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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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29 #include "modules/webaudio/AudioBasicProcessorHandler.h" | 29 #include "modules/webaudio/AudioBasicProcessorHandler.h" |
30 #include "modules/webaudio/DelayProcessor.h" | 30 #include "modules/webaudio/DelayProcessor.h" |
31 #include "wtf/MathExtras.h" | 31 #include "wtf/MathExtras.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 const double maximumAllowedDelayTime = 180; | 35 const double maximumAllowedDelayTime = 180; |
36 | 36 |
37 DelayNode::DelayNode(AbstractAudioContext& context, float sampleRate, double max
DelayTime) | 37 DelayNode::DelayNode(AbstractAudioContext& context, float sampleRate, double max
DelayTime) |
38 : AudioNode(context) | 38 : AudioNode(context) |
39 , m_delayTime(AudioParam::create(context, ParamTypeDelayDelayTime, 0.0)) | 39 , m_delayTime(AudioParam::create(context, ParamTypeDelayDelayTime, 0.0, 0.0,
maxDelayTime)) |
40 { | 40 { |
41 setHandler(AudioBasicProcessorHandler::create(AudioHandler::NodeTypeDelay, *
this, sampleRate, adoptPtr(new DelayProcessor(sampleRate, 1, m_delayTime->handle
r(), maxDelayTime)))); | 41 setHandler(AudioBasicProcessorHandler::create(AudioHandler::NodeTypeDelay, *
this, sampleRate, adoptPtr(new DelayProcessor(sampleRate, 1, m_delayTime->handle
r(), maxDelayTime)))); |
42 } | 42 } |
43 | 43 |
44 DelayNode* DelayNode::create(AbstractAudioContext& context, float sampleRate, do
uble maxDelayTime, ExceptionState& exceptionState) | 44 DelayNode* DelayNode::create(AbstractAudioContext& context, float sampleRate, do
uble maxDelayTime, ExceptionState& exceptionState) |
45 { | 45 { |
46 if (maxDelayTime <= 0 || maxDelayTime >= maximumAllowedDelayTime) { | 46 if (maxDelayTime <= 0 || maxDelayTime >= maximumAllowedDelayTime) { |
47 exceptionState.throwDOMException( | 47 exceptionState.throwDOMException( |
48 NotSupportedError, | 48 NotSupportedError, |
49 ExceptionMessages::indexOutsideRange( | 49 ExceptionMessages::indexOutsideRange( |
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64 } | 64 } |
65 | 65 |
66 DEFINE_TRACE(DelayNode) | 66 DEFINE_TRACE(DelayNode) |
67 { | 67 { |
68 visitor->trace(m_delayTime); | 68 visitor->trace(m_delayTime); |
69 AudioNode::trace(visitor); | 69 AudioNode::trace(visitor); |
70 } | 70 } |
71 | 71 |
72 } // namespace blink | 72 } // namespace blink |
73 | 73 |
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