diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index c7a7a3a..b512982 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -2658,7 +2658,7 @@
         return 0;
     }
     size_t actualSize = (*me->mCallback)(
-            me.get(), buffer.raw, buffer.size, me->mCallbackCookie,
+            me.get(), buffer.data(), buffer.size(), me->mCallbackCookie,
             CB_EVENT_FILL_BUFFER);
 
     // Log when no data is returned from the callback.