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     uint64_t mSamplePos;
  41     std::pair<uint64_t,uint64_t> mLoopPts;
  42     bool mHasLooped;
  43     std::atomic<bool> mDone;
  44
  45 public:
  46     ALBufferStream(SharedPtr<Decoder> decoder, ALuint updatelen, ALuint numupdates)
  47       : mDecoder(decoder), mUpdateLen(updatelen), mNumUpdates(numupdates),
  48         mFormat(AL_NONE), mFrequency(0), mFrameSize(0), mSilence(0),
  49         mCurrentIdx(0), mSamplePos(0), mLoopPts{0,0}, mHasLooped(false),
  50         mDone(false)
  51     { }
  52     ~ALBufferStream()
  53     {
  54         if(!mBufferIds.empty())
  55         {
  56             alDeleteBuffers(mBufferIds.size(), mBufferIds.data());
  57             mBufferIds.clear();
  58         }
  59     }
  60
  61     uint64_t getLength() const { return mDecoder->getLength(); }
  62     uint64_t getPosition() const { return mSamplePos; }
  63
  64     ALuint getNumUpdates() const { return mNumUpdates; }
  65     ALuint getUpdateLength() const { return mUpdateLen; }
  66
  67     ALuint getFrequency() const { return mFrequency; }
  68
  69     bool seek(uint64_t pos)
  70     {
  71         if(!mDecoder->seek(pos))
  72             return false;
  73         mSamplePos = pos;
  74         mHasLooped = false;
  75         mDone.store(false, std::memory_order_release);
  76         return true;
  77     }
  78
  79     void prepare()
  80     {
  81         ALuint srate = mDecoder->getFrequency();
  82         ChannelConfig chans = mDecoder->getChannelConfig();
  83         SampleType type = mDecoder->getSampleType();
  84
  85         mLoopPts = mDecoder->getLoopPoints();
  86         if(mLoopPts.first >= mLoopPts.second)
  87         {
  88             mLoopPts.first = 0;
  89             mLoopPts.second = std::numeric_limits<uint64_t>::max();
  90         }
  91
  92         mFrequency = srate;
  93         mFrameSize = FramesToBytes(1, chans, type);
  94         mFormat = GetFormat(chans, type);
  95         if(mFormat == AL_NONE)
  96         {
  97             std::stringstream sstr;
  98             sstr<< "Format not supported ("<<GetSampleTypeName(type)<<", "<<GetChannelConfigName(chans)<<")";
  99             throw std::runtime_error(sstr.str());
 100         }
 101
 102         mData.resize(mUpdateLen * mFrameSize);
 103         if(type == SampleType::UInt8) mSilence = 0x80;
 104         else if(type == SampleType::Mulaw) mSilence = 0x7f;
 105         else mSilence = 0x00;
 106
 107         mBufferIds.assign(mNumUpdates, 0);
 108         alGenBuffers(mBufferIds.size(), mBufferIds.data());
 109     }
 110
 111     int64_t getLoopStart() const { return mLoopPts.first; }
 112     int64_t getLoopEnd() const { return mLoopPts.second; }
 113
 114     bool hasLooped() const { return mHasLooped; }
 115     bool hasMoreData() const { return !mDone.load(std::memory_order_acquire); }
 116     bool streamMoreData(ALuint srcid, bool loop)
 117     {
 118         if(mDone.load(std::memory_order_acquire))
 119             return false;
 120
 121         ALuint frames;
 122         ALuint len = mUpdateLen;
 123         if(loop && mSamplePos <= mLoopPts.second)
 124             len = std::min<uint64_t>(len, mLoopPts.second - mSamplePos);
 125         else
 126             loop = false;
 127
 128         frames = mDecoder->read(mData.data(), len);
 129         mSamplePos += frames;
 130         if(frames < mUpdateLen && loop && mSamplePos > 0)
 131         {
 132             if(mSamplePos < mLoopPts.second)
 133             {
 134                 mLoopPts.second = mSamplePos;
 135                 mLoopPts.first = std::min(mLoopPts.first, mLoopPts.second-1);
 136             }
 137
 138             do {
 139                 if(!mDecoder->seek(mLoopPts.first))
 140                     break;
 141                 mSamplePos = mLoopPts.first;
 142                 mHasLooped = true;
 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                 mSamplePos += got;
 148                 frames += got;
 149             } while(frames < mUpdateLen);
 150         }
 151         if(frames < mUpdateLen)
 152         {
 153             mDone.store(true, std::memory_order_release);
 154             if(frames == 0) return false;
 155             mSamplePos += mUpdateLen - frames;
 156             std::fill(mData.begin() + frames*mFrameSize, mData.end(), mSilence);
 157         }
 158
 159         alBufferData(mBufferIds[mCurrentIdx], mFormat, mData.data(), mData.size(), mFrequency);
 160         alSourceQueueBuffers(srcid, 1, &mBufferIds[mCurrentIdx]);
 161         mCurrentIdx = (mCurrentIdx+1) % mBufferIds.size();
 162         return true;
 163     }
 164 };
 165
 166
 167 SourceImpl::SourceImpl(ContextImpl *context)
 168   : mContext(context), mId(0), mBuffer(0), mGroup(nullptr), mIsAsync(false),
 169     mDirectFilter(AL_FILTER_NULL)
 170 {
 171     resetProperties();
 172 }
 173
 174 SourceImpl::~SourceImpl()
 175 {
 176 }
 177
 178
 179 void SourceImpl::resetProperties()
 180 {
 181     if(mGroup)
 182         mGroup->removeSource(Source(this));
 183     mGroup = nullptr;
 184
 185     mPaused.store(false, std::memory_order_release);
 186     mOffset = 0;
 187     mPitch = 1.0f;
 188     mGain = 1.0f;
 189     mMinGain = 0.0f;
 190     mMaxGain = 1.0f;
 191     mRefDist = 1.0f;
 192     mMaxDist = std::numeric_limits<float>::max();
 193     mPosition = Vector3(0.0f);
 194     mVelocity = Vector3(0.0f);
 195     mDirection = Vector3(0.0f);
 196     mOrientation[0] = Vector3(0.0f, 0.0f, -1.0f);
 197     mOrientation[1] = Vector3(0.0f, 1.0f,  0.0f);
 198     mConeInnerAngle = 360.0f;
 199     mConeOuterAngle = 360.0f;
 200     mConeOuterGain = 0.0f;
 201     mConeOuterGainHF = 1.0f;
 202     mRolloffFactor = 1.0f;
 203     mRoomRolloffFactor = 0.0f;
 204     mDopplerFactor = 1.0f;
 205     mAirAbsorptionFactor = 0.0f;
 206     mRadius = 0.0f;
 207     mStereoAngles[0] =  F_PI / 6.0f;
 208     mStereoAngles[1] = -F_PI / 6.0f;
 209     mSpatialize = Spatialize::Auto;
 210     mResampler = mContext->hasExtension(SOFT_source_resampler) ?
 211                  alGetInteger(AL_DEFAULT_RESAMPLER_SOFT) : 0;
 212     mLooping = false;
 213     mRelative = false;
 214     mDryGainHFAuto = true;
 215     mWetGainAuto = true;
 216     mWetGainHFAuto = true;
 217     if(mDirectFilter)
 218         mContext->alDeleteFilters(1, &mDirectFilter);
 219     mDirectFilter = 0;
 220     for(auto &i : mEffectSlots)
 221     {
 222         if(i.second.mSlot)
 223             i.second.mSlot->removeSourceSend(Source(this), i.first);
 224         if(i.second.mFilter)
 225             mContext->alDeleteFilters(1, &i.second.mFilter);
 226     }
 227     mEffectSlots.clear();
 228
 229     mPriority = 0;
 230 }
 231
 232 void SourceImpl::applyProperties(bool looping, ALuint offset) const
 233 {
 234     alSourcei(mId, AL_LOOPING, looping ? AL_TRUE : AL_FALSE);
 235     alSourcei(mId, AL_SAMPLE_OFFSET, offset);
 236     if(mGroup)
 237     {
 238         alSourcef(mId, AL_PITCH, mPitch * mGroup->getAppliedPitch());
 239         alSourcef(mId, AL_GAIN, mGain * mGroup->getAppliedGain());
 240     }
 241     else
 242     {
 243         alSourcef(mId, AL_PITCH, mPitch);
 244         alSourcef(mId, AL_GAIN, mGain);
 245     }
 246     alSourcef(mId, AL_MIN_GAIN, mMinGain);
 247     alSourcef(mId, AL_MAX_GAIN, mMaxGain);
 248     alSourcef(mId, AL_REFERENCE_DISTANCE, mRefDist);
 249     alSourcef(mId, AL_MAX_DISTANCE, mMaxDist);
 250     alSourcefv(mId, AL_POSITION, mPosition.getPtr());
 251     alSourcefv(mId, AL_VELOCITY, mVelocity.getPtr());
 252     alSourcefv(mId, AL_DIRECTION, mDirection.getPtr());
 253     if(mContext->hasExtension(EXT_BFORMAT))
 254         alSourcefv(mId, AL_ORIENTATION, &mOrientation[0][0]);
 255     alSourcef(mId, AL_CONE_INNER_ANGLE, mConeInnerAngle);
 256     alSourcef(mId, AL_CONE_OUTER_ANGLE, mConeOuterAngle);
 257     alSourcef(mId, AL_CONE_OUTER_GAIN, mConeOuterGain);
 258     alSourcef(mId, AL_ROLLOFF_FACTOR, mRolloffFactor);
 259     alSourcef(mId, AL_DOPPLER_FACTOR, mDopplerFactor);
 260     if(mContext->hasExtension(EXT_SOURCE_RADIUS))
 261         alSourcef(mId, AL_SOURCE_RADIUS, mRadius);
 262     if(mContext->hasExtension(EXT_STEREO_ANGLES))
 263         alSourcefv(mId, AL_STEREO_ANGLES, mStereoAngles);
 264     if(mContext->hasExtension(SOFT_source_spatialize))
 265         alSourcei(mId, AL_SOURCE_SPATIALIZE_SOFT, (ALint)mSpatialize);
 266     if(mContext->hasExtension(SOFT_source_resampler))
 267         alSourcei(mId, AL_SOURCE_RESAMPLER_SOFT, mResampler);
 268     alSourcei(mId, AL_SOURCE_RELATIVE, mRelative ? AL_TRUE : AL_FALSE);
 269     if(mContext->hasExtension(EXT_EFX))
 270     {
 271         alSourcef(mId, AL_CONE_OUTER_GAINHF, mConeOuterGainHF);
 272         alSourcef(mId, AL_ROOM_ROLLOFF_FACTOR, mRoomRolloffFactor);
 273         alSourcef(mId, AL_AIR_ABSORPTION_FACTOR, mAirAbsorptionFactor);
 274         alSourcei(mId, AL_DIRECT_FILTER_GAINHF_AUTO, mDryGainHFAuto ? AL_TRUE : AL_FALSE);
 275         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAIN_AUTO, mWetGainAuto ? AL_TRUE : AL_FALSE);
 276         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO, mWetGainHFAuto ? AL_TRUE : AL_FALSE);
 277         alSourcei(mId, AL_DIRECT_FILTER, mDirectFilter);
 278         for(const auto &i : mEffectSlots)
 279         {
 280             ALuint slotid = (i.second.mSlot ? i.second.mSlot->getId() : 0);
 281             alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, i.first, i.second.mFilter);
 282         }
 283     }
 284 }
 285
 286
 287 void SourceImpl::setGroup(SourceGroupImpl *group)
 288 {
 289     if(mGroup)
 290         mGroup->removeSource(Source(this));
 291     mGroup = group;
 292     groupUpdate();
 293 }
 294
 295 void SourceImpl::unsetGroup()
 296 {
 297     mGroup = nullptr;
 298     groupUpdate();
 299 }
 300
 301 void SourceImpl::groupUpdate()
 302 {
 303     if(mId)
 304     {
 305         if(mGroup)
 306         {
 307             alSourcef(mId, AL_PITCH, mPitch * mGroup->getAppliedPitch());
 308             alSourcef(mId, AL_GAIN, mGain * mGroup->getAppliedGain());
 309         }
 310         else
 311         {
 312             alSourcef(mId, AL_PITCH, mPitch);
 313             alSourcef(mId, AL_GAIN, mGain);
 314         }
 315     }
 316 }
 317
 318 void SourceImpl::groupPropUpdate(ALfloat gain, ALfloat pitch)
 319 {
 320     if(mId)
 321     {
 322         alSourcef(mId, AL_PITCH, mPitch * pitch);
 323         alSourcef(mId, AL_GAIN, mGain * gain);
 324     }
 325 }
 326
 327
 328 void SourceImpl::play(Buffer buffer)
 329 {
 330     BufferImpl *albuf = buffer.getHandle();
 331     if(!albuf) throw std::runtime_error("Buffer is not valid");
 332     CheckContext(mContext);
 333     CheckContext(albuf->getContext());
 334
 335     if(mStream)
 336         mContext->removeStream(this);
 337     mIsAsync.store(false, std::memory_order_release);
 338
 339     if(mId == 0)
 340     {
 341         mId = mContext->getSourceId(mPriority);
 342         applyProperties(mLooping, (ALuint)std::min<uint64_t>(mOffset, std::numeric_limits<ALint>::max()));
 343     }
 344     else
 345     {
 346         mContext->removePlayingSource(this);
 347         alSourceRewind(mId);
 348         alSourcei(mId, AL_BUFFER, 0);
 349         alSourcei(mId, AL_LOOPING, mLooping ? AL_TRUE : AL_FALSE);
 350         alSourcei(mId, AL_SAMPLE_OFFSET, (ALuint)std::min<uint64_t>(mOffset, std::numeric_limits<ALint>::max()));
 351     }
 352     mOffset = 0;
 353
 354     mStream.reset();
 355     if(mBuffer)
 356         mBuffer->removeSource(Source(this));
 357     mBuffer = albuf;
 358     mBuffer->addSource(Source(this));
 359
 360     alSourcei(mId, AL_BUFFER, mBuffer->getId());
 361     alSourcePlay(mId);
 362     mPaused.store(false, std::memory_order_release);
 363     mContext->addPlayingSource(this, mId);
 364 }
 365
 366 void SourceImpl::play(SharedPtr<Decoder> decoder, ALuint updatelen, ALuint queuesize)
 367 {
 368     if(updatelen < 64)
 369         throw std::runtime_error("Update length out of range");
 370     if(queuesize < 2)
 371         throw std::runtime_error("Queue size out of range");
 372     CheckContext(mContext);
 373
 374     auto stream = MakeUnique<ALBufferStream>(decoder, updatelen, queuesize);
 375     stream->prepare();
 376
 377     if(mStream)
 378         mContext->removeStream(this);
 379     mIsAsync.store(false, std::memory_order_release);
 380
 381     if(mId == 0)
 382     {
 383         mId = mContext->getSourceId(mPriority);
 384         applyProperties(false, 0);
 385     }
 386     else
 387     {
 388         mContext->removePlayingSource(this);
 389         alSourceRewind(mId);
 390         alSourcei(mId, AL_BUFFER, 0);
 391         alSourcei(mId, AL_LOOPING, AL_FALSE);
 392         alSourcei(mId, AL_SAMPLE_OFFSET, 0);
 393     }
 394
 395     mStream.reset();
 396     if(mBuffer)
 397         mBuffer->removeSource(Source(this));
 398     mBuffer = 0;
 399
 400     mStream = std::move(stream);
 401
 402     mStream->seek(mOffset);
 403     mOffset = 0;
 404
 405     for(ALuint i = 0;i < mStream->getNumUpdates();i++)
 406     {
 407         if(!mStream->streamMoreData(mId, mLooping))
 408             break;
 409     }
 410     alSourcePlay(mId);
 411     mPaused.store(false, std::memory_order_release);
 412
 413     mContext->addStream(this);
 414     mIsAsync.store(true, std::memory_order_release);
 415     mContext->addPlayingSource(this);
 416 }
 417
 418
 419 void SourceImpl::makeStopped(bool dolock)
 420 {
 421     if(mStream)
 422     {
 423         if(dolock)
 424             mContext->removeStream(this);
 425         else
 426             mContext->removeStreamNoLock(this);
 427     }
 428     mIsAsync.store(false, std::memory_order_release);
 429
 430     if(mId != 0)
 431     {
 432         alSourceRewind(mId);
 433         alSourcei(mId, AL_BUFFER, 0);
 434         if(mContext->hasExtension(EXT_EFX))
 435         {
 436             alSourcei(mId, AL_DIRECT_FILTER, AL_FILTER_NULL);
 437             for(auto &i : mEffectSlots)
 438                 alSource3i(mId, AL_AUXILIARY_SEND_FILTER, 0, i.first, AL_FILTER_NULL);
 439         }
 440         mContext->insertSourceId(mId);
 441         mId = 0;
 442     }
 443
 444     mStream.reset();
 445     if(mBuffer)
 446         mBuffer->removeSource(Source(this));
 447     mBuffer = 0;
 448
 449     mPaused.store(false, std::memory_order_release);
 450 }
 451
 452 void SourceImpl::stop()
 453 {
 454     CheckContext(mContext);
 455     mContext->removePlayingSource(this);
 456     makeStopped();
 457 }
 458
 459
 460 void SourceImpl::checkPaused()
 461 {
 462     if(mPaused.load(std::memory_order_acquire) || mId == 0)
 463         return;
 464
 465     ALint state = -1;
 466     alGetSourcei(mId, AL_SOURCE_STATE, &state);
 467     // Streaming sources may be in a stopped state if underrun
 468     mPaused.store((state == AL_PAUSED) ||
 469                   (state == AL_STOPPED && mStream && mStream->hasMoreData()),
 470                   std::memory_order_release);
 471 }
 472
 473 void SourceImpl::pause()
 474 {
 475     CheckContext(mContext);
 476     if(mPaused.load(std::memory_order_acquire))
 477         return;
 478
 479     if(mId != 0)
 480     {
 481         std::lock_guard<std::mutex> lock(mMutex);
 482         alSourcePause(mId);
 483         ALint state = -1;
 484         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 485         // Streaming sources may be in a stopped state if underrun
 486         mPaused.store((state == AL_PAUSED) ||
 487                       (state == AL_STOPPED && mStream && mStream->hasMoreData()),
 488                       std::memory_order_release);
 489     }
 490 }
 491
 492 void SourceImpl::resume()
 493 {
 494     CheckContext(mContext);
 495     if(!mPaused.load(std::memory_order_acquire))
 496         return;
 497
 498     if(mId != 0)
 499         alSourcePlay(mId);
 500     mPaused.store(false, std::memory_order_release);
 501 }
 502
 503
 504 bool SourceImpl::isPlaying() const
 505 {
 506     CheckContext(mContext);
 507     if(mId == 0) return false;
 508
 509     ALint state = -1;
 510     alGetSourcei(mId, AL_SOURCE_STATE, &state);
 511     if(state == -1)
 512         throw std::runtime_error("Source state error");
 513
 514     return state == AL_PLAYING || (!mPaused.load(std::memory_order_acquire) &&
 515                                    mStream && mStream->hasMoreData());
 516 }
 517
 518 bool SourceImpl::isPaused() const
 519 {
 520     CheckContext(mContext);
 521     if(mId == 0) return false;
 522
 523     ALint state = -1;
 524     alGetSourcei(mId, AL_SOURCE_STATE, &state);
 525     if(state == -1)
 526         throw std::runtime_error("Source state error");
 527
 528     return state == AL_PAUSED || mPaused.load(std::memory_order_acquire);
 529 }
 530
 531
 532 bool SourceImpl::playUpdate(ALuint id)
 533 {
 534     ALint state = -1;
 535     alGetSourcei(id, AL_SOURCE_STATE, &state);
 536     if(EXPECT((state == AL_PLAYING || state == AL_PAUSED), true))
 537         return true;
 538
 539     makeStopped();
 540     mContext->send(&MessageHandler::sourceStopped, Source(this));
 541     return false;
 542 }
 543
 544 bool SourceImpl::playUpdate()
 545 {
 546     if(EXPECT(mIsAsync.load(std::memory_order_acquire), true))
 547         return true;
 548
 549     makeStopped();
 550     mContext->send(&MessageHandler::sourceStopped, Source(this));
 551     return false;
 552 }
 553
 554
 555 ALint SourceImpl::refillBufferStream()
 556 {
 557     ALint processed;
 558     alGetSourcei(mId, AL_BUFFERS_PROCESSED, &processed);
 559     while(processed > 0)
 560     {
 561         ALuint buf;
 562         alSourceUnqueueBuffers(mId, 1, &buf);
 563         --processed;
 564     }
 565
 566     ALint queued;
 567     alGetSourcei(mId, AL_BUFFERS_QUEUED, &queued);
 568     for(;(ALuint)queued < mStream->getNumUpdates();queued++)
 569     {
 570         if(!mStream->streamMoreData(mId, mLooping))
 571             break;
 572     }
 573
 574     return queued;
 575 }
 576
 577 bool SourceImpl::updateAsync()
 578 {
 579     std::lock_guard<std::mutex> lock(mMutex);
 580
 581     ALint queued = refillBufferStream();
 582     if(queued == 0)
 583     {
 584         mIsAsync.store(false, std::memory_order_release);
 585         return false;
 586     }
 587     if(!mPaused.load(std::memory_order_acquire))
 588     {
 589         ALint state = -1;
 590         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 591         if(state != AL_PLAYING)
 592             alSourcePlay(mId);
 593     }
 594     return true;
 595 }
 596
 597
 598 void SourceImpl::setPriority(ALuint priority)
 599 {
 600     mPriority = priority;
 601 }
 602
 603
 604 void SourceImpl::setOffset(uint64_t offset)
 605 {
 606     CheckContext(mContext);
 607     if(mId == 0)
 608     {
 609         mOffset = offset;
 610         return;
 611     }
 612
 613     if(!mStream)
 614     {
 615         if(offset >= std::numeric_limits<ALint>::max())
 616             throw std::runtime_error("Offset out of range");
 617         alGetError();
 618         alSourcei(mId, AL_SAMPLE_OFFSET, (ALint)offset);
 619         if(alGetError() != AL_NO_ERROR)
 620             throw std::runtime_error("Offset out of range");
 621     }
 622     else
 623     {
 624         std::lock_guard<std::mutex> lock(mMutex);
 625         if(!mStream->seek(offset))
 626             throw std::runtime_error("Failed to seek to offset");
 627         alSourceRewind(mId);
 628         alSourcei(mId, AL_BUFFER, 0);
 629         ALint queued = refillBufferStream();
 630         if(queued > 0 && !mPaused)
 631             alSourcePlay(mId);
 632     }
 633 }
 634
 635 std::pair<uint64_t,std::chrono::nanoseconds> SourceImpl::getSampleOffsetLatency() const
 636 {
 637     std::pair<uint64_t,std::chrono::nanoseconds> ret{0, std::chrono::nanoseconds::zero()};
 638     CheckContext(mContext);
 639     if(mId == 0) return ret;
 640
 641     if(mStream)
 642     {
 643         std::lock_guard<std::mutex> lock(mMutex);
 644         ALint queued = 0, state = -1, srcpos = 0;
 645
 646         alGetSourcei(mId, AL_BUFFERS_QUEUED, &queued);
 647         if(mContext->hasExtension(SOFT_source_latency))
 648         {
 649             ALint64SOFT val[2];
 650             mContext->alGetSourcei64vSOFT(mId, AL_SAMPLE_OFFSET_LATENCY_SOFT, val);
 651             srcpos = val[0]>>32;
 652             ret.second = std::chrono::nanoseconds(val[1]);
 653         }
 654         else
 655             alGetSourcei(mId, AL_SAMPLE_OFFSET, &srcpos);
 656         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 657
 658         int64_t streampos = mStream->getPosition();
 659         if(state != AL_STOPPED)
 660         {
 661             // The amount of samples in the queue waiting to play
 662             ALuint inqueue = queued*mStream->getUpdateLength() - srcpos;
 663             if(!mStream->hasLooped())
 664             {
 665                 // A non-looped stream should never have more samples queued
 666                 // than have been read...
 667                 streampos = std::max<int64_t>(streampos, inqueue) - inqueue;
 668             }
 669             else
 670             {
 671                 streampos -= inqueue;
 672                 int64_t looplen = mStream->getLoopEnd() - mStream->getLoopStart();
 673                 while(streampos < mStream->getLoopStart())
 674                     streampos += looplen;
 675             }
 676         }
 677
 678         ret.first = streampos;
 679         return ret;
 680     }
 681
 682     ALint srcpos = 0;
 683     if(mContext->hasExtension(SOFT_source_latency))
 684     {
 685         ALint64SOFT val[2];
 686         mContext->alGetSourcei64vSOFT(mId, AL_SAMPLE_OFFSET_LATENCY_SOFT, val);
 687         srcpos = val[0]>>32;
 688         ret.second = std::chrono::nanoseconds(val[1]);
 689     }
 690     else
 691         alGetSourcei(mId, AL_SAMPLE_OFFSET, &srcpos);
 692     ret.first = srcpos;
 693     return ret;
 694 }
 695
 696 std::pair<Seconds,Seconds> SourceImpl::getSecOffsetLatency() const
 697 {
 698     std::pair<Seconds,Seconds> ret{Seconds::zero(), Seconds::zero()};
 699     CheckContext(mContext);
 700     if(mId == 0) return ret;
 701
 702     if(mStream)
 703     {
 704         std::lock_guard<std::mutex> lock(mMutex);
 705         ALint queued = 0, state = -1;
 706         ALdouble srcpos = 0;
 707
 708         alGetSourcei(mId, AL_BUFFERS_QUEUED, &queued);
 709         if(mContext->hasExtension(SOFT_source_latency))
 710         {
 711             ALdouble val[2];
 712             mContext->alGetSourcedvSOFT(mId, AL_SEC_OFFSET_LATENCY_SOFT, val);
 713             srcpos = val[0];
 714             ret.second = Seconds(val[1]);
 715         }
 716         else
 717         {
 718             ALfloat f;
 719             alGetSourcef(mId, AL_SEC_OFFSET, &f);
 720             srcpos = f;
 721         }
 722         alGetSourcei(mId, AL_SOURCE_STATE, &state);
 723
 724         ALdouble frac = 0.0;
 725         int64_t streampos = mStream->getPosition();
 726         if(state != AL_STOPPED)
 727         {
 728             ALdouble ipos;
 729             frac = std::modf(srcpos * mStream->getFrequency(), &ipos);
 730
 731             // The amount of samples in the queue waiting to play
 732             ALuint inqueue = queued*mStream->getUpdateLength() - (ALuint)ipos;
 733             if(!mStream->hasLooped())
 734             {
 735                 // A non-looped stream should never have more samples queued
 736                 // than have been read...
 737                 streampos = std::max<int64_t>(streampos, inqueue) - inqueue;
 738             }
 739             else
 740             {
 741                 streampos -= inqueue;
 742                 int64_t looplen = mStream->getLoopEnd() - mStream->getLoopStart();
 743                 while(streampos < mStream->getLoopStart())
 744                     streampos += looplen;
 745             }
 746         }
 747
 748         ret.first = Seconds((streampos+frac) / mStream->getFrequency());
 749         return ret;
 750     }
 751
 752     ALdouble srcpos = 0.0;
 753     if(mContext->hasExtension(SOFT_source_latency))
 754     {
 755         ALdouble val[2];
 756         mContext->alGetSourcedvSOFT(mId, AL_SEC_OFFSET_LATENCY_SOFT, val);
 757         srcpos = val[0];
 758         ret.second = Seconds(val[1]);
 759     }
 760     else
 761     {
 762         ALfloat f;
 763         alGetSourcef(mId, AL_SEC_OFFSET, &f);
 764         srcpos = f;
 765     }
 766     ret.first = Seconds(srcpos);
 767     return ret;
 768 }
 769
 770
 771 void SourceImpl::setLooping(bool looping)
 772 {
 773     CheckContext(mContext);
 774
 775     if(mId && !mStream)
 776         alSourcei(mId, AL_LOOPING, looping ? AL_TRUE : AL_FALSE);
 777     mLooping = looping;
 778 }
 779
 780
 781 void SourceImpl::setPitch(ALfloat pitch)
 782 {
 783     if(!(pitch > 0.0f))
 784         throw std::runtime_error("Pitch out of range");
 785     CheckContext(mContext);
 786     if(mId != 0)
 787         alSourcef(mId, AL_PITCH, pitch * (mGroup ? mGroup->getAppliedPitch() : 1.0f));
 788     mPitch = pitch;
 789 }
 790
 791
 792 void SourceImpl::setGain(ALfloat gain)
 793 {
 794     if(!(gain >= 0.0f))
 795         throw std::runtime_error("Gain out of range");
 796     CheckContext(mContext);
 797     if(mId != 0)
 798         alSourcef(mId, AL_GAIN, gain * (mGroup ? mGroup->getAppliedGain() : 1.0f));
 799     mGain = gain;
 800 }
 801
 802 void SourceImpl::setGainRange(ALfloat mingain, ALfloat maxgain)
 803 {
 804     if(!(mingain >= 0.0f && maxgain <= 1.0f && maxgain >= mingain))
 805         throw std::runtime_error("Gain range out of range");
 806     CheckContext(mContext);
 807     if(mId != 0)
 808     {
 809         alSourcef(mId, AL_MIN_GAIN, mingain);
 810         alSourcef(mId, AL_MAX_GAIN, maxgain);
 811     }
 812     mMinGain = mingain;
 813     mMaxGain = maxgain;
 814 }
 815
 816
 817 void SourceImpl::setDistanceRange(ALfloat refdist, ALfloat maxdist)
 818 {
 819     if(!(refdist >= 0.0f && maxdist <= std::numeric_limits<float>::max() && refdist <= maxdist))
 820         throw std::runtime_error("Distance range out of range");
 821     CheckContext(mContext);
 822     if(mId != 0)
 823     {
 824         alSourcef(mId, AL_REFERENCE_DISTANCE, refdist);
 825         alSourcef(mId, AL_MAX_DISTANCE, maxdist);
 826     }
 827     mRefDist = refdist;
 828     mMaxDist = maxdist;
 829 }
 830
 831
 832 void SourceImpl::set3DParameters(const Vector3 &position, const Vector3 &velocity, const Vector3 &direction)
 833 {
 834     CheckContext(mContext);
 835     if(mId != 0)
 836     {
 837         Batcher batcher = mContext->getBatcher();
 838         alSourcefv(mId, AL_POSITION, position.getPtr());
 839         alSourcefv(mId, AL_VELOCITY, velocity.getPtr());
 840         alSourcefv(mId, AL_DIRECTION, direction.getPtr());
 841     }
 842     mPosition = position;
 843     mVelocity = velocity;
 844     mDirection = direction;
 845 }
 846
 847 void SourceImpl::set3DParameters(const Vector3 &position, const Vector3 &velocity, std::pair<Vector3,Vector3> orientation)
 848 {
 849     static_assert(sizeof(orientation) == sizeof(ALfloat[6]), "Invalid Vector3 pair size");
 850     CheckContext(mContext);
 851     if(mId != 0)
 852     {
 853         Batcher batcher = mContext->getBatcher();
 854         alSourcefv(mId, AL_POSITION, position.getPtr());
 855         alSourcefv(mId, AL_VELOCITY, velocity.getPtr());
 856         if(mContext->hasExtension(EXT_BFORMAT))
 857             alSourcefv(mId, AL_ORIENTATION, orientation.first.getPtr());
 858         alSourcefv(mId, AL_DIRECTION, orientation.first.getPtr());
 859     }
 860     mPosition = position;
 861     mVelocity = velocity;
 862     mDirection = mOrientation[0] = orientation.first;
 863     mOrientation[1] = orientation.second;
 864 }
 865
 866
 867 void SourceImpl::setPosition(ALfloat x, ALfloat y, ALfloat z)
 868 {
 869     CheckContext(mContext);
 870     if(mId != 0)
 871         alSource3f(mId, AL_POSITION, x, y, z);
 872     mPosition[0] = x;
 873     mPosition[1] = y;
 874     mPosition[2] = z;
 875 }
 876
 877 void SourceImpl::setPosition(const ALfloat *pos)
 878 {
 879     CheckContext(mContext);
 880     if(mId != 0)
 881         alSourcefv(mId, AL_POSITION, pos);
 882     mPosition[0] = pos[0];
 883     mPosition[1] = pos[1];
 884     mPosition[2] = pos[2];
 885 }
 886
 887 void SourceImpl::setVelocity(ALfloat x, ALfloat y, ALfloat z)
 888 {
 889     CheckContext(mContext);
 890     if(mId != 0)
 891         alSource3f(mId, AL_VELOCITY, x, y, z);
 892     mVelocity[0] = x;
 893     mVelocity[1] = y;
 894     mVelocity[2] = z;
 895 }
 896
 897 void SourceImpl::setVelocity(const ALfloat *vel)
 898 {
 899     CheckContext(mContext);
 900     if(mId != 0)
 901         alSourcefv(mId, AL_VELOCITY, vel);
 902     mVelocity[0] = vel[0];
 903     mVelocity[1] = vel[1];
 904     mVelocity[2] = vel[2];
 905 }
 906
 907 void SourceImpl::setDirection(ALfloat x, ALfloat y, ALfloat z)
 908 {
 909     CheckContext(mContext);
 910     if(mId != 0)
 911         alSource3f(mId, AL_DIRECTION, x, y, z);
 912     mDirection[0] = x;
 913     mDirection[1] = y;
 914     mDirection[2] = z;
 915 }
 916
 917 void SourceImpl::setDirection(const ALfloat *dir)
 918 {
 919     CheckContext(mContext);
 920     if(mId != 0)
 921         alSourcefv(mId, AL_DIRECTION, dir);
 922     mDirection[0] = dir[0];
 923     mDirection[1] = dir[1];
 924     mDirection[2] = dir[2];
 925 }
 926
 927 void SourceImpl::setOrientation(ALfloat x1, ALfloat y1, ALfloat z1, ALfloat x2, ALfloat y2, ALfloat z2)
 928 {
 929     CheckContext(mContext);
 930     if(mId != 0)
 931     {
 932         ALfloat ori[6] = { x1, y1, z1, x2, y2, z2 };
 933         if(mContext->hasExtension(EXT_BFORMAT))
 934             alSourcefv(mId, AL_ORIENTATION, ori);
 935         alSourcefv(mId, AL_DIRECTION, ori);
 936     }
 937     mDirection[0] = mOrientation[0][0] = x1;
 938     mDirection[1] = mOrientation[0][1] = y1;
 939     mDirection[2] = mOrientation[0][2] = z1;
 940     mOrientation[1][0] = x2;
 941     mOrientation[1][1] = y2;
 942     mOrientation[1][2] = z2;
 943 }
 944
 945 void SourceImpl::setOrientation(const ALfloat *at, const ALfloat *up)
 946 {
 947     CheckContext(mContext);
 948     if(mId != 0)
 949     {
 950         ALfloat ori[6] = { at[0], at[1], at[2], up[0], up[1], up[2] };
 951         if(mContext->hasExtension(EXT_BFORMAT))
 952             alSourcefv(mId, AL_ORIENTATION, ori);
 953         alSourcefv(mId, AL_DIRECTION, ori);
 954     }
 955     mDirection[0] = mOrientation[0][0] = at[0];
 956     mDirection[1] = mOrientation[0][1] = at[1];
 957     mDirection[2] = mOrientation[0][2] = at[2];
 958     mOrientation[1][0] = up[0];
 959     mOrientation[1][1] = up[1];
 960     mOrientation[1][2] = up[2];
 961 }
 962
 963 void SourceImpl::setOrientation(const ALfloat *ori)
 964 {
 965     CheckContext(mContext);
 966     if(mId != 0)
 967     {
 968         if(mContext->hasExtension(EXT_BFORMAT))
 969             alSourcefv(mId, AL_ORIENTATION, ori);
 970         alSourcefv(mId, AL_DIRECTION, ori);
 971     }
 972     mDirection[0] = mOrientation[0][0] = ori[0];
 973     mDirection[1] = mOrientation[0][1] = ori[1];
 974     mDirection[2] = mOrientation[0][2] = ori[2];
 975     mOrientation[1][0] = ori[3];
 976     mOrientation[1][1] = ori[4];
 977     mOrientation[1][2] = ori[5];
 978 }
 979
 980
 981 void SourceImpl::setConeAngles(ALfloat inner, ALfloat outer)
 982 {
 983     if(!(inner >= 0.0f && outer <= 360.0f && outer >= inner))
 984         throw std::runtime_error("Cone angles out of range");
 985     CheckContext(mContext);
 986     if(mId != 0)
 987     {
 988         alSourcef(mId, AL_CONE_INNER_ANGLE, inner);
 989         alSourcef(mId, AL_CONE_OUTER_ANGLE, outer);
 990     }
 991     mConeInnerAngle = inner;
 992     mConeOuterAngle = outer;
 993 }
 994
 995 void SourceImpl::setOuterConeGains(ALfloat gain, ALfloat gainhf)
 996 {
 997     if(!(gain >= 0.0f && gain <= 1.0f && gainhf >= 0.0f && gainhf <= 1.0f))
 998         throw std::runtime_error("Outer cone gain out of range");
 999     CheckContext(mContext);
1000     if(mId != 0)
1001     {
1002         alSourcef(mId, AL_CONE_OUTER_GAIN, gain);
1003         if(mContext->hasExtension(EXT_EFX))
1004             alSourcef(mId, AL_CONE_OUTER_GAINHF, gainhf);
1005     }
1006     mConeOuterGain = gain;
1007     mConeOuterGainHF = gainhf;
1008 }
1009
1010
1011 void SourceImpl::setRolloffFactors(ALfloat factor, ALfloat roomfactor)
1012 {
1013     if(!(factor >= 0.0f && roomfactor >= 0.0f))
1014         throw std::runtime_error("Rolloff factor out of range");
1015     CheckContext(mContext);
1016     if(mId != 0)
1017     {
1018         alSourcef(mId, AL_ROLLOFF_FACTOR, factor);
1019         if(mContext->hasExtension(EXT_EFX))
1020             alSourcef(mId, AL_ROOM_ROLLOFF_FACTOR, roomfactor);
1021     }
1022     mRolloffFactor = factor;
1023     mRoomRolloffFactor = roomfactor;
1024 }
1025
1026 void SourceImpl::setDopplerFactor(ALfloat factor)
1027 {
1028     if(!(factor >= 0.0f && factor <= 1.0f))
1029         throw std::runtime_error("Doppler factor out of range");
1030     CheckContext(mContext);
1031     if(mId != 0)
1032         alSourcef(mId, AL_DOPPLER_FACTOR, factor);
1033     mDopplerFactor = factor;
1034 }
1035
1036 void SourceImpl::setAirAbsorptionFactor(ALfloat factor)
1037 {
1038     if(!(factor >= 0.0f && factor <= 10.0f))
1039         throw std::runtime_error("Absorption factor out of range");
1040     CheckContext(mContext);
1041     if(mId != 0 && mContext->hasExtension(EXT_EFX))
1042         alSourcef(mId, AL_AIR_ABSORPTION_FACTOR, factor);
1043     mAirAbsorptionFactor = factor;
1044 }
1045
1046 void SourceImpl::setRadius(ALfloat radius)
1047 {
1048     if(!(mRadius >= 0.0f))
1049         throw std::runtime_error("Radius out of range");
1050     CheckContext(mContext);
1051     if(mId != 0 && mContext->hasExtension(EXT_SOURCE_RADIUS))
1052         alSourcef(mId, AL_SOURCE_RADIUS, radius);
1053     mRadius = radius;
1054 }
1055
1056 void SourceImpl::setStereoAngles(ALfloat leftAngle, ALfloat rightAngle)
1057 {
1058     CheckContext(mContext);
1059     if(mId != 0 && mContext->hasExtension(EXT_STEREO_ANGLES))
1060     {
1061         ALfloat angles[2] = { leftAngle, rightAngle };
1062         alSourcefv(mId, AL_STEREO_ANGLES, angles);
1063     }
1064     mStereoAngles[0] = leftAngle;
1065     mStereoAngles[1] = rightAngle;
1066 }
1067
1068 void SourceImpl::set3DSpatialize(Spatialize spatialize)
1069 {
1070     CheckContext(mContext);
1071     if(mId != 0 && mContext->hasExtension(SOFT_source_spatialize))
1072         alSourcei(mId, AL_SOURCE_SPATIALIZE_SOFT, (ALint)spatialize);
1073     mSpatialize = spatialize;
1074 }
1075
1076 void SourceImpl::setResamplerIndex(ALsizei index)
1077 {
1078     if(index < 0)
1079         throw std::runtime_error("Resampler index out of range");
1080     index = std::min<ALsizei>(index, mContext->getAvailableResamplers().size());
1081     if(mId != 0 && mContext->hasExtension(SOFT_source_resampler))
1082         alSourcei(mId, AL_SOURCE_RESAMPLER_SOFT, index);
1083     mResampler = index;
1084 }
1085
1086 void SourceImpl::setRelative(bool relative)
1087 {
1088     CheckContext(mContext);
1089     if(mId != 0)
1090         alSourcei(mId, AL_SOURCE_RELATIVE, relative ? AL_TRUE : AL_FALSE);
1091     mRelative = relative;
1092 }
1093
1094 void SourceImpl::setGainAuto(bool directhf, bool send, bool sendhf)
1095 {
1096     CheckContext(mContext);
1097     if(mId != 0 && mContext->hasExtension(EXT_EFX))
1098     {
1099         alSourcei(mId, AL_DIRECT_FILTER_GAINHF_AUTO, directhf ? AL_TRUE : AL_FALSE);
1100         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAIN_AUTO, send ? AL_TRUE : AL_FALSE);
1101         alSourcei(mId, AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO, sendhf ? AL_TRUE : AL_FALSE);
1102     }
1103     mDryGainHFAuto = directhf;
1104     mWetGainAuto = send;
1105     mWetGainHFAuto = sendhf;
1106 }
1107
1108
1109 void SourceImpl::setFilterParams(ALuint &filterid, const FilterParams &params)
1110 {
1111     if(!mContext->hasExtension(EXT_EFX))
1112         return;
1113
1114     if(!(params.mGain < 1.0f || params.mGainHF < 1.0f || params.mGainLF < 1.0f))
1115     {
1116         if(filterid)
1117             mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_NULL);
1118         return;
1119     }
1120
1121     alGetError();
1122     if(!filterid)
1123     {
1124         mContext->alGenFilters(1, &filterid);
1125         if(alGetError() != AL_NO_ERROR)
1126             throw std::runtime_error("Failed to create Filter");
1127     }
1128     bool filterset = false;
1129     if(params.mGainHF < 1.0f && params.mGainLF < 1.0f)
1130     {
1131         mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_BANDPASS);
1132         if(alGetError() == AL_NO_ERROR)
1133         {
1134             mContext->alFilterf(filterid, AL_BANDPASS_GAIN, std::min(params.mGain, 1.0f));
1135             mContext->alFilterf(filterid, AL_BANDPASS_GAINHF, std::min(params.mGainHF, 1.0f));
1136             mContext->alFilterf(filterid, AL_BANDPASS_GAINLF, std::min(params.mGainLF, 1.0f));
1137             filterset = true;
1138         }
1139     }
1140     if(!filterset && !(params.mGainHF < 1.0f) && params.mGainLF < 1.0f)
1141     {
1142         mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_HIGHPASS);
1143         if(alGetError() == AL_NO_ERROR)
1144         {
1145             mContext->alFilterf(filterid, AL_HIGHPASS_GAIN, std::min(params.mGain, 1.0f));
1146             mContext->alFilterf(filterid, AL_HIGHPASS_GAINLF, std::min(params.mGainLF, 1.0f));
1147             filterset = true;
1148         }
1149     }
1150     if(!filterset)
1151     {
1152         mContext->alFilteri(filterid, AL_FILTER_TYPE, AL_FILTER_LOWPASS);
1153         if(alGetError() == AL_NO_ERROR)
1154         {
1155             mContext->alFilterf(filterid, AL_LOWPASS_GAIN, std::min(params.mGain, 1.0f));
1156             mContext->alFilterf(filterid, AL_LOWPASS_GAINHF, std::min(params.mGainHF, 1.0f));
1157             filterset = true;
1158         }
1159     }
1160 }
1161
1162
1163 void SourceImpl::setDirectFilter(const FilterParams &filter)
1164 {
1165     if(!(filter.mGain >= 0.0f && filter.mGainHF >= 0.0f && filter.mGainLF >= 0.0f))
1166         throw std::runtime_error("Gain value out of range");
1167     CheckContext(mContext);
1168
1169     setFilterParams(mDirectFilter, filter);
1170     if(mId)
1171         alSourcei(mId, AL_DIRECT_FILTER, mDirectFilter);
1172 }
1173
1174 void SourceImpl::setSendFilter(ALuint send, const FilterParams &filter)
1175 {
1176     if(!(filter.mGain >= 0.0f && filter.mGainHF >= 0.0f && filter.mGainLF >= 0.0f))
1177         throw std::runtime_error("Gain value out of range");
1178     CheckContext(mContext);
1179
1180     SendPropMap::iterator siter = mEffectSlots.find(send);
1181     if(siter == mEffectSlots.end())
1182     {
1183         ALuint filterid = 0;
1184
1185         setFilterParams(filterid, filter);
1186         if(!filterid) return;
1187
1188         siter = mEffectSlots.insert(std::make_pair(send, SendProps(filterid))).first;
1189     }
1190     else
1191         setFilterParams(siter->second.mFilter, filter);
1192
1193     if(mId)
1194     {
1195         ALuint slotid = (siter->second.mSlot ? siter->second.mSlot->getId() : 0);
1196         alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, send, siter->second.mFilter);
1197     }
1198 }
1199
1200 void SourceImpl::setAuxiliarySend(AuxiliaryEffectSlot auxslot, ALuint send)
1201 {
1202     AuxiliaryEffectSlotImpl *slot = auxslot.getHandle();
1203     if(slot) CheckContext(slot->getContext());
1204     CheckContext(mContext);
1205
1206     SendPropMap::iterator siter = mEffectSlots.find(send);
1207     if(siter == mEffectSlots.end())
1208     {
1209         if(!slot) return;
1210         slot->addSourceSend(Source(this), send);
1211         siter = mEffectSlots.insert(std::make_pair(send, SendProps(slot))).first;
1212     }
1213     else if(siter->second.mSlot != slot)
1214     {
1215         if(slot) slot->addSourceSend(Source(this), send);
1216         if(siter->second.mSlot)
1217             siter->second.mSlot->removeSourceSend(Source(this), send);
1218         siter->second.mSlot = slot;
1219     }
1220
1221     if(mId)
1222     {
1223         ALuint slotid = (siter->second.mSlot ? siter->second.mSlot->getId() : 0);
1224         alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, send, siter->second.mFilter);
1225     }
1226 }
1227
1228 void SourceImpl::setAuxiliarySendFilter(AuxiliaryEffectSlot auxslot, ALuint send, const FilterParams &filter)
1229 {
1230     if(!(filter.mGain >= 0.0f && filter.mGainHF >= 0.0f && filter.mGainLF >= 0.0f))
1231         throw std::runtime_error("Gain value out of range");
1232     AuxiliaryEffectSlotImpl *slot = auxslot.getHandle();
1233     if(slot) CheckContext(slot->getContext());
1234     CheckContext(mContext);
1235
1236     SendPropMap::iterator siter = mEffectSlots.find(send);
1237     if(siter == mEffectSlots.end())
1238     {
1239         ALuint filterid = 0;
1240
1241         setFilterParams(filterid, filter);
1242         if(!filterid && !slot)
1243             return;
1244
1245         if(slot) slot->addSourceSend(Source(this), send);
1246         siter = mEffectSlots.insert(std::make_pair(send, SendProps(slot, filterid))).first;
1247     }
1248     else
1249     {
1250         if(siter->second.mSlot != slot)
1251         {
1252             if(slot) slot->addSourceSend(Source(this), send);
1253             if(siter->second.mSlot)
1254                 siter->second.mSlot->removeSourceSend(Source(this), send);
1255             siter->second.mSlot = slot;
1256         }
1257         setFilterParams(siter->second.mFilter, filter);
1258     }
1259
1260     if(mId)
1261     {
1262         ALuint slotid = (siter->second.mSlot ? siter->second.mSlot->getId() : 0);
1263         alSource3i(mId, AL_AUXILIARY_SEND_FILTER, slotid, send, siter->second.mFilter);
1264     }
1265 }
1266
1267
1268 void SourceImpl::release()
1269 {
1270     stop();
1271
1272     if(mDirectFilter)
1273         mContext->alDeleteFilters(1, &mDirectFilter);
1274     mDirectFilter = AL_FILTER_NULL;
1275
1276     for(auto &i : mEffectSlots)
1277     {
1278         if(i.second.mSlot)
1279             i.second.mSlot->removeSourceSend(Source(this), i.first);
1280         if(i.second.mFilter)
1281             mContext->alDeleteFilters(1, &i.second.mFilter);
1282     }
1283     mEffectSlots.clear();
1284
1285     resetProperties();
1286     mContext->freeSource(this);
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, set3DParameters,, const Vector3&, const Vector3&, const Vector3&)
1320 DECL_THUNK3(void, Source, set3DParameters,, const Vector3&, const Vector3&, Vector3Pair)
1321 DECL_THUNK3(void, Source, setPosition,, ALfloat, ALfloat, ALfloat)
1322 DECL_THUNK1(void, Source, setPosition,, const ALfloat*)
1323 DECL_THUNK0(Vector3, Source, getPosition, const)
1324 DECL_THUNK3(void, Source, setVelocity,, ALfloat, ALfloat, ALfloat)
1325 DECL_THUNK1(void, Source, setVelocity,, const ALfloat*)
1326 DECL_THUNK0(Vector3, Source, getVelocity, const)
1327 DECL_THUNK3(void, Source, setDirection,, ALfloat, ALfloat, ALfloat)
1328 DECL_THUNK1(void, Source, setDirection,, const ALfloat*)
1329 DECL_THUNK0(Vector3, Source, getDirection, const)
1330 DECL_THUNK6(void, Source, setOrientation,, ALfloat, ALfloat, ALfloat, ALfloat, ALfloat, ALfloat)
1331 DECL_THUNK2(void, Source, setOrientation,, const ALfloat*, const ALfloat*)
1332 DECL_THUNK1(void, Source, setOrientation,, const ALfloat*)
1333 DECL_THUNK0(Vector3Pair, Source, getOrientation, const)
1334 DECL_THUNK2(void, Source, setConeAngles,, ALfloat, ALfloat)
1335 DECL_THUNK0(ALfloatPair, Source, getConeAngles, const)
1336 DECL_THUNK2(void, Source, setOuterConeGains,, ALfloat, ALfloat)
1337 DECL_THUNK0(ALfloatPair, Source, getOuterConeGains, const)
1338 DECL_THUNK2(void, Source, setRolloffFactors,, ALfloat, ALfloat)
1339 DECL_THUNK0(ALfloatPair, Source, getRolloffFactors, const)
1340 DECL_THUNK1(void, Source, setDopplerFactor,, ALfloat)
1341 DECL_THUNK0(ALfloat, Source, getDopplerFactor, const)
1342 DECL_THUNK1(void, Source, setRelative,, bool)
1343 DECL_THUNK0(bool, Source, getRelative, const)
1344 DECL_THUNK1(void, Source, setRadius,, ALfloat)
1345 DECL_THUNK0(ALfloat, Source, getRadius, const)
1346 DECL_THUNK2(void, Source, setStereoAngles,, ALfloat, ALfloat)
1347 DECL_THUNK0(ALfloatPair, Source, getStereoAngles, const)
1348 DECL_THUNK1(void, Source, set3DSpatialize,, Spatialize)
1349 DECL_THUNK0(Spatialize, Source, get3DSpatialize, const)
1350 DECL_THUNK1(void, Source, setResamplerIndex,, ALsizei)
1351 DECL_THUNK0(ALsizei, Source, getResamplerIndex, const)
1352 DECL_THUNK1(void, Source, setAirAbsorptionFactor,, ALfloat)
1353 DECL_THUNK0(ALfloat, Source, getAirAbsorptionFactor, const)
1354 DECL_THUNK3(void, Source, setGainAuto,, bool, bool, bool)
1355 DECL_THUNK0(BoolTriple, Source, getGainAuto, const)
1356 DECL_THUNK1(void, Source, setDirectFilter,, const FilterParams&)
1357 DECL_THUNK2(void, Source, setSendFilter,, ALuint, const FilterParams&)
1358 DECL_THUNK2(void, Source, setAuxiliarySend,, AuxiliaryEffectSlot, ALuint)
1359 DECL_THUNK3(void, Source, setAuxiliarySendFilter,, AuxiliaryEffectSlot, ALuint, const FilterParams&)
1360 void Source::release()
1361 {
1362     pImpl->release();
1363     pImpl = nullptr;
1364 }
1365
1366 }