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 PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_HDR_HDR_HELPER_H 17 #define PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_HDR_HDR_HELPER_H 18 19 #include "box/item_property_display_box.h" 20 #include "include/codec/SkCodec.h" 21 #include "ext_stream.h" 22 #ifdef USE_M133_SKIA 23 #include "include/core/SkStream.h" 24 #endif 25 #include "hdr_type.h" 26 27 namespace OHOS { 28 namespace ImagePlugin { 29 class HdrHelper { 30 public: 31 static Media::ImageHdrType CheckHdrType(SkCodec* codec, uint32_t& offset); 32 static void ValidateAndCorrectMetaData(Media::HdrMetadata& metadata, Media::ImageHdrType type); 33 static bool GetMetadata(SkCodec* codec, Media::ImageHdrType type, Media::HdrMetadata& metadata); 34 static bool CheckGainmapOffset(Media::ImageHdrType type, InputDataStream *stream, uint32_t& offset); 35 }; 36 37 class HdrJpegPackerHelper { 38 public: 39 static uint32_t SpliceHdrStream(sk_sp<SkData>& baseImage, sk_sp<SkData>& gainmapImage, 40 SkWStream& output, Media::HdrMetadata& metadata); 41 uint32_t SpliceLogHdrStream(sk_sp<SkData>& baseImage, 42 SkWStream& output, Media::HdrMetadata& metadata); 43 private: 44 static std::vector<uint8_t> PackVividMetadataMarker(Media::HdrMetadata& metadata); 45 static std::vector<uint8_t> PackISOMetadataMarker(Media::HdrMetadata& metadata); 46 static std::vector<uint8_t> PackBaseVividMarker(uint32_t gainmapOffset, uint32_t preOffset, uint32_t appSize); 47 static std::vector<uint8_t> PackBaseMpfMarker(uint32_t baseSize, uint32_t gainmapSize, uint32_t appOffset); 48 static std::vector<uint8_t> PackBaseISOMarker(); 49 static std::vector<uint8_t> PackHdrMediaTypeMarker(Media::HdrMetadata& hdrMetadata); 50 static uint32_t GetBaseVividMarkerSize(); 51 static uint32_t GetMpfMarkerSize(); 52 }; 53 54 class HdrHeifPackerHelper { 55 public: 56 static bool PackIT35Info(Media::HdrMetadata& metadata, std::vector<uint8_t>& info); 57 }; 58 } // namespace Media 59 } // namespace OHOS 60 61 #endif // PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_HDR_HDR_HELPER_H