2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1996--2012 Jan Nieuwenhuizen <janneke@gnu.org>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "score-performer.hh"
22 #include "audio-column.hh"
23 #include "audio-item.hh"
24 #include "context-def.hh"
25 #include "dispatcher.hh"
26 #include "global-context.hh"
27 #include "performance.hh"
28 #include "midi-stream.hh"
29 #include "output-def.hh"
30 #include "string-convert.hh"
32 #include "audio-staff.hh"
33 #include "audio-item.hh"
35 ADD_TRANSLATOR_GROUP (Score_performer,
49 Score_performer::Score_performer ()
56 Score_performer::~Score_performer ()
61 Score_performer::announce_element (Audio_element_info info)
63 announce_infos_.push_back (info);
64 if (Audio_staff *s = dynamic_cast<Audio_staff *> (info.elem_))
66 performance_->audio_staffs_.push_back (s);
69 performance_->add_element (info.elem_);
73 Score_performer::acknowledge_audio_elements ()
75 for (vsize i = 0; i < announce_infos_.size (); i++)
77 if (Audio_item *ai = dynamic_cast<Audio_item *> (announce_infos_[i].elem_))
78 audio_column_->add_audio_item (ai);
80 Performer_group::acknowledge_audio_elements ();
84 Score_performer::connect_to_context (Context *c)
86 Performer_group::connect_to_context (c);
88 Dispatcher *d = c->get_global_context ()->event_source ();
89 d->add_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep"));
90 d->add_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare"));
91 d->add_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish"));
95 Score_performer::disconnect_from_context ()
97 Dispatcher *d = context ()->get_global_context ()->event_source ();
98 d->remove_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep"));
99 d->remove_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare"));
100 d->remove_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish"));
102 Performer_group::disconnect_from_context ();
105 IMPLEMENT_LISTENER (Score_performer, prepare);
107 Score_performer::prepare (SCM sev)
109 Stream_event *ev = unsmob_stream_event (sev);
110 SCM sm = ev->get_property ("moment");
111 Moment *m = unsmob_moment (sm);
112 audio_column_ = new Audio_column (*m);
113 announce_element (Audio_element_info (audio_column_, 0));
114 precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP);
117 IMPLEMENT_LISTENER (Score_performer, finish);
119 Score_performer::finish (SCM)
121 SCM channel_mapping = context ()->get_property ("midiChannelMapping");
122 bool use_ports = channel_mapping == ly_symbol2scm ("voice");
123 performance_->ports_ = use_ports;
124 recurse_over_translators (context (),
125 &Translator::finalize,
126 &Translator_group::finalize,
130 IMPLEMENT_LISTENER (Score_performer, one_time_step);
132 Score_performer::one_time_step (SCM)
134 if (to_boolean (context ()->get_property ("skipTypesetting")))
138 skip_start_mom_ = audio_column_->when ();
146 offset_mom_ -= audio_column_->when () - skip_start_mom_;
150 audio_column_->offset_when (offset_mom_);
151 precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
155 precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
159 Score_performer::derived_mark () const
162 scm_gc_mark (performance_->self_scm ());
164 Performer_group::derived_mark ();
168 Score_performer::initialize ()
170 performance_ = new Performance;
171 performance_->unprotect ();
172 context ()->set_property ("output", performance_->self_scm ());
173 performance_->midi_ = context ()->get_output_def ();
175 Translator_group::initialize ();