source: tests/src/spectral/test-awhitening.c @ a3d8795

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretch
Last change on this file since a3d8795 was a3d8795, checked in by Paul Brossier <piem@piem.org>, 12 months ago

[tests] use run_on_default_source_and_sink in awhitening

  • Property mode set to 100644
File size: 2.8 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    err = test_wrong_params();
14    PRINT_MSG("usage: %s <input_path> <output_path> [samplerate] [hop_size]\n", argv[0]);
15    return err;
16  }
17
18  uint_t samplerate = 0;
19  uint_t win_size = 1024;
20  uint_t hop_size = 512;
21  uint_t n_frames = 0, read = 0;
22
23  char_t *source_path = argv[1];
24  char_t *sink_path = argv[2];
25
26  if ( argc >= 4 ) samplerate = atoi(argv[3]);
27  if ( argc >= 5 ) hop_size = atoi(argv[4]);
28
29  fvec_t *vec = new_fvec(hop_size);
30  fvec_t *out = new_fvec(hop_size); // output buffer
31  fvec_t *scale = new_fvec(hop_size);
32  cvec_t *fftgrain = new_cvec(win_size); // fft norm and phase
33  if (!vec) { err = 1; goto beach_fvec; }
34
35  aubio_source_t *i = new_aubio_source(source_path, samplerate, hop_size);
36  if (!i) { err = 1; goto beach_source; }
37
38  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(i);
39
40  aubio_sink_t *o = new_aubio_sink(sink_path, samplerate);
41  if (!o) { err = 1; goto beach_sink; }
42
43  aubio_pvoc_t *pv = new_aubio_pvoc(win_size, hop_size);
44
45  aubio_spectral_whitening_t *awhitening =
46    new_aubio_spectral_whitening (win_size, hop_size, samplerate);
47
48  aubio_spectral_whitening_set_relax_time(awhitening, 20.);
49  fvec_set_all(scale, 3.);
50
51  PRINT_MSG("spectral whitening relaxation time is %f\n",
52      aubio_spectral_whitening_get_relax_time(awhitening));
53
54  do {
55    aubio_source_do(i, vec, &read);
56    aubio_pvoc_do(pv, vec, fftgrain);
57    // apply spectral whitening
58    aubio_spectral_whitening_do(awhitening, fftgrain);
59    // rebuild the signal
60    aubio_pvoc_rdo(pv, fftgrain, out);
61    // make louder
62    fvec_weight(out, scale);
63    // make sure we dont saturate
64    fvec_clamp(out, 1.);
65    // write output
66    aubio_sink_do(o, out, read);
67    n_frames += read;
68  } while ( read == hop_size );
69
70  PRINT_MSG("read %d frames at %dHz (%d blocks) from %s written to %s\n",
71      n_frames, samplerate, n_frames / hop_size,
72      source_path, sink_path);
73
74  del_aubio_sink(o);
75beach_sink:
76  del_aubio_source(i);
77beach_source:
78  del_fvec(vec);
79beach_fvec:
80  return err;
81}
82
83int test_wrong_params(void)
84{
85  uint_t buf_size = 512;
86  uint_t hop_size = 256;
87  uint_t samplerate = 44100;
88  aubio_spectral_whitening_t *o;
89
90  if (new_aubio_spectral_whitening(       0, hop_size, samplerate)) return 1;
91  if (new_aubio_spectral_whitening(buf_size,        0, samplerate)) return 1;
92  if (new_aubio_spectral_whitening(buf_size, hop_size,          0)) return 1;
93
94  o = new_aubio_spectral_whitening(buf_size, hop_size, samplerate);
95
96  aubio_spectral_whitening_get_relax_time(o);
97  aubio_spectral_whitening_get_floor(o);
98
99  del_aubio_spectral_whitening(o);
100
101  return run_on_default_source_and_sink(main);
102}
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