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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* Copyright © 2018, VideoLAN and dav1d authors
* Copyright © 2018, Two Orioles, LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <stdlib.h>
#include "common/attributes.h"
#include "src/intra_edge.h"
#include "src/levels.h"
struct ModeSelMem {
EdgeBranch *nwc[3 /* 64x64, 32x32, 16x16 */];
EdgeTip *nt;
};
static void init_edges(EdgeNode *const node,
const enum BlockLevel bl,
const enum EdgeFlags edge_flags)
{
node->o = edge_flags;
#define ALL_FL(t) (EDGE_I444_##t | EDGE_I422_##t | EDGE_I420_##t)
if (bl == BL_8X8) {
EdgeTip *const nt = (EdgeTip *) node;
node->h[0] = edge_flags | ALL_FL(LEFT_HAS_BOTTOM);
node->h[1] = edge_flags & (ALL_FL(LEFT_HAS_BOTTOM) |
EDGE_I420_TOP_HAS_RIGHT);
node->v[0] = edge_flags | ALL_FL(TOP_HAS_RIGHT);
node->v[1] = edge_flags & (ALL_FL(TOP_HAS_RIGHT) |
EDGE_I420_LEFT_HAS_BOTTOM |
EDGE_I422_LEFT_HAS_BOTTOM);
nt->split[0] = ALL_FL(TOP_HAS_RIGHT) | ALL_FL(LEFT_HAS_BOTTOM);
nt->split[1] = (edge_flags & ALL_FL(TOP_HAS_RIGHT)) |
EDGE_I422_LEFT_HAS_BOTTOM;
nt->split[2] = edge_flags | EDGE_I444_TOP_HAS_RIGHT;
nt->split[3] = edge_flags & (EDGE_I420_TOP_HAS_RIGHT |
EDGE_I420_LEFT_HAS_BOTTOM |
EDGE_I422_LEFT_HAS_BOTTOM);
} else {
EdgeBranch *const nwc = (EdgeBranch *) node;
node->h[0] = edge_flags | ALL_FL(LEFT_HAS_BOTTOM);
node->h[1] = edge_flags & ALL_FL(LEFT_HAS_BOTTOM);
node->v[0] = edge_flags | ALL_FL(TOP_HAS_RIGHT);
node->v[1] = edge_flags & ALL_FL(TOP_HAS_RIGHT);
nwc->h4[0] = edge_flags | ALL_FL(LEFT_HAS_BOTTOM);
nwc->h4[1] =
nwc->h4[2] = ALL_FL(LEFT_HAS_BOTTOM);
nwc->h4[3] = edge_flags & ALL_FL(LEFT_HAS_BOTTOM);
if (bl == BL_16X16)
nwc->h4[1] |= edge_flags & EDGE_I420_TOP_HAS_RIGHT;
nwc->v4[0] = edge_flags | ALL_FL(TOP_HAS_RIGHT);
nwc->v4[1] =
nwc->v4[2] = ALL_FL(TOP_HAS_RIGHT);
nwc->v4[3] = edge_flags & ALL_FL(TOP_HAS_RIGHT);
if (bl == BL_16X16)
nwc->v4[1] |= edge_flags & (EDGE_I420_LEFT_HAS_BOTTOM |
EDGE_I422_LEFT_HAS_BOTTOM);
nwc->tls[0] = ALL_FL(TOP_HAS_RIGHT) | ALL_FL(LEFT_HAS_BOTTOM);
nwc->tls[1] = edge_flags & ALL_FL(LEFT_HAS_BOTTOM);
nwc->tls[2] = edge_flags & ALL_FL(TOP_HAS_RIGHT);
nwc->trs[0] = edge_flags | ALL_FL(TOP_HAS_RIGHT);
nwc->trs[1] = edge_flags | ALL_FL(LEFT_HAS_BOTTOM);
nwc->trs[2] = 0;
nwc->tts[0] = ALL_FL(TOP_HAS_RIGHT) | ALL_FL(LEFT_HAS_BOTTOM);
nwc->tts[1] = edge_flags & ALL_FL(TOP_HAS_RIGHT);
nwc->tts[2] = edge_flags & ALL_FL(LEFT_HAS_BOTTOM);
nwc->tbs[0] = edge_flags | ALL_FL(LEFT_HAS_BOTTOM);
nwc->tbs[1] = edge_flags | ALL_FL(TOP_HAS_RIGHT);
nwc->tbs[2] = 0;
}
}
static void init_mode_node(EdgeBranch *const nwc,
const enum BlockLevel bl,
struct ModeSelMem *const mem,
const int top_has_right,
const int left_has_bottom)
{
init_edges(&nwc->node, bl,
(top_has_right ? ALL_FL(TOP_HAS_RIGHT) : 0) |
(left_has_bottom ? ALL_FL(LEFT_HAS_BOTTOM) : 0));
if (bl == BL_16X16) {
for (int n = 0; n < 4; n++) {
EdgeTip *const nt = mem->nt++;
nwc->split[n] = &nt->node;
init_edges(&nt->node, bl + 1,
((n == 3 || (n == 1 && !top_has_right)) ? 0 :
ALL_FL(TOP_HAS_RIGHT)) |
(!(n == 0 || (n == 2 && left_has_bottom)) ? 0 :
ALL_FL(LEFT_HAS_BOTTOM)));
}
} else {
for (int n = 0; n < 4; n++) {
EdgeBranch *const nwc_child = mem->nwc[bl]++;
nwc->split[n] = &nwc_child->node;
init_mode_node(nwc_child, bl + 1, mem,
!(n == 3 || (n == 1 && !top_has_right)),
n == 0 || (n == 2 && left_has_bottom));
}
}
}
void dav1d_init_mode_tree(EdgeNode *const root_node, EdgeTip *const nt,
const int allow_sb128)
{
EdgeBranch *const root = (EdgeBranch *) root_node;
struct ModeSelMem mem;
mem.nt = nt;
if (allow_sb128) {
mem.nwc[BL_128X128] = &root[1];
mem.nwc[BL_64X64] = &root[1 + 4];
mem.nwc[BL_32X32] = &root[1 + 4 + 16];
init_mode_node(root, BL_128X128, &mem, 1, 0);
assert(mem.nwc[BL_128X128] == &root[1 + 4]);
assert(mem.nwc[BL_64X64] == &root[1 + 4 + 16]);
assert(mem.nwc[BL_32X32] == &root[1 + 4 + 16 + 64]);
assert(mem.nt == &nt[256]);
} else {
mem.nwc[BL_128X128] = NULL;
mem.nwc[BL_64X64] = &root[1];
mem.nwc[BL_32X32] = &root[1 + 4];
init_mode_node(root, BL_64X64, &mem, 1, 0);
assert(mem.nwc[BL_64X64] == &root[1 + 4]);
assert(mem.nwc[BL_32X32] == &root[1 + 4 + 16]);
assert(mem.nt == &nt[64]);
}
}
|
