Play the wav file

[juhiswt]

I tried to play a wav file.....but it is giving an exception noclassDefoundError here is the code..
import java.io.IOException;
import java.io.InputStream;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.UnsupportedAudioFileException;
import javax.sound.sampled.DataLine.Info;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

public class PlayWaveFile
{
public static void main(String a[])
{
String wavfile=a[0];
FileInputStream inputStream;
try
{
inputStream=new FileInputStream(wavfile);
}
catch(FileNotFoundException e)
{return;}
PlaySound playSound=new PlaySound(inputStream);
try{
playSound.play();
}
catch(PlayWaveException e)
{return;}
}
}
class PlaySound {

private InputStream waveStream;

private final int EXTERNAL_BUFFER_SIZE = 524288; // 128Kb

/**
* CONSTRUCTOR
*/
public PlaySound(InputStream waveStream) {
this.waveStream = waveStream;
}

public void play() throws PlayWaveException {

AudioInputStream audioInputStream = null;
try {
audioInputStream = AudioSystem.getAudioInputStream(this.waveStream);
} catch (UnsupportedAudioFileException e1) {
throw new PlayWaveException(e1);
} catch (IOException e1) {
throw new PlayWaveException(e1);
}

// Obtain the information about the AudioInputStream
AudioFormat audioFormat = audioInputStream.getFormat();
Info info = new Info(SourceDataLine.class, audioFormat);

// opens the audio channel
SourceDataLine dataLine = null;
try {
dataLine = (SourceDataLine) AudioSystem.getLine(info);
dataLine.open(audioFormat, this.EXTERNAL_BUFFER_SIZE);
} catch (LineUnavailableException e1) {
throw new PlayWaveException(e1);
}

// Starts the music :P
dataLine.start();

int readBytes = 0;
byte[] audioBuffer = new byte[this.EXTERNAL_BUFFER_SIZE];

try {
while (readBytes != -1) {
readBytes = audioInputStream.read(audioBuffer, 0,
audioBuffer.length);
if (readBytes >= 0){
dataLine.write(audioBuffer, 0, readBytes);
}
}
} catch (IOException e1) {
throw new PlayWaveException(e1);
} finally {
// plays what's left and and closes the audioChannel
dataLine.drain();
dataLine.close();
}

}
}
class PlayWaveException extends Exception {

public PlayWaveException(String message) {
super(message);
}

public PlayWaveException(Throwable cause) {
super(cause);
}

public PlayWaveException(String message, Throwable cause) {
super(message, cause);
}

}

[sunde887]

Please use code tags to maintain indentation and give more readability to your code.

[UJJAL DHAR]

I have used a simple code to play audio.

import sun.audio.*;

 class JavaAudioPlaySoundExample
{
  public JavaAudioPlaySoundExample()
  {
    
 try{
    // open the sound file as a Java input stream
    String gongFile = "ujjal.wav";
    InputStream in = new FileInputStream(gongFile);

    // create an audiostream from the inputstream
    AudioStream audioStream = new AudioStream(in);

    // play the audio clip with the audioplayer class
    AudioPlayer.player.start(audioStream);
    }
  catch(Exception e){}
  }
}

[juhiswt]

@Ujjal Dhar
I have neve used sun.package;what is this? And it is giving the warning that it may be removed in future release.

[UJJAL DHAR]

FAQ - Sun Packages

Please read this before using sun.packages.

[pbrockway2]

Use the static Applet method newAudioClip() to obtain an AudioClip instance. This AudioClip has a play() method.

From that FAQ: "In general, writing java programs that rely on sun.* is risky: they are not portable, and are not supported." I don't reccommend using such methods.

[UJJAL DHAR]

From that FAQ: "In general, writing java programs that rely on sun.* is risky: they are not portable, and are not supported." I don't reccommend using such methods.

Same from me....

Use the static Applet method newAudioClip() to obtain an AudioClip instance. This AudioClip has a play() method.

It is good.