1 /* 2 * Copyright (C) 2021 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 FRAMEWORKS_INNERKITSIMPL_UTILS_INCLUDE_IMAGE_UTILS_H 17 #define FRAMEWORKS_INNERKITSIMPL_UTILS_INCLUDE_IMAGE_UTILS_H 18 19 #include <cstdlib> 20 #include <cstdio> 21 #include <string> 22 #include "image_type.h" 23 #include "iosfwd" 24 25 namespace OHOS { namespace MultimediaPlugin { class PluginServer; } } 26 namespace OHOS { 27 namespace Media { 28 const std::string IMAGE_ENCODE_FORMAT = "encodeFormat"; 29 constexpr uint32_t MALLOC_MAX_LENTH = 0x40000000; 30 class PixelMap; 31 32 class ImageUtils { 33 public: 34 static bool GetFileSize(const std::string &pathName, size_t &size); 35 static bool GetFileSize(const int fd, size_t &size); 36 static bool GetInputStreamSize(std::istream &inputStream, size_t &size); 37 static int32_t GetPixelBytes(const PixelFormat &pixelFormat); 38 static bool PathToRealPath(const std::string &path, std::string &realPath); 39 static bool FloatCompareZero(float src); 40 static AlphaType GetValidAlphaTypeByFormat(const AlphaType &dstType, const PixelFormat &format); 41 static bool IsValidImageInfo(const ImageInfo &info); 42 static MultimediaPlugin::PluginServer& GetPluginServer(); 43 static bool CheckMulOverflow(int32_t width, int32_t bytesPerPixel); 44 static bool CheckMulOverflow(int32_t width, int32_t height, int32_t bytesPerPixel); 45 static void BGRAToARGB(uint8_t* srcPixels, uint8_t* dstPixels, uint32_t byteCount); 46 static void ARGBToBGRA(uint8_t* srcPixels, uint8_t* dstPixels, uint32_t byteCount); 47 static int32_t SurfaceBuffer_Reference(void* buffer); 48 static int32_t SurfaceBuffer_Unreference(void* buffer); 49 static void DumpPixelMapIfDumpEnabled(std::unique_ptr<PixelMap>& pixelMap, uint64_t imageId = 0); 50 static void DumpPixelMapBeforeEncode(PixelMap& pixelMap); 51 static void DumpDataIfDumpEnabled(const char* data, const size_t& totalSize, const std::string& fileSuffix = "dat", 52 uint64_t imageId = 0); 53 54 private: 55 static uint32_t RegisterPluginServer(); 56 static uint32_t SaveDataToFile(const std::string& fileName, const char* data, const size_t& totalSize); 57 static std::string GetLocalTime(); 58 static std::string GetPixelMapName(PixelMap* pixelMap); 59 }; 60 } // namespace Media 61 } // namespace OHOS 62 #endif // FRAMEWORKS_INNERKITSIMPL_UTILS_INCLUDE_IMAGE_UTILS_H 63