org/jsampler/SamplerModel.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2005-2006 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;

import org.jsampler.event.ListListener;
import org.jsampler.event.MidiDeviceListListener;
import org.jsampler.event.SamplerChannelListListener;
import org.jsampler.event.SamplerListener;

import org.linuxsampler.lscp.*;


/**
 * A data model representing a sampler.
 * Note that the setter methods does <b>not</b> alter any settings
 * on the backend side unless otherwise specified.
 * @author Grigor Iliev
 */
public interface SamplerModel {
        /**
         * Registers the specified listener for receiving event messages.
         * @param l The <code>SamplerListener</code> to register.
         */
        public void addSamplerListener(SamplerListener l);
        
        /**
         * Removes the specified listener.
         * @param l The <code>SamplerListener</code> to remove.
         */
        public void removeSamplerListener(SamplerListener l);
        
        /**
         * Registers the specified listener for receiving event messages.
         * @param listener The <code>ListListener</code> to register.
         */
        public void addAudioDeviceListListener(ListListener<AudioDeviceModel> listener);
        
        /**
         * Removes the specified listener.
         * @param listener The <code>ListListener</code> to remove.
         */
        public void removeAudioDeviceListListener(ListListener<AudioDeviceModel> listener);
        
        /**
         * Registers the specified listener for receiving event messages.
         * @param listener The <code>MidiDeviceListListener</code> to register.
         */
        public void addMidiDeviceListListener(MidiDeviceListListener listener);
        
        /**
         * Removes the specified listener.
         * @param listener The <code>MidiDeviceListListener</code> to remove.
         */
        public void removeMidiDeviceListListener(MidiDeviceListListener listener);
        
        /**
         * Registers the specified listener for receiving event messages.
         * @param listener The <code>ListListener</code> to register.
         */
        public void addMidiInstrumentMapListListener(ListListener<MidiInstrumentMap> listener);
        
        /**
         * Removes the specified listener.
         * @param listener The <code>ListListener</code> to remove.
         */
        public void removeMidiInstrumentMapListListener(ListListener<MidiInstrumentMap> listener);
        
        /**
         * Registers the specified listener for receiving event messages.
         * @param listener The <code>SamplerChannelListListener</code> to register.
         */
        public void addSamplerChannelListListener(SamplerChannelListListener listener);
        
        /**
         * Removes the specified listener.
         * @param listener The <code>SamplerChannelListListener</code> to remove.
         */
        public void removeSamplerChannelListListener(SamplerChannelListListener listener);
        
        /**
         * Gets information about the LinuxSampler instance the front-end is connected to.
         * 
         * @return <code>ServerInfo</code> instance containing
         * information about the LinuxSampler instance the front-end is connected to.
         */
        public ServerInfo getServerInfo();
        
        /**
         * Gets all audio output drivers currently available for the LinuxSampler instance.
         * 
         * @return <code>AudioOutputDriver</code> array containing all audio output drivers
         * currently available for the LinuxSampler instance.
         */
        public AudioOutputDriver[] getAudioOutputDrivers();
        
        /**
         * Gets the model of the audio device with ID <code>deviceId</code>.
         * @param deviceId The ID of the audio device whose model should be obtained.
         * @return The model of the specified audio device or <code>null</code> 
         * if there is no audio device with ID <code>deviceId</code>.
         */
        public AudioDeviceModel getAudioDeviceModel(int deviceId);
        
        /**
         * Gets the current number of audio devices.
         * @return The current number of audio devices.
         */
        public int getAudioDeviceCount();
        
        /**
         * Gets the current list of audio device models.
         * @return The current list of audio device models.
         */
        public AudioDeviceModel[] getAudioDeviceModels();
        
        /**
         * Adds the specified audio device.
         * @param device The audio device to be added.
         */
        public void addAudioDevice(AudioOutputDevice device);
        
        /**
         * Removes the specified audio device.
         * @param deviceId The ID of the audio device to be removed.
         * @return <code>true</code> if the audio device is removed successfully, <code>false</code>
         * if the device list does not contain audio device with ID <code>deviceId</code>.
         */
        public boolean removeAudioDevice(int deviceId);
        
        /**
         * Removes (on the backend side) the specified audio device.
         * @param deviceId The ID of the audio device to be removed.
         */
        public void removeBackendAudioDevice(int deviceId);
        
        /**
         * Gets all MIDI input drivers currently available for the LinuxSampler instance.
         * 
         * @return <code>MidiInputDriver</code> array containing all MIDI input drivers currently 
         * available for the LinuxSampler instance.
         */
        public MidiInputDriver[] getMidiInputDrivers();
        
        /**
         * Gets the model of the MIDI device with ID <code>deviceId</code>.
         * @param deviceId The ID of the MIDI device whose model should be obtained.
         * @return The model of the specified MIDI device or <code>null</code> 
         * if there is no MIDI device with ID <code>deviceId</code>.
         */
        public MidiDeviceModel getMidiDeviceModel(int deviceId);
        
        /**
         * Gets the current number of MIDI input devices.
         * @return The current number of MIDI input devices.
         */
        public int getMidiDeviceCount();
        
        /**
         * Gets the current list of MIDI device models.
         * @return The current list of MIDI device models.
         */
        public MidiDeviceModel[] getMidiDeviceModels();
        
        /**
         * Adds the specified MIDI device.
         * @param device The MIDI device to be added.
         */
        public void addMidiDevice(MidiInputDevice device);
        
        /**
         * Schedules a new task for adding new MIDI device.
         * @param driver The desired MIDI input system.
         * @param parameters An optional list of driver specific parameters.
         */
        public void addBackendMidiDevice(String driver, Parameter... parameters);
        
        /**
         * Removes the specified MIDI device.
         * @param deviceId The ID of the MIDI device to be removed.
         * @return <code>true</code> if the MIDI device is removed successfully, <code>false</code>
         * if the device list does not contain MIDI device with ID <code>deviceId</code>.
         */
        public boolean removeMidiDevice(int deviceId);
        
        /**
         * Schedules a new task for removing the specified MIDI device.
         * @param deviceId The ID of the MIDI input device to be destroyed.
         */
        public void removeBackendMidiDevice(int deviceId);
        
        /**
         * Gets the MIDI instrument map with ID <code>mapId</code>.
         * @param mapId The ID of the MIDI instrument map to obtain.
         * @return The MIDI instrument map with the specified ID or <code>null</code> 
         * if there is no MIDI instrument map with ID <code>mapId</code>.
         */
        public MidiInstrumentMap getMidiInstrumentMapById(int mapId);
        
        /**
         * Gets the MIDI instrument map at the specified position.
         * @param index The position of the MIDI instrument map to return.
         * @return The MIDI instrument map at the specified position.
         */
        public MidiInstrumentMap getMidiInstrumentMap(int index);
        
        /**
         * Gets the current number of MIDI instrument maps.
         * @return The current number of MIDI instrument maps.
         */
        public int getMidiInstrumentMapCount();
        
        /**
         * Gets the current list of MIDI instrument maps.
         * @return The current list of MIDI instrument maps.
         */
        public MidiInstrumentMap[] getMidiInstrumentMaps();
        
        /**
         * Adds the specified MIDI instrument map.
         * @param map The MIDI instrument map to be added.
         */
        public void addMidiInstrumentMap(MidiInstrumentMap map);
        
        /**
         * Schedules a new task for creating a new MIDI instrument map on the backend side.
         * @param name The name of the MIDI instrument map.
         * @throws IllegalArgumentException If <code>name</code> is <code>null</code>.
         */
        public void addBackendMidiInstrumentMap(String name);
        
        /**
         * Removes the specified MIDI instrument map.
         * @param mapId The ID of the MIDI instrument map to be removed.
         * @return <code>true</code> if the MIDI instrument map is removed successfully,
         * <code>false</code> if the MIDI instrument map's list does not contain
         * MIDI instrument map with ID <code>mapId</code>.
         */
        public boolean removeMidiInstrumentMap(int mapId);
        
        /** Removes all MIDI instrument maps. */
        public void removeAllMidiInstrumentMaps();
        
        /**
         * Schedules a new task for removing the
         * specified MIDI instrument map on the backend side.
         * @param mapId The numerical ID of the MIDI instrument map to remove.
         * @throws IllegalArgumentException If <code>mapId</code> is negative.
         */
        public void removeBackendMidiInstrumentMap(int mapId);
        
        /**
         * Schedules a new task for changing the name of
         * the specified MIDI instrument map on the backend side.
         * @param mapId The numerical ID of the MIDI instrument map.
         * @param name The new name for the specified MIDI instrument map.
         */
        public void setBackendMidiInstrumentMapName(int mapId, String name);
        
        /**
         * Gets the default MIDI instrument map.
         * @return The default MIDI instrument map or <code>null</code>
         * if there are no maps created.
         */
        public MidiInstrumentMap getDefaultMidiInstrumentMap();
        
        /**
         * Schedules a new task for mapping a MIDI instrument on the backend side.
         * @param mapId The id of the MIDI instrument map.
         * @param bank The index of the MIDI bank, which shall contain the instrument.
         * @param program The MIDI program number of the new instrument.
         * @param instrInfo Provides the MIDI instrument settings.
         */
        public void
        mapBackendMidiInstrument(int mapId, int bank, int program, MidiInstrumentInfo instrInfo);
        
        /**
         * Schedules a new task for removing a MIDI instrument on the backend side.
         * @param mapId The id of the MIDI instrument map containing the instrument to be removed.
         * @param bank The index of the MIDI bank containing the instrument to be removed.
         * @param program The MIDI program number of the instrument to be removed.
         */
        public void unmapBackendMidiInstrument(int mapId, int bank, int program);
        
        /**
         * Gets a list of all available engines.
         * @return A list of all available engines.
         */
        public SamplerEngine[] getEngines();
        
        /**
         * Gets the current list of sampler channel models.
         * @return The current list of sampler channel models.
         */
        public SamplerChannelModel[] getChannelModels();
        
        /**
         * Gets the model of the sampler channel with ID <code>channelId</code>.
         * @param channelId The ID of the sampler channel whose model should be obtained.
         * @return The model of the specified sampler channel or <code>null</code> 
         * if there is no channel with ID <code>channelId</code>.
         */
        public SamplerChannelModel getChannelModel(int channelId);
        
        /**
         * Gets the current number of sampler channels.
         * @return The current number of sampler channels.
         */
        public int getChannelCount();
        
        /**
         * Adds a new sampler channel on the backend side. The channel will
         * be actually added to this model when the backend notifies for its creation.
         * @see #addChannel
         */
        public void addBackendChannel();
        
        /**
         * Adds the specified sampler channel.
         * @param channel The channel to be added.
         */
        public void addChannel(SamplerChannel channel);
        
        /**
         * Removes the specified sampler channel.
         * Note that this method doesn't remove the channel in the backend,
         * it is used to remove the channel from the model when those channel
         * is removed in the backend.
         * @param channelId The ID of the channel to be removed.
         * @return <code>true</code> if the channel is removed successfully, <code>false</code>
         * if the channel's list does not contain channel with ID <code>channelId</code>.
         */
        public boolean removeChannel(int channelId);
        
        /**
         * Schedules a new task for removing the specified sampler channel on the backend side.
         * @param channelId The ID of the channel to be removed.
         */
        public void removeBackendChannel(int channelId);
        
        /**
         * Updates the settings of the specified channel.
         * @param channel A <code>SamplerChannel</code> instance containing the new settings
         * for the channel.
         */
        public void updateChannel(SamplerChannel channel);
        
        /**
         * Determines whether there is at least one solo channel in the current list
         * of sampler channels.
         * @return <code>true</code> if there is at least one solo channel in the current list of 
         * sampler channels, <code>false</code> otherwise.
         */
        public boolean hasSoloChannel();
        
        /**
         * Gets the number of solo channels in the current list of sampler channels.
         * @return The number of solo channels in the current list of sampler channels.
         */
        public int getSoloChannelCount();
        
        /**
         * Gets the number of muted channels in the current list of sampler channels.
         * This number includes the channels muted because of the presence of a solo channel.
         * @return The number of muted channels in the current list of sampler channels.
         */
        public int getMutedChannelCount();
        
        /**
         * Gets the number of channels muted because of the presence of a solo channel.
         * @return The number of channels muted because of the presence of a solo channel.
         */
        public int getMutedBySoloChannelCount();
        
        /**
         * Gets the total number of active voices.
         * @return The total number of active voices.
         */
        public int getTotalVoiceCount();
        
        /**
         * Gets the maximum number of active voices.
         * @return The maximum number of active voices.
         */
        public int getTotalVoiceCountMax();
        
        /**
         * Gets the golobal volume of the sampler.
         * @return The golobal volume of the sampler.
         */
        public float getVolume();
        
        /**
         * Sets the global volume.
         * @param volume The new volume value.
         */
        public void setVolume(float volume);
        
        /**
         * Sets the global volume on the backend side.
         * @param volume The new volume value.
         */
        public void setBackendVolume(float volume);
        
        /**
         * Schedules a new task for resetting the sampler.
         */
        public void resetBackend();
        
        /**
         * Updates the current and the maximum number of active voices in the sampler.
         * @param count The new number of active voices.
         * @param countMax The maximum number of active voices.
         */
        public void updateActiveVoiceInfo(int count, int countMax);
}
1	iliev	787	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4	iliev	1143	* Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com>
5	iliev	787	*
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;
24
25	iliev	1143	import org.jsampler.event.ListListener;
26	iliev	787	import org.jsampler.event.MidiDeviceListListener;
27			import org.jsampler.event.SamplerChannelListListener;
28			import org.jsampler.event.SamplerListener;
29
30			import org.linuxsampler.lscp.*;
31
32
33			/**
34	iliev	911	* A data model representing a sampler.
35	iliev	1143	* Note that the setter methods does <b>not</b> alter any settings
36			* on the backend side unless otherwise specified.
37	iliev	787	* @author Grigor Iliev
38			*/
39			public interface SamplerModel {
40			/**
41			* Registers the specified listener for receiving event messages.
42			* @param l The <code>SamplerListener</code> to register.
43			*/
44			public void addSamplerListener(SamplerListener l);
45
46			/**
47			* Removes the specified listener.
48			* @param l The <code>SamplerListener</code> to remove.
49			*/
50			public void removeSamplerListener(SamplerListener l);
51
52			/**
53			* Registers the specified listener for receiving event messages.
54	iliev	1143	* @param listener The <code>ListListener</code> to register.
55	iliev	787	*/
56	iliev	1143	public void addAudioDeviceListListener(ListListener<AudioDeviceModel> listener);
57	iliev	787
58			/**
59			* Removes the specified listener.
60	iliev	1143	* @param listener The <code>ListListener</code> to remove.
61	iliev	787	*/
62	iliev	1143	public void removeAudioDeviceListListener(ListListener<AudioDeviceModel> listener);
63	iliev	787
64			/**
65			* Registers the specified listener for receiving event messages.
66			* @param listener The <code>MidiDeviceListListener</code> to register.
67			*/
68			public void addMidiDeviceListListener(MidiDeviceListListener listener);
69
70			/**
71			* Removes the specified listener.
72			* @param listener The <code>MidiDeviceListListener</code> to remove.
73			*/
74			public void removeMidiDeviceListListener(MidiDeviceListListener listener);
75
76			/**
77			* Registers the specified listener for receiving event messages.
78	iliev	1143	* @param listener The <code>ListListener</code> to register.
79			*/
80			public void addMidiInstrumentMapListListener(ListListener<MidiInstrumentMap> listener);
81
82			/**
83			* Removes the specified listener.
84			* @param listener The <code>ListListener</code> to remove.
85			*/
86			public void removeMidiInstrumentMapListListener(ListListener<MidiInstrumentMap> listener);
87
88			/**
89			* Registers the specified listener for receiving event messages.
90	iliev	787	* @param listener The <code>SamplerChannelListListener</code> to register.
91			*/
92			public void addSamplerChannelListListener(SamplerChannelListListener listener);
93
94			/**
95			* Removes the specified listener.
96			* @param listener The <code>SamplerChannelListListener</code> to remove.
97			*/
98			public void removeSamplerChannelListListener(SamplerChannelListListener listener);
99
100			/**
101			* Gets information about the LinuxSampler instance the front-end is connected to.
102			*
103			* @return <code>ServerInfo</code> instance containing
104			* information about the LinuxSampler instance the front-end is connected to.
105			*/
106			public ServerInfo getServerInfo();
107
108			/**
109			* Gets all audio output drivers currently available for the LinuxSampler instance.
110			*
111			* @return <code>AudioOutputDriver</code> array containing all audio output drivers
112			* currently available for the LinuxSampler instance.
113			*/
114			public AudioOutputDriver[] getAudioOutputDrivers();
115
116			/**
117	iliev	1143	* Gets the model of the audio device with ID <code>deviceId</code>.
118			* @param deviceId The ID of the audio device whose model should be obtained.
119	iliev	787	* @return The model of the specified audio device or <code>null</code>
120	iliev	1143	* if there is no audio device with ID <code>deviceId</code>.
121	iliev	787	*/
122	iliev	1143	public AudioDeviceModel getAudioDeviceModel(int deviceId);
123	iliev	787
124			/**
125			* Gets the current number of audio devices.
126			* @return The current number of audio devices.
127			*/
128			public int getAudioDeviceCount();
129
130			/**
131			* Gets the current list of audio device models.
132			* @return The current list of audio device models.
133			*/
134			public AudioDeviceModel[] getAudioDeviceModels();
135
136			/**
137			* Adds the specified audio device.
138			* @param device The audio device to be added.
139			*/
140			public void addAudioDevice(AudioOutputDevice device);
141
142			/**
143			* Removes the specified audio device.
144	iliev	1143	* @param deviceId The ID of the audio device to be removed.
145	iliev	787	* @return <code>true</code> if the audio device is removed successfully, <code>false</code>
146	iliev	1143	* if the device list does not contain audio device with ID <code>deviceId</code>.
147	iliev	787	*/
148	iliev	1143	public boolean removeAudioDevice(int deviceId);
149	iliev	787
150			/**
151	iliev	1143	* Removes (on the backend side) the specified audio device.
152			* @param deviceId The ID of the audio device to be removed.
153			*/
154			public void removeBackendAudioDevice(int deviceId);
155
156			/**
157	iliev	787	* Gets all MIDI input drivers currently available for the LinuxSampler instance.
158			*
159			* @return <code>MidiInputDriver</code> array containing all MIDI input drivers currently
160			* available for the LinuxSampler instance.
161			*/
162			public MidiInputDriver[] getMidiInputDrivers();
163
164			/**
165	iliev	1143	* Gets the model of the MIDI device with ID <code>deviceId</code>.
166			* @param deviceId The ID of the MIDI device whose model should be obtained.
167	iliev	787	* @return The model of the specified MIDI device or <code>null</code>
168	iliev	1143	* if there is no MIDI device with ID <code>deviceId</code>.
169	iliev	787	*/
170	iliev	1143	public MidiDeviceModel getMidiDeviceModel(int deviceId);
171	iliev	787
172			/**
173			* Gets the current number of MIDI input devices.
174			* @return The current number of MIDI input devices.
175			*/
176			public int getMidiDeviceCount();
177
178			/**
179			* Gets the current list of MIDI device models.
180			* @return The current list of MIDI device models.
181			*/
182			public MidiDeviceModel[] getMidiDeviceModels();
183
184			/**
185			* Adds the specified MIDI device.
186			* @param device The MIDI device to be added.
187			*/
188			public void addMidiDevice(MidiInputDevice device);
189
190			/**
191	iliev	1143	* Schedules a new task for adding new MIDI device.
192			* @param driver The desired MIDI input system.
193			* @param parameters An optional list of driver specific parameters.
194			*/
195			public void addBackendMidiDevice(String driver, Parameter... parameters);
196
197			/**
198	iliev	787	* Removes the specified MIDI device.
199	iliev	1143	* @param deviceId The ID of the MIDI device to be removed.
200	iliev	787	* @return <code>true</code> if the MIDI device is removed successfully, <code>false</code>
201	iliev	1143	* if the device list does not contain MIDI device with ID <code>deviceId</code>.
202	iliev	787	*/
203	iliev	1143	public boolean removeMidiDevice(int deviceId);
204	iliev	787
205			/**
206	iliev	1143	* Schedules a new task for removing the specified MIDI device.
207			* @param deviceId The ID of the MIDI input device to be destroyed.
208			*/
209			public void removeBackendMidiDevice(int deviceId);
210
211			/**
212			* Gets the MIDI instrument map with ID <code>mapId</code>.
213			* @param mapId The ID of the MIDI instrument map to obtain.
214			* @return The MIDI instrument map with the specified ID or <code>null</code>
215			* if there is no MIDI instrument map with ID <code>mapId</code>.
216			*/
217			public MidiInstrumentMap getMidiInstrumentMapById(int mapId);
218
219			/**
220			* Gets the MIDI instrument map at the specified position.
221			* @param index The position of the MIDI instrument map to return.
222			* @return The MIDI instrument map at the specified position.
223			*/
224			public MidiInstrumentMap getMidiInstrumentMap(int index);
225
226			/**
227			* Gets the current number of MIDI instrument maps.
228			* @return The current number of MIDI instrument maps.
229			*/
230			public int getMidiInstrumentMapCount();
231
232			/**
233			* Gets the current list of MIDI instrument maps.
234			* @return The current list of MIDI instrument maps.
235			*/
236			public MidiInstrumentMap[] getMidiInstrumentMaps();
237
238			/**
239			* Adds the specified MIDI instrument map.
240			* @param map The MIDI instrument map to be added.
241			*/
242			public void addMidiInstrumentMap(MidiInstrumentMap map);
243
244			/**
245			* Schedules a new task for creating a new MIDI instrument map on the backend side.
246			* @param name The name of the MIDI instrument map.
247			* @throws IllegalArgumentException If <code>name</code> is <code>null</code>.
248			*/
249			public void addBackendMidiInstrumentMap(String name);
250
251			/**
252			* Removes the specified MIDI instrument map.
253			* @param mapId The ID of the MIDI instrument map to be removed.
254			* @return <code>true</code> if the MIDI instrument map is removed successfully,
255			* <code>false</code> if the MIDI instrument map's list does not contain
256			* MIDI instrument map with ID <code>mapId</code>.
257			*/
258			public boolean removeMidiInstrumentMap(int mapId);
259
260			/** Removes all MIDI instrument maps. */
261			public void removeAllMidiInstrumentMaps();
262
263			/**
264			* Schedules a new task for removing the
265			* specified MIDI instrument map on the backend side.
266			* @param mapId The numerical ID of the MIDI instrument map to remove.
267			* @throws IllegalArgumentException If <code>mapId</code> is negative.
268			*/
269			public void removeBackendMidiInstrumentMap(int mapId);
270
271			/**
272			* Schedules a new task for changing the name of
273			* the specified MIDI instrument map on the backend side.
274			* @param mapId The numerical ID of the MIDI instrument map.
275			* @param name The new name for the specified MIDI instrument map.
276			*/
277			public void setBackendMidiInstrumentMapName(int mapId, String name);
278
279			/**
280			* Gets the default MIDI instrument map.
281			* @return The default MIDI instrument map or <code>null</code>
282			* if there are no maps created.
283			*/
284			public MidiInstrumentMap getDefaultMidiInstrumentMap();
285
286			/**
287			* Schedules a new task for mapping a MIDI instrument on the backend side.
288			* @param mapId The id of the MIDI instrument map.
289			* @param bank The index of the MIDI bank, which shall contain the instrument.
290			* @param program The MIDI program number of the new instrument.
291			* @param instrInfo Provides the MIDI instrument settings.
292			*/
293			public void
294			mapBackendMidiInstrument(int mapId, int bank, int program, MidiInstrumentInfo instrInfo);
295
296			/**
297			* Schedules a new task for removing a MIDI instrument on the backend side.
298			* @param mapId The id of the MIDI instrument map containing the instrument to be removed.
299			* @param bank The index of the MIDI bank containing the instrument to be removed.
300			* @param program The MIDI program number of the instrument to be removed.
301			*/
302			public void unmapBackendMidiInstrument(int mapId, int bank, int program);
303
304			/**
305	iliev	787	* Gets a list of all available engines.
306			* @return A list of all available engines.
307			*/
308			public SamplerEngine[] getEngines();
309
310			/**
311			* Gets the current list of sampler channel models.
312			* @return The current list of sampler channel models.
313			*/
314			public SamplerChannelModel[] getChannelModels();
315
316			/**
317	iliev	1143	* Gets the model of the sampler channel with ID <code>channelId</code>.
318			* @param channelId The ID of the sampler channel whose model should be obtained.
319	iliev	787	* @return The model of the specified sampler channel or <code>null</code>
320	iliev	1143	* if there is no channel with ID <code>channelId</code>.
321	iliev	787	*/
322	iliev	1143	public SamplerChannelModel getChannelModel(int channelId);
323	iliev	787
324			/**
325			* Gets the current number of sampler channels.
326			* @return The current number of sampler channels.
327			*/
328			public int getChannelCount();
329
330			/**
331	iliev	1143	* Adds a new sampler channel on the backend side. The channel will
332			* be actually added to this model when the backend notifies for its creation.
333	iliev	787	* @see #addChannel
334			*/
335	iliev	1143	public void addBackendChannel();
336	iliev	787
337			/**
338			* Adds the specified sampler channel.
339			* @param channel The channel to be added.
340			*/
341			public void addChannel(SamplerChannel channel);
342
343			/**
344			* Removes the specified sampler channel.
345	iliev	911	* Note that this method doesn't remove the channel in the backend,
346			* it is used to remove the channel from the model when those channel
347			* is removed in the backend.
348	iliev	1143	* @param channelId The ID of the channel to be removed.
349	iliev	787	* @return <code>true</code> if the channel is removed successfully, <code>false</code>
350	iliev	1143	* if the channel's list does not contain channel with ID <code>channelId</code>.
351	iliev	787	*/
352	iliev	1143	public boolean removeChannel(int channelId);
353	iliev	787
354			/**
355	iliev	1143	* Schedules a new task for removing the specified sampler channel on the backend side.
356			* @param channelId The ID of the channel to be removed.
357			*/
358			public void removeBackendChannel(int channelId);
359
360			/**
361	iliev	787	* Updates the settings of the specified channel.
362			* @param channel A <code>SamplerChannel</code> instance containing the new settings
363			* for the channel.
364			*/
365	iliev	1143	public void updateChannel(SamplerChannel channel);
366	iliev	787
367			/**
368			* Determines whether there is at least one solo channel in the current list
369			* of sampler channels.
370			* @return <code>true</code> if there is at least one solo channel in the current list of
371			* sampler channels, <code>false</code> otherwise.
372			*/
373			public boolean hasSoloChannel();
374
375			/**
376			* Gets the number of solo channels in the current list of sampler channels.
377			* @return The number of solo channels in the current list of sampler channels.
378			*/
379			public int getSoloChannelCount();
380
381			/**
382			* Gets the number of muted channels in the current list of sampler channels.
383			* This number includes the channels muted because of the presence of a solo channel.
384			* @return The number of muted channels in the current list of sampler channels.
385			*/
386			public int getMutedChannelCount();
387
388			/**
389			* Gets the number of channels muted because of the presence of a solo channel.
390			* @return The number of channels muted because of the presence of a solo channel.
391			*/
392			public int getMutedBySoloChannelCount();
393
394			/**
395			* Gets the total number of active voices.
396			* @return The total number of active voices.
397			*/
398			public int getTotalVoiceCount();
399
400			/**
401			* Gets the maximum number of active voices.
402			* @return The maximum number of active voices.
403			*/
404			public int getTotalVoiceCountMax();
405
406			/**
407	iliev	1143	* Gets the golobal volume of the sampler.
408			* @return The golobal volume of the sampler.
409			*/
410			public float getVolume();
411
412			/**
413			* Sets the global volume.
414			* @param volume The new volume value.
415			*/
416			public void setVolume(float volume);
417
418			/**
419			* Sets the global volume on the backend side.
420			* @param volume The new volume value.
421			*/
422			public void setBackendVolume(float volume);
423
424			/**
425			* Schedules a new task for resetting the sampler.
426			*/
427			public void resetBackend();
428
429			/**
430	iliev	787	* Updates the current and the maximum number of active voices in the sampler.
431			* @param count The new number of active voices.
432			* @param countMax The maximum number of active voices.
433			*/
434			public void updateActiveVoiceInfo(int count, int countMax);
435			}