GST_PUSH_SRC_CLASS  173 plugins/elements/gstfdsrc.c   gstpush_src_class = GST_PUSH_SRC_CLASS (klass);
GST_PUSH_SRC_CLASS  894 tests/check/elements/fakesink.c   GstPushSrcClass *pushsrc_class = GST_PUSH_SRC_CLASS (klass);