lily/performer.cc

   1 /*
   2   performer.cc -- implement Performer
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7                Jan Nieuwenhuizen <janneke@gnu.org>
   8  */
   9
  10
  11 #include "performer-group-performer.hh"
  12 #include "warn.hh"
  13
  14 void
  15 Performer::play_element (Audio_element* p)
  16 {
  17   get_daddy_perf ()->play_element (p);
  18 }
  19
  20 int
  21 Performer::get_tempo () const
  22 {
  23   return get_daddy_perf ()->get_tempo ();
  24 }
  25
  26 Performer_group_performer*
  27 Performer::get_daddy_perf () const
  28 {
  29   return (daddy_trans_)
  30     ?dynamic_cast<Performer_group_performer *> (daddy_trans_)
  31     : 0;
  32 }
  33
  34 void
  35 Performer::acknowledge_audio_element (Audio_element_info)
  36 {
  37 }
  38
  39 void
  40 Performer::create_audio_elements ()
  41 {
  42 }
  43
  44
  45 void
  46 Performer::announce_element (Audio_element_info i)
  47 {
  48   if (!i.origin_trans_)
  49     i.origin_trans_= this;
  50   get_daddy_perf ()->announce_element (i);
  51 }