mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-03-13 07:06:06 +09:00
added sources for Slick
Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054 Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d
This commit is contained in:
Song Minjae
265
lib/slick-source/org/newdawn/slick/openal/WaveData.java
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265
lib/slick-source/org/newdawn/slick/openal/WaveData.java
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/*
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* Copyright (c) 2002-2004 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.newdawn.slick.openal;
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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.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.AudioInputStream;
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import javax.sound.sampled.AudioSystem;
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import org.lwjgl.openal.AL10;
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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: 2286 $
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* $Id: WaveData.java 2286 2006-03-23 19:32:21Z matzon $
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*/
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public class WaveData {
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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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return create(
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AudioSystem.getAudioInputStream(
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new BufferedInputStream(path.openStream())));
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} catch (Exception e) {
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org.lwjgl.LWJGLUtil.log("Unable to create from: " + path);
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e.printStackTrace();
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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(WaveData.class.getClassLoader().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.log("Unable to create from inputstream");
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e.printStackTrace();
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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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e.printStackTrace();
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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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e.printStackTrace();
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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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throw new RuntimeException("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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throw new RuntimeException("Illegal sample size");
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}
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} else {
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throw new RuntimeException("Only mono or stereo is supported");
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}
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//read data into buffer
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byte[] buf =
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new byte[audioformat.getChannels()
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* (int) ais.getFrameLength()
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* audioformat.getSampleSizeInBits()
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/ 8];
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int read = 0, total = 0;
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try {
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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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} catch (IOException ioe) {
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return null;
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}
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//insert data into bytebuffer
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ByteBuffer buffer = convertAudioBytes(buf, audioformat.getSampleSizeInBits() == 16);
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/* ByteBuffer buffer = ByteBuffer.allocateDirect(buf.length);
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buffer.put(buf);
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buffer.rewind();*/
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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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/**
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* Convert the audio bytes into the stream
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*
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* @param audio_bytes The audio byts
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* @param two_bytes_data True if we using double byte data
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* @return The byte bufer of data
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*/
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private static ByteBuffer convertAudioBytes(byte[] audio_bytes, boolean two_bytes_data) {
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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(ByteOrder.LITTLE_ENDIAN);
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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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