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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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26 #define AnalyserNode_h | 26 #define AnalyserNode_h |
27 | 27 |
28 #include "modules/webaudio/AudioBasicInspectorNode.h" | 28 #include "modules/webaudio/AudioBasicInspectorNode.h" |
29 #include "modules/webaudio/RealtimeAnalyser.h" | 29 #include "modules/webaudio/RealtimeAnalyser.h" |
30 #include "wtf/Forward.h" | 30 #include "wtf/Forward.h" |
31 | 31 |
32 namespace WebCore { | 32 namespace WebCore { |
33 | 33 |
34 class ExceptionState; | 34 class ExceptionState; |
35 | 35 |
36 class AnalyserNode : public AudioBasicInspectorNode { | 36 class AnalyserNode FINAL : public AudioBasicInspectorNode { |
37 public: | 37 public: |
38 static PassRefPtr<AnalyserNode> create(AudioContext* context, float sampleRa
te) | 38 static PassRefPtr<AnalyserNode> create(AudioContext* context, float sampleRa
te) |
39 { | 39 { |
40 return adoptRef(new AnalyserNode(context, sampleRate)); | 40 return adoptRef(new AnalyserNode(context, sampleRate)); |
41 } | 41 } |
42 | 42 |
43 virtual ~AnalyserNode(); | 43 virtual ~AnalyserNode(); |
44 | 44 |
45 // AudioNode | 45 // AudioNode |
46 virtual void process(size_t framesToProcess); | 46 virtual void process(size_t framesToProcess) OVERRIDE; |
47 virtual void reset(); | 47 virtual void reset() OVERRIDE; |
48 | 48 |
49 // Javascript bindings | 49 // Javascript bindings |
50 unsigned fftSize() const { return m_analyser.fftSize(); } | 50 unsigned fftSize() const { return m_analyser.fftSize(); } |
51 void setFftSize(unsigned size, ExceptionState&); | 51 void setFftSize(unsigned size, ExceptionState&); |
52 | 52 |
53 unsigned frequencyBinCount() const { return m_analyser.frequencyBinCount();
} | 53 unsigned frequencyBinCount() const { return m_analyser.frequencyBinCount();
} |
54 | 54 |
55 void setMinDecibels(float k, ExceptionState&); | 55 void setMinDecibels(float k, ExceptionState&); |
56 float minDecibels() const { return m_analyser.minDecibels(); } | 56 float minDecibels() const { return m_analyser.minDecibels(); } |
57 | 57 |
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70 virtual double latencyTime() const OVERRIDE { return 0; } | 70 virtual double latencyTime() const OVERRIDE { return 0; } |
71 | 71 |
72 AnalyserNode(AudioContext*, float sampleRate); | 72 AnalyserNode(AudioContext*, float sampleRate); |
73 | 73 |
74 RealtimeAnalyser m_analyser; | 74 RealtimeAnalyser m_analyser; |
75 }; | 75 }; |
76 | 76 |
77 } // namespace WebCore | 77 } // namespace WebCore |
78 | 78 |
79 #endif // AnalyserNode_h | 79 #endif // AnalyserNode_h |
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