2 performance.cc -- implement Performance
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 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"
23 Performance::Performance ()
29 Performance::add_column (Audio_column* p)
31 p->performance_l_ = this;
32 audio_column_p_list_.bottom().add (p);
36 Performance::output (Midi_stream& midi_stream_r)
38 int tracks_i = audio_staff_l_list_.size() + 1;
40 int clocks_per_4_i = 384;
41 midi_stream_r << Midi_header (1, tracks_i, clocks_per_4_i);
42 output_header_track (midi_stream_r);
44 for (PCursor<Audio_staff*> i (audio_staff_l_list_); i.ok(); i++)
45 i->output (midi_stream_r, n++);
49 Performance::output_header_track (Midi_stream& midi_stream_r)
51 Midi_track midi_track;
53 // perhaps multiple text events?
54 String str = String (_("Creator: "));
55 if (no_timestamps_global_b)
56 str += "GNU LilyPond\n";
58 str += get_version_str() + "\n";
60 Midi_text creator (Midi_text::TEXT, str);
61 midi_track.add (Moment (0), &creator);
63 str = _("Automatically generated");
64 if (no_timestamps_global_b)
71 str = str.left_str (str.length_i() - 1);
73 Midi_text generate (Midi_text::TEXT, str);
74 midi_track.add (Moment (0), &generate);
76 str = _f ("from musical definition: %s", origin_str_);
78 Midi_text from (Midi_text::TEXT, str);
79 midi_track.add (Moment (0), &from);
81 Midi_text track_name (Midi_text::TRACK_NAME, "Track "
82 + String_convert::i2dec_str (0, 0, '0'));
83 midi_track.add (Moment (0), &track_name);
85 Midi_tempo tempo (midi_l_->get_tempo_i (Moment (1, 4)));
86 midi_track.add (Moment (0), &tempo);
88 midi_stream_r << midi_track;
92 Performance::add_staff (Audio_staff* l)
94 audio_staff_l_list_.bottom().add (l);
98 Performance::add_element (Audio_element *p)
100 audio_elem_p_list_.bottom().add (p);
104 Performance::print() const
107 DOUT << "Performance { ";
109 for (PCursor<Audio_element*> i (audio_elem_p_list_.top ()); i.ok (); i++)
112 DOUT << "\ncolumns: ";
113 for (PCursor<Audio_column*> i (audio_column_p_list_); i.ok(); i++)
120 Performance::process()
124 String out = midi_l_->get_default_output ();
128 out = default_outname_base_global;
131 int def = midi_l_->get_next_default_count ();
134 out += "-" + to_str (def);
140 Midi_stream midi_stream (out);
141 *mlog << _f ("MIDI output to %s...", out) << endl;
142 target_str_global_array.push (out);
144 output (midi_stream);