51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// 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_HEURISTICS_H_
|
|
#define LIB_JXL_ENC_HEURISTICS_H_
|
|
|
|
// Hook for custom encoder heuristics (VarDCT only for now).
|
|
|
|
#include <jxl/cms_interface.h>
|
|
|
|
#include "lib/jxl/base/data_parallel.h"
|
|
#include "lib/jxl/base/rect.h"
|
|
#include "lib/jxl/base/status.h"
|
|
#include "lib/jxl/frame_header.h"
|
|
#include "lib/jxl/image.h"
|
|
|
|
namespace jxl {
|
|
|
|
struct AuxOut;
|
|
struct PassesEncoderState;
|
|
class DequantMatrices;
|
|
class ImageBundle;
|
|
class ModularFrameEncoder;
|
|
|
|
// Initializes encoder structures in `enc_state` using the original image data
|
|
// in `original_pixels`, and the XYB image data in `opsin`. Also modifies the
|
|
// `opsin` image by applying Gaborish, and doing other modifications if
|
|
// necessary. `pool` is used for running the computations on multiple threads.
|
|
// `aux_out` collects statistics and can be used to print debug images.
|
|
Status LossyFrameHeuristics(const FrameHeader& frame_header,
|
|
PassesEncoderState* enc_state,
|
|
ModularFrameEncoder* modular_frame_encoder,
|
|
const Image3F* linear, Image3F* opsin,
|
|
const Rect& rect, const JxlCmsInterface& cms,
|
|
ThreadPool* pool, AuxOut* aux_out);
|
|
|
|
Status ComputeARHeuristics(const FrameHeader& frame_header,
|
|
PassesEncoderState* enc_state,
|
|
const Image3F& orig_opsin, const Rect& rect,
|
|
ThreadPool* pool);
|
|
|
|
void FindBestBlockEntropyModel(PassesEncoderState& enc_state);
|
|
|
|
Status DownsampleImage2_Iterative(Image3F* opsin);
|
|
Status DownsampleImage2_Sharper(Image3F* opsin);
|
|
|
|
} // namespace jxl
|
|
|
|
#endif // LIB_JXL_ENC_HEURISTICS_H_
|