1 /*
2 * Copyright (c) 2003, 2016, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.io.File;
25 import java.io.IOException;
26
27 import javax.sound.sampled.AudioFormat;
28 import javax.sound.sampled.AudioInputStream;
29 import javax.sound.sampled.AudioSystem;
30 import javax.sound.sampled.DataLine;
31 import javax.sound.sampled.LineUnavailableException;
32 import javax.sound.sampled.Mixer;
33 import javax.sound.sampled.SourceDataLine;
34
35 /**
36 * @test
37 * @bug 4834461
38 * @summary Applet hang when you load it during sound card is in use
39 * @run main/manual PlaySine
40 */
41 public class PlaySine {
42
43 static int sampleRate = 8000;
44 static double frequency = 2000.0;
45 static double RAD = 2.0 * Math.PI;
46
47 static byte[] audioData = new byte[sampleRate/2];
48 static SourceDataLine source;
49 static Mixer mixer = null;
50
51 static AudioInputStream ais = null;
52 static AudioFormat audioFormat;
53 static String filename;
54
55 public static void constructAIS() {
56 try {
57 ais = AudioSystem.getAudioInputStream(new File(filename));
58 } catch (Exception e) {
59 println("ERROR: could not open "+filename+": "+e.getMessage());
60 }
61 }
62
63 public static void print(String s) {
64 System.out.print(s);
65 }
66 public static void println(String s) {
67 System.out.println(s);
68 }
69
70 public static void key() {
71 println("");
72 print("Press ENTER to continue...");
73 try {
74 System.in.read();
75 } catch (IOException ioe) {
76 }
77 }
78
79 static int audioLen = -1;
80 static int audioOffset = -1;
81
82 public static void writeData() {
83 if (audioLen == -1) {
84 audioLen = audioData.length;
85 }
86 if (audioOffset < 0) {
87 audioOffset = audioLen;
88 }
89 try {
90 if (audioOffset >= audioLen) {
91 audioOffset = 0;
92 if (ais!=null) {
93 do {
94 audioLen = ais.read(audioData, 0, audioData.length);
95 if (audioLen < 0) {
96 constructAIS();
97 }
98 } while (audioLen < 0);
99 }
100 }
101 int toWrite = audioLen - audioOffset;
102 int written = source.write(audioData, audioOffset, toWrite);
103 audioOffset+=written;
104 } catch (Exception e) {
105 e.printStackTrace();
106 }
107 }
108
109
110 public static int play(boolean shouldPlay) {
111 int res = 0;
112 DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat);
113 try {
114 println("Getting line from mixer...");
115 source = (SourceDataLine) mixer.getLine(info);
116 println("Opening line...");
117 println(" -- if the program is hanging here, kill the process that has blocks the audio device now.");
118 source.open(audioFormat);
119 println("Starting line...");
120 source.start();
121 println("Writing audio data for 1 second...");
122 long startTime = System.currentTimeMillis();
123 while (System.currentTimeMillis() - startTime < 1000) {
124 writeData();
125 Thread.sleep(100);
126 }
127 res = 1;
128 } catch (IllegalArgumentException iae) {
129 println("IllegalArgumentException: "+iae.getMessage());
130 println("Sound device cannot handle this audio format.");
131 println("ERROR: Test environment not correctly set up.");
132 if (source!=null) {
133 source.close();
134 }
135 return 3;
136 } catch (LineUnavailableException lue) {
137 println("LineUnavailableException: "+lue.getMessage());
138 if (shouldPlay) {
139 println("ERROR: the line should be available now!.");
140 println(" Verify that you killed the other audio process.");
141 } else {
142 println("Correct behavior! the bug is fixed.");
143 }
144 res = 2;
145 } catch (Exception e) {
146 println("Unexpected Exception: "+e.toString());
147 }
148 if (source != null) {
149 println("Draining...");
150 try {
151 source.drain();
152 } catch (NullPointerException npe) {
153 println("(NullPointerException: bug fixed in J2SE 1.4.2");
154 }
155 println("Stopping...");
156 source.stop();
157 println("Closing...");
158 source.close();
159 source = null;
160 }
161 return res;
162 }
163
164 public static void main(String[] args) throws Exception {
165 println("This is an interactive test. You can run it with a filename as argument");
166 println("It is only meant to be run on linux, with the (old) OSS kernel drivers (/dev/dsp)");
167 println("This test should not be run on systems with ALSA installed, or kernel 2.6 or higher.");
168 println("");
169 println("The test verifies that Java Sound fails correctly if another process is blocking");
170 println("the audio device.");
171 println("");
172 println("Checking sanity...");
173 Mixer.Info[] mixers=null;
174
175 mixers = AudioSystem.getMixerInfo();
176 for (int i=0; i<mixers.length; i++) {
177 try {
178 Mixer thisMixer = AudioSystem.getMixer(mixers[i]);
179 String mixerName = thisMixer.getMixerInfo().getName();
180 if (mixerName.indexOf("Java Sound")>=0
181 && mixerName.indexOf("Engine")>=0) {
182 mixer = thisMixer;
183 break;
184 }
185 } catch (Exception e) {
186 e.printStackTrace();
187 }
188 }
189 if (mixer == null) {
190 if (mixers.length==0) {
191 System.out.println("ERROR: No mixers available!");
192 } else {
193 println("ERROR: Java Sound Engine could not be found.");
194 }
195 println("Cannot run this test.");
196 return;
197 }
198 println(" ...using mixer "+mixer.getMixerInfo());
199
200 String osname = System.getProperty("os.name");
201 if ((osname == null) || (osname.toLowerCase().indexOf("linux")<0)) {
202 println("ERROR: not running on linux (you are running on "+osname+")");
203 return;
204 }
205 println(" ...running on "+osname);
206 println(" ...sanity test OK.");
207
208 filename = null;
209 if (args.length>0) {
210 File f = new File(args[0]);
211 if (f.exists()) {
212 filename = args[0];
213 println("Opening "+filename);
214 constructAIS();
215 if (ais!=null) {
216 audioFormat = ais.getFormat();
217 }
218 }
219 }
220 if (ais == null) {
221 println("Using self-generated sine wave for playback");
222 audioFormat = new AudioFormat((float)sampleRate, 8, 1, true, true);
223 for (int i=0; i<audioData.length; i++) {
224 audioData[i] = (byte)(Math.sin(RAD*frequency/sampleRate*i)*127.0);
225 }
226 }
227
228 println("");
229 println("Now, on a second console, run the following command:");
230 println(" cat - < /dev/zero > /dev/dsp");
231 key();
232 println("After you press ENTER now, the mixer will be opened.");
233 println("There are 3 possible cases that can occur:");
234 println("1) you'll hear a sine wave");
235 println(" -> you are running with mixing OSS drivers. ");
236 println(" Some soundcards only provide mixing OSS drivers.");
237 println(" Test environment not valid. ");
238 println(" Repeat on another machine where you can reproduce the bug first.");
239 println("2) this program stops doing anything after 'Opening line...'");
240 println(" -> this is the bug.");
241 println(" Kill the command on the other console with Ctrl-C, this program");
242 println(" should continue working then.");
243 println("3) this program reports a LineUnavailableException");
244 println(" -> bug is fixed.");
245 println(" OR you run with non-blocking OSS drivers.");
246 println(" make sure that you can reproduce this bug first with e.g. J2SE 1.4.1");
247 key();
248 int playedFirst = play(false);
249 int playedSecond = 0;
250
251 if (playedFirst == 2) {
252 println("");
253 println("Now kill the other process with Ctrl-C.");
254 println("After that, this program should be able to play ");
255 println("the sine wave without problems.");
256 key();
257 playedSecond = play(true);
258 }
259 println("");
260 if (playedFirst == 1) {
261 println("Test FAILED.");
262 }
263 else if (playedFirst == 2 && playedSecond == 1) {
264 println("Test SUCCESSFUL");
265 } else {
266 println("Test not failed (but not successful either...).");
267 }
268 }
269 }