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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 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);
}
}
}
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