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/*
* Copyright © 2018-2021, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 OWNER 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
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DAV1D_SRC_LF_MASK_H
#define DAV1D_SRC_LF_MASK_H
#include <stddef.h>
#include <stdint.h>
#include "src/levels.h"
typedef struct Av1FilterLUT {
uint8_t e[64];
uint8_t i[64];
uint64_t sharp[2];
} Av1FilterLUT;
typedef struct Av1RestorationUnit {
/* SGR: type = DAV1D_RESTORATION_SGRPROJ + sgr_idx */
uint8_t /* enum Dav1dRestorationType */ type;
int8_t filter_h[3];
int8_t filter_v[3];
int8_t sgr_weights[2];
} Av1RestorationUnit;
// each struct describes one 128x128 area (1 or 4 SBs), pre-superres-scaling
typedef struct Av1Filter {
// each bit is 1 col
uint16_t filter_y[2 /* 0=col, 1=row */][32][3][2];
uint16_t filter_uv[2 /* 0=col, 1=row */][32][2][2];
int8_t cdef_idx[4]; // -1 means "unset"
uint16_t noskip_mask[16][2]; // for 8x8 blocks, but stored on a 4x8 basis
} Av1Filter;
// each struct describes one 128x128 area (1 or 4 SBs), post-superres-scaling
typedef struct Av1Restoration {
Av1RestorationUnit lr[3][4];
} Av1Restoration;
void dav1d_create_lf_mask_intra(Av1Filter *lflvl, uint8_t (*level_cache)[4],
const ptrdiff_t b4_stride,
const uint8_t (*level)[8][2], int bx, int by,
int iw, int ih, enum BlockSize bs,
enum RectTxfmSize ytx, enum RectTxfmSize uvtx,
enum Dav1dPixelLayout layout, uint8_t *ay,
uint8_t *ly, uint8_t *auv, uint8_t *luv);
void dav1d_create_lf_mask_inter(Av1Filter *lflvl, uint8_t (*level_cache)[4],
const ptrdiff_t b4_stride,
const uint8_t (*level)[8][2], int bx, int by,
int iw, int ih, int skip_inter,
enum BlockSize bs, enum RectTxfmSize max_ytx,
const uint16_t *tx_mask, enum RectTxfmSize uvtx,
enum Dav1dPixelLayout layout, uint8_t *ay,
uint8_t *ly, uint8_t *auv, uint8_t *luv);
void dav1d_calc_eih(Av1FilterLUT *lim_lut, int filter_sharpness);
void dav1d_calc_lf_values(uint8_t (*values)[4][8][2], const Dav1dFrameHeader *hdr,
const int8_t lf_delta[4]);
#endif /* DAV1D_SRC_LF_MASK_H */
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