/src/serenity/Userland/Libraries/LibGfx/ImageFormats/WebPLoaderLossyTables.h
Line | Count | Source |
1 | | /* |
2 | | * Copyright (c) 2023, Nico Weber <thakis@chromium.org> |
3 | | * |
4 | | * SPDX-License-Identifier: BSD-2-Clause |
5 | | */ |
6 | | |
7 | | #pragma once |
8 | | |
9 | | // Contains fixed data tables from the VP8 spec. |
10 | | |
11 | | namespace Gfx { |
12 | | |
13 | | using Prob = u8; |
14 | | using TreeIndex = i8; |
15 | | |
16 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-10 "Segment-Based Feature Adjustments" |
17 | | TreeIndex const MACROBLOCK_SEGMENT_TREE[2 * (4 - 1)] = { |
18 | | 2, 4, /* root: "0", "1" subtrees */ |
19 | | -0, -1, /* "00" = 0th value, "01" = 1st value */ |
20 | | -2, -3 /* "10" = 2nd value, "11" = 3rd value */ |
21 | | }; |
22 | | |
23 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-8.2 "Tree Coding Example" |
24 | | // Repeated in https://datatracker.ietf.org/doc/html/rfc6386#section-11.2 "Luma Modes" |
25 | | enum IntraMacroblockMode : u8 { |
26 | | DC_PRED, /* predict DC using row above and column to the left */ |
27 | | V_PRED, /* predict rows using row above */ |
28 | | H_PRED, /* predict columns using column to the left */ |
29 | | TM_PRED, /* propagate second differences a la "True Motion" */ |
30 | | B_PRED, /* each Y subblock is independently predicted */ |
31 | | num_uv_modes = B_PRED, /* first four modes apply to chroma */ |
32 | | num_ymodes /* all modes apply to luma */ |
33 | | }; |
34 | | |
35 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-19.3 says "intra_y_mode selects the luminance intra-prediction mode (Section 16.1)", |
36 | | // but for keyframes the correct reference is actually https://datatracker.ietf.org/doc/html/rfc6386#section-11.2 "Luma Modes". |
37 | | // That is, we want "kf_ymode_tree", not "ymode_tree", and "kf_ymode_prob", not "ymode_prob". |
38 | | // See "decode_kf_mb_mode" in the reference decoder in the spec. |
39 | | static TreeIndex constexpr KEYFRAME_YMODE_TREE[2 * (num_ymodes - 1)] = { |
40 | | -B_PRED, 2, /* root: B_PRED = "0", "1" subtree */ |
41 | | 4, 6, /* "1" subtree has 2 descendant subtrees */ |
42 | | -DC_PRED, -V_PRED, /* "10" subtree: DC_PRED = "100", V_PRED = "101" */ |
43 | | -H_PRED, -TM_PRED /* "11" subtree: H_PRED = "110", TM_PRED = "111" */ |
44 | | }; |
45 | | static Prob constexpr KEYFRAME_YMODE_PROBABILITIES[num_ymodes - 1] = { 145, 156, 163, 128 }; |
46 | | |
47 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-11.2 "Luma Modes" |
48 | | enum IntraBlockMode : u8 { |
49 | | B_DC_PRED, /* predict DC using row above and column |
50 | | to the left */ |
51 | | B_TM_PRED, /* propagate second differences a la |
52 | | "True Motion" */ |
53 | | |
54 | | B_VE_PRED, /* predict rows using row above */ |
55 | | B_HE_PRED, /* predict columns using column to the left */ |
56 | | |
57 | | B_LD_PRED, /* southwest (left and down) 45 degree diagonal |
58 | | prediction */ |
59 | | B_RD_PRED, /* southeast (right and down) "" */ |
60 | | |
61 | | B_VR_PRED, /* SSE (vertical right) diagonal prediction */ |
62 | | |
63 | | B_VL_PRED, /* SSW (vertical left) "" */ |
64 | | |
65 | | B_HD_PRED, /* ESE (horizontal down) "" */ |
66 | | B_HU_PRED, /* ENE (horizontal up) "" */ |
67 | | |
68 | | num_intra_bmodes |
69 | | }; |
70 | | |
71 | | // clang-format off |
72 | | static TreeIndex constexpr BLOCK_MODE_TREE[2 * (num_intra_bmodes - 1)] = { |
73 | | -B_DC_PRED, 2, /* B_DC_PRED = "0" */ |
74 | | -B_TM_PRED, 4, /* B_TM_PRED = "10" */ |
75 | | -B_VE_PRED, 6, /* B_VE_PRED = "110" */ |
76 | | 8, 12, |
77 | | -B_HE_PRED, 10, /* B_HE_PRED = "11100" */ |
78 | | -B_RD_PRED, -B_VR_PRED, /* B_RD_PRED = "111010", |
79 | | B_VR_PRED = "111011" */ |
80 | | -B_LD_PRED, 14, /* B_LD_PRED = "111110" */ |
81 | | -B_VL_PRED, 16, /* B_VL_PRED = "1111110" */ |
82 | | -B_HD_PRED, -B_HU_PRED /* HD = "11111110", |
83 | | HU = "11111111" */ |
84 | | }; |
85 | | // clang-format on |
86 | | |
87 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-11.4 "Chroma Modes" |
88 | | // clang-format off |
89 | | static TreeIndex constexpr UV_MODE_TREE[2 * (num_uv_modes - 1)] = { |
90 | | -DC_PRED, 2, /* root: DC_PRED = "0", "1" subtree */ |
91 | | -V_PRED, 4, /* "1" subtree: V_PRED = "10", "11" subtree */ |
92 | | -H_PRED, -TM_PRED /* "11" subtree: H_PRED = "110", TM_PRED = "111" */ |
93 | | }; |
94 | | // clang-format on |
95 | | static Prob constexpr KEYFRAME_UV_MODE_PROBABILITIES[num_uv_modes - 1] = { 142, 114, 183 }; |
96 | | |
97 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-11.5 "Subblock Mode Probability Table" |
98 | | // clang-format off |
99 | | const Prob KEYFRAME_BLOCK_MODE_PROBABILITIES[num_intra_bmodes][num_intra_bmodes][num_intra_bmodes - 1] = { |
100 | | { |
101 | | { 231, 120, 48, 89, 115, 113, 120, 152, 112 }, |
102 | | { 152, 179, 64, 126, 170, 118, 46, 70, 95 }, |
103 | | { 175, 69, 143, 80, 85, 82, 72, 155, 103 }, |
104 | | { 56, 58, 10, 171, 218, 189, 17, 13, 152 }, |
105 | | { 144, 71, 10, 38, 171, 213, 144, 34, 26 }, |
106 | | { 114, 26, 17, 163, 44, 195, 21, 10, 173 }, |
107 | | { 121, 24, 80, 195, 26, 62, 44, 64, 85 }, |
108 | | { 170, 46, 55, 19, 136, 160, 33, 206, 71 }, |
109 | | { 63, 20, 8, 114, 114, 208, 12, 9, 226 }, |
110 | | { 81, 40, 11, 96, 182, 84, 29, 16, 36 } |
111 | | }, |
112 | | { |
113 | | { 134, 183, 89, 137, 98, 101, 106, 165, 148 }, |
114 | | { 72, 187, 100, 130, 157, 111, 32, 75, 80 }, |
115 | | { 66, 102, 167, 99, 74, 62, 40, 234, 128 }, |
116 | | { 41, 53, 9, 178, 241, 141, 26, 8, 107 }, |
117 | | { 104, 79, 12, 27, 217, 255, 87, 17, 7 }, |
118 | | { 74, 43, 26, 146, 73, 166, 49, 23, 157 }, |
119 | | { 65, 38, 105, 160, 51, 52, 31, 115, 128 }, |
120 | | { 87, 68, 71, 44, 114, 51, 15, 186, 23 }, |
121 | | { 47, 41, 14, 110, 182, 183, 21, 17, 194 }, |
122 | | { 66, 45, 25, 102, 197, 189, 23, 18, 22 } |
123 | | }, |
124 | | { |
125 | | { 88, 88, 147, 150, 42, 46, 45, 196, 205 }, |
126 | | { 43, 97, 183, 117, 85, 38, 35, 179, 61 }, |
127 | | { 39, 53, 200, 87, 26, 21, 43, 232, 171 }, |
128 | | { 56, 34, 51, 104, 114, 102, 29, 93, 77 }, |
129 | | { 107, 54, 32, 26, 51, 1, 81, 43, 31 }, |
130 | | { 39, 28, 85, 171, 58, 165, 90, 98, 64 }, |
131 | | { 34, 22, 116, 206, 23, 34, 43, 166, 73 }, |
132 | | { 68, 25, 106, 22, 64, 171, 36, 225, 114 }, |
133 | | { 34, 19, 21, 102, 132, 188, 16, 76, 124 }, |
134 | | { 62, 18, 78, 95, 85, 57, 50, 48, 51 } |
135 | | }, |
136 | | { |
137 | | { 193, 101, 35, 159, 215, 111, 89, 46, 111 }, |
138 | | { 60, 148, 31, 172, 219, 228, 21, 18, 111 }, |
139 | | { 112, 113, 77, 85, 179, 255, 38, 120, 114 }, |
140 | | { 40, 42, 1, 196, 245, 209, 10, 25, 109 }, |
141 | | { 100, 80, 8, 43, 154, 1, 51, 26, 71 }, |
142 | | { 88, 43, 29, 140, 166, 213, 37, 43, 154 }, |
143 | | { 61, 63, 30, 155, 67, 45, 68, 1, 209 }, |
144 | | { 142, 78, 78, 16, 255, 128, 34, 197, 171 }, |
145 | | { 41, 40, 5, 102, 211, 183, 4, 1, 221 }, |
146 | | { 51, 50, 17, 168, 209, 192, 23, 25, 82 } |
147 | | }, |
148 | | { |
149 | | { 125, 98, 42, 88, 104, 85, 117, 175, 82 }, |
150 | | { 95, 84, 53, 89, 128, 100, 113, 101, 45 }, |
151 | | { 75, 79, 123, 47, 51, 128, 81, 171, 1 }, |
152 | | { 57, 17, 5, 71, 102, 57, 53, 41, 49 }, |
153 | | { 115, 21, 2, 10, 102, 255, 166, 23, 6 }, |
154 | | { 38, 33, 13, 121, 57, 73, 26, 1, 85 }, |
155 | | { 41, 10, 67, 138, 77, 110, 90, 47, 114 }, |
156 | | { 101, 29, 16, 10, 85, 128, 101, 196, 26 }, |
157 | | { 57, 18, 10, 102, 102, 213, 34, 20, 43 }, |
158 | | { 117, 20, 15, 36, 163, 128, 68, 1, 26 } |
159 | | }, |
160 | | { |
161 | | { 138, 31, 36, 171, 27, 166, 38, 44, 229 }, |
162 | | { 67, 87, 58, 169, 82, 115, 26, 59, 179 }, |
163 | | { 63, 59, 90, 180, 59, 166, 93, 73, 154 }, |
164 | | { 40, 40, 21, 116, 143, 209, 34, 39, 175 }, |
165 | | { 57, 46, 22, 24, 128, 1, 54, 17, 37 }, |
166 | | { 47, 15, 16, 183, 34, 223, 49, 45, 183 }, |
167 | | { 46, 17, 33, 183, 6, 98, 15, 32, 183 }, |
168 | | { 65, 32, 73, 115, 28, 128, 23, 128, 205 }, |
169 | | { 40, 3, 9, 115, 51, 192, 18, 6, 223 }, |
170 | | { 87, 37, 9, 115, 59, 77, 64, 21, 47 } |
171 | | }, |
172 | | { |
173 | | { 104, 55, 44, 218, 9, 54, 53, 130, 226 }, |
174 | | { 64, 90, 70, 205, 40, 41, 23, 26, 57 }, |
175 | | { 54, 57, 112, 184, 5, 41, 38, 166, 213 }, |
176 | | { 30, 34, 26, 133, 152, 116, 10, 32, 134 }, |
177 | | { 75, 32, 12, 51, 192, 255, 160, 43, 51 }, |
178 | | { 39, 19, 53, 221, 26, 114, 32, 73, 255 }, |
179 | | { 31, 9, 65, 234, 2, 15, 1, 118, 73 }, |
180 | | { 88, 31, 35, 67, 102, 85, 55, 186, 85 }, |
181 | | { 56, 21, 23, 111, 59, 205, 45, 37, 192 }, |
182 | | { 55, 38, 70, 124, 73, 102, 1, 34, 98 } |
183 | | }, |
184 | | { |
185 | | { 102, 61, 71, 37, 34, 53, 31, 243, 192 }, |
186 | | { 69, 60, 71, 38, 73, 119, 28, 222, 37 }, |
187 | | { 68, 45, 128, 34, 1, 47, 11, 245, 171 }, |
188 | | { 62, 17, 19, 70, 146, 85, 55, 62, 70 }, |
189 | | { 75, 15, 9, 9, 64, 255, 184, 119, 16 }, |
190 | | { 37, 43, 37, 154, 100, 163, 85, 160, 1 }, |
191 | | { 63, 9, 92, 136, 28, 64, 32, 201, 85 }, |
192 | | { 86, 6, 28, 5, 64, 255, 25, 248, 1 }, |
193 | | { 56, 8, 17, 132, 137, 255, 55, 116, 128 }, |
194 | | { 58, 15, 20, 82, 135, 57, 26, 121, 40 } |
195 | | }, |
196 | | { |
197 | | { 164, 50, 31, 137, 154, 133, 25, 35, 218 }, |
198 | | { 51, 103, 44, 131, 131, 123, 31, 6, 158 }, |
199 | | { 86, 40, 64, 135, 148, 224, 45, 183, 128 }, |
200 | | { 22, 26, 17, 131, 240, 154, 14, 1, 209 }, |
201 | | { 83, 12, 13, 54, 192, 255, 68, 47, 28 }, |
202 | | { 45, 16, 21, 91, 64, 222, 7, 1, 197 }, |
203 | | { 56, 21, 39, 155, 60, 138, 23, 102, 213 }, |
204 | | { 85, 26, 85, 85, 128, 128, 32, 146, 171 }, |
205 | | { 18, 11, 7, 63, 144, 171, 4, 4, 246 }, |
206 | | { 35, 27, 10, 146, 174, 171, 12, 26, 128 } |
207 | | }, |
208 | | { |
209 | | { 190, 80, 35, 99, 180, 80, 126, 54, 45 }, |
210 | | { 85, 126, 47, 87, 176, 51, 41, 20, 32 }, |
211 | | { 101, 75, 128, 139, 118, 146, 116, 128, 85 }, |
212 | | { 56, 41, 15, 176, 236, 85, 37, 9, 62 }, |
213 | | { 146, 36, 19, 30, 171, 255, 97, 27, 20 }, |
214 | | { 71, 30, 17, 119, 118, 255, 17, 18, 138 }, |
215 | | { 101, 38, 60, 138, 55, 70, 43, 26, 142 }, |
216 | | { 138, 45, 61, 62, 219, 1, 81, 188, 64 }, |
217 | | { 32, 41, 20, 117, 151, 142, 20, 21, 163 }, |
218 | | { 112, 19, 12, 61, 195, 128, 48, 4, 24 } |
219 | | } |
220 | | }; |
221 | | // clang-format on |
222 | | |
223 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-13.2 "Coding of Individual Coefficient Values" |
224 | | enum DCTToken { |
225 | | DCT_0, /* value 0 */ |
226 | | DCT_1, /* 1 */ |
227 | | DCT_2, /* 2 */ |
228 | | DCT_3, /* 3 */ |
229 | | DCT_4, /* 4 */ |
230 | | dct_cat1, /* range 5 - 6 (size 2) */ |
231 | | dct_cat2, /* 7 - 10 (4) */ |
232 | | dct_cat3, /* 11 - 18 (8) */ |
233 | | dct_cat4, /* 19 - 34 (16) */ |
234 | | dct_cat5, /* 35 - 66 (32) */ |
235 | | dct_cat6, /* 67 - 2048 (1982) */ |
236 | | dct_eob, /* end of block */ |
237 | | num_dct_tokens /* 12 */ |
238 | | }; |
239 | | |
240 | | // clang-format off |
241 | | const TreeIndex COEFFICIENT_TREE[2 * (num_dct_tokens - 1)] = { |
242 | | -dct_eob, 2, /* eob = "0" */ |
243 | | -DCT_0, 4, /* 0 = "10" */ |
244 | | -DCT_1, 6, /* 1 = "110" */ |
245 | | 8, 12, |
246 | | -DCT_2, 10, /* 2 = "11100" */ |
247 | | -DCT_3, -DCT_4, /* 3 = "111010", 4 = "111011" */ |
248 | | 14, 16, |
249 | | -dct_cat1, -dct_cat2, /* cat1 = "111100", |
250 | | cat2 = "111101" */ |
251 | | 18, 20, |
252 | | -dct_cat3, -dct_cat4, /* cat3 = "1111100", |
253 | | cat4 = "1111101" */ |
254 | | -dct_cat5, -dct_cat6 /* cat4 = "1111110", |
255 | | cat4 = "1111111" */ |
256 | | }; |
257 | | // clang-format on |
258 | | |
259 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-13.4 "Token Probability Updates" |
260 | | // clang-format off |
261 | | static Prob constexpr COEFFICIENT_UPDATE_PROBABILITIES[4][8][3][num_dct_tokens - 1] = { |
262 | | { |
263 | | { |
264 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
265 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
266 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
267 | | }, |
268 | | { |
269 | | { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
270 | | { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, |
271 | | { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 } |
272 | | }, |
273 | | { |
274 | | { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, |
275 | | { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
276 | | { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
277 | | }, |
278 | | { |
279 | | { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
280 | | { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
281 | | { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } |
282 | | }, |
283 | | { |
284 | | { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
285 | | { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
286 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
287 | | }, |
288 | | { |
289 | | { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
290 | | { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
291 | | { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } |
292 | | }, |
293 | | { |
294 | | { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 }, |
295 | | { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 }, |
296 | | { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
297 | | }, |
298 | | { |
299 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
300 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
301 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
302 | | } |
303 | | }, |
304 | | { |
305 | | { |
306 | | { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
307 | | { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 }, |
308 | | { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 } |
309 | | }, |
310 | | { |
311 | | { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
312 | | { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
313 | | { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 } |
314 | | }, |
315 | | { |
316 | | { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
317 | | { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
318 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
319 | | }, |
320 | | { |
321 | | { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
322 | | { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
323 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
324 | | }, |
325 | | { |
326 | | { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
327 | | { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
328 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
329 | | }, |
330 | | { |
331 | | { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
332 | | { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
333 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
334 | | }, |
335 | | { |
336 | | { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, |
337 | | { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
338 | | { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
339 | | }, |
340 | | { |
341 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
342 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
343 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
344 | | } |
345 | | }, |
346 | | { |
347 | | { |
348 | | { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 }, |
349 | | { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 }, |
350 | | { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 } |
351 | | }, |
352 | | { |
353 | | { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
354 | | { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
355 | | { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 } |
356 | | }, |
357 | | { |
358 | | { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
359 | | { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
360 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
361 | | }, |
362 | | { |
363 | | { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
364 | | { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
365 | | { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
366 | | }, |
367 | | { |
368 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
369 | | { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
370 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
371 | | }, |
372 | | { |
373 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
374 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
375 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
376 | | }, |
377 | | { |
378 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
379 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
380 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
381 | | }, |
382 | | { |
383 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
384 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
385 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
386 | | } |
387 | | }, |
388 | | { |
389 | | { |
390 | | { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
391 | | { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 }, |
392 | | { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 } |
393 | | }, |
394 | | { |
395 | | { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, |
396 | | { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, |
397 | | { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 } |
398 | | }, |
399 | | { |
400 | | { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 }, |
401 | | { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, |
402 | | { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 } |
403 | | }, |
404 | | { |
405 | | { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
406 | | { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
407 | | { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 } |
408 | | }, |
409 | | { |
410 | | { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, |
411 | | { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
412 | | { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
413 | | }, |
414 | | { |
415 | | { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
416 | | { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 }, |
417 | | { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 } |
418 | | }, |
419 | | { |
420 | | { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 }, |
421 | | { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
422 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
423 | | }, |
424 | | { |
425 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
426 | | { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 }, |
427 | | { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } |
428 | | } |
429 | | } |
430 | | }; |
431 | | // clang-format on |
432 | | |
433 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-13.5 "Default Token Probability Table" |
434 | | // clang-format off |
435 | | static Prob constexpr DEFAULT_COEFFICIENT_PROBABILITIES[4][8][3][num_dct_tokens - 1] = { |
436 | | { |
437 | | { |
438 | | { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
439 | | { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
440 | | { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
441 | | }, |
442 | | { |
443 | | { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 }, |
444 | | { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 }, |
445 | | { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 }, |
446 | | }, |
447 | | { |
448 | | { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 }, |
449 | | { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 }, |
450 | | { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 }, |
451 | | }, |
452 | | { |
453 | | { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 }, |
454 | | { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 }, |
455 | | { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 }, |
456 | | }, |
457 | | { |
458 | | { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 }, |
459 | | { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 }, |
460 | | { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 }, |
461 | | }, |
462 | | { |
463 | | { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 }, |
464 | | { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 }, |
465 | | { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 }, |
466 | | }, |
467 | | { |
468 | | { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 }, |
469 | | { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 }, |
470 | | { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 }, |
471 | | }, |
472 | | { |
473 | | { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
474 | | { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
475 | | { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
476 | | }, |
477 | | }, |
478 | | { |
479 | | { |
480 | | { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 }, |
481 | | { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 }, |
482 | | { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 }, |
483 | | }, |
484 | | { |
485 | | { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 }, |
486 | | { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 }, |
487 | | { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 }, |
488 | | }, |
489 | | { |
490 | | { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 }, |
491 | | { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 }, |
492 | | { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 }, |
493 | | }, |
494 | | { |
495 | | { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 }, |
496 | | { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 }, |
497 | | { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 }, |
498 | | }, |
499 | | { |
500 | | { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 }, |
501 | | { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 }, |
502 | | { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 }, |
503 | | }, |
504 | | { |
505 | | { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 }, |
506 | | { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 }, |
507 | | { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 }, |
508 | | }, |
509 | | { |
510 | | { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 }, |
511 | | { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 }, |
512 | | { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 }, |
513 | | }, |
514 | | { |
515 | | { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 }, |
516 | | { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, |
517 | | { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 }, |
518 | | }, |
519 | | }, |
520 | | { |
521 | | { |
522 | | { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 }, |
523 | | { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 }, |
524 | | { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 }, |
525 | | }, |
526 | | { |
527 | | { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 }, |
528 | | { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 }, |
529 | | { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 }, |
530 | | }, |
531 | | { |
532 | | { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 }, |
533 | | { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 }, |
534 | | { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 }, |
535 | | }, |
536 | | { |
537 | | { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 }, |
538 | | { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 }, |
539 | | { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, |
540 | | }, |
541 | | { |
542 | | { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 }, |
543 | | { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 }, |
544 | | { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
545 | | }, |
546 | | { |
547 | | { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
548 | | { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
549 | | { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
550 | | }, |
551 | | { |
552 | | { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 }, |
553 | | { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 }, |
554 | | { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
555 | | }, |
556 | | { |
557 | | { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
558 | | { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
559 | | { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }, |
560 | | }, |
561 | | }, |
562 | | { |
563 | | { |
564 | | { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 }, |
565 | | { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 }, |
566 | | { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 }, |
567 | | }, |
568 | | { |
569 | | { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 }, |
570 | | { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 }, |
571 | | { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 }, |
572 | | }, |
573 | | { |
574 | | { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 }, |
575 | | { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 }, |
576 | | { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 }, |
577 | | }, |
578 | | { |
579 | | { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 }, |
580 | | { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 }, |
581 | | { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 }, |
582 | | }, |
583 | | { |
584 | | { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 }, |
585 | | { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 }, |
586 | | { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 }, |
587 | | }, |
588 | | { |
589 | | { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 }, |
590 | | { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 }, |
591 | | { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 }, |
592 | | }, |
593 | | { |
594 | | { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 }, |
595 | | { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 }, |
596 | | { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 }, |
597 | | }, |
598 | | { |
599 | | { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
600 | | { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
601 | | { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 }, |
602 | | }, |
603 | | }, |
604 | | }; |
605 | | // clang-format on |
606 | | |
607 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-14.1 "Dequantization" |
608 | | // clang-format off |
609 | | static int constexpr dc_qlookup[] = { |
610 | | 4, 5, 6, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, |
611 | | 16, 17, 17, 18, 19, 20, 20, 21, 21, 22, 22, 23, 23, |
612 | | 24, 25, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, |
613 | | 36, 37, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 46, |
614 | | 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, |
615 | | 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, |
616 | | 73, 74, 75, 76, 76, 77, 78, 79, 80, 81, 82, 83, 84, |
617 | | 85, 86, 87, 88, 89, 91, 93, 95, 96, 98, 100, 101, 102, |
618 | | 104, 106, 108, 110, 112, 114, 116, 118, 122, 124, 126, 128, 130, |
619 | | 132, 134, 136, 138, 140, 143, 145, 148, 151, 154, 157, |
620 | | }; |
621 | | static int constexpr ac_qlookup[] = { |
622 | | 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, |
623 | | 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, |
624 | | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, |
625 | | 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, |
626 | | 56, 57, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, |
627 | | 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, |
628 | | 106, 108, 110, 112, 114, 116, 119, 122, 125, 128, 131, 134, 137, |
629 | | 140, 143, 146, 149, 152, 155, 158, 161, 164, 167, 170, 173, 177, |
630 | | 181, 185, 189, 193, 197, 201, 205, 209, 213, 217, 221, 225, 229, |
631 | | 234, 239, 245, 249, 254, 259, 264, 269, 274, 279, 284, |
632 | | }; |
633 | | // clang-format on |
634 | | |
635 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-14.3 "Implementation of the WHT Inversion" |
636 | | inline void vp8_short_inv_walsh4x4_c(i16 const* input, i16* output) |
637 | 64.2k | { |
638 | 64.2k | i16 const* ip = input; |
639 | 64.2k | i16* op = output; |
640 | | |
641 | 321k | for (int i = 0; i < 4; i++) { |
642 | 257k | int a1 = ip[0] + ip[12]; |
643 | 257k | int b1 = ip[4] + ip[8]; |
644 | 257k | int c1 = ip[4] - ip[8]; |
645 | 257k | int d1 = ip[0] - ip[12]; |
646 | | |
647 | 257k | op[0] = a1 + b1; |
648 | 257k | op[4] = c1 + d1; |
649 | 257k | op[8] = a1 - b1; |
650 | 257k | op[12] = d1 - c1; |
651 | 257k | ip++; |
652 | 257k | op++; |
653 | 257k | } |
654 | | |
655 | 64.2k | ip = output; |
656 | 64.2k | op = output; |
657 | 321k | for (int i = 0; i < 4; i++) { |
658 | 257k | int a1 = ip[0] + ip[3]; |
659 | 257k | int b1 = ip[1] + ip[2]; |
660 | 257k | int c1 = ip[1] - ip[2]; |
661 | 257k | int d1 = ip[0] - ip[3]; |
662 | | |
663 | 257k | int a2 = a1 + b1; |
664 | 257k | int b2 = c1 + d1; |
665 | 257k | int c2 = a1 - b1; |
666 | 257k | int d2 = d1 - c1; |
667 | 257k | op[0] = (a2 + 3) >> 3; |
668 | 257k | op[1] = (b2 + 3) >> 3; |
669 | 257k | op[2] = (c2 + 3) >> 3; |
670 | 257k | op[3] = (d2 + 3) >> 3; |
671 | | |
672 | 257k | ip += 4; |
673 | 257k | op += 4; |
674 | 257k | } |
675 | 64.2k | } |
676 | | |
677 | | // https://datatracker.ietf.org/doc/html/rfc6386#section-14.4 "Implementation of the DCT Inversion" |
678 | | inline void short_idct4x4llm_c(i16 const* input, i16* output, int pitch) |
679 | 3.33M | { |
680 | 3.33M | static constexpr int cospi8sqrt2minus1 = 20091; |
681 | 3.33M | static constexpr int sinpi8sqrt2 = 35468; |
682 | | |
683 | 3.33M | i16 const* ip = input; |
684 | 3.33M | i16* op = output; |
685 | 3.33M | int shortpitch = pitch >> 1; |
686 | | |
687 | 16.6M | for (int i = 0; i < 4; i++) { |
688 | 13.3M | int a1 = ip[0] + ip[8]; |
689 | 13.3M | int b1 = ip[0] - ip[8]; |
690 | | |
691 | 13.3M | int temp1 = (ip[4] * sinpi8sqrt2) >> 16; |
692 | 13.3M | int temp2 = ip[12] + ((ip[12] * cospi8sqrt2minus1) >> 16); |
693 | 13.3M | int c1 = temp1 - temp2; |
694 | | |
695 | 13.3M | temp1 = ip[4] + ((ip[4] * cospi8sqrt2minus1) >> 16); |
696 | 13.3M | temp2 = (ip[12] * sinpi8sqrt2) >> 16; |
697 | 13.3M | int d1 = temp1 + temp2; |
698 | | |
699 | 13.3M | op[shortpitch * 0] = a1 + d1; |
700 | 13.3M | op[shortpitch * 3] = a1 - d1; |
701 | 13.3M | op[shortpitch * 1] = b1 + c1; |
702 | 13.3M | op[shortpitch * 2] = b1 - c1; |
703 | | |
704 | 13.3M | ip++; |
705 | 13.3M | op++; |
706 | 13.3M | } |
707 | | |
708 | 3.33M | ip = output; |
709 | 3.33M | op = output; |
710 | 16.6M | for (int i = 0; i < 4; i++) { |
711 | 13.3M | int a1 = ip[0] + ip[2]; |
712 | 13.3M | int b1 = ip[0] - ip[2]; |
713 | | |
714 | 13.3M | int temp1 = (ip[1] * sinpi8sqrt2) >> 16; |
715 | 13.3M | int temp2 = ip[3] + ((ip[3] * cospi8sqrt2minus1) >> 16); |
716 | 13.3M | int c1 = temp1 - temp2; |
717 | | |
718 | 13.3M | temp1 = ip[1] + ((ip[1] * cospi8sqrt2minus1) >> 16); |
719 | 13.3M | temp2 = (ip[3] * sinpi8sqrt2) >> 16; |
720 | 13.3M | int d1 = temp1 + temp2; |
721 | | |
722 | 13.3M | op[0] = (a1 + d1 + 4) >> 3; |
723 | 13.3M | op[3] = (a1 - d1 + 4) >> 3; |
724 | 13.3M | op[1] = (b1 + c1 + 4) >> 3; |
725 | 13.3M | op[2] = (b1 - c1 + 4) >> 3; |
726 | | |
727 | 13.3M | ip += shortpitch; |
728 | 13.3M | op += shortpitch; |
729 | 13.3M | } |
730 | 3.33M | } |
731 | | |
732 | | } |