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++)
48 Aargh, let's hear it for the MIDI standard.
49 MIDI players tend to ignore instrument settings on
50 channel 10, the percussion channel by default.
54 i->output (midi_stream_r, n++);
59 Performance::output_header_track (Midi_stream& midi_stream_r)
61 Midi_track midi_track;
63 // perhaps multiple text events?
64 String str = String (_("Creator: "));
65 if (no_timestamps_global_b)
66 str += gnu_lilypond_str ();
68 str += gnu_lilypond_version_str();
71 Midi_text creator (Midi_text::TEXT, str);
72 midi_track.add (Moment (0), &creator);
74 str = _("Automatically generated");
75 if (no_timestamps_global_b)
82 str = str.left_str (str.length_i() - 1);
84 Midi_text generate (Midi_text::TEXT, str);
85 midi_track.add (Moment (0), &generate);
87 str = _f ("from musical definition: %s", origin_str_);
89 Midi_text from (Midi_text::TEXT, str);
90 midi_track.add (Moment (0), &from);
92 Midi_text track_name (Midi_text::TRACK_NAME, "Track "
93 + String_convert::i2dec_str (0, 0, '0'));
94 midi_track.add (Moment (0), &track_name);
96 Midi_tempo tempo (midi_l_->get_tempo_i (Moment (1, 4)));
97 midi_track.add (Moment (0), &tempo);
99 midi_stream_r << midi_track;
103 Performance::add_staff (Audio_staff* l)
105 audio_staff_l_list_.bottom().add (l);
109 Performance::add_element (Audio_element *p)
111 audio_elem_p_list_.bottom().add (p);
115 Performance::print() const
118 DOUT << "Performance { ";
120 for (PCursor<Audio_element*> i (audio_elem_p_list_.top ()); i.ok (); i++)
123 DOUT << "\ncolumns: ";
124 for (PCursor<Audio_column*> i (audio_column_p_list_); i.ok(); i++)
131 Performance::process()
135 String out = midi_l_->get_default_output ();
139 out = default_outname_base_global;
142 int def = midi_l_->get_next_default_count ();
145 out += "-" + to_str (def);
151 Midi_stream midi_stream (out);
152 *mlog << _f ("MIDI output to %s...", out) << endl;
153 target_str_global_array.push (out);
155 output (midi_stream);