2 performance.cc -- implement Performance
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Jan Nieuwenhuizen <janneke@gnu.org>
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"
21 #include "file-results.hh"
22 #include "lily-version.hh"
24 Performance::Performance ()
30 Performance::add_column (Audio_column* p)
32 p->performance_l_ = this;
33 audio_column_p_list_.bottom().add (p);
37 Performance::output (Midi_stream& midi_stream_r)
39 int tracks_i = audio_staff_l_list_.size() + 1;
41 int clocks_per_4_i = 384;
42 midi_stream_r << Midi_header (1, tracks_i, clocks_per_4_i);
43 output_header_track (midi_stream_r);
45 for (PCursor<Audio_staff*> i (audio_staff_l_list_); i.ok(); i++)
46 i->output (midi_stream_r, n++);
50 Performance::output_header_track (Midi_stream& midi_stream_r)
52 Midi_track midi_track;
54 // perhaps multiple text events?
55 String str = String (_("Creator: "));
56 if (no_timestamps_global_b)
57 str += gnu_lilypond_str ();
59 str += gnu_lilypond_version_str();
62 Midi_text creator (Midi_text::TEXT, str);
63 midi_track.add (Moment (0), &creator);
65 str = _("Automatically generated");
66 if (no_timestamps_global_b)
73 str = str.left_str (str.length_i() - 1);
75 Midi_text generate (Midi_text::TEXT, str);
76 midi_track.add (Moment (0), &generate);
78 str = _f ("from musical definition: %s", origin_str_);
80 Midi_text from (Midi_text::TEXT, str);
81 midi_track.add (Moment (0), &from);
83 Midi_text track_name (Midi_text::TRACK_NAME, "Track "
84 + String_convert::i2dec_str (0, 0, '0'));
85 midi_track.add (Moment (0), &track_name);
87 Midi_tempo tempo (midi_l_->get_tempo_i (Moment (1, 4)));
88 midi_track.add (Moment (0), &tempo);
90 midi_stream_r << midi_track;
94 Performance::add_staff (Audio_staff* l)
96 audio_staff_l_list_.bottom().add (l);
100 Performance::add_element (Audio_element *p)
102 audio_elem_p_list_.bottom().add (p);
106 Performance::print() const
109 DOUT << "Performance { ";
111 for (PCursor<Audio_element*> i (audio_elem_p_list_.top ()); i.ok (); i++)
114 DOUT << "\ncolumns: ";
115 for (PCursor<Audio_column*> i (audio_column_p_list_); i.ok(); i++)
122 Performance::process()
126 String out = midi_l_->get_default_output ();
130 out = default_outname_base_global;
133 int def = midi_l_->get_next_default_count ();
136 out += "-" + to_str (def);
142 Midi_stream midi_stream (out);
143 *mlog << _f ("MIDI output to %s...", out) << endl;
144 target_str_global_array.push (out);
146 output (midi_stream);