1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* 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 VP8_COMMON_LOOPFILTER_H_
#define VP8_COMMON_LOOPFILTER_H_
#include "vpx_ports/mem.h"
#include "vpx_config.h"
#include "vp8_rtcd.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_LOOP_FILTER 63
/* fraction of total macroblock rows to be used in fast filter level picking */
/* has to be > 2 */
#define PARTIAL_FRAME_FRACTION 8
typedef enum
{
NORMAL_LOOPFILTER = 0,
SIMPLE_LOOPFILTER = 1
} LOOPFILTERTYPE;
#if ARCH_ARM
#define SIMD_WIDTH 1
#else
#define SIMD_WIDTH 16
#endif
/* 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, unsigned char, mblim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, blim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, lim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]);
DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, hev_thr[4][SIMD_WIDTH]);
unsigned char lvl[4][4][4];
unsigned char hev_thr_lut[2][MAX_LOOP_FILTER + 1];
unsigned char mode_lf_lut[10];
} loop_filter_info_n;
typedef struct loop_filter_info
{
const unsigned char * mblim;
const unsigned char * blim;
const unsigned char * lim;
const unsigned char * hev_thr;
} loop_filter_info;
typedef void loop_filter_uvfunction
(
unsigned char *u, /* source pointer */
int p, /* pitch */
const unsigned char *blimit,
const unsigned char *limit,
const unsigned char *thresh,
unsigned char *v
);
/* assorted loopfilter functions which get used elsewhere */
struct VP8Common;
struct macroblockd;
struct modeinfo;
void vp8_loop_filter_init(struct VP8Common *cm);
void vp8_loop_filter_frame_init(struct VP8Common *cm,
struct macroblockd *mbd,
int default_filt_lvl);
void vp8_loop_filter_frame(struct VP8Common *cm, struct macroblockd *mbd,
int frame_type);
void vp8_loop_filter_partial_frame(struct VP8Common *cm,
struct macroblockd *mbd,
int default_filt_lvl);
void vp8_loop_filter_frame_yonly(struct VP8Common *cm,
struct macroblockd *mbd,
int default_filt_lvl);
void vp8_loop_filter_update_sharpness(loop_filter_info_n *lfi,
int sharpness_lvl);
void vp8_loop_filter_row_normal(struct VP8Common *cm,
struct modeinfo *mode_info_context,
int mb_row, int post_ystride, int post_uvstride,
unsigned char *y_ptr, unsigned char *u_ptr,
unsigned char *v_ptr);
void vp8_loop_filter_row_simple(struct VP8Common *cm,
struct modeinfo *mode_info_context,
int mb_row, int post_ystride, int post_uvstride,
unsigned char *y_ptr, unsigned char *u_ptr,
unsigned char *v_ptr);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP8_COMMON_LOOPFILTER_H_
|
