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// 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 "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);
void 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_
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