BIN_IS_TOPLEVEL 2365 gst/gstbin.c toplevel = BIN_IS_TOPLEVEL (bin); BIN_IS_TOPLEVEL 2742 gst/gstbin.c toplevel = BIN_IS_TOPLEVEL (bin); BIN_IS_TOPLEVEL 2870 gst/gstbin.c toplevel = BIN_IS_TOPLEVEL (bin);