source: tests/src/spectral/test-awhitening.c @ 88a4d8a

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretch
Last change on this file since 88a4d8a was 88a4d8a, checked in by Paul Brossier <piem@piem.org>, 18 months ago

[tests] increase awhitening coverage

  • Property mode set to 100644
File size: 2.9 KB
Line 
1#include <aubio.h>
2#include "utils_tests.h"
3
4int test_wrong_params(void);
5
6int main (int argc, char **argv)
7{
8  sint_t err = 0;
9
10  if (argc < 3) {
11    err = 2;
12    PRINT_WRN("no arguments, running tests\n");
13    if (test_wrong_params() != 0) {
14      PRINT_ERR("tests failed!\n");
15      err = 1;
16    } else {
17      err = 0;
18    }
19    PRINT_MSG("usage: %s <input_path> <output_path> [samplerate] [hop_size]\n", argv[0]);
20    return err;
21  }
22
23  uint_t samplerate = 0;
24  uint_t win_size = 1024;
25  uint_t hop_size = 512;
26  uint_t n_frames = 0, read = 0;
27
28  char_t *source_path = argv[1];
29  char_t *sink_path = argv[2];
30
31  if ( argc >= 4 ) samplerate = atoi(argv[3]);
32  if ( argc >= 5 ) hop_size = atoi(argv[4]);
33  if ( argc >= 6 ) {
34    err = 2;
35    PRINT_ERR("too many arguments\n");
36    return err;
37  }
38
39  fvec_t *vec = new_fvec(hop_size);
40  fvec_t *out = new_fvec(hop_size); // output buffer
41  fvec_t *scale = new_fvec(hop_size);
42  cvec_t *fftgrain = new_cvec(win_size); // fft norm and phase
43  if (!vec) { err = 1; goto beach_fvec; }
44
45  aubio_source_t *i = new_aubio_source(source_path, samplerate, hop_size);
46  if (!i) { err = 1; goto beach_source; }
47
48  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(i);
49
50  aubio_sink_t *o = new_aubio_sink(sink_path, samplerate);
51  if (!o) { err = 1; goto beach_sink; }
52
53  aubio_pvoc_t *pv = new_aubio_pvoc(win_size, hop_size);
54
55  aubio_spectral_whitening_t *awhitening =
56    new_aubio_spectral_whitening (win_size, hop_size, samplerate);
57
58  aubio_spectral_whitening_set_relax_time(awhitening, 20.);
59  fvec_set_all(scale, 3.);
60
61  PRINT_MSG("spectral whitening relaxation time is %f\n",
62      aubio_spectral_whitening_get_relax_time(awhitening));
63
64  do {
65    aubio_source_do(i, vec, &read);
66    aubio_pvoc_do(pv, vec, fftgrain);
67    // apply spectral whitening
68    aubio_spectral_whitening_do(awhitening, fftgrain);
69    // rebuild the signal
70    aubio_pvoc_rdo(pv, fftgrain, out);
71    // make louder
72    fvec_weight(out, scale);
73    // make sure we dont saturate
74    fvec_clamp(out, 1.);
75    // write output
76    aubio_sink_do(o, out, read);
77    n_frames += read;
78  } while ( read == hop_size );
79
80  PRINT_MSG("read %d frames at %dHz (%d blocks) from %s written to %s\n",
81      n_frames, samplerate, n_frames / hop_size,
82      source_path, sink_path);
83
84  del_aubio_sink(o);
85beach_sink:
86  del_aubio_source(i);
87beach_source:
88  del_fvec(vec);
89beach_fvec:
90  return err;
91}
92
93int test_wrong_params(void)
94{
95  uint_t buf_size = 512;
96  uint_t hop_size = 256;
97  uint_t samplerate = 44100;
98  aubio_spectral_whitening_t *o;
99
100  if (new_aubio_spectral_whitening(       0, hop_size, samplerate)) return 1;
101  if (new_aubio_spectral_whitening(buf_size,        0, samplerate)) return 1;
102  if (new_aubio_spectral_whitening(buf_size, hop_size,          0)) return 1;
103
104  o = new_aubio_spectral_whitening(buf_size, hop_size, samplerate);
105
106  aubio_spectral_whitening_get_relax_time(o);
107  aubio_spectral_whitening_get_floor(o);
108
109  del_aubio_spectral_whitening(o);
110
111  return 0;
112}
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