2 performer-group-performer.cc -- implement Performer_group_performer
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 Jan Nieuwenhuizen <janneke@gnu.org>
10 #include "performer-group-performer.hh"
12 #include "audio-element.hh"
16 ENTER_DESCRIPTION(Performer_group_performer,
19 /* accepts */ "general-music",
27 Performer_group_performer::announce_element (Audio_element_info info)
29 announce_infos_.push (info);
30 Performer::announce_element (info);
36 Performer_group_performer::create_audio_elements ()
38 for (SCM p = simple_trans_list_; gh_pair_p (p); p = ly_cdr (p))
40 Translator * t = unsmob_translator (ly_car (p));
41 Performer * eng = dynamic_cast<Performer*> (t);
43 eng->create_audio_elements ();
48 Performer_group_performer::acknowledge_audio_elements ()
50 for (int j =0; j < announce_infos_.size (); j++)
52 Audio_element_info info = announce_infos_[j];
54 for (SCM p = simple_trans_list_; gh_pair_p (p); p = ly_cdr (p))
56 Translator * t = unsmob_translator (ly_car (p));
57 Performer * eng = dynamic_cast<Performer*> (t);
58 if (eng && eng!= info.origin_trans_)
59 eng->acknowledge_audio_element (info);
65 Performer_group_performer::do_announces ()
67 for (SCM p = trans_group_list_; gh_pair_p (p); p =ly_cdr (p))
69 Translator * t = unsmob_translator (ly_car (p));
70 dynamic_cast<Performer_group_performer*> (t)->do_announces ();
74 create_audio_elements ();
76 while (announce_infos_.size ())
78 acknowledge_audio_elements ();
79 announce_infos_.clear ();
80 create_audio_elements ();
83 if (announce_infos_.size ())
85 #if 0 //printf? -> include <stdio.h>
86 printf ("do_announces: elt: %s\n",
87 classname (announce_infos_[0].elem_));
89 announce_infos_.clear ();
93 Performer_group_performer::Performer_group_performer(){}