1 /* 2 * Copyright (c) 2023 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 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 CODEC_JPEG_VDI_H 17 #define CODEC_JPEG_VDI_H 18 19 #include <vector> 20 #include "buffer_handle.h" 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 #define CODEC_JPEG_VDI_LIB_NAME "libjpeg_vdi_impl.z.so" 26 27 struct ICodecJpegHwi { 28 int32_t (*JpegInit)(); 29 30 int32_t (*JpegDeInit)(); 31 32 int32_t (*AllocateInBuffer)(BufferHandle **buffer, uint32_t size); 33 34 int32_t (*FreeInBuffer)(BufferHandle *buffer); 35 36 int32_t (*DoJpegDecode)(BufferHandle *buffer, BufferHandle *outBuffer, const struct CodecJpegDecInfo *decInfo); 37 38 void (*NotifyPowerOn)(); 39 }; 40 41 struct CodecImageRegion { 42 uint32_t left; 43 uint32_t right; 44 uint32_t top; 45 uint32_t bottom; 46 uint32_t flag; 47 uint32_t rsv; 48 }; 49 50 struct CodecJpegQuantTable { 51 std::vector<uint16_t> quantVal; 52 bool tableFlag; 53 }; 54 55 struct CodecJpegHuffTable { 56 std::vector<uint8_t> bits; 57 std::vector<uint8_t> huffVal; 58 bool tableFlag; 59 }; 60 struct CodecJpegCompInfo { 61 uint32_t componentId; 62 uint32_t componentIndex; 63 uint32_t hSampFactor; 64 uint32_t vSampFactor; 65 uint32_t quantTableNo; 66 uint32_t dcTableNo; 67 uint32_t acTableNo; 68 bool infoFlag; 69 }; 70 71 struct CodecJpegDecInfo { 72 uint32_t imageWidth; 73 uint32_t imageHeight; 74 uint32_t dataPrecision; 75 uint32_t numComponents; 76 uint32_t restartInterval; 77 bool arithCode; 78 bool progressiveMode; 79 std::vector<CodecJpegCompInfo> compInfo; 80 std::vector<CodecJpegHuffTable> dcHuffTbl; 81 std::vector<CodecJpegHuffTable> acHuffTbl; 82 std::vector<CodecJpegQuantTable> quantTbl; 83 struct CodecImageRegion region; 84 unsigned int sampleSize; 85 unsigned int compressPos; 86 }; 87 88 struct ICodecJpegHwi *GetCodecJpegHwi(void); 89 90 #ifdef __cplusplus 91 } 92 #endif 93 #endif /* CODEC_JPEG_VDI_H */ 94