aom/vp10/common/restoration.h

91 строка
2.9 KiB
C

/*
* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP10_COMMON_RESTORATION_H_
#define VP10_COMMON_RESTORATION_H_
#include "vpx_ports/mem.h"
#include "./vpx_config.h"
#include "vp10/common/blockd.h"
#ifdef __cplusplus
extern "C" {
#endif
#define RESTORATION_LEVEL_BITS_KF 4
#define RESTORATION_LEVELS_KF (1 << RESTORATION_LEVEL_BITS_KF)
#define RESTORATION_LEVEL_BITS 3
#define RESTORATION_LEVELS (1 << RESTORATION_LEVEL_BITS)
#define DEF_RESTORATION_LEVEL 2
#define RESTORATION_HALFWIN 3
#define RESTORATION_HALFWIN1 (RESTORATION_HALFWIN + 1)
#define RESTORATION_WIN (2 * RESTORATION_HALFWIN + 1)
#define RESTORATION_WIN2 ((RESTORATION_WIN) * (RESTORATION_WIN))
#define RESTORATION_FILT_BITS 7
#define RESTORATION_FILT_STEP (1 << RESTORATION_FILT_BITS)
#define WIENER_FILT_TAP0_MINV 3
#define WIENER_FILT_TAP1_MINV (-23)
#define WIENER_FILT_TAP2_MINV 5
#define WIENER_FILT_TAP0_BITS 2
#define WIENER_FILT_TAP1_BITS 4
#define WIENER_FILT_TAP2_BITS 5
#define WIENER_FILT_BITS \
((WIENER_FILT_TAP0_BITS + WIENER_FILT_TAP1_BITS + WIENER_FILT_TAP2_BITS) * 2)
#define WIENER_FILT_TAP0_MAXV \
(WIENER_FILT_TAP0_MINV -1 + (1 << WIENER_FILT_TAP0_BITS))
#define WIENER_FILT_TAP1_MAXV \
(WIENER_FILT_TAP1_MINV -1 + (1 << WIENER_FILT_TAP1_BITS))
#define WIENER_FILT_TAP2_MAXV \
(WIENER_FILT_TAP2_MINV -1 + (1 << WIENER_FILT_TAP2_BITS))
typedef enum {
RESTORE_NONE,
RESTORE_BILATERAL,
RESTORE_WIENER,
} RestorationType;
typedef struct {
RestorationType restoration_type;
int restoration_level;
int vfilter[RESTORATION_HALFWIN], hfilter[RESTORATION_HALFWIN];
} RestorationInfo;
typedef struct {
RestorationType restoration_type;
uint8_t *wx_lut[RESTORATION_WIN];
uint8_t *wr_lut;
int vfilter[RESTORATION_WIN], hfilter[RESTORATION_WIN];
} RestorationInternal;
int vp10_restoration_level_bits(const struct VP10Common *const cm);
void vp10_loop_restoration_init(RestorationInternal *rst,
RestorationInfo *rsi, int kf);
void vp10_loop_restoration_frame(YV12_BUFFER_CONFIG *frame,
struct VP10Common *cm,
RestorationInfo *rsi,
int y_only, int partial_frame);
void vp10_loop_restoration_rows(YV12_BUFFER_CONFIG *frame,
struct VP10Common *cm,
int start_mi_row, int end_mi_row,
int y_only);
void vp10_loop_restoration_precal();
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_COMMON_RESTORATION_H_