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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 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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56 | 56 |
57 void process(const AudioChannel* sourceChannel, AudioChannel* destinationCha
nnel, size_t framesToProcess); | 57 void process(const AudioChannel* sourceChannel, AudioChannel* destinationCha
nnel, size_t framesToProcess); |
58 void reset(); | 58 void reset(); |
59 | 59 |
60 ReverbInputBuffer* inputBuffer() { return &m_inputBuffer; } | 60 ReverbInputBuffer* inputBuffer() { return &m_inputBuffer; } |
61 | 61 |
62 size_t latencyFrames() const; | 62 size_t latencyFrames() const; |
63 private: | 63 private: |
64 void processInBackground(); | 64 void processInBackground(); |
65 | 65 |
66 Vector<OwnPtr<ReverbConvolverStage> > m_stages; | 66 Vector<OwnPtr<ReverbConvolverStage>> m_stages; |
67 Vector<OwnPtr<ReverbConvolverStage> > m_backgroundStages; | 67 Vector<OwnPtr<ReverbConvolverStage>> m_backgroundStages; |
68 size_t m_impulseResponseLength; | 68 size_t m_impulseResponseLength; |
69 | 69 |
70 ReverbAccumulationBuffer m_accumulationBuffer; | 70 ReverbAccumulationBuffer m_accumulationBuffer; |
71 | 71 |
72 // One or more background threads read from this input buffer which is fed f
rom the realtime thread. | 72 // One or more background threads read from this input buffer which is fed f
rom the realtime thread. |
73 ReverbInputBuffer m_inputBuffer; | 73 ReverbInputBuffer m_inputBuffer; |
74 | 74 |
75 // First stage will be of size m_minFFTSize. Each next stage will be twice
as big until we hit m_maxFFTSize. | 75 // First stage will be of size m_minFFTSize. Each next stage will be twice
as big until we hit m_maxFFTSize. |
76 size_t m_minFFTSize; | 76 size_t m_minFFTSize; |
77 size_t m_maxFFTSize; | 77 size_t m_maxFFTSize; |
78 | 78 |
79 // But don't exceed this size in the real-time thread (if we're doing backgr
ound processing). | 79 // But don't exceed this size in the real-time thread (if we're doing backgr
ound processing). |
80 size_t m_maxRealtimeFFTSize; | 80 size_t m_maxRealtimeFFTSize; |
81 | 81 |
82 // Background thread and synchronization | 82 // Background thread and synchronization |
83 OwnPtr<WebThread> m_backgroundThread; | 83 OwnPtr<WebThread> m_backgroundThread; |
84 }; | 84 }; |
85 | 85 |
86 } // namespace blink | 86 } // namespace blink |
87 | 87 |
88 #endif // ReverbConvolver_h | 88 #endif // ReverbConvolver_h |
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