// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_AUDIO_MAC_VECTOR_MATH_MAC_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_AUDIO_MAC_VECTOR_MATH_MAC_H_
#include <Accelerate/Accelerate.h>
#include "build/build_config.h"
#include "third_party/blink/renderer/platform/audio/audio_array.h"
namespace blink {
namespace vector_math {
namespace mac {
// On the Mac we use the highly optimized versions in Accelerate.framework
// In 32-bit mode (__ppc__ or __i386__) <Accelerate/Accelerate.h> includes
// <vecLib/vDSP_translate.h> which defines macros of the same name as
// our namespaced function names, so we must handle this case differently. Other
// architectures (64bit, ARM, etc.) do not include this header file.
ALWAYS_INLINE static void Conv(const float* source_p,
int source_stride,
const float* filter_p,
int filter_stride,
float* dest_p,
int dest_stride,
uint32_t frames_to_process,
size_t filter_size,
const AudioFloatArray* /*prepared_filter*/) {
#if defined(ARCH_CPU_X86)
::conv(source_p, source_stride, filter_p, filter_stride, dest_p, dest_stride,
frames_to_process, filter_size);
#else
vDSP_conv(source_p, source_stride, filter_p, filter_stride, dest_p,
dest_stride, frames_to_process, filter_size);
#endif
}
ALWAYS_INLINE static void Vadd(const float* source1p,
int source_stride1,
const float* source2p,
int source_stride2,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
#if defined(ARCH_CPU_X86)
::vadd(source1p, source_stride1, source2p, source_stride2, dest_p,
dest_stride, frames_to_process);
#else
vDSP_vadd(source1p, source_stride1, source2p, source_stride2, dest_p,
dest_stride, frames_to_process);
#endif
}
ALWAYS_INLINE static void Vsub(const float* source1p,
int source_stride1,
const float* source2p,
int source_stride2,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
// NOTE: We define Vsub to be source1 - source2, The vDSP routines
// do source2 - source1, so swap the args when calling the vDSP
// routines.
#if defined(ARCH_CPU_X86)
::vsub(source2p, source_stride2, source1p, source_stride1, dest_p,
dest_stride, frames_to_process);
#else
vDSP_vsub(source2p, source_stride2, source1p, source_stride1, dest_p,
dest_stride, frames_to_process);
#endif
}
ALWAYS_INLINE static void Vclip(const float* source_p,
int source_stride,
const float* low_threshold_p,
const float* high_threshold_p,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
vDSP_vclip(source_p, source_stride, low_threshold_p, high_threshold_p, dest_p,
dest_stride, frames_to_process);
}
ALWAYS_INLINE static void Vmaxmgv(const float* source_p,
int source_stride,
float* max_p,
uint32_t frames_to_process) {
vDSP_maxmgv(source_p, source_stride, max_p, frames_to_process);
}
ALWAYS_INLINE static void Vmul(const float* source1p,
int source_stride1,
const float* source2p,
int source_stride2,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
#if defined(ARCH_CPU_X86)
::vmul(source1p, source_stride1, source2p, source_stride2, dest_p,
dest_stride, frames_to_process);
#else
vDSP_vmul(source1p, source_stride1, source2p, source_stride2, dest_p,
dest_stride, frames_to_process);
#endif
}
ALWAYS_INLINE static void Vsma(const float* source_p,
int source_stride,
const float* scale,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
vDSP_vsma(source_p, source_stride, scale, dest_p, dest_stride, dest_p,
dest_stride, frames_to_process);
}
ALWAYS_INLINE static void Vsmul(const float* source_p,
int source_stride,
const float* scale,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
#if defined(ARCH_CPU_X86)
::vsmul(source_p, source_stride, scale, dest_p, dest_stride,
frames_to_process);
#else
vDSP_vsmul(source_p, source_stride, scale, dest_p, dest_stride,
frames_to_process);
#endif
}
ALWAYS_INLINE static void Vsadd(const float* source_p,
int source_stride,
const float* addend,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
#if defined(ARCH_CPU_X86)
::vsadd(source_p, source_stride, addend, dest_p, dest_stride,
frames_to_process);
#else
vDSP_vsadd(source_p, source_stride, addend, dest_p, dest_stride,
frames_to_process);
#endif
}
ALWAYS_INLINE static void Vsadd(const float* source_p,
int source_stride,
float addend,
float* dest_p,
int dest_stride,
uint32_t frames_to_process) {
#if defined(ARCH_CPU_X86)
::vsadd(source_p, source_stride, &addend, dest_p, dest_stride,
frames_to_process);
#else
vDSP_vsadd(source_p, source_stride, &addend, dest_p, dest_stride,
frames_to_process);
#endif
}
ALWAYS_INLINE static void Vsvesq(const float* source_p,
int source_stride,
float* sum_p,
uint32_t frames_to_process) {
vDSP_svesq(source_p, source_stride, sum_p, frames_to_process);
}
ALWAYS_INLINE static void Zvmul(const float* real1p,
const float* imag1p,
const float* real2p,
const float* imag2p,
float* real_dest_p,
float* imag_dest_p,
uint32_t frames_to_process) {
DSPSplitComplex sc1;
DSPSplitComplex sc2;
DSPSplitComplex dest;
sc1.realp = const_cast<float*>(real1p);
sc1.imagp = const_cast<float*>(imag1p);
sc2.realp = const_cast<float*>(real2p);
sc2.imagp = const_cast<float*>(imag2p);
dest.realp = real_dest_p;
dest.imagp = imag_dest_p;
#if defined(ARCH_CPU_X86)
::zvmul(&sc1, 1, &sc2, 1, &dest, 1, frames_to_process, 1);
#else
vDSP_zvmul(&sc1, 1, &sc2, 1, &dest, 1, frames_to_process, 1);
#endif
}
} // namespace mac
} // namespace vector_math
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_AUDIO_MAC_VECTOR_MATH_MAC_H_
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