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1 /* | 1 /* |
2 * Copyright (C) 2010, Google Inc. All rights reserved. | 2 * Copyright (C) 2010, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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180 } | 180 } |
181 | 181 |
182 void AudioContext::lazyInitialize() | 182 void AudioContext::lazyInitialize() |
183 { | 183 { |
184 if (!m_isInitialized) { | 184 if (!m_isInitialized) { |
185 // Don't allow the context to initialize a second time after it's alread y been explicitly uninitialized. | 185 // Don't allow the context to initialize a second time after it's alread y been explicitly uninitialized. |
186 ASSERT(!m_isAudioThreadFinished); | 186 ASSERT(!m_isAudioThreadFinished); |
187 if (!m_isAudioThreadFinished) { | 187 if (!m_isAudioThreadFinished) { |
188 if (m_destinationNode.get()) { | 188 if (m_destinationNode.get()) { |
189 m_destinationNode->initialize(); | 189 m_destinationNode->initialize(); |
190 | |
Raymond Toy
2014/04/01 17:49:49
Don't gratuitously delete (or add) blank lines.
KhNo
2014/04/01 18:25:08
Done.
| |
191 if (!isOfflineContext()) { | 190 if (!isOfflineContext()) { |
192 // This starts the audio thread. The destination node's prov ideInput() method will now be called repeatedly to render audio. | 191 // This starts the audio thread. The destination node's prov ideInput() method will now be called repeatedly to render audio. |
193 // Each time provideInput() is called, a portion of the audi o stream is rendered. Let's call this time period a "render quantum". | 192 // Each time provideInput() is called, a portion of the audi o stream is rendered. Let's call this time period a "render quantum". |
194 // NOTE: for now default AudioContext does not need an expli cit startRendering() call from JavaScript. | 193 // NOTE: for now default AudioContext does not need an expli cit startRendering() call from JavaScript. |
195 // We may want to consider requiring it for symmetry with Of flineAudioContext. | 194 // We may want to consider requiring it for symmetry with Of flineAudioContext. |
196 m_destinationNode->startRendering(); | 195 m_destinationNode->startRendering(); |
197 ++s_hardwareContextCount; | 196 ++s_hardwareContextCount; |
198 } | 197 } |
199 | 198 |
199 m_isInitialized = true; | |
200 } | 200 } |
201 m_isInitialized = true; | |
Raymond Toy
2014/04/01 17:49:49
Why is this moved up?
KhNo
2014/04/01 18:25:08
It should be inside if (m_destinationNode.get()) {
Raymond Toy
2014/04/01 20:20:30
Ah. So it's because the destination node is create
| |
202 } | 201 } |
203 } | 202 } |
204 } | 203 } |
205 | 204 |
206 void AudioContext::clear() | 205 void AudioContext::clear() |
207 { | 206 { |
208 // We have to release our reference to the destination node before the conte xt will ever be deleted since the destination node holds a reference to the cont ext. | 207 // We have to release our reference to the destination node before the conte xt will ever be deleted since the destination node holds a reference to the cont ext. |
209 if (m_destinationNode) | 208 if (m_destinationNode) |
210 m_destinationNode.clear(); | 209 m_destinationNode.clear(); |
211 | 210 |
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338 exceptionState.throwDOMException( | 337 exceptionState.throwDOMException( |
339 SyntaxError, | 338 SyntaxError, |
340 "invalid ArrayBuffer for audioData."); | 339 "invalid ArrayBuffer for audioData."); |
341 return; | 340 return; |
342 } | 341 } |
343 m_audioDecoder.decodeAsync(audioData, sampleRate(), successCallback, errorCa llback); | 342 m_audioDecoder.decodeAsync(audioData, sampleRate(), successCallback, errorCa llback); |
344 } | 343 } |
345 | 344 |
346 PassRefPtr<AudioBufferSourceNode> AudioContext::createBufferSource() | 345 PassRefPtr<AudioBufferSourceNode> AudioContext::createBufferSource() |
347 { | 346 { |
348 ASSERT(isMainThread()); | 347 ASSERT(isMainThread()); |
Raymond Toy
2014/04/01 17:49:49
Should the ASSERT be moved to lazyInitialize?
KhNo
2014/04/01 18:25:08
It couldn't. Those function can be called internal
Raymond Toy
2014/04/01 20:20:30
Ok. Same could be said for lazyInitialize. Now som
| |
349 lazyInitialize(); | |
350 RefPtr<AudioBufferSourceNode> node = AudioBufferSourceNode::create(this, m_d estinationNode->sampleRate()); | 348 RefPtr<AudioBufferSourceNode> node = AudioBufferSourceNode::create(this, m_d estinationNode->sampleRate()); |
351 | 349 |
352 // Because this is an AudioScheduledSourceNode, the context keeps a referenc e until it has finished playing. | 350 // Because this is an AudioScheduledSourceNode, the context keeps a referenc e until it has finished playing. |
353 // When this happens, AudioScheduledSourceNode::finish() calls AudioContext: :notifyNodeFinishedProcessing(). | 351 // When this happens, AudioScheduledSourceNode::finish() calls AudioContext: :notifyNodeFinishedProcessing(). |
354 refNode(node.get()); | 352 refNode(node.get()); |
355 | 353 |
356 return node; | 354 return node; |
357 } | 355 } |
358 | 356 |
359 PassRefPtr<MediaElementAudioSourceNode> AudioContext::createMediaElementSource(H TMLMediaElement* mediaElement, ExceptionState& exceptionState) | 357 PassRefPtr<MediaElementAudioSourceNode> AudioContext::createMediaElementSource(H TMLMediaElement* mediaElement, ExceptionState& exceptionState) |
360 { | 358 { |
359 ASSERT(isMainThread()); | |
361 if (!mediaElement) { | 360 if (!mediaElement) { |
362 exceptionState.throwDOMException( | 361 exceptionState.throwDOMException( |
363 InvalidStateError, | 362 InvalidStateError, |
364 "invalid HTMLMedialElement."); | 363 "invalid HTMLMedialElement."); |
365 return nullptr; | 364 return nullptr; |
366 } | 365 } |
367 | 366 |
368 ASSERT(isMainThread()); | |
Raymond Toy
2014/04/01 17:49:49
This ASSERT should probably not have been removed.
KhNo
2014/04/01 18:25:08
It doesn't removed, Just move to top of function s
| |
369 lazyInitialize(); | |
370 | |
371 // First check if this media element already has a source node. | 367 // First check if this media element already has a source node. |
372 if (mediaElement->audioSourceNode()) { | 368 if (mediaElement->audioSourceNode()) { |
373 exceptionState.throwDOMException( | 369 exceptionState.throwDOMException( |
374 InvalidStateError, | 370 InvalidStateError, |
375 "invalid HTMLMediaElement."); | 371 "invalid HTMLMediaElement."); |
376 return nullptr; | 372 return nullptr; |
377 } | 373 } |
378 | 374 |
379 RefPtr<MediaElementAudioSourceNode> node = MediaElementAudioSourceNode::crea te(this, mediaElement); | 375 RefPtr<MediaElementAudioSourceNode> node = MediaElementAudioSourceNode::crea te(this, mediaElement); |
380 | 376 |
381 mediaElement->setAudioSourceNode(node.get()); | 377 mediaElement->setAudioSourceNode(node.get()); |
382 | 378 |
383 refNode(node.get()); // context keeps reference until node is disconnected | 379 refNode(node.get()); // context keeps reference until node is disconnected |
384 return node; | 380 return node; |
385 } | 381 } |
386 | 382 |
387 PassRefPtr<MediaStreamAudioSourceNode> AudioContext::createMediaStreamSource(Med iaStream* mediaStream, ExceptionState& exceptionState) | 383 PassRefPtr<MediaStreamAudioSourceNode> AudioContext::createMediaStreamSource(Med iaStream* mediaStream, ExceptionState& exceptionState) |
388 { | 384 { |
385 ASSERT(isMainThread()); | |
389 if (!mediaStream) { | 386 if (!mediaStream) { |
390 exceptionState.throwDOMException( | 387 exceptionState.throwDOMException( |
391 InvalidStateError, | 388 InvalidStateError, |
392 "invalid MediaStream source"); | 389 "invalid MediaStream source"); |
393 return nullptr; | 390 return nullptr; |
394 } | 391 } |
395 | 392 |
396 ASSERT(isMainThread()); | |
Raymond Toy
2014/04/01 17:49:49
This ASSERT should not have been removed.
KhNo
2014/04/01 18:25:08
ditto
| |
397 lazyInitialize(); | |
398 | |
399 MediaStreamTrackVector audioTracks = mediaStream->getAudioTracks(); | 393 MediaStreamTrackVector audioTracks = mediaStream->getAudioTracks(); |
400 if (audioTracks.isEmpty()) { | 394 if (audioTracks.isEmpty()) { |
401 exceptionState.throwDOMException( | 395 exceptionState.throwDOMException( |
402 InvalidStateError, | 396 InvalidStateError, |
403 "MediaStream has no audio track"); | 397 "MediaStream has no audio track"); |
404 return nullptr; | 398 return nullptr; |
405 } | 399 } |
406 | 400 |
407 // Use the first audio track in the media stream. | 401 // Use the first audio track in the media stream. |
408 RefPtr<MediaStreamTrack> audioTrack = audioTracks[0]; | 402 RefPtr<MediaStreamTrack> audioTrack = audioTracks[0]; |
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436 | 430 |
437 PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t buffe rSize, size_t numberOfInputChannels, ExceptionState& exceptionState) | 431 PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t buffe rSize, size_t numberOfInputChannels, ExceptionState& exceptionState) |
438 { | 432 { |
439 // Set number of output channels to stereo by default. | 433 // Set number of output channels to stereo by default. |
440 return createScriptProcessor(bufferSize, numberOfInputChannels, 2, exception State); | 434 return createScriptProcessor(bufferSize, numberOfInputChannels, 2, exception State); |
441 } | 435 } |
442 | 436 |
443 PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t buffe rSize, size_t numberOfInputChannels, size_t numberOfOutputChannels, ExceptionSta te& exceptionState) | 437 PassRefPtr<ScriptProcessorNode> AudioContext::createScriptProcessor(size_t buffe rSize, size_t numberOfInputChannels, size_t numberOfOutputChannels, ExceptionSta te& exceptionState) |
444 { | 438 { |
445 ASSERT(isMainThread()); | 439 ASSERT(isMainThread()); |
446 lazyInitialize(); | |
447 RefPtr<ScriptProcessorNode> node = ScriptProcessorNode::create(this, m_desti nationNode->sampleRate(), bufferSize, numberOfInputChannels, numberOfOutputChann els); | 440 RefPtr<ScriptProcessorNode> node = ScriptProcessorNode::create(this, m_desti nationNode->sampleRate(), bufferSize, numberOfInputChannels, numberOfOutputChann els); |
448 | 441 |
449 if (!node.get()) { | 442 if (!node.get()) { |
450 if (!numberOfInputChannels && !numberOfOutputChannels) { | 443 if (!numberOfInputChannels && !numberOfOutputChannels) { |
451 exceptionState.throwDOMException( | 444 exceptionState.throwDOMException( |
452 IndexSizeError, | 445 IndexSizeError, |
453 "number of input channels and output channels cannot both be zer o."); | 446 "number of input channels and output channels cannot both be zer o."); |
454 } else if (numberOfInputChannels > AudioContext::maxNumberOfChannels()) { | 447 } else if (numberOfInputChannels > AudioContext::maxNumberOfChannels()) { |
455 exceptionState.throwDOMException( | 448 exceptionState.throwDOMException( |
456 IndexSizeError, | 449 IndexSizeError, |
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472 return nullptr; | 465 return nullptr; |
473 } | 466 } |
474 | 467 |
475 refNode(node.get()); // context keeps reference until we stop making javascr ipt rendering callbacks | 468 refNode(node.get()); // context keeps reference until we stop making javascr ipt rendering callbacks |
476 return node; | 469 return node; |
477 } | 470 } |
478 | 471 |
479 PassRefPtr<BiquadFilterNode> AudioContext::createBiquadFilter() | 472 PassRefPtr<BiquadFilterNode> AudioContext::createBiquadFilter() |
480 { | 473 { |
481 ASSERT(isMainThread()); | 474 ASSERT(isMainThread()); |
482 lazyInitialize(); | |
483 return BiquadFilterNode::create(this, m_destinationNode->sampleRate()); | 475 return BiquadFilterNode::create(this, m_destinationNode->sampleRate()); |
484 } | 476 } |
485 | 477 |
486 PassRefPtr<WaveShaperNode> AudioContext::createWaveShaper() | 478 PassRefPtr<WaveShaperNode> AudioContext::createWaveShaper() |
487 { | 479 { |
488 ASSERT(isMainThread()); | 480 ASSERT(isMainThread()); |
489 lazyInitialize(); | |
490 return WaveShaperNode::create(this); | 481 return WaveShaperNode::create(this); |
491 } | 482 } |
492 | 483 |
493 PassRefPtr<PannerNode> AudioContext::createPanner() | 484 PassRefPtr<PannerNode> AudioContext::createPanner() |
494 { | 485 { |
495 ASSERT(isMainThread()); | 486 ASSERT(isMainThread()); |
496 lazyInitialize(); | |
497 return PannerNode::create(this, m_destinationNode->sampleRate()); | 487 return PannerNode::create(this, m_destinationNode->sampleRate()); |
498 } | 488 } |
499 | 489 |
500 PassRefPtr<ConvolverNode> AudioContext::createConvolver() | 490 PassRefPtr<ConvolverNode> AudioContext::createConvolver() |
501 { | 491 { |
502 ASSERT(isMainThread()); | 492 ASSERT(isMainThread()); |
503 lazyInitialize(); | |
504 return ConvolverNode::create(this, m_destinationNode->sampleRate()); | 493 return ConvolverNode::create(this, m_destinationNode->sampleRate()); |
505 } | 494 } |
506 | 495 |
507 PassRefPtr<DynamicsCompressorNode> AudioContext::createDynamicsCompressor() | 496 PassRefPtr<DynamicsCompressorNode> AudioContext::createDynamicsCompressor() |
508 { | 497 { |
509 ASSERT(isMainThread()); | 498 ASSERT(isMainThread()); |
510 lazyInitialize(); | |
511 return DynamicsCompressorNode::create(this, m_destinationNode->sampleRate()) ; | 499 return DynamicsCompressorNode::create(this, m_destinationNode->sampleRate()) ; |
512 } | 500 } |
513 | 501 |
514 PassRefPtr<AnalyserNode> AudioContext::createAnalyser() | 502 PassRefPtr<AnalyserNode> AudioContext::createAnalyser() |
515 { | 503 { |
516 ASSERT(isMainThread()); | 504 ASSERT(isMainThread()); |
517 lazyInitialize(); | |
518 return AnalyserNode::create(this, m_destinationNode->sampleRate()); | 505 return AnalyserNode::create(this, m_destinationNode->sampleRate()); |
519 } | 506 } |
520 | 507 |
521 PassRefPtr<GainNode> AudioContext::createGain() | 508 PassRefPtr<GainNode> AudioContext::createGain() |
522 { | 509 { |
523 ASSERT(isMainThread()); | 510 ASSERT(isMainThread()); |
524 lazyInitialize(); | |
525 return GainNode::create(this, m_destinationNode->sampleRate()); | 511 return GainNode::create(this, m_destinationNode->sampleRate()); |
526 } | 512 } |
527 | 513 |
528 PassRefPtr<DelayNode> AudioContext::createDelay(ExceptionState& exceptionState) | 514 PassRefPtr<DelayNode> AudioContext::createDelay(ExceptionState& exceptionState) |
529 { | 515 { |
530 const double defaultMaxDelayTime = 1; | 516 const double defaultMaxDelayTime = 1; |
531 return createDelay(defaultMaxDelayTime, exceptionState); | 517 return createDelay(defaultMaxDelayTime, exceptionState); |
532 } | 518 } |
533 | 519 |
534 PassRefPtr<DelayNode> AudioContext::createDelay(double maxDelayTime, ExceptionSt ate& exceptionState) | 520 PassRefPtr<DelayNode> AudioContext::createDelay(double maxDelayTime, ExceptionSt ate& exceptionState) |
535 { | 521 { |
536 ASSERT(isMainThread()); | 522 ASSERT(isMainThread()); |
537 lazyInitialize(); | |
538 RefPtr<DelayNode> node = DelayNode::create(this, m_destinationNode->sampleRa te(), maxDelayTime, exceptionState); | 523 RefPtr<DelayNode> node = DelayNode::create(this, m_destinationNode->sampleRa te(), maxDelayTime, exceptionState); |
539 if (exceptionState.hadException()) | 524 if (exceptionState.hadException()) |
540 return nullptr; | 525 return nullptr; |
541 return node; | 526 return node; |
542 } | 527 } |
543 | 528 |
544 PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(ExceptionSta te& exceptionState) | 529 PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(ExceptionSta te& exceptionState) |
545 { | 530 { |
546 const unsigned ChannelSplitterDefaultNumberOfOutputs = 6; | 531 const unsigned ChannelSplitterDefaultNumberOfOutputs = 6; |
547 return createChannelSplitter(ChannelSplitterDefaultNumberOfOutputs, exceptio nState); | 532 return createChannelSplitter(ChannelSplitterDefaultNumberOfOutputs, exceptio nState); |
548 } | 533 } |
549 | 534 |
550 PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(size_t numbe rOfOutputs, ExceptionState& exceptionState) | 535 PassRefPtr<ChannelSplitterNode> AudioContext::createChannelSplitter(size_t numbe rOfOutputs, ExceptionState& exceptionState) |
551 { | 536 { |
552 ASSERT(isMainThread()); | 537 ASSERT(isMainThread()); |
553 lazyInitialize(); | |
554 | |
555 RefPtr<ChannelSplitterNode> node = ChannelSplitterNode::create(this, m_desti nationNode->sampleRate(), numberOfOutputs); | 538 RefPtr<ChannelSplitterNode> node = ChannelSplitterNode::create(this, m_desti nationNode->sampleRate(), numberOfOutputs); |
556 | 539 |
557 if (!node.get()) { | 540 if (!node.get()) { |
558 exceptionState.throwDOMException( | 541 exceptionState.throwDOMException( |
559 IndexSizeError, | 542 IndexSizeError, |
560 "number of outputs (" + String::number(numberOfOutputs) | 543 "number of outputs (" + String::number(numberOfOutputs) |
561 + ") must be between 1 and " | 544 + ") must be between 1 and " |
562 + String::number(AudioContext::maxNumberOfChannels()) + "."); | 545 + String::number(AudioContext::maxNumberOfChannels()) + "."); |
563 return nullptr; | 546 return nullptr; |
564 } | 547 } |
565 | 548 |
566 return node; | 549 return node; |
567 } | 550 } |
568 | 551 |
569 PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(ExceptionState& exceptionState) | 552 PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(ExceptionState& exceptionState) |
570 { | 553 { |
571 const unsigned ChannelMergerDefaultNumberOfInputs = 6; | 554 const unsigned ChannelMergerDefaultNumberOfInputs = 6; |
572 return createChannelMerger(ChannelMergerDefaultNumberOfInputs, exceptionStat e); | 555 return createChannelMerger(ChannelMergerDefaultNumberOfInputs, exceptionStat e); |
573 } | 556 } |
574 | 557 |
575 PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(size_t numberOfI nputs, ExceptionState& exceptionState) | 558 PassRefPtr<ChannelMergerNode> AudioContext::createChannelMerger(size_t numberOfI nputs, ExceptionState& exceptionState) |
576 { | 559 { |
577 ASSERT(isMainThread()); | 560 ASSERT(isMainThread()); |
578 lazyInitialize(); | |
579 | |
580 RefPtr<ChannelMergerNode> node = ChannelMergerNode::create(this, m_destinati onNode->sampleRate(), numberOfInputs); | 561 RefPtr<ChannelMergerNode> node = ChannelMergerNode::create(this, m_destinati onNode->sampleRate(), numberOfInputs); |
581 | 562 |
582 if (!node.get()) { | 563 if (!node.get()) { |
583 exceptionState.throwDOMException( | 564 exceptionState.throwDOMException( |
584 IndexSizeError, | 565 IndexSizeError, |
585 "number of inputs (" + String::number(numberOfInputs) | 566 "number of inputs (" + String::number(numberOfInputs) |
586 + ") must be between 1 and " | 567 + ") must be between 1 and " |
587 + String::number(AudioContext::maxNumberOfChannels()) + "."); | 568 + String::number(AudioContext::maxNumberOfChannels()) + "."); |
588 return nullptr; | 569 return nullptr; |
589 } | 570 } |
590 | 571 |
591 return node; | 572 return node; |
592 } | 573 } |
593 | 574 |
594 PassRefPtr<OscillatorNode> AudioContext::createOscillator() | 575 PassRefPtr<OscillatorNode> AudioContext::createOscillator() |
595 { | 576 { |
596 ASSERT(isMainThread()); | 577 ASSERT(isMainThread()); |
597 lazyInitialize(); | |
598 | |
599 RefPtr<OscillatorNode> node = OscillatorNode::create(this, m_destinationNode ->sampleRate()); | 578 RefPtr<OscillatorNode> node = OscillatorNode::create(this, m_destinationNode ->sampleRate()); |
600 | 579 |
601 // Because this is an AudioScheduledSourceNode, the context keeps a referenc e until it has finished playing. | 580 // Because this is an AudioScheduledSourceNode, the context keeps a referenc e until it has finished playing. |
602 // When this happens, AudioScheduledSourceNode::finish() calls AudioContext: :notifyNodeFinishedProcessing(). | 581 // When this happens, AudioScheduledSourceNode::finish() calls AudioContext: :notifyNodeFinishedProcessing(). |
603 refNode(node.get()); | 582 refNode(node.get()); |
604 | 583 |
605 return node; | 584 return node; |
606 } | 585 } |
607 | 586 |
608 PassRefPtr<PeriodicWave> AudioContext::createPeriodicWave(Float32Array* real, Fl oat32Array* imag, ExceptionState& exceptionState) | 587 PassRefPtr<PeriodicWave> AudioContext::createPeriodicWave(Float32Array* real, Fl oat32Array* imag, ExceptionState& exceptionState) |
609 { | 588 { |
610 ASSERT(isMainThread()); | 589 ASSERT(isMainThread()); |
611 | |
Raymond Toy
2014/04/01 17:49:49
Don't gratuitously delete (or add) blank lines.
KhNo
2014/04/01 18:25:08
Done.
| |
612 if (!real) { | 590 if (!real) { |
613 exceptionState.throwDOMException( | 591 exceptionState.throwDOMException( |
614 SyntaxError, | 592 SyntaxError, |
615 "invalid real array"); | 593 "invalid real array"); |
616 return nullptr; | 594 return nullptr; |
617 } | 595 } |
618 | 596 |
619 if (!imag) { | 597 if (!imag) { |
620 exceptionState.throwDOMException( | 598 exceptionState.throwDOMException( |
621 SyntaxError, | 599 SyntaxError, |
(...skipping 19 matching lines...) Expand all Loading... | |
641 } | 619 } |
642 | 620 |
643 if (imag->length() > 4096) { | 621 if (imag->length() > 4096) { |
644 exceptionState.throwDOMException( | 622 exceptionState.throwDOMException( |
645 IndexSizeError, | 623 IndexSizeError, |
646 "length of imaginary array (" + String::number(imag->length()) | 624 "length of imaginary array (" + String::number(imag->length()) |
647 + ") exceeds allowed maximum of 4096"); | 625 + ") exceeds allowed maximum of 4096"); |
648 return nullptr; | 626 return nullptr; |
649 } | 627 } |
650 | 628 |
651 lazyInitialize(); | |
652 return PeriodicWave::create(sampleRate(), real, imag); | 629 return PeriodicWave::create(sampleRate(), real, imag); |
653 } | 630 } |
654 | 631 |
655 void AudioContext::notifyNodeFinishedProcessing(AudioNode* node) | 632 void AudioContext::notifyNodeFinishedProcessing(AudioNode* node) |
656 { | 633 { |
657 ASSERT(isAudioThread()); | 634 ASSERT(isAudioThread()); |
658 m_finishedNodes.append(node); | 635 m_finishedNodes.append(node); |
659 } | 636 } |
660 | 637 |
661 void AudioContext::derefFinishedSourceNodes() | 638 void AudioContext::derefFinishedSourceNodes() |
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1038 } | 1015 } |
1039 | 1016 |
1040 void AudioContext::decrementActiveSourceCount() | 1017 void AudioContext::decrementActiveSourceCount() |
1041 { | 1018 { |
1042 atomicDecrement(&m_activeSourceCount); | 1019 atomicDecrement(&m_activeSourceCount); |
1043 } | 1020 } |
1044 | 1021 |
1045 } // namespace WebCore | 1022 } // namespace WebCore |
1046 | 1023 |
1047 #endif // ENABLE(WEB_AUDIO) | 1024 #endif // ENABLE(WEB_AUDIO) |
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