1 | /* |
---|
2 | Copyright (C) 2003 Paul Brossier |
---|
3 | |
---|
4 | This program is free software; you can redistribute it and/or modify |
---|
5 | it under the terms of the GNU General Public License as published by |
---|
6 | the Free Software Foundation; either version 2 of the License, or |
---|
7 | (at your option) any later version. |
---|
8 | |
---|
9 | This program is distributed in the hope that it will be useful, |
---|
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
12 | GNU General Public License for more details. |
---|
13 | |
---|
14 | You should have received a copy of the GNU General Public License |
---|
15 | along with this program; if not, write to the Free Software |
---|
16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
17 | */ |
---|
18 | |
---|
19 | #include "utils.h" |
---|
20 | |
---|
21 | unsigned int pos = 0; /*frames%dspblocksize*/ |
---|
22 | uint_t usepitch = 0; |
---|
23 | |
---|
24 | int aubio_process(float **input, float **output, int nframes); |
---|
25 | int aubio_process(float **input, float **output, int nframes) { |
---|
26 | unsigned int i; /*channels*/ |
---|
27 | unsigned int j; /*frames*/ |
---|
28 | for (j=0;j<(unsigned)nframes;j++) { |
---|
29 | if(usejack) { |
---|
30 | for (i=0;i<channels;i++) { |
---|
31 | /* write input to datanew */ |
---|
32 | fvec_write_sample(ibuf, input[i][j], i, pos); |
---|
33 | /* put synthnew in output */ |
---|
34 | output[i][j] = fvec_read_sample(obuf, i, pos); |
---|
35 | } |
---|
36 | } |
---|
37 | /*time for fft*/ |
---|
38 | if (pos == overlap_size-1) { |
---|
39 | /* block loop */ |
---|
40 | aubio_pvoc_do (pv,ibuf, fftgrain); |
---|
41 | aubio_onsetdetection(o,fftgrain, onset); |
---|
42 | if (usedoubled) { |
---|
43 | aubio_onsetdetection(o2,fftgrain, onset2); |
---|
44 | onset->data[0][0] *= onset2->data[0][0]; |
---|
45 | } |
---|
46 | isonset = aubio_peakpick_pimrt(onset,parms); |
---|
47 | if (isonset) { |
---|
48 | /* test for silence */ |
---|
49 | if (aubio_silence_detection(ibuf, silence)==1) |
---|
50 | isonset=0; |
---|
51 | else |
---|
52 | for (pos = 0; pos < overlap_size; pos++){ |
---|
53 | obuf->data[0][pos] = woodblock->data[0][pos]; |
---|
54 | } |
---|
55 | } else { |
---|
56 | for (pos = 0; pos < overlap_size; pos++) |
---|
57 | obuf->data[0][pos] = 0.; |
---|
58 | } |
---|
59 | /* end of block loop */ |
---|
60 | pos = -1; /* so it will be zero next j loop */ |
---|
61 | } |
---|
62 | pos++; |
---|
63 | } |
---|
64 | return 1; |
---|
65 | } |
---|
66 | |
---|
67 | void process_print (void); |
---|
68 | void process_print (void) { |
---|
69 | /* output times in seconds, taking back some |
---|
70 | * delay to ensure the label is _before_ the |
---|
71 | * actual onset */ |
---|
72 | if (isonset && output_filename == NULL) { |
---|
73 | if(frames >= 4) { |
---|
74 | outmsg("%f\n",(frames-4)*overlap_size/(float)samplerate); |
---|
75 | } else if (frames < 4) { |
---|
76 | outmsg("%f\n",0.); |
---|
77 | } |
---|
78 | } |
---|
79 | } |
---|
80 | |
---|
81 | int main(int argc, char **argv) { |
---|
82 | examples_common_init(argc,argv); |
---|
83 | examples_common_process(aubio_process,process_print); |
---|
84 | examples_common_del(); |
---|
85 | debug("End of program.\n"); |
---|
86 | fflush(stderr); |
---|
87 | return 0; |
---|
88 | } |
---|
89 | |
---|