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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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602 } | 602 } |
603 | 603 |
604 if (!destination) { | 604 if (!destination) { |
605 exceptionState.throwDOMException(SyntaxError, "invalid destination node."); | 605 exceptionState.throwDOMException(SyntaxError, "invalid destination node."); |
606 return nullptr; | 606 return nullptr; |
607 } | 607 } |
608 | 608 |
609 // Sanity check input and output indices. | 609 // Sanity check input and output indices. |
610 if (outputIndex >= numberOfOutputs()) { | 610 if (outputIndex >= numberOfOutputs()) { |
611 exceptionState.throwDOMException( | 611 exceptionState.throwDOMException( |
612 IndexSizeError, "output index (" + String::number(outputIndex) + | 612 IndexSizeError, |
613 ") exceeds number of outputs (" + | 613 "output index (" + String::number(outputIndex) + |
614 String::number(numberOfOutputs()) + ")."); | 614 ") exceeds number of outputs (" + |
| 615 String::number(numberOfOutputs()) + ")."); |
615 return nullptr; | 616 return nullptr; |
616 } | 617 } |
617 | 618 |
618 if (destination && inputIndex >= destination->numberOfInputs()) { | 619 if (destination && inputIndex >= destination->numberOfInputs()) { |
619 exceptionState.throwDOMException( | 620 exceptionState.throwDOMException( |
620 IndexSizeError, "input index (" + String::number(inputIndex) + | 621 IndexSizeError, |
621 ") exceeds number of inputs (" + | 622 "input index (" + String::number(inputIndex) + |
622 String::number(destination->numberOfInputs()) + | 623 ") exceeds number of inputs (" + |
623 ")."); | 624 String::number(destination->numberOfInputs()) + ")."); |
624 return nullptr; | 625 return nullptr; |
625 } | 626 } |
626 | 627 |
627 if (context() != destination->context()) { | 628 if (context() != destination->context()) { |
628 exceptionState.throwDOMException(InvalidAccessError, | 629 exceptionState.throwDOMException(InvalidAccessError, |
629 "cannot connect to a destination " | 630 "cannot connect to a destination " |
630 "belonging to a different audio context."); | 631 "belonging to a different audio context."); |
631 return nullptr; | 632 return nullptr; |
632 } | 633 } |
633 | 634 |
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668 return; | 669 return; |
669 } | 670 } |
670 | 671 |
671 if (!param) { | 672 if (!param) { |
672 exceptionState.throwDOMException(SyntaxError, "invalid AudioParam."); | 673 exceptionState.throwDOMException(SyntaxError, "invalid AudioParam."); |
673 return; | 674 return; |
674 } | 675 } |
675 | 676 |
676 if (outputIndex >= numberOfOutputs()) { | 677 if (outputIndex >= numberOfOutputs()) { |
677 exceptionState.throwDOMException( | 678 exceptionState.throwDOMException( |
678 IndexSizeError, "output index (" + String::number(outputIndex) + | 679 IndexSizeError, |
679 ") exceeds number of outputs (" + | 680 "output index (" + String::number(outputIndex) + |
680 String::number(numberOfOutputs()) + ")."); | 681 ") exceeds number of outputs (" + |
| 682 String::number(numberOfOutputs()) + ")."); |
681 return; | 683 return; |
682 } | 684 } |
683 | 685 |
684 if (context() != param->context()) { | 686 if (context() != param->context()) { |
685 exceptionState.throwDOMException(SyntaxError, | 687 exceptionState.throwDOMException(SyntaxError, |
686 "cannot connect to an AudioParam " | 688 "cannot connect to an AudioParam " |
687 "belonging to a different audio context."); | 689 "belonging to a different audio context."); |
688 return; | 690 return; |
689 } | 691 } |
690 | 692 |
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798 // Sanity check on destination inputs and disconnect when possible. | 800 // Sanity check on destination inputs and disconnect when possible. |
799 for (unsigned inputIndex = 0; inputIndex < destination->numberOfInputs(); | 801 for (unsigned inputIndex = 0; inputIndex < destination->numberOfInputs(); |
800 ++inputIndex) { | 802 ++inputIndex) { |
801 if (disconnectFromOutputIfConnected(outputIndex, *destination, inputIndex)) | 803 if (disconnectFromOutputIfConnected(outputIndex, *destination, inputIndex)) |
802 numberOfDisconnections++; | 804 numberOfDisconnections++; |
803 } | 805 } |
804 | 806 |
805 // If there is no connection to the destination, throw an exception. | 807 // If there is no connection to the destination, throw an exception. |
806 if (numberOfDisconnections == 0) { | 808 if (numberOfDisconnections == 0) { |
807 exceptionState.throwDOMException( | 809 exceptionState.throwDOMException( |
808 InvalidAccessError, "output (" + String::number(outputIndex) + | 810 InvalidAccessError, |
809 ") is not connected to the given destination."); | 811 "output (" + String::number(outputIndex) + |
| 812 ") is not connected to the given destination."); |
810 } | 813 } |
811 } | 814 } |
812 | 815 |
813 void AudioNode::disconnect(AudioNode* destination, | 816 void AudioNode::disconnect(AudioNode* destination, |
814 unsigned outputIndex, | 817 unsigned outputIndex, |
815 unsigned inputIndex, | 818 unsigned inputIndex, |
816 ExceptionState& exceptionState) { | 819 ExceptionState& exceptionState) { |
817 DCHECK(isMainThread()); | 820 DCHECK(isMainThread()); |
818 BaseAudioContext::AutoLocker locker(context()); | 821 BaseAudioContext::AutoLocker locker(context()); |
819 | 822 |
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951 } | 954 } |
952 | 955 |
953 void AudioNode::didAddOutput(unsigned numberOfOutputs) { | 956 void AudioNode::didAddOutput(unsigned numberOfOutputs) { |
954 m_connectedNodes.push_back(nullptr); | 957 m_connectedNodes.push_back(nullptr); |
955 DCHECK_EQ(numberOfOutputs, m_connectedNodes.size()); | 958 DCHECK_EQ(numberOfOutputs, m_connectedNodes.size()); |
956 m_connectedParams.push_back(nullptr); | 959 m_connectedParams.push_back(nullptr); |
957 DCHECK_EQ(numberOfOutputs, m_connectedParams.size()); | 960 DCHECK_EQ(numberOfOutputs, m_connectedParams.size()); |
958 } | 961 } |
959 | 962 |
960 } // namespace blink | 963 } // namespace blink |
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