Changeset 6938a20 for tests/src/spectral/test-fft.c

Timestamp:

Mar 3, 2013, 7:37:43 PM (12 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

9547247

Parents:

26775a3

Message:

tests/src/spectral/: improve examples

File:

• tests/src/spectral/test-fft.c (modified) (1 diff)

tests/src/spectral/test-fft.c

@@ -1 @@
-
 #include <aubio.h>
 
-int main(){
-        /* allocate some memory */
-        uint_t win_s      = 8;                       /* window size        */
-        fvec_t * in       = new_fvec (win_s); /* input buffer       */
-        cvec_t * fftgrain = new_cvec (win_s); /* fft norm and phase */
-        fvec_t * out      = new_fvec (win_s); /* output buffer      */
-        in->data[0] = 1;
-        in->data[1] = 2;
-        in->data[2] = 3;
-        in->data[3] = 4;
-        in->data[4] = 5;
-        in->data[5] = 6;
-        in->data[6] = 5;
-        in->data[7] = 6;
-        /* allocate fft and other memory space */
-        aubio_fft_t * fft = new_aubio_fft(win_s);
-        /* fill input with some data */
-        fvec_print(in);
-        /* execute stft */
-        aubio_fft_do (fft,in,fftgrain);
-        cvec_print(fftgrain);
-        /* execute inverse fourier transform */
-        aubio_fft_rdo(fft,fftgrain,out);
-        fvec_print(out);
-        del_aubio_fft(fft);
-        del_fvec(in);
-        del_cvec(fftgrain);
-        del_fvec(out);
-        aubio_cleanup();
-        return 0;
+int main ()
+{
+  uint_t win_s = 8; // window size
+  fvec_t * in = new_fvec (win_s); // input buffer
+  cvec_t * fftgrain = new_cvec (win_s); // fft norm and phase
+  fvec_t * out = new_fvec (win_s); // output buffer
+  // create fft object
+  aubio_fft_t * fft = new_aubio_fft(win_s);
+
+  // fill input with some data
+  in->data[0] = 1;
+  in->data[1] = 2;
+  in->data[2] = 3;
+  in->data[3] = 4;
+  in->data[4] = 5;
+  in->data[5] = 6;
+  in->data[6] = 5;
+  in->data[7] = 6;
+  fvec_print(in);
+
+  // execute stft
+  aubio_fft_do (fft,in,fftgrain);
+  cvec_print(fftgrain);
+
+  // execute inverse fourier transform
+  aubio_fft_rdo(fft,fftgrain,out);
+
+  // cleam up
+  fvec_print(out);
+  del_aubio_fft(fft);
+  del_fvec(in);
+  del_cvec(fftgrain);
+  del_fvec(out);
+  aubio_cleanup();
+  return 0;
 }