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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * V4L2 VP9 helpers.
4 *
5 * Copyright (C) 2021 Collabora, Ltd.
6 *
7 * Author: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
8 */
9
10#include <linux/module.h>
11
12#include <media/v4l2-vp9.h>
13
14const u8 v4l2_vp9_kf_y_mode_prob[10][10][9] = {
15 {
16 /* above = dc */
17 { 137, 30, 42, 148, 151, 207, 70, 52, 91 }, /*left = dc */
18 { 92, 45, 102, 136, 116, 180, 74, 90, 100 }, /*left = v */
19 { 73, 32, 19, 187, 222, 215, 46, 34, 100 }, /*left = h */
20 { 91, 30, 32, 116, 121, 186, 93, 86, 94 }, /*left = d45 */
21 { 72, 35, 36, 149, 68, 206, 68, 63, 105 }, /*left = d135*/
22 { 73, 31, 28, 138, 57, 124, 55, 122, 151 }, /*left = d117*/
23 { 67, 23, 21, 140, 126, 197, 40, 37, 171 }, /*left = d153*/
24 { 86, 27, 28, 128, 154, 212, 45, 43, 53 }, /*left = d207*/
25 { 74, 32, 27, 107, 86, 160, 63, 134, 102 }, /*left = d63 */
26 { 59, 67, 44, 140, 161, 202, 78, 67, 119 }, /*left = tm */
27 }, { /* above = v */
28 { 63, 36, 126, 146, 123, 158, 60, 90, 96 }, /*left = dc */
29 { 43, 46, 168, 134, 107, 128, 69, 142, 92 }, /*left = v */
30 { 44, 29, 68, 159, 201, 177, 50, 57, 77 }, /*left = h */
31 { 58, 38, 76, 114, 97, 172, 78, 133, 92 }, /*left = d45 */
32 { 46, 41, 76, 140, 63, 184, 69, 112, 57 }, /*left = d135*/
33 { 38, 32, 85, 140, 46, 112, 54, 151, 133 }, /*left = d117*/
34 { 39, 27, 61, 131, 110, 175, 44, 75, 136 }, /*left = d153*/
35 { 52, 30, 74, 113, 130, 175, 51, 64, 58 }, /*left = d207*/
36 { 47, 35, 80, 100, 74, 143, 64, 163, 74 }, /*left = d63 */
37 { 36, 61, 116, 114, 128, 162, 80, 125, 82 }, /*left = tm */
38 }, { /* above = h */
39 { 82, 26, 26, 171, 208, 204, 44, 32, 105 }, /*left = dc */
40 { 55, 44, 68, 166, 179, 192, 57, 57, 108 }, /*left = v */
41 { 42, 26, 11, 199, 241, 228, 23, 15, 85 }, /*left = h */
42 { 68, 42, 19, 131, 160, 199, 55, 52, 83 }, /*left = d45 */
43 { 58, 50, 25, 139, 115, 232, 39, 52, 118 }, /*left = d135*/
44 { 50, 35, 33, 153, 104, 162, 64, 59, 131 }, /*left = d117*/
45 { 44, 24, 16, 150, 177, 202, 33, 19, 156 }, /*left = d153*/
46 { 55, 27, 12, 153, 203, 218, 26, 27, 49 }, /*left = d207*/
47 { 53, 49, 21, 110, 116, 168, 59, 80, 76 }, /*left = d63 */
48 { 38, 72, 19, 168, 203, 212, 50, 50, 107 }, /*left = tm */
49 }, { /* above = d45 */
50 { 103, 26, 36, 129, 132, 201, 83, 80, 93 }, /*left = dc */
51 { 59, 38, 83, 112, 103, 162, 98, 136, 90 }, /*left = v */
52 { 62, 30, 23, 158, 200, 207, 59, 57, 50 }, /*left = h */
53 { 67, 30, 29, 84, 86, 191, 102, 91, 59 }, /*left = d45 */
54 { 60, 32, 33, 112, 71, 220, 64, 89, 104 }, /*left = d135*/
55 { 53, 26, 34, 130, 56, 149, 84, 120, 103 }, /*left = d117*/
56 { 53, 21, 23, 133, 109, 210, 56, 77, 172 }, /*left = d153*/
57 { 77, 19, 29, 112, 142, 228, 55, 66, 36 }, /*left = d207*/
58 { 61, 29, 29, 93, 97, 165, 83, 175, 162 }, /*left = d63 */
59 { 47, 47, 43, 114, 137, 181, 100, 99, 95 }, /*left = tm */
60 }, { /* above = d135 */
61 { 69, 23, 29, 128, 83, 199, 46, 44, 101 }, /*left = dc */
62 { 53, 40, 55, 139, 69, 183, 61, 80, 110 }, /*left = v */
63 { 40, 29, 19, 161, 180, 207, 43, 24, 91 }, /*left = h */
64 { 60, 34, 19, 105, 61, 198, 53, 64, 89 }, /*left = d45 */
65 { 52, 31, 22, 158, 40, 209, 58, 62, 89 }, /*left = d135*/
66 { 44, 31, 29, 147, 46, 158, 56, 102, 198 }, /*left = d117*/
67 { 35, 19, 12, 135, 87, 209, 41, 45, 167 }, /*left = d153*/
68 { 55, 25, 21, 118, 95, 215, 38, 39, 66 }, /*left = d207*/
69 { 51, 38, 25, 113, 58, 164, 70, 93, 97 }, /*left = d63 */
70 { 47, 54, 34, 146, 108, 203, 72, 103, 151 }, /*left = tm */
71 }, { /* above = d117 */
72 { 64, 19, 37, 156, 66, 138, 49, 95, 133 }, /*left = dc */
73 { 46, 27, 80, 150, 55, 124, 55, 121, 135 }, /*left = v */
74 { 36, 23, 27, 165, 149, 166, 54, 64, 118 }, /*left = h */
75 { 53, 21, 36, 131, 63, 163, 60, 109, 81 }, /*left = d45 */
76 { 40, 26, 35, 154, 40, 185, 51, 97, 123 }, /*left = d135*/
77 { 35, 19, 34, 179, 19, 97, 48, 129, 124 }, /*left = d117*/
78 { 36, 20, 26, 136, 62, 164, 33, 77, 154 }, /*left = d153*/
79 { 45, 18, 32, 130, 90, 157, 40, 79, 91 }, /*left = d207*/
80 { 45, 26, 28, 129, 45, 129, 49, 147, 123 }, /*left = d63 */
81 { 38, 44, 51, 136, 74, 162, 57, 97, 121 }, /*left = tm */
82 }, { /* above = d153 */
83 { 75, 17, 22, 136, 138, 185, 32, 34, 166 }, /*left = dc */
84 { 56, 39, 58, 133, 117, 173, 48, 53, 187 }, /*left = v */
85 { 35, 21, 12, 161, 212, 207, 20, 23, 145 }, /*left = h */
86 { 56, 29, 19, 117, 109, 181, 55, 68, 112 }, /*left = d45 */
87 { 47, 29, 17, 153, 64, 220, 59, 51, 114 }, /*left = d135*/
88 { 46, 16, 24, 136, 76, 147, 41, 64, 172 }, /*left = d117*/
89 { 34, 17, 11, 108, 152, 187, 13, 15, 209 }, /*left = d153*/
90 { 51, 24, 14, 115, 133, 209, 32, 26, 104 }, /*left = d207*/
91 { 55, 30, 18, 122, 79, 179, 44, 88, 116 }, /*left = d63 */
92 { 37, 49, 25, 129, 168, 164, 41, 54, 148 }, /*left = tm */
93 }, { /* above = d207 */
94 { 82, 22, 32, 127, 143, 213, 39, 41, 70 }, /*left = dc */
95 { 62, 44, 61, 123, 105, 189, 48, 57, 64 }, /*left = v */
96 { 47, 25, 17, 175, 222, 220, 24, 30, 86 }, /*left = h */
97 { 68, 36, 17, 106, 102, 206, 59, 74, 74 }, /*left = d45 */
98 { 57, 39, 23, 151, 68, 216, 55, 63, 58 }, /*left = d135*/
99 { 49, 30, 35, 141, 70, 168, 82, 40, 115 }, /*left = d117*/
100 { 51, 25, 15, 136, 129, 202, 38, 35, 139 }, /*left = d153*/
101 { 68, 26, 16, 111, 141, 215, 29, 28, 28 }, /*left = d207*/
102 { 59, 39, 19, 114, 75, 180, 77, 104, 42 }, /*left = d63 */
103 { 40, 61, 26, 126, 152, 206, 61, 59, 93 }, /*left = tm */
104 }, { /* above = d63 */
105 { 78, 23, 39, 111, 117, 170, 74, 124, 94 }, /*left = dc */
106 { 48, 34, 86, 101, 92, 146, 78, 179, 134 }, /*left = v */
107 { 47, 22, 24, 138, 187, 178, 68, 69, 59 }, /*left = h */
108 { 56, 25, 33, 105, 112, 187, 95, 177, 129 }, /*left = d45 */
109 { 48, 31, 27, 114, 63, 183, 82, 116, 56 }, /*left = d135*/
110 { 43, 28, 37, 121, 63, 123, 61, 192, 169 }, /*left = d117*/
111 { 42, 17, 24, 109, 97, 177, 56, 76, 122 }, /*left = d153*/
112 { 58, 18, 28, 105, 139, 182, 70, 92, 63 }, /*left = d207*/
113 { 46, 23, 32, 74, 86, 150, 67, 183, 88 }, /*left = d63 */
114 { 36, 38, 48, 92, 122, 165, 88, 137, 91 }, /*left = tm */
115 }, { /* above = tm */
116 { 65, 70, 60, 155, 159, 199, 61, 60, 81 }, /*left = dc */
117 { 44, 78, 115, 132, 119, 173, 71, 112, 93 }, /*left = v */
118 { 39, 38, 21, 184, 227, 206, 42, 32, 64 }, /*left = h */
119 { 58, 47, 36, 124, 137, 193, 80, 82, 78 }, /*left = d45 */
120 { 49, 50, 35, 144, 95, 205, 63, 78, 59 }, /*left = d135*/
121 { 41, 53, 52, 148, 71, 142, 65, 128, 51 }, /*left = d117*/
122 { 40, 36, 28, 143, 143, 202, 40, 55, 137 }, /*left = d153*/
123 { 52, 34, 29, 129, 183, 227, 42, 35, 43 }, /*left = d207*/
124 { 42, 44, 44, 104, 105, 164, 64, 130, 80 }, /*left = d63 */
125 { 43, 81, 53, 140, 169, 204, 68, 84, 72 }, /*left = tm */
126 }
127};
128EXPORT_SYMBOL_GPL(v4l2_vp9_kf_y_mode_prob);
129
130const u8 v4l2_vp9_kf_partition_probs[16][3] = {
131 /* 8x8 -> 4x4 */
132 { 158, 97, 94 }, /* a/l both not split */
133 { 93, 24, 99 }, /* a split, l not split */
134 { 85, 119, 44 }, /* l split, a not split */
135 { 62, 59, 67 }, /* a/l both split */
136 /* 16x16 -> 8x8 */
137 { 149, 53, 53 }, /* a/l both not split */
138 { 94, 20, 48 }, /* a split, l not split */
139 { 83, 53, 24 }, /* l split, a not split */
140 { 52, 18, 18 }, /* a/l both split */
141 /* 32x32 -> 16x16 */
142 { 150, 40, 39 }, /* a/l both not split */
143 { 78, 12, 26 }, /* a split, l not split */
144 { 67, 33, 11 }, /* l split, a not split */
145 { 24, 7, 5 }, /* a/l both split */
146 /* 64x64 -> 32x32 */
147 { 174, 35, 49 }, /* a/l both not split */
148 { 68, 11, 27 }, /* a split, l not split */
149 { 57, 15, 9 }, /* l split, a not split */
150 { 12, 3, 3 }, /* a/l both split */
151};
152EXPORT_SYMBOL_GPL(v4l2_vp9_kf_partition_probs);
153
154const u8 v4l2_vp9_kf_uv_mode_prob[10][9] = {
155 { 144, 11, 54, 157, 195, 130, 46, 58, 108 }, /* y = dc */
156 { 118, 15, 123, 148, 131, 101, 44, 93, 131 }, /* y = v */
157 { 113, 12, 23, 188, 226, 142, 26, 32, 125 }, /* y = h */
158 { 120, 11, 50, 123, 163, 135, 64, 77, 103 }, /* y = d45 */
159 { 113, 9, 36, 155, 111, 157, 32, 44, 161 }, /* y = d135 */
160 { 116, 9, 55, 176, 76, 96, 37, 61, 149 }, /* y = d117 */
161 { 115, 9, 28, 141, 161, 167, 21, 25, 193 }, /* y = d153 */
162 { 120, 12, 32, 145, 195, 142, 32, 38, 86 }, /* y = d207 */
163 { 116, 12, 64, 120, 140, 125, 49, 115, 121 }, /* y = d63 */
164 { 102, 19, 66, 162, 182, 122, 35, 59, 128 } /* y = tm */
165};
166EXPORT_SYMBOL_GPL(v4l2_vp9_kf_uv_mode_prob);
167
168const struct v4l2_vp9_frame_context v4l2_vp9_default_probs = {
169 .tx8 = {
170 { 100 },
171 { 66 },
172 },
173 .tx16 = {
174 { 20, 152 },
175 { 15, 101 },
176 },
177 .tx32 = {
178 { 3, 136, 37 },
179 { 5, 52, 13 },
180 },
181 .coef = {
182 { /* tx = 4x4 */
183 { /* block Type 0 */
184 { /* Intra */
185 { /* Coeff Band 0 */
186 { 195, 29, 183 },
187 { 84, 49, 136 },
188 { 8, 42, 71 },
189 { 0, 0, 0 },
190 { 0, 0, 0 },
191 { 0, 0, 0 },
192 },
193 { /* Coeff Band 1 */
194 { 31, 107, 169 },
195 { 35, 99, 159 },
196 { 17, 82, 140 },
197 { 8, 66, 114 },
198 { 2, 44, 76 },
199 { 1, 19, 32 },
200 },
201 { /* Coeff Band 2 */
202 { 40, 132, 201 },
203 { 29, 114, 187 },
204 { 13, 91, 157 },
205 { 7, 75, 127 },
206 { 3, 58, 95 },
207 { 1, 28, 47 },
208 },
209 { /* Coeff Band 3 */
210 { 69, 142, 221 },
211 { 42, 122, 201 },
212 { 15, 91, 159 },
213 { 6, 67, 121 },
214 { 1, 42, 77 },
215 { 1, 17, 31 },
216 },
217 { /* Coeff Band 4 */
218 { 102, 148, 228 },
219 { 67, 117, 204 },
220 { 17, 82, 154 },
221 { 6, 59, 114 },
222 { 2, 39, 75 },
223 { 1, 15, 29 },
224 },
225 { /* Coeff Band 5 */
226 { 156, 57, 233 },
227 { 119, 57, 212 },
228 { 58, 48, 163 },
229 { 29, 40, 124 },
230 { 12, 30, 81 },
231 { 3, 12, 31 }
232 },
233 },
234 { /* Inter */
235 { /* Coeff Band 0 */
236 { 191, 107, 226 },
237 { 124, 117, 204 },
238 { 25, 99, 155 },
239 { 0, 0, 0 },
240 { 0, 0, 0 },
241 { 0, 0, 0 },
242 },
243 { /* Coeff Band 1 */
244 { 29, 148, 210 },
245 { 37, 126, 194 },
246 { 8, 93, 157 },
247 { 2, 68, 118 },
248 { 1, 39, 69 },
249 { 1, 17, 33 },
250 },
251 { /* Coeff Band 2 */
252 { 41, 151, 213 },
253 { 27, 123, 193 },
254 { 3, 82, 144 },
255 { 1, 58, 105 },
256 { 1, 32, 60 },
257 { 1, 13, 26 },
258 },
259 { /* Coeff Band 3 */
260 { 59, 159, 220 },
261 { 23, 126, 198 },
262 { 4, 88, 151 },
263 { 1, 66, 114 },
264 { 1, 38, 71 },
265 { 1, 18, 34 },
266 },
267 { /* Coeff Band 4 */
268 { 114, 136, 232 },
269 { 51, 114, 207 },
270 { 11, 83, 155 },
271 { 3, 56, 105 },
272 { 1, 33, 65 },
273 { 1, 17, 34 },
274 },
275 { /* Coeff Band 5 */
276 { 149, 65, 234 },
277 { 121, 57, 215 },
278 { 61, 49, 166 },
279 { 28, 36, 114 },
280 { 12, 25, 76 },
281 { 3, 16, 42 },
282 },
283 },
284 },
285 { /* block Type 1 */
286 { /* Intra */
287 { /* Coeff Band 0 */
288 { 214, 49, 220 },
289 { 132, 63, 188 },
290 { 42, 65, 137 },
291 { 0, 0, 0 },
292 { 0, 0, 0 },
293 { 0, 0, 0 },
294 },
295 { /* Coeff Band 1 */
296 { 85, 137, 221 },
297 { 104, 131, 216 },
298 { 49, 111, 192 },
299 { 21, 87, 155 },
300 { 2, 49, 87 },
301 { 1, 16, 28 },
302 },
303 { /* Coeff Band 2 */
304 { 89, 163, 230 },
305 { 90, 137, 220 },
306 { 29, 100, 183 },
307 { 10, 70, 135 },
308 { 2, 42, 81 },
309 { 1, 17, 33 },
310 },
311 { /* Coeff Band 3 */
312 { 108, 167, 237 },
313 { 55, 133, 222 },
314 { 15, 97, 179 },
315 { 4, 72, 135 },
316 { 1, 45, 85 },
317 { 1, 19, 38 },
318 },
319 { /* Coeff Band 4 */
320 { 124, 146, 240 },
321 { 66, 124, 224 },
322 { 17, 88, 175 },
323 { 4, 58, 122 },
324 { 1, 36, 75 },
325 { 1, 18, 37 },
326 },
327 { /* Coeff Band 5 */
328 { 141, 79, 241 },
329 { 126, 70, 227 },
330 { 66, 58, 182 },
331 { 30, 44, 136 },
332 { 12, 34, 96 },
333 { 2, 20, 47 },
334 },
335 },
336 { /* Inter */
337 { /* Coeff Band 0 */
338 { 229, 99, 249 },
339 { 143, 111, 235 },
340 { 46, 109, 192 },
341 { 0, 0, 0 },
342 { 0, 0, 0 },
343 { 0, 0, 0 },
344 },
345 { /* Coeff Band 1 */
346 { 82, 158, 236 },
347 { 94, 146, 224 },
348 { 25, 117, 191 },
349 { 9, 87, 149 },
350 { 3, 56, 99 },
351 { 1, 33, 57 },
352 },
353 { /* Coeff Band 2 */
354 { 83, 167, 237 },
355 { 68, 145, 222 },
356 { 10, 103, 177 },
357 { 2, 72, 131 },
358 { 1, 41, 79 },
359 { 1, 20, 39 },
360 },
361 { /* Coeff Band 3 */
362 { 99, 167, 239 },
363 { 47, 141, 224 },
364 { 10, 104, 178 },
365 { 2, 73, 133 },
366 { 1, 44, 85 },
367 { 1, 22, 47 },
368 },
369 { /* Coeff Band 4 */
370 { 127, 145, 243 },
371 { 71, 129, 228 },
372 { 17, 93, 177 },
373 { 3, 61, 124 },
374 { 1, 41, 84 },
375 { 1, 21, 52 },
376 },
377 { /* Coeff Band 5 */
378 { 157, 78, 244 },
379 { 140, 72, 231 },
380 { 69, 58, 184 },
381 { 31, 44, 137 },
382 { 14, 38, 105 },
383 { 8, 23, 61 },
384 },
385 },
386 },
387 },
388 { /* tx = 8x8 */
389 { /* block Type 0 */
390 { /* Intra */
391 { /* Coeff Band 0 */
392 { 125, 34, 187 },
393 { 52, 41, 133 },
394 { 6, 31, 56 },
395 { 0, 0, 0 },
396 { 0, 0, 0 },
397 { 0, 0, 0 },
398 },
399 { /* Coeff Band 1 */
400 { 37, 109, 153 },
401 { 51, 102, 147 },
402 { 23, 87, 128 },
403 { 8, 67, 101 },
404 { 1, 41, 63 },
405 { 1, 19, 29 },
406 },
407 { /* Coeff Band 2 */
408 { 31, 154, 185 },
409 { 17, 127, 175 },
410 { 6, 96, 145 },
411 { 2, 73, 114 },
412 { 1, 51, 82 },
413 { 1, 28, 45 },
414 },
415 { /* Coeff Band 3 */
416 { 23, 163, 200 },
417 { 10, 131, 185 },
418 { 2, 93, 148 },
419 { 1, 67, 111 },
420 { 1, 41, 69 },
421 { 1, 14, 24 },
422 },
423 { /* Coeff Band 4 */
424 { 29, 176, 217 },
425 { 12, 145, 201 },
426 { 3, 101, 156 },
427 { 1, 69, 111 },
428 { 1, 39, 63 },
429 { 1, 14, 23 },
430 },
431 { /* Coeff Band 5 */
432 { 57, 192, 233 },
433 { 25, 154, 215 },
434 { 6, 109, 167 },
435 { 3, 78, 118 },
436 { 1, 48, 69 },
437 { 1, 21, 29 },
438 },
439 },
440 { /* Inter */
441 { /* Coeff Band 0 */
442 { 202, 105, 245 },
443 { 108, 106, 216 },
444 { 18, 90, 144 },
445 { 0, 0, 0 },
446 { 0, 0, 0 },
447 { 0, 0, 0 },
448 },
449 { /* Coeff Band 1 */
450 { 33, 172, 219 },
451 { 64, 149, 206 },
452 { 14, 117, 177 },
453 { 5, 90, 141 },
454 { 2, 61, 95 },
455 { 1, 37, 57 },
456 },
457 { /* Coeff Band 2 */
458 { 33, 179, 220 },
459 { 11, 140, 198 },
460 { 1, 89, 148 },
461 { 1, 60, 104 },
462 { 1, 33, 57 },
463 { 1, 12, 21 },
464 },
465 { /* Coeff Band 3 */
466 { 30, 181, 221 },
467 { 8, 141, 198 },
468 { 1, 87, 145 },
469 { 1, 58, 100 },
470 { 1, 31, 55 },
471 { 1, 12, 20 },
472 },
473 { /* Coeff Band 4 */
474 { 32, 186, 224 },
475 { 7, 142, 198 },
476 { 1, 86, 143 },
477 { 1, 58, 100 },
478 { 1, 31, 55 },
479 { 1, 12, 22 },
480 },
481 { /* Coeff Band 5 */
482 { 57, 192, 227 },
483 { 20, 143, 204 },
484 { 3, 96, 154 },
485 { 1, 68, 112 },
486 { 1, 42, 69 },
487 { 1, 19, 32 },
488 },
489 },
490 },
491 { /* block Type 1 */
492 { /* Intra */
493 { /* Coeff Band 0 */
494 { 212, 35, 215 },
495 { 113, 47, 169 },
496 { 29, 48, 105 },
497 { 0, 0, 0 },
498 { 0, 0, 0 },
499 { 0, 0, 0 },
500 },
501 { /* Coeff Band 1 */
502 { 74, 129, 203 },
503 { 106, 120, 203 },
504 { 49, 107, 178 },
505 { 19, 84, 144 },
506 { 4, 50, 84 },
507 { 1, 15, 25 },
508 },
509 { /* Coeff Band 2 */
510 { 71, 172, 217 },
511 { 44, 141, 209 },
512 { 15, 102, 173 },
513 { 6, 76, 133 },
514 { 2, 51, 89 },
515 { 1, 24, 42 },
516 },
517 { /* Coeff Band 3 */
518 { 64, 185, 231 },
519 { 31, 148, 216 },
520 { 8, 103, 175 },
521 { 3, 74, 131 },
522 { 1, 46, 81 },
523 { 1, 18, 30 },
524 },
525 { /* Coeff Band 4 */
526 { 65, 196, 235 },
527 { 25, 157, 221 },
528 { 5, 105, 174 },
529 { 1, 67, 120 },
530 { 1, 38, 69 },
531 { 1, 15, 30 },
532 },
533 { /* Coeff Band 5 */
534 { 65, 204, 238 },
535 { 30, 156, 224 },
536 { 7, 107, 177 },
537 { 2, 70, 124 },
538 { 1, 42, 73 },
539 { 1, 18, 34 },
540 },
541 },
542 { /* Inter */
543 { /* Coeff Band 0 */
544 { 225, 86, 251 },
545 { 144, 104, 235 },
546 { 42, 99, 181 },
547 { 0, 0, 0 },
548 { 0, 0, 0 },
549 { 0, 0, 0 },
550 },
551 { /* Coeff Band 1 */
552 { 85, 175, 239 },
553 { 112, 165, 229 },
554 { 29, 136, 200 },
555 { 12, 103, 162 },
556 { 6, 77, 123 },
557 { 2, 53, 84 },
558 },
559 { /* Coeff Band 2 */
560 { 75, 183, 239 },
561 { 30, 155, 221 },
562 { 3, 106, 171 },
563 { 1, 74, 128 },
564 { 1, 44, 76 },
565 { 1, 17, 28 },
566 },
567 { /* Coeff Band 3 */
568 { 73, 185, 240 },
569 { 27, 159, 222 },
570 { 2, 107, 172 },
571 { 1, 75, 127 },
572 { 1, 42, 73 },
573 { 1, 17, 29 },
574 },
575 { /* Coeff Band 4 */
576 { 62, 190, 238 },
577 { 21, 159, 222 },
578 { 2, 107, 172 },
579 { 1, 72, 122 },
580 { 1, 40, 71 },
581 { 1, 18, 32 },
582 },
583 { /* Coeff Band 5 */
584 { 61, 199, 240 },
585 { 27, 161, 226 },
586 { 4, 113, 180 },
587 { 1, 76, 129 },
588 { 1, 46, 80 },
589 { 1, 23, 41 },
590 },
591 },
592 },
593 },
594 { /* tx = 16x16 */
595 { /* block Type 0 */
596 { /* Intra */
597 { /* Coeff Band 0 */
598 { 7, 27, 153 },
599 { 5, 30, 95 },
600 { 1, 16, 30 },
601 { 0, 0, 0 },
602 { 0, 0, 0 },
603 { 0, 0, 0 },
604 },
605 { /* Coeff Band 1 */
606 { 50, 75, 127 },
607 { 57, 75, 124 },
608 { 27, 67, 108 },
609 { 10, 54, 86 },
610 { 1, 33, 52 },
611 { 1, 12, 18 },
612 },
613 { /* Coeff Band 2 */
614 { 43, 125, 151 },
615 { 26, 108, 148 },
616 { 7, 83, 122 },
617 { 2, 59, 89 },
618 { 1, 38, 60 },
619 { 1, 17, 27 },
620 },
621 { /* Coeff Band 3 */
622 { 23, 144, 163 },
623 { 13, 112, 154 },
624 { 2, 75, 117 },
625 { 1, 50, 81 },
626 { 1, 31, 51 },
627 { 1, 14, 23 },
628 },
629 { /* Coeff Band 4 */
630 { 18, 162, 185 },
631 { 6, 123, 171 },
632 { 1, 78, 125 },
633 { 1, 51, 86 },
634 { 1, 31, 54 },
635 { 1, 14, 23 },
636 },
637 { /* Coeff Band 5 */
638 { 15, 199, 227 },
639 { 3, 150, 204 },
640 { 1, 91, 146 },
641 { 1, 55, 95 },
642 { 1, 30, 53 },
643 { 1, 11, 20 },
644 }
645 },
646 { /* Inter */
647 { /* Coeff Band 0 */
648 { 19, 55, 240 },
649 { 19, 59, 196 },
650 { 3, 52, 105 },
651 { 0, 0, 0 },
652 { 0, 0, 0 },
653 { 0, 0, 0 },
654 },
655 { /* Coeff Band 1 */
656 { 41, 166, 207 },
657 { 104, 153, 199 },
658 { 31, 123, 181 },
659 { 14, 101, 152 },
660 { 5, 72, 106 },
661 { 1, 36, 52 },
662 },
663 { /* Coeff Band 2 */
664 { 35, 176, 211 },
665 { 12, 131, 190 },
666 { 2, 88, 144 },
667 { 1, 60, 101 },
668 { 1, 36, 60 },
669 { 1, 16, 28 },
670 },
671 { /* Coeff Band 3 */
672 { 28, 183, 213 },
673 { 8, 134, 191 },
674 { 1, 86, 142 },
675 { 1, 56, 96 },
676 { 1, 30, 53 },
677 { 1, 12, 20 },
678 },
679 { /* Coeff Band 4 */
680 { 20, 190, 215 },
681 { 4, 135, 192 },
682 { 1, 84, 139 },
683 { 1, 53, 91 },
684 { 1, 28, 49 },
685 { 1, 11, 20 },
686 },
687 { /* Coeff Band 5 */
688 { 13, 196, 216 },
689 { 2, 137, 192 },
690 { 1, 86, 143 },
691 { 1, 57, 99 },
692 { 1, 32, 56 },
693 { 1, 13, 24 },
694 },
695 },
696 },
697 { /* block Type 1 */
698 { /* Intra */
699 { /* Coeff Band 0 */
700 { 211, 29, 217 },
701 { 96, 47, 156 },
702 { 22, 43, 87 },
703 { 0, 0, 0 },
704 { 0, 0, 0 },
705 { 0, 0, 0 },
706 },
707 { /* Coeff Band 1 */
708 { 78, 120, 193 },
709 { 111, 116, 186 },
710 { 46, 102, 164 },
711 { 15, 80, 128 },
712 { 2, 49, 76 },
713 { 1, 18, 28 },
714 },
715 { /* Coeff Band 2 */
716 { 71, 161, 203 },
717 { 42, 132, 192 },
718 { 10, 98, 150 },
719 { 3, 69, 109 },
720 { 1, 44, 70 },
721 { 1, 18, 29 },
722 },
723 { /* Coeff Band 3 */
724 { 57, 186, 211 },
725 { 30, 140, 196 },
726 { 4, 93, 146 },
727 { 1, 62, 102 },
728 { 1, 38, 65 },
729 { 1, 16, 27 },
730 },
731 { /* Coeff Band 4 */
732 { 47, 199, 217 },
733 { 14, 145, 196 },
734 { 1, 88, 142 },
735 { 1, 57, 98 },
736 { 1, 36, 62 },
737 { 1, 15, 26 },
738 },
739 { /* Coeff Band 5 */
740 { 26, 219, 229 },
741 { 5, 155, 207 },
742 { 1, 94, 151 },
743 { 1, 60, 104 },
744 { 1, 36, 62 },
745 { 1, 16, 28 },
746 }
747 },
748 { /* Inter */
749 { /* Coeff Band 0 */
750 { 233, 29, 248 },
751 { 146, 47, 220 },
752 { 43, 52, 140 },
753 { 0, 0, 0 },
754 { 0, 0, 0 },
755 { 0, 0, 0 },
756 },
757 { /* Coeff Band 1 */
758 { 100, 163, 232 },
759 { 179, 161, 222 },
760 { 63, 142, 204 },
761 { 37, 113, 174 },
762 { 26, 89, 137 },
763 { 18, 68, 97 },
764 },
765 { /* Coeff Band 2 */
766 { 85, 181, 230 },
767 { 32, 146, 209 },
768 { 7, 100, 164 },
769 { 3, 71, 121 },
770 { 1, 45, 77 },
771 { 1, 18, 30 },
772 },
773 { /* Coeff Band 3 */
774 { 65, 187, 230 },
775 { 20, 148, 207 },
776 { 2, 97, 159 },
777 { 1, 68, 116 },
778 { 1, 40, 70 },
779 { 1, 14, 29 },
780 },
781 { /* Coeff Band 4 */
782 { 40, 194, 227 },
783 { 8, 147, 204 },
784 { 1, 94, 155 },
785 { 1, 65, 112 },
786 { 1, 39, 66 },
787 { 1, 14, 26 },
788 },
789 { /* Coeff Band 5 */
790 { 16, 208, 228 },
791 { 3, 151, 207 },
792 { 1, 98, 160 },
793 { 1, 67, 117 },
794 { 1, 41, 74 },
795 { 1, 17, 31 },
796 },
797 },
798 },
799 },
800 { /* tx = 32x32 */
801 { /* block Type 0 */
802 { /* Intra */
803 { /* Coeff Band 0 */
804 { 17, 38, 140 },
805 { 7, 34, 80 },
806 { 1, 17, 29 },
807 { 0, 0, 0 },
808 { 0, 0, 0 },
809 { 0, 0, 0 },
810 },
811 { /* Coeff Band 1 */
812 { 37, 75, 128 },
813 { 41, 76, 128 },
814 { 26, 66, 116 },
815 { 12, 52, 94 },
816 { 2, 32, 55 },
817 { 1, 10, 16 },
818 },
819 { /* Coeff Band 2 */
820 { 50, 127, 154 },
821 { 37, 109, 152 },
822 { 16, 82, 121 },
823 { 5, 59, 85 },
824 { 1, 35, 54 },
825 { 1, 13, 20 },
826 },
827 { /* Coeff Band 3 */
828 { 40, 142, 167 },
829 { 17, 110, 157 },
830 { 2, 71, 112 },
831 { 1, 44, 72 },
832 { 1, 27, 45 },
833 { 1, 11, 17 },
834 },
835 { /* Coeff Band 4 */
836 { 30, 175, 188 },
837 { 9, 124, 169 },
838 { 1, 74, 116 },
839 { 1, 48, 78 },
840 { 1, 30, 49 },
841 { 1, 11, 18 },
842 },
843 { /* Coeff Band 5 */
844 { 10, 222, 223 },
845 { 2, 150, 194 },
846 { 1, 83, 128 },
847 { 1, 48, 79 },
848 { 1, 27, 45 },
849 { 1, 11, 17 },
850 },
851 },
852 { /* Inter */
853 { /* Coeff Band 0 */
854 { 36, 41, 235 },
855 { 29, 36, 193 },
856 { 10, 27, 111 },
857 { 0, 0, 0 },
858 { 0, 0, 0 },
859 { 0, 0, 0 },
860 },
861 { /* Coeff Band 1 */
862 { 85, 165, 222 },
863 { 177, 162, 215 },
864 { 110, 135, 195 },
865 { 57, 113, 168 },
866 { 23, 83, 120 },
867 { 10, 49, 61 },
868 },
869 { /* Coeff Band 2 */
870 { 85, 190, 223 },
871 { 36, 139, 200 },
872 { 5, 90, 146 },
873 { 1, 60, 103 },
874 { 1, 38, 65 },
875 { 1, 18, 30 },
876 },
877 { /* Coeff Band 3 */
878 { 72, 202, 223 },
879 { 23, 141, 199 },
880 { 2, 86, 140 },
881 { 1, 56, 97 },
882 { 1, 36, 61 },
883 { 1, 16, 27 },
884 },
885 { /* Coeff Band 4 */
886 { 55, 218, 225 },
887 { 13, 145, 200 },
888 { 1, 86, 141 },
889 { 1, 57, 99 },
890 { 1, 35, 61 },
891 { 1, 13, 22 },
892 },
893 { /* Coeff Band 5 */
894 { 15, 235, 212 },
895 { 1, 132, 184 },
896 { 1, 84, 139 },
897 { 1, 57, 97 },
898 { 1, 34, 56 },
899 { 1, 14, 23 },
900 },
901 },
902 },
903 { /* block Type 1 */
904 { /* Intra */
905 { /* Coeff Band 0 */
906 { 181, 21, 201 },
907 { 61, 37, 123 },
908 { 10, 38, 71 },
909 { 0, 0, 0 },
910 { 0, 0, 0 },
911 { 0, 0, 0 },
912 },
913 { /* Coeff Band 1 */
914 { 47, 106, 172 },
915 { 95, 104, 173 },
916 { 42, 93, 159 },
917 { 18, 77, 131 },
918 { 4, 50, 81 },
919 { 1, 17, 23 },
920 },
921 { /* Coeff Band 2 */
922 { 62, 147, 199 },
923 { 44, 130, 189 },
924 { 28, 102, 154 },
925 { 18, 75, 115 },
926 { 2, 44, 65 },
927 { 1, 12, 19 },
928 },
929 { /* Coeff Band 3 */
930 { 55, 153, 210 },
931 { 24, 130, 194 },
932 { 3, 93, 146 },
933 { 1, 61, 97 },
934 { 1, 31, 50 },
935 { 1, 10, 16 },
936 },
937 { /* Coeff Band 4 */
938 { 49, 186, 223 },
939 { 17, 148, 204 },
940 { 1, 96, 142 },
941 { 1, 53, 83 },
942 { 1, 26, 44 },
943 { 1, 11, 17 },
944 },
945 { /* Coeff Band 5 */
946 { 13, 217, 212 },
947 { 2, 136, 180 },
948 { 1, 78, 124 },
949 { 1, 50, 83 },
950 { 1, 29, 49 },
951 { 1, 14, 23 },
952 },
953 },
954 { /* Inter */
955 { /* Coeff Band 0 */
956 { 197, 13, 247 },
957 { 82, 17, 222 },
958 { 25, 17, 162 },
959 { 0, 0, 0 },
960 { 0, 0, 0 },
961 { 0, 0, 0 },
962 },
963 { /* Coeff Band 1 */
964 { 126, 186, 247 },
965 { 234, 191, 243 },
966 { 176, 177, 234 },
967 { 104, 158, 220 },
968 { 66, 128, 186 },
969 { 55, 90, 137 },
970 },
971 { /* Coeff Band 2 */
972 { 111, 197, 242 },
973 { 46, 158, 219 },
974 { 9, 104, 171 },
975 { 2, 65, 125 },
976 { 1, 44, 80 },
977 { 1, 17, 91 },
978 },
979 { /* Coeff Band 3 */
980 { 104, 208, 245 },
981 { 39, 168, 224 },
982 { 3, 109, 162 },
983 { 1, 79, 124 },
984 { 1, 50, 102 },
985 { 1, 43, 102 },
986 },
987 { /* Coeff Band 4 */
988 { 84, 220, 246 },
989 { 31, 177, 231 },
990 { 2, 115, 180 },
991 { 1, 79, 134 },
992 { 1, 55, 77 },
993 { 1, 60, 79 },
994 },
995 { /* Coeff Band 5 */
996 { 43, 243, 240 },
997 { 8, 180, 217 },
998 { 1, 115, 166 },
999 { 1, 84, 121 },
1000 { 1, 51, 67 },
1001 { 1, 16, 6 },
1002 },
1003 },
1004 },
1005 },
1006 },
1007
1008 .skip = { 192, 128, 64 },
1009 .inter_mode = {
1010 { 2, 173, 34 },
1011 { 7, 145, 85 },
1012 { 7, 166, 63 },
1013 { 7, 94, 66 },
1014 { 8, 64, 46 },
1015 { 17, 81, 31 },
1016 { 25, 29, 30 },
1017 },
1018 .interp_filter = {
1019 { 235, 162 },
1020 { 36, 255 },
1021 { 34, 3 },
1022 { 149, 144 },
1023 },
1024 .is_inter = { 9, 102, 187, 225 },
1025 .comp_mode = { 239, 183, 119, 96, 41 },
1026 .single_ref = {
1027 { 33, 16 },
1028 { 77, 74 },
1029 { 142, 142 },
1030 { 172, 170 },
1031 { 238, 247 },
1032 },
1033 .comp_ref = { 50, 126, 123, 221, 226 },
1034 .y_mode = {
1035 { 65, 32, 18, 144, 162, 194, 41, 51, 98 },
1036 { 132, 68, 18, 165, 217, 196, 45, 40, 78 },
1037 { 173, 80, 19, 176, 240, 193, 64, 35, 46 },
1038 { 221, 135, 38, 194, 248, 121, 96, 85, 29 },
1039 },
1040 .uv_mode = {
1041 { 120, 7, 76, 176, 208, 126, 28, 54, 103 } /* y = dc */,
1042 { 48, 12, 154, 155, 139, 90, 34, 117, 119 } /* y = v */,
1043 { 67, 6, 25, 204, 243, 158, 13, 21, 96 } /* y = h */,
1044 { 97, 5, 44, 131, 176, 139, 48, 68, 97 } /* y = d45 */,
1045 { 83, 5, 42, 156, 111, 152, 26, 49, 152 } /* y = d135 */,
1046 { 80, 5, 58, 178, 74, 83, 33, 62, 145 } /* y = d117 */,
1047 { 86, 5, 32, 154, 192, 168, 14, 22, 163 } /* y = d153 */,
1048 { 85, 5, 32, 156, 216, 148, 19, 29, 73 } /* y = d207 */,
1049 { 77, 7, 64, 116, 132, 122, 37, 126, 120 } /* y = d63 */,
1050 { 101, 21, 107, 181, 192, 103, 19, 67, 125 } /* y = tm */
1051 },
1052 .partition = {
1053 /* 8x8 -> 4x4 */
1054 { 199, 122, 141 } /* a/l both not split */,
1055 { 147, 63, 159 } /* a split, l not split */,
1056 { 148, 133, 118 } /* l split, a not split */,
1057 { 121, 104, 114 } /* a/l both split */,
1058 /* 16x16 -> 8x8 */
1059 { 174, 73, 87 } /* a/l both not split */,
1060 { 92, 41, 83 } /* a split, l not split */,
1061 { 82, 99, 50 } /* l split, a not split */,
1062 { 53, 39, 39 } /* a/l both split */,
1063 /* 32x32 -> 16x16 */
1064 { 177, 58, 59 } /* a/l both not split */,
1065 { 68, 26, 63 } /* a split, l not split */,
1066 { 52, 79, 25 } /* l split, a not split */,
1067 { 17, 14, 12 } /* a/l both split */,
1068 /* 64x64 -> 32x32 */
1069 { 222, 34, 30 } /* a/l both not split */,
1070 { 72, 16, 44 } /* a split, l not split */,
1071 { 58, 32, 12 } /* l split, a not split */,
1072 { 10, 7, 6 } /* a/l both split */,
1073 },
1074
1075 .mv = {
1076 .joint = { 32, 64, 96 },
1077 .sign = { 128, 128 },
1078 .classes = {
1079 { 224, 144, 192, 168, 192, 176, 192, 198, 198, 245 },
1080 { 216, 128, 176, 160, 176, 176, 192, 198, 198, 208 },
1081 },
1082 .class0_bit = { 216, 208 },
1083 .bits = {
1084 { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240},
1085 { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240},
1086 },
1087 .class0_fr = {
1088 {
1089 { 128, 128, 64 },
1090 { 96, 112, 64 },
1091 },
1092 {
1093 { 128, 128, 64 },
1094 { 96, 112, 64 },
1095 },
1096 },
1097 .fr = {
1098 { 64, 96, 64 },
1099 { 64, 96, 64 },
1100 },
1101 .class0_hp = { 160, 160 },
1102 .hp = { 128, 128 },
1103 },
1104};
1105EXPORT_SYMBOL_GPL(v4l2_vp9_default_probs);
1106
1107static u32 fastdiv(u32 dividend, u16 divisor)
1108{
1109#define DIV_INV(d) ((u32)(((1ULL << 32) + ((d) - 1)) / (d)))
1110#define DIVS_INV(d0, d1, d2, d3, d4, d5, d6, d7, d8, d9) \
1111 DIV_INV(d0), DIV_INV(d1), DIV_INV(d2), DIV_INV(d3), \
1112 DIV_INV(d4), DIV_INV(d5), DIV_INV(d6), DIV_INV(d7), \
1113 DIV_INV(d8), DIV_INV(d9)
1114
1115 static const u32 inv[] = {
1116 DIV_INV(2), DIV_INV(3), DIV_INV(4), DIV_INV(5),
1117 DIV_INV(6), DIV_INV(7), DIV_INV(8), DIV_INV(9),
1118 DIVS_INV(10, 11, 12, 13, 14, 15, 16, 17, 18, 19),
1119 DIVS_INV(20, 21, 22, 23, 24, 25, 26, 27, 28, 29),
1120 DIVS_INV(30, 31, 32, 33, 34, 35, 36, 37, 38, 39),
1121 DIVS_INV(40, 41, 42, 43, 44, 45, 46, 47, 48, 49),
1122 DIVS_INV(50, 51, 52, 53, 54, 55, 56, 57, 58, 59),
1123 DIVS_INV(60, 61, 62, 63, 64, 65, 66, 67, 68, 69),
1124 DIVS_INV(70, 71, 72, 73, 74, 75, 76, 77, 78, 79),
1125 DIVS_INV(80, 81, 82, 83, 84, 85, 86, 87, 88, 89),
1126 DIVS_INV(90, 91, 92, 93, 94, 95, 96, 97, 98, 99),
1127 DIVS_INV(100, 101, 102, 103, 104, 105, 106, 107, 108, 109),
1128 DIVS_INV(110, 111, 112, 113, 114, 115, 116, 117, 118, 119),
1129 DIVS_INV(120, 121, 122, 123, 124, 125, 126, 127, 128, 129),
1130 DIVS_INV(130, 131, 132, 133, 134, 135, 136, 137, 138, 139),
1131 DIVS_INV(140, 141, 142, 143, 144, 145, 146, 147, 148, 149),
1132 DIVS_INV(150, 151, 152, 153, 154, 155, 156, 157, 158, 159),
1133 DIVS_INV(160, 161, 162, 163, 164, 165, 166, 167, 168, 169),
1134 DIVS_INV(170, 171, 172, 173, 174, 175, 176, 177, 178, 179),
1135 DIVS_INV(180, 181, 182, 183, 184, 185, 186, 187, 188, 189),
1136 DIVS_INV(190, 191, 192, 193, 194, 195, 196, 197, 198, 199),
1137 DIVS_INV(200, 201, 202, 203, 204, 205, 206, 207, 208, 209),
1138 DIVS_INV(210, 211, 212, 213, 214, 215, 216, 217, 218, 219),
1139 DIVS_INV(220, 221, 222, 223, 224, 225, 226, 227, 228, 229),
1140 DIVS_INV(230, 231, 232, 233, 234, 235, 236, 237, 238, 239),
1141 DIVS_INV(240, 241, 242, 243, 244, 245, 246, 247, 248, 249),
1142 DIV_INV(250), DIV_INV(251), DIV_INV(252), DIV_INV(253),
1143 DIV_INV(254), DIV_INV(255), DIV_INV(256),
1144 };
1145
1146 if (divisor == 0)
1147 return 0;
1148 else if (divisor == 1)
1149 return dividend;
1150
1151 if (WARN_ON(divisor - 2 >= ARRAY_SIZE(inv)))
1152 return dividend;
1153
1154 return ((u64)dividend * inv[divisor - 2]) >> 32;
1155}
1156
1157/* 6.3.6 inv_recenter_nonneg(v, m) */
1158static int inv_recenter_nonneg(int v, int m)
1159{
1160 if (v > 2 * m)
1161 return v;
1162
1163 if (v & 1)
1164 return m - ((v + 1) >> 1);
1165
1166 return m + (v >> 1);
1167}
1168
1169/*
1170 * part of 6.3.5 inv_remap_prob(deltaProb, prob)
1171 * delta = inv_map_table[deltaProb] done by userspace
1172 */
1173static int update_prob(int delta, int prob)
1174{
1175 if (!delta)
1176 return prob;
1177
1178 return prob <= 128 ?
1179 1 + inv_recenter_nonneg(delta, prob - 1) :
1180 255 - inv_recenter_nonneg(delta, 255 - prob);
1181}
1182
1183/* Counterpart to 6.3.2 tx_mode_probs() */
1184static void update_tx_probs(struct v4l2_vp9_frame_context *probs,
1185 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1186{
1187 int i;
1188
1189 for (i = 0; i < ARRAY_SIZE(probs->tx8); i++) {
1190 u8 *p8x8 = probs->tx8[i];
1191 u8 *p16x16 = probs->tx16[i];
1192 u8 *p32x32 = probs->tx32[i];
1193 const u8 *d8x8 = deltas->tx8[i];
1194 const u8 *d16x16 = deltas->tx16[i];
1195 const u8 *d32x32 = deltas->tx32[i];
1196
1197 p8x8[0] = update_prob(d8x8[0], p8x8[0]);
1198 p16x16[0] = update_prob(d16x16[0], p16x16[0]);
1199 p16x16[1] = update_prob(d16x16[1], p16x16[1]);
1200 p32x32[0] = update_prob(d32x32[0], p32x32[0]);
1201 p32x32[1] = update_prob(d32x32[1], p32x32[1]);
1202 p32x32[2] = update_prob(d32x32[2], p32x32[2]);
1203 }
1204}
1205
1206#define BAND_6(band) ((band) == 0 ? 3 : 6)
1207
1208static void update_coeff(const u8 deltas[6][6][3], u8 probs[6][6][3])
1209{
1210 int l, m, n;
1211
1212 for (l = 0; l < 6; l++)
1213 for (m = 0; m < BAND_6(l); m++) {
1214 u8 *p = probs[l][m];
1215 const u8 *d = deltas[l][m];
1216
1217 for (n = 0; n < 3; n++)
1218 p[n] = update_prob(d[n], p[n]);
1219 }
1220}
1221
1222/* Counterpart to 6.3.7 read_coef_probs() */
1223static void update_coef_probs(struct v4l2_vp9_frame_context *probs,
1224 const struct v4l2_ctrl_vp9_compressed_hdr *deltas,
1225 const struct v4l2_ctrl_vp9_frame *dec_params)
1226{
1227 int i, j, k;
1228
1229 for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
1230 for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++)
1231 for (k = 0; k < ARRAY_SIZE(probs->coef[0][0]); k++)
1232 update_coeff(deltas->coef[i][j][k], probs->coef[i][j][k]);
1233
1234 if (deltas->tx_mode == i)
1235 break;
1236 }
1237}
1238
1239/* Counterpart to 6.3.8 read_skip_prob() */
1240static void update_skip_probs(struct v4l2_vp9_frame_context *probs,
1241 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1242{
1243 int i;
1244
1245 for (i = 0; i < ARRAY_SIZE(probs->skip); i++)
1246 probs->skip[i] = update_prob(deltas->skip[i], probs->skip[i]);
1247}
1248
1249/* Counterpart to 6.3.9 read_inter_mode_probs() */
1250static void update_inter_mode_probs(struct v4l2_vp9_frame_context *probs,
1251 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1252{
1253 int i;
1254
1255 for (i = 0; i < ARRAY_SIZE(probs->inter_mode); i++) {
1256 u8 *p = probs->inter_mode[i];
1257 const u8 *d = deltas->inter_mode[i];
1258
1259 p[0] = update_prob(d[0], p[0]);
1260 p[1] = update_prob(d[1], p[1]);
1261 p[2] = update_prob(d[2], p[2]);
1262 }
1263}
1264
1265/* Counterpart to 6.3.10 read_interp_filter_probs() */
1266static void update_interp_filter_probs(struct v4l2_vp9_frame_context *probs,
1267 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1268{
1269 int i;
1270
1271 for (i = 0; i < ARRAY_SIZE(probs->interp_filter); i++) {
1272 u8 *p = probs->interp_filter[i];
1273 const u8 *d = deltas->interp_filter[i];
1274
1275 p[0] = update_prob(d[0], p[0]);
1276 p[1] = update_prob(d[1], p[1]);
1277 }
1278}
1279
1280/* Counterpart to 6.3.11 read_is_inter_probs() */
1281static void update_is_inter_probs(struct v4l2_vp9_frame_context *probs,
1282 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1283{
1284 int i;
1285
1286 for (i = 0; i < ARRAY_SIZE(probs->is_inter); i++)
1287 probs->is_inter[i] = update_prob(deltas->is_inter[i], probs->is_inter[i]);
1288}
1289
1290/* 6.3.12 frame_reference_mode() done entirely in userspace */
1291
1292/* Counterpart to 6.3.13 frame_reference_mode_probs() */
1293static void
1294update_frame_reference_mode_probs(unsigned int reference_mode,
1295 struct v4l2_vp9_frame_context *probs,
1296 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1297{
1298 int i;
1299
1300 if (reference_mode == V4L2_VP9_REFERENCE_MODE_SELECT)
1301 for (i = 0; i < ARRAY_SIZE(probs->comp_mode); i++)
1302 probs->comp_mode[i] = update_prob(deltas->comp_mode[i],
1303 probs->comp_mode[i]);
1304
1305 if (reference_mode != V4L2_VP9_REFERENCE_MODE_COMPOUND_REFERENCE)
1306 for (i = 0; i < ARRAY_SIZE(probs->single_ref); i++) {
1307 u8 *p = probs->single_ref[i];
1308 const u8 *d = deltas->single_ref[i];
1309
1310 p[0] = update_prob(d[0], p[0]);
1311 p[1] = update_prob(d[1], p[1]);
1312 }
1313
1314 if (reference_mode != V4L2_VP9_REFERENCE_MODE_SINGLE_REFERENCE)
1315 for (i = 0; i < ARRAY_SIZE(probs->comp_ref); i++)
1316 probs->comp_ref[i] = update_prob(deltas->comp_ref[i], probs->comp_ref[i]);
1317}
1318
1319/* Counterpart to 6.3.14 read_y_mode_probs() */
1320static void update_y_mode_probs(struct v4l2_vp9_frame_context *probs,
1321 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1322{
1323 int i, j;
1324
1325 for (i = 0; i < ARRAY_SIZE(probs->y_mode); i++)
1326 for (j = 0; j < ARRAY_SIZE(probs->y_mode[0]); ++j)
1327 probs->y_mode[i][j] =
1328 update_prob(deltas->y_mode[i][j], probs->y_mode[i][j]);
1329}
1330
1331/* Counterpart to 6.3.15 read_partition_probs() */
1332static void update_partition_probs(struct v4l2_vp9_frame_context *probs,
1333 const struct v4l2_ctrl_vp9_compressed_hdr *deltas)
1334{
1335 int i, j;
1336
1337 for (i = 0; i < 4; i++)
1338 for (j = 0; j < 4; j++) {
1339 u8 *p = probs->partition[i * 4 + j];
1340 const u8 *d = deltas->partition[i * 4 + j];
1341
1342 p[0] = update_prob(d[0], p[0]);
1343 p[1] = update_prob(d[1], p[1]);
1344 p[2] = update_prob(d[2], p[2]);
1345 }
1346}
1347
1348static inline int update_mv_prob(int delta, int prob)
1349{
1350 if (!delta)
1351 return prob;
1352
1353 return delta;
1354}
1355
1356/* Counterpart to 6.3.16 mv_probs() */
1357static void update_mv_probs(struct v4l2_vp9_frame_context *probs,
1358 const struct v4l2_ctrl_vp9_compressed_hdr *deltas,
1359 const struct v4l2_ctrl_vp9_frame *dec_params)
1360{
1361 u8 *p = probs->mv.joint;
1362 const u8 *d = deltas->mv.joint;
1363 unsigned int i, j;
1364
1365 p[0] = update_mv_prob(d[0], p[0]);
1366 p[1] = update_mv_prob(d[1], p[1]);
1367 p[2] = update_mv_prob(d[2], p[2]);
1368
1369 for (i = 0; i < ARRAY_SIZE(probs->mv.sign); i++) {
1370 p = probs->mv.sign;
1371 d = deltas->mv.sign;
1372 p[i] = update_mv_prob(d[i], p[i]);
1373
1374 p = probs->mv.classes[i];
1375 d = deltas->mv.classes[i];
1376 for (j = 0; j < ARRAY_SIZE(probs->mv.classes[0]); j++)
1377 p[j] = update_mv_prob(d[j], p[j]);
1378
1379 p = probs->mv.class0_bit;
1380 d = deltas->mv.class0_bit;
1381 p[i] = update_mv_prob(d[i], p[i]);
1382
1383 p = probs->mv.bits[i];
1384 d = deltas->mv.bits[i];
1385 for (j = 0; j < ARRAY_SIZE(probs->mv.bits[0]); j++)
1386 p[j] = update_mv_prob(d[j], p[j]);
1387
1388 for (j = 0; j < ARRAY_SIZE(probs->mv.class0_fr[0]); j++) {
1389 p = probs->mv.class0_fr[i][j];
1390 d = deltas->mv.class0_fr[i][j];
1391
1392 p[0] = update_mv_prob(d[0], p[0]);
1393 p[1] = update_mv_prob(d[1], p[1]);
1394 p[2] = update_mv_prob(d[2], p[2]);
1395 }
1396
1397 p = probs->mv.fr[i];
1398 d = deltas->mv.fr[i];
1399 for (j = 0; j < ARRAY_SIZE(probs->mv.fr[i]); j++)
1400 p[j] = update_mv_prob(d[j], p[j]);
1401
1402 if (dec_params->flags & V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV) {
1403 p = probs->mv.class0_hp;
1404 d = deltas->mv.class0_hp;
1405 p[i] = update_mv_prob(d[i], p[i]);
1406
1407 p = probs->mv.hp;
1408 d = deltas->mv.hp;
1409 p[i] = update_mv_prob(d[i], p[i]);
1410 }
1411 }
1412}
1413
1414/* Counterpart to 6.3 compressed_header(), but parsing has been done in userspace. */
1415void v4l2_vp9_fw_update_probs(struct v4l2_vp9_frame_context *probs,
1416 const struct v4l2_ctrl_vp9_compressed_hdr *deltas,
1417 const struct v4l2_ctrl_vp9_frame *dec_params)
1418{
1419 if (deltas->tx_mode == V4L2_VP9_TX_MODE_SELECT)
1420 update_tx_probs(probs, deltas);
1421
1422 update_coef_probs(probs, deltas, dec_params);
1423
1424 update_skip_probs(probs, deltas);
1425
1426 if (dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME ||
1427 dec_params->flags & V4L2_VP9_FRAME_FLAG_INTRA_ONLY)
1428 return;
1429
1430 update_inter_mode_probs(probs, deltas);
1431
1432 if (dec_params->interpolation_filter == V4L2_VP9_INTERP_FILTER_SWITCHABLE)
1433 update_interp_filter_probs(probs, deltas);
1434
1435 update_is_inter_probs(probs, deltas);
1436
1437 update_frame_reference_mode_probs(dec_params->reference_mode, probs, deltas);
1438
1439 update_y_mode_probs(probs, deltas);
1440
1441 update_partition_probs(probs, deltas);
1442
1443 update_mv_probs(probs, deltas, dec_params);
1444}
1445EXPORT_SYMBOL_GPL(v4l2_vp9_fw_update_probs);
1446
1447u8 v4l2_vp9_reset_frame_ctx(const struct v4l2_ctrl_vp9_frame *dec_params,
1448 struct v4l2_vp9_frame_context *frame_context)
1449{
1450 int i;
1451
1452 u8 fctx_idx = dec_params->frame_context_idx;
1453
1454 if (dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME ||
1455 dec_params->flags & V4L2_VP9_FRAME_FLAG_INTRA_ONLY ||
1456 dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) {
1457 /*
1458 * setup_past_independence()
1459 * We do nothing here. Instead of storing default probs in some intermediate
1460 * location and then copying from that location to appropriate contexts
1461 * in save_probs() below, we skip that step and save default probs directly
1462 * to appropriate contexts.
1463 */
1464 if (dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME ||
1465 dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT ||
1466 dec_params->reset_frame_context == V4L2_VP9_RESET_FRAME_CTX_ALL)
1467 for (i = 0; i < 4; ++i)
1468 /* save_probs(i) */
1469 memcpy(&frame_context[i], &v4l2_vp9_default_probs,
1470 sizeof(v4l2_vp9_default_probs));
1471 else if (dec_params->reset_frame_context == V4L2_VP9_RESET_FRAME_CTX_SPEC)
1472 /* save_probs(fctx_idx) */
1473 memcpy(&frame_context[fctx_idx], &v4l2_vp9_default_probs,
1474 sizeof(v4l2_vp9_default_probs));
1475 fctx_idx = 0;
1476 }
1477
1478 return fctx_idx;
1479}
1480EXPORT_SYMBOL_GPL(v4l2_vp9_reset_frame_ctx);
1481
1482/* 8.4.1 Merge prob process */
1483static u8 merge_prob(u8 pre_prob, u32 ct0, u32 ct1, u16 count_sat, u32 max_update_factor)
1484{
1485 u32 den, prob, count, factor;
1486
1487 den = ct0 + ct1;
1488 if (!den) {
1489 /*
1490 * prob = 128, count = 0, update_factor = 0
1491 * Round2's argument: pre_prob * 256
1492 * (pre_prob * 256 + 128) >> 8 == pre_prob
1493 */
1494 return pre_prob;
1495 }
1496
1497 prob = clamp(((ct0 << 8) + (den >> 1)) / den, (u32)1, (u32)255);
1498 count = min_t(u32, den, count_sat);
1499 factor = fastdiv(max_update_factor * count, count_sat);
1500
1501 /*
1502 * Round2(pre_prob * (256 - factor) + prob * factor, 8)
1503 * Round2(pre_prob * 256 + (prob - pre_prob) * factor, 8)
1504 * (pre_prob * 256 >> 8) + (((prob - pre_prob) * factor + 128) >> 8)
1505 */
1506 return pre_prob + (((prob - pre_prob) * factor + 128) >> 8);
1507}
1508
1509static inline u8 noncoef_merge_prob(u8 pre_prob, u32 ct0, u32 ct1)
1510{
1511 return merge_prob(pre_prob, ct0, ct1, 20, 128);
1512}
1513
1514/* 8.4.2 Merge probs process */
1515/*
1516 * merge_probs() is a recursive function in the spec. We avoid recursion in the kernel.
1517 * That said, the "tree" parameter of merge_probs() controls how deep the recursion goes.
1518 * It turns out that in all cases the recursive calls boil down to a short-ish series
1519 * of merge_prob() invocations (note no "s").
1520 *
1521 * Variant A
1522 * ---------
1523 * merge_probs(small_token_tree, 2):
1524 * merge_prob(p[1], c[0], c[1] + c[2])
1525 * merge_prob(p[2], c[1], c[2])
1526 *
1527 * Variant B
1528 * ---------
1529 * merge_probs(binary_tree, 0) or
1530 * merge_probs(tx_size_8_tree, 0):
1531 * merge_prob(p[0], c[0], c[1])
1532 *
1533 * Variant C
1534 * ---------
1535 * merge_probs(inter_mode_tree, 0):
1536 * merge_prob(p[0], c[2], c[1] + c[0] + c[3])
1537 * merge_prob(p[1], c[0], c[1] + c[3])
1538 * merge_prob(p[2], c[1], c[3])
1539 *
1540 * Variant D
1541 * ---------
1542 * merge_probs(intra_mode_tree, 0):
1543 * merge_prob(p[0], c[0], c[1] + ... + c[9])
1544 * merge_prob(p[1], c[9], c[1] + ... + c[8])
1545 * merge_prob(p[2], c[1], c[2] + ... + c[8])
1546 * merge_prob(p[3], c[2] + c[4] + c[5], c[3] + c[8] + c[6] + c[7])
1547 * merge_prob(p[4], c[2], c[4] + c[5])
1548 * merge_prob(p[5], c[4], c[5])
1549 * merge_prob(p[6], c[3], c[8] + c[6] + c[7])
1550 * merge_prob(p[7], c[8], c[6] + c[7])
1551 * merge_prob(p[8], c[6], c[7])
1552 *
1553 * Variant E
1554 * ---------
1555 * merge_probs(partition_tree, 0) or
1556 * merge_probs(tx_size_32_tree, 0) or
1557 * merge_probs(mv_joint_tree, 0) or
1558 * merge_probs(mv_fr_tree, 0):
1559 * merge_prob(p[0], c[0], c[1] + c[2] + c[3])
1560 * merge_prob(p[1], c[1], c[2] + c[3])
1561 * merge_prob(p[2], c[2], c[3])
1562 *
1563 * Variant F
1564 * ---------
1565 * merge_probs(interp_filter_tree, 0) or
1566 * merge_probs(tx_size_16_tree, 0):
1567 * merge_prob(p[0], c[0], c[1] + c[2])
1568 * merge_prob(p[1], c[1], c[2])
1569 *
1570 * Variant G
1571 * ---------
1572 * merge_probs(mv_class_tree, 0):
1573 * merge_prob(p[0], c[0], c[1] + ... + c[10])
1574 * merge_prob(p[1], c[1], c[2] + ... + c[10])
1575 * merge_prob(p[2], c[2] + c[3], c[4] + ... + c[10])
1576 * merge_prob(p[3], c[2], c[3])
1577 * merge_prob(p[4], c[4] + c[5], c[6] + ... + c[10])
1578 * merge_prob(p[5], c[4], c[5])
1579 * merge_prob(p[6], c[6], c[7] + ... + c[10])
1580 * merge_prob(p[7], c[7] + c[8], c[9] + c[10])
1581 * merge_prob(p[8], c[7], c[8])
1582 * merge_prob(p[9], c[9], [10])
1583 */
1584
1585static inline void merge_probs_variant_a(u8 *p, const u32 *c, u16 count_sat, u32 update_factor)
1586{
1587 p[1] = merge_prob(p[1], c[0], c[1] + c[2], count_sat, update_factor);
1588 p[2] = merge_prob(p[2], c[1], c[2], count_sat, update_factor);
1589}
1590
1591static inline void merge_probs_variant_b(u8 *p, const u32 *c, u16 count_sat, u32 update_factor)
1592{
1593 p[0] = merge_prob(p[0], c[0], c[1], count_sat, update_factor);
1594}
1595
1596static inline void merge_probs_variant_c(u8 *p, const u32 *c)
1597{
1598 p[0] = noncoef_merge_prob(p[0], c[2], c[1] + c[0] + c[3]);
1599 p[1] = noncoef_merge_prob(p[1], c[0], c[1] + c[3]);
1600 p[2] = noncoef_merge_prob(p[2], c[1], c[3]);
1601}
1602
1603static void merge_probs_variant_d(u8 *p, const u32 *c)
1604{
1605 u32 sum = 0, s2;
1606
1607 sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
1608
1609 p[0] = noncoef_merge_prob(p[0], c[0], sum);
1610 sum -= c[9];
1611 p[1] = noncoef_merge_prob(p[1], c[9], sum);
1612 sum -= c[1];
1613 p[2] = noncoef_merge_prob(p[2], c[1], sum);
1614 s2 = c[2] + c[4] + c[5];
1615 sum -= s2;
1616 p[3] = noncoef_merge_prob(p[3], s2, sum);
1617 s2 -= c[2];
1618 p[4] = noncoef_merge_prob(p[4], c[2], s2);
1619 p[5] = noncoef_merge_prob(p[5], c[4], c[5]);
1620 sum -= c[3];
1621 p[6] = noncoef_merge_prob(p[6], c[3], sum);
1622 sum -= c[8];
1623 p[7] = noncoef_merge_prob(p[7], c[8], sum);
1624 p[8] = noncoef_merge_prob(p[8], c[6], c[7]);
1625}
1626
1627static inline void merge_probs_variant_e(u8 *p, const u32 *c)
1628{
1629 p[0] = noncoef_merge_prob(p[0], c[0], c[1] + c[2] + c[3]);
1630 p[1] = noncoef_merge_prob(p[1], c[1], c[2] + c[3]);
1631 p[2] = noncoef_merge_prob(p[2], c[2], c[3]);
1632}
1633
1634static inline void merge_probs_variant_f(u8 *p, const u32 *c)
1635{
1636 p[0] = noncoef_merge_prob(p[0], c[0], c[1] + c[2]);
1637 p[1] = noncoef_merge_prob(p[1], c[1], c[2]);
1638}
1639
1640static void merge_probs_variant_g(u8 *p, const u32 *c)
1641{
1642 u32 sum;
1643
1644 sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9] + c[10];
1645 p[0] = noncoef_merge_prob(p[0], c[0], sum);
1646 sum -= c[1];
1647 p[1] = noncoef_merge_prob(p[1], c[1], sum);
1648 sum -= c[2] + c[3];
1649 p[2] = noncoef_merge_prob(p[2], c[2] + c[3], sum);
1650 p[3] = noncoef_merge_prob(p[3], c[2], c[3]);
1651 sum -= c[4] + c[5];
1652 p[4] = noncoef_merge_prob(p[4], c[4] + c[5], sum);
1653 p[5] = noncoef_merge_prob(p[5], c[4], c[5]);
1654 sum -= c[6];
1655 p[6] = noncoef_merge_prob(p[6], c[6], sum);
1656 p[7] = noncoef_merge_prob(p[7], c[7] + c[8], c[9] + c[10]);
1657 p[8] = noncoef_merge_prob(p[8], c[7], c[8]);
1658 p[9] = noncoef_merge_prob(p[9], c[9], c[10]);
1659}
1660
1661/* 8.4.3 Coefficient probability adaptation process */
1662static inline void adapt_probs_variant_a_coef(u8 *p, const u32 *c, u32 update_factor)
1663{
1664 merge_probs_variant_a(p, c, 24, update_factor);
1665}
1666
1667static inline void adapt_probs_variant_b_coef(u8 *p, const u32 *c, u32 update_factor)
1668{
1669 merge_probs_variant_b(p, c, 24, update_factor);
1670}
1671
1672static void _adapt_coeff(unsigned int i, unsigned int j, unsigned int k,
1673 struct v4l2_vp9_frame_context *probs,
1674 const struct v4l2_vp9_frame_symbol_counts *counts,
1675 u32 uf)
1676{
1677 s32 l, m;
1678
1679 for (l = 0; l < ARRAY_SIZE(probs->coef[0][0][0]); l++) {
1680 for (m = 0; m < BAND_6(l); m++) {
1681 u8 *p = probs->coef[i][j][k][l][m];
1682 const u32 counts_more_coefs[2] = {
1683 *counts->eob[i][j][k][l][m][1],
1684 *counts->eob[i][j][k][l][m][0] - *counts->eob[i][j][k][l][m][1],
1685 };
1686
1687 adapt_probs_variant_a_coef(p, *counts->coeff[i][j][k][l][m], uf);
1688 adapt_probs_variant_b_coef(p, counts_more_coefs, uf);
1689 }
1690 }
1691}
1692
1693static void _adapt_coef_probs(struct v4l2_vp9_frame_context *probs,
1694 const struct v4l2_vp9_frame_symbol_counts *counts,
1695 unsigned int uf)
1696{
1697 unsigned int i, j, k;
1698
1699 for (i = 0; i < ARRAY_SIZE(probs->coef); i++)
1700 for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++)
1701 for (k = 0; k < ARRAY_SIZE(probs->coef[0][0]); k++)
1702 _adapt_coeff(i, j, k, probs, counts, uf);
1703}
1704
1705void v4l2_vp9_adapt_coef_probs(struct v4l2_vp9_frame_context *probs,
1706 struct v4l2_vp9_frame_symbol_counts *counts,
1707 bool use_128,
1708 bool frame_is_intra)
1709{
1710 if (frame_is_intra) {
1711 _adapt_coef_probs(probs, counts, 112);
1712 } else {
1713 if (use_128)
1714 _adapt_coef_probs(probs, counts, 128);
1715 else
1716 _adapt_coef_probs(probs, counts, 112);
1717 }
1718}
1719EXPORT_SYMBOL_GPL(v4l2_vp9_adapt_coef_probs);
1720
1721/* 8.4.4 Non coefficient probability adaptation process, adapt_probs() */
1722static inline void adapt_probs_variant_b(u8 *p, const u32 *c)
1723{
1724 merge_probs_variant_b(p, c, 20, 128);
1725}
1726
1727static inline void adapt_probs_variant_c(u8 *p, const u32 *c)
1728{
1729 merge_probs_variant_c(p, c);
1730}
1731
1732static inline void adapt_probs_variant_d(u8 *p, const u32 *c)
1733{
1734 merge_probs_variant_d(p, c);
1735}
1736
1737static inline void adapt_probs_variant_e(u8 *p, const u32 *c)
1738{
1739 merge_probs_variant_e(p, c);
1740}
1741
1742static inline void adapt_probs_variant_f(u8 *p, const u32 *c)
1743{
1744 merge_probs_variant_f(p, c);
1745}
1746
1747static inline void adapt_probs_variant_g(u8 *p, const u32 *c)
1748{
1749 merge_probs_variant_g(p, c);
1750}
1751
1752/* 8.4.4 Non coefficient probability adaptation process, adapt_prob() */
1753static inline u8 adapt_prob(u8 prob, const u32 counts[2])
1754{
1755 return noncoef_merge_prob(prob, counts[0], counts[1]);
1756}
1757
1758/* 8.4.4 Non coefficient probability adaptation process */
1759void v4l2_vp9_adapt_noncoef_probs(struct v4l2_vp9_frame_context *probs,
1760 struct v4l2_vp9_frame_symbol_counts *counts,
1761 u8 reference_mode, u8 interpolation_filter, u8 tx_mode,
1762 u32 flags)
1763{
1764 unsigned int i, j;
1765
1766 for (i = 0; i < ARRAY_SIZE(probs->is_inter); i++)
1767 probs->is_inter[i] = adapt_prob(probs->is_inter[i], (*counts->intra_inter)[i]);
1768
1769 for (i = 0; i < ARRAY_SIZE(probs->comp_mode); i++)
1770 probs->comp_mode[i] = adapt_prob(probs->comp_mode[i], (*counts->comp)[i]);
1771
1772 for (i = 0; i < ARRAY_SIZE(probs->comp_ref); i++)
1773 probs->comp_ref[i] = adapt_prob(probs->comp_ref[i], (*counts->comp_ref)[i]);
1774
1775 if (reference_mode != V4L2_VP9_REFERENCE_MODE_COMPOUND_REFERENCE)
1776 for (i = 0; i < ARRAY_SIZE(probs->single_ref); i++)
1777 for (j = 0; j < ARRAY_SIZE(probs->single_ref[0]); j++)
1778 probs->single_ref[i][j] = adapt_prob(probs->single_ref[i][j],
1779 (*counts->single_ref)[i][j]);
1780
1781 for (i = 0; i < ARRAY_SIZE(probs->inter_mode); i++)
1782 adapt_probs_variant_c(probs->inter_mode[i], (*counts->mv_mode)[i]);
1783
1784 for (i = 0; i < ARRAY_SIZE(probs->y_mode); i++)
1785 adapt_probs_variant_d(probs->y_mode[i], (*counts->y_mode)[i]);
1786
1787 for (i = 0; i < ARRAY_SIZE(probs->uv_mode); i++)
1788 adapt_probs_variant_d(probs->uv_mode[i], (*counts->uv_mode)[i]);
1789
1790 for (i = 0; i < ARRAY_SIZE(probs->partition); i++)
1791 adapt_probs_variant_e(probs->partition[i], (*counts->partition)[i]);
1792
1793 for (i = 0; i < ARRAY_SIZE(probs->skip); i++)
1794 probs->skip[i] = adapt_prob(probs->skip[i], (*counts->skip)[i]);
1795
1796 if (interpolation_filter == V4L2_VP9_INTERP_FILTER_SWITCHABLE)
1797 for (i = 0; i < ARRAY_SIZE(probs->interp_filter); i++)
1798 adapt_probs_variant_f(probs->interp_filter[i], (*counts->filter)[i]);
1799
1800 if (tx_mode == V4L2_VP9_TX_MODE_SELECT)
1801 for (i = 0; i < ARRAY_SIZE(probs->tx8); i++) {
1802 adapt_probs_variant_b(probs->tx8[i], (*counts->tx8p)[i]);
1803 adapt_probs_variant_f(probs->tx16[i], (*counts->tx16p)[i]);
1804 adapt_probs_variant_e(probs->tx32[i], (*counts->tx32p)[i]);
1805 }
1806
1807 adapt_probs_variant_e(probs->mv.joint, *counts->mv_joint);
1808
1809 for (i = 0; i < ARRAY_SIZE(probs->mv.sign); i++) {
1810 probs->mv.sign[i] = adapt_prob(probs->mv.sign[i], (*counts->sign)[i]);
1811
1812 adapt_probs_variant_g(probs->mv.classes[i], (*counts->classes)[i]);
1813
1814 probs->mv.class0_bit[i] = adapt_prob(probs->mv.class0_bit[i], (*counts->class0)[i]);
1815
1816 for (j = 0; j < ARRAY_SIZE(probs->mv.bits[0]); j++)
1817 probs->mv.bits[i][j] = adapt_prob(probs->mv.bits[i][j],
1818 (*counts->bits)[i][j]);
1819
1820 for (j = 0; j < ARRAY_SIZE(probs->mv.class0_fr[0]); j++)
1821 adapt_probs_variant_e(probs->mv.class0_fr[i][j],
1822 (*counts->class0_fp)[i][j]);
1823
1824 adapt_probs_variant_e(probs->mv.fr[i], (*counts->fp)[i]);
1825
1826 if (!(flags & V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV))
1827 continue;
1828
1829 probs->mv.class0_hp[i] = adapt_prob(probs->mv.class0_hp[i],
1830 (*counts->class0_hp)[i]);
1831
1832 probs->mv.hp[i] = adapt_prob(probs->mv.hp[i], (*counts->hp)[i]);
1833 }
1834}
1835EXPORT_SYMBOL_GPL(v4l2_vp9_adapt_noncoef_probs);
1836
1837bool
1838v4l2_vp9_seg_feat_enabled(const u8 *feature_enabled,
1839 unsigned int feature,
1840 unsigned int segid)
1841{
1842 u8 mask = V4L2_VP9_SEGMENT_FEATURE_ENABLED(feature);
1843
1844 return !!(feature_enabled[segid] & mask);
1845}
1846EXPORT_SYMBOL_GPL(v4l2_vp9_seg_feat_enabled);
1847
1848MODULE_LICENSE("GPL");
1849MODULE_DESCRIPTION("V4L2 VP9 Helpers");
1850MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@collabora.com>");