uvg266/src/reshape.h

141 lines
5 KiB
C

#pragma once
/*****************************************************************************
* This file is part of uvg266 VVC encoder.
*
* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
****************************************************************************/
/**
* \ingroup Reconstruction
* \file
* LMCS reshape.
*/
#include "checkpoint.h"
#include "cu.h"
#include "encoder.h"
#include "encoderstate.h"
#include "global.h" // IWYU pragma: keep
#include "uvg266.h"
#include "videoframe.h"
#include "image.h"
#include "nal.h"
typedef struct lmcs_seq_info
{
double binVar[32];
double binHist[32];
double normVar[32];
int nonZeroCnt;
double weightVar;
double weightNorm;
double minBinVar;
double maxBinVar;
double meanBinVar;
double ratioStdU;
double ratioStdV;
} lmcs_seq_info;
typedef struct SliceReshapeInfo {
bool sliceReshaperEnableFlag;
bool sliceReshaperModelPresentFlag;
unsigned enableChromaAdj;
uint32_t reshaperModelMinBinIdx;
uint32_t reshaperModelMaxBinIdx;
int reshaperModelBinCWDelta[PIC_CODE_CW_BINS];
int maxNbitsNeededDeltaCW;
int chrResScalingOffset;
} SliceReshapeInfo;
typedef struct ReshapeCW
{
uint32_t binCW[3];
int updateCtrl;
int adpOption;
uint32_t initialCW;
int rspPicSize;
int rspFps;
int rspBaseQP;
int rspTid;
int rspSliceQP;
int rspFpsToIp;
} ReshapeCW;
typedef struct lmcs_aps {
SliceReshapeInfo m_sliceReshapeInfo;
bool m_CTUFlag;
bool m_recReshaped;
uvg_pixel m_invLUT[1024];
uvg_pixel m_fwdLUT[1024];
int32_t m_chromaAdjHelpLUT[PIC_CODE_CW_BINS];
uint16_t m_binCW[PIC_ANALYZE_CW_BINS];
uint16_t m_initCW;
bool m_reshape;
uvg_pixel m_reshapePivot[PIC_CODE_CW_BINS + 1];
uvg_pixel m_inputPivot[PIC_CODE_CW_BINS + 1];
int32_t m_fwdScaleCoef[PIC_CODE_CW_BINS];
int32_t m_invScaleCoef[PIC_CODE_CW_BINS];
int m_lumaBD;
int m_reshapeLUTSize;
int m_chromaScale;
int m_vpduX;
int m_vpduY;
bool m_exceedSTD;
uint32_t m_binImportance[PIC_ANALYZE_CW_BINS];
int m_tcase;
int m_rateAdpMode;
bool m_useAdpCW;
uint16_t m_initCWAnalyze;
ReshapeCW m_reshapeCW;
uvg_pixel m_cwLumaWeight[PIC_CODE_CW_BINS];
double m_chromaWeight;
int m_chromaAdj;
int m_binNum;
lmcs_seq_info m_srcSeqStats;
lmcs_seq_info m_rspSeqStats;
} lmcs_aps;
void uvg_free_lmcs_aps(lmcs_aps* aps);
void uvg_init_lmcs_seq_stats(lmcs_seq_info* stats, int32_t m_binNum);
void uvg_init_lmcs_aps(lmcs_aps* aps, int picWidth, int picHeight, uint32_t maxCUWidth, uint32_t maxCUHeight, int bitDepth);
void uvg_calc_seq_stats(struct encoder_state_t* const state, const videoframe_t* frame, lmcs_seq_info* stats, lmcs_aps* aps);
void uvg_lmcs_preanalyzer(struct encoder_state_t* const state, const videoframe_t* frame, lmcs_aps* aps, uint32_t signalType);
void uvg_construct_reshaper_lmcs(lmcs_aps* aps);
void uvg_encode_lmcs_adaptive_parameter_set(encoder_state_t* const state);
int uvg_calculate_lmcs_chroma_adj_vpdu_nei(encoder_state_t* const state, lmcs_aps* aps, int x, int y);