| OLD | NEW |
| 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 |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 */ | 23 */ |
| 24 | 24 |
| 25 #include "config.h" | 25 #include "config.h" |
| 26 #if ENABLE(WEB_AUDIO) | 26 #if ENABLE(WEB_AUDIO) |
| 27 #include "modules/webaudio/AudioBasicInspectorNode.h" | 27 #include "modules/webaudio/AudioBasicInspectorNode.h" |
| 28 | 28 |
| 29 #include "modules/webaudio/AudioContext.h" | 29 #include "modules/webaudio/AbstractAudioContext.h" |
| 30 #include "modules/webaudio/AudioNodeInput.h" | 30 #include "modules/webaudio/AudioNodeInput.h" |
| 31 #include "modules/webaudio/AudioNodeOutput.h" | 31 #include "modules/webaudio/AudioNodeOutput.h" |
| 32 | 32 |
| 33 namespace blink { | 33 namespace blink { |
| 34 | 34 |
| 35 AudioBasicInspectorHandler::AudioBasicInspectorHandler(NodeType nodeType, AudioN
ode& node, float sampleRate, unsigned outputChannelCount) | 35 AudioBasicInspectorHandler::AudioBasicInspectorHandler(NodeType nodeType, AudioN
ode& node, float sampleRate, unsigned outputChannelCount) |
| 36 : AudioHandler(nodeType, node, sampleRate) | 36 : AudioHandler(nodeType, node, sampleRate) |
| 37 , m_needAutomaticPull(false) | 37 , m_needAutomaticPull(false) |
| 38 { | 38 { |
| 39 addInput(); | 39 addInput(); |
| 40 addOutput(outputChannelCount); | 40 addOutput(outputChannelCount); |
| 41 } | 41 } |
| 42 | 42 |
| 43 // We override pullInputs() as an optimization allowing this node to take advant
age of in-place processing, | 43 // We override pullInputs() as an optimization allowing this node to take advant
age of in-place processing, |
| 44 // where the input is simply passed through unprocessed to the output. | 44 // where the input is simply passed through unprocessed to the output. |
| 45 // Note: this only applies if the input and output channel counts match. | 45 // Note: this only applies if the input and output channel counts match. |
| 46 void AudioBasicInspectorHandler::pullInputs(size_t framesToProcess) | 46 void AudioBasicInspectorHandler::pullInputs(size_t framesToProcess) |
| 47 { | 47 { |
| 48 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... | 48 // Render input stream - try to render directly into output bus for pass-thr
ough processing where process() doesn't need to do anything... |
| 49 input(0).pull(output(0).bus(), framesToProcess); | 49 input(0).pull(output(0).bus(), framesToProcess); |
| 50 } | 50 } |
| 51 | 51 |
| 52 void AudioBasicInspectorNode::connect(AudioNode* destination, unsigned outputInd
ex, unsigned inputIndex, ExceptionState& exceptionState) | 52 void AudioBasicInspectorNode::connect(AudioNode* destination, unsigned outputInd
ex, unsigned inputIndex, ExceptionState& exceptionState) |
| 53 { | 53 { |
| 54 ASSERT(isMainThread()); | 54 ASSERT(isMainThread()); |
| 55 | 55 |
| 56 AudioContext::AutoLocker locker(context()); | 56 AbstractAudioContext::AutoLocker locker(context()); |
| 57 | 57 |
| 58 AudioNode::connect(destination, outputIndex, inputIndex, exceptionState); | 58 AudioNode::connect(destination, outputIndex, inputIndex, exceptionState); |
| 59 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); | 59 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); |
| 60 } | 60 } |
| 61 | 61 |
| 62 void AudioBasicInspectorNode::disconnect(unsigned outputIndex, ExceptionState& e
xceptionState) | 62 void AudioBasicInspectorNode::disconnect(unsigned outputIndex, ExceptionState& e
xceptionState) |
| 63 { | 63 { |
| 64 ASSERT(isMainThread()); | 64 ASSERT(isMainThread()); |
| 65 | 65 |
| 66 AudioContext::AutoLocker locker(context()); | 66 AbstractAudioContext::AutoLocker locker(context()); |
| 67 | 67 |
| 68 AudioNode::disconnect(outputIndex, exceptionState); | 68 AudioNode::disconnect(outputIndex, exceptionState); |
| 69 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); | 69 static_cast<AudioBasicInspectorHandler&>(handler()).updatePullStatus(); |
| 70 } | 70 } |
| 71 | 71 |
| 72 void AudioBasicInspectorHandler::checkNumberOfChannelsForInput(AudioNodeInput* i
nput) | 72 void AudioBasicInspectorHandler::checkNumberOfChannelsForInput(AudioNodeInput* i
nput) |
| 73 { | 73 { |
| 74 ASSERT(context()->isAudioThread()); | 74 ASSERT(context()->isAudioThread()); |
| 75 ASSERT(context()->isGraphOwner()); | 75 ASSERT(context()->isGraphOwner()); |
| 76 | 76 |
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| 112 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. | 112 // The AudioBasicInspectorNode is connected to nothing, remove it fr
om the context's automatic pull list. |
| 113 context()->deferredTaskHandler().removeAutomaticPullNode(this); | 113 context()->deferredTaskHandler().removeAutomaticPullNode(this); |
| 114 m_needAutomaticPull = false; | 114 m_needAutomaticPull = false; |
| 115 } | 115 } |
| 116 } | 116 } |
| 117 } | 117 } |
| 118 | 118 |
| 119 } // namespace blink | 119 } // namespace blink |
| 120 | 120 |
| 121 #endif // ENABLE(WEB_AUDIO) | 121 #endif // ENABLE(WEB_AUDIO) |
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