From 405c3ca7da36a3cb194d0ef8e889778ac350e3f2 Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Sun, 24 Mar 2002 19:48:07 +0000
Subject: [PATCH] lilypond-0.0.76

---
 lily/score-performer.cc | 110 +++++++++++++++++++++++++++++++++-------
 1 file changed, 93 insertions(+), 17 deletions(-)

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index 944f44e0cc..2e38539646 100644
--- a/lily/score-performer.cc
+++ b/lily/score-performer.cc
@@ -1,16 +1,21 @@
 /*
   score-performer.cc -- implement Score_performer
 
-  (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-                 Jan Nieuwenhuizen <jan@digicash.com>
+  (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
  */
 
+#include <time.h>
 #include "score-performer.hh"
 #include "input-translator.hh"
+#include "midi-def.hh"
 #include "midi-item.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);
 IMPLEMENT_STATIC_NAME(Score_performer);
@@ -18,13 +23,8 @@ ADD_THIS_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 );
+    midi_stream_p_ = 0;
+    midi_l_ = 0;
 }
 
 Score_performer::~Score_performer()
@@ -44,15 +44,68 @@ Score_performer::depth_i() const
     return Global_translator::depth_i();
 }
 
-void 
-Score_performer::play_event( Midi_item* l )
+void
+Score_performer::finish()
+{
+    *mlog << "MIDI output to " << midi_l_->outfile_str_ << " ..." << endl;    
+    *mlog << "tracks: ";
+    header();
+    Performer_group_performer::midi_output( midi_stream_p_ );
+    *mlog << endl;
+}
+
+Moment
+Score_performer::get_mom() const
 {
-//    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;
+    return now_mom_;
+}
+
+void
+Score_performer::header()
+{
+    int track_i = 0;
+    Midi_track midi_track( track_i );
+    
+    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 = "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: ";
+#if 0    
+    Source_file* sourcefile_l = source_l_g->sourcefile_l( score_l_->defined_ch_C_ );
+    if ( sourcefile_l )
+	str += sourcefile_l->name_str();
+#elif 1
+    str += score_l_->location_str();
+#else
+    str += score_l_->
+#endif
+    Midi_text from( Midi_text::TEXT, str );
+    midi_track.add( Moment( 0 ), &from );
+
+    // set track name
+    Midi_text track_name( Midi_text::TRACK_NAME, "Track " + String_convert::i2dec_str( 0, 0, '0' ) );
+    midi_track.add( Moment( 0 ), &track_name );
+
+    // ugh, to please lily when reparsing mi2mu output.
+    // lily currently barfs when no meter present.
+    /* are you sure? init is to 4/4 HWN */
+    Midi_time midi_time( 4, 4, 18 );
+    midi_track.add( Moment( 0.0 ), &midi_time );
+
+    *mlog << "[" << track_i << "]";
+    *midi_stream_p_  << midi_track;
 }
 
 void 
@@ -68,3 +121,26 @@ Score_performer::process()
     prev_mom_ = now_mom_;
 }
 
+void
+Score_performer::set_score( Score* score_l )
+{
+    /*
+     why's there no start() when there's a finish()?
+     let's misuse this for start()
+     */
+    Global_translator::set_score( score_l );
+    midi_l_ = score_l->midi_p_;
+}
+
+void
+Score_performer::start()
+{
+    int track_i = 1;
+    Performer_group_performer::set_track( midi_l_, track_i );
+
+    if ( midi_l_->outfile_str_ == "" )
+	midi_l_->outfile_str_ = default_out_fn + ".midi";
+    
+    midi_stream_p_ = new Midi_stream( midi_l_->outfile_str_, track_i, 384 );
+}
+
-- 
2.39.5