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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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34 #include "platform/Logging.h" | 34 #include "platform/Logging.h" |
35 #include "platform/graphics/media/MediaPlayer.h" | 35 #include "platform/graphics/media/MediaPlayer.h" |
36 #include "wtf/Locker.h" | 36 #include "wtf/Locker.h" |
37 | 37 |
38 // These are somewhat arbitrary limits, but we need to do some kind of sanity-ch
ecking. | 38 // These are somewhat arbitrary limits, but we need to do some kind of sanity-ch
ecking. |
39 const unsigned minSampleRate = 8000; | 39 const unsigned minSampleRate = 8000; |
40 const unsigned maxSampleRate = 192000; | 40 const unsigned maxSampleRate = 192000; |
41 | 41 |
42 namespace WebCore { | 42 namespace WebCore { |
43 | 43 |
44 PassRefPtr<MediaElementAudioSourceNode> MediaElementAudioSourceNode::create(Audi
oContext* context, HTMLMediaElement* mediaElement) | 44 PassRefPtrWillBeRawPtr<MediaElementAudioSourceNode> MediaElementAudioSourceNode:
:create(AudioContext* context, HTMLMediaElement* mediaElement) |
45 { | 45 { |
46 return adoptRef(new MediaElementAudioSourceNode(context, mediaElement)); | 46 return adoptRefWillBeNoop(new MediaElementAudioSourceNode(context, mediaElem
ent)); |
47 } | 47 } |
48 | 48 |
49 MediaElementAudioSourceNode::MediaElementAudioSourceNode(AudioContext* context,
HTMLMediaElement* mediaElement) | 49 MediaElementAudioSourceNode::MediaElementAudioSourceNode(AudioContext* context,
HTMLMediaElement* mediaElement) |
50 : AudioSourceNode(context, context->sampleRate()) | 50 : AudioSourceNode(context, context->sampleRate()) |
51 , m_mediaElement(mediaElement) | 51 , m_mediaElement(mediaElement) |
52 , m_sourceNumberOfChannels(0) | 52 , m_sourceNumberOfChannels(0) |
53 , m_sourceSampleRate(0) | 53 , m_sourceSampleRate(0) |
54 { | 54 { |
55 ScriptWrappable::init(this); | 55 ScriptWrappable::init(this); |
56 // Default to stereo. This could change depending on what the media element
.src is set to. | 56 // Default to stereo. This could change depending on what the media element
.src is set to. |
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144 | 144 |
145 void MediaElementAudioSourceNode::unlock() | 145 void MediaElementAudioSourceNode::unlock() |
146 { | 146 { |
147 m_processLock.unlock(); | 147 m_processLock.unlock(); |
148 deref(); | 148 deref(); |
149 } | 149 } |
150 | 150 |
151 } // namespace WebCore | 151 } // namespace WebCore |
152 | 152 |
153 #endif // ENABLE(WEB_AUDIO) | 153 #endif // ENABLE(WEB_AUDIO) |
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