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Diffstat (limited to 'src/java/com/jogamp/openal/util/ALut.java')
-rw-r--r-- | src/java/com/jogamp/openal/util/ALut.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/java/com/jogamp/openal/util/ALut.java b/src/java/com/jogamp/openal/util/ALut.java new file mode 100644 index 0000000..2db47d0 --- /dev/null +++ b/src/java/com/jogamp/openal/util/ALut.java @@ -0,0 +1,146 @@ +/** +* 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); + } + } +} |