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59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AV1_COMMON_CDEF_BLOCK_H_
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#define AOM_AV1_COMMON_CDEF_BLOCK_H_
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#include "av1/common/odintrin.h"
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#define CDEF_BLOCKSIZE 64
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#define CDEF_BLOCKSIZE_LOG2 6
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#define CDEF_NBLOCKS ((1 << MAX_SB_SIZE_LOG2) / 8)
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#define CDEF_SB_SHIFT (MAX_SB_SIZE_LOG2 - CDEF_BLOCKSIZE_LOG2)
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/* We need to buffer three vertical lines. */
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#define CDEF_VBORDER (3)
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/* We only need to buffer three horizontal pixels too, but let's align to
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16 bytes (8 x 16 bits) to make vectorization easier. */
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#define CDEF_HBORDER (8)
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#define CDEF_BSTRIDE \
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ALIGN_POWER_OF_TWO((1 << MAX_SB_SIZE_LOG2) + 2 * CDEF_HBORDER, 3)
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#define CDEF_VERY_LARGE (30000)
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#define CDEF_INBUF_SIZE \
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(CDEF_BSTRIDE * ((1 << MAX_SB_SIZE_LOG2) + 2 * CDEF_VBORDER))
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extern const int cdef_pri_taps[2][2];
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extern const int cdef_sec_taps[2][2];
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DECLARE_ALIGNED(16, extern const int, cdef_directions[8][2]);
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typedef struct {
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uint8_t by;
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uint8_t bx;
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uint8_t skip;
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} cdef_list;
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typedef void (*cdef_filter_block_func)(uint8_t *dst8, uint16_t *dst16,
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int dstride, const uint16_t *in,
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int pri_strength, int sec_strength,
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int dir, int pri_damping,
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int sec_damping, int bsize, int max,
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int coeff_shift);
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void copy_cdef_16bit_to_16bit(uint16_t *dst, int dstride, uint16_t *src,
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cdef_list *dlist, int cdef_count, int bsize);
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void cdef_filter_fb(uint8_t *dst8, uint16_t *dst16, int dstride, uint16_t *in,
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int xdec, int ydec, int dir[CDEF_NBLOCKS][CDEF_NBLOCKS],
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int *dirinit, int var[CDEF_NBLOCKS][CDEF_NBLOCKS], int pli,
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cdef_list *dlist, int cdef_count, int level,
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int sec_strength, int pri_damping, int sec_damping,
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int coeff_shift);
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#endif // AOM_AV1_COMMON_CDEF_BLOCK_H_
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