2 audio-score.cc -- implement Performance
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
12 #include "string-convert.hh"
14 #include "midi-def.hh"
15 #include "midi-item.hh"
16 #include "midi-stream.hh"
17 #include "audio-column.hh"
18 #include "audio-staff.hh"
19 #include "performance.hh"
22 Performance::Performance ()
28 Performance::add (Audio_column* p)
30 p->performance_l_ = this;
31 audio_column_p_list_.bottom().add (p);
35 Performance::output (Midi_stream& midi_stream_r)
37 int tracks_i = audio_staff_l_list_.size() + 1;
39 int clocks_per_4_i = 384;
40 midi_stream_r << Midi_header (1, tracks_i, clocks_per_4_i);
41 output_header_track (midi_stream_r);
43 for (PCursor<Audio_staff*> i (audio_staff_l_list_); i.ok(); i++)
44 i->output (midi_stream_r, n++);
48 Performance::output_header_track (Midi_stream& midi_stream_r)
50 Midi_track midi_track;
54 // perhaps multiple text events?
55 String str = String (_("Creator: ")) + get_version_str() + "\n";
57 Midi_text creator (Midi_text::TEXT, str);
58 midi_track.add (Moment (0), &creator);
60 str = _("Automatically generated at ");
62 str = str.left_str (str.length_i() - 1);
64 Midi_text generate (Midi_text::TEXT, str);
65 midi_track.add (Moment (0), &generate);
67 str = _("from musical definition: ");
70 Midi_text from (Midi_text::TEXT, str);
71 midi_track.add (Moment (0), &from);
73 Midi_text track_name (Midi_text::TRACK_NAME, "Track "
74 + String_convert::i2dec_str (0, 0, '0'));
75 midi_track.add (Moment (0), &track_name);
77 Midi_tempo tempo (midi_l_->get_tempo_i (Moment (1, 4)));
78 midi_track.add (Moment (0), &tempo);
80 midi_stream_r << midi_track;
84 Performance::add_staff (Audio_staff* l)
86 audio_staff_l_list_.bottom().add (l);
90 Performance::add (Audio_element *p)
92 audio_elem_p_list_.bottom().add (p);
96 Performance::print() const
99 DOUT << "Performance { ";
101 for (PCursor<Audio_element*> i (audio_elem_p_list_.top ()); i.ok (); i++)
104 DOUT << "\ncolumns: ";
105 for (PCursor<Audio_column*> i (audio_column_p_list_); i.ok(); i++)
112 Performance::process()
116 String out=midi_l_->outfile_str_;
120 out = default_outname_base_global;
121 int def = midi_l_->get_next_default_count ();
124 out += "-" + String(def);
130 Midi_stream midi_stream (out);
131 *mlog << _("MIDI output to ") << out<< " ..." << endl;
133 output (midi_stream);