jdk/test/javax/sound/sampled/Mixers/DirectSoundRepeatingBuffer/DirectSoundRepeatingBuffer.java
changeset 41905 e8e5df013c6e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/sound/sampled/Mixers/DirectSoundRepeatingBuffer/DirectSoundRepeatingBuffer.java	Mon Oct 31 14:50:09 2016 +0300
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2004, 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.IOException;
+
+import javax.sound.sampled.AudioFormat;
+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;
+
+/**
+ * This is utility class for Test4997635.
+ */
+public class DirectSoundRepeatingBuffer {
+
+    static int sampleRate = 8000;
+    static double frequency = 1000.0;
+    static double RAD = 2.0 * Math.PI;
+
+    static byte[] audioData = new byte[sampleRate/8];
+    static DataLine.Info info;
+    static SourceDataLine source;
+
+    //static AudioInputStream ais = null;
+    static AudioFormat audioFormat;
+    //static String filename;
+
+    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) {
+        }
+        println("");
+    }
+
+    public static void play(Mixer mixer) {
+        int res = 0;
+        try {
+            println("Getting SDL from mixer...");
+            source = (SourceDataLine) mixer.getLine(info);
+            println("Opening SDL...");
+            source.open(audioFormat);
+            println("Writing data to SDL...");
+            source.write(audioData, 0, audioData.length);
+            println("Starting SDL...");
+            source.start();
+            println("Now open your ears:");
+            println("- you should have heard a short tone,");
+            println("  followed by silence.");
+            println("- if after a while you hear repeated tones,");
+            println("  the bug is NOT fixed.");
+            println("- if the program remains silent after the ");
+            println("  initial tone, the bug is fixed.");
+            key();
+        } 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();
+                source = null;
+            }
+            return;
+        } catch (LineUnavailableException lue) {
+            println("LineUnavailableException: "+lue.getMessage());
+            println("This is normal for some mixers.");
+        } catch (Exception e) {
+            println("Unexpected Exception: "+e.toString());
+        }
+        if (source != null) {
+            println("Stopping...");
+            source.stop();
+            println("Closing...");
+            source.close();
+            println("Closed.");
+            source = null;
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        println("This is an interactive test for DirectAudio.");
+        println("If the tone repeats, the test is failed.");
+        println("");
+        println("Make sure that you have speakers connected");
+        println("and that the system mixer is not muted.");
+        println("");
+        println("Press a key to start the test.");
+        key();
+        Mixer.Info[] mixers=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);
+            }
+        info = new DataLine.Info(SourceDataLine.class, audioFormat);
+
+        mixers = AudioSystem.getMixerInfo();
+        int succMixers = 0;
+        for (int i=0; i<mixers.length; i++) {
+            println(""+mixers[i]+":");
+            if ((mixers[i].getName()+mixers[i].getDescription()+mixers[i].getVendor()).indexOf("Direct") < 0) {
+                println("  ->not a DirectAudio Mixer!");
+            } else {
+            try {
+                Mixer mixer = AudioSystem.getMixer(mixers[i]);
+                if (!mixer.isLineSupported(info)) {
+                        println("  ->doesn't support SourceDataLine!");
+                } else {
+                    succMixers++;
+                    println("  -> is getting tested.");
+                    play(mixer);
+                }
+            } catch (Exception e) {
+                println("  -> Exception occured: "+e);
+                e.printStackTrace();
+            }
+          }
+        }
+        if (succMixers == 0) {
+                println("No DirectAudio mixers available! ");
+                println("Cannot run test.");
+        }
+    }
+}