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| 1 /* | 1 /* |
| 2 * Copyright (C) 2012, Intel Corporation. All rights reserved. | 2 * Copyright (C) 2012, Intel Corporation. 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 |
| (...skipping 30 matching lines...) Expand all Loading... |
| 41 // where the input is simply passed through unprocessed to the output. | 41 // where the input is simply passed through unprocessed to the output. |
| 42 // Note: this only applies if the input and output channel counts match. | 42 // Note: this only applies if the input and output channel counts match. |
| 43 void AudioBasicInspectorHandler::pullInputs(size_t framesToProcess) | 43 void AudioBasicInspectorHandler::pullInputs(size_t framesToProcess) |
| 44 { | 44 { |
| 45 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... | 45 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... |
| 46 input(0).pull(output(0).bus(), framesToProcess); | 46 input(0).pull(output(0).bus(), framesToProcess); |
| 47 } | 47 } |
| 48 | 48 |
| 49 AudioNode* AudioBasicInspectorNode::connect(AudioNode* destination, unsigned out
putIndex, unsigned inputIndex, ExceptionState& exceptionState) | 49 AudioNode* AudioBasicInspectorNode::connect(AudioNode* destination, unsigned out
putIndex, unsigned inputIndex, ExceptionState& exceptionState) |
| 50 { | 50 { |
| 51 ASSERT(isMainThread()); | 51 DCHECK(isMainThread()); |
| 52 | 52 |
| 53 BaseAudioContext::AutoLocker locker(context()); | 53 BaseAudioContext::AutoLocker locker(context()); |
| 54 | 54 |
| 55 AudioNode::connect(destination, outputIndex, inputIndex, exceptionState); | 55 AudioNode::connect(destination, outputIndex, inputIndex, exceptionState); |
| 56 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); | 56 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); |
| 57 | 57 |
| 58 return destination; | 58 return destination; |
| 59 } | 59 } |
| 60 | 60 |
| 61 void AudioBasicInspectorNode::disconnect(unsigned outputIndex, ExceptionState& e
xceptionState) | 61 void AudioBasicInspectorNode::disconnect(unsigned outputIndex, ExceptionState& e
xceptionState) |
| 62 { | 62 { |
| 63 ASSERT(isMainThread()); | 63 DCHECK(isMainThread()); |
| 64 | 64 |
| 65 BaseAudioContext::AutoLocker locker(context()); | 65 BaseAudioContext::AutoLocker locker(context()); |
| 66 | 66 |
| 67 AudioNode::disconnect(outputIndex, exceptionState); | 67 AudioNode::disconnect(outputIndex, exceptionState); |
| 68 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); | 68 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); |
| 69 } | 69 } |
| 70 | 70 |
| 71 void AudioBasicInspectorHandler::checkNumberOfChannelsForInput(AudioNodeInput* i
nput) | 71 void AudioBasicInspectorHandler::checkNumberOfChannelsForInput(AudioNodeInput* i
nput) |
| 72 { | 72 { |
| 73 ASSERT(context()->isAudioThread()); | 73 DCHECK(context()->isAudioThread()); |
| 74 ASSERT(context()->isGraphOwner()); | 74 ASSERT(context()->isGraphOwner()); |
| 75 | 75 |
| 76 ASSERT(input == &this->input(0)); | 76 DCHECK_EQ(input, &this->input(0)); |
| 77 if (input != &this->input(0)) | 77 if (input != &this->input(0)) |
| 78 return; | 78 return; |
| 79 | 79 |
| 80 unsigned numberOfChannels = input->numberOfChannels(); | 80 unsigned numberOfChannels = input->numberOfChannels(); |
| 81 | 81 |
| 82 if (numberOfChannels != output(0).numberOfChannels()) { | 82 if (numberOfChannels != output(0).numberOfChannels()) { |
| 83 // This will propagate the channel count to any nodes connected further
downstream in the graph. | 83 // This will propagate the channel count to any nodes connected further
downstream in the graph. |
| 84 output(0).setNumberOfChannels(numberOfChannels); | 84 output(0).setNumberOfChannels(numberOfChannels); |
| 85 } | 85 } |
| 86 | 86 |
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| 110 } else if (!numberOfInputConnections && m_needAutomaticPull) { | 110 } else if (!numberOfInputConnections && m_needAutomaticPull) { |
| 111 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. | 111 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. |
| 112 context()->deferredTaskHandler().removeAutomaticPullNode(this); | 112 context()->deferredTaskHandler().removeAutomaticPullNode(this); |
| 113 m_needAutomaticPull = false; | 113 m_needAutomaticPull = false; |
| 114 } | 114 } |
| 115 } | 115 } |
| 116 } | 116 } |
| 117 | 117 |
| 118 } // namespace blink | 118 } // namespace blink |
| 119 | 119 |
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