package sc;
import java.io.IOException;
import java.net.URL;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.UnsupportedAudioFileException;
public class PlayWav extends Thread
{
private SourceDataLine auline = null;
private URL url;
private Position curPosition;
private final int EXTERNAL_BUFFER_SIZE = 524288; // 128Kb
enum Position
{
LEFT, RIGHT, NORMAL
};
public PlayWav(String wavfile)
{
url = this.getClass().getResource(wavfile);
curPosition = Position.NORMAL;
}
public PlayWav(String wavfile, Position p)
{
url = this.getClass().getResource(wavfile);
curPosition = p;
}
public void end()
{
auline.close();
}
public void run()
{
AudioInputStream audioInputStream = null;
try
{
audioInputStream = AudioSystem.getAudioInputStream(url);
}
catch (UnsupportedAudioFileException e1)
{
e1.printStackTrace();
return;
}
catch (IOException e1)
{
e1.printStackTrace();
return;
}
AudioFormat format = audioInputStream.getFormat();
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
try
{
auline = (SourceDataLine) AudioSystem.getLine(info);
auline.open(format);
}
catch (LineUnavailableException e)
{
e.printStackTrace();
return;
}
catch (Exception e)
{
e.printStackTrace();
return;
}
if (auline.isControlSupported(FloatControl.Type.PAN))
{
FloatControl pan = (FloatControl) auline
.getControl(FloatControl.Type.PAN);
if (curPosition == Position.RIGHT)
pan.setValue(1.0f);
else if (curPosition == Position.LEFT)
pan.setValue(-1.0f);
}
auline.start();
int nBytesRead = 0;
byte[] abData = new byte[EXTERNAL_BUFFER_SIZE];
try
{
while (nBytesRead != -1)
{
nBytesRead = audioInputStream.read(abData, 0, abData.length);
if (nBytesRead >= 0)
auline.write(abData, 0, nBytesRead);
}
}
catch (IOException e)
{
e.printStackTrace();
return;
}
finally
{
auline.drain();
auline.close();
}
}
}