1 | /* |
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2 | Copyright (C) 2003-2009 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 | |
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23 | uint_t pos = 0; /*frames%dspblocksize*/ |
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24 | |
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25 | aubio_onset_t *o; |
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26 | aubio_wavetable_t *wavetable; |
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27 | fvec_t *onset; |
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28 | |
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29 | static int aubio_process(smpl_t **input, smpl_t **output, int nframes) { |
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30 | unsigned int j; /*frames*/ |
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31 | for (j=0;j<(unsigned)nframes;j++) { |
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32 | if(usejack) { |
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33 | /* write input to datanew */ |
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34 | fvec_write_sample(ibuf, input[0][j], pos); |
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35 | /* put synthnew in output */ |
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36 | output[0][j] = fvec_read_sample(obuf, pos); |
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37 | } |
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38 | /*time for fft*/ |
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39 | if (pos == overlap_size-1) { |
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40 | /* block loop */ |
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41 | fvec_zeros(obuf); |
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42 | aubio_onset_do (o, ibuf, onset); |
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43 | if ( fvec_read_sample(onset, 0) ) { |
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44 | aubio_wavetable_play ( wavetable ); |
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45 | } else { |
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46 | aubio_wavetable_stop ( wavetable ); |
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47 | } |
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48 | aubio_wavetable_do (wavetable, ibuf, obuf); |
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49 | /* end of block loop */ |
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50 | pos = -1; /* so it will be zero next j loop */ |
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51 | } |
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52 | pos++; |
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53 | } |
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54 | return 1; |
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55 | } |
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56 | |
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57 | static void |
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58 | process_print (void) |
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59 | { |
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60 | /* output times in seconds, taking back some delay to ensure the label is |
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61 | * _before_ the actual onset */ |
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62 | if (!verbose && usejack) |
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63 | return; |
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64 | smpl_t onset_found = fvec_read_sample (onset, 0); |
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65 | if (onset_found) { |
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66 | outmsg ("%f\n", aubio_onset_get_last_s (o) ); |
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67 | } |
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68 | } |
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69 | |
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70 | int main(int argc, char **argv) { |
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71 | frames_delay = 3; |
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72 | examples_common_init(argc,argv); |
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73 | |
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74 | o = new_aubio_onset (onset_mode, buffer_size, overlap_size, samplerate); |
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75 | if (threshold != 0.) aubio_onset_set_threshold (o, threshold); |
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76 | onset = new_fvec (1); |
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77 | |
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78 | wavetable = new_aubio_wavetable (samplerate, overlap_size); |
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79 | aubio_wavetable_set_freq ( wavetable, 2450.); |
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80 | //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff"); |
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81 | |
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82 | examples_common_process(aubio_process,process_print); |
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83 | |
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84 | del_aubio_onset (o); |
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85 | del_aubio_wavetable (wavetable); |
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86 | del_fvec (onset); |
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87 | |
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88 | examples_common_del(); |
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89 | debug("End of program.\n"); |
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90 | fflush(stderr); |
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91 | return 0; |
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92 | } |
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93 | |
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