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Side by Side Diff: Source/platform/audio/VectorMath.h

Issue 400543004: Rename WebCore namespace to blink in Platform (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 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 * 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
(...skipping 11 matching lines...) Expand all
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */ 23 */
24 24
25 #ifndef VectorMath_h 25 #ifndef VectorMath_h
26 #define VectorMath_h 26 #define VectorMath_h
27 27
28 #include "platform/PlatformExport.h" 28 #include "platform/PlatformExport.h"
29 29
30 // Defines the interface for several vector math functions whose implementation will ideally be optimized. 30 // Defines the interface for several vector math functions whose implementation will ideally be optimized.
31 31
32 namespace WebCore { 32 namespace blink {
33 namespace VectorMath { 33 namespace VectorMath {
34 34
35 // Vector scalar multiply and then add. 35 // Vector scalar multiply and then add.
36 PLATFORM_EXPORT void vsma(const float* sourceP, int sourceStride, const float* s cale, float* destP, int destStride, size_t framesToProcess); 36 PLATFORM_EXPORT void vsma(const float* sourceP, int sourceStride, const float* s cale, float* destP, int destStride, size_t framesToProcess);
37 37
38 PLATFORM_EXPORT void vsmul(const float* sourceP, int sourceStride, const float* scale, float* destP, int destStride, size_t framesToProcess); 38 PLATFORM_EXPORT void vsmul(const float* sourceP, int sourceStride, const float* scale, float* destP, int destStride, size_t framesToProcess);
39 PLATFORM_EXPORT void vadd(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProce ss); 39 PLATFORM_EXPORT void vadd(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProce ss);
40 40
41 // Finds the maximum magnitude of a float vector. 41 // Finds the maximum magnitude of a float vector.
42 PLATFORM_EXPORT void vmaxmgv(const float* sourceP, int sourceStride, float* maxP , size_t framesToProcess); 42 PLATFORM_EXPORT void vmaxmgv(const float* sourceP, int sourceStride, float* maxP , size_t framesToProcess);
43 43
44 // Sums the squares of a float vector's elements. 44 // Sums the squares of a float vector's elements.
45 PLATFORM_EXPORT void vsvesq(const float* sourceP, int sourceStride, float* sumP, size_t framesToProcess); 45 PLATFORM_EXPORT void vsvesq(const float* sourceP, int sourceStride, float* sumP, size_t framesToProcess);
46 46
47 // For an element-by-element multiply of two float vectors. 47 // For an element-by-element multiply of two float vectors.
48 PLATFORM_EXPORT void vmul(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProce ss); 48 PLATFORM_EXPORT void vmul(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProce ss);
49 49
50 // Multiplies two complex vectors. 50 // Multiplies two complex vectors.
51 PLATFORM_EXPORT void zvmul(const float* real1P, const float* imag1P, const float * real2P, const float* imag2P, float* realDestP, float* imagDestP, size_t frames ToProcess); 51 PLATFORM_EXPORT void zvmul(const float* real1P, const float* imag1P, const float * real2P, const float* imag2P, float* realDestP, float* imagDestP, size_t frames ToProcess);
52 52
53 // Copies elements while clipping values to the threshold inputs. 53 // Copies elements while clipping values to the threshold inputs.
54 PLATFORM_EXPORT void vclip(const float* sourceP, int sourceStride, const float* lowThresholdP, const float* highThresholdP, float* destP, int destStride, size_t framesToProcess); 54 PLATFORM_EXPORT void vclip(const float* sourceP, int sourceStride, const float* lowThresholdP, const float* highThresholdP, float* destP, int destStride, size_t framesToProcess);
55 55
56 } // namespace VectorMath 56 } // namespace VectorMath
57 } // namespace WebCore 57 } // namespace blink
58 58
59 #endif // VectorMath_h 59 #endif // VectorMath_h
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