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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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79 unsigned short m_type; | 79 unsigned short m_type; |
80 | 80 |
81 // Frequency value in Hertz. | 81 // Frequency value in Hertz. |
82 RefPtr<AudioParamHandler> m_frequency; | 82 RefPtr<AudioParamHandler> m_frequency; |
83 | 83 |
84 // Detune value (deviating from the frequency) in Cents. | 84 // Detune value (deviating from the frequency) in Cents. |
85 RefPtr<AudioParamHandler> m_detune; | 85 RefPtr<AudioParamHandler> m_detune; |
86 | 86 |
87 bool m_firstRender; | 87 bool m_firstRender; |
88 | 88 |
89 // m_virtualReadIndex is a sample-frame index into our buffer representing the
current playback position. | 89 // m_virtualReadIndex is a sample-frame index into our buffer representing the |
90 // Since it's floating-point, it has sub-sample accuracy. | 90 // current playback position. Since it's floating-point, it has sub-sample |
| 91 // accuracy. |
91 double m_virtualReadIndex; | 92 double m_virtualReadIndex; |
92 | 93 |
93 // Stores sample-accurate values calculated according to frequency and detune. | 94 // Stores sample-accurate values calculated according to frequency and detune. |
94 AudioFloatArray m_phaseIncrements; | 95 AudioFloatArray m_phaseIncrements; |
95 AudioFloatArray m_detuneValues; | 96 AudioFloatArray m_detuneValues; |
96 | 97 |
97 // This Persistent doesn't make a reference cycle including the owner | 98 // This Persistent doesn't make a reference cycle including the owner |
98 // OscillatorNode. | 99 // OscillatorNode. |
99 Persistent<PeriodicWave> m_periodicWave; | 100 Persistent<PeriodicWave> m_periodicWave; |
100 }; | 101 }; |
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119 OscillatorNode(BaseAudioContext&); | 120 OscillatorNode(BaseAudioContext&); |
120 OscillatorHandler& oscillatorHandler() const; | 121 OscillatorHandler& oscillatorHandler() const; |
121 | 122 |
122 Member<AudioParam> m_frequency; | 123 Member<AudioParam> m_frequency; |
123 Member<AudioParam> m_detune; | 124 Member<AudioParam> m_detune; |
124 }; | 125 }; |
125 | 126 |
126 } // namespace blink | 127 } // namespace blink |
127 | 128 |
128 #endif // OscillatorNode_h | 129 #endif // OscillatorNode_h |
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