source: tests/src/io/test-source_seek.c @ da67922

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretch
Last change on this file since da67922 was da67922, checked in by Paul Brossier <piem@piem.org>, 13 months ago

[tests] use run_on_default_source in all source tests

  • Property mode set to 100644
File size: 2.6 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    PRINT_ERR("not enough arguments, running tests\n");
9    err = run_on_default_source(main);
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    PRINT_MSG("examples:\n");
13    PRINT_MSG(" - read file.wav at original samplerate\n");
14    PRINT_MSG("       %s file.wav\n", argv[0]);
15    PRINT_MSG(" - read file.wav at 32000Hz\n");
16    PRINT_MSG("       %s file.aif 32000\n", argv[0]);
17    PRINT_MSG(" - read file.wav at original samplerate with 4096 blocks\n");
18    PRINT_MSG("       %s file.wav 0 4096 \n", argv[0]);
19    return err;
20  }
21
22  uint_t samplerate = 0;
23  uint_t hop_size = 256;
24  uint_t n_frames = 0, read = 0;
25  uint_t old_n_frames_1 = 0, old_n_frames_2 = 0, old_n_frames_3 = 0;
26  if ( argc == 3 ) samplerate = atoi(argv[2]);
27  if ( argc == 4 ) hop_size = atoi(argv[3]);
28
29  char_t *source_path = argv[1];
30
31  fvec_t *vec = new_fvec(hop_size);
32
33  aubio_source_t* s = new_aubio_source(source_path, samplerate, hop_size);
34  if (!s) { err = 1; goto beach; }
35
36  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(s);
37
38  do {
39    aubio_source_do(s, vec, &read);
40    //fvec_print (vec);
41    n_frames += read;
42  } while ( read == hop_size );
43
44  PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
45      n_frames * 1. / samplerate,
46      n_frames, samplerate,
47      n_frames / hop_size, source_path);
48
49  old_n_frames_1 = n_frames;
50
51  aubio_source_seek (s, 0);
52
53  n_frames = 0;
54  do {
55    aubio_source_do(s, vec, &read);
56    //fvec_print (vec);
57    n_frames += read;
58  } while ( read == hop_size );
59
60  PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
61      n_frames * 1. / samplerate,
62      n_frames, samplerate,
63      n_frames / hop_size, source_path);
64
65  old_n_frames_2 = n_frames;
66
67  aubio_source_seek (s, old_n_frames_1 / 2);
68
69  n_frames = 0;
70  do {
71    aubio_source_do(s, vec, &read);
72    //fvec_print (vec);
73    n_frames += read;
74  } while ( read == hop_size );
75
76  PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
77      n_frames * 1. / samplerate,
78      n_frames, samplerate,
79      n_frames / hop_size, source_path);
80
81  old_n_frames_3 = n_frames;
82
83  del_aubio_source (s);
84beach:
85  del_fvec (vec);
86
87  // check that we got exactly the same number of frames
88  assert ( old_n_frames_2 == old_n_frames_1 );
89  // check that we got about half the frames, with 3 decimals
90  assert ( roundf(1.e3 * old_n_frames_1 / old_n_frames_3) / 1.e3 == 2.);
91  return err;
92}
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