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.util.TreeMap;
28
29 import javax.sound.midi.MidiDevice;
30 import javax.sound.midi.MidiDeviceReceiver;
31 import javax.sound.midi.MidiMessage;
32 import javax.sound.midi.ShortMessage;
33
34 /**
35 * Software synthesizer MIDI receiver class.
36 *
37 * @author Karl Helgason
38 */
39 public final class SoftReceiver implements MidiDeviceReceiver {
40
41 boolean open = true;
42 private final Object control_mutex;
43 private final SoftSynthesizer synth;
44 TreeMap<Long, Object> midimessages;
45 SoftMainMixer mainmixer;
46
47 public SoftReceiver(SoftSynthesizer synth) {
48 this.control_mutex = synth.control_mutex;
49 this.synth = synth;
50 this.mainmixer = synth.getMainMixer();
51 if (mainmixer != null)
52 this.midimessages = mainmixer.midimessages;
53 }
54
55 public MidiDevice getMidiDevice() {
56 return synth;
57 }
58
59 public void send(MidiMessage message, long timeStamp) {
60
61 synchronized (control_mutex) {
62 if (!open)
63 throw new IllegalStateException("Receiver is not open");
64 }
65
66 if (timeStamp != -1) {
67 synchronized (control_mutex) {
68 mainmixer.activity();
69 while (midimessages.get(timeStamp) != null)
70 timeStamp++;
71 if (message instanceof ShortMessage
72 && (((ShortMessage)message).getChannel() > 0xF)) {
73 midimessages.put(timeStamp, message.clone());
74 } else {
75 midimessages.put(timeStamp, message.getMessage());
76 }
77 }
78 } else {
79 mainmixer.processMessage(message);
80 }
81 }
82
83 public void close() {
84 synchronized (control_mutex) {
85 open = false;
86 }
87 synth.removeReceiver(this);
88 }
89 }
|
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.util.TreeMap;
29
30 import javax.sound.midi.MidiDevice;
31 import javax.sound.midi.MidiDeviceReceiver;
32 import javax.sound.midi.MidiMessage;
33 import javax.sound.midi.ShortMessage;
34
35 /**
36 * Software synthesizer MIDI receiver class.
37 *
38 * @author Karl Helgason
39 */
40 public final class SoftReceiver implements MidiDeviceReceiver {
41
42 boolean open = true;
43 private final Object control_mutex;
44 private final SoftSynthesizer synth;
45 TreeMap<Long, Object> midimessages;
46 SoftMainMixer mainmixer;
47
48 public SoftReceiver(SoftSynthesizer synth) {
49 this.control_mutex = synth.control_mutex;
50 this.synth = synth;
51 this.mainmixer = synth.getMainMixer();
52 if (mainmixer != null)
53 this.midimessages = mainmixer.midimessages;
54 }
55
56 @Override
57 public MidiDevice getMidiDevice() {
58 return synth;
59 }
60
61 @Override
62 public void send(MidiMessage message, long timeStamp) {
63
64 synchronized (control_mutex) {
65 if (!open)
66 throw new IllegalStateException("Receiver is not open");
67 }
68
69 if (timeStamp != -1) {
70 synchronized (control_mutex) {
71 mainmixer.activity();
72 while (midimessages.get(timeStamp) != null)
73 timeStamp++;
74 if (message instanceof ShortMessage
75 && (((ShortMessage)message).getChannel() > 0xF)) {
76 midimessages.put(timeStamp, message.clone());
77 } else {
78 midimessages.put(timeStamp, message.getMessage());
79 }
80 }
81 } else {
82 mainmixer.processMessage(message);
83 }
84 }
85
86 @Override
87 public void close() {
88 synchronized (control_mutex) {
89 open = false;
90 }
91 synth.removeReceiver(this);
92 }
93 }
|