source: examples/aubiotrack.c @ a35db12

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since a35db12 was a35db12, checked in by Paul Brossier <piem@piem.org>, 6 years ago

examples/aubiotrack.c: enable -O and -t options

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File size: 2.7 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_TEMPO 1
23#define PROG_HAS_ONSET 1
24#define PROG_HAS_OUTPUT 1
25#define PROG_HAS_JACK 1
26#include "parse_args.h"
27
28aubio_tempo_t * tempo;
29aubio_wavetable_t *wavetable;
30fvec_t * tempo_out;
31smpl_t is_beat = 0;
32uint_t is_silence = 0.;
33
34void process_block(fvec_t * ibuf, fvec_t *obuf) {
35  aubio_tempo_do (tempo, ibuf, tempo_out);
36  is_beat = fvec_get_sample (tempo_out, 0);
37  if (silence_threshold != -90.)
38    is_silence = aubio_silence_detection(ibuf, silence_threshold);
39  if ( !usejack && ! sink_uri ) return;
40  fvec_zeros (obuf);
41  if ( is_beat && !is_silence ) {
42    aubio_wavetable_play ( wavetable );
43  } else {
44    aubio_wavetable_stop ( wavetable );
45  }
46  if (mix_input)
47    aubio_wavetable_do (wavetable, ibuf, obuf);
48  else
49    aubio_wavetable_do (wavetable, obuf, obuf);
50}
51
52void process_print (void) {
53  if ( is_beat && !is_silence ) {
54    print_time (aubio_tempo_get_last (tempo));
55    outmsg ("\n");
56  }
57}
58
59int main(int argc, char **argv) {
60  // override general settings from utils.c
61  buffer_size = 1024;
62  hop_size = 512;
63
64  examples_common_init(argc,argv);
65
66  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
67
68  verbmsg ("tempo method: %s, ", tempo_method);
69  verbmsg ("buffer_size: %d, ", buffer_size);
70  verbmsg ("hop_size: %d, ", hop_size);
71  verbmsg ("threshold: %f\n", onset_threshold);
72
73  tempo_out = new_fvec(2);
74  tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
75  // set silence threshold very low to output beats even during silence
76  // aubio_tempo_set_silence(tempo, -1000.);
77  if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);
78
79  wavetable = new_aubio_wavetable (samplerate, hop_size);
80  aubio_wavetable_set_freq ( wavetable, 2450.);
81  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
82
83  examples_common_process((aubio_process_func_t)process_block,process_print);
84
85  del_aubio_tempo(tempo);
86  del_aubio_wavetable (wavetable);
87  del_fvec(tempo_out);
88
89  examples_common_del();
90  return 0;
91}
92
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