AubioOnsetDetector :: ~AubioOnsetDetector(){
aubio_onsetdetection_free (o);
del_aubio_pvoc(pv);
del_aubio_peakpicker(parms);
del_fvec(vec);
aubio_cleanup();
}
void del_aubio_onset (aubio_onset_t *o)
{
del_aubio_specdesc(o->od);
del_aubio_peakpicker(o->pp);
del_aubio_pvoc(o->pv);
del_fvec(o->desc);
del_cvec(o->fftgrain);
AUBIO_FREE(o);
}
void aubio_destruct() {
del_aubio_pvoc(pv);
del_fvec(ibuf);
del_cvec(fftgrain);
del_aubio_onsetdetection(o);
del_aubio_peakpicker(parms);
del_fvec(onset);
if (usedoubled) {
del_aubio_onsetdetection(o2);
del_fvec(onset2);
}
}
void del_aubio_tempo (aubio_tempo_t *o)
{
del_aubio_onsetdetection(o->od);
del_aubio_beattracking(o->bt);
del_aubio_peakpicker(o->pp);
del_aubio_pvoc(o->pv);
del_fvec(o->out);
del_fvec(o->of);
del_cvec(o->fftgrain);
del_fvec(o->dfframe);
AUBIO_FREE(o);
return;
}
int main() {
/* allocate some memory */
uint_t win_s = 1024; /* window size */
fvec_t * in = new_fvec (win_s); /* input buffer */
fvec_t * out = new_fvec (1); /* input buffer */
aubio_peakpicker_t * o = new_aubio_peakpicker();
aubio_peakpicker_set_threshold (o, 0.3);
aubio_peakpicker_do(o, in, out);
aubio_peakpicker_do(o, in, out);
aubio_peakpicker_do(o, in, out);
aubio_peakpicker_do(o, in, out);
del_aubio_peakpicker(o);
del_fvec(in);
return 0;
}
/* Allocate memory for an onset detection */
aubio_onset_t * new_aubio_onset (const char_t * onset_mode,
uint_t buf_size, uint_t hop_size, uint_t samplerate)
{
aubio_onset_t * o = AUBIO_NEW(aubio_onset_t);
/* check parameters are valid */
if ((sint_t)hop_size < 1) {
AUBIO_ERR("onset: got hop_size %d, but can not be < 1\n", hop_size);
goto beach;
} else if ((sint_t)buf_size < 2) {
AUBIO_ERR("onset: got buffer_size %d, but can not be < 2\n", buf_size);
goto beach;
} else if (buf_size < hop_size) {
AUBIO_ERR("onset: hop size (%d) is larger than win size (%d)\n", hop_size, buf_size);
goto beach;
} else if ((sint_t)samplerate < 1) {
AUBIO_ERR("onset: samplerate (%d) can not be < 1\n", samplerate);
goto beach;
}
/* store creation parameters */
o->samplerate = samplerate;
o->hop_size = hop_size;
/* allocate memory */
o->pv = new_aubio_pvoc(buf_size, o->hop_size);
o->pp = new_aubio_peakpicker();
o->od = new_aubio_specdesc(onset_mode,buf_size);
if (o->od == NULL) goto beach_specdesc;
o->fftgrain = new_cvec(buf_size);
o->desc = new_fvec(1);
o->spectral_whitening = new_aubio_spectral_whitening(buf_size, hop_size, samplerate);
/* initialize internal variables */
aubio_onset_set_default_parameters (o, onset_mode);
aubio_onset_reset(o);
return o;
beach_specdesc:
del_aubio_peakpicker(o->pp);
del_aubio_pvoc(o->pv);
beach:
AUBIO_FREE(o);
return NULL;
}