1 | /* |
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2 | Copyright (C) 2003 Paul Brossier |
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3 | |
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4 | This program is free software; you can redistribute it and/or modify |
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5 | it under the terms of the GNU General Public License as published by |
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6 | the Free Software Foundation; either version 2 of the License, or |
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7 | (at your option) any later version. |
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8 | |
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9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | GNU General Public License for more details. |
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13 | |
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14 | You should have received a copy of the GNU General Public License |
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15 | along with this program; if not, write to the Free Software |
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16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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17 | */ |
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18 | |
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19 | #include <aubio.h> |
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20 | #include "utils.h" |
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21 | |
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22 | unsigned int pos = 0; /* frames%dspblocksize */ |
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23 | uint_t usepitch = 0; |
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24 | fvec_t * out = NULL; |
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25 | aubio_tempo_t * bt = NULL; |
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26 | uint_t istactus = 0; |
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27 | |
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28 | int aubio_process(float **input, float **output, int nframes); |
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29 | int aubio_process(float **input, float **output, int nframes) { |
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30 | unsigned int i; /*channels*/ |
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31 | unsigned int j; /*frames*/ |
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32 | for (j=0;j<(unsigned)nframes;j++) { |
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33 | if(usejack) { |
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34 | for (i=0;i<channels;i++) { |
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35 | /* write input to datanew */ |
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36 | fvec_write_sample(ibuf, input[i][j], i, pos); |
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37 | /* put synthnew in output */ |
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38 | output[i][j] = fvec_read_sample(obuf, i, pos); |
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39 | } |
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40 | } |
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41 | /*time for fft*/ |
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42 | if (pos == overlap_size-1) { |
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43 | /* block loop */ |
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44 | aubio_tempo(bt,ibuf,out); |
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45 | if (out->data[0][0]==1) |
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46 | istactus = 1; |
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47 | else |
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48 | istactus = 0; |
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49 | if (istactus) { |
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50 | for (pos = 0; pos < overlap_size; pos++) |
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51 | obuf->data[0][pos] = woodblock->data[0][pos]; |
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52 | } else { |
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53 | for (pos = 0; pos < overlap_size; pos++) |
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54 | obuf->data[0][pos] = 0.; |
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55 | } |
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56 | /* end of block loop */ |
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57 | pos = -1; /* so it will be zero next j loop */ |
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58 | } |
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59 | pos++; |
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60 | } |
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61 | return 1; |
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62 | } |
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63 | |
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64 | void process_print (void); |
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65 | void process_print (void) { |
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66 | if (output_filename == NULL) { |
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67 | if (istactus) |
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68 | outmsg("%f\n",(frames)*overlap_size/(float)samplerate); |
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69 | if (isonset && verbose) |
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70 | outmsg(" \t \t%f\n",(frames)*overlap_size/(float)samplerate); |
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71 | } |
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72 | } |
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73 | |
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74 | int main(int argc, char **argv) { |
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75 | |
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76 | buffer_size = 1024; |
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77 | overlap_size = 512; |
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78 | /* override default settings */ |
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79 | examples_common_init(argc,argv); |
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80 | |
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81 | out = new_fvec(2,channels); |
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82 | bt = new_aubio_tempo(type_onset,buffer_size,overlap_size,channels); |
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83 | |
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84 | examples_common_process(aubio_process,process_print); |
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85 | |
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86 | del_aubio_tempo(bt); |
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87 | del_fvec(out); |
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88 | |
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89 | examples_common_del(); |
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90 | |
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91 | debug("End of program.\n"); |
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92 | |
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93 | fflush(stderr); |
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94 | |
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95 | return 0; |
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96 | } |
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97 | |
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