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/*
* audio_file_processor.h - declaration of class audioFileProcessor
* (instrument-plugin for using audio-files)
*
* Copyright (c) 2004-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* 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 _AUDIO_FILE_PROCESSOR_H
#define _AUDIO_FILE_PROCESSOR_H
#include <QtGui/QPixmap>
#include "Instrument.h"
#include "InstrumentView.h"
#include "sample_buffer.h"
#include "knob.h"
#include "pixmap_button.h"
class audioFileProcessor : public Instrument
{
Q_OBJECT
public:
audioFileProcessor( InstrumentTrack * _instrument_track );
virtual ~audioFileProcessor();
virtual void playNote( notePlayHandle * _n,
sampleFrame * _working_buffer );
virtual void deleteNotePluginData( notePlayHandle * _n );
virtual void saveSettings( QDomDocument & _doc,
QDomElement & _parent );
virtual void loadSettings( const QDomElement & _this );
virtual void loadFile( const QString & _file );
virtual QString nodeName() const;
virtual Uint32 getBeatLen( notePlayHandle * _n ) const;
virtual f_cnt_t desiredReleaseFrames() const
{
return( 128 );
}
virtual PluginView * instantiateView( QWidget * _parent );
public slots:
void setAudioFile( const QString & _audio_file, bool _rename = true );
private slots:
void reverseModelChanged();
void ampModelChanged();
void loopPointChanged();
private:
typedef sampleBuffer::handleState handleState;
sampleBuffer m_sampleBuffer;
FloatModel m_ampModel;
FloatModel m_startPointModel;
FloatModel m_endPointModel;
BoolModel m_reverseModel;
BoolModel m_loopModel;
friend class AudioFileProcessorView;
} ;
class AudioFileProcessorView : public InstrumentView
{
Q_OBJECT
public:
AudioFileProcessorView( Instrument * _instrument, QWidget * _parent );
virtual ~AudioFileProcessorView();
protected slots:
void sampleUpdated();
void openAudioFile();
protected:
virtual void dragEnterEvent( QDragEnterEvent * _dee );
virtual void dropEvent( QDropEvent * _de );
virtual void paintEvent( QPaintEvent * );
private:
virtual void modelChanged();
static QPixmap * s_artwork;
QPixmap m_graph;
knob * m_ampKnob;
knob * m_startKnob;
knob * m_endKnob;
pixmapButton * m_openAudioFileButton;
pixmapButton * m_reverseButton;
pixmapButton * m_loopButton;
} ;
#endif
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