@Override
public void onVolumeChanged(short volume) {
log.info("apply_volume_callback");
log.debug("volume: " + volume);
if (audioLine == null) {
log.warn("audioLine not ready");
return;
}
FloatControl volumeControl = (FloatControl) audioLine.getControl(FloatControl.Type.MASTER_GAIN);
float maxDb = volumeControl.getMaximum();
log.debug("maxDb : " + maxDb);
float minDbOrig = volumeControl.getMinimum();
float minDb = minDbOrig + ((maxDb - minDbOrig) / 3);
log.debug("minDb : " + minDb);
float newVolume = 0;
float volumePercent = (float) (volume / 655.35);
if (volumePercent < 0) {
volumePercent = 100 + volumePercent;
}
log.debug("volume percent : " + volumePercent);
newVolume = (volumePercent * minDb / 100);
newVolume = (newVolume - minDb) * -1;
if (volume == 0) {
log.debug("volume 0, setting max");
newVolume = minDbOrig;
}
log.debug("newVolume : " + newVolume);
volumeControl.setValue(newVolume);
}
public void unMute() {
if (audioLine == null) {
isMuted = false;
} else {
isMuted = false;
if (!audioLine.isControlSupported(BooleanControl.Type.MUTE)) return;
BooleanControl control = (BooleanControl) audioLine.getControl(BooleanControl.Type.MUTE);
control.setValue(false);
}
}
public void doFade(SourceDataLine line, final double to) {
final FloatControl gainControl = (FloatControl) line.getControl(FloatControl.Type.MASTER_GAIN);
new Thread(
new Runnable() {
@Override
public void run() {
fade(gainControl, to);
}
})
.start();
}
public void mute() {
if (audioLine == null) {
isMuted = true;
} else {
// when requesting the same line you sometimes get different features
isMuted = true;
if (!audioLine.isControlSupported(BooleanControl.Type.MUTE)) return;
BooleanControl control = (BooleanControl) audioLine.getControl(BooleanControl.Type.MUTE);
control.setValue(true);
}
}
@Override
public void onActive() {
if (audioLine != null) audioLine.close();
try {
if (player.getMixer() != null) {
log.debug("Custom mixer " + player.getMixer().getName());
audioLine = AudioSystem.getSourceDataLine(PCM, player.getMixer());
} else {
audioLine = AudioSystem.getSourceDataLine(PCM);
}
audioLine.open(PCM, 1048576);
onVolumeChanged(player.getVolume());
if (isMuted && audioLine.isControlSupported(BooleanControl.Type.MUTE))
((BooleanControl) audioLine.getControl(BooleanControl.Type.MUTE)).setValue(true);
} catch (LineUnavailableException e) {
log.error("onActive error", e);
}
}
private void setVolume(double value) {
for (SourceDataLine line : new SourceDataLine[] {mainLine, bufferLine}) {
FloatControl gainControl = (FloatControl) line.getControl(FloatControl.Type.MASTER_GAIN);
gainControl.setValue(getDb(value));
}
}
