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_PROCESSING_LOADER_H 17 #define IMAGE_PROCESSING_LOADER_H 18 19 #include <atomic> 20 #include <functional> 21 #include <mutex> 22 #include <string> 23 24 #include "image_processing_capi_interface.h" 25 26 class ImageProcessingNdkLoader { 27 public: 28 static ImageProcessingNdkLoader& Get(); 29 30 bool LoadLibrary(); 31 void UnloadLibrary(); 32 bool IsValid() const; 33 34 // Interface 35 ImageProcessing_ErrorCode InitializeEnvironment(); 36 ImageProcessing_ErrorCode DeinitializeEnvironment(); 37 bool IsColorSpaceConversionSupported( 38 const ImageProcessing_ColorSpaceInfo* sourceImageInfo, 39 const ImageProcessing_ColorSpaceInfo* destinationImageInfo); 40 bool IsCompositionSupported( 41 const ImageProcessing_ColorSpaceInfo* sourceImageInfo, 42 const ImageProcessing_ColorSpaceInfo* sourceGainmapInfo, 43 const ImageProcessing_ColorSpaceInfo* destinationImageInfo); 44 bool IsDecompositionSupported( 45 const ImageProcessing_ColorSpaceInfo* sourceImageInfo, 46 const ImageProcessing_ColorSpaceInfo* destinationImageInfo, 47 const ImageProcessing_ColorSpaceInfo* destinationGainmapInfo); 48 bool IsMetadataGenerationSupported(const ImageProcessing_ColorSpaceInfo* sourceImageInfo); 49 ImageProcessing_ErrorCode Create(OH_ImageProcessing** imageProcessor, int32_t type); 50 ImageProcessing_ErrorCode Destroy(OH_ImageProcessing* imageProcessor); 51 ImageProcessing_ErrorCode SetParameter(OH_ImageProcessing* imageProcessor, const OH_AVFormat* parameter); 52 ImageProcessing_ErrorCode GetParameter(OH_ImageProcessing* imageProcessor, OH_AVFormat* parameter); 53 ImageProcessing_ErrorCode ConvertColorSpace(OH_ImageProcessing* imageProcessor, OH_PixelmapNative* sourceImage, 54 OH_PixelmapNative* destinationImage); 55 ImageProcessing_ErrorCode Compose(OH_ImageProcessing* imageProcessor, OH_PixelmapNative* sourceImage, 56 OH_PixelmapNative* sourceGainmap, OH_PixelmapNative* destinationImage); 57 ImageProcessing_ErrorCode Decompose(OH_ImageProcessing* imageProcessor, OH_PixelmapNative* sourceImage, 58 OH_PixelmapNative* destinationImage, OH_PixelmapNative* destinationGainmap); 59 ImageProcessing_ErrorCode GenerateMetadata(OH_ImageProcessing* imageProcessor, OH_PixelmapNative* sourceImage); 60 ImageProcessing_ErrorCode EnhanceDetail(OH_ImageProcessing* imageProcessor, OH_PixelmapNative* sourceImage, 61 OH_PixelmapNative* destinationImage); 62 63 private: 64 using createNdkFunc = IImageProcessingNdk* (*)(); 65 using destroyNdkFunc = void (*)(IImageProcessingNdk* obj); 66 67 ImageProcessingNdkLoader() = default; 68 virtual ~ImageProcessingNdkLoader() = default; 69 ImageProcessingNdkLoader(const ImageProcessingNdkLoader&) = delete; 70 ImageProcessingNdkLoader& operator=(const ImageProcessingNdkLoader&) = delete; 71 ImageProcessingNdkLoader(ImageProcessingNdkLoader&&) = delete; 72 ImageProcessingNdkLoader& operator=(ImageProcessingNdkLoader&&) = delete; 73 74 bool LoadLibraryLocked(); 75 void UnloadLibraryLocked(); 76 bool OpenLibraryLocked(const std::string& path); 77 bool LoadInterfaceLocked(IImageProcessingNdk*& interface, destroyNdkFunc& destroyFunc, 78 const std::string& createFuncName, const std::string& destroyFuncName, const std::string& path); 79 80 bool CallSupportNdk(std::function<bool(IImageProcessingNdk*)>&& operation); 81 ImageProcessing_ErrorCode CallNdk(std::function<ImageProcessing_ErrorCode(IImageProcessingNdk*)>&& operation); 82 83 std::mutex lock_{}; 84 // Guarded by lock_ begin 85 std::atomic<bool> isValid_{}; 86 uint32_t refCount_{0}; 87 IImageProcessingNdk* imageProcessing_{}; 88 destroyNdkFunc destroyImageProcessingFunc_{}; 89 void* libHandle_{}; 90 // Guarded by lock_ end 91 }; 92 93 #endif // IMAGE_PROCESSING_LOADER_H 94