/*
score-performer.cc -- implement Score_performer
- (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
- Jan Nieuwenhuizen <jan@digicash.com>
- */
+ source file of the GNU LilyPond music typesetter
-#if 0
+ (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ */
#include "score-performer.hh"
+#include "midi-def.hh"
+#include "audio-column.hh"
+#include "audio-item.hh"
+#include "performance.hh"
+#include "midi-stream.hh"
+#include "string-convert.hh"
+#include "warn.hh"
+#include "context-def.hh"
+
+
+
+ENTER_DESCRIPTION(Score_performer,
+/* descr */ "",
+/* creats*/ "",
+/* accepts */ "",
+/* acks */ "",
+/* reads */ "",
+/* write */ "");
+
+
+Score_performer::Score_performer ()
+{
+ performance_ = 0;
+}
+
+
+Score_performer::~Score_performer ()
+{
+}
+
+void
+Score_performer::play_element (Audio_element * p)
+{
+ if (Audio_item * i=dynamic_cast<Audio_item *> (p))
+ {
+ audio_column_->add_audio_item (i);
+ }
+ performance_->add_element (p);
+}
+
+void
+Score_performer::announce_element (Audio_element_info info)
+{
+ announce_infos_.push (info);
+}
void
-Score_performer::play_event( Midi_item i )
+Score_performer::prepare (Moment m)
{
- file_p_->output( i );
+ audio_column_ = new Audio_column (m);
+ play_element (audio_column_);
+ recurse_down_translators (daddy_context_, &Translator::start_translation_timestep, UP);
}
+void
+Score_performer::finish ()
+{
+ recurse_down_translators (daddy_context_, &Translator::finalize, UP);
+}
+
void
-Score_performer::prepare(Moment m)
+Score_performer::one_time_step ()
+{
+ recurse_down_translators (daddy_context_, &Performer::process_music, UP);
+ recurse_down_translators (daddy_context_, &Performer::do_announces, UP);
+ recurse_down_translators (daddy_context_, &Translator::stop_translation_timestep, UP);
+}
+
+int
+Score_performer::get_tempo () const
{
- file_p_->move( mom.prev_ );
+ return performance_->midi_->get_tempo (Moment (Rational (1, 4)));
}
-#endif
+
+Music_output *
+Score_performer::get_output ()
+{
+ Music_output * o = performance_;
+ performance_ =0;
+ return o;
+}
+
+void
+Score_performer::initialize ()
+{
+ performance_ = new Performance;
+ performance_->midi_ = dynamic_cast<Midi_def*> (get_output_def ());
+
+ Translator_group::initialize ();
+}