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

Issue 20300002: Fix trailing whitespace in .cpp, .h, and .idl files (ex. Source/core) (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 5 months ago
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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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28 28
29 #include "modules/webaudio/AudioDestinationNode.h" 29 #include "modules/webaudio/AudioDestinationNode.h"
30 30
31 #include "core/platform/audio/AudioUtilities.h" 31 #include "core/platform/audio/AudioUtilities.h"
32 #include "core/platform/audio/DenormalDisabler.h" 32 #include "core/platform/audio/DenormalDisabler.h"
33 #include "modules/webaudio/AudioContext.h" 33 #include "modules/webaudio/AudioContext.h"
34 #include "modules/webaudio/AudioNodeInput.h" 34 #include "modules/webaudio/AudioNodeInput.h"
35 #include "modules/webaudio/AudioNodeOutput.h" 35 #include "modules/webaudio/AudioNodeOutput.h"
36 36
37 namespace WebCore { 37 namespace WebCore {
38 38
39 AudioDestinationNode::AudioDestinationNode(AudioContext* context, float sampleRa te) 39 AudioDestinationNode::AudioDestinationNode(AudioContext* context, float sampleRa te)
40 : AudioNode(context, sampleRate) 40 : AudioNode(context, sampleRate)
41 , m_currentSampleFrame(0) 41 , m_currentSampleFrame(0)
42 { 42 {
43 ScriptWrappable::init(this); 43 ScriptWrappable::init(this);
44 addInput(adoptPtr(new AudioNodeInput(this))); 44 addInput(adoptPtr(new AudioNodeInput(this)));
45 45
46 setNodeType(NodeTypeDestination); 46 setNodeType(NodeTypeDestination);
47 } 47 }
48 48
49 AudioDestinationNode::~AudioDestinationNode() 49 AudioDestinationNode::~AudioDestinationNode()
50 { 50 {
51 uninitialize(); 51 uninitialize();
52 } 52 }
53 53
54 void AudioDestinationNode::render(AudioBus* sourceBus, AudioBus* destinationBus, size_t numberOfFrames) 54 void AudioDestinationNode::render(AudioBus* sourceBus, AudioBus* destinationBus, size_t numberOfFrames)
55 { 55 {
56 // We don't want denormals slowing down any of the audio processing 56 // We don't want denormals slowing down any of the audio processing
57 // since they can very seriously hurt performance. 57 // since they can very seriously hurt performance.
58 // This will take care of all AudioNodes because they all process within thi s scope. 58 // This will take care of all AudioNodes because they all process within thi s scope.
59 DenormalDisabler denormalDisabler; 59 DenormalDisabler denormalDisabler;
60 60
61 context()->setAudioThread(currentThread()); 61 context()->setAudioThread(currentThread());
62 62
63 if (!context()->isRunnable()) { 63 if (!context()->isRunnable()) {
64 destinationBus->zero(); 64 destinationBus->zero();
65 return; 65 return;
66 } 66 }
67 67
68 // Let the context take care of any business at the start of each render qua ntum. 68 // Let the context take care of any business at the start of each render qua ntum.
69 context()->handlePreRenderTasks(); 69 context()->handlePreRenderTasks();
70 70
71 // Prepare the local audio input provider for this render quantum. 71 // Prepare the local audio input provider for this render quantum.
72 if (sourceBus) 72 if (sourceBus)
73 m_localAudioInputProvider.set(sourceBus); 73 m_localAudioInputProvider.set(sourceBus);
74 74
75 // This will cause the node(s) connected to us to process, which in turn wil l pull on their input(s), 75 // This will cause the node(s) connected to us to process, which in turn wil l pull on their input(s),
76 // all the way backwards through the rendering graph. 76 // all the way backwards through the rendering graph.
77 AudioBus* renderedBus = input(0)->pull(destinationBus, numberOfFrames); 77 AudioBus* renderedBus = input(0)->pull(destinationBus, numberOfFrames);
78 78
79 if (!renderedBus) 79 if (!renderedBus)
80 destinationBus->zero(); 80 destinationBus->zero();
81 else if (renderedBus != destinationBus) { 81 else if (renderedBus != destinationBus) {
82 // in-place processing was not possible - so copy 82 // in-place processing was not possible - so copy
83 destinationBus->copyFrom(*renderedBus); 83 destinationBus->copyFrom(*renderedBus);
84 } 84 }
85 85
86 // Process nodes which need a little extra help because they are not connect ed to anything, but still need to process. 86 // Process nodes which need a little extra help because they are not connect ed to anything, but still need to process.
87 context()->processAutomaticPullNodes(numberOfFrames); 87 context()->processAutomaticPullNodes(numberOfFrames);
88 88
89 // Let the context take care of any business at the end of each render quant um. 89 // Let the context take care of any business at the end of each render quant um.
90 context()->handlePostRenderTasks(); 90 context()->handlePostRenderTasks();
91 91
92 // Advance current sample-frame. 92 // Advance current sample-frame.
93 m_currentSampleFrame += numberOfFrames; 93 m_currentSampleFrame += numberOfFrames;
94 } 94 }
95 95
96 } // namespace WebCore 96 } // namespace WebCore
97 97
98 #endif // ENABLE(WEB_AUDIO) 98 #endif // ENABLE(WEB_AUDIO)
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