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Side by Side Diff: Source/modules/webaudio/AudioBasicInspectorNode.cpp

Issue 1214463003: Split "Online" and "Offline" AudioContext processing (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Bring to ToT Created 5 years, 5 months ago
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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
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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