1 /*
2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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 /* @test
27 @summary Test SoftChannel program and bank change */
28
29 import java.io.IOException;
30
31 import javax.sound.midi.*;
32 import javax.sound.sampled.*;
33
34 import com.sun.media.sound.*;
35
36 public class ProgramAndBankChange {
37
38 private static SimpleInstrument generateTestInstrument(Patch patch) {
39 ModelOscillator osc = new ModelOscillator() {
40 public float getAttenuation() {
41 return 0;
42 }
43
44 public int getChannels() {
45 return 1;
46 }
47
48 public ModelOscillatorStream open(float samplerate) {
49 return new ModelOscillatorStream() {
50 public void close() throws IOException {
51 }
52
53 public void noteOff(int velocity) {
54 }
55
56 public void noteOn(MidiChannel channel, VoiceStatus voice,
57 int noteNumber, int velocity) {
58 }
59
60 public int read(float[][] buffer, int offset, int len)
61 throws IOException {
62 return len;
63 }
64
65 public void setPitch(float ipitch) {
66 }
67 };
68 }
69 };
70 ModelPerformer performer = new ModelPerformer();
71 performer.getOscillators().add(osc);
72 SimpleInstrument testinstrument = new SimpleInstrument();
73 testinstrument.setPatch(patch);
74 testinstrument.add(performer);
75 return testinstrument;
76 }
77
78 private static void assertTrue(boolean value) throws Exception {
79 if (!value)
80 throw new RuntimeException("assertTrue fails!");
81 }
82
83 private static void testProgramAndBank(SoftSynthesizer soft,
84 AudioInputStream stream, Patch patch) throws Exception {
85
86 int program = patch.getProgram();
87 int bank = patch.getBank();
88
89 MidiChannel channel = soft.getChannels()[0];
90 byte[] buff = new byte[2048];
91
92 channel.programChange(bank, program);
93 channel.noteOn(64, 64);
94 stream.read(buff, 0, buff.length);
95
96 int foundprogram = -1;
97 int foundbank = -1;
98 VoiceStatus[] vstatus = soft.getVoiceStatus();
99 for (int i = 0; i < vstatus.length; i++) {
100 if (vstatus[i].active) {
101 foundprogram = vstatus[i].program;
102 foundbank = vstatus[i].bank;
103 break;
104 }
105 }
106
107 assertTrue(foundprogram == program);
108 assertTrue(foundbank == bank);
109
110 channel.noteOn(64, 0);
111 stream.read(buff, 0, buff.length);
112
113 channel = soft.getChannels()[1];
114 // Send MSB Bank
115 channel.controlChange(0x00, bank / 128);
116 // Send LSB Bank
117 channel.controlChange(0x20, bank % 128);
118 // Send Program Change
119 channel.programChange(program);
120 channel.noteOn(64, 64);
121 stream.read(buff, 0, buff.length);
122
123 foundprogram = -1;
124 foundbank = -1;
125 vstatus = soft.getVoiceStatus();
126 for (int i = 0; i < vstatus.length; i++) {
127 if (vstatus[i].active) {
128 foundprogram = vstatus[i].program;
129 foundbank = vstatus[i].bank;
130 break;
131 }
132 }
133 assertTrue(foundprogram == program);
134 assertTrue(foundbank == bank);
135 channel.noteOn(64, 0);
136 stream.read(buff, 0, buff.length);
137 }
138
139 public static void main(String[] args) throws Exception {
140 SoftSynthesizer soft = new SoftSynthesizer();
141 AudioInputStream stream = soft.openStream(null, null);
142 soft.unloadAllInstruments(soft.getDefaultSoundbank());
143
144 soft.loadInstrument(generateTestInstrument(new Patch(0, 0)));
145 soft.loadInstrument(generateTestInstrument(new Patch(7, 0)));
146 soft.loadInstrument(generateTestInstrument(new Patch(20, 10)));
147 soft.loadInstrument(generateTestInstrument(new Patch(3678, 15)));
148 soft.loadInstrument(generateTestInstrument(new Patch(4678, 15)));
149
150 testProgramAndBank(soft, stream, new Patch(0, 0));
151 testProgramAndBank(soft, stream, new Patch(7, 0));
152 testProgramAndBank(soft, stream, new Patch(20, 10));
153 testProgramAndBank(soft, stream, new Patch(3678, 15));
154 testProgramAndBank(soft, stream, new Patch(4678, 15));
155
156 soft.close();
157 }
158 }