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jogamp.opengl.openal.av.ALAudioSink Maven / Gradle / Ivy
/**
* Copyright 2013 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.opengl.openal.av;
import java.nio.ByteBuffer;
import java.util.Arrays;
import com.jogamp.common.util.LFRingbuffer;
import com.jogamp.common.util.Ringbuffer;
import com.jogamp.common.util.locks.LockFactory;
import com.jogamp.common.util.locks.RecursiveLock;
import com.jogamp.openal.AL;
import com.jogamp.openal.ALC;
import com.jogamp.openal.ALCcontext;
import com.jogamp.openal.ALCdevice;
import com.jogamp.openal.ALExt;
import com.jogamp.openal.ALFactory;
import com.jogamp.openal.util.ALHelpers;
import com.jogamp.opengl.util.av.AudioSink;
/***
* OpenAL Audio Sink
*/
public class ALAudioSink implements AudioSink {
private static final String AL_SOFT_buffer_samples = "AL_SOFT_buffer_samples";
private static final ALC alc;
private static final AL al;
private static final ALExt alExt;
private static final boolean staticAvailable;
private String deviceSpecifier;
private ALCdevice device;
private boolean hasSOFTBufferSamples;
private AudioFormat preferredAudioFormat;
private ALCcontext context;
private final RecursiveLock lock = LockFactory.createRecursiveLock();
/** Playback speed, range [0.5 - 2.0], default 1.0. */
private float playSpeed;
private float volume = 1.0f;
static class ALAudioFrame extends AudioFrame {
private final int alBuffer;
ALAudioFrame(int alBuffer) {
this.alBuffer = alBuffer;
}
public ALAudioFrame(int alBuffer, int pts, int duration, int dataSize) {
super(pts, duration, dataSize);
this.alBuffer = alBuffer;
}
/** Get this frame's OpenAL buffer name */
public final int getALBuffer() { return alBuffer; }
public String toString() {
return "ALAudioFrame[pts " + pts + " ms, l " + duration + " ms, " + byteSize + " bytes, buffer "+alBuffer+"]";
}
}
// private ALAudioFrame[] alFrames = null;
private int[] alBufferNames = null;
private int frameGrowAmount = 0;
private int frameLimit = 0;
private Ringbuffer alFramesAvail = null;
private Ringbuffer alFramesPlaying = null;
private volatile int alBufferBytesQueued = 0;
private volatile int playingPTS = AudioFrame.INVALID_PTS;
private volatile int enqueuedFrameCount;
private int[] alSource = null;
private AudioFormat chosenFormat;
private int alChannelLayout;
private int alSampleType;
private int alFormat;
private boolean initialized;
private volatile boolean playRequested = false;
static {
ALC _alc = null;
AL _al = null;
ALExt _alExt = null;
try {
_alc = ALFactory.getALC();
_al = ALFactory.getAL();
_alExt = ALFactory.getALExt();
} catch(Throwable t) {
if( DEBUG ) {
System.err.println("ALAudioSink: Catched "+t.getClass().getName()+": "+t.getMessage());
t.printStackTrace();
}
}
alc = _alc;
al = _al;
alExt = _alExt;
staticAvailable = null != alc && null != al && null != alExt;
}
public ALAudioSink() {
initialized = false;
chosenFormat = null;
if( !staticAvailable ) {
return;
}
try {
// Get handle to default device.
device = alc.alcOpenDevice(null);
if (device == null) {
throw new RuntimeException("ALAudioSink: Error opening default OpenAL device");
}
// Get the device specifier.
deviceSpecifier = alc.alcGetString(device, ALC.ALC_DEVICE_SPECIFIER);
if (deviceSpecifier == null) {
throw new RuntimeException("ALAudioSink: Error getting specifier for default OpenAL device");
}
// Create audio context.
context = alc.alcCreateContext(device, null);
if (context == null) {
throw new RuntimeException("ALAudioSink: Error creating OpenAL context for "+deviceSpecifier);
}
lockContext();
try {
// Check for an error.
if ( alc.alcGetError(device) != ALC.ALC_NO_ERROR ) {
throw new RuntimeException("ALAudioSink: Error making OpenAL context current");
}
hasSOFTBufferSamples = al.alIsExtensionPresent(AL_SOFT_buffer_samples);
preferredAudioFormat = queryPreferredAudioFormat();
if( DEBUG ) {
System.out.println("ALAudioSink: OpenAL Extensions:"+al.alGetString(AL.AL_EXTENSIONS));
System.out.println("ALAudioSink: Null device OpenAL Extensions:"+alc.alcGetString(null, ALC.ALC_EXTENSIONS));
System.out.println("ALAudioSink: Device "+deviceSpecifier+" OpenAL Extensions:"+alc.alcGetString(device, ALC.ALC_EXTENSIONS));
System.out.println("ALAudioSink: hasSOFTBufferSamples "+hasSOFTBufferSamples);
System.out.println("ALAudioSink: preferredAudioFormat "+preferredAudioFormat);
}
// Create source
{
alSource = new int[1];
al.alGenSources(1, alSource, 0);
final int err = al.alGetError();
if( err != AL.AL_NO_ERROR ) {
alSource = null;
throw new RuntimeException("ALAudioSink: Error generating Source: 0x"+Integer.toHexString(err));
}
}
if( DEBUG ) {
System.err.println("ALAudioSink: Using device: " + deviceSpecifier);
}
initialized = true;
} finally {
unlockContext();
}
return;
} catch ( Exception e ) {
if( DEBUG ) {
System.err.println(e.getMessage());
}
destroy();
}
}
private final AudioFormat queryPreferredAudioFormat() {
int sampleRate = DefaultFormat.sampleRate;
final int[] value = new int[1];
alc.alcGetIntegerv(device, ALC.ALC_FREQUENCY, 1, value, 0);
if ( alc.alcGetError(device) == ALC.ALC_NO_ERROR ) {
sampleRate = value[0];
}
return new AudioFormat(sampleRate, DefaultFormat.sampleSize, DefaultFormat.channelCount, DefaultFormat.signed, DefaultFormat.fixedP, DefaultFormat.planar, DefaultFormat.littleEndian);
}
private final void lockContext() {
lock.lock();
alc.alcMakeContextCurrent(context);
}
private final void unlockContext() {
alc.alcMakeContextCurrent(null);
lock.unlock();
}
private final void destroyContext() {
lock.lock();
try {
if( null != context ) {
try {
alc.alcDestroyContext(context);
} catch (Throwable t) {
if( DEBUG ) {
System.err.println("Catched "+t.getClass().getName()+": "+t.getMessage());
t.printStackTrace();
}
}
context = null;
}
// unroll lock !
while(lock.getHoldCount() > 1) {
lock.unlock();
}
} finally {
lock.unlock();
}
}
@Override
public final String toString() {
final int alSrcName = null != alSource ? alSource[0] : 0;
final int alBuffersLen = null != alBufferNames ? alBufferNames.length : 0;
final int ctxHash = context != null ? context.hashCode() : 0;
return "ALAudioSink[init "+initialized+", playRequested "+playRequested+", device "+deviceSpecifier+", ctx "+toHexString(ctxHash)+", alSource "+alSrcName+
", chosen "+chosenFormat+
", al[chan "+ALHelpers.alChannelLayoutName(alChannelLayout)+", type "+ALHelpers.alSampleTypeName(alSampleType)+
", fmt "+toHexString(alFormat)+", soft "+hasSOFTBufferSamples+
"], playSpeed "+playSpeed+", buffers[total "+alBuffersLen+", avail "+alFramesAvail.size()+", "+
"queued["+alFramesPlaying.size()+", apts "+getPTS()+", "+getQueuedTime() + " ms, " + alBufferBytesQueued+" bytes], "+
"queue[g "+frameGrowAmount+", l "+frameLimit+"]";
}
public final String getPerfString() {
final int alBuffersLen = null != alBufferNames ? alBufferNames.length : 0;
return "Play [buffer "+alFramesPlaying.size()+"/"+alBuffersLen+", apts "+getPTS()+", "+getQueuedTime() + " ms, " + alBufferBytesQueued+" bytes]";
}
@Override
public final AudioFormat getPreferredFormat() {
if( !staticAvailable ) {
return null;
}
return preferredAudioFormat;
}
@Override
public final int getMaxSupportedChannels() {
if( !staticAvailable ) {
return 0;
}
return hasSOFTBufferSamples ? 8 : 2;
}
@Override
public final boolean isSupported(AudioFormat format) {
if( !staticAvailable ) {
return false;
}
if( format.planar || !format.littleEndian ) {
// FIXME big-endian supported w/ SOFT where it's native format!
return false;
}
final int alChannelLayout = ALHelpers.getDefaultALChannelLayout(format.channelCount);
if( AL.AL_NONE != alChannelLayout ) {
final int alSampleType = ALHelpers.getALSampleType(format.sampleSize, format.signed, format.fixedP);
if( AL.AL_NONE != alSampleType ) {
lockContext();
try {
final int alFormat = ALHelpers.getALFormat(alChannelLayout, alSampleType, hasSOFTBufferSamples, al, alExt);
return AL.AL_NONE != alFormat;
} finally {
unlockContext();
}
}
}
return false;
}
@Override
public final boolean init(AudioFormat requestedFormat, float frameDuration, int initialQueueSize, int queueGrowAmount, int queueLimit) {
if( !staticAvailable ) {
return false;
}
alChannelLayout = ALHelpers.getDefaultALChannelLayout(requestedFormat.channelCount);
alSampleType = ALHelpers.getALSampleType(requestedFormat.sampleSize, requestedFormat.signed, requestedFormat.fixedP);
lockContext();
try {
if( AL.AL_NONE != alChannelLayout && AL.AL_NONE != alSampleType ) {
alFormat = ALHelpers.getALFormat(alChannelLayout, alSampleType, hasSOFTBufferSamples, al, alExt);
} else {
alFormat = AL.AL_NONE;
}
if( AL.AL_NONE == alFormat ) {
// not supported
return false;
}
// Allocate buffers
destroyBuffers();
{
final float useFrameDuration = frameDuration > 1f ? frameDuration : AudioSink.DefaultFrameDuration;
final int initialFrameCount = requestedFormat.getFrameCount(
initialQueueSize > 0 ? initialQueueSize : AudioSink.DefaultInitialQueueSize, useFrameDuration);
// frameDuration, int initialQueueSize, int queueGrowAmount, int queueLimit) {
alBufferNames = new int[initialFrameCount];
al.alGenBuffers(initialFrameCount, alBufferNames, 0);
final int err = al.alGetError();
if( err != AL.AL_NO_ERROR ) {
alBufferNames = null;
throw new RuntimeException("ALAudioSink: Error generating Buffers: 0x"+Integer.toHexString(err));
}
final ALAudioFrame[] alFrames = new ALAudioFrame[initialFrameCount];
for(int i=0; i(alFrames);
alFramesPlaying = new LFRingbuffer(ALAudioFrame[].class, initialFrameCount);
this.frameGrowAmount = requestedFormat.getFrameCount(
queueGrowAmount > 0 ? queueGrowAmount : AudioSink.DefaultQueueGrowAmount, useFrameDuration);
this.frameLimit = requestedFormat.getFrameCount(
queueLimit > 0 ? queueLimit : AudioSink.DefaultQueueLimitWithVideo, useFrameDuration);
}
} finally {
unlockContext();
}
chosenFormat = requestedFormat;
return true;
}
private static int[] concat(int[] first, int[] second) {
final int[] result = Arrays.copyOf(first, first.length + second.length);
System.arraycopy(second, 0, result, first.length, second.length);
return result;
}
/**
private static T[] concat(T[] first, T[] second) {
final T[] result = Arrays.copyOf(first, first.length + second.length);
System.arraycopy(second, 0, result, first.length, second.length);
return result;
} */
private boolean growBuffers() {
if( !alFramesAvail.isEmpty() || !alFramesPlaying.isFull() ) {
throw new InternalError("Buffers: Avail is !empty "+alFramesAvail+" or Playing is !full "+alFramesPlaying);
}
if( alFramesAvail.capacity() >= frameLimit || alFramesPlaying.capacity() >= frameLimit ) {
if( DEBUG ) {
System.err.println(getThreadName()+": ALAudioSink.growBuffers: Frame limit "+frameLimit+" reached: Avail "+alFramesAvail+", Playing "+alFramesPlaying);
}
return false;
}
final int[] newALBufferNames = new int[frameGrowAmount];
al.alGenBuffers(frameGrowAmount, newALBufferNames, 0);
final int err = al.alGetError();
if( err != AL.AL_NO_ERROR ) {
if( DEBUG ) {
System.err.println(getThreadName()+": ALAudioSink.growBuffers: Error generating "+frameGrowAmount+" new Buffers: 0x"+Integer.toHexString(err));
}
return false;
}
alBufferNames = concat(alBufferNames, newALBufferNames);
final ALAudioFrame[] newALBuffers = new ALAudioFrame[frameGrowAmount];
for(int i=0; i 0 ) {
final int releaseBufferLimes = Math.max(1, alFramesPlaying.size() / 4 );
final int[] val=new int[1];
int i=0;
do {
al.alGetSourcei(alSource[0], AL.AL_BUFFERS_PROCESSED, val, 0);
alErr = al.alGetError();
if( AL.AL_NO_ERROR != alErr ) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while quering processed buffers at source. "+this);
}
if( wait && val[0] < releaseBufferLimes ) {
i++;
// clip wait at [2 .. 100] ms
final int avgBufferDura = chosenFormat.getBytesDuration( alBufferBytesQueued / alFramesPlaying.size() );
final int sleep = Math.max(2, Math.min(100, releaseBufferLimes * avgBufferDura));
if( DEBUG || true ) {
System.err.println(getThreadName()+": ALAudioSink: Dequeue.wait["+i+"]: avgBufferDura "+avgBufferDura+", releaseBufferLimes "+releaseBufferLimes+", sleep "+sleep+" ms, playImpl "+isPlayingImpl1()+", processed "+val[0]+", "+this);
}
unlockContext();
try {
Thread.sleep( sleep - 1 );
} catch (InterruptedException e) {
} finally {
lockContext();
}
}
} while ( wait && val[0] < releaseBufferLimes && alBufferBytesQueued > 0 );
releaseBufferCount = val[0];
} else {
releaseBufferCount = 0;
}
if( releaseBufferCount > 0 ) {
int[] buffers=new int[releaseBufferCount];
al.alSourceUnqueueBuffers(alSource[0], releaseBufferCount, buffers, 0);
alErr = al.alGetError();
if( AL.AL_NO_ERROR != alErr ) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while dequeueing "+releaseBufferCount+" buffers. "+this);
}
for ( int i=0; i 0 ) {
System.err.println(getThreadName()+": ALAudioSink: Write "+inPTS+", "+inDuration+" ms, dequeued "+dequeuedBufferCount+", wait "+wait+", "+getPerfString());
}
}
return dequeuedBufferCount;
}
@Override
public final AudioFrame enqueueData(AudioDataFrame audioDataFrame) {
return enqueueData(audioDataFrame.getPTS(), audioDataFrame.getData(), audioDataFrame.getByteSize());
}
@Override
public final AudioFrame enqueueData(int pts, ByteBuffer bytes, int byteCount) {
if( !initialized || null == chosenFormat ) {
return null;
}
final ALAudioFrame alFrame;
int alErr = AL.AL_NO_ERROR;
// OpenAL consumes buffers in the background
// we first need to initialize the OpenAL buffers then
// start continuous playback.
lockContext();
try {
alErr = al.alGetError();
if(al.alGetError() != AL.AL_NO_ERROR) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while makeCurrent. "+this);
}
final int duration = chosenFormat.getBytesDuration(byteCount);
final boolean dequeueDone;
if( alFramesAvail.isEmpty() ) {
// try to dequeue first
dequeueDone = dequeueBuffer(false, pts, duration) > 0;
if( alFramesAvail.isEmpty() ) {
// try to grow
growBuffers();
}
} else {
dequeueDone = false;
}
if( !dequeueDone && alFramesPlaying.size() > 0 ) { // dequeue only possible if playing ..
final boolean wait = isPlayingImpl0() && alFramesAvail.isEmpty(); // possible if grow failed or already exceeds it's limit!
dequeueBuffer(wait, pts, duration);
}
alFrame = alFramesAvail.get();
if( null == alFrame ) {
alFramesAvail.dump(System.err, "Avail");
throw new InternalError("Internal Error: avail.get null "+alFramesAvail+", "+this);
}
alFrame.setPTS(pts);
alFrame.setDuration(duration);
alFrame.setByteSize(byteCount);
if( !alFramesPlaying.put( alFrame ) ) {
throw new InternalError("Internal Error: "+this);
}
if( hasSOFTBufferSamples ) {
final int samplesPerChannel = chosenFormat.getBytesSampleCount(byteCount) / chosenFormat.channelCount;
// final int samplesPerChannel = ALHelpers.bytesToSampleCount(byteCount, alChannelLayout, alSampleType);
alExt.alBufferSamplesSOFT(alFrame.alBuffer, chosenFormat.sampleRate, alFormat,
samplesPerChannel, alChannelLayout, alSampleType, bytes);
} else {
al.alBufferData(alFrame.alBuffer, alFormat, bytes, byteCount, chosenFormat.sampleRate);
}
final int[] alBufferNames = new int[] { alFrame.alBuffer };
al.alSourceQueueBuffers(alSource[0], 1, alBufferNames, 0);
alErr = al.alGetError();
if(al.alGetError() != AL.AL_NO_ERROR) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while queueing buffer "+toHexString(alBufferNames[0])+". "+this);
}
alBufferBytesQueued += byteCount;
enqueuedFrameCount++;
playImpl(); // continue playing, fixes issue where we ran out of enqueued data!
} finally {
unlockContext();
}
return alFrame;
}
@Override
public final boolean isPlaying() {
if( !initialized || null == chosenFormat ) {
return false;
}
if( playRequested ) {
lockContext();
try {
return isPlayingImpl0();
} finally {
unlockContext();
}
} else {
return false;
}
}
private final boolean isPlayingImpl0() {
if( playRequested ) {
return isPlayingImpl1();
} else {
return false;
}
}
private final boolean isPlayingImpl1() {
final int[] val = new int[1];
al.alGetSourcei(alSource[0], AL.AL_SOURCE_STATE, val, 0);
final int alErr = al.alGetError();
if(al.alGetError() != AL.AL_NO_ERROR) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while querying isPlaying. "+this);
}
return val[0] == AL.AL_PLAYING;
}
@Override
public final void play() {
if( !initialized || null == chosenFormat ) {
return;
}
playRequested = true;
lockContext();
try {
playImpl();
if( DEBUG ) {
System.err.println(getThreadName()+": ALAudioSink: PLAY playImpl "+isPlayingImpl1()+", "+this);
}
} finally {
unlockContext();
}
}
private final void playImpl() {
if( playRequested && !isPlayingImpl1() ) {
al.alSourcePlay(alSource[0]);
final int alErr = al.alGetError();
if(al.alGetError() != AL.AL_NO_ERROR) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while start playing. "+this);
}
}
}
@Override
public final void pause() {
if( !initialized || null == chosenFormat ) {
return;
}
if( playRequested ) {
lockContext();
try {
pauseImpl();
if( DEBUG ) {
System.err.println(getThreadName()+": ALAudioSink: PAUSE playImpl "+isPlayingImpl1()+", "+this);
}
} finally {
unlockContext();
}
}
}
private final void pauseImpl() {
if( isPlayingImpl0() ) {
playRequested = false;
al.alSourcePause(alSource[0]);
final int alErr = al.alGetError();
if(al.alGetError() != AL.AL_NO_ERROR) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while pausing. "+this);
}
}
}
private final void stopImpl() {
if( isPlayingImpl0() ) {
playRequested = false;
al.alSourceStop(alSource[0]);
final int alErr = al.alGetError();
if(al.alGetError() != AL.AL_NO_ERROR) {
throw new RuntimeException("ALError "+toHexString(alErr)+" while pausing. "+this);
}
}
}
@Override
public final float getPlaySpeed() { return playSpeed; }
@Override
public final boolean setPlaySpeed(float rate) {
if( !initialized || null == chosenFormat ) {
return false;
}
lockContext();
try {
if( Math.abs(1.0f - rate) < 0.01f ) {
rate = 1.0f;
}
if( 0.5f <= rate && rate <= 2.0f ) { // OpenAL limits
playSpeed = rate;
al.alSourcef(alSource[0], AL.AL_PITCH, playSpeed);
return true;
}
} finally {
unlockContext();
}
return false;
}
@Override
public final float getVolume() {
return volume;
}
@Override
public final boolean setVolume(float v) {
if( !initialized || null == chosenFormat ) {
return false;
}
lockContext();
try {
if( Math.abs(v) < 0.01f ) {
v = 0.0f;
} else if( Math.abs(1.0f - v) < 0.01f ) {
v = 1.0f;
}
if( 0.0f <= v && v <= 1.0f ) { // OpenAL limits
volume = v;
al.alSourcef(alSource[0], AL.AL_GAIN, v);
return true;
}
} finally {
unlockContext();
}
return false;
}
@Override
public final void flush() {
if( !initialized || null == chosenFormat ) {
return;
}
lockContext();
try {
// pauseImpl();
stopImpl();
dequeueBuffer( true /* flush */, false /* wait */ );
if( alBufferNames.length != alFramesAvail.size() || alFramesPlaying.size() != 0 ) {
throw new InternalError("XXX: "+this);
}
if( DEBUG ) {
System.err.println(getThreadName()+": ALAudioSink: FLUSH playImpl "+isPlayingImpl1()+", "+this);
}
} finally {
unlockContext();
}
}
@Override
public final int getEnqueuedFrameCount() {
return enqueuedFrameCount;
}
@Override
public final int getFrameCount() {
return null != alBufferNames ? alBufferNames.length : 0;
}
@Override
public final int getQueuedFrameCount() {
if( !initialized || null == chosenFormat ) {
return 0;
}
return alFramesPlaying.size();
}
@Override
public final int getFreeFrameCount() {
if( !initialized || null == chosenFormat ) {
return 0;
}
return alFramesAvail.size();
}
@Override
public final int getQueuedByteCount() {
if( !initialized || null == chosenFormat ) {
return 0;
}
return alBufferBytesQueued;
}
@Override
public final int getQueuedTime() {
if( !initialized || null == chosenFormat ) {
return 0;
}
return chosenFormat.getBytesDuration(alBufferBytesQueued);
}
@Override
public final int getPTS() { return playingPTS; }
private static final String toHexString(int v) { return "0x"+Integer.toHexString(v); }
private static final String getThreadName() { return Thread.currentThread().getName(); }
}
