1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SIMD_UTILS_H 17 #define SIMD_UTILS_H 18 19 #include <cstddef> 20 #include <cstdint> 21 22 #if !defined(DISABLE_SIMD) && \ 23 (defined(__aarch64__) || (defined(__arm__) && defined(__ARM_NEON__))) 24 // enable arm Simd 25 #include <arm_neon.h> 26 #define USE_ARM_NEON 1 27 #else 28 // disable SIMD. 29 #define USE_ARM_NEON 0 30 #endif 31 namespace OHOS { 32 namespace AudioStandard { 33 namespace HPAE { 34 35 void SimdPointByPointAdd(size_t length, const float* inputLeft, const float* inputRight, float* output); 36 void SimdPointByPointSub(size_t length, const float* inputLeft, const float* inputRight, float* output); 37 void SimdPointByPointMul(size_t length, const float* inputLeft, const float* inputRight, float* output); 38 }}} 39 40 #endif