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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/AudioBasicInspectorNode.h

Issue 1865583002: Implement BaseAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 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
(...skipping 11 matching lines...) Expand all
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 #ifndef AudioBasicInspectorNode_h 25 #ifndef AudioBasicInspectorNode_h
26 #define AudioBasicInspectorNode_h 26 #define AudioBasicInspectorNode_h
27 27
28 #include "modules/webaudio/AudioNode.h" 28 #include "modules/webaudio/AudioNode.h"
29 29
30 namespace blink { 30 namespace blink {
31 31
32 class AbstractAudioContext; 32 class BaseAudioContext;
33 class ExceptionState; 33 class ExceptionState;
34 34
35 // AudioBasicInspectorNode is an AudioNode with one input and one output where t he output might not necessarily connect to another node's input. 35 // AudioBasicInspectorNode is an AudioNode with one input and one output where t he output might not necessarily connect to another node's input.
36 // If the output is not connected to any other node, then the AudioBasicInspecto rNode's processIfNecessary() function will be called automatically by 36 // If the output is not connected to any other node, then the AudioBasicInspecto rNode's processIfNecessary() function will be called automatically by
37 // AbstractAudioContext before the end of each render quantum so that it can ins pect the audio stream. 37 // BaseAudioContext before the end of each render quantum so that it can inspect the audio stream.
38 class AudioBasicInspectorHandler : public AudioHandler { 38 class AudioBasicInspectorHandler : public AudioHandler {
39 public: 39 public:
40 AudioBasicInspectorHandler(NodeType, AudioNode&, float sampleRate, unsigned outputChannelCount); 40 AudioBasicInspectorHandler(NodeType, AudioNode&, float sampleRate, unsigned outputChannelCount);
41 41
42 // AudioHandler 42 // AudioHandler
43 void pullInputs(size_t framesToProcess) final; 43 void pullInputs(size_t framesToProcess) final;
44 void checkNumberOfChannelsForInput(AudioNodeInput*) final; 44 void checkNumberOfChannelsForInput(AudioNodeInput*) final;
45 45
46 void updatePullStatus(); 46 void updatePullStatus();
47 47
48 private: 48 private:
49 bool m_needAutomaticPull; // When setting to true, AudioBasicInspectorHandle r will be pulled automaticlly by AbstractAudioContext before the end of each ren der quantum. 49 bool m_needAutomaticPull; // When setting to true, AudioBasicInspectorHandle r will be pulled automaticlly by BaseAudioContext before the end of each render quantum.
50 }; 50 };
51 51
52 class AudioBasicInspectorNode : public AudioNode { 52 class AudioBasicInspectorNode : public AudioNode {
53 protected: 53 protected:
54 explicit AudioBasicInspectorNode(AbstractAudioContext& context) : AudioNode( context) { } 54 explicit AudioBasicInspectorNode(BaseAudioContext& context) : AudioNode(cont ext) { }
55 55
56 private: 56 private:
57 // TODO(tkent): Should AudioBasicInspectorNode override other variants of 57 // TODO(tkent): Should AudioBasicInspectorNode override other variants of
58 // connect() and disconnect()? 58 // connect() and disconnect()?
59 AudioNode* connect(AudioNode*, unsigned outputIndex, unsigned inputIndex, Ex ceptionState&) final; 59 AudioNode* connect(AudioNode*, unsigned outputIndex, unsigned inputIndex, Ex ceptionState&) final;
60 void disconnect(unsigned outputIndex, ExceptionState&) final; 60 void disconnect(unsigned outputIndex, ExceptionState&) final;
61 }; 61 };
62 62
63 } // namespace blink 63 } // namespace blink
64 64
65 #endif // AudioBasicInspectorNode_h 65 #endif // AudioBasicInspectorNode_h
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