2 * VP8 compatible video decoder
4 * Copyright (C) 2010 David Conrad
5 * Copyright (C) 2010 Ronald S. Bultje
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 // TODO: move these #define ane enum to a better header...
26 #define VP8_MAX_QUANT 127
47 // used to signal 4x4 intra pred in luma MBs
51 VP8_MVMODE_NEAREST = MODE_I4x4 + 1,
58 enum inter_submvmode {
59 VP8_SUBMVMODE_LEFT4X4,
61 VP8_SUBMVMODE_ZERO4X4,
65 static const uint8_t vp8_pred4x4_mode[] =
67 [DC_PRED8x8] = DC_PRED,
68 [VERT_PRED8x8] = VERT_PRED,
69 [HOR_PRED8x8] = HOR_PRED,
70 [PLANE_PRED8x8] = TM_VP8_PRED,
73 static const int8_t vp8_pred16x16_tree_intra[4][2] =
75 { -MODE_I4x4, 1 }, // '0'
77 { -DC_PRED8x8, -VERT_PRED8x8 }, // '100', '101'
78 { -HOR_PRED8x8, -PLANE_PRED8x8 }, // '110', '111'
81 static const int8_t vp8_pred16x16_tree_inter[4][2] =
83 { -DC_PRED8x8, 1 }, // '0'
85 { -VERT_PRED8x8, -HOR_PRED8x8 }, // '100', '101'
86 { -PLANE_PRED8x8, -MODE_I4x4 }, // '110', '111'
89 static const int vp8_mode_contexts[6][4] = {
94 { 159, 134, 128, 34 },
95 { 234, 188, 128, 28 },
98 static const int8_t vp8_pred16x16_tree_mvinter[4][2] = {
99 { -VP8_MVMODE_ZERO, 1 }, // '0'
100 { -VP8_MVMODE_NEAREST, 2 }, // '10'
101 { -VP8_MVMODE_NEAR, 3 }, // '110'
102 { -VP8_MVMODE_NEW, -VP8_MVMODE_SPLIT } // '1110', '1111'
105 static const int8_t vp8_small_mvtree[7][2] = {
108 { -0, -1 }, // '000', '001'
109 { -2, -3 }, // '010', '011'
111 { -4, -5 }, // '100', '101'
112 { -6, -7 } // '110', '111'
115 static const uint8_t vp8_mbsplits[4][16] = {
116 { 0, 0, 0, 0, 0, 0, 0, 0,
117 1, 1, 1, 1, 1, 1, 1, 1 },
118 { 0, 0, 1, 1, 0, 0, 1, 1,
119 0, 0, 1, 1, 0, 0, 1, 1 },
120 { 0, 0, 1, 1, 0, 0, 1, 1,
121 2, 2, 3, 3, 2, 2, 3, 3 },
122 { 0, 1, 2, 3, 4, 5, 6, 7,
123 8, 9, 10, 11, 12, 13, 14, 15 }
126 static const uint8_t vp8_mbfirstidx[4][16] = {
127 { 0, 8 }, { 0, 2 }, { 0, 2, 8, 10 },
128 { 0, 1, 2, 3, 4, 5, 6, 7,
129 8, 9, 10, 11, 12, 13, 14, 15 }
132 static const int8_t vp8_mbsplit_tree[3][2] = {
133 { -3, 1 }, // '0' - 16 individual MVs
134 { -2, 2 }, // '10' - quarter-based MVs
135 { -0, -1 } // '110' - top/bottom MVs,
136 // '111' - left/right MVs
138 static const uint8_t vp8_mbsplit_count[4] = { 2, 2, 4, 16 };
139 static const uint8_t vp8_mbsplit_prob[3] = { 110, 111, 150 };
141 static const uint8_t vp8_submv_prob[5][3] = {
149 static const int8_t vp8_submv_ref_tree[3][2] = {
150 { -VP8_SUBMVMODE_LEFT4X4, 1 }, // '0'
151 { -VP8_SUBMVMODE_TOP4X4, 2 }, // '10'
152 { -VP8_SUBMVMODE_ZERO4X4, -VP8_SUBMVMODE_NEW4X4 } // '110', '111'
155 static const uint8_t vp8_pred16x16_prob_intra[4] = { 145, 156, 163, 128 };
156 static const uint8_t vp8_pred16x16_prob_inter[4] = { 112, 86, 140, 37 };
158 static const int8_t vp8_pred4x4_tree[9][2] =
160 { -DC_PRED, 1 }, // '0'
161 { -TM_VP8_PRED, 2 }, // '10'
162 { -VERT_PRED, 3 }, // '110'
164 { -HOR_PRED, 5 }, // '11100'
165 { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED }, // '111010', '111011'
166 { -DIAG_DOWN_LEFT_PRED, 7 }, // '11110'
167 { -VERT_LEFT_PRED, 8 }, // '111110'
168 { -HOR_DOWN_PRED, -HOR_UP_PRED }, // '1111110', '1111111'
171 static const int8_t vp8_pred8x8c_tree[3][2] =
173 { -DC_PRED8x8, 1 }, // '0'
174 { -VERT_PRED8x8, 2 }, // '10
175 { -HOR_PRED8x8, -PLANE_PRED8x8 }, // '110', '111'
178 static const uint8_t vp8_pred8x8c_prob_intra[3] = { 142, 114, 183 };
179 static const uint8_t vp8_pred8x8c_prob_inter[3] = { 162, 101, 204 };
181 static const uint8_t vp8_pred4x4_prob_inter[9] =
183 120, 90, 79, 133, 87, 85, 80, 111, 151
186 static const uint8_t vp8_pred4x4_prob_intra[10][10][9] =
189 { 39, 53, 200, 87, 26, 21, 43, 232, 171 },
190 { 56, 34, 51, 104, 114, 102, 29, 93, 77 },
191 { 88, 88, 147, 150, 42, 46, 45, 196, 205 },
192 { 107, 54, 32, 26, 51, 1, 81, 43, 31 },
193 { 39, 28, 85, 171, 58, 165, 90, 98, 64 },
194 { 34, 22, 116, 206, 23, 34, 43, 166, 73 },
195 { 34, 19, 21, 102, 132, 188, 16, 76, 124 },
196 { 68, 25, 106, 22, 64, 171, 36, 225, 114 },
197 { 62, 18, 78, 95, 85, 57, 50, 48, 51 },
198 { 43, 97, 183, 117, 85, 38, 35, 179, 61 },
201 { 112, 113, 77, 85, 179, 255, 38, 120, 114 },
202 { 40, 42, 1, 196, 245, 209, 10, 25, 109 },
203 { 193, 101, 35, 159, 215, 111, 89, 46, 111 },
204 { 100, 80, 8, 43, 154, 1, 51, 26, 71 },
205 { 88, 43, 29, 140, 166, 213, 37, 43, 154 },
206 { 61, 63, 30, 155, 67, 45, 68, 1, 209 },
207 { 41, 40, 5, 102, 211, 183, 4, 1, 221 },
208 { 142, 78, 78, 16, 255, 128, 34, 197, 171 },
209 { 51, 50, 17, 168, 209, 192, 23, 25, 82 },
210 { 60, 148, 31, 172, 219, 228, 21, 18, 111 },
213 { 175, 69, 143, 80, 85, 82, 72, 155, 103 },
214 { 56, 58, 10, 171, 218, 189, 17, 13, 152 },
215 { 231, 120, 48, 89, 115, 113, 120, 152, 112 },
216 { 144, 71, 10, 38, 171, 213, 144, 34, 26 },
217 { 114, 26, 17, 163, 44, 195, 21, 10, 173 },
218 { 121, 24, 80, 195, 26, 62, 44, 64, 85 },
219 { 63, 20, 8, 114, 114, 208, 12, 9, 226 },
220 { 170, 46, 55, 19, 136, 160, 33, 206, 71 },
221 { 81, 40, 11, 96, 182, 84, 29, 16, 36 },
222 { 152, 179, 64, 126, 170, 118, 46, 70, 95 },
225 { 75, 79, 123, 47, 51, 128, 81, 171, 1 },
226 { 57, 17, 5, 71, 102, 57, 53, 41, 49 },
227 { 125, 98, 42, 88, 104, 85, 117, 175, 82 },
228 { 115, 21, 2, 10, 102, 255, 166, 23, 6 },
229 { 38, 33, 13, 121, 57, 73, 26, 1, 85 },
230 { 41, 10, 67, 138, 77, 110, 90, 47, 114 },
231 { 57, 18, 10, 102, 102, 213, 34, 20, 43 },
232 { 101, 29, 16, 10, 85, 128, 101, 196, 26 },
233 { 117, 20, 15, 36, 163, 128, 68, 1, 26 },
234 { 95, 84, 53, 89, 128, 100, 113, 101, 45 },
237 { 63, 59, 90, 180, 59, 166, 93, 73, 154 },
238 { 40, 40, 21, 116, 143, 209, 34, 39, 175 },
239 { 138, 31, 36, 171, 27, 166, 38, 44, 229 },
240 { 57, 46, 22, 24, 128, 1, 54, 17, 37 },
241 { 47, 15, 16, 183, 34, 223, 49, 45, 183 },
242 { 46, 17, 33, 183, 6, 98, 15, 32, 183 },
243 { 40, 3, 9, 115, 51, 192, 18, 6, 223 },
244 { 65, 32, 73, 115, 28, 128, 23, 128, 205 },
245 { 87, 37, 9, 115, 59, 77, 64, 21, 47 },
246 { 67, 87, 58, 169, 82, 115, 26, 59, 179 },
249 { 54, 57, 112, 184, 5, 41, 38, 166, 213 },
250 { 30, 34, 26, 133, 152, 116, 10, 32, 134 },
251 { 104, 55, 44, 218, 9, 54, 53, 130, 226 },
252 { 75, 32, 12, 51, 192, 255, 160, 43, 51 },
253 { 39, 19, 53, 221, 26, 114, 32, 73, 255 },
254 { 31, 9, 65, 234, 2, 15, 1, 118, 73 },
255 { 56, 21, 23, 111, 59, 205, 45, 37, 192 },
256 { 88, 31, 35, 67, 102, 85, 55, 186, 85 },
257 { 55, 38, 70, 124, 73, 102, 1, 34, 98 },
258 { 64, 90, 70, 205, 40, 41, 23, 26, 57 },
261 { 86, 40, 64, 135, 148, 224, 45, 183, 128 },
262 { 22, 26, 17, 131, 240, 154, 14, 1, 209 },
263 { 164, 50, 31, 137, 154, 133, 25, 35, 218 },
264 { 83, 12, 13, 54, 192, 255, 68, 47, 28 },
265 { 45, 16, 21, 91, 64, 222, 7, 1, 197 },
266 { 56, 21, 39, 155, 60, 138, 23, 102, 213 },
267 { 18, 11, 7, 63, 144, 171, 4, 4, 246 },
268 { 85, 26, 85, 85, 128, 128, 32, 146, 171 },
269 { 35, 27, 10, 146, 174, 171, 12, 26, 128 },
270 { 51, 103, 44, 131, 131, 123, 31, 6, 158 },
273 { 68, 45, 128, 34, 1, 47, 11, 245, 171 },
274 { 62, 17, 19, 70, 146, 85, 55, 62, 70 },
275 { 102, 61, 71, 37, 34, 53, 31, 243, 192 },
276 { 75, 15, 9, 9, 64, 255, 184, 119, 16 },
277 { 37, 43, 37, 154, 100, 163, 85, 160, 1 },
278 { 63, 9, 92, 136, 28, 64, 32, 201, 85 },
279 { 56, 8, 17, 132, 137, 255, 55, 116, 128 },
280 { 86, 6, 28, 5, 64, 255, 25, 248, 1 },
281 { 58, 15, 20, 82, 135, 57, 26, 121, 40 },
282 { 69, 60, 71, 38, 73, 119, 28, 222, 37 },
285 { 101, 75, 128, 139, 118, 146, 116, 128, 85 },
286 { 56, 41, 15, 176, 236, 85, 37, 9, 62 },
287 { 190, 80, 35, 99, 180, 80, 126, 54, 45 },
288 { 146, 36, 19, 30, 171, 255, 97, 27, 20 },
289 { 71, 30, 17, 119, 118, 255, 17, 18, 138 },
290 { 101, 38, 60, 138, 55, 70, 43, 26, 142 },
291 { 32, 41, 20, 117, 151, 142, 20, 21, 163 },
292 { 138, 45, 61, 62, 219, 1, 81, 188, 64 },
293 { 112, 19, 12, 61, 195, 128, 48, 4, 24 },
294 { 85, 126, 47, 87, 176, 51, 41, 20, 32 },
297 { 66, 102, 167, 99, 74, 62, 40, 234, 128 },
298 { 41, 53, 9, 178, 241, 141, 26, 8, 107 },
299 { 134, 183, 89, 137, 98, 101, 106, 165, 148 },
300 { 104, 79, 12, 27, 217, 255, 87, 17, 7 },
301 { 74, 43, 26, 146, 73, 166, 49, 23, 157 },
302 { 65, 38, 105, 160, 51, 52, 31, 115, 128 },
303 { 47, 41, 14, 110, 182, 183, 21, 17, 194 },
304 { 87, 68, 71, 44, 114, 51, 15, 186, 23 },
305 { 66, 45, 25, 102, 197, 189, 23, 18, 22 },
306 { 72, 187, 100, 130, 157, 111, 32, 75, 80 },
310 static const int8_t vp8_segmentid_tree[][2] =
313 { -0, -1 }, // '00', '01'
314 { -2, -3 }, // '10', '11'
317 static const uint8_t vp8_coeff_band[16] =
319 0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7
322 static const int8_t vp8_coeff_tree[NUM_DCT_TOKENS-1][2] =
324 { -DCT_EOB, 1 }, // '0'
325 { -DCT_0, 2 }, // '10'
326 { -DCT_1, 3 }, // '110'
328 { -DCT_2, 5 }, // '11100'
329 { -DCT_3, -DCT_4 }, // '111010', '111011'
331 { -DCT_CAT1, -DCT_CAT2 }, // '111100', '111101'
333 { -DCT_CAT3, -DCT_CAT4 }, // '1111100', '1111101'
334 { -DCT_CAT5, -DCT_CAT6 }, // '1111110', '1111111'
337 static const uint8_t vp8_dct_cat1_prob[] = { 159, 0 };
338 static const uint8_t vp8_dct_cat2_prob[] = { 165, 145, 0 };
339 static const uint8_t vp8_dct_cat3_prob[] = { 173, 148, 140, 0 };
340 static const uint8_t vp8_dct_cat4_prob[] = { 176, 155, 140, 135, 0 };
341 static const uint8_t vp8_dct_cat5_prob[] = { 180, 157, 141, 134, 130, 0 };
342 static const uint8_t vp8_dct_cat6_prob[] = { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 };
344 static const uint8_t * const vp8_dct_cat_prob[6] =
354 static const uint8_t vp8_dct_cat_offset[6] = { 5, 7, 11, 19, 35, 67 };
356 static const uint8_t vp8_token_default_probs[4][8][3][NUM_DCT_TOKENS-1] =
360 { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
361 { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
362 { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
365 { 253, 136, 254, 255, 228, 219, 128, 128, 128, 128, 128 },
366 { 189, 129, 242, 255, 227, 213, 255, 219, 128, 128, 128 },
367 { 106, 126, 227, 252, 214, 209, 255, 255, 128, 128, 128 },
370 { 1, 98, 248, 255, 236, 226, 255, 255, 128, 128, 128 },
371 { 181, 133, 238, 254, 221, 234, 255, 154, 128, 128, 128 },
372 { 78, 134, 202, 247, 198, 180, 255, 219, 128, 128, 128 },
375 { 1, 185, 249, 255, 243, 255, 128, 128, 128, 128, 128 },
376 { 184, 150, 247, 255, 236, 224, 128, 128, 128, 128, 128 },
377 { 77, 110, 216, 255, 236, 230, 128, 128, 128, 128, 128 },
380 { 1, 101, 251, 255, 241, 255, 128, 128, 128, 128, 128 },
381 { 170, 139, 241, 252, 236, 209, 255, 255, 128, 128, 128 },
382 { 37, 116, 196, 243, 228, 255, 255, 255, 128, 128, 128 },
385 { 1, 204, 254, 255, 245, 255, 128, 128, 128, 128, 128 },
386 { 207, 160, 250, 255, 238, 128, 128, 128, 128, 128, 128 },
387 { 102, 103, 231, 255, 211, 171, 128, 128, 128, 128, 128 },
390 { 1, 152, 252, 255, 240, 255, 128, 128, 128, 128, 128 },
391 { 177, 135, 243, 255, 234, 225, 128, 128, 128, 128, 128 },
392 { 80, 129, 211, 255, 194, 224, 128, 128, 128, 128, 128 },
395 { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
396 { 246, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
397 { 255, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
402 { 198, 35, 237, 223, 193, 187, 162, 160, 145, 155, 62 },
403 { 131, 45, 198, 221, 172, 176, 220, 157, 252, 221, 1 },
404 { 68, 47, 146, 208, 149, 167, 221, 162, 255, 223, 128 },
407 { 1, 149, 241, 255, 221, 224, 255, 255, 128, 128, 128 },
408 { 184, 141, 234, 253, 222, 220, 255, 199, 128, 128, 128 },
409 { 81, 99, 181, 242, 176, 190, 249, 202, 255, 255, 128 },
412 { 1, 129, 232, 253, 214, 197, 242, 196, 255, 255, 128 },
413 { 99, 121, 210, 250, 201, 198, 255, 202, 128, 128, 128 },
414 { 23, 91, 163, 242, 170, 187, 247, 210, 255, 255, 128 },
417 { 1, 200, 246, 255, 234, 255, 128, 128, 128, 128, 128 },
418 { 109, 178, 241, 255, 231, 245, 255, 255, 128, 128, 128 },
419 { 44, 130, 201, 253, 205, 192, 255, 255, 128, 128, 128 },
422 { 1, 132, 239, 251, 219, 209, 255, 165, 128, 128, 128 },
423 { 94, 136, 225, 251, 218, 190, 255, 255, 128, 128, 128 },
424 { 22, 100, 174, 245, 186, 161, 255, 199, 128, 128, 128 },
427 { 1, 182, 249, 255, 232, 235, 128, 128, 128, 128, 128 },
428 { 124, 143, 241, 255, 227, 234, 128, 128, 128, 128, 128 },
429 { 35, 77, 181, 251, 193, 211, 255, 205, 128, 128, 128 },
432 { 1, 157, 247, 255, 236, 231, 255, 255, 128, 128, 128 },
433 { 121, 141, 235, 255, 225, 227, 255, 255, 128, 128, 128 },
434 { 45, 99, 188, 251, 195, 217, 255, 224, 128, 128, 128 },
437 { 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 },
438 { 203, 1, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
439 { 137, 1, 177, 255, 224, 255, 128, 128, 128, 128, 128 },
444 { 253, 9, 248, 251, 207, 208, 255, 192, 128, 128, 128 },
445 { 175, 13, 224, 243, 193, 185, 249, 198, 255, 255, 128 },
446 { 73, 17, 171, 221, 161, 179, 236, 167, 255, 234, 128 },
449 { 1, 95, 247, 253, 212, 183, 255, 255, 128, 128, 128 },
450 { 239, 90, 244, 250, 211, 209, 255, 255, 128, 128, 128 },
451 { 155, 77, 195, 248, 188, 195, 255, 255, 128, 128, 128 },
454 { 1, 24, 239, 251, 218, 219, 255, 205, 128, 128, 128 },
455 { 201, 51, 219, 255, 196, 186, 128, 128, 128, 128, 128 },
456 { 69, 46, 190, 239, 201, 218, 255, 228, 128, 128, 128 },
459 { 1, 191, 251, 255, 255, 128, 128, 128, 128, 128, 128 },
460 { 223, 165, 249, 255, 213, 255, 128, 128, 128, 128, 128 },
461 { 141, 124, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
464 { 1, 16, 248, 255, 255, 128, 128, 128, 128, 128, 128 },
465 { 190, 36, 230, 255, 236, 255, 128, 128, 128, 128, 128 },
466 { 149, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
469 { 1, 226, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
470 { 247, 192, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
471 { 240, 128, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
474 { 1, 134, 252, 255, 255, 128, 128, 128, 128, 128, 128 },
475 { 213, 62, 250, 255, 255, 128, 128, 128, 128, 128, 128 },
476 { 55, 93, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
479 { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
480 { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
481 { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 },
486 { 202, 24, 213, 235, 186, 191, 220, 160, 240, 175, 255 },
487 { 126, 38, 182, 232, 169, 184, 228, 174, 255, 187, 128 },
488 { 61, 46, 138, 219, 151, 178, 240, 170, 255, 216, 128 },
491 { 1, 112, 230, 250, 199, 191, 247, 159, 255, 255, 128 },
492 { 166, 109, 228, 252, 211, 215, 255, 174, 128, 128, 128 },
493 { 39, 77, 162, 232, 172, 180, 245, 178, 255, 255, 128 },
496 { 1, 52, 220, 246, 198, 199, 249, 220, 255, 255, 128 },
497 { 124, 74, 191, 243, 183, 193, 250, 221, 255, 255, 128 },
498 { 24, 71, 130, 219, 154, 170, 243, 182, 255, 255, 128 },
501 { 1, 182, 225, 249, 219, 240, 255, 224, 128, 128, 128 },
502 { 149, 150, 226, 252, 216, 205, 255, 171, 128, 128, 128 },
503 { 28, 108, 170, 242, 183, 194, 254, 223, 255, 255, 128 },
506 { 1, 81, 230, 252, 204, 203, 255, 192, 128, 128, 128 },
507 { 123, 102, 209, 247, 188, 196, 255, 233, 128, 128, 128 },
508 { 20, 95, 153, 243, 164, 173, 255, 203, 128, 128, 128 },
511 { 1, 222, 248, 255, 216, 213, 128, 128, 128, 128, 128 },
512 { 168, 175, 246, 252, 235, 205, 255, 255, 128, 128, 128 },
513 { 47, 116, 215, 255, 211, 212, 255, 255, 128, 128, 128 },
516 { 1, 121, 236, 253, 212, 214, 255, 255, 128, 128, 128 },
517 { 141, 84, 213, 252, 201, 202, 255, 219, 128, 128, 128 },
518 { 42, 80, 160, 240, 162, 185, 255, 205, 128, 128, 128 },
521 { 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
522 { 244, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
523 { 238, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
528 static const uint8_t vp8_token_update_probs[4][8][3][NUM_DCT_TOKENS-1] =
532 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
533 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
534 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
537 { 176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
538 { 223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
539 { 249, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
542 { 255, 244, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
543 { 234, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
544 { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
547 { 255, 246, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
548 { 239, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
549 { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
552 { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
553 { 251, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
554 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
557 { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
558 { 251, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
559 { 254, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
562 { 255, 254, 253, 255, 254, 255, 255, 255, 255, 255, 255 },
563 { 250, 255, 254, 255, 254, 255, 255, 255, 255, 255, 255 },
564 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
567 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
568 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
569 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
574 { 217, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
575 { 225, 252, 241, 253, 255, 255, 254, 255, 255, 255, 255 },
576 { 234, 250, 241, 250, 253, 255, 253, 254, 255, 255, 255 },
579 { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
580 { 223, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
581 { 238, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255 },
584 { 255, 248, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
585 { 249, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
586 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
589 { 255, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
590 { 247, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
591 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
594 { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
595 { 252, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
596 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
599 { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
600 { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
601 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
604 { 255, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
605 { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
606 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
609 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
610 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
611 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
616 { 186, 251, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
617 { 234, 251, 244, 254, 255, 255, 255, 255, 255, 255, 255 },
618 { 251, 251, 243, 253, 254, 255, 254, 255, 255, 255, 255 },
621 { 255, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
622 { 236, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
623 { 251, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255 },
626 { 255, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
627 { 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
628 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
631 { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
632 { 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
633 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
636 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
637 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
638 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
641 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
642 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
643 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
646 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
647 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
648 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
651 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
652 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
653 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
658 { 248, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
659 { 250, 254, 252, 254, 255, 255, 255, 255, 255, 255, 255 },
660 { 248, 254, 249, 253, 255, 255, 255, 255, 255, 255, 255 },
663 { 255, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
664 { 246, 253, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
665 { 252, 254, 251, 254, 254, 255, 255, 255, 255, 255, 255 },
668 { 255, 254, 252, 255, 255, 255, 255, 255, 255, 255, 255 },
669 { 248, 254, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
670 { 253, 255, 254, 254, 255, 255, 255, 255, 255, 255, 255 },
673 { 255, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
674 { 245, 251, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
675 { 253, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
678 { 255, 251, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
679 { 252, 253, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
680 { 255, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
683 { 255, 252, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
684 { 249, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
685 { 255, 255, 254, 255, 255, 255, 255, 255, 255, 255, 255 },
688 { 255, 255, 253, 255, 255, 255, 255, 255, 255, 255, 255 },
689 { 250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
690 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
693 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
694 { 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
695 { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
700 // fixme: copied from h264data.h
701 static const uint8_t zigzag_scan[16]={
702 0+0*4, 1+0*4, 0+1*4, 0+2*4,
703 1+1*4, 2+0*4, 3+0*4, 2+1*4,
704 1+2*4, 0+3*4, 1+3*4, 2+2*4,
705 3+1*4, 3+2*4, 2+3*4, 3+3*4,
708 static const uint8_t vp8_dc_qlookup[VP8_MAX_QUANT+1] =
710 4, 5, 6, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 17,
711 18, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 25, 25, 26, 27, 28,
712 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 38, 39, 40, 41, 42, 43,
713 44, 45, 46, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,
714 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
715 75, 76, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
716 91, 93, 95, 96, 98, 100, 101, 102, 104, 106, 108, 110, 112, 114, 116, 118,
717 122, 124, 126, 128, 130, 132, 134, 136, 138, 140, 143, 145, 148, 151, 154, 157,
720 static const uint16_t vp8_ac_qlookup[VP8_MAX_QUANT+1] =
722 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
723 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
724 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
725 52, 53, 54, 55, 56, 57, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76,
726 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108,
727 110, 112, 114, 116, 119, 122, 125, 128, 131, 134, 137, 140, 143, 146, 149, 152,
728 155, 158, 161, 164, 167, 170, 173, 177, 181, 185, 189, 193, 197, 201, 205, 209,
729 213, 217, 221, 225, 229, 234, 239, 245, 249, 254, 259, 264, 269, 274, 279, 284,
732 static const uint8_t vp8_mv_update_prob[2][19] = {
735 253, 253, 254, 254, 254, 254, 254,
736 254, 254, 254, 254, 254, 250, 250, 252, 254, 254 },
739 245, 253, 254, 254, 254, 254, 254,
740 254, 254, 254, 254, 254, 251, 251, 254, 254, 254 }
743 static const uint8_t vp8_mv_default_prob[2][19] = {
746 225, 146, 172, 147, 214, 39, 156,
747 128, 129, 132, 75, 145, 178, 206, 239, 254, 254 },
750 204, 170, 119, 235, 140, 230, 228,
751 128, 130, 130, 74, 148, 180, 203, 236, 254, 254 }