1 /*
2 * Copyright (c) 2020, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #include "aom/aomcx.h"
13
14 #include "av1/encoder/bitstream.h"
15 #include "av1/encoder/encodeframe.h"
16 #include "av1/encoder/encoder.h"
17 #include "av1/encoder/encoder_alloc.h"
18 #include "av1/encoder/encodetxb.h"
19 #include "av1/encoder/encoder_utils.h"
20 #include "av1/encoder/grain_test_vectors.h"
21 #include "av1/encoder/mv_prec.h"
22 #include "av1/encoder/rc_utils.h"
23 #include "av1/encoder/rdopt.h"
24 #include "av1/encoder/segmentation.h"
25 #include "av1/encoder/superres_scale.h"
26 #include "av1/encoder/tpl_model.h"
27 #include "av1/encoder/var_based_part.h"
28
29 #if CONFIG_TUNE_VMAF
30 #include "av1/encoder/tune_vmaf.h"
31 #endif
32
33 #define MIN_BOOST_COMBINE_FACTOR 4.0
34 #define MAX_BOOST_COMBINE_FACTOR 12.0
35
36 const int default_tx_type_probs[FRAME_UPDATE_TYPES][TX_SIZES_ALL][TX_TYPES] = {
37 { { 221, 189, 214, 292, 0, 0, 0, 0, 0, 2, 38, 68, 0, 0, 0, 0 },
38 { 262, 203, 216, 239, 0, 0, 0, 0, 0, 1, 37, 66, 0, 0, 0, 0 },
39 { 315, 231, 239, 226, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0 },
40 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
41 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
42 { 222, 188, 214, 287, 0, 0, 0, 0, 0, 2, 50, 61, 0, 0, 0, 0 },
43 { 256, 182, 205, 282, 0, 0, 0, 0, 0, 2, 21, 76, 0, 0, 0, 0 },
44 { 281, 214, 217, 222, 0, 0, 0, 0, 0, 1, 48, 41, 0, 0, 0, 0 },
45 { 263, 194, 225, 225, 0, 0, 0, 0, 0, 2, 15, 100, 0, 0, 0, 0 },
46 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
47 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
48 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
49 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
50 { 170, 192, 242, 293, 0, 0, 0, 0, 0, 1, 68, 58, 0, 0, 0, 0 },
51 { 199, 210, 213, 291, 0, 0, 0, 0, 0, 1, 14, 96, 0, 0, 0, 0 },
52 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
53 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
54 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
55 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
56 { { 106, 69, 107, 278, 9, 15, 20, 45, 49, 23, 23, 88, 36, 74, 25, 57 },
57 { 105, 72, 81, 98, 45, 49, 47, 50, 56, 72, 30, 81, 33, 95, 27, 83 },
58 { 211, 105, 109, 120, 57, 62, 43, 49, 52, 58, 42, 116, 0, 0, 0, 0 },
59 { 1008, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0 },
60 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
61 { 131, 57, 98, 172, 19, 40, 37, 64, 69, 22, 41, 52, 51, 77, 35, 59 },
62 { 176, 83, 93, 202, 22, 24, 28, 47, 50, 16, 12, 93, 26, 76, 17, 59 },
63 { 136, 72, 89, 95, 46, 59, 47, 56, 61, 68, 35, 51, 32, 82, 26, 69 },
64 { 122, 80, 87, 105, 49, 47, 46, 46, 57, 52, 13, 90, 19, 103, 15, 93 },
65 { 1009, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0 },
66 { 1011, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0 },
67 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
68 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
69 { 202, 20, 84, 114, 14, 60, 41, 79, 99, 21, 41, 15, 50, 84, 34, 66 },
70 { 196, 44, 23, 72, 30, 22, 28, 57, 67, 13, 4, 165, 15, 148, 9, 131 },
71 { 882, 0, 0, 0, 0, 0, 0, 0, 0, 142, 0, 0, 0, 0, 0, 0 },
72 { 840, 0, 0, 0, 0, 0, 0, 0, 0, 184, 0, 0, 0, 0, 0, 0 },
73 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
74 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
75 { { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
76 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
77 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
78 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
79 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
80 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
81 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
82 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
83 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
84 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
85 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
86 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
87 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
88 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
89 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
90 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
91 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
92 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
93 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 } },
94 { { 213, 110, 141, 269, 12, 16, 15, 19, 21, 11, 38, 68, 22, 29, 16, 24 },
95 { 216, 119, 128, 143, 38, 41, 26, 30, 31, 30, 42, 70, 23, 36, 19, 32 },
96 { 367, 149, 154, 154, 38, 35, 17, 21, 21, 10, 22, 36, 0, 0, 0, 0 },
97 { 1022, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
98 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
99 { 219, 96, 127, 191, 21, 40, 25, 32, 34, 18, 45, 45, 33, 39, 26, 33 },
100 { 296, 99, 122, 198, 23, 21, 19, 24, 25, 13, 20, 64, 23, 32, 18, 27 },
101 { 275, 128, 142, 143, 35, 48, 23, 30, 29, 18, 42, 36, 18, 23, 14, 20 },
102 { 239, 132, 166, 175, 36, 27, 19, 21, 24, 14, 13, 85, 9, 31, 8, 25 },
103 { 1022, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
104 { 1022, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
105 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
106 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
107 { 309, 25, 79, 59, 25, 80, 34, 53, 61, 25, 49, 23, 43, 64, 36, 59 },
108 { 270, 57, 40, 54, 50, 42, 41, 53, 56, 28, 17, 81, 45, 86, 34, 70 },
109 { 1005, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0 },
110 { 992, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0 },
111 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
112 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
113 { { 133, 63, 55, 83, 57, 87, 58, 72, 68, 16, 24, 35, 29, 105, 25, 114 },
114 { 131, 75, 74, 60, 71, 77, 65, 66, 73, 33, 21, 79, 20, 83, 18, 78 },
115 { 276, 95, 82, 58, 86, 93, 63, 60, 64, 17, 38, 92, 0, 0, 0, 0 },
116 { 1006, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0 },
117 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
118 { 147, 49, 75, 78, 50, 97, 60, 67, 76, 17, 42, 35, 31, 93, 27, 80 },
119 { 157, 49, 58, 75, 61, 52, 56, 67, 69, 12, 15, 79, 24, 119, 11, 120 },
120 { 178, 69, 83, 77, 69, 85, 72, 77, 77, 20, 35, 40, 25, 48, 23, 46 },
121 { 174, 55, 64, 57, 73, 68, 62, 61, 75, 15, 12, 90, 17, 99, 16, 86 },
122 { 1008, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0 },
123 { 1018, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0 },
124 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
125 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
126 { 266, 31, 63, 64, 21, 52, 39, 54, 63, 30, 52, 31, 48, 89, 46, 75 },
127 { 272, 26, 32, 44, 29, 31, 32, 53, 51, 13, 13, 88, 22, 153, 16, 149 },
128 { 923, 0, 0, 0, 0, 0, 0, 0, 0, 101, 0, 0, 0, 0, 0, 0 },
129 { 969, 0, 0, 0, 0, 0, 0, 0, 0, 55, 0, 0, 0, 0, 0, 0 },
130 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
131 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
132 { { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
133 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
134 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
135 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
136 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
137 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
138 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
139 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
140 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
141 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
142 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
143 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
144 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
145 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
146 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
147 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
148 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
149 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
150 { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 } },
151 { { 158, 92, 125, 298, 12, 15, 20, 29, 31, 12, 29, 67, 34, 44, 23, 35 },
152 { 147, 94, 103, 123, 45, 48, 38, 41, 46, 48, 37, 78, 33, 63, 27, 53 },
153 { 268, 126, 125, 136, 54, 53, 31, 38, 38, 33, 35, 87, 0, 0, 0, 0 },
154 { 1018, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0 },
155 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
156 { 159, 72, 103, 194, 20, 35, 37, 50, 56, 21, 39, 40, 51, 61, 38, 48 },
157 { 259, 86, 95, 188, 32, 20, 25, 34, 37, 13, 12, 85, 25, 53, 17, 43 },
158 { 189, 99, 113, 123, 45, 59, 37, 46, 48, 44, 39, 41, 31, 47, 26, 37 },
159 { 175, 110, 113, 128, 58, 38, 33, 33, 43, 29, 13, 100, 14, 68, 12, 57 },
160 { 1017, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0 },
161 { 1019, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0 },
162 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
163 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
164 { 208, 22, 84, 101, 21, 59, 44, 70, 90, 25, 59, 13, 64, 67, 49, 48 },
165 { 277, 52, 32, 63, 43, 26, 33, 48, 54, 11, 6, 130, 18, 119, 11, 101 },
166 { 963, 0, 0, 0, 0, 0, 0, 0, 0, 61, 0, 0, 0, 0, 0, 0 },
167 { 979, 0, 0, 0, 0, 0, 0, 0, 0, 45, 0, 0, 0, 0, 0, 0 },
168 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
169 { 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
170 };
171
172 const int default_obmc_probs[FRAME_UPDATE_TYPES][BLOCK_SIZES_ALL] = {
173 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
174 { 0, 0, 0, 106, 90, 90, 97, 67, 59, 70, 28,
175 30, 38, 16, 16, 16, 0, 0, 44, 50, 26, 25 },
176 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
177 { 0, 0, 0, 98, 93, 97, 68, 82, 85, 33, 30,
178 33, 16, 16, 16, 16, 0, 0, 43, 37, 26, 16 },
179 { 0, 0, 0, 91, 80, 76, 78, 55, 49, 24, 16,
180 16, 16, 16, 16, 16, 0, 0, 29, 45, 16, 38 },
181 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
182 { 0, 0, 0, 103, 89, 89, 89, 62, 63, 76, 34,
183 35, 32, 19, 16, 16, 0, 0, 49, 55, 29, 19 }
184 };
185
186 const int default_warped_probs[FRAME_UPDATE_TYPES] = { 64, 64, 64, 64,
187 64, 64, 64 };
188
189 // TODO(yunqing): the default probs can be trained later from better
190 // performance.
191 const int default_switchable_interp_probs[FRAME_UPDATE_TYPES]
192 [SWITCHABLE_FILTER_CONTEXTS]
193 [SWITCHABLE_FILTERS] = {
194 { { 512, 512, 512 },
195 { 512, 512, 512 },
196 { 512, 512, 512 },
197 { 512, 512, 512 },
198 { 512, 512, 512 },
199 { 512, 512, 512 },
200 { 512, 512, 512 },
201 { 512, 512, 512 },
202 { 512, 512, 512 },
203 { 512, 512, 512 },
204 { 512, 512, 512 },
205 { 512, 512, 512 },
206 { 512, 512, 512 },
207 { 512, 512, 512 },
208 { 512, 512, 512 },
209 { 512, 512, 512 } },
210 { { 512, 512, 512 },
211 { 512, 512, 512 },
212 { 512, 512, 512 },
213 { 512, 512, 512 },
214 { 512, 512, 512 },
215 { 512, 512, 512 },
216 { 512, 512, 512 },
217 { 512, 512, 512 },
218 { 512, 512, 512 },
219 { 512, 512, 512 },
220 { 512, 512, 512 },
221 { 512, 512, 512 },
222 { 512, 512, 512 },
223 { 512, 512, 512 },
224 { 512, 512, 512 },
225 { 512, 512, 512 } },
226 { { 512, 512, 512 },
227 { 512, 512, 512 },
228 { 512, 512, 512 },
229 { 512, 512, 512 },
230 { 512, 512, 512 },
231 { 512, 512, 512 },
232 { 512, 512, 512 },
233 { 512, 512, 512 },
234 { 512, 512, 512 },
235 { 512, 512, 512 },
236 { 512, 512, 512 },
237 { 512, 512, 512 },
238 { 512, 512, 512 },
239 { 512, 512, 512 },
240 { 512, 512, 512 },
241 { 512, 512, 512 } },
242 { { 512, 512, 512 },
243 { 512, 512, 512 },
244 { 512, 512, 512 },
245 { 512, 512, 512 },
246 { 512, 512, 512 },
247 { 512, 512, 512 },
248 { 512, 512, 512 },
249 { 512, 512, 512 },
250 { 512, 512, 512 },
251 { 512, 512, 512 },
252 { 512, 512, 512 },
253 { 512, 512, 512 },
254 { 512, 512, 512 },
255 { 512, 512, 512 },
256 { 512, 512, 512 },
257 { 512, 512, 512 } },
258 { { 512, 512, 512 },
259 { 512, 512, 512 },
260 { 512, 512, 512 },
261 { 512, 512, 512 },
262 { 512, 512, 512 },
263 { 512, 512, 512 },
264 { 512, 512, 512 },
265 { 512, 512, 512 },
266 { 512, 512, 512 },
267 { 512, 512, 512 },
268 { 512, 512, 512 },
269 { 512, 512, 512 },
270 { 512, 512, 512 },
271 { 512, 512, 512 },
272 { 512, 512, 512 },
273 { 512, 512, 512 } },
274 { { 512, 512, 512 },
275 { 512, 512, 512 },
276 { 512, 512, 512 },
277 { 512, 512, 512 },
278 { 512, 512, 512 },
279 { 512, 512, 512 },
280 { 512, 512, 512 },
281 { 512, 512, 512 },
282 { 512, 512, 512 },
283 { 512, 512, 512 },
284 { 512, 512, 512 },
285 { 512, 512, 512 },
286 { 512, 512, 512 },
287 { 512, 512, 512 },
288 { 512, 512, 512 },
289 { 512, 512, 512 } },
290 { { 512, 512, 512 },
291 { 512, 512, 512 },
292 { 512, 512, 512 },
293 { 512, 512, 512 },
294 { 512, 512, 512 },
295 { 512, 512, 512 },
296 { 512, 512, 512 },
297 { 512, 512, 512 },
298 { 512, 512, 512 },
299 { 512, 512, 512 },
300 { 512, 512, 512 },
301 { 512, 512, 512 },
302 { 512, 512, 512 },
303 { 512, 512, 512 },
304 { 512, 512, 512 },
305 { 512, 512, 512 } }
306 };
307
configure_static_seg_features(AV1_COMP * cpi)308 static void configure_static_seg_features(AV1_COMP *cpi) {
309 AV1_COMMON *const cm = &cpi->common;
310 const RATE_CONTROL *const rc = &cpi->rc;
311 struct segmentation *const seg = &cm->seg;
312
313 double avg_q;
314 #if CONFIG_FPMT_TEST
315 avg_q = ((cpi->ppi->gf_group.frame_parallel_level[cpi->gf_frame_index] > 0) &&
316 (cpi->ppi->fpmt_unit_test_cfg == PARALLEL_SIMULATION_ENCODE))
317 ? cpi->ppi->p_rc.temp_avg_q
318 : cpi->ppi->p_rc.avg_q;
319 #else
320 avg_q = cpi->ppi->p_rc.avg_q;
321 #endif
322
323 int high_q = (int)(avg_q > 48.0);
324 int qi_delta;
325
326 // Disable and clear down for KF
327 if (cm->current_frame.frame_type == KEY_FRAME) {
328 // Clear down the global segmentation map
329 memset(cpi->enc_seg.map, 0, cm->mi_params.mi_rows * cm->mi_params.mi_cols);
330 seg->update_map = 0;
331 seg->update_data = 0;
332
333 // Disable segmentation
334 av1_disable_segmentation(seg);
335
336 // Clear down the segment features.
337 av1_clearall_segfeatures(seg);
338 } else if (cpi->refresh_frame.alt_ref_frame) {
339 // If this is an alt ref frame
340 // Clear down the global segmentation map
341 memset(cpi->enc_seg.map, 0, cm->mi_params.mi_rows * cm->mi_params.mi_cols);
342 seg->update_map = 0;
343 seg->update_data = 0;
344
345 // Disable segmentation and individual segment features by default
346 av1_disable_segmentation(seg);
347 av1_clearall_segfeatures(seg);
348
349 // If segmentation was enabled set those features needed for the
350 // arf itself.
351 if (seg->enabled) {
352 seg->update_map = 1;
353 seg->update_data = 1;
354
355 qi_delta = av1_compute_qdelta(rc, avg_q, avg_q * 0.875,
356 cm->seq_params->bit_depth);
357 av1_set_segdata(seg, 1, SEG_LVL_ALT_Q, qi_delta - 2);
358 av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_Y_H, -2);
359 av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_Y_V, -2);
360 av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_U, -2);
361 av1_set_segdata(seg, 1, SEG_LVL_ALT_LF_V, -2);
362
363 av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_Y_H);
364 av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_Y_V);
365 av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_U);
366 av1_enable_segfeature(seg, 1, SEG_LVL_ALT_LF_V);
367
368 av1_enable_segfeature(seg, 1, SEG_LVL_ALT_Q);
369 }
370 } else if (seg->enabled) {
371 // All other frames if segmentation has been enabled
372
373 // First normal frame in a valid gf or alt ref group
374 if (rc->frames_since_golden == 0) {
375 // Set up segment features for normal frames in an arf group
376 // Disable segmentation and clear down features if alt ref
377 // is not active for this group
378
379 av1_disable_segmentation(seg);
380
381 memset(cpi->enc_seg.map, 0,
382 cm->mi_params.mi_rows * cm->mi_params.mi_cols);
383
384 seg->update_map = 0;
385 seg->update_data = 0;
386
387 av1_clearall_segfeatures(seg);
388 } else if (rc->is_src_frame_alt_ref) {
389 // Special case where we are coding over the top of a previous
390 // alt ref frame.
391 // Segment coding disabled for compred testing
392
393 // Enable ref frame features for segment 0 as well
394 av1_enable_segfeature(seg, 0, SEG_LVL_REF_FRAME);
395 av1_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME);
396
397 // All mbs should use ALTREF_FRAME
398 av1_clear_segdata(seg, 0, SEG_LVL_REF_FRAME);
399 av1_set_segdata(seg, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME);
400 av1_clear_segdata(seg, 1, SEG_LVL_REF_FRAME);
401 av1_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
402
403 // Skip all MBs if high Q (0,0 mv and skip coeffs)
404 if (high_q) {
405 av1_enable_segfeature(seg, 0, SEG_LVL_SKIP);
406 av1_enable_segfeature(seg, 1, SEG_LVL_SKIP);
407 }
408 // Enable data update
409 seg->update_data = 1;
410 } else {
411 // All other frames.
412
413 // No updates.. leave things as they are.
414 seg->update_map = 0;
415 seg->update_data = 0;
416 }
417 }
418 }
419
av1_apply_active_map(AV1_COMP * cpi)420 void av1_apply_active_map(AV1_COMP *cpi) {
421 struct segmentation *const seg = &cpi->common.seg;
422 unsigned char *const seg_map = cpi->enc_seg.map;
423 const unsigned char *const active_map = cpi->active_map.map;
424 int i;
425
426 assert(AM_SEGMENT_ID_ACTIVE == CR_SEGMENT_ID_BASE);
427
428 if (frame_is_intra_only(&cpi->common)) {
429 cpi->active_map.enabled = 0;
430 cpi->active_map.update = 1;
431 }
432
433 if (cpi->active_map.update) {
434 if (cpi->active_map.enabled) {
435 const int num_mis =
436 cpi->common.mi_params.mi_rows * cpi->common.mi_params.mi_cols;
437 for (i = 0; i < num_mis; ++i)
438 if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
439 av1_enable_segmentation(seg);
440 av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
441 av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H);
442 av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V);
443 av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U);
444 av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V);
445
446 av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H,
447 -MAX_LOOP_FILTER);
448 av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V,
449 -MAX_LOOP_FILTER);
450 av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U,
451 -MAX_LOOP_FILTER);
452 av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V,
453 -MAX_LOOP_FILTER);
454 } else {
455 av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
456 av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H);
457 av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V);
458 av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U);
459 av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V);
460 if (seg->enabled) {
461 seg->update_data = 1;
462 seg->update_map = 1;
463 }
464 }
465 cpi->active_map.update = 0;
466 }
467 }
468
469 #if !CONFIG_REALTIME_ONLY
process_tpl_stats_frame(AV1_COMP * cpi)470 static void process_tpl_stats_frame(AV1_COMP *cpi) {
471 const GF_GROUP *const gf_group = &cpi->ppi->gf_group;
472 AV1_COMMON *const cm = &cpi->common;
473
474 assert(IMPLIES(gf_group->size > 0, cpi->gf_frame_index < gf_group->size));
475
476 const int tpl_idx = cpi->gf_frame_index;
477 TplParams *const tpl_data = &cpi->ppi->tpl_data;
478 TplDepFrame *tpl_frame = &tpl_data->tpl_frame[tpl_idx];
479 TplDepStats *tpl_stats = tpl_frame->tpl_stats_ptr;
480
481 if (tpl_frame->is_valid) {
482 int tpl_stride = tpl_frame->stride;
483 double intra_cost_base = 0;
484 double mc_dep_cost_base = 0;
485 double cbcmp_base = 1;
486 const int step = 1 << tpl_data->tpl_stats_block_mis_log2;
487 const int row_step = step;
488 const int col_step_sr =
489 coded_to_superres_mi(step, cm->superres_scale_denominator);
490 const int mi_cols_sr = av1_pixels_to_mi(cm->superres_upscaled_width);
491
492 for (int row = 0; row < cm->mi_params.mi_rows; row += row_step) {
493 for (int col = 0; col < mi_cols_sr; col += col_step_sr) {
494 TplDepStats *this_stats = &tpl_stats[av1_tpl_ptr_pos(
495 row, col, tpl_stride, tpl_data->tpl_stats_block_mis_log2)];
496 double cbcmp = (double)(this_stats->srcrf_dist);
497 int64_t mc_dep_delta =
498 RDCOST(tpl_frame->base_rdmult, this_stats->mc_dep_rate,
499 this_stats->mc_dep_dist);
500 double dist_scaled = (double)(this_stats->recrf_dist << RDDIV_BITS);
501 intra_cost_base += log(dist_scaled) * cbcmp;
502 mc_dep_cost_base += log(dist_scaled + mc_dep_delta) * cbcmp;
503 cbcmp_base += cbcmp;
504 }
505 }
506
507 if (mc_dep_cost_base == 0) {
508 tpl_frame->is_valid = 0;
509 } else {
510 cpi->rd.r0 = exp((intra_cost_base - mc_dep_cost_base) / cbcmp_base);
511 if (is_frame_tpl_eligible(gf_group, cpi->gf_frame_index)) {
512 if (cpi->ppi->lap_enabled) {
513 double min_boost_factor = sqrt(cpi->ppi->p_rc.baseline_gf_interval);
514 const int gfu_boost = get_gfu_boost_from_r0_lap(
515 min_boost_factor, MAX_GFUBOOST_FACTOR, cpi->rd.r0,
516 cpi->ppi->p_rc.num_stats_required_for_gfu_boost);
517 // printf("old boost %d new boost %d\n", cpi->rc.gfu_boost,
518 // gfu_boost);
519 cpi->ppi->p_rc.gfu_boost = combine_prior_with_tpl_boost(
520 min_boost_factor, MAX_BOOST_COMBINE_FACTOR,
521 cpi->ppi->p_rc.gfu_boost, gfu_boost,
522 cpi->ppi->p_rc.num_stats_used_for_gfu_boost);
523 } else {
524 const int gfu_boost = (int)(200.0 / cpi->rd.r0);
525 cpi->ppi->p_rc.gfu_boost = combine_prior_with_tpl_boost(
526 MIN_BOOST_COMBINE_FACTOR, MAX_BOOST_COMBINE_FACTOR,
527 cpi->ppi->p_rc.gfu_boost, gfu_boost, cpi->rc.frames_to_key);
528 }
529 }
530 }
531 }
532 }
533 #endif // !CONFIG_REALTIME_ONLY
534
av1_set_size_dependent_vars(AV1_COMP * cpi,int * q,int * bottom_index,int * top_index)535 void av1_set_size_dependent_vars(AV1_COMP *cpi, int *q, int *bottom_index,
536 int *top_index) {
537 AV1_COMMON *const cm = &cpi->common;
538
539 // Setup variables that depend on the dimensions of the frame.
540 av1_set_speed_features_framesize_dependent(cpi, cpi->speed);
541
542 #if !CONFIG_REALTIME_ONLY
543 GF_GROUP *gf_group = &cpi->ppi->gf_group;
544 if (cpi->oxcf.algo_cfg.enable_tpl_model &&
545 av1_tpl_stats_ready(&cpi->ppi->tpl_data, cpi->gf_frame_index)) {
546 process_tpl_stats_frame(cpi);
547 av1_tpl_rdmult_setup(cpi);
548 }
549 #endif
550
551 // Decide q and q bounds.
552 *q = av1_rc_pick_q_and_bounds(cpi, cm->width, cm->height, cpi->gf_frame_index,
553 bottom_index, top_index);
554
555 #if !CONFIG_REALTIME_ONLY
556 if (cpi->oxcf.rc_cfg.mode == AOM_Q &&
557 cpi->ppi->tpl_data.tpl_frame[cpi->gf_frame_index].is_valid &&
558 !is_lossless_requested(&cpi->oxcf.rc_cfg)) {
559 const RateControlCfg *const rc_cfg = &cpi->oxcf.rc_cfg;
560 const int tpl_q = av1_tpl_get_q_index(
561 &cpi->ppi->tpl_data, cpi->gf_frame_index, cpi->rc.active_worst_quality,
562 cm->seq_params->bit_depth);
563 *q = clamp(tpl_q, rc_cfg->best_allowed_q, rc_cfg->worst_allowed_q);
564 *top_index = *bottom_index = *q;
565 if (gf_group->update_type[cpi->gf_frame_index] == ARF_UPDATE)
566 cpi->ppi->p_rc.arf_q = *q;
567 }
568
569 if (cpi->oxcf.q_cfg.use_fixed_qp_offsets && cpi->oxcf.rc_cfg.mode == AOM_Q) {
570 if (is_frame_tpl_eligible(gf_group, cpi->gf_frame_index)) {
571 const double qratio_grad =
572 cpi->ppi->p_rc.baseline_gf_interval > 20 ? 0.2 : 0.3;
573 const double qstep_ratio =
574 0.2 +
575 (1.0 - (double)cpi->rc.active_worst_quality / MAXQ) * qratio_grad;
576 *q = av1_get_q_index_from_qstep_ratio(
577 cpi->rc.active_worst_quality, qstep_ratio, cm->seq_params->bit_depth);
578 *top_index = *bottom_index = *q;
579 if (gf_group->update_type[cpi->gf_frame_index] == ARF_UPDATE ||
580 gf_group->update_type[cpi->gf_frame_index] == KF_UPDATE ||
581 gf_group->update_type[cpi->gf_frame_index] == GF_UPDATE)
582 cpi->ppi->p_rc.arf_q = *q;
583 } else if (gf_group->layer_depth[cpi->gf_frame_index] <
584 gf_group->max_layer_depth) {
585 int this_height = gf_group->layer_depth[cpi->gf_frame_index];
586 int arf_q = cpi->ppi->p_rc.arf_q;
587 while (this_height > 1) {
588 arf_q = (arf_q + cpi->oxcf.rc_cfg.cq_level + 1) / 2;
589 --this_height;
590 }
591 *top_index = *bottom_index = *q = arf_q;
592 }
593 }
594 #endif
595
596 // Configure experimental use of segmentation for enhanced coding of
597 // static regions if indicated.
598 // Only allowed in the second pass of a two pass encode, as it requires
599 // lagged coding, and if the relevant speed feature flag is set.
600 if (is_stat_consumption_stage_twopass(cpi) &&
601 cpi->sf.hl_sf.static_segmentation)
602 configure_static_seg_features(cpi);
603 }
604
reset_film_grain_chroma_params(aom_film_grain_t * pars)605 static void reset_film_grain_chroma_params(aom_film_grain_t *pars) {
606 pars->num_cr_points = 0;
607 pars->cr_mult = 0;
608 pars->cr_luma_mult = 0;
609 memset(pars->scaling_points_cr, 0, sizeof(pars->scaling_points_cr));
610 memset(pars->ar_coeffs_cr, 0, sizeof(pars->ar_coeffs_cr));
611 pars->num_cb_points = 0;
612 pars->cb_mult = 0;
613 pars->cb_luma_mult = 0;
614 pars->chroma_scaling_from_luma = 0;
615 memset(pars->scaling_points_cb, 0, sizeof(pars->scaling_points_cb));
616 memset(pars->ar_coeffs_cb, 0, sizeof(pars->ar_coeffs_cb));
617 }
618
av1_update_film_grain_parameters_seq(struct AV1_PRIMARY * ppi,const AV1EncoderConfig * oxcf)619 void av1_update_film_grain_parameters_seq(struct AV1_PRIMARY *ppi,
620 const AV1EncoderConfig *oxcf) {
621 SequenceHeader *const seq_params = &ppi->seq_params;
622 const TuneCfg *const tune_cfg = &oxcf->tune_cfg;
623
624 if (tune_cfg->film_grain_test_vector || tune_cfg->film_grain_table_filename ||
625 tune_cfg->content == AOM_CONTENT_FILM) {
626 seq_params->film_grain_params_present = 1;
627 } else {
628 #if CONFIG_DENOISE
629 seq_params->film_grain_params_present = (oxcf->noise_level > 0);
630 #else
631 seq_params->film_grain_params_present = 0;
632 #endif
633 }
634 }
635
av1_update_film_grain_parameters(struct AV1_COMP * cpi,const AV1EncoderConfig * oxcf)636 void av1_update_film_grain_parameters(struct AV1_COMP *cpi,
637 const AV1EncoderConfig *oxcf) {
638 AV1_COMMON *const cm = &cpi->common;
639 const TuneCfg *const tune_cfg = &oxcf->tune_cfg;
640
641 if (cpi->film_grain_table) {
642 aom_film_grain_table_free(cpi->film_grain_table);
643 aom_free(cpi->film_grain_table);
644 cpi->film_grain_table = NULL;
645 }
646
647 if (tune_cfg->film_grain_test_vector) {
648 if (cm->current_frame.frame_type == KEY_FRAME) {
649 memcpy(&cm->film_grain_params,
650 film_grain_test_vectors + tune_cfg->film_grain_test_vector - 1,
651 sizeof(cm->film_grain_params));
652 if (oxcf->tool_cfg.enable_monochrome)
653 reset_film_grain_chroma_params(&cm->film_grain_params);
654 cm->film_grain_params.bit_depth = cm->seq_params->bit_depth;
655 if (cm->seq_params->color_range == AOM_CR_FULL_RANGE) {
656 cm->film_grain_params.clip_to_restricted_range = 0;
657 }
658 }
659 } else if (tune_cfg->film_grain_table_filename) {
660 CHECK_MEM_ERROR(cm, cpi->film_grain_table,
661 aom_calloc(1, sizeof(*cpi->film_grain_table)));
662
663 aom_film_grain_table_read(cpi->film_grain_table,
664 tune_cfg->film_grain_table_filename, cm->error);
665 } else if (tune_cfg->content == AOM_CONTENT_FILM) {
666 cm->film_grain_params.bit_depth = cm->seq_params->bit_depth;
667 if (oxcf->tool_cfg.enable_monochrome)
668 reset_film_grain_chroma_params(&cm->film_grain_params);
669 if (cm->seq_params->color_range == AOM_CR_FULL_RANGE)
670 cm->film_grain_params.clip_to_restricted_range = 0;
671 } else {
672 memset(&cm->film_grain_params, 0, sizeof(cm->film_grain_params));
673 }
674 }
675
av1_scale_references(AV1_COMP * cpi,const InterpFilter filter,const int phase,const int use_optimized_scaler)676 void av1_scale_references(AV1_COMP *cpi, const InterpFilter filter,
677 const int phase, const int use_optimized_scaler) {
678 AV1_COMMON *cm = &cpi->common;
679 const int num_planes = av1_num_planes(cm);
680 MV_REFERENCE_FRAME ref_frame;
681
682 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
683 // Need to convert from AOM_REFFRAME to index into ref_mask (subtract 1).
684 if (cpi->ref_frame_flags & av1_ref_frame_flag_list[ref_frame]) {
685 BufferPool *const pool = cm->buffer_pool;
686 const YV12_BUFFER_CONFIG *const ref =
687 get_ref_frame_yv12_buf(cm, ref_frame);
688
689 if (ref == NULL) {
690 cpi->scaled_ref_buf[ref_frame - 1] = NULL;
691 continue;
692 }
693
694 if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
695 // Replace the reference buffer with a copy having a thicker border,
696 // if the reference buffer is higher resolution than the current
697 // frame, and the border is thin.
698 if ((ref->y_crop_width > cm->width ||
699 ref->y_crop_height > cm->height) &&
700 ref->border < AOM_BORDER_IN_PIXELS) {
701 RefCntBuffer *ref_fb = get_ref_frame_buf(cm, ref_frame);
702 if (aom_yv12_realloc_with_new_border(
703 &ref_fb->buf, AOM_BORDER_IN_PIXELS,
704 cm->features.byte_alignment, num_planes) != 0) {
705 aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
706 "Failed to allocate frame buffer");
707 }
708 }
709 int force_scaling = 0;
710 RefCntBuffer *new_fb = cpi->scaled_ref_buf[ref_frame - 1];
711 if (new_fb == NULL) {
712 const int new_fb_idx = get_free_fb(cm);
713 if (new_fb_idx == INVALID_IDX) {
714 aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
715 "Unable to find free frame buffer");
716 }
717 force_scaling = 1;
718 new_fb = &pool->frame_bufs[new_fb_idx];
719 }
720
721 if (force_scaling || new_fb->buf.y_crop_width != cm->width ||
722 new_fb->buf.y_crop_height != cm->height) {
723 if (aom_realloc_frame_buffer(
724 &new_fb->buf, cm->width, cm->height,
725 cm->seq_params->subsampling_x, cm->seq_params->subsampling_y,
726 cm->seq_params->use_highbitdepth, AOM_BORDER_IN_PIXELS,
727 cm->features.byte_alignment, NULL, NULL, NULL, 0, 0)) {
728 if (force_scaling) {
729 // Release the reference acquired in the get_free_fb() call above.
730 --new_fb->ref_count;
731 }
732 aom_internal_error(cm->error, AOM_CODEC_MEM_ERROR,
733 "Failed to allocate frame buffer");
734 }
735 bool has_optimized_scaler = av1_has_optimized_scaler(
736 ref->y_crop_width, ref->y_crop_height, new_fb->buf.y_crop_width,
737 new_fb->buf.y_crop_height);
738 if (num_planes > 1) {
739 has_optimized_scaler =
740 has_optimized_scaler &&
741 av1_has_optimized_scaler(
742 ref->uv_crop_width, ref->uv_crop_height,
743 new_fb->buf.uv_crop_width, new_fb->buf.uv_crop_height);
744 }
745 #if CONFIG_AV1_HIGHBITDEPTH
746 if (use_optimized_scaler && has_optimized_scaler &&
747 cm->seq_params->bit_depth == AOM_BITS_8)
748 av1_resize_and_extend_frame(ref, &new_fb->buf, filter, phase,
749 num_planes);
750 else
751 av1_resize_and_extend_frame_nonnormative(
752 ref, &new_fb->buf, (int)cm->seq_params->bit_depth, num_planes);
753 #else
754 if (use_optimized_scaler && has_optimized_scaler)
755 av1_resize_and_extend_frame(ref, &new_fb->buf, filter, phase,
756 num_planes);
757 else
758 av1_resize_and_extend_frame_nonnormative(
759 ref, &new_fb->buf, (int)cm->seq_params->bit_depth, num_planes);
760 #endif
761 cpi->scaled_ref_buf[ref_frame - 1] = new_fb;
762 alloc_frame_mvs(cm, new_fb);
763 }
764 } else {
765 RefCntBuffer *buf = get_ref_frame_buf(cm, ref_frame);
766 buf->buf.y_crop_width = ref->y_crop_width;
767 buf->buf.y_crop_height = ref->y_crop_height;
768 cpi->scaled_ref_buf[ref_frame - 1] = buf;
769 ++buf->ref_count;
770 }
771 } else {
772 if (!has_no_stats_stage(cpi)) cpi->scaled_ref_buf[ref_frame - 1] = NULL;
773 }
774 }
775 }
776
av1_select_sb_size(const AV1EncoderConfig * const oxcf,int width,int height,int number_spatial_layers)777 BLOCK_SIZE av1_select_sb_size(const AV1EncoderConfig *const oxcf, int width,
778 int height, int number_spatial_layers) {
779 if (oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_64X64) {
780 return BLOCK_64X64;
781 }
782 if (oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_128X128) {
783 return BLOCK_128X128;
784 }
785 #if CONFIG_TFLITE
786 if (oxcf->q_cfg.deltaq_mode == DELTA_Q_USER_RATING_BASED) return BLOCK_64X64;
787 #endif
788 // Force 64x64 superblock size to increase resolution in perceptual
789 // AQ mode.
790 if (oxcf->mode == ALLINTRA &&
791 (oxcf->q_cfg.deltaq_mode == DELTA_Q_PERCEPTUAL_AI ||
792 oxcf->q_cfg.deltaq_mode == DELTA_Q_USER_RATING_BASED)) {
793 return BLOCK_64X64;
794 }
795 assert(oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_DYNAMIC);
796
797 if (number_spatial_layers > 1 ||
798 oxcf->resize_cfg.resize_mode != RESIZE_NONE) {
799 // Use the configured size (top resolution) for spatial layers or
800 // on resize.
801 return AOMMIN(oxcf->frm_dim_cfg.width, oxcf->frm_dim_cfg.height) > 720
802 ? BLOCK_128X128
803 : BLOCK_64X64;
804 } else if (oxcf->mode == REALTIME) {
805 if (oxcf->tune_cfg.content == AOM_CONTENT_SCREEN)
806 return AOMMIN(width, height) >= 720 ? BLOCK_128X128 : BLOCK_64X64;
807 else
808 return AOMMIN(width, height) > 720 ? BLOCK_128X128 : BLOCK_64X64;
809 }
810
811 // TODO(any): Possibly could improve this with a heuristic.
812 // When superres / resize is on, 'cm->width / height' can change between
813 // calls, so we don't apply this heuristic there.
814 // Things break if superblock size changes between the first pass and second
815 // pass encoding, which is why this heuristic is not configured as a
816 // speed-feature.
817 if (oxcf->superres_cfg.superres_mode == AOM_SUPERRES_NONE &&
818 oxcf->resize_cfg.resize_mode == RESIZE_NONE) {
819 int is_480p_or_lesser = AOMMIN(width, height) <= 480;
820 if (oxcf->speed >= 1 && is_480p_or_lesser) return BLOCK_64X64;
821
822 // For 1080p and lower resolutions, choose SB size adaptively based on
823 // resolution and speed level for multi-thread encode.
824 int is_1080p_or_lesser = AOMMIN(width, height) <= 1080;
825 if (!is_480p_or_lesser && is_1080p_or_lesser && oxcf->mode == GOOD &&
826 oxcf->row_mt == 1 && oxcf->max_threads > 1 && oxcf->speed >= 5)
827 return BLOCK_64X64;
828 }
829 return BLOCK_128X128;
830 }
831
av1_setup_frame(AV1_COMP * cpi)832 void av1_setup_frame(AV1_COMP *cpi) {
833 AV1_COMMON *const cm = &cpi->common;
834 // Set up entropy context depending on frame type. The decoder mandates
835 // the use of the default context, index 0, for keyframes and inter
836 // frames where the error_resilient_mode or intra_only flag is set. For
837 // other inter-frames the encoder currently uses only two contexts;
838 // context 1 for ALTREF frames and context 0 for the others.
839
840 if (frame_is_intra_only(cm) || cm->features.error_resilient_mode ||
841 cpi->ext_flags.use_primary_ref_none) {
842 av1_setup_past_independence(cm);
843 }
844
845 if ((cm->current_frame.frame_type == KEY_FRAME && cm->show_frame) ||
846 frame_is_sframe(cm)) {
847 if (!cpi->ppi->seq_params_locked) {
848 set_sb_size(cm->seq_params,
849 av1_select_sb_size(&cpi->oxcf, cm->width, cm->height,
850 cpi->svc.number_spatial_layers));
851 }
852 } else {
853 const RefCntBuffer *const primary_ref_buf = get_primary_ref_frame_buf(cm);
854 if (primary_ref_buf == NULL) {
855 av1_setup_past_independence(cm);
856 cm->seg.update_map = 1;
857 cm->seg.update_data = 1;
858 } else {
859 *cm->fc = primary_ref_buf->frame_context;
860 }
861 }
862
863 av1_zero(cm->cur_frame->interp_filter_selected);
864 cm->prev_frame = get_primary_ref_frame_buf(cm);
865 cpi->vaq_refresh = 0;
866 }
867
868 #if !CONFIG_REALTIME_ONLY
get_interp_filter_selected(const AV1_COMMON * const cm,MV_REFERENCE_FRAME ref,InterpFilter ifilter)869 static int get_interp_filter_selected(const AV1_COMMON *const cm,
870 MV_REFERENCE_FRAME ref,
871 InterpFilter ifilter) {
872 const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref);
873 if (buf == NULL) return 0;
874 return buf->interp_filter_selected[ifilter];
875 }
876
av1_setup_interp_filter_search_mask(AV1_COMP * cpi)877 uint16_t av1_setup_interp_filter_search_mask(AV1_COMP *cpi) {
878 const AV1_COMMON *const cm = &cpi->common;
879 int ref_total[REF_FRAMES] = { 0 };
880 uint16_t mask = ALLOW_ALL_INTERP_FILT_MASK;
881
882 if (cpi->last_frame_type == KEY_FRAME || cpi->refresh_frame.alt_ref_frame)
883 return mask;
884
885 for (MV_REFERENCE_FRAME ref = LAST_FRAME; ref <= ALTREF_FRAME; ++ref) {
886 for (InterpFilter ifilter = EIGHTTAP_REGULAR; ifilter <= MULTITAP_SHARP;
887 ++ifilter) {
888 ref_total[ref] += get_interp_filter_selected(cm, ref, ifilter);
889 }
890 }
891 int ref_total_total = (ref_total[LAST2_FRAME] + ref_total[LAST3_FRAME] +
892 ref_total[GOLDEN_FRAME] + ref_total[BWDREF_FRAME] +
893 ref_total[ALTREF2_FRAME] + ref_total[ALTREF_FRAME]);
894
895 for (InterpFilter ifilter = EIGHTTAP_REGULAR; ifilter <= MULTITAP_SHARP;
896 ++ifilter) {
897 int last_score = get_interp_filter_selected(cm, LAST_FRAME, ifilter) * 30;
898 if (ref_total[LAST_FRAME] && last_score <= ref_total[LAST_FRAME]) {
899 int filter_score =
900 get_interp_filter_selected(cm, LAST2_FRAME, ifilter) * 20 +
901 get_interp_filter_selected(cm, LAST3_FRAME, ifilter) * 20 +
902 get_interp_filter_selected(cm, GOLDEN_FRAME, ifilter) * 20 +
903 get_interp_filter_selected(cm, BWDREF_FRAME, ifilter) * 10 +
904 get_interp_filter_selected(cm, ALTREF2_FRAME, ifilter) * 10 +
905 get_interp_filter_selected(cm, ALTREF_FRAME, ifilter) * 10;
906 if (filter_score < ref_total_total) {
907 DUAL_FILTER_TYPE filt_type = ifilter + SWITCHABLE_FILTERS * ifilter;
908 reset_interp_filter_allowed_mask(&mask, filt_type);
909 }
910 }
911 }
912 return mask;
913 }
914
915 #define STRICT_PSNR_DIFF_THRESH 0.9
916 // Encode key frame with/without screen content tools to determine whether
917 // screen content tools should be enabled for this key frame group or not.
918 // The first encoding is without screen content tools.
919 // The second encoding is with screen content tools.
920 // We compare the psnr and frame size to make the decision.
screen_content_tools_determination(AV1_COMP * cpi,const int allow_screen_content_tools_orig_decision,const int allow_intrabc_orig_decision,const int use_screen_content_tools_orig_decision,const int is_screen_content_type_orig_decision,const int pass,int * projected_size_pass,PSNR_STATS * psnr)921 static void screen_content_tools_determination(
922 AV1_COMP *cpi, const int allow_screen_content_tools_orig_decision,
923 const int allow_intrabc_orig_decision,
924 const int use_screen_content_tools_orig_decision,
925 const int is_screen_content_type_orig_decision, const int pass,
926 int *projected_size_pass, PSNR_STATS *psnr) {
927 AV1_COMMON *const cm = &cpi->common;
928 FeatureFlags *const features = &cm->features;
929
930 #if CONFIG_FPMT_TEST
931 projected_size_pass[pass] =
932 ((cpi->ppi->gf_group.frame_parallel_level[cpi->gf_frame_index] > 0) &&
933 (cpi->ppi->fpmt_unit_test_cfg == PARALLEL_SIMULATION_ENCODE))
934 ? cpi->ppi->p_rc.temp_projected_frame_size
935 : cpi->rc.projected_frame_size;
936 #else
937 projected_size_pass[pass] = cpi->rc.projected_frame_size;
938 #endif
939
940 #if CONFIG_AV1_HIGHBITDEPTH
941 const uint32_t in_bit_depth = cpi->oxcf.input_cfg.input_bit_depth;
942 const uint32_t bit_depth = cpi->td.mb.e_mbd.bd;
943 aom_calc_highbd_psnr(cpi->source, &cpi->common.cur_frame->buf, &psnr[pass],
944 bit_depth, in_bit_depth);
945 #else
946 aom_calc_psnr(cpi->source, &cpi->common.cur_frame->buf, &psnr[pass]);
947 #endif
948 if (pass != 1) return;
949
950 const double psnr_diff = psnr[1].psnr[0] - psnr[0].psnr[0];
951 const int is_sc_encoding_much_better = psnr_diff > STRICT_PSNR_DIFF_THRESH;
952 if (is_sc_encoding_much_better) {
953 // Use screen content tools, if we get coding gain.
954 features->allow_screen_content_tools = 1;
955 features->allow_intrabc = cpi->intrabc_used;
956 cpi->use_screen_content_tools = 1;
957 cpi->is_screen_content_type = 1;
958 } else {
959 // Use original screen content decision.
960 features->allow_screen_content_tools =
961 allow_screen_content_tools_orig_decision;
962 features->allow_intrabc = allow_intrabc_orig_decision;
963 cpi->use_screen_content_tools = use_screen_content_tools_orig_decision;
964 cpi->is_screen_content_type = is_screen_content_type_orig_decision;
965 }
966 }
967
968 // Set some encoding parameters to make the encoding process fast.
969 // A fixed block partition size, and a large q is used.
set_encoding_params_for_screen_content(AV1_COMP * cpi,const int pass)970 static void set_encoding_params_for_screen_content(AV1_COMP *cpi,
971 const int pass) {
972 AV1_COMMON *const cm = &cpi->common;
973 if (pass == 0) {
974 // In the first pass, encode without screen content tools.
975 // Use a high q, and a fixed block size for fast encoding.
976 cm->features.allow_screen_content_tools = 0;
977 cm->features.allow_intrabc = 0;
978 cpi->use_screen_content_tools = 0;
979 cpi->sf.part_sf.partition_search_type = FIXED_PARTITION;
980 cpi->sf.part_sf.fixed_partition_size = BLOCK_32X32;
981 return;
982 }
983 assert(pass == 1);
984 // In the second pass, encode with screen content tools.
985 // Use a high q, and a fixed block size for fast encoding.
986 cm->features.allow_screen_content_tools = 1;
987 // TODO(chengchen): turn intrabc on could lead to data race issue.
988 // cm->allow_intrabc = 1;
989 cpi->use_screen_content_tools = 1;
990 cpi->sf.part_sf.partition_search_type = FIXED_PARTITION;
991 cpi->sf.part_sf.fixed_partition_size = BLOCK_32X32;
992 }
993
994 // Determines whether to use screen content tools for the key frame group.
995 // This function modifies "cm->features.allow_screen_content_tools",
996 // "cm->features.allow_intrabc" and "cpi->use_screen_content_tools".
av1_determine_sc_tools_with_encoding(AV1_COMP * cpi,const int q_orig)997 void av1_determine_sc_tools_with_encoding(AV1_COMP *cpi, const int q_orig) {
998 AV1_COMMON *const cm = &cpi->common;
999 const AV1EncoderConfig *const oxcf = &cpi->oxcf;
1000 const QuantizationCfg *const q_cfg = &oxcf->q_cfg;
1001 // Variables to help determine if we should allow screen content tools.
1002 int projected_size_pass[3] = { 0 };
1003 PSNR_STATS psnr[3];
1004 const int is_key_frame = cm->current_frame.frame_type == KEY_FRAME;
1005 const int allow_screen_content_tools_orig_decision =
1006 cm->features.allow_screen_content_tools;
1007 const int allow_intrabc_orig_decision = cm->features.allow_intrabc;
1008 const int use_screen_content_tools_orig_decision =
1009 cpi->use_screen_content_tools;
1010 const int is_screen_content_type_orig_decision = cpi->is_screen_content_type;
1011 // Turn off the encoding trial for forward key frame and superres.
1012 if (cpi->sf.rt_sf.use_nonrd_pick_mode || oxcf->kf_cfg.fwd_kf_enabled ||
1013 cpi->superres_mode != AOM_SUPERRES_NONE || oxcf->mode == REALTIME ||
1014 use_screen_content_tools_orig_decision || !is_key_frame) {
1015 return;
1016 }
1017
1018 // TODO(chengchen): multiple encoding for the lossless mode is time consuming.
1019 // Find a better way to determine whether screen content tools should be used
1020 // for lossless coding.
1021 // Use a high q and a fixed partition to do quick encoding.
1022 const int q_for_screen_content_quick_run =
1023 is_lossless_requested(&oxcf->rc_cfg) ? q_orig : AOMMAX(q_orig, 244);
1024 const int partition_search_type_orig = cpi->sf.part_sf.partition_search_type;
1025 const BLOCK_SIZE fixed_partition_block_size_orig =
1026 cpi->sf.part_sf.fixed_partition_size;
1027
1028 // Setup necessary params for encoding, including frame source, etc.
1029
1030 cpi->source = av1_realloc_and_scale_if_required(
1031 cm, cpi->unscaled_source, &cpi->scaled_source, cm->features.interp_filter,
1032 0, false, false, cpi->oxcf.border_in_pixels,
1033 cpi->oxcf.tool_cfg.enable_global_motion);
1034 if (cpi->unscaled_last_source != NULL) {
1035 cpi->last_source = av1_realloc_and_scale_if_required(
1036 cm, cpi->unscaled_last_source, &cpi->scaled_last_source,
1037 cm->features.interp_filter, 0, false, false, cpi->oxcf.border_in_pixels,
1038 cpi->oxcf.tool_cfg.enable_global_motion);
1039 }
1040
1041 av1_setup_frame(cpi);
1042
1043 if (cm->seg.enabled) {
1044 if (!cm->seg.update_data && cm->prev_frame) {
1045 segfeatures_copy(&cm->seg, &cm->prev_frame->seg);
1046 cm->seg.enabled = cm->prev_frame->seg.enabled;
1047 } else {
1048 av1_calculate_segdata(&cm->seg);
1049 }
1050 } else {
1051 memset(&cm->seg, 0, sizeof(cm->seg));
1052 }
1053 segfeatures_copy(&cm->cur_frame->seg, &cm->seg);
1054 cm->cur_frame->seg.enabled = cm->seg.enabled;
1055
1056 // The two encoding passes aim to help determine whether to use screen
1057 // content tools, with a high q and fixed partition.
1058 for (int pass = 0; pass < 2; ++pass) {
1059 set_encoding_params_for_screen_content(cpi, pass);
1060 av1_set_quantizer(cm, q_cfg->qm_minlevel, q_cfg->qm_maxlevel,
1061 q_for_screen_content_quick_run,
1062 q_cfg->enable_chroma_deltaq, q_cfg->enable_hdr_deltaq);
1063 av1_set_speed_features_qindex_dependent(cpi, oxcf->speed);
1064 if (q_cfg->deltaq_mode != NO_DELTA_Q || q_cfg->enable_chroma_deltaq)
1065 av1_init_quantizer(&cpi->enc_quant_dequant_params, &cm->quant_params,
1066 cm->seq_params->bit_depth);
1067
1068 av1_set_variance_partition_thresholds(cpi, q_for_screen_content_quick_run,
1069 0);
1070 // transform / motion compensation build reconstruction frame
1071 av1_encode_frame(cpi);
1072 // Screen content decision
1073 screen_content_tools_determination(
1074 cpi, allow_screen_content_tools_orig_decision,
1075 allow_intrabc_orig_decision, use_screen_content_tools_orig_decision,
1076 is_screen_content_type_orig_decision, pass, projected_size_pass, psnr);
1077 }
1078
1079 // Set partition speed feature back.
1080 cpi->sf.part_sf.partition_search_type = partition_search_type_orig;
1081 cpi->sf.part_sf.fixed_partition_size = fixed_partition_block_size_orig;
1082
1083 // Free token related info if screen content coding tools are not enabled.
1084 if (!cm->features.allow_screen_content_tools)
1085 free_token_info(&cpi->token_info);
1086 }
1087 #endif // CONFIG_REALTIME_ONLY
1088
fix_interp_filter(InterpFilter * const interp_filter,const FRAME_COUNTS * const counts)1089 static void fix_interp_filter(InterpFilter *const interp_filter,
1090 const FRAME_COUNTS *const counts) {
1091 if (*interp_filter == SWITCHABLE) {
1092 // Check to see if only one of the filters is actually used
1093 int count[SWITCHABLE_FILTERS] = { 0 };
1094 int num_filters_used = 0;
1095 for (int i = 0; i < SWITCHABLE_FILTERS; ++i) {
1096 for (int j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j)
1097 count[i] += counts->switchable_interp[j][i];
1098 num_filters_used += (count[i] > 0);
1099 }
1100 if (num_filters_used == 1) {
1101 // Only one filter is used. So set the filter at frame level
1102 for (int i = 0; i < SWITCHABLE_FILTERS; ++i) {
1103 if (count[i]) {
1104 if (i == EIGHTTAP_REGULAR) *interp_filter = i;
1105 break;
1106 }
1107 }
1108 }
1109 }
1110 }
1111
av1_finalize_encoded_frame(AV1_COMP * const cpi)1112 void av1_finalize_encoded_frame(AV1_COMP *const cpi) {
1113 AV1_COMMON *const cm = &cpi->common;
1114 CurrentFrame *const current_frame = &cm->current_frame;
1115
1116 if (!cm->seq_params->reduced_still_picture_hdr &&
1117 encode_show_existing_frame(cm)) {
1118 RefCntBuffer *const frame_to_show =
1119 cm->ref_frame_map[cpi->existing_fb_idx_to_show];
1120
1121 if (frame_to_show == NULL) {
1122 aom_internal_error(cm->error, AOM_CODEC_UNSUP_BITSTREAM,
1123 "Buffer does not contain a reconstructed frame");
1124 }
1125 assert(frame_to_show->ref_count > 0);
1126 assign_frame_buffer_p(&cm->cur_frame, frame_to_show);
1127 }
1128
1129 if (!encode_show_existing_frame(cm) &&
1130 cm->seq_params->film_grain_params_present &&
1131 (cm->show_frame || cm->showable_frame)) {
1132 // Copy the current frame's film grain params to the its corresponding
1133 // RefCntBuffer slot.
1134 cm->cur_frame->film_grain_params = cm->film_grain_params;
1135
1136 // We must update the parameters if this is not an INTER_FRAME
1137 if (current_frame->frame_type != INTER_FRAME)
1138 cm->cur_frame->film_grain_params.update_parameters = 1;
1139
1140 // Iterate the random seed for the next frame.
1141 cm->film_grain_params.random_seed += 3381;
1142 if (cm->film_grain_params.random_seed == 0)
1143 cm->film_grain_params.random_seed = 7391;
1144 }
1145
1146 // Initialise all tiles' contexts from the global frame context
1147 for (int tile_col = 0; tile_col < cm->tiles.cols; tile_col++) {
1148 for (int tile_row = 0; tile_row < cm->tiles.rows; tile_row++) {
1149 const int tile_idx = tile_row * cm->tiles.cols + tile_col;
1150 cpi->tile_data[tile_idx].tctx = *cm->fc;
1151 }
1152 }
1153
1154 fix_interp_filter(&cm->features.interp_filter, cpi->td.counts);
1155 }
1156
av1_is_integer_mv(const YV12_BUFFER_CONFIG * cur_picture,const YV12_BUFFER_CONFIG * last_picture,ForceIntegerMVInfo * const force_intpel_info)1157 int av1_is_integer_mv(const YV12_BUFFER_CONFIG *cur_picture,
1158 const YV12_BUFFER_CONFIG *last_picture,
1159 ForceIntegerMVInfo *const force_intpel_info) {
1160 // check use hash ME
1161 int k;
1162
1163 const int block_size = FORCE_INT_MV_DECISION_BLOCK_SIZE;
1164 const double threshold_current = 0.8;
1165 const double threshold_average = 0.95;
1166 const int max_history_size = 32;
1167 int T = 0; // total block
1168 int C = 0; // match with collocated block
1169 int S = 0; // smooth region but not match with collocated block
1170
1171 const int pic_width = cur_picture->y_width;
1172 const int pic_height = cur_picture->y_height;
1173 for (int i = 0; i + block_size <= pic_height; i += block_size) {
1174 for (int j = 0; j + block_size <= pic_width; j += block_size) {
1175 const int x_pos = j;
1176 const int y_pos = i;
1177 int match = 1;
1178 T++;
1179
1180 // check whether collocated block match with current
1181 uint8_t *p_cur = cur_picture->y_buffer;
1182 uint8_t *p_ref = last_picture->y_buffer;
1183 int stride_cur = cur_picture->y_stride;
1184 int stride_ref = last_picture->y_stride;
1185 p_cur += (y_pos * stride_cur + x_pos);
1186 p_ref += (y_pos * stride_ref + x_pos);
1187
1188 if (cur_picture->flags & YV12_FLAG_HIGHBITDEPTH) {
1189 uint16_t *p16_cur = CONVERT_TO_SHORTPTR(p_cur);
1190 uint16_t *p16_ref = CONVERT_TO_SHORTPTR(p_ref);
1191 for (int tmpY = 0; tmpY < block_size && match; tmpY++) {
1192 for (int tmpX = 0; tmpX < block_size && match; tmpX++) {
1193 if (p16_cur[tmpX] != p16_ref[tmpX]) {
1194 match = 0;
1195 }
1196 }
1197 p16_cur += stride_cur;
1198 p16_ref += stride_ref;
1199 }
1200 } else {
1201 for (int tmpY = 0; tmpY < block_size && match; tmpY++) {
1202 for (int tmpX = 0; tmpX < block_size && match; tmpX++) {
1203 if (p_cur[tmpX] != p_ref[tmpX]) {
1204 match = 0;
1205 }
1206 }
1207 p_cur += stride_cur;
1208 p_ref += stride_ref;
1209 }
1210 }
1211
1212 if (match) {
1213 C++;
1214 continue;
1215 }
1216
1217 if (av1_hash_is_horizontal_perfect(cur_picture, block_size, x_pos,
1218 y_pos) ||
1219 av1_hash_is_vertical_perfect(cur_picture, block_size, x_pos, y_pos)) {
1220 S++;
1221 continue;
1222 }
1223 }
1224 }
1225
1226 assert(T > 0);
1227 double cs_rate = ((double)(C + S)) / ((double)(T));
1228
1229 force_intpel_info->cs_rate_array[force_intpel_info->rate_index] = cs_rate;
1230
1231 force_intpel_info->rate_index =
1232 (force_intpel_info->rate_index + 1) % max_history_size;
1233 force_intpel_info->rate_size++;
1234 force_intpel_info->rate_size =
1235 AOMMIN(force_intpel_info->rate_size, max_history_size);
1236
1237 if (cs_rate < threshold_current) {
1238 return 0;
1239 }
1240
1241 if (C == T) {
1242 return 1;
1243 }
1244
1245 double cs_average = 0.0;
1246
1247 for (k = 0; k < force_intpel_info->rate_size; k++) {
1248 cs_average += force_intpel_info->cs_rate_array[k];
1249 }
1250 cs_average /= force_intpel_info->rate_size;
1251
1252 if (cs_average < threshold_average) {
1253 return 0;
1254 }
1255
1256 if ((T - C - S) < 0) {
1257 return 1;
1258 }
1259
1260 if (cs_average > 1.01) {
1261 return 1;
1262 }
1263
1264 return 0;
1265 }
1266
av1_set_mb_ssim_rdmult_scaling(AV1_COMP * cpi)1267 void av1_set_mb_ssim_rdmult_scaling(AV1_COMP *cpi) {
1268 const CommonModeInfoParams *const mi_params = &cpi->common.mi_params;
1269 const MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
1270 uint8_t *y_buffer = cpi->source->y_buffer;
1271 const int y_stride = cpi->source->y_stride;
1272 const int block_size = BLOCK_16X16;
1273
1274 const int num_mi_w = mi_size_wide[block_size];
1275 const int num_mi_h = mi_size_high[block_size];
1276 const int num_cols = (mi_params->mi_cols + num_mi_w - 1) / num_mi_w;
1277 const int num_rows = (mi_params->mi_rows + num_mi_h - 1) / num_mi_h;
1278 double log_sum = 0.0;
1279
1280 // Loop through each 16x16 block.
1281 for (int row = 0; row < num_rows; ++row) {
1282 for (int col = 0; col < num_cols; ++col) {
1283 double var = 0.0, num_of_var = 0.0;
1284 const int index = row * num_cols + col;
1285
1286 // Loop through each 8x8 block.
1287 for (int mi_row = row * num_mi_h;
1288 mi_row < mi_params->mi_rows && mi_row < (row + 1) * num_mi_h;
1289 mi_row += 2) {
1290 for (int mi_col = col * num_mi_w;
1291 mi_col < mi_params->mi_cols && mi_col < (col + 1) * num_mi_w;
1292 mi_col += 2) {
1293 struct buf_2d buf;
1294 const int row_offset_y = mi_row << 2;
1295 const int col_offset_y = mi_col << 2;
1296
1297 buf.buf = y_buffer + row_offset_y * y_stride + col_offset_y;
1298 buf.stride = y_stride;
1299
1300 var += av1_get_perpixel_variance_facade(cpi, xd, &buf, BLOCK_8X8,
1301 AOM_PLANE_Y);
1302 num_of_var += 1.0;
1303 }
1304 }
1305 var = var / num_of_var;
1306
1307 // Curve fitting with an exponential model on all 16x16 blocks from the
1308 // midres dataset.
1309 var = 67.035434 * (1 - exp(-0.0021489 * var)) + 17.492222;
1310 cpi->ssim_rdmult_scaling_factors[index] = var;
1311 log_sum += log(var);
1312 }
1313 }
1314 log_sum = exp(log_sum / (double)(num_rows * num_cols));
1315
1316 for (int row = 0; row < num_rows; ++row) {
1317 for (int col = 0; col < num_cols; ++col) {
1318 const int index = row * num_cols + col;
1319 cpi->ssim_rdmult_scaling_factors[index] /= log_sum;
1320 }
1321 }
1322 }
1323
1324 // Coding context that only needs to be saved when recode loop includes
1325 // filtering (deblocking, CDEF, superres post-encode upscale and/or loop
1326 // restoraton).
save_extra_coding_context(AV1_COMP * cpi)1327 static void save_extra_coding_context(AV1_COMP *cpi) {
1328 CODING_CONTEXT *const cc = &cpi->coding_context;
1329 AV1_COMMON *cm = &cpi->common;
1330
1331 cc->lf = cm->lf;
1332 cc->cdef_info = cm->cdef_info;
1333 cc->rc = cpi->rc;
1334 cc->mv_stats = cpi->ppi->mv_stats;
1335 }
1336
av1_save_all_coding_context(AV1_COMP * cpi)1337 void av1_save_all_coding_context(AV1_COMP *cpi) {
1338 save_extra_coding_context(cpi);
1339 if (!frame_is_intra_only(&cpi->common)) release_scaled_references(cpi);
1340 }
1341
1342 #if DUMP_RECON_FRAMES == 1
1343
1344 // NOTE(zoeliu): For debug - Output the filtered reconstructed video.
av1_dump_filtered_recon_frames(AV1_COMP * cpi)1345 void av1_dump_filtered_recon_frames(AV1_COMP *cpi) {
1346 AV1_COMMON *const cm = &cpi->common;
1347 const CurrentFrame *const current_frame = &cm->current_frame;
1348 const YV12_BUFFER_CONFIG *recon_buf = &cm->cur_frame->buf;
1349
1350 if (recon_buf == NULL) {
1351 printf("Frame %d is not ready.\n", current_frame->frame_number);
1352 return;
1353 }
1354
1355 static const int flag_list[REF_FRAMES] = { 0,
1356 AOM_LAST_FLAG,
1357 AOM_LAST2_FLAG,
1358 AOM_LAST3_FLAG,
1359 AOM_GOLD_FLAG,
1360 AOM_BWD_FLAG,
1361 AOM_ALT2_FLAG,
1362 AOM_ALT_FLAG };
1363 printf(
1364 "\n***Frame=%d (frame_offset=%d, show_frame=%d, "
1365 "show_existing_frame=%d) "
1366 "[LAST LAST2 LAST3 GOLDEN BWD ALT2 ALT]=[",
1367 current_frame->frame_number, current_frame->order_hint, cm->show_frame,
1368 cm->show_existing_frame);
1369 for (int ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) {
1370 const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
1371 const int ref_offset = buf != NULL ? (int)buf->order_hint : -1;
1372 printf(" %d(%c)", ref_offset,
1373 (cpi->ref_frame_flags & flag_list[ref_frame]) ? 'Y' : 'N');
1374 }
1375 printf(" ]\n");
1376
1377 if (!cm->show_frame) {
1378 printf("Frame %d is a no show frame, so no image dump.\n",
1379 current_frame->frame_number);
1380 return;
1381 }
1382
1383 int h;
1384 char file_name[256] = "/tmp/enc_filtered_recon.yuv";
1385 FILE *f_recon = NULL;
1386
1387 if (current_frame->frame_number == 0) {
1388 if ((f_recon = fopen(file_name, "wb")) == NULL) {
1389 printf("Unable to open file %s to write.\n", file_name);
1390 return;
1391 }
1392 } else {
1393 if ((f_recon = fopen(file_name, "ab")) == NULL) {
1394 printf("Unable to open file %s to append.\n", file_name);
1395 return;
1396 }
1397 }
1398 printf(
1399 "\nFrame=%5d, encode_update_type[%5d]=%1d, frame_offset=%d, "
1400 "show_frame=%d, show_existing_frame=%d, source_alt_ref_active=%d, "
1401 "refresh_alt_ref_frame=%d, "
1402 "y_stride=%4d, uv_stride=%4d, cm->width=%4d, cm->height=%4d\n\n",
1403 current_frame->frame_number, cpi->gf_frame_index,
1404 cpi->ppi->gf_group.update_type[cpi->gf_frame_index],
1405 current_frame->order_hint, cm->show_frame, cm->show_existing_frame,
1406 cpi->rc.source_alt_ref_active, cpi->refresh_frame.alt_ref_frame,
1407 recon_buf->y_stride, recon_buf->uv_stride, cm->width, cm->height);
1408 #if 0
1409 int ref_frame;
1410 printf("get_ref_frame_map_idx: [");
1411 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame)
1412 printf(" %d", get_ref_frame_map_idx(cm, ref_frame));
1413 printf(" ]\n");
1414 #endif // 0
1415
1416 // --- Y ---
1417 for (h = 0; h < cm->height; ++h) {
1418 fwrite(&recon_buf->y_buffer[h * recon_buf->y_stride], 1, cm->width,
1419 f_recon);
1420 }
1421 // --- U ---
1422 for (h = 0; h < (cm->height >> 1); ++h) {
1423 fwrite(&recon_buf->u_buffer[h * recon_buf->uv_stride], 1, (cm->width >> 1),
1424 f_recon);
1425 }
1426 // --- V ---
1427 for (h = 0; h < (cm->height >> 1); ++h) {
1428 fwrite(&recon_buf->v_buffer[h * recon_buf->uv_stride], 1, (cm->width >> 1),
1429 f_recon);
1430 }
1431
1432 fclose(f_recon);
1433 }
1434 #endif // DUMP_RECON_FRAMES
1435