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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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33 #include "platform/Logging.h" | 33 #include "platform/Logging.h" |
34 #include "platform/graphics/media/MediaPlayer.h" | 34 #include "platform/graphics/media/MediaPlayer.h" |
35 #include "wtf/Locker.h" | 35 #include "wtf/Locker.h" |
36 | 36 |
37 // These are somewhat arbitrary limits, but we need to do some kind of sanity-ch
ecking. | 37 // These are somewhat arbitrary limits, but we need to do some kind of sanity-ch
ecking. |
38 const unsigned minSampleRate = 8000; | 38 const unsigned minSampleRate = 8000; |
39 const unsigned maxSampleRate = 192000; | 39 const unsigned maxSampleRate = 192000; |
40 | 40 |
41 namespace WebCore { | 41 namespace WebCore { |
42 | 42 |
43 PassRefPtr<MediaElementAudioSourceNode> MediaElementAudioSourceNode::create(Audi
oContext* context, HTMLMediaElement* mediaElement) | 43 PassRefPtrWillBeRawPtr<MediaElementAudioSourceNode> MediaElementAudioSourceNode:
:create(AudioContext* context, HTMLMediaElement* mediaElement) |
44 { | 44 { |
45 return adoptRef(new MediaElementAudioSourceNode(context, mediaElement)); | 45 return adoptRefWillBeNoop(new MediaElementAudioSourceNode(context, mediaElem
ent)); |
46 } | 46 } |
47 | 47 |
48 MediaElementAudioSourceNode::MediaElementAudioSourceNode(AudioContext* context,
HTMLMediaElement* mediaElement) | 48 MediaElementAudioSourceNode::MediaElementAudioSourceNode(AudioContext* context,
HTMLMediaElement* mediaElement) |
49 : AudioSourceNode(context, context->sampleRate()) | 49 : AudioSourceNode(context, context->sampleRate()) |
50 , m_mediaElement(mediaElement) | 50 , m_mediaElement(mediaElement) |
51 , m_sourceNumberOfChannels(0) | 51 , m_sourceNumberOfChannels(0) |
52 , m_sourceSampleRate(0) | 52 , m_sourceSampleRate(0) |
53 { | 53 { |
54 ScriptWrappable::init(this); | 54 ScriptWrappable::init(this); |
55 // Default to stereo. This could change depending on what the media element
.src is set to. | 55 // Default to stereo. This could change depending on what the media element
.src is set to. |
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143 | 143 |
144 void MediaElementAudioSourceNode::unlock() | 144 void MediaElementAudioSourceNode::unlock() |
145 { | 145 { |
146 m_processLock.unlock(); | 146 m_processLock.unlock(); |
147 deref(); | 147 deref(); |
148 } | 148 } |
149 | 149 |
150 } // namespace WebCore | 150 } // namespace WebCore |
151 | 151 |
152 #endif // ENABLE(WEB_AUDIO) | 152 #endif // ENABLE(WEB_AUDIO) |
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