@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);
}
/*
x долже быть в пределах от 0 до 1 (от самого тихого к самому громкому)
*/
public void setVolume(float x) {
if (x < 0) x = 0;
if (x > 1) x = 1;
float min = volumeC.getMinimum();
float max = volumeC.getMaximum();
volumeC.setValue((max - min) * x + min);
}
public FloatControlBoundedRangeModel(FloatControl control) {
this.control = control;
float range = 100;
float steps = range / 100;
factor = range / steps;
int min = (int) (control.getMinimum() * factor);
int max = (int) (control.getMaximum() * factor);
int value = (int) (control.getValue() * factor);
setRangeProperties(value, 0, min, max, false);
}
// Возвращает текущую громкость (число от 0 до 1)
public float getVolume() {
float v = volumeC.getValue();
float min = volumeC.getMinimum();
float max = volumeC.getMaximum();
return (v - min) / (max - min);
}
