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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 #include "modules/webaudio/AudioNode.h" | 28 #include "modules/webaudio/AudioNode.h" |
29 #include "wtf/OwnPtr.h" | 29 #include "wtf/OwnPtr.h" |
30 #include "wtf/RefPtr.h" | 30 #include "wtf/RefPtr.h" |
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 Reverb; | 36 class Reverb; |
37 | 37 |
38 class ConvolverNode : public AudioNode { | 38 class ConvolverNode FINAL : public AudioNode { |
39 public: | 39 public: |
40 static PassRefPtr<ConvolverNode> create(AudioContext* context, float sampleR
ate) | 40 static PassRefPtr<ConvolverNode> create(AudioContext* context, float sampleR
ate) |
41 { | 41 { |
42 return adoptRef(new ConvolverNode(context, sampleRate)); | 42 return adoptRef(new ConvolverNode(context, sampleRate)); |
43 } | 43 } |
44 | 44 |
45 virtual ~ConvolverNode(); | 45 virtual ~ConvolverNode(); |
46 | 46 |
47 // AudioNode | 47 // AudioNode |
48 virtual void process(size_t framesToProcess); | 48 virtual void process(size_t framesToProcess) OVERRIDE; |
49 virtual void reset(); | 49 virtual void reset() OVERRIDE; |
50 virtual void initialize(); | 50 virtual void initialize() OVERRIDE; |
51 virtual void uninitialize(); | 51 virtual void uninitialize() OVERRIDE; |
52 | 52 |
53 // Impulse responses | 53 // Impulse responses |
54 void setBuffer(AudioBuffer*); | 54 void setBuffer(AudioBuffer*); |
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 private: | 60 private: |
61 ConvolverNode(AudioContext*, float sampleRate); | 61 ConvolverNode(AudioContext*, float sampleRate); |
62 | 62 |
63 virtual double tailTime() const OVERRIDE; | 63 virtual double tailTime() const OVERRIDE; |
64 virtual double latencyTime() const OVERRIDE; | 64 virtual double latencyTime() const OVERRIDE; |
65 | 65 |
66 OwnPtr<Reverb> m_reverb; | 66 OwnPtr<Reverb> m_reverb; |
67 RefPtr<AudioBuffer> m_buffer; | 67 RefPtr<AudioBuffer> m_buffer; |
68 | 68 |
69 // This synchronizes dynamic changes to the convolution impulse response wit
h process(). | 69 // This synchronizes dynamic changes to the convolution impulse response wit
h process(). |
70 mutable Mutex m_processLock; | 70 mutable Mutex m_processLock; |
71 | 71 |
72 // Normalize the impulse response or not. Must default to true. | 72 // Normalize the impulse response or not. Must default to true. |
73 bool m_normalize; | 73 bool m_normalize; |
74 }; | 74 }; |
75 | 75 |
76 } // namespace WebCore | 76 } // namespace WebCore |
77 | 77 |
78 #endif // ConvolverNode_h | 78 #endif // ConvolverNode_h |
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