DummyInstrument.h

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/*
 * 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 LMMS_DUMMY_INSTRUMENT_H
#define LMMS_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
        {
                zeroSampleFrames(buffer, 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 // LMMS_DUMMY_INSTRUMENT_H