2 score-performer.cc -- implement Score_performer
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--2003 Jan Nieuwenhuizen <janneke@gnu.org>
9 #include "score-performer.hh"
10 #include "midi-def.hh"
11 #include "audio-column.hh"
12 #include "audio-item.hh"
13 #include "performance.hh"
14 #include "midi-stream.hh"
15 #include "string-convert.hh"
17 #include "context-def.hh"
21 ENTER_DESCRIPTION(Score_performer,
30 Score_performer::Score_performer ()
36 Score_performer::~Score_performer ()
41 Score_performer::play_element (Audio_element * p)
43 if (Audio_item * i=dynamic_cast<Audio_item *> (p))
45 audio_column_->add_audio_item (i);
47 performance_->add_element (p);
51 Score_performer::announce_element (Audio_element_info info)
53 announce_infos_.push (info);
58 copied from score-engraver, but
59 this way staff gets in list twice
60 if (Audio_item* i = dynamic_cast<Audio_item*> (info.elem_))
61 performance_->add_element (i);
66 Score_performer::prepare (Moment m)
68 Global_translator::prepare (m);
69 audio_column_ = new Audio_column (m);
70 play_element (audio_column_);
71 start_translation_timestep ();
76 Score_performer::one_time_step ()
78 // fixme: put this back.
81 stop_translation_timestep ();
86 Score_performer::start ()
92 Score_performer::get_tempo () const
94 return performance_->midi_->get_tempo (Moment (Rational (1, 4)));
98 Score_performer::finish ()
105 Score_performer::get_output ()
107 Music_output * o = performance_;
113 Score_performer::initialize ()
115 unsmob_context_def (definition_)->apply_default_property_operations (this);
116 assert (dynamic_cast<Midi_def *> (output_def_));
117 performance_ = new Performance;
118 performance_->midi_ = dynamic_cast<Midi_def*> (output_def_);
120 Translator_group::initialize ();