2 #include "utils_tests.h"
4 int main (int argc, char **argv)
11 PRINT_ERR("not enough arguments\n");
12 PRINT_MSG("read a wave file as a mono vector\n");
13 PRINT_MSG("usage: %s <source_path> [samplerate] [hop_size]\n", argv[0]);
14 PRINT_MSG("examples:\n");
15 PRINT_MSG(" - read file.wav at original samplerate\n");
16 PRINT_MSG(" %s file.wav\n", argv[0]);
17 PRINT_MSG(" - read file.wav at 32000Hz\n");
18 PRINT_MSG(" %s file.aif 32000\n", argv[0]);
19 PRINT_MSG(" - read file.wav at original samplerate with 4096 blocks\n");
20 PRINT_MSG(" %s file.wav 0 4096 \n", argv[0]);
24 uint_t samplerate = 0;
25 uint_t hop_size = 256;
26 uint_t n_frames = 0, read = 0;
27 uint_t old_n_frames_1 = 0, old_n_frames_2 = 0, old_n_frames_3 = 0;
28 if ( argc == 3 ) samplerate = atoi(argv[2]);
29 if ( argc == 4 ) hop_size = atoi(argv[3]);
31 char_t *source_path = argv[1];
33 fvec_t *vec = new_fvec(hop_size);
35 aubio_source_t* s = new_aubio_source(source_path, samplerate, hop_size);
36 if (!s) { err = 1; goto beach; }
38 if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(s);
41 aubio_source_do(s, vec, &read);
44 } while ( read == hop_size );
46 PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
47 n_frames * 1. / samplerate,
49 n_frames / hop_size, source_path);
51 old_n_frames_1 = n_frames;
53 aubio_source_seek (s, 0);
57 aubio_source_do(s, vec, &read);
60 } while ( read == hop_size );
62 PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
63 n_frames * 1. / samplerate,
65 n_frames / hop_size, source_path);
67 old_n_frames_2 = n_frames;
69 aubio_source_seek (s, old_n_frames_1 / 2);
73 aubio_source_do(s, vec, &read);
76 } while ( read == hop_size );
78 PRINT_MSG("read %.2fs, %d frames at %dHz (%d blocks) from %s\n",
79 n_frames * 1. / samplerate,
81 n_frames / hop_size, source_path);
83 old_n_frames_3 = n_frames;
89 // check that we got exactly the same number of frames
90 assert ( old_n_frames_2 == old_n_frames_1 );
91 // check that we got about half the frames, with 3 decimals
92 assert ( roundf(1.e3 * old_n_frames_1 / old_n_frames_3) / 1.e3 == 2.);