Changes in tests/src/spectral/test-tss.c [6938a20:9d6001cb]

File:

• tests/src/spectral/test-tss.c (modified) (2 diffs)

tests/src/spectral/test-tss.c

@@ +1 @@
+/* test sample for phase vocoder 
+ *
+ * this program should start correctly using JACK_START_SERVER=true and
+ * reconstruct each audio input frame perfectly on the corresponding input with
+ * a delay equal to the window size, hop_s.
+ */
+
+#include <stdio.h>
+#define AUBIO_UNSTABLE 1
 #include <aubio.h>
 
-int main ()
-{
-  uint_t n = 10; // compute n times
-  uint_t win_s = 1024; // window size
-  uint_t hop_s = 256;  // hop size
+int main(){
+  int i;
+  uint_t win_s    = 1024; /* window size                       */
+  uint_t hop_s    = 256;  /* hop size                          */
 
-  // create some vectors
-  fvec_t * in       = new_fvec (hop_s); // input buffer
-  cvec_t * fftgrain = new_cvec (win_s); // fft norm and phase
-  cvec_t * cstead   = new_cvec (win_s); // fft norm and phase
-  cvec_t * ctrans   = new_cvec (win_s); // fft norm and phase
-  fvec_t * stead    = new_fvec (hop_s); // output buffer
-  fvec_t * trans    = new_fvec (hop_s); // output buffer
-
-  // create phase vocoder for analysis of input signal 
+  /* allocate some memory */
+  fvec_t * in       = new_fvec (hop_s); /* input buffer       */
+  cvec_t * fftgrain = new_cvec (win_s); /* fft norm and phase */
+  cvec_t * cstead   = new_cvec (win_s); /* fft norm and phase */
+  cvec_t * ctrans   = new_cvec (win_s); /* fft norm and phase */
+  fvec_t * stead    = new_fvec (hop_s); /* output buffer      */
+  fvec_t * trans    = new_fvec (hop_s); /* output buffer      */
+  /* allocate phase vocoders and transient steady-state separation */
   aubio_pvoc_t * pv = new_aubio_pvoc (win_s,hop_s);
-  // create transient/steady-state separation object
-  aubio_tss_t *  tss = new_aubio_tss(win_s,hop_s);
-  // create phase vocoder objects for synthesis of output signals
   aubio_pvoc_t * pvt = new_aubio_pvoc(win_s,hop_s);
   aubio_pvoc_t * pvs = new_aubio_pvoc(win_s,hop_s);
+  aubio_tss_t *  tss = new_aubio_tss(win_s,hop_s);
+
+  /* fill input with some data */
+  printf("initialised\n");
 
   /* execute stft */
-  while ( n-- ) {
-    // fftgrain = pv(in)
-    aubio_pvoc_do (pv, in, fftgrain);
-    // ctrans, cstead = tss (fftgrain)
-    aubio_tss_do (tss, fftgrain, ctrans, cstead);
-    // stead = pvt_inverse (cstead)
-    // trans = pvt_inverse (ctrans)
-    aubio_pvoc_rdo (pvt, cstead, stead);
-    aubio_pvoc_rdo (pvs, ctrans, trans);
+  for (i = 0; i < 10; i++) {
+    aubio_pvoc_do (pv,in,fftgrain);
+    aubio_tss_do  (tss,fftgrain,ctrans,cstead);
+    aubio_pvoc_rdo(pvt,cstead,stead);
+    aubio_pvoc_rdo(pvs,ctrans,trans);
   }
 
@@ -46 +50 @@
   del_fvec(stead);
   del_fvec(trans);
-
   aubio_cleanup();
-
+  printf("memory freed\n");
   return 0;
 }