ref: 3156153b442092e53fbb104b348f91472714ec63
dir: /examples/aubionotes.c/
/* Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org> 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_SILENCE 1 #define PROG_HAS_JACK 1 // TODO add PROG_HAS_OUTPUT #include "parse_args.h" aubio_notes_t *notes; smpl_t lastmidi = 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) { lastmidi = obuf->data[2]; send_noteon(lastmidi, 0); } // did we get a note on? if (obuf->data[0] != 0) { lastmidi = obuf->data[0]; send_noteon(lastmidi, obuf->data[1]); } } void process_print (void) { //if (verbose) outmsg("%f\n",pitch_obuf->data[0]); } int main(int argc, char **argv) { int ret = 0; 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); if (notes == NULL) { ret = 1; goto beach; } if (onset_minioi != 0.) { aubio_notes_set_minioi_ms(notes, onset_minioi); } if (onset_threshold != 0.) { errmsg ("warning: onset threshold not supported yet\n"); //aubio_onset_set_threshold(aubio_notes_get_aubio_onset(o), onset_threshold); } if (silence_threshold != -90.) { if (aubio_notes_set_silence (notes, silence_threshold) != 0) { errmsg ("failed setting notes silence threshold to %.2f\n", silence_threshold); } } examples_common_process((aubio_process_func_t)process_block, process_print); // send a last note off if required if (lastmidi) { send_noteon (lastmidi, 0); } del_aubio_notes (notes); beach: examples_common_del(); return ret; }