gst_base_transform_src_event  311 libs/gst/base/gstbasetransform.c static gboolean gst_base_transform_src_event (GstPad * pad, GstEvent * event);
gst_base_transform_src_event  416 libs/gst/base/gstbasetransform.c       GST_DEBUG_FUNCPTR (gst_base_transform_src_event));