279 lines
8.8 KiB
Java
279 lines
8.8 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.util;
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import java.io.BufferedInputStream;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.net.URL;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.ShortBuffer;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.spi.AudioFileReader;
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import javax.sound.sampled.AudioInputStream;
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import javax.sound.sampled.AudioSystem;
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import org.lwjgl.openal.AL10;
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import dev.pfaff.unfettered.Unfettered;
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import static java.lang.invoke.MethodHandles.*;
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import static java.lang.invoke.MethodType.*;
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/**
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*
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* Utitlity class for loading wavefiles.
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*
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* @author Brian Matzon <brian@matzon.dk>
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* @version $Revision$
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* $Id$
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*/
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public class WaveData {
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private static final MethodHandle MH_getWaveInputStream;
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static {
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MethodHandles.Lookup l = Unfettered.getTrustedLookup();
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try {
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Class<?> C_WaveFileReader = Class.forName("com.sun.media.sound.WaveFileReader");
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MethodHandle MH_WaveFileReader_constructor = l.findConstructor(C_WaveFileReader, methodType(void.class));
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MethodHandle MH_getAudioInputStream = l.findVirtual(AudioFileReader.class, "getAudioInputStream", methodType(AudioInputStream.class, InputStream.class));
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MH_getAudioInputStream = MH_getAudioInputStream.asType(MH_getAudioInputStream.type().changeParameterType(0, C_WaveFileReader).changeParameterType(1, BufferedInputStream.class));
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MH_getWaveInputStream = foldArguments(MH_getAudioInputStream, dropArguments(MH_WaveFileReader_constructor, 0, BufferedInputStream.class));
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} catch (Throwable e) {
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throw new RuntimeException(e);
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}
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}
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/** actual wave data */
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public final ByteBuffer data;
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/** format type of data */
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public final int format;
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/** sample rate of data */
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public final int samplerate;
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/**
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* Creates a new WaveData
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*
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* @param data actual wavedata
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* @param format format of wave data
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* @param samplerate sample rate of data
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*/
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private WaveData(ByteBuffer data, int format, int samplerate) {
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this.data = data;
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this.format = format;
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this.samplerate = samplerate;
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}
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/**
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* Disposes the wavedata
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*/
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public void dispose() {
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data.clear();
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}
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/**
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* Creates a WaveData container from the specified url
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*
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* @param path URL to file
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* @return WaveData containing data, or null if a failure occured
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*/
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public static WaveData create(URL path) {
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try {
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// due to an issue with AudioSystem.getAudioInputStream
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// and mixing unsigned and signed code
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// we will use the reader directly
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AudioInputStream ais = (AudioInputStream) MH_getWaveInputStream.invokeExact(new BufferedInputStream(path.openStream()));
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return create(ais);
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} catch (Throwable e) {
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org.lwjgl.LWJGLUtil.logger().log(() -> "Unable to create from: " + path + ", " + e.getMessage());
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return null;
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}
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}
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/**
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* Creates a WaveData container from the specified in the classpath
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*
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* @param path path to file (relative, and in classpath)
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* @return WaveData containing data, or null if a failure occured
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*/
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public static WaveData create(String path) {
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return create(Thread.currentThread().getContextClassLoader().getResource(path));
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}
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/**
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* Creates a WaveData container from the specified inputstream
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*
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* @param is InputStream to read from
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* @return WaveData containing data, or null if a failure occured
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*/
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public static WaveData create(InputStream is) {
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try {
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return create(
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AudioSystem.getAudioInputStream(is));
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} catch (Exception e) {
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org.lwjgl.LWJGLUtil.logger().log(() -> "Unable to create from inputstream, " + e.getMessage());
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return null;
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}
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}
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/**
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* Creates a WaveData container from the specified bytes
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*
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* @param buffer array of bytes containing the complete wave file
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* @return WaveData containing data, or null if a failure occured
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*/
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public static WaveData create(byte[] buffer) {
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try {
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return create(
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AudioSystem.getAudioInputStream(
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new BufferedInputStream(new ByteArrayInputStream(buffer))));
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} catch (Exception e) {
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org.lwjgl.LWJGLUtil.logger().log(() -> "Unable to create from byte array, " + e.getMessage());
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return null;
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}
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}
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/**
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* Creates a WaveData container from the specified ByetBuffer.
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* If the buffer is backed by an array, it will be used directly,
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* else the contents of the buffer will be copied using get(byte[]).
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*
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* @param buffer ByteBuffer containing sound file
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* @return WaveData containing data, or null if a failure occured
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*/
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public static WaveData create(ByteBuffer buffer) {
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try {
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byte[] bytes = null;
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if(buffer.hasArray()) {
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bytes = buffer.array();
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} else {
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bytes = new byte[buffer.capacity()];
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buffer.get(bytes);
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}
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return create(bytes);
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} catch (Exception e) {
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org.lwjgl.LWJGLUtil.logger().log(() -> "Unable to create from ByteBuffer, " + e.getMessage());
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return null;
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}
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}
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/**
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* Creates a WaveData container from the specified stream
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*
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* @param ais AudioInputStream to read from
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* @return WaveData containing data, or null if a failure occured
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*/
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public static WaveData create(AudioInputStream ais) {
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//get format of data
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AudioFormat audioformat = ais.getFormat();
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// get channels
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int channels = 0;
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if (audioformat.getChannels() == 1) {
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if (audioformat.getSampleSizeInBits() == 8) {
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channels = AL10.AL_FORMAT_MONO8;
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} else if (audioformat.getSampleSizeInBits() == 16) {
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channels = AL10.AL_FORMAT_MONO16;
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} else {
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assert false : "Illegal sample size";
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}
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} else if (audioformat.getChannels() == 2) {
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if (audioformat.getSampleSizeInBits() == 8) {
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channels = AL10.AL_FORMAT_STEREO8;
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} else if (audioformat.getSampleSizeInBits() == 16) {
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channels = AL10.AL_FORMAT_STEREO16;
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} else {
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assert false : "Illegal sample size";
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}
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} else {
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assert false : "Only mono or stereo is supported";
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}
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//read data into buffer
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ByteBuffer buffer = null;
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try {
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int available = ais.available();
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if(available <= 0) {
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available = ais.getFormat().getChannels() * (int) ais.getFrameLength() * ais.getFormat().getSampleSizeInBits() / 8;
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}
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byte[] buf = new byte[ais.available()];
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int read = 0, total = 0;
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while ((read = ais.read(buf, total, buf.length - total)) != -1
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&& total < buf.length) {
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total += read;
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}
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buffer = convertAudioBytes(buf, audioformat.getSampleSizeInBits() == 16, audioformat.isBigEndian() ? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN);
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} catch (IOException ioe) {
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return null;
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}
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//create our result
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WaveData wavedata =
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new WaveData(buffer, channels, (int) audioformat.getSampleRate());
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//close stream
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try {
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ais.close();
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} catch (IOException ioe) {
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}
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return wavedata;
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}
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private static ByteBuffer convertAudioBytes(byte[] audio_bytes, boolean two_bytes_data, ByteOrder order) {
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ByteBuffer dest = ByteBuffer.allocateDirect(audio_bytes.length);
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dest.order(ByteOrder.nativeOrder());
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ByteBuffer src = ByteBuffer.wrap(audio_bytes);
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src.order(order);
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if (two_bytes_data) {
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ShortBuffer dest_short = dest.asShortBuffer();
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ShortBuffer src_short = src.asShortBuffer();
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while (src_short.hasRemaining())
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dest_short.put(src_short.get());
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} else {
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while (src.hasRemaining())
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dest.put(src.get());
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}
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dest.rewind();
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return dest;
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}
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}
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