StreamPlayer.java 文件源码

/**
 * Represents a control for the relative balance of a stereo signal between two stereo speakers. The valid range of values is -1.0 (left channel
 * only) to 1.0 (right channel only). The default is 0.0 (centered).
 *
 * @param fBalance
 *            the new balance
 */
public void setBalance(float fBalance) {
    if (hasControl(FloatControl.Type.BALANCE, balanceControl) && fBalance >= -1.0 && fBalance <= 1.0)
        balanceControl.setValue(fBalance);
    else
        try {
            throw new StreamPlayerException(StreamPlayerException.PlayerException.BALANCE_CONTROL_NOT_SUPPORTED);
        } catch (StreamPlayerException ex) {
            logger.log(Level.WARNING, ex.getMessage(), ex);
        }
}