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/* |
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* JSampler - a java front-end for LinuxSampler |
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* |
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* Copyright (C) 2005 Grigor Kirilov Iliev |
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* |
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* This file is part of JSampler. |
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* |
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* JSampler is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 |
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* as published by the Free Software Foundation. |
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* |
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* JSampler is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with JSampler; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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package org.jsampler; |
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|
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import java.util.Vector; |
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|
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import java.util.logging.Level; |
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|
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import javax.swing.SwingUtilities; |
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|
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import javax.swing.event.EventListenerList; |
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|
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import org.jsampler.event.AudioDeviceListEvent; |
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import org.jsampler.event.AudioDeviceListListener; |
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import org.jsampler.event.MidiDeviceListEvent; |
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import org.jsampler.event.MidiDeviceListListener; |
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import org.jsampler.event.SamplerChannelListEvent; |
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import org.jsampler.event.SamplerChannelListListener; |
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import org.jsampler.event.SamplerEvent; |
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import org.jsampler.event.SamplerListener; |
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|
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import org.jsampler.task.AddChannel; |
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|
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import org.linuxsampler.lscp.*; |
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|
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|
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/** |
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* This class provides default implementation of the <code>SamplerModel</code> interface. |
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* @author Grigor Iliev |
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*/ |
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public class DefaultSamplerModel implements SamplerModel { |
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private ServerInfo serverInfo = null; |
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private AudioOutputDriver[] aoDrvS = null; |
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private MidiInputDriver[] miDrvS = null; |
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private SamplerEngine[] engines = null; |
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|
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private int totalVoiceCount = 0; |
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private int totalVoiceCountMax = 0; |
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|
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private final Vector<SamplerChannelModel> channelModels = new Vector<SamplerChannelModel>(); |
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private final Vector<AudioDeviceModel> audioDeviceModels = new Vector<AudioDeviceModel>(); |
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private final Vector<MidiDeviceModel> midiDeviceModels = new Vector<MidiDeviceModel>(); |
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|
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private final Vector<SamplerListener> listeners = new Vector<SamplerListener>(); |
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private final EventListenerList listenerList = new EventListenerList(); |
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|
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|
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/** Creates a new instance of DefaultSamplerModel */ |
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public |
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DefaultSamplerModel() { |
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} |
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|
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/** |
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* Registers the specified listener for receiving event messages. |
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* @param l The <code>SamplerListener</code> to register. |
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*/ |
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public void |
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addSamplerListener(SamplerListener l) { listeners.add(l); } |
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|
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/** |
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* Removes the specified listener. |
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* @param l The <code>SamplerListener</code> to remove. |
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*/ |
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public void |
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removeSamplerListener(SamplerListener l) { listeners.remove(l); } |
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|
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/** |
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* Registers the specified listener for receiving event messages. |
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* @param listener The <code>AudioDeviceListListener</code> to register. |
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*/ |
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public void |
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addAudioDeviceListListener(AudioDeviceListListener listener) { |
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listenerList.add(AudioDeviceListListener.class, listener); |
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} |
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|
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/** |
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* Removes the specified listener. |
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* @param listener The <code>AudioDeviceListListener</code> to remove. |
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*/ |
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public void |
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removeAudioDeviceListListener(AudioDeviceListListener listener) { |
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listenerList.remove(AudioDeviceListListener.class, listener); |
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} |
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|
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/** |
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* Registers the specified listener for receiving event messages. |
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* @param listener The <code>MidiDeviceListListener</code> to register. |
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*/ |
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public void |
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addMidiDeviceListListener(MidiDeviceListListener listener) { |
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listenerList.add(MidiDeviceListListener.class, listener); |
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} |
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|
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/** |
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* Removes the specified listener. |
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* @param listener The <code>MidiDeviceListListener</code> to remove. |
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*/ |
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public void |
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removeMidiDeviceListListener(MidiDeviceListListener listener) { |
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listenerList.remove(MidiDeviceListListener.class, listener); |
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} |
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|
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/** |
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* Registers the specified listener for receiving event messages. |
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* @param listener The <code>SamplerChannelListListener</code> to register. |
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*/ |
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public void |
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addSamplerChannelListListener(SamplerChannelListListener listener) { |
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listenerList.add(SamplerChannelListListener.class, listener); |
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} |
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|
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/** |
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* Removes the specified listener. |
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* @param listener The <code>SamplerChannelListListener</code> to remove. |
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*/ |
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public void |
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removeSamplerChannelListListener(SamplerChannelListListener listener) { |
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listenerList.remove(SamplerChannelListListener.class, listener); |
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} |
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|
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/** |
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* Gets information about the LinuxSampler instance the front-end is connected to. |
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* |
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* @return <code>ServerInfo</code> instance containing |
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* information about the LinuxSampler instance the front-end is connected to. |
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*/ |
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public ServerInfo |
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getServerInfo() { return serverInfo; } |
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|
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/** |
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* Sets information about the LinuxSampler instance the front-end is connected to. |
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* |
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* @param serverInfo <code>ServerInfo</code> instance containing |
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* information about the LinuxSampler instance the front-end is connected to. |
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*/ |
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public void |
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setServerInfo(ServerInfo serverInfo) { this.serverInfo = serverInfo; } |
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|
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/** |
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* Gets all audio output drivers currently available for the LinuxSampler instance. |
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* |
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* @return <code>AudioOutputDriver</code> array containing all audio output drivers |
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* currently available for the LinuxSampler instance. |
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*/ |
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public AudioOutputDriver[] |
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getAudioOutputDrivers() { return aoDrvS; } |
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|
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/** |
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* Sets the currently available audio output drivers for the LinuxSampler instance. |
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* |
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* @param drivers <code>AudioOutputDriver</code> array containing all audio output drivers |
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* currently available for the LinuxSampler instance. |
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*/ |
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public void |
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setAudioOutputDrivers(AudioOutputDriver[] drivers) { aoDrvS = drivers; } |
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|
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/** |
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* Gets the model of the audio device with ID <code>deviceID</code>. |
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* @param deviceID The ID of the audio device whose model should be obtained. |
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* @return The model of the specified audio device or <code>null</code> |
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* if there is no audio device with ID <code>deviceID</code>. |
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*/ |
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public AudioDeviceModel |
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getAudioDeviceModel(int deviceID) { |
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for(AudioDeviceModel m : audioDeviceModels) |
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if(m.getDeviceID() == deviceID) return m; |
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|
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return null; |
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} |
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|
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/** |
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* Gets the current number of audio devices. |
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* @return The current number of audio devices. |
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*/ |
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public int |
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getAudioDeviceCount() { return audioDeviceModels.size(); } |
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|
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/** |
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* Gets the current list of audio device models. |
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* @return The current list of audio device models. |
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*/ |
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public AudioDeviceModel[] |
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getAudioDeviceModels() { |
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return audioDeviceModels.toArray(new AudioDeviceModel[audioDeviceModels.size()]); |
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} |
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|
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/** |
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* Adds the specified audio device. |
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* @param device The audio device to be added. |
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*/ |
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public void |
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addAudioDevice(AudioOutputDevice device) { |
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DefaultAudioDeviceModel model = new DefaultAudioDeviceModel(device); |
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audioDeviceModels.add(model); |
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fireAudioDeviceAdded(model); |
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} |
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|
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/** |
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* Removes the specified audio device. |
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* @param deviceID The ID of the audio device to be removed. |
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* @return <code>true</code> if the audio device is removed successfully, <code>false</code> |
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* if the device list does not contain audio device with ID <code>deviceID</code>. |
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*/ |
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public boolean |
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removeAudioDevice(int deviceID) { |
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for(int i = 0; i < audioDeviceModels.size(); i++) { |
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AudioDeviceModel m = audioDeviceModels.get(i); |
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if(m.getDeviceID() == deviceID) { |
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audioDeviceModels.remove(i); |
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fireAudioDeviceRemoved(m); |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Gets all MIDI input drivers currently available for the LinuxSampler instance. |
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* |
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* @return <code>MidiInputDriver</code> array containing all MIDI input drivers currently |
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* available for the LinuxSampler instance. |
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*/ |
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public MidiInputDriver[] |
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getMidiInputDrivers() { return miDrvS; } |
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|
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/** |
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* Sets the currently available MIDI input drivers for the LinuxSampler instance. |
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* |
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* @param drivers <code>MidiInputDriver</code> array containing all MIDI input drivers |
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* currently available for the LinuxSampler instance. |
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*/ |
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public void |
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setMidiInputDrivers(MidiInputDriver[] drivers) { miDrvS = drivers; } |
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|
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/** |
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* Gets the model of the MIDI device with ID <code>deviceID</code>. |
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* @param deviceID The ID of the MIDI device whose model should be obtained. |
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* @return The model of the specified MIDI device or <code>null</code> |
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* if there is no MIDI device with ID <code>deviceID</code>. |
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*/ |
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public MidiDeviceModel |
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getMidiDeviceModel(int deviceID) { |
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for(MidiDeviceModel m : midiDeviceModels) |
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if(m.getDeviceID() == deviceID) return m; |
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|
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return null; |
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} |
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|
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/** |
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* Gets the current number of MIDI input devices. |
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* @return The current number of MIDI input devices. |
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*/ |
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public int |
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getMidiDeviceCount() { return midiDeviceModels.size(); } |
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|
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/** |
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* Gets the current list of MIDI device models. |
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* @return The current list of MIDI device models. |
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*/ |
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public MidiDeviceModel[] |
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getMidiDeviceModels() { |
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return midiDeviceModels.toArray(new MidiDeviceModel[midiDeviceModels.size()]); |
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} |
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|
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/** |
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* Adds the specified MIDI device. |
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* @param device The MIDI device to be added. |
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*/ |
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public void |
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addMidiDevice(MidiInputDevice device) { |
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DefaultMidiDeviceModel model = new DefaultMidiDeviceModel(device); |
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midiDeviceModels.add(model); |
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fireMidiDeviceAdded(model); |
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} |
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|
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/** |
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* Removes the specified MIDI device. |
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* @param deviceID The ID of the MIDI device to be removed. |
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* @return <code>true</code> if the MIDI device is removed successfully, <code>false</code> |
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* if the device list does not contain MIDI device with ID <code>deviceID</code>. |
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*/ |
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public boolean |
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removeMidiDevice(int deviceID) { |
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for(int i = 0; i < midiDeviceModels.size(); i++) { |
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MidiDeviceModel m = midiDeviceModels.get(i); |
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if(m.getDeviceID() == deviceID) { |
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midiDeviceModels.remove(i); |
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fireMidiDeviceRemoved(m); |
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return true; |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Gets a list of all available engines. |
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* @return A list of all available engines. |
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*/ |
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public SamplerEngine[] |
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getEngines() { return engines; } |
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|
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/** |
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* Sets the list of all available engines. |
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* @param engines The new list of all available engines. |
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*/ |
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public void |
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setEngines(SamplerEngine[] engines) { this.engines = engines; } |
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|
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/** |
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* Gets the model of the sampler channel with ID <code>channelID</code>. |
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* @param channelID The ID of the sampler channel whose model should be obtained. |
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* @return The model of the specified sampler channel or <code>null</code> |
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* if there is no channel with ID <code>channelID</code>. |
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*/ |
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public SamplerChannelModel |
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getChannelModel(int channelID) { |
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for(SamplerChannelModel m : channelModels) |
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if(m.getChannelID() == channelID) return m; |
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|
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return null; |
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} |
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|
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/** |
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* Gets the current number of sampler channels. |
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* @return The current number of sampler channels. |
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*/ |
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public int |
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getChannelCount() { return channelModels.size(); } |
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|
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/** |
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* Gets the current list of sampler channel models. |
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* @return The current list of sampler channel models. |
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*/ |
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public SamplerChannelModel[] |
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getChannelModels() { |
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return channelModels.toArray(new SamplerChannelModel[channelModels.size()]); |
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} |
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|
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/** |
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* Creates a new sampler channel. The channel will be actually added to this model |
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* when the back-end notifies for its creation. |
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* @see #addChannel |
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*/ |
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public void |
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createChannel() { |
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CC.getTaskQueue().add(new AddChannel()); |
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// We leave this event to be notified by the LinuxSampler notification system. |
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} |
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|
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/** |
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* Adds the specified sampler channel. |
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* @param channel The channel to be added. |
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*/ |
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public void |
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addChannel(SamplerChannel channel) { |
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DefaultSamplerChannelModel model = new DefaultSamplerChannelModel(channel); |
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channelModels.add(model); |
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fireSamplerChannelAdded(model); |
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} |
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|
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/** |
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* Updates the settings of the specified channel. |
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* @param channel A <code>SamplerChannel</code> instance containing the new settings |
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* for the channel. |
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*/ |
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public void |
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changeChannel(SamplerChannel channel) { |
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for(SamplerChannelModel m : channelModels) { |
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if(m.getChannelID() == channel.getChannelID()) { |
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m.setChannelInfo(channel); |
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return; |
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} |
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} |
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|
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CC.getLogger().log ( |
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Level.WARNING, "DefaultSamplerModel.unknownChannel!", channel.getChannelID() |
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); |
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} |
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|
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/** |
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* Removes the specified sampler channel. |
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* @param channelID The ID of the channel to be removed. |
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* @return <code>true</code> if the channel is removed successfully, <code>false</code> |
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* if the channel's list does not contain channel with ID <code>channelID</code>. |
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*/ |
408 |
public boolean |
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removeChannel(int channelID) { |
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for(int i = 0; i < channelModels.size(); i++) { |
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SamplerChannelModel m = channelModels.get(i); |
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if(m.getChannelID() == channelID) { |
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channelModels.remove(i); |
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fireSamplerChannelRemoved(m); |
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return true; |
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} |
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} |
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|
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return false; |
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} |
421 |
|
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/** |
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* Determines whether there is at least one solo channel in the current list |
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* of sampler channels. |
425 |
* @return <code>true</code> if there is at least one solo channel in the current list of |
426 |
* sampler channels, <code>false</code> otherwise. |
427 |
*/ |
428 |
public boolean |
429 |
hasSoloChannel() { |
430 |
for(SamplerChannelModel m : channelModels) |
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if(m.getChannelInfo().isSoloChannel()) return true; |
432 |
|
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return false; |
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} |
435 |
|
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/** |
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* Gets the number of solo channels in the current list of sampler channels. |
438 |
* @return The number of solo channels in the current list of sampler channels. |
439 |
*/ |
440 |
public int |
441 |
getSoloChannelCount() { |
442 |
int count = 0; |
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for(SamplerChannelModel m : channelModels) |
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if(m.getChannelInfo().isSoloChannel()) count++; |
445 |
|
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return count; |
447 |
} |
448 |
|
449 |
/** |
450 |
* Gets the number of muted channels in the current list of sampler channels. |
451 |
* This number includes the channels muted because of the presence of a solo channel. |
452 |
* @return The number of muted channels in the current list of sampler channels. |
453 |
*/ |
454 |
public int |
455 |
getMutedChannelCount() { |
456 |
int count = 0; |
457 |
for(SamplerChannelModel m : channelModels) |
458 |
if(m.getChannelInfo().isMuted()) count++; |
459 |
|
460 |
return count; |
461 |
} |
462 |
|
463 |
/** |
464 |
* Gets the number of channels muted because of the presence of a solo channel. |
465 |
* @return The number of channels muted because of the presence of a solo channel. |
466 |
*/ |
467 |
public int |
468 |
getMutedBySoloChannelCount() { |
469 |
int count = 0; |
470 |
for(SamplerChannelModel m : channelModels) |
471 |
if(m.getChannelInfo().isMutedBySolo()) count++; |
472 |
|
473 |
return count; |
474 |
} |
475 |
|
476 |
/** |
477 |
* Gets the total number of active voices. |
478 |
* @return The total number of active voices. |
479 |
*/ |
480 |
public int |
481 |
getTotalVoiceCount() { return totalVoiceCount; } |
482 |
|
483 |
/** |
484 |
* Gets the maximum number of active voices. |
485 |
* @return The maximum number of active voices. |
486 |
*/ |
487 |
public int |
488 |
getTotalVoiceCountMax() { return totalVoiceCountMax; } |
489 |
|
490 |
/** |
491 |
* Updates the current and the maximum number of active voices in the sampler. |
492 |
* @param count The new number of active voices. |
493 |
* @param countMax The maximum number of active voices. |
494 |
*/ |
495 |
public void |
496 |
updateActiveVoiceInfo(int count, int countMax) { |
497 |
if(totalVoiceCount == count && totalVoiceCountMax == countMax) return; |
498 |
|
499 |
totalVoiceCount = count; |
500 |
totalVoiceCountMax = countMax; |
501 |
fireTotalVoiceCountChanged(); |
502 |
} |
503 |
|
504 |
/** |
505 |
* Notifies listeners that a sampler channel has been added. |
506 |
* @param channelModel A <code>SamplerChannelModel</code> instance. |
507 |
*/ |
508 |
private void |
509 |
fireSamplerChannelAdded(SamplerChannelModel channelModel) { |
510 |
final SamplerChannelListEvent e = new SamplerChannelListEvent(this, channelModel); |
511 |
|
512 |
SwingUtilities.invokeLater(new Runnable() { |
513 |
public void |
514 |
run() { fireSamplerChannelAdded(e); } |
515 |
}); |
516 |
} |
517 |
/** |
518 |
* Notifies listeners that a sampler channel has been added. |
519 |
* This method should be invoked from the event-dispatching thread. |
520 |
*/ |
521 |
private void |
522 |
fireSamplerChannelAdded(SamplerChannelListEvent e) { |
523 |
Object[] listeners = listenerList.getListenerList(); |
524 |
|
525 |
for(int i = listeners.length - 2; i >= 0; i -= 2) { |
526 |
if(listeners[i] == SamplerChannelListListener.class) { |
527 |
((SamplerChannelListListener)listeners[i + 1]).channelAdded(e); |
528 |
} |
529 |
} |
530 |
} |
531 |
|
532 |
/** |
533 |
* Notifies listeners that a sampler channel has been removed. |
534 |
* @param channelModel A <code>SamplerChannelModel</code> instance. |
535 |
*/ |
536 |
private void |
537 |
fireSamplerChannelRemoved(SamplerChannelModel channelModel) { |
538 |
final SamplerChannelListEvent e = new SamplerChannelListEvent(this, channelModel); |
539 |
|
540 |
SwingUtilities.invokeLater(new Runnable() { |
541 |
public void |
542 |
run() { fireSamplerChannelRemoved(e); } |
543 |
}); |
544 |
} |
545 |
|
546 |
/** |
547 |
* Notifies listeners that a sampler channel has been removed. |
548 |
* This method should be invoked from the event-dispatching thread. |
549 |
*/ |
550 |
private void |
551 |
fireSamplerChannelRemoved(SamplerChannelListEvent e) { |
552 |
Object[] listeners = listenerList.getListenerList(); |
553 |
|
554 |
for(int i = listeners.length - 2; i >= 0; i -= 2) { |
555 |
if(listeners[i] == SamplerChannelListListener.class) { |
556 |
((SamplerChannelListListener)listeners[i + 1]).channelRemoved(e); |
557 |
} |
558 |
} |
559 |
} |
560 |
|
561 |
/** |
562 |
* Notifies listeners that a MIDI device has been added. |
563 |
* @param model A <code>MidiDeviceModel</code> instance. |
564 |
*/ |
565 |
private void |
566 |
fireMidiDeviceAdded(MidiDeviceModel model) { |
567 |
final MidiDeviceListEvent e = new MidiDeviceListEvent(this, model); |
568 |
|
569 |
SwingUtilities.invokeLater(new Runnable() { |
570 |
public void |
571 |
run() { fireMidiDeviceAdded(e); } |
572 |
}); |
573 |
} |
574 |
/** |
575 |
* Notifies listeners that a MIDI device has been added. |
576 |
* This method should be invoked from the event-dispatching thread. |
577 |
*/ |
578 |
private void |
579 |
fireMidiDeviceAdded(MidiDeviceListEvent e) { |
580 |
Object[] listeners = listenerList.getListenerList(); |
581 |
|
582 |
for(int i = listeners.length - 2; i >= 0; i -= 2) { |
583 |
if(listeners[i] == MidiDeviceListListener.class) { |
584 |
((MidiDeviceListListener)listeners[i + 1]).deviceAdded(e); |
585 |
} |
586 |
} |
587 |
} |
588 |
|
589 |
/** |
590 |
* Notifies listeners that a MIDI device has been removed. |
591 |
* @param model A <code>MidiDeviceModel</code> instance. |
592 |
*/ |
593 |
private void |
594 |
fireMidiDeviceRemoved(MidiDeviceModel model) { |
595 |
final MidiDeviceListEvent e = new MidiDeviceListEvent(this, model); |
596 |
|
597 |
SwingUtilities.invokeLater(new Runnable() { |
598 |
public void |
599 |
run() { fireMidiDeviceRemoved(e); } |
600 |
}); |
601 |
} |
602 |
|
603 |
/** |
604 |
* Notifies listeners that a MIDI device has been removed. |
605 |
* This method should be invoked from the event-dispatching thread. |
606 |
*/ |
607 |
private void |
608 |
fireMidiDeviceRemoved(MidiDeviceListEvent e) { |
609 |
Object[] listeners = listenerList.getListenerList(); |
610 |
|
611 |
for(int i = listeners.length - 2; i >= 0; i -= 2) { |
612 |
if(listeners[i] == MidiDeviceListListener.class) { |
613 |
((MidiDeviceListListener)listeners[i + 1]).deviceRemoved(e); |
614 |
} |
615 |
} |
616 |
} |
617 |
|
618 |
/** |
619 |
* Notifies listeners that an audio device has been added. |
620 |
* @param model A <code>AudioDeviceModel</code> instance. |
621 |
*/ |
622 |
private void |
623 |
fireAudioDeviceAdded(AudioDeviceModel model) { |
624 |
final AudioDeviceListEvent e = new AudioDeviceListEvent(this, model); |
625 |
|
626 |
SwingUtilities.invokeLater(new Runnable() { |
627 |
public void |
628 |
run() { fireAudioDeviceAdded(e); } |
629 |
}); |
630 |
} |
631 |
|
632 |
/** |
633 |
* Notifies listeners that an audio device has been added. |
634 |
* This method should be invoked from the event-dispatching thread. |
635 |
*/ |
636 |
private void |
637 |
fireAudioDeviceAdded(AudioDeviceListEvent e) { |
638 |
Object[] listeners = listenerList.getListenerList(); |
639 |
|
640 |
for(int i = listeners.length - 2; i >= 0; i -= 2) { |
641 |
if(listeners[i] == AudioDeviceListListener.class) { |
642 |
((AudioDeviceListListener)listeners[i + 1]).deviceAdded(e); |
643 |
} |
644 |
} |
645 |
} |
646 |
|
647 |
/** |
648 |
* Notifies listeners that an audio device has been removed. |
649 |
* @param model A <code>AudioDeviceModel</code> instance. |
650 |
*/ |
651 |
private void |
652 |
fireAudioDeviceRemoved(AudioDeviceModel model) { |
653 |
final AudioDeviceListEvent e = new AudioDeviceListEvent(this, model); |
654 |
|
655 |
SwingUtilities.invokeLater(new Runnable() { |
656 |
public void |
657 |
run() { fireAudioDeviceRemoved(e); } |
658 |
}); |
659 |
} |
660 |
|
661 |
/** |
662 |
* Notifies listeners that an audio device has been removed. |
663 |
* This method should be invoked from the event-dispatching thread. |
664 |
*/ |
665 |
private void |
666 |
fireAudioDeviceRemoved(AudioDeviceListEvent e) { |
667 |
Object[] listeners = listenerList.getListenerList(); |
668 |
|
669 |
for(int i = listeners.length - 2; i >= 0; i -= 2) { |
670 |
if(listeners[i] == AudioDeviceListListener.class) { |
671 |
((AudioDeviceListListener)listeners[i + 1]).deviceRemoved(e); |
672 |
} |
673 |
} |
674 |
} |
675 |
|
676 |
/** Notifies listeners that the total number of active voices has changed. */ |
677 |
private void |
678 |
fireTotalVoiceCountChanged() { |
679 |
final SamplerEvent e = new SamplerEvent(this); |
680 |
|
681 |
SwingUtilities.invokeLater(new Runnable() { |
682 |
public void |
683 |
run() { fireTotalVoiceCountChanged(e); } |
684 |
}); |
685 |
} |
686 |
|
687 |
/** |
688 |
* Notifies listeners that the total number of active voices has changed. |
689 |
* This method should be invoked from the event-dispatching thread. |
690 |
*/ |
691 |
private void |
692 |
fireTotalVoiceCountChanged(SamplerEvent e) { |
693 |
for(SamplerListener l : listeners) l.totalVoiceCountChanged(e); |
694 |
} |
695 |
} |