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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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29 #include "modules/webaudio/OfflineAudioContext.h" | 29 #include "modules/webaudio/OfflineAudioContext.h" |
30 | 30 |
31 #include "bindings/v8/ExceptionMessages.h" | 31 #include "bindings/v8/ExceptionMessages.h" |
32 #include "bindings/v8/ExceptionState.h" | 32 #include "bindings/v8/ExceptionState.h" |
33 #include "core/dom/Document.h" | 33 #include "core/dom/Document.h" |
34 #include "core/dom/ExceptionCode.h" | 34 #include "core/dom/ExceptionCode.h" |
35 #include "core/dom/ExecutionContext.h" | 35 #include "core/dom/ExecutionContext.h" |
36 | 36 |
37 namespace WebCore { | 37 namespace WebCore { |
38 | 38 |
39 PassRefPtr<OfflineAudioContext> OfflineAudioContext::create(ExecutionContext* co
ntext, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, Excep
tionState& exceptionState) | 39 PassRefPtrWillBeRawPtr<OfflineAudioContext> OfflineAudioContext::create(Executio
nContext* context, unsigned numberOfChannels, size_t numberOfFrames, float sampl
eRate, ExceptionState& exceptionState) |
40 { | 40 { |
41 // FIXME: add support for workers. | 41 // FIXME: add support for workers. |
42 if (!context || !context->isDocument()) { | 42 if (!context || !context->isDocument()) { |
43 exceptionState.throwDOMException( | 43 exceptionState.throwDOMException( |
44 NotSupportedError, | 44 NotSupportedError, |
45 "Workers are not supported."); | 45 "Workers are not supported."); |
46 return nullptr; | 46 return nullptr; |
47 } | 47 } |
48 | 48 |
49 Document* document = toDocument(context); | 49 Document* document = toDocument(context); |
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64 AudioContext::maxNumberOfChannels(), | 64 AudioContext::maxNumberOfChannels(), |
65 ExceptionMessages::InclusiveBound)); | 65 ExceptionMessages::InclusiveBound)); |
66 return nullptr; | 66 return nullptr; |
67 } | 67 } |
68 | 68 |
69 if (!isSampleRateRangeGood(sampleRate)) { | 69 if (!isSampleRateRangeGood(sampleRate)) { |
70 exceptionState.throwDOMException(SyntaxError, "sample rate (" + String::
number(sampleRate) + ") must be in the range 44100-96000 Hz."); | 70 exceptionState.throwDOMException(SyntaxError, "sample rate (" + String::
number(sampleRate) + ") must be in the range 44100-96000 Hz."); |
71 return nullptr; | 71 return nullptr; |
72 } | 72 } |
73 | 73 |
74 RefPtr<OfflineAudioContext> audioContext(adoptRef(new OfflineAudioContext(do
cument, numberOfChannels, numberOfFrames, sampleRate))); | 74 RefPtrWillBeRawPtr<OfflineAudioContext> audioContext(adoptRefWillBeThreadSaf
eRefCountedGarbageCollected(new OfflineAudioContext(document, numberOfChannels,
numberOfFrames, sampleRate))); |
75 | 75 |
76 if (!audioContext->destination()) { | 76 if (!audioContext->destination()) { |
77 exceptionState.throwDOMException( | 77 exceptionState.throwDOMException( |
78 NotSupportedError, | 78 NotSupportedError, |
79 "OfflineAudioContext(" + String::number(numberOfChannels) | 79 "OfflineAudioContext(" + String::number(numberOfChannels) |
80 + ", " + String::number(numberOfFrames) | 80 + ", " + String::number(numberOfFrames) |
81 + ", " + String::number(sampleRate) | 81 + ", " + String::number(sampleRate) |
82 + ")"); | 82 + ")"); |
83 } | 83 } |
84 | 84 |
85 audioContext->suspendIfNeeded(); | 85 audioContext->suspendIfNeeded(); |
86 return audioContext.release(); | 86 return audioContext.release(); |
87 } | 87 } |
88 | 88 |
89 OfflineAudioContext::OfflineAudioContext(Document* document, unsigned numberOfCh
annels, size_t numberOfFrames, float sampleRate) | 89 OfflineAudioContext::OfflineAudioContext(Document* document, unsigned numberOfCh
annels, size_t numberOfFrames, float sampleRate) |
90 : AudioContext(document, numberOfChannels, numberOfFrames, sampleRate) | 90 : AudioContext(document, numberOfChannels, numberOfFrames, sampleRate) |
91 { | 91 { |
92 ScriptWrappable::init(this); | 92 ScriptWrappable::init(this); |
93 } | 93 } |
94 | 94 |
95 OfflineAudioContext::~OfflineAudioContext() | 95 OfflineAudioContext::~OfflineAudioContext() |
96 { | 96 { |
97 } | 97 } |
98 | 98 |
99 } // namespace WebCore | 99 } // namespace WebCore |
100 | 100 |
101 #endif // ENABLE(WEB_AUDIO) | 101 #endif // ENABLE(WEB_AUDIO) |
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