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diff --git a/src/gui/editors/parameters/AudioInstrumentParameterPanel.h b/src/gui/editors/parameters/AudioInstrumentParameterPanel.h
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+
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _RG_AUDIOINSTRUMENTPARAMETERPANEL_H_
+#define _RG_AUDIOINSTRUMENTPARAMETERPANEL_H_
+
+#include "base/MidiProgram.h"
+#include "InstrumentParameterPanel.h"
+#include <qpixmap.h>
+#include <qstring.h>
+
+
+class QWidget;
+class QColor;
+
+
+namespace Rosegarden
+{
+
+class RosegardenGUIDoc;
+class Instrument;
+class AudioFaderBox;
+
+
+class AudioInstrumentParameterPanel : public InstrumentParameterPanel
+{
+    Q_OBJECT
+public:
+    AudioInstrumentParameterPanel(RosegardenGUIDoc* doc, QWidget* parent);
+
+    virtual void setupForInstrument(Instrument*);
+
+    // Set the audio meter to a given level for a maximum of
+    // two channels.
+    //
+    void setAudioMeter(float dBleft, float dBright,
+                       float recDBleft, float recDBright);
+
+    // Set the button colour
+    //
+    void setButtonColour(int pluginIndex, bool bypassState, 
+                         const QColor &color);
+
+public slots:
+    // From AudioFaderBox
+    //
+    void slotSelectAudioLevel(float dB);
+    void slotSelectAudioRecordLevel(float dB);
+    void slotAudioChannels(int channels);
+    void slotAudioRoutingChanged();
+    void slotSelectPlugin(int index);
+
+    // From the parameter box clicks
+    void slotSetPan(float pan);
+
+    // From Plugin dialog
+    //
+    void slotPluginSelected(InstrumentId id, int index, int plugin);
+    void slotPluginBypassed(InstrumentId id, int pluginIndex, bool bp);
+
+    void slotSynthButtonClicked();
+    void slotSynthGUIButtonClicked();
+
+signals:
+    void selectPlugin(QWidget *, InstrumentId, int index);
+    void instrumentParametersChanged(InstrumentId);
+    void showPluginGUI(InstrumentId, int index);
+    void changeInstrumentLabel(InstrumentId id, QString label);
+
+protected:
+    //--------------- Data members ---------------------------------
+
+    AudioFaderBox   *m_audioFader;
+
+private:
+
+    QPixmap                                      m_monoPixmap;
+    QPixmap                                      m_stereoPixmap;
+
+};
+
+
+}
+
+#endif