source file of the GNU LilyPond music typesetter
- (c) 1996, 1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "note-performer.hh"
-#include "musical-request.hh"
+#include "performer.hh"
+#include "event.hh"
#include "audio-item.hh"
-#include "debug.hh"
+#include "audio-column.hh"
+#include "global-translator.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);
+ virtual void stop_translation_timestep ();
+ virtual void create_audio_elements ();
+ Global_translator* get_global_translator ();
-Note_performer::Note_performer ()
-{
-}
+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_arr_.size()>0)
- for(int i=0;i<note_req_l_arr_.size();i++)
- note_req_l_arr_[i]->print ();
-#endif
-}
-
-void
-Note_performer::do_process_requests ()
-{
- if (note_req_l_arr_.size ())
+ 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;
+ SCM prop = get_property ("transposing");
+ if (gh_number_p (prop))
+ transposing_i = gh_scm2int (prop);
- while(note_req_l_arr_.size ())
+ while (note_evs_.size ())
{
- Note_req* n = note_req_l_arr_.pop ();
- Audio_note* p = new Audio_note (n->pitch_, n->length_mom (), transposing_i);
- Audio_element_info info (p, n);
- announce_element (info);
- note_p_arr_.push (p);
+ Music* n = note_evs_.pop ();
+ Pitch *pit = unsmob_pitch (n->get_mus_property ("pitch"));
+
+ if (pit)
+ {
+ Audio_note* p = new Audio_note (*pit, n->get_length (), transposing_i);
+ Audio_element_info info (p, n);
+ announce_element (info);
+ notes_.push (p);
+ }
}
+ note_evs_.clear ();
}
}
+Global_translator*
+Note_performer::get_global_translator ()
+{
+ Translator *t = this;
+ Global_translator *global =0;
+ do
+ {
+ t = t->daddy_trans_ ;
+ global = dynamic_cast<Global_translator*> (t);
+ }
+ while (!global);
+
+ return global;
+}
+
+
void
-Note_performer::do_pre_move_processing ()
+Note_performer::stop_translation_timestep ()
{
- for (int i=0; i < note_p_arr_.size (); i++)
+
+ // why don't grace notes show up here?
+ // --> grace notes effectively do not get delayed
+ Global_translator* global = get_global_translator ();
+ 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++)
{
- play_element (note_p_arr_[i]);
+ Audio_note* n = delayeds_[i];
+ if (n->delayed_until_mom_ <= now)
+ {
+ play_element (n);
+ delayeds_[i] = 0;
+ delayeds_.del (i);
+ i--;
+ }
}
- note_p_arr_.clear ();
- note_req_l_arr_.clear ();
}
bool
-Note_performer::do_try_music (Music* req_l)
+Note_performer::try_music (Music* ev)
{
- if (Note_req *nr = dynamic_cast <Note_req *> (req_l))
+ if (ev->is_mus_type ("note-event"))
{
- note_req_l_arr_.push (nr);
+ note_evs_.push (ev);
return true;
}
+ else if (ev->is_mus_type ("busy-playing-event"))
+ return note_evs_.size ();
+
return false;
}
+
+ENTER_DESCRIPTION(Note_performer,"","",
+ "note-event busy-playing-event","","","");
+
+Note_performer::Note_performer()
+{
+}