source: tests/src/tempo/test-tempo.c @ f69e3bd

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since f69e3bd was f69e3bd, checked in by Paul Brossier <piem@piem.org>, 7 years ago

tests/src/{onset,tempo}/test-*.c: improve test programs

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File size: 1.8 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] [hop_size]\n", argv[0]);
12    return err;
13  }
14  uint_t samplerate = 0;
15  uint_t win_s = 1024; // window size
16  uint_t hop_size = win_s / 4;
17  uint_t n_frames = 0, read = 0;
18  if ( argc == 3 ) samplerate = atoi(argv[2]);
19  if ( argc == 4 ) hop_size = atoi(argv[3]);
20
21  char_t *source_path = argv[1];
22  aubio_source_t * source = new_aubio_source(source_path, samplerate, hop_size);
23  if (!source) { err = 1; goto beach; }
24
25  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(source);
26
27  // create some vectors
28  fvec_t * in = new_fvec (hop_size); // input audio buffer
29  fvec_t * out = new_fvec (2); // output position
30
31  // create tempo object
32  aubio_tempo_t * o = new_aubio_tempo("default", win_s, hop_size, samplerate);
33
34  do {
35    // put some fresh data in input vector
36    aubio_source_do(source, in, &read);
37    // execute tempo
38    aubio_tempo_do(o,in,out);
39    // do something with the beats
40    if (out->data[0] != 0) {
41      PRINT_MSG("beat at %.3fms, %.3fs, frame %d, %.2fbpm with confidence %.2f\n",
42          aubio_tempo_get_last_ms(o), aubio_tempo_get_last_s(o),
43          aubio_tempo_get_last(o), aubio_tempo_get_bpm(o), aubio_tempo_get_confidence(o));
44    }
45    n_frames += read;
46  } while ( read == hop_size );
47
48  PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
49      n_frames * 1. / samplerate,
50      n_frames, samplerate,
51      n_frames / hop_size, source_path);
52
53  // clean up memory
54  del_aubio_tempo(o);
55  del_fvec(in);
56  del_fvec(out);
57  del_aubio_source(source);
58beach:
59  aubio_cleanup();
60
61  return err;
62}
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