release: 1.5.13

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

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index df8ff16747e06cf2d3f89a8a20c43d34ef025d63..ea2926c5bc45b176a162f5c4d065587201b8c85a 100644 (file)
--- a/lily/score-performer.cc
+++ b/lily/score-performer.cc
@@ -1,151 +1,120 @@
 /*
   score-performer.cc -- implement Score_performer
 
-  (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1996--2001 Jan Nieuwenhuizen <janneke@gnu.org>
  */
 
-#include <time.h>
 #include "score-performer.hh"
-#include "input-translator.hh"
 #include "midi-def.hh"
-#include "midi-item.hh"
+#include "audio-column.hh"
+#include "audio-item.hh"
+#include "performance.hh"
 #include "midi-stream.hh"
 #include "string-convert.hh"
 #include "debug.hh"
-#include "main.hh"
-#include "score.hh"
-#include "source-file.hh"
-#include "source.hh"
+#include "translator-def.hh"
 
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-ADD_THIS_PERFORMER(Score_performer);
 
-Score_performer::Score_performer()
-{
-    midi_l_ = 0;
-}
 
-Score_performer::~Score_performer()
-{
-}
+ENTER_DESCRIPTION(Score_performer,
+/* descr */       "",
+/* creats*/       "",
+/* acks  */       "",
+/* reads */       "",
+/* write */       "");
 
-Translator* 
-Score_performer::ancestor_l( int l ) 
-{ 
-    return Global_translator::ancestor_l( l );
-}
-
-int 
-Score_performer::depth_i() const 
-{ 
-    return Global_translator::depth_i();
-}
 
-void
-Score_performer::finish()
+Score_performer::Score_performer ()
 {
-    Performer_group_performer::do_removal_processing();
-
-
-    Midi_stream output_stream( midi_l_->outfile_str_, midi_item_p_arr_.size() + 1, 384 );    
-    *mlog << "MIDI output to " << midi_l_->outfile_str_ << " ..." << endl;    
-
-    header( output_stream);
-    int track_i = 1;
-    for (int i=0; i<  midi_item_p_arr_.size(); i++) {
-       Midi_item * it_p = midi_item_p_arr_[i];
-       
-       if ( it_p->is_type_b( Midi_track::static_name()))
-           ((Midi_track*)it_p )->number_i_ = track_i ++;
-       output_stream<< *it_p;
-    }
-    *output_stream.os_p_ << flush;
-    *mlog << endl;
+  performance_p_ = 0;
 }
 
-void
-Score_performer::play_event(Midi_item*m)
+
+Score_performer::~Score_performer ()
 {
-    midi_item_p_arr_.push(m);
 }
 
-Moment
-Score_performer::get_mom() const
+void
+Score_performer::play_element (Audio_element * p)
 {
-    return now_mom_;
+  if (Audio_item * i=dynamic_cast<Audio_item *> (p)) 
+    {
+      audio_column_l_->add_audio_item (i);
+    }
+  performance_p_->add_element (p);
 }
 
 void
-Score_performer::header(Midi_stream &output_stream)
+Score_performer::announce_element (Audio_element_info info)
 {
-    Midi_track midi_track;
-    
-    time_t t = time( 0 );
-
-    // perhaps multiple text events?
-    String str = String( "Creator: " ) + get_version_str() + "\n";
+  announce_info_arr_.push (info);
 
-    Midi_text creator( Midi_text::TEXT, str );
-    midi_track.add( Moment( 0 ), &creator );
 
-    str = "Automatically generated at ";
-    str += ctime( &t );
-    str = str.left_str( str.length_i() - 1 );
-    str += "\n";
-    Midi_text generate( Midi_text::TEXT, str );
-    midi_track.add( Moment( 0 ), &generate );
-
-    str = "from musical definition: ";
-
-    str += score_l_->location_str();
-    Midi_text from( Midi_text::TEXT, str );
-    midi_track.add( Moment( 0 ), &from );
-
-    Midi_text track_name( Midi_text::TRACK_NAME, "Track " 
-                         + String_convert::i2dec_str( 0, 0, '0' ) );
-    midi_track.add( Moment( 0 ), &track_name );
-
-    Midi_tempo tempo ( get_tempo_i());
-    midi_track.add( Moment(0), &tempo);
-
-    output_stream  << midi_track;
+  /*
+    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::prepare( Moment m )
+Score_performer::prepare (Moment m)
 {
-    now_mom_ = m;
+  Global_translator::prepare (m);
+  audio_column_l_ = new Audio_column (m);
+  play_element (audio_column_l_);
+  start_translation_timestep ();
 }
 
+
 void 
-Score_performer::process()
+Score_performer::one_time_step ()
 {
-    process_requests();
-    prev_mom_ = now_mom_;
+  // fixme: put this back.
+  // process_music ();
+  announces ();
+  stop_translation_timestep ();
+  check_removal ();
 }
 
 void
-Score_performer::set_score(Score* score_l )
+Score_performer::start ()
 {
-    Global_translator::set_score( score_l );
-    midi_l_ = score_l->midi_p_;
 }
 
-void
-Score_performer::start()
+
+int
+Score_performer::get_tempo_i () const
 {
-    //<ugh>
-    int track_i = 1;
-    Performer_group_performer::set_track( track_i );
-    //</ugh>
+  return performance_p_->midi_l_->get_tempo_i (Moment (Rational (1, 4)));
+}
 
-    if ( midi_l_->outfile_str_ == "" )
-       midi_l_->outfile_str_ = default_out_fn + ".midi";
+void
+Score_performer::finish ()
+{
+  check_removal ();
+  removal_processing ();
 }
 
+Music_output *
+Score_performer::get_output_p ()
+{
+  Music_output * o = performance_p_;
+  performance_p_ =0;
+  return o;
+}
 
-int
-Score_performer::get_tempo_i()const
+void
+Score_performer::initialize ()
 {
-    return midi_l_->get_tempo_i(Moment( 1, 4 ));
+  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 ();
 }