author | darcy |
Mon, 05 May 2014 23:19:00 -0700 | |
changeset 24548 | 9c007a986347 |
parent 18215 | b2afd66ce6db |
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/* |
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* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.media.sound; |
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import javax.sound.sampled.Mixer; |
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import javax.sound.sampled.Mixer.Info; |
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import javax.sound.sampled.spi.MixerProvider; |
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/** |
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* Provider for software audio mixer |
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* |
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* @author Karl Helgason |
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*/ |
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public final class SoftMixingMixerProvider extends MixerProvider { |
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static SoftMixingMixer globalmixer = null; |
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static Thread lockthread = null; |
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static final Object mutex = new Object(); |
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public Mixer getMixer(Info info) { |
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if (!(info == null || info == SoftMixingMixer.info)) { |
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throw new IllegalArgumentException("Mixer " + info.toString() |
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+ " not supported by this provider."); |
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} |
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synchronized (mutex) { |
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if (lockthread != null) |
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if (Thread.currentThread() == lockthread) |
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throw new IllegalArgumentException("Mixer " |
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+ info.toString() |
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+ " not supported by this provider."); |
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if (globalmixer == null) |
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globalmixer = new SoftMixingMixer(); |
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return globalmixer; |
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} |
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} |
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public Info[] getMixerInfo() { |
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return new Info[] { SoftMixingMixer.info }; |
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} |
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} |