| /* |
| * 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.util.Random; |
| |
| 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 4828556 |
| * @summary stopping and starting sampled audio plays small chunk in infinite |
| * loop |
| */ |
| public class StopStart implements Runnable { |
| |
| static int sampleRate = 8000; |
| static double frequency = 2000.0; |
| static double RAD = 2.0 * Math.PI; |
| static Random random = new Random(); |
| |
| static byte[] audioData = new byte[sampleRate/2]; |
| static SourceDataLine source; |
| |
| static boolean terminated = false; |
| |
| static int buffersWritten = 0; |
| static long bytesWritten = 0; |
| static int buffersWrittenAfter5Seconds; |
| |
| static AudioInputStream ais = null; |
| static AudioFormat audioFormat; |
| static String filename; |
| |
| static int executedTests=0; |
| static int successfulTests = 0; |
| |
| public static void constructAIS() throws Exception { |
| ais = AudioSystem.getAudioInputStream(new File(filename)); |
| } |
| |
| public static void doStartStopTest1() throws Exception { |
| System.out.println("TEST 1: play for 3 seconds, stop/start/stop/start/play for 3 seconds..."); |
| source.start(); |
| Thread.sleep(100); |
| bytesWritten = 0; |
| System.out.println("Waiting for 3 seconds..."); |
| Thread.sleep(3000); |
| buffersWrittenAfter5Seconds = buffersWritten; |
| System.out.println("Buffers Written: "+buffersWritten); |
| System.out.println("stop()->start()->stop()->start()"); |
| source.stop(); |
| //System.out.println("start()"); |
| source.start(); |
| //System.out.println("stop()2 ----------------------------------------------------------"); |
| source.stop(); |
| //System.out.println("start()"); |
| source.start(); |
| System.out.println("Buffers Written: "+buffersWritten); |
| System.out.println("Waiting for 3 seconds..."); |
| Thread.sleep(3000); |
| System.out.println("Buffers Written: "+buffersWritten); |
| if (buffersWritten >= ((buffersWrittenAfter5Seconds * 2) - ((buffersWrittenAfter5Seconds / 4)))) { |
| successfulTests++; |
| } |
| } |
| |
| private static int nextWaitTime() { |
| int waitTime = random.nextInt(25); |
| waitTime*=waitTime; |
| if (waitTime<20) waitTime = 0; |
| return waitTime; |
| } |
| |
| |
| public static void doStartStopTest2() throws Exception { |
| System.out.println("TEST 2: start and stop 100 times with random wait in between"); |
| int max=100; |
| for (int i=0; i<max; i++) { |
| System.out.println("Round "+i); |
| System.out.println("Start...."); |
| source.start(); |
| int waitTime = nextWaitTime(); |
| System.out.println("Waiting for "+waitTime+"ms..."); |
| if (waitTime>0) { |
| Thread.sleep(waitTime); |
| } |
| System.out.println("stop()"); |
| source.stop(); |
| waitTime = nextWaitTime(); |
| System.out.println("Waiting for "+waitTime+"ms..."); |
| if (waitTime>0) { |
| Thread.sleep(waitTime); |
| } |
| } |
| } |
| |
| public static void doStartStopTest3() throws Exception { |
| System.out.println("TEST 3: start and stop 100 times with random wait only every 10 rounds "); |
| int max=100; |
| for (int i=0; i<max; i++) { |
| System.out.println("Round "+i); |
| System.out.println("Start...."); |
| source.start(); |
| if (i % 10 == 9) { |
| int waitTime = nextWaitTime(); |
| System.out.println("Waiting for "+waitTime+"ms..."); |
| if (waitTime>0) { |
| Thread.sleep(waitTime); |
| } |
| } |
| System.out.println("stop()"); |
| source.stop(); |
| if (i % 13 == 12) { |
| int waitTime = nextWaitTime(); |
| System.out.println("Waiting for "+waitTime+"ms..."); |
| if (waitTime>0) { |
| Thread.sleep(waitTime); |
| } |
| } |
| } |
| } |
| |
| public static void runTest(int testNum) { |
| terminated = false; |
| Thread thread = null; |
| buffersWrittenAfter5Seconds = 0; |
| // make the tests reproduceable by always seeding with same value |
| random.setSeed(1); |
| try { |
| executedTests++; |
| thread = new Thread(new StopStart()); |
| thread.start(); |
| switch (testNum) { |
| case 1: doStartStopTest1(); break; |
| case 2: doStartStopTest2(); break; |
| case 3: doStartStopTest3(); break; |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| source.stop(); |
| source.close(); |
| if (thread!=null) { |
| terminated = true; |
| System.out.println("Waiting for thread to die..."); |
| try { |
| thread.join(); |
| } catch (InterruptedException ie) { |
| ie.printStackTrace(); |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| filename = null; |
| if (args.length>0) { |
| File f = new File(args[0]); |
| if (f.exists()) { |
| filename = args[0]; |
| System.out.println("Opening "+filename); |
| constructAIS(); |
| audioFormat = ais.getFormat(); |
| } |
| } |
| if (filename == null) { |
| 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); |
| } |
| } |
| long startTime = System.currentTimeMillis(); |
| Mixer.Info[] mixers = AudioSystem.getMixerInfo(); |
| for (int i=0; i<mixers.length; i++) { |
| try { |
| Mixer mixer = AudioSystem.getMixer(mixers[i]); |
| DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat); |
| String mixerName = mixer.getMixerInfo().getName(); |
| try { |
| source = (SourceDataLine) mixer.getLine(info); |
| source.open(audioFormat); |
| } catch (IllegalArgumentException iae) { |
| System.out.println("Mixer "+mixerName+" does not provide a SourceDataLine."); |
| continue; |
| } catch (LineUnavailableException lue) { |
| System.out.println("Mixer "+mixerName+": no lines available."); |
| continue; |
| } |
| System.out.println("***** Testing on Mixer "+mixerName+":"); |
| //runTest(2); |
| //runTest(3); |
| runTest(1); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| if (mixers.length==0) { |
| System.out.println("No mixers available!"); |
| } else { |
| long duration = System.currentTimeMillis() - startTime; |
| |
| System.out.println("Test took "+(duration/1000)+"s and "+(duration % 1000)+"ms."); |
| } |
| |
| System.out.println("Exiting main()"); |
| if (executedTests>0) { |
| if (successfulTests == 0) { |
| if (args.length == 0) { |
| throw new Exception("Test FAILED"); |
| } |
| System.out.println("test FAILED."); |
| } else { |
| System.out.println("test successful."); |
| } |
| } else { |
| System.out.println("Could not execute any tests - are soundcards correctly installed?"); |
| System.out.println("Test NOT FAILED."); |
| } |
| } |
| |
| public void run() { |
| int len = audioData.length; |
| int offset = len; |
| System.out.println("Thread: started. Beginning audio i/o"); |
| while (!terminated) { |
| try { |
| //if (!source.isActive()) { |
| // Thread.sleep(50); |
| //} |
| if (offset >= len) { |
| offset = 0; |
| if (ais!=null) { |
| do { |
| len = ais.read(audioData, 0, audioData.length); |
| if (len < 0) { |
| constructAIS(); |
| } |
| } while (len < 0); |
| } |
| } |
| int toWrite = len - offset; |
| int written = source.write(audioData, offset, toWrite); |
| offset+=written; |
| bytesWritten += written; |
| buffersWritten = (int) (bytesWritten / audioData.length); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| terminated = true; |
| } |
| } |
| System.out.println("Thread: closing line"); |
| source.stop(); |
| source.close(); |
| System.out.println("Thread finished"); |
| } |
| } |