Changeset 95dc7f2 for src/pitch

Timestamp:

Apr 8, 2013, 6:50:55 PM (11 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:

0e75589

Parents:

ea912cc

Message:

src/pitch/: add first draft for specacf

Location:

src/pitch

Files:

• pitch.c (modified) (7 diffs)
• pitchspecacf.c (added)
• pitchspecacf.h (added)

src/pitch/pitch.c

@@ -33 +33 @@
 #include "pitch/pitchschmitt.h"
 #include "pitch/pitchyinfft.h"
+#include "pitch/pitchspecacf.h"
 #include "pitch/pitch.h"
 
@@ -43 +44 @@
   aubio_pitcht_fcomb,      /**< `fcomb`, Fast comb filter */
   aubio_pitcht_yinfft,     /**< `yinfft`, Spectral YIN */
+  aubio_pitcht_specacf,    /**< `specacf`, Spectral autocorrelation */
   aubio_pitcht_default
     = aubio_pitcht_yinfft, /**< `default` */
@@ -89 +91 @@
 static void aubio_pitch_do_fcomb (aubio_pitch_t * p, fvec_t * ibuf, fvec_t * obuf);
 static void aubio_pitch_do_yinfft (aubio_pitch_t * p, fvec_t * ibuf, fvec_t * obuf);
+static void aubio_pitch_do_specacf (aubio_pitch_t * p, fvec_t * ibuf, fvec_t * obuf);
 
 /* conversion functions for frequency conversions */
@@ -115 +118 @@
   else if (strcmp (pitch_mode, "fcomb") == 0)
     pitch_type = aubio_pitcht_fcomb;
+  else if (strcmp (pitch_mode, "specacf") == 0)
+    pitch_type = aubio_pitcht_specacf;
   else if (strcmp (pitch_mode, "default") == 0)
     pitch_type = aubio_pitcht_default;
@@ -159 +164 @@
       aubio_pitchyinfft_set_tolerance (p->p_object, 0.85);
       break;
+    case aubio_pitcht_specacf:
+      p->buf = new_fvec (bufsize);
+      p->p_object = new_aubio_pitchspecacf (bufsize);
+      p->detect_cb = aubio_pitch_do_specacf;
+      p->conf_cb = (aubio_pitch_get_conf_t)aubio_pitchspecacf_get_tolerance;
+      aubio_pitchspecacf_set_tolerance (p->p_object, 0.85);
+      break;
     default:
       break;
@@ -190 +202 @@
       del_fvec (p->buf);
       del_aubio_pitchyinfft (p->p_object);
+      break;
+    case aubio_pitcht_specacf:
+      del_fvec (p->buf);
+      del_aubio_pitchspecacf (p->p_object);
       break;
     default:
@@ -316 +332 @@
 
 void
+aubio_pitch_do_specacf (aubio_pitch_t * p, fvec_t * ibuf, fvec_t * out)
+{
+  aubio_pitch_slideblock (p, ibuf);
+  aubio_pitchspecacf_do (p->p_object, p->buf, out);
+  //out->data[0] = aubio_bintofreq (out->data[0], p->samplerate, p->bufsize);
+  smpl_t pitch = 0., period = out->data[0];
+  if (period > 0) {
+    pitch = p->samplerate / period;
+  } else {
+    pitch = 0.;
+  }
+  out->data[0] = pitch;
+}
+
+void
 aubio_pitch_do_fcomb (aubio_pitch_t * p, fvec_t * ibuf, fvec_t * out)
 {