diff --git a/media/ndk/NdkMediaDataSourcePriv.h b/media/ndk/NdkMediaDataSourcePriv.h
index 3b0aa59..8a5423c 100644
--- a/media/ndk/NdkMediaDataSourcePriv.h
+++ b/media/ndk/NdkMediaDataSourcePriv.h
@@ -44,6 +44,7 @@
     NdkDataSource(AMediaDataSource *);
 
     virtual status_t initCheck() const;
+    virtual uint32_t flags();
     virtual ssize_t readAt(off64_t offset, void *data, size_t size);
     virtual status_t getSize(off64_t *);
     virtual String8 toString();