182 lines
5.2 KiB
Java
182 lines
5.2 KiB
Java
/*
|
|
* Copyright (c) 2002 Lightweight Java Game Library Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions 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 'Light Weight Java Game Library' nor the names of
|
|
* its contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
package org.lwjgl.test.openal;
|
|
|
|
import org.lwjgl.openal.AL;
|
|
|
|
import java.nio.ByteBuffer;
|
|
|
|
import javax.sound.sampled.AudioInputStream;
|
|
import javax.sound.sampled.AudioSystem;
|
|
import javax.sound.sampled.*;
|
|
|
|
import java.io.BufferedInputStream;
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.IOException;
|
|
|
|
/**
|
|
* $Id$
|
|
*
|
|
* Utitlity class for loading wavefiles.
|
|
*
|
|
* @author Brian Matzon <brian@matzon.dk>
|
|
* @version $Revision$
|
|
*/
|
|
public class WaveData {
|
|
/** actual wave data */
|
|
public final ByteBuffer data;
|
|
|
|
/** format type of data */
|
|
public final int format;
|
|
|
|
/** sample rate of data */
|
|
public final int samplerate;
|
|
|
|
/**
|
|
* Creates a new WaveData
|
|
*
|
|
* @param data actual wavedata
|
|
* @param format format of wave data
|
|
* @param samplerate sample rate of data
|
|
*/
|
|
private WaveData(ByteBuffer data, int format, int samplerate) {
|
|
this.data = data;
|
|
this.format = format;
|
|
this.samplerate = samplerate;
|
|
}
|
|
|
|
/**
|
|
* Disposes the wavedata
|
|
*/
|
|
public void dispose() {
|
|
data.clear();
|
|
}
|
|
|
|
/**
|
|
* Creates a WaveData container from the specified filename
|
|
*
|
|
* @param filepath path to file (relative, and in classpath)
|
|
* @return WaveData containing data, or null if a failure occured
|
|
*/
|
|
public static WaveData create(String filepath) {
|
|
try {
|
|
return create(
|
|
AudioSystem.getAudioInputStream(
|
|
new BufferedInputStream(WaveData.class.getClassLoader().getResourceAsStream(filepath))));
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a WaveData container from the specified bytes
|
|
*
|
|
* @param buffer array of bytes containing the complete wave file
|
|
* @return WaveData containing data, or null if a failure occured
|
|
*/
|
|
public static WaveData create(byte[] buffer) {
|
|
try {
|
|
return create(
|
|
AudioSystem.getAudioInputStream(
|
|
new BufferedInputStream(new ByteArrayInputStream(buffer))));
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a WaveData container from the specified stream
|
|
*
|
|
* @param ais AudioInputStream to read from
|
|
* @return WaveData containing data, or null if a failure occured
|
|
*/
|
|
public static WaveData create(AudioInputStream ais) {
|
|
//get format of data
|
|
AudioFormat audioformat = ais.getFormat();
|
|
|
|
// get channels
|
|
int channels = 0;
|
|
if (audioformat.getChannels() == 1) {
|
|
if (audioformat.getSampleSizeInBits() == 8) {
|
|
channels = AL.AL_FORMAT_MONO8;
|
|
} else if (audioformat.getSampleSizeInBits() == 16) {
|
|
channels = AL.AL_FORMAT_MONO16;
|
|
} else {
|
|
assert false : "Illegal sample size";
|
|
}
|
|
} else if (audioformat.getChannels() == 2) {
|
|
if (audioformat.getSampleSizeInBits() == 8) {
|
|
channels = AL.AL_FORMAT_STEREO8;
|
|
} else if (audioformat.getSampleSizeInBits() == 16) {
|
|
channels = AL.AL_FORMAT_STEREO16;
|
|
} else {
|
|
assert false : "Illegal sample size";
|
|
}
|
|
} else {
|
|
assert false : "Only mono or stereo is supported";
|
|
}
|
|
|
|
//read data into buffer
|
|
byte[] buf =
|
|
new byte[audioformat.getChannels()
|
|
* (int) ais.getFrameLength()
|
|
* audioformat.getSampleSizeInBits()
|
|
/ 8];
|
|
int read = 0, total = 0;
|
|
try {
|
|
while ((read = ais.read(buf, total, buf.length - total)) != -1
|
|
&& total < buf.length) {
|
|
total += read;
|
|
}
|
|
} catch (IOException ioe) {
|
|
return null;
|
|
}
|
|
|
|
//insert data into bytebuffer
|
|
ByteBuffer buffer = ByteBuffer.allocateDirect(buf.length);
|
|
buffer.put(buf);
|
|
|
|
//create our result
|
|
WaveData wavedata =
|
|
new WaveData(buffer, channels, (int) audioformat.getSampleRate());
|
|
|
|
//close stream
|
|
try {
|
|
ais.close();
|
|
} catch (IOException ioe) {
|
|
}
|
|
|
|
return wavedata;
|
|
}
|
|
} |