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