C++ (Cpp) new_aubio_pitchyinfft Examples

Example #1

File: test-pitchyinfft.c Project: daphne-yu/aubio

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); /* output pitch periods */
        aubio_pitchyinfft_t * o  = new_aubio_pitchyinfft(win_s);
        aubio_pitchyinfft_set_tolerance (o, 0.2);
        uint_t i = 0;

        while (i < 10) {
          aubio_pitchyinfft_do (o,in,out);
          i++;
        };

        del_aubio_pitchyinfft(o);
        del_fvec(in);
        del_fvec(out);
        aubio_cleanup();

        return 0;
}

Example #2

File: pitch.c Project: XunjunYin/aubio

aubio_pitch_t *
new_aubio_pitch (const char_t * pitch_mode,
    uint_t bufsize, uint_t hopsize, uint_t samplerate)
{
  aubio_pitch_t *p = AUBIO_NEW (aubio_pitch_t);
  aubio_pitch_type pitch_type;
  if (strcmp (pitch_mode, "mcomb") == 0)
    pitch_type = aubio_pitcht_mcomb;
  else if (strcmp (pitch_mode, "yinfft") == 0)
    pitch_type = aubio_pitcht_yinfft;
  else if (strcmp (pitch_mode, "yin") == 0)
    pitch_type = aubio_pitcht_yin;
  else if (strcmp (pitch_mode, "schmitt") == 0)
    pitch_type = aubio_pitcht_schmitt;
  else if (strcmp (pitch_mode, "fcomb") == 0)
    pitch_type = aubio_pitcht_fcomb;
  else if (strcmp (pitch_mode, "specacf") == 0)
    pitch_type = aubio_pitcht_specacf;
  else if (strcmp (pitch_mode, "default") == 0)
    pitch_type = aubio_pitcht_default;
  else {
    AUBIO_ERR ("unknown pitch detection method %s, using default.\n",
        pitch_mode);
    pitch_type = aubio_pitcht_default;
  }

  // check parameters are valid
  if ((sint_t)hopsize < 1) {
    AUBIO_ERR("pitch: got hopsize %d, but can not be < 1\n", hopsize);
    goto beach;
  } else if ((sint_t)bufsize < 1) {
    AUBIO_ERR("pitch: got buffer_size %d, but can not be < 1\n", bufsize);
    goto beach;
  } else if (bufsize < hopsize) {
    AUBIO_ERR("pitch: hop size (%d) is larger than win size (%d)\n", bufsize, hopsize);
    goto beach;
  } else if ((sint_t)samplerate < 1) {
    AUBIO_ERR("pitch: samplerate (%d) can not be < 1\n", samplerate);
    goto beach;
  }

  p->samplerate = samplerate;
  p->type = pitch_type;
  aubio_pitch_set_unit (p, "default");
  p->bufsize = bufsize;
  p->silence = DEFAULT_PITCH_SILENCE;
  p->conf_cb = NULL;
  switch (p->type) {
    case aubio_pitcht_yin:
      p->buf = new_fvec (bufsize);
      p->p_object = new_aubio_pitchyin (bufsize);
      p->detect_cb = aubio_pitch_do_yin;
      p->conf_cb = (aubio_pitch_get_conf_t)aubio_pitchyin_get_confidence;
      aubio_pitchyin_set_tolerance (p->p_object, 0.15);
      break;
    case aubio_pitcht_mcomb:
      p->filtered = new_fvec (hopsize);
      p->pv = new_aubio_pvoc (bufsize, hopsize);
      p->fftgrain = new_cvec (bufsize);
      p->p_object = new_aubio_pitchmcomb (bufsize, hopsize);
      p->filter = new_aubio_filter_c_weighting (samplerate);
      p->detect_cb = aubio_pitch_do_mcomb;
      break;
    case aubio_pitcht_fcomb:
      p->buf = new_fvec (bufsize);
      p->p_object = new_aubio_pitchfcomb (bufsize, hopsize);
      p->detect_cb = aubio_pitch_do_fcomb;
      break;
    case aubio_pitcht_schmitt:
      p->buf = new_fvec (bufsize);
      p->p_object = new_aubio_pitchschmitt (bufsize);
      p->detect_cb = aubio_pitch_do_schmitt;
      break;
    case aubio_pitcht_yinfft:
      p->buf = new_fvec (bufsize);
      p->p_object = new_aubio_pitchyinfft (samplerate, bufsize);
      p->detect_cb = aubio_pitch_do_yinfft;
      p->conf_cb = (aubio_pitch_get_conf_t)aubio_pitchyinfft_get_confidence;
      aubio_pitchyinfft_set_tolerance (p->p_object, 0.85);
      break;
    case aubio_pitcht_specacf:
      p->buf = new_fvec (bufsize);
      p->p_object = new_aubio_pitchspecacf (bufsize);
      p->detect_cb = aubio_pitch_do_specacf;
      p->conf_cb = (aubio_pitch_get_conf_t)aubio_pitchspecacf_get_tolerance;
      aubio_pitchspecacf_set_tolerance (p->p_object, 0.85);
      break;
    default:
      break;
  }
  return p;

beach:
  AUBIO_FREE(p);
  return NULL;
}