[f41f5c4] | 1 | /* |
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[6a2478c] | 2 | Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org> |
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[f41f5c4] | 3 | |
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[6a2478c] | 4 | This file is part of aubio. |
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[f41f5c4] | 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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[f41f5c4] | 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 | #include "parse_args.h" |
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[f41f5c4] | 23 | |
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| 24 | unsigned int pos = 0; /*frames%dspblocksize*/ |
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| 25 | sint_t wassilence = 1, issilence; |
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| 26 | |
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[c423c3d] | 27 | int aubio_process(smpl_t **input, smpl_t **output, int nframes); |
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| 28 | int aubio_process(smpl_t **input, smpl_t **output, int nframes) { |
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[f41f5c4] | 29 | unsigned int j; /*frames*/ |
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[af35ed0] | 30 | for (j=0;j<(unsigned)nframes;j++) { |
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[f41f5c4] | 31 | if(usejack) { |
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[4621cd6] | 32 | /* write input to datanew */ |
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| 33 | fvec_write_sample(ibuf, input[0][j], pos); |
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| 34 | /* put synthnew in output */ |
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| 35 | output[0][j] = fvec_read_sample(obuf, pos); |
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[f41f5c4] | 36 | } |
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| 37 | /*time for fft*/ |
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| 38 | if (pos == overlap_size-1) { |
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| 39 | /* test for silence */ |
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[660cad22] | 40 | if (aubio_silence_detection(ibuf, silence)==1) { |
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[4621cd6] | 41 | if (wassilence==1) issilence = 1; |
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| 42 | else issilence = 2; |
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[f41f5c4] | 43 | wassilence=1; |
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| 44 | } else { |
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[4621cd6] | 45 | if (wassilence<=0) issilence = 0; |
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| 46 | else issilence = -1; |
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[f41f5c4] | 47 | wassilence=0; |
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| 48 | } |
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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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[d4c5de7] | 57 | static void process_print (void) { |
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[f41f5c4] | 58 | int curframes = (frames - 4) > 0 ? frames -4 : 0; |
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| 59 | if (issilence == -1) { |
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| 60 | outmsg("NOISY: %f\n",curframes*overlap_size/(float)samplerate); |
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| 61 | } else if (issilence == 2) { |
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| 62 | outmsg("QUIET: %f\n",curframes*overlap_size/(float)samplerate); |
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| 63 | } |
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| 64 | } |
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| 65 | |
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| 66 | int main(int argc, char **argv) { |
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| 67 | examples_common_init(argc,argv); |
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| 68 | examples_common_process(aubio_process,process_print); |
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| 69 | examples_common_del(); |
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| 70 | debug("End of program.\n"); |
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| 71 | fflush(stderr); |
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| 72 | return 0; |
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| 73 | } |
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| 74 | |
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