blob: 43ee7bc9c8598531ef607d81d74ebbd188213ea1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
// 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_JXL_ENC_CACHE_H_
#define LIB_JXL_ENC_CACHE_H_
#include <jxl/cms_interface.h>
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <vector>
#include "lib/jxl/base/data_parallel.h"
#include "lib/jxl/base/status.h"
#include "lib/jxl/dct_util.h"
#include "lib/jxl/enc_ans.h"
#include "lib/jxl/enc_bit_writer.h"
#include "lib/jxl/enc_params.h"
#include "lib/jxl/enc_progressive_split.h"
#include "lib/jxl/frame_header.h"
#include "lib/jxl/image.h"
#include "lib/jxl/passes_state.h"
#include "lib/jxl/quant_weights.h"
namespace jxl {
struct AuxOut;
// Contains encoder state.
struct PassesEncoderState {
PassesSharedState shared;
bool streaming_mode = false;
bool initialize_global_state = true;
size_t dc_group_index = 0;
// Per-pass DCT coefficients for the image. One row per group.
std::vector<std::unique_ptr<ACImage>> coeffs;
// Raw data for special (reference+DC) frames.
std::vector<std::unique_ptr<BitWriter>> special_frames;
// For splitting into passes.
ProgressiveSplitter progressive_splitter;
CompressParams cparams;
struct PassData {
std::vector<std::vector<Token>> ac_tokens;
std::vector<uint8_t> context_map;
EntropyEncodingData codes;
};
std::vector<PassData> passes;
std::vector<size_t> histogram_idx;
// Block sizes seen so far.
uint32_t used_acs = 0;
// Coefficient orders that are non-default.
std::vector<uint32_t> used_orders;
// Multiplier to be applied to the quant matrices of the x channel.
float x_qm_multiplier = 1.0f;
float b_qm_multiplier = 1.0f;
};
// Initialize per-frame information.
class ModularFrameEncoder;
Status InitializePassesEncoder(const FrameHeader& frame_header,
const Image3F& opsin, const Rect& rect,
const JxlCmsInterface& cms, ThreadPool* pool,
PassesEncoderState* passes_enc_state,
ModularFrameEncoder* modular_frame_encoder,
AuxOut* aux_out);
} // namespace jxl
#endif // LIB_JXL_ENC_CACHE_H_
|
