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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
(...skipping 22 matching lines...) Expand all Loading... | |
33 | 33 |
34 #include "bindings/core/v8/ExceptionMessages.h" | 34 #include "bindings/core/v8/ExceptionMessages.h" |
35 #include "bindings/core/v8/ExceptionState.h" | 35 #include "bindings/core/v8/ExceptionState.h" |
36 #include "core/dom/DOMArrayBuffer.h" | 36 #include "core/dom/DOMArrayBuffer.h" |
37 #include "core/dom/DOMArrayBufferView.h" | 37 #include "core/dom/DOMArrayBufferView.h" |
38 #include "core/dom/ExceptionCode.h" | 38 #include "core/dom/ExceptionCode.h" |
39 #include "core/dom/ExecutionContext.h" | 39 #include "core/dom/ExecutionContext.h" |
40 #include "core/events/Event.h" | 40 #include "core/events/Event.h" |
41 #include "core/events/GenericEventQueue.h" | 41 #include "core/events/GenericEventQueue.h" |
42 #include "core/fileapi/FileReaderLoader.h" | 42 #include "core/fileapi/FileReaderLoader.h" |
43 #include "core/html/HTMLMediaElement.h" | |
44 #include "core/html/MediaError.h" | |
43 #include "core/html/TimeRanges.h" | 45 #include "core/html/TimeRanges.h" |
44 #include "core/streams/Stream.h" | 46 #include "core/streams/Stream.h" |
45 #include "modules/mediasource/MediaSource.h" | 47 #include "modules/mediasource/MediaSource.h" |
46 #include "platform/Logging.h" | 48 #include "platform/Logging.h" |
47 #include "platform/TraceEvent.h" | 49 #include "platform/TraceEvent.h" |
48 #include "public/platform/WebSourceBuffer.h" | 50 #include "public/platform/WebSourceBuffer.h" |
49 #include "wtf/MathExtras.h" | 51 #include "wtf/MathExtras.h" |
50 | 52 |
51 #include <limits> | 53 #include <limits> |
52 | 54 |
(...skipping 453 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
506 void SourceBuffer::scheduleEvent(const AtomicString& eventName) | 508 void SourceBuffer::scheduleEvent(const AtomicString& eventName) |
507 { | 509 { |
508 ASSERT(m_asyncEventQueue); | 510 ASSERT(m_asyncEventQueue); |
509 | 511 |
510 RefPtrWillBeRawPtr<Event> event = Event::create(eventName); | 512 RefPtrWillBeRawPtr<Event> event = Event::create(eventName); |
511 event->setTarget(this); | 513 event->setTarget(this); |
512 | 514 |
513 m_asyncEventQueue->enqueueEvent(event.release()); | 515 m_asyncEventQueue->enqueueEvent(event.release()); |
514 } | 516 } |
515 | 517 |
518 bool SourceBuffer::prepareAppend(ExceptionState& exceptionState) | |
519 { | |
520 TRACE_EVENT_ASYNC_BEGIN0("media", "SourceBuffer::prepareAppend", this); | |
521 // http://w3c.github.io/media-source/#sourcebuffer-prepare-append | |
522 // 3.5.4 Prepare Append Algorithm | |
philipj_slow
2015/07/02 09:48:21
Section numbers tend to change, but they are consi
servolk
2015/07/07 23:01:52
Acknowledged.
| |
523 // 1. If the SourceBuffer has been removed from the sourceBuffers attribute of the parent media source then throw an InvalidStateError exception and abort these steps. | |
philipj_slow
2015/07/02 09:48:21
This is indented more than (some of) the steps tha
servolk
2015/07/07 23:01:52
Done.
| |
524 // 2. If the updating attribute equals true, then throw an InvalidStateErro r exception and abort these steps. | |
525 if (throwExceptionIfRemovedOrUpdating(isRemoved(), m_updating, exceptionStat e)) { | |
526 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::prepareAppend", this); | |
527 return false; | |
528 } | |
529 | |
530 // 3. If the HTMLMediaElement.error attribute is not null. then throw an Inv alidStateError exception and abort these steps. | |
philipj_slow
2015/07/02 09:48:21
https://www.w3.org/Bugs/Public/show_bug.cgi?id=288
servolk
2015/07/07 23:01:52
Done.
| |
531 if (m_source->getHTMLMediaElement()->error()) { | |
532 exceptionState.throwDOMException(InvalidStateError, "Error detected in H TMLMediaElement this SourceBuffer is attached to."); | |
philipj_slow
2015/07/02 09:48:21
This error message doesn't appear in any test expe
servolk
2015/07/07 23:01:52
Done.
| |
533 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::prepareAppend", this); | |
534 return false; | |
535 } | |
536 | |
537 // 4. If the readyState attribute of the parent media source is in the "end ed" state then run the following steps: | |
538 // 1. Set the readyState attribute of the parent media source to "open" | |
539 // 2. Queue a task to fire a simple event named sourceopen at the parent media source . | |
philipj_slow
2015/07/02 09:48:21
https://www.w3.org/Bugs/Public/show_bug.cgi?id=288
servolk
2015/07/07 23:01:52
Done.
| |
540 m_source->openIfInEndedState(); | |
541 | |
542 // 5. Run the coded frame eviction algorithm. | |
543 if (!evictCodedFrames()) { | |
544 // 6. If the buffer full flag equals true, then throw a QUOTA_EXCEEDED_ ERR exception and abort these steps. | |
545 exceptionState.throwDOMException(QuotaExceededError, "The SourceBuffer i s full, and cannot free space to append additional buffers."); | |
546 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::prepareAppend", this); | |
547 return false; | |
548 } | |
549 | |
550 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::prepareAppend", this); | |
551 return true; | |
552 } | |
553 | |
554 bool SourceBuffer::evictCodedFrames() | |
555 { | |
556 double currentTime = m_source->getHTMLMediaElement()->currentTime(); | |
philipj_slow
2015/07/02 09:48:21
Can m_source or m_source->getHTMLMediaElement() be
servolk
2015/07/07 23:01:52
It shouldn't be null here, since evictCodedFrame i
| |
557 return m_webSourceBuffer->evictCodedFrames(currentTime); | |
558 } | |
559 | |
516 void SourceBuffer::appendBufferInternal(const unsigned char* data, unsigned size , ExceptionState& exceptionState) | 560 void SourceBuffer::appendBufferInternal(const unsigned char* data, unsigned size , ExceptionState& exceptionState) |
517 { | 561 { |
562 TRACE_EVENT_ASYNC_BEGIN1("media", "SourceBuffer::appendBuffer", this, "size" , size); | |
518 // Section 3.2 appendBuffer() | 563 // Section 3.2 appendBuffer() |
519 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data | 564 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data |
520 | 565 |
521 // 1. Run the prepare append algorithm. | 566 // 1. Run the prepare append algorithm. |
522 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou rce.html#sourcebuffer-prepare-append | 567 if (!prepareAppend(exceptionState)) { |
523 // 1. If this object has been removed from the sourceBuffers attribute of t he parent media source then throw an InvalidStateError exception and abort these steps. | 568 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendBuffer", this); |
524 // 2. If the updating attribute equals true, then throw an InvalidStateErro r exception and abort these steps. | |
525 if (throwExceptionIfRemovedOrUpdating(isRemoved(), m_updating, exceptionStat e)) | |
526 return; | 569 return; |
527 | 570 } |
528 TRACE_EVENT_ASYNC_BEGIN1("media", "SourceBuffer::appendBuffer", this, "size" , size); | 571 TRACE_EVENT_ASYNC_STEP_INTO0("media", "SourceBuffer::appendBuffer", this, "p repareAppend"); |
529 | |
530 // 3. If the readyState attribute of the parent media source is in the "end ed" state then run the following steps: ... | |
531 m_source->openIfInEndedState(); | |
532 | |
533 // Steps 4-5 - end "prepare append" algorithm. | |
534 | 572 |
535 // 2. Add data to the end of the input buffer. | 573 // 2. Add data to the end of the input buffer. |
536 ASSERT(data || size == 0); | 574 ASSERT(data || size == 0); |
537 if (data) | 575 if (data) |
538 m_pendingAppendData.append(data, size); | 576 m_pendingAppendData.append(data, size); |
539 m_pendingAppendDataOffset = 0; | 577 m_pendingAppendDataOffset = 0; |
540 | 578 |
541 // 3. Set the updating attribute to true. | 579 // 3. Set the updating attribute to true. |
542 m_updating = true; | 580 m_updating = true; |
543 | 581 |
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623 | 661 |
624 // 11. Queue a task to fire a simple event named update at this SourceBuffer object. | 662 // 11. Queue a task to fire a simple event named update at this SourceBuffer object. |
625 scheduleEvent(EventTypeNames::update); | 663 scheduleEvent(EventTypeNames::update); |
626 | 664 |
627 // 12. Queue a task to fire a simple event named updateend at this SourceBuf fer object. | 665 // 12. Queue a task to fire a simple event named updateend at this SourceBuf fer object. |
628 scheduleEvent(EventTypeNames::updateend); | 666 scheduleEvent(EventTypeNames::updateend); |
629 } | 667 } |
630 | 668 |
631 void SourceBuffer::appendStreamInternal(Stream* stream, ExceptionState& exceptio nState) | 669 void SourceBuffer::appendStreamInternal(Stream* stream, ExceptionState& exceptio nState) |
632 { | 670 { |
671 TRACE_EVENT_ASYNC_BEGIN0("media", "SourceBuffer::appendStream", this); | |
672 | |
633 // Section 3.2 appendStream() | 673 // Section 3.2 appendStream() |
634 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou rce.html#widl-SourceBuffer-appendStream-void-Stream-stream-unsigned-long-long-ma xSize | 674 // http://w3c.github.io/media-source/#widl-SourceBuffer-appendStream-void-Re adableStream-stream-unsigned-long-long-maxSize |
635 // (0. If the stream has been neutered, then throw an InvalidAccessError exc eption and abort these steps.) | 675 // (0. If the stream has been neutered, then throw an InvalidAccessError exc eption and abort these steps.) |
636 if (stream->isNeutered()) { | 676 if (stream->isNeutered()) { |
637 exceptionState.throwDOMException(InvalidAccessError, "The stream provide d has been neutered."); | 677 exceptionState.throwDOMException(InvalidAccessError, "The stream provide d has been neutered."); |
678 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendStream", this); | |
638 return; | 679 return; |
639 } | 680 } |
640 | 681 |
641 // 1. Run the prepare append algorithm. | 682 // 1. Run the prepare append algorithm. |
642 // Section 3.5.4 Prepare Append Algorithm. | 683 if (!prepareAppend(exceptionState)) { |
643 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-so urce.html#sourcebuffer-prepare-append | 684 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendStream", this); |
644 // 1. If this object has been removed from the sourceBuffers attribute of t he parent media source then throw an InvalidStateError exception and abort these steps. | |
645 // 2. If the updating attribute equals true, then throw an InvalidStateErro r exception and abort these steps. | |
646 if (throwExceptionIfRemovedOrUpdating(isRemoved(), m_updating, exceptionStat e)) | |
647 return; | 685 return; |
648 | 686 } |
649 TRACE_EVENT_ASYNC_BEGIN0("media", "SourceBuffer::appendStream", this); | |
650 | |
651 // 3. If the readyState attribute of the parent media source is in the "end ed" state then run the following steps: ... | |
652 m_source->openIfInEndedState(); | |
653 | |
654 // Steps 4-5 of the prepare append algorithm are handled by m_webSourceBuffe r. | |
655 | 687 |
656 // 2. Set the updating attribute to true. | 688 // 2. Set the updating attribute to true. |
657 m_updating = true; | 689 m_updating = true; |
658 | 690 |
659 // 3. Queue a task to fire a simple event named updatestart at this SourceBu ffer object. | 691 // 3. Queue a task to fire a simple event named updatestart at this SourceBu ffer object. |
660 scheduleEvent(EventTypeNames::updatestart); | 692 scheduleEvent(EventTypeNames::updatestart); |
661 | 693 |
662 // 4. Asynchronously run the stream append loop algorithm with stream and ma xSize. | 694 // 4. Asynchronously run the stream append loop algorithm with stream and ma xSize. |
663 | |
664 stream->neuter(); | 695 stream->neuter(); |
665 m_loader = adoptPtr(new FileReaderLoader(FileReaderLoader::ReadByClient, thi s)); | 696 m_loader = adoptPtr(new FileReaderLoader(FileReaderLoader::ReadByClient, thi s)); |
666 m_stream = stream; | 697 m_stream = stream; |
667 m_appendStreamAsyncPartRunner.runAsync(); | 698 m_appendStreamAsyncPartRunner.runAsync(); |
668 } | 699 } |
669 | 700 |
670 void SourceBuffer::appendStreamAsyncPart() | 701 void SourceBuffer::appendStreamAsyncPart() |
671 { | 702 { |
672 ASSERT(m_updating); | 703 ASSERT(m_updating); |
673 ASSERT(m_loader); | 704 ASSERT(m_loader); |
674 ASSERT(m_stream); | 705 ASSERT(m_stream); |
706 TRACE_EVENT_ASYNC_STEP_INTO0("media", "SourceBuffer::appendStream", this, "a ppendStreamAsyncPart"); | |
675 | 707 |
676 // Section 3.5.6 Stream Append Loop | 708 // Section 3.5.6 Stream Append Loop |
677 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou rce.html#sourcebuffer-stream-append-loop | 709 // http://w3c.github.io/media-source/#sourcebuffer-stream-append-loop |
678 | 710 |
679 // 1. If maxSize is set, then let bytesLeft equal maxSize. | 711 // 1. If maxSize is set, then let bytesLeft equal maxSize. |
680 // 2. Loop Top: If maxSize is set and bytesLeft equals 0, then jump to the l oop done step below. | 712 // 2. Loop Top: If maxSize is set and bytesLeft equals 0, then jump to the l oop done step below. |
681 if (m_streamMaxSizeValid && !m_streamMaxSize) { | 713 if (m_streamMaxSizeValid && !m_streamMaxSize) { |
682 appendStreamDone(true); | 714 appendStreamDone(true); |
683 return; | 715 return; |
684 } | 716 } |
685 | 717 |
686 // Steps 3-11 are handled by m_loader. | 718 // Steps 3-11 are handled by m_loader. |
687 // Note: Passing 0 here signals that maxSize was not set. (i.e. Read all the data in the stream). | 719 // Note: Passing 0 here signals that maxSize was not set. (i.e. Read all the data in the stream). |
688 m_loader->start(executionContext(), *m_stream, m_streamMaxSizeValid ? m_stre amMaxSize : 0); | 720 m_loader->start(executionContext(), *m_stream, m_streamMaxSizeValid ? m_stre amMaxSize : 0); |
689 } | 721 } |
690 | 722 |
691 void SourceBuffer::appendStreamDone(bool success) | 723 void SourceBuffer::appendStreamDone(bool success) |
692 { | 724 { |
693 ASSERT(m_updating); | 725 ASSERT(m_updating); |
694 ASSERT(m_loader); | 726 ASSERT(m_loader); |
695 ASSERT(m_stream); | 727 ASSERT(m_stream); |
696 | 728 |
697 clearAppendStreamState(); | 729 clearAppendStreamState(); |
698 | 730 |
699 if (!success) { | 731 if (!success) { |
700 // Section 3.5.3 Append Error Algorithm | 732 appendError(false); |
701 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media -source.html#sourcebuffer-append-error | |
702 // | |
703 // 1. Run the reset parser state algorithm. (Handled by caller) | |
704 // 2. Set the updating attribute to false. | |
705 m_updating = false; | |
706 | |
707 // 3. Queue a task to fire a simple event named error at this SourceBuff er object. | |
708 scheduleEvent(EventTypeNames::error); | |
709 | |
710 // 4. Queue a task to fire a simple event named updateend at this Source Buffer object. | |
711 scheduleEvent(EventTypeNames::updateend); | |
712 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendStream", this); | 733 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendStream", this); |
713 return; | 734 return; |
714 } | 735 } |
715 | 736 |
716 // Section 3.5.6 Stream Append Loop | 737 // Section 3.5.6 Stream Append Loop |
717 // Steps 1-11 are handled by appendStreamAsyncPart(), |m_loader|, and |m_web SourceBuffer|. | 738 // Steps 1-11 are handled by appendStreamAsyncPart(), |m_loader|, and |m_web SourceBuffer|. |
739 | |
718 // 12. Loop Done: Set the updating attribute to false. | 740 // 12. Loop Done: Set the updating attribute to false. |
719 m_updating = false; | 741 m_updating = false; |
720 | 742 |
721 // 13. Queue a task to fire a simple event named update at this SourceBuffer object. | 743 // 13. Queue a task to fire a simple event named update at this SourceBuffer object. |
722 scheduleEvent(EventTypeNames::update); | 744 scheduleEvent(EventTypeNames::update); |
723 | 745 |
724 // 14. Queue a task to fire a simple event named updateend at this SourceBuf fer object. | 746 // 14. Queue a task to fire a simple event named updateend at this SourceBuf fer object. |
725 scheduleEvent(EventTypeNames::updateend); | 747 scheduleEvent(EventTypeNames::updateend); |
726 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendStream", this); | 748 TRACE_EVENT_ASYNC_END0("media", "SourceBuffer::appendStream", this); |
727 } | 749 } |
728 | 750 |
729 void SourceBuffer::clearAppendStreamState() | 751 void SourceBuffer::clearAppendStreamState() |
730 { | 752 { |
731 m_streamMaxSizeValid = false; | 753 m_streamMaxSizeValid = false; |
732 m_streamMaxSize = 0; | 754 m_streamMaxSize = 0; |
733 m_loader.clear(); | 755 m_loader.clear(); |
734 m_stream = nullptr; | 756 m_stream = nullptr; |
735 } | 757 } |
736 | 758 |
759 void SourceBuffer::appendError(bool decodeError) | |
760 { | |
761 // Section 3.5.3 Append Error Algorithm | |
762 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou rce.html#sourcebuffer-append-error | |
763 // | |
764 // 1. Run the reset parser state algorithm. (Handled by caller) | |
philipj_slow
2015/07/02 09:48:21
Is there anything that can be asserted to check th
servolk
2015/07/07 23:01:52
TBH, initially I just copied this block of code fr
| |
765 // 2. Set the updating attribute to false. | |
766 m_updating = false; | |
767 | |
768 // 3. Queue a task to fire a simple event named error at this SourceBuffer o bject. | |
769 scheduleEvent(EventTypeNames::error); | |
770 | |
771 // 4. Queue a task to fire a simple event named updateend at this SourceBuff er object. | |
772 scheduleEvent(EventTypeNames::updateend); | |
773 | |
774 // 5. If decode error is true, then run the end of stream algorithm with the | |
775 // error parameter set to "decode". | |
776 if (decodeError) { | |
philipj_slow
2015/07/02 09:48:22
Don't need the {} for one line.
servolk
2015/07/07 23:01:52
Done.
| |
777 m_source->endOfStream("decode", ASSERT_NO_EXCEPTION); | |
778 } | |
779 } | |
780 | |
737 void SourceBuffer::didStartLoading() | 781 void SourceBuffer::didStartLoading() |
738 { | 782 { |
739 WTF_LOG(Media, "SourceBuffer::didStartLoading() %p", this); | 783 WTF_LOG(Media, "SourceBuffer::didStartLoading() %p", this); |
740 } | 784 } |
741 | 785 |
742 void SourceBuffer::didReceiveDataForClient(const char* data, unsigned dataLength ) | 786 void SourceBuffer::didReceiveDataForClient(const char* data, unsigned dataLength ) |
743 { | 787 { |
744 WTF_LOG(Media, "SourceBuffer::didReceiveDataForClient(%d) %p", dataLength, t his); | 788 WTF_LOG(Media, "SourceBuffer::didReceiveDataForClient(%d) %p", dataLength, t his); |
745 ASSERT(m_updating); | 789 ASSERT(m_updating); |
746 ASSERT(m_loader); | 790 ASSERT(m_loader); |
747 m_webSourceBuffer->append(reinterpret_cast<const unsigned char*>(data), data Length, &m_timestampOffset); | 791 m_webSourceBuffer->append(reinterpret_cast<const unsigned char*>(data), data Length, &m_timestampOffset); |
748 } | 792 } |
749 | 793 |
750 void SourceBuffer::didFinishLoading() | 794 void SourceBuffer::didFinishLoading() |
751 { | 795 { |
752 WTF_LOG(Media, "SourceBuffer::didFinishLoading() %p", this); | 796 WTF_LOG(Media, "SourceBuffer::didFinishLoading() %p", this); |
753 appendStreamDone(true); | 797 // Section 3.5.6 Stream Append Loop |
798 // Steps 1-9 are handled by appendStreamAsyncPart(), |m_loader|, and |m_webS ourceBuffer|. | |
799 | |
800 // 10. Run the coded frame eviction algorithm. | |
801 bool evictCodedFramesResult = evictCodedFrames(); | |
802 | |
803 // (will be done inside appendStreamDone) | |
804 // 11. If the buffer full flag equals true, then run the append error algori thm with the decode error parameter set to false and abort this algorithm. | |
philipj_slow
2015/07/02 09:48:21
This and some other comments is a bit long, if you
servolk
2015/07/07 23:01:52
I was just trying to be consistent with the rest o
philipj_slow
2015/07/08 12:47:43
Looks like different parts of this file use differ
servolk
2015/07/08 19:03:47
Acknowledged.
| |
805 appendStreamDone(evictCodedFramesResult); | |
754 } | 806 } |
755 | 807 |
756 void SourceBuffer::didFail(FileError::ErrorCode errorCode) | 808 void SourceBuffer::didFail(FileError::ErrorCode errorCode) |
757 { | 809 { |
758 WTF_LOG(Media, "SourceBuffer::didFail(%d) %p", errorCode, this); | 810 WTF_LOG(Media, "SourceBuffer::didFail(%d) %p", errorCode, this); |
759 appendStreamDone(false); | 811 appendStreamDone(false); |
760 } | 812 } |
761 | 813 |
762 DEFINE_TRACE(SourceBuffer) | 814 DEFINE_TRACE(SourceBuffer) |
763 { | 815 { |
764 visitor->trace(m_source); | 816 visitor->trace(m_source); |
765 visitor->trace(m_stream); | 817 visitor->trace(m_stream); |
766 visitor->trace(m_trackDefaults); | 818 visitor->trace(m_trackDefaults); |
767 visitor->trace(m_asyncEventQueue); | 819 visitor->trace(m_asyncEventQueue); |
768 RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>::trace(vis itor); | 820 RefCountedGarbageCollectedEventTargetWithInlineData<SourceBuffer>::trace(vis itor); |
769 ActiveDOMObject::trace(visitor); | 821 ActiveDOMObject::trace(visitor); |
770 } | 822 } |
771 | 823 |
772 } // namespace blink | 824 } // namespace blink |
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