Files
lmms/include/DummyInstrument.h

81 lines
1.9 KiB
C++

/*
* DummyInstrument.h - instrument used as fallback if an instrument couldn't
* be loaded
*
* Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* This program 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 2 of the License, or (at your option) any later version.
*
* This program 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 this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef DUMMY_INSTRUMENT_H
#define DUMMY_INSTRUMENT_H
#include "Instrument.h"
#include "InstrumentView.h"
#include "Engine.h"
#include <cstring>
#include "AudioEngine.h"
namespace lmms
{
class DummyInstrument : public Instrument
{
public:
DummyInstrument( InstrumentTrack * _instrument_track ) :
Instrument( _instrument_track, nullptr )
{
}
~DummyInstrument() override = default;
void playNote( NotePlayHandle *, sampleFrame * buffer ) override
{
memset( buffer, 0, sizeof( sampleFrame ) *
Engine::audioEngine()->framesPerPeriod() );
}
void saveSettings( QDomDocument &, QDomElement & ) override
{
}
void loadSettings( const QDomElement & ) override
{
}
QString nodeName() const override
{
return "dummyinstrument";
}
gui::PluginView * instantiateView( QWidget * _parent ) override
{
return new gui::InstrumentViewFixedSize( this, _parent );
}
} ;
} // namespace lmms
#endif