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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
/*
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* Copyright (C) 2020-2024 ArtInChip Technology Co. Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Author: <qi.xu@artinchip.com>
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* Desc: jpeg enc context
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*/
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#ifndef JPEG_ENC_CTX_H
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#define JPEG_ENC_CTX_H
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#include <unistd.h>
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#include "put_bits.h"
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#include "jpeg_tables.h"
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#include "mpp_codec.h"
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#define QUANT_FIXED_POINT_BITS 19
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#define ALIGN_4K(x) (((x) + 4095) & ~(4095))
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/* JPEG marker codes */
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enum JpegMarker {
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/* start of frame */
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SOF0 = 0xc0, /* baseline */
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SOF1 = 0xc1, /* extended sequential, huffman */
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SOF2 = 0xc2, /* progressive, huffman */
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SOF3 = 0xc3, /* lossless, huffman */
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SOF5 = 0xc5, /* differential sequential, huffman */
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SOF6 = 0xc6, /* differential progressive, huffman */
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SOF7 = 0xc7, /* differential lossless, huffman */
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JPG = 0xc8, /* reserved for JPEG extension */
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SOF9 = 0xc9, /* extended sequential, arithmetic */
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SOF10 = 0xca, /* progressive, arithmetic */
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SOF11 = 0xcb, /* lossless, arithmetic */
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SOF13 = 0xcd, /* differential sequential, arithmetic */
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SOF14 = 0xce, /* differential progressive, arithmetic */
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SOF15 = 0xcf, /* differential lossless, arithmetic */
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DHT = 0xc4, /* define huffman tables */
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DAC = 0xcc, /* define arithmetic-coding conditioning */
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/* restart with modulo 8 count "m" */
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RST0 = 0xd0,
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RST1 = 0xd1,
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RST2 = 0xd2,
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RST3 = 0xd3,
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RST4 = 0xd4,
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RST5 = 0xd5,
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RST6 = 0xd6,
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RST7 = 0xd7,
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SOI = 0xd8, /* start of image */
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EOI = 0xd9, /* end of image */
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SOS = 0xda, /* start of scan */
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DQT = 0xdb, /* define quantization tables */
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DNL = 0xdc, /* define number of lines */
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DRI = 0xdd, /* define restart interval */
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DHP = 0xde, /* define hierarchical progression */
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EXP = 0xdf, /* expand reference components */
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APP0 = 0xe0,
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APP1 = 0xe1,
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APP2 = 0xe2,
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APP3 = 0xe3,
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APP4 = 0xe4,
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APP5 = 0xe5,
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APP6 = 0xe6,
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APP7 = 0xe7,
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APP8 = 0xe8,
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APP9 = 0xe9,
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APP10 = 0xea,
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APP11 = 0xeb,
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APP12 = 0xec,
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APP13 = 0xed,
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APP14 = 0xee,
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APP15 = 0xef,
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JPG0 = 0xf0,
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JPG1 = 0xf1,
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JPG2 = 0xf2,
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JPG3 = 0xf3,
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JPG4 = 0xf4,
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JPG5 = 0xf5,
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JPG6 = 0xf6,
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SOF48 = 0xf7, ///< JPEG-LS
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LSE = 0xf8, ///< JPEG-LS extension parameters
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JPG9 = 0xf9,
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JPG10 = 0xfa,
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JPG11 = 0xfb,
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JPG12 = 0xfc,
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JPG13 = 0xfd,
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COM = 0xfe, /* comment */
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TEM = 0x01, /* temporary private use for arithmetic coding */
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/* 0x02 -> 0xbf reserved */
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};
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struct jpeg_ctx {
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struct mpp_encoder encoder;
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unsigned int luma_quant_table[64];
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unsigned int chroma_quant_table[64];
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uint8_t huff_size_dc_luminance[12]; ///< DC luminance Huffman table size.
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uint16_t huff_code_dc_luminance[12]; ///< DC luminance Huffman table codes.
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uint8_t huff_size_dc_chrominance[12]; ///< DC chrominance Huffman table size.
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uint16_t huff_code_dc_chrominance[12]; ///< DC chrominance Huffman table codes.
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uint8_t huff_size_ac_luminance[256]; ///< AC luminance Huffman table size.
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uint16_t huff_code_ac_luminance[256]; ///< AC luminance Huffman table codes.
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uint8_t huff_size_ac_chrominance[256]; ///< AC chrominance Huffman table size.
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uint16_t huff_code_ac_chrominance[256]; ///< AC chrominance Huffman table codes.
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int uv_interleave;
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int h_count[4];
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int v_count[4];
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int comp_num;
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int width;
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int height;
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int y_stride;
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int quality;
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int header_offset;
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struct mpp_frame* cur_frame;
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unsigned int phy_addr[3];
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int encode_data_len;
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int ve_fd;
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unsigned long regs_base;
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struct ve_buffer_allocator *alloc;
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unsigned char* bitstream_vir_addr;
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unsigned int bitstream_phy_addr;
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int stream_num;
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struct put_bit_ctx pb;
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struct encode_config config;
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};
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int jpeg_hw_encode(struct jpeg_ctx *s);
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#endif
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