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/*
* Copyright (c) 2002-2004 LWJGL 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 'LWJGL' 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
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.test.openal;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.openal.AL10;
import org.lwjgl.util.WaveData;
/**
*
* Simple test for stresstesting OpenAL playing random samples ad nausea
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 2286 $
* $Id: StressTest.java 2286 2006-03-23 19:32:21Z matzon $
*/
public class StressTest extends BasicTest {
/** Buffer containing sources */
private IntBuffer sources;
/** Buffer containing buffers */
private IntBuffer buffers;
/**
* Creates an instance of StressTest
*/
public StressTest() {
super();
}
/**
* Runs the actual test, using supplied arguments
*/
protected void execute(String[] args) {
createSources();
createBuffers();
try {
loadSamples();
runTest();
} catch (Exception e) {
e.printStackTrace();
}
alExit();
}
private void createSources() {
sources = BufferUtils.createIntBuffer(4);
sources.position(0).limit(4);
AL10.alGenSources(sources);
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
System.out.println("Unable to create 4 sources");
alExit();
}
}
private void createBuffers() {
buffers = BufferUtils.createIntBuffer(10);
buffers.position(0).limit(10);
AL10.alGenBuffers(buffers);
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
System.out.println("Unable to create 10 buffers");
sources.position(0).limit(4);
AL10.alDeleteSources(sources);
alExit();
}
}
private void loadSamples() throws Exception {
AL10.alGetError();
WaveData data = WaveData.create("ding.wav");
for (int i = 1; i <= 10; i++) {
AL10.alBufferData(
buffers.get(i - 1),
data.format,
data.data,
data.samplerate);
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
System.out.println("Failed to load " + i + ".wav into buffer");
sources.position(0).limit(4);
AL10.alDeleteSources(sources);
buffers.position(0).limit(10);
AL10.alDeleteBuffers(buffers);
alExit();
}
}
data.dispose();
}
public void runTest() {
int iterations = 0;
int randomBuffer;
int startSlot = 1;
int nextSlot = startSlot;
long startTime = System.currentTimeMillis();
//mark background source as looping
AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_TRUE);
//play background
AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0));
AL10.alSourcePlay(sources.get(0));
while (System.currentTimeMillis() - startTime < (2000)) {
randomBuffer = getRandomBuffer();
System.out.println("random:" + randomBuffer);
//stop source at slot
AL10.alSourceStop(sources.get(nextSlot));
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
System.out.println("Error stopping source.");
}
System.out.println("Stopped source: " + nextSlot);
//link source<->buffer
AL10.alSourcei(sources.get(nextSlot), AL10.AL_BUFFER, buffers.get(randomBuffer));
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
System.out.println("Error linking buffer and source.");
}
System.out.println("linked source " + nextSlot + " with buffer " + randomBuffer);
//start playing
System.out.println("playing source " + nextSlot);
AL10.alSourcePlay(sources.get(nextSlot++));
if (nextSlot == 4) {
nextSlot = startSlot;
}
//pause
try {
Thread.sleep(500);
} catch (InterruptedException inte) {
}
//debug info
if ((++iterations % 10) == 0) {
System.out.println("========================");
System.out.println("MaxMemory: " + Runtime.getRuntime().maxMemory() / 1024);
System.out.println("FreeMemory: " + Runtime.getRuntime().freeMemory() / 1024);
System.out.println("TotalMemory: " + Runtime.getRuntime().totalMemory() / 1024);
System.out.println("========================");
}
}
//stop all sources
for (int i = 0; i < 4; i++) {
AL10.alSourceStop(sources.get(i));
System.out.println("Stopping source " + (i+1));
}
//test done - ask for user input
try {
System.out.println("Test completed");
System.out.println("========================");
System.out.println("MaxMemory: " + Runtime.getRuntime().maxMemory() / 1024);
System.out.println("FreeMemory: " + Runtime.getRuntime().freeMemory() / 1024);
System.out.println("TotalMemory: " + Runtime.getRuntime().totalMemory() / 1024);
System.out.println("========================");
System.out.println("Push any key to exit...");
System.in.read();
} catch (Exception e) {
}
sources.position(0).limit(4);
AL10.alDeleteSources(sources);
buffers.position(0).limit(10);
AL10.alDeleteBuffers(buffers);
}
private int getRandomBuffer() {
return (int) (Math.random() * 10.0);
}
/**
* main entry point
*
* @param args String array containing arguments
*/
public static void main(String[] args) {
StressTest stressTest = new StressTest();
stressTest.execute(args);
System.exit(0);
}
}
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