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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* VP9 compatible video decoder
*
* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
* Copyright (C) 2013 Clément Bœsch <u pkh me>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VP9DSP_H
#define AVCODEC_VP9DSP_H
#include <stddef.h>
#include <stdint.h>
#include "vp9.h"
typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
const uint8_t *ref, ptrdiff_t ref_stride,
int h, int mx, int my);
typedef void (*vp9_scaled_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
const uint8_t *ref, ptrdiff_t ref_stride,
int h, int mx, int my, int dx, int dy);
typedef struct VP9DSPContext {
/*
* dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32
* dimension 2: intra prediction modes
*
* dst/left/top is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
* stride is aligned by 16 pixels
* top[-1] is top/left; top[4,7] is top-right for 4x4
*/
// FIXME(rbultje) maybe replace left/top pointers with HAVE_TOP/
// HAVE_LEFT/HAVE_TOPRIGHT flags instead, and then handle it in-place?
// also needs to fit in with what h264/vp8/etc do
void (*intra_pred[N_TXFM_SIZES][N_INTRA_PRED_MODES])(uint8_t *dst,
ptrdiff_t stride,
const uint8_t *left,
const uint8_t *top);
/*
* dimension 1: 0=4x4, 1=8x8, 2=16x16, 3=32x32, 4=lossless (3-4=dct only)
* dimension 2: 0=dct/dct, 1=dct/adst, 2=adst/dct, 3=adst/adst
*
* dst is aligned by transform-size (i.e. 4, 8, 16 or 32 pixels)
* stride is aligned by 16 pixels
* block is 16-byte aligned
* eob indicates the position (+1) of the last non-zero coefficient,
* in scan-order. This can be used to write faster versions, e.g. a
* dc-only 4x4/8x8/16x16/32x32, or a 4x4-only (eob<10) 8x8/16x16/32x32,
* etc.
*/
// FIXME also write idct_add_block() versions for whole (inter) pred
// blocks, so we can do 2 4x4s at once
void (*itxfm_add[N_TXFM_SIZES + 1][N_TXFM_TYPES])(uint8_t *dst,
ptrdiff_t stride,
int16_t *block, int eob);
/*
* dimension 1: width of filter (0=4, 1=8, 2=16)
* dimension 2: 0=col-edge filter (h), 1=row-edge filter (v)
*
* dst/stride are aligned by 8
*/
void (*loop_filter_8[3][2])(uint8_t *dst, ptrdiff_t stride,
int mb_lim, int lim, int hev_thr);
/*
* dimension 1: 0=col-edge filter (h), 1=row-edge filter (v)
*
* The width of filter is assumed to be 16; dst/stride are aligned by 16
*/
void (*loop_filter_16[2])(uint8_t *dst, ptrdiff_t stride,
int mb_lim, int lim, int hev_thr);
/*
* dimension 1/2: width of filter (0=4, 1=8) for each filter half
* dimension 3: 0=col-edge filter (h), 1=row-edge filter (v)
*
* dst/stride are aligned by operation size
* this basically calls loop_filter[d1][d3][0](), followed by
* loop_filter[d2][d3][0]() on the next 8 pixels
* mb_lim/lim/hev_thr contain two values in the lowest two bytes of the
* integer.
*/
// FIXME perhaps a mix4 that operates on 32px (for AVX2)
void (*loop_filter_mix2[2][2][2])(uint8_t *dst, ptrdiff_t stride,
int mb_lim, int lim, int hev_thr);
/*
* dimension 1: hsize (0: 64, 1: 32, 2: 16, 3: 8, 4: 4)
* dimension 2: filter type (0: smooth, 1: regular, 2: sharp, 3: bilin)
* dimension 3: averaging type (0: put, 1: avg)
* dimension 4: x subpel interpolation (0: none, 1: 8tap/bilin)
* dimension 5: y subpel interpolation (0: none, 1: 8tap/bilin)
*
* dst/stride are aligned by hsize
*/
vp9_mc_func mc[5][4][2][2][2];
/*
* for scalable MC, first 3 dimensions identical to above, the other two
* don't exist since it changes per stepsize.
*/
vp9_scaled_mc_func smc[5][4][2];
} VP9DSPContext;
void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact);
void ff_vp9dsp_init_8(VP9DSPContext *dsp);
void ff_vp9dsp_init_10(VP9DSPContext *dsp);
void ff_vp9dsp_init_12(VP9DSPContext *dsp);
void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact);
void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp);
#endif /* AVCODEC_VP9DSP_H */
|
