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import java.io.*;
import javax.sound.sampled.*;
public class sound {
private AudioFormat format;
private byte[] samples;
public sound(String filename){
try{
AudioInputStream stream = AudioSystem.getAudioInputStream(new File(filename));
format = stream.getFormat();
samples = getSamples(stream);
}
catch (UnsupportedAudioFileException e){
e.printStackTrace();
}
catch (IOException e){
e.printStackTrace();
}
}
public byte[] getSamples(){
return samples;
}
public byte[] getSamples(AudioInputStream stream){
int length =(int)(stream.getFrameLength() * format.getFrameSize());
byte[] samples = new byte[length];
DataInputStream in = new DataInputStream(stream);
try{
in.readFully(samples);
}
catch (IOException e){
e.printStackTrace();
}
return samples;
}
public void play(InputStream source){
// 100 ms buffer for real time change to the sound stream
int bufferSize =format.getFrameSize()* Math.round(format.getSampleRate() / 10);
//System.out.println(bufferSize);
byte[] buffer = new byte[bufferSize];
SourceDataLine line;
try{
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
line = (SourceDataLine)AudioSystem.getLine(info);
line.open(format, bufferSize);
}
catch (LineUnavailableException e){
e.printStackTrace();
return;
}
line.start();
try{
int numBytesRead = 0;
while (numBytesRead != -1){
numBytesRead = source.read(buffer, 0, buffer.length);
if (numBytesRead != -1)
line.write(buffer, 0, numBytesRead);
}
}
catch (IOException e){
e.printStackTrace();
}
line.drain();
line.close();
}
} |
