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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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31 #include "wtf/ThreadingPrimitives.h" | 31 #include "wtf/ThreadingPrimitives.h" |
32 | 32 |
33 namespace WebCore { | 33 namespace WebCore { |
34 | 34 |
35 class AudioBuffer; | 35 class AudioBuffer; |
36 class ExceptionState; | 36 class ExceptionState; |
37 class Reverb; | 37 class Reverb; |
38 | 38 |
39 class ConvolverNode FINAL : public AudioNode { | 39 class ConvolverNode FINAL : public AudioNode { |
40 public: | 40 public: |
41 static PassRefPtr<ConvolverNode> create(AudioContext* context, float sampleR
ate) | 41 static PassRefPtrWillBeRawPtr<ConvolverNode> create(AudioContext* context, f
loat sampleRate) |
42 { | 42 { |
43 return adoptRef(new ConvolverNode(context, sampleRate)); | 43 return adoptRefWillBeNoop(new ConvolverNode(context, sampleRate)); |
44 } | 44 } |
45 | 45 |
46 virtual ~ConvolverNode(); | 46 virtual ~ConvolverNode(); |
47 | 47 |
48 // AudioNode | 48 // AudioNode |
49 virtual void process(size_t framesToProcess) OVERRIDE; | 49 virtual void process(size_t framesToProcess) OVERRIDE; |
50 virtual void initialize() OVERRIDE; | 50 virtual void initialize() OVERRIDE; |
51 virtual void uninitialize() OVERRIDE; | 51 virtual void uninitialize() OVERRIDE; |
52 | 52 |
53 // Impulse responses | 53 // Impulse responses |
54 void setBuffer(AudioBuffer*, ExceptionState&); | 54 void setBuffer(AudioBuffer*, ExceptionState&); |
55 AudioBuffer* buffer(); | 55 AudioBuffer* buffer(); |
56 | 56 |
57 bool normalize() const { return m_normalize; } | 57 bool normalize() const { return m_normalize; } |
58 void setNormalize(bool normalize) { m_normalize = normalize; } | 58 void setNormalize(bool normalize) { m_normalize = normalize; } |
59 | 59 |
| 60 virtual void trace(Visitor*) OVERRIDE; |
| 61 |
60 private: | 62 private: |
61 ConvolverNode(AudioContext*, float sampleRate); | 63 ConvolverNode(AudioContext*, float sampleRate); |
62 | 64 |
63 virtual double tailTime() const OVERRIDE; | 65 virtual double tailTime() const OVERRIDE; |
64 virtual double latencyTime() const OVERRIDE; | 66 virtual double latencyTime() const OVERRIDE; |
65 | 67 |
66 OwnPtr<Reverb> m_reverb; | 68 OwnPtr<Reverb> m_reverb; |
67 RefPtr<AudioBuffer> m_buffer; | 69 RefPtrWillBeMember<AudioBuffer> m_buffer; |
68 | 70 |
69 // This synchronizes dynamic changes to the convolution impulse response wit
h process(). | 71 // This synchronizes dynamic changes to the convolution impulse response wit
h process(). |
70 mutable Mutex m_processLock; | 72 mutable Mutex m_processLock; |
71 | 73 |
72 // Normalize the impulse response or not. Must default to true. | 74 // Normalize the impulse response or not. Must default to true. |
73 bool m_normalize; | 75 bool m_normalize; |
74 }; | 76 }; |
75 | 77 |
76 } // namespace WebCore | 78 } // namespace WebCore |
77 | 79 |
78 #endif // ConvolverNode_h | 80 #endif // ConvolverNode_h |
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