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/*
* HEVC video decoder
*
* Copyright (C) 2012 - 2013 Guillaume Martres
* Copyright (C) 2013 - 2014 Pierre-Edouard Lepere
*
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_HEVC_DSP_H
#define AVCODEC_HEVC_DSP_H
#include "libavutil/mem_internal.h"
#include "libavcodec/get_bits.h"
#define MAX_PB_SIZE 64
typedef struct SAOParams {
int offset_abs[3][4]; ///< sao_offset_abs
int offset_sign[3][4]; ///< sao_offset_sign
uint8_t band_position[3]; ///< sao_band_position
int eo_class[3]; ///< sao_eo_class
int16_t offset_val[3][5]; ///<SaoOffsetVal
uint8_t type_idx[3]; ///< sao_type_idx
} SAOParams;
typedef struct HEVCDSPContext {
void (*put_pcm)(uint8_t *_dst, ptrdiff_t _stride, int width, int height,
struct GetBitContext *gb, int pcm_bit_depth);
void (*add_residual[4])(uint8_t *dst, const int16_t *res, ptrdiff_t stride);
void (*dequant)(int16_t *coeffs /* align 32 */, int16_t log2_size);
void (*transform_rdpcm)(int16_t *coeffs, int16_t log2_size, int mode);
void (*transform_4x4_luma)(int16_t *coeffs);
void (*idct[4])(int16_t *coeffs, int col_limit);
void (*idct_dc[4])(int16_t *coeffs);
void (*sao_band_filter[5])(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
const int16_t *sao_offset_val, int sao_left_class, int width, int height);
/* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE */
void (*sao_edge_filter[5])(uint8_t *_dst /* align 16 */, const uint8_t *_src /* align 32 */, ptrdiff_t stride_dst,
const int16_t *sao_offset_val, int sao_eo_class, int width, int height);
void (*sao_edge_restore[2])(uint8_t *_dst, const uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
const struct SAOParams *sao, const int *borders, int _width, int _height, int c_idx,
const uint8_t *vert_edge, const uint8_t *horiz_edge, const uint8_t *diag_edge);
void (*put_hevc_qpel[10][2][2])(int16_t *dst, const uint8_t *src, ptrdiff_t srcstride,
int height, intptr_t mx, intptr_t my, int width);
void (*put_hevc_qpel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, const uint8_t *src, ptrdiff_t srcstride,
int height, intptr_t mx, intptr_t my, int width);
void (*put_hevc_qpel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride,
int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
void (*put_hevc_qpel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride,
const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2,
int height, intptr_t mx, intptr_t my, int width);
void (*put_hevc_qpel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride,
const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2,
int height, int denom, int wx0, int wx1,
int ox0, int ox1, intptr_t mx, intptr_t my, int width);
void (*put_hevc_epel[10][2][2])(int16_t *dst, const uint8_t *src, ptrdiff_t srcstride,
int height, intptr_t mx, intptr_t my, int width);
void (*put_hevc_epel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, const uint8_t *_src, ptrdiff_t _srcstride,
int height, intptr_t mx, intptr_t my, int width);
void (*put_hevc_epel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, const uint8_t *_src, ptrdiff_t _srcstride,
int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
void (*put_hevc_epel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, const uint8_t *_src, ptrdiff_t _srcstride,
const int16_t *src2,
int height, intptr_t mx, intptr_t my, int width);
void (*put_hevc_epel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride,
const uint8_t *_src, ptrdiff_t _srcstride, const int16_t *src2,
int height, int denom, int wx0, int ox0, int wx1,
int ox1, intptr_t mx, intptr_t my, int width);
void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
int beta, const int32_t *tc,
const uint8_t *no_p, const uint8_t *no_q);
void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
int beta, const int32_t *tc,
const uint8_t *no_p, const uint8_t *no_q);
void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
const int32_t *tc, const uint8_t *no_p, const uint8_t *no_q);
void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
const int32_t *tc, const uint8_t *no_p, const uint8_t *no_q);
void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
int beta, const int32_t *tc,
const uint8_t *no_p, const uint8_t *no_q);
void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
int beta, const int32_t *tc,
const uint8_t *no_p, const uint8_t *no_q);
void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
const int32_t *tc, const uint8_t *no_p,
const uint8_t *no_q);
void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
const int32_t *tc, const uint8_t *no_p,
const uint8_t *no_q);
} HEVCDSPContext;
void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
/** ff_hevc_.pel_filters[0] are dummies to simplify array addressing */
extern const int8_t ff_hevc_epel_filters[8][4];
extern const int8_t ff_hevc_qpel_filters[4][16];
void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_arm(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_ppc(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_riscv(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_wasm(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_mips(HEVCDSPContext *c, const int bit_depth);
void ff_hevc_dsp_init_loongarch(HEVCDSPContext *c, const int bit_depth);
#endif /* AVCODEC_HEVC_DSP_H */
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