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1 /* | 1 /* |
2 * Copyright (C) 2012, Google Inc. All rights reserved. | 2 * Copyright (C) 2012, 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/mediastream/MediaStream.h" | 32 #include "modules/mediastream/MediaStream.h" |
33 #include "modules/webaudio/AudioSourceNode.h" | 33 #include "modules/webaudio/AudioSourceNode.h" |
34 #include "wtf/OwnPtr.h" | 34 #include "wtf/OwnPtr.h" |
35 #include "wtf/PassRefPtr.h" | 35 #include "wtf/PassRefPtr.h" |
36 #include "wtf/Threading.h" | 36 #include "wtf/Threading.h" |
37 | 37 |
38 namespace blink { | 38 namespace blink { |
39 | 39 |
40 class AudioContext; | 40 class AudioContext; |
41 | 41 |
42 class MediaStreamAudioSourceNode FINAL : public AudioSourceNode, public AudioSou
rceProviderClient { | 42 class MediaStreamAudioSourceNode final : public AudioSourceNode, public AudioSou
rceProviderClient { |
43 DEFINE_WRAPPERTYPEINFO(); | 43 DEFINE_WRAPPERTYPEINFO(); |
44 USING_GARBAGE_COLLECTED_MIXIN(MediaStreamAudioSourceNode); | 44 USING_GARBAGE_COLLECTED_MIXIN(MediaStreamAudioSourceNode); |
45 public: | 45 public: |
46 static MediaStreamAudioSourceNode* create(AudioContext*, MediaStream*, Media
StreamTrack*, PassOwnPtr<AudioSourceProvider>); | 46 static MediaStreamAudioSourceNode* create(AudioContext*, MediaStream*, Media
StreamTrack*, PassOwnPtr<AudioSourceProvider>); |
47 | 47 |
48 virtual ~MediaStreamAudioSourceNode(); | 48 virtual ~MediaStreamAudioSourceNode(); |
49 | 49 |
50 MediaStream* mediaStream() { return m_mediaStream.get(); } | 50 MediaStream* mediaStream() { return m_mediaStream.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 AudioSourceProvider* audioSourceProvider() const { return m_audioSourceProvi
der.get(); } | 59 AudioSourceProvider* audioSourceProvider() const { return m_audioSourceProvi
der.get(); } |
60 | 60 |
61 virtual void trace(Visitor*) OVERRIDE; | 61 virtual void trace(Visitor*) override; |
62 | 62 |
63 private: | 63 private: |
64 MediaStreamAudioSourceNode(AudioContext*, MediaStream*, MediaStreamTrack*, P
assOwnPtr<AudioSourceProvider>); | 64 MediaStreamAudioSourceNode(AudioContext*, MediaStream*, MediaStreamTrack*, P
assOwnPtr<AudioSourceProvider>); |
65 | 65 |
66 // As an audio source, we will never propagate silence. | 66 // As an audio source, we will never propagate silence. |
67 virtual bool propagatesSilence() const OVERRIDE { return false; } | 67 virtual bool propagatesSilence() const override { return false; } |
68 | 68 |
69 Member<MediaStream> m_mediaStream; | 69 Member<MediaStream> m_mediaStream; |
70 Member<MediaStreamTrack> m_audioTrack; | 70 Member<MediaStreamTrack> m_audioTrack; |
71 OwnPtr<AudioSourceProvider> m_audioSourceProvider; | 71 OwnPtr<AudioSourceProvider> m_audioSourceProvider; |
72 | 72 |
73 Mutex m_processLock; | 73 Mutex m_processLock; |
74 | 74 |
75 unsigned m_sourceNumberOfChannels; | 75 unsigned m_sourceNumberOfChannels; |
76 }; | 76 }; |
77 | 77 |
78 } // namespace blink | 78 } // namespace blink |
79 | 79 |
80 #endif // ENABLE(WEB_AUDIO) | 80 #endif // ENABLE(WEB_AUDIO) |
81 | 81 |
82 #endif // MediaStreamAudioSourceNode_h | 82 #endif // MediaStreamAudioSourceNode_h |
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