VAStatus vaSyncSurface(VADisplay dpy, VASurfaceID render_target);
VAStatus vaTerminate(VADisplay dpy);
VAStatus vaUnmapBuffer(VADisplay dpy, VABufferID buf_id);
-
+VAStatus vaLockBuffer(VADisplay dpy, VABufferID buf_id, VABufferInfo *buf_info_ptr);
+VAStatus vaUnlockBuffer(VADisplay dpy, VABufferID buf_id, VABufferInfo *buf_info_ptr);
#------------------------------------------------
# Functions from libva-wayland used in chromium code.