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