source: examples/aubiotrack.c @ 1b7f369

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 1b7f369 was fa7c03a, checked in by topas-rec <topas-rec@web.de>, 8 years ago

Fixed #62 midi output missing in aubiotrack.

  • Property mode set to 100644
File size: 3.2 KB
RevLine 
[b78805a]1/*
[466dff3]2  Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
[b78805a]3
[6a2478c]4  This file is part of aubio.
[b78805a]5
[6a2478c]6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10
11  aubio is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
[b78805a]18
19*/
20
21#include "utils.h"
[1b25a70]22#define PROG_HAS_TEMPO 1
[a35db12]23#define PROG_HAS_ONSET 1
[3da8187]24#define PROG_HAS_OUTPUT 1
25#define PROG_HAS_JACK 1
[1b25a70]26#include "parse_args.h"
[b78805a]27
[466dff3]28aubio_tempo_t * tempo;
[f3617e7]29aubio_wavetable_t *wavetable;
[466dff3]30fvec_t * tempo_out;
[ce6186a]31smpl_t is_beat = 0;
32uint_t is_silence = 0.;
[d4c5de7]33
[466dff3]34void process_block(fvec_t * ibuf, fvec_t *obuf) {
35  aubio_tempo_do (tempo, ibuf, tempo_out);
[c34336e]36  is_beat = fvec_get_sample (tempo_out, 0);
[ce6186a]37  if (silence_threshold != -90.)
38    is_silence = aubio_silence_detection(ibuf, silence_threshold);
[fc7043a]39  if ( !usejack && ! sink_uri ) return;
[466dff3]40  fvec_zeros (obuf);
[ce6186a]41  if ( is_beat && !is_silence ) {
[466dff3]42    aubio_wavetable_play ( wavetable );
[fa7c03a]43    /* Send tap over midi output */
44    /* Is called without jack use so ask for jack use */
45    if (usejack)
46    {
47       /* Note on midi clock: Midi clock looks like it is more suitable here,
48       * but it is send 24 times between the detected bpm which is impossible
49       * to do since we get here only once per peat.
50       * Therefore midinote is used as a good workaround.
51       * Reference:
52       * http://www.blitter.com/~russtopia/MIDI/~jglatt/tech/midispec/clock.htm */
53      send_noteon(0, 0);
54    }
[466dff3]55  } else {
56    aubio_wavetable_stop ( wavetable );
[b78805a]57  }
[3da8187]58  if (mix_input)
59    aubio_wavetable_do (wavetable, ibuf, obuf);
60  else
61    aubio_wavetable_do (wavetable, obuf, obuf);
[b78805a]62}
63
[466dff3]64void process_print (void) {
[ce6186a]65  if ( is_beat && !is_silence ) {
[340cb93]66    print_time (aubio_tempo_get_last (tempo));
67    outmsg ("\n");
[f3617e7]68  }
[b78805a]69}
70
71int main(int argc, char **argv) {
[466dff3]72  // override general settings from utils.c
[b5aa063]73  buffer_size = 1024;
[466dff3]74  hop_size = 512;
75
[b78805a]76  examples_common_init(argc,argv);
77
[466dff3]78  verbmsg ("using source: %s at %dHz\n", source_uri, samplerate);
79
80  verbmsg ("tempo method: %s, ", tempo_method);
81  verbmsg ("buffer_size: %d, ", buffer_size);
82  verbmsg ("hop_size: %d, ", hop_size);
83  verbmsg ("threshold: %f\n", onset_threshold);
84
[4621cd6]85  tempo_out = new_fvec(2);
[466dff3]86  tempo = new_aubio_tempo(tempo_method, buffer_size, hop_size, samplerate);
[ce6f652]87  // set silence threshold very low to output beats even during silence
88  // aubio_tempo_set_silence(tempo, -1000.);
[466dff3]89  if (onset_threshold != 0.) aubio_tempo_set_threshold (tempo, onset_threshold);
[b78805a]90
[466dff3]91  wavetable = new_aubio_wavetable (samplerate, hop_size);
[f3617e7]92  aubio_wavetable_set_freq ( wavetable, 2450.);
93  //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
94
[466dff3]95  examples_common_process((aubio_process_func_t)process_block,process_print);
[b78805a]96
[466dff3]97  del_aubio_tempo(tempo);
[f3617e7]98  del_aubio_wavetable (wavetable);
[d4c5de7]99  del_fvec(tempo_out);
[fc5bc72]100
[b78805a]101  examples_common_del();
102  return 0;
103}
104
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