[4da806c] | 1 | /* |
---|
| 2 | Copyright (C) 2014 Paul Brossier <piem@aubio.org> |
---|
| 3 | |
---|
| 4 | This file is part of aubio. |
---|
| 5 | |
---|
| 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/>. |
---|
| 18 | |
---|
| 19 | */ |
---|
| 20 | |
---|
| 21 | #include "aubio_priv.h" |
---|
| 22 | #include "fvec.h" |
---|
| 23 | #include "pitch/pitch.h" |
---|
| 24 | #include "onset/onset.h" |
---|
| 25 | #include "notes/notes.h" |
---|
| 26 | |
---|
| 27 | struct _aubio_notes_t { |
---|
| 28 | |
---|
| 29 | uint_t onset_buf_size; |
---|
| 30 | uint_t pitch_buf_size; |
---|
| 31 | uint_t hop_size; |
---|
| 32 | |
---|
| 33 | uint_t samplerate; |
---|
| 34 | |
---|
| 35 | uint_t median; |
---|
| 36 | fvec_t *note_buffer; |
---|
| 37 | fvec_t *note_buffer2; |
---|
| 38 | |
---|
| 39 | aubio_pitch_t *pitch; |
---|
| 40 | aubio_onset_t *onset; |
---|
| 41 | fvec_t *onset_output; |
---|
| 42 | fvec_t *pitch_output; |
---|
| 43 | |
---|
| 44 | smpl_t curnote; |
---|
| 45 | smpl_t newnote; |
---|
| 46 | }; |
---|
| 47 | |
---|
| 48 | aubio_notes_t * new_aubio_notes (char_t * notes_method, |
---|
| 49 | uint_t buf_size, uint_t hop_size, uint_t samplerate) { |
---|
| 50 | aubio_notes_t *o = AUBIO_NEW(aubio_notes_t); |
---|
| 51 | |
---|
| 52 | o->onset_buf_size = buf_size; |
---|
| 53 | o->pitch_buf_size = buf_size * 4; |
---|
| 54 | o->hop_size = hop_size; |
---|
| 55 | |
---|
| 56 | o->samplerate = samplerate; |
---|
| 57 | |
---|
| 58 | o->median = 9; |
---|
| 59 | |
---|
| 60 | if (strcmp(notes_method, "default") != 0) { |
---|
| 61 | AUBIO_ERR("unknown notes detection method %s, using default.\n", |
---|
| 62 | notes_method); |
---|
| 63 | goto fail; |
---|
| 64 | } |
---|
| 65 | o->note_buffer = new_fvec(o->median); |
---|
| 66 | o->note_buffer2 = new_fvec(o->median); |
---|
| 67 | |
---|
| 68 | o->curnote = -1.; |
---|
| 69 | o->newnote = -1.; |
---|
| 70 | |
---|
| 71 | return o; |
---|
| 72 | |
---|
| 73 | fail: |
---|
| 74 | del_aubio_notes(o); |
---|
| 75 | return NULL; |
---|
| 76 | } |
---|
| 77 | |
---|
| 78 | void del_aubio_notes (aubio_notes_t *o) { |
---|
| 79 | if (o->note_buffer) del_fvec(o->note_buffer); |
---|
| 80 | if (o->note_buffer2) del_fvec(o->note_buffer2); |
---|
| 81 | AUBIO_FREE(o); |
---|
| 82 | } |
---|