/*
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
+
+ (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "score-performer.hh"
-#include "input-translator.hh"
-#include "midi-item.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 "debug.hh"
+#include "warn.hh"
+#include "context-def.hh"
+
+
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-IMPLEMENT_STATIC_NAME(Score_performer);
-ADD_THIS_PERFORMER(Score_performer);
+ENTER_DESCRIPTION(Score_performer,
+/* descr */ "",
+/* creats*/ "",
+/* accepts */ "",
+/* acks */ "",
+/* reads */ "",
+/* write */ "");
-Score_performer::Score_performer()
+
+Score_performer::Score_performer ()
{
- // not so much ugh, as [todo]
- *mlog << "MIDI output to " << "lelie.midi" << " ...\n";
- midi_stream_p_ = new Midi_stream( "lelie.midi",
- // don-t forget: extra track 0 for tempo/copyright stuff...
- //score_l_->staffs_.size() + 1,
- 1,
- 384 );
+ performance_ = 0;
}
-Score_performer::~Score_performer()
+
+Score_performer::~Score_performer ()
{
- delete midi_stream_p_;
}
-Translator*
-Score_performer::ancestor_l( int l )
-{
- return Global_translator::ancestor_l( l );
+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);
}
-int
-Score_performer::depth_i() const
-{
- return Global_translator::depth_i();
+void
+Score_performer::announce_element (Audio_element_info info)
+{
+ announce_infos_.push (info);
}
void
-Score_performer::play_event( Midi_item* l )
+Score_performer::prepare (Moment m)
{
-// file_p_->output( l );
-// cerr << String_convert::bin2hex_str( l->str() );
- // this should be done at staff level,
- // cached per staff probably.
- // but it generates output...
- *midi_stream_p_ << *l;
+ 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 ()
{
- now_mom_ = m;
+ 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);
}
-void
-Score_performer::process()
+int
+Score_performer::get_tempo () const
+{
+ return performance_->midi_->get_tempo (Moment (Rational (1, 4)));
+}
+
+
+Music_output *
+Score_performer::get_output ()
{
- process_requests();
- prev_mom_ = now_mom_;
+ 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 ();
+}