A complete 3D game development suite written purely in Java.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
jmonkeyengine/engine/src/lwjgl-oal/com/jme3/audio/lwjgl/LwjglAudioRenderer.java

1042 lines
37 KiB

/*
* Copyright (c) 2009-2010 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.lwjgl;
import com.jme3.audio.ListenerParam;
import com.jme3.audio.AudioParam;
import com.jme3.audio.AudioBuffer;
import com.jme3.audio.AudioData;
import com.jme3.audio.AudioRenderer;
import com.jme3.audio.AudioNode;
import com.jme3.audio.AudioNode.Status;
import com.jme3.audio.AudioStream;
import com.jme3.audio.Environment;
import com.jme3.audio.Filter;
import com.jme3.audio.Listener;
import com.jme3.audio.LowPassFilter;
import com.jme3.math.Vector3f;
import com.jme3.util.BufferUtils;
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;
import org.lwjgl.LWJGLException;
import org.lwjgl.openal.AL;
import org.lwjgl.openal.AL11;
import org.lwjgl.openal.ALC10;
import org.lwjgl.openal.ALCdevice;
import org.lwjgl.openal.EFX10;
import org.lwjgl.openal.OpenALException;
import static org.lwjgl.openal.AL10.*;
public class LwjglAudioRenderer implements AudioRenderer, Runnable {
private static final Logger logger = Logger.getLogger(LwjglAudioRenderer.class.getName());
// 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 AudioNode[] 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);
public LwjglAudioRenderer(){
}
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{
if (!AL.isCreated()){
AL.create();
}
}catch (OpenALException ex){
logger.log(Level.SEVERE, "Failed to load audio library", ex);
audioDisabled = true;
return;
}catch (LWJGLException ex){
logger.log(Level.SEVERE, "Failed to load audio library", ex);
audioDisabled = true;
return;
}
ALCdevice device = AL.getDevice();
String deviceName = ALC10.alcGetString(device, ALC10.ALC_DEVICE_SPECIFIER);
logger.log(Level.FINER, "Audio Device: {0}", deviceName);
logger.log(Level.FINER, "Audio Vendor: {0}", alGetString(AL_VENDOR));
logger.log(Level.FINER, "Audio Renderer: {0}", alGetString(AL_RENDERER));
logger.log(Level.FINER, "Audio Version: {0}", alGetString(AL_VERSION));
// Find maximum # of sources supported by this implementation
ArrayList<Integer> channelList = new ArrayList<Integer>();
for (int i = 0; i < MAX_NUM_CHANNELS; i++){
int chan = alGenSources();
if (alGetError() != 0){
break;
}else{
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 AudioNode[channels.length];
logger.log(Level.INFO, "AudioRenderer supports {0} channels", channels.length);
supportEfx = ALC10.alcIsExtensionPresent(device, "ALC_EXT_EFX");
logger.log(Level.FINER, "Audio EFX support: {0}", supportEfx);
if (supportEfx){
ib.position(0).limit(1);
ALC10.alcGetInteger(device, EFX10.ALC_EFX_MAJOR_VERSION, ib);
int major = ib.get(0);
ib.position(0).limit(1);
ALC10.alcGetInteger(device, EFX10.ALC_EFX_MINOR_VERSION, ib);
int minor = ib.get(0);
logger.log(Level.INFO, "Audio effect extension version: {0}.{1}", new Object[]{major, minor});
ALC10.alcGetInteger(device, EFX10.ALC_MAX_AUXILIARY_SENDS, ib);
auxSends = ib.get(0);
logger.log(Level.INFO, "Audio max auxilary sends: {0}", auxSends);
// create slot
ib.position(0).limit(1);
EFX10.alGenAuxiliaryEffectSlots(ib);
reverbFxSlot = ib.get(0);
// create effect
ib.position(0).limit(1);
EFX10.alGenEffects(ib);
reverbFx = ib.get(0);
EFX10.alEffecti(reverbFx, EFX10.AL_EFFECT_TYPE, EFX10.AL_EFFECT_REVERB);
// attach reverb effect to effect slot
// EFX10.alAuxiliaryEffectSloti(reverbFxSlot, EFX10.AL_EFFECTSLOT_EFFECT, reverbFx);
}
}
public void cleanupInThread(){
if (audioDisabled){
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();
alDeleteSources(ib);
if (supportEfx){
ib.position(0).limit(1);
ib.put(0, reverbFx);
EFX10.alDeleteEffects(ib);
ib.position(0).limit(1);
ib.put(0, reverbFxSlot);
EFX10.alDeleteAuxiliaryEffectSlots(ib);
}
// TODO: Cleanup buffers allocated for audio buffers and streams
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);
EFX10.alGenFilters(ib);
id = ib.get(0);
f.setId(id);
}
if (f instanceof LowPassFilter){
LowPassFilter lpf = (LowPassFilter) f;
EFX10.alFilteri(id, EFX10.AL_FILTER_TYPE, EFX10.AL_FILTER_LOWPASS);
EFX10.alFilterf(id, EFX10.AL_LOWPASS_GAIN, lpf.getVolume());
EFX10.alFilterf(id, EFX10.AL_LOWPASS_GAINHF, lpf.getHighFreqVolume());
}else{
throw new UnsupportedOperationException("Filter type unsupported: "+
f.getClass().getName());
}
f.clearUpdateNeeded();
}
public void updateSourceParam(AudioNode src, AudioParam param){
checkDead();
synchronized (threadLock){
while (!threadLock.get()){
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled)
return;
// There is a race condition in AudioNode 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 AudioNode
// 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.getWorldTranslation();
alSource3f(id, AL_POSITION, pos.x, pos.y, pos.z);
break;
case Velocity:
if (!src.isPositional())
return;
Vector3f vel = src.getVelocity();
alSource3f(id, AL_VELOCITY, vel.x, vel.y, vel.z);
break;
case MaxDistance:
if (!src.isPositional())
return;
alSourcef(id, AL_MAX_DISTANCE, src.getMaxDistance());
break;
case RefDistance:
if (!src.isPositional())
return;
alSourcef(id, AL_REFERENCE_DISTANCE, src.getRefDistance());
break;
case ReverbFilter:
if (!src.isPositional() || !src.isReverbEnabled())
return;
int filter = EFX10.AL_FILTER_NULL;
if (src.getReverbFilter() != null){
Filter f = src.getReverbFilter();
if (f.isUpdateNeeded()){
updateFilter(f);
}
filter = f.getId();
}
AL11.alSource3i(id, EFX10.AL_AUXILIARY_SEND_FILTER, reverbFxSlot, 0, filter);
break;
case ReverbEnabled:
if (!src.isPositional())
return;
if (src.isReverbEnabled()){
updateSourceParam(src, AudioParam.ReverbFilter);
}else{
AL11.alSource3i(id, EFX10.AL_AUXILIARY_SEND_FILTER, 0, 0, EFX10.AL_FILTER_NULL);
}
break;
case IsPositional:
if (!src.isPositional()){
// play in headspace
alSourcei(id, AL_SOURCE_RELATIVE, AL_TRUE);
alSource3f(id, AL_POSITION, 0,0,0);
alSource3f(id, AL_VELOCITY, 0,0,0);
}else{
alSourcei(id, AL_SOURCE_RELATIVE, 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();
alSource3f(id, AL_DIRECTION, dir.x, dir.y, dir.z);
break;
case InnerAngle:
if (!src.isDirectional())
return;
alSourcef(id, AL_CONE_INNER_ANGLE, src.getInnerAngle());
break;
case OuterAngle:
if (!src.isDirectional())
return;
alSourcef(id, AL_CONE_OUTER_ANGLE, src.getOuterAngle());
break;
case IsDirectional:
if (src.isDirectional()){
updateSourceParam(src, AudioParam.Direction);
updateSourceParam(src, AudioParam.InnerAngle);
updateSourceParam(src, AudioParam.OuterAngle);
alSourcef(id, AL_CONE_OUTER_GAIN, 0);
}else{
alSourcef(id, AL_CONE_INNER_ANGLE, 360);
alSourcef(id, AL_CONE_OUTER_ANGLE, 360);
alSourcef(id, AL_CONE_OUTER_GAIN, 1f);
}
break;
case DryFilter:
if (src.getDryFilter() != null){
Filter f = src.getDryFilter();
if (f.isUpdateNeeded()){
updateFilter(f);
// NOTE: must re-attach filter for changes to apply.
alSourcei(id, EFX10.AL_DIRECT_FILTER, f.getId());
}
}else{
alSourcei(id, EFX10.AL_DIRECT_FILTER, EFX10.AL_FILTER_NULL);
}
break;
case Looping:
if (src.isLooping()){
if (!(src.getAudioData() instanceof AudioStream)){
alSourcei(id, AL_LOOPING, AL_TRUE);
}
}else{
alSourcei(id, AL_LOOPING, AL_FALSE);
}
break;
case Volume:
alSourcef(id, AL_GAIN, src.getVolume());
break;
case Pitch:
alSourcef(id, AL_PITCH, src.getPitch());
break;
}
}
}
private void setSourceParams(int id, AudioNode src, boolean forceNonLoop){
if (src.isPositional()){
Vector3f pos = src.getWorldTranslation();
Vector3f vel = src.getVelocity();
alSource3f(id, AL_POSITION, pos.x, pos.y, pos.z);
alSource3f(id, AL_VELOCITY, vel.x, vel.y, vel.z);
alSourcef(id, AL_MAX_DISTANCE, src.getMaxDistance());
alSourcef(id, AL_REFERENCE_DISTANCE, src.getRefDistance());
alSourcei(id, AL_SOURCE_RELATIVE, AL_FALSE);
if (src.isReverbEnabled()){
int filter = EFX10.AL_FILTER_NULL;
if (src.getReverbFilter() != null){
Filter f = src.getReverbFilter();
if (f.isUpdateNeeded()){
updateFilter(f);
}
filter = f.getId();
}
AL11.alSource3i(id, EFX10.AL_AUXILIARY_SEND_FILTER, reverbFxSlot, 0, filter);
}
}else{
// play in headspace
alSourcei(id, AL_SOURCE_RELATIVE, AL_TRUE);
alSource3f(id, AL_POSITION, 0,0,0);
alSource3f(id, AL_VELOCITY, 0,0,0);
}
if (src.getDryFilter() != null){
Filter f = src.getDryFilter();
if (f.isUpdateNeeded()){
updateFilter(f);
// NOTE: must re-attach filter for changes to apply.
alSourcei(id, EFX10.AL_DIRECT_FILTER, f.getId());
}
}
if (forceNonLoop){
alSourcei(id, AL_LOOPING, AL_FALSE);
}else{
alSourcei(id, AL_LOOPING, src.isLooping() ? AL_TRUE : AL_FALSE);
}
alSourcef(id, AL_GAIN, src.getVolume());
alSourcef(id, AL_PITCH, src.getPitch());
alSourcef(id, AL11.AL_SEC_OFFSET, src.getTimeOffset());
if (src.isDirectional()){
Vector3f dir = src.getDirection();
alSource3f(id, AL_DIRECTION, dir.x, dir.y, dir.z);
alSourcef(id, AL_CONE_INNER_ANGLE, src.getInnerAngle());
alSourcef(id, AL_CONE_OUTER_ANGLE, src.getOuterAngle());
alSourcef(id, AL_CONE_OUTER_GAIN, 0);
}else{
alSourcef(id, AL_CONE_INNER_ANGLE, 360);
alSourcef(id, AL_CONE_OUTER_ANGLE, 360);
alSourcef(id, 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();
alListener3f(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();
alListener(AL_ORIENTATION, fb);
break;
case Velocity:
Vector3f vel = listener.getVelocity();
alListener3f(AL_VELOCITY, vel.x, vel.y, vel.z);
break;
case Volume:
alListenerf(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();
alListener3f(AL_POSITION, pos.x, pos.y, pos.z);
alListener3f(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();
alListener(AL_ORIENTATION, fb);
alListenerf(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)
return;
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_DENSITY, env.getDensity());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_DIFFUSION, env.getDiffusion());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_GAIN, env.getGain());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_GAINHF, env.getGainHf());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_DECAY_TIME, env.getDecayTime());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_DECAY_HFRATIO, env.getDecayHFRatio());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_REFLECTIONS_GAIN, env.getReflectGain());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_REFLECTIONS_DELAY, env.getReflectDelay());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_LATE_REVERB_GAIN, env.getLateReverbGain());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_LATE_REVERB_DELAY, env.getLateReverbDelay());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_AIR_ABSORPTION_GAINHF, env.getAirAbsorbGainHf());
EFX10.alEffectf(reverbFx, EFX10.AL_REVERB_ROOM_ROLLOFF_FACTOR, env.getRoomRolloffFactor());
// attach effect to slot
EFX10.alAuxiliaryEffectSloti(reverbFxSlot, EFX10.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();
alBufferData(id, convertFormat(stream), nativeBuf, stream.getSampleRate());
return true;
}
private boolean fillStreamingSource(int sourceId, AudioStream stream){
if (!stream.isOpen())
return false;
boolean active = true;
int processed = alGetSourcei(sourceId, AL_BUFFERS_PROCESSED);
// while((processed--) != 0){
if (processed > 0){
int buffer;
ib.position(0).limit(1);
alSourceUnqueueBuffers(sourceId, ib);
buffer = ib.get(0);
active = fillBuffer(stream, buffer);
ib.position(0).limit(1);
ib.put(0, buffer);
alSourceQueueBuffers(sourceId, 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();
alSourceQueueBuffers(sourceId, ib);
}
return active;
}
private boolean attachBufferToSource(int sourceId, AudioBuffer buffer){
alSourcei(sourceId, 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){
AudioNode src = chanSrcs[index];
int sourceId = channels[index];
alSourceStop(sourceId);
if (src.getAudioData() instanceof AudioStream){
AudioStream str = (AudioStream) src.getAudioData();
ib.position(0).limit(STREAMING_BUFFER_COUNT);
ib.put(str.getIds()).flip();
alSourceUnqueueBuffers(sourceId, ib);
}else if (src.getAudioData() instanceof AudioBuffer){
alSourcei(sourceId, AL_BUFFER, 0);
}
if (src.getDryFilter() != null){
// detach filter
alSourcei(sourceId, EFX10.AL_DIRECT_FILTER, EFX10.AL_FILTER_NULL);
}
if (src.isPositional()){
AudioNode pas = (AudioNode) src;
if (pas.isReverbEnabled()) {
AL11.alSource3i(sourceId, EFX10.AL_AUXILIARY_SEND_FILTER, 0, 0, EFX10.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++){
AudioNode 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);
int state = alGetSourcei(sourceId, AL_SOURCE_STATE);
boolean wantPlaying = src.getStatus() == Status.Playing;
boolean stopped = state == AL_STOPPED;
if (streaming && wantPlaying){
AudioStream stream = (AudioStream) src.getAudioData();
if (stream.isOpen()){
fillStreamingSource(sourceId, stream);
if (stopped)
alSourcePlay(sourceId);
}else{
if (stopped){
// became inactive
src.setStatus(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 == AL_PAUSED;
// make sure OAL pause state & source state coincide
assert (src.getStatus() == Status.Paused && paused) || (!paused);
if (stopped){
if (boundSource){
src.setStatus(Status.Stopped);
src.setChannel(-1);
}
clearChannel(i);
freeChannel(i);
}
}
}
}
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(AudioNode 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
alSourcePlay(sourceId);
}
}
public void playSource(AudioNode 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() == Status.Playing){
return;
}else if (src.getStatus() == 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);
}
alSourcePlay(channels[src.getChannel()]);
src.setStatus(Status.Playing);
}
}
public void pauseSource(AudioNode src) {
checkDead();
synchronized (threadLock){
while (!threadLock.get()){
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled)
return;
if (src.getStatus() == Status.Playing){
assert src.getChannel() != -1;
alSourcePause(channels[src.getChannel()]);
src.setStatus(Status.Paused);
}
}
}
public void stopSource(AudioNode src) {
synchronized (threadLock){
while (!threadLock.get()){
try {
threadLock.wait();
} catch (InterruptedException ex) {
}
}
if (audioDisabled)
return;
if (src.getStatus() != Status.Stopped){
int chan = src.getChannel();
assert chan != -1; // if it's not stopped, must have id
src.setStatus(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 AL_FORMAT_MONO8;
else if (ad.getChannels() == 2)
return AL_FORMAT_STEREO8;
break;
case 16:
if (ad.getChannels() == 1)
return AL_FORMAT_MONO16;
else
return 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);
alGenBuffers(ib);
id = ib.get(0);
ab.setId(id);
}
ab.getData().clear();
alBufferData(id, convertFormat(ab), ab.getData(), 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);
alGenBuffers(ib);
ib.position(0).limit(STREAMING_BUFFER_COUNT);
ib.get(ids);
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 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);
alDeleteBuffers(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();
alDeleteBuffers(ib);
as.resetObject();
}
}
}
}
}