// 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_DEC_NOISE_H_
#define LIB_JXL_DEC_NOISE_H_

// Noise synthesis. Currently disabled.

#include <stddef.h>
#include <stdint.h>

#include "lib/jxl/aux_out_fwd.h"
#include "lib/jxl/base/status.h"
#include "lib/jxl/chroma_from_luma.h"
#include "lib/jxl/dec_bit_reader.h"
#include "lib/jxl/image.h"
#include "lib/jxl/noise.h"

namespace jxl {

// Add a noise to Opsin image, loading generated random noise from `noise_rect`
// in `noise`.
void AddNoise(const NoiseParams& noise_params, const Rect& noise_rect,
              const Image3F& noise, const Rect& opsin_rect,
              const ColorCorrelationMap& cmap, Image3F* opsin);

void RandomImage3(size_t seed, const Rect& rect, Image3F* JXL_RESTRICT noise);

// Must only call if FrameHeader.flags.kNoise.
Status DecodeNoise(BitReader* br, NoiseParams* noise_params);

}  // namespace jxl

#endif  // LIB_JXL_DEC_NOISE_H_