guiserver/java/SoundSystem.java

   1 //
   2 //  Dispatcher.java
   3 //  guiserver
   4 //
   5 //  Created by Lutz Mueller on 8/13/07.
   6 //
   7 //
   8 //    Copyright (C) 2007 Lutz Mueller
   9 //
  10 //    This program is free software: you can redistribute it and/or modify
  11 //    it under the terms of the GNU General Public License as published by
  12 //    the Free Software Foundation, either version 3 of the License, or
  13 //    (at your option) any later version.
  14 //
  15 //    This program is distributed in the hope that it will be useful,
  16 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 //    GNU General Public License for more details.
  19 //
  20 //    You should have received a copy of the GNU General Public License
  21 //    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  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.SourceDataLine;
  33
  34 public class SoundSystem
  35 {
  36 private static final int        EXTERNAL_BUFFER_SIZE = 64000;
  37
  38 public static void playSound(String filePath)
  39         {
  40         File soundFile = new File(filePath);
  41         AudioInputStream audioInputStream = null;
  42
  43         try     { audioInputStream = AudioSystem.getAudioInputStream(soundFile);        }
  44         catch (Exception e)     {
  45                 ErrorDialog.show("play-sound","Unsupported audio file");
  46                 return;
  47                 }
  48
  49         AudioFormat     audioFormat = audioInputStream.getFormat();
  50
  51         SourceDataLine line = null;
  52
  53         DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat);
  54         try     {
  55                 line = (SourceDataLine) AudioSystem.getLine(info);
  56                 line.open(audioFormat);
  57                 }
  58         catch (LineUnavailableException e) {
  59                 System.out.println("Sound data line not available");
  60                 return;
  61                 }
  62         catch (Exception e)     {
  63                 ErrorDialog.show("play-sound","Could nor open sound data line");
  64                 return;
  65                 }
  66
  67         line.start();
  68
  69         int     nBytesRead = 0;
  70         byte[]  abData = new byte[EXTERNAL_BUFFER_SIZE];
  71
  72         while (nBytesRead != -1)
  73                 {
  74                 try     { nBytesRead = audioInputStream.read(abData, 0, abData.length); }
  75                 catch (IOException e) {
  76                         ErrorDialog.show("play-sound","Could not read audio file");
  77                         }
  78                 if (nBytesRead >= 0)
  79                         {
  80                         int     nBytesWritten = line.write(abData, 0, nBytesRead);
  81                         }
  82                 }
  83
  84         line.drain();
  85         line.close();
  86         line = null;
  87         }
  88
  89 }
  90
  91 // eof