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Side by Side Diff: third_party/WebKit/Source/platform/audio/Biquad.h

Issue 2700123003: DO NOT COMMIT: Results of running old (current) clang-format on Blink (Closed)
Patch Set: Created 3 years, 10 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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22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */ 27 */
28 28
29 #ifndef Biquad_h 29 #ifndef Biquad_h
30 #define Biquad_h 30 #define Biquad_h
31 31
32 #include <sys/types.h>
33 #include <complex>
32 #include "platform/PlatformExport.h" 34 #include "platform/PlatformExport.h"
33 #include "platform/audio/AudioArray.h" 35 #include "platform/audio/AudioArray.h"
34 #include "wtf/Allocator.h" 36 #include "wtf/Allocator.h"
35 #include <complex>
36 #include <sys/types.h>
37 37
38 namespace blink { 38 namespace blink {
39 39
40 // A basic biquad (two-zero / two-pole digital filter) 40 // A basic biquad (two-zero / two-pole digital filter)
41 // 41 //
42 // It can be configured to a number of common and very useful filters: 42 // It can be configured to a number of common and very useful filters:
43 // lowpass, highpass, shelving, parameteric, notch, allpass, ... 43 // lowpass, highpass, shelving, parameteric, notch, allpass, ...
44 44
45 class PLATFORM_EXPORT Biquad final { 45 class PLATFORM_EXPORT Biquad final {
46 DISALLOW_NEW(); 46 DISALLOW_NEW();
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114 // Filter memory 114 // Filter memory
115 double m_x1; // input delayed by 1 sample 115 double m_x1; // input delayed by 1 sample
116 double m_x2; // input delayed by 2 samples 116 double m_x2; // input delayed by 2 samples
117 double m_y1; // output delayed by 1 sample 117 double m_y1; // output delayed by 1 sample
118 double m_y2; // output delayed by 2 samples 118 double m_y2; // output delayed by 2 samples
119 }; 119 };
120 120
121 } // namespace blink 121 } // namespace blink
122 122
123 #endif // Biquad_h 123 #endif // Biquad_h
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