65 lines
2.5 KiB
C
65 lines
2.5 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 "aom_dsp/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 two vertical lines. */
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#define CDEF_VBORDER (2)
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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 (0x4000)
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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];
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extern const int (*const cdef_directions)[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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} cdef_list;
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typedef void (*cdef_filter_block_func)(void *dest, int dstride,
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const uint16_t *in, int pri_strength,
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int sec_strength, int dir,
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int pri_damping, int sec_damping,
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int coeff_shift, int block_width,
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int block_height);
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void av1_cdef_filter_fb(uint8_t *dst8, uint16_t *dst16, int dstride,
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const uint16_t *in, int xdec, int ydec,
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int dir[CDEF_NBLOCKS][CDEF_NBLOCKS], int *dirinit,
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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 damping, int coeff_shift);
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static INLINE void fill_rect(uint16_t *dst, int dstride, int v, int h,
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uint16_t x) {
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for (int i = 0; i < v; i++) {
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for (int j = 0; j < h; j++) {
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dst[i * dstride + j] = x;
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}
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}
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}
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#endif // AOM_AV1_COMMON_CDEF_BLOCK_H_
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