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 VIDEO_PROCESSING_ALGORITHM_FACTORY_H 17 #define VIDEO_PROCESSING_ALGORITHM_FACTORY_H 18 19 #include <memory> 20 #include <string> 21 22 #include "ivideo_processing_algorithm.h" 23 24 namespace OHOS { 25 namespace Media { 26 namespace VideoProcessingEngine { 27 class VideoProcessingAlgorithmFactory { 28 public: 29 VideoProcessingAlgorithmFactory(); 30 ~VideoProcessingAlgorithmFactory(); 31 VideoProcessingAlgorithmFactory(const VideoProcessingAlgorithmFactory&) = delete; 32 VideoProcessingAlgorithmFactory& operator=(const VideoProcessingAlgorithmFactory&) = delete; 33 VideoProcessingAlgorithmFactory(VideoProcessingAlgorithmFactory&&) = delete; 34 VideoProcessingAlgorithmFactory& operator=(VideoProcessingAlgorithmFactory&&) = delete; 35 36 std::shared_ptr<IVideoProcessingAlgorithm> Create(const std::string& feature) const; 37 38 private: 39 bool LoadDynamicAlgorithm(const std::string& path); 40 void UnloadDynamicAlgorithm(); 41 void GenerateFeatureIDs(); 42 43 void* handle_{}; 44 }; 45 } // namespace VideoProcessingEngine 46 } // namespace Media 47 } // namespace OHOS 48 49 #endif // VIDEO_PROCESSING_ALGORITHM_FACTORY_H 50