source: tests/src/tempo/test-tempo.c @ b136658

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since b136658 was b136658, checked in by Paul Brossier <piem@piem.org>, 4 years ago

tests/src/tempo/test-tempo.c: tempo back to only one output

  • Property mode set to 100644
File size: 1.9 KB
Line 
1#include <aubio.h>
2#include "utils_tests.h"
3
4int main (int argc, char **argv)
5{
6  uint_t err = 0;
7  if (argc < 2) {
8    err = 2;
9    PRINT_ERR("not enough arguments\n");
10    PRINT_MSG("read a wave file as a mono vector\n");
11    PRINT_MSG("usage: %s <source_path> [samplerate] [win_size] [hop_size]\n", argv[0]);
12    return err;
13  }
14  uint_t samplerate = 0;
15  if ( argc >= 3 ) samplerate = atoi(argv[2]);
16  uint_t win_size = 1024; // window size
17  if ( argc >= 4 ) win_size = atoi(argv[3]);
18  uint_t hop_size = win_size / 4;
19  if ( argc >= 5 ) hop_size = atoi(argv[4]);
20  uint_t n_frames = 0, read = 0;
21
22  char_t *source_path = argv[1];
23  aubio_source_t * source = new_aubio_source(source_path, samplerate, hop_size);
24  if (!source) { err = 1; goto beach; }
25
26  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(source);
27
28  // create some vectors
29  fvec_t * in = new_fvec (hop_size); // input audio buffer
30  fvec_t * out = new_fvec (1); // output position
31
32  // create tempo object
33  aubio_tempo_t * o = new_aubio_tempo("default", win_size, hop_size, samplerate);
34
35  do {
36    // put some fresh data in input vector
37    aubio_source_do(source, in, &read);
38    // execute tempo
39    aubio_tempo_do(o,in,out);
40    // do something with the beats
41    if (out->data[0] != 0) {
42      PRINT_MSG("beat at %.3fms, %.3fs, frame %d, %.2fbpm with confidence %.2f\n",
43          aubio_tempo_get_last_ms(o), aubio_tempo_get_last_s(o),
44          aubio_tempo_get_last(o), aubio_tempo_get_bpm(o), aubio_tempo_get_confidence(o));
45    }
46    n_frames += read;
47  } while ( read == hop_size );
48
49  PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
50      n_frames * 1. / samplerate,
51      n_frames, samplerate,
52      n_frames / hop_size, source_path);
53
54  // clean up memory
55  del_aubio_tempo(o);
56  del_fvec(in);
57  del_fvec(out);
58  del_aubio_source(source);
59beach:
60  aubio_cleanup();
61
62  return err;
63}
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