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package org.lwjgl.test.openal;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.openal.AL;
import org.lwjgl.openal.AL10;
import org.lwjgl.openal.ALC10;
import org.lwjgl.openal.ALC11;
import org.lwjgl.openal.ALCdevice;
import org.lwjgl.openal.OpenALException;
/**
*
* This is a test for the ALC part of OpenAL
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 2286 $
* $Id: ALCTest.java 2286 2006-03-23 19:32:21Z matzon $
*/
public class ALCCaptureTest extends BasicTest {
/**
* Creates an instance of ALCTest
*/
public ALCCaptureTest() {
super();
}
/**
* Runs the actual test, using supplied arguments
*/
protected void execute(String[] args) {
int lastError = ALC10.ALC_NO_ERROR;
IntBuffer sampleCount = BufferUtils.createIntBuffer(1);
int state = AL10.AL_PLAYING;
int FMT = AL10.AL_FORMAT_MONO16;
int FMTSIZE = 16/8;
int FREQ = 44100;
int TIME = 5;
int SAMPS = (FREQ * TIME);
ByteBuffer buf = BufferUtils.createByteBuffer(SAMPS * FMTSIZE);
// check that capture is available
if(!ALC10.alcIsExtensionPresent(AL.getDevice(), "ALC_EXT_CAPTURE")) {
throw new OpenALException("ALC_EXT_CAPTURE extension not available");
}
// get list of devices
String[] captureDevices = ALC10.alcGetString(null, ALC11.ALC_CAPTURE_DEVICE_SPECIFIER).split("\0");
System.out.println("Available Capture Devices: ");
for(int i=0; i<captureDevices.length; i++) {
System.out.println(i + ": " + captureDevices[i]);
}
String defaultRecorder = ALC10.alcGetString(AL.getDevice(), ALC11.ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
System.out.println("Default capture device: " + defaultRecorder);
ALCdevice device = ALC11.alcCaptureOpenDevice(null, FREQ, FMT, SAMPS);
if(device != null) {
// record some sound
// =====================================
System.out.print("Recording using " + ALC10.alcGetString(device, ALC11.ALC_CAPTURE_DEVICE_SPECIFIER) + "...");
ALC11.alcCaptureStart(device);
while (sampleCount.get(0) < SAMPS) {
pause(1000);
ALC10.alcGetInteger(device, ALC11.ALC_CAPTURE_SAMPLES, sampleCount);
}
System.out.println("done");
ALC11.alcCaptureStop(device);
// capure the samples
ALC11.alcCaptureSamples(device, buf, SAMPS);
ALC11.alcCaptureCloseDevice(device);
// -------------------------------------
// play back recording
// ===================
IntBuffer buffers = BufferUtils.createIntBuffer(1);
IntBuffer sources = BufferUtils.createIntBuffer(1);
buffers.position(0).limit(1);
AL10.alGenBuffers(buffers);
sources.position(0).limit(1);
AL10.alGenSources(sources);
System.out.print("Playing...");
AL10.alBufferData(buffers.get(0), FMT, buf, FREQ);
AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0));
AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_FALSE);
AL10.alSourcePlay(sources.get(0));
while (state == AL10.AL_PLAYING)
{
pause(100);
state = AL10.alGetSourcei(sources.get(0), AL10.AL_SOURCE_STATE);
}
System.out.println("done");
AL10.alDeleteSources(sources);
AL10.alDeleteBuffers(buffers);
}
alExit();
}
/**
* main entry point
*
* @param args String array containing arguments
*/
public static void main(String[] args) {
ALCCaptureTest alcTest = new ALCCaptureTest();
alcTest.execute(args);
System.exit(0);
}
}