source: examples/aubioonset.c @ e987c05

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since e987c05 was e987c05, checked in by Paul Brossier <piem@piem.org>, 7 years ago

examples/aubioonset.c: rename get_last_onset to get_last

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2  Copyright (C) 2003-2009 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
23unsigned int pos = 0; /*frames%dspblocksize*/
24
25aubio_onset_t *o;
26fvec_t *onset;
27
28static int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
29  unsigned int j;       /*frames*/
30  for (j=0;j<(unsigned)nframes;j++) {
31    if(usejack) {
32      /* write input to datanew */
33      fvec_write_sample(ibuf, input[0][j], pos);
34      /* put synthnew in output */
35      output[0][j] = fvec_read_sample(obuf, pos);
36    }
37    /*time for fft*/
38    if (pos == overlap_size-1) {
39      /* block loop */
40      aubio_onset_do (o, ibuf, onset);
41      if ( fvec_read_sample(onset, 0) ) {
42        fvec_copy (woodblock, obuf);
43      } else {
44        fvec_zeros (obuf);
45      }
46      /* end of block loop */
47      pos = -1; /* so it will be zero next j loop */
48    }
49    pos++;
50  }
51  return 1;
52}
53
54static void
55process_print (void)
56{
57  /* output times in seconds, taking back some delay to ensure the label is
58   * _before_ the actual onset */
59  if (!verbose && usejack)
60    return;
61  smpl_t onset_found = fvec_read_sample (onset, 0);
62  if (onset_found) {
63    outmsg ("%f\n", aubio_onset_get_last_s (o) );
64  }
65}
66
67int main(int argc, char **argv) {
68  frames_delay = 3;
69  examples_common_init(argc,argv);
70
71  o = new_aubio_onset (onset_mode, buffer_size, overlap_size, samplerate);
72  if (threshold != 0.) aubio_onset_set_threshold (o, threshold);
73  onset = new_fvec (1);
74
75  examples_common_process(aubio_process,process_print);
76
77  del_aubio_onset (o);
78  del_fvec (onset);
79
80  examples_common_del();
81  debug("End of program.\n");
82  fflush(stderr);
83  return 0;
84}
85
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