source: examples/aubiopitch.c @ f4adefaa

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since f4adefaa was f4adefaa, checked in by Paul Brossier <piem@piem.org>, 6 years ago

examples/aubiopitch.c: synth only when need be

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File size: 2.4 KB
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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_JACK 1
25#include "parse_args.h"
26
27aubio_pitch_t *o;
28aubio_wavetable_t *wavetable;
29fvec_t *pitch;
30
31void
32process_block(fvec_t * ibuf, fvec_t * obuf) {
33  aubio_pitch_do (o, ibuf, pitch);
34  if ( !usejack && ! sink_uri ) return;
35  fvec_zeros(obuf);
36  smpl_t freq = fvec_get_sample(pitch, 0);
37  aubio_wavetable_set_amp ( wavetable, aubio_level_lin (ibuf) );
38  aubio_wavetable_set_freq ( wavetable, freq );
39  if (mix_input)
40    aubio_wavetable_do (wavetable, ibuf, obuf);
41  else
42    aubio_wavetable_do (wavetable, obuf, obuf);
43}
44
45void
46process_print (void) {
47  smpl_t pitch_found = fvec_get_sample(pitch, 0);
48  outmsg("%f %f\n",(blocks)
49      *hop_size/(float)samplerate, pitch_found);
50}
51
52int main(int argc, char **argv) {
53
54  buffer_size = 2048;
55
56  examples_common_init(argc,argv);
57
58  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
59  verbmsg ("pitch method: %s, ", pitch_method);
60  verbmsg ("pitch unit: %s, ", pitch_unit);
61  verbmsg ("buffer_size: %d, ", buffer_size);
62  verbmsg ("hop_size: %d, ", hop_size);
63  verbmsg ("tolerance: %f\n", pitch_tolerance);
64
65  o = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate);
66  if (pitch_tolerance != 0.)
67    aubio_pitch_set_tolerance (o, pitch_tolerance);
68  if (silence_threshold != -90.)
69    aubio_pitch_set_silence (o, silence_threshold);
70  if (pitch_unit != NULL)
71    aubio_pitch_set_unit (o, pitch_unit);
72
73  pitch = new_fvec (1);
74
75  wavetable = new_aubio_wavetable (samplerate, hop_size);
76  aubio_wavetable_play ( wavetable );
77
78  examples_common_process((aubio_process_func_t)process_block,process_print);
79
80  del_aubio_pitch (o);
81  del_aubio_wavetable (wavetable);
82  del_fvec (pitch);
83
84  examples_common_del();
85  return 0;
86}
87
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