gst_message_new_step_done

function gst_message_new_step_done(

  src: PGstObject;

  format: TGstFormat;

  amount: Tguint64;

  rate: Tgdouble;

  flush: TGboolean;

  intermediate: TGboolean;

  duration: Tguint64;

  eos: TGboolean

):PGstMessage;