src/source.cpp

   1
   2 #include "config.h"
   3
   4 #include "source.h"
   5
   6 #include <cstring>
   7
   8 #include <stdexcept>
   9 #include <sstream>
  10 #include <memory>
  11 #include <limits>
  12
  13 #include "al.h"
  14 #include "alext.h"
  15
  16 #include "context.h"
  17 #include "buffer.h"
  18 #include "auxeffectslot.h"
  19 #include "sourcegroup.h"
  20
  21 namespace alure
  22 {
  23
  24 class ALBufferStream {
  25     SharedPtr<Decoder> mDecoder;
  26
  27     ALuint mUpdateLen;
  28     ALuint mNumUpdates;
  29
  30     ALenum mFormat;
  31     ALuint mFrequency;
  32     ALuint mFrameSize;
  33
  34     Vector<ALbyte> mData;
  35     ALbyte mSilence;
  36
  37     Vector<ALuint> mBufferIds;
  38     ALuint mCurrentIdx;
  39
  40     std::pair<uint64_t,uint64_t> mLoopPts;
  41     std::atomic<bool> mHasLooped;
  42     std::atomic<bool> mDone;
  43
  44 public:
  45     ALBufferStream(SharedPtr<Decoder> decoder, ALuint updatelen, ALuint numupdates)
  46       : mDecoder(decoder), mUpdateLen(updatelen), mNumUpdates(numupdates),
  47         mFormat(AL_NONE), mFrequency(0), mFrameSize(0), mSilence(0),
  48         mCurrentIdx(0), mLoopPts{0,0}, mHasLooped(false), mDone(false)
  49     { }
  50     ~ALBufferStream()
  51     {
  52         if(!mBufferIds.empty())
  53         {
  54             alDeleteBuffers(mBufferIds.size(), &mBufferIds[0]);
  55             mBufferIds.clear();
  56         }
  57     }
  58
  59     uint64_t getLength() const { return mDecoder->getLength(); }
  60     uint64_t getPosition() const { return mDecoder->getPosition(); }
  61
  62     ALuint getNumUpdates() const { return mNumUpdates; }
  63     ALuint getUpdateLength() const { return mUpdateLen; }
  64
  65     ALuint getFrequency() const { return mFrequency; }
  66
  67     bool seek(uint64_t pos)
  68     {
  69         if(!mDecoder->seek(pos))
  70             return false;
  71         mHasLooped.store(false, std::memory_order_release);
  72         mDone.store(false, std::memory_order_release);
  73         return true;
  74     }
  75
  76     void prepare()
  77     {
  78         ALuint srate = mDecoder->getFrequency();
  79         ChannelConfig chans = mDecoder->getChannelConfig();
  80         SampleType type = mDecoder->getSampleType();
  81
  82         mLoopPts = mDecoder->getLoopPoints();
  83         if(mLoopPts.first >= mLoopPts.second)
  84         {
  85             mLoopPts.first = 0;
  86             mLoopPts.second = std::numeric_limits<uint64_t>::max();
  87         }
  88
  89         mFrequency = srate;
  90         mFrameSize = FramesToBytes(1, chans, type);
  91         mFormat = GetFormat(chans, type);
  92         if(mFormat == AL_NONE)
  93         {
  94             std::stringstream sstr;
  95             sstr<< "Format not supported ("<<GetSampleTypeName(type)<<", "<<GetChannelConfigName(chans)<<")";
  96             throw std::runtime_error(sstr.str());
  97         }
  98
  99         mData.resize(mUpdateLen * mFrameSize);
 100         if(type == SampleType::UInt8) mSilence = 0x80;
 101         else if(type == SampleType::Mulaw) mSilence = 0x7f;
 102         else mSilence = 0x00;
 103
 104         mBufferIds.assign(mNumUpdates, 0);
 105         alGenBuffers(mBufferIds.size(), &mBufferIds[0]);
 106     }
 107
 108     int64_t getLoopStart() const { return mLoopPts.first; }
 109     int64_t getLoopEnd() const { return mLoopPts.second; }
 110
 111     bool hasLooped() const { return mHasLooped.load(std::memory_order_acquire); }
 112     bool hasMoreData() const { return !mDone.load(std::memory_order_acquire); }
 113     bool streamMoreData(ALuint srcid, bool loop)
 114     {
 115         if(mDone.load(std::memory_order_acquire))
 116             return false;
 117
 118         ALuint frames;
 119         if(!loop)
 120             frames = mDecoder->read(&mData[0], mUpdateLen);
 121         else
 122         {
 123             ALuint len = mUpdateLen;
 124             uint64_t pos = mDecoder->getPosition();
 125             if(pos <= mLoopPts.second)
 126                 len = std::min<uint64_t>(len, mLoopPts.second - pos);
 127             else
 128                 loop = false;
 129
 130             frames = mDecoder->read(&mData[0], len);
 131             if(frames < mUpdateLen && loop && pos+frames > 0)
 132             {
 133                 if(pos+frames < mLoopPts.second)
 134                 {
 135                     mLoopPts.second = pos+frames;
 136                     mLoopPts.first = std::min(mLoopPts.first, mLoopPts.second-1);
 137                 }
 138
 139                 do {
 140                     if(!mDecoder->seek(mLoopPts.first))
 141                         break;
 142                     mHasLooped.store(true, std::memory_order_release);
 143
 144                     len = std::min<uint64_t>(mUpdateLen-frames, mLoopPts.second-mLoopPts.first);
 145                     ALuint got = mDecoder->read(&mData[frames*mFrameSize], len);
 146                     if(got == 0) break;
 147                     frames += got;
 148                 } while(frames < mUpdateLen);
 149             }
 150         }
 151         if(frames < mUpdateLen)
 152         {
 153             mDone.store(true, std::memory_order_release);
 154             if(frames == 0) return false;
 155             std::fill(mData.begin() + frames*mFrameSize, mData.end(), mSilence);
 156         }
 157
 158         alBufferData(mBufferIds[mCurrentIdx], mFormat, &mData[0], mData.size(), mFrequency);
 159         alSourceQueueBuffers(srcid, 1, &mBufferIds[mCurrentIdx]);
 160         mCurrentIdx = (mCurrentIdx+1) % mBufferIds.size();
 161         return true;
 162     }
 163 };
 164
 165
 166 ALSource::ALSource(ALContext *context)
 167   : mContext(context), mId(0), mBuffer(0), mGroup(nullptr), mIsAsync(false),
 168     mDirectFilter(AL_FILTER_NULL)
 169 {
 170     resetProperties();
 171 }
 172
 173 ALSource::~ALSource()
 174 {
 175 }
 176
 177
 178 void ALSource::resetProperties()
 179 {
 180     if(mGroup)
 181         mGroup->removeSource(Source(this));
 182     mGroup = nullptr;
 183
 184     mPaused.store(false, std::memory_order_release);
 185     mOffset = 0;
 186     mPitch = 1.0f;
 187     mGain = 1.0f;
 188     mMinGain = 0.0f;
 189     mMaxGain = 1.0f;
 190     mRefDist = 1.0f;
 191     mMaxDist = std::numeric_limits<float>::max();
 192     mPosition = Vector3(0.0f);
 193     mVelocity = Vector3(0.0f);
 194     mDirection = Vector3(0.0f);
 195     mOrientation[0] = Vector3(0.0f, 0.0f, -1.0f);
 196     mOrientation[1] = Vector3(0.0f, 1.0f,  0.0f);
 197     mConeInnerAngle = 360.0f;
 198     mConeOuterAngle = 360.0f;
 199     mConeOuterGain = 0.0f;
 200     mConeOuterGainHF = 1.0f;
 201     mRolloffFactor = 1.0f;
 202     mRoomRolloffFactor = 0.0f;
 203     mDopplerFactor = 1.0f;
 204     mAirAbsorptionFactor = 0.0f;
 205     mRadius = 0.0f;
 206     mStereoAngles[0] =  F_PI / 6.0f;
 207     mStereoAngles[1] = -F_PI / 6.0f;
 208     mSpatialize = Spatialize::Auto;
 209     mResampler = mContext->hasExtension(SOFT_source_resampler) ?
 210                  alGetInteger(AL_DEFAULT_RESAMPLER_SOFT) : 0;
 211     mLooping = false;
 212     mRelative = false;
 213     mDryGainHFAuto = true;
 214     mWetGainAuto = true;
 215     mWetGainHFAuto = true;
 216     if(mDirectFilter)
 217         mContext->alDeleteFilters(1, &mDirectFilter);
 218     mDirectFilter = 0;
 219     for(auto &i : mEffectSlots)
 220     {
 221         if(i.second.mSlot)
 222             i.second.mSlot->removeSourceSend(Source(this), i.first);
 223         if(i.second.mFilter)
 224             mContext->alDeleteFilters(1, &i.second.mFilter);
 225     }
 226     mEffectSlots.clear();
 227
 228     mPriority = 0;
 229 }
 230
 231 void ALSource::applyProperties(bool looping, ALuint offset) const
 232 {
 233     alSourcei(mId, AL_LOOPING, looping ? AL_TRUE : AL_FALSE);
 234     alSourcei(mId, AL_SAMPLE_OFFSET, offset);
 235     if(mGroup)
 236     {
 237         alSourcef(mId, AL_PITCH, mPitch * mGroup->getAppliedPitch());
 238         alSourcef(mId, AL_GAIN, mGain * mGroup->getAppliedGain());
 239     }
 240     else
 241     {
 242         alSourcef(mId, AL_PITCH, mPitch);
 243         alSourcef(mId, AL_GAIN, mGain);
 244     }
 245     alSourcef(mId, AL_MIN_GAIN, mMinGain);
 246     alSourcef(mId, AL_MAX_GAIN, mMaxGain);
 247     alSourcef(mId, AL_REFERENCE_DISTANCE, mRefDist);
 248     alSourcef(mId, AL_MAX_DISTANCE, mMaxDist);
 249     alSourcefv(mId, AL_POSITION, mPosition.getPtr());
 250     alSourcefv(mId, AL_VELOCITY, mVelocity.getPtr());
 251     alSourcefv(mId, AL_DIRECTION, mDirection.getPtr());
 252     if(mContext->hasExtension(EXT_BFORMAT))
 253         alSourcefv(mId, AL_ORIENTATION, &mOrientation[0][0]);
 254     alSourcef(mId, AL_CONE_INNER_ANGLE, mConeInnerAngle);
 255     alSourcef(mId, AL_CONE_OUTER_ANGLE, mConeOuterAngle);
 256     alSourcef(mId, AL_CONE_OUTER_GAIN, mConeOuterGain);
 257     alSourcef(mId, AL_ROLLOFF_FACTOR, mRolloffFactor);
 258     alSourcef(mId, AL_DOPPLER_FACTOR, mDopplerFactor);
 259     if(mContext->hasExtension(EXT_SOURCE_RADIUS))
 260         alSourcef(mId, AL_SOURCE_RADIUS, mRadius);
 261     if(mContext->hasExtension(EXT_STEREO_ANGLES))
 262         alSourcefv(mId, AL_STEREO_ANGLES, mStereoAngles);
 263     if(mContext->hasExtension(SOFT_source_spatialize))
 264         alSourcei(mId, AL_SOURCE_SPATIALIZE_SOFT, (ALint)mSpatialize);
 265     if(mContext->hasExtension(SOFT_source_resampler))
 266         alSourcei(mId, AL_SOURCE_RESAMPLER_SOFT, mResampler);
 267     alSourcei(mId, AL_SOURCE_RELATIVE, mRelative ? AL_TRUE : AL_FALSE);
 268     if(mContext->hasExtension(EXT_EFX))
 269     {
 270         alSourcef(mId, AL_CONE_OUTER_GAINHF, mConeOuterGainHF);
 271         alSourcef(mId, AL_ROOM_ROLLOFF_FACTOR, mRoomRolloffFactor);
 272         alSourcef(mId, AL_AIR_ABSORPTION_FACTOR, mAirAbsorptionFactor);
 273         alSourcei(mId, AL_DIRECT_FILTER_GAINHF_AUTO, mDryGainHFAuto ? AL_TRUE : AL_FALSE);
 274         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAIN_AUTO, mWetGainAuto ? AL_TRUE : AL_FALSE);
 275         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO, mWetGainHFAuto ? AL_TRUE : AL_FALSE);
 276         alSourcei(mId, AL_DIRECT_FILTER, mDirectFilter);
 277         for(const auto &i : mEffectSlots)
 278         {
 279             ALuint slotid = (i.second.mSlot ? i.second.mSlot->getId() : 0);
 280             alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, i.first, i.second.mFilter);
 281         }
 282     }
 283 }
 284
 285
 286 void ALSource::setGroup(ALSourceGroup *group)
 287 {
 288     if(mGroup)
 289         mGroup->removeSource(Source(this));
 290     mGroup = group;
 291     groupUpdate();
 292 }
 293
 294 void ALSource::unsetGroup()
 295 {
 296     mGroup = nullptr;
 297     groupUpdate();
 298 }
 299
 300 void ALSource::groupUpdate()
 301 {
 302     if(mId)
 303     {
 304         if(mGroup)
 305         {
 306             alSourcef(mId, AL_PITCH, mPitch * mGroup->getAppliedPitch());
 307             alSourcef(mId, AL_GAIN, mGain * mGroup->getAppliedGain());
 308         }
 309         else
 310         {
 311             alSourcef(mId, AL_PITCH, mPitch);
 312             alSourcef(mId, AL_GAIN, mGain);
 313         }
 314     }
 315 }
 316
 317 void ALSource::groupPropUpdate(ALfloat gain, ALfloat pitch)
 318 {
 319     if(mId)
 320     {
 321         alSourcef(mId, AL_PITCH, mPitch * pitch);
 322         alSourcef(mId, AL_GAIN, mGain * gain);
 323     }
 324 }
 325
 326
 327 void ALSource::play(Buffer buffer)
 328 {
 329     ALBuffer *albuf = buffer.getHandle();
 330     if(!albuf) throw std::runtime_error("Buffer is not valid");
 331     CheckContext(mContext);
 332     CheckContext(albuf->getContext());
 333
 334     if(!albuf->isReady())
 335         throw std::runtime_error("Buffer is not ready");
 336
 337     if(mIsAsync.load(std::memory_order_acquire))
 338     {
 339         mContext->removeStream(this);
 340         mIsAsync.store(false, std::memory_order_release);
 341     }
 342
 343     if(mId == 0)
 344     {
 345         mId = mContext->getSourceId(mPriority);
 346         applyProperties(mLooping, (ALuint)std::min<uint64_t>(mOffset, std::numeric_limits<ALint>::max()));
 347     }
 348     else
 349     {
 350         alSourceRewind(mId);
 351         alSourcei(mId, AL_BUFFER, 0);
 352         alSourcei(mId, AL_LOOPING, mLooping ? AL_TRUE : AL_FALSE);
 353         alSourcei(mId, AL_SAMPLE_OFFSET, (ALuint)std::min<uint64_t>(mOffset, std::numeric_limits<ALint>::max()));
 354     }
 355     mOffset = 0;
 356
 357     mStream.reset();
 358
 359     if(mBuffer)
 360         mBuffer->removeSource(Source(this));
 361     mBuffer = albuf;
 362     mBuffer->addSource(Source(this));
 363
 364     alSourcei(mId, AL_BUFFER, mBuffer->getId());
 365     alSourcePlay(mId);
 366     mPaused.store(false, std::memory_order_release);
 367 }
 368
 369 void ALSource::play(SharedPtr<Decoder> decoder, ALuint updatelen, ALuint queuesize)
 370 {
 371     if(updatelen < 64)
 372         throw std::runtime_error("Update length out of range");
 373     if(queuesize < 2)
 374         throw std::runtime_error("Queue size out of range");
 375     CheckContext(mContext);
 376
 377     auto stream = MakeUnique<ALBufferStream>(decoder, updatelen, queuesize);
 378     stream->prepare();
 379
 380     if(mIsAsync.load(std::memory_order_acquire))
 381     {
 382         mContext->removeStream(this);
 383         mIsAsync.store(false, std::memory_order_release);
 384     }
 385
 386     if(mId == 0)
 387     {
 388         mId = mContext->getSourceId(mPriority);
 389         applyProperties(false, 0);
 390     }
 391     else
 392     {
 393         alSourceRewind(mId);
 394         alSourcei(mId, AL_BUFFER, 0);
 395         alSourcei(mId, AL_LOOPING, AL_FALSE);
 396         alSourcei(mId, AL_SAMPLE_OFFSET, 0);
 397     }
 398
 399     if(mBuffer)
 400         mBuffer->removeSource(Source(this));
 401     mBuffer = 0;
 402
 403     mStream = std::move(stream);
 404
 405     mStream->seek(mOffset);
 406     mOffset = 0;
 407
 408     for(ALuint i = 0;i < mStream->getNumUpdates();i++)
 409     {
 410         if(!mStream->streamMoreData(mId, mLooping))
 411             break;
 412     }
 413     alSourcePlay(mId);
 414     mPaused.store(false, std::memory_order_release);
 415
 416     mContext->addStream(this);
 417     mIsAsync.store(true, std::memory_order_release);
 418 }
 419
 420
 421 void ALSource::makeStopped()
 422 {
 423     if(mIsAsync.load(std::memory_order_acquire))
 424     {
 425         mContext->removeStreamNoLock(this);
 426         mIsAsync.store(false, std::memory_order_release);
 427     }
 428
 429     if(mId != 0)
 430     {
 431         alSourceRewind(mId);
 432         alSourcei(mId, AL_BUFFER, 0);
 433         if(mContext->hasExtension(EXT_EFX))
 434         {
 435             alSourcei(mId, AL_DIRECT_FILTER, AL_FILTER_NULL);
 436             for(auto &i : mEffectSlots)
 437                 alSource3i(mId, AL_AUXILIARY_SEND_FILTER, 0, i.first, AL_FILTER_NULL);
 438         }
 439         mContext->insertSourceId(mId);
 440         mId = 0;
 441     }
 442
 443     if(mBuffer)
 444         mBuffer->removeSource(Source(this));
 445     mBuffer = 0;
 446
 447     mStream.reset();
 448
 449     mPaused.store(false, std::memory_order_release);
 450 }
 451
 452 void ALSource::stop()
 453 {
 454     CheckContext(mContext);
 455     makeStopped();
 456 }
 457
 458
 459 void ALSource::checkPaused()
 460 {
 461     if(mPaused.load(std::memory_order_acquire) || mId == 0)
 462         return;
 463
 464     ALint state = -1;
 465     alGetSourcei(mId, AL_SOURCE_STATE, &state);
 466     // Streaming sources may be in a stopped state if underrun
 467     mPaused.store((state == AL_PAUSED) ||
 468                   (state == AL_STOPPED && mStream && mStream->hasMoreData()),
 469                   std::memory_order_release);
 470 }
 471
 472 void ALSource::pause()
 473 {
 474     CheckContext(mContext);
 475     if(mPaused.load(std::memory_order_acquire))
 476         return;
 477
 478     if(mId != 0)
 479     {
 480         std::lock_guard<std::mutex> lock(mMutex);
 481         alSourcePause(mId);
 482         ALint state = -1;
 483         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 484         // Streaming sources may be in a stopped state if underrun
 485         mPaused.store((state == AL_PAUSED) ||
 486                       (state == AL_STOPPED && mStream && mStream->hasMoreData()),
 487                       std::memory_order_release);
 488     }
 489 }
 490
 491 void ALSource::resume()
 492 {
 493     CheckContext(mContext);
 494     if(!mPaused.load(std::memory_order_acquire))
 495         return;
 496
 497     if(mId != 0)
 498         alSourcePlay(mId);
 499     mPaused.store(false, std::memory_order_release);
 500 }
 501
 502
 503 bool ALSource::isPlaying() const
 504 {
 505     CheckContext(mContext);
 506     if(mId == 0) return false;
 507
 508     ALint state = -1;
 509     alGetSourcei(mId, AL_SOURCE_STATE, &state);
 510     if(state == -1)
 511         throw std::runtime_error("Source state error");
 512
 513     return state == AL_PLAYING || (!mPaused.load(std::memory_order_acquire) &&
 514                                    mStream && mStream->hasMoreData());
 515 }
 516
 517 bool ALSource::isPaused() const
 518 {
 519     CheckContext(mContext);
 520     if(mId == 0) return false;
 521
 522     ALint state = -1;
 523     alGetSourcei(mId, AL_SOURCE_STATE, &state);
 524     if(state == -1)
 525         throw std::runtime_error("Source state error");
 526
 527     return state == AL_PAUSED || mPaused.load(std::memory_order_acquire);
 528 }
 529
 530
 531 ALint ALSource::refillBufferStream()
 532 {
 533     ALint processed;
 534     alGetSourcei(mId, AL_BUFFERS_PROCESSED, &processed);
 535     while(processed > 0)
 536     {
 537         ALuint buf;
 538         alSourceUnqueueBuffers(mId, 1, &buf);
 539         --processed;
 540     }
 541
 542     ALint queued;
 543     alGetSourcei(mId, AL_BUFFERS_QUEUED, &queued);
 544     for(;(ALuint)queued < mStream->getNumUpdates();queued++)
 545     {
 546         if(!mStream->streamMoreData(mId, mLooping))
 547             break;
 548     }
 549
 550     return queued;
 551 }
 552
 553
 554 void ALSource::update()
 555 {
 556     CheckContext(mContext);
 557     updateNoCtxCheck();
 558 }
 559
 560 void ALSource::updateNoCtxCheck()
 561 {
 562     if(mId == 0)
 563         return;
 564
 565     if(mStream)
 566     {
 567         if(!mIsAsync.load(std::memory_order_acquire))
 568         {
 569             stop();
 570             mContext->send(&MessageHandler::sourceStopped, Source(this));
 571         }
 572     }
 573     else
 574     {
 575         ALint state = -1;
 576         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 577         if(state != AL_PLAYING && state != AL_PAUSED)
 578         {
 579             stop();
 580             mContext->send(&MessageHandler::sourceStopped, Source(this));
 581         }
 582     }
 583 }
 584
 585 bool ALSource::updateAsync()
 586 {
 587     std::lock_guard<std::mutex> lock(mMutex);
 588
 589     ALint queued = refillBufferStream();
 590     if(queued == 0)
 591     {
 592         mIsAsync.store(false, std::memory_order_release);
 593         return false;
 594     }
 595     if(!mPaused.load(std::memory_order_acquire))
 596     {
 597         ALint state = -1;
 598         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 599         if(state != AL_PLAYING)
 600             alSourcePlay(mId);
 601     }
 602     return true;
 603 }
 604
 605
 606 void ALSource::setPriority(ALuint priority)
 607 {
 608     mPriority = priority;
 609 }
 610
 611
 612 void ALSource::setOffset(uint64_t offset)
 613 {
 614     CheckContext(mContext);
 615     if(mId == 0)
 616     {
 617         mOffset = offset;
 618         return;
 619     }
 620
 621     if(!mStream)
 622     {
 623         if(offset >= std::numeric_limits<ALint>::max())
 624             throw std::runtime_error("Offset out of range");
 625         alGetError();
 626         alSourcei(mId, AL_SAMPLE_OFFSET, (ALint)offset);
 627         if(alGetError() != AL_NO_ERROR)
 628             throw std::runtime_error("Offset out of range");
 629     }
 630     else
 631     {
 632         std::lock_guard<std::mutex> lock(mMutex);
 633         if(!mStream->seek(offset))
 634             throw std::runtime_error("Failed to seek to offset");
 635         alSourceRewind(mId);
 636         alSourcei(mId, AL_BUFFER, 0);
 637         ALint queued = refillBufferStream();
 638         if(queued > 0 && !mPaused)
 639             alSourcePlay(mId);
 640     }
 641 }
 642
 643 std::pair<uint64_t,std::chrono::nanoseconds> ALSource::getSampleOffsetLatency() const
 644 {
 645     CheckContext(mContext);
 646     if(mId == 0)
 647         return { 0, std::chrono::nanoseconds::zero() };
 648
 649     if(mStream)
 650     {
 651         std::lock_guard<std::mutex> lock(mMutex);
 652         ALint queued = 0, state = -1, srcpos = 0;
 653         std::chrono::nanoseconds latency(0);
 654
 655         alGetSourcei(mId, AL_BUFFERS_QUEUED, &queued);
 656         if(mContext->hasExtension(SOFT_source_latency))
 657         {
 658             ALint64SOFT val[2];
 659             mContext->alGetSourcei64vSOFT(mId, AL_SAMPLE_OFFSET_LATENCY_SOFT, val);
 660             srcpos = val[0]>>32;
 661             latency = std::chrono::nanoseconds(val[1]);
 662         }
 663         else
 664             alGetSourcei(mId, AL_SAMPLE_OFFSET, &srcpos);
 665         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 666
 667         int64_t streampos = mStream->getPosition();
 668         if(state != AL_STOPPED)
 669         {
 670             // The amount of samples in the queue waiting to play
 671             ALuint inqueue = queued*mStream->getUpdateLength() - srcpos;
 672             if(!mStream->hasLooped())
 673             {
 674                 // A non-looped stream should never have more samples queued
 675                 // than have been read...
 676                 streampos = std::max<int64_t>(streampos, inqueue) - inqueue;
 677             }
 678             else
 679             {
 680                 streampos -= inqueue;
 681                 int64_t looplen = mStream->getLoopEnd() - mStream->getLoopStart();
 682                 while(streampos < mStream->getLoopStart())
 683                     streampos += looplen;
 684             }
 685         }
 686
 687         return { streampos, latency };
 688     }
 689
 690     std::chrono::nanoseconds latency(0);
 691     ALint srcpos = 0;
 692     if(mContext->hasExtension(SOFT_source_latency))
 693     {
 694         ALint64SOFT val[2];
 695         mContext->alGetSourcei64vSOFT(mId, AL_SAMPLE_OFFSET_LATENCY_SOFT, val);
 696         srcpos = val[0]>>32;
 697         latency = std::chrono::nanoseconds(val[1]);
 698     }
 699     else
 700         alGetSourcei(mId, AL_SAMPLE_OFFSET, &srcpos);
 701     return { srcpos, latency };
 702 }
 703
 704 std::pair<Seconds,Seconds> ALSource::getSecOffsetLatency() const
 705 {
 706     CheckContext(mContext);
 707     if(mId == 0)
 708         return { Seconds::zero(), Seconds::zero() };
 709
 710     if(mStream)
 711     {
 712         std::lock_guard<std::mutex> lock(mMutex);
 713         ALint queued = 0, state = -1;
 714         ALdouble srcpos = 0;
 715         Seconds latency(0.0);
 716
 717         alGetSourcei(mId, AL_BUFFERS_QUEUED, &queued);
 718         if(mContext->hasExtension(SOFT_source_latency))
 719         {
 720             ALdouble val[2];
 721             mContext->alGetSourcedvSOFT(mId, AL_SEC_OFFSET_LATENCY_SOFT, val);
 722             srcpos = val[0];
 723             latency = Seconds(val[1]);
 724         }
 725         else
 726         {
 727             ALfloat f;
 728             alGetSourcef(mId, AL_SEC_OFFSET, &f);
 729             srcpos = f;
 730         }
 731         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 732
 733         ALdouble frac = 0.0;
 734         int64_t streampos = mStream->getPosition();
 735         if(state != AL_STOPPED)
 736         {
 737             srcpos *= mStream->getFrequency();
 738             frac = srcpos - std::floor(srcpos);
 739
 740             // The amount of samples in the queue waiting to play
 741             ALuint inqueue = queued*mStream->getUpdateLength() - (ALuint)std::ceil(srcpos);
 742             if(!mStream->hasLooped())
 743             {
 744                 // A non-looped stream should never have more samples queued
 745                 // than have been read...
 746                 streampos = std::max<int64_t>(streampos, inqueue) - inqueue;
 747             }
 748             else
 749             {
 750                 streampos -= inqueue;
 751                 int64_t looplen = mStream->getLoopEnd() - mStream->getLoopStart();
 752                 while(streampos < mStream->getLoopStart())
 753                     streampos += looplen;
 754             }
 755         }
 756
 757         return { Seconds((streampos+frac) / mStream->getFrequency()), latency };
 758     }
 759
 760     ALdouble srcpos = 0.0;
 761     Seconds latency(0.0);
 762     if(mContext->hasExtension(SOFT_source_latency))
 763     {
 764         ALdouble val[2];
 765         mContext->alGetSourcedvSOFT(mId, AL_SAMPLE_OFFSET_LATENCY_SOFT, val);
 766         srcpos = val[0];
 767         latency = Seconds(val[1]);
 768     }
 769     else
 770     {
 771         ALfloat f;
 772         alGetSourcef(mId, AL_SEC_OFFSET, &f);
 773         srcpos = f;
 774     }
 775     return { Seconds(srcpos), latency };
 776 }
 777
 778
 779 void ALSource::setLooping(bool looping)
 780 {
 781     CheckContext(mContext);
 782
 783     if(mId && !mStream)
 784         alSourcei(mId, AL_LOOPING, looping ? AL_TRUE : AL_FALSE);
 785     mLooping = looping;
 786 }
 787
 788
 789 void ALSource::setPitch(ALfloat pitch)
 790 {
 791     if(!(pitch > 0.0f))
 792         throw std::runtime_error("Pitch out of range");
 793     CheckContext(mContext);
 794     if(mId != 0)
 795         alSourcef(mId, AL_PITCH, pitch * (mGroup ? mGroup->getAppliedPitch() : 1.0f));
 796     mPitch = pitch;
 797 }
 798
 799
 800 void ALSource::setGain(ALfloat gain)
 801 {
 802     if(!(gain >= 0.0f))
 803         throw std::runtime_error("Gain out of range");
 804     CheckContext(mContext);
 805     if(mId != 0)
 806         alSourcef(mId, AL_GAIN, gain * (mGroup ? mGroup->getAppliedGain() : 1.0f));
 807     mGain = gain;
 808 }
 809
 810 void ALSource::setGainRange(ALfloat mingain, ALfloat maxgain)
 811 {
 812     if(!(mingain >= 0.0f && maxgain <= 1.0f && maxgain >= mingain))
 813         throw std::runtime_error("Gain range out of range");
 814     CheckContext(mContext);
 815     if(mId != 0)
 816     {
 817         alSourcef(mId, AL_MIN_GAIN, mingain);
 818         alSourcef(mId, AL_MAX_GAIN, maxgain);
 819     }
 820     mMinGain = mingain;
 821     mMaxGain = maxgain;
 822 }
 823
 824
 825 void ALSource::setDistanceRange(ALfloat refdist, ALfloat maxdist)
 826 {
 827     if(!(refdist >= 0.0f && maxdist <= std::numeric_limits<float>::max() && refdist <= maxdist))
 828         throw std::runtime_error("Distance range out of range");
 829     CheckContext(mContext);
 830     if(mId != 0)
 831     {
 832         alSourcef(mId, AL_REFERENCE_DISTANCE, refdist);
 833         alSourcef(mId, AL_MAX_DISTANCE, maxdist);
 834     }
 835     mRefDist = refdist;
 836     mMaxDist = maxdist;
 837 }
 838
 839
 840 void ALSource::setPosition(ALfloat x, ALfloat y, ALfloat z)
 841 {
 842     CheckContext(mContext);
 843     if(mId != 0)
 844         alSource3f(mId, AL_POSITION, x, y, z);
 845     mPosition[0] = x;
 846     mPosition[1] = y;
 847     mPosition[2] = z;
 848 }
 849
 850 void ALSource::setPosition(const ALfloat *pos)
 851 {
 852     CheckContext(mContext);
 853     if(mId != 0)
 854         alSourcefv(mId, AL_POSITION, pos);
 855     mPosition[0] = pos[0];
 856     mPosition[1] = pos[1];
 857     mPosition[2] = pos[2];
 858 }
 859
 860 void ALSource::setVelocity(ALfloat x, ALfloat y, ALfloat z)
 861 {
 862     CheckContext(mContext);
 863     if(mId != 0)
 864         alSource3f(mId, AL_VELOCITY, x, y, z);
 865     mVelocity[0] = x;
 866     mVelocity[1] = y;
 867     mVelocity[2] = z;
 868 }
 869
 870 void ALSource::setVelocity(const ALfloat *vel)
 871 {
 872     CheckContext(mContext);
 873     if(mId != 0)
 874         alSourcefv(mId, AL_VELOCITY, vel);
 875     mVelocity[0] = vel[0];
 876     mVelocity[1] = vel[1];
 877     mVelocity[2] = vel[2];
 878 }
 879
 880 void ALSource::setDirection(ALfloat x, ALfloat y, ALfloat z)
 881 {
 882     CheckContext(mContext);
 883     if(mId != 0)
 884         alSource3f(mId, AL_DIRECTION, x, y, z);
 885     mDirection[0] = x;
 886     mDirection[1] = y;
 887     mDirection[2] = z;
 888 }
 889
 890 void ALSource::setDirection(const ALfloat *dir)
 891 {
 892     CheckContext(mContext);
 893     if(mId != 0)
 894         alSourcefv(mId, AL_DIRECTION, dir);
 895     mDirection[0] = dir[0];
 896     mDirection[1] = dir[1];
 897     mDirection[2] = dir[2];
 898 }
 899
 900 void ALSource::setOrientation(ALfloat x1, ALfloat y1, ALfloat z1, ALfloat x2, ALfloat y2, ALfloat z2)
 901 {
 902     CheckContext(mContext);
 903     if(mId != 0)
 904     {
 905         ALfloat ori[6] = { x1, y1, z1, x2, y2, z2 };
 906         if(mContext->hasExtension(EXT_BFORMAT))
 907             alSourcefv(mId, AL_ORIENTATION, ori);
 908         alSourcefv(mId, AL_DIRECTION, ori);
 909     }
 910     mDirection[0] = mOrientation[0][0] = x1;
 911     mDirection[1] = mOrientation[0][1] = y1;
 912     mDirection[2] = mOrientation[0][2] = z1;
 913     mOrientation[1][0] = x2;
 914     mOrientation[1][1] = y2;
 915     mOrientation[1][2] = z2;
 916 }
 917
 918 void ALSource::setOrientation(const ALfloat *at, const ALfloat *up)
 919 {
 920     CheckContext(mContext);
 921     if(mId != 0)
 922     {
 923         ALfloat ori[6] = { at[0], at[1], at[2], up[0], up[1], up[2] };
 924         if(mContext->hasExtension(EXT_BFORMAT))
 925             alSourcefv(mId, AL_ORIENTATION, ori);
 926         alSourcefv(mId, AL_DIRECTION, ori);
 927     }
 928     mDirection[0] = mOrientation[0][0] = at[0];
 929     mDirection[1] = mOrientation[0][1] = at[1];
 930     mDirection[2] = mOrientation[0][2] = at[2];
 931     mOrientation[1][0] = up[0];
 932     mOrientation[1][1] = up[1];
 933     mOrientation[1][2] = up[2];
 934 }
 935
 936 void ALSource::setOrientation(const ALfloat *ori)
 937 {
 938     CheckContext(mContext);
 939     if(mId != 0)
 940     {
 941         if(mContext->hasExtension(EXT_BFORMAT))
 942             alSourcefv(mId, AL_ORIENTATION, ori);
 943         alSourcefv(mId, AL_DIRECTION, ori);
 944     }
 945     mDirection[0] = mOrientation[0][0] = ori[0];
 946     mDirection[1] = mOrientation[0][1] = ori[1];
 947     mDirection[2] = mOrientation[0][2] = ori[2];
 948     mOrientation[1][0] = ori[3];
 949     mOrientation[1][1] = ori[4];
 950     mOrientation[1][2] = ori[5];
 951 }
 952
 953
 954 void ALSource::setConeAngles(ALfloat inner, ALfloat outer)
 955 {
 956     if(!(inner >= 0.0f && outer <= 360.0f && outer >= inner))
 957         throw std::runtime_error("Cone angles out of range");
 958     CheckContext(mContext);
 959     if(mId != 0)
 960     {
 961         alSourcef(mId, AL_CONE_INNER_ANGLE, inner);
 962         alSourcef(mId, AL_CONE_OUTER_ANGLE, outer);
 963     }
 964     mConeInnerAngle = inner;
 965     mConeOuterAngle = outer;
 966 }
 967
 968 void ALSource::setOuterConeGains(ALfloat gain, ALfloat gainhf)
 969 {
 970     if(!(gain >= 0.0f && gain <= 1.0f && gainhf >= 0.0f && gainhf <= 1.0f))
 971         throw std::runtime_error("Outer cone gain out of range");
 972     CheckContext(mContext);
 973     if(mId != 0)
 974     {
 975         alSourcef(mId, AL_CONE_OUTER_GAIN, gain);
 976         if(mContext->hasExtension(EXT_EFX))
 977             alSourcef(mId, AL_CONE_OUTER_GAINHF, gainhf);
 978     }
 979     mConeOuterGain = gain;
 980     mConeOuterGainHF = gainhf;
 981 }
 982
 983
 984 void ALSource::setRolloffFactors(ALfloat factor, ALfloat roomfactor)
 985 {
 986     if(!(factor >= 0.0f && roomfactor >= 0.0f))
 987         throw std::runtime_error("Rolloff factor out of range");
 988     CheckContext(mContext);
 989     if(mId != 0)
 990     {
 991         alSourcef(mId, AL_ROLLOFF_FACTOR, factor);
 992         if(mContext->hasExtension(EXT_EFX))
 993             alSourcef(mId, AL_ROOM_ROLLOFF_FACTOR, roomfactor);
 994     }
 995     mRolloffFactor = factor;
 996     mRoomRolloffFactor = roomfactor;
 997 }
 998
 999 void ALSource::setDopplerFactor(ALfloat factor)
1000 {
1001     if(!(factor >= 0.0f && factor <= 1.0f))
1002         throw std::runtime_error("Doppler factor out of range");
1003     CheckContext(mContext);
1004     if(mId != 0)
1005         alSourcef(mId, AL_DOPPLER_FACTOR, factor);
1006     mDopplerFactor = factor;
1007 }
1008
1009 void ALSource::setAirAbsorptionFactor(ALfloat factor)
1010 {
1011     if(!(factor >= 0.0f && factor <= 10.0f))
1012         throw std::runtime_error("Absorption factor out of range");
1013     CheckContext(mContext);
1014     if(mId != 0 && mContext->hasExtension(EXT_EFX))
1015         alSourcef(mId, AL_AIR_ABSORPTION_FACTOR, factor);
1016     mAirAbsorptionFactor = factor;
1017 }
1018
1019 void ALSource::setRadius(ALfloat radius)
1020 {
1021     if(!(mRadius >= 0.0f))
1022         throw std::runtime_error("Radius out of range");
1023     CheckContext(mContext);
1024     if(mId != 0 && mContext->hasExtension(EXT_SOURCE_RADIUS))
1025         alSourcef(mId, AL_SOURCE_RADIUS, radius);
1026     mRadius = radius;
1027 }
1028
1029 void ALSource::setStereoAngles(ALfloat leftAngle, ALfloat rightAngle)
1030 {
1031     CheckContext(mContext);
1032     if(mId != 0 && mContext->hasExtension(EXT_STEREO_ANGLES))
1033     {
1034         ALfloat angles[2] = { leftAngle, rightAngle };
1035         alSourcefv(mId, AL_STEREO_ANGLES, angles);
1036     }
1037     mStereoAngles[0] = leftAngle;
1038     mStereoAngles[1] = rightAngle;
1039 }
1040
1041 void ALSource::set3DSpatialize(Spatialize spatialize)
1042 {
1043     CheckContext(mContext);
1044     if(mId != 0 && mContext->hasExtension(SOFT_source_spatialize))
1045         alSourcei(mId, AL_SOURCE_SPATIALIZE_SOFT, (ALint)spatialize);
1046     mSpatialize = spatialize;
1047 }
1048
1049 void ALSource::setResamplerIndex(ALsizei index)
1050 {
1051     if(index < 0)
1052         throw std::runtime_error("Resampler index out of range");
1053     index = std::min<ALsizei>(index, mContext->getAvailableResamplers().size());
1054     if(mId != 0 && mContext->hasExtension(SOFT_source_resampler))
1055         alSourcei(mId, AL_SOURCE_RESAMPLER_SOFT, index);
1056     mResampler = index;
1057 }
1058
1059 void ALSource::setRelative(bool relative)
1060 {
1061     CheckContext(mContext);
1062     if(mId != 0)
1063         alSourcei(mId, AL_SOURCE_RELATIVE, relative ? AL_TRUE : AL_FALSE);
1064     mRelative = relative;
1065 }
1066
1067 void ALSource::setGainAuto(bool directhf, bool send, bool sendhf)
1068 {
1069     CheckContext(mContext);
1070     if(mId != 0 && mContext->hasExtension(EXT_EFX))
1071     {
1072         alSourcei(mId, AL_DIRECT_FILTER_GAINHF_AUTO, directhf ? AL_TRUE : AL_FALSE);
1073         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAIN_AUTO, send ? AL_TRUE : AL_FALSE);
1074         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO, sendhf ? AL_TRUE : AL_FALSE);
1075     }
1076     mDryGainHFAuto = directhf;
1077     mWetGainAuto = send;
1078     mWetGainHFAuto = sendhf;
1079 }
1080
1081
1082 void ALSource::setFilterParams(ALuint &filterid, const FilterParams &params)
1083 {
1084     if(!mContext->hasExtension(EXT_EFX))
1085         return;
1086
1087     if(!(params.mGain < 1.0f || params.mGainHF < 1.0f || params.mGainLF < 1.0f))
1088     {
1089         if(filterid)
1090             mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_NULL);
1091         return;
1092     }
1093
1094     alGetError();
1095     if(!filterid)
1096     {
1097         mContext->alGenFilters(1, &filterid);
1098         if(alGetError() != AL_NO_ERROR)
1099             throw std::runtime_error("Failed to create Filter");
1100     }
1101     bool filterset = false;
1102     if(params.mGainHF < 1.0f && params.mGainLF < 1.0f)
1103     {
1104         mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_BANDPASS);
1105         if(alGetError() == AL_NO_ERROR)
1106         {
1107             mContext->alFilterf(filterid, AL_BANDPASS_GAIN, std::min<ALfloat>(params.mGain, 1.0f));
1108             mContext->alFilterf(filterid, AL_BANDPASS_GAINHF, std::min<ALfloat>(params.mGainHF, 1.0f));
1109             mContext->alFilterf(filterid, AL_BANDPASS_GAINLF, std::min<ALfloat>(params.mGainLF, 1.0f));
1110             filterset = true;
1111         }
1112     }
1113     if(!filterset && !(params.mGainHF < 1.0f) && params.mGainLF < 1.0f)
1114     {
1115         mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_HIGHPASS);
1116         if(alGetError() == AL_NO_ERROR)
1117         {
1118             mContext->alFilterf(filterid, AL_HIGHPASS_GAIN, std::min<ALfloat>(params.mGain, 1.0f));
1119             mContext->alFilterf(filterid, AL_HIGHPASS_GAINLF, std::min<ALfloat>(params.mGainLF, 1.0f));
1120             filterset = true;
1121         }
1122     }
1123     if(!filterset)
1124     {
1125         mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_LOWPASS);
1126         if(alGetError() == AL_NO_ERROR)
1127         {
1128             mContext->alFilterf(filterid, AL_LOWPASS_GAIN, std::min<ALfloat>(params.mGain, 1.0f));
1129             mContext->alFilterf(filterid, AL_LOWPASS_GAINHF, std::min<ALfloat>(params.mGainHF, 1.0f));
1130             filterset = true;
1131         }
1132     }
1133 }
1134
1135
1136 void ALSource::setDirectFilter(const FilterParams &filter)
1137 {
1138     if(!(filter.mGain >= 0.0f && filter.mGainHF >= 0.0f && filter.mGainLF >= 0.0f))
1139         throw std::runtime_error("Gain value out of range");
1140     CheckContext(mContext);
1141
1142     setFilterParams(mDirectFilter, filter);
1143     if(mId)
1144         alSourcei(mId, AL_DIRECT_FILTER, mDirectFilter);
1145 }
1146
1147 void ALSource::setSendFilter(ALuint send, const FilterParams &filter)
1148 {
1149     if(!(filter.mGain >= 0.0f && filter.mGainHF >= 0.0f && filter.mGainLF >= 0.0f))
1150         throw std::runtime_error("Gain value out of range");
1151     CheckContext(mContext);
1152
1153     SendPropMap::iterator siter = mEffectSlots.find(send);
1154     if(siter == mEffectSlots.end())
1155     {
1156         ALuint filterid = 0;
1157
1158         setFilterParams(filterid, filter);
1159         if(!filterid) return;
1160
1161         siter = mEffectSlots.insert(std::make_pair(send, SendProps(filterid))).first;
1162     }
1163     else
1164         setFilterParams(siter->second.mFilter, filter);
1165
1166     if(mId)
1167     {
1168         ALuint slotid = (siter->second.mSlot ? siter->second.mSlot->getId() : 0);
1169         alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, send, siter->second.mFilter);
1170     }
1171 }
1172
1173 void ALSource::setAuxiliarySend(AuxiliaryEffectSlot auxslot, ALuint send)
1174 {
1175     ALAuxiliaryEffectSlot *slot = auxslot.getHandle();
1176     if(slot) CheckContext(slot->getContext());
1177     CheckContext(mContext);
1178
1179     SendPropMap::iterator siter = mEffectSlots.find(send);
1180     if(siter == mEffectSlots.end())
1181     {
1182         if(!slot) return;
1183         slot->addSourceSend(Source(this), send);
1184         siter = mEffectSlots.insert(std::make_pair(send, SendProps(slot))).first;
1185     }
1186     else if(siter->second.mSlot != slot)
1187     {
1188         if(slot) slot->addSourceSend(Source(this), send);
1189         if(siter->second.mSlot)
1190             siter->second.mSlot->removeSourceSend(Source(this), send);
1191         siter->second.mSlot = slot;
1192     }
1193
1194     if(mId)
1195     {
1196         ALuint slotid = (siter->second.mSlot ? siter->second.mSlot->getId() : 0);
1197         alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, send, siter->second.mFilter);
1198     }
1199 }
1200
1201 void ALSource::setAuxiliarySendFilter(AuxiliaryEffectSlot auxslot, ALuint send, const FilterParams &filter)
1202 {
1203     if(!(filter.mGain >= 0.0f && filter.mGainHF >= 0.0f && filter.mGainLF >= 0.0f))
1204         throw std::runtime_error("Gain value out of range");
1205     ALAuxiliaryEffectSlot *slot = auxslot.getHandle();
1206     if(slot) CheckContext(slot->getContext());
1207     CheckContext(mContext);
1208
1209     SendPropMap::iterator siter = mEffectSlots.find(send);
1210     if(siter == mEffectSlots.end())
1211     {
1212         ALuint filterid = 0;
1213
1214         setFilterParams(filterid, filter);
1215         if(!filterid && !slot)
1216             return;
1217
1218         if(slot) slot->addSourceSend(Source(this), send);
1219         siter = mEffectSlots.insert(std::make_pair(send, SendProps(slot, filterid))).first;
1220     }
1221     else
1222     {
1223         if(siter->second.mSlot != slot)
1224         {
1225             if(slot) slot->addSourceSend(Source(this), send);
1226             if(siter->second.mSlot)
1227                 siter->second.mSlot->removeSourceSend(Source(this), send);
1228             siter->second.mSlot = slot;
1229         }
1230         setFilterParams(siter->second.mFilter, filter);
1231     }
1232
1233     if(mId)
1234     {
1235         ALuint slotid = (siter->second.mSlot ? siter->second.mSlot->getId() : 0);
1236         alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, send, siter->second.mFilter);
1237     }
1238 }
1239
1240
1241 void ALSource::release()
1242 {
1243     CheckContext(mContext);
1244
1245     if(mIsAsync.load(std::memory_order_acquire))
1246     {
1247         mContext->removeStream(this);
1248         mIsAsync.store(false, std::memory_order_release);
1249     }
1250
1251     if(mId != 0)
1252     {
1253         alSourceRewind(mId);
1254         alSourcei(mId, AL_BUFFER, 0);
1255         if(mContext->hasExtension(EXT_EFX))
1256         {
1257             alSourcei(mId, AL_DIRECT_FILTER, AL_FILTER_NULL);
1258             for(auto &i : mEffectSlots)
1259                 alSource3i(mId, AL_AUXILIARY_SEND_FILTER, 0, i.first, AL_FILTER_NULL);
1260         }
1261         mContext->insertSourceId(mId);
1262         mId = 0;
1263     }
1264
1265     mContext->freeSource(this);
1266
1267     if(mDirectFilter)
1268         mContext->alDeleteFilters(1, &mDirectFilter);
1269     mDirectFilter = AL_FILTER_NULL;
1270
1271     for(auto &i : mEffectSlots)
1272     {
1273         if(i.second.mSlot)
1274             i.second.mSlot->removeSourceSend(Source(this), i.first);
1275         if(i.second.mFilter)
1276             mContext->alDeleteFilters(1, &i.second.mFilter);
1277     }
1278     mEffectSlots.clear();
1279
1280     if(mBuffer)
1281         mBuffer->removeSource(Source(this));
1282     mBuffer = 0;
1283
1284     mStream.reset();
1285
1286     resetProperties();
1287 }
1288
1289
1290 // Need to use these to avoid extraneous commas in macro parameter lists
1291 using UInt64NSecPair = std::pair<uint64_t,std::chrono::nanoseconds>;
1292 using SecondsPair = std::pair<Seconds,Seconds>;
1293 using ALfloatPair = std::pair<ALfloat,ALfloat>;
1294 using Vector3Pair = std::pair<Vector3,Vector3>;
1295 using BoolTriple = std::tuple<bool,bool,bool>;
1296
1297 DECL_THUNK1(void, Source, play,, Buffer)
1298 DECL_THUNK3(void, Source, play,, SharedPtr<Decoder>, ALuint, ALuint)
1299 DECL_THUNK0(void, Source, stop,)
1300 DECL_THUNK0(void, Source, pause,)
1301 DECL_THUNK0(void, Source, resume,)
1302 DECL_THUNK0(bool, Source, isPlaying, const)
1303 DECL_THUNK0(bool, Source, isPaused, const)
1304 DECL_THUNK1(void, Source, setPriority,, ALuint)
1305 DECL_THUNK0(ALuint, Source, getPriority, const)
1306 DECL_THUNK1(void, Source, setOffset,, uint64_t)
1307 DECL_THUNK0(UInt64NSecPair, Source, getSampleOffsetLatency, const)
1308 DECL_THUNK0(SecondsPair, Source, getSecOffsetLatency, const)
1309 DECL_THUNK1(void, Source, setLooping,, bool)
1310 DECL_THUNK0(bool, Source, getLooping, const)
1311 DECL_THUNK1(void, Source, setPitch,, ALfloat)
1312 DECL_THUNK0(ALfloat, Source, getPitch, const)
1313 DECL_THUNK1(void, Source, setGain,, ALfloat)
1314 DECL_THUNK0(ALfloat, Source, getGain, const)
1315 DECL_THUNK2(void, Source, setGainRange,, ALfloat, ALfloat)
1316 DECL_THUNK0(ALfloatPair, Source, getGainRange, const)
1317 DECL_THUNK2(void, Source, setDistanceRange,, ALfloat, ALfloat)
1318 DECL_THUNK0(ALfloatPair, Source, getDistanceRange, const)
1319 DECL_THUNK3(void, Source, setPosition,, ALfloat, ALfloat, ALfloat)
1320 DECL_THUNK1(void, Source, setPosition,, const ALfloat*)
1321 DECL_THUNK0(Vector3, Source, getPosition, const)
1322 DECL_THUNK3(void, Source, setVelocity,, ALfloat, ALfloat, ALfloat)
1323 DECL_THUNK1(void, Source, setVelocity,, const ALfloat*)
1324 DECL_THUNK0(Vector3, Source, getVelocity, const)
1325 DECL_THUNK3(void, Source, setDirection,, ALfloat, ALfloat, ALfloat)
1326 DECL_THUNK1(void, Source, setDirection,, const ALfloat*)
1327 DECL_THUNK0(Vector3, Source, getDirection, const)
1328 DECL_THUNK6(void, Source, setOrientation,, ALfloat, ALfloat, ALfloat, ALfloat, ALfloat, ALfloat)
1329 DECL_THUNK2(void, Source, setOrientation,, const ALfloat*, const ALfloat*)
1330 DECL_THUNK1(void, Source, setOrientation,, const ALfloat*)
1331 DECL_THUNK0(Vector3Pair, Source, getOrientation, const)
1332 DECL_THUNK2(void, Source, setConeAngles,, ALfloat, ALfloat)
1333 DECL_THUNK0(ALfloatPair, Source, getConeAngles, const)
1334 DECL_THUNK2(void, Source, setOuterConeGains,, ALfloat, ALfloat)
1335 DECL_THUNK0(ALfloatPair, Source, getOuterConeGains, const)
1336 DECL_THUNK2(void, Source, setRolloffFactors,, ALfloat, ALfloat)
1337 DECL_THUNK0(ALfloatPair, Source, getRolloffFactors, const)
1338 DECL_THUNK1(void, Source, setDopplerFactor,, ALfloat)
1339 DECL_THUNK0(ALfloat, Source, getDopplerFactor, const)
1340 DECL_THUNK1(void, Source, setRelative,, bool)
1341 DECL_THUNK0(bool, Source, getRelative, const)
1342 DECL_THUNK1(void, Source, setRadius,, ALfloat)
1343 DECL_THUNK0(ALfloat, Source, getRadius, const)
1344 DECL_THUNK2(void, Source, setStereoAngles,, ALfloat, ALfloat)
1345 DECL_THUNK0(ALfloatPair, Source, getStereoAngles, const)
1346 DECL_THUNK1(void, Source, set3DSpatialize,, Spatialize)
1347 DECL_THUNK0(Spatialize, Source, get3DSpatialize, const)
1348 DECL_THUNK1(void, Source, setResamplerIndex,, ALsizei)
1349 DECL_THUNK0(ALsizei, Source, getResamplerIndex, const)
1350 DECL_THUNK1(void, Source, setAirAbsorptionFactor,, ALfloat)
1351 DECL_THUNK0(ALfloat, Source, getAirAbsorptionFactor, const)
1352 DECL_THUNK3(void, Source, setGainAuto,, bool, bool, bool)
1353 DECL_THUNK0(BoolTriple, Source, getGainAuto, const)
1354 DECL_THUNK1(void, Source, setDirectFilter,, const FilterParams&)
1355 DECL_THUNK2(void, Source, setSendFilter,, ALuint, const FilterParams&)
1356 DECL_THUNK2(void, Source, setAuxiliarySend,, AuxiliaryEffectSlot, ALuint)
1357 DECL_THUNK3(void, Source, setAuxiliarySendFilter,, AuxiliaryEffectSlot, ALuint, const FilterParams&)
1358 DECL_THUNK0(void, Source, update,)
1359 void Source::release()
1360 {
1361     pImpl->release();
1362     pImpl = nullptr;
1363 }
1364
1365 }