A complete 3D game development suite written purely in Java.
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jmonkeyengine/jme3-jogl/src/main/java/com/jme3/audio/joal/JoalAudioRenderer.java

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40 KiB

/*
* Copyright (c) 2009-2012 jMonkeyEngine
* 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 'jMonkeyEngine' 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
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.audio.joal;
import com.jme3.audio.AudioSource.Status;
import com.jme3.audio.*;
import com.jme3.math.Vector3f;
import com.jme3.util.BufferUtils;
import com.jme3.util.NativeObjectManager;
import com.jogamp.common.nio.Buffers;
import com.jogamp.openal.*;
import com.jogamp.openal.util.ALut;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import java.util.logging.Logger;
public class JoalAudioRenderer implements AudioRenderer, Runnable {
private static final Logger logger = Logger.getLogger(JoalAudioRenderer.class.getName());
private final NativeObjectManager objManager = new NativeObjectManager();
// When multiplied by STREAMING_BUFFER_COUNT, will equal 44100 * 2 * 2
// which is exactly 1 second of audio.
private static final int BUFFER_SIZE = 35280;
private static final int STREAMING_BUFFER_COUNT = 5;
private final static int MAX_NUM_CHANNELS = 64;
private IntBuffer ib = BufferUtils.createIntBuffer(1);
private final FloatBuffer fb = BufferUtils.createVector3Buffer(2);
private final ByteBuffer nativeBuf = BufferUtils.createByteBuffer(BUFFER_SIZE);
private final byte[] arrayBuf = new byte[BUFFER_SIZE];
private int[] channels;
private AudioSource[] chanSrcs;
private int nextChan = 0;
private ArrayList<Integer> freeChans = new ArrayList<Integer>();
private Listener listener;
private boolean audioDisabled = false;
private boolean supportEfx = false;
private int auxSends = 0;
private int reverbFx = -1;
private int reverbFxSlot = -1;
// Update audio 20 times per second
private static final float UPDATE_RATE = 0.05f;
private final Thread audioThread = new Thread(this, "jME3 Audio Thread");
private final AtomicBoolean threadLock = new AtomicBoolean(false);
private ALC alc;
private AL al;
private ALExt alExt;
static {
ALut.alutInit();
}
public JoalAudioRenderer() {
}
public void initialize() {
if (!audioThread.isAlive()) {
audioThread.setDaemon(true);
audioThread.setPriority(Thread.NORM_PRIORITY + 1);
audioThread.start();
} else {
throw new IllegalStateException("Initialize already called");
}
}
private void checkDead() {
if (audioThread.getState() == Thread.State.TERMINATED) {
throw new IllegalStateException("Audio thread is terminated");
}
}
public void run() {
initInThread();
synchronized (threadLock) {
threadLock.set(true);
threadLock.notifyAll();
}
long updateRateNanos = (long) (UPDATE_RATE * 1000000000);
mainloop:
while (true) {
long startTime = System.nanoTime();
if (Thread.interrupted()) {
break;
}
synchronized (threadLock) {
updateInThread(UPDATE_RATE);
}
long endTime = System.nanoTime();
long diffTime = endTime - startTime;
if (diffTime < updateRateNanos) {
long desiredEndTime = startTime + updateRateNanos;
while (System.nanoTime() < desiredEndTime) {
try {
Thread.sleep(1);
} catch (InterruptedException ex) {
break mainloop;
}
}
}
}
synchronized (threadLock) {
cleanupInThread();
}
}
public void initInThread() {
try {
alc = ALFactory.getALC();
al = ALFactory.getAL();
alExt = ALFactory.getALExt();
// Get handle to default device.
ALCdevice device = alc.alcOpenDevice(null);
if (device == null) {
throw new ALException("Error opening default OpenAL device");
}
// Get the device specifier.
String deviceName = alc.alcGetString(device, ALC.ALC_DEVICE_SPECIFIER);
if (deviceName == null) {
throw new ALException("Error getting specifier for default OpenAL device");
}
logger.log(Level.FINER, "Audio Device: {0}", deviceName);
logger.log(Level.FINER, "Audio Vendor: {0}", al.alGetString(ALConstants.AL_VENDOR));
logger.log(Level.FINER, "Audio Renderer: {0}", al.alGetString(ALConstants.AL_RENDERER));
logger.log(Level.FINER, "Audio Version: {0}", al.alGetString(ALConstants.AL_VERSION));
// Create audio context.
ALCcontext context = alc.alcCreateContext(device, null);
if (context == null) {
throw new ALException("Error creating OpenAL context");
}
// Set active context.
alc.alcMakeContextCurrent(context);
// Check for an error.
if (alc.alcGetError(device) != ALC.ALC_NO_ERROR) {
throw new ALException("Error making OpenAL context current");
}
// Find maximum # of sources supported by this implementation
ArrayList<Integer> channelList = new ArrayList<Integer>();
IntBuffer channelsNioBuffer = Buffers.newDirectIntBuffer(MAX_NUM_CHANNELS);
al.alGenSources(MAX_NUM_CHANNELS, channelsNioBuffer);
for (int i = 0; i < MAX_NUM_CHANNELS; i++) {
int chan = channelsNioBuffer.get(i);
if (chan != 0) {
channelList.add(chan);
}
}
channels = new int[channelList.size()];
for (int i = 0; i < channels.length; i++) {
channels[i] = channelList.get(i);
}
ib = BufferUtils.createIntBuffer(channels.length);
chanSrcs = new AudioSource[channels.length];
logger.log(Level.FINE, "AudioRenderer supports {0} channels", channels.length);
supportEfx = false;//FIXME update JOAL with EFX support
//supportEfx = alc.alcIsExtensionPresent(device, "ALC_EXT_EFX");
if (supportEfx) {
ib.position(0).limit(1);
alc.alcGetIntegerv(device, ALExtConstants.ALC_EFX_MAJOR_VERSION, 1, ib);
int major = ib.get(0);
ib.position(0).limit(1);
alc.alcGetIntegerv(device, ALExtConstants.ALC_EFX_MINOR_VERSION, 1, ib);
int minor = ib.get(0);
logger.log(Level.FINE, "Audio effect extension version: {0}.{1}", new Object[]{major, minor});
alc.alcGetIntegerv(device, ALExtConstants.ALC_MAX_AUXILIARY_SENDS, 1, ib);
auxSends = ib.get(0);
logger.log(Level.FINE, "Audio max auxilary sends: {0}", auxSends);
// create slot
ib.position(0).limit(1);
alExt.alGenAuxiliaryEffectSlots(1, ib);
reverbFxSlot = ib.get(0);
// create effect
ib.position(0).limit(1);
alExt.alGenEffects(1, ib);
reverbFx = ib.get(0);
alExt.alEffecti(reverbFx, ALExtConstants.AL_EFFECT_TYPE, ALExtConstants.AL_EFFECT_REVERB);
// attach reverb effect to effect slot
alExt.alAuxiliaryEffectSloti(reverbFxSlot, ALExtConstants.AL_EFFECTSLOT_EFFECT, reverbFx);
} else {
logger.log(Level.WARNING, "OpenAL EFX not available! Audio effects won't work.");
}
} catch (ALException ex) {
logger.log(Level.SEVERE, "Failed to load audio library", ex);
audioDisabled = true;
} catch (UnsatisfiedLinkError ex) {
logger.log(Level.SEVERE, "Failed to load audio library", ex);
audioDisabled = true;
}
}
public void cleanupInThread() {
if (audioDisabled) {
//FIXME
//AL.destroy();
return;
}
// stop any playing channels
for (int i = 0; i < chanSrcs.length; i++) {
if (chanSrcs[i] != null) {
clearChannel(i);
}
}
// delete channel-based sources
ib.clear();
ib.put(channels);
ib.flip();
al.alDeleteSources(ib.limit(), ib);
// delete audio buffers and filters
objManager.deleteAllObjects(this);
if (supportEfx) {
ib.position(0).limit(1);
ib.put(0, reverbFx);
alExt.alDeleteEffects(1, ib);
// If this is not allocated, why is it deleted?
// Commented out to fix native crash in OpenAL.
ib.position(0).limit(1);
ib.put(0, reverbFxSlot);
alExt.alDeleteAuxiliaryEffectSlots(1, ib);
}
//FIXME
//AL.destroy();
}
public void cleanup() {
// kill audio thread
if (audioThread.isAlive()) {
audioThread.interrupt();
}
}
private void updateFilter(Filter f) {
int id = f.getId();
if (id == -1) {
ib.position(0).limit(1);
alExt.alGenFilters(1, ib);
id = ib.get(0);
f.setId(id);
objManager.registerObject(f);
}
if (f instanceof LowPassFilter) {
LowPassFilter lpf = (LowPassFilter) f;
alExt.alFilteri(id, ALExtConstants.AL_FILTER_TYPE, ALExtConstants.AL_FILTER_LOWPASS);
alExt.alFilterf(id, ALExtConstants.AL_LOWPASS_GAIN, lpf.getVolume());
alExt.alFilterf(id, ALExtConstants.AL_LOWPASS_GAINHF, lpf.getHighFreqVolume());
} else {
throw new UnsupportedOperationException("Filter type unsupported: "
+ f.getClass().getName());
}
f.clearUpdateNeeded();
}
public void updateSourceParam(AudioSource src, AudioParam param) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
// There is a race condition in AudioSource that can
// cause this to be called for a node that has been
// detached from its channel. For example, setVolume()
// called from the render thread may see that that AudioSource
// still has a channel value but the audio thread may
// clear that channel before setVolume() gets to call
// updateSourceParam() (because the audio stopped playing
// on its own right as the volume was set). In this case,
// it should be safe to just ignore the update
if (src.getChannel() < 0) {
return;
}
assert src.getChannel() >= 0;
int id = channels[src.getChannel()];
switch (param) {
case Position:
if (!src.isPositional()) {
return;
}
Vector3f pos = src.getPosition();
al.alSource3f(id, ALConstants.AL_POSITION, pos.x, pos.y, pos.z);
break;
case Velocity:
if (!src.isPositional()) {
return;
}
Vector3f vel = src.getVelocity();
al.alSource3f(id, ALConstants.AL_VELOCITY, vel.x, vel.y, vel.z);
break;
case MaxDistance:
if (!src.isPositional()) {
return;
}
al.alSourcef(id, ALConstants.AL_MAX_DISTANCE, src.getMaxDistance());
break;
case RefDistance:
if (!src.isPositional()) {
return;
}
al.alSourcef(id, ALConstants.AL_REFERENCE_DISTANCE, src.getRefDistance());
break;
case ReverbFilter:
if (!supportEfx || !src.isPositional() || !src.isReverbEnabled()) {
return;
}
int filter = ALExtConstants.AL_FILTER_NULL;
if (src.getReverbFilter() != null) {
Filter f = src.getReverbFilter();
if (f.isUpdateNeeded()) {
updateFilter(f);
}
filter = f.getId();
}
al.alSource3i(id, ALExtConstants.AL_AUXILIARY_SEND_FILTER, reverbFxSlot, 0, filter);
break;
case ReverbEnabled:
if (!supportEfx || !src.isPositional()) {
return;
}
if (src.isReverbEnabled()) {
updateSourceParam(src, AudioParam.ReverbFilter);
} else {
al.alSource3i(id, ALExtConstants.AL_AUXILIARY_SEND_FILTER, 0, 0, ALExtConstants.AL_FILTER_NULL);
}
break;
case IsPositional:
if (!src.isPositional()) {
// Play in headspace
al.alSourcei(id, ALConstants.AL_SOURCE_RELATIVE, ALConstants.AL_TRUE);
al.alSource3f(id, ALConstants.AL_POSITION, 0, 0, 0);
al.alSource3f(id, ALConstants.AL_VELOCITY, 0, 0, 0);
// Disable reverb
al.alSource3i(id, ALExtConstants.AL_AUXILIARY_SEND_FILTER, 0, 0, ALExtConstants.AL_FILTER_NULL);
} else {
al.alSourcei(id, ALConstants.AL_SOURCE_RELATIVE, ALConstants.AL_FALSE);
updateSourceParam(src, AudioParam.Position);
updateSourceParam(src, AudioParam.Velocity);
updateSourceParam(src, AudioParam.MaxDistance);
updateSourceParam(src, AudioParam.RefDistance);
updateSourceParam(src, AudioParam.ReverbEnabled);
}
break;
case Direction:
if (!src.isDirectional()) {
return;
}
Vector3f dir = src.getDirection();
al.alSource3f(id, ALConstants.AL_DIRECTION, dir.x, dir.y, dir.z);
break;
case InnerAngle:
if (!src.isDirectional()) {
return;
}
al.alSourcef(id, ALConstants.AL_CONE_INNER_ANGLE, src.getInnerAngle());
break;
case OuterAngle:
if (!src.isDirectional()) {
return;
}
al.alSourcef(id, ALConstants.AL_CONE_OUTER_ANGLE, src.getOuterAngle());
break;
case IsDirectional:
if (src.isDirectional()) {
updateSourceParam(src, AudioParam.Direction);
updateSourceParam(src, AudioParam.InnerAngle);
updateSourceParam(src, AudioParam.OuterAngle);
al.alSourcef(id, ALConstants.AL_CONE_OUTER_GAIN, 0);
} else {
al.alSourcef(id, ALConstants.AL_CONE_INNER_ANGLE, 360);
al.alSourcef(id, ALConstants.AL_CONE_OUTER_ANGLE, 360);
al.alSourcef(id, ALConstants.AL_CONE_OUTER_GAIN, 1f);
}
break;
case DryFilter:
if (!supportEfx) {
return;
}
if (src.getDryFilter() != null) {
Filter f = src.getDryFilter();
if (f.isUpdateNeeded()) {
updateFilter(f);
// NOTE: must re-attach filter for changes to apply.
al.alSourcei(id, ALExtConstants.AL_DIRECT_FILTER, f.getId());
}
} else {
al.alSourcei(id, ALExtConstants.AL_DIRECT_FILTER, ALExtConstants.AL_FILTER_NULL);
}
break;
case Looping:
if (src.isLooping()) {
if (!(src.getAudioData() instanceof AudioStream)) {
al.alSourcei(id, ALConstants.AL_LOOPING, ALConstants.AL_TRUE);
}
} else {
al.alSourcei(id, ALConstants.AL_LOOPING, ALConstants.AL_FALSE);
}
break;
case Volume:
al.alSourcef(id, ALConstants.AL_GAIN, src.getVolume());
break;
case Pitch:
al.alSourcef(id, ALConstants.AL_PITCH, src.getPitch());
break;
}
}
}
private void setSourceParams(int id, AudioSource src, boolean forceNonLoop) {
if (src.isPositional()) {
Vector3f pos = src.getPosition();
Vector3f vel = src.getVelocity();
al.alSource3f(id, ALConstants.AL_POSITION, pos.x, pos.y, pos.z);
al.alSource3f(id, ALConstants.AL_VELOCITY, vel.x, vel.y, vel.z);
al.alSourcef(id, ALConstants.AL_MAX_DISTANCE, src.getMaxDistance());
al.alSourcef(id, ALConstants.AL_REFERENCE_DISTANCE, src.getRefDistance());
al.alSourcei(id, ALConstants.AL_SOURCE_RELATIVE, ALConstants.AL_FALSE);
if (src.isReverbEnabled() && supportEfx) {
int filter = ALExtConstants.AL_FILTER_NULL;
if (src.getReverbFilter() != null) {
Filter f = src.getReverbFilter();
if (f.isUpdateNeeded()) {
updateFilter(f);
}
filter = f.getId();
}
al.alSource3i(id, ALExtConstants.AL_AUXILIARY_SEND_FILTER, reverbFxSlot, 0, filter);
}
} else {
// play in headspace
al.alSourcei(id, ALConstants.AL_SOURCE_RELATIVE, ALConstants.AL_TRUE);
al.alSource3f(id, ALConstants.AL_POSITION, 0, 0, 0);
al.alSource3f(id, ALConstants.AL_VELOCITY, 0, 0, 0);
}
if (src.getDryFilter() != null && supportEfx) {
Filter f = src.getDryFilter();
if (f.isUpdateNeeded()) {
updateFilter(f);
// NOTE: must re-attach filter for changes to apply.
al.alSourcei(id, ALExtConstants.AL_DIRECT_FILTER, f.getId());
}
}
if (forceNonLoop) {
al.alSourcei(id, ALConstants.AL_LOOPING, ALConstants.AL_FALSE);
} else {
al.alSourcei(id, ALConstants.AL_LOOPING, src.isLooping() ? ALConstants.AL_TRUE : ALConstants.AL_FALSE);
}
al.alSourcef(id, ALConstants.AL_GAIN, src.getVolume());
al.alSourcef(id, ALConstants.AL_PITCH, src.getPitch());
al.alSourcef(id, AL.AL_SEC_OFFSET, src.getTimeOffset());
if (src.isDirectional()) {
Vector3f dir = src.getDirection();
al.alSource3f(id, ALConstants.AL_DIRECTION, dir.x, dir.y, dir.z);
al.alSourcef(id, ALConstants.AL_CONE_INNER_ANGLE, src.getInnerAngle());
al.alSourcef(id, ALConstants.AL_CONE_OUTER_ANGLE, src.getOuterAngle());
al.alSourcef(id, ALConstants.AL_CONE_OUTER_GAIN, 0);
} else {
al.alSourcef(id, ALConstants.AL_CONE_INNER_ANGLE, 360);
al.alSourcef(id, ALConstants.AL_CONE_OUTER_ANGLE, 360);
al.alSourcef(id, ALConstants.AL_CONE_OUTER_GAIN, 1f);
}
}
public void updateListenerParam(Listener listener, ListenerParam param) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
switch (param) {
case Position:
Vector3f pos = listener.getLocation();
al.alListener3f(ALConstants.AL_POSITION, pos.x, pos.y, pos.z);
break;
case Rotation:
Vector3f dir = listener.getDirection();
Vector3f up = listener.getUp();
fb.rewind();
fb.put(dir.x).put(dir.y).put(dir.z);
fb.put(up.x).put(up.y).put(up.z);
fb.flip();
al.alListenerfv(ALConstants.AL_ORIENTATION, fb);
break;
case Velocity:
Vector3f vel = listener.getVelocity();
al.alListener3f(ALConstants.AL_VELOCITY, vel.x, vel.y, vel.z);
break;
case Volume:
al.alListenerf(ALConstants.AL_GAIN, listener.getVolume());
break;
}
}
}
private void setListenerParams(Listener listener) {
Vector3f pos = listener.getLocation();
Vector3f vel = listener.getVelocity();
Vector3f dir = listener.getDirection();
Vector3f up = listener.getUp();
al.alListener3f(ALConstants.AL_POSITION, pos.x, pos.y, pos.z);
al.alListener3f(ALConstants.AL_VELOCITY, vel.x, vel.y, vel.z);
fb.rewind();
fb.put(dir.x).put(dir.y).put(dir.z);
fb.put(up.x).put(up.y).put(up.z);
fb.flip();
al.alListenerfv(ALConstants.AL_ORIENTATION, fb);
al.alListenerf(ALConstants.AL_GAIN, listener.getVolume());
}
private int newChannel() {
if (freeChans.size() > 0) {
return freeChans.remove(0);
} else if (nextChan < channels.length) {
return nextChan++;
} else {
return -1;
}
}
private void freeChannel(int index) {
if (index == nextChan - 1) {
nextChan--;
} else {
freeChans.add(index);
}
}
public void setEnvironment(Environment env) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled || !supportEfx) {
return;
}
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_DENSITY, env.getDensity());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_DIFFUSION, env.getDiffusion());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_GAIN, env.getGain());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_GAINHF, env.getGainHf());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_DECAY_TIME, env.getDecayTime());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_DECAY_HFRATIO, env.getDecayHFRatio());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_REFLECTIONS_GAIN, env.getReflectGain());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_REFLECTIONS_DELAY, env.getReflectDelay());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_LATE_REVERB_GAIN, env.getLateReverbGain());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_LATE_REVERB_DELAY, env.getLateReverbDelay());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_AIR_ABSORPTION_GAINHF, env.getAirAbsorbGainHf());
alExt.alEffectf(reverbFx, ALExtConstants.AL_REVERB_ROOM_ROLLOFF_FACTOR, env.getRoomRolloffFactor());
// attach effect to slot
alExt.alAuxiliaryEffectSloti(reverbFxSlot, ALExtConstants.AL_EFFECTSLOT_EFFECT, reverbFx);
}
}
private boolean fillBuffer(AudioStream stream, int id) {
int size = 0;
int result;
while (size < arrayBuf.length) {
result = stream.readSamples(arrayBuf, size, arrayBuf.length - size);
if (result > 0) {
size += result;
} else {
break;
}
}
if (size == 0) {
return false;
}
nativeBuf.clear();
nativeBuf.put(arrayBuf, 0, size);
nativeBuf.flip();
al.alBufferData(id, convertFormat(stream), nativeBuf, size, stream.getSampleRate());
return true;
}
private boolean fillStreamingSource(int sourceId, AudioStream stream) {
if (!stream.isOpen()) {
return false;
}
boolean active = true;
al.alGetSourcei(sourceId, AL.AL_BUFFERS_PROCESSED, ib);
int processed = ib.get(0);
// while((processed--) != 0){
if (processed > 0) {
int buffer;
ib.position(0).limit(1);
al.alSourceUnqueueBuffers(sourceId, 1, ib);
buffer = ib.get(0);
active = fillBuffer(stream, buffer);
ib.position(0).limit(1);
ib.put(0, buffer);
al.alSourceQueueBuffers(sourceId, 1, ib);
}
if (!active && stream.isOpen()) {
stream.close();
}
return active;
}
private boolean attachStreamToSource(int sourceId, AudioStream stream) {
boolean active = true;
for (int id : stream.getIds()) {
active = fillBuffer(stream, id);
ib.position(0).limit(1);
ib.put(id).flip();
al.alSourceQueueBuffers(sourceId, 1, ib);
}
return active;
}
private boolean attachBufferToSource(int sourceId, AudioBuffer buffer) {
al.alSourcei(sourceId, ALConstants.AL_BUFFER, buffer.getId());
return true;
}
private boolean attachAudioToSource(int sourceId, AudioData data) {
if (data instanceof AudioBuffer) {
return attachBufferToSource(sourceId, (AudioBuffer) data);
} else if (data instanceof AudioStream) {
return attachStreamToSource(sourceId, (AudioStream) data);
}
throw new UnsupportedOperationException();
}
private void clearChannel(int index) {
// make room at this channel
if (chanSrcs[index] != null) {
AudioSource src = chanSrcs[index];
int sourceId = channels[index];
al.alSourceStop(sourceId);
if (src.getAudioData() instanceof AudioStream) {
AudioStream str = (AudioStream) src.getAudioData();
ib.position(0).limit(STREAMING_BUFFER_COUNT);
ib.put(str.getIds()).flip();
al.alSourceUnqueueBuffers(sourceId, 1, ib);
} else if (src.getAudioData() instanceof AudioBuffer) {
al.alSourcei(sourceId, AL.AL_BUFFER, 0);
}
if (src.getDryFilter() != null && supportEfx) {
// detach filter
al.alSourcei(sourceId, ALExtConstants.AL_DIRECT_FILTER, ALExtConstants.AL_FILTER_NULL);
}
if (src.isPositional()) {
AudioSource pas = (AudioSource) src;
if (pas.isReverbEnabled() && supportEfx) {
al.alSource3i(sourceId, ALExtConstants.AL_AUXILIARY_SEND_FILTER, 0, 0, ALExtConstants.AL_FILTER_NULL);
}
}
chanSrcs[index] = null;
}
}
public void update(float tpf) {
// does nothing
}
public void updateInThread(float tpf) {
if (audioDisabled) {
return;
}
for (int i = 0; i < channels.length; i++) {
AudioSource src = chanSrcs[i];
if (src == null) {
continue;
}
int sourceId = channels[i];
// is the source bound to this channel
// if false, it's an instanced playback
boolean boundSource = i == src.getChannel();
// source's data is streaming
boolean streaming = src.getAudioData() instanceof AudioStream;
// only buffered sources can be bound
assert (boundSource && streaming) || (!streaming);
ib.position(0).limit(1);
al.alGetSourcei(sourceId, AL.AL_SOURCE_STATE, ib);
int state = ib.get(0);
boolean wantPlaying = src.getStatus() == AudioSource.Status.Playing;
boolean stopped = state == ALConstants.AL_STOPPED;
if (streaming && wantPlaying) {
AudioStream stream = (AudioStream) src.getAudioData();
if (stream.isOpen()) {
fillStreamingSource(sourceId, stream);
if (stopped) {
al.alSourcePlay(sourceId);
}
} else {
if (stopped) {
// became inactive
src.setStatus(AudioSource.Status.Stopped);
src.setChannel(-1);
clearChannel(i);
freeChannel(i);
// And free the audio since it cannot be
// played again anyway.
deleteAudioData(stream);
}
}
} else if (!streaming) {
boolean paused = state == ALConstants.AL_PAUSED;
// make sure OAL pause state & source state coincide
assert (src.getStatus() == AudioSource.Status.Paused && paused) || (!paused);
if (stopped) {
if (boundSource) {
src.setStatus(AudioSource.Status.Stopped);
src.setChannel(-1);
}
clearChannel(i);
freeChannel(i);
}
}
}
// Delete any unused objects.
objManager.deleteUnused(this);
}
public void setListener(Listener listener) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
if (this.listener != null) {
// previous listener no longer associated with current
// renderer
this.listener.setRenderer(null);
}
this.listener = listener;
this.listener.setRenderer(this);
setListenerParams(listener);
}
}
public void playSourceInstance(AudioSource src) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
if (src.getAudioData() instanceof AudioStream) {
throw new UnsupportedOperationException(
"Cannot play instances "
+ "of audio streams. Use playSource() instead.");
}
if (src.getAudioData().isUpdateNeeded()) {
updateAudioData(src.getAudioData());
}
// create a new index for an audio-channel
int index = newChannel();
if (index == -1) {
return;
}
int sourceId = channels[index];
clearChannel(index);
// set parameters, like position and max distance
setSourceParams(sourceId, src, true);
attachAudioToSource(sourceId, src.getAudioData());
chanSrcs[index] = src;
// play the channel
al.alSourcePlay(sourceId);
}
}
public void playSource(AudioSource src) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
//assert src.getStatus() == Status.Stopped || src.getChannel() == -1;
if (src.getStatus() == AudioSource.Status.Playing) {
return;
} else if (src.getStatus() == AudioSource.Status.Stopped) {
// allocate channel to this source
int index = newChannel();
if (index == -1) {
logger.log(Level.WARNING, "No channel available to play {0}", src);
return;
}
clearChannel(index);
src.setChannel(index);
AudioData data = src.getAudioData();
if (data.isUpdateNeeded()) {
updateAudioData(data);
}
chanSrcs[index] = src;
setSourceParams(channels[index], src, false);
attachAudioToSource(channels[index], data);
}
al.alSourcePlay(channels[src.getChannel()]);
src.setStatus(AudioSource.Status.Playing);
}
}
public void pauseSource(AudioSource src) {
checkDead();
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
if (src.getStatus() == AudioSource.Status.Playing) {
assert src.getChannel() != -1;
al.alSourcePause(channels[src.getChannel()]);
src.setStatus(AudioSource.Status.Paused);
}
}
}
public void stopSource(AudioSource src) {
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
if (src.getStatus() != AudioSource.Status.Stopped) {
int chan = src.getChannel();
assert chan != -1; // if it's not stopped, must have id
src.setStatus(AudioSource.Status.Stopped);
src.setChannel(-1);
clearChannel(chan);
freeChannel(chan);
if (src.getAudioData() instanceof AudioStream) {
AudioStream stream = (AudioStream) src.getAudioData();
if (stream.isOpen()) {
stream.close();
}
// And free the audio since it cannot be
// played again anyway.
deleteAudioData(src.getAudioData());
}
}
}
}
private int convertFormat(AudioData ad) {
switch (ad.getBitsPerSample()) {
case 8:
if (ad.getChannels() == 1) {
return ALConstants.AL_FORMAT_MONO8;
} else if (ad.getChannels() == 2) {
return ALConstants.AL_FORMAT_STEREO8;
}
break;
case 16:
if (ad.getChannels() == 1) {
return ALConstants.AL_FORMAT_MONO16;
} else {
return ALConstants.AL_FORMAT_STEREO16;
}
}
throw new UnsupportedOperationException("Unsupported channels/bits combination: "
+ "bits=" + ad.getBitsPerSample() + ", channels=" + ad.getChannels());
}
private void updateAudioBuffer(AudioBuffer ab) {
int id = ab.getId();
if (ab.getId() == -1) {
ib.position(0).limit(1);
al.alGenBuffers(ib.limit(), ib);
id = ib.get(0);
ab.setId(id);
objManager.registerObject(ab);
}
ab.getData().clear();
al.alBufferData(id, convertFormat(ab), ab.getData(), ab.getData().remaining(), ab.getSampleRate());
ab.clearUpdateNeeded();
}
private void updateAudioStream(AudioStream as) {
if (as.getIds() != null) {
deleteAudioData(as);
}
int[] ids = new int[STREAMING_BUFFER_COUNT];
ib.position(0).limit(STREAMING_BUFFER_COUNT);
al.alGenBuffers(ib.limit(), ib);
ib.position(0).limit(STREAMING_BUFFER_COUNT);
ib.get(ids);
// Not registered with object manager.
// AudioStreams can be handled without object manager
// since their lifecycle is known to the audio renderer.
as.setIds(ids);
as.clearUpdateNeeded();
}
private void updateAudioData(AudioData ad) {
if (ad instanceof AudioBuffer) {
updateAudioBuffer((AudioBuffer) ad);
} else if (ad instanceof AudioStream) {
updateAudioStream((AudioStream) ad);
}
}
public void deleteFilter(Filter filter) {
int id = filter.getId();
if (id != -1) {
ib.put(0, id);
ib.position(0).limit(1);
alExt.alDeleteFilters(1, ib);
}
}
public void deleteAudioData(AudioData ad) {
synchronized (threadLock) {
while (!threadLock.get()) {
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled) {
return;
}
if (ad instanceof AudioBuffer) {
AudioBuffer ab = (AudioBuffer) ad;
int id = ab.getId();
if (id != -1) {
ib.put(0, id);
ib.position(0).limit(1);
al.alDeleteBuffers(ib.limit(), ib);
ab.resetObject();
}
} else if (ad instanceof AudioStream) {
AudioStream as = (AudioStream) ad;
int[] ids = as.getIds();
if (ids != null) {
ib.clear();
ib.put(ids).flip();
al.alDeleteBuffers(ib.limit(), ib);
as.resetObject();
}
}
}
}
}