source:
tests/src/spectral/test-fft.c
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63fc1df
Last change on this file since 63fc1df was 8076ecd, checked in by , 8 years ago | |
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1 | #include <aubio.h> |
2 | |
3 | int main (void) |
4 | { |
5 | int return_code = 0; |
6 | uint_t i, n_iters = 100; // number of iterations |
7 | uint_t win_s = 512; // window size |
8 | fvec_t * in = new_fvec (win_s); // input buffer |
9 | cvec_t * fftgrain = new_cvec (win_s); // fft norm and phase |
10 | fvec_t * out = new_fvec (win_s); // output buffer |
11 | // create fft object |
12 | aubio_fft_t * fft = new_aubio_fft(win_s); |
13 | |
14 | if (!fft) { |
15 | return_code = 1; |
16 | goto beach; |
17 | } |
18 | |
19 | // fill input with some data |
20 | in->data[0] = 1; |
21 | in->data[1] = 2; |
22 | in->data[2] = 3; |
23 | in->data[3] = 4; |
24 | in->data[4] = 5; |
25 | in->data[5] = 6; |
26 | in->data[6] = 5; |
27 | in->data[7] = 6; |
28 | //fvec_print(in); |
29 | |
30 | for (i = 0; i < n_iters; i++) { |
31 | // execute stft |
32 | aubio_fft_do (fft,in,fftgrain); |
33 | cvec_print(fftgrain); |
34 | |
35 | // execute inverse fourier transform |
36 | aubio_fft_rdo(fft,fftgrain,out); |
37 | } |
38 | |
39 | // cleam up |
40 | //fvec_print(out); |
41 | del_aubio_fft(fft); |
42 | beach: |
43 | del_fvec(in); |
44 | del_cvec(fftgrain); |
45 | del_fvec(out); |
46 | aubio_cleanup(); |
47 | return return_code; |
48 | } |
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