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 OHOS_CAMERA_DYNAMIC_LOADER_H 17 #define OHOS_CAMERA_DYNAMIC_LOADER_H 18 19 #include <map> 20 #include <memory> 21 #include <mutex> 22 #include <string> 23 24 namespace OHOS { 25 namespace CameraStandard { 26 using namespace std; 27 28 const std::string MEDIA_LIB_SO = "libcamera_dynamic_medialibrary.z.so"; 29 30 class CameraDynamicLoader { 31 public: 32 CameraDynamicLoader(); 33 ~CameraDynamicLoader(); 34 35 void* OpenDynamicHandle(std::string dynamicLibrary); 36 void CloseDynamicHandle(std::string dynamicLibrary); 37 void* GetFuntion(std::string dynamicLibrary, std::string function); EndsWith(const std::string & str,const std::string & suffix)38 inline bool EndsWith(const std::string& str, const std::string& suffix) 39 { 40 if (str.length() >= suffix.length()) { 41 return str.compare(str.length() - suffix.length(), suffix.length(), suffix) == 0; 42 } 43 return false; 44 } 45 46 private: 47 std::map<std::string, void *> dynamicLibHandle_; 48 std::recursive_mutex libLock_; 49 }; 50 51 } // namespace Camera 52 } // namespace OHOS 53 #endif // OHOS_CAMERA_DYNAMIC_LOADER_H