Source/core/platform/audio/Biquad.h - Issue 14107015: Rename OS(DARWIN) to OS(MACOSX).

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Side by Side Diff: Source/core/platform/audio/Biquad.h

Issue 14107015: Rename OS(DARWIN) to OS(MACOSX). (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Rebase Created 7 years, 3 months ago

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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 *	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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85	85

86 // Filter coefficients. The filter is defined as	86 // Filter coefficients. The filter is defined as

87 //	87 //

88 // y[n] + m_a1y[n-1] + m_a2y[n-2] = m_b0x[n] + m_b1x[n-1] + m_b2*x[n-2].	88 // y[n] + m_a1y[n-1] + m_a2y[n-2] = m_b0x[n] + m_b1x[n-1] + m_b2*x[n-2].

89 double m_b0;	89 double m_b0;

90 double m_b1;	90 double m_b1;

91 double m_b2;	91 double m_b2;

92 double m_a1;	92 double m_a1;

93 double m_a2;	93 double m_a2;

94	94

95 #if OS(DARWIN)	95 #if OS(MACOSX)

96 void processFast(const float* sourceP, float* destP, size_t framesToProcess) ;	96 void processFast(const float* sourceP, float* destP, size_t framesToProcess) ;

97 void processSliceFast(double* sourceP, double* destP, double* coefficientsP, size_t framesToProcess);	97 void processSliceFast(double* sourceP, double* destP, double* coefficientsP, size_t framesToProcess);

98	98

99 AudioDoubleArray m_inputBuffer;	99 AudioDoubleArray m_inputBuffer;

100 AudioDoubleArray m_outputBuffer;	100 AudioDoubleArray m_outputBuffer;

101	101

102 #elif USE(WEBAUDIO_IPP)	102 #elif USE(WEBAUDIO_IPP)

103 IppsIIRState64f_32f* m_biquadState;	103 IppsIIRState64f_32f* m_biquadState;

104 Ipp8u* m_ippInternalBuffer;	104 Ipp8u* m_ippInternalBuffer;

105	105

106 #else	106 #else

107 // Filter memory	107 // Filter memory

108 double m_x1; // input delayed by 1 sample	108 double m_x1; // input delayed by 1 sample

109 double m_x2; // input delayed by 2 samples	109 double m_x2; // input delayed by 2 samples

110 double m_y1; // output delayed by 1 sample	110 double m_y1; // output delayed by 1 sample

111 double m_y2; // output delayed by 2 samples	111 double m_y2; // output delayed by 2 samples

112 #endif	112 #endif

113 };	113 };

114	114

115 } // namespace WebCore	115 } // namespace WebCore

116	116

117 #endif // Biquad_h	117 #endif // Biquad_h

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