package org.uengine.kernel;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
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;
import org.metaworks.Type;
import org.uengine.contexts.FileContext;
import org.uengine.processdesigner.ProcessDesigner;
public class SoundPlayActivity extends DefaultActivity {
private static final long serialVersionUID = GlobalContext.SERIALIZATION_UID;
private Position curPosition= Position.NORMAL;
private final static int EXTERNAL_BUFFER_SIZE = 524288; // 128Kb
enum Position {
LEFT, RIGHT, NORMAL
};
public SoundPlayActivity() {
super("Play Sound");
}
protected void executeActivity(ProcessInstance instance) throws Exception {
AudioInputStream audioInputStream = null;
SourceDataLine auline = null;
try {
try {
File soundFile = this.getSoundFile().getFile();
audioInputStream = AudioSystem.getAudioInputStream(soundFile);
} catch (Exception e) {
URL url = new URL(evaluateContent(instance, this.getSoundUrl()).toString());
audioInputStream = AudioSystem.getAudioInputStream(url);
}
AudioFormat format = audioInputStream.getFormat();
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
auline = (SourceDataLine) AudioSystem.getLine(info);
auline.open(format);
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];
while (nBytesRead != -1) {
nBytesRead = audioInputStream.read(abData, 0, abData.length);
if (nBytesRead >= 0) {
auline.write(abData, 0, nBytesRead);
}
}
auline.drain();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (auline != null) try { auline.close(); } catch (Exception e1) { }
if (audioInputStream != null) try { audioInputStream.close(); } catch (Exception e1) { }
}
fireComplete(instance);
}
FileContext soundFile;
public FileContext getSoundFile() {
return soundFile;
}
public void setSoundFile(FileContext soundFile) {
this.soundFile = soundFile;
}
String soundUrl;
public String getSoundUrl() {
return soundUrl;
}
public void setSoundUrl(String soundUrl) {
this.soundUrl = soundUrl;
}
public static void main(String[] args) throws Exception{
SoundPlayActivity spa = new SoundPlayActivity();
spa.setSoundUrl("https://tts.neospeech.com/audio/a.php/646241/5fb0c7818120/result_1.wav");
spa.executeActivity(null);
}
}