public boolean play() {
try {
if (playState != STOPPED) playStop();
if (audioBytes == null) return false;
DataLine.Info info = new DataLine.Info(Clip.class, format);
clip = (Clip) AudioSystem.getLine(info);
clip.addLineListener(new ClipListener());
long clipStart = (long) (audioBytes.length * getStartTime() / (getDuration() * 1000.0));
long clipEnd = (long) (audioBytes.length * getEndTime() / (getDuration() * 1000.0));
if ((clipEnd - clipStart) > MAX_CLIP_LENGTH) clipEnd = clipStart + MAX_CLIP_LENGTH;
byte[] clipBytes = new byte[(int) (clipEnd - clipStart)];
System.arraycopy(audioBytes, (int) clipStart, clipBytes, 0, clipBytes.length);
clip.open(format, clipBytes, 0, clipBytes.length);
FloatControl panControl = (FloatControl) clip.getControl(FloatControl.Type.PAN);
panControl.setValue((float) panSetting / 100.0f);
double value = (double) gainSetting;
FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
float dB = (float) (Math.log(value == 0.0 ? 0.0001 : value) / Math.log(10.0) * 20.0);
gainControl.setValue(dB);
double playStartTime = (player.getSeekTime() / 100) * (playGetLength());
clip.setMicrosecondPosition((long) playStartTime);
clip.start();
playState = PLAYING;
return true;
} catch (Exception ex) {
ex.printStackTrace();
playState = STOPPED;
clip = null;
return false;
}
}
private void playNext(File file)
throws IOException, UnsupportedAudioFileException, LineUnavailableException {
synchronized (notificationMutex) {
playing = true;
}
CancelAction cancelAction = new CancelAction();
Application.getInstance()
.getContext()
.getNotificationManager()
.showNotification(
MessageFormat.format(
Application.getInstance().getContext().getBundle().getString("play-voice-started"),
file.getName()),
cancelAction);
try (AudioInputStream inputStream = AudioSystem.getAudioInputStream(file)) {
clip = AudioSystem.getClip();
clip.addLineListener(clipListener);
clip.open(inputStream);
clip.start();
}
}