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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 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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35 #include "platform/FloatConversion.h" | 35 #include "platform/FloatConversion.h" |
36 #include "wtf/MathExtras.h" | 36 #include "wtf/MathExtras.h" |
37 #include <algorithm> | 37 #include <algorithm> |
38 | 38 |
39 using namespace std; | 39 using namespace std; |
40 | 40 |
41 namespace WebCore { | 41 namespace WebCore { |
42 | 42 |
43 void AudioParamTimeline::setValueAtTime(float value, double time) | 43 void AudioParamTimeline::setValueAtTime(float value, double time) |
44 { | 44 { |
45 insertEvent(ParamEvent(ParamEvent::SetValue, value, time, 0, 0, 0)); | 45 insertEvent(ParamEvent(ParamEvent::SetValue, value, time, 0, 0, nullptr)); |
46 } | 46 } |
47 | 47 |
48 void AudioParamTimeline::linearRampToValueAtTime(float value, double time) | 48 void AudioParamTimeline::linearRampToValueAtTime(float value, double time) |
49 { | 49 { |
50 insertEvent(ParamEvent(ParamEvent::LinearRampToValue, value, time, 0, 0, 0))
; | 50 insertEvent(ParamEvent(ParamEvent::LinearRampToValue, value, time, 0, 0, nul
lptr)); |
51 } | 51 } |
52 | 52 |
53 void AudioParamTimeline::exponentialRampToValueAtTime(float value, double time,
ExceptionState& exceptionState) | 53 void AudioParamTimeline::exponentialRampToValueAtTime(float value, double time,
ExceptionState& exceptionState) |
54 { | 54 { |
55 ASSERT(isMainThread()); | 55 ASSERT(isMainThread()); |
56 if (value <= 0) { | 56 if (value <= 0) { |
57 exceptionState.throwDOMException( | 57 exceptionState.throwDOMException( |
58 InvalidStateError, | 58 InvalidStateError, |
59 "Target value for exponential ramp must be positive: " + String::num
ber(value)); | 59 "Target value for exponential ramp must be positive: " + String::num
ber(value)); |
60 return; | 60 return; |
61 } | 61 } |
62 | 62 |
63 insertEvent(ParamEvent(ParamEvent::ExponentialRampToValue, value, time, 0, 0
, 0)); | 63 insertEvent(ParamEvent(ParamEvent::ExponentialRampToValue, value, time, 0, 0
, nullptr)); |
64 } | 64 } |
65 | 65 |
66 void AudioParamTimeline::setTargetAtTime(float target, double time, double timeC
onstant) | 66 void AudioParamTimeline::setTargetAtTime(float target, double time, double timeC
onstant) |
67 { | 67 { |
68 insertEvent(ParamEvent(ParamEvent::SetTarget, target, time, timeConstant, 0,
0)); | 68 insertEvent(ParamEvent(ParamEvent::SetTarget, target, time, timeConstant, 0,
nullptr)); |
69 } | 69 } |
70 | 70 |
71 void AudioParamTimeline::setValueCurveAtTime(Float32Array* curve, double time, d
ouble duration) | 71 void AudioParamTimeline::setValueCurveAtTime(Float32Array* curve, double time, d
ouble duration) |
72 { | 72 { |
73 insertEvent(ParamEvent(ParamEvent::SetValueCurve, 0, time, 0, duration, curv
e)); | 73 insertEvent(ParamEvent(ParamEvent::SetValueCurve, 0, time, 0, duration, curv
e)); |
74 } | 74 } |
75 | 75 |
76 static bool isValidNumber(float x) | 76 static bool isValidNumber(float x) |
77 { | 77 { |
78 return !std::isnan(x) && !std::isinf(x); | 78 return !std::isnan(x) && !std::isinf(x); |
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374 // to the end of the values buffer. | 374 // to the end of the values buffer. |
375 for (; writeIndex < numberOfValues; ++writeIndex) | 375 for (; writeIndex < numberOfValues; ++writeIndex) |
376 values[writeIndex] = value; | 376 values[writeIndex] = value; |
377 | 377 |
378 return value; | 378 return value; |
379 } | 379 } |
380 | 380 |
381 } // namespace WebCore | 381 } // namespace WebCore |
382 | 382 |
383 #endif // ENABLE(WEB_AUDIO) | 383 #endif // ENABLE(WEB_AUDIO) |
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