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

Issue 400543004: Rename WebCore namespace to blink in Platform (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 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
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/Noncopyable.h" 33 #include "wtf/Noncopyable.h"
34 #include "wtf/OwnPtr.h" 34 #include "wtf/OwnPtr.h"
35 35
36 namespace WebCore { 36 namespace blink {
37 37
38 class AudioBus; 38 class AudioBus;
39 39
40 class PLATFORM_EXPORT MultiChannelResampler { 40 class PLATFORM_EXPORT MultiChannelResampler {
41 WTF_MAKE_NONCOPYABLE(MultiChannelResampler); 41 WTF_MAKE_NONCOPYABLE(MultiChannelResampler);
42 public: 42 public:
43 MultiChannelResampler(double scaleFactor, unsigned numberOfChannels); 43 MultiChannelResampler(double scaleFactor, unsigned numberOfChannels);
44 44
45 // Process given AudioSourceProvider for streaming applications. 45 // Process given AudioSourceProvider for streaming applications.
46 void process(AudioSourceProvider*, AudioBus* destination, size_t framesToPro cess); 46 void process(AudioSourceProvider*, AudioBus* destination, size_t framesToPro cess);
47 47
48 private: 48 private:
49 // FIXME: the mac port can have a more highly optimized implementation based on CoreAudio 49 // FIXME: the mac port can have a more highly optimized implementation based on CoreAudio
50 // instead of SincResampler. For now the default implementation will be used on all ports. 50 // instead of SincResampler. For now the default implementation will be used on all ports.
51 // https://bugs.webkit.org/show_bug.cgi?id=75118 51 // https://bugs.webkit.org/show_bug.cgi?id=75118
52 52
53 // Each channel will be resampled using a high-quality SincResampler. 53 // Each channel will be resampled using a high-quality SincResampler.
54 Vector<OwnPtr<SincResampler> > m_kernels; 54 Vector<OwnPtr<SincResampler> > m_kernels;
55 55
56 unsigned m_numberOfChannels; 56 unsigned m_numberOfChannels;
57 }; 57 };
58 58
59 } // namespace WebCore 59 } // namespace blink
60 60
61 #endif // MultiChannelResampler_h 61 #endif // MultiChannelResampler_h
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