mart/ev3/ex1/nl/ru/des/WavPlayer.java

   1 package nl.ru.des;
   2
   3 import java.io.BufferedInputStream;
   4 import java.io.File;
   5 import java.io.FileOutputStream;
   6 import java.io.IOException;
   7 import java.io.InputStream;
   8
   9 import lejos.hardware.Audio;
  10 import lejos.utility.Delay;
  11
  12 public class WavPlayer extends Thread{
  13         private static String current;
  14         private Audio audio = null;
  15
  16         public static void playWav(String c){
  17                 current = c;
  18         }
  19
  20         public WavPlayer(Audio audio){
  21                 this.audio = audio;
  22                 audio.setVolume(Audio.VOL_MAX);
  23         }
  24
  25         public void preLoad(String[] files){
  26                 LCDPrinter.print("Preloading audiofiles...");
  27                 for(String sound : files){
  28                         try {
  29                                 LCDPrinter.print("Preloading: " + sound);
  30                                 InputStream inp = new BufferedInputStream(Class.class.getResourceAsStream("/nl/ru/des/sounds/" + sound));
  31                                 File f = new File(sound);
  32                                 if(f.exists()){
  33                                         inp.close();
  34                                         LCDPrinter.print(sound + " already exists, skipping...");
  35                                         continue;
  36                                 }
  37                                 FileOutputStream outp = new FileOutputStream(sound);
  38                                 byte[] buffer = new byte[1024];
  39                                 int length;
  40                                 while ((length = inp.read(buffer)) > 0){
  41                                         outp.write(buffer, 0, length);
  42                                 }
  43                                 outp.close();
  44                                 LCDPrinter.print("Done...");
  45                         } catch (IOException e) {
  46                                 e.printStackTrace();
  47                         }
  48                 }
  49         }
  50
  51         @Override
  52         public void run(){
  53                 File c;
  54                 while(true){
  55                         if(current != null){
  56                                 c = new File(current);
  57                                 if(c.canRead()){
  58                                         audio.playSample(new File(current));
  59                                 } else {
  60                                         LCDPrinter.print("can't load: " + current);
  61                                 }
  62                                 current = null;
  63                         }
  64                         Delay.msDelay(00);
  65                 }
  66         }
  67 }