Amplifier

plugins/Amplifier/Amplifier.cpp

@@ -0,0 +1,125 @@
+/*
+ * Amplifier.cpp - A native amplifier effect plugin with sample-exact amplification
+ *
+ * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
+ * Copyright (c) 2006-2014 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.
+ *
+ */
+
+#include "Amplifier.h"
+
+#include "embed.cpp"
+
+
+extern "C"
+{
+
+Plugin::Descriptor PLUGIN_EXPORT amplifier_plugin_descriptor =
+{
+	STRINGIFY( PLUGIN_NAME ),
+	"Amplifier",
+	QT_TRANSLATE_NOOP( "pluginBrowser", "A native amplifier plugin" ),
+	"Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>",
+	0x0100,
+	Plugin::Effect,
+	new PluginPixmapLoader( "logo" ),
+	NULL,
+	NULL
+} ;
+
+}
+
+
+
+AmplifierEffect::AmplifierEffect( Model* parent, const Descriptor::SubPluginFeatures::Key* key ) :
+	Effect( &amplifier_plugin_descriptor, parent, key ),
+	m_ampControls( this )
+{
+}
+
+
+
+
+AmplifierEffect::~AmplifierEffect()
+{
+}
+
+
+
+
+bool AmplifierEffect::processAudioBuffer( sampleFrame* buf, const fpp_t frames )
+{
+	if( !isEnabled() || !isRunning () )
+	{
+		return( false );
+	}
+
+	double outSum = 0.0;
+	const float d = dryLevel();
+	const float w = wetLevel();
+	for( fpp_t f = 0; f < frames; ++f )
+	{
+//		qDebug( "offset %d, value %f", f, m_ampControls.m_volumeModel.value( f ) );
+		
+		sample_t s[2] = { buf[f][0], buf[f][1] };
+
+		// convert vol/pan values to left/right values
+		const float left1 = m_ampControls.m_volumeModel.value( f ) *
+			( m_ampControls.m_panModel.value( f ) <= 0
+			? 1.0
+			: 1.0 - m_ampControls.m_panModel.value( f ) / 100.0 );
+		const float right1 = m_ampControls.m_volumeModel.value( f ) *
+			( m_ampControls.m_panModel.value( f ) >= 0
+			? 1.0
+			: 1.0 + m_ampControls.m_panModel.value( f ) / 100.0 );
+
+		// first stage amplification
+		s[0] *= ( left1 / 100.0 );
+		s[1] *= ( right1 / 100.0 );
+
+		// second stage amplification
+		s[0] *= ( m_ampControls.m_leftModel.value( f ) / 100.0 );
+		s[1] *= ( m_ampControls.m_rightModel.value( f ) / 100.0 );
+
+		buf[f][0] = d * buf[f][0] + w * s[0];
+		buf[f][1] = d * buf[f][1] + w * s[1];
+		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
+	}
+
+	checkGate( outSum / frames );
+
+	return isRunning();
+}
+
+
+
+
+
+extern "C"
+{
+
+// necessary for getting instance out of shared lib
+Plugin * PLUGIN_EXPORT lmms_plugin_main( Model* parent, void* data )
+{
+	return new AmplifierEffect( parent, static_cast<const Plugin::Descriptor::SubPluginFeatures::Key *>( data ) );
+}
+
+}
+

plugins/Amplifier/Amplifier.h

@@ -0,0 +1,54 @@
+/*
+ * Amplifier.h - amplifier-effect-plugin
+ *
+ * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
+ * Copyright (c) 2006-2014 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 AMPLIFIER_H
+#define AMPLIFIER_H
+
+#include "Effect.h"
+#include "AmplifierControls.h"
+
+
+class AmplifierEffect : public Effect
+{
+public:
+	AmplifierEffect( Model* parent, const Descriptor::SubPluginFeatures::Key* key );
+	virtual ~AmplifierEffect();
+	virtual bool processAudioBuffer( sampleFrame* buf, const fpp_t frames );
+
+	virtual EffectControls* controls()
+	{
+		return &m_ampControls;
+	}
+
+
+private:
+	AmplifierControls m_ampControls;
+
+	friend class AmplifierControls;
+
+} ;
+
+#endif

plugins/Amplifier/AmplifierControlDialog.cpp

@@ -0,0 +1,69 @@
+/*
+ * AmplifierControlDialog.cpp - control dialog for amplifier effect
+ *
+ * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
+ * Copyright (c) 2006-2014 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.
+ *
+ */
+
+#include <QtGui/QLayout>
+
+#include "AmplifierControlDialog.h"
+#include "AmplifierControls.h"
+#include "embed.h"
+
+
+
+AmplifierControlDialog::AmplifierControlDialog( AmplifierControls* controls ) :
+	EffectControlDialog( controls )
+{
+	setAutoFillBackground( true );
+	QPalette pal;
+	pal.setBrush( backgroundRole(), PLUGIN_NAME::getIconPixmap( "artwork" ) );
+	setPalette( pal );
+	setFixedSize( 100, 125 );
+
+	knob * volumeKnob = new knob( knobBright_26, this);
+	volumeKnob -> move( 20, 30 );
+	volumeKnob -> setVolumeKnob( true );
+	volumeKnob->setModel( &controls->m_volumeModel );
+	volumeKnob->setLabel( tr( "VOL" ) );
+	volumeKnob->setHintText( tr( "Volume:" ) + " ", "%" );
+
+	knob * panKnob = new knob( knobBright_26, this);
+	panKnob -> move( 60, 30 );
+	panKnob->setModel( &controls->m_panModel );
+	panKnob->setLabel( tr( "PAN" ) );
+	panKnob->setHintText( tr( "Panning:" ) + " ", "" );
+
+	knob * leftKnob = new knob( knobBright_26, this);
+	leftKnob -> move( 20, 80 );
+	leftKnob -> setVolumeKnob( true );
+	leftKnob->setModel( &controls->m_leftModel );
+	leftKnob->setLabel( tr( "LEFT" ) );
+	leftKnob->setHintText( tr( "Left gain:" ) + " ", "%" );
+
+	knob * rightKnob = new knob( knobBright_26, this);
+	rightKnob -> move( 60, 80 );
+	rightKnob -> setVolumeKnob( true );
+	rightKnob->setModel( &controls->m_rightModel );
+	rightKnob->setLabel( tr( "RIGHT" ) );
+	rightKnob->setHintText( tr( "Right gain:" ) + " ", "%" );
+}

plugins/Amplifier/AmplifierControlDialog.h

@@ -0,0 +1,45 @@
+/*
+ * AmplifierControlDialog.h - control dialog for amplifier effect
+ *
+ * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
+ * Copyright (c) 2006-2014 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 AMPLIFIER_CONTROL_DIALOG_H
+#define AMPLIFIER_CONTROL_DIALOG_H
+
+#include "EffectControlDialog.h"
+
+
+class AmplifierControls;
+
+
+class AmplifierControlDialog : public EffectControlDialog
+{
+public:
+	AmplifierControlDialog( AmplifierControls* controls );
+	virtual ~AmplifierControlDialog()
+	{
+	}
+
+} ;
+
+#endif

plugins/Amplifier/AmplifierControls.cpp

@@ -0,0 +1,82 @@
+/*
+ * AmplifierControls.cpp - controls for amplifier effect
+ *
+ * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
+ * Copyright (c) 2008-2014 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.
+ *
+ */
+
+
+#include <QtXml/QDomElement>
+
+#include "AmplifierControls.h"
+#include "Amplifier.h"
+#include "engine.h"
+#include "song.h"
+
+
+AmplifierControls::AmplifierControls( AmplifierEffect* effect ) :
+	EffectControls( effect ),
+	m_effect( effect ),
+	m_volumeModel( 100.0f, 0.0f, 200.0f, 0.1f, this, tr( "Volume" ) ),
+	m_panModel( 0.0f, -100.0f, 100.0f, 0.1f, this, tr( "Panning" ) ),
+	m_leftModel( 100.0f, 0.0f, 200.0f, 0.1f, this, tr( "Left gain" ) ),
+	m_rightModel( 100.0f, 0.0f, 200.0f, 0.1f, this, tr( "Right gain" ) )
+{
+	connect( &m_volumeModel, SIGNAL( dataChanged() ), this, SLOT( changeControl() ) );
+	connect( &m_panModel, SIGNAL( dataChanged() ), this, SLOT( changeControl() ) );
+	connect( &m_leftModel, SIGNAL( dataChanged() ), this, SLOT( changeControl() ) );
+	connect( &m_rightModel, SIGNAL( dataChanged() ), this, SLOT( changeControl() ) );
+}
+
+
+
+
+void AmplifierControls::changeControl()
+{
+	engine::getSong()->setModified();
+}
+
+
+
+
+void AmplifierControls::loadSettings( const QDomElement& _this )
+{
+	m_volumeModel.loadSettings( _this, "volume" );
+	m_panModel.loadSettings( _this, "pan" );
+	m_leftModel.loadSettings( _this, "left" );
+	m_rightModel.loadSettings( _this, "right" );
+}
+
+
+
+
+void AmplifierControls::saveSettings( QDomDocument& doc, QDomElement& _this )
+{
+	m_volumeModel.saveSettings( doc, _this, "volume" ); 
+	m_panModel.saveSettings( doc, _this, "pan" );
+	m_leftModel.saveSettings( doc, _this, "left" );
+	m_rightModel.saveSettings( doc, _this, "right" );
+}
+
+
+
+#include "moc_AmplifierControls.cxx"
+

plugins/Amplifier/AmplifierControls.h

@@ -0,0 +1,79 @@
+/*
+ * AmplifierControls.h - controls for bassboosterx -effect
+ *
+ * Copyright (c) 2014 Vesa Kivimäki <contact/dot/diizy/at/nbl/dot/fi>
+ * Copyright (c) 2008-2014 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 AMPLIFIER_CONTROLS_H
+#define AMPLIFIER_CONTROLS_H
+
+#include "EffectControls.h"
+#include "AmplifierControlDialog.h"
+#include "knob.h"
+
+
+class AmplifierEffect;
+
+
+class AmplifierControls : public EffectControls
+{
+	Q_OBJECT
+public:
+	AmplifierControls( AmplifierEffect* effect );
+	virtual ~AmplifierControls()
+	{
+	}
+
+	virtual void saveSettings( QDomDocument & _doc, QDomElement & _parent );
+	virtual void loadSettings( const QDomElement & _this );
+	inline virtual QString nodeName() const
+	{
+		return "AmplifierControls";
+	}
+
+	virtual int controlCount()
+	{
+		return 4;
+	}
+
+	virtual EffectControlDialog* createView()
+	{
+		return new AmplifierControlDialog( this );
+	}
+
+
+private slots:
+	void changeControl();
+
+private:
+	AmplifierEffect* m_effect;
+	FloatModel m_volumeModel;
+	FloatModel m_panModel;
+	FloatModel m_leftModel;
+	FloatModel m_rightModel;
+
+	friend class AmplifierControlDialog;
+	friend class AmplifierEffect;
+
+} ;
+
+#endif

plugins/Amplifier/CMakeLists.txt

@@ -0,0 +1,3 @@
+INCLUDE(BuildPlugin)
+
+BUILD_PLUGIN(amplifier Amplifier.cpp AmplifierControls.cpp AmplifierControlDialog.cpp MOCFILES AmplifierControls.h EMBEDDED_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.png")