diff --git a/media/libaudiohal/EffectBufferHalLocal.h b/media/libaudiohal/EffectBufferHalLocal.h
index df7bd43..202d878 100644
--- a/media/libaudiohal/EffectBufferHalLocal.h
+++ b/media/libaudiohal/EffectBufferHalLocal.h
@@ -35,6 +35,8 @@
 
     virtual void update();
     virtual void commit();
+    virtual void update(size_t size);
+    virtual void commit(size_t size);
 
   private:
     friend class EffectBufferHalInterface;