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* Copyright (c) 2002-2008 LWJGL Project
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package org.lwjgl.test.openal;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.IntBuffer;
import org.lwjgl.openal.AL;
import org.lwjgl.openal.AL10;
import org.lwjgl.util.WaveData;
/**
* <br>
* Performs a creation test, by creating and destroying OpenAL twice.
* We cannot inherit from BasicTest since it follows another structure.
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 2983 $
* $Id: OpenALCreationTest.java 2983 2008-04-07 18:36:09Z matzon $
*/
public class OpenALCreationTest {
/**
* Creates an instance of OpenALCreationTest
*/
public OpenALCreationTest() {
}
public void alInitialize() {
try {
AL.create();
} catch (Exception e) {
e.printStackTrace();
return;
}
}
public void alExit() {
AL.destroy();
}
/**
* Creates an integer buffer to hold specified ints
* - strictly a utility method
*
* @param size how many int to contain
* @return created IntBuffer
*/
protected IntBuffer createIntBuffer(int size) {
ByteBuffer temp = ByteBuffer.allocateDirect(4 * size);
temp.order(ByteOrder.nativeOrder());
return temp.asIntBuffer();
}
/**
* Exits the test NOW, printing errorcode to stdout
*
* @param error Error code causing exit
*/
protected void exit(int error) {
System.out.println("OpenAL Error: " + AL10.alGetString(error));
alExit();
System.exit(-1);
}
/**
* Runs the actual test, using supplied arguments
*/
protected void execute(String[] args) {
int lastError;
//initialize AL, using ALC
System.out.print("initialize...");
alInitialize();
System.out.println("success");
//do some audio
executeAudioTest();
//shutdown
System.out.print("shutdown...");
alExit();
System.out.println("success");
//initialize AL, using ALC
System.out.print("initialize...");
alInitialize();
System.out.println("success");
//do some audio
executeAudioTest();
//shutdown
System.out.print("shutdown...");
alExit();
System.out.println("success");
}
/**
* Executes the audio test, which just plays some sound
*/
private void executeAudioTest() {
int lastError;
//create 1 buffer and 1 source
IntBuffer buffers = createIntBuffer(1);
IntBuffer sources = createIntBuffer(1);
// al generate buffers and sources
buffers.position(0).limit(1);
AL10.alGenBuffers(buffers);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
sources.position(0).limit(1);
AL10.alGenSources(sources);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//load wave data
WaveData wavefile = WaveData.create("Footsteps.wav");
//copy to buffers
AL10.alBufferData(
buffers.get(0),
wavefile.format,
wavefile.data,
wavefile.samplerate);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//unload file again
wavefile.dispose();
//set up source input
AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//lets loop the sound
AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_TRUE);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//play source 0
AL10.alSourcePlay(sources.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//wait 5 secs
try {
System.out.print("Playing 'Footsteps.wav' for 2 seconds...");
Thread.sleep(2000);
} catch (InterruptedException inte) {
}
System.out.println("done");
//stop source 0
AL10.alSourceStop(sources.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//delete buffers and sources
sources.position(0).limit(1);
AL10.alDeleteSources(sources);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
buffers.position(0).limit(1);
AL10.alDeleteBuffers(buffers);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
}
/**
* main entry point
*
* @param args String array containing arguments
*/
public static void main(String[] args) {
OpenALCreationTest oalCreationTest = new OpenALCreationTest();
oalCreationTest.execute(args);
System.exit(0);
}
}