diff --git a/media/libaudiohal/EffectBufferHalHidl.h b/media/libaudiohal/EffectBufferHalHidl.h
index 4c4ec87..6e9fd0b 100644
--- a/media/libaudiohal/EffectBufferHalHidl.h
+++ b/media/libaudiohal/EffectBufferHalHidl.h
@@ -40,6 +40,8 @@
 
     virtual void update();
     virtual void commit();
+    virtual void update(size_t size);
+    virtual void commit(size_t size);
 
     const AudioBuffer& hidlBuffer() const { return mHidlBuffer; }