src/spectral/: add const qualifiers

[aubio.git] / src / spectral / specdesc.c

diff --git a/src/spectral/specdesc.c b/src/spectral/specdesc.c
index 5ef1062..fb9b2f7 100644 (file)
--- a/src/spectral/specdesc.c
+++ b/src/spectral/specdesc.c
@@ -26,28 +26,28 @@
 #include "mathutils.h"
 #include "utils/hist.h"
 
-void aubio_specdesc_energy(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_hfc(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_complex(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_phase(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_specdiff(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_kl(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_mkl(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
-void aubio_specdesc_specflux(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_energy(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_hfc(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_complex(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_phase(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_specdiff(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_kl(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_mkl(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
+void aubio_specdesc_specflux(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset);
 
-extern void aubio_specdesc_centroid (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_centroid (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
-extern void aubio_specdesc_spread (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_spread (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
-extern void aubio_specdesc_skewness (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_skewness (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
-extern void aubio_specdesc_kurtosis (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_kurtosis (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
-extern void aubio_specdesc_slope (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_slope (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
-extern void aubio_specdesc_decrease (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_decrease (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
-extern void aubio_specdesc_rolloff (aubio_specdesc_t * o, cvec_t * spec,
+extern void aubio_specdesc_rolloff (aubio_specdesc_t * o, const cvec_t * spec,
     fvec_t * desc);
 
 /** onsetdetection types */
@@ -75,7 +75,7 @@ struct _aubio_specdesc_t {
   aubio_specdesc_type onset_type; /**< onset detection type */
   /** Pointer to aubio_specdesc_<type> function */
   void (*funcpointer)(aubio_specdesc_t *o,
-      cvec_t * fftgrain, fvec_t * onset);
+      const cvec_t * fftgrain, fvec_t * onset);
   smpl_t threshold;      /**< minimum norm threshold for phase and specdiff */
   fvec_t *oldmag;        /**< previous norm vector */
   fvec_t *dev1 ;         /**< current onset detection measure vector */
@@ -87,7 +87,7 @@ struct _aubio_specdesc_t {
 
 /* Energy based onset detection function */
 void aubio_specdesc_energy  (aubio_specdesc_t *o UNUSED,
-    cvec_t * fftgrain, fvec_t * onset) {
+    const cvec_t * fftgrain, fvec_t * onset) {
   uint_t j;
   onset->data[0] = 0.;
   for (j=0;j<fftgrain->length;j++) {
@@ -97,7 +97,7 @@ void aubio_specdesc_energy  (aubio_specdesc_t *o UNUSED,
 
 /* High Frequency Content onset detection function */
 void aubio_specdesc_hfc(aubio_specdesc_t *o UNUSED,
-    cvec_t * fftgrain, fvec_t * onset){
+    const cvec_t * fftgrain, fvec_t * onset){
   uint_t j;
   onset->data[0] = 0.;
   for (j=0;j<fftgrain->length;j++) {
@@ -107,7 +107,7 @@ void aubio_specdesc_hfc(aubio_specdesc_t *o UNUSED,
 
 
 /* Complex Domain Method onset detection function */
-void aubio_specdesc_complex (aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset) {
+void aubio_specdesc_complex (aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset) {
   uint_t j;
   uint_t nbins = fftgrain->length;
   onset->data[0] = 0.;
@@ -131,7 +131,7 @@ void aubio_specdesc_complex (aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * on
 
 /* Phase Based Method onset detection function */
 void aubio_specdesc_phase(aubio_specdesc_t *o, 
-    cvec_t * fftgrain, fvec_t * onset){
+    const cvec_t * fftgrain, fvec_t * onset){
   uint_t j;
   uint_t nbins = fftgrain->length;
   onset->data[0] = 0.0;
@@ -161,7 +161,7 @@ void aubio_specdesc_phase(aubio_specdesc_t *o,
 
 /* Spectral difference method onset detection function */
 void aubio_specdesc_specdiff(aubio_specdesc_t *o,
-    cvec_t * fftgrain, fvec_t * onset){
+    const cvec_t * fftgrain, fvec_t * onset){
   uint_t j;
   uint_t nbins = fftgrain->length;
     onset->data[0] = 0.0;
@@ -188,7 +188,7 @@ void aubio_specdesc_specdiff(aubio_specdesc_t *o,
 /* Kullback Liebler onset detection function
  * note we use ln(1+Xn/(Xn-1+0.0001)) to avoid 
  * negative (1.+) and infinite values (+1.e-10) */
-void aubio_specdesc_kl(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset){
+void aubio_specdesc_kl(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset){
   uint_t j;
     onset->data[0] = 0.;
     for (j=0;j<fftgrain->length;j++) {
@@ -202,7 +202,7 @@ void aubio_specdesc_kl(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset){
 /* Modified Kullback Liebler onset detection function
  * note we use ln(1+Xn/(Xn-1+0.0001)) to avoid 
  * negative (1.+) and infinite values (+1.e-10) */
-void aubio_specdesc_mkl(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset){
+void aubio_specdesc_mkl(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset){
   uint_t j;
     onset->data[0] = 0.;
     for (j=0;j<fftgrain->length;j++) {
@@ -213,7 +213,7 @@ void aubio_specdesc_mkl(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset){
 }
 
 /* Spectral flux */
-void aubio_specdesc_specflux(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * onset){ 
+void aubio_specdesc_specflux(aubio_specdesc_t *o, const cvec_t * fftgrain, fvec_t * onset){ 
   uint_t j;
   onset->data[0] = 0.;
   for (j=0;j<fftgrain->length;j++) {
@@ -225,7 +225,7 @@ void aubio_specdesc_specflux(aubio_specdesc_t *o, cvec_t * fftgrain, fvec_t * on
 
 /* Generic function pointing to the choosen one */
 void 
-aubio_specdesc_do (aubio_specdesc_t *o, cvec_t * fftgrain, 
+aubio_specdesc_do (aubio_specdesc_t *o, const cvec_t * fftgrain, 
     fvec_t * onset) {
   o->funcpointer(o,fftgrain,onset);
 }
@@ -234,7 +234,7 @@ aubio_specdesc_do (aubio_specdesc_t *o, cvec_t * fftgrain,
  * depending on the choosen type, allocate memory as needed
  */
 aubio_specdesc_t * 
-new_aubio_specdesc (char_t * onset_mode, uint_t size){
+new_aubio_specdesc (const char_t * onset_mode, uint_t size){
   aubio_specdesc_t * o = AUBIO_NEW(aubio_specdesc_t);
   uint_t rsize = size/2+1;
   aubio_specdesc_type onset_type;