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 IMAGE_ENVIRONMENT_NATIVE_H 17 #define IMAGE_ENVIRONMENT_NATIVE_H 18 19 #include <cinttypes> 20 #include <mutex> 21 22 #include "image_processing_types.h" 23 24 namespace OHOS { 25 namespace Media { 26 namespace VideoProcessingEngine { 27 class ImageEnvironmentNative { 28 public: 29 static ImageEnvironmentNative& Get(); 30 31 ImageProcessing_ErrorCode Initialize(); 32 ImageProcessing_ErrorCode Deinitialize(); 33 ImageProcessing_ErrorCode InitializeByDefault(); 34 ImageProcessing_ErrorCode DeinitializeByDefault(); 35 36 private: 37 ImageEnvironmentNative() = default; 38 virtual ~ImageEnvironmentNative() = default; 39 ImageEnvironmentNative(const ImageEnvironmentNative&) = delete; 40 ImageEnvironmentNative& operator=(const ImageEnvironmentNative&) = delete; 41 ImageEnvironmentNative(ImageEnvironmentNative&&) = delete; 42 ImageEnvironmentNative& operator=(ImageEnvironmentNative&&) = delete; 43 44 ImageProcessing_ErrorCode InitializeLocked(); 45 ImageProcessing_ErrorCode DeinitializeLocked(); 46 ImageProcessing_ErrorCode InitializeEnvLocked(); 47 ImageProcessing_ErrorCode DeinitializeEnvLocked(); 48 49 std::mutex lock_{}; 50 // Guarded by lock_ begin 51 bool isExplicitInit_{}; 52 uint32_t referenceCount_{}; 53 // Guarded by lock_ end 54 }; 55 } // namespace VideoProcessingEngine 56 } // namespace Media 57 } // namespace OHOS 58 59 #endif // IMAGE_ENVIRONMENT_NATIVE_H 60