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Side by Side Diff: third_party/WebKit/Source/platform/audio/MultiChannelResampler.h

Issue 1557363002: Remove the WEB_AUDIO compile time flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2011 Google Inc. All rights reserved. 2 * Copyright (C) 2011 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
(...skipping 16 matching lines...) Expand all
27 */ 27 */
28 28
29 #ifndef MultiChannelResampler_h 29 #ifndef MultiChannelResampler_h
30 #define MultiChannelResampler_h 30 #define MultiChannelResampler_h
31 31
32 #include "platform/audio/SincResampler.h" 32 #include "platform/audio/SincResampler.h"
33 #include "wtf/Allocator.h" 33 #include "wtf/Allocator.h"
34 #include "wtf/Noncopyable.h" 34 #include "wtf/Noncopyable.h"
35 #include "wtf/OwnPtr.h" 35 #include "wtf/OwnPtr.h"
36 36
37 #if ENABLE(WEB_AUDIO)
38
39 namespace blink { 37 namespace blink {
40 38
41 class AudioBus; 39 class AudioBus;
42 40
43 class PLATFORM_EXPORT MultiChannelResampler { 41 class PLATFORM_EXPORT MultiChannelResampler {
44 USING_FAST_MALLOC(MultiChannelResampler); 42 USING_FAST_MALLOC(MultiChannelResampler);
45 WTF_MAKE_NONCOPYABLE(MultiChannelResampler); 43 WTF_MAKE_NONCOPYABLE(MultiChannelResampler);
46 public: 44 public:
47 MultiChannelResampler(double scaleFactor, unsigned numberOfChannels); 45 MultiChannelResampler(double scaleFactor, unsigned numberOfChannels);
48 46
49 // Process given AudioSourceProvider for streaming applications. 47 // Process given AudioSourceProvider for streaming applications.
50 void process(AudioSourceProvider*, AudioBus* destination, size_t framesToPro cess); 48 void process(AudioSourceProvider*, AudioBus* destination, size_t framesToPro cess);
51 49
52 private: 50 private:
53 // FIXME: the mac port can have a more highly optimized implementation based on CoreAudio 51 // FIXME: the mac port can have a more highly optimized implementation based on CoreAudio
54 // instead of SincResampler. For now the default implementation will be used on all ports. 52 // instead of SincResampler. For now the default implementation will be used on all ports.
55 // https://bugs.webkit.org/show_bug.cgi?id=75118 53 // https://bugs.webkit.org/show_bug.cgi?id=75118
56 54
57 // Each channel will be resampled using a high-quality SincResampler. 55 // Each channel will be resampled using a high-quality SincResampler.
58 Vector<OwnPtr<SincResampler>> m_kernels; 56 Vector<OwnPtr<SincResampler>> m_kernels;
59 57
60 unsigned m_numberOfChannels; 58 unsigned m_numberOfChannels;
61 }; 59 };
62 60
63 } // namespace blink 61 } // namespace blink
64 62
65 #endif // ENABLE(WEB_AUDIO)
66
67 #endif // MultiChannelResampler_h 63 #endif // MultiChannelResampler_h
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