1 /* 2 * Copyright (C) 2024 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 IM_EXTERN_LOADER_H 17 #define IM_EXTERN_LOADER_H 18 19 #include <string> 20 #include <atomic> 21 #include <mutex> 22 23 #include "image_effect_marco_define.h" 24 #include "effect_log.h" 25 26 namespace OHOS { 27 namespace Media { 28 namespace Effect { 29 using InitFunc = void (*)(); 30 using DeinitFunc = void (*)(); 31 using InitModuleFunc = void (*)(); 32 using DeinitModuleFunc = void (*)(); 33 class ExternLoader { 34 public: 35 ~ExternLoader() = default; 36 37 IMAGE_EFFECT_EXPORT static ExternLoader *Instance(); 38 39 IMAGE_EFFECT_EXPORT bool IsExtLoad() const; 40 41 IMAGE_EFFECT_EXPORT void LoadExtSo(); 42 43 InitFunc GetInitFunc() const; 44 DeinitFunc GetDeinitFunc() const; 45 InitModuleFunc GetInitModuleFunc() const; 46 DeinitModuleFunc GetDeinitModuleFunc() const; 47 48 void InitExt(); 49 private: 50 ExternLoader() = default; 51 52 InitFunc initFunc_ = nullptr; 53 DeinitFunc deinitFunc_ = nullptr; 54 InitModuleFunc initModuleFunc_ = nullptr; 55 DeinitModuleFunc deinitModuleFunc_ = nullptr; 56 57 std::atomic<bool> isExtLoad_ = false; 58 std::atomic<bool> hasInitExt_ = false; 59 60 std::mutex loadExtSo_; 61 std::mutex initExtSo_; 62 }; 63 } // namespace Effect 64 } // namespace Media 65 } // namespace OHOS 66 67 #endif // IM_EXTERN_LOADER_H