shithub: aubio

ref: 1b7f3692323a1b5356d9a8977e7efb0fc96ed3a1
dir: /examples/aubionotes.c/

/*
  Copyright (C) 2003-2013 Paul Brossier <[email protected]>

  This file is part of aubio.

  aubio is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  aubio is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with aubio.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "utils.h"
#define PROG_HAS_PITCH 1
#define PROG_HAS_ONSET 1
#define PROG_HAS_JACK 1
// TODO add PROG_HAS_OUTPUT
#include "parse_args.h"

aubio_notes_t *notes;
uint_t lastnote = 0;

void process_block (fvec_t *ibuf, fvec_t *obuf)
{
  aubio_notes_do (notes, ibuf, obuf);
  // did we get a note off?
  if (obuf->data[2] != 0) {
    send_noteon(obuf->data[2], 0);
  }
  // did we get a note on?
  if (obuf->data[0] != 0) {
    send_noteon(obuf->data[0], obuf->data[1]);
    lastnote = (uint_t) floor(obuf->data[0]);
  }
}

void process_print (void)
{
  //if (verbose) outmsg("%f\n",pitch_obuf->data[0]);
}

int main(int argc, char **argv) {
  examples_common_init(argc,argv);

  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);

  verbmsg ("onset method: %s, ", onset_method);
  verbmsg ("buffer_size: %d, ", buffer_size);
  verbmsg ("hop_size: %d, ", hop_size);
  verbmsg ("threshold: %f\n", onset_threshold);

  verbmsg ("pitch method: %s, ", pitch_method);
  verbmsg ("buffer_size: %d, ", buffer_size * 4);
  verbmsg ("hop_size: %d, ", hop_size);
  verbmsg ("tolerance: %f\n", pitch_tolerance);

  notes = new_aubio_notes ("default", buffer_size, hop_size, samplerate);

  examples_common_process((aubio_process_func_t)process_block, process_print);

  // send a last note off
  send_noteon (lastnote, 0);

  del_aubio_notes (notes);

  examples_common_del();
  return 0;
}