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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_AR_CONTROL_FIELD_H_
#define LIB_JXL_ENC_AR_CONTROL_FIELD_H_
#include <stddef.h>
#include <vector>
#include "lib/jxl/ac_strategy.h"
#include "lib/jxl/enc_params.h"
#include "lib/jxl/frame_header.h"
#include "lib/jxl/image.h"
namespace jxl {
struct PassesEncoderState;
struct ArControlFieldHeuristics {
struct TempImages {
Status InitOnce() {
if (laplacian_sqrsum.xsize() != 0) return true;
JXL_ASSIGN_OR_RETURN(laplacian_sqrsum,
ImageF::Create(kEncTileDim + 4, kEncTileDim + 4));
JXL_ASSIGN_OR_RETURN(sqrsum_00,
ImageF::Create(kEncTileDim / 4, kEncTileDim / 4));
JXL_ASSIGN_OR_RETURN(
sqrsum_22, ImageF::Create(kEncTileDim / 4 + 1, kEncTileDim / 4 + 1));
return true;
}
ImageF laplacian_sqrsum;
ImageF sqrsum_00;
ImageF sqrsum_22;
};
void PrepareForThreads(size_t num_threads) {
temp_images.resize(num_threads);
}
Status RunRect(const CompressParams& cparams, const FrameHeader& frame_header,
const Rect& block_rect, const Image3F& opsin,
const Rect& opsin_rect, const ImageF& quant_field,
const AcStrategyImage& ac_strategy, ImageB* epf_sharpness,
size_t thread);
std::vector<TempImages> temp_images;
};
} // namespace jxl
#endif // LIB_JXL_AR_ENC_CONTROL_FIELD_H_
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