com.sun.media.jfxmedia.effects.EqualizerBand Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.media.jfxmedia.effects;
/**
* EqualizerBand represents a single band in AudioEqualizer. EqualizerBand can specify the center
* frequency, bandwidth, and gain on the band.
*
* @see AudioEqualizer
*/
public interface EqualizerBand
{
/**
* Minimum possible gain.
*/
public static final double MIN_GAIN = -24.0;
/**
* Maximum possible gain.
*/
public static final double MAX_GAIN = 12.0;
/**
* Gets the center frequency of this band. Half of the bandwidth is to the left of this frequncy
* and half is to the right.
*
* @return float value
*/
public double getCenterFrequency();
/**
* Sets the center frequency of this band. Half of the bandwidth is to the left of this frequncy
* and half is to the right.
*
* @param centerFrequency float value
*/
public void setCenterFrequency(double centerFrequency);
/**
* Gets the bandwith (of frequencies) of this band.
*
* @return float value
*/
public double getBandwidth();
/**
* Sets the bandwidth of this band.
*
* @param bandwidth float value
*/
public void setBandwidth(double bandwidth);
/**
* Gets the gain value for this bandwidth. Gains are in decibels.
*
* @return float value for dB
*/
public double getGain();
/**
* Sets the gain value for this bandwidth. Gains are in decibels.
*
* @param gain float value in dB
* @throws IllegalArgumentException if gain
is outside of the
* platform possible range. For example GStreamer based equalizer gain values
* must be in [-24.0; 12.0] interval.
*/
public void setGain(double gain);
}