/[svn]/jsampler/trunk/src/org/jsampler/task/Audio.java
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Annotation of /jsampler/trunk/src/org/jsampler/task/Audio.java

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Revision 1144 - (hide annotations) (download)
Mon Apr 2 21:39:15 2007 UTC (17 years ago) by iliev
File size: 8824 byte(s)
- upgrading to version 0.4a

1 iliev 1144 /*
2     * JSampler - a java front-end for LinuxSampler
3     *
4     * Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com>
5     *
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.task;
24    
25     import java.util.logging.Level;
26    
27     import org.jsampler.AudioDeviceModel;
28     import org.jsampler.CC;
29     import org.jsampler.HF;
30     import org.jsampler.SamplerModel;
31    
32     import org.linuxsampler.lscp.AudioOutputDevice;
33     import org.linuxsampler.lscp.AudioOutputDriver;
34     import org.linuxsampler.lscp.Parameter;
35    
36     import static org.jsampler.JSI18n.i18n;
37    
38    
39     /**
40     * Provides the audio specific tasks.
41     * @author Grigor Iliev
42     */
43     public class Audio {
44     /** Forbits the instantiation of this class. */
45     private Audio() { }
46    
47     /**
48     * This task retrieves all audio output drivers currently
49     * available for the LinuxSampler instance.
50     */
51     public static class GetDrivers extends EnhancedTask<AudioOutputDriver[]> {
52     /** Creates a new instance of <code>GetDrivers</code>. */
53     public
54     GetDrivers() {
55     setTitle("Audio.GetDrivers_task");
56     setDescription(i18n.getMessage("Audio.GetDrivers.desc"));
57     }
58    
59     /** The entry point of the task. */
60     public void
61     run() {
62     try { setResult(CC.getClient().getAudioOutputDrivers()); }
63     catch(Exception x) {
64     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
65     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
66     }
67     }
68     }
69    
70     /**
71     * This task creates a new audio output device.
72     */
73     public static class CreateDevice extends EnhancedTask<Integer> {
74     private String driver;
75     private Parameter[] parameters;
76    
77    
78     /**
79     * Creates a new instance of <code>CreateDevice</code>.
80     * @param driver The desired audio output system.
81     * @param parameters An optional list of driver specific parameters.
82     */
83     public
84     CreateDevice(String driver, Parameter... parameters) {
85     setTitle("Audio.CreateDevice_task");
86     setDescription(i18n.getMessage("Audio.CreateDevice.desc"));
87    
88     this.driver = driver;
89     this.parameters = parameters;
90     }
91    
92     /** The entry point of the task. */
93     public void
94     run() {
95     try {
96     Integer deviceId =
97     CC.getClient().createAudioOutputDevice(driver, parameters);
98     setResult(deviceId);
99     } catch(Exception x) {
100     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
101     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
102     }
103     }
104     }
105    
106     /**
107     * This task destroys the specified audio output device.
108     */
109     public static class DestroyDevice extends EnhancedTask {
110     private int deviceId;
111    
112    
113     /**
114     * Creates a new instance of <code>DestroyDevice</code>.
115     * @param deviceId The ID of the audio output device to be destroyed.
116     */
117     public
118     DestroyDevice(int deviceId) {
119     setTitle("Audio.DestroyDevice_task");
120     setDescription(i18n.getMessage("Audio.DestroyDevice.desc", deviceId));
121    
122     this.deviceId = deviceId;
123     }
124    
125     /** The entry point of the task. */
126     public void
127     run() {
128     try { CC.getClient().destroyAudioOutputDevice(deviceId); }
129     catch(Exception x) {
130     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
131     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
132     }
133     }
134     }
135    
136     /**
137     * This task enables/disables a specific audio output device.
138     */
139     public static class EnableDevice extends EnhancedTask {
140     private int dev;
141     private boolean enable;
142    
143     /**
144     * Creates new instance of <code>EnableDevice</code>.
145     * @param dev The id of the device to be enabled/disabled.
146     * @param enable Specify <code>true</code> to enable the audio device;
147     * code>false</code> to disable it.
148     */
149     public
150     EnableDevice(int dev, boolean enable) {
151     setTitle("Audio.EnableDevice_task");
152     setDescription(i18n.getMessage("Audio.EnableDevice.desc", dev));
153    
154     this.dev = dev;
155     this.enable = enable;
156     }
157    
158     /** The entry point of the task. */
159     public void
160     run() {
161     try {
162     CC.getClient().enableAudioOutputDevice(dev, enable);
163    
164     // Not needed, but eventually speeds up the change.
165     CC.getSamplerModel().getAudioDeviceModel(dev).setActive(enable);
166     } catch(Exception x) {
167     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
168     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
169     }
170     }
171     }
172    
173     /**
174     * This task alters a specific setting of an audio output channel.
175     */
176     public static class SetChannelParameter extends EnhancedTask {
177     private int dev;
178     private int channel;
179     private Parameter prm;
180    
181     /**
182     * Creates new instance of <code>SetChannelParameter</code>.
183     * @param dev The id of the device whose port parameter should be set.
184     * @param channel The channel number.
185     * @param prm The parameter to be set.
186     */
187     public
188     SetChannelParameter(int dev, int channel, Parameter prm) {
189     setTitle("Audio.SetChannelParameter_task");
190     setDescription(i18n.getMessage("Audio.SetChannelParameter.desc"));
191    
192     this.dev = dev;
193     this.channel = channel;
194     this.prm = prm;
195     }
196    
197     /** The entry point of the task. */
198     public void
199     run() {
200     try { CC.getClient().setAudioOutputChannelParameter(dev, channel, prm); }
201     catch(Exception x) {
202     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
203     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
204     }
205     }
206     }
207    
208     /**
209     * This task changes the channel number of the speicifed audio output device.
210     */
211     public static class SetChannelCount extends EnhancedTask {
212     private int deviceId;
213     private int channels;
214    
215     /**
216     * Creates new instance of <code>SetChannelCount</code>.
217     * @param deviceId The id of the device whose channels number will be changed.
218     * @param channels The new number of audio channels.
219     */
220     public
221     SetChannelCount(int deviceId, int channels) {
222     setTitle("SetAudioOutputChannelCount_task");
223     setDescription(i18n.getMessage("Audio.SetChannelCount.desc", deviceId));
224    
225     this.deviceId = deviceId;
226     this.channels = channels;
227     }
228    
229     /** The entry point of the task. */
230     public void
231     run() {
232     try { CC.getClient().setAudioOutputChannelCount(deviceId, channels); }
233     catch(Exception x) {
234     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
235     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
236     }
237     }
238     }
239    
240    
241     /**
242     * This task updates the setting of an audio output device.
243     */
244     public static class UpdateDeviceInfo extends EnhancedTask {
245     private int dev;
246    
247     /**
248     * Creates new instance of <code>UpdateDeviceInfo</code>.
249     * @param dev The id of the device, which settings should be updated.
250     */
251     public
252     UpdateDeviceInfo(int dev) {
253     setTitle("Audio.UpdateDeviceInfo_task");
254     setDescription(i18n.getMessage("Audio.UpdateDeviceInfo.desc", dev));
255    
256     this.dev = dev;
257     }
258    
259     /** The entry point of the task. */
260     public void
261     run() {
262     try {
263     AudioOutputDevice d = CC.getClient().getAudioOutputDeviceInfo(dev);
264     CC.getSamplerModel().getAudioDeviceModel(dev).setDeviceInfo(d);
265     } catch(Exception x) {
266     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
267     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
268     }
269     }
270     }
271    
272     /**
273     * This task updates the audio output device list.
274     */
275     public static class UpdateDevices extends EnhancedTask {
276     /** Creates a new instance of <code>UpdateDevices</code>. */
277     public
278     UpdateDevices() {
279     setTitle("Audio.UpdateDevices_task");
280     setDescription(i18n.getMessage("Audio.UpdateDevices.desc"));
281     }
282    
283     /** The entry point of the task. */
284     public void
285     run() {
286     try {
287     SamplerModel sm = CC.getSamplerModel();
288     Integer[] devIDs = CC.getClient().getAudioOutputDeviceIDs();
289    
290     boolean found = false;
291    
292     for(AudioDeviceModel m : sm.getAudioDeviceModels()) {
293     for(int i = 0; i < devIDs.length; i++) {
294     if(m.getDeviceId() == devIDs[i]) {
295     devIDs[i] = -1;
296     found = true;
297     }
298     }
299    
300     if(!found) sm.removeAudioDevice(m.getDeviceId());
301     found = false;
302     }
303    
304     AudioOutputDevice d;
305    
306     for(int id : devIDs) {
307     if(id >= 0) {
308     d = CC.getClient().getAudioOutputDeviceInfo(id);
309     sm.addAudioDevice(d);
310     }
311     }
312     } catch(Exception x) {
313     setErrorMessage(getDescription() + ": " + HF.getErrorMessage(x));
314     CC.getLogger().log(Level.FINE, getErrorMessage(), x);
315     }
316     }
317     }
318    
319     }

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