import javax.sound.sampled.*;
import java.net.*;
import java.io.*;
import java.util.*;

/**
 * Play sound example
 */
public class PlaySound
{
    int freq;
    AudioFormat frm;
    DataLine.Info di;
    SourceDataLine line;

    int sampling_rate=0;
    int mono_stereo=0;
    int sampling_bit=0;    
    
    public PlaySound(int freq, int sampling_bit, int mono_stereo){
        try {        
            this.freq= freq;
            frm=new AudioFormat(freq,sampling_bit,mono_stereo,true,true);
            this.sampling_rate= freq;
            this.sampling_bit= sampling_bit;
            this.mono_stereo= mono_stereo;
            
            di = new DataLine.Info(SourceDataLine.class, frm);

            line = (SourceDataLine)AudioSystem.getLine(di);
            line.open(frm);
            line.start();
        } catch(Exception e) {
            e.printStackTrace();
        }
    }

    public void play(byte[] buffer){
        if(this.sampling_bit==8){
            for(int i=0; i<buffer.length; i++){
                buffer[i]= (byte)(buffer[i]-128);
            }
            line.write(buffer, 0, buffer.length);
        }else{
            line.write(buffer, 0, buffer.length);
        }
    }
    
    public void end(){
        line.drain();
        line.close();
    }
}