lily/include/score-performer.hh

   1 /*
   2   score-performer.hh -- declare Score_performer
   3
   4   (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   5   Jan Nieuwenhuizen <janneke@gnu.org>
   6 */
   7
   8 #ifndef SCORE_PERFORMER_HH
   9 #define SCORE_PERFORMER_HH
  10
  11 #include "performer-group-performer.hh"
  12 #include "score-translator.hh"
  13
  14 /**
  15    Top level performer. Completely takes care of MIDI output
  16 */
  17 class Score_performer : public Score_translator, public virtual Performer_group_performer
  18 {
  19 public:
  20   VIRTUAL_COPY_CONSTRUCTOR (Translator_group, Score_performer);
  21   ~Score_performer ();
  22   Performance *performance_;
  23
  24   Score_performer ();
  25 protected:
  26   virtual void prepare (Moment mom);
  27   virtual void finish ();
  28   virtual void one_time_step ();
  29   virtual void initialize ();
  30   virtual void announce_element (Audio_element_info);
  31   virtual int get_tempo () const;
  32   virtual void play_element (Audio_element *p);
  33   virtual SCM get_output ();
  34   virtual void derived_mark () const;
  35 private:
  36   void header (Midi_stream &);
  37
  38   Audio_column *audio_column_;
  39 };
  40
  41 #endif // SCORE_PERFORMER_HH