1 | /* |
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2 | Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org> |
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3 | |
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4 | This file is part of aubio. |
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5 | |
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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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18 | |
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19 | */ |
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20 | |
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21 | #include "utils.h" |
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22 | #define PROG_HAS_PITCH 1 |
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23 | #define PROG_HAS_OUTPUT 1 |
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24 | #define PROG_HAS_JACK 1 |
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25 | #include "parse_args.h" |
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26 | |
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27 | aubio_pitch_t *o; |
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28 | aubio_wavetable_t *wavetable; |
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29 | fvec_t *pitch; |
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30 | |
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31 | void |
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32 | process_block(fvec_t * ibuf, fvec_t * obuf) { |
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33 | fvec_zeros(obuf); |
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34 | aubio_pitch_do (o, ibuf, pitch); |
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35 | smpl_t freq = fvec_read_sample(pitch, 0); |
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36 | aubio_wavetable_set_amp ( wavetable, aubio_level_lin (ibuf) ); |
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37 | aubio_wavetable_set_freq ( wavetable, freq ); |
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38 | |
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39 | if (mix_input) |
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40 | aubio_wavetable_do (wavetable, ibuf, obuf); |
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41 | else |
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42 | aubio_wavetable_do (wavetable, obuf, obuf); |
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43 | } |
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44 | |
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45 | void |
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46 | process_print (void) { |
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47 | smpl_t pitch_found = fvec_read_sample(pitch, 0); |
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48 | outmsg("%f %f\n",(blocks) |
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49 | *hop_size/(float)samplerate, pitch_found); |
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50 | } |
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51 | |
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52 | int main(int argc, char **argv) { |
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53 | examples_common_init(argc,argv); |
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54 | |
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55 | verbmsg ("using source: %s at %dHz\n", source_uri, samplerate); |
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56 | verbmsg ("pitch method: %s, ", pitch_method); |
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57 | verbmsg ("pitch unit: %s, ", pitch_unit); |
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58 | verbmsg ("buffer_size: %d, ", buffer_size); |
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59 | verbmsg ("hop_size: %d, ", hop_size); |
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60 | verbmsg ("tolerance: %f\n", pitch_tolerance); |
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61 | |
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62 | o = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate); |
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63 | if (pitch_tolerance != 0.) aubio_pitch_set_tolerance (o, pitch_tolerance); |
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64 | if (pitch_unit != NULL) aubio_pitch_set_unit (o, pitch_unit); |
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65 | pitch = new_fvec (1); |
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66 | |
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67 | wavetable = new_aubio_wavetable (samplerate, hop_size); |
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68 | aubio_wavetable_play ( wavetable ); |
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69 | |
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70 | examples_common_process((aubio_process_func_t)process_block,process_print); |
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71 | |
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72 | del_aubio_pitch (o); |
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73 | del_aubio_wavetable (wavetable); |
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74 | del_fvec (pitch); |
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75 | |
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76 | examples_common_del(); |
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77 | return 0; |
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78 | } |
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79 | |
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