| /* |
| * 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.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 Test5032020. |
| */ |
| public class DirectSoundUnderrunSilence { |
| |
| 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 (no repeating tones)."); |
| key(); |
| source.write(audioData, 0, audioData.length); |
| println("Now you should have heard another short tone."); |
| println("If you did not hear a second tone, or more than 2 tones,"); |
| println("the test is FAILED."); |
| println("otherwise, if you heard a total of 2 tones, 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 it's impossible to play data after an underun, the test fails."); |
| println(""); |
| println("Make sure that you have speakers connected"); |
| println("and that the system mixer is not muted."); |
| println("Also stop all other programs playing sounds:"); |
| println("It has been seen that it alters the results."); |
| 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."); |
| } |
| } |
| |
| } |