Changeset 423a427 for tests


Ignore:
Timestamp:
Dec 11, 2018, 3:30:49 PM (12 months ago)
Author:
Paul Brossier <piem@piem.org>
Branches:
feature/autosink, feature/constantq, feature/pitchshift, feature/timestretch, master
Children:
6b84d81
Parents:
54966f5
Message:

[tests] improve test-mfcc (closes #219)

File:
1 edited

Legend:

Unmodified
Added
Removed
  • tests/src/spectral/test-mfcc.c

    r54966f5 r423a427  
    11#include <aubio.h>
     2#include "utils_tests.h"
    23
    3 int main (void)
     4int test_wrong_params(void);
     5
     6int main (int argc, char** argv)
     7{
     8  sint_t err = 0;
     9
     10  if (argc < 2) {
     11    err = 2;
     12    PRINT_WRN("no arguments, running tests\n");
     13    err = test_wrong_params();
     14    PRINT_MSG("usage: %s <input_path> [samplerate] [hop_size]\n", argv[0]);
     15    return err;
     16  }
     17
     18  uint_t win_s; // fft size
     19  uint_t hop_s = 256; // block size
     20  uint_t samplerate = 0; // samplerate
     21  uint_t n_filters = 40; // number of filters
     22  uint_t n_coeffs = 13; // number of coefficients
     23  uint_t read = 0;
     24
     25  char_t *source_path = argv[1];
     26
     27  if ( argc >= 3 ) samplerate = atoi(argv[2]);
     28  if ( argc >= 4 ) hop_s = atoi(argv[3]);
     29
     30  win_s = 2 * hop_s;
     31
     32  aubio_source_t *source = 0;
     33  aubio_pvoc_t *pv = 0;
     34  aubio_mfcc_t *mfcc = 0;
     35
     36  fvec_t *in = new_fvec (win_s); // input buffer
     37  cvec_t *fftgrain = new_cvec (win_s); // input buffer
     38  fvec_t *out = new_fvec (n_coeffs); // output coefficients
     39
     40  if (!in || !fftgrain || !out) { err = 1; goto failure; }
     41
     42  // source
     43  source = new_aubio_source(source_path, samplerate, hop_s);
     44  if (!source) { err = 1; goto failure; }
     45  if (samplerate == 0) samplerate = aubio_source_get_samplerate(source);
     46
     47  // phase vocoder
     48  pv = new_aubio_pvoc(win_s, hop_s);
     49  if (!pv) { err = 1; goto failure; }
     50
     51  // mfcc object
     52  mfcc = new_aubio_mfcc (win_s, n_filters, n_coeffs, samplerate);
     53  if (!mfcc) { err = 1; goto failure; }
     54
     55  // processing loop
     56  do {
     57    aubio_source_do(source, in, &read);
     58    aubio_pvoc_do(pv, in, fftgrain);
     59    aubio_mfcc_do(mfcc, fftgrain, out);
     60    fvec_print(out);
     61  } while (read == hop_s);
     62
     63failure:
     64
     65  if (mfcc)
     66    del_aubio_mfcc(mfcc);
     67  if (pv)
     68    del_aubio_pvoc(pv);
     69  if (source)
     70    del_aubio_source(source);
     71  if (in)
     72    del_fvec(in);
     73  if (fftgrain)
     74    del_cvec(fftgrain);
     75  if (out)
     76    del_fvec(out);
     77  aubio_cleanup();
     78  return err;
     79}
     80
     81int test_wrong_params()
    482{
    583  uint_t win_s = 512; // fft size
     
    785  uint_t n_coeffs = 13; // number of coefficients
    886  smpl_t samplerate = 16000.; // samplerate
    9   cvec_t *in = new_cvec (win_s); // input buffer
    10   fvec_t *out = new_fvec (n_coeffs); // output coefficients
    1187
    1288  if (new_aubio_mfcc(    0, n_filters, n_coeffs, samplerate)) return 1;
     
    1591  if (new_aubio_mfcc(win_s, n_filters, n_coeffs,          0)) return 1;
    1692
    17   // create mfcc object
    18   aubio_mfcc_t *o = new_aubio_mfcc (win_s, n_filters, n_coeffs, samplerate);
    19 
    20   cvec_norm_set_all (in, 1.);
    21   aubio_mfcc_do (o, in, out);
    22   fvec_print (out);
    23 
    24   cvec_norm_set_all (in, .5);
    25   aubio_mfcc_do (o, in, out);
    26   fvec_print (out);
    27 
    28   // clean up
    29   del_aubio_mfcc (o);
    30   del_cvec (in);
    31   del_fvec (out);
    32   aubio_cleanup ();
    33 
    34   return 0;
     93  return run_on_default_source(main);
    3594}
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