lily/include/score-performer.hh

   1 /*
   2   score-performer.hh -- declare Score_performer
   3
   4   (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5   Jan Nieuwenhuizen <janneke@gnu.org>
   6 */
   7
   8 #ifndef SCORE_PERFORMER_HH
   9 #define SCORE_PERFORMER_HH
  10
  11 #include "moment.hh"
  12 #include "performer-group.hh"
  13
  14 /**
  15    Top level performer. Completely takes care of MIDI output
  16 */
  17 class Score_performer : public Performer_group
  18 {
  19 public:
  20   VIRTUAL_COPY_CONSTRUCTOR (Translator_group, Score_performer);
  21   Performance *performance_;
  22
  23   ~Score_performer ();
  24   Score_performer ();
  25
  26 protected:
  27   DECLARE_LISTENER (finish);
  28   DECLARE_LISTENER (prepare);
  29   DECLARE_LISTENER (one_time_step);
  30
  31   /* Engraver_group_engraver interface */
  32   virtual void connect_to_context (Context *);
  33   virtual void disconnect_from_context ();
  34   virtual void initialize ();
  35   virtual void announce_element (Audio_element_info);
  36   virtual void derived_mark () const;
  37   virtual void acknowledge_audio_elements ();
  38 private:
  39   void header (Midi_stream &);
  40
  41   Audio_column *audio_column_;
  42   bool skipping_;
  43   Moment skip_start_mom_;
  44   Moment offset_mom_;
  45 };
  46
  47 #endif // SCORE_PERFORMER_HH