/** Blocks until some of the data could be buffered. */
private int fillBuffer(byte[] data, int offset, int length) {
int written = Math.min(bufferSize, length);
outer:
while (true) {
int buffers = alGetSourcei(sourceID, AL_BUFFERS_PROCESSED);
while (buffers-- > 0) {
int bufferID = alSourceUnqueueBuffers(sourceID);
if (bufferID == AL_INVALID_VALUE) break;
renderedSeconds += secondsPerBuffer;
tempBuffer.clear();
tempBuffer.put(data, offset, written).flip();
alBufferData(bufferID, format, tempBuffer, sampleRate);
alSourceQueueBuffers(sourceID, bufferID);
break outer;
}
// Wait for buffer to be free.
try {
Thread.sleep((long) (1000 * secondsPerBuffer / bufferCount));
} catch (InterruptedException ignored) {
}
}
// A buffer underflow will cause the source to stop.
if (!isPlaying || alGetSourcei(sourceID, AL_SOURCE_STATE) != AL_PLAYING) {
alSourcePlay(sourceID);
isPlaying = true;
}
return written;
}
public void writeSamples(byte[] data, int offset, int length) {
if (length < 0) throw new IllegalArgumentException("length cannot be < 0.");
if (sourceID == -1) {
sourceID = audio.obtainSource(true);
if (sourceID == -1) return;
if (buffers == null) {
buffers = BufferUtils.createIntBuffer(bufferCount);
alGenBuffers(buffers);
if (alGetError() != AL_NO_ERROR)
throw new GdxRuntimeException("Unabe to allocate audio buffers.");
}
alSourcei(sourceID, AL_LOOPING, AL_FALSE);
alSourcef(sourceID, AL_GAIN, volume);
// Fill initial buffers.
int queuedBuffers = 0;
for (int i = 0; i < bufferCount; i++) {
int bufferID = buffers.get(i);
int written = Math.min(bufferSize, length);
tempBuffer.clear();
tempBuffer.put(data, offset, written).flip();
alBufferData(bufferID, format, tempBuffer, sampleRate);
alSourceQueueBuffers(sourceID, bufferID);
length -= written;
offset += written;
queuedBuffers++;
}
// Queue rest of buffers, empty.
tempBuffer.clear().flip();
for (int i = queuedBuffers; i < bufferCount; i++) {
int bufferID = buffers.get(i);
alBufferData(bufferID, format, tempBuffer, sampleRate);
alSourceQueueBuffers(sourceID, bufferID);
}
alSourcePlay(sourceID);
isPlaying = true;
}
while (length > 0) {
int written = fillBuffer(data, offset, length);
length -= written;
offset += written;
}
}
/**
* Get the Sound based on a specified OGG file
*
* @param ref The reference to the OGG file in the classpath
* @param in The stream to the OGG to load
* @return The Sound read from the OGG file
* @throws IOException Indicates a failure to load the OGG
*/
public Audio getOgg(String ref, InputStream in) throws IOException {
if (!soundWorks) {
return new NullAudio();
}
if (!inited) {
throw new RuntimeException(
"Can't load sounds until SoundStore is init(). Use the container init() method.");
}
if (deferred) {
return new DeferredSound(ref, in, DeferredSound.OGG);
}
int buffer = -1;
if (loaded.get(ref) != null) {
buffer = ((Integer) loaded.get(ref)).intValue();
} else {
try {
IntBuffer buf = BufferUtils.createIntBuffer(1);
OggDecoder decoder = new OggDecoder();
OggData ogg = decoder.getData(in);
AL10.alGenBuffers(buf);
AL10.alBufferData(
buf.get(0),
ogg.channels > 1 ? AL10.AL_FORMAT_STEREO16 : AL10.AL_FORMAT_MONO16,
ogg.data,
ogg.rate);
loaded.put(ref, new Integer(buf.get(0)));
buffer = buf.get(0);
} catch (Exception e) {
Log.error(e);
Log.info("Failed to load: " + ref + " - " + e.getMessage());
throw new IOException("Unable to load: " + ref);
}
}
if (buffer == -1) {
throw new IOException("Unable to load: " + ref);
}
return new AudioImpl(this, buffer);
}
/**
* Get the Sound based on a specified AIF file
*
* @param ref The reference to the AIF file in the classpath
* @param in The stream to the AIF to load
* @return The Sound read from the AIF file
* @throws IOException Indicates a failure to load the AIF
*/
public Audio getAIF(String ref, InputStream in) throws IOException {
in = new BufferedInputStream(in);
if (!soundWorks) {
return new NullAudio();
}
if (!inited) {
throw new RuntimeException(
"Can't load sounds until SoundStore is init(). Use the container init() method.");
}
if (deferred) {
return new DeferredSound(ref, in, DeferredSound.AIF);
}
int buffer = -1;
if (loaded.get(ref) != null) {
buffer = ((Integer) loaded.get(ref)).intValue();
} else {
try {
IntBuffer buf = BufferUtils.createIntBuffer(1);
AiffData data = AiffData.create(in);
AL10.alGenBuffers(buf);
AL10.alBufferData(buf.get(0), data.format, data.data, data.samplerate);
loaded.put(ref, new Integer(buf.get(0)));
buffer = buf.get(0);
} catch (Exception e) {
Log.error(e);
IOException x = new IOException("Failed to load: " + ref);
x.initCause(e);
throw x;
}
}
if (buffer == -1) {
throw new IOException("Unable to load: " + ref);
}
return new AudioImpl(this, buffer);
}
void setup(byte[] pcm, int channels, int sampleRate) {
int bytes = pcm.length - (pcm.length % (channels > 1 ? 4 : 2));
int samples = bytes / (2 * channels);
duration = samples / (float) sampleRate;
ByteBuffer buffer = ByteBuffer.allocateDirect(bytes);
buffer.order(ByteOrder.nativeOrder());
buffer.put(pcm, 0, bytes);
buffer.flip();
if (bufferID == -1) {
bufferID = alGenBuffers();
alBufferData(
bufferID,
channels > 1 ? AL_FORMAT_STEREO16 : AL_FORMAT_MONO16,
buffer.asShortBuffer(),
sampleRate);
}
}
/**
* boolean LoadALData()
*
* <p>This function will load our sample data from the disk using the Alut utility and send the
* data into OpenAL as a buffer. A source is then also created to play that buffer.
*/
int loadALData() {
// Load wav data into a buffer.
AL10.alGenBuffers(buffer);
if (AL10.alGetError() != AL10.AL_NO_ERROR) return AL10.AL_FALSE;
// Loads the wave file from your file system
/*java.io.FileInputStream fin = null;
try {
fin = new java.io.FileInputStream("FancyPants.wav");
} catch (java.io.FileNotFoundException ex) {
ex.printStackTrace();
return AL10.AL_FALSE;
}
WaveData waveFile = WaveData.create(fin);
try {
fin.close();
} catch (java.io.IOException ex) {
}*/
// Loads the wave file from this class's package in your classpath
WaveData waveFile = WaveData.create("FancyPants.wav");
AL10.alBufferData(buffer.get(0), waveFile.format, waveFile.data, waveFile.samplerate);
waveFile.dispose();
// Bind the buffer with the source.
AL10.alGenSources(source);
if (AL10.alGetError() != AL10.AL_NO_ERROR) return AL10.AL_FALSE;
AL10.alSourcei(source.get(0), AL10.AL_BUFFER, buffer.get(0));
AL10.alSourcef(source.get(0), AL10.AL_PITCH, 1.0f);
AL10.alSourcef(source.get(0), AL10.AL_GAIN, 1.0f);
AL10.alSource(source.get(0), AL10.AL_POSITION, sourcePos);
AL10.alSource(source.get(0), AL10.AL_VELOCITY, sourceVel);
// Do another error check and return.
if (AL10.alGetError() == AL10.AL_NO_ERROR) return AL10.AL_TRUE;
return AL10.AL_FALSE;
}
/** 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 Sound(String filename, int type, boolean loop, float volume, float pitch) {
String[] split = filename.split("/");
System.out.println("loading " + split[split.length - 1]);
try {
AL10.alGetError();
} catch (UnsatisfiedLinkError e) {
Logger.info("Seems no AL sound device has been created... creating now", "Utility.loadWav");
try {
AL.create();
} catch (LWJGLException e1) {
Logger.log(e1, "Utility.loadWav", "Unable to create AL sound device");
return;
}
}
this.buf = AL10.alGenBuffers();
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
Logger.error(Utility.getALErrorString(AL10.alGetError()), "Sound.Sound");
}
if (filename.endsWith(".wav")) {
try {
WaveData waveFile = WaveData.create(new BufferedInputStream(new FileInputStream(filename)));
System.out.println(waveFile == null);
AL10.alBufferData(this.buf, waveFile.format, waveFile.data, waveFile.samplerate);
waveFile.dispose();
} catch (FileNotFoundException e) {
Logger.log(e, "Sound.Sound");
return;
}
} else if (filename.endsWith(".ogg") || filename.endsWith(".vorbis")) {
try {
OggDecoder oggDecoder = new OggDecoder();
OggData oggData =
oggDecoder.getData(new BufferedInputStream(new FileInputStream(filename)));
AL10.alBufferData(
this.buf,
oggData.channels > 1 ? AL10.AL_FORMAT_STEREO16 : AL10.AL_FORMAT_MONO16,
oggData.data,
oggData.rate);
} catch (FileNotFoundException e) {
Logger.log(e, "Sound.Sound");
return;
} catch (IOException e) {
Logger.log(e, "Sound.Sound");
return;
}
}
this.src = AL10.alGenSources();
if (AL10.alGetError() != AL10.AL_NO_ERROR) {
Logger.error(Utility.getALErrorString(AL10.alGetError()), "Utility.loadWav");
return;
}
AL10.alSourcei(this.src, AL10.AL_BUFFER, this.buf);
AL10.alSourcef(this.src, AL10.AL_PITCH, pitch);
AL10.alSourcef(this.src, AL10.AL_GAIN, volume);
FloatBuffer sourcePos =
(FloatBuffer) BufferUtils.createFloatBuffer(3).put(new float[] {0.0f, 0.0f, 0.0f}).rewind();
FloatBuffer sourceVel =
(FloatBuffer) BufferUtils.createFloatBuffer(3).put(new float[] {0.0f, 0.0f, 0.0f}).rewind();
AL10.alSource(this.src, AL10.AL_POSITION, sourcePos);
AL10.alSource(this.src, AL10.AL_VELOCITY, sourceVel);
this.type = type;
this.setLoop(loop);
this.setPitch(pitch);
this.setVolume(volume);
Globals.addVolumeChangedListener(this);
}
