blob: 82d8278b724668f2788412e8339f0396bd863e8d (
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
|
// 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_QUANT_WEIGHTS_H_
#define LIB_JXL_ENC_QUANT_WEIGHTS_H_
#include <cstddef>
#include "lib/jxl/quant_weights.h"
namespace jxl {
struct AuxOut;
struct BitWriter;
Status DequantMatricesEncode(
const DequantMatrices& matrices, BitWriter* writer, size_t layer,
AuxOut* aux_out, ModularFrameEncoder* modular_frame_encoder = nullptr);
Status DequantMatricesEncodeDC(const DequantMatrices& matrices,
BitWriter* writer, size_t layer,
AuxOut* aux_out);
// For consistency with QuantEncoding, higher values correspond to more
// precision.
void DequantMatricesSetCustomDC(DequantMatrices* matrices, const float* dc);
void DequantMatricesScaleDC(DequantMatrices* matrices, float scale);
Status DequantMatricesSetCustom(DequantMatrices* matrices,
const std::vector<QuantEncoding>& encodings,
ModularFrameEncoder* encoder);
// Roundtrip encode/decode the matrices to ensure same values as decoder.
void DequantMatricesRoundtrip(DequantMatrices* matrices);
} // namespace jxl
#endif // LIB_JXL_ENC_QUANT_WEIGHTS_H_
|
