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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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| 27 | 27 |
| 28 #include "modules/webaudio/AudioParam.h" | 28 #include "modules/webaudio/AudioParam.h" |
| 29 #include "modules/webaudio/AudioScheduledSourceNode.h" | 29 #include "modules/webaudio/AudioScheduledSourceNode.h" |
| 30 #include "platform/audio/AudioBus.h" | 30 #include "platform/audio/AudioBus.h" |
| 31 #include "wtf/PassRefPtr.h" | 31 #include "wtf/PassRefPtr.h" |
| 32 #include "wtf/RefPtr.h" | 32 #include "wtf/RefPtr.h" |
| 33 #include "wtf/Threading.h" | 33 #include "wtf/Threading.h" |
| 34 | 34 |
| 35 namespace blink { | 35 namespace blink { |
| 36 | 36 |
| 37 class AbstractAudioContext; | 37 class BaseAudioContext; |
| 38 class ExceptionState; | 38 class ExceptionState; |
| 39 class PeriodicWave; | 39 class PeriodicWave; |
| 40 | 40 |
| 41 // OscillatorNode is an audio generator of periodic waveforms. | 41 // OscillatorNode is an audio generator of periodic waveforms. |
| 42 | 42 |
| 43 class OscillatorHandler final : public AudioScheduledSourceHandler { | 43 class OscillatorHandler final : public AudioScheduledSourceHandler { |
| 44 public: | 44 public: |
| 45 // The waveform type. | 45 // The waveform type. |
| 46 // These must be defined as in the .idl file. | 46 // These must be defined as in the .idl file. |
| 47 enum { | 47 enum { |
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| 92 AudioFloatArray m_detuneValues; | 92 AudioFloatArray m_detuneValues; |
| 93 | 93 |
| 94 // This Persistent doesn't make a reference cycle including the owner | 94 // This Persistent doesn't make a reference cycle including the owner |
| 95 // OscillatorNode. | 95 // OscillatorNode. |
| 96 Persistent<PeriodicWave> m_periodicWave; | 96 Persistent<PeriodicWave> m_periodicWave; |
| 97 }; | 97 }; |
| 98 | 98 |
| 99 class OscillatorNode final : public AudioScheduledSourceNode { | 99 class OscillatorNode final : public AudioScheduledSourceNode { |
| 100 DEFINE_WRAPPERTYPEINFO(); | 100 DEFINE_WRAPPERTYPEINFO(); |
| 101 public: | 101 public: |
| 102 static OscillatorNode* create(AbstractAudioContext&, ExceptionState&); | 102 static OscillatorNode* create(BaseAudioContext&, ExceptionState&); |
| 103 DECLARE_VIRTUAL_TRACE(); | 103 DECLARE_VIRTUAL_TRACE(); |
| 104 | 104 |
| 105 String type() const; | 105 String type() const; |
| 106 void setType(const String&, ExceptionState&); | 106 void setType(const String&, ExceptionState&); |
| 107 AudioParam* frequency(); | 107 AudioParam* frequency(); |
| 108 AudioParam* detune(); | 108 AudioParam* detune(); |
| 109 void setPeriodicWave(PeriodicWave*); | 109 void setPeriodicWave(PeriodicWave*); |
| 110 | 110 |
| 111 private: | 111 private: |
| 112 OscillatorNode(AbstractAudioContext&); | 112 OscillatorNode(BaseAudioContext&); |
| 113 OscillatorHandler& oscillatorHandler() const; | 113 OscillatorHandler& oscillatorHandler() const; |
| 114 | 114 |
| 115 Member<AudioParam> m_frequency; | 115 Member<AudioParam> m_frequency; |
| 116 Member<AudioParam> m_detune; | 116 Member<AudioParam> m_detune; |
| 117 }; | 117 }; |
| 118 | 118 |
| 119 } // namespace blink | 119 } // namespace blink |
| 120 | 120 |
| 121 #endif // OscillatorNode_h | 121 #endif // OscillatorNode_h |
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