2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2015 Jan Nieuwenhuizen <janneke@gnu.org>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "performance.hh"
25 #include "audio-column.hh"
26 #include "audio-item.hh"
27 #include "audio-staff.hh"
28 #include "file-name.hh"
29 #include "international.hh"
30 #include "lily-version.hh"
32 #include "midi-chunk.hh"
33 #include "midi-stream.hh"
35 #include "string-convert.hh"
38 Performance::Performance (bool ports)
45 Performance::~Performance ()
47 junk_pointers (audio_elements_);
51 Performance::derived_mark () const
53 scm_gc_mark (header_);
57 Performance::get_header () const
63 Performance::set_header (SCM module)
65 assert (ly_is_module (module));
70 Performance::output (Midi_stream &midi_stream,
71 const string &performance_name) const
73 int tracks_ = audio_staffs_.size ();
75 midi_stream.write (Midi_header (1, tracks_, 384));
76 debug_output (_ ("Track...") + " ", false);
78 //Find the first Audio_item in the performance, so all staves start
81 for (vsize i = 0; i < audio_elements_.size (); i++)
82 if (Audio_item *item = dynamic_cast<Audio_item *>(audio_elements_[i]))
83 start_mom = min (start_mom, item->audio_column_->when ());
85 for (vsize i = 0; i < audio_staffs_.size (); i++)
87 Audio_staff *s = audio_staffs_[i];
88 if (Audio_control_track_staff *c =
89 dynamic_cast<Audio_control_track_staff *>(s))
91 // The control track, created by Control_track_performer, should
92 // contain a placeholder for the name of the MIDI sequence as its
93 // initial audio element. Fill in the name of the sequence to
94 // this element before outputting MIDI.
95 assert (!c->audio_items_.empty ());
97 dynamic_cast<Audio_text *>(c->audio_items_.front ());
99 assert (text->type_ == Audio_text::TRACK_NAME);
100 assert (text->text_string_ == "control track");
101 text->text_string_ = performance_name;
103 debug_output ("[" + ::to_string (i), true);
104 s->output (midi_stream, i, ports_, moment_to_ticks (start_mom));
105 debug_output ("]", false);
110 Performance::add_element (Audio_element *p)
112 audio_elements_.push_back (p);
116 Performance::write_output (string out, const string &performance_name) const
121 /* Maybe a bit crude, but we had this before */
122 File_name file_name (out);
123 out = file_name.to_string ();
125 Midi_stream midi_stream (out);
126 message (_f ("MIDI output to `%s'...", out));
128 output (midi_stream, performance_name);
129 progress_indication ("\n");
133 Performance::process ()