MultiClip.java 文件源码

/**
* Mute the Clip (because destroying it, won't stop it)
*/
public void mute() {
    try {
        Clip c = getClip();
        if (c == null) {
            return;
        }
        float val = (float) (Math.log(Float.MIN_VALUE) / Math.log(10.0) * 20.0);
        if (val < -80.0f) {
            val = -80.0f;
        }
        ((FloatControl) c.getControl(FloatControl.Type.MASTER_GAIN)).setValue(val);
    } catch (IllegalArgumentException ignored) {
    } catch (LineUnavailableException e) {
        e.printStackTrace();
    }
}