release: 1.5.13

[lilypond.git] / lily / score-performer.cc

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index 944f44e0cca3c3bbf149636c647390fa104ad8ba..ea2926c5bc45b176a162f5c4d065587201b8c85a 100644 (file)
--- a/lily/score-performer.cc
+++ b/lily/score-performer.cc
@@ -1,70 +1,120 @@
 /*
   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--2001 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 "translator-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*/       "",
+/* 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_p_ = 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_l_->add_audio_item (i);
+    }
+  performance_p_->add_element (p);
 }
 
-int 
-Score_performer::depth_i() const 
-{ 
-    return Global_translator::depth_i();
+void
+Score_performer::announce_element (Audio_element_info info)
+{
+  announce_info_arr_.push (info);
+
+
+  /*
+    huh?
+    copied from score-engraver, but
+    this way staff gets in list twice
+  if (Audio_item* i = dynamic_cast<Audio_item*> (info.elem_l_))
+    performance_p_->add_element (i);
+  */
 }
 
 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;
+  Global_translator::prepare (m);
+  audio_column_l_ = new Audio_column (m);
+  play_element (audio_column_l_);
+  start_translation_timestep ();
 }
 
+
 void 
-Score_performer::prepare( Moment m )
+Score_performer::one_time_step ()
 {
-    now_mom_ = m;
+  // fixme: put this back.
+  // process_music ();
+  announces ();
+  stop_translation_timestep ();
+  check_removal ();
 }
 
-void 
-Score_performer::process()
+void
+Score_performer::start ()
+{
+}
+
+
+int
+Score_performer::get_tempo_i () const
+{
+  return performance_p_->midi_l_->get_tempo_i (Moment (Rational (1, 4)));
+}
+
+void
+Score_performer::finish ()
 {
-    process_requests();
-    prev_mom_ = now_mom_;
+  check_removal ();
+  removal_processing ();
 }
 
+Music_output *
+Score_performer::get_output_p ()
+{
+  Music_output * o = performance_p_;
+  performance_p_ =0;
+  return o;
+}
+
+void
+Score_performer::initialize ()
+{
+  unsmob_translator_def (definition_)->apply_property_operations (this);
+  assert (dynamic_cast<Midi_def *> (output_def_l_));
+  performance_p_ = new Performance;
+  performance_p_->midi_l_ = dynamic_cast<Midi_def*> (output_def_l_);
+
+  Translator_group::initialize ();
+}