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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/av1/common/cdef_block.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/cdef_block.h b/third_party/aom/av1/common/cdef_block.h new file mode 100644 index 0000000000..b5e4f124ae --- /dev/null +++ b/third_party/aom/av1/common/cdef_block.h @@ -0,0 +1,65 @@ +/* + * 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 av1_cdef_filter_fb(uint8_t *dst8, uint16_t *dst16, int dstride, + const 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); + +static INLINE void fill_rect(uint16_t *dst, int dstride, int v, int h, + uint16_t x) { + for (int i = 0; i < v; i++) { + for (int j = 0; j < h; j++) { + dst[i * dstride + j] = x; + } + } +} +#endif // AOM_AV1_COMMON_CDEF_BLOCK_H_ |