5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.sun.media.sound;
26
27 import java.io.IOException;
28
29 import javax.sound.sampled.AudioInputStream;
30 import javax.sound.sampled.SourceDataLine;
31
32 /**
33 * This is a processor object that writes into SourceDataLine
34 *
35 * @author Karl Helgason
36 */
37 public final class SoftAudioPusher implements Runnable {
38
39 private volatile boolean active = false;
40 private SourceDataLine sourceDataLine = null;
41 private Thread audiothread;
42 private final AudioInputStream ais;
43 private final byte[] buffer;
44
53 if (active)
54 return;
55 active = true;
56 audiothread = new Thread(null, this, "AudioPusher", 0, false);
57 audiothread.setDaemon(true);
58 audiothread.setPriority(Thread.MAX_PRIORITY);
59 audiothread.start();
60 }
61
62 public synchronized void stop() {
63 if (!active)
64 return;
65 active = false;
66 try {
67 audiothread.join();
68 } catch (InterruptedException e) {
69 //e.printStackTrace();
70 }
71 }
72
73 public void run() {
74 byte[] buffer = SoftAudioPusher.this.buffer;
75 AudioInputStream ais = SoftAudioPusher.this.ais;
76 SourceDataLine sourceDataLine = SoftAudioPusher.this.sourceDataLine;
77
78 try {
79 while (active) {
80 // Read from audio source
81 int count = ais.read(buffer);
82 if(count < 0) break;
83 // Write byte buffer to source output
84 sourceDataLine.write(buffer, 0, count);
85 }
86 } catch (IOException e) {
87 active = false;
88 //e.printStackTrace();
89 }
90
91 }
92 }
|
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.media.sound;
27
28 import java.io.IOException;
29
30 import javax.sound.sampled.AudioInputStream;
31 import javax.sound.sampled.SourceDataLine;
32
33 /**
34 * This is a processor object that writes into SourceDataLine
35 *
36 * @author Karl Helgason
37 */
38 public final class SoftAudioPusher implements Runnable {
39
40 private volatile boolean active = false;
41 private SourceDataLine sourceDataLine = null;
42 private Thread audiothread;
43 private final AudioInputStream ais;
44 private final byte[] buffer;
45
54 if (active)
55 return;
56 active = true;
57 audiothread = new Thread(null, this, "AudioPusher", 0, false);
58 audiothread.setDaemon(true);
59 audiothread.setPriority(Thread.MAX_PRIORITY);
60 audiothread.start();
61 }
62
63 public synchronized void stop() {
64 if (!active)
65 return;
66 active = false;
67 try {
68 audiothread.join();
69 } catch (InterruptedException e) {
70 //e.printStackTrace();
71 }
72 }
73
74 @Override
75 public void run() {
76 byte[] buffer = SoftAudioPusher.this.buffer;
77 AudioInputStream ais = SoftAudioPusher.this.ais;
78 SourceDataLine sourceDataLine = SoftAudioPusher.this.sourceDataLine;
79
80 try {
81 while (active) {
82 // Read from audio source
83 int count = ais.read(buffer);
84 if(count < 0) break;
85 // Write byte buffer to source output
86 sourceDataLine.write(buffer, 0, count);
87 }
88 } catch (IOException e) {
89 active = false;
90 //e.printStackTrace();
91 }
92 }
93 }
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