view/fantasia/AudioDevicePane.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2011 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler 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 JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler.view.fantasia;

import java.awt.Dimension;
import java.awt.Insets;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;

import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import net.sf.juife.Task;
import net.sf.juife.event.TaskEvent;
import net.sf.juife.event.TaskListener;

import org.jsampler.AudioDeviceModel;
import org.jsampler.CC;

import org.jsampler.event.AudioDeviceEvent;
import org.jsampler.event.AudioDeviceListener;
import org.jsampler.event.ParameterEvent;
import org.jsampler.event.ParameterListener;

import org.jsampler.task.Audio;
import org.jsampler.view.fantasia.basic.PixmapPane;
import org.jsampler.view.swing.ParameterTable;

import org.linuxsampler.lscp.AudioOutputChannel;
import org.linuxsampler.lscp.AudioOutputDevice;
import org.linuxsampler.lscp.Parameter;

import static org.jsampler.view.fantasia.FantasiaI18n.i18n;
import static org.jsampler.view.fantasia.FantasiaPrefs.preferences;

/**
 *
 * @author Grigor Iliev
 */
public class AudioDevicePane extends DevicePane {
        private final OptionsPane optionsPane;
        private final ParameterTable channelParamTable = new ParameterTable();
        
        private final AudioDeviceModel audioDeviceModel;
        
        
        /** Creates a new instance of <code>AudioDevicePane</code> */
        public
        AudioDevicePane(AudioDeviceModel model) {
                audioDeviceModel = model;
                
                channelParamTable.setFillsViewportHeight(true);
                
                optionsPane = new OptionsPane();
                setOptionsPane(optionsPane);
                
                int id = model.getDeviceId();
                String s = model.getDeviceInfo().getDriverName();
                setDeviceName(i18n.getLabel("AudioDevicePane.lDevName", id, s));
        }
        
        @Override
        protected void
        destroyDevice() {
                final Task t = new Audio.DestroyDevice(getDeviceId());
                t.addTaskListener(new TaskListener() {
                        public void
                        taskPerformed(TaskEvent e) {
                                if(t.doneWithErrors()) restoreDevice();
                        }
                });
                
                CC.getTaskQueue().add(t);
        }
        
        public int
        getDeviceId() { return audioDeviceModel.getDeviceId(); }
        
        class OptionsPane extends PixmapPane implements ActionListener, ItemListener,
                                ChangeListener, AudioDeviceListener, ParameterListener {
                
                private final JCheckBox checkActive =
                        new JCheckBox(i18n.getLabel("AudioDevicePane.checkActive"));
                
                private final JLabel lChannels
                        = new JLabel(i18n.getLabel("AudioDevicePane.lChannels"));
                
                private final JSpinner spinnerChannels;
                
                private final JLabel lChannel =
                        new JLabel(i18n.getLabel("AudioDevicePane.lChannel"));
                
                private final JComboBox cbChannel = new JComboBox();
                
                private final ParameterTable additionalParamsTable = new ParameterTable();
                private final JPanel additionalParamsPane = new JPanel();
                
                OptionsPane() {
                        super(Res.gfxChannelOptions);
                        
                        setAlignmentX(LEFT_ALIGNMENT);
                        
                        setPixmapInsets(new Insets(1, 1, 1, 1));
                        setLayout(new java.awt.BorderLayout());
                        setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
                        setOpaque(false);
                        
                        PixmapPane mainPane = new PixmapPane(Res.gfxRoundBg7);
                        mainPane.setPixmapInsets(new Insets(3, 3, 3, 3));
                        mainPane.setOpaque(false);
                        
                        mainPane.setLayout(new BoxLayout(mainPane, BoxLayout.Y_AXIS));
                        mainPane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
                        mainPane.setMaximumSize(new Dimension(Short.MAX_VALUE, Short.MAX_VALUE));
                        
                        JPanel p = new JPanel();
                        p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
                        
                        p.add(checkActive);
                        p.add(Box.createRigidArea(new Dimension(12, 0)));
                        p.add(lChannels);
                        p.add(Box.createRigidArea(new Dimension(5, 0)));
                        
                        Parameter<Integer> prm =
                                audioDeviceModel.getDeviceInfo().getChannelsParameter();
                        int min = 1;
                        if(prm.getRangeMin() != null) min = prm.getRangeMin().intValue();
                        int max = 10000;
                        if(prm.getRangeMax() != null) max = prm.getRangeMax().intValue();
                        
                        spinnerChannels = new JSpinner(new SpinnerNumberModel(1, min, max, 1));
                        if(prm.isFixed()) spinnerChannels.setEnabled(false);
                        int h = spinnerChannels.getPreferredSize().height;
                        spinnerChannels.setPreferredSize(new Dimension(30, h));
                        p.add(spinnerChannels);
                        p.setOpaque(false);
                        
                        mainPane.add(p);
                        mainPane.add(Box.createRigidArea(new Dimension(0, 5)));
                        
                        JPanel p2 = additionalParamsPane;
                        p2.setLayout(new BoxLayout(p2, BoxLayout.Y_AXIS));
                        p2.setOpaque(false);
                        
                        p2.add(createHSeparator());
                        p2.add(Box.createRigidArea(new Dimension(0, 5)));
                        
                        JScrollPane sp = new JScrollPane(additionalParamsTable);
                        
                        sp.setPreferredSize(new Dimension(77, 90));
                        p2.add(sp);
                        mainPane.add(p2);
                        
                        mainPane.add(Box.createRigidArea(new Dimension(0, 5)));
                        
                        mainPane.add(createHSeparator());
                        mainPane.add(Box.createRigidArea(new Dimension(0, 5)));
                        
                        p = new JPanel();
                        p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
                        p.setOpaque(false);
                        
                        p2 = new JPanel();
                        p2.setLayout(new BoxLayout(p2, BoxLayout.X_AXIS));
                        p2.add(lChannel);
                        p2.add(Box.createRigidArea(new Dimension(5, 0)));
                        p2.add(cbChannel);
                        p2.setOpaque(false);
                        p.add(p2);
                        
                        p.add(Box.createRigidArea(new Dimension(0, 5)));
                        
                        sp = new JScrollPane(channelParamTable);
                        sp.setPreferredSize(new Dimension(77, 90));
                        p.add(sp);
                        
                        mainPane.add(p);
                        add(mainPane);
                        
                        checkActive.setSelected(audioDeviceModel.isActive());
                        spinnerChannels.setValue(audioDeviceModel.getDeviceInfo().getChannelCount());
                        
                        cbChannel.addActionListener(this);
                        checkActive.addItemListener(this);
                        spinnerChannels.addChangeListener(this);
                        audioDeviceModel.addAudioDeviceListener(this);
                        channelParamTable.getModel().addParameterListener(this);
                        
                        AudioDeviceModel m = audioDeviceModel;
                        for(AudioOutputChannel chn : m.getDeviceInfo().getAudioChannels()) {
                                cbChannel.addItem(chn);
                        }
                        
                        updateParams(audioDeviceModel.getDeviceInfo());
                        additionalParamsTable.getModel().addParameterListener(new ParameterListener() {
                                public void
                                parameterChanged(ParameterEvent e) {
                                        audioDeviceModel.setBackendDeviceParameter(e.getParameter());
                                }
                        });
                        
                        updateAdditionalParamsViewState();
                        String s = "AudioDevice.showAdditionalParameters";
                        preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
                                public void
                                propertyChange(PropertyChangeEvent e) {
                                        updateAdditionalParamsViewState();
                                }
                        });
                }
                
                private void
                updateAdditionalParamsViewState() {
                        String s = "AudioDevice.showAdditionalParameters";
                        additionalParamsPane.setVisible(preferences().getBoolProperty(s));
                        validate();
                }
                
                @Override
                public void
                actionPerformed(ActionEvent e) {
                        Object obj = cbChannel.getSelectedItem();
                        if(obj == null) {
                                channelParamTable.getModel().setParameters(new Parameter[0]);
                                return;
                        }
                        
                        AudioOutputChannel chn = (AudioOutputChannel)obj;
                        
                        channelParamTable.getModel().setParameters(chn.getAllParameters());
                }
                
                @Override
                public void
                itemStateChanged(ItemEvent e) {
                        boolean a = checkActive.isSelected();
                        if(a != audioDeviceModel.isActive()) audioDeviceModel.setBackendActive(a);
                }
                
                @Override
                public void
                stateChanged(ChangeEvent e) {
                        int c = (Integer)spinnerChannels.getValue();
                        if(c != audioDeviceModel.getDeviceInfo().getAudioChannelCount()) {
                                audioDeviceModel.setBackendChannelCount(c);
                        }
                }
                
                @Override
                public void
                settingsChanged(AudioDeviceEvent e) {
                        int c = (Integer)spinnerChannels.getValue();
                        int nc = audioDeviceModel.getDeviceInfo().getAudioChannelCount();
                        if(c != nc) spinnerChannels.setValue(nc);
                        
                        boolean a = checkActive.isSelected();
                        boolean na = audioDeviceModel.isActive();
                        if(a != na) checkActive.setSelected(na);
                        
                        AudioOutputDevice d = e.getAudioDeviceModel().getDeviceInfo();
                        updateParams(d);
                        
                        int idx = cbChannel.getSelectedIndex();
                        cbChannel.removeAllItems();
                        for(AudioOutputChannel chn : d.getAudioChannels()) cbChannel.addItem(chn);
                        
                        if(idx >= cbChannel.getModel().getSize()) idx = 0;
                        
                        if(cbChannel.getModel().getSize() > 0) cbChannel.setSelectedIndex(idx);
                }
        
                /** Invoked when when a new send effect chain is added to the audio device. */
                @Override public void sendEffectChainAdded(AudioDeviceEvent e) { }
        
                /** Invoked when when a send effect chain is removed from the audio device. */
                @Override public void sendEffectChainRemoved(AudioDeviceEvent e) { }
                
                @Override
                public void
                parameterChanged(ParameterEvent e) {
                        int c = cbChannel.getSelectedIndex();
                        if(c == -1) {
                                CC.getLogger().warning("There is no audio channel selected!");
                                return;
                        }
                        
                        audioDeviceModel.setBackendChannelParameter(c, e.getParameter());
                }
                
                private void
                updateParams(AudioOutputDevice d) {
                        Parameter p = d.getSampleRateParameter();
                        boolean b = p == null || p.getName() == null || p.getValue() == null;
                        Parameter[] params = d.getAdditionalParameters();
                        Parameter[] p2s;
                        if(b) p2s = new Parameter[params.length];
                        else p2s = new Parameter[params.length + 1];
                        
                        for(int i = 0; i < params.length; i++) p2s[i] = params[i];
                        
                        if(!b) p2s[params.length] = p;
                        
                        additionalParamsTable.getModel().setParameters(p2s);
                }
        }
        
}
1	iliev	1286	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4	iliev	2288	* Copyright (C) 2005-2011 Grigor Iliev <grigor@grigoriliev.com>
5	iliev	1286	*
6			* This file is part of JSampler.
7			*
8			* JSampler is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License version 2
10			* as published by the Free Software Foundation.
11			*
12			* JSampler is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with JSampler; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20			* MA 02111-1307 USA
21			*/
22
23			package org.jsampler.view.fantasia;
24
25			import java.awt.Dimension;
26			import java.awt.Insets;
27
28			import java.awt.event.ActionEvent;
29			import java.awt.event.ActionListener;
30			import java.awt.event.ItemEvent;
31			import java.awt.event.ItemListener;
32
33	iliev	1357	import java.beans.PropertyChangeEvent;
34			import java.beans.PropertyChangeListener;
35
36	iliev	1286	import javax.swing.BorderFactory;
37			import javax.swing.Box;
38			import javax.swing.BoxLayout;
39			import javax.swing.JCheckBox;
40			import javax.swing.JComboBox;
41			import javax.swing.JLabel;
42			import javax.swing.JPanel;
43			import javax.swing.JScrollPane;
44			import javax.swing.JSpinner;
45			import javax.swing.SpinnerNumberModel;
46
47			import javax.swing.event.ChangeEvent;
48			import javax.swing.event.ChangeListener;
49
50	iliev	1310	import net.sf.juife.Task;
51			import net.sf.juife.event.TaskEvent;
52			import net.sf.juife.event.TaskListener;
53
54	iliev	1286	import org.jsampler.AudioDeviceModel;
55			import org.jsampler.CC;
56
57			import org.jsampler.event.AudioDeviceEvent;
58			import org.jsampler.event.AudioDeviceListener;
59			import org.jsampler.event.ParameterEvent;
60			import org.jsampler.event.ParameterListener;
61
62	iliev	1310	import org.jsampler.task.Audio;
63	iliev	1785	import org.jsampler.view.fantasia.basic.PixmapPane;
64	iliev	2288	import org.jsampler.view.swing.ParameterTable;
65	iliev	1286
66			import org.linuxsampler.lscp.AudioOutputChannel;
67			import org.linuxsampler.lscp.AudioOutputDevice;
68			import org.linuxsampler.lscp.Parameter;
69
70			import static org.jsampler.view.fantasia.FantasiaI18n.i18n;
71	iliev	1357	import static org.jsampler.view.fantasia.FantasiaPrefs.preferences;
72	iliev	1286
73			/**
74			*
75			* @author Grigor Iliev
76			*/
77			public class AudioDevicePane extends DevicePane {
78			private final OptionsPane optionsPane;
79			private final ParameterTable channelParamTable = new ParameterTable();
80
81			private final AudioDeviceModel audioDeviceModel;
82
83
84			/** Creates a new instance of <code>AudioDevicePane</code> */
85			public
86			AudioDevicePane(AudioDeviceModel model) {
87			audioDeviceModel = model;
88
89	iliev	1743	channelParamTable.setFillsViewportHeight(true);
90
91	iliev	1286	optionsPane = new OptionsPane();
92			setOptionsPane(optionsPane);
93
94			int id = model.getDeviceId();
95	iliev	1445	String s = model.getDeviceInfo().getDriverName();
96			setDeviceName(i18n.getLabel("AudioDevicePane.lDevName", id, s));
97	iliev	1286	}
98
99	iliev	1785	@Override
100	iliev	1286	protected void
101			destroyDevice() {
102	iliev	1310	final Task t = new Audio.DestroyDevice(getDeviceId());
103			t.addTaskListener(new TaskListener() {
104			public void
105			taskPerformed(TaskEvent e) {
106			if(t.doneWithErrors()) restoreDevice();
107			}
108			});
109
110			CC.getTaskQueue().add(t);
111	iliev	1286	}
112
113			public int
114			getDeviceId() { return audioDeviceModel.getDeviceId(); }
115
116			class OptionsPane extends PixmapPane implements ActionListener, ItemListener,
117			ChangeListener, AudioDeviceListener, ParameterListener {
118
119			private final JCheckBox checkActive =
120			new JCheckBox(i18n.getLabel("AudioDevicePane.checkActive"));
121
122			private final JLabel lChannels
123			= new JLabel(i18n.getLabel("AudioDevicePane.lChannels"));
124
125	iliev	1496	private final JSpinner spinnerChannels;
126	iliev	1286
127			private final JLabel lChannel =
128			new JLabel(i18n.getLabel("AudioDevicePane.lChannel"));
129
130			private final JComboBox cbChannel = new JComboBox();
131
132	iliev	1357	private final ParameterTable additionalParamsTable = new ParameterTable();
133			private final JPanel additionalParamsPane = new JPanel();
134
135	iliev	1286	OptionsPane() {
136			super(Res.gfxChannelOptions);
137
138			setAlignmentX(LEFT_ALIGNMENT);
139
140			setPixmapInsets(new Insets(1, 1, 1, 1));
141			setLayout(new java.awt.BorderLayout());
142			setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
143			setOpaque(false);
144
145			PixmapPane mainPane = new PixmapPane(Res.gfxRoundBg7);
146			mainPane.setPixmapInsets(new Insets(3, 3, 3, 3));
147			mainPane.setOpaque(false);
148
149			mainPane.setLayout(new BoxLayout(mainPane, BoxLayout.Y_AXIS));
150			mainPane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
151			mainPane.setMaximumSize(new Dimension(Short.MAX_VALUE, Short.MAX_VALUE));
152
153			JPanel p = new JPanel();
154			p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
155
156			p.add(checkActive);
157			p.add(Box.createRigidArea(new Dimension(12, 0)));
158			p.add(lChannels);
159			p.add(Box.createRigidArea(new Dimension(5, 0)));
160	iliev	1496
161			Parameter<Integer> prm =
162			audioDeviceModel.getDeviceInfo().getChannelsParameter();
163			int min = 1;
164			if(prm.getRangeMin() != null) min = prm.getRangeMin().intValue();
165	iliev	1606	int max = 10000;
166	iliev	1496	if(prm.getRangeMax() != null) max = prm.getRangeMax().intValue();
167
168			spinnerChannels = new JSpinner(new SpinnerNumberModel(1, min, max, 1));
169			if(prm.isFixed()) spinnerChannels.setEnabled(false);
170	iliev	1743	int h = spinnerChannels.getPreferredSize().height;
171			spinnerChannels.setPreferredSize(new Dimension(30, h));
172	iliev	1286	p.add(spinnerChannels);
173			p.setOpaque(false);
174
175			mainPane.add(p);
176			mainPane.add(Box.createRigidArea(new Dimension(0, 5)));
177
178	iliev	1357	JPanel p2 = additionalParamsPane;
179			p2.setLayout(new BoxLayout(p2, BoxLayout.Y_AXIS));
180			p2.setOpaque(false);
181
182			p2.add(createHSeparator());
183			p2.add(Box.createRigidArea(new Dimension(0, 5)));
184
185			JScrollPane sp = new JScrollPane(additionalParamsTable);
186
187			sp.setPreferredSize(new Dimension(77, 90));
188			p2.add(sp);
189			mainPane.add(p2);
190
191			mainPane.add(Box.createRigidArea(new Dimension(0, 5)));
192
193	iliev	1286	mainPane.add(createHSeparator());
194			mainPane.add(Box.createRigidArea(new Dimension(0, 5)));
195
196			p = new JPanel();
197			p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
198			p.setOpaque(false);
199
200	iliev	1357	p2 = new JPanel();
201	iliev	1286	p2.setLayout(new BoxLayout(p2, BoxLayout.X_AXIS));
202			p2.add(lChannel);
203			p2.add(Box.createRigidArea(new Dimension(5, 0)));
204			p2.add(cbChannel);
205			p2.setOpaque(false);
206			p.add(p2);
207
208			p.add(Box.createRigidArea(new Dimension(0, 5)));
209
210	iliev	1357	sp = new JScrollPane(channelParamTable);
211	iliev	1286	sp.setPreferredSize(new Dimension(77, 90));
212			p.add(sp);
213
214			mainPane.add(p);
215			add(mainPane);
216
217			checkActive.setSelected(audioDeviceModel.isActive());
218			spinnerChannels.setValue(audioDeviceModel.getDeviceInfo().getChannelCount());
219
220			cbChannel.addActionListener(this);
221			checkActive.addItemListener(this);
222			spinnerChannels.addChangeListener(this);
223			audioDeviceModel.addAudioDeviceListener(this);
224			channelParamTable.getModel().addParameterListener(this);
225
226			AudioDeviceModel m = audioDeviceModel;
227			for(AudioOutputChannel chn : m.getDeviceInfo().getAudioChannels()) {
228			cbChannel.addItem(chn);
229			}
230	iliev	1357
231	iliev	1445	updateParams(audioDeviceModel.getDeviceInfo());
232	iliev	1357	additionalParamsTable.getModel().addParameterListener(new ParameterListener() {
233			public void
234			parameterChanged(ParameterEvent e) {
235			audioDeviceModel.setBackendDeviceParameter(e.getParameter());
236			}
237			});
238
239			updateAdditionalParamsViewState();
240			String s = "AudioDevice.showAdditionalParameters";
241			preferences().addPropertyChangeListener(s, new PropertyChangeListener() {
242			public void
243			propertyChange(PropertyChangeEvent e) {
244			updateAdditionalParamsViewState();
245			}
246			});
247	iliev	1286	}
248
249	iliev	1357	private void
250			updateAdditionalParamsViewState() {
251			String s = "AudioDevice.showAdditionalParameters";
252			additionalParamsPane.setVisible(preferences().getBoolProperty(s));
253			validate();
254			}
255
256	iliev	1785	@Override
257	iliev	1286	public void
258			actionPerformed(ActionEvent e) {
259			Object obj = cbChannel.getSelectedItem();
260			if(obj == null) {
261			channelParamTable.getModel().setParameters(new Parameter[0]);
262			return;
263			}
264
265			AudioOutputChannel chn = (AudioOutputChannel)obj;
266
267			channelParamTable.getModel().setParameters(chn.getAllParameters());
268			}
269
270	iliev	1785	@Override
271	iliev	1286	public void
272			itemStateChanged(ItemEvent e) {
273			boolean a = checkActive.isSelected();
274			if(a != audioDeviceModel.isActive()) audioDeviceModel.setBackendActive(a);
275			}
276
277	iliev	1785	@Override
278	iliev	1286	public void
279			stateChanged(ChangeEvent e) {
280			int c = (Integer)spinnerChannels.getValue();
281			if(c != audioDeviceModel.getDeviceInfo().getAudioChannelCount()) {
282			audioDeviceModel.setBackendChannelCount(c);
283			}
284			}
285
286	iliev	1785	@Override
287	iliev	1286	public void
288			settingsChanged(AudioDeviceEvent e) {
289			int c = (Integer)spinnerChannels.getValue();
290			int nc = audioDeviceModel.getDeviceInfo().getAudioChannelCount();
291			if(c != nc) spinnerChannels.setValue(nc);
292
293			boolean a = checkActive.isSelected();
294			boolean na = audioDeviceModel.isActive();
295			if(a != na) checkActive.setSelected(na);
296
297			AudioOutputDevice d = e.getAudioDeviceModel().getDeviceInfo();
298	iliev	1445	updateParams(d);
299	iliev	1286
300			int idx = cbChannel.getSelectedIndex();
301			cbChannel.removeAllItems();
302			for(AudioOutputChannel chn : d.getAudioChannels()) cbChannel.addItem(chn);
303
304			if(idx >= cbChannel.getModel().getSize()) idx = 0;
305
306			if(cbChannel.getModel().getSize() > 0) cbChannel.setSelectedIndex(idx);
307			}
308	iliev	2192
309			/** Invoked when when a new send effect chain is added to the audio device. */
310			@Override public void sendEffectChainAdded(AudioDeviceEvent e) { }
311
312			/** Invoked when when a send effect chain is removed from the audio device. */
313			@Override public void sendEffectChainRemoved(AudioDeviceEvent e) { }
314	iliev	1286
315	iliev	1785	@Override
316	iliev	1286	public void
317			parameterChanged(ParameterEvent e) {
318			int c = cbChannel.getSelectedIndex();
319			if(c == -1) {
320			CC.getLogger().warning("There is no audio channel selected!");
321			return;
322			}
323
324			audioDeviceModel.setBackendChannelParameter(c, e.getParameter());
325			}
326	iliev	1445
327			private void
328			updateParams(AudioOutputDevice d) {
329	iliev	1606	Parameter p = d.getSampleRateParameter();
330			boolean b = p == null \|\| p.getName() == null \|\| p.getValue() == null;
331	iliev	1445	Parameter[] params = d.getAdditionalParameters();
332	iliev	1606	Parameter[] p2s;
333			if(b) p2s = new Parameter[params.length];
334			else p2s = new Parameter[params.length + 1];
335	iliev	1445
336			for(int i = 0; i < params.length; i++) p2s[i] = params[i];
337
338	iliev	1606	if(!b) p2s[params.length] = p;
339	iliev	1445
340			additionalParamsTable.getModel().setParameters(p2s);
341			}
342	iliev	1286	}
343
344			}