From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/jpeg-xl/lib/jpegli/encode_internal.h | 101 +++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 third_party/jpeg-xl/lib/jpegli/encode_internal.h (limited to 'third_party/jpeg-xl/lib/jpegli/encode_internal.h') diff --git a/third_party/jpeg-xl/lib/jpegli/encode_internal.h b/third_party/jpeg-xl/lib/jpegli/encode_internal.h new file mode 100644 index 0000000000..8f08272fd2 --- /dev/null +++ b/third_party/jpeg-xl/lib/jpegli/encode_internal.h @@ -0,0 +1,101 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#ifndef LIB_JPEGLI_ENCODE_INTERNAL_H_ +#define LIB_JPEGLI_ENCODE_INTERNAL_H_ + +/* clang-format off */ +#include +#include +#include +/* clang-format on */ + +#include "lib/jpegli/bit_writer.h" +#include "lib/jpegli/common_internal.h" +#include "lib/jpegli/encode.h" + +namespace jpegli { + +constexpr unsigned char kICCSignature[12] = { + 0x49, 0x43, 0x43, 0x5F, 0x50, 0x52, 0x4F, 0x46, 0x49, 0x4C, 0x45, 0x00}; +constexpr int kICCMarker = JPEG_APP0 + 2; + +struct JPEGHuffmanCode { + // Bit length histogram. + uint32_t counts[kJpegHuffmanMaxBitLength + 1]; + // Symbol values sorted by increasing bit lengths. + uint32_t values[kJpegHuffmanAlphabetSize + 1]; + // The index of the Huffman code in the current set of Huffman codes. For AC + // component Huffman codes, 0x10 is added to the index. + int slot_id; + boolean sent_table; +}; + +// DCTCodingState: maximum number of correction bits to buffer +const int kJPEGMaxCorrectionBits = 1u << 16; + +constexpr int kDefaultProgressiveLevel = 0; + +struct HuffmanCodeTable { + int depth[256]; + int code[256]; +}; + +struct ScanCodingInfo { + uint32_t dc_tbl_idx[MAX_COMPS_IN_SCAN]; + uint32_t ac_tbl_idx[MAX_COMPS_IN_SCAN]; + // Number of Huffman codes defined in the DHT segment preceding this scan. + size_t num_huffman_codes; +}; + +typedef int16_t coeff_t; + +} // namespace jpegli + +struct jpeg_comp_master { + jpegli::RowBuffer input_buffer[jpegli::kMaxComponents]; + jpegli::RowBuffer* smooth_input[jpegli::kMaxComponents]; + jpegli::RowBuffer* raw_data[jpegli::kMaxComponents]; + bool force_baseline; + bool xyb_mode; + uint8_t cicp_transfer_function; + bool use_std_tables; + bool use_adaptive_quantization; + int progressive_level; + size_t xsize_blocks; + size_t ysize_blocks; + size_t blocks_per_iMCU_row; + jpegli::ScanCodingInfo* scan_coding_info; + JpegliDataType data_type; + JpegliEndianness endianness; + void (*input_method)(const uint8_t* row_in, size_t len, + float* row_out[jpegli::kMaxComponents]); + void (*color_transform)(float* row[jpegli::kMaxComponents], size_t len); + void (*downsample_method[jpegli::kMaxComponents])( + float* rows_in[MAX_SAMP_FACTOR], size_t len, float* row_out); + float* quant_mul[jpegli::kMaxComponents]; + float* zero_bias_offset[jpegli::kMaxComponents]; + float* zero_bias_mul[jpegli::kMaxComponents]; + int h_factor[jpegli::kMaxComponents]; + int v_factor[jpegli::kMaxComponents]; + jpegli::JPEGHuffmanCode* huffman_codes; + size_t num_huffman_codes; + jpegli::HuffmanCodeTable huff_tables[8]; + float* diff_buffer; + jpegli::RowBuffer fuzzy_erosion_tmp; + jpegli::RowBuffer pre_erosion; + jpegli::RowBuffer quant_field; + jvirt_barray_ptr* coeff_buffers; + size_t next_input_row; + size_t next_iMCU_row; + size_t last_dht_index; + size_t last_restart_interval; + JCOEF last_dc_coeff[MAX_COMPS_IN_SCAN]; + jpegli::JpegBitWriter bw; + float* dct_buffer; + int32_t* block_tmp; +}; + +#endif // LIB_JPEGLI_ENCODE_INTERNAL_H_ -- cgit v1.2.3