/*
 * Copyright (c) 2008, 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.sound;

import javax.sound.sampled.Mixer;
import javax.sound.sampled.Mixer.Info;
import javax.sound.sampled.spi.MixerProvider;

Provider for software audio mixer.
Author:Karl Helgason
/** * Provider for software audio mixer. * * @author Karl Helgason */
public final class SoftMixingMixerProvider extends MixerProvider { static SoftMixingMixer globalmixer = null; static Thread lockthread = null; static final Object mutex = new Object(); @Override public Mixer getMixer(Info info) { if (!(info == null || info == SoftMixingMixer.info)) { throw new IllegalArgumentException("Mixer " + info.toString() + " not supported by this provider."); } synchronized (mutex) { if (lockthread != null) if (Thread.currentThread() == lockthread) throw new IllegalArgumentException("Mixer " + info.toString() + " not supported by this provider."); if (globalmixer == null) globalmixer = new SoftMixingMixer(); return globalmixer; } } @Override public Info[] getMixerInfo() { return new Info[] { SoftMixingMixer.info }; } }