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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 * 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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32 #include "modules/webaudio/AudioSourceNode.h" | 32 #include "modules/webaudio/AudioSourceNode.h" |
33 #include "wtf/OwnPtr.h" | 33 #include "wtf/OwnPtr.h" |
34 #include "wtf/PassRefPtr.h" | 34 #include "wtf/PassRefPtr.h" |
35 #include "wtf/ThreadingPrimitives.h" | 35 #include "wtf/ThreadingPrimitives.h" |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 class AudioContext; | 39 class AudioContext; |
40 class HTMLMediaElement; | 40 class HTMLMediaElement; |
41 | 41 |
42 class MediaElementAudioSourceNode FINAL : public AudioSourceNode, public AudioSo
urceProviderClient { | 42 class MediaElementAudioSourceNode final : public AudioSourceNode, public AudioSo
urceProviderClient { |
43 DEFINE_WRAPPERTYPEINFO(); | 43 DEFINE_WRAPPERTYPEINFO(); |
44 USING_GARBAGE_COLLECTED_MIXIN(MediaElementAudioSourceNode); | 44 USING_GARBAGE_COLLECTED_MIXIN(MediaElementAudioSourceNode); |
45 public: | 45 public: |
46 static MediaElementAudioSourceNode* create(AudioContext*, HTMLMediaElement*)
; | 46 static MediaElementAudioSourceNode* create(AudioContext*, HTMLMediaElement*)
; |
47 | 47 |
48 virtual ~MediaElementAudioSourceNode(); | 48 virtual ~MediaElementAudioSourceNode(); |
49 | 49 |
50 HTMLMediaElement* mediaElement() { return m_mediaElement.get(); } | 50 HTMLMediaElement* mediaElement() { return m_mediaElement.get(); } |
51 | 51 |
52 // AudioNode | 52 // AudioNode |
53 virtual void dispose() OVERRIDE; | 53 virtual void dispose() override; |
54 virtual void process(size_t framesToProcess) OVERRIDE; | 54 virtual void process(size_t framesToProcess) override; |
55 | 55 |
56 // AudioSourceProviderClient | 56 // AudioSourceProviderClient |
57 virtual void setFormat(size_t numberOfChannels, float sampleRate) OVERRIDE; | 57 virtual void setFormat(size_t numberOfChannels, float sampleRate) override; |
58 | 58 |
59 virtual void lock() OVERRIDE; | 59 virtual void lock() override; |
60 virtual void unlock() OVERRIDE; | 60 virtual void unlock() override; |
61 | 61 |
62 virtual void trace(Visitor*) OVERRIDE; | 62 virtual void trace(Visitor*) override; |
63 | 63 |
64 private: | 64 private: |
65 MediaElementAudioSourceNode(AudioContext*, HTMLMediaElement*); | 65 MediaElementAudioSourceNode(AudioContext*, HTMLMediaElement*); |
66 | 66 |
67 // As an audio source, we will never propagate silence. | 67 // As an audio source, we will never propagate silence. |
68 virtual bool propagatesSilence() const OVERRIDE { return false; } | 68 virtual bool propagatesSilence() const override { return false; } |
69 | 69 |
70 RefPtrWillBeMember<HTMLMediaElement> m_mediaElement; | 70 RefPtrWillBeMember<HTMLMediaElement> m_mediaElement; |
71 Mutex m_processLock; | 71 Mutex m_processLock; |
72 | 72 |
73 unsigned m_sourceNumberOfChannels; | 73 unsigned m_sourceNumberOfChannels; |
74 double m_sourceSampleRate; | 74 double m_sourceSampleRate; |
75 | 75 |
76 OwnPtr<MultiChannelResampler> m_multiChannelResampler; | 76 OwnPtr<MultiChannelResampler> m_multiChannelResampler; |
77 }; | 77 }; |
78 | 78 |
79 } // namespace blink | 79 } // namespace blink |
80 | 80 |
81 #endif // ENABLE(WEB_AUDIO) | 81 #endif // ENABLE(WEB_AUDIO) |
82 | 82 |
83 #endif // MediaElementAudioSourceNode_h | 83 #endif // MediaElementAudioSourceNode_h |
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