source file of the GNU LilyPond music typesetter
- (c) 1996, 1997--1998 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1996--2005 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "note-performer.hh"
-#include "musical-request.hh"
+#include "performer.hh"
#include "audio-item.hh"
-#include "debug.hh"
+#include "audio-column.hh"
+#include "global-context.hh"
+#include "warn.hh"
+/**
+Convert evs to audio notes.
+*/
+class Note_performer : public Performer {
+public:
+ TRANSLATOR_DECLARATIONS (Note_performer);
+
+protected:
+ virtual bool try_music (Music *ev) ;
-ADD_THIS_TRANSLATOR (Note_performer);
-
-Note_performer::Note_performer ()
-{
- note_req_l_ = 0;
-}
+ virtual void stop_translation_timestep ();
+ virtual void create_audio_elements ();
+
+private:
+ Link_array<Music> note_evs_;
+ Link_array<Audio_note> notes_;
+ Link_array<Audio_note> delayeds_;
+};
void
-Note_performer::do_print () const
+Note_performer::create_audio_elements ()
{
-#ifndef NPRINT
- if (note_req_l_)
- note_req_l_->print ();
-#endif
-}
-
-void
-Note_performer::do_process_requests ()
-{
- if (note_req_l_)
+ if (note_evs_.size ())
{
- int transposing_i = 0;
- //urg
- Scalar prop = get_property ("transposing", 0);
- if (!prop.empty_b () && prop.isnum_b ())
- transposing_i = prop;
+ int transposing = 0;
+ SCM prop = get_property ("instrumentTransposition");
+ if (unsmob_pitch (prop))
+ transposing = unsmob_pitch (prop)->semitone_pitch ();
- play (new Audio_note (note_req_l_, transposing_i));
+ while (note_evs_.size ())
+ {
+ Music* n = note_evs_.pop ();
+ SCM pit = n->get_property ("pitch");
- note_req_l_ = 0;
+ if (Pitch * pitp = unsmob_pitch (pit))
+ {
+ Audio_note* p = new Audio_note (*pitp, n->get_length (), - transposing);
+ Audio_element_info info (p, n);
+ announce_element (info);
+ notes_.push (p);
+ }
+ }
+ note_evs_.clear ();
}
}
-bool
-Note_performer::do_try_music (Music* req_l)
+
+void
+Note_performer::stop_translation_timestep ()
{
- if (note_req_l_)
- return false;
-
- if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
+ // why don't grace notes show up here?
+ // --> grace notes effectively do not get delayed
+ Global_context * global = get_global_context ();
+ for (int i = 0; i < notes_.size (); i++)
+ {
+ Audio_note* n = notes_[i];
+ Moment m = n->delayed_until_mom_;
+ if (m.to_bool ())
+ {
+ global->add_moment_to_process (m);
+ delayeds_.push (n);
+ notes_[i] = 0;
+ notes_.del (i);
+ i--;
+ }
+ }
+
+ Moment now = now_mom ();
+ for (int i = 0; i < notes_.size (); i++)
+ {
+ play_element (notes_[i]);
+ }
+ notes_.clear ();
+ note_evs_.clear ();
+ for (int i = 0; i < delayeds_.size (); i++)
+ {
+ Audio_note* n = delayeds_[i];
+ if (n->delayed_until_mom_ <= now)
+ {
+ play_element (n);
+ delayeds_[i] = 0;
+ delayeds_.del (i);
+ i--;
+ }
+ }
+}
+
+bool
+Note_performer::try_music (Music* ev)
+{
+ if (ev->is_mus_type ("note-event"))
{
- note_req_l_ = nr;
+ note_evs_.push (ev);
return true;
}
+ else if (ev->is_mus_type ("busy-playing-event"))
+ return note_evs_.size ();
+
return false;
}
+
+ADD_TRANSLATOR (Note_performer,"","",
+ "note-event busy-playing-event","","","");
+
+Note_performer::Note_performer ()
+{
+}