source: examples/aubioonset.c @ df7be43

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since df7be43 was df7be43, checked in by Paul Brossier <piem@piem.org>, 4 years ago

examples/parse_args.h: only parse time format string once, warn if unknown

  • Property mode set to 100644
File size: 2.4 KB
Line 
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_ONSET 1
23#define PROG_HAS_OUTPUT 1
24#define PROG_HAS_JACK 1
25#include "parse_args.h"
26
27aubio_onset_t *o;
28aubio_wavetable_t *wavetable;
29fvec_t *onset;
30smpl_t is_onset;
31
32void process_block(fvec_t *ibuf, fvec_t *obuf)
33{
34  aubio_onset_do (o, ibuf, onset);
35  is_onset = fvec_get_sample(onset, 0);
36  if ( !usejack && ! sink_uri ) return;
37  fvec_zeros(obuf);
38  if ( is_onset ) {
39    aubio_wavetable_play ( wavetable );
40  } else {
41    aubio_wavetable_stop ( wavetable );
42  }
43  if (mix_input)
44    aubio_wavetable_do (wavetable, ibuf, obuf);
45  else
46    aubio_wavetable_do (wavetable, obuf, obuf);
47}
48
49void process_print (void)
50{
51  if ( is_onset ) {
52    print_time(aubio_onset_get_last (o));
53    outmsg ("\n");
54  }
55}
56
57int main(int argc, char **argv) {
58  examples_common_init(argc,argv);
59
60  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
61  verbmsg ("onset method: %s, ", onset_method);
62  verbmsg ("buffer_size: %d, ", buffer_size);
63  verbmsg ("hop_size: %d, ", hop_size);
64  verbmsg ("silence: %f, ", silence_threshold);
65  verbmsg ("threshold: %f\n", onset_threshold);
66
67  o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);
68  if (onset_threshold != 0.)
69    aubio_onset_set_threshold (o, onset_threshold);
70  if (silence_threshold != -90.)
71    aubio_onset_set_silence (o, silence_threshold);
72
73  onset = new_fvec (1);
74
75  wavetable = new_aubio_wavetable (samplerate, hop_size);
76  aubio_wavetable_set_freq ( wavetable, 2450.);
77  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
78
79  examples_common_process((aubio_process_func_t)process_block, process_print);
80
81  del_aubio_onset (o);
82  del_aubio_wavetable (wavetable);
83  del_fvec (onset);
84
85  examples_common_del();
86  return 0;
87}
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