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_CONVERTER_INCLUDE_POST_PROC_H 17 #define FRAMEWORKS_INNERKITSIMPL_CONVERTER_INCLUDE_POST_PROC_H 18 19 #include <vector> 20 #include "basic_transformer.h" 21 #include "image_type.h" 22 #include "pixel_map.h" 23 #include "scan_line_filter.h" 24 #include "post_proc_slr.h" 25 26 namespace OHOS { 27 namespace Media { 28 enum class CropValue : int32_t { INVALID, VALID, NOCROP }; 29 30 class PostProc { 31 public: 32 uint32_t DecodePostProc(const DecodeOptions &opts, PixelMap &pixelMap, 33 FinalOutputStep finalOutputStep = FinalOutputStep::NO_CHANGE); 34 uint32_t ConvertProc(const Rect &cropRect, ImageInfo &dstImageInfo, PixelMap &pixelMap, ImageInfo &srcImageInfo); 35 static bool IsHasCrop(const Rect &rect); 36 bool HasPixelConvert(const ImageInfo &srcImageInfo, ImageInfo &dstImageInfo); 37 bool RotatePixelMap(float rotateDegrees, PixelMap &pixelMap); 38 bool ScalePixelMap(const Size &size, PixelMap &pixelMap); 39 bool ScalePixelMap(float scaleX, float scaleY, PixelMap &pixelMap); 40 bool TranslatePixelMap(float tX, float tY, PixelMap &pixelMap); 41 bool CenterScale(const Size &size, PixelMap &pixelMap); 42 static CropValue GetCropValue(const Rect &rect, const Size &size); 43 static CropValue ValidCropValue(Rect &rect, const Size &size); 44 bool ScalePixelMapWithSLR(const Size &desiredSize, PixelMap &pixelMap, bool useLap = true); 45 bool ScalePixelMapEx(const Size &desiredSize, PixelMap &pixelMap, 46 const AntiAliasingOption &option = AntiAliasingOption::NONE); 47 #if !defined(_WIN32) && !defined(_APPLE) && !defined(IOS_PLATFORM) && !defined(ANDROID_PLATFORM) 48 static bool RotateInRectangularSteps(PixelMap &pixelMap, float degrees, bool useGpu = false); 49 static bool ScalePixelMapWithGPU(PixelMap &pixelMap, const Size &desiredSize, 50 const AntiAliasingOption &option, bool useGpu = false); 51 #endif 52 53 private: 54 static uint8_t *AllocSharedMemory(const Size &size, const uint64_t bufferSize, int &fd, uint32_t uniqueId); 55 static uint8_t *AllocDmaMemory(ImageInfo info, const uint64_t bufferSize, 56 void **nativeBuffer, int &targetRowStride); 57 uint32_t NeedScanlineFilter(const Rect &cropRect, const Size &srcSize, const bool &hasPixelConvert); 58 void GetDstImageInfo(const DecodeOptions &opts, PixelMap &pixelMap, 59 ImageInfo srcImageInfo, ImageInfo &dstImageInfo); 60 uint32_t PixelConvertProc(ImageInfo &dstImageInfo, PixelMap &pixelMap, ImageInfo &srcImageInfo); 61 uint32_t AllocBuffer(ImageInfo imageInfo, uint8_t **resultData, uint64_t &dataSize, int &fd, uint32_t uniqueId); 62 bool AllocHeapBuffer(uint64_t bufferSize, uint8_t **buffer); 63 void ReleaseBuffer(AllocatorType allocatorType, int fd, uint64_t dataSize, 64 uint8_t **buffer, void *nativeBuffer = nullptr); 65 bool Transform(BasicTransformer &trans, const PixmapInfo &input, PixelMap &pixelMap); 66 void ConvertPixelMapToPixmapInfo(PixelMap &pixelMap, PixmapInfo &pixmapInfo); 67 void SetScanlineCropAndConvert(const Rect &cropRect, ImageInfo &dstImageInfo, ImageInfo &srcImageInfo, 68 ScanlineFilter &scanlineFilter, bool hasPixelConvert); 69 bool CenterDisplay(PixelMap &pixelMap, int32_t srcWidth, int32_t srcHeight, int32_t targetWidth, 70 int32_t targetHeight); 71 uint32_t CheckScanlineFilter(const Rect &cropRect, ImageInfo &dstImageInfo, PixelMap &pixelMap, 72 int32_t pixelBytes, ScanlineFilter &scanlineFilter); 73 bool CopyPixels(PixelMap& pixelMap, uint8_t* dstPixels, const Size& dstSize, 74 const int32_t srcWidth, const int32_t srcHeight, 75 int srcRowStride = 0, int targetRowStride = 0); 76 bool ProcessScanlineFilter(ScanlineFilter &scanlineFilter, const Rect &cropRect, PixelMap &pixelMap, 77 uint8_t *resultData, uint32_t rowBytes); 78 private: 79 DecodeOptions decodeOpts_; 80 }; 81 } // namespace Media 82 } // namespace OHOS 83 84 #endif // FRAMEWORKS_INNERKITSIMPL_CONVERTER_INCLUDE_POST_PROC_H 85