Global Groove Quantization

include/Groove.h

@@ -0,0 +1,88 @@
+/*
+ * Groove.h - classes for addinng swing/funk/groove/slide (you can't name it but you can feel it)
+ *  to midi which is not precise enough at 192 ticks per tact to make your arse move.
+ *
+ * In it simplest terms a groove is a subtle delay on some notes in a pattern.
+ *
+ * Copyright (c) 2005-2008 teknopaul <teknopaul/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 GROOVE_H
+#define GROOVE_H
+
+#include <QWidget>
+
+#include "lmms_basics.h"
+#include "TimePos.h"
+#include "Note.h"
+#include "MidiClip.h"
+#include "SerializingObject.h"
+
+namespace lmms
+{
+
+class Groove : public QObject, public SerializingObject
+{
+	Q_OBJECT
+
+public:
+	Groove(QObject* parent = nullptr);
+
+	/*
+	 * Groove should return true if the note should be played in the curr_time tick,
+	 * at the start of the tick or any time before the next tick.
+	 *
+	 * cur_start - the tick about to be played
+	 * n - the note to be played, or not played
+	 * p - the pattern to which the note belongs
+	 *
+	 * default implementation (no groove) would be   return n.pos() == cur_start ? 0 : -1;
+	 *
+	 * returns 0 to play now on the tick, -1 to not play at all and the new offset
+	 *         that the note should be shifted if it is to be played later in this tick.
+	 */
+	virtual int isInTick(TimePos* curStart, fpp_t frames, f_cnt_t offset,
+						Note* n, MidiClip* c);
+	int amount() const { return m_amount; }
+
+	virtual void saveSettings(QDomDocument & doc, QDomElement & element);
+	virtual void loadSettings(const QDomElement & element);
+
+	virtual QWidget* instantiateView(QWidget* parent);
+
+	QString nodeName() const override
+	{
+		return "none";
+	}
+
+signals:
+	void amountChanged(int newAmount);
+
+public slots:
+	void setAmount(int amount);
+
+protected:
+	int m_amount;
+	float m_swingFactor; // = (m_amount / 127)
+};
+
+} // namespace lmms
+
+#endif // GROOVE_H

include/GrooveExperiments.h

@@ -0,0 +1,93 @@
+/*
+ * GrooveExperiments.h - A groove that's new
+ *
+ * Copyright (c) 2005-2008 teknopaul <teknopaul/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 GROOVEEXPERIMENTS_H
+#define GROOVEEXPERIMENTS_H
+
+#include <QObject>
+
+#include "AutomatableSlider.h"
+#include "Groove.h"
+#include "lmms_basics.h"
+#include "TimePos.h"
+#include "Note.h"
+#include "MidiClip.h"
+
+namespace lmms
+{
+
+/**
+ * A groove that's new
+ */
+class GrooveExperiments : public Groove
+{
+	Q_OBJECT
+public:
+	GrooveExperiments(QObject* parent = nullptr);
+	~GrooveExperiments() override;
+
+	void init();
+
+	int isInTick(TimePos* curStart, const fpp_t frames, const f_cnt_t offset, Note* n, MidiClip* c);
+
+	inline virtual QString nodeName() const
+	{
+		return "experiment";
+	}
+
+	QWidget* instantiateView(QWidget* parent);
+
+public slots:
+	// valid values are from 0 - 127
+	void update();
+
+private:
+	int m_framesPerTick;
+};
+
+
+namespace gui
+{
+
+class GrooveExperimentsView : public QWidget
+{
+	Q_OBJECT
+public:
+	GrooveExperimentsView(GrooveExperiments* groove, QWidget* parent = nullptr);
+	~GrooveExperimentsView() override;
+
+public slots:
+	void valueChanged();
+
+private:
+	GrooveExperiments* m_groove;
+	IntModel* m_sliderModel;
+	AutomatableSlider* m_slider;
+
+};
+
+} // namespace gui
+
+} // namespace lmms
+
+#endif // GROOVEEXPERIMENTS_H

include/GrooveFactory.h

@@ -0,0 +1,43 @@
+/*
+ * GrooveFactory.h - a factory class for grooves
+ *
+ * Copyright (c) 2005-2008 teknopaul <teknopaul/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 GROOVEFACTORY_H
+#define GROOVEFACTORY_H
+
+#include "Groove.h"
+
+namespace lmms
+{
+
+class GrooveFactory
+{
+public:
+	static Groove* create(const QString& grooveType);
+
+private:
+	GrooveFactory();
+};
+
+} // namespace lmms
+
+#endif // GROOVEFACTORY_H

include/GrooveView.h

@@ -0,0 +1,61 @@
+/*
+ * GrooveView.h - a view class for grooves
+ *
+ * Copyright (c) 2005-2008 teknopaul <teknopaul/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 GROOVEVIEW_H
+#define GROOVEVIEW_H
+
+#include <QWidget>
+#include <QVBoxLayout>
+#include <QComboBox>
+
+#include "Groove.h"
+#include "SerializingObject.h"
+
+namespace lmms::gui
+{
+
+class GrooveView : public QWidget
+{
+	Q_OBJECT
+public:
+	GrooveView(QWidget* parent);
+	~GrooveView() override;
+
+	void clear();
+
+signals:
+
+public slots:
+	void update();
+	void grooveChanged();
+
+private:
+	void setView(Groove* groove);
+
+	QVBoxLayout* m_layout;
+	QComboBox* m_comboBox;
+};
+
+} // namespace lmms::gui
+
+#endif // GROOVEVIEW_H

include/GuiApplication.h

@@ -37,6 +37,7 @@ namespace lmms::gui
 
 class AutomationEditorWindow;
 class ControllerRackView;
+class GrooveView;
 class MixerView;
 class MainWindow;
 class MicrotunerConfig;
@@ -58,6 +59,7 @@ class LMMS_EXPORT GuiApplication : public QObject
 #endif
 
 	MainWindow* mainWindow() { return m_mainWindow; }
+	GrooveView* grooveView() { return m_grooveView; }
 	MixerView* mixerView() { return m_mixerView; }
 	SongEditorWindow* songEditor() { return m_songEditor; }
 	PatternEditorWindow* patternEditor() { return m_patternEditor; }
@@ -77,6 +79,7 @@ private slots:
 	static GuiApplication* s_instance;
 
 	MainWindow* m_mainWindow;
+	GrooveView* m_grooveView;
 	MixerView* m_mixerView;
 	SongEditorWindow* m_songEditor;
 	AutomationEditorWindow* m_automationEditor;