[base] Add ability to clear all synthesised

sample buffers in a Frame (but not the audio
buffer).

2 files changed, 10 insertions, 3 deletions

diff --git a/src/simpl/base.cpp b/src/simpl/base.cpp
index 01e18b2..f418bf5 100644
--- a/src/simpl/base.cpp
+++ b/src/simpl/base.cpp
@@ -117,10 +117,8 @@ void Frame::clear() {
 
     if(_alloc_memory) {
         memset(_audio, 0.0, sizeof(sample) * _size);
-        memset(_synth, 0.0, sizeof(sample) * _synth_size);
-        memset(_residual, 0.0, sizeof(sample) * _size);
-        memset(_synth_residual, 0.0, sizeof(sample) * _synth_size);
     }
+    clear_synth();
 }
 
 void Frame::clear_peaks() {
@@ -133,6 +131,14 @@ void Frame::clear_partials() {
     _num_partials = 0;
 }
 
+void Frame::clear_synth() {
+    if(_alloc_memory) {
+        memset(_synth, 0.0, sizeof(sample) * _synth_size);
+        memset(_residual, 0.0, sizeof(sample) * _size);
+        memset(_synth_residual, 0.0, sizeof(sample) * _synth_size);
+    }
+}
+
 // Frame - peaks
 // -------------
 
diff --git a/src/simpl/base.h b/src/simpl/base.h
index 9e04ef7..83ab6bd 100644
--- a/src/simpl/base.h
+++ b/src/simpl/base.h
@@ -93,6 +93,7 @@ class Frame {
         void clear();
         void clear_peaks();
         void clear_partials();
+        void clear_synth();
 
         // peaks
         int num_peaks();