2 score-performer.cc -- implement Score_performer
4 (c) 1996, 1997 Jan Nieuwenhuizen <jan@digicash.com>
8 #include "score-performer.hh"
9 #include "input-translator.hh"
10 #include "midi-def.hh"
11 #include "midi-item.hh"
12 #include "midi-stream.hh"
13 #include "string-convert.hh"
17 #include "source-file.hh"
20 IMPLEMENT_IS_TYPE_B1(Score_performer,Performer_group_performer);
21 IMPLEMENT_STATIC_NAME(Score_performer);
22 ADD_THIS_PERFORMER(Score_performer);
24 Score_performer::Score_performer()
30 Score_performer::~Score_performer()
32 delete midi_stream_p_;
36 Score_performer::ancestor_l( int l )
38 return Global_translator::ancestor_l( l );
42 Score_performer::depth_i() const
44 return Global_translator::depth_i();
48 Score_performer::finish()
50 *mlog << "MIDI output to " << midi_l_->outfile_str_ << " ..." << endl;
53 Performer_group_performer::midi_output( midi_stream_p_ );
58 Score_performer::get_mom() const
64 Score_performer::header()
67 Midi_track midi_track( track_i );
71 // perhaps multiple text events?
72 String str = String( "Creator: " ) + get_version_str() + "\n";
74 Midi_text creator( Midi_text::TEXT, str );
75 midi_track.add( Moment( 0 ), &creator );
77 str = "Generated, at ";
79 str = str.left_str( str.length_i() - 1 );
81 Midi_text generate( Midi_text::TEXT, str );
82 midi_track.add( Moment( 0 ), &generate );
84 str = "from musical definition: ";
86 Source_file* sourcefile_l = source_l_g->sourcefile_l( score_l_->defined_ch_C_ );
88 str += sourcefile_l->name_str();
90 str += score_l_->location_str();
94 Midi_text from( Midi_text::TEXT, str );
95 midi_track.add( Moment( 0 ), &from );
98 Midi_text track_name( Midi_text::TRACK_NAME, "Track " + String_convert::i2dec_str( 0, 0, '0' ) );
99 midi_track.add( Moment( 0 ), &track_name );
101 // ugh, to please lily when reparsing mi2mu output.
102 // lily currently barfs when no meter present.
103 /* are you sure? init is to 4/4 HWN */
104 Midi_time midi_time( 4, 4, 18 );
105 midi_track.add( Moment( 0.0 ), &midi_time );
107 *mlog << "[" << track_i << "]";
108 *midi_stream_p_ << midi_track;
112 Score_performer::prepare( Moment m )
118 Score_performer::process()
121 prev_mom_ = now_mom_;
125 Score_performer::set_score( Score* score_l )
128 why's there no start() when there's a finish()?
129 let's misuse this for start()
131 Global_translator::set_score( score_l );
132 midi_l_ = score_l->midi_p_;
136 Score_performer::start()
139 Performer_group_performer::set_track( midi_l_, track_i );
141 if ( midi_l_->outfile_str_ == "" )
142 midi_l_->outfile_str_ = default_out_fn + ".midi";
144 midi_stream_p_ = new Midi_stream( midi_l_->outfile_str_, track_i, 384 );