aubio: io/test-source.c

aubio 0.4.7

io/test-source.c
#include <aubio.h>
#include "utils_tests.h"
int main (int argc, char **argv)
{
uint_t err = 0;
if (argc < 2) {
err = 2;
PRINT_ERR("not enough arguments\n");
PRINT_MSG("read a wave file as a mono vector\n");
PRINT_MSG("usage: %s <source_path> [samplerate] [hop_size]\n", argv[0]);
PRINT_MSG("examples:\n");
PRINT_MSG(" - read file.wav at original samplerate\n");
PRINT_MSG(" %s file.wav\n", argv[0]);
PRINT_MSG(" - read file.wav at 32000Hz\n");
PRINT_MSG(" %s file.aif 32000\n", argv[0]);
PRINT_MSG(" - read file.wav at original samplerate with 4096 blocks\n");
PRINT_MSG(" %s file.wav 0 4096 \n", argv[0]);
return err;
}
uint_t samplerate = 0;
uint_t hop_size = 256;
uint_t n_frames = 0, read = 0;
if ( argc == 3 ) samplerate = atoi(argv[2]);
if ( argc == 4 ) hop_size = atoi(argv[3]);
char_t *source_path = argv[1];
aubio_source_t* s =
new_aubio_source(source_path, samplerate, hop_size);
if (!s) { err = 1; goto beach; }
fvec_t *vec = new_fvec(hop_size);
uint_t n_frames_expected = aubio_source_get_duration(s);
samplerate = aubio_source_get_samplerate(s);
do {
aubio_source_do(s, vec, &read);
fvec_print (vec);
n_frames += read;
} while ( read == hop_size );
PRINT_MSG("read %d frames (expected %d) at %dHz (%d blocks) from %s\n",
n_frames, n_frames_expected, samplerate, n_frames / hop_size,
source_path);
// close the file (optional)
aubio_source_close(s);
// test closing the file a second time
aubio_source_close(s);
del_fvec (vec);
del_aubio_source (s);
beach:
return err;
}