enc_noise.h (1003B)
1 // Copyright (c) the JPEG XL Project Authors. All rights reserved. 2 // 3 // Use of this source code is governed by a BSD-style 4 // license that can be found in the LICENSE file. 5 6 #ifndef LIB_JXL_ENC_NOISE_H_ 7 #define LIB_JXL_ENC_NOISE_H_ 8 9 // Noise parameter estimation. 10 11 #include <cstdint> 12 13 #include "lib/jxl/base/status.h" 14 #include "lib/jxl/enc_bit_writer.h" 15 #include "lib/jxl/image.h" 16 #include "lib/jxl/noise.h" 17 18 namespace jxl { 19 20 struct AuxOut; 21 enum class LayerType : uint8_t; 22 23 // Get parameters of the noise for NoiseParams model 24 // Returns whether a valid noise model (with HasAny()) is set. 25 Status GetNoiseParameter(const Image3F& opsin, NoiseParams* noise_params, 26 float quality_coef); 27 28 // Does not write anything if `noise_params` are empty. Otherwise, caller must 29 // set FrameHeader.flags.kNoise. 30 Status EncodeNoise(const NoiseParams& noise_params, BitWriter* writer, 31 LayerType layer, AuxOut* aux_out); 32 33 } // namespace jxl 34 35 #endif // LIB_JXL_ENC_NOISE_H_