source: tests/src/test-tss.c @ 5f9df77

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 5f9df77 was aea235c, checked in by Paul Brossier <piem@piem.org>, 11 years ago

tests/src: switch to mono

  • Property mode set to 100644
File size: 1.7 KB
Line 
1/* test sample for phase vocoder
2 *
3 * this program should start correctly using JACK_START_SERVER=true and
4 * reconstruct each audio input frame perfectly on the corresponding input with
5 * a delay equal to the window size, hop_s.
6 */
7
8#include <stdio.h>
9#define AUBIO_UNSTABLE 1
10#include <aubio.h>
11
12int main(){
13        int i;
14        uint_t win_s    = 1024; /* window size                       */
15        uint_t hop_s    = 256;  /* hop size                          */
16        /* allocate some memory */
17        fvec_t * in       = new_fvec (hop_s); /* input buffer       */
18        cvec_t * fftgrain = new_cvec (win_s); /* fft norm and phase */
19        cvec_t * cstead   = new_cvec (win_s); /* fft norm and phase */
20        cvec_t * ctrans   = new_cvec (win_s); /* fft norm and phase */
21        fvec_t * stead    = new_fvec (hop_s); /* output buffer      */
22        fvec_t * trans    = new_fvec (hop_s); /* output buffer      */
23        /* allocate fft and other memory space */
24        aubio_pvoc_t * pv = new_aubio_pvoc (win_s,hop_s);
25        aubio_pvoc_t * pvt = new_aubio_pvoc(win_s,hop_s);
26        aubio_pvoc_t * pvs = new_aubio_pvoc(win_s,hop_s);
27
28        aubio_tss_t *  tss = new_aubio_tss(win_s,hop_s);
29        /* fill input with some data */
30        printf("initialised\n");
31        /* execute stft */
32        for (i = 0; i < 10; i++) {
33                aubio_pvoc_do (pv,in,fftgrain);
34                aubio_tss_do  (tss,fftgrain,ctrans,cstead);
35                aubio_pvoc_rdo(pvt,cstead,stead);
36                aubio_pvoc_rdo(pvs,ctrans,trans);
37        }
38        del_aubio_pvoc(pv);
39        del_fvec(in);
40        del_cvec(fftgrain);
41        del_cvec(cstead);
42        del_cvec(ctrans);
43        del_fvec(stead);
44        del_fvec(trans);
45        aubio_cleanup();
46        printf("memory freed\n");
47        return 0;
48}
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