int main(int argc, char **argv) {
buffer_size = 2048;
examples_common_init(argc,argv);
verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
verbmsg ("pitch method: %s, ", pitch_method);
verbmsg ("pitch unit: %s, ", pitch_unit);
verbmsg ("buffer_size: %d, ", buffer_size);
verbmsg ("hop_size: %d, ", hop_size);
verbmsg ("tolerance: %f\n", pitch_tolerance);
o = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate);
if (pitch_tolerance != 0.) aubio_pitch_set_tolerance (o, pitch_tolerance);
if (pitch_unit != NULL) aubio_pitch_set_unit (o, pitch_unit);
pitch = new_fvec (1);
wavetable = new_aubio_wavetable (samplerate, hop_size);
aubio_wavetable_play ( wavetable );
examples_common_process((aubio_process_func_t)process_block,process_print);
del_aubio_pitch (o);
del_aubio_wavetable (wavetable);
del_fvec (pitch);
examples_common_del();
return 0;
}
void pitchDetector::setup(char_t * unit, char_t * method) {
samplerate = 44100;
uint_t win_s = 2048; // window size
uint_t hop_s = 512; // hop size
pitch_tolerance = 0;
silence_threshold = -90.;
pitch_unit = unit;
pitch_method = method;
blocks = 0;
o = new_aubio_pitch (pitch_method, win_s, hop_s, samplerate);
if (pitch_tolerance != 0.)
aubio_pitch_set_tolerance (o, pitch_tolerance);
if (silence_threshold != -90.)
aubio_pitch_set_silence (o, silence_threshold);
if (pitch_unit != NULL)
aubio_pitch_set_unit (o, pitch_unit);
pitch = new_fvec (1);
}
aubio_notes_t * new_aubio_notes (const char_t * method,
uint_t buf_size, uint_t hop_size, uint_t samplerate) {
aubio_notes_t *o = AUBIO_NEW(aubio_notes_t);
const char_t * onset_method = "default";
const char_t * pitch_method = "default";
o->onset_buf_size = buf_size;
o->pitch_buf_size = buf_size * 4;
o->hop_size = hop_size;
o->onset_threshold = 0.;
o->pitch_tolerance = 0.;
o->samplerate = samplerate;
o->median = 6;
o->isready = 0;
o->onset = new_aubio_onset (onset_method, o->onset_buf_size, o->hop_size, o->samplerate);
if (o->onset_threshold != 0.) aubio_onset_set_threshold (o->onset, o->onset_threshold);
o->onset_output = new_fvec (1);
o->pitch = new_aubio_pitch (pitch_method, o->pitch_buf_size, o->hop_size, o->samplerate);
if (o->pitch == NULL) goto fail;
if (o->pitch_tolerance != 0.) aubio_pitch_set_tolerance (o->pitch, o->pitch_tolerance);
aubio_pitch_set_unit (o->pitch, "midi");
o->pitch_output = new_fvec (1);
if (strcmp(method, "default") != 0) {
AUBIO_ERR("notes: unknown notes detection method \"%s\"\n", method);
goto fail;
}
o->note_buffer = new_fvec(o->median);
o->note_buffer2 = new_fvec(o->median);
o->curnote = -1.;
o->newnote = 0.;
aubio_notes_set_silence(o, AUBIO_DEFAULT_NOTES_SILENCE);
aubio_notes_set_minioi_ms (o, AUBIO_DEFAULT_NOTES_MINIOI_MS);
return o;
fail:
del_aubio_notes(o);
return NULL;
}
int main(int argc, char **argv) {
// override general settings from utils.c
buffer_size = 1024;
hop_size = 512;
rgb_music_init();
examples_common_init(argc,argv);
verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
verbmsg ("tempo method: %s, ", tempo_method);
verbmsg ("buffer_size: %d, ", buffer_size);
verbmsg ("hop_size: %d, ", hop_size);
verbmsg ("threshold: %f\n", onset_threshold);
tempo_out = new_fvec(2);
tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);
pitch = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate);
if (pitch_tolerance != 0.)
aubio_pitch_set_tolerance (pitch, pitch_tolerance);
if (silence_threshold != -90.)
aubio_pitch_set_silence (pitch, silence_threshold);
if (pitch_unit != NULL)
aubio_pitch_set_unit (pitch, pitch_unit);
pitch_out = new_fvec (1);
wavetable = new_aubio_wavetable (samplerate, hop_size);
aubio_wavetable_set_freq ( wavetable, 2450.);
//aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
examples_common_process((aubio_process_func_t)process_block,process_print);
del_aubio_tempo(tempo);
del_aubio_wavetable (wavetable);
del_fvec(tempo_out);
del_aubio_pitch (pitch);
del_fvec (pitch_out);
examples_common_del();
return 0;
}
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;
}
