35 lines
1,003 B
C++
35 lines
1,003 B
C++
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#ifndef LIB_JXL_ENC_NOISE_H_
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#define LIB_JXL_ENC_NOISE_H_
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// Noise parameter estimation.
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#include <cstdint>
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#include "lib/jxl/base/status.h"
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#include "lib/jxl/enc_bit_writer.h"
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#include "lib/jxl/image.h"
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#include "lib/jxl/noise.h"
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namespace jxl {
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struct AuxOut;
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enum class LayerType : uint8_t;
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// Get parameters of the noise for NoiseParams model
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// Returns whether a valid noise model (with HasAny()) is set.
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Status GetNoiseParameter(const Image3F& opsin, NoiseParams* noise_params,
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float quality_coef);
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// Does not write anything if `noise_params` are empty. Otherwise, caller must
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// set FrameHeader.flags.kNoise.
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Status EncodeNoise(const NoiseParams& noise_params, BitWriter* writer,
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LayerType layer, AuxOut* aux_out);
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} // namespace jxl
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#endif // LIB_JXL_ENC_NOISE_H_
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