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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 |
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| 70 | 70 |
| 71 BaseAudioContext::AutoLocker locker(context()); | 71 BaseAudioContext::AutoLocker locker(context()); |
| 72 | 72 |
| 73 AudioNode::disconnect(output_index, exception_state); | 73 AudioNode::disconnect(output_index, exception_state); |
| 74 static_cast<AudioBasicInspectorHandler&>(Handler()).UpdatePullStatus(); | 74 static_cast<AudioBasicInspectorHandler&>(Handler()).UpdatePullStatus(); |
| 75 } | 75 } |
| 76 | 76 |
| 77 void AudioBasicInspectorHandler::CheckNumberOfChannelsForInput( | 77 void AudioBasicInspectorHandler::CheckNumberOfChannelsForInput( |
| 78 AudioNodeInput* input) { | 78 AudioNodeInput* input) { |
| 79 DCHECK(Context()->IsAudioThread()); | 79 DCHECK(Context()->IsAudioThread()); |
| 80 ASSERT(Context()->IsGraphOwner()); | 80 DCHECK(Context()->IsGraphOwner()); |
| 81 | 81 |
| 82 DCHECK_EQ(input, &this->Input(0)); | 82 DCHECK_EQ(input, &this->Input(0)); |
| 83 if (input != &this->Input(0)) | 83 if (input != &this->Input(0)) |
| 84 return; | 84 return; |
| 85 | 85 |
| 86 unsigned number_of_channels = input->NumberOfChannels(); | 86 unsigned number_of_channels = input->NumberOfChannels(); |
| 87 | 87 |
| 88 if (number_of_channels != Output(0).NumberOfChannels()) { | 88 if (number_of_channels != Output(0).NumberOfChannels()) { |
| 89 // This will propagate the channel count to any nodes connected further | 89 // This will propagate the channel count to any nodes connected further |
| 90 // downstream in the graph. | 90 // downstream in the graph. |
| 91 Output(0).SetNumberOfChannels(number_of_channels); | 91 Output(0).SetNumberOfChannels(number_of_channels); |
| 92 } | 92 } |
| 93 | 93 |
| 94 AudioHandler::CheckNumberOfChannelsForInput(input); | 94 AudioHandler::CheckNumberOfChannelsForInput(input); |
| 95 | 95 |
| 96 UpdatePullStatus(); | 96 UpdatePullStatus(); |
| 97 } | 97 } |
| 98 | 98 |
| 99 void AudioBasicInspectorHandler::UpdatePullStatus() { | 99 void AudioBasicInspectorHandler::UpdatePullStatus() { |
| 100 ASSERT(Context()->IsGraphOwner()); | 100 DCHECK(Context()->IsGraphOwner()); |
| 101 | 101 |
| 102 if (Output(0).IsConnected()) { | 102 if (Output(0).IsConnected()) { |
| 103 // When an AudioBasicInspectorNode is connected to a downstream node, it | 103 // When an AudioBasicInspectorNode is connected to a downstream node, it |
| 104 // will get pulled by the downstream node, thus remove it from the context's | 104 // will get pulled by the downstream node, thus remove it from the context's |
| 105 // automatic pull list. | 105 // automatic pull list. |
| 106 if (need_automatic_pull_) { | 106 if (need_automatic_pull_) { |
| 107 Context()->GetDeferredTaskHandler().RemoveAutomaticPullNode(this); | 107 Context()->GetDeferredTaskHandler().RemoveAutomaticPullNode(this); |
| 108 need_automatic_pull_ = false; | 108 need_automatic_pull_ = false; |
| 109 } | 109 } |
| 110 } else { | 110 } else { |
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| 122 // pull list. AnalyserNode's need to be pulled even with no | 122 // pull list. AnalyserNode's need to be pulled even with no |
| 123 // inputs so that the internal state gets updated to hold the | 123 // inputs so that the internal state gets updated to hold the |
| 124 // right time and FFT data. | 124 // right time and FFT data. |
| 125 Context()->GetDeferredTaskHandler().RemoveAutomaticPullNode(this); | 125 Context()->GetDeferredTaskHandler().RemoveAutomaticPullNode(this); |
| 126 need_automatic_pull_ = false; | 126 need_automatic_pull_ = false; |
| 127 } | 127 } |
| 128 } | 128 } |
| 129 } | 129 } |
| 130 | 130 |
| 131 } // namespace blink | 131 } // namespace blink |
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