diff --git a/include/media/MediaCodecBuffer.h b/include/media/MediaCodecBuffer.h
index 2df81dd..05aaa14 100644
--- a/include/media/MediaCodecBuffer.h
+++ b/include/media/MediaCodecBuffer.h
@@ -58,6 +58,8 @@
     sp<AMessage> meta();
     sp<AMessage> format();
 
+    virtual sp<MediaCodecBuffer> clone(const sp<AMessage> &format);
+
 private:
     MediaCodecBuffer() = delete;