source: examples/aubiotrack.c @ 5bf23f7

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 5bf23f7 was 5bf23f7, checked in by Paul Brossier <piem@piem.org>, 10 years ago

src/tempo/tempo.{c,h}: rename aubio_tempo to aubio_tempo_do

  • Property mode set to 100644
File size: 2.8 KB
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1/*
2   Copyright (C) 2003 Paul Brossier
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 2 of the License, or
7   (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17*/
18
19#include <aubio.h>
20#include "utils.h"
21
22unsigned int pos          = 0;    /* frames%dspblocksize */
23uint_t usepitch           = 0;
24fvec_t * out              = NULL;
25aubio_tempo_t * bt        = NULL;
26smpl_t istactus           = 0;
27
28int aubio_process(smpl_t **input, smpl_t **output, int nframes);
29int aubio_process(smpl_t **input, smpl_t **output, int nframes) {
30  unsigned int i;       /*channels*/
31  unsigned int j;       /*frames*/
32  for (j=0;j<(unsigned)nframes;j++) {
33    if(usejack) {
34      for (i=0;i<channels;i++) {
35        /* write input to datanew */
36        fvec_write_sample(ibuf, input[i][j], i, pos);
37        /* put synthnew in output */
38        output[i][j] = fvec_read_sample(obuf, i, pos);
39      }
40    }
41    /*time for fft*/
42    if (pos == overlap_size-1) {         
43      /* block loop */
44      aubio_tempo_do (bt,ibuf,out);
45      if (out->data[0][0]>=1) 
46        istactus = out->data[0][0];
47      else 
48        istactus = 0;
49      if (istactus) {
50              for (pos = 0; pos < overlap_size; pos++)
51                      obuf->data[0][pos] = woodblock->data[0][pos];
52      } else {
53              for (pos = 0; pos < overlap_size; pos++)
54                      obuf->data[0][pos] = 0.;
55      }
56      /* end of block loop */
57      pos = -1; /* so it will be zero next j loop */
58    }
59    pos++;
60  }
61  return 1;
62}
63
64void process_print (void);
65void process_print (void) {
66        if (output_filename == NULL) {
67                if (istactus) {
68                        outmsg("%f\n",((smpl_t)(frames*overlap_size)+(istactus-1.)*overlap_size)/(smpl_t)samplerate); 
69                }
70                if (isonset && verbose)
71                        outmsg(" \t \t%f\n",(frames)*overlap_size/(float)samplerate);
72        }
73}
74
75int main(int argc, char **argv) {
76 
77  buffer_size = 1024;
78  overlap_size = 512;
79  /* override default settings */
80  examples_common_init(argc,argv);
81
82  out = new_fvec(2,channels);
83  bt  = new_aubio_tempo(type_onset,buffer_size,overlap_size,channels);
84
85  examples_common_process(aubio_process,process_print);
86
87  del_aubio_tempo(bt);
88  del_fvec(out);
89
90  examples_common_del();
91
92  debug("End of program.\n");
93
94  fflush(stderr);
95
96  return 0;
97}
98
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