_wavetable (samplerate, hop_size);
64 aubio_wavetable_play ( wavetable );
66 examples_common_process((aubio_process_func_t)process_block,process_print);
69 del_aubio_wavetable (wavetable);
72 examples_common_del();