--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/LinuxBlock/PlaySine.java Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.LineUnavailableException;
+import javax.sound.sampled.Mixer;
+import javax.sound.sampled.SourceDataLine;
+
+/**
+ * @test
+ * @bug 4834461
+ * @summary Applet hang when you load it during sound card is in use
+ * @run main/manual PlaySine
+ */
+public class PlaySine {
+
+ static int sampleRate = 8000;
+ static double frequency = 2000.0;
+ static double RAD = 2.0 * Math.PI;
+
+ static byte[] audioData = new byte[sampleRate/2];
+ static SourceDataLine source;
+ static Mixer mixer = null;
+
+ static AudioInputStream ais = null;
+ static AudioFormat audioFormat;
+ static String filename;
+
+ public static void constructAIS() {
+ try {
+ ais = AudioSystem.getAudioInputStream(new File(filename));
+ } catch (Exception e) {
+ println("ERROR: could not open "+filename+": "+e.getMessage());
+ }
+ }
+
+ public static void print(String s) {
+ System.out.print(s);
+ }
+ public static void println(String s) {
+ System.out.println(s);
+ }
+
+ public static void key() {
+ println("");
+ print("Press ENTER to continue...");
+ try {
+ System.in.read();
+ } catch (IOException ioe) {
+ }
+ }
+
+ static int audioLen = -1;
+ static int audioOffset = -1;
+
+ public static void writeData() {
+ if (audioLen == -1) {
+ audioLen = audioData.length;
+ }
+ if (audioOffset < 0) {
+ audioOffset = audioLen;
+ }
+ try {
+ if (audioOffset >= audioLen) {
+ audioOffset = 0;
+ if (ais!=null) {
+ do {
+ audioLen = ais.read(audioData, 0, audioData.length);
+ if (audioLen < 0) {
+ constructAIS();
+ }
+ } while (audioLen < 0);
+ }
+ }
+ int toWrite = audioLen - audioOffset;
+ int written = source.write(audioData, audioOffset, toWrite);
+ audioOffset+=written;
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+
+ public static int play(boolean shouldPlay) {
+ int res = 0;
+ DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat);
+ try {
+ println("Getting line from mixer...");
+ source = (SourceDataLine) mixer.getLine(info);
+ println("Opening line...");
+ println(" -- if the program is hanging here, kill the process that has blocks the audio device now.");
+ source.open(audioFormat);
+ println("Starting line...");
+ source.start();
+ println("Writing audio data for 1 second...");
+ long startTime = System.currentTimeMillis();
+ while (System.currentTimeMillis() - startTime < 1000) {
+ writeData();
+ Thread.sleep(100);
+ }
+ res = 1;
+ } catch (IllegalArgumentException iae) {
+ println("IllegalArgumentException: "+iae.getMessage());
+ println("Sound device cannot handle this audio format.");
+ println("ERROR: Test environment not correctly set up.");
+ if (source!=null) {
+ source.close();
+ }
+ return 3;
+ } catch (LineUnavailableException lue) {
+ println("LineUnavailableException: "+lue.getMessage());
+ if (shouldPlay) {
+ println("ERROR: the line should be available now!.");
+ println(" Verify that you killed the other audio process.");
+ } else {
+ println("Correct behavior! the bug is fixed.");
+ }
+ res = 2;
+ } catch (Exception e) {
+ println("Unexpected Exception: "+e.toString());
+ }
+ if (source != null) {
+ println("Draining...");
+ try {
+ source.drain();
+ } catch (NullPointerException npe) {
+ println("(NullPointerException: bug fixed in J2SE 1.4.2");
+ }
+ println("Stopping...");
+ source.stop();
+ println("Closing...");
+ source.close();
+ source = null;
+ }
+ return res;
+ }
+
+ public static void main(String[] args) throws Exception {
+ println("This is an interactive test. You can run it with a filename as argument");
+ println("It is only meant to be run on linux, with the (old) OSS kernel drivers (/dev/dsp)");
+ println("This test should not be run on systems with ALSA installed, or kernel 2.6 or higher.");
+ println("");
+ println("The test verifies that Java Sound fails correctly if another process is blocking");
+ println("the audio device.");
+ println("");
+ println("Checking sanity...");
+ Mixer.Info[] mixers=null;
+
+ mixers = AudioSystem.getMixerInfo();
+ for (int i=0; i<mixers.length; i++) {
+ try {
+ Mixer thisMixer = AudioSystem.getMixer(mixers[i]);
+ String mixerName = thisMixer.getMixerInfo().getName();
+ if (mixerName.indexOf("Java Sound")>=0
+ && mixerName.indexOf("Engine")>=0) {
+ mixer = thisMixer;
+ break;
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ if (mixer == null) {
+ if (mixers.length==0) {
+ System.out.println("ERROR: No mixers available!");
+ } else {
+ println("ERROR: Java Sound Engine could not be found.");
+ }
+ println("Cannot run this test.");
+ return;
+ }
+ println(" ...using mixer "+mixer.getMixerInfo());
+
+ String osname = System.getProperty("os.name");
+ if ((osname == null) || (osname.toLowerCase().indexOf("linux")<0)) {
+ println("ERROR: not running on linux (you are running on "+osname+")");
+ return;
+ }
+ println(" ...running on "+osname);
+ println(" ...sanity test OK.");
+
+ filename = null;
+ if (args.length>0) {
+ File f = new File(args[0]);
+ if (f.exists()) {
+ filename = args[0];
+ println("Opening "+filename);
+ constructAIS();
+ if (ais!=null) {
+ audioFormat = ais.getFormat();
+ }
+ }
+ }
+ if (ais == null) {
+ println("Using self-generated sine wave for playback");
+ audioFormat = new AudioFormat((float)sampleRate, 8, 1, true, true);
+ for (int i=0; i<audioData.length; i++) {
+ audioData[i] = (byte)(Math.sin(RAD*frequency/sampleRate*i)*127.0);
+ }
+ }
+
+ println("");
+ println("Now, on a second console, run the following command:");
+ println(" cat - < /dev/zero > /dev/dsp");
+ key();
+ println("After you press ENTER now, the mixer will be opened.");
+ println("There are 3 possible cases that can occur:");
+ println("1) you'll hear a sine wave");
+ println(" -> you are running with mixing OSS drivers. ");
+ println(" Some soundcards only provide mixing OSS drivers.");
+ println(" Test environment not valid. ");
+ println(" Repeat on another machine where you can reproduce the bug first.");
+ println("2) this program stops doing anything after 'Opening line...'");
+ println(" -> this is the bug.");
+ println(" Kill the command on the other console with Ctrl-C, this program");
+ println(" should continue working then.");
+ println("3) this program reports a LineUnavailableException");
+ println(" -> bug is fixed.");
+ println(" OR you run with non-blocking OSS drivers.");
+ println(" make sure that you can reproduce this bug first with e.g. J2SE 1.4.1");
+ key();
+ int playedFirst = play(false);
+ int playedSecond = 0;
+
+ if (playedFirst == 2) {
+ println("");
+ println("Now kill the other process with Ctrl-C.");
+ println("After that, this program should be able to play ");
+ println("the sine wave without problems.");
+ key();
+ playedSecond = play(true);
+ }
+ println("");
+ if (playedFirst == 1) {
+ println("Test FAILED.");
+ }
+ else if (playedFirst == 2 && playedSecond == 1) {
+ println("Test SUCCESSFUL");
+ } else {
+ println("Test not failed (but not successful either...).");
+ }
+ }
+}