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29 #include "VectorMath.h"
32 #include <Accelerate/Accelerate.h>
37 namespace VectorMath {
40 // On the Mac we use the highly optimized versions in Accelerate.framework
41 // In 32-bit mode (__ppc__ or __i386__) <Accelerate/Accelerate.h> includes <vecLib/vDSP_translate.h> which defines macros of the same name as
42 // our namespaced function names, so we must handle this case differently. Other architectures (64bit, ARM, etc.) do not include this header file.
44 void vsmul(const float* sourceP, int sourceStride, const float* scale, float* destP, int destStride, size_t framesToProcess)
46 #if defined(__ppc__) || defined(__i386__)
47 ::vsmul(sourceP, sourceStride, scale, destP, destStride, framesToProcess);
49 vDSP_vsmul(sourceP, sourceStride, scale, destP, destStride, framesToProcess);
53 void vadd(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProcess)
55 #if defined(__ppc__) || defined(__i386__)
56 ::vadd(source1P, sourceStride1, source2P, sourceStride2, destP, destStride, framesToProcess);
58 vDSP_vadd(source1P, sourceStride1, source2P, sourceStride2, destP, destStride, framesToProcess);
64 void vsmul(const float* sourceP, int sourceStride, const float* scale, float* destP, int destStride, size_t framesToProcess)
66 // FIXME: optimize for SSE
67 int n = framesToProcess;
70 *destP = k * *sourceP;
71 sourceP += sourceStride;
76 void vadd(const float* source1P, int sourceStride1, const float* source2P, int sourceStride2, float* destP, int destStride, size_t framesToProcess)
78 // FIXME: optimize for SSE
79 int n = framesToProcess;
81 *destP = *source1P + *source2P;
82 source1P += sourceStride1;
83 source2P += sourceStride2;
90 } // namespace VectorMath
92 } // namespace WebCore
94 #endif // ENABLE(WEB_AUDIO)