| /* |
| * 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. |
| */ |
| |
| #ifndef AOM_AV1_COMMON_CDEF_BLOCK_H_ |
| #define AOM_AV1_COMMON_CDEF_BLOCK_H_ |
| |
| #include "aom_dsp/odintrin.h" |
| |
| #define CDEF_BLOCKSIZE 64 |
| #define CDEF_BLOCKSIZE_LOG2 6 |
| #define CDEF_NBLOCKS ((1 << MAX_SB_SIZE_LOG2) / 8) |
| #define CDEF_SB_SHIFT (MAX_SB_SIZE_LOG2 - CDEF_BLOCKSIZE_LOG2) |
| |
| /* We need to buffer two vertical lines. */ |
| #define CDEF_VBORDER (2) |
| /* We only need to buffer three horizontal pixels too, but let's align to |
| 16 bytes (8 x 16 bits) to make vectorization easier. */ |
| #define CDEF_HBORDER (8) |
| #define CDEF_BSTRIDE \ |
| ALIGN_POWER_OF_TWO((1 << MAX_SB_SIZE_LOG2) + 2 * CDEF_HBORDER, 3) |
| |
| #define CDEF_VERY_LARGE (0x4000) |
| #define CDEF_INBUF_SIZE \ |
| (CDEF_BSTRIDE * ((1 << MAX_SB_SIZE_LOG2) + 2 * CDEF_VBORDER)) |
| |
| extern const int cdef_pri_taps[2][2]; |
| extern const int cdef_sec_taps[2]; |
| extern const int (*const cdef_directions)[2]; |
| |
| typedef struct { |
| uint8_t by; |
| uint8_t bx; |
| } cdef_list; |
| |
| typedef void (*cdef_filter_block_func)(void *dest, int dstride, |
| const uint16_t *in, int pri_strength, |
| int sec_strength, int dir, |
| int pri_damping, int sec_damping, |
| int coeff_shift, int block_width, |
| int block_height); |
| |
| void copy_cdef_16bit_to_16bit(uint16_t *dst, int dstride, uint16_t *src, |
| cdef_list *dlist, int cdef_count, int bsize); |
| |
| void av1_cdef_filter_fb(uint8_t *dst8, uint16_t *dst16, int dstride, |
| uint16_t *in, int xdec, int ydec, |
| int dir[CDEF_NBLOCKS][CDEF_NBLOCKS], int *dirinit, |
| int var[CDEF_NBLOCKS][CDEF_NBLOCKS], int pli, |
| cdef_list *dlist, int cdef_count, int level, |
| int sec_strength, int damping, int coeff_shift); |
| #endif // AOM_AV1_COMMON_CDEF_BLOCK_H_ |