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"
24 #include "audio-column.hh"
25 #include "audio-item.hh"
26 #include "audio-staff.hh"
27 #include "file-name.hh"
28 #include "international.hh"
29 #include "lily-version.hh"
31 #include "midi-chunk.hh"
32 #include "midi-stream.hh"
34 #include "string-convert.hh"
39 Performance::Performance (bool ports)
46 Performance::~Performance ()
48 junk_pointers (audio_elements_);
52 Performance::derived_mark () const
54 scm_gc_mark (header_);
58 Performance::get_header () const
64 Performance::set_header (SCM module)
66 assert (ly_is_module (module));
71 Performance::output (Midi_stream &midi_stream,
72 const string &performance_name) const
74 int tracks_ = audio_staffs_.size ();
76 midi_stream.write (Midi_header (1, tracks_, 384));
77 debug_output (_ ("Track...") + " ", false);
79 //Find the first Audio_item in the performance, so all staves start
82 for (vsize i = 0; i < audio_elements_.size (); i++)
83 if (Audio_item *item = dynamic_cast<Audio_item *>(audio_elements_[i]))
84 start_mom = std::min (start_mom, item->audio_column_->when ());
86 for (vsize i = 0; i < audio_staffs_.size (); i++)
88 Audio_staff *s = audio_staffs_[i];
89 if (Audio_control_track_staff *c =
90 dynamic_cast<Audio_control_track_staff *>(s))
92 // The control track, created by Control_track_performer, should
93 // contain a placeholder for the name of the MIDI sequence as its
94 // initial audio element. Fill in the name of the sequence to
95 // this element before outputting MIDI.
96 assert (!c->audio_items_.empty ());
98 dynamic_cast<Audio_text *>(c->audio_items_.front ());
100 assert (text->type_ == Audio_text::TRACK_NAME);
101 assert (text->text_string_ == "control track");
102 text->text_string_ = performance_name;
104 debug_output ("[" + ::to_string (i), true);
105 s->output (midi_stream, i, ports_, moment_to_ticks (start_mom));
106 debug_output ("]", false);
111 Performance::add_element (Audio_element *p)
113 audio_elements_.push_back (p);
117 Performance::write_output (string out, const string &performance_name) const
122 /* Maybe a bit crude, but we had this before */
123 File_name file_name (out);
124 out = file_name.to_string ();
126 Midi_stream midi_stream (out);
127 message (_f ("MIDI output to `%s'...", out));
129 output (midi_stream, performance_name);
130 progress_indication ("\n");
134 Performance::process ()