ref: b7750812838eb84b55b8bcf25b9398cc41cdc0eb
dir: /vp9/common/vp9_loopfilter.h/
/*
* Copyright (c) 2010 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 VP9_COMMON_VP9_LOOPFILTER_H_
#define VP9_COMMON_VP9_LOOPFILTER_H_
#include "vpx_ports/mem.h"
#include "vpx_config.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_seg_common.h"
#define MAX_LOOP_FILTER 63
#define MAX_SHARPNESS 7
#define SIMD_WIDTH 16
// Need to align this structure so when it is declared and
// passed it can be loaded into vector registers.
typedef struct {
DECLARE_ALIGNED(SIMD_WIDTH, uint8_t,
mblim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
DECLARE_ALIGNED(SIMD_WIDTH, uint8_t,
lim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
DECLARE_ALIGNED(SIMD_WIDTH, uint8_t,
hev_thr[4][SIMD_WIDTH]);
uint8_t lvl[MAX_MB_SEGMENTS][MAX_REF_FRAMES][MAX_MODE_LF_DELTAS];
uint8_t mode_lf_lut[MB_MODE_COUNT];
} loop_filter_info_n;
struct loop_filter_info {
const uint8_t *mblim;
const uint8_t *lim;
const uint8_t *hev_thr;
};
/* assorted loopfilter functions which get used elsewhere */
struct VP9Common;
struct macroblockd;
void vp9_loop_filter_init(struct VP9Common *cm);
void vp9_loop_filter_frame(struct VP9Common *cm,
struct macroblockd *mbd,
int filter_level,
int y_only);
#endif // VP9_COMMON_VP9_LOOPFILTER_H_