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/*
* 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 AV1_COMMON_DERING_H_
#define AV1_COMMON_DERING_H_
#define CDEF_STRENGTH_BITS 7
#define DERING_STRENGTHS 32
#define CLPF_STRENGTHS 4
#include "./aom_config.h"
#include "aom/aom_integer.h"
#include "aom_ports/mem.h"
#include "av1/common/od_dering.h"
#include "av1/common/onyxc_int.h"
#include "./od_dering.h"
static INLINE int sign(int i) { return i < 0 ? -1 : 1; }
static INLINE int constrain(int diff, int threshold, unsigned int damping) {
return threshold
? sign(diff) *
AOMMIN(
abs(diff),
AOMMAX(0, threshold - (abs(diff) >>
(damping - get_msb(threshold)))))
: 0;
}
#ifdef __cplusplus
extern "C" {
#endif
int sb_all_skip(const AV1_COMMON *const cm, int mi_row, int mi_col);
int sb_compute_dering_list(const AV1_COMMON *const cm, int mi_row, int mi_col,
dering_list *dlist, int filter_skip);
void av1_cdef_frame(YV12_BUFFER_CONFIG *frame, AV1_COMMON *cm, MACROBLOCKD *xd);
void av1_cdef_search(YV12_BUFFER_CONFIG *frame, const YV12_BUFFER_CONFIG *ref,
AV1_COMMON *cm, MACROBLOCKD *xd);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AV1_COMMON_DERING_H_
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