Changeset c71aa44 for tests/src/pitch/test-pitch.c

Timestamp:

Mar 3, 2013, 5:47:05 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:

248da64

Parents:

e230bb4

Message:

tests/src/pitch/: improve examples

File:

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

tests/src/pitch/test-pitch.c

@@ -1 +1 @@
 #include <aubio.h>
 
-int
-main ()
+int main ()
 {
-  /* allocate some memory */
-  uint_t win_s = 1024;          /* window size */
-  uint_t hop_s = win_s / 4;     /* hop size */
-  uint_t samplerate = 44100;    /* samplerate */
-  fvec_t *in = new_fvec (hop_s);      /* input buffer */
-  fvec_t *out = new_fvec (1); /* input buffer */
-  aubio_pitch_t *o =
-      new_aubio_pitch ("default", win_s, hop_s, samplerate);
-  uint_t i = 0;
+  // 1. allocate some memory
+  uint_t n = 0; // frame counter
+  uint_t win_s = 1024; // window size
+  uint_t hop_s = win_s / 4; // hop size
+  uint_t samplerate = 44100; // samplerate
+  // create some vectors
+  fvec_t *input = new_fvec (hop_s); // input buffer
+  fvec_t *out = new_fvec (1); // output candidates
+  // create pitch object
+  aubio_pitch_t *o = new_aubio_pitch ("default", win_s, hop_s, samplerate);
 
-  while (i < 100) {
-    aubio_pitch_do (o, in, out);
-    i++;
+  // 2. do something with it
+  while (n < 100) {
+    // get `hop_s` new samples into `input`
+    // ...
+    // exectute pitch
+    aubio_pitch_do (o, input, out);
+    // do something with output candidates
+    // ...
+    n++;
   };
 
+  // 3. clean up memory
   del_aubio_pitch (o);
   del_fvec (out);
-  del_fvec (in);
+  del_fvec (input);
   aubio_cleanup ();