source file of the GNU LilyPond music typesetter
- (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#include "performer-group-performer.hh"
-#include "debug.hh"
+#include "context.hh"
+#include "audio-element.hh"
+#include "warn.hh"
+ADD_TRANSLATOR_GROUP (Performer_group_performer,
+ /* descr */ "",
+ /* creats*/ "",
+ /* accepts */ "",
+ /* reads */ "",
+ /* write */ "");
-ADD_THIS_TRANSLATOR(Performer_group_performer);
+void
+Performer_group_performer::announce_element (Audio_element_info info)
+{
+ announce_infos_.push (info);
+ Translator_group *t
+ = context ()->get_parent_context ()->implementation ();
+ if (Performer_group_performer *eg = dynamic_cast<Performer_group_performer *> (t))
+ eg->announce_element (info);
+}
void
-Performer_group_performer::announce_element (Audio_element_info info)
+Performer_group_performer::acknowledge_audio_elements ()
{
- announce_info_arr_.push (info);
- Performer::announce_element (info);
+ for (int j = 0; j < announce_infos_.size (); j++)
+ {
+ Audio_element_info info = announce_infos_[j];
+
+ for (SCM p = get_simple_trans_list (); scm_is_pair (p); p = scm_cdr (p))
+ {
+ Translator *t = unsmob_translator (scm_car (p));
+ Performer *eng = dynamic_cast<Performer *> (t);
+ if (eng && eng != info.origin_trans_)
+ eng->acknowledge_audio_element (info);
+ }
+ }
}
void
-Performer_group_performer::do_announces()
+performer_each (SCM list, Performer_method method)
{
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
+ for (SCM p = list; scm_is_pair (p); p = scm_cdr (p))
{
- if (Performer_group_performer *trg = dynamic_cast <Performer_group_performer *> (p->car_))
- trg->do_announces ();
+ Performer *e = dynamic_cast<Performer *> (unsmob_translator (scm_car (p)));
+ if (e)
+ (e->*method) ();
}
+}
-
+void
+Performer_group_performer::do_announces ()
+{
+ while (1)
+ {
+ performer_each (get_simple_trans_list (),
+ &Performer::create_audio_elements);
+
+ if (!announce_infos_.size ())
+ break;
+ acknowledge_audio_elements ();
+ announce_infos_.clear ();
+ }
+}
- while (announce_info_arr_.size ())
+
+void
+Performer_group_performer::play_element (Audio_element *e)
+{
+ Context *c = context_->get_parent_context ();
+ if (c)
{
- for (int j =0; j < announce_info_arr_.size(); j++)
- {
- Audio_element_info info = announce_info_arr_[j];
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (!dynamic_cast <Performer_group_performer *> (p->car_))
- {
- Performer * eng = dynamic_cast<Performer*> (p->car_);
- // urg, huh? core dump?
- //if (eng && eng!= info.origin_trans_l_arr ()[0])
- if (eng && info.origin_trans_l_arr (this).size ()
- && eng!= info.origin_trans_l_arr (this)[0])
- eng->acknowledge_element (info);
- }
- }
- announce_info_arr_.clear ();
-
-
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (!dynamic_cast <Performer_group_performer *> (p->car_))
- {
- Performer * eng = dynamic_cast<Performer*> (p->car_);
- if (eng)
- eng->process_acknowledged ();
- }
- }
- }
+ Performer_group_performer *pgp = dynamic_cast<Performer_group_performer*> (c->implementation ());
+ pgp->play_element (e);
}
}
+int
+Performer_group_performer::get_tempo () const
+{
+ Context *c = context_->get_parent_context ();
+ if (c)
+ {
+ Performer_group_performer *pgp = dynamic_cast<Performer_group_performer*> (c->implementation ());
+ return pgp->get_tempo ();
+ }
+ return 60;
+}
+