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+/**
+* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* -Redistribution of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* -Redistribution in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* Neither the name of Sun Microsystems, Inc. or the names of contributors may
+* be used to endorse or promote products derived from this software without
+* specific prior written permission.
+*
+* This software is provided "AS IS," without a warranty of any kind.
+* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
+* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
+* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS
+* LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A
+* RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
+* IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT
+* OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
+* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+*
+* You acknowledge that this software is not designed or intended for use in the
+* design, construction, operation or maintenance of any nuclear facility.
+*
+* Created on Jun 27, 2003
+*/
+
+package com.jogamp.openal.util;
+
+import java.io.*;
+import java.nio.ByteBuffer;
+
+import javax.sound.sampled.UnsupportedAudioFileException;
+
+import com.jogamp.openal.*;
+
+/**
+ * @author Athomas Goldberg
+ *
+ */
+public final class ALut {
+
+ private static ALC alc;
+ private static ALCdevice device;
+ private static ALCcontext context;
+ private static Thread initializingThread;
+
+ private ALut() { }
+
+ /** Initializes the OpenAL Utility Toolkit, creates an OpenAL
+ context and makes it current on the current thread. The ALut may
+ only be initialized on one thread at any given time. */
+ public static synchronized void alutInit() throws ALException {
+ if (context != null) {
+ throw new ALException("Already initialized on thread " + initializingThread.getName());
+ }
+ if (alc == null) {
+ alc = ALFactory.getALC();
+ }
+ String deviceName = null;
+ ALCdevice d = alc.alcOpenDevice(deviceName);
+ if (d == null) {
+ throw new ALException("Error opening default OpenAL device");
+ }
+ ALCcontext c = alc.alcCreateContext(d, null);
+ if (c == null) {
+ alc.alcCloseDevice(d);
+ throw new ALException("Error creating OpenAL context");
+ }
+ alc.alcMakeContextCurrent(c);
+ if (alc.alcGetError(d) != 0) {
+ alc.alcDestroyContext(c);
+ alc.alcCloseDevice(d);
+ throw new ALException("Error making OpenAL context current");
+ }
+ // Fully initialized; finish setup
+ device = d;
+ context = c;
+ initializingThread = Thread.currentThread();
+ }
+
+ /** Shuts down the OpenAL Utility Toolkit; releases and destroys the
+ internal OpenAL context and closes the output device. Must be
+ called from the same thread as alutInit(). Most applications
+ should not need to call this; only those which wish to toggle
+ sound on / off at run time by initializing and un-initializing
+ OpenAL need to call it. */
+ public static synchronized void alutExit() throws ALException {
+ if (context == null) {
+ throw new ALException("Not initialized");
+ }
+ alc.alcMakeContextCurrent(null);
+ alc.alcDestroyContext(context);
+ alc.alcCloseDevice(device);
+ context = null;
+ device = null;
+ initializingThread = null;
+ }
+
+ public static void alutLoadWAVFile(String fileName,
+ int[] format,
+ ByteBuffer[] data,
+ int[] size,
+ int[] freq,
+ int[] loop) throws ALException {
+ try {
+ WAVData wd = WAVLoader.loadFromFile(fileName);
+ format[0] = wd.format;
+ data[0] = wd.data;
+ size[0] = wd.size;
+ freq[0] = wd.freq;
+ loop[0] = wd.loop ? AL.AL_TRUE : AL.AL_FALSE;
+ } catch (Exception e) {
+ throw new ALException(e);
+ }
+ }
+
+ public static void alutLoadWAVFile(InputStream stream,
+ int[] format,
+ ByteBuffer[] data,
+ int[] size,
+ int[] freq,
+ int[] loop) throws ALException {
+ try {
+ if (!(stream instanceof BufferedInputStream)) {
+ stream = new BufferedInputStream(stream);
+ }
+ WAVData wd = WAVLoader.loadFromStream(stream);
+ format[0] = wd.format;
+ data[0] = wd.data;
+ size[0] = wd.size;
+ freq[0] = wd.freq;
+ loop[0] = wd.loop ? AL.AL_TRUE : AL.AL_FALSE;
+ } catch (Exception e) {
+ throw new ALException(e);
+ }
+ }
+}