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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package com.sun.media.jfxmediaimpl;

import com.sun.media.jfxmedia.effects.AudioEqualizer;
import com.sun.media.jfxmedia.effects.EqualizerBand;

final class NativeAudioEqualizer implements AudioEqualizer {
    
Handle to the native equalizer.
/** * Handle to the native equalizer. */
private final long nativeRef; //************************************************************************** //***** Constructors //**************************************************************************
Constructor.
Params:
  • nativeRef – A reference to the native component.
/** * Constructor. * @param nativeRef A reference to the native component. */
NativeAudioEqualizer(long nativeRef) { if (nativeRef == 0) { throw new IllegalArgumentException("Invalid native media reference"); } this.nativeRef = nativeRef; } //************************************************************************** //***** Public functions //************************************************************************** @Override public boolean getEnabled() { return nativeGetEnabled(nativeRef); } @Override public void setEnabled(boolean enable) { nativeSetEnabled(nativeRef, enable); } @Override public EqualizerBand addBand(double centerFrequency, double bandwidth, double gain) { return (nativeGetNumBands(nativeRef) >= MAX_NUM_BANDS && gain >= EqualizerBand.MIN_GAIN && gain <= EqualizerBand.MAX_GAIN) ? null : nativeAddBand(nativeRef, centerFrequency, bandwidth, gain); } @Override public boolean removeBand(double centerFrequency) { return (centerFrequency > 0) ? nativeRemoveBand(nativeRef, centerFrequency) : false; } //************************************************************************** //***** JNI methods //************************************************************************** private native boolean nativeGetEnabled(long nativeRef); private native void nativeSetEnabled(long nativeRef, boolean enable); private native int nativeGetNumBands(long nativeRef); private native EqualizerBand nativeAddBand(long nativeRef, double centerFrequency, double bandwidth, double gain); private native boolean nativeRemoveBand(long nativeRef, double centerFrequency); }