Fix some bugs in the dynamic engraver and PostScript backend

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

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index 5d3c98b84263ed13a54cdd8924ad108c59f1de91..5bff2797dac2ded126f08553acd8e2a15e166544 100644 (file)
--- a/lily/score-performer.cc
+++ b/lily/score-performer.cc
@@ -1,143 +1,129 @@
 /*
   score-performer.cc -- implement Score_performer
 
-  (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
- */
+  source file of the GNU LilyPond music typesetter
 
-#include <time.h>
+  (c) 1996--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
+
+#include "moment.hh"
 #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"
-
-IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
-ADD_THIS_PERFORMER(Score_performer);
-
-Score_performer::Score_performer()
+#include "warn.hh"
+#include "context-def.hh"
+#include "output-def.hh"
+#include "context.hh"
+
+ADD_TRANSLATOR_GROUP (Score_performer,
+                     /* doc */ "",
+                     /* create */ "",
+                     /* accept */ "",
+                     /* read */ "",
+                     /* write */ "");
+
+Score_performer::Score_performer ()
 {
-    midi_l_ = 0;
+  performance_ = 0;
+  skipping_ = false;
 }
 
-Score_performer::~Score_performer()
+Score_performer::~Score_performer ()
 {
 }
 
-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::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::finish()
+Score_performer::announce_element (Audio_element_info info)
 {
-    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;
+  announce_infos_.push_back (info);
 }
 
 void
-Score_performer::play_event(Midi_item*m)
+Score_performer::prepare (Moment m)
 {
-    midi_item_p_arr_.push(m);
+  audio_column_ = new Audio_column (m);
+  play_element (audio_column_);
+  precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP);
 }
 
-Moment
-Score_performer::get_mom() const
+void
+Score_performer::finish ()
 {
-    return now_mom_;
+  recurse_over_translators (context (),
+                           &Translator::finalize,
+                           &Translator_group::finalize,
+                           UP);
 }
 
 void
-Score_performer::header(Midi_stream &output_stream)
+Score_performer::one_time_step ()
 {
-    Midi_track midi_track;
-    
-    time_t t = time( 0 );
-
-    // perhaps multiple text events?
-    String str = String( "Creator: " ) + get_version_str() + "\n";
-
-    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 );
+  if (to_boolean (context ()->get_property ("skipTypesetting")))
+    {
+      if (!skipping_)
+        {
+         skip_start_mom_ = audio_column_->at_mom ();
+         skipping_ = true;
+        }
+    }
+  else
+    {
+      if (skipping_)
+        {
+         offset_mom_ -= audio_column_->at_mom () - skip_start_mom_;
+         skipping_ = false;
+       }
+
+      audio_column_->offset_at_mom (offset_mom_);
+      precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
+      do_announces ();
+    }
 
-    output_stream  << midi_track;
+  precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
 }
 
-void 
-Score_performer::prepare( Moment m )
+int
+Score_performer::get_tempo () const
 {
-    now_mom_ = m;
+  return ::get_tempo (performance_->midi_, Moment (Rational (1, 4)));
 }
 
-void 
-Score_performer::process()
+SCM
+Score_performer::get_output ()
 {
-    process_requests();
-    prev_mom_ = now_mom_;
+  Music_output *o = performance_;
+  performance_ = 0;
+  return o->self_scm ();
 }
 
 void
-Score_performer::set_score(Score* score_l )
+Score_performer::derived_mark () const
 {
-    Global_translator::set_score( score_l );
-    midi_l_ = score_l->midi_p_;
+  if (performance_)
+    scm_gc_mark (performance_->self_scm ());
+
+  Score_translator::derived_mark ();
+  Performer_group::derived_mark ();
 }
 
 void
-Score_performer::start()
+Score_performer::initialize ()
 {
-    if ( midi_l_->outfile_str_ == "" )
-       midi_l_->outfile_str_ = default_out_fn + ".midi";
-}
+  performance_ = new Performance;
+  performance_->unprotect ();
+  performance_->midi_ = context ()->get_output_def ();
 
-
-int
-Score_performer::get_tempo_i()const
-{
-    return midi_l_->get_tempo_i(Moment( 1, 4 ));
+  Translator_group::initialize ();
 }