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)
44 Performance::~Performance ()
46 junk_pointers (audio_elements_);
50 Performance::output (Midi_stream &midi_stream) const
52 int tracks_ = audio_staffs_.size ();
54 midi_stream.write (Midi_header (1, tracks_, 384));
55 debug_output (_ ("Track...") + " ", false);
57 //Find the first Audio_item in the performance, so all staves start
60 for (vsize i = 0; i < audio_elements_.size (); i++)
61 if (Audio_item *item = dynamic_cast<Audio_item *>(audio_elements_[i]))
62 start_mom = min (start_mom, item->audio_column_->when ());
64 for (vsize i = 0; i < audio_staffs_.size (); i++)
66 Audio_staff *s = audio_staffs_[i];
67 debug_output ("[" + ::to_string (i), true);
68 s->output (midi_stream, i, ports_, moment_to_ticks (start_mom));
69 debug_output ("]", false);
74 Performance::add_element (Audio_element *p)
76 audio_elements_.push_back (p);
80 Performance::write_output (string out) const
85 /* Maybe a bit crude, but we had this before */
86 File_name file_name (out);
87 out = file_name.to_string ();
89 Midi_stream midi_stream (out);
90 message (_f ("MIDI output to `%s'...", out));
93 progress_indication ("\n");
97 Performance::process ()