90 lines
2.0 KiB
C++
90 lines
2.0 KiB
C++
/*
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* Copyright (C) 2010-2012 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2011-2012 David Robillard <d@drobilla.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <sigc++/bind.h>
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#include <glibmm/main.h>
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#include "ardour/midi_track.h"
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#include "note_player.h"
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using namespace ARDOUR;
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using namespace std;
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NotePlayer::NotePlayer (std::shared_ptr<MidiTrack> mt)
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: track (mt)
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{
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}
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NotePlayer::~NotePlayer ()
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{
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clear ();
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}
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void
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NotePlayer::add (std::shared_ptr<NoteType> note)
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{
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notes.push_back (note);
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}
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void
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NotePlayer::clear ()
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{
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off ();
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notes.clear ();
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}
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void
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NotePlayer::on ()
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{
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for (Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
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track->write_immediate_event (Evoral::MIDI_EVENT, (*n)->on_event().size(), (*n)->on_event().buffer());
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}
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}
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void
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NotePlayer::play ()
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{
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on ();
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/* note: if there is more than 1 note, we will silence them all at the same time
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*/
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const uint32_t note_length_ms = 100;
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Glib::signal_timeout().connect (sigc::bind (sigc::ptr_fun (&NotePlayer::_off), this),
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note_length_ms, G_PRIORITY_DEFAULT);
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}
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bool
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NotePlayer::_off (NotePlayer* np)
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{
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np->off ();
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delete np;
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return false;
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}
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void
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NotePlayer::off ()
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{
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for (Notes::iterator n = notes.begin(); n != notes.end(); ++n) {
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track->write_immediate_event (Evoral::MIDI_EVENT, (*n)->off_event().size(), (*n)->off_event().buffer());
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}
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}
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