Changes in / [67b6618:155cc10]

Location:

src

Files:

• aubio.h (modified) (1 diff)
• onset/onset.c (modified) (6 diffs)
• onset/onset.h (modified) (1 diff)
• spectral/awhitening.c (added)
• spectral/awhitening.h (added)

src/aubio.h

@@ -188 +188 @@
 #include "spectral/mfcc.h"
 #include "spectral/specdesc.h"
+#include "spectral/awhitening.h"
 #include "spectral/tss.h"
 #include "pitch/pitch.h"

src/onset/onset.c

@@ -24 +24 @@
 #include "spectral/specdesc.h"
 #include "spectral/phasevoc.h"
+#include "spectral/awhitening.h"
 #include "onset/peakpicker.h"
 #include "mathutils.h"
 #include "onset/onset.h"
+
+void aubio_onset_default_parameters (aubio_onset_t *o, char_t * method);
 
 /** structure to store object state */
@@ -43 +46 @@
   uint_t total_frames;          /**< total number of frames processed since the beginning */
   uint_t last_onset;            /**< last detected onset location, in frames */
+
+  uint_t apply_adaptive_whitening;
+  aubio_spectral_whitening_t *spectral_whitening;
 };
 
@@ -50 +56 @@
   smpl_t isonset = 0;
   aubio_pvoc_do (o->pv,input, o->fftgrain);
+  /*
+  if (apply_filtering) {
+  }
+  if (apply_compression) {
+  }
+  */
+  if (o->apply_adaptive_whitening) {
+    aubio_spectral_whitening_do(o->spectral_whitening, o->fftgrain);
+  }
   aubio_specdesc_do (o->od, o->fftgrain, o->desc);
   aubio_peakpicker_do(o->pp, o->desc, onset);
@@ -100 +115 @@
 }
 
+uint_t aubio_onset_set_adaptive_whitening (aubio_onset_t *o, uint_t apply_adaptive_whitening)
+{
+  o->apply_adaptive_whitening = apply_adaptive_whitening;
+  return AUBIO_OK;
+}
+
+uint_t aubio_onset_get_adaptive_whitening (aubio_onset_t *o)
+{
+  return o->apply_adaptive_whitening;
+}
+
 uint_t aubio_onset_set_silence(aubio_onset_t * o, smpl_t silence) {
   o->silence = silence;
@@ -210 +236 @@
   o->desc = new_fvec(1);
 
-  /* set some default parameter */
-  aubio_onset_set_threshold (o, 0.3);
-  aubio_onset_set_delay(o, 4.3 * hop_size);
-  aubio_onset_set_minioi_ms(o, 20.);
-  aubio_onset_set_silence(o, -70.);
+  o->spectral_whitening = new_aubio_spectral_whitening(buf_size, hop_size, samplerate);
+
+  aubio_onset_default_parameters (o, onset_mode);
 
   /* initialize internal variables */
@@ -229 +253 @@
 }
 
+void aubio_onset_default_parameters (aubio_onset_t * o, char_t * onset_mode)
+{
+  /* set some default parameter */
+  aubio_onset_set_threshold (o, 0.3);
+  aubio_onset_set_delay (o, 4.3 * o->hop_size);
+  aubio_onset_set_minioi_ms (o, 50.);
+  aubio_onset_set_silence (o, -70.);
+  aubio_onset_set_adaptive_whitening (o, 1);
+
+  /* method specific optimisations */
+  if (strcmp (onset_mode, "energy") == 0) {
+  } else if (strcmp (onset_mode, "hfc") == 0 || strcmp (onset_mode, "default") == 0) {
+    aubio_onset_set_adaptive_whitening (o, 0);
+  } else if (strcmp (onset_mode, "complexdomain") == 0
+             || strcmp (onset_mode, "complex") == 0) {
+    aubio_onset_set_delay (o, 4.6 * o->hop_size);
+    aubio_onset_set_threshold (o, 0.15);
+  } else if (strcmp (onset_mode, "phase") == 0) {
+    aubio_onset_set_adaptive_whitening (o, 0);
+  } else if (strcmp (onset_mode, "mkl") == 0) {
+    aubio_onset_set_threshold (o, 0.05);
+  } else if (strcmp (onset_mode, "kl") == 0) {
+    aubio_onset_set_threshold (o, 0.35);
+  } else if (strcmp (onset_mode, "specflux") == 0) {
+    aubio_onset_set_threshold (o, 0.4);
+  } else if (strcmp (onset_mode, "specdiff") == 0) {
+  } else {
+    AUBIO_ERR ("onset: unknown spectral descriptor type %s, "
+               "using default parameters.\n", onset_mode);
+  }
+}
+
 void del_aubio_onset (aubio_onset_t *o)
 {
+  del_aubio_spectral_whitening(o->spectral_whitening);
   del_aubio_specdesc(o->od);
   del_aubio_peakpicker(o->pp);

src/onset/onset.h

@@ -118 +118 @@
 smpl_t aubio_onset_get_last_ms (const aubio_onset_t *o);
 
+/** set onset detection adaptive whitening
+
+  \param o onset detection object as returned by new_aubio_onset()
+  \param apply_adaptive_whitening 1 to enable, 0 to disable
+
+*/
+uint_t aubio_onset_set_adaptive_whitening(aubio_onset_t * o, uint_t apply_adaptive_whitening);
+
+/** get onset detection silence threshold
+
+  \param o onset detection object as returned by new_aubio_onset()
+
+  \return adaptive whitening mode, 1 if enabled, 0 otherwise
+
+*/
+uint_t aubio_onset_get_adaptive_whitening(aubio_onset_t * o);
+
 /** set onset detection silence threshold