create filter deletion function

create filter deletion function

diff --git a/src/filter.c b/src/filter.c
index 3ff3cd0..d734fdd 100644 (file)
--- a/src/filter.c
+++ b/src/filter.c
@@ -215,3 +215,11 @@ aubio_filter_t * new_aubio_filter(uint_t samplerate, uint_t order) {
   return f;
 }
 
+void del_aubio_filter(aubio_filter_t * f) {
+  AUBIO_FREE(f->a);
+  AUBIO_FREE(f->b);
+  AUBIO_FREE(f->x);
+  AUBIO_FREE(f->y);
+  AUBIO_FREE(f);
+  return;
+}

diff --git a/src/filter.h b/src/filter.h
index c6aaad0..266befc 100644 (file)
--- a/src/filter.h
+++ b/src/filter.h
@@ -84,6 +84,12 @@ aubio_filter_t * new_aubio_adsgn_filter(uint_t samplerate);
 
 */
 aubio_filter_t * new_aubio_cdsgn_filter(uint_t samplerate);
+/** delete a filter object
+ 
+  \param f filter object to delete
+
+*/
+void del_aubio_filter(aubio_filter_t * f);
 
 #ifdef __cplusplus
 }