aubio: pitch/test-pitch.c

aubio 0.4.6

pitch/test-pitch.c
#include <aubio.h>
int main (void)
{
// 1. allocate some memory
uint_t n = 0; // frame counter
uint_t win_s = 1024; // window size
uint_t hop_s = win_s / 4; // hop size
uint_t samplerate = 44100; // samplerate
// create some vectors
fvec_t *input = new_fvec (hop_s); // input buffer
fvec_t *out = new_fvec (1); // output candidates
// create pitch object
aubio_pitch_t *o = new_aubio_pitch ("default", win_s, hop_s, samplerate);
// 2. do something with it
while (n < 100) {
// get `hop_s` new samples into `input`
// ...
// exectute pitch
aubio_pitch_do (o, input, out);
// do something with output candidates
// ...
n++;
};
// 3. clean up memory
del_aubio_pitch (o);
del_fvec (out);
del_fvec (input);
aubio_cleanup ();
return 0;
}