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1 /* | 1 /* |
2 * Copyright (C) 2010, Google Inc. All rights reserved. | 2 * Copyright (C) 2010, 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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31 #include "bindings/core/v8/ExceptionState.h" | 31 #include "bindings/core/v8/ExceptionState.h" |
32 #include "core/dom/ExceptionCode.h" | 32 #include "core/dom/ExceptionCode.h" |
33 #include "platform/audio/AudioUtilities.h" | 33 #include "platform/audio/AudioUtilities.h" |
34 #include "modules/webaudio/AudioContext.h" | 34 #include "modules/webaudio/AudioContext.h" |
35 #include "modules/webaudio/AudioNodeOutput.h" | 35 #include "modules/webaudio/AudioNodeOutput.h" |
36 #include "platform/FloatConversion.h" | 36 #include "platform/FloatConversion.h" |
37 #include "wtf/MainThread.h" | 37 #include "wtf/MainThread.h" |
38 #include "wtf/MathExtras.h" | 38 #include "wtf/MathExtras.h" |
39 #include <algorithm> | 39 #include <algorithm> |
40 | 40 |
41 namespace WebCore { | 41 namespace blink { |
42 | 42 |
43 const double DefaultGrainDuration = 0.020; // 20ms | 43 const double DefaultGrainDuration = 0.020; // 20ms |
44 | 44 |
45 // Arbitrary upper limit on playback rate. | 45 // Arbitrary upper limit on playback rate. |
46 // Higher than expected rates can be useful when playing back oversampled buffer
s | 46 // Higher than expected rates can be useful when playing back oversampled buffer
s |
47 // to minimize linear interpolation aliasing. | 47 // to minimize linear interpolation aliasing. |
48 const double MaxRate = 1024; | 48 const double MaxRate = 1024; |
49 | 49 |
50 PassRefPtrWillBeRawPtr<AudioBufferSourceNode> AudioBufferSourceNode::create(Audi
oContext* context, float sampleRate) | 50 PassRefPtrWillBeRawPtr<AudioBufferSourceNode> AudioBufferSourceNode::create(Audi
oContext* context, float sampleRate) |
51 { | 51 { |
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473 AudioScheduledSourceNode::finish(); | 473 AudioScheduledSourceNode::finish(); |
474 } | 474 } |
475 | 475 |
476 void AudioBufferSourceNode::trace(Visitor* visitor) | 476 void AudioBufferSourceNode::trace(Visitor* visitor) |
477 { | 477 { |
478 visitor->trace(m_buffer); | 478 visitor->trace(m_buffer); |
479 visitor->trace(m_playbackRate); | 479 visitor->trace(m_playbackRate); |
480 AudioScheduledSourceNode::trace(visitor); | 480 AudioScheduledSourceNode::trace(visitor); |
481 } | 481 } |
482 | 482 |
483 } // namespace WebCore | 483 } // namespace blink |
484 | 484 |
485 #endif // ENABLE(WEB_AUDIO) | 485 #endif // ENABLE(WEB_AUDIO) |
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