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 <stddef.h> 12 13 #include "lib/jxl/aux_out_fwd.h" 14 #include "lib/jxl/base/status.h" 15 #include "lib/jxl/enc_bit_writer.h" 16 #include "lib/jxl/image.h" 17 #include "lib/jxl/noise.h" 18 19 namespace jxl { 20 21 // Get parameters of the noise for NoiseParams model 22 // Returns whether a valid noise model (with HasAny()) is set. 23 Status GetNoiseParameter(const Image3F& opsin, NoiseParams* noise_params, 24 float quality_coef); 25 26 // Does not write anything if `noise_params` are empty. Otherwise, caller must 27 // set FrameHeader.flags.kNoise. 28 void EncodeNoise(const NoiseParams& noise_params, BitWriter* writer, 29 size_t layer, AuxOut* aux_out); 30 31 } // namespace jxl 32 33 #endif // LIB_JXL_ENC_NOISE_H_ 34