aom/av1/common/od_dering.h

67 строки
2.6 KiB
C

/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#if !defined(_dering_H)
#define _dering_H (1)
// clang-format off
#include "odintrin.h"
#define OD_DERINGSIZES (2)
#define OD_DERING_SIZE_LOG2 (3)
#define OD_DERING_NBLOCKS (OD_BSIZE_MAX / 8)
/* We need to buffer three vertical lines. */
#define OD_FILT_VBORDER (3)
/* We only need to buffer three horizontal lines too, but let's make it four
to make vectorization easier. */
#define OD_FILT_HBORDER (4)
#define OD_FILT_BSTRIDE (OD_BSIZE_MAX + 2 * OD_FILT_HBORDER)
#define OD_DERING_VERY_LARGE (30000)
#define OD_DERING_INBUF_SIZE \
(OD_FILT_BSTRIDE * (OD_BSIZE_MAX + 2 * OD_FILT_VBORDER))
extern const int OD_DIRECTION_OFFSETS_TABLE[8][3];
typedef struct {
unsigned char by;
unsigned char bx;
} dering_list;
typedef int (*od_filter_dering_direction_func)(int16_t *y, int ystride,
const int16_t *in, int threshold,
int dir);
typedef void (*od_filter_dering_orthogonal_func)(int16_t *y, int ystride,
const int16_t *in,
int threshold, int dir);
void copy_dering_16bit_to_16bit(int16_t *dst, int dstride, int16_t *src,
dering_list *dlist, int dering_count, int bsize);
void od_dering(int16_t *y, int16_t *in, int xdec,
int dir[OD_DERING_NBLOCKS][OD_DERING_NBLOCKS], int pli,
dering_list *dlist, int skip_stride, int threshold,
int coeff_shift);
int od_filter_dering_direction_4x4_c(int16_t *y, int ystride, const int16_t *in,
int threshold, int dir);
int od_filter_dering_direction_8x8_c(int16_t *y, int ystride, const int16_t *in,
int threshold, int dir);
void od_filter_dering_orthogonal_4x4_c(int16_t *y, int ystride,
const int16_t *in, int threshold,
int dir);
void od_filter_dering_orthogonal_8x8_c(int16_t *y, int ystride,
const int16_t *in, int threshold,
int dir);
#endif