soundfont 2 beta

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@732 0778d3d1-df1d-0410-868b-ea421aaaa00d

plugins/Makefile.am

@@ -23,6 +23,7 @@ SUBDIRS =			\
 	midi_import		\
 	organic			\
 	patman			\
+	sf2_player		\
 	$(SINGERBOT_DIR)	\
 	$(STK_DIR)		\
 	triple_oscillator	\

plugins/sf2_player/Makefile.am

@@ -0,0 +1,39 @@
+AUTOMAKE_OPTIONS = foreign 1.4
+
+
+INCLUDES = -I$(top_srcdir)/include -I$(top_srcdir)/src/lib -I.
+
+
+AM_CXXFLAGS := $(AM_CXXFLAGS) $(QT_CXXFLAGS) -DPLUGIN_NAME="sf2player"
+
+
+%.moc: ./%.h
+	$(MOC) -o $@ $<
+
+%.ui: ./%.ui
+	$(UIC) -o ui_$@ $<
+
+
+MOC_FILES = ./sf2_player.moc ./patches_dialog.moc
+
+UIC_FILES = ./ui_patches_dialog.h
+
+BUILT_SOURCES = $(MOC_FILES) ${UIC_FILES} ./embedded_resources.h
+EMBEDDED_RESOURCES = $(wildcard *png)
+
+./embedded_resources.h: $(EMBEDDED_RESOURCES)
+	$(BIN2RES) $(EMBEDDED_RESOURCES) > $@
+
+EXTRA_DIST = $(EMBEDDED_RESOURCES)
+
+
+CLEANFILES = $(MOC_FILES) ./embedded_resources.h
+
+
+
+pkglib_LTLIBRARIES = libsf2player.la
+
+libsf2player_la_SOURCES = sf2_player.cpp sf2_player.h patches_dialog.cpp patches_dialog.h ui_patches_dialog.h
+libsf2player_la_LDFLAGS = -L /usr/lib -lfluidsynth
+
+$(libsf2player_la_SOURCES): ./embedded_resources.h

plugins/sf2_player/patches_dialog.cpp

@@ -0,0 +1,364 @@
+/*
+ * patches_dialog.cpp - display sf2 patches
+ *
+ * Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail/dot/com>
+ * 
+ * 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 "patches_dialog.h"
+
+#include <QHeaderView>
+//#include <QFileInfo>
+
+
+// Custom list-view item (as for numerical sort purposes...)
+class patchItem : public QTreeWidgetItem
+{
+public:
+
+	// Constructor.
+	patchItem( QTreeWidget *pListView,
+		QTreeWidgetItem *pItemAfter )
+		: QTreeWidgetItem( pListView, pItemAfter ) {}
+
+	// Sort/compare overriden method.
+	bool operator< ( const QTreeWidgetItem& other ) const
+	{
+		int iColumn = QTreeWidgetItem::treeWidget()->sortColumn();
+		const QString& s1 = text( iColumn );
+		const QString& s2 = other.text( iColumn );
+		if( iColumn == 0 || iColumn == 2 )
+		{
+			return( s1.toInt() < s2.toInt() );
+		} 
+		else 
+		{
+			return( s1 < s2 );
+		}
+	}
+};
+
+
+
+// Constructor.
+patchesDialog::patchesDialog( QWidget *pParent, Qt::WindowFlags wflags )
+	: QDialog( pParent, wflags )
+{
+	// Setup UI struct...
+	setupUi( this );
+
+	m_pSynth = NULL;
+	m_iChan  = 0;
+	m_iBank  = 0;
+	m_iProg  = 0;
+
+	// Soundfonts list view...
+	QHeaderView *pHeader = m_progListView->header();
+//	pHeader->setResizeMode(QHeaderView::Custom);
+	pHeader->setDefaultAlignment(Qt::AlignLeft);
+//	pHeader->setDefaultSectionSize(200);
+	pHeader->setMovable(false);
+	pHeader->setStretchLastSection(true);
+
+	m_progListView->resizeColumnToContents(0);	// Prog.
+	//pHeader->resizeSection(1, 200);					// Name.
+
+	// Initial sort order...
+	m_bankListView->sortItems(0, Qt::AscendingOrder);
+	m_progListView->sortItems(0, Qt::AscendingOrder);
+
+	// UI connections...
+	QObject::connect(m_bankListView,
+		SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
+		SLOT(bankChanged()));
+	QObject::connect(m_progListView,
+		SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
+		SLOT(progChanged(QTreeWidgetItem*,QTreeWidgetItem*)));
+	QObject::connect(m_progListView,
+		SIGNAL(itemActivated(QTreeWidgetItem*,int)),
+		SLOT(accept()));
+	QObject::connect(m_okButton,
+		SIGNAL(clicked()),
+		SLOT(accept()));
+	QObject::connect(m_cancelButton,
+		SIGNAL(clicked()),
+		SLOT(reject()));
+}
+
+
+// Destructor.
+patchesDialog::~patchesDialog()
+{
+}
+
+
+// Dialog setup loader.
+void patchesDialog::setup ( fluid_synth_t *pSynth, int iChan, const QString & _chanName,
+			lcdSpinBoxModel * _bankModel, lcdSpinBoxModel * _progModel )
+{
+
+	// We'll going to changes the whole thing...
+	m_dirty = 0;
+	m_bankModel = _bankModel;
+	m_progModel = _progModel;
+
+	// Set the proper caption...
+	setWindowTitle( _chanName + " - Soundfont patches");
+
+	// set m_pSynth to NULL so we don't trigger any progChanged events
+	m_pSynth = NULL;
+
+	// Load bank list from actual synth stack...
+	m_bankListView->setSortingEnabled(false);
+	m_bankListView->clear();
+
+	// now it should be safe to set internal stuff
+	m_pSynth = pSynth;
+	m_iChan  = iChan;
+
+
+	fluid_preset_t preset;
+	QTreeWidgetItem *pBankItem = NULL;
+	// For all soundfonts (in reversed stack order) fill the available banks...
+	int cSoundFonts = ::fluid_synth_sfcount(m_pSynth);
+	for (int i = 0; i < cSoundFonts; i++) {
+		fluid_sfont_t *pSoundFont = ::fluid_synth_get_sfont(m_pSynth, i);
+		if (pSoundFont) {
+#ifdef CONFIG_FLUID_BANK_OFFSET
+			int iBankOffset = ::fluid_synth_get_bank_offset(m_pSynth, pSoundFont->id);
+#endif
+			pSoundFont->iteration_start(pSoundFont);
+			while (pSoundFont->iteration_next(pSoundFont, &preset)) {
+				int iBank = preset.get_banknum(&preset);
+#ifdef CONFIG_FLUID_BANK_OFFSET
+				iBank += iBankOffset;
+#endif
+				if (!findBankItem(iBank)) {
+					pBankItem = new patchItem(m_bankListView, pBankItem);
+					if (pBankItem)
+						pBankItem->setText(0, QString::number(iBank));
+				}
+			}
+		}
+	}
+	m_bankListView->setSortingEnabled(true);
+
+	// Set the selected bank.
+	m_iBank = 0;
+	fluid_preset_t *pPreset = ::fluid_synth_get_channel_preset(m_pSynth, m_iChan);
+	if (pPreset) {
+		m_iBank = pPreset->get_banknum(pPreset);
+#ifdef CONFIG_FLUID_BANK_OFFSET
+		m_iBank += ::fluid_synth_get_bank_offset(m_pSynth, (pPreset->sfont)->id);
+#endif
+	}
+
+	pBankItem = findBankItem(m_iBank);
+	m_bankListView->setCurrentItem(pBankItem);
+	m_bankListView->scrollToItem(pBankItem);
+	bankChanged();
+
+	// Set the selected program.
+	if (pPreset)
+		m_iProg = pPreset->get_num(pPreset);
+	QTreeWidgetItem *pProgItem = findProgItem(m_iProg);
+	m_progListView->setCurrentItem(pProgItem);
+	m_progListView->scrollToItem(pProgItem);
+
+	// Done with setup...
+	//m_iDirtySetup--;
+}
+
+
+// Stabilize current state form.
+void patchesDialog::stabilizeForm()
+{
+	m_okButton->setEnabled(validateForm());
+}
+
+
+// Validate form fields.
+bool patchesDialog::validateForm()
+{
+	bool bValid = true;
+
+	bValid = bValid && (m_bankListView->currentItem() != NULL);
+	bValid = bValid && (m_progListView->currentItem() != NULL);
+
+	return bValid;
+}
+
+
+// Realize a bank-program selection preset.
+void patchesDialog::setBankProg ( int iBank, int iProg )
+{
+	if (m_pSynth == NULL)
+		return;
+
+	// just select the synth's program preset...
+	::fluid_synth_bank_select(m_pSynth, m_iChan, iBank);
+	::fluid_synth_program_change(m_pSynth, m_iChan, iProg);
+	// Maybe this is needed to stabilize things around.
+	::fluid_synth_program_reset(m_pSynth);
+}
+
+
+// Validate form fields and accept it valid.
+void patchesDialog::accept()
+{
+	if (validateForm()) {
+		// Unload from current selected dialog items.
+		int iBank = (m_bankListView->currentItem())->text(0).toInt();
+		int iProg = (m_progListView->currentItem())->text(0).toInt();
+		// And set it right away...
+		setBankProg(iBank, iProg);
+		
+		if (m_dirty > 0) {
+			m_bankModel->setValue(iBank);
+			m_progModel->setValue(iProg);
+		}
+
+		// Do remember preview state...
+		// if (m_pOptions)
+			// m_pOptions->bPresetPreview = m_ui.PreviewCheckBox->isChecked();
+		// We got it.
+		QDialog::accept();
+	}
+}
+
+
+// Reject settings (Cancel button slot).
+void patchesDialog::reject (void)
+{
+	// Reset selection to initial selection, if applicable...
+	if (m_dirty > 0)
+		setBankProg(m_bankModel->value(), m_progModel->value());
+	// Done (hopefully nothing).
+	QDialog::reject();
+}
+
+
+// Find the bank item of given bank number id.
+QTreeWidgetItem *patchesDialog::findBankItem ( int iBank )
+{
+	QList<QTreeWidgetItem *> banks
+		= m_bankListView->findItems(
+			QString::number(iBank), Qt::MatchExactly, 0);
+
+	QListIterator<QTreeWidgetItem *> iter(banks);
+	if (iter.hasNext())
+		return iter.next();
+	else
+		return NULL;
+}
+
+
+// Find the program item of given program number id.
+QTreeWidgetItem *patchesDialog::findProgItem ( int iProg )
+{
+	QList<QTreeWidgetItem *> progs
+		= m_progListView->findItems(
+			QString::number(iProg), Qt::MatchExactly, 0);
+
+	QListIterator<QTreeWidgetItem *> iter(progs);
+	if (iter.hasNext())
+		return iter.next();
+	else
+		return NULL;
+}
+
+
+
+// Bank change slot.
+void patchesDialog::bankChanged (void)
+{
+	if (m_pSynth == NULL)
+		return;
+
+	QTreeWidgetItem *pBankItem = m_bankListView->currentItem();
+	if (pBankItem == NULL)
+		return;
+
+	int iBankSelected = pBankItem->text(0).toInt();
+
+	// Clear up the program listview.
+	m_progListView->setSortingEnabled(false);
+	m_progListView->clear();
+	fluid_preset_t preset;
+	QTreeWidgetItem *pProgItem = NULL;
+	// For all soundfonts (in reversed stack order) fill the available programs...
+	int cSoundFonts = ::fluid_synth_sfcount(m_pSynth);
+	for (int i = 0; i < cSoundFonts && !pProgItem; i++) {
+		fluid_sfont_t *pSoundFont = ::fluid_synth_get_sfont(m_pSynth, i);
+		if (pSoundFont) {
+#ifdef CONFIG_FLUID_BANK_OFFSET
+			int iBankOffset = ::fluid_synth_get_bank_offset(m_pSynth, pSoundFont->id);
+#endif
+			pSoundFont->iteration_start(pSoundFont);
+			while (pSoundFont->iteration_next(pSoundFont, &preset)) {
+				int iBank = preset.get_banknum(&preset);
+#ifdef CONFIG_FLUID_BANK_OFFSET
+				iBank += iBankOffset;
+#endif
+				int iProg = preset.get_num(&preset);
+				if (iBank == iBankSelected && !findProgItem(iProg)) {
+					pProgItem = new patchItem(m_progListView, pProgItem);
+					if (pProgItem) {
+						pProgItem->setText(0, QString::number(iProg));
+						pProgItem->setText(1, preset.get_name(&preset));
+						//pProgItem->setText(2, QString::number(pSoundFont->id));
+						//pProgItem->setText(3, QFileInfo(
+						//	pSoundFont->get_name(pSoundFont)).baseName());
+					}
+				}
+			}
+		}
+	}
+	m_progListView->setSortingEnabled(true);
+
+	// Stabilize the form.
+	stabilizeForm();
+}
+
+
+// Program change slot.
+void patchesDialog::progChanged (QTreeWidgetItem * _curr, QTreeWidgetItem * _prev)
+{
+	if (m_pSynth == NULL || _curr == NULL)
+		return;
+
+	// Which preview state...
+	if( validateForm() ) {
+		// Set current selection.
+		int iBank = (m_bankListView->currentItem())->text(0).toInt();
+		int iProg = _curr->text(0).toInt();
+		// And set it right away...
+		setBankProg(iBank, iProg);
+		// Now we're dirty nuff.
+		m_dirty++;
+	}
+
+	// Stabilize the form.
+	stabilizeForm();
+}
+
+
+#include "patches_dialog.moc"

plugins/sf2_player/patches_dialog.h

@@ -0,0 +1,93 @@
+/*
+ * patches_dialog.h - display sf2 patches
+ *
+ * Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail/dot/com>
+ * 
+ * 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 _PATCHES_DIALOG_H
+#define _PATCHES_DIALOG_H
+
+#include "ui_patches_dialog.h"
+#include "lcd_spinbox.h"
+
+#include <fluidsynth.h>
+#include <QWidget>
+
+//----------------------------------------------------------------------------
+// qsynthPresetForm -- UI wrapper form.
+
+class patchesDialog : public QDialog, private Ui::patchesDialog
+{
+	Q_OBJECT
+
+public:
+
+	// Constructor.
+	patchesDialog(QWidget *pParent = 0, Qt::WindowFlags wflags = 0);
+
+	// Destructor.
+	virtual ~patchesDialog();
+
+
+	void setup(fluid_synth_t *pSynth, int iChan, const QString & _chanName,
+			lcdSpinBoxModel * _bankModel, lcdSpinBoxModel * _progModel );
+
+public slots:
+
+	void stabilizeForm();
+	void bankChanged();
+	void progChanged( QTreeWidgetItem * _curr, QTreeWidgetItem * _prev );
+
+protected slots:
+
+	void accept();
+	void reject();
+
+protected:
+
+	void setBankProg(int iBank, int iProg);
+
+	QTreeWidgetItem *findBankItem(int iBank);
+	QTreeWidgetItem *findProgItem(int iProg);
+
+	bool validateForm();
+
+private:
+
+	// Instance variables.
+	fluid_synth_t *m_pSynth;
+
+	int m_iChan;
+	int m_iBank;
+	int m_iProg;
+
+	//int m_iDirtySetup;
+	//int m_iDirtyCount;
+	int m_dirty;
+
+	lcdSpinBoxModel * m_bankModel;
+	lcdSpinBoxModel * m_progModel;
+};
+
+
+#endif
+

plugins/sf2_player/patches_dialog.ui

@@ -0,0 +1,216 @@
+<ui version="4.0" >
+ <author>rncbc aka Rui Nuno Capela</author>
+ <comment>qsynth - A fluidsynth Qt GUI Interface.
+
+   Copyright (C) 2003-2007, rncbc aka Rui Nuno Capela. All rights reserved.
+
+   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; if not, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+</comment>
+ <class>patchesDialog</class>
+ <widget class="QDialog" name="patchesDialog" >
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>480</width>
+    <height>350</height>
+   </rect>
+  </property>
+  <property name="minimumSize" >
+   <size>
+    <width>300</width>
+    <height>150</height>
+   </size>
+  </property>
+  <property name="windowTitle" >
+   <string>Qsynth: Channel Preset</string>
+  </property>
+  <property name="windowIcon" >
+   <iconset/>
+  </property>
+  <layout class="QVBoxLayout" >
+   <item>
+    <widget class="QSplitter" name="m_splitter" >
+     <property name="sizePolicy" >
+      <sizepolicy vsizetype="Expanding" hsizetype="Expanding" >
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <widget class="QTreeWidget" name="m_bankListView" >
+      <property name="minimumSize" >
+       <size>
+        <width>20</width>
+        <height>0</height>
+       </size>
+      </property>
+      <property name="maximumSize" >
+       <size>
+        <width>80</width>
+        <height>32767</height>
+       </size>
+      </property>
+      <property name="toolTip" >
+       <string>Bank selector</string>
+      </property>
+      <property name="alternatingRowColors" >
+       <bool>true</bool>
+      </property>
+      <property name="indentation" >
+       <number>4</number>
+      </property>
+      <property name="rootIsDecorated" >
+       <bool>false</bool>
+      </property>
+      <property name="uniformRowHeights" >
+       <bool>true</bool>
+      </property>
+      <property name="itemsExpandable" >
+       <bool>false</bool>
+      </property>
+      <property name="sortingEnabled" >
+       <bool>true</bool>
+      </property>
+      <property name="allColumnsShowFocus" >
+       <bool>true</bool>
+      </property>
+      <column>
+       <property name="text" >
+        <string>Bank</string>
+       </property>
+      </column>
+     </widget>
+     <widget class="QTreeWidget" name="m_progListView" >
+      <property name="toolTip" >
+       <string>Program selector</string>
+      </property>
+      <property name="alternatingRowColors" >
+       <bool>true</bool>
+      </property>
+      <property name="indentation" >
+       <number>4</number>
+      </property>
+      <property name="rootIsDecorated" >
+       <bool>false</bool>
+      </property>
+      <property name="uniformRowHeights" >
+       <bool>true</bool>
+      </property>
+      <property name="itemsExpandable" >
+       <bool>false</bool>
+      </property>
+      <property name="sortingEnabled" >
+       <bool>true</bool>
+      </property>
+      <property name="allColumnsShowFocus" >
+       <bool>true</bool>
+      </property>
+      <column>
+       <property name="text" >
+        <string>Patch</string>
+       </property>
+      </column>
+      <column>
+       <property name="text" >
+        <string>Name</string>
+       </property>
+      </column>
+     </widget>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" >
+     <property name="spacing" >
+      <number>4</number>
+     </property>
+     <property name="leftMargin" >
+      <number>0</number>
+     </property>
+     <property name="topMargin" >
+      <number>0</number>
+     </property>
+     <property name="rightMargin" >
+      <number>0</number>
+     </property>
+     <property name="bottomMargin" >
+      <number>0</number>
+     </property>
+     <item>
+      <spacer>
+       <property name="orientation" >
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeType" >
+        <enum>QSizePolicy::Expanding</enum>
+       </property>
+       <property name="sizeHint" >
+        <size>
+         <width>120</width>
+         <height>8</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="m_okButton" >
+       <property name="toolTip" >
+        <string/>
+       </property>
+       <property name="text" >
+        <string>OK</string>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="default" >
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="m_cancelButton" >
+       <property name="toolTip" >
+        <string/>
+       </property>
+       <property name="text" >
+        <string>Cancel</string>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <layoutdefault spacing="4" margin="4" />
+ <tabstops>
+  <tabstop>m_okButton</tabstop>
+  <tabstop>m_cancelButton</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>

plugins/sf2_player/sf2_player.cpp

@@ -0,0 +1,421 @@
+/*
+ * sf2_player.cpp - a soundfont2 player using fluidSynth
+ *
+ * Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail/dot/com>
+ * 
+ * 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 <QtGui/QLabel>
+#include <QtGui/QFileDialog>
+#include <Qt/QtXml>
+
+#include "sf2_player.h"
+#include "engine.h"
+#include "instrument_track.h"
+#include "instrument_play_handle.h"
+#include "note_play_handle.h"
+#include "knob.h"
+#include "song.h"
+#include "automatable_model_templates.h"
+
+#include "main_window.h"
+#include "patches_dialog.h"
+#include "tooltip.h"
+#include "lcd_spinbox.h"
+
+#undef SINGLE_SOURCE_COMPILE
+#include "embed.cpp"
+
+
+extern "C"
+{
+
+plugin::descriptor sf2_plugin_descriptor =
+{
+	STRINGIFY_PLUGIN_NAME( PLUGIN_NAME ),
+	"Sf2Player",
+	QT_TRANSLATE_NOOP( "pluginBrowser",
+				"SoundFont synthesizer" ),
+	"Paul Giblock <drfaygo/at/gmail/dot/com>",
+	0x0100,
+	plugin::Instrument,
+	new QPixmap( PLUGIN_NAME::getIconPixmap( "logo" ) ),
+	NULL
+} ;
+
+}
+
+
+sf2Instrument::sf2Instrument( instrumentTrack * _instrument_track ) :
+	instrument( _instrument_track, &sf2_plugin_descriptor ),
+	m_bankNum( -1, -1, 999, 1, this ),
+	m_patchNum( -1, -1, 127, 1, this ),
+	m_filename( "" ),
+	m_fontId( 0 )
+{
+ 
+    m_settings = new_fluid_settings();
+
+    /* Set the synthesizer settings, if necessary */
+
+
+    m_synth = new_fluid_synth( m_settings );
+
+
+    //fluid_settings_setstr(settings, "audio.driver", "jack");
+
+    //adriver = new_fluid_audio_driver(settings, synth);
+
+	instrumentPlayHandle * iph = new instrumentPlayHandle( this );
+	engine::getMixer()->addPlayHandle( iph );
+
+	connect( &m_bankNum, SIGNAL( dataChanged() ),
+				this, SLOT( updatePatch() ) );
+
+	connect( &m_patchNum, SIGNAL( dataChanged() ),
+				this, SLOT( updatePatch() ) );
+}
+
+
+
+
+sf2Instrument::~sf2Instrument()
+{
+    engine::getMixer()->removePlayHandles( getInstrumentTrack() );
+    delete_fluid_synth( m_synth );
+    delete_fluid_settings( m_settings );
+}
+
+
+
+
+void sf2Instrument::saveSettings( QDomDocument & _doc,
+							QDomElement & _this )
+{
+	_this.setAttribute( "src", m_filename );
+	m_patchNum.saveSettings( _doc, _this, "patch" );
+	m_bankNum.saveSettings( _doc, _this, "bank" );
+}
+
+
+
+
+void sf2Instrument::loadSettings( const QDomElement & _this )
+{
+	openFile( _this.attribute( "src" ) );
+	m_patchNum.loadSettings( _this, "patch" );
+	m_bankNum.loadSettings( _this, "bank" );
+}
+
+
+
+
+QString sf2Instrument::nodeName( void ) const
+{
+	return( sf2_plugin_descriptor.name );
+}
+
+
+void sf2Instrument::openFile( const QString & _sf2File )
+{
+	if( m_filename != "")
+	{
+		fluid_synth_sfunload( m_synth, m_fontId, TRUE);
+	}
+
+	m_fontId = fluid_synth_sfload( m_synth, _sf2File.toLocal8Bit(), TRUE );
+
+	if( m_fontId >= 0)
+	{
+		m_patchNum.setValue(0);
+		m_bankNum.setValue(0);
+		m_filename = _sf2File;
+
+		emit fileChanged();
+	}
+}
+
+void sf2Instrument::updatePatch( void )
+{
+	printf("update patch\n");
+	if( m_bankNum.value() >= 0 && m_patchNum.value() >= 0 ) {
+		fluid_synth_program_select( m_synth, 1, m_fontId,
+				m_bankNum.value(), m_patchNum.value() );
+	}
+}
+	
+
+
+void sf2Instrument::playNote( notePlayHandle * _n, bool )
+{
+    const float LOG440 = 2.64345267649f;
+
+	const int defaultVelocity = 80;
+
+    const f_cnt_t tfp = _n->totalFramesPlayed();
+
+    int midiNote = (int)floor( ( log2( _n->frequency() ) - LOG440 ) * 12 +69-58)+0.5;
+
+	if ( tfp == 0 )
+	{
+		_n->m_pluginData = new int( midiNote );
+        fluid_synth_noteon( m_synth, 1, midiNote, defaultVelocity );
+	}
+	else if( _n->released() )
+	{
+        // Doesn't happen with release frames = 0
+	}
+
+}
+
+
+void sf2Instrument::waitForWorkerThread( void )
+{
+    // No waiting required, at least not that I know of
+    return;
+}
+
+
+void sf2Instrument::play( bool _try_parallelizing )
+{
+	const fpp_t frames = engine::getMixer()->framesPerPeriod();
+
+	sampleFrame * buf = new sampleFrame[frames];
+
+    // Assumes stereo and float sample_t
+
+    fluid_synth_write_float( m_synth, frames, buf, 0, 2, buf, 1, 2 );
+
+	getInstrumentTrack()->processAudioBuffer( buf, frames, NULL );
+
+	delete[] buf;
+
+    if( !_try_parallelizing )
+	{
+		waitForWorkerThread();
+	}
+}
+
+
+
+void sf2Instrument::deleteNotePluginData( notePlayHandle * _n )
+{
+    int * midiNote = static_cast<int *>( _n->m_pluginData );
+    
+    fluid_synth_noteoff( m_synth, 1, *midiNote );
+
+	delete midiNote;
+
+    _n->noteOff();
+}
+
+
+pluginView * sf2Instrument::instantiateView( QWidget * _parent )
+{
+	return( new sf2InstrumentView( this, _parent ) );
+}
+
+
+
+
+sf2InstrumentView::sf2InstrumentView( instrument * _instrument,
+							QWidget * _parent ) :
+	instrumentView( _instrument, _parent )
+{
+	QVBoxLayout * vl = new QVBoxLayout( this );
+	QHBoxLayout * hl = new QHBoxLayout();
+	
+	// File Button
+	m_fileDialogButton = new pixmapButton( this, NULL );
+	m_fileDialogButton->setCursor( QCursor( Qt::PointingHandCursor ) );
+	m_fileDialogButton->setActiveGraphic( embed::getIconPixmap(
+							"project_open_down" ) );
+	m_fileDialogButton->setInactiveGraphic( embed::getIconPixmap(
+							"project_open" ) );
+	connect( m_fileDialogButton, SIGNAL( clicked() ),
+				this, SLOT( showFileDialog() ) );
+	toolTip::add( m_fileDialogButton, tr( "Open other SoundFont file" ) );
+
+	m_fileDialogButton->setWhatsThis(
+		tr( "Click here to open another SF2 file" ) );
+
+	// Patch Button
+	m_patchDialogButton = new pixmapButton( this, NULL );
+	m_patchDialogButton->setCursor( QCursor( Qt::PointingHandCursor ) );
+	m_patchDialogButton->setActiveGraphic( embed::getIconPixmap(
+							"track_op_menu" ) );
+	m_patchDialogButton->setInactiveGraphic( embed::getIconPixmap(
+							"track_op_menu" ) );
+	connect( m_patchDialogButton, SIGNAL( clicked() ),
+				this, SLOT( showPatchDialog() ) );
+	toolTip::add( m_patchDialogButton, tr( "Choose the patch" ) );
+
+
+	// LCDs
+	m_bankNumLcd = new lcdSpinBox( 3, this, "Bank" );
+	m_bankNumLcd->setLabel( "Bank:" );
+	m_bankNumLcd->addTextForValue( -1, "---" );
+	m_bankNumLcd->setEnabled( FALSE );
+
+	m_patchNumLcd = new lcdSpinBox( 3, this, "Patch" );
+	m_patchNumLcd->setLabel( "Patch:" );
+	m_patchNumLcd->addTextForValue( -1, "---" );
+	m_patchNumLcd->setEnabled( FALSE );
+
+	hl->addWidget( m_fileDialogButton );
+	hl->addWidget( m_bankNumLcd );
+	hl->addWidget( m_patchNumLcd );
+	hl->addWidget( m_patchDialogButton );
+
+	vl->addLayout( hl );
+
+	// Next row
+
+	hl = new QHBoxLayout();
+	
+	m_filenameLabel = new QLabel( this );
+	
+	hl->addWidget( m_filenameLabel );
+
+	vl->addLayout( hl );
+
+	setAutoFillBackground( TRUE );
+	QPalette pal;
+	pal.setBrush( backgroundRole(), PLUGIN_NAME::getIconPixmap(
+								"artwork" ) );
+	setPalette( pal );
+
+	updateFilename();
+}
+
+
+
+
+sf2InstrumentView::~sf2InstrumentView()
+{
+}
+
+
+void sf2InstrumentView::modelChanged( void )
+{
+	sf2Instrument * k = castModel<sf2Instrument>();
+	m_bankNumLcd->setModel( &k->m_bankNum );
+	m_patchNumLcd->setModel( &k->m_patchNum );
+
+	connect(k, SIGNAL( fileChanged( void ) ),
+		this, SLOT( updateFilename( void ) ) );
+	
+	updateFilename();
+
+}
+
+
+void sf2InstrumentView::updateFilename( void )
+{
+	m_filenameLabel->setText("File: " + 
+		castModel<sf2Instrument>()->m_filename +
+		"\nPatch: TODO");
+	update();
+}
+
+
+void sf2InstrumentView::showFileDialog( void )
+{
+	sf2Instrument * k = castModel<sf2Instrument>();
+
+	QFileDialog ofd( NULL, tr( "Open SoundFont file" ) );
+	ofd.setFileMode( QFileDialog::ExistingFiles );
+
+	QStringList types;
+	types << tr( "SoundFont2-Files (*.sf2)" );
+	ofd.setFilters( types );
+
+	if( k->m_filename == "" )
+	{
+		ofd.setDirectory(
+				configManager::inst()->userSamplesDir() );
+	}
+	else if( QFileInfo( k->m_filename ).isRelative() )
+	{
+		QString f = configManager::inst()->userSamplesDir()
+							+ k->m_filename;
+		if( QFileInfo( f ).exists() == FALSE )
+		{
+			f = configManager::inst()->factorySamplesDir()
+							+ k->m_filename;
+		}
+
+		ofd.selectFile( f );
+	}
+	else
+	{
+		ofd.selectFile( k->m_filename );
+	}
+
+// HACK
+	ofd.setDirectory("/home/llama");
+
+	if( ofd.exec() == QDialog::Accepted && !ofd.selectedFiles().isEmpty() )
+	{
+		QString f = ofd.selectedFiles()[0];
+		if( f != "" )
+		{
+			k->openFile( f );
+			engine::getSong()->setModified();
+		}
+	}
+
+
+}
+
+patchesDialog * sf2InstrumentView::s_patchDialog = NULL;
+
+void sf2InstrumentView::showPatchDialog( void ) {
+
+	sf2Instrument * k = castModel<sf2Instrument>();
+
+	if( s_patchDialog == NULL ) {
+		printf("Creating patchDialog\n");
+		s_patchDialog = new patchesDialog(this);
+	}
+    s_patchDialog->setup( k->m_synth, 1, k->getInstrumentTrack()->name(),
+		&k->m_bankNum, &k->m_patchNum );
+    
+	s_patchDialog->exec();
+}
+
+
+extern "C"
+{
+
+// neccessary for getting instance out of shared lib
+plugin * lmms_plugin_main( model *, void * _data )
+{
+	return( new sf2Instrument(
+				static_cast<instrumentTrack *>( _data ) ) );
+}
+
+
+}
+
+#include "sf2_player.moc"
+

plugins/sf2_player/sf2_player.h

@@ -0,0 +1,143 @@
+/*
+ * sf2_player.h - a soundfont2 player using fluidSynth
+ *
+ * Copyright (c) 2008 Paul Giblock <drfaygo/at/gmail/dot/com>
+ * 
+ * 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 _SF2_PLAYER_H
+#define _SF2_PLAYER_H
+
+#include "instrument.h"
+#include "pixmap_button.h"
+#include "instrument_view.h"
+#include "knob.h"
+#include "lcd_spinbox.h"
+#include "fluidsynth.h"
+
+class sf2InstrumentView;
+class notePlayHandle;
+
+class patchesDialog;
+class QLabel;
+
+class sf2Instrument : public instrument
+{
+	Q_OBJECT
+public:
+	sf2Instrument( instrumentTrack * _instrument_track );
+	virtual ~sf2Instrument();
+
+	virtual void play( bool _try_parallelizing );
+
+	virtual void FASTCALL playNote( notePlayHandle * _n,
+						bool _try_parallelizing );
+	virtual void FASTCALL deleteNotePluginData( notePlayHandle * _n );
+
+
+	virtual void FASTCALL saveSettings( QDomDocument & _doc,
+							QDomElement & _parent );
+	virtual void FASTCALL loadSettings( const QDomElement & _this );
+
+	virtual QString nodeName( void ) const;
+
+	virtual f_cnt_t desiredReleaseFrames( void ) const
+	{
+		return( 0 );
+	}
+
+	virtual bool notePlayHandleBased( void ) const
+	{
+		return( FALSE );
+	}
+
+
+	virtual bool supportsParallelizing( void ) const
+	{
+		return( FALSE );
+	}
+
+	virtual void waitForWorkerThread( void );
+
+
+	virtual pluginView * instantiateView( QWidget * _parent );
+
+public slots:
+	void openFile( const QString & _sf2File );
+	void updatePatch( void );
+
+
+private:
+	fluid_settings_t* m_settings;
+
+	fluid_synth_t* m_synth;
+
+	fluid_audio_driver_t* m_adriver;
+
+	int m_fontId;
+
+
+
+	QString m_filename;
+
+	lcdSpinBoxModel m_bankNum;
+	lcdSpinBoxModel m_patchNum;
+
+	friend class sf2InstrumentView;
+
+signals:
+	void fileChanged( void );
+	void patchChanged( void );
+
+} ;
+
+
+
+class sf2InstrumentView : public instrumentView
+{
+	Q_OBJECT
+public:
+	sf2InstrumentView( instrument * _instrument,
+					QWidget * _parent );
+	virtual ~sf2InstrumentView();
+
+private:
+	virtual void modelChanged( void );
+
+	pixmapButton * m_fileDialogButton;
+	pixmapButton * m_patchDialogButton;
+
+	lcdSpinBox * m_bankNumLcd;
+	lcdSpinBox * m_patchNumLcd;
+
+	QLabel * m_filenameLabel;
+
+	static patchesDialog * s_patchDialog;
+
+protected slots:
+	void showFileDialog( void );
+	void showPatchDialog( void );
+	void updateFilename( void );
+} ;
+
+
+
+#endif