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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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| 28 | 28 |
| 29 #ifndef AudioParamTimeline_h | 29 #ifndef AudioParamTimeline_h |
| 30 #define AudioParamTimeline_h | 30 #define AudioParamTimeline_h |
| 31 | 31 |
| 32 #include "modules/webaudio/AudioContext.h" | 32 #include "modules/webaudio/AudioContext.h" |
| 33 #include "wtf/Float32Array.h" | 33 #include "wtf/Float32Array.h" |
| 34 #include "wtf/Forward.h" | 34 #include "wtf/Forward.h" |
| 35 #include "wtf/Threading.h" | 35 #include "wtf/Threading.h" |
| 36 #include "wtf/Vector.h" | 36 #include "wtf/Vector.h" |
| 37 | 37 |
| 38 namespace WebCore { | 38 namespace blink { |
| 39 | 39 |
| 40 class AudioParamTimeline { | 40 class AudioParamTimeline { |
| 41 public: | 41 public: |
| 42 AudioParamTimeline() | 42 AudioParamTimeline() |
| 43 { | 43 { |
| 44 } | 44 } |
| 45 | 45 |
| 46 void setValueAtTime(float value, double time); | 46 void setValueAtTime(float value, double time); |
| 47 void linearRampToValueAtTime(float value, double time); | 47 void linearRampToValueAtTime(float value, double time); |
| 48 void exponentialRampToValueAtTime(float value, double time, ExceptionState&)
; | 48 void exponentialRampToValueAtTime(float value, double time, ExceptionState&)
; |
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| 102 }; | 102 }; |
| 103 | 103 |
| 104 void insertEvent(const ParamEvent&); | 104 void insertEvent(const ParamEvent&); |
| 105 float valuesForTimeRangeImpl(double startTime, double endTime, float default
Value, float* values, unsigned numberOfValues, double sampleRate, double control
Rate); | 105 float valuesForTimeRangeImpl(double startTime, double endTime, float default
Value, float* values, unsigned numberOfValues, double sampleRate, double control
Rate); |
| 106 | 106 |
| 107 Vector<ParamEvent> m_events; | 107 Vector<ParamEvent> m_events; |
| 108 | 108 |
| 109 Mutex m_eventsLock; | 109 Mutex m_eventsLock; |
| 110 }; | 110 }; |
| 111 | 111 |
| 112 } // namespace WebCore | 112 } // namespace blink |
| 113 | 113 |
| 114 #endif // AudioParamTimeline_h | 114 #endif // AudioParamTimeline_h |
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