source: examples/aubioonset.c @ e0a9fd2

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5sampleryinfft+
Last change on this file since e0a9fd2 was e0a9fd2, checked in by Paul Brossier <piem@piem.org>, 7 years ago

examples/aubioonset.c: use seconds for minioi

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File size: 2.8 KB
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[96fb8ad]1/*
[466dff3]2  Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
[96fb8ad]3
[6a2478c]4  This file is part of aubio.
[96fb8ad]5
[6a2478c]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/>.
[96fb8ad]18
19*/
20
21#include "utils.h"
[466dff3]22#define PROG_HAS_ONSET 1
[3da8187]23#define PROG_HAS_OUTPUT 1
[82ae9d7]24#define PROG_HAS_SILENCE 1
[3da8187]25#define PROG_HAS_JACK 1
[1b25a70]26#include "parse_args.h"
[96fb8ad]27
[d4c5de7]28aubio_onset_t *o;
[f3617e7]29aubio_wavetable_t *wavetable;
[d4c5de7]30fvec_t *onset;
[ce6186a]31smpl_t is_onset;
[d4c5de7]32
[d389e23]33void process_block(fvec_t *ibuf, fvec_t *obuf)
34{
[466dff3]35  aubio_onset_do (o, ibuf, onset);
[c34336e]36  is_onset = fvec_get_sample(onset, 0);
[822190c]37  if ( !usejack && ! sink_uri ) return;
38  fvec_zeros(obuf);
[614ba69]39  if ( is_onset ) {
[466dff3]40    aubio_wavetable_play ( wavetable );
[2293d6a]41    /* send a midi tap (default to C0) out to the midi output */
42    if (usejack) send_noteon(miditap_note, miditap_velo);
[466dff3]43  } else {
44    aubio_wavetable_stop ( wavetable );
[96fb8ad]45  }
[3da8187]46  if (mix_input)
47    aubio_wavetable_do (wavetable, ibuf, obuf);
48  else
49    aubio_wavetable_do (wavetable, obuf, obuf);
[96fb8ad]50}
51
[d389e23]52void process_print (void)
[4621cd6]53{
[614ba69]54  if ( is_onset ) {
[df7be43]55    print_time(aubio_onset_get_last (o));
56    outmsg ("\n");
[4621cd6]57  }
[bd2f2ab]58}
[96fb8ad]59
[bd2f2ab]60int main(int argc, char **argv) {
[61a1e5d]61  int ret = 0;
[bd2f2ab]62  examples_common_init(argc,argv);
[d4c5de7]63
[466dff3]64  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
65  verbmsg ("onset method: %s, ", onset_method);
66  verbmsg ("buffer_size: %d, ", buffer_size);
67  verbmsg ("hop_size: %d, ", hop_size);
[614ba69]68  verbmsg ("silence: %f, ", silence_threshold);
[466dff3]69  verbmsg ("threshold: %f\n", onset_threshold);
70
71  o = new_aubio_onset (onset_method, buffer_size, hop_size, samplerate);
[61a1e5d]72  if (o == NULL) { ret = 1; goto beach; }
[614ba69]73  if (onset_threshold != 0.)
74    aubio_onset_set_threshold (o, onset_threshold);
75  if (silence_threshold != -90.)
76    aubio_onset_set_silence (o, silence_threshold);
[ab7212f]77  if (onset_minioi != 0.)
[e0a9fd2]78    aubio_onset_set_minioi_s (o, onset_minioi);
[614ba69]79
[4621cd6]80  onset = new_fvec (1);
[d4c5de7]81
[466dff3]82  wavetable = new_aubio_wavetable (samplerate, hop_size);
[f3617e7]83  aubio_wavetable_set_freq ( wavetable, 2450.);
84  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
85
[466dff3]86  examples_common_process((aubio_process_func_t)process_block, process_print);
[d4c5de7]87
[2293d6a]88  // send a last note off
[1186c98]89  if (usejack) {
90    send_noteon (miditap_note, 0);
91  }
[2293d6a]92
[d4c5de7]93  del_aubio_onset (o);
[f3617e7]94  del_aubio_wavetable (wavetable);
[d4c5de7]95  del_fvec (onset);
96
[61a1e5d]97beach:
[bd2f2ab]98  examples_common_del();
[61a1e5d]99  return ret;
[96fb8ad]100}
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