public void dispose() {
if (audio.noDevice) return;
if (bufferID == -1) return;
audio.freeBuffer(bufferID);
alDeleteBuffers(bufferID);
bufferID = -1;
audio.forget(this);
}
public void dispose() {
if (buffers == null) return;
if (sourceID != -1) {
audio.freeSource(sourceID);
sourceID = -1;
}
alDeleteBuffers(buffers);
buffers = null;
}
/**
* Stops and releases all sources, clears each of the specified Audio buffers, destroys the OpenAL
* context, and resets SoundStore for future use.
*
* <p>Calling SoundStore.get().init() will re-initialize the OpenAL context after a call to
* destroyOpenAL (Note: AudioLoader.getXXX calls init for you).
*
* @author davedes (http://slick.ninjacave.com/forum/viewtopic.php?t=3920)
*/
private static void destroyOpenAL() {
if (!trackExists()) return;
stop();
try {
// get Music object's (private) Audio object reference
Field sound = player.getClass().getDeclaredField("sound");
sound.setAccessible(true);
Audio audio = (Audio) (sound.get(player));
// first clear the sources allocated by SoundStore
int max = SoundStore.get().getSourceCount();
IntBuffer buf = BufferUtils.createIntBuffer(max);
for (int i = 0; i < max; i++) {
int source = SoundStore.get().getSource(i);
buf.put(source);
// stop and detach any buffers at this source
AL10.alSourceStop(source);
AL10.alSourcei(source, AL10.AL_BUFFER, 0);
}
buf.flip();
AL10.alDeleteSources(buf);
int exc = AL10.alGetError();
if (exc != AL10.AL_NO_ERROR) {
throw new SlickException("Could not clear SoundStore sources, err: " + exc);
}
// delete any buffer data stored in memory, too...
if (audio != null && audio.getBufferID() != 0) {
buf = BufferUtils.createIntBuffer(1).put(audio.getBufferID());
buf.flip();
AL10.alDeleteBuffers(buf);
exc = AL10.alGetError();
if (exc != AL10.AL_NO_ERROR) {
throw new SlickException(
"Could not clear buffer " + audio.getBufferID() + ", err: " + exc);
}
}
// clear OpenAL
AL.destroy();
// reset SoundStore so that next time we create a Sound/Music, it will reinit
SoundStore.get().clear();
player = null;
} catch (Exception e) {
ErrorHandler.error("Failed to destroy OpenAL.", e, true);
}
}
/**
* void killALData()
*
* <p>We have allocated memory for our buffers and sources which needs to be returned to the
* system. This function frees that memory.
*/
void killALData() {
AL10.alDeleteSources(source);
AL10.alDeleteBuffers(buffer);
}
/** Runs the actual test, using supplied arguments */
protected void execute(String[] args) {
if (args.length < 1) {
System.out.println("no argument supplied, assuming Footsteps.wav");
args = new String[] {"Footsteps.wav"};
}
try {
setDisplayMode();
Display.create();
} catch (Exception e) {
e.printStackTrace();
}
int lastError;
Vector3f sourcePosition = new Vector3f();
Vector3f listenerPosition = new Vector3f();
// initialize keyboard
try {
Keyboard.create();
} catch (Exception e) {
e.printStackTrace();
exit(-1);
}
// create 1 buffer and 1 source
IntBuffer buffers = BufferUtils.createIntBuffer(1);
IntBuffer sources = BufferUtils.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(args[0]);
// 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);
}
AL10.alSourcef(sources.get(0), AL10.AL_REFERENCE_DISTANCE, 1024.0f);
AL10.alSourcef(sources.get(0), AL10.AL_ROLLOFF_FACTOR, 0.5f);
// 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);
}
System.out.println(
"Move source with arrow keys\nMove listener with right shift and arrowkeys\nExit with ESC");
while (!Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) {
Display.update();
Keyboard.poll();
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
if (Keyboard.isKeyDown(Keyboard.KEY_RSHIFT)) {
listenerPosition.x -= MOVEMENT;
AL10.alListener3f(
AL10.AL_POSITION, listenerPosition.x, listenerPosition.y, listenerPosition.z);
System.out.println("listenerx: " + listenerPosition.x);
} else {
sourcePosition.x -= MOVEMENT;
AL10.alSource3f(
sources.get(0),
AL10.AL_POSITION,
sourcePosition.x,
sourcePosition.y,
sourcePosition.z);
System.out.println("sourcex: " + sourcePosition.x);
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
if (Keyboard.isKeyDown(Keyboard.KEY_RSHIFT)) {
listenerPosition.x += MOVEMENT;
AL10.alListener3f(
AL10.AL_POSITION, listenerPosition.x, listenerPosition.y, listenerPosition.z);
System.out.println("listenerx: " + listenerPosition.x);
} else {
sourcePosition.x += MOVEMENT;
AL10.alSource3f(
sources.get(0),
AL10.AL_POSITION,
sourcePosition.x,
sourcePosition.y,
sourcePosition.z);
System.out.println("sourcex: " + sourcePosition.x);
}
}
if (Display.isCloseRequested()) {
break;
}
try {
Thread.sleep(100);
} catch (InterruptedException inte) {
}
}
// 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);
}
// shutdown
alExit();
}
public void finalize() {
AL10.alDeleteSources(this.src);
AL10.alDeleteBuffers(this.buf);
}