1 /*
2 Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
3
4 This file is part of aubio.
5
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.
10
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.
15
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/>.
18
19 */
20
21 #include "utils.h"
22 #define PROG_HAS_PITCH 1
23 #define PROG_HAS_OUTPUT 1
24 #define PROG_HAS_SILENCE 1
25 #define PROG_HAS_JACK 1
26 #include "parse_args.h"
27
28 aubio_pitch_t *o;
29 aubio_wavetable_t *wavetable;
30 fvec_t *pitch;
31
process_block(fvec_t * ibuf,fvec_t * obuf)32 void process_block(fvec_t * ibuf, fvec_t * obuf)
33 {
34 smpl_t freq;
35 aubio_pitch_do (o, ibuf, pitch);
36 if ( !usejack && ! sink_uri ) return;
37 fvec_zeros(obuf);
38 freq = fvec_get_sample(pitch, 0);
39 aubio_wavetable_set_amp ( wavetable, aubio_level_lin (ibuf) );
40 aubio_wavetable_set_freq ( wavetable, freq );
41 if (mix_input)
42 aubio_wavetable_do (wavetable, ibuf, obuf);
43 else
44 aubio_wavetable_do (wavetable, obuf, obuf);
45 }
46
process_print(void)47 void process_print (void)
48 {
49 smpl_t pitch_found = fvec_get_sample(pitch, 0);
50 print_time(blocks * hop_size);
51 outmsg(" %f\n", pitch_found);
52 }
53
main(int argc,char ** argv)54 int main(int argc, char **argv) {
55 int ret = 0;
56
57 buffer_size = 2048;
58
59 examples_common_init(argc,argv);
60
61 verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
62 verbmsg ("pitch method: %s, ", pitch_method);
63 verbmsg ("pitch unit: %s, ", pitch_unit);
64 verbmsg ("buffer_size: %d, ", buffer_size);
65 verbmsg ("hop_size: %d, ", hop_size);
66 verbmsg ("tolerance: %f\n", pitch_tolerance);
67
68 o = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate);
69 if (o == NULL) { ret = 1; goto beach; }
70 if (pitch_tolerance != 0.)
71 aubio_pitch_set_tolerance (o, pitch_tolerance);
72 if (silence_threshold != -90.)
73 aubio_pitch_set_silence (o, silence_threshold);
74 if (pitch_unit != NULL)
75 aubio_pitch_set_unit (o, pitch_unit);
76
77 pitch = new_fvec (1);
78
79 wavetable = new_aubio_wavetable (samplerate, hop_size);
80 aubio_wavetable_play ( wavetable );
81
82 examples_common_process(process_block, process_print);
83
84 del_aubio_pitch (o);
85 del_aubio_wavetable (wavetable);
86 del_fvec (pitch);
87
88 beach:
89 examples_common_del();
90 return ret;
91 }
92