/*
- performance.cc -- implement Performance
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1997--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "performance.hh"
#include <ctime>
+using namespace std;
#include "audio-column.hh"
+#include "audio-item.hh"
#include "audio-staff.hh"
#include "file-name.hh"
+#include "international.hh"
#include "lily-version.hh"
#include "main.hh"
-#include "midi-item.hh"
+#include "midi-chunk.hh"
#include "midi-stream.hh"
#include "score.hh"
#include "string-convert.hh"
#include "warn.hh"
-#include "killing-cons.tcc"
-
-Performance::Performance ()
+Performance::Performance (bool ports)
+ : midi_ (0),
+ ports_ (ports)
{
- midi_ = 0;
- audio_element_list_ = 0;
}
Performance::~Performance ()
{
- delete audio_element_list_;
+ junk_pointers (audio_elements_);
}
void
-Performance::output (Midi_stream &midi_stream)
+Performance::output (Midi_stream &midi_stream) const
{
- int tracks_i = audio_staffs_.size () + 1;
+ int tracks_ = audio_staffs_.size ();
+
+ midi_stream.write (Midi_header (1, tracks_, 384));
+ debug_output (_ ("Track...") + " ", false);
- // ugh
- int clocks_per_4_i = 384;
+ //Find the first Audio_item in the performance, so all staves start
+ //at the same tick.
+ Moment start_mom = 0;
+ for (vsize i = 0; i < audio_elements_.size (); i++)
+ if (Audio_item *item = dynamic_cast<Audio_item *>(audio_elements_[i]))
+ start_mom = min (start_mom, item->audio_column_->when ());
- midi_stream << Midi_header (1, tracks_i, clocks_per_4_i);
- output_header_track (midi_stream);
- message (_ ("Track...") + " ");
- int channel = 0;
- for (int i = 0; i < audio_staffs_.size (); i++)
+ for (vsize i = 0; i < audio_staffs_.size (); i++)
{
Audio_staff *s = audio_staffs_[i];
- if (be_verbose_global)
- progress_indication ("[" + to_string (i));
-
- /*
- MIDI players tend to ignore instrument settings on
- channel 10, the percussion channel by default.
- */
- if (channel % 16 == 9)
- channel++;
-
- /*
- Huh? Why does each staff also have a separate channel? We
- should map channels to voices, not staves. --hwn.
- */
- if (s->channel_ < 0)
- {
- s->channel_ = channel % 16;
- if (channel > 15)
- {
- warning (_ ("MIDI channel wrapped around"));
- warning (_ ("remapping modulo 16"));
- }
- }
-
- s->output (midi_stream, channel++);
- if (be_verbose_global)
- progress_indication ("]");
+ debug_output ("[" + ::to_string (i), true);
+ s->output (midi_stream, i, ports_, moment_to_ticks (start_mom));
+ debug_output ("]", false);
}
}
-void
-Performance::output_header_track (Midi_stream &midi_stream)
-{
- Midi_track midi_track;
-
- midi_track.channel_ = 9;
-
- // perhaps multiple text events?
- String id_string;
- String str = String (_ ("Creator: "));
- id_string = String_convert::pad_to (gnu_lilypond_version_string (), 30);
- str += id_string;
-
- /*
- This seems silly, but in fact the audio elements should
- be generated elsewhere: not midi-specific.
- */
- Audio_text creator_a (Audio_text::TEXT, str);
- Midi_text creator (&creator_a);
- midi_track.add (Moment (0), &creator);
-
- /* Better not translate this */
- str = "Generated automatically by: ";
- str += id_string;
-
- Audio_text generate_a (Audio_text::TEXT, str);
- Midi_text generate (&generate_a);
- midi_track.add (Moment (0), &generate);
-
- str = _ ("at ");
- time_t t (time (0));
- str += ctime (&t);
- str = str.left_string (str.length () - 1);
- str = String_convert::pad_to (str, 60);
-
- Audio_text at_a (Audio_text::TEXT, str);
- Midi_text at (&at_a);
- midi_track.add (Moment (0), &at);
-
- // TODO:
- // str = _f ("from musical definition: %s", origin_string_);
-
- Audio_text from_a (Audio_text::TEXT, str);
- Midi_text from (&from_a);
- midi_track.add (Moment (0), &from);
-
- Audio_text track_name_a (Audio_text::TRACK_NAME, "Track "
- + String_convert::int2dec (0, 0, '0'));
- Midi_text track_name (&track_name_a);
-
- midi_track.add (Moment (0), &track_name);
-
- // Some sequencers read track 0 last.
- // Audio_tempo tempo_a (midi_->get_tempo (Moment (Rational (1, 4))));
- // Midi_tempo tempo (&tempo_a);
- // midi_track.add (Moment (0), &tempo);
-
- midi_stream << midi_track;
-}
-
void
Performance::add_element (Audio_element *p)
{
- if (Audio_staff *s = dynamic_cast<Audio_staff *> (p))
- {
- audio_staffs_.push (s);
- }
- audio_element_list_ = new Killing_cons<Audio_element> (p, audio_element_list_);
+ audio_elements_.push_back (p);
}
-
void
-Performance::write_output (String out)
+Performance::write_output (string out) const
{
if (out == "-")
out = "lelie.midi";
/* Maybe a bit crude, but we had this before */
File_name file_name (out);
- file_name.ext_ = "midi";
out = file_name.to_string ();
Midi_stream midi_stream (out);
output (midi_stream);
progress_indication ("\n");
}
+
+void
+Performance::process ()
+{
+}
projects / lilypond.git / blobdiff