// 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_CACHE_H_
#define LIB_JXL_ENC_CACHE_H_
#include <jxl/cms_interface.h>
#include <jxl/memory_manager.h>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <vector>
#include "lib/jxl/base/data_parallel.h"
#include "lib/jxl/base/rect.h"
#include "lib/jxl/base/status.h"
#include "lib/jxl/dct_util.h"
#include "lib/jxl/enc_ans.h"
#include "lib/jxl/enc_bit_writer.h"
#include "lib/jxl/enc_params.h"
#include "lib/jxl/enc_progressive_split.h"
#include "lib/jxl/frame_header.h"
#include "lib/jxl/image.h"
#include "lib/jxl/passes_state.h"
#include "lib/jxl/quant_weights.h"
namespace jxl {
struct AuxOut;
// Contains encoder state.
struct PassesEncoderState {
explicit PassesEncoderState(JxlMemoryManager* memory_manager)
: shared(memory_manager) {}
PassesSharedState shared;
bool streaming_mode =
false;
bool initialize_global_state =
true;
size_t dc_group_index = 0;
// Per-pass DCT coefficients for the image. One row per group.
std::vector<std::unique_ptr<ACImage>> coeffs;
// Raw data for special (reference+DC) frames.
std::vector<std::unique_ptr<BitWriter>> special_frames;
// For splitting into passes.
ProgressiveSplitter progressive_splitter;
CompressParams cparams;
struct PassData {
std::vector<std::vector<Token>> ac_tokens;
std::vector<uint8_t> context_map;
EntropyEncodingData codes;
};
std::vector<PassData> passes;
std::vector<size_t> histogram_idx;
// Block sizes seen so far.
uint32_t used_acs = 0;
// Coefficient orders that are non-default.
std::vector<uint32_t> used_orders;
// Multiplier to be applied to the quant matrices of the x channel.
float x_qm_multiplier = 1.0f;
float b_qm_multiplier = 1.0f;
ImageF initial_quant_masking1x1;
JxlMemoryManager* memory_manager()
const {
return shared.memory_manager; }
};
// Initialize per-frame information.
class ModularFrameEncoder;
Status InitializePassesEncoder(
const FrameHeader& frame_header,
const Image3F& opsin,
const Rect& rect,
const JxlCmsInterface& cms, ThreadPool* pool,
PassesEncoderState* passes_enc_state,
ModularFrameEncoder* modular_frame_encoder,
AuxOut* aux_out);
Status ComputeACMetadata(ThreadPool* pool, PassesEncoderState* enc_state,
ModularFrameEncoder* modular_frame_encoder);
}
// namespace jxl
#endif // LIB_JXL_ENC_CACHE_H_
